Merge pull request #158 from withmorten/master

fix SDL3 fullscreen modes

.github/workflows/build-cmake-conan.yml

@@ -1,60 +0,0 @@
-name: Conan
-on:
-  pull_request:
-  push:
-  release:
-    types: published
-jobs:
-  build-cmake:
-    strategy:
-      matrix:
-        os: [windows-latest, ubuntu-latest, macos-latest]
-        platform: ['null', 'gl3', 'd3d9']
-        gl3_gfxlib: ['glfw', 'sdl2']
-        exclude:
-          - os: ubuntu-latest
-            platform: d3d9
-          - os: macos-latest
-            platform: d3d9
-          - platform: 'null'
-            gl3_gfxlib: sdl2
-          - platform: d3d9
-            gl3_gfxlib: sdl2
-    runs-on: ${{ matrix.os }}
-    steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2
-        with:
-          python-version: '3.x'
-      - name: "Setup conan"
-        run: |
-          python -m pip install conan
-          conan config init
-          conan config set log.print_run_commands=True
-          conan config set general.revisions_enabled=1
-          conan remote add bincrafters https://bincrafters.jfrog.io/artifactory/api/conan/public-conan
-      - name: "Create host profile"
-        shell: bash
-        run: |
-          cp ~/.conan/profiles/default host_profile
-      - name: "Download/build dependencies (conan install)"
-        run: |
-          conan install ${{ github.workspace }} librw/master@ -if build -o librw:platform=${{ matrix.platform }} -o librw:gl3_gfxlib=${{ matrix.gl3_gfxlib }} --build missing -pr:h ./host_profile -pr:b default
-        env:
-          CONAN_SYSREQUIRES_MODE: enabled
-      - name: "Build librw (conan build)"
-        run: |
-          conan build ${{ github.workspace }} -if build -bf build -pf package
-      - name: "Package librw (conan package)"
-        run: |
-          conan package ${{ github.workspace }} -if build -bf build -pf package
-      - name: "Create binary package (cpack)"
-        working-directory: ./build
-        run: |
-          cpack
-      - name: "Archive binary package (github artifacts)"
-        uses: actions/upload-artifact@v2
-        with:
-          name: "${{ matrix.os }}-${{ matrix.platform }}"
-          path: build/*.tar.xz
-          if-no-files-found: error

.github/workflows/build-ps2.yml

@@ -1,29 +0,0 @@
-name: Playstation 2 (by ps2dev)
-on:
-  pull_request:
-  push:
-  release:
-    types: published
-jobs:
-  build-playstation-2:
-    runs-on: ubuntu-latest
-    container: ps2dev/ps2dev
-    steps:
-      - uses: actions/checkout@v2
-      - name: "Install dependencies"
-        run: |
-          apk add build-base cmake
-      - name: "Build files"
-        run: |
-          cmake -S. -Bbuild -DLIBRW_INSTALL=ON -DLIBRW_PLATFORM=PS2 -DCMAKE_TOOLCHAIN_FILE=cmake/ps2/cmaketoolchain/toolchain_ps2_ee.cmake
-          cmake --build build --parallel
-      - name: "Create binary package (cpack)"
-        working-directory: ./build
-        run: |
-          cpack
-      - name: "Archive binary package (github artifacts)"
-        uses: actions/upload-artifact@v2
-        with:
-          name: "ps2"
-          path: build/*.tar.xz
-          if-no-files-found: error

.github/workflows/build-switch.yml

@@ -1,26 +0,0 @@
-name: Nintendo Switch (by devkitPro)
-on:
-  pull_request:
-  push:
-  release:
-    types: published
-jobs:
-  build-nintendo-switch:
-    runs-on: ubuntu-latest
-    container: devkitpro/devkita64:latest
-    steps:
-      - uses: actions/checkout@v2
-      - name: "Build files"
-        run: |
-          /opt/devkitpro/portlibs/switch/bin/aarch64-none-elf-cmake -S. -Bbuild -DLIBRW_PLATFORM=GL3 -DLIBRW_GL3_GFXLIB=GLFW -DLIBRW_INSTALL=True
-          cmake --build build --parallel
-      - name: "Create binary package (cpack)"
-        working-directory: ./build
-        run: |
-          cpack
-      - name: "Archive binary package (github artifacts)"
-        uses: actions/upload-artifact@v2
-        with:
-          name: "switch-gl3"
-          path: build/*.tar.xz
-          if-no-files-found: error

.github/workflows/build.yml

@@ -0,0 +1,79 @@
+name: Build
+on:
+  pull_request:
+  push:
+  release:
+    types: published
+jobs:
+  build-cmake:
+    name: ${{ matrix.case.name }}
+    runs-on: ${{ matrix.case.os }}
+    container: ${{ matrix.case.container }}
+
+    strategy:
+      fail-fast: false
+      matrix:
+        case:
+        - { name: 'Windows (DirectX 9)',  os: 'windows-latest', platform: 'D3D9' }
+        - { name: 'Windows (GL3, glfw)',  os: 'windows-latest', platform: 'GL3',  gl3_gfxlib: 'GLFW' }
+        - { name: 'Windows (GL3, SDL2)',  os: 'windows-latest', platform: 'GL3',  gl3_gfxlib: 'SDL2', sdl-version: '2-latest' }
+        - { name: 'Windows (GL3, SDL3)',  os: 'windows-latest', platform: 'GL3',  gl3_gfxlib: 'SDL3', sdl-version: '3-latest' }
+        - { name: 'Windows (null)',       os: 'windows-latest', platform: 'NULL' }
+        - { name: 'macOS (GL3, glfw)',    os: 'macos-latest',   platform: 'GL3',  gl3_gfxlib: 'GLFW' }
+        - { name: 'macOS (GL3, SDL2)',    os: 'macos-latest',   platform: 'GL3',  gl3_gfxlib: 'SDL2', sdl-version: '2-latest' }
+        - { name: 'macOS (GL3, SDL3)',    os: 'macos-latest',   platform: 'GL3',  gl3_gfxlib: 'SDL3', sdl-version: '3-latest' }
+        - { name: 'macOS (null)',         os: 'macos-latest',   platform: 'NULL' }
+        - { name: 'Ubuntu (GL3, glfw)',   os: 'ubuntu-latest',  platform: 'GL3',  gl3_gfxlib: 'GLFW' }
+        - { name: 'Ubuntu (GL3, SDL2)',   os: 'ubuntu-latest',  platform: 'GL3',  gl3_gfxlib: 'SDL2', sdl-version: '2-latest' }
+        - { name: 'Ubuntu (null)',        os: 'ubuntu-latest',  platform: 'NULL' }
+        - { name: 'PlayStation 2',        os: 'ubuntu-latest',  platform: 'PS2',  ps2: true,                              container: 'ps2dev/ps2dev:latest',        cmake-toolchain-file: 'cmake/ps2/cmaketoolchain/toolchain_ps2_ee.cmake' }
+        - { name: 'Nintendo Switch',      os: 'ubuntu-latest',  platform: 'GL3',  gl3_gfxlib: 'GLFW', glfw-nobuild: true, container: 'devkitpro/devkita64:latest',  cmake-toolchain-file: '/opt/devkitpro/cmake/Switch.cmake' }
+
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v4
+        with:
+          python-version: '3.x'
+      - name: 'Install PS2 dependencies'
+        if: ${{ matrix.case.ps2 }}
+        run: |
+          apk add cmake gmp mpc1 mpfr4 make pkgconf git
+      - name: 'Setup SDL'
+        if: ${{ !!matrix.case.sdl-version }}
+        uses: libsdl-org/setup-sdl@main
+        with:
+          version: ${{ matrix.case.sdl-version }}
+          install-linux-dependencies: true
+          cmake-toolchain-file: ${{ matrix.case.cmake-toolchain-file }}
+      - name: 'Setup GLFW'
+        if: ${{ matrix.case.gl3_gfxlib == 'GLFW' && !matrix.case.glfw-nobuild }}
+        shell: sh
+        run: |
+          ${{ (runner.os == 'Linux' && 'sudo apt-get update -y && sudo apt-get install -y libwayland-dev libxkbcommon-dev xorg-dev') || '' }}
+          git clone "https://github.com/glfw/glfw.git" glfw-source --depth 1
+          cmake -S glfw-source -B glfw-build -DGLFW_BUILD_EXAMPLES=OFF -DGLFW_BUILD_TESTS=OFF -DGLFW_BUILD_DOCS=OFF -DGLFW_INSTALL=ON -DCMAKE_INSTALL_PREFIX=glfw-prefix -DCMAKE_TOOLCHAIN_FILE="${{ matrix.case.cmake-toolchain-file }}" -DCMAKE_BUILD_TYPE=Release
+          cmake --build glfw-build --config Release
+          cmake --install glfw-build --config Release
+          echo "glfw3_ROOT=${{ github.workspace}}/glfw-prefix" >${GITHUB_ENV}
+      - name: 'Configure (CMake)'
+        shell: sh
+        run: |
+          cmake -S . -B build \
+            -DLIBRW_PLATFORM=${{ matrix.case.platform }} \
+            -DLIBRW_GL3_GFXLIB=${{ matrix.case.gl3_gfxlib }} \
+            -DCMAKE_TOOLCHAIN_FILE=${{ matrix.case.cmake-toolchain-file }} \
+            -DCMAKE_BUILD_TYPE=Release \
+            -DCMAKE_POLICY_DEFAULT_CMP0074=NEW
+      - name: 'Build (CMake)'
+        run: |
+          cmake --build build --config Release --verbose
+      - name: 'Create binary package (CPack)'
+        run: |
+          cd build
+          cpack . -C Release
+      - name: 'Archive binary package (GitHub artifacts)'
+        uses: actions/upload-artifact@v4
+        with:
+          name: ${{ matrix.case.os }}-${{ matrix.case.platform }}${{ (matrix.case.gl3_gfxlib != '' && format('-{0}', matrix.case.gl3_gfxlib)) || '' }}
+          path: build/*.tar.xz
+          if-no-files-found: error

CMakeLists.txt

@@ -30,7 +30,7 @@ else()
     set(LIBRW_PLATFORM_GL3_REQUIRES_OPENGL ON)
 endif()
 list(GET LIBRW_PLATFORMS 0 LIBRW_PLATFORM_DEFAULT)
-set(LIBRW_PLATFORM "${LIBRW_PLATFORM_DEFAULT}" CACHE STRING "Platform")
+set(LIBRW_PLATFORM "${LIBRW_PLATFORM_DEFAULT}" CACHE STRING "Platform (choices=${LIBRW_PLATFORMS})")
 set_property(CACHE LIBRW_PLATFORM PROPERTY STRINGS ${LIBRW_PLATFORMS})
 message(STATUS "LIBRW_PLATFORM = ${LIBRW_PLATFORM} (choices=${LIBRW_PLATFORMS})")
 set("LIBRW_PLATFORM_${LIBRW_PLATFORM}" ON)
@@ -38,14 +38,16 @@ if(NOT LIBRW_PLATFORM IN_LIST LIBRW_PLATFORMS)
     message(FATAL_ERROR "Illegal LIBRW_PLATFORM=${LIBRW_PLATFORM}")
 endif()
 
-set(LIBRW_GL3_GFXLIBS "GLFW" "SDL2")
-set(LIBRW_GL3_GFXLIB "GLFW" CACHE STRING "gfxlib for gl3")
-set_property(CACHE LIBRW_GL3_GFXLIB PROPERTY STRINGS ${LIBRW_GL3_GFXLIBS})
 if(LIBRW_PLATFORM_GL3)
-    message(STATUS "LIBRW_GL3_GFXLIB = ${LIBRW_GL3_GFXLIB} (choices=${LIBRW_GL3_GFXLIBS})")
-endif()
-if(NOT LIBRW_GL3_GFXLIB IN_LIST LIBRW_GL3_GFXLIBS)
-    message(FATAL_ERROR "Illegal LIBRW_GL3_GFXLIB=${LIBRW_GL3_GFXLIB}")
+    set(LIBRW_GL3_GFXLIBS "GLFW" "SDL2" "SDL3")
+    set(LIBRW_GL3_GFXLIB "GLFW" CACHE STRING "gfxlib for gl3 (choices=${LIBRW_GL3_GFXLIBS})")
+    set_property(CACHE LIBRW_GL3_GFXLIB PROPERTY STRINGS ${LIBRW_GL3_GFXLIBS})
+    if(LIBRW_PLATFORM_GL3)
+        message(STATUS "LIBRW_GL3_GFXLIB = ${LIBRW_GL3_GFXLIB} (choices=${LIBRW_GL3_GFXLIBS})")
+    endif()
+    if(NOT LIBRW_GL3_GFXLIB IN_LIST LIBRW_GL3_GFXLIBS)
+        message(FATAL_ERROR "Illegal LIBRW_GL3_GFXLIB=${LIBRW_GL3_GFXLIB}")
+    endif()
 endif()
 
 if(LIBRW_PLATFORM_PS2)
@@ -89,6 +91,7 @@ if(LIBRW_INSTALL)
         EXPORT librw-targets NAMESPACE librw::
         DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}"
     )
+    export(TARGETS librw NAMESPACE librw:: FILE librw-targets.cmake)
 
     if(LIBRW_GL3_GFXLIB STREQUAL "SDL2")
         install(
@@ -124,8 +127,10 @@ if(LIBRW_INSTALL)
     elseif(LIBRW_PLATFORM_GL3)
         if(LIBRW_GL3_GFXLIB STREQUAL "GLFW")
             set(platform "-gl3-glfw")
-        else()
+        elseif(LIBRW_GL3_GFXLIB STREQUAL "SDL2")
             set(platform "-gl3-sdl2")
+        elseif(LIBRW_GL3_GFXLIB STREQUAL "SDL3")
+            set(platform "-gl3-sdl3")
         endif()
     elseif(LIBRW_PLATFORM_D3D9)
         set(platform "-d3d9")

cmake/librw-config.cmake.in

@@ -14,9 +14,21 @@ if(LIBRW_PLATFORM_GL3)
         message(FATAL_ERROR "find_package(OpenGL) failed: no target was created")
     endif()
 
+    include(CMakeFindDependencyMacro)
     if(LIBRW_GL3_GFXLIB STREQUAL "GLFW")
-        find_package(glfw3 REQUIRED)
+        if (NOT TARGET glfw)
+            find_dependency(glfw3 REQUIRED)
+        endif()
     elseif(LIBRW_GL3_GFXLIB STREQUAL "SDL2")
-        find_package(SDL2 REQUIRED)
+        if (NOT TARGET SDL2::SDL2)
+            find_dependency(SDL2 CONFIG)
+            if (NOT TARGET SDL2::SDL2)
+                find_dependency(SDL2 MODULE REQUIRED)
+            endif()
+        endif()
+    elseif(LIBRW_GL3_GFXLIB STREQUAL "SDL3")
+        if (NOT TARGET SDL3::SDL3)
+            find_dependency(SDL3 CONFIG REQUIRED)
+        endif()
     endif()
 endif()

conan/playstation2

@@ -1,12 +0,0 @@
-[settings]
-os=Playstation2
-arch=mips
-compiler=gcc
-compiler.version=3.2
-compiler.libcxx=libstdc++
-build_type=Release
-[options]
-librw:platform=ps2
-[build_requires]
-ps2dev-ps2toolchain/unknown@madebr/testing
-[env]

conanfile.py

@@ -1,136 +0,0 @@
-from conans import ConanFile, CMake, tools
-from conans.errors import ConanException, ConanInvalidConfiguration
-import os
-import shutil
-import textwrap
-
-
-class LibrwConan(ConanFile):
-    name = "librw"
-    version = "master"
-    license = "MIT"
-    settings = "os", "arch", "compiler", "build_type"
-    generators = "cmake", "cmake_find_package"
-    options = {
-        "platform": ["null", "gl3", "d3d9", "ps2"],
-        "gl3_gfxlib": ["glfw", "sdl2"],
-    }
-    default_options = {
-        "platform": "gl3",
-        "gl3_gfxlib": "glfw",
-        "openal:with_external_libs": False,
-        "sdl2:vulkan": False,
-        "sdl2:opengl": True,
-        "sdl2:sdl2main": True,
-    }
-    no_copy_source = True
-
-    @property
-    def _os_is_playstation2(self):
-        try:
-            return self.settings.os == "Playstation2"
-        except ConanException:
-            return False
-
-    def config_options(self):
-        if self._os_is_playstation2:
-            self.options.platform = "ps2"
-        if self.settings.os == "Windows":
-            self.options.platform = "d3d9"
-            self.options["sdl2"].directx = False
-
-    def configure(self):
-        if self.options.platform != "gl3":
-            del self.options.gl3_gfxlib
-
-    def validate(self):
-        if self.options.platform == "d3d9" and self.settings.os != "Windows":
-            raise ConanInvalidConfiguration("platform=d3d9 can only be built for os=Windows")
-        if self._os_is_playstation2:
-            if self.options.platform not in ("null", "ps2"):
-                raise ConanInvalidConfiguration("os=Playstation2 only supports platform=(null,ps2)")
-
-    def requirements(self):
-        if self.options.platform == "gl3":
-            if self.options.gl3_gfxlib == "glfw":
-                self.requires("glfw/3.3.2")
-            elif self.options.gl3_gfxlib == "sdl2":
-                self.requires("sdl2/2.0.12@bincrafters/stable")
-        elif self.options.platform == "ps2":
-            self.requires("ps2dev-ps2sdk/unknown@madebr/testing")
-        if self._os_is_playstation2:
-            self.requires("ps2dev-cmaketoolchain/{}".format(self.version))
-
-    def export_sources(self):
-        for d in ("cmake", "skeleton", "src", "tools"):
-            shutil.copytree(src=d, dst=os.path.join(self.export_sources_folder, d))
-        self.copy("args.h")
-        self.copy("rw.h")
-        self.copy("CMakeLists.txt")
-        self.copy("LICENSE")
-
-    @property
-    def _librw_platform(self):
-        return {
-            "null": "NULL",
-            "gl3": "GL3",
-            "d3d9": "D3D9",
-            "ps2": "PS2",
-        }[str(self.options.platform)]
-
-    def build(self):
-        if self.source_folder == self.build_folder:
-            raise Exception("cannot build with source_folder == build_folder")
-        if self.options.platform == "gl3" and self.options.gl3_gfxlib == "glfw":
-            tools.save("Findglfw3.cmake",
-                       textwrap.dedent(
-                           """
-                           if(NOT TARGET glfw)
-                             message(STATUS "Creating glfw TARGET")
-                             add_library(glfw INTERFACE IMPORTED)
-                             set_target_properties(glfw PROPERTIES
-                                INTERFACE_LINK_LIBRARIES CONAN_PKG::glfw)
-                           endif()
-                           """), append=True)
-        tools.save("CMakeLists.txt",
-                   textwrap.dedent(
-                       """
-                       cmake_minimum_required(VERSION 3.0)
-                       project(cmake_wrapper)
-
-                       include("{}/conanbuildinfo.cmake")
-                       conan_basic_setup(TARGETS)
-
-                       add_subdirectory("{}" librw)
-                       """).format(self.install_folder.replace("\\", "/"),
-                                   self.source_folder.replace("\\", "/")))
-        cmake = CMake(self)
-        env = {}
-        cmake.definitions["LIBRW_PLATFORM"] = self._librw_platform
-        cmake.definitions["LIBRW_INSTALL"] = True
-        cmake.definitions["LIBRW_TOOLS"] = True
-        if self.options.platform == "gl3":
-            cmake.definitions["LIBRW_GL3_GFXLIB"] = str(self.options.gl3_gfxlib).upper()
-        if self._os_is_playstation2:
-            env["PS2SDK"] = self.deps_cpp_info["ps2dev-ps2sdk"].rootpath
-        with tools.environment_append(env):
-            cmake.configure(source_folder=self.build_folder)
-        cmake.build()
-
-    def package(self):
-        cmake = CMake(self)
-        cmake.install()
-
-    def package_info(self):
-        self.cpp_info.includedirs.append(os.path.join("include", "librw"))
-        self.cpp_info.libs = ["librw" if self.settings.compiler == "Visual Studio" else "rw"]
-        if self.options.platform == "null":
-            self.cpp_info.defines.append("RW_NULL")
-        elif self.options.platform == "gl3":
-            self.cpp_info.defines.append("RW_GL3")
-            if self.options.gl3_gfxlib == "sdl2":
-                self.cpp_info.defines.append("LIBRW_SDL2")
-        elif self.options.platform == "d3d9":
-            self.cpp_info.defines.append("RW_D3D9")
-        elif self.options.platform == "ps2":
-            self.cpp_info.defines.append("RW_PS2")

premake5.lua

@@ -6,6 +6,7 @@ newoption {
 	allowed		= {
 		{ "glfw",	"GLFW" },
 		{ "sdl2",	"SDL2" },
+		{ "sdl3",	"SDL3" },
 	},
 }
 
@@ -27,7 +28,14 @@ newoption {
 	trigger     = "sdl2dir",
 	value       = "PATH",
 	description = "Directory of sdl2",
-	default     = "../SDL2-2.0.14",
+	default     = "../SDL2-2.32.10",
+}
+
+newoption {
+	trigger     = "sdl3dir",
+	value       = "PATH",
+	description = "Directory of sdl3",
+	default     = "../SDL3-3.2.22",
 }
 
 workspace "librw"
@@ -64,6 +72,10 @@ workspace "librw"
 		defines { "RW_GL3" }
 		if _OPTIONS["gfxlib"] == "sdl2" then
 			defines { "LIBRW_SDL2" }
+		elseif _OPTIONS["gfxlib"] == "sdl3" then
+			defines { "LIBRW_SDL3" }
+		elseif _OPTIONS["gfxlib"] == "glfw" then
+			defines { "LIBRW_GLFW" }
 		end
 	filter { "platforms:*d3d9" }
 		defines { "RW_D3D9" }
@@ -131,21 +143,27 @@ function findlibs()
 		links { "GL" }
 		if _OPTIONS["gfxlib"] == "glfw" then
 			links { "glfw" }
-		else
+		elseif _OPTIONS["gfxlib"] == "sdl2" then
 			links { "SDL2" }
+		elseif _OPTIONS["gfxlib"] == "sdl3" then
+			links { "SDL3" }
 		end
 	filter { "platforms:win-amd64-gl3" }
 		libdirs { path.join(_OPTIONS["glfwdir64"], "lib-vc2015") }
 		libdirs { path.join(_OPTIONS["sdl2dir"], "lib/x64") }
+		libdirs { path.join(_OPTIONS["sdl3dir"], "lib/x64") }
 	filter { "platforms:win-x86-gl3" }
 		libdirs { path.join(_OPTIONS["glfwdir32"], "lib-vc2015") }
 		libdirs { path.join(_OPTIONS["sdl2dir"], "lib/x86") }
+		libdirs { path.join(_OPTIONS["sdl3dir"], "lib/x86") }
 	filter { "platforms:win*gl3" }
 		links { "opengl32" }
 		if _OPTIONS["gfxlib"] == "glfw" then
 			links { "glfw3" }
-		else
+		elseif _OPTIONS["gfxlib"] == "sdl2" then
 			links { "SDL2" }
+		elseif _OPTIONS["gfxlib"] == "sdl3" then
+			links { "SDL3" }
 		end
 	filter { "platforms:*d3d9" }
 		links { "gdi32", "d3d9" }
@@ -275,3 +293,12 @@ project "ps2test"
 --	includedirs { "." }
 --	libdirs { Libdir }
 --	links { "librw" }
+
+project "hopalong"
+	kind "WindowedApp"
+	characterset ("MBCS")
+	skeltool("hopalong")
+	entrypoint("WinMainCRTStartup")
+	removeplatforms { "*null" }
+	removeplatforms { "ps2" }
+

skeleton/CMakeLists.txt

@@ -1,6 +1,7 @@
 add_library(librw_skeleton
     glfw.cpp
     sdl2.cpp
+    sdl3.cpp
     skeleton.cpp
     skeleton.h
     win.cpp
@@ -24,6 +25,7 @@ add_library(librw_skeleton
     imgui/ImGuizmo.h
 )
 add_library(librw::skeleton ALIAS librw_skeleton)
+target_compile_features(librw_skeleton PUBLIC cxx_std_11)
 
 set_target_properties(librw_skeleton
     PROPERTIES
@@ -37,6 +39,10 @@ target_link_libraries(librw_skeleton
         librw
 )
 
+if (LIBRW_GL3_GFXLIB MATCHES "SDL[23]")
+    target_compile_definitions(librw_skeleton PRIVATE SDL_MAIN_HANDLED)
+endif()
+
 target_include_directories(librw_skeleton
     PUBLIC
         $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>

skeleton/glfw.cpp

@@ -1,4 +1,4 @@
-#ifndef LIBRW_SDL2
+#ifdef LIBRW_GLFW
 
 #include <rw.h>
 #include "skeleton.h"
@@ -182,7 +182,7 @@ mousebtn(GLFWwindow *window, int button, int action, int mods)
 {
 	static int buttons = 0;
 	sk::MouseState ms;
-	
+
 	switch(button){
 	case GLFW_MOUSE_BUTTON_LEFT:
 		if(action == GLFW_PRESS)
@@ -208,6 +208,14 @@ mousebtn(GLFWwindow *window, int button, int action, int mods)
 	EventHandler(MOUSEBTN, &ms);
 }
 
+static void
+mousewheel(GLFWwindow *window, double x, double y)
+{
+	sk::MouseState ms;
+	ms.wheelDelta = y;
+	EventHandler(MOUSEWHEEL, &ms);
+}
+
 int
 main(int argc, char *argv[])
 {
@@ -231,6 +239,7 @@ main(int argc, char *argv[])
 	glfwSetWindowSizeCallback(window, resize);
 	glfwSetCursorPosCallback(window, mousemove);
 	glfwSetMouseButtonCallback(window, mousebtn);
+	glfwSetScrollCallback(window, mousewheel);
 
 	float lastTime = glfwGetTime()*1000;
 	while(!sk::globals.quit && !glfwWindowShouldClose(window)){

skeleton/imgui/ImGuizmo.h

@@ -1,20 +1,20 @@
 // https://github.com/CedricGuillemet/ImGuizmo
-// v 1.61 WIP
+// v1.91.3 WIP
 //
 // The MIT License(MIT)
-// 
+//
 // Copyright(c) 2021 Cedric Guillemet
-// 
+//
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files(the "Software"), to deal
 // in the Software without restriction, including without limitation the rights
 // to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
 // copies of the Software, and to permit persons to whom the Software is
 // furnished to do so, subject to the following conditions :
-// 
+//
 // The above copyright notice and this permission notice shall be included in all
 // copies or substantial portions of the Software.
-// 
+//
 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
@@ -39,9 +39,9 @@
 // - display rotation/translation/scale infos in local/world space and not only local
 // - finish local/world matrix application
 // - OPERATION as bitmask
-// 
+//
 // -------------------------------------------------------------------------------------------
-// Example 
+// Example
 #if 0
 void EditTransform(const Camera& camera, matrix_t& matrix)
 {
@@ -111,7 +111,13 @@ void EditTransform(const Camera& camera, matrix_t& matrix)
 #define IMGUI_API
 #endif
 
-namespace ImGuizmo
+#ifndef IMGUIZMO_NAMESPACE
+#define IMGUIZMO_NAMESPACE ImGuizmo
+#endif
+
+struct ImGuiWindow;
+
+namespace IMGUIZMO_NAMESPACE
 {
    // call inside your own window and before Manipulate() in order to draw gizmo to that window.
    // Or pass a specific ImDrawList to draw to (e.g. ImGui::GetForegroundDrawList()).
@@ -132,6 +138,14 @@ namespace ImGuizmo
    // return true if mouse IsOver or if the gizmo is in moving state
    IMGUI_API bool IsUsing();
 
+   // return true if the view gizmo is in moving state
+   IMGUI_API bool IsUsingViewManipulate();
+   // only check if your mouse is over the view manipulator - no matter whether it's active or not
+   IMGUI_API bool IsViewManipulateHovered();
+
+   // return true if any gizmo is in moving state
+   IMGUI_API bool IsUsingAny();
+
    // enable/disable the gizmo. Stay in the state until next call to Enable.
    // gizmo is rendered with gray half transparent color when disabled
    IMGUI_API void Enable(bool enable);
@@ -160,7 +174,7 @@ namespace ImGuizmo
    IMGUI_API void DrawGrid(const float* view, const float* projection, const float* matrix, const float gridSize);
 
    // call it when you want a gizmo
-   // Needs view and projection matrices. 
+   // Needs view and projection matrices.
    // matrix parameter is the source matrix (where will be gizmo be drawn) and might be transformed by the function. Return deltaMatrix is optional
    // translation is applied in world space
    enum OPERATION
@@ -176,9 +190,15 @@ namespace ImGuizmo
       SCALE_Y          = (1u << 8),
       SCALE_Z          = (1u << 9),
       BOUNDS           = (1u << 10),
+      SCALE_XU         = (1u << 11),
+      SCALE_YU         = (1u << 12),
+      SCALE_ZU         = (1u << 13),
+
       TRANSLATE = TRANSLATE_X | TRANSLATE_Y | TRANSLATE_Z,
       ROTATE = ROTATE_X | ROTATE_Y | ROTATE_Z | ROTATE_SCREEN,
-      SCALE = SCALE_X | SCALE_Y | SCALE_Z
+      SCALE = SCALE_X | SCALE_Y | SCALE_Z,
+      SCALEU = SCALE_XU | SCALE_YU | SCALE_ZU, // universal
+      UNIVERSAL = TRANSLATE | ROTATE | SCALEU
    };
 
    inline OPERATION operator|(OPERATION lhs, OPERATION rhs)
@@ -200,8 +220,34 @@ namespace ImGuizmo
    //
    IMGUI_API void ViewManipulate(float* view, float length, ImVec2 position, ImVec2 size, ImU32 backgroundColor);
 
+   // use this version if you did not call Manipulate before and you are just using ViewManipulate
+   IMGUI_API void ViewManipulate(float* view, const float* projection, OPERATION operation, MODE mode, float* matrix, float length, ImVec2 position, ImVec2 size, ImU32 backgroundColor);
+
+   IMGUI_API void SetAlternativeWindow(ImGuiWindow* window);
+
+   [[deprecated("Use PushID/PopID instead.")]]
    IMGUI_API void SetID(int id);
 
+	// ID stack/scopes
+	// Read the FAQ (docs/FAQ.md or http://dearimgui.org/faq) for more details about how ID are handled in dear imgui.
+	// - Those questions are answered and impacted by understanding of the ID stack system:
+	//   - "Q: Why is my widget not reacting when I click on it?"
+	//   - "Q: How can I have widgets with an empty label?"
+	//   - "Q: How can I have multiple widgets with the same label?"
+	// - Short version: ID are hashes of the entire ID stack. If you are creating widgets in a loop you most likely
+	//   want to push a unique identifier (e.g. object pointer, loop index) to uniquely differentiate them.
+	// - You can also use the "Label##foobar" syntax within widget label to distinguish them from each others.
+	// - In this header file we use the "label"/"name" terminology to denote a string that will be displayed + used as an ID,
+	//   whereas "str_id" denote a string that is only used as an ID and not normally displayed.
+	IMGUI_API void          PushID(const char* str_id);                                     // push string into the ID stack (will hash string).
+	IMGUI_API void          PushID(const char* str_id_begin, const char* str_id_end);       // push string into the ID stack (will hash string).
+	IMGUI_API void          PushID(const void* ptr_id);                                     // push pointer into the ID stack (will hash pointer).
+	IMGUI_API void          PushID(int int_id);                                             // push integer into the ID stack (will hash integer).
+	IMGUI_API void          PopID();                                                        // pop from the ID stack.
+	IMGUI_API ImGuiID       GetID(const char* str_id);                                      // calculate unique ID (hash of whole ID stack + given parameter). e.g. if you want to query into ImGuiStorage yourself
+	IMGUI_API ImGuiID       GetID(const char* str_id_begin, const char* str_id_end);
+	IMGUI_API ImGuiID       GetID(const void* ptr_id);
+
    // return true if the cursor is over the operation's gizmo
    IMGUI_API bool IsOver(OPERATION op);
    IMGUI_API void SetGizmoSizeClipSpace(float value);
@@ -210,4 +256,51 @@ namespace ImGuizmo
    // When true (default), the guizmo axis flip for better visibility
    // When false, they always stay along the positive world/local axis
    IMGUI_API void AllowAxisFlip(bool value);
+
+   // Configure the limit where axis are hidden
+   IMGUI_API void SetAxisLimit(float value);
+   // Set an axis mask to permanently hide a given axis (true -> hidden, false -> shown)
+   IMGUI_API void SetAxisMask(bool x, bool y, bool z);
+   // Configure the limit where planes are hiden
+   IMGUI_API void SetPlaneLimit(float value);
+   // from a x,y,z point in space and using Manipulation view/projection matrix, check if mouse is in pixel radius distance of that projected point
+   IMGUI_API bool IsOver(float* position, float pixelRadius);
+
+   enum COLOR
+   {
+      DIRECTION_X,      // directionColor[0]
+      DIRECTION_Y,      // directionColor[1]
+      DIRECTION_Z,      // directionColor[2]
+      PLANE_X,          // planeColor[0]
+      PLANE_Y,          // planeColor[1]
+      PLANE_Z,          // planeColor[2]
+      SELECTION,        // selectionColor
+      INACTIVE,         // inactiveColor
+      TRANSLATION_LINE, // translationLineColor
+      SCALE_LINE,
+      ROTATION_USING_BORDER,
+      ROTATION_USING_FILL,
+      HATCHED_AXIS_LINES,
+      TEXT,
+      TEXT_SHADOW,
+      COUNT
+   };
+
+   struct Style
+   {
+      IMGUI_API Style();
+
+      float TranslationLineThickness;   // Thickness of lines for translation gizmo
+      float TranslationLineArrowSize;   // Size of arrow at the end of lines for translation gizmo
+      float RotationLineThickness;      // Thickness of lines for rotation gizmo
+      float RotationOuterLineThickness; // Thickness of line surrounding the rotation gizmo
+      float ScaleLineThickness;         // Thickness of lines for scale gizmo
+      float ScaleLineCircleSize;        // Size of circle at the end of lines for scale gizmo
+      float HatchedAxisLineThickness;   // Thickness of hatched axis lines
+      float CenterCircleSize;           // Size of circle at the center of the translate/scale gizmo
+
+      ImVec4 Colors[COLOR::COUNT];
+   };
+
+   IMGUI_API Style& GetStyle();
 }

skeleton/imgui/LICENSE_imgui.txt

@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2014-2021 Omar Cornut
+Copyright (c) 2014-2025 Omar Cornut
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

skeleton/imgui/imconfig.h

@@ -1,5 +1,5 @@
 //-----------------------------------------------------------------------------
-// COMPILE-TIME OPTIONS FOR DEAR IMGUI
+// DEAR IMGUI COMPILE-TIME OPTIONS
 // Runtime options (clipboard callbacks, enabling various features, etc.) can generally be set via the ImGuiIO structure.
 // You can use ImGui::SetAllocatorFunctions() before calling ImGui::CreateContext() to rewire memory allocation functions.
 //-----------------------------------------------------------------------------
@@ -9,7 +9,7 @@
 // You need to make sure that configuration settings are defined consistently _everywhere_ Dear ImGui is used, which include the imgui*.cpp
 // files but also _any_ of your code that uses Dear ImGui. This is because some compile-time options have an affect on data structures.
 // Defining those options in imconfig.h will ensure every compilation unit gets to see the same data structure layouts.
-// Call IMGUI_CHECKVERSION() from your .cpp files to verify that the data structures your files are using are matching the ones imgui.cpp is using.
+// Call IMGUI_CHECKVERSION() from your .cpp file to verify that the data structures your files are using are matching the ones imgui.cpp is using.
 //-----------------------------------------------------------------------------
 
 #pragma once
@@ -21,56 +21,79 @@
 
 //---- Define attributes of all API symbols declarations, e.g. for DLL under Windows
 // Using Dear ImGui via a shared library is not recommended, because of function call overhead and because we don't guarantee backward nor forward ABI compatibility.
-// DLL users: heaps and globals are not shared across DLL boundaries! You will need to call SetCurrentContext() + SetAllocatorFunctions()
-// for each static/DLL boundary you are calling from. Read "Context and Memory Allocators" section of imgui.cpp for more details.
-//#define IMGUI_API __declspec( dllexport )
-//#define IMGUI_API __declspec( dllimport )
+// - Windows DLL users: heaps and globals are not shared across DLL boundaries! You will need to call SetCurrentContext() + SetAllocatorFunctions()
+//   for each static/DLL boundary you are calling from. Read "Context and Memory Allocators" section of imgui.cpp for more details.
+//#define IMGUI_API __declspec(dllexport)                   // MSVC Windows: DLL export
+//#define IMGUI_API __declspec(dllimport)                   // MSVC Windows: DLL import
+//#define IMGUI_API __attribute__((visibility("default")))  // GCC/Clang: override visibility when set is hidden
 
-//---- Don't define obsolete functions/enums/behaviors. Consider enabling from time to time after updating to avoid using soon-to-be obsolete function/names.
+//---- Don't define obsolete functions/enums/behaviors. Consider enabling from time to time after updating to clean your code of obsolete function/names.
 //#define IMGUI_DISABLE_OBSOLETE_FUNCTIONS
 
-//---- Disable all of Dear ImGui or don't implement standard windows.
-// It is very strongly recommended to NOT disable the demo windows during development. Please read comments in imgui_demo.cpp.
+//---- Disable all of Dear ImGui or don't implement standard windows/tools.
+// It is very strongly recommended to NOT disable the demo windows and debug tool during development. They are extremely useful in day to day work. Please read comments in imgui_demo.cpp.
 //#define IMGUI_DISABLE                                     // Disable everything: all headers and source files will be empty.
-//#define IMGUI_DISABLE_DEMO_WINDOWS                        // Disable demo windows: ShowDemoWindow()/ShowStyleEditor() will be empty. Not recommended.
-//#define IMGUI_DISABLE_METRICS_WINDOW                      // Disable metrics/debugger window: ShowMetricsWindow() will be empty.
+//#define IMGUI_DISABLE_DEMO_WINDOWS                        // Disable demo windows: ShowDemoWindow()/ShowStyleEditor() will be empty.
+//#define IMGUI_DISABLE_DEBUG_TOOLS                         // Disable metrics/debugger and other debug tools: ShowMetricsWindow(), ShowDebugLogWindow() and ShowIDStackToolWindow() will be empty.
 
 //---- Don't implement some functions to reduce linkage requirements.
 //#define IMGUI_DISABLE_WIN32_DEFAULT_CLIPBOARD_FUNCTIONS   // [Win32] Don't implement default clipboard handler. Won't use and link with OpenClipboard/GetClipboardData/CloseClipboard etc. (user32.lib/.a, kernel32.lib/.a)
-//#define IMGUI_DISABLE_WIN32_DEFAULT_IME_FUNCTIONS         // [Win32] Don't implement default IME handler. Won't use and link with ImmGetContext/ImmSetCompositionWindow. (imm32.lib/.a)
-//#define IMGUI_DISABLE_WIN32_FUNCTIONS                     // [Win32] Won't use and link with any Win32 function (clipboard, ime).
+//#define IMGUI_ENABLE_WIN32_DEFAULT_IME_FUNCTIONS          // [Win32] [Default with Visual Studio] Implement default IME handler (require imm32.lib/.a, auto-link for Visual Studio, -limm32 on command-line for MinGW)
+//#define IMGUI_DISABLE_WIN32_DEFAULT_IME_FUNCTIONS         // [Win32] [Default with non-Visual Studio compilers] Don't implement default IME handler (won't require imm32.lib/.a)
+//#define IMGUI_DISABLE_WIN32_FUNCTIONS                     // [Win32] Won't use and link with any Win32 function (clipboard, IME).
 //#define IMGUI_ENABLE_OSX_DEFAULT_CLIPBOARD_FUNCTIONS      // [OSX] Implement default OSX clipboard handler (need to link with '-framework ApplicationServices', this is why this is not the default).
+//#define IMGUI_DISABLE_DEFAULT_SHELL_FUNCTIONS             // Don't implement default platform_io.Platform_OpenInShellFn() handler (Win32: ShellExecute(), require shell32.lib/.a, Mac/Linux: use system("")).
 //#define IMGUI_DISABLE_DEFAULT_FORMAT_FUNCTIONS            // Don't implement ImFormatString/ImFormatStringV so you can implement them yourself (e.g. if you don't want to link with vsnprintf)
 //#define IMGUI_DISABLE_DEFAULT_MATH_FUNCTIONS              // Don't implement ImFabs/ImSqrt/ImPow/ImFmod/ImCos/ImSin/ImAcos/ImAtan2 so you can implement them yourself.
 //#define IMGUI_DISABLE_FILE_FUNCTIONS                      // Don't implement ImFileOpen/ImFileClose/ImFileRead/ImFileWrite and ImFileHandle at all (replace them with dummies)
 //#define IMGUI_DISABLE_DEFAULT_FILE_FUNCTIONS              // Don't implement ImFileOpen/ImFileClose/ImFileRead/ImFileWrite and ImFileHandle so you can implement them yourself if you don't want to link with fopen/fclose/fread/fwrite. This will also disable the LogToTTY() function.
 //#define IMGUI_DISABLE_DEFAULT_ALLOCATORS                  // Don't implement default allocators calling malloc()/free() to avoid linking with them. You will need to call ImGui::SetAllocatorFunctions().
+//#define IMGUI_DISABLE_DEFAULT_FONT                        // Disable default embedded font (ProggyClean.ttf), remove ~9.5 KB from output binary. AddFontDefault() will assert.
+//#define IMGUI_DISABLE_SSE                                 // Disable use of SSE intrinsics even if available
+
+//---- Enable Test Engine / Automation features.
+//#define IMGUI_ENABLE_TEST_ENGINE                          // Enable imgui_test_engine hooks. Generally set automatically by include "imgui_te_config.h", see Test Engine for details.
 
 //---- Include imgui_user.h at the end of imgui.h as a convenience
+// May be convenient for some users to only explicitly include vanilla imgui.h and have extra stuff included.
 //#define IMGUI_INCLUDE_IMGUI_USER_H
+//#define IMGUI_USER_H_FILENAME         "my_folder/my_imgui_user.h"
 
-//---- Pack colors to BGRA8 instead of RGBA8 (to avoid converting from one to another)
+//---- Pack vertex colors as BGRA8 instead of RGBA8 (to avoid converting from one to another). Need dedicated backend support.
 //#define IMGUI_USE_BGRA_PACKED_COLOR
 
-//---- Use 32-bit for ImWchar (default is 16-bit) to support unicode planes 1-16. (e.g. point beyond 0xFFFF like emoticons, dingbats, symbols, shapes, ancient languages, etc...)
+//---- Use legacy CRC32-adler tables (used before 1.91.6), in order to preserve old .ini data that you cannot afford to invalidate.
+//#define IMGUI_USE_LEGACY_CRC32_ADLER
+
+//---- Use 32-bit for ImWchar (default is 16-bit) to support Unicode planes 1-16. (e.g. point beyond 0xFFFF like emoticons, dingbats, symbols, shapes, ancient languages, etc...)
 //#define IMGUI_USE_WCHAR32
 
 //---- Avoid multiple STB libraries implementations, or redefine path/filenames to prioritize another version
 // By default the embedded implementations are declared static and not available outside of Dear ImGui sources files.
 //#define IMGUI_STB_TRUETYPE_FILENAME   "my_folder/stb_truetype.h"
 //#define IMGUI_STB_RECT_PACK_FILENAME  "my_folder/stb_rect_pack.h"
+//#define IMGUI_STB_SPRINTF_FILENAME    "my_folder/stb_sprintf.h"    // only used if IMGUI_USE_STB_SPRINTF is defined.
 //#define IMGUI_DISABLE_STB_TRUETYPE_IMPLEMENTATION
 //#define IMGUI_DISABLE_STB_RECT_PACK_IMPLEMENTATION
+//#define IMGUI_DISABLE_STB_SPRINTF_IMPLEMENTATION                   // only disabled if IMGUI_USE_STB_SPRINTF is defined.
 
-//---- Use stb_printf's faster implementation of vsnprintf instead of the one from libc (unless IMGUI_DISABLE_DEFAULT_FORMAT_FUNCTIONS is defined)
-// Requires 'stb_sprintf.h' to be available in the include path. Compatibility checks of arguments and formats done by clang and GCC will be disabled in order to support the extra formats provided by STB sprintf.
-// #define IMGUI_USE_STB_SPRINTF
+//---- Use stb_sprintf.h for a faster implementation of vsnprintf instead of the one from libc (unless IMGUI_DISABLE_DEFAULT_FORMAT_FUNCTIONS is defined)
+// Compatibility checks of arguments and formats done by clang and GCC will be disabled in order to support the extra formats provided by stb_sprintf.h.
+//#define IMGUI_USE_STB_SPRINTF
 
 //---- Use FreeType to build and rasterize the font atlas (instead of stb_truetype which is embedded by default in Dear ImGui)
 // Requires FreeType headers to be available in the include path. Requires program to be compiled with 'misc/freetype/imgui_freetype.cpp' (in this repository) + the FreeType library (not provided).
-// On Windows you may use vcpkg with 'vcpkg install freetype' + 'vcpkg integrate install'.
+// On Windows you may use vcpkg with 'vcpkg install freetype --triplet=x64-windows' + 'vcpkg integrate install'.
 //#define IMGUI_ENABLE_FREETYPE
 
+//---- Use FreeType + plutosvg or lunasvg to render OpenType SVG fonts (SVGinOT)
+// Only works in combination with IMGUI_ENABLE_FREETYPE.
+// - plutosvg is currently easier to install, as e.g. it is part of vcpkg. It will support more fonts and may load them faster. See misc/freetype/README for instructions.
+// - Both require headers to be available in the include path + program to be linked with the library code (not provided).
+// - (note: lunasvg implementation is based on Freetype's rsvg-port.c which is licensed under CeCILL-C Free Software License Agreement)
+//#define IMGUI_ENABLE_FREETYPE_PLUTOSVG
+//#define IMGUI_ENABLE_FREETYPE_LUNASVG
+
 //---- Use stb_truetype to build and rasterize the font atlas (default)
 // The only purpose of this define is if you want force compilation of the stb_truetype backend ALONG with the FreeType backend.
 //#define IMGUI_ENABLE_STB_TRUETYPE
@@ -78,14 +101,16 @@
 //---- Define constructor and implicit cast operators to convert back<>forth between your math types and ImVec2/ImVec4.
 // This will be inlined as part of ImVec2 and ImVec4 class declarations.
 /*
-#define IM_VEC2_CLASS_EXTRA                                                 \
-        ImVec2(const MyVec2& f) { x = f.x; y = f.y; }                       \
+#define IM_VEC2_CLASS_EXTRA                                                     \
+        constexpr ImVec2(const MyVec2& f) : x(f.x), y(f.y) {}                   \
         operator MyVec2() const { return MyVec2(x,y); }
 
-#define IM_VEC4_CLASS_EXTRA                                                 \
-        ImVec4(const MyVec4& f) { x = f.x; y = f.y; z = f.z; w = f.w; }     \
+#define IM_VEC4_CLASS_EXTRA                                                     \
+        constexpr ImVec4(const MyVec4& f) : x(f.x), y(f.y), z(f.z), w(f.w) {}   \
         operator MyVec4() const { return MyVec4(x,y,z,w); }
 */
+//---- ...Or use Dear ImGui's own very basic math operators.
+//#define IMGUI_DEFINE_MATH_OPERATORS
 
 //---- Use 32-bit vertex indices (default is 16-bit) is one way to allow large meshes with more than 64K vertices.
 // Your renderer backend will need to support it (most example renderer backends support both 16/32-bit indices).
@@ -99,23 +124,22 @@
 //typedef void (*MyImDrawCallback)(const ImDrawList* draw_list, const ImDrawCmd* cmd, void* my_renderer_user_data);
 //#define ImDrawCallback MyImDrawCallback
 
-//---- Debug Tools: Macro to break in Debugger
+//---- Debug Tools: Macro to break in Debugger (we provide a default implementation of this in the codebase)
 // (use 'Metrics->Tools->Item Picker' to pick widgets with the mouse and break into them for easy debugging.)
 //#define IM_DEBUG_BREAK  IM_ASSERT(0)
 //#define IM_DEBUG_BREAK  __debugbreak()
 
-//---- Debug Tools: Have the Item Picker break in the ItemAdd() function instead of ItemHoverable(),
-// (which comes earlier in the code, will catch a few extra items, allow picking items other than Hovered one.)
-// This adds a small runtime cost which is why it is not enabled by default.
-//#define IMGUI_DEBUG_TOOL_ITEM_PICKER_EX
+//---- Debug Tools: Enable highlight ID conflicts _before_ hovering items. When io.ConfigDebugHighlightIdConflicts is set.
+// (THIS WILL SLOW DOWN DEAR IMGUI. Only use occasionally and disable after use)
+//#define IMGUI_DEBUG_HIGHLIGHT_ALL_ID_CONFLICTS
 
 //---- Debug Tools: Enable slower asserts
 //#define IMGUI_DEBUG_PARANOID
 
-//---- Tip: You can add extra functions within the ImGui:: namespace, here or in your own headers files.
+//---- Tip: You can add extra functions within the ImGui:: namespace from anywhere (e.g. your own sources/header files)
 /*
 namespace ImGui
 {
-    void MyFunction(const char* name, const MyMatrix44& v);
+    void MyFunction(const char* name, MyMatrix44* mtx);
 }
 */

skeleton/imgui/imgui_impl_rw.cpp

@@ -1,3 +1,4 @@
+#define WITH_D3D
 #include <rw.h>
 #include <skeleton.h>
 #include <assert.h>
@@ -11,6 +12,35 @@ static rw::Texture *g_FontTexture;
 static Im2DVertex *g_vertbuf;
 static int g_vertbufSize;
 
+// TODO: scissor from librw itself
+static void
+SetClip(const ImVec4 &clip)
+{
+	ImGuiIO &io = ImGui::GetIO();
+	float x1 = clip.x; float y1 = clip.y;
+	float x2 = clip.z; float y2 = clip.w;
+#ifdef RW_OPENGL
+	glScissor(x1, io.DisplaySize.y-y2, x2-x1, y2-y1);
+	glEnable(GL_SCISSOR_TEST);
+#endif
+#ifdef RW_D3D9
+	rw::d3d::d3ddevice->SetRenderState(D3DRS_SCISSORTESTENABLE, 1);
+	RECT r = { (LONG)x1, (LONG)y1, (LONG)x2, (LONG)y2 };
+	rw::d3d::d3ddevice->SetScissorRect(&r);
+#endif
+}
+
+static void
+DisableClip(void)
+{
+#ifdef RW_OPENGL
+	glDisable(GL_SCISSOR_TEST);
+#endif
+#ifdef RW_D3D9
+	rw::d3d::d3ddevice->SetRenderState(D3DRS_SCISSORTESTENABLE, 0);
+#endif
+}
+
 void
 ImGui_ImplRW_RenderDrawLists(ImDrawData* draw_data)
 {
@@ -80,7 +110,7 @@ ImGui_ImplRW_RenderDrawLists(ImDrawData* draw_data)
 			if(pcmd->UserCallback)
 				pcmd->UserCallback(cmd_list, pcmd);
 			else{
-				rw::Texture *tex = (rw::Texture*)pcmd->TextureId;
+				rw::Texture *tex = (rw::Texture*)pcmd->GetTexID();
 				if(tex && tex->raster){
 					rw::SetRenderStatePtr(rw::TEXTURERASTER, tex->raster);
 					rw::SetRenderState(rw::TEXTUREADDRESSU, tex->getAddressU());
@@ -88,9 +118,12 @@ ImGui_ImplRW_RenderDrawLists(ImDrawData* draw_data)
 					rw::SetRenderState(rw::TEXTUREFILTER, tex->getFilter());
 				}else
 					rw::SetRenderStatePtr(rw::TEXTURERASTER, nil);
+
+				SetClip(pcmd->ClipRect);
 				rw::im2d::RenderIndexedPrimitive(rw::PRIMTYPETRILIST,
 					g_vertbuf+vtx_offset, cmd_list->VtxBuffer.Size,
 					cmd_list->IdxBuffer.Data+idx_offset, pcmd->ElemCount);
+				DisableClip();
 			}
 			idx_offset += pcmd->ElemCount;
 		}
@@ -116,26 +149,6 @@ ImGui_ImplRW_Init(void)
 	ImGui::CreateContext();
 	ImGuiIO &io = ImGui::GetIO();
 
-	io.KeyMap[ImGuiKey_Tab] = KEY_TAB;
-	io.KeyMap[ImGuiKey_LeftArrow] = KEY_LEFT;
-	io.KeyMap[ImGuiKey_RightArrow] = KEY_RIGHT;
-	io.KeyMap[ImGuiKey_UpArrow] = KEY_UP;
-	io.KeyMap[ImGuiKey_DownArrow] = KEY_DOWN;
-	io.KeyMap[ImGuiKey_PageUp] = KEY_PGUP;
-	io.KeyMap[ImGuiKey_PageDown] = KEY_PGDN;
-	io.KeyMap[ImGuiKey_Home] = KEY_HOME;
-	io.KeyMap[ImGuiKey_End] = KEY_END;
-	io.KeyMap[ImGuiKey_Delete] = KEY_DEL;
-	io.KeyMap[ImGuiKey_Backspace] = KEY_BACKSP;
-	io.KeyMap[ImGuiKey_Enter] = KEY_ENTER;
-	io.KeyMap[ImGuiKey_Escape] = KEY_ESC;
-	io.KeyMap[ImGuiKey_A] = 'A';
-	io.KeyMap[ImGuiKey_C] = 'C';
-	io.KeyMap[ImGuiKey_V] = 'V';
-	io.KeyMap[ImGuiKey_X] = 'X';
-	io.KeyMap[ImGuiKey_Y] = 'Y';
-	io.KeyMap[ImGuiKey_Z] = 'Z';
-
 	return true;
 }
 
@@ -161,7 +174,7 @@ ImGui_ImplRW_CreateFontsTexture()
 	g_FontTexture = rw::Texture::create(rw::Raster::createFromImage(image));
 	g_FontTexture->setFilter(rw::Texture::LINEAR);
 	image->destroy();
-	
+
 	// Store our identifier
 	io.Fonts->TexID = (void*)g_FontTexture;
 
@@ -171,8 +184,6 @@ ImGui_ImplRW_CreateFontsTexture()
 bool
 ImGui_ImplRW_CreateDeviceObjects()
 {
-//	if(!g_pd3dDevice)
-//		return false;
 	if(!ImGui_ImplRW_CreateFontsTexture())
 		return false;
 	return true;
@@ -189,9 +200,9 @@ ImGui_ImplRW_NewFrame(float timeDelta)
 	io.DisplaySize = ImVec2(sk::globals.width, sk::globals.height);
 	io.DeltaTime = timeDelta;
 
-	io.KeyCtrl = io.KeysDown[sk::KEY_LCTRL] || io.KeysDown[sk::KEY_RCTRL];
-	io.KeyShift = io.KeysDown[sk::KEY_LSHIFT] || io.KeysDown[sk::KEY_RSHIFT];
-	io.KeyAlt = io.KeysDown[sk::KEY_LALT] || io.KeysDown[sk::KEY_RALT];
+	io.KeyCtrl = ImGui::IsKeyPressed(ImGuiKey_LeftCtrl) || ImGui::IsKeyPressed(ImGuiKey_RightCtrl);
+	io.KeyShift = ImGui::IsKeyPressed(ImGuiKey_LeftShift) || ImGui::IsKeyPressed(ImGuiKey_RightShift);
+	io.KeyAlt = ImGui::IsKeyPressed(ImGuiKey_LeftAlt) || ImGui::IsKeyPressed(ImGuiKey_RightAlt);
 	io.KeySuper = false;
 
 	if(io.WantSetMousePos)
@@ -200,6 +211,100 @@ ImGui_ImplRW_NewFrame(float timeDelta)
 	ImGui::NewFrame();
 }
 
+static ImGuiKey SkKeyToImGuiKey(int keycode)
+{
+    switch (keycode) {
+        case ' ': return ImGuiKey_Space;
+        case '\'': return ImGuiKey_Apostrophe;
+        case '-': return ImGuiKey_Minus;
+        case '.': return ImGuiKey_Period;
+        case '/': return ImGuiKey_Slash;
+        case '0': return ImGuiKey_0;
+        case '1': return ImGuiKey_1;
+        case '2': return ImGuiKey_2;
+        case '3': return ImGuiKey_3;
+        case '4': return ImGuiKey_4;
+        case '5': return ImGuiKey_5;
+        case '6': return ImGuiKey_6;
+        case '7': return ImGuiKey_7;
+        case '8': return ImGuiKey_8;
+        case '9': return ImGuiKey_9;
+
+        case ';': return ImGuiKey_Semicolon;
+        case '=': return ImGuiKey_Equal;
+
+        case 'A': return ImGuiKey_A;
+        case 'B': return ImGuiKey_B;
+        case 'C': return ImGuiKey_C;
+        case 'D': return ImGuiKey_D;
+        case 'E': return ImGuiKey_E;
+        case 'F': return ImGuiKey_F;
+        case 'G': return ImGuiKey_G;
+        case 'H': return ImGuiKey_H;
+        case 'I': return ImGuiKey_I;
+        case 'J': return ImGuiKey_J;
+        case 'K': return ImGuiKey_K;
+        case 'L': return ImGuiKey_L;
+        case 'M': return ImGuiKey_M;
+        case 'N': return ImGuiKey_N;
+        case 'O': return ImGuiKey_O;
+        case 'P': return ImGuiKey_P;
+        case 'Q': return ImGuiKey_Q;
+        case 'R': return ImGuiKey_R;
+        case 'S': return ImGuiKey_S;
+        case 'T': return ImGuiKey_T;
+        case 'U': return ImGuiKey_U;
+        case 'V': return ImGuiKey_V;
+        case 'W': return ImGuiKey_W;
+        case 'X': return ImGuiKey_X;
+        case 'Y': return ImGuiKey_Y;
+        case 'Z': return ImGuiKey_Z;
+
+        case '[': return ImGuiKey_LeftBracket;
+        case '\\': return ImGuiKey_Backslash;
+        case ']': return ImGuiKey_RightBracket;
+        case '`': return ImGuiKey_GraveAccent;
+        case sk::KEY_ESC: return ImGuiKey_Escape;
+        case sk::KEY_ENTER: return ImGuiKey_Enter;
+        case sk::KEY_TAB: return ImGuiKey_Tab;
+        case sk::KEY_BACKSP: return ImGuiKey_Backspace;
+        case sk::KEY_INS: return ImGuiKey_Insert;
+        case sk::KEY_DEL: return ImGuiKey_Delete;
+        case sk::KEY_RIGHT: return ImGuiKey_RightArrow;
+        case sk::KEY_LEFT: return ImGuiKey_LeftArrow;
+        case sk::KEY_DOWN: return ImGuiKey_DownArrow;
+        case sk::KEY_UP: return ImGuiKey_UpArrow;
+        case sk::KEY_PGUP: return ImGuiKey_PageUp;
+        case sk::KEY_PGDN: return ImGuiKey_PageDown;
+        case sk::KEY_HOME: return ImGuiKey_Home;
+        case sk::KEY_END: return ImGuiKey_End;
+        case sk::KEY_CAPSLK: return ImGuiKey_CapsLock;
+
+        case sk::KEY_F1: return ImGuiKey_F1;
+        case sk::KEY_F2: return ImGuiKey_F2;
+        case sk::KEY_F3: return ImGuiKey_F3;
+        case sk::KEY_F4: return ImGuiKey_F4;
+        case sk::KEY_F5: return ImGuiKey_F5;
+        case sk::KEY_F6: return ImGuiKey_F6;
+        case sk::KEY_F7: return ImGuiKey_F7;
+        case sk::KEY_F8: return ImGuiKey_F8;
+        case sk::KEY_F9: return ImGuiKey_F9;
+        case sk::KEY_F10: return ImGuiKey_F10;
+        case sk::KEY_F11: return ImGuiKey_F11;
+        case sk::KEY_F12: return ImGuiKey_F12;
+
+        case sk::KEY_LSHIFT: return ImGuiKey_LeftShift;
+        case sk::KEY_LCTRL: return ImGuiKey_LeftCtrl;
+        case sk::KEY_LALT: return ImGuiKey_LeftAlt;
+        case sk::KEY_RSHIFT: return ImGuiKey_RightShift;
+        case sk::KEY_RCTRL: return ImGuiKey_RightCtrl;
+        case sk::KEY_RALT: return ImGuiKey_RightAlt;
+
+        case sk::KEY_NULL: return ImGuiKey_None;
+    }
+    return ImGuiKey_None;
+}
+
 sk::EventStatus
 ImGuiEventHandler(sk::Event e, void *param)
 {
@@ -211,14 +316,10 @@ ImGuiEventHandler(sk::Event e, void *param)
 
 	switch(e){
 	case KEYDOWN:
-		c = *(int*)param;
-		if(c < 256)
-			io.KeysDown[c] = 1;
+		io.AddKeyEvent(SkKeyToImGuiKey(*(int*)param), true);
 		return EVENTPROCESSED;
 	case KEYUP:
-		c = *(int*)param;
-		if(c < 256)
-			io.KeysDown[c] = 0;
+		io.AddKeyEvent(SkKeyToImGuiKey(*(int*)param), false);
 		return EVENTPROCESSED;
 	case CHARINPUT:
 		c = (uint)(uintptr)param;
@@ -235,6 +336,10 @@ ImGuiEventHandler(sk::Event e, void *param)
 		io.MouseDown[2] = !!(ms->buttons & 2);
 		io.MouseDown[1] = !!(ms->buttons & 4);
 		return EVENTPROCESSED;
+	case MOUSEWHEEL:
+		ms = (MouseState*)param;
+		io.MouseWheel += ms->wheelDelta;
+		return EVENTPROCESSED;
 	}
 	return EVENTPROCESSED;
 }

skeleton/imgui/imstb_rectpack.h

@@ -1,15 +1,19 @@
 // [DEAR IMGUI]
-// This is a slightly modified version of stb_rect_pack.h 1.00.
-// Those changes would need to be pushed into nothings/stb:
-// - Added STBRP__CDECL
+// This is a slightly modified version of stb_rect_pack.h 1.01.
 // Grep for [DEAR IMGUI] to find the changes.
-
-// stb_rect_pack.h - v1.00 - public domain - rectangle packing
+// 
+// stb_rect_pack.h - v1.01 - public domain - rectangle packing
 // Sean Barrett 2014
 //
 // Useful for e.g. packing rectangular textures into an atlas.
 // Does not do rotation.
 //
+// Before #including,
+//
+//    #define STB_RECT_PACK_IMPLEMENTATION
+//
+// in the file that you want to have the implementation.
+//
 // Not necessarily the awesomest packing method, but better than
 // the totally naive one in stb_truetype (which is primarily what
 // this is meant to replace).
@@ -34,13 +38,14 @@
 //  Minor features
 //    Martins Mozeiko
 //    github:IntellectualKitty
-//    
+//
 //  Bugfixes / warning fixes
 //    Jeremy Jaussaud
 //    Fabian Giesen
 //
 // Version history:
 //
+//     1.01  (2021-07-11)  always use large rect mode, expose STBRP__MAXVAL in public section
 //     1.00  (2019-02-25)  avoid small space waste; gracefully fail too-wide rectangles
 //     0.99  (2019-02-07)  warning fixes
 //     0.11  (2017-03-03)  return packing success/fail result
@@ -81,11 +86,10 @@ typedef struct stbrp_context stbrp_context;
 typedef struct stbrp_node    stbrp_node;
 typedef struct stbrp_rect    stbrp_rect;
 
-#ifdef STBRP_LARGE_RECTS
 typedef int            stbrp_coord;
-#else
-typedef unsigned short stbrp_coord;
-#endif
+
+#define STBRP__MAXVAL  0x7fffffff
+// Mostly for internal use, but this is the maximum supported coordinate value.
 
 STBRP_DEF int stbrp_pack_rects (stbrp_context *context, stbrp_rect *rects, int num_rects);
 // Assign packed locations to rectangles. The rectangles are of type
@@ -213,10 +217,9 @@ struct stbrp_context
 #define STBRP_ASSERT assert
 #endif
 
-// [DEAR IMGUI] Added STBRP__CDECL
 #ifdef _MSC_VER
 #define STBRP__NOTUSED(v)  (void)(v)
-#define STBRP__CDECL __cdecl
+#define STBRP__CDECL       __cdecl
 #else
 #define STBRP__NOTUSED(v)  (void)sizeof(v)
 #define STBRP__CDECL
@@ -262,9 +265,6 @@ STBRP_DEF void stbrp_setup_allow_out_of_mem(stbrp_context *context, int allow_ou
 STBRP_DEF void stbrp_init_target(stbrp_context *context, int width, int height, stbrp_node *nodes, int num_nodes)
 {
    int i;
-#ifndef STBRP_LARGE_RECTS
-   STBRP_ASSERT(width <= 0xffff && height <= 0xffff);
-#endif
 
    for (i=0; i < num_nodes-1; ++i)
       nodes[i].next = &nodes[i+1];
@@ -283,11 +283,7 @@ STBRP_DEF void stbrp_init_target(stbrp_context *context, int width, int height,
    context->extra[0].y = 0;
    context->extra[0].next = &context->extra[1];
    context->extra[1].x = (stbrp_coord) width;
-#ifdef STBRP_LARGE_RECTS
    context->extra[1].y = (1<<30);
-#else
-   context->extra[1].y = 65535;
-#endif
    context->extra[1].next = NULL;
 }
 
@@ -433,7 +429,7 @@ static stbrp__findresult stbrp__skyline_find_best_pos(stbrp_context *c, int widt
             if (y <= best_y) {
                if (y < best_y || waste < best_waste || (waste==best_waste && xpos < best_x)) {
                   best_x = xpos;
-                  STBRP_ASSERT(y <= best_y);
+                  //STBRP_ASSERT(y <= best_y); [DEAR IMGUI]
                   best_y = y;
                   best_waste = waste;
                   best = prev;
@@ -441,7 +437,7 @@ static stbrp__findresult stbrp__skyline_find_best_pos(stbrp_context *c, int widt
             }
          }
          tail = tail->next;
-      }         
+      }
    }
 
    fr.prev_link = best;
@@ -529,7 +525,6 @@ static stbrp__findresult stbrp__skyline_pack_rectangle(stbrp_context *context, i
    return res;
 }
 
-// [DEAR IMGUI] Added STBRP__CDECL
 static int STBRP__CDECL rect_height_compare(const void *a, const void *b)
 {
    const stbrp_rect *p = (const stbrp_rect *) a;
@@ -541,7 +536,6 @@ static int STBRP__CDECL rect_height_compare(const void *a, const void *b)
    return (p->w > q->w) ? -1 : (p->w < q->w);
 }
 
-// [DEAR IMGUI] Added STBRP__CDECL
 static int STBRP__CDECL rect_original_order(const void *a, const void *b)
 {
    const stbrp_rect *p = (const stbrp_rect *) a;
@@ -549,12 +543,6 @@ static int STBRP__CDECL rect_original_order(const void *a, const void *b)
    return (p->was_packed < q->was_packed) ? -1 : (p->was_packed > q->was_packed);
 }
 
-#ifdef STBRP_LARGE_RECTS
-#define STBRP__MAXVAL  0xffffffff
-#else
-#define STBRP__MAXVAL  0xffff
-#endif
-
 STBRP_DEF int stbrp_pack_rects(stbrp_context *context, stbrp_rect *rects, int num_rects)
 {
    int i, all_rects_packed = 1;
@@ -602,38 +590,38 @@ This software is available under 2 licenses -- choose whichever you prefer.
 ------------------------------------------------------------------------------
 ALTERNATIVE A - MIT License
 Copyright (c) 2017 Sean Barrett
-Permission is hereby granted, free of charge, to any person obtaining a copy of 
-this software and associated documentation files (the "Software"), to deal in 
-the Software without restriction, including without limitation the rights to 
-use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies 
-of the Software, and to permit persons to whom the Software is furnished to do 
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+of the Software, and to permit persons to whom the Software is furnished to do
 so, subject to the following conditions:
-The above copyright notice and this permission notice shall be included in all 
+The above copyright notice and this permission notice shall be included in all
 copies or substantial portions of the Software.
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 SOFTWARE.
 ------------------------------------------------------------------------------
 ALTERNATIVE B - Public Domain (www.unlicense.org)
 This is free and unencumbered software released into the public domain.
-Anyone is free to copy, modify, publish, use, compile, sell, or distribute this 
-software, either in source code form or as a compiled binary, for any purpose, 
+Anyone is free to copy, modify, publish, use, compile, sell, or distribute this
+software, either in source code form or as a compiled binary, for any purpose,
 commercial or non-commercial, and by any means.
-In jurisdictions that recognize copyright laws, the author or authors of this 
-software dedicate any and all copyright interest in the software to the public 
-domain. We make this dedication for the benefit of the public at large and to 
-the detriment of our heirs and successors. We intend this dedication to be an 
-overt act of relinquishment in perpetuity of all present and future rights to 
+In jurisdictions that recognize copyright laws, the author or authors of this
+software dedicate any and all copyright interest in the software to the public
+domain. We make this dedication for the benefit of the public at large and to
+the detriment of our heirs and successors. We intend this dedication to be an
+overt act of relinquishment in perpetuity of all present and future rights to
 this software under copyright law.
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 
-AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 
-ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 ------------------------------------------------------------------------------
 */

skeleton/imgui/imstb_textedit.h

@@ -1,10 +1,14 @@
 // [DEAR IMGUI]
-// This is a slightly modified version of stb_textedit.h 1.13. 
+// This is a slightly modified version of stb_textedit.h 1.14.
 // Those changes would need to be pushed into nothings/stb:
 // - Fix in stb_textedit_discard_redo (see https://github.com/nothings/stb/issues/321)
+// - Fix in stb_textedit_find_charpos to handle last line (see https://github.com/ocornut/imgui/issues/6000 + #6783)
+// - Added name to struct or it may be forward declared in our code.
+// - Added UTF-8 support (see https://github.com/nothings/stb/issues/188 + https://github.com/ocornut/imgui/pull/7925)
 // Grep for [DEAR IMGUI] to find the changes.
+// - Also renamed macros used or defined outside of IMSTB_TEXTEDIT_IMPLEMENTATION block from STB_TEXTEDIT_* to IMSTB_TEXTEDIT_*
 
-// stb_textedit.h - v1.13  - public domain - Sean Barrett
+// stb_textedit.h - v1.14  - public domain - Sean Barrett
 // Development of this library was sponsored by RAD Game Tools
 //
 // This C header file implements the guts of a multi-line text-editing
@@ -19,7 +23,7 @@
 // texts, as its performance does not scale and it has limited undo).
 //
 // Non-trivial behaviors are modelled after Windows text controls.
-// 
+//
 //
 // LICENSE
 //
@@ -29,16 +33,17 @@
 // DEPENDENCIES
 //
 // Uses the C runtime function 'memmove', which you can override
-// by defining STB_TEXTEDIT_memmove before the implementation.
+// by defining IMSTB_TEXTEDIT_memmove before the implementation.
 // Uses no other functions. Performs no runtime allocations.
 //
 //
 // VERSION HISTORY
 //
+//   1.14 (2021-07-11) page up/down, various fixes
 //   1.13 (2019-02-07) fix bug in undo size management
 //   1.12 (2018-01-29) user can change STB_TEXTEDIT_KEYTYPE, fix redo to avoid crash
 //   1.11 (2017-03-03) fix HOME on last line, dragging off single-line textfield
-//   1.10 (2016-10-25) supress warnings about casting away const with -Wcast-qual
+//   1.10 (2016-10-25) suppress warnings about casting away const with -Wcast-qual
 //   1.9  (2016-08-27) customizable move-by-word
 //   1.8  (2016-04-02) better keyboard handling when mouse button is down
 //   1.7  (2015-09-13) change y range handling in case baseline is non-0
@@ -58,6 +63,7 @@
 //   Ulf Winklemann: move-by-word in 1.1
 //   Fabian Giesen: secondary key inputs in 1.5
 //   Martins Mozeiko: STB_TEXTEDIT_memmove in 1.6
+//   Louis Schnellbach: page up/down in 1.14
 //
 //   Bugfixes:
 //      Scott Graham
@@ -93,8 +99,8 @@
 //   moderate sizes. The undo system does no memory allocations, so
 //   it grows STB_TexteditState by the worst-case storage which is (in bytes):
 //
-//        [4 + 3 * sizeof(STB_TEXTEDIT_POSITIONTYPE)] * STB_TEXTEDIT_UNDOSTATE_COUNT
-//      +          sizeof(STB_TEXTEDIT_CHARTYPE)      * STB_TEXTEDIT_UNDOCHAR_COUNT
+//        [4 + 3 * sizeof(STB_TEXTEDIT_POSITIONTYPE)] * STB_TEXTEDIT_UNDOSTATECOUNT
+//      +          sizeof(STB_TEXTEDIT_CHARTYPE)      * STB_TEXTEDIT_UNDOCHARCOUNT
 //
 //
 // Implementation mode:
@@ -135,6 +141,7 @@
 //                                        with previous char)
 //    STB_TEXTEDIT_KEYTOTEXT(k)         maps a keyboard input to an insertable character
 //                                        (return type is int, -1 means not valid to insert)
+//                                        (not supported if you want to use UTF-8, see below)
 //    STB_TEXTEDIT_GETCHAR(obj,i)       returns the i'th character of obj, 0-based
 //    STB_TEXTEDIT_NEWLINE              the character returned by _GETCHAR() we recognize
 //                                        as manually wordwrapping for end-of-line positioning
@@ -172,6 +179,13 @@
 //    STB_TEXTEDIT_K_TEXTSTART2          secondary keyboard input to move cursor to start of text
 //    STB_TEXTEDIT_K_TEXTEND2            secondary keyboard input to move cursor to end of text
 //
+// To support UTF-8:
+//
+//    STB_TEXTEDIT_GETPREVCHARINDEX      returns index of previous character 
+//    STB_TEXTEDIT_GETNEXTCHARINDEX      returns index of next character 
+//    Do NOT define STB_TEXTEDIT_KEYTOTEXT.
+//    Instead, call stb_textedit_text() directly for text contents. 
+//
 // Keyboard input must be encoded as a single integer value; e.g. a character code
 // and some bitflags that represent shift states. to simplify the interface, SHIFT must
 // be a bitflag, so we can test the shifted state of cursor movements to allow selection,
@@ -205,6 +219,7 @@
 //    int  stb_textedit_cut(STB_TEXTEDIT_STRING *str, STB_TexteditState *state)
 //    int  stb_textedit_paste(STB_TEXTEDIT_STRING *str, STB_TexteditState *state, STB_TEXTEDIT_CHARTYPE *text, int len)
 //    void stb_textedit_key(STB_TEXTEDIT_STRING *str, STB_TexteditState *state, STB_TEXEDIT_KEYTYPE key)
+//    void stb_textedit_text(STB_TEXTEDIT_STRING *str, STB_TexteditState *state, STB_TEXTEDIT_CHARTYPE *text, int text_len)
 //
 //    Each of these functions potentially updates the string and updates the
 //    state.
@@ -217,20 +232,20 @@
 //          call this with the mouse x,y on a mouse down; it will update the cursor
 //          and reset the selection start/end to the cursor point. the x,y must
 //          be relative to the text widget, with (0,0) being the top left.
-//     
+//
 //      drag:
 //          call this with the mouse x,y on a mouse drag/up; it will update the
 //          cursor and the selection end point
-//     
+//
 //      cut:
 //          call this to delete the current selection; returns true if there was
 //          one. you should FIRST copy the current selection to the system paste buffer.
 //          (To copy, just copy the current selection out of the string yourself.)
-//     
+//
 //      paste:
 //          call this to paste text at the current cursor point or over the current
 //          selection if there is one.
-//     
+//
 //      key:
 //          call this for keyboard inputs sent to the textfield. you can use it
 //          for "key down" events or for "translated" key events. if you need to
@@ -239,9 +254,16 @@
 //          various definitions like STB_TEXTEDIT_K_LEFT have the is-key-event bit
 //          set, and make STB_TEXTEDIT_KEYTOCHAR check that the is-key-event bit is
 //          clear. STB_TEXTEDIT_KEYTYPE defaults to int, but you can #define it to
-//          anything other type you wante before including.
+//          anything other type you want before including.
+//          if the STB_TEXTEDIT_KEYTOTEXT function is defined, selected keys are
+//          transformed into text and stb_textedit_text() is automatically called.
+//
+//      text: (added 2025)
+//          call this to directly send text input the textfield, which is required
+//          for UTF-8 support, because stb_textedit_key() + STB_TEXTEDIT_KEYTOTEXT() 
+//          cannot infer text length.
+//
 //
-//     
 //   When rendering, you can read the cursor position and selection state from
 //   the STB_TexteditState.
 //
@@ -271,8 +293,8 @@
 ////
 ////
 
-#ifndef INCLUDE_STB_TEXTEDIT_H
-#define INCLUDE_STB_TEXTEDIT_H
+#ifndef INCLUDE_IMSTB_TEXTEDIT_H
+#define INCLUDE_IMSTB_TEXTEDIT_H
 
 ////////////////////////////////////////////////////////////////////////
 //
@@ -283,38 +305,38 @@
 // and undo state.
 //
 
-#ifndef STB_TEXTEDIT_UNDOSTATECOUNT
-#define STB_TEXTEDIT_UNDOSTATECOUNT   99
+#ifndef IMSTB_TEXTEDIT_UNDOSTATECOUNT
+#define IMSTB_TEXTEDIT_UNDOSTATECOUNT   99
 #endif
-#ifndef STB_TEXTEDIT_UNDOCHARCOUNT
-#define STB_TEXTEDIT_UNDOCHARCOUNT   999
+#ifndef IMSTB_TEXTEDIT_UNDOCHARCOUNT
+#define IMSTB_TEXTEDIT_UNDOCHARCOUNT   999
 #endif
-#ifndef STB_TEXTEDIT_CHARTYPE
-#define STB_TEXTEDIT_CHARTYPE        int
+#ifndef IMSTB_TEXTEDIT_CHARTYPE
+#define IMSTB_TEXTEDIT_CHARTYPE        int
 #endif
-#ifndef STB_TEXTEDIT_POSITIONTYPE
-#define STB_TEXTEDIT_POSITIONTYPE    int
+#ifndef IMSTB_TEXTEDIT_POSITIONTYPE
+#define IMSTB_TEXTEDIT_POSITIONTYPE    int
 #endif
 
 typedef struct
 {
    // private data
-   STB_TEXTEDIT_POSITIONTYPE  where;
-   STB_TEXTEDIT_POSITIONTYPE  insert_length;
-   STB_TEXTEDIT_POSITIONTYPE  delete_length;
+   IMSTB_TEXTEDIT_POSITIONTYPE  where;
+   IMSTB_TEXTEDIT_POSITIONTYPE  insert_length;
+   IMSTB_TEXTEDIT_POSITIONTYPE  delete_length;
    int                        char_storage;
 } StbUndoRecord;
 
 typedef struct
 {
    // private data
-   StbUndoRecord          undo_rec [STB_TEXTEDIT_UNDOSTATECOUNT];
-   STB_TEXTEDIT_CHARTYPE  undo_char[STB_TEXTEDIT_UNDOCHARCOUNT];
+   StbUndoRecord          undo_rec [IMSTB_TEXTEDIT_UNDOSTATECOUNT];
+   IMSTB_TEXTEDIT_CHARTYPE  undo_char[IMSTB_TEXTEDIT_UNDOCHARCOUNT];
    short undo_point, redo_point;
    int undo_char_point, redo_char_point;
 } StbUndoState;
 
-typedef struct
+typedef struct STB_TexteditState
 {
    /////////////////////
    //
@@ -368,7 +390,7 @@ typedef struct
    float ymin,ymax;         // height of row above and below baseline
    int num_chars;
 } StbTexteditRow;
-#endif //INCLUDE_STB_TEXTEDIT_H
+#endif //INCLUDE_IMSTB_TEXTEDIT_H
 
 
 ////////////////////////////////////////////////////////////////////////////
@@ -381,13 +403,23 @@ typedef struct
 
 // implementation isn't include-guarded, since it might have indirectly
 // included just the "header" portion
-#ifdef STB_TEXTEDIT_IMPLEMENTATION
+#ifdef IMSTB_TEXTEDIT_IMPLEMENTATION
 
-#ifndef STB_TEXTEDIT_memmove
+#ifndef IMSTB_TEXTEDIT_memmove
 #include <string.h>
-#define STB_TEXTEDIT_memmove memmove
+#define IMSTB_TEXTEDIT_memmove memmove
 #endif
 
+// [DEAR IMGUI]
+// Functions must be implemented for UTF8 support
+// Code in this file that uses those functions is modified for [DEAR IMGUI] and deviates from the original stb_textedit.
+// There is not necessarily a '[DEAR IMGUI]' at the usage sites.
+#ifndef IMSTB_TEXTEDIT_GETPREVCHARINDEX
+#define IMSTB_TEXTEDIT_GETPREVCHARINDEX(OBJ, IDX) ((IDX) - 1)
+#endif
+#ifndef IMSTB_TEXTEDIT_GETNEXTCHARINDEX
+#define IMSTB_TEXTEDIT_GETNEXTCHARINDEX(OBJ, IDX) ((IDX) + 1)
+#endif
 
 /////////////////////////////////////////////////////////////////////////////
 //
@@ -395,7 +427,7 @@ typedef struct
 //
 
 // traverse the layout to locate the nearest character to a display position
-static int stb_text_locate_coord(STB_TEXTEDIT_STRING *str, float x, float y)
+static int stb_text_locate_coord(IMSTB_TEXTEDIT_STRING *str, float x, float y)
 {
    StbTexteditRow r;
    int n = STB_TEXTEDIT_STRINGLEN(str);
@@ -434,13 +466,13 @@ static int stb_text_locate_coord(STB_TEXTEDIT_STRING *str, float x, float y)
    if (x < r.x1) {
       // search characters in row for one that straddles 'x'
       prev_x = r.x0;
-      for (k=0; k < r.num_chars; ++k) {
+      for (k=0; k < r.num_chars; k = IMSTB_TEXTEDIT_GETNEXTCHARINDEX(str, i + k) - i) {
          float w = STB_TEXTEDIT_GETWIDTH(str, i, k);
          if (x < prev_x+w) {
             if (x < prev_x+w/2)
                return k+i;
             else
-               return k+i+1;
+               return IMSTB_TEXTEDIT_GETNEXTCHARINDEX(str, i + k);
          }
          prev_x += w;
       }
@@ -455,7 +487,7 @@ static int stb_text_locate_coord(STB_TEXTEDIT_STRING *str, float x, float y)
 }
 
 // API click: on mouse down, move the cursor to the clicked location, and reset the selection
-static void stb_textedit_click(STB_TEXTEDIT_STRING *str, STB_TexteditState *state, float x, float y)
+static void stb_textedit_click(IMSTB_TEXTEDIT_STRING *str, STB_TexteditState *state, float x, float y)
 {
    // In single-line mode, just always make y = 0. This lets the drag keep working if the mouse
    // goes off the top or bottom of the text
@@ -473,7 +505,7 @@ static void stb_textedit_click(STB_TEXTEDIT_STRING *str, STB_TexteditState *stat
 }
 
 // API drag: on mouse drag, move the cursor and selection endpoint to the clicked location
-static void stb_textedit_drag(STB_TEXTEDIT_STRING *str, STB_TexteditState *state, float x, float y)
+static void stb_textedit_drag(IMSTB_TEXTEDIT_STRING *str, STB_TexteditState *state, float x, float y)
 {
    int p = 0;
 
@@ -499,11 +531,11 @@ static void stb_textedit_drag(STB_TEXTEDIT_STRING *str, STB_TexteditState *state
 //
 
 // forward declarations
-static void stb_text_undo(STB_TEXTEDIT_STRING *str, STB_TexteditState *state);
-static void stb_text_redo(STB_TEXTEDIT_STRING *str, STB_TexteditState *state);
-static void stb_text_makeundo_delete(STB_TEXTEDIT_STRING *str, STB_TexteditState *state, int where, int length);
+static void stb_text_undo(IMSTB_TEXTEDIT_STRING *str, STB_TexteditState *state);
+static void stb_text_redo(IMSTB_TEXTEDIT_STRING *str, STB_TexteditState *state);
+static void stb_text_makeundo_delete(IMSTB_TEXTEDIT_STRING *str, STB_TexteditState *state, int where, int length);
 static void stb_text_makeundo_insert(STB_TexteditState *state, int where, int length);
-static void stb_text_makeundo_replace(STB_TEXTEDIT_STRING *str, STB_TexteditState *state, int where, int old_length, int new_length);
+static void stb_text_makeundo_replace(IMSTB_TEXTEDIT_STRING *str, STB_TexteditState *state, int where, int old_length, int new_length);
 
 typedef struct
 {
@@ -515,36 +547,21 @@ typedef struct
 
 // find the x/y location of a character, and remember info about the previous row in
 // case we get a move-up event (for page up, we'll have to rescan)
-static void stb_textedit_find_charpos(StbFindState *find, STB_TEXTEDIT_STRING *str, int n, int single_line)
+static void stb_textedit_find_charpos(StbFindState *find, IMSTB_TEXTEDIT_STRING *str, int n, int single_line)
 {
    StbTexteditRow r;
    int prev_start = 0;
    int z = STB_TEXTEDIT_STRINGLEN(str);
    int i=0, first;
 
-   if (n == z) {
-      // if it's at the end, then find the last line -- simpler than trying to
-      // explicitly handle this case in the regular code
-      if (single_line) {
-         STB_TEXTEDIT_LAYOUTROW(&r, str, 0);
-         find->y = 0;
-         find->first_char = 0;
-         find->length = z;
-         find->height = r.ymax - r.ymin;
-         find->x = r.x1;
-      } else {
-         find->y = 0;
-         find->x = 0;
-         find->height = 1;
-         while (i < z) {
-            STB_TEXTEDIT_LAYOUTROW(&r, str, i);
-            prev_start = i;
-            i += r.num_chars;
-         }
-         find->first_char = i;
-         find->length = 0;
-         find->prev_first = prev_start;
-      }
+   if (n == z && single_line) {
+      // special case if it's at the end (may not be needed?)
+      STB_TEXTEDIT_LAYOUTROW(&r, str, 0);
+      find->y = 0;
+      find->first_char = 0;
+      find->length = z;
+      find->height = r.ymax - r.ymin;
+      find->x = r.x1;
       return;
    }
 
@@ -555,9 +572,16 @@ static void stb_textedit_find_charpos(StbFindState *find, STB_TEXTEDIT_STRING *s
       STB_TEXTEDIT_LAYOUTROW(&r, str, i);
       if (n < i + r.num_chars)
          break;
+      if (i + r.num_chars == z && z > 0 && STB_TEXTEDIT_GETCHAR(str, z - 1) != STB_TEXTEDIT_NEWLINE)  // [DEAR IMGUI] special handling for last line
+         break;   // [DEAR IMGUI]
       prev_start = i;
       i += r.num_chars;
       find->y += r.baseline_y_delta;
+      if (i == z) // [DEAR IMGUI]
+      {
+         r.num_chars = 0; // [DEAR IMGUI]
+         break;   // [DEAR IMGUI]
+      }
    }
 
    find->first_char = first = i;
@@ -567,14 +591,14 @@ static void stb_textedit_find_charpos(StbFindState *find, STB_TEXTEDIT_STRING *s
 
    // now scan to find xpos
    find->x = r.x0;
-   for (i=0; first+i < n; ++i)
+   for (i=0; first+i < n; i = IMSTB_TEXTEDIT_GETNEXTCHARINDEX(str, first + i) - first)
       find->x += STB_TEXTEDIT_GETWIDTH(str, first, i);
 }
 
 #define STB_TEXT_HAS_SELECTION(s)   ((s)->select_start != (s)->select_end)
 
 // make the selection/cursor state valid if client altered the string
-static void stb_textedit_clamp(STB_TEXTEDIT_STRING *str, STB_TexteditState *state)
+static void stb_textedit_clamp(IMSTB_TEXTEDIT_STRING *str, STB_TexteditState *state)
 {
    int n = STB_TEXTEDIT_STRINGLEN(str);
    if (STB_TEXT_HAS_SELECTION(state)) {
@@ -588,7 +612,7 @@ static void stb_textedit_clamp(STB_TEXTEDIT_STRING *str, STB_TexteditState *stat
 }
 
 // delete characters while updating undo
-static void stb_textedit_delete(STB_TEXTEDIT_STRING *str, STB_TexteditState *state, int where, int len)
+static void stb_textedit_delete(IMSTB_TEXTEDIT_STRING *str, STB_TexteditState *state, int where, int len)
 {
    stb_text_makeundo_delete(str, state, where, len);
    STB_TEXTEDIT_DELETECHARS(str, where, len);
@@ -596,7 +620,7 @@ static void stb_textedit_delete(STB_TEXTEDIT_STRING *str, STB_TexteditState *sta
 }
 
 // delete the section
-static void stb_textedit_delete_selection(STB_TEXTEDIT_STRING *str, STB_TexteditState *state)
+static void stb_textedit_delete_selection(IMSTB_TEXTEDIT_STRING *str, STB_TexteditState *state)
 {
    stb_textedit_clamp(str, state);
    if (STB_TEXT_HAS_SELECTION(state)) {
@@ -633,7 +657,7 @@ static void stb_textedit_move_to_first(STB_TexteditState *state)
 }
 
 // move cursor to last character of selection
-static void stb_textedit_move_to_last(STB_TEXTEDIT_STRING *str, STB_TexteditState *state)
+static void stb_textedit_move_to_last(IMSTB_TEXTEDIT_STRING *str, STB_TexteditState *state)
 {
    if (STB_TEXT_HAS_SELECTION(state)) {
       stb_textedit_sortselection(state);
@@ -645,17 +669,17 @@ static void stb_textedit_move_to_last(STB_TEXTEDIT_STRING *str, STB_TexteditStat
 }
 
 #ifdef STB_TEXTEDIT_IS_SPACE
-static int is_word_boundary( STB_TEXTEDIT_STRING *str, int idx )
+static int is_word_boundary( IMSTB_TEXTEDIT_STRING *str, int idx )
 {
    return idx > 0 ? (STB_TEXTEDIT_IS_SPACE( STB_TEXTEDIT_GETCHAR(str,idx-1) ) && !STB_TEXTEDIT_IS_SPACE( STB_TEXTEDIT_GETCHAR(str, idx) ) ) : 1;
 }
 
 #ifndef STB_TEXTEDIT_MOVEWORDLEFT
-static int stb_textedit_move_to_word_previous( STB_TEXTEDIT_STRING *str, int c )
+static int stb_textedit_move_to_word_previous( IMSTB_TEXTEDIT_STRING *str, int c )
 {
-   --c; // always move at least one character
-   while( c >= 0 && !is_word_boundary( str, c ) )
-      --c;
+   c = IMSTB_TEXTEDIT_GETPREVCHARINDEX( str, c ); // always move at least one character
+   while (c >= 0 && !is_word_boundary(str, c))
+      c = IMSTB_TEXTEDIT_GETPREVCHARINDEX(str, c);
 
    if( c < 0 )
       c = 0;
@@ -666,12 +690,12 @@ static int stb_textedit_move_to_word_previous( STB_TEXTEDIT_STRING *str, int c )
 #endif
 
 #ifndef STB_TEXTEDIT_MOVEWORDRIGHT
-static int stb_textedit_move_to_word_next( STB_TEXTEDIT_STRING *str, int c )
+static int stb_textedit_move_to_word_next( IMSTB_TEXTEDIT_STRING *str, int c )
 {
    const int len = STB_TEXTEDIT_STRINGLEN(str);
-   ++c; // always move at least one character
+   c = IMSTB_TEXTEDIT_GETNEXTCHARINDEX(str, c); // always move at least one character
    while( c < len && !is_word_boundary( str, c ) )
-      ++c;
+      c = IMSTB_TEXTEDIT_GETNEXTCHARINDEX(str, c);
 
    if( c > len )
       c = len;
@@ -693,7 +717,7 @@ static void stb_textedit_prep_selection_at_cursor(STB_TexteditState *state)
 }
 
 // API cut: delete selection
-static int stb_textedit_cut(STB_TEXTEDIT_STRING *str, STB_TexteditState *state)
+static int stb_textedit_cut(IMSTB_TEXTEDIT_STRING *str, STB_TexteditState *state)
 {
    if (STB_TEXT_HAS_SELECTION(state)) {
       stb_textedit_delete_selection(str,state); // implicitly clamps
@@ -704,7 +728,7 @@ static int stb_textedit_cut(STB_TEXTEDIT_STRING *str, STB_TexteditState *state)
 }
 
 // API paste: replace existing selection with passed-in text
-static int stb_textedit_paste_internal(STB_TEXTEDIT_STRING *str, STB_TexteditState *state, STB_TEXTEDIT_CHARTYPE *text, int len)
+static int stb_textedit_paste_internal(IMSTB_TEXTEDIT_STRING *str, STB_TexteditState *state, IMSTB_TEXTEDIT_CHARTYPE *text, int len)
 {
    // if there's a selection, the paste should delete it
    stb_textedit_clamp(str, state);
@@ -716,9 +740,7 @@ static int stb_textedit_paste_internal(STB_TEXTEDIT_STRING *str, STB_TexteditSta
       state->has_preferred_x = 0;
       return 1;
    }
-   // remove the undo since we didn't actually insert the characters
-   if (state->undostate.undo_point)
-      --state->undostate.undo_point;
+   // note: paste failure will leave deleted selection, may be restored with an undo (see https://github.com/nothings/stb/issues/734 for details)
    return 0;
 }
 
@@ -726,36 +748,45 @@ static int stb_textedit_paste_internal(STB_TEXTEDIT_STRING *str, STB_TexteditSta
 #define STB_TEXTEDIT_KEYTYPE int
 #endif
 
+// API key: process text input
+// [DEAR IMGUI] Added stb_textedit_text(), extracted out and called by stb_textedit_key() for backward compatibility.
+static void stb_textedit_text(IMSTB_TEXTEDIT_STRING* str, STB_TexteditState* state, const IMSTB_TEXTEDIT_CHARTYPE* text, int text_len)
+{
+   // can't add newline in single-line mode
+   if (text[0] == '\n' && state->single_line)
+      return;
+
+   if (state->insert_mode && !STB_TEXT_HAS_SELECTION(state) && state->cursor < STB_TEXTEDIT_STRINGLEN(str)) {
+      stb_text_makeundo_replace(str, state, state->cursor, 1, 1);
+      STB_TEXTEDIT_DELETECHARS(str, state->cursor, 1);
+      if (STB_TEXTEDIT_INSERTCHARS(str, state->cursor, text, text_len)) {
+         state->cursor += text_len;
+         state->has_preferred_x = 0;
+      }
+   } else {
+      stb_textedit_delete_selection(str, state); // implicitly clamps
+      if (STB_TEXTEDIT_INSERTCHARS(str, state->cursor, text, text_len)) {
+         stb_text_makeundo_insert(state, state->cursor, text_len);
+         state->cursor += text_len;
+         state->has_preferred_x = 0;
+      }
+   }
+}
+
 // API key: process a keyboard input
-static void stb_textedit_key(STB_TEXTEDIT_STRING *str, STB_TexteditState *state, STB_TEXTEDIT_KEYTYPE key)
+static void stb_textedit_key(IMSTB_TEXTEDIT_STRING *str, STB_TexteditState *state, STB_TEXTEDIT_KEYTYPE key)
 {
 retry:
    switch (key) {
       default: {
+#ifdef STB_TEXTEDIT_KEYTOTEXT
+         // This is not suitable for UTF-8 support.
          int c = STB_TEXTEDIT_KEYTOTEXT(key);
          if (c > 0) {
-            STB_TEXTEDIT_CHARTYPE ch = (STB_TEXTEDIT_CHARTYPE) c;
-
-            // can't add newline in single-line mode
-            if (c == '\n' && state->single_line)
-               break;
-
-            if (state->insert_mode && !STB_TEXT_HAS_SELECTION(state) && state->cursor < STB_TEXTEDIT_STRINGLEN(str)) {
-               stb_text_makeundo_replace(str, state, state->cursor, 1, 1);
-               STB_TEXTEDIT_DELETECHARS(str, state->cursor, 1);
-               if (STB_TEXTEDIT_INSERTCHARS(str, state->cursor, &ch, 1)) {
-                  ++state->cursor;
-                  state->has_preferred_x = 0;
-               }
-            } else {
-               stb_textedit_delete_selection(str,state); // implicitly clamps
-               if (STB_TEXTEDIT_INSERTCHARS(str, state->cursor, &ch, 1)) {
-                  stb_text_makeundo_insert(state, state->cursor, 1);
-                  ++state->cursor;
-                  state->has_preferred_x = 0;
-               }
-            }
+            IMSTB_TEXTEDIT_CHARTYPE ch = (IMSTB_TEXTEDIT_CHARTYPE)c;
+            stb_textedit_text(str, state, &ch, 1);
          }
+#endif
          break;
       }
 
@@ -764,7 +795,7 @@ retry:
          state->insert_mode = !state->insert_mode;
          break;
 #endif
-         
+
       case STB_TEXTEDIT_K_UNDO:
          stb_text_undo(str, state);
          state->has_preferred_x = 0;
@@ -779,9 +810,9 @@ retry:
          // if currently there's a selection, move cursor to start of selection
          if (STB_TEXT_HAS_SELECTION(state))
             stb_textedit_move_to_first(state);
-         else 
+         else
             if (state->cursor > 0)
-               --state->cursor;
+               state->cursor = IMSTB_TEXTEDIT_GETPREVCHARINDEX(str, state->cursor);
          state->has_preferred_x = 0;
          break;
 
@@ -790,7 +821,7 @@ retry:
          if (STB_TEXT_HAS_SELECTION(state))
             stb_textedit_move_to_last(str, state);
          else
-            ++state->cursor;
+            state->cursor = IMSTB_TEXTEDIT_GETNEXTCHARINDEX(str, state->cursor);
          stb_textedit_clamp(str, state);
          state->has_preferred_x = 0;
          break;
@@ -800,7 +831,7 @@ retry:
          stb_textedit_prep_selection_at_cursor(state);
          // move selection left
          if (state->select_end > 0)
-            --state->select_end;
+            state->select_end = IMSTB_TEXTEDIT_GETPREVCHARINDEX(str, state->select_end);
          state->cursor = state->select_end;
          state->has_preferred_x = 0;
          break;
@@ -828,7 +859,7 @@ retry:
 
 #ifdef STB_TEXTEDIT_MOVEWORDRIGHT
       case STB_TEXTEDIT_K_WORDRIGHT:
-         if (STB_TEXT_HAS_SELECTION(state)) 
+         if (STB_TEXT_HAS_SELECTION(state))
             stb_textedit_move_to_last(str, state);
          else {
             state->cursor = STB_TEXTEDIT_MOVEWORDRIGHT(str, state->cursor);
@@ -850,7 +881,7 @@ retry:
       case STB_TEXTEDIT_K_RIGHT | STB_TEXTEDIT_K_SHIFT:
          stb_textedit_prep_selection_at_cursor(state);
          // move selection right
-         ++state->select_end;
+         state->select_end = IMSTB_TEXTEDIT_GETNEXTCHARINDEX(str, state->select_end);
          stb_textedit_clamp(str, state);
          state->cursor = state->select_end;
          state->has_preferred_x = 0;
@@ -897,16 +928,18 @@ retry:
             state->cursor = start;
             STB_TEXTEDIT_LAYOUTROW(&row, str, state->cursor);
             x = row.x0;
-            for (i=0; i < row.num_chars; ++i) {
+            for (i=0; i < row.num_chars; ) {
                float dx = STB_TEXTEDIT_GETWIDTH(str, start, i);
-               #ifdef STB_TEXTEDIT_GETWIDTH_NEWLINE
-               if (dx == STB_TEXTEDIT_GETWIDTH_NEWLINE)
+               int next = IMSTB_TEXTEDIT_GETNEXTCHARINDEX(str, state->cursor);
+               #ifdef IMSTB_TEXTEDIT_GETWIDTH_NEWLINE
+               if (dx == IMSTB_TEXTEDIT_GETWIDTH_NEWLINE)
                   break;
                #endif
                x += dx;
                if (x > goal_x)
                   break;
-               ++state->cursor;
+               i += next - state->cursor;
+               state->cursor = next;
             }
             stb_textedit_clamp(str, state);
 
@@ -922,7 +955,7 @@ retry:
          }
          break;
       }
-         
+
       case STB_TEXTEDIT_K_UP:
       case STB_TEXTEDIT_K_UP | STB_TEXTEDIT_K_SHIFT:
       case STB_TEXTEDIT_K_PGUP:
@@ -959,16 +992,18 @@ retry:
             state->cursor = find.prev_first;
             STB_TEXTEDIT_LAYOUTROW(&row, str, state->cursor);
             x = row.x0;
-            for (i=0; i < row.num_chars; ++i) {
+            for (i=0; i < row.num_chars; ) {
                float dx = STB_TEXTEDIT_GETWIDTH(str, find.prev_first, i);
-               #ifdef STB_TEXTEDIT_GETWIDTH_NEWLINE
-               if (dx == STB_TEXTEDIT_GETWIDTH_NEWLINE)
+               int next = IMSTB_TEXTEDIT_GETNEXTCHARINDEX(str, state->cursor);
+               #ifdef IMSTB_TEXTEDIT_GETWIDTH_NEWLINE
+               if (dx == IMSTB_TEXTEDIT_GETWIDTH_NEWLINE)
                   break;
                #endif
                x += dx;
                if (x > goal_x)
                   break;
-               ++state->cursor;
+               i += next - state->cursor;
+               state->cursor = next;
             }
             stb_textedit_clamp(str, state);
 
@@ -981,8 +1016,13 @@ retry:
             // go to previous line
             // (we need to scan previous line the hard way. maybe we could expose this as a new API function?)
             prev_scan = find.prev_first > 0 ? find.prev_first - 1 : 0;
-            while (prev_scan > 0 && STB_TEXTEDIT_GETCHAR(str, prev_scan - 1) != STB_TEXTEDIT_NEWLINE)
-               --prev_scan;
+            while (prev_scan > 0)
+            {
+               int prev = IMSTB_TEXTEDIT_GETPREVCHARINDEX(str, prev_scan);
+               if (STB_TEXTEDIT_GETCHAR(str, prev) == STB_TEXTEDIT_NEWLINE)
+                  break;
+               prev_scan = prev;
+            }
             find.first_char = find.prev_first;
             find.prev_first = prev_scan;
          }
@@ -996,7 +1036,7 @@ retry:
          else {
             int n = STB_TEXTEDIT_STRINGLEN(str);
             if (state->cursor < n)
-               stb_textedit_delete(str, state, state->cursor, 1);
+               stb_textedit_delete(str, state, state->cursor, IMSTB_TEXTEDIT_GETNEXTCHARINDEX(str, state->cursor) - state->cursor);
          }
          state->has_preferred_x = 0;
          break;
@@ -1008,13 +1048,14 @@ retry:
          else {
             stb_textedit_clamp(str, state);
             if (state->cursor > 0) {
-               stb_textedit_delete(str, state, state->cursor-1, 1);
-               --state->cursor;
+               int prev = IMSTB_TEXTEDIT_GETPREVCHARINDEX(str, state->cursor);
+               stb_textedit_delete(str, state, prev, state->cursor - prev);
+               state->cursor = prev;
             }
          }
          state->has_preferred_x = 0;
          break;
-         
+
 #ifdef STB_TEXTEDIT_K_TEXTSTART2
       case STB_TEXTEDIT_K_TEXTSTART2:
 #endif
@@ -1031,7 +1072,7 @@ retry:
          state->select_start = state->select_end = 0;
          state->has_preferred_x = 0;
          break;
-        
+
 #ifdef STB_TEXTEDIT_K_TEXTSTART2
       case STB_TEXTEDIT_K_TEXTSTART2 | STB_TEXTEDIT_K_SHIFT:
 #endif
@@ -1060,7 +1101,7 @@ retry:
          if (state->single_line)
             state->cursor = 0;
          else while (state->cursor > 0 && STB_TEXTEDIT_GETCHAR(str, state->cursor-1) != STB_TEXTEDIT_NEWLINE)
-            --state->cursor;
+            state->cursor = IMSTB_TEXTEDIT_GETPREVCHARINDEX(str, state->cursor);
          state->has_preferred_x = 0;
          break;
 
@@ -1072,9 +1113,9 @@ retry:
          stb_textedit_clamp(str, state);
          stb_textedit_move_to_first(state);
          if (state->single_line)
-             state->cursor = n;
+            state->cursor = n;
          else while (state->cursor < n && STB_TEXTEDIT_GETCHAR(str, state->cursor) != STB_TEXTEDIT_NEWLINE)
-             ++state->cursor;
+            state->cursor = IMSTB_TEXTEDIT_GETNEXTCHARINDEX(str, state->cursor);
          state->has_preferred_x = 0;
          break;
       }
@@ -1088,7 +1129,7 @@ retry:
          if (state->single_line)
             state->cursor = 0;
          else while (state->cursor > 0 && STB_TEXTEDIT_GETCHAR(str, state->cursor-1) != STB_TEXTEDIT_NEWLINE)
-            --state->cursor;
+            state->cursor = IMSTB_TEXTEDIT_GETPREVCHARINDEX(str, state->cursor);
          state->select_end = state->cursor;
          state->has_preferred_x = 0;
          break;
@@ -1103,7 +1144,7 @@ retry:
          if (state->single_line)
              state->cursor = n;
          else while (state->cursor < n && STB_TEXTEDIT_GETCHAR(str, state->cursor) != STB_TEXTEDIT_NEWLINE)
-            ++state->cursor;
+            state->cursor = IMSTB_TEXTEDIT_GETNEXTCHARINDEX(str, state->cursor);
          state->select_end = state->cursor;
          state->has_preferred_x = 0;
          break;
@@ -1119,8 +1160,8 @@ retry:
 
 static void stb_textedit_flush_redo(StbUndoState *state)
 {
-   state->redo_point = STB_TEXTEDIT_UNDOSTATECOUNT;
-   state->redo_char_point = STB_TEXTEDIT_UNDOCHARCOUNT;
+   state->redo_point = IMSTB_TEXTEDIT_UNDOSTATECOUNT;
+   state->redo_char_point = IMSTB_TEXTEDIT_UNDOCHARCOUNT;
 }
 
 // discard the oldest entry in the undo list
@@ -1132,13 +1173,13 @@ static void stb_textedit_discard_undo(StbUndoState *state)
          int n = state->undo_rec[0].insert_length, i;
          // delete n characters from all other records
          state->undo_char_point -= n;
-         STB_TEXTEDIT_memmove(state->undo_char, state->undo_char + n, (size_t) (state->undo_char_point*sizeof(STB_TEXTEDIT_CHARTYPE)));
+         IMSTB_TEXTEDIT_memmove(state->undo_char, state->undo_char + n, (size_t) (state->undo_char_point*sizeof(IMSTB_TEXTEDIT_CHARTYPE)));
          for (i=0; i < state->undo_point; ++i)
             if (state->undo_rec[i].char_storage >= 0)
                state->undo_rec[i].char_storage -= n; // @OPTIMIZE: get rid of char_storage and infer it
       }
       --state->undo_point;
-      STB_TEXTEDIT_memmove(state->undo_rec, state->undo_rec+1, (size_t) (state->undo_point*sizeof(state->undo_rec[0])));
+      IMSTB_TEXTEDIT_memmove(state->undo_rec, state->undo_rec+1, (size_t) (state->undo_point*sizeof(state->undo_rec[0])));
    }
 }
 
@@ -1148,7 +1189,7 @@ static void stb_textedit_discard_undo(StbUndoState *state)
 // fill up even though the undo buffer didn't
 static void stb_textedit_discard_redo(StbUndoState *state)
 {
-   int k = STB_TEXTEDIT_UNDOSTATECOUNT-1;
+   int k = IMSTB_TEXTEDIT_UNDOSTATECOUNT-1;
 
    if (state->redo_point <= k) {
       // if the k'th undo state has characters, clean those up
@@ -1156,7 +1197,7 @@ static void stb_textedit_discard_redo(StbUndoState *state)
          int n = state->undo_rec[k].insert_length, i;
          // move the remaining redo character data to the end of the buffer
          state->redo_char_point += n;
-         STB_TEXTEDIT_memmove(state->undo_char + state->redo_char_point, state->undo_char + state->redo_char_point-n, (size_t) ((STB_TEXTEDIT_UNDOCHARCOUNT - state->redo_char_point)*sizeof(STB_TEXTEDIT_CHARTYPE)));
+         IMSTB_TEXTEDIT_memmove(state->undo_char + state->redo_char_point, state->undo_char + state->redo_char_point-n, (size_t) ((IMSTB_TEXTEDIT_UNDOCHARCOUNT - state->redo_char_point)*sizeof(IMSTB_TEXTEDIT_CHARTYPE)));
          // adjust the position of all the other records to account for above memmove
          for (i=state->redo_point; i < k; ++i)
             if (state->undo_rec[i].char_storage >= 0)
@@ -1164,12 +1205,12 @@ static void stb_textedit_discard_redo(StbUndoState *state)
       }
       // now move all the redo records towards the end of the buffer; the first one is at 'redo_point'
       // [DEAR IMGUI]
-      size_t move_size = (size_t)((STB_TEXTEDIT_UNDOSTATECOUNT - state->redo_point - 1) * sizeof(state->undo_rec[0]));
+      size_t move_size = (size_t)((IMSTB_TEXTEDIT_UNDOSTATECOUNT - state->redo_point - 1) * sizeof(state->undo_rec[0]));
       const char* buf_begin = (char*)state->undo_rec; (void)buf_begin;
       const char* buf_end   = (char*)state->undo_rec + sizeof(state->undo_rec); (void)buf_end;
       IM_ASSERT(((char*)(state->undo_rec + state->redo_point)) >= buf_begin);
       IM_ASSERT(((char*)(state->undo_rec + state->redo_point + 1) + move_size) <= buf_end);
-      STB_TEXTEDIT_memmove(state->undo_rec + state->redo_point+1, state->undo_rec + state->redo_point, move_size);
+      IMSTB_TEXTEDIT_memmove(state->undo_rec + state->redo_point+1, state->undo_rec + state->redo_point, move_size);
 
       // now move redo_point to point to the new one
       ++state->redo_point;
@@ -1183,32 +1224,32 @@ static StbUndoRecord *stb_text_create_undo_record(StbUndoState *state, int numch
 
    // if we have no free records, we have to make room, by sliding the
    // existing records down
-   if (state->undo_point == STB_TEXTEDIT_UNDOSTATECOUNT)
+   if (state->undo_point == IMSTB_TEXTEDIT_UNDOSTATECOUNT)
       stb_textedit_discard_undo(state);
 
    // if the characters to store won't possibly fit in the buffer, we can't undo
-   if (numchars > STB_TEXTEDIT_UNDOCHARCOUNT) {
+   if (numchars > IMSTB_TEXTEDIT_UNDOCHARCOUNT) {
       state->undo_point = 0;
       state->undo_char_point = 0;
       return NULL;
    }
 
    // if we don't have enough free characters in the buffer, we have to make room
-   while (state->undo_char_point + numchars > STB_TEXTEDIT_UNDOCHARCOUNT)
+   while (state->undo_char_point + numchars > IMSTB_TEXTEDIT_UNDOCHARCOUNT)
       stb_textedit_discard_undo(state);
 
    return &state->undo_rec[state->undo_point++];
 }
 
-static STB_TEXTEDIT_CHARTYPE *stb_text_createundo(StbUndoState *state, int pos, int insert_len, int delete_len)
+static IMSTB_TEXTEDIT_CHARTYPE *stb_text_createundo(StbUndoState *state, int pos, int insert_len, int delete_len)
 {
    StbUndoRecord *r = stb_text_create_undo_record(state, insert_len);
    if (r == NULL)
       return NULL;
 
    r->where = pos;
-   r->insert_length = (STB_TEXTEDIT_POSITIONTYPE) insert_len;
-   r->delete_length = (STB_TEXTEDIT_POSITIONTYPE) delete_len;
+   r->insert_length = (IMSTB_TEXTEDIT_POSITIONTYPE) insert_len;
+   r->delete_length = (IMSTB_TEXTEDIT_POSITIONTYPE) delete_len;
 
    if (insert_len == 0) {
       r->char_storage = -1;
@@ -1220,7 +1261,7 @@ static STB_TEXTEDIT_CHARTYPE *stb_text_createundo(StbUndoState *state, int pos,
    }
 }
 
-static void stb_text_undo(STB_TEXTEDIT_STRING *str, STB_TexteditState *state)
+static void stb_text_undo(IMSTB_TEXTEDIT_STRING *str, STB_TexteditState *state)
 {
    StbUndoState *s = &state->undostate;
    StbUndoRecord u, *r;
@@ -1247,7 +1288,7 @@ static void stb_text_undo(STB_TEXTEDIT_STRING *str, STB_TexteditState *state)
       //    characters stored for *undoing* don't leave room for redo
       // if the last is true, we have to bail
 
-      if (s->undo_char_point + u.delete_length >= STB_TEXTEDIT_UNDOCHARCOUNT) {
+      if (s->undo_char_point + u.delete_length >= IMSTB_TEXTEDIT_UNDOCHARCOUNT) {
          // the undo records take up too much character space; there's no space to store the redo characters
          r->insert_length = 0;
       } else {
@@ -1256,7 +1297,7 @@ static void stb_text_undo(STB_TEXTEDIT_STRING *str, STB_TexteditState *state)
          // there's definitely room to store the characters eventually
          while (s->undo_char_point + u.delete_length > s->redo_char_point) {
             // should never happen:
-            if (s->redo_point == STB_TEXTEDIT_UNDOSTATECOUNT)
+            if (s->redo_point == IMSTB_TEXTEDIT_UNDOSTATECOUNT)
                return;
             // there's currently not enough room, so discard a redo record
             stb_textedit_discard_redo(s);
@@ -1288,11 +1329,11 @@ static void stb_text_undo(STB_TEXTEDIT_STRING *str, STB_TexteditState *state)
    s->redo_point--;
 }
 
-static void stb_text_redo(STB_TEXTEDIT_STRING *str, STB_TexteditState *state)
+static void stb_text_redo(IMSTB_TEXTEDIT_STRING *str, STB_TexteditState *state)
 {
    StbUndoState *s = &state->undostate;
    StbUndoRecord *u, r;
-   if (s->redo_point == STB_TEXTEDIT_UNDOSTATECOUNT)
+   if (s->redo_point == IMSTB_TEXTEDIT_UNDOSTATECOUNT)
       return;
 
    // we need to do two things: apply the redo record, and create an undo record
@@ -1344,20 +1385,20 @@ static void stb_text_makeundo_insert(STB_TexteditState *state, int where, int le
    stb_text_createundo(&state->undostate, where, 0, length);
 }
 
-static void stb_text_makeundo_delete(STB_TEXTEDIT_STRING *str, STB_TexteditState *state, int where, int length)
+static void stb_text_makeundo_delete(IMSTB_TEXTEDIT_STRING *str, STB_TexteditState *state, int where, int length)
 {
    int i;
-   STB_TEXTEDIT_CHARTYPE *p = stb_text_createundo(&state->undostate, where, length, 0);
+   IMSTB_TEXTEDIT_CHARTYPE *p = stb_text_createundo(&state->undostate, where, length, 0);
    if (p) {
       for (i=0; i < length; ++i)
          p[i] = STB_TEXTEDIT_GETCHAR(str, where+i);
    }
 }
 
-static void stb_text_makeundo_replace(STB_TEXTEDIT_STRING *str, STB_TexteditState *state, int where, int old_length, int new_length)
+static void stb_text_makeundo_replace(IMSTB_TEXTEDIT_STRING *str, STB_TexteditState *state, int where, int old_length, int new_length)
 {
    int i;
-   STB_TEXTEDIT_CHARTYPE *p = stb_text_createundo(&state->undostate, where, old_length, new_length);
+   IMSTB_TEXTEDIT_CHARTYPE *p = stb_text_createundo(&state->undostate, where, old_length, new_length);
    if (p) {
       for (i=0; i < old_length; ++i)
          p[i] = STB_TEXTEDIT_GETCHAR(str, where+i);
@@ -1369,8 +1410,8 @@ static void stb_textedit_clear_state(STB_TexteditState *state, int is_single_lin
 {
    state->undostate.undo_point = 0;
    state->undostate.undo_char_point = 0;
-   state->undostate.redo_point = STB_TEXTEDIT_UNDOSTATECOUNT;
-   state->undostate.redo_char_point = STB_TEXTEDIT_UNDOCHARCOUNT;
+   state->undostate.redo_point = IMSTB_TEXTEDIT_UNDOSTATECOUNT;
+   state->undostate.redo_char_point = IMSTB_TEXTEDIT_UNDOCHARCOUNT;
    state->select_end = state->select_start = 0;
    state->cursor = 0;
    state->has_preferred_x = 0;
@@ -1393,16 +1434,16 @@ static void stb_textedit_initialize_state(STB_TexteditState *state, int is_singl
 #pragma GCC diagnostic ignored "-Wcast-qual"
 #endif
 
-static int stb_textedit_paste(STB_TEXTEDIT_STRING *str, STB_TexteditState *state, STB_TEXTEDIT_CHARTYPE const *ctext, int len)
+static int stb_textedit_paste(IMSTB_TEXTEDIT_STRING *str, STB_TexteditState *state, IMSTB_TEXTEDIT_CHARTYPE const *ctext, int len)
 {
-   return stb_textedit_paste_internal(str, state, (STB_TEXTEDIT_CHARTYPE *) ctext, len);
+   return stb_textedit_paste_internal(str, state, (IMSTB_TEXTEDIT_CHARTYPE *) ctext, len);
 }
 
 #if defined(__GNUC__) || defined(__clang__)
 #pragma GCC diagnostic pop
 #endif
 
-#endif//STB_TEXTEDIT_IMPLEMENTATION
+#endif//IMSTB_TEXTEDIT_IMPLEMENTATION
 
 /*
 ------------------------------------------------------------------------------
@@ -1410,38 +1451,38 @@ This software is available under 2 licenses -- choose whichever you prefer.
 ------------------------------------------------------------------------------
 ALTERNATIVE A - MIT License
 Copyright (c) 2017 Sean Barrett
-Permission is hereby granted, free of charge, to any person obtaining a copy of 
-this software and associated documentation files (the "Software"), to deal in 
-the Software without restriction, including without limitation the rights to 
-use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies 
-of the Software, and to permit persons to whom the Software is furnished to do 
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+of the Software, and to permit persons to whom the Software is furnished to do
 so, subject to the following conditions:
-The above copyright notice and this permission notice shall be included in all 
+The above copyright notice and this permission notice shall be included in all
 copies or substantial portions of the Software.
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 SOFTWARE.
 ------------------------------------------------------------------------------
 ALTERNATIVE B - Public Domain (www.unlicense.org)
 This is free and unencumbered software released into the public domain.
-Anyone is free to copy, modify, publish, use, compile, sell, or distribute this 
-software, either in source code form or as a compiled binary, for any purpose, 
+Anyone is free to copy, modify, publish, use, compile, sell, or distribute this
+software, either in source code form or as a compiled binary, for any purpose,
 commercial or non-commercial, and by any means.
-In jurisdictions that recognize copyright laws, the author or authors of this 
-software dedicate any and all copyright interest in the software to the public 
-domain. We make this dedication for the benefit of the public at large and to 
-the detriment of our heirs and successors. We intend this dedication to be an 
-overt act of relinquishment in perpetuity of all present and future rights to 
+In jurisdictions that recognize copyright laws, the author or authors of this
+software dedicate any and all copyright interest in the software to the public
+domain. We make this dedication for the benefit of the public at large and to
+the detriment of our heirs and successors. We intend this dedication to be an
+overt act of relinquishment in perpetuity of all present and future rights to
 this software under copyright law.
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 
-AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 
-ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 ------------------------------------------------------------------------------
 */

skeleton/sdl2.cpp

@@ -224,7 +224,8 @@ main(int argc, char *argv[])
 	if(EventHandler(RWINITIALIZE, nil) == EVENTERROR)
 		return 0;
 
-	float lastTime = SDL_GetTicks();
+	Uint64 lastTicks = SDL_GetPerformanceCounter();
+	const float tickPeriod = 1.f / SDL_GetPerformanceFrequency();
 	SDL_Event event;
 	int mouseButtons = 0;
 
@@ -297,12 +298,12 @@ main(int argc, char *argv[])
 			}
 			}
 		}
-		float currTime  = SDL_GetTicks();
-		float timeDelta = (currTime - lastTime) * 0.001f;
+		Uint64 currTicks = SDL_GetPerformanceCounter();
+		float timeDelta = (currTicks - lastTicks) * tickPeriod;
 
 		EventHandler(IDLE, &timeDelta);
 
-		lastTime = currTime;
+		lastTicks = currTicks;
 	}
 
 	SDL_StopTextInput();

skeleton/sdl3.cpp

@@ -0,0 +1,323 @@
+#ifdef LIBRW_SDL3
+
+#include <rw.h>
+#include "skeleton.h"
+
+using namespace sk;
+using namespace rw;
+
+#ifdef RW_OPENGL
+
+SDL_Window *window;
+
+static int keyCodeToSkKey(SDL_Keycode keycode) {
+	switch (keycode) {
+	case SDLK_SPACE: return ' ';
+	case SDLK_APOSTROPHE: return '\'';
+	case SDLK_COMMA: return ',';
+	case SDLK_MINUS: return '-';
+	case SDLK_PERIOD: return '.';
+	case SDLK_SLASH: return '/';
+
+	case SDLK_0: return '0';
+	case SDLK_1: return '1';
+	case SDLK_2: return '2';
+	case SDLK_3: return '3';
+	case SDLK_4: return '4';
+	case SDLK_5: return '5';
+	case SDLK_6: return '6';
+	case SDLK_7: return '7';
+	case SDLK_8: return '8';
+	case SDLK_9: return '9';
+
+	case SDLK_SEMICOLON: return ';';
+	case SDLK_EQUALS: return '=';
+
+	case SDLK_A: return 'A';
+	case SDLK_B: return 'B';
+	case SDLK_C: return 'C';
+	case SDLK_D: return 'D';
+	case SDLK_E: return 'E';
+	case SDLK_F: return 'F';
+	case SDLK_G: return 'G';
+	case SDLK_H: return 'H';
+	case SDLK_I: return 'I';
+	case SDLK_J: return 'J';
+	case SDLK_K: return 'K';
+	case SDLK_L: return 'L';
+	case SDLK_M: return 'M';
+	case SDLK_N: return 'N';
+	case SDLK_O: return 'O';
+	case SDLK_P: return 'P';
+	case SDLK_Q: return 'Q';
+	case SDLK_R: return 'R';
+	case SDLK_S: return 'S';
+	case SDLK_T: return 'T';
+	case SDLK_U: return 'U';
+	case SDLK_V: return 'V';
+	case SDLK_W: return 'W';
+	case SDLK_X: return 'X';
+	case SDLK_Y: return 'Y';
+	case SDLK_Z: return 'Z';
+
+	case SDLK_LEFTBRACKET: return '[';
+	case SDLK_BACKSLASH: return '\\';
+	case SDLK_RIGHTBRACKET: return ']';
+	case SDLK_GRAVE: return '`';
+	case SDLK_ESCAPE: return KEY_ESC;
+	case SDLK_RETURN: return KEY_ENTER;
+	case SDLK_TAB: return KEY_TAB;
+	case SDLK_BACKSPACE: return KEY_BACKSP;
+	case SDLK_INSERT: return KEY_INS;
+	case SDLK_DELETE: return KEY_DEL;
+	case SDLK_RIGHT: return KEY_RIGHT;
+	case SDLK_LEFT: return KEY_LEFT;
+	case SDLK_DOWN: return KEY_DOWN;
+	case SDLK_UP: return KEY_UP;
+	case SDLK_PAGEUP: return KEY_PGUP;
+	case SDLK_PAGEDOWN: return KEY_PGDN;
+	case SDLK_HOME: return KEY_HOME;
+	case SDLK_END: return KEY_END;
+	case SDLK_CAPSLOCK: return KEY_CAPSLK;
+	case SDLK_SCROLLLOCK: return KEY_NULL;
+	case SDLK_NUMLOCKCLEAR: return KEY_NULL;
+	case SDLK_PRINTSCREEN: return KEY_NULL;
+	case SDLK_PAUSE: return KEY_NULL;
+
+	case SDLK_F1: return KEY_F1;
+	case SDLK_F2: return KEY_F2;
+	case SDLK_F3: return KEY_F3;
+	case SDLK_F4: return KEY_F4;
+	case SDLK_F5: return KEY_F5;
+	case SDLK_F6: return KEY_F6;
+	case SDLK_F7: return KEY_F7;
+	case SDLK_F8: return KEY_F8;
+	case SDLK_F9: return KEY_F9;
+	case SDLK_F10: return KEY_F10;
+	case SDLK_F11: return KEY_F11;
+	case SDLK_F12: return KEY_F12;
+	case SDLK_F13: return KEY_NULL;
+	case SDLK_F14: return KEY_NULL;
+	case SDLK_F15: return KEY_NULL;
+	case SDLK_F16: return KEY_NULL;
+	case SDLK_F17: return KEY_NULL;
+	case SDLK_F18: return KEY_NULL;
+	case SDLK_F19: return KEY_NULL;
+	case SDLK_F20: return KEY_NULL;
+	case SDLK_F21: return KEY_NULL;
+	case SDLK_F22: return KEY_NULL;
+	case SDLK_F23: return KEY_NULL;
+	case SDLK_F24: return KEY_NULL;
+
+	case SDLK_KP_0: return KEY_NULL;
+	case SDLK_KP_1: return KEY_NULL;
+	case SDLK_KP_2: return KEY_NULL;
+	case SDLK_KP_3: return KEY_NULL;
+	case SDLK_KP_4: return KEY_NULL;
+	case SDLK_KP_5: return KEY_NULL;
+	case SDLK_KP_6: return KEY_NULL;
+	case SDLK_KP_7: return KEY_NULL;
+	case SDLK_KP_8: return KEY_NULL;
+	case SDLK_KP_9: return KEY_NULL;
+	case SDLK_KP_DECIMAL: return KEY_NULL;
+	case SDLK_KP_DIVIDE: return KEY_NULL;
+	case SDLK_KP_MULTIPLY: return KEY_NULL;
+	case SDLK_KP_MINUS: return KEY_NULL;
+	case SDLK_KP_PLUS: return KEY_NULL;
+	case SDLK_KP_ENTER: return KEY_NULL;
+	case SDLK_KP_EQUALS: return KEY_NULL;
+
+	case SDLK_LSHIFT: return KEY_LSHIFT;
+	case SDLK_LCTRL: return KEY_LCTRL;
+	case SDLK_LALT: return KEY_LALT;
+	case SDLK_LGUI: return KEY_NULL;
+	case SDLK_RSHIFT: return KEY_RSHIFT;
+	case SDLK_RCTRL: return KEY_RCTRL;
+	case SDLK_RALT: return KEY_RALT;
+	case SDLK_RGUI: return KEY_NULL;
+	case SDLK_MENU: return KEY_NULL;
+	}
+	return KEY_NULL;
+}
+
+#if 0
+static void
+keypress(SDL_Window *window, int key, int scancode, int action, int mods)
+{
+	if(key >= 0 && key <= GLFW_KEY_LAST){
+		if(action == GLFW_RELEASE) KeyUp(keymap[key]);
+		else if(action == GLFW_PRESS)   KeyDown(keymap[key]);
+		else if(action == GLFW_REPEAT)  KeyDown(keymap[key]);
+	}
+}
+
+static void
+charinput(GLFWwindow *window, unsigned int c)
+{
+	EventHandler(CHARINPUT, (void*)(uintptr)c);
+}
+
+static void
+resize(GLFWwindow *window, int w, int h)
+{
+	rw::Rect r;
+	r.x = 0;
+	r.y = 0;
+	r.w = w;
+	r.h = h;
+	EventHandler(RESIZE, &r);
+}
+
+static void
+mousebtn(GLFWwindow *window, int button, int action, int mods)
+{
+	static int buttons = 0;
+	sk::MouseState ms;
+
+	switch(button){
+	case GLFW_MOUSE_BUTTON_LEFT:
+		if(action == GLFW_PRESS)
+			buttons |= 1;
+		else
+			buttons &= ~1;
+		break;
+	case GLFW_MOUSE_BUTTON_MIDDLE:
+		if(action == GLFW_PRESS)
+			buttons |= 2;
+		else
+			buttons &= ~2;
+		break;
+	case GLFW_MOUSE_BUTTON_RIGHT:
+		if(action == GLFW_PRESS)
+			buttons |= 4;
+		else
+			buttons &= ~4;
+		break;
+	}
+
+	sk::MouseState ms;
+	ms.buttons = buttons;
+	EventHandler(MOUSEBTN, &ms);
+}
+#endif
+
+enum mousebutton {
+BUTTON_LEFT = 0x1,
+BUTTON_MIDDLE = 0x2,
+BUTTON_RIGHT = 0x4,
+};
+
+int
+main(int argc, char *argv[])
+{
+	args.argc = argc;
+	args.argv = argv;
+
+	if(EventHandler(INITIALIZE, nil) == EVENTERROR)
+		return 0;
+
+	engineOpenParams.width = sk::globals.width;
+	engineOpenParams.height = sk::globals.height;
+	engineOpenParams.windowtitle = sk::globals.windowtitle;
+	engineOpenParams.window = &window;
+
+	if(EventHandler(RWINITIALIZE, nil) == EVENTERROR)
+		return 0;
+
+	Uint64 lastTicks = SDL_GetPerformanceCounter();
+	const float tickPeriod = 1.f / SDL_GetPerformanceFrequency();
+	SDL_Event event;
+	int mouseButtons = 0;
+
+	SDL_StartTextInput(window);
+
+	while(!sk::globals.quit){
+		while(SDL_PollEvent(&event)){
+			switch(event.type){
+			case SDL_EVENT_QUIT:
+				sk::globals.quit = true;
+				break;
+			case SDL_EVENT_WINDOW_RESIZED: {
+				rw::Rect r;
+				SDL_GetWindowPosition(window, &r.x, &r.y);
+				r.w = event.window.data1;
+				r.h = event.window.data2;
+				EventHandler(RESIZE, &r);
+				break;
+			}
+			case SDL_EVENT_KEY_UP: {
+				int c = keyCodeToSkKey(event.key.key);
+				EventHandler(KEYUP, &c);
+				break;
+			}
+			case SDL_EVENT_KEY_DOWN: {
+				int c = keyCodeToSkKey(event.key.key);
+				EventHandler(KEYDOWN, &c);
+				break;
+			}
+			case SDL_EVENT_TEXT_INPUT: {
+				const char *c = event.text.text;
+				while (int ci = *c) {
+					EventHandler(CHARINPUT, (void*)(uintptr)ci);
+					++c;
+				}
+				break;
+			}
+			case SDL_EVENT_MOUSE_MOTION: {
+				sk::MouseState ms;
+				ms.posx = event.motion.x;
+				ms.posy = event.motion.y;
+				EventHandler(MOUSEMOVE, &ms);
+				break;
+			}
+			case SDL_EVENT_MOUSE_BUTTON_DOWN: {
+				switch (event.button.button) {
+				case SDL_BUTTON_LEFT: mouseButtons |= BUTTON_LEFT; break;
+				case SDL_BUTTON_MIDDLE: mouseButtons |= BUTTON_MIDDLE; break;
+				case SDL_BUTTON_RIGHT: mouseButtons |= BUTTON_RIGHT; break;
+				}
+				sk::MouseState ms;
+				ms.buttons = mouseButtons;
+				EventHandler(MOUSEBTN, &ms);
+				break;
+			}
+			case SDL_EVENT_MOUSE_BUTTON_UP: {
+				switch (event.button.button) {
+				case SDL_BUTTON_LEFT: mouseButtons &= ~BUTTON_LEFT; break;
+				case SDL_BUTTON_MIDDLE: mouseButtons &= ~BUTTON_MIDDLE; break;
+				case SDL_BUTTON_RIGHT: mouseButtons &= ~BUTTON_RIGHT; break;
+				}
+				sk::MouseState ms;
+				ms.buttons = mouseButtons;
+				EventHandler(MOUSEBTN, &ms);
+				break;
+			}
+			}
+		}
+		Uint64 currTicks = SDL_GetPerformanceCounter();
+		float timeDelta = (currTicks - lastTicks) * tickPeriod;
+
+		EventHandler(IDLE, &timeDelta);
+
+		lastTicks = currTicks;
+	}
+
+	SDL_StopTextInput(window);
+
+	EventHandler(RWTERMINATE, nil);
+
+	return 0;
+}
+
+namespace sk {
+
+void
+SetMousePosition(int x, int y)
+{
+	SDL_WarpMouseInWindow(*engineOpenParams.window, x, y);
+}
+
+}
+
+#endif
+#endif

skeleton/skeleton.cpp

@@ -23,7 +23,7 @@ InitRW(void)
 	n = Engine::getNumSubSystems();
 	for(i = 0; i < n; i++)
 		if(Engine::getSubSystemInfo(&info, i))
-			printf("subsystem: %s\n", info.name);
+			;//printf("subsystem: %s\n", info.name);
 	Engine::setSubSystem(n-1);
 
 	int want = -1;
@@ -34,7 +34,7 @@ InitRW(void)
 //			if(mode.width == 640 && mode.height == 480 && mode.depth == 32)
 			if(mode.width == 1920 && mode.height == 1080 && mode.depth == 32)
 				want = i;
-			printf("mode: %dx%dx%d %d\n", mode.width, mode.height, mode.depth, mode.flags);
+			//printf("mode: %dx%dx%d %d\n", mode.width, mode.height, mode.depth, mode.flags);
 		}
 //	if(want >= 0) Engine::setVideoMode(want);
 	Engine::getVideoModeInfo(&mode, Engine::getCurrentVideoMode());

skeleton/skeleton.h

@@ -72,6 +72,7 @@ enum Event
 	CHARINPUT,
 	MOUSEMOVE,
 	MOUSEBTN,
+	MOUSEWHEEL,
 	RESIZE,
 	IDLE,
 	QUIT
@@ -91,6 +92,7 @@ struct MouseState
 {
 	int posx, posy;
 	int buttons;	// bits 0-2 are left, middle, right button down
+	float wheelDelta;
 };
 
 struct Args

skeleton/win.cpp

@@ -135,6 +135,10 @@ WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
 		ms.buttons = buttons;
 		EventHandler(MOUSEBTN, &ms);
 		break;
+	case WM_MOUSEWHEEL:
+		ms.wheelDelta = (float)GET_WHEEL_DELTA_WPARAM(wParam) / (float)WHEEL_DELTA;
+		EventHandler(MOUSEWHEEL, &ms);
+		break;
 
 	case WM_SIZE:
 		rw::Rect r;

src/CMakeLists.txt

@@ -150,18 +150,33 @@ set_target_properties(librw
 
 if(LIBRW_PLATFORM_GL3)
     if (LIBRW_GL3_GFXLIB STREQUAL "GLFW")
-        find_package(glfw3 REQUIRED)
+        if (NOT TARGET glfw)
+            find_package(glfw3 REQUIRED)
+        endif()
+        target_compile_definitions(librw PUBLIC LIBRW_GLFW)
         target_link_libraries(librw
             PUBLIC
                 glfw
             )
     elseif (LIBRW_GL3_GFXLIB STREQUAL "SDL2")
-        find_package(SDL2 REQUIRED)
+        if (NOT TARGET SDL2::SDL2)
+            find_package(SDL2 CONFIG)
+            if (NOT TARGET SDL2::SDL2)
+                find_package(SDL2 MODULE REQUIRED)
+            endif()
+        endif()
         target_compile_definitions(librw PUBLIC LIBRW_SDL2)
         target_link_libraries(librw
             PUBLIC
                 SDL2::SDL2
         )
+    elseif (LIBRW_GL3_GFXLIB STREQUAL "SDL3")
+        find_package(SDL3 CONFIG REQUIRED)
+        target_compile_definitions(librw PUBLIC LIBRW_SDL3)
+        target_link_libraries(librw
+            PUBLIC
+                SDL3::SDL3
+        )
     endif()
 
     set(OpenGL_GL_PREFERENCE GLVND)

src/base.cpp

@@ -587,6 +587,7 @@ Matrix::makeRotation(Matrix *dst, const V3d *axis, float32 angle)
 	dst->pos.y = 0.0;
 	dst->pos.z = 0.0;
 	dst->flags = TYPEORTHONORMAL;
+	dst->pad1 = dst->pad2 = dst->pad3 = 0;
 }
 
 /* q must be normalized */
@@ -616,6 +617,7 @@ Matrix::makeRotation(Matrix *dst, const Quat &q)
 	dst->pos.y = 0.0;
 	dst->pos.z = 0.0;
 	dst->flags = TYPEORTHONORMAL;
+	dst->pad1 = dst->pad2 = dst->pad3 = 0;
 }
 
 float32
@@ -999,7 +1001,7 @@ StreamFile*
 StreamFile::open(const char *path, const char *mode)
 {
 	assert(this->file == nil);
-	this->file = fopen(path, mode);
+	this->file = engine->filefuncs.rwfopen(path, mode);
 	if(this->file == nil){
 		RWERROR((ERR_FILE, path));
 		return nil;
@@ -1011,38 +1013,38 @@ void
 StreamFile::close(void)
 {
 	assert(this->file);
-	fclose(this->file);
+	engine->filefuncs.rwfclose(this->file);
 	this->file = nil;
 }
 
 uint32
 StreamFile::write8(const void *data, uint32 length)
 {
-	return (uint32)fwrite(data, 1, length, this->file);
+	return (uint32)engine->filefuncs.rwfwrite(data, 1, length, this->file);
 }
 
 uint32
 StreamFile::read8(void *data, uint32 length)
 {
-	return (uint32)fread(data, 1, length, this->file);
+	return (uint32)engine->filefuncs.rwfread(data, 1, length, this->file);
 }
 
 void
 StreamFile::seek(int32 offset, int32 whence)
 {
-	fseek(this->file, offset, whence);
+	engine->filefuncs.rwfseek(this->file, offset, whence);
 }
 
 uint32
 StreamFile::tell(void)
 {
-	return ftell(this->file);
+	return engine->filefuncs.rwftell(this->file);
 }
 
 bool
 StreamFile::eof(void)
 {
-	return ( feof(this->file) != 0 );
+	return engine->filefuncs.rwfeof(this->file) != 0;
 }
 
 bool
@@ -1106,15 +1108,15 @@ findPointer(void *p, void **list, int32 num)
 uint8*
 getFileContents(const char *name, uint32 *len)
 {
-	FILE *cf = fopen(name, "rb");
+	void *cf = engine->filefuncs.rwfopen(name, "rb");
 	if(cf == nil)
 		return nil;
-	fseek(cf, 0, SEEK_END);
-	*len = ftell(cf);
-	fseek(cf, 0, SEEK_SET);
+	engine->filefuncs.rwfseek(cf, 0, SEEK_END);
+	*len = engine->filefuncs.rwftell(cf);
+	engine->filefuncs.rwfseek(cf, 0, SEEK_SET);
 	uint8 *data = rwNewT(uint8, *len, MEMDUR_EVENT);
-	fread(data, 1, *len, cf);
-	fclose(cf);
+	engine->filefuncs.rwfread(data, 1, *len, cf);
+	engine->filefuncs.rwfclose(cf);
 	return data;
 }
 

src/d3d/d3ddevice.cpp

@@ -985,97 +985,6 @@ setViewport(Raster *fb)
 	vp.Height = fb->height;
 	d3ddevice->SetViewport(&vp);
 }
-
-static void
-beginUpdate(Camera *cam)
-{
-	float view[16], proj[16];
-
-	// View Matrix
-	Matrix inv;
-	Matrix::invert(&inv, cam->getFrame()->getLTM());
-	// Since we're looking into positive Z,
-	// flip X to ge a left handed view space.
-	view[0]  = -inv.right.x;
-	view[1]  =  inv.right.y;
-	view[2]  =  inv.right.z;
-	view[3]  =  0.0f;
-	view[4]  = -inv.up.x;
-	view[5]  =  inv.up.y;
-	view[6]  =  inv.up.z;
-	view[7]  =  0.0f;
-	view[8]  =  -inv.at.x;
-	view[9]  =   inv.at.y;
-	view[10] =  inv.at.z;
-	view[11] =  0.0f;
-	view[12] = -inv.pos.x;
-	view[13] =  inv.pos.y;
-	view[14] =  inv.pos.z;
-	view[15] =  1.0f;
-	memcpy(&cam->devView, view, sizeof(RawMatrix));
-//	d3ddevice->SetTransform(D3DTS_VIEW, (D3DMATRIX*)view);
-
-	// Projection Matrix
-	float32 invwx = 1.0f/cam->viewWindow.x;
-	float32 invwy = 1.0f/cam->viewWindow.y;
-	float32 invz = 1.0f/(cam->farPlane-cam->nearPlane);
-
-	proj[0] = invwx;
-	proj[1] = 0.0f;
-	proj[2] = 0.0f;
-	proj[3] = 0.0f;
-
-	proj[4] = 0.0f;
-	proj[5] = invwy;
-	proj[6] = 0.0f;
-	proj[7] = 0.0f;
-
-	proj[8] = cam->viewOffset.x*invwx;
-	proj[9] = cam->viewOffset.y*invwy;
-	proj[12] = -proj[8];
-	proj[13] = -proj[9];
-	if(cam->projection == Camera::PERSPECTIVE){
-		proj[10] = cam->farPlane*invz;
-		proj[11] = 1.0f;
-
-		proj[15] = 0.0f;
-	}else{
-		proj[10] = invz;
-		proj[11] = 0.0f;
-
-		proj[15] = 1.0f;
-	}
-	proj[14] = -cam->nearPlane*proj[10];
-	memcpy(&cam->devProj, proj, sizeof(RawMatrix));
-//	d3ddevice->SetTransform(D3DTS_PROJECTION, (D3DMATRIX*)proj);
-
-	// TODO: figure out where this is really done
-//	setRenderState(D3DRS_FOGSTART, *(uint32*)&cam->fogPlane);
-//	setRenderState(D3DRS_FOGEND, *(uint32*)&cam->farPlane);
-	d3dShaderState.fogData.start = cam->fogPlane;
-	d3dShaderState.fogData.end = cam->farPlane;
-	d3dShaderState.fogData.range = 1.0f/(cam->fogPlane - cam->farPlane);
-	// TODO: not quite sure this is the right place to do this...
-	d3dShaderState.fogData.disable = rwStateCache.fogenable ? 0.0f : 1.0f;
-	d3dShaderState.fogDisable.start = 0.0f;
-	d3dShaderState.fogDisable.end = 0.0f;
-	d3dShaderState.fogDisable.range = 0.0f;
-	d3dShaderState.fogDisable.disable = 1.0f;
-	d3dShaderState.fogDirty = true;
-
-	setRenderSurfaces(cam);
-
-	setViewport(cam->frameBuffer);
-
-	d3ddevice->BeginScene();
-}
-
-static void
-endUpdate(Camera *cam)
-{
-	d3ddevice->EndScene();
-}
-
 // Manage video memory
 
 void
@@ -1310,16 +1219,81 @@ restoreVideoMemory(void)
 }
 
 static void
-clearCamera(Camera *cam, RGBA *col, uint32 mode)
+beginUpdate(Camera *cam)
 {
-	int flags = 0;
-	if(mode & Camera::CLEARIMAGE)
-		mode |= D3DCLEAR_TARGET;
-	if(mode & Camera::CLEARZ)
-		mode |= D3DCLEAR_ZBUFFER;
-	if(mode & Camera::CLEARSTENCIL)
-		mode |= D3DCLEAR_STENCIL;
-	D3DCOLOR c = D3DCOLOR_RGBA(col->red, col->green, col->blue, col->alpha);
+	float view[16], proj[16];
+
+	// View Matrix
+	Matrix inv;
+	Matrix::invert(&inv, cam->getFrame()->getLTM());
+	// Since we're looking into positive Z,
+	// flip X to ge a left handed view space.
+	view[0]  = -inv.right.x;
+	view[1]  =  inv.right.y;
+	view[2]  =  inv.right.z;
+	view[3]  =  0.0f;
+	view[4]  = -inv.up.x;
+	view[5]  =  inv.up.y;
+	view[6]  =  inv.up.z;
+	view[7]  =  0.0f;
+	view[8]  =  -inv.at.x;
+	view[9]  =   inv.at.y;
+	view[10] =  inv.at.z;
+	view[11] =  0.0f;
+	view[12] = -inv.pos.x;
+	view[13] =  inv.pos.y;
+	view[14] =  inv.pos.z;
+	view[15] =  1.0f;
+	memcpy(&cam->devView, view, sizeof(RawMatrix));
+//	d3ddevice->SetTransform(D3DTS_VIEW, (D3DMATRIX*)view);
+
+	// Projection Matrix
+	float32 invwx = 1.0f/cam->viewWindow.x;
+	float32 invwy = 1.0f/cam->viewWindow.y;
+	float32 invz = 1.0f/(cam->farPlane-cam->nearPlane);
+
+	proj[0] = invwx;
+	proj[1] = 0.0f;
+	proj[2] = 0.0f;
+	proj[3] = 0.0f;
+
+	proj[4] = 0.0f;
+	proj[5] = invwy;
+	proj[6] = 0.0f;
+	proj[7] = 0.0f;
+
+	proj[8] = cam->viewOffset.x*invwx;
+	proj[9] = cam->viewOffset.y*invwy;
+	proj[12] = -proj[8];
+	proj[13] = -proj[9];
+	if(cam->projection == Camera::PERSPECTIVE){
+		proj[10] = cam->farPlane*invz;
+		proj[11] = 1.0f;
+
+		proj[15] = 0.0f;
+	}else{
+		proj[10] = invz;
+		proj[11] = 0.0f;
+
+		proj[15] = 1.0f;
+	}
+	proj[14] = -cam->nearPlane*proj[10];
+	memcpy(&cam->devProj, proj, sizeof(RawMatrix));
+//	d3ddevice->SetTransform(D3DTS_PROJECTION, (D3DMATRIX*)proj);
+
+	// TODO: figure out where this is really done
+//	setRenderState(D3DRS_FOGSTART, *(uint32*)&cam->fogPlane);
+//	setRenderState(D3DRS_FOGEND, *(uint32*)&cam->farPlane);
+	d3dShaderState.fogData.start = cam->fogPlane;
+	d3dShaderState.fogData.end = cam->farPlane;
+	d3dShaderState.fogData.range = 1.0f/(cam->fogPlane - cam->farPlane);
+	// TODO: not quite sure this is the right place to do this...
+	d3dShaderState.fogData.disable = rwStateCache.fogenable ? 0.0f : 1.0f;
+	d3dShaderState.fogDisable.start = 0.0f;
+	d3dShaderState.fogDisable.end = 0.0f;
+	d3dShaderState.fogDisable.range = 0.0f;
+	d3dShaderState.fogDisable.disable = 1.0f;
+	d3dShaderState.fogDirty = true;
 
 	RECT r;
 	GetClientRect(d3d9Globals.window, &r);
@@ -1337,6 +1311,31 @@ clearCamera(Camera *cam, RGBA *col, uint32 mode)
 
 	setRenderSurfaces(cam);
 
+	setViewport(cam->frameBuffer);
+
+	d3ddevice->BeginScene();
+}
+
+static void
+endUpdate(Camera *cam)
+{
+	d3ddevice->EndScene();
+}
+
+static void
+clearCamera(Camera *cam, RGBA *col, uint32 mode)
+{
+	int flags = 0;
+	if(mode & Camera::CLEARIMAGE)
+		mode |= D3DCLEAR_TARGET;
+	if(mode & Camera::CLEARZ)
+		mode |= D3DCLEAR_ZBUFFER;
+	if(mode & Camera::CLEARSTENCIL)
+		mode |= D3DCLEAR_STENCIL;
+	D3DCOLOR c = D3DCOLOR_RGBA(col->red, col->green, col->blue, col->alpha);
+
+	setRenderSurfaces(cam);
+
 	setViewport(cam->frameBuffer);	// need to set this for the clear to work correctly
 	d3ddevice->Clear(0, nil, mode, c, 1.0f, 0);
 }

src/d3d/d3dimmed.cpp

@@ -236,8 +236,9 @@ static int32 num3DVertices;
 void
 openIm3D(void)
 {
-	D3DVERTEXELEMENT9 elements[4] = {
+	D3DVERTEXELEMENT9 elements[5] = {
 		{ 0, 0, D3DDECLTYPE_FLOAT3, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_POSITION, 0 },
+		{ 0, offsetof(Im3DVertex, normal), D3DDECLTYPE_FLOAT3, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_NORMAL, 0 },
 		{ 0, offsetof(Im3DVertex, color), D3DDECLTYPE_D3DCOLOR, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_COLOR, 0 },
 		{ 0, offsetof(Im3DVertex, u), D3DDECLTYPE_FLOAT2, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_TEXCOORD, 0 },
 		D3DDECL_END()
@@ -273,6 +274,10 @@ closeIm3D(void)
 	im3dindbuf = nil;
 }
 
+// settable by user - TOOD: make this less shit
+RGBA im3dMaterialColor = { 255, 255, 255, 255 };
+SurfaceProperties im3dSurfaceProps = { 1.0f, 1.0f, 1.0f };
+
 void
 im3DTransform(void *vertices, int32 numVertices, Matrix *world, uint32 flags)
 {
@@ -284,9 +289,22 @@ im3DTransform(void *vertices, int32 numVertices, Matrix *world, uint32 flags)
 	if((flags & im3d::VERTEXUV) == 0)
 		SetRenderStatePtr(TEXTURERASTER, nil);
 
-	static RGBA white = { 255, 255, 255, 255 };
-	static SurfaceProperties surfprops = { 0.0f, 0.0f, 0.0f };
-	setMaterial(white, surfprops);
+	void *shader = default_amb_VS;
+	if(flags & im3d::LIGHTING){
+		setMaterial(im3dMaterialColor, im3dSurfaceProps);
+		int32 vsBits = lightingCB_Shader();
+		// Pick a shader
+		if((vsBits & VSLIGHT_MASK) == 0)
+			shader = default_amb_VS;
+		else if((vsBits & VSLIGHT_MASK) == VSLIGHT_DIRECT)
+			shader = default_amb_dir_VS;
+		else
+			shader = default_all_VS;
+	}else{
+		static RGBA white = { 255, 255, 255, 255 };
+		static SurfaceProperties surfprops = { 0.0f, 0.0f, 0.0f };
+		setMaterial(white, surfprops);
+	}
 
 	uint8 *lockedvertices = lockVertices(im3dvertbuf, 0, numVertices*sizeof(Im3DVertex), D3DLOCK_DISCARD);
 	memcpy(lockedvertices, vertices, numVertices*sizeof(Im3DVertex));
@@ -295,7 +313,7 @@ im3DTransform(void *vertices, int32 numVertices, Matrix *world, uint32 flags)
 	setStreamSource(0, im3dvertbuf, 0, sizeof(Im3DVertex));
 	setVertexDeclaration(im3ddecl);
 
-	setVertexShader(default_amb_VS);
+	setVertexShader(shader);
 
 	num3DVertices = numVertices;
 }

src/d3d/d3drender.cpp

@@ -357,11 +357,6 @@ lightingCB_Shader(Atomic *atomic)
 	if(atomic->geometry->flags & rw::Geometry::LIGHT){
 		((World*)engine->currentWorld)->enumerateLights(atomic, &lightData);
 		setAmbient(lightData.ambient);
-		if((atomic->geometry->flags & rw::Geometry::NORMALS) == 0){
-			// Get rid of lights that need normals when we don't have any
-			lightData.numDirectionals = 0;
-			lightData.numLocals = 0;
-		}
 		return uploadLights(&lightData);
 	}else{
 		static const RGBAf black = { 0.0f, 0.0f, 0.0f, 0.0f };
@@ -371,6 +366,22 @@ lightingCB_Shader(Atomic *atomic)
 	}
 }
 
+int32
+lightingCB_Shader(void)
+{
+	WorldLights lightData;
+	Light *directionals[8];
+	Light *locals[8];
+	lightData.directionals = directionals;
+	lightData.numDirectionals = 8;
+	lightData.locals = locals;
+	lightData.numLocals = 8;
+
+	((World*)engine->currentWorld)->enumerateLights(&lightData);
+	setAmbient(lightData.ambient);
+	return uploadLights(&lightData);
+}
+
 static RawMatrix identityXform = {
 	{ 1.0f, 0.0f, 0.0f }, 0.0f,
 	{ 0.0f, 1.0f, 0.0f }, 0.0f,

src/d3d/rwd3d.h

@@ -42,12 +42,16 @@ void setD3dMaterial(D3DMATERIAL9 *mat9);
 struct Im3DVertex
 {
 	V3d position;
+	V3d normal;		// librw extension
 	uint32 color;
 	float32 u, v;
 
 	void setX(float32 x) { this->position.x = x; }
 	void setY(float32 y) { this->position.y = y; }
 	void setZ(float32 z) { this->position.z = z; }
+	void setNormalX(float32 x) { this->normal.x = x; }
+	void setNormalY(float32 y) { this->normal.y = y; }
+	void setNormalZ(float32 z) { this->normal.z = z; }
 	void setColor(uint8 r, uint8 g, uint8 b, uint8 a) { this->color = COLOR_ARGB(a, r, g, b); }
 	void setU(float32 u) { this->u = u; }
 	void setV(float32 v) { this->v = v; }
@@ -55,11 +59,16 @@ struct Im3DVertex
 	float getX(void) { return this->position.x; }
 	float getY(void) { return this->position.y; }
 	float getZ(void) { return this->position.z; }
+	float getNormalX(void) { return this->normal.x; }
+	float getNormalY(void) { return this->normal.y; }
+	float getNormalZ(void) { return this->normal.z; }
 	RGBA getColor(void) { return makeRGBA(this->color>>16 & 0xFF, this->color>>8 & 0xFF,
 		this->color & 0xFF, this->color>>24 & 0xFF); }
 	float getU(void) { return this->u; }
 	float getV(void) { return this->v; }
 };
+extern RGBA im3dMaterialColor;
+extern SurfaceProperties im3dSurfaceProps;
 
 struct Im2DVertex
 {
@@ -386,6 +395,7 @@ enum
 
 void lightingCB_Fix(Atomic *atomic);
 int32 lightingCB_Shader(Atomic *atomic);
+int32 lightingCB_Shader(void);
 // for VS
 void uploadMatrices(void);	// no world transform
 void uploadMatrices(Matrix *worldMat);

src/engine.cpp

@@ -254,6 +254,13 @@ Engine::open(EngineOpenParams *p)
 	engine = (Engine*)rwNew(Engine::s_plglist.size, MEMDUR_GLOBAL);
 	engine->currentCamera = nil;
 	engine->currentWorld = nil;
+	engine->filefuncs.rwfopen = (void *(*)(const char*, const char*))fopen;
+	engine->filefuncs.rwfclose = (int (*)(void*))fclose;
+	engine->filefuncs.rwfseek = (int (*)(void*, long, int))fseek;
+	engine->filefuncs.rwftell = (long (*)(void*))ftell;
+	engine->filefuncs.rwfread = (size_t (*)(void*, size_t, size_t, void*))fread;
+	engine->filefuncs.rwfwrite = (size_t (*)(const void*, size_t, size_t, void*))fwrite;
+	engine->filefuncs.rwfeof = (int (*)(void*))feof;
 
 	// Initialize device
 	// Device and possibly OS specific!

src/frame.cpp

@@ -275,6 +275,13 @@ Frame::rotate(const V3d *axis, float32 angle, CombineOp op)
 	updateObjects();
 }
 
+void
+Frame::rotate(const Quat *q, CombineOp op)
+{
+	this->matrix.rotate(*q, op);
+	updateObjects();
+}
+
 void
 Frame::translate(const V3d *trans, CombineOp op)
 {

src/geometry.cpp

@@ -727,6 +727,7 @@ MaterialList::deinit(void)
 		for(int32 i = 0; i < this->numMaterials; i++)
 			this->materials[i]->destroy();
 		rwFree(this->materials);
+		this->materials = nil;
 	}
 }
 

src/gl/gl3device.cpp

@@ -923,6 +923,7 @@ resetRenderState(void)
 	rwStateCache.alphaFunc = ALPHAGREATEREQUAL;
 	alphaFunc = 0;
 	alphaRef = 10.0f/255.0f;
+	uniformStateDirty[RWGL_ALPHAREF] = true;
 	uniformState.fogDisable = 1.0f;
 	uniformState.fogStart = 0.0f;
 	uniformState.fogEnd = 0.0f;
@@ -1109,7 +1110,7 @@ flushCache(void)
 	uniformState.fogRange = 1.0f/(rwStateCache.fogStart - rwStateCache.fogEnd);
 
 	if(uniformStateDirty[RWGL_ALPHAFUNC] || uniformStateDirty[RWGL_ALPHAREF]){
-		float alphaTest[4];
+		float alphaTest[4] = {};
 		switch(alphaFunc){
 		case ALPHAALWAYS:
 		default:
@@ -1245,8 +1246,12 @@ getFramebufferRect(Raster *frameBuffer)
 	if(fb->type == Raster::CAMERA){
 #ifdef LIBRW_SDL2
 		SDL_GetWindowSize(glGlobals.window, &r.w, &r.h);
-#else
+#elif defined(LIBRW_SDL3)
+		SDL_GetWindowSize(glGlobals.window, &r.w, &r.h);
+#elif defined(LIBRW_GLFW)
 		glfwGetFramebufferSize(glGlobals.window, &r.w, &r.h);
+#else
+		missing implementation
 #endif
 	}else{
 		r.w = fb->width;
@@ -1411,12 +1416,20 @@ showRaster(Raster *raster, uint32 flags)
 	else
 		SDL_GL_SetSwapInterval(0);
 	SDL_GL_SwapWindow(glGlobals.window);
-#else
+#elif defined(LIBRW_SDL3)
+	if(flags & Raster::FLIPWAITVSYNCH)
+		SDL_GL_SetSwapInterval(1);
+	else
+		SDL_GL_SetSwapInterval(0);
+	SDL_GL_SwapWindow(glGlobals.window);
+#elif defined(LIBRW_GLFW)
 	if(flags & Raster::FLIPWAITVSYNCH)
 		glfwSwapInterval(1);
 	else
 		glfwSwapInterval(0);
 	glfwSwapBuffers(glGlobals.window);
+#else
+	not implemented
 #endif
 }
 
@@ -1512,7 +1525,10 @@ openSDL2(EngineOpenParams *openparams)
 		return 0;
 	}
 
-	makeVideoModeList(0);
+	glGlobals.currentDisplay = 0;
+	glGlobals.numDisplays = SDL_GetNumVideoDisplays();
+
+	makeVideoModeList(glGlobals.currentDisplay);
 
 	return 1;
 }
@@ -1580,7 +1596,7 @@ startSDL2(void)
 		return 0;
 	}
 
-	printf("OpenGL version: %s\n", glGetString(GL_VERSION));
+//	printf("OpenGL version: %s\n", glGetString(GL_VERSION));
 
 	glGlobals.window = win;
 	glGlobals.glcontext = ctx;
@@ -1599,7 +1615,178 @@ stopSDL2(void)
 	SDL_DestroyWindow(glGlobals.window);
 	return 1;
 }
-#else
+
+#elif defined(LIBRW_SDL3)
+
+static void
+addVideoMode(const SDL_DisplayMode *mode)
+{
+	int i;
+
+	for(i = 1; i < glGlobals.numModes; i++){
+		if(glGlobals.modes[i].mode.w == mode->w &&
+		   glGlobals.modes[i].mode.h == mode->h &&
+		   glGlobals.modes[i].mode.format == mode->format){
+			// had this mode already, remember highest refresh rate
+			if(mode->refresh_rate > glGlobals.modes[i].mode.refresh_rate)
+				glGlobals.modes[i].mode.refresh_rate = mode->refresh_rate;
+			return;
+		}
+	}
+
+	// none found, add
+	glGlobals.modes[glGlobals.numModes].mode = *mode;
+	glGlobals.modes[glGlobals.numModes].flags = VIDEOMODEEXCLUSIVE;
+	glGlobals.numModes++;
+}
+
+static void
+makeVideoModeList(SDL_DisplayID displayIndex, SDL_DisplayID *displays)
+{
+	int i, num, depth;
+	const SDL_DisplayMode *currentMode;
+	SDL_DisplayMode **modes;
+
+	currentMode = SDL_GetCurrentDisplayMode(displays[displayIndex]);
+	modes = SDL_GetFullscreenDisplayModes(displays[displayIndex], &num);
+
+	rwFree(glGlobals.modes);
+	glGlobals.modes = rwNewT(DisplayMode, num+(currentMode != NULL ? 1 : 0), ID_DRIVER | MEMDUR_EVENT);
+
+	if (currentMode) {
+		glGlobals.modes[0].mode = *currentMode;
+		glGlobals.modes[0].flags = 0;
+		glGlobals.numModes = 1;
+	}
+
+	for(i = 0; i < num; i++)
+		addVideoMode(modes[i]);
+
+	for(i = 0; i < glGlobals.numModes; i++){
+		depth = SDL_BITSPERPIXEL(glGlobals.modes[i].mode.format);
+		// set depth to power of two
+		for(glGlobals.modes[i].depth = 1; glGlobals.modes[i].depth < depth; glGlobals.modes[i].depth <<= 1);
+	}
+
+	SDL_free(modes);
+}
+
+static int
+openSDL3(EngineOpenParams *openparams)
+{
+	glGlobals.winWidth = openparams->width;
+	glGlobals.winHeight = openparams->height;
+	glGlobals.winTitle = openparams->windowtitle;
+	glGlobals.pWindow = openparams->window;
+
+	memset(&gl3Caps, 0, sizeof(gl3Caps));
+
+	/* Init SDL */
+	if (!SDL_InitSubSystem(SDL_INIT_VIDEO)){
+		RWERROR((ERR_GENERAL, SDL_GetError()));
+		return 0;
+	}
+
+	glGlobals.currentDisplay = 0;
+	SDL_DisplayID *displays = SDL_GetDisplays(&glGlobals.numDisplays);
+
+	if (glGlobals.currentDisplay >= glGlobals.numDisplays) {
+		RWERROR((ERR_GENERAL, SDL_GetError()));
+		return 0;
+	}
+
+	makeVideoModeList(glGlobals.currentDisplay, displays);
+	SDL_free(displays);
+
+	return 1;
+}
+
+static int
+closeSDL3(void)
+{
+	SDL_QuitSubSystem(SDL_INIT_VIDEO);
+	return 1;
+}
+
+static struct {
+	int gl;
+	int major, minor;
+} profiles[] = {
+	{ SDL_GL_CONTEXT_PROFILE_CORE, 3, 3 },
+	{ SDL_GL_CONTEXT_PROFILE_CORE, 2, 1 },
+	{ SDL_GL_CONTEXT_PROFILE_ES, 3, 1 },
+	{ SDL_GL_CONTEXT_PROFILE_ES, 2, 0 },
+	{ 0, 0, 0 },
+};
+
+static int
+startSDL3(void)
+{
+	SDL_Window *win;
+	SDL_GLContext ctx;
+	DisplayMode *mode;
+
+	mode = &glGlobals.modes[glGlobals.currentMode];
+
+	SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, glGlobals.numSamples);
+
+	int i;
+	for(i = 0; profiles[i].gl; i++){
+		SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, profiles[i].gl);
+		SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, profiles[i].major);
+		SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, profiles[i].minor);
+
+		if(mode->flags & VIDEOMODEEXCLUSIVE) {
+			win = SDL_CreateWindow(glGlobals.winTitle, mode->mode.w, mode->mode.h, SDL_WINDOW_RESIZABLE | SDL_WINDOW_OPENGL);
+			// This is the recommended way for SDL3.
+			if (win) {
+				SDL_SetWindowFullscreenMode(win, &mode->mode);
+				SDL_SetWindowFullscreen(win, true);
+			}
+		} else {
+			win = SDL_CreateWindow(glGlobals.winTitle, glGlobals.winWidth, glGlobals.winHeight, SDL_WINDOW_RESIZABLE | SDL_WINDOW_OPENGL);
+			if (win)
+				SDL_SetWindowFullscreenMode(win, NULL);
+		}
+		if(win){
+			gl3Caps.gles = profiles[i].gl == SDL_GL_CONTEXT_PROFILE_ES;
+			gl3Caps.glversion = profiles[i].major*10 + profiles[i].minor;
+			break;
+		}
+	}
+	if(win == nil){
+		RWERROR((ERR_GENERAL, SDL_GetError()));
+		return 0;
+	}
+	ctx = SDL_GL_CreateContext(win);
+
+	if (!((gl3Caps.gles ? gladLoadGLES2Loader : gladLoadGLLoader) ((GLADloadproc) SDL_GL_GetProcAddress, gl3Caps.glversion)) ) {
+		RWERROR((ERR_GENERAL, "gladLoadGLLoader failed"));
+		SDL_GL_DestroyContext(ctx);
+		SDL_DestroyWindow(win);
+		return 0;
+	}
+
+//	printf("OpenGL version: %s\n", glGetString(GL_VERSION));
+
+	glGlobals.window = win;
+	glGlobals.glcontext = ctx;
+	*glGlobals.pWindow = win;
+	glGlobals.presentWidth = 0;
+	glGlobals.presentHeight = 0;
+	glGlobals.presentOffX = 0;
+	glGlobals.presentOffY = 0;
+	return 1;
+}
+
+static int
+stopSDL3(void)
+{
+	SDL_GL_DestroyContext(glGlobals.glcontext);
+	SDL_DestroyWindow(glGlobals.window);
+	return 1;
+}
+#elif defined(LIBRW_GLFW)
 
 static void
 addVideoMode(const GLFWvidmode *mode)
@@ -1626,16 +1813,16 @@ addVideoMode(const GLFWvidmode *mode)
 }
 
 static void
-makeVideoModeList(void)
+makeVideoModeList(GLFWmonitor *monitor)
 {
 	int i, num;
 	const GLFWvidmode *modes;
 
-	modes = glfwGetVideoModes(glGlobals.monitor, &num);
+	modes = glfwGetVideoModes(monitor, &num);
 	rwFree(glGlobals.modes);
 	glGlobals.modes = rwNewT(DisplayMode, num+1, ID_DRIVER | MEMDUR_EVENT);
 
-	glGlobals.modes[0].mode = *glfwGetVideoMode(glGlobals.monitor);
+	glGlobals.modes[0].mode = *glfwGetVideoMode(monitor);
 	glGlobals.modes[0].flags = 0;
 	glGlobals.numModes = 1;
 
@@ -1669,7 +1856,7 @@ openGLFW(EngineOpenParams *openparams)
 
 	glGlobals.monitor = glfwGetMonitors(&glGlobals.numMonitors)[0];
 
-	makeVideoModeList();
+	makeVideoModeList(glGlobals.monitor);
 
 	return 1;
 }
@@ -1746,7 +1933,7 @@ startGLFW(void)
 		return 0;
 	}
 
-	printf("OpenGL version: %s\n", glGetString(GL_VERSION));
+//	printf("OpenGL version: %s\n", glGetString(GL_VERSION));
 
 	glGlobals.window = win;
 	*glGlobals.pWindow = win;
@@ -1763,6 +1950,8 @@ stopGLFW(void)
 	glfwDestroyWindow(glGlobals.window);
 	return 1;
 }
+#else
+not implemented
 #endif
 
 static int
@@ -1939,7 +2128,27 @@ deviceSystemSDL2(DeviceReq req, void *arg, int32 n)
 	case DEVICEFINALIZE:
 		return finalizeOpenGL();
 
-	// TODO: implement subsystems
+
+	case DEVICEGETNUMSUBSYSTEMS:
+		return glGlobals.numDisplays;
+
+	case DEVICEGETCURRENTSUBSYSTEM:
+		return glGlobals.currentDisplay;
+
+	case DEVICESETSUBSYSTEM:
+		if (n >= SDL_GetNumVideoDisplays())
+			return 0;
+		glGlobals.currentDisplay = n;
+		return 1;
+
+	case DEVICEGETSUBSSYSTEMINFO: {
+		const char *display_name = SDL_GetDisplayName(n);
+		if (display_name == nil)
+			return 0;
+		strncpy(((SubSystemInfo*)arg)->name, display_name, sizeof(SubSystemInfo::name));
+		return 1;
+	}
+
 
 	case DEVICEGETNUMVIDEOMODES:
 		return glGlobals.numModes;
@@ -1983,7 +2192,94 @@ deviceSystemSDL2(DeviceReq req, void *arg, int32 n)
 	return 1;
 }
 
-#else
+#elif defined(LIBRW_SDL3)
+
+static int
+deviceSystemSDL3(DeviceReq req, void *arg, int32 n)
+{
+	VideoMode *rwmode;
+
+	switch(req){
+	case DEVICEOPEN:
+		return openSDL3((EngineOpenParams*)arg);
+	case DEVICECLOSE:
+		return closeSDL3();
+
+	case DEVICEINIT:
+		return startSDL3() && initOpenGL();
+	case DEVICETERM:
+		return termOpenGL() && stopSDL3();
+
+	case DEVICEFINALIZE:
+		return finalizeOpenGL();
+
+
+	case DEVICEGETNUMSUBSYSTEMS:
+		return glGlobals.numDisplays;
+
+	case DEVICEGETCURRENTSUBSYSTEM:
+		return glGlobals.currentDisplay;
+
+	case DEVICESETSUBSYSTEM:
+		if (n >= glGlobals.numDisplays)
+			return 0;
+		glGlobals.currentDisplay = n;
+		return 1;
+
+	case DEVICEGETSUBSSYSTEMINFO: {
+		const char *display_name = SDL_GetDisplayName(n);
+		if (display_name == nil)
+			return 0;
+		strncpy(((SubSystemInfo*)arg)->name, display_name, sizeof(SubSystemInfo::name));
+		return 1;
+	}
+
+
+	case DEVICEGETNUMVIDEOMODES:
+		return glGlobals.numModes;
+
+	case DEVICEGETCURRENTVIDEOMODE:
+		return glGlobals.currentMode;
+
+	case DEVICESETVIDEOMODE:
+		if(n >= glGlobals.numModes)
+			return 0;
+		glGlobals.currentMode = n;
+		return 1;
+
+	case DEVICEGETVIDEOMODEINFO:
+		if (n < 0)
+			return 0;
+		rwmode = (VideoMode*)arg;
+		rwmode->width = glGlobals.modes[n].mode.w;
+		rwmode->height = glGlobals.modes[n].mode.h;
+		rwmode->depth = glGlobals.modes[n].depth;
+		rwmode->flags = glGlobals.modes[n].flags;
+		return 1;
+
+	case DEVICEGETMAXMULTISAMPLINGLEVELS:
+		{
+			GLint maxSamples;
+			glGetIntegerv(GL_MAX_SAMPLES, &maxSamples);
+			if(maxSamples == 0)
+				return 1;
+			return maxSamples;
+		}
+	case DEVICEGETMULTISAMPLINGLEVELS:
+		if(glGlobals.numSamples == 0)
+			return 1;
+		return glGlobals.numSamples;
+	case DEVICESETMULTISAMPLINGLEVELS:
+		glGlobals.numSamples = (uint32)n;
+		return 1;
+	default:
+		assert(0 && "not implemented");
+		return 0;
+	}
+	return 1;
+}
+
+#elif defined(LIBRW_GLFW)
 
 static int
 deviceSystemGLFW(DeviceReq req, void *arg, int32 n)
@@ -2070,6 +2366,10 @@ deviceSystemGLFW(DeviceReq req, void *arg, int32 n)
 	return 1;
 }
 
+#else
+
+not implemented
+
 #endif
 
 Device renderdevice = {
@@ -2091,8 +2391,12 @@ Device renderdevice = {
 	gl3::im3DEnd,
 #ifdef LIBRW_SDL2
 	gl3::deviceSystemSDL2
-#else
+#elif defined(LIBRW_SDL3)
+	gl3::deviceSystemSDL3
+#elif defined(LIBRW_GLFW)
 	gl3::deviceSystemGLFW
+#else
+	not implemented
 #endif
 };
 

src/gl/gl3immed.cpp

@@ -193,9 +193,11 @@ im2DRenderIndexedPrimitive(PrimitiveType primType,
 
 
 static Shader *im3dShader;
-static AttribDesc im3dattribDesc[3] = {
+static AttribDesc im3dattribDesc[4] = {
 	{ ATTRIB_POS,        GL_FLOAT,         GL_FALSE, 3,
 		sizeof(Im3DVertex), 0 },
+	{ ATTRIB_NORMAL,     GL_FLOAT,         GL_FALSE, 3,
+		sizeof(Im3DVertex), offsetof(Im3DVertex, normal) },
 	{ ATTRIB_COLOR,      GL_UNSIGNED_BYTE, GL_TRUE,  4,
 		sizeof(Im3DVertex), offsetof(Im3DVertex, r) },
 	{ ATTRIB_TEXCOORDS0, GL_FLOAT,         GL_FALSE, 2,
@@ -228,7 +230,7 @@ openIm3D(void)
 #ifdef RW_GL_USE_VAOS
 	glGenVertexArrays(1, &im3DVao);
 	glBindVertexArray(im3DVao);
-	setAttribPointers(im3dattribDesc, 3);
+	setAttribPointers(im3dattribDesc, 4);
 #endif
 }
 
@@ -244,6 +246,10 @@ closeIm3D(void)
 	im3dShader = nil;
 }
 
+// settable by user - TOOD: make this less shit
+RGBA im3dMaterialColor = { 255, 255, 255, 255 };
+SurfaceProperties im3dSurfaceProps = { 1.0f, 1.0f, 1.0f };
+
 void
 im3DTransform(void *vertices, int32 numVertices, Matrix *world, uint32 flags)
 {
@@ -253,7 +259,12 @@ im3DTransform(void *vertices, int32 numVertices, Matrix *world, uint32 flags)
 		world = &ident;
 	}
 	setWorldMatrix(world);
-	im3dShader->use();
+	if(flags & im3d::LIGHTING){
+		setMaterial(im3dMaterialColor, im3dSurfaceProps);
+		int32 vsBits = lightingCB();
+		defaultShader_fullLight->use();
+	}else
+		im3dShader->use();
 
 	if((flags & im3d::VERTEXUV) == 0)
 		SetRenderStatePtr(TEXTURERASTER, nil);
@@ -266,7 +277,7 @@ im3DTransform(void *vertices, int32 numVertices, Matrix *world, uint32 flags)
 	glBufferData(GL_ARRAY_BUFFER, STARTVERTICES*sizeof(Im3DVertex), nil, GL_STREAM_DRAW);
 	glBufferSubData(GL_ARRAY_BUFFER, 0, numVertices*sizeof(Im3DVertex), vertices);
 #ifndef RW_GL_USE_VAOS
-	setAttribPointers(im3dattribDesc, 3);
+	setAttribPointers(im3dattribDesc, 4);
 #endif
 	num3DVertices = numVertices;
 }
@@ -296,7 +307,7 @@ void
 im3DEnd(void)
 {
 #ifndef RW_GL_USE_VAOS
-	disableAttribPointers(im3dattribDesc, 3);
+	disableAttribPointers(im3dattribDesc, 4);
 #endif
 }
 

src/gl/gl3render.cpp

@@ -121,20 +121,29 @@ lightingCB(Atomic *atomic)
 	lightData.locals = locals;
 	lightData.numLocals = 8;
 
-	if(atomic->geometry->flags & rw::Geometry::LIGHT){
+	if(atomic->geometry->flags & rw::Geometry::LIGHT)
 		((World*)engine->currentWorld)->enumerateLights(atomic, &lightData);
-		if((atomic->geometry->flags & rw::Geometry::NORMALS) == 0){
-			// Get rid of lights that need normals when we don't have any
-			lightData.numDirectionals = 0;
-			lightData.numLocals = 0;
-		}
-		return setLights(&lightData);
-	}else{
+	else
 		memset(&lightData, 0, sizeof(lightData));
-		return setLights(&lightData);
-	}
+	return setLights(&lightData);
 }
 
+int32
+lightingCB(void)
+{
+	WorldLights lightData;
+	Light *directionals[8];
+	Light *locals[8];
+	lightData.directionals = directionals;
+	lightData.numDirectionals = 8;
+	lightData.locals = locals;
+	lightData.numLocals = 8;
+
+	((World*)engine->currentWorld)->enumerateLights(&lightData);
+	return setLights(&lightData);
+}
+
+
 void
 defaultRenderCB(Atomic *atomic, InstanceDataHeader *header)
 {

src/gl/gl3shader.cpp

@@ -45,6 +45,8 @@ registerUniform(const char *name, UniformType type, int32 num)
 {
 	int i;
 	i = findUniform(name);
+	if(type == UNIFORM_NA)
+		num = 0;
 	if(i >= 0){
 		Uniform *u = &uniformRegistry.uniforms[i];
 		assert(u->type == type);
@@ -222,6 +224,12 @@ linkprogram(GLint vs, GLint fs, GLuint *program)
 		glBindAttribLocation(prog, ATTRIB_INDICES, "in_indices");
 		glBindAttribLocation(prog, ATTRIB_TEXCOORDS0, "in_tex0");
 		glBindAttribLocation(prog, ATTRIB_TEXCOORDS1, "in_tex1");
+		glBindAttribLocation(prog, ATTRIB_TEXCOORDS2, "in_tex2");
+		glBindAttribLocation(prog, ATTRIB_TEXCOORDS3, "in_tex3");
+		glBindAttribLocation(prog, ATTRIB_TEXCOORDS4, "in_tex4");
+		glBindAttribLocation(prog, ATTRIB_TEXCOORDS5, "in_tex5");
+		glBindAttribLocation(prog, ATTRIB_TEXCOORDS6, "in_tex6");
+		glBindAttribLocation(prog, ATTRIB_TEXCOORDS7, "in_tex7");
 	}
 
 	glAttachShader(prog, vs);

src/gl/rwgl3.h

@@ -2,8 +2,12 @@
 #include "glad/glad.h"
 #ifdef LIBRW_SDL2
 #include <SDL.h>
-#else
+#elif defined(LIBRW_SDL3)
+#include <SDL3/SDL.h>
+#elif defined(LIBRW_GLFW)
 #include <GLFW/glfw3.h>
+#else
+not implemented
 #endif
 #endif
 
@@ -15,8 +19,13 @@ struct EngineOpenParams
 #ifdef LIBRW_SDL2
 	SDL_Window **window;
 	bool32 fullscreen;
-#else
+#elif defined(LIBRW_SDL3)
+	SDL_Window **window;
+	bool32 fullscreen;
+#elif defined(LIBRW_GLFW)
 	GLFWwindow **window;
+#else
+    not implemented
 #endif
 	int width, height;
 	const char *windowtitle;
@@ -103,12 +112,16 @@ extern Shader *defaultShader_fullLight, *defaultShader_fullLight_noAT;
 struct Im3DVertex
 {
 	V3d     position;
+	V3d     normal;		// librw extension
 	uint8   r, g, b, a;
 	float32 u, v;
 
 	void setX(float32 x) { this->position.x = x; }
 	void setY(float32 y) { this->position.y = y; }
 	void setZ(float32 z) { this->position.z = z; }
+	void setNormalX(float32 x) { this->normal.x = x; }
+	void setNormalY(float32 y) { this->normal.y = y; }
+	void setNormalZ(float32 z) { this->normal.z = z; }
 	void setColor(uint8 r, uint8 g, uint8 b, uint8 a) {
 		this->r = r; this->g = g; this->b = b; this->a = a; }
 	void setU(float32 u) { this->u = u; }
@@ -117,10 +130,15 @@ struct Im3DVertex
 	float getX(void) { return this->position.x; }
 	float getY(void) { return this->position.y; }
 	float getZ(void) { return this->position.z; }
+	float getNormalX(void) { return this->normal.x; }
+	float getNormalY(void) { return this->normal.y; }
+	float getNormalZ(void) { return this->normal.z; }
 	RGBA getColor(void) { return makeRGBA(this->r, this->g, this->b, this->a); }
 	float getU(void) { return this->u; }
 	float getV(void) { return this->v; }
 };
+extern RGBA im3dMaterialColor;
+extern SurfaceProperties im3dSurfaceProps;
 
 struct Im2DVertex
 {
@@ -221,6 +239,7 @@ void defaultInstanceCB(Geometry *geo, InstanceDataHeader *header, bool32 reinsta
 void defaultUninstanceCB(Geometry *geo, InstanceDataHeader *header);
 void defaultRenderCB(Atomic *atomic, InstanceDataHeader *header);
 int32 lightingCB(Atomic *atomic);
+int32 lightingCB(void);
 
 void drawInst_simple(InstanceDataHeader *header, InstanceData *inst);
 // Emulate PS2 GS alpha test FB_ONLY case: failed alpha writes to frame- but not to depth buffer

src/gl/rwgl3impl.h

@@ -26,8 +26,12 @@ struct DisplayMode
 {
 #ifdef LIBRW_SDL2
 	SDL_DisplayMode mode;
-#else
+#elif defined(LIBRW_SDL3)
+	SDL_DisplayMode mode;
+#elif defined(LIBRW_GLFW)
 	GLFWvidmode mode;
+#else
+	not implemented
 #endif
 	int32 depth;
 	uint32 flags;
@@ -39,13 +43,25 @@ struct GlGlobals
 	SDL_Window **pWindow;
 	SDL_Window *window;
 	SDL_GLContext glcontext;
-#else
+
+	int numDisplays;
+	int currentDisplay;
+#elif defined(LIBRW_SDL3)
+	SDL_Window **pWindow;
+	SDL_Window *window;
+	SDL_GLContext glcontext;
+
+	int numDisplays;
+	int currentDisplay;
+#elif defined(LIBRW_GLFW)
 	GLFWwindow **pWindow;
 	GLFWwindow *window;
 
 	GLFWmonitor *monitor;
 	int numMonitors;
 	int currentMonitor;
+#else
+	not implemented
 #endif
 
 	DisplayMode *modes;

src/gl/shaders/im3d.vert

@@ -8,8 +8,7 @@ void
 main(void)
 {
 	vec4 Vertex = u_world * vec4(in_pos, 1.0);
-	vec4 CamVertex = u_view * Vertex;
-	gl_Position = u_proj * CamVertex;
+	gl_Position = u_proj * u_view * Vertex;
 	v_color = in_color;
 	v_tex0 = in_tex0;
 	v_fog = DoFog(gl_Position.w);

src/gl/shaders/im3d_gl.inc

@@ -9,8 +9,7 @@ const char *im3d_vert_src =
 "main(void)\n"
 "{\n"
 "	vec4 Vertex = u_world * vec4(in_pos, 1.0);\n"
-"	vec4 CamVertex = u_view * Vertex;\n"
-"	gl_Position = u_proj * CamVertex;\n"
+"	gl_Position = u_proj * u_view * Vertex;\n"
 "	v_color = in_color;\n"
 "	v_tex0 = in_tex0;\n"
 "	v_fog = DoFog(gl_Position.w);\n"

src/gl/shaders/simple.frag

@@ -12,4 +12,3 @@ main(void)
 	DoAlphaTest(color.a);
 	FRAGCOLOR(color);
 }
-

src/image.cpp

@@ -931,16 +931,16 @@ char*
 Image::getFilename(const char *name)
 {
 	ImageGlobals *g = PLUGINOFFSET(ImageGlobals, engine, imageModuleOffset);
-	FILE *f;
+	void *f;
 	char *s, *p = g->searchPaths;
 	size_t len = strlen(name)+1;
 	if(g->numSearchPaths == 0){
 		s = rwStrdup(name, MEMDUR_EVENT);
 		makePath(s);
-		f = fopen(s, "rb");
+		f = engine->filefuncs.rwfopen(s, "rb");
 		if(f){
-			fclose(f);
-			printf("found %s\n", s);
+			engine->filefuncs.rwfclose(f);
+//			printf("found %s\n", s);
 			return s;
 		}
 		rwFree(s);
@@ -955,10 +955,10 @@ Image::getFilename(const char *name)
 			strcpy(s, p);
 			strcat(s, name);
 			makePath(s);
-			f = fopen(s, "r");
+			f = engine->filefuncs.rwfopen(s, "r");
 			if(f){
-				fclose(f);
-				printf("found %s\n", name);
+				engine->filefuncs.rwfclose(f);
+//				printf("found %s\n", name);
 				return s;
 			}
 			rwFree(s);

src/plg.cpp

@@ -185,8 +185,8 @@ PluginList::registerPlugin(int32 size, uint32 id,
 	p->rightsCallback = nil;
 	p->alwaysCallback = nil;
 	p->parentList = this;
-	this->plugins.add(&p->inParentList);
-	allPlugins.add(&p->inGlobalList);
+	this->plugins.append(&p->inParentList);
+	allPlugins.append(&p->inGlobalList);
 	return p->offset;
 }
 

src/ps2/ps2.cpp

@@ -21,6 +21,8 @@
 namespace rw {
 namespace ps2 {
 
+bool adcHack = false;
+
 #define ALIGNPTR(p,a) ((uint8*)(((uintptr)(p)+a-1) & ~(uintptr)(a-1)))
 
 static void*
@@ -706,13 +708,21 @@ MatPipeline::instance(Geometry *g, InstanceData *inst, Mesh *m)
 
 		for(uint i = 0; i < nelem(this->attribs); i++)
 			if((a = this->attribs[i]) && (a->attrib & AT_RW) == 0){
-				if(rw::version >= 0x35000)
-					*p++ = VIF_NOP;
-				else
-					*p++ = VIF_MARK | markcnt++;
-				*p++ = VIF_STMOD;
+				uint32 mask;
+				if(adcHack && a == &attribXYZ){
+					*p++ = VIF_STMASK;
+					*p++ = 1 << 6;		// write w field with VIF1_R3
+					mask = 0x10000000;
+				}else{
+					if(rw::version >= 0x35000)
+						*p++ = VIF_NOP;
+					else
+						*p++ = VIF_MARK | markcnt++;
+					*p++ = VIF_STMOD;
+					mask = 0x00000000;
+				}
 				*p++ = VIF_STCYCL1 | this->inputStride;
-				*p++ = (a->attrib&0xFF004000)
+				*p++ = (a->attrib&0xFF004000) | mask
 					| 0x8000 | nverts << 16 | i; // UNPACK
 
 				if(a == &attribXYZ)

src/ps2/ps2raster.cpp

@@ -1219,7 +1219,7 @@ rasterCreateTexture(Raster *raster)
 				// this obviously only works with 32 bit pointers, but it's only needed on the PS2 anyway
 				*xferchain++ = (uint32)(uintptr)p - 0x50;
 				*xferchain++ = 0;		// VIF nop
-				*xferchain++ = 0x50000000 | sz+5;	// VIF DIRECT 2 qwords
+				*xferchain++ = 0x50000000 | sz+5;	// VIF DIRECT
 			}else{
 				// Add to existing transfer
 				xferchain[-4] = 0x30000000 | (xferchain[-4]&0xFFFF) + sz+5;	// last DMAref
@@ -1243,7 +1243,7 @@ rasterCreateTexture(Raster *raster)
 			*p++ = 0;
 
 			// TRXPOS
-			*(uint64*)p = paltrxpos;
+			*(uint64*)p = (uint64)paltrxpos<<32;
 			p += 2;
 			*p++ = 0x51;
 			*p++ = 0;
@@ -1291,10 +1291,10 @@ rasterCreateTexture(Raster *raster)
 				xferchain[1] = xferchain[-15];
 				xferchain[2] = xferchain[-14];
 				xferchain[3] = xferchain[-13];
+				xferchain += 4;
 				// Add to last transfer
 				xferchain[-16] = 0x30000000 | (xferchain[-16]&0xFFFF) + sz+5;	// last DMAref
 				xferchain[-13] = 0x50000000 | (xferchain[-13]&0xFFFF) + sz+5;	// last DIRECT
-				xferchain += 4;
 				pp->numTransfers--;
 			}
 
@@ -1302,7 +1302,7 @@ rasterCreateTexture(Raster *raster)
 			// this obviously only works with 32 bit pointers, but it's only needed on the PS2 anyway
 			*xferchain++ = (uint32)(uintptr)p - 0x50;
 			*xferchain++ = 0;		// VIF nop
-			*xferchain++ = 0x50000000 | sz+5;	// VIF DIRECT 2 qwords
+			*xferchain++ = 0x50000000 | sz+5;	// VIF DIRECT
 		}
 	}
 	raster->originalPixels = raster->pixels;

src/ps2/rwps2.h

@@ -15,8 +15,8 @@ extern Device renderdevice;
 struct Im2DVertex
 {
 	float32 x, y, z, w;
-	uint32  r, g, b, a;
 	float32 u, v, q, PAD;
+	uint32  r, g, b, a;
 
 	void setScreenX(float32 x) { this->x = x; }
 	void setScreenY(float32 y) { this->y = y; }
@@ -38,6 +38,28 @@ struct Im2DVertex
 	float getV(void) { return this->v; }
 };
 
+struct Im3DVertex
+{
+	V3d     position;
+	uint8   r, g, b, a;
+	float32 u, v;
+
+	void setX(float32 x) { this->position.x = x; }
+	void setY(float32 y) { this->position.y = y; }
+	void setZ(float32 z) { this->position.z = z; }
+	void setColor(uint8 r, uint8 g, uint8 b, uint8 a) {
+		this->r = r; this->g = g; this->b = b; this->a = a; }
+	void setU(float32 u) { this->u = u; }
+	void setV(float32 v) { this->v = v; }
+
+	float getX(void) { return this->position.x; }
+	float getY(void) { return this->position.y; }
+	float getZ(void) { return this->position.z; }
+	RGBA getColor(void) { return makeRGBA(this->r, this->g, this->b, this->a); }
+	float getU(void) { return this->u; }
+	float getV(void) { return this->v; }
+};
+
 
 struct InstanceData
 {
@@ -99,6 +121,7 @@ struct PipeAttribute
 	uint32 attrib;
 };
 
+extern bool adcHack;		// use MASK write to initialize ADC field in vertex cluster
 extern PipeAttribute attribXYZ;
 extern PipeAttribute attribXYZW;
 extern PipeAttribute attribUV;

src/rwbase.h

@@ -70,9 +70,13 @@ typedef int32 bool32;
 typedef uint8 byte;
 typedef uint32 uint;
 
+#ifndef nil
 #define nil NULL
+#endif
 
+#ifndef nelem
 #define nelem(A) (sizeof(A) / sizeof A[0])
+#endif
 
 #ifdef __GNUC__
 #define RWALIGN(n) __attribute__ ((aligned (n)))
@@ -151,7 +155,7 @@ struct RGBA
 	uint8 blue;
 	uint8 alpha;
 };
-inline RGBA makeRGBA(uint8 r, uint8 g, uint8 b, uint8 a) { RGBA c = { r, g, b, a }; return c; }
+inline RGBA makeRGBA(uint8 r, uint8 g, uint8 b, uint8 a) { RGBA c; c.red = r; c.green = g; c.blue = b; c.alpha = a; return c; }
 inline bool32 equal(const RGBA &c1, const RGBA &c2) { return c1.red == c2.red && c1.green == c2.green && c1.blue == c2.blue && c1.alpha == c2.alpha; }
 #define RWRGBAINT(r, g, b, a) ((uint32)((((a)&0xff)<<24)|(((b)&0xff)<<16)|(((g)&0xff)<<8)|((r)&0xff)))
 
@@ -162,7 +166,7 @@ struct RGBAf
 	float32 blue;
 	float32 alpha;
 };
-inline RGBAf makeRGBAf(float32 r, float32 g, float32 b, float32 a) { RGBAf c = { r, g, b, a }; return c; }
+inline RGBAf makeRGBAf(float32 r, float32 g, float32 b, float32 a) { RGBAf c; c.red = r; c.green = g; c.blue = b; c.alpha = a; return c; }
 inline bool32 equal(const RGBAf &c1, const RGBAf &c2) { return c1.red == c2.red && c1.green == c2.green && c1.blue == c2.blue && c1.alpha == c2.alpha; }
 inline RGBAf add(const RGBAf &a, const RGBAf &b) { return makeRGBAf(a.red+b.red, a.green+b.green, a.blue+b.blue, a.alpha+b.alpha); }
 inline RGBAf modulate(const RGBAf &a, const RGBAf &b) { return makeRGBAf(a.red*b.red, a.green*b.green, a.blue*b.blue, a.alpha*b.alpha); }
@@ -215,7 +219,7 @@ struct V2d
 		this->x = x; this->y = y; }
 };
 
-inline V2d makeV2d(float32 x, float32 y) { V2d v = { x, y }; return v; }
+inline V2d makeV2d(float32 x, float32 y) { V2d v; v.x = x; v.y = y; return v; }
 inline bool32 equal(const V2d &v1, const V2d &v2) { return v1.x == v2.x && v1.y == v2.y; }
 inline V2d neg(const V2d &a) { return makeV2d(-a.x, -a.y); }
 inline V2d add(const V2d &a, const V2d &b) { return makeV2d(a.x+b.x, a.y+b.y); }
@@ -233,7 +237,7 @@ struct V3d
 	static void transformVectors(V3d *out, const V3d *in, int32 n, const Matrix *m);
 };
 
-inline V3d makeV3d(float32 x, float32 y, float32 z) { V3d v = { x, y, z }; return v; }
+inline V3d makeV3d(float32 x, float32 y, float32 z) { V3d v; v.x = x; v.y = y; v.z = z; return v; }
 inline bool32 equal(const V3d &v1, const V3d &v2) { return v1.x == v2.x && v1.y == v2.y && v1.z == v2.z; }
 inline V3d neg(const V3d &a) { return makeV3d(-a.x, -a.y, -a.z); }
 inline V3d add(const V3d &a, const V3d &b) { return makeV3d(a.x+b.x, a.y+b.y, a.z+b.z); }
@@ -281,8 +285,8 @@ struct Quat
 	Quat *rotate(const V3d *axis, float32 angle, CombineOp op = rw::COMBINEPOSTCONCAT);
 };
 
-inline Quat makeQuat(float32 w, float32 x, float32 y, float32 z) { Quat q = { x, y, z, w }; return q; }
-inline Quat makeQuat(float32 w, const V3d &vec) { Quat q = { vec.x, vec.y, vec.z, w }; return q; }
+inline Quat makeQuat(float32 w, float32 x, float32 y, float32 z) { Quat q; q.x = x; q.y = y; q.z = z; q.w = w; return q; }
+inline Quat makeQuat(float32 w, const V3d &vec) { return makeQuat(w, vec.x, vec.y, vec.z); }
 inline Quat add(const Quat &q, const Quat &p) { return makeQuat(q.w+p.w, q.x+p.x, q.y+p.y, q.z+p.z); }
 inline Quat sub(const Quat &q, const Quat &p) { return makeQuat(q.w-p.w, q.x-p.x, q.y-p.y, q.z-p.z); }
 inline Quat negate(const Quat &q) { return makeQuat(-q.w, -q.x, -q.y, -q.z); }
@@ -343,7 +347,7 @@ struct Matrix
 	void destroy(void);
 	void setIdentity(void);
 	void optimize(Tolerance *tolerance = nil);
-	void update(void) { flags &= ~(IDENTITY|TYPEMASK); }
+	void update(void) { flags &= ~(int(IDENTITY) | int(TYPEMASK)); }
 	static Matrix *mult(Matrix *dst, const Matrix *src1, const Matrix *src2);
 	static Matrix *invert(Matrix *dst, const Matrix *src);
 	static Matrix *transpose(Matrix *dst, const Matrix *src);
@@ -510,8 +514,7 @@ public:
 class StreamFile : public Stream
 {
 public:
-	FILE *file;
-
+	void *file;
 	StreamFile(void) { file = nil; }
 	void close(void);
 	uint32 write8(const void *data, uint32 length);

src/rwengine.h

@@ -121,6 +121,17 @@ struct MemoryFunctions
 	void *(*rwmustrealloc)(void *p, size_t sz, uint32 hint);
 };
 
+struct FileFunctions
+{
+	void *(*rwfopen)(const char *path, const char *mode);
+	int (*rwfclose)(void *fp);
+	int (*rwfseek)(void *fp, long offset, int whence);
+	long (*rwftell)(void *fp);
+	size_t (*rwfread)(void *ptr, size_t size, size_t nmemb, void *fp);
+	size_t (*rwfwrite)(const void *ptr, size_t size, size_t nmemb, void *fp);
+	int (*rwfeof)(void *fp);
+};
+
 struct SubSystemInfo
 {
 	char name[80];
@@ -155,6 +166,7 @@ struct Engine
 	Camera *currentCamera;
 	World *currentWorld;
 	LinkList frameDirtyList;
+	FileFunctions filefuncs;
 
 	// Dynamically allocated because of plugins
 	Driver *driver[NUM_PLATFORMS];

src/rwobjects.h

@@ -71,6 +71,7 @@ struct Frame
 		return !!(this->root->object.privateFlags & HIERARCHYSYNC); }
 	Matrix *getLTM(void);
 	void rotate(const V3d *axis, float32 angle, CombineOp op = rw::COMBINEPOSTCONCAT);
+	void rotate(const Quat *q, CombineOp op = rw::COMBINEPOSTCONCAT);
 	void translate(const V3d *trans, CombineOp op = rw::COMBINEPOSTCONCAT);
 	void scale(const V3d *scale, CombineOp op = rw::COMBINEPOSTCONCAT);
 	void transform(const Matrix *mat, CombineOp op = rw::COMBINEPOSTCONCAT);
@@ -872,6 +873,7 @@ struct World
 	void removeClump(Clump *clump);
 	void render(void);
 	void enumerateLights(Atomic *atomic, WorldLights *lightData);
+	void enumerateLights(WorldLights *lightData);
 };
 
 struct TexDictionary

src/rwrender.h

@@ -123,6 +123,7 @@ enum TransformFlags
 	NOCLIP        = 4,	// don't frustum clip
 	VERTEXXYZ     = 8,	// has position
 	VERTEXRGBA    = 16,	// has color
+	LIGHTING      = 32,	// do lighting, assumes normals (librw extension)
 	EVERYTHING = VERTEXUV|VERTEXXYZ|VERTEXRGBA
 };
 

src/texture.cpp

@@ -73,7 +73,7 @@ textureClose(void *object, int32 offset, int32 size)
 
 	FORLIST(lnk, TEXTUREGLOBAL(textures)){
 		Texture *tex = LLLinkGetData(lnk, Texture, inGlobalList);
-		printf("Tex still allocated: %d %s %s\n", tex->refCount, tex->name, tex->mask);
+//		printf("Tex still allocated: %d %s %s\n", tex->refCount, tex->name, tex->mask);
 		assert(tex->dict == nil);
 		tex->destroy();
 	}

src/world.cpp

@@ -195,4 +195,44 @@ World::enumerateLights(Atomic *atomic, WorldLights *lightData)
 	}
 }
 
+// Find all lights, for im3d lighting extension
+// missing flags and bounding spheres so more primitive than above
+void
+World::enumerateLights(WorldLights *lightData)
+{
+	int32 maxDirectionals, maxLocals;
+
+	maxDirectionals = lightData->numDirectionals;
+	maxLocals = lightData->numLocals;
+
+	lightData->numDirectionals = 0;
+	lightData->numLocals = 0;
+	lightData->numAmbients = 0;
+	lightData->ambient.red = 0.0f;
+	lightData->ambient.green = 0.0f;
+	lightData->ambient.blue = 0.0f;
+	lightData->ambient.alpha = 1.0f;
+
+	FORLIST(lnk, this->globalLights){
+		Light *l = Light::fromWorld(lnk);
+		if(l->getType() == Light::AMBIENT){
+			lightData->ambient.red   += l->color.red;
+			lightData->ambient.green += l->color.green;
+			lightData->ambient.blue  += l->color.blue;
+			lightData->numAmbients++;
+		}else if(l->getType() == Light::DIRECTIONAL){
+			if(lightData->numDirectionals < maxDirectionals)
+				lightData->directionals[lightData->numDirectionals++] = l;
+		}
+	}
+
+	FORLIST(lnk, this->localLights){
+		if(lightData->numLocals >= maxLocals)
+			return;
+
+		Light *l = Light::fromWorld(lnk);
+		lightData->locals[lightData->numLocals++] = l;
+	}
+}
+
 }

tools/dumprwtree/CMakeLists.txt

@@ -7,6 +7,10 @@ target_link_libraries(dumprwtree
         librw::librw
 )
 
+if(LIBRW_GL3_GFXLIB MATCHES "SDL[23]")
+    target_compile_definitions(dumprwtree PRIVATE SDL_MAIN_HANDLED)
+endif()
+
 if(LIBRW_INSTALL)
     install(TARGETS dumprwtree
         RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"

tools/hopalong/main.cpp

@@ -0,0 +1,469 @@
+#include <rw.h>
+#include <skeleton.h>
+#include <assert.h>
+
+rw::V3d zero = { 0.0f, 0.0f, 0.0f };
+struct SceneGlobals {
+	rw::World *world;
+	rw::Camera *camera;
+} Scene;
+rw::EngineOpenParams engineOpenParams;
+
+rw::Texture *ParticleTex;
+rw::Raster *ParticleRaster;
+
+static rw::RWDEVICE::Im2DVertex im2dVerts[1024];
+static int numImVerts;
+static rw::uint16 imIndices[1024*2];
+static int numImIndices;
+static rw::PrimitiveType imPrim;
+
+void
+BeginIm2D(rw::PrimitiveType prim)
+{
+	numImVerts = 0;
+	numImIndices = 0;
+	imPrim = prim;
+}
+
+void
+EndIm2D(void)
+{
+	rw::im2d::RenderIndexedPrimitive(imPrim, &im2dVerts, numImVerts, &imIndices, numImIndices);
+}
+
+void
+RenderParticle(float x, float y, float sz, rw::RGBA col)
+{
+	using namespace rw;
+	using namespace RWDEVICE;
+
+	if(numImVerts+4 > nelem(im2dVerts) ||
+	   numImIndices+6 > nelem(imIndices)){
+		EndIm2D();
+		numImVerts = 0;
+		numImIndices = 0;
+	}
+
+	float recipZ = 1.0f/Scene.camera->nearPlane;
+	rw::RWDEVICE::Im2DVertex *verts = &im2dVerts[numImVerts];
+
+	x += sk::globals.width/2;
+	y += sk::globals.height/2;
+
+	verts[0].setScreenX(x-sz);
+	verts[0].setScreenY(y-sz);
+	verts[0].setScreenZ(rw::im2d::GetNearZ());
+	verts[0].setCameraZ(Scene.camera->nearPlane);
+	verts[0].setRecipCameraZ(recipZ);
+	verts[0].setColor(col.red, col.green, col.blue, col.alpha);
+	verts[0].setU(0.0f, recipZ);
+	verts[0].setV(0.0f, recipZ);
+
+	verts[1].setScreenX(x+sz);
+	verts[1].setScreenY(y-sz);
+	verts[1].setScreenZ(rw::im2d::GetNearZ());
+	verts[1].setCameraZ(Scene.camera->nearPlane);
+	verts[1].setRecipCameraZ(recipZ);
+	verts[1].setColor(col.red, col.green, col.blue, col.alpha);
+	verts[1].setU(1.0f, recipZ);
+	verts[1].setV(0.0f, recipZ);
+
+	verts[2].setScreenX(x+sz);
+	verts[2].setScreenY(y+sz);
+	verts[2].setScreenZ(rw::im2d::GetNearZ());
+	verts[2].setCameraZ(Scene.camera->nearPlane);
+	verts[2].setRecipCameraZ(recipZ);
+	verts[2].setColor(col.red, col.green, col.blue, col.alpha);
+	verts[2].setU(1.0f, recipZ);
+	verts[2].setV(1.0f, recipZ);
+
+	verts[3].setScreenX(x-sz);
+	verts[3].setScreenY(y+sz);
+	verts[3].setScreenZ(rw::im2d::GetNearZ());
+	verts[3].setCameraZ(Scene.camera->nearPlane);
+	verts[3].setRecipCameraZ(recipZ);
+	verts[3].setColor(col.red, col.green, col.blue, col.alpha);
+	verts[3].setU(0.0f, recipZ);
+	verts[3].setV(1.0f, recipZ);
+
+	imIndices[numImIndices+0] = numImVerts+0;
+	imIndices[numImIndices+1] = numImVerts+1;
+	imIndices[numImIndices+2] = numImVerts+2;
+	imIndices[numImIndices+3] = numImVerts+0;
+	imIndices[numImIndices+4] = numImVerts+2;
+	imIndices[numImIndices+5] = numImVerts+3;
+
+	numImVerts += 4;
+	numImIndices += 6;
+}
+
+float sgn(float f) { return f < 0.0f ? -1.0f : f > 0.0f ? 1.0f : 0.0f; }
+
+struct Orbit
+{
+	ImVec4 color;
+	float StartX;
+	float StartY;
+	float PointSz;
+	int numIterations;
+	bool used;
+};
+
+Orbit orbits[100];
+int curOrbit = 0;
+
+float A = 0.0f;
+float B = 0.0f;
+float C = 0.0f;
+float D = 0.0f;
+float E = 0.0f;
+float Exp = 0.25f;
+float Scale = 50.0f;
+int type;
+bool textured = true;
+bool animateX;
+bool animateY;
+bool animateA;
+bool animateB;
+bool animateC;
+
+void
+ResetOrbit(Orbit *o)
+{
+	o->color = ImVec4(1.0f, 0.0f, 0.0f, 1.00f);
+	o->StartX = 1.0f;
+	o->StartY = 0.0f;
+	o->PointSz = 3.0f;
+	o->numIterations = 1000;
+	o->used = false;
+}
+
+void
+RenderOrbit(Orbit *o)
+{
+	rw::RGBA red = { 0xFF, 0, 0, 0xFF };
+	rw::RGBA color = rw::makeRGBA(o->color.x*255, o->color.y*255, o->color.z*255, o->color.w*255);
+
+	float x1, y1;
+	float x0 = o->StartX;
+	float y0 = o->StartY;
+	int n = o->numIterations;
+
+	if(textured){
+		rw::SetRenderStatePtr(rw::TEXTURERASTER, ParticleRaster);
+		rw::SetRenderState(rw::TEXTUREFILTER, rw::Texture::LINEAR);
+	}else
+		rw::SetRenderStatePtr(rw::TEXTURERASTER, nil);
+	BeginIm2D(rw::PRIMTYPETRILIST);
+	while(n--){
+		switch(type){
+		case 0:
+		default:
+			x1 = y0 - sgn(x0)*(D + sqrtf(fabs(B*x0 - C)));
+			break;
+		case 1:
+			x1 = y0 - sgn(x0)*(D + powf(fabs(B*x0 - C), Exp));
+			break;
+		case 2:
+			x1 = y0 - sgn(x0)*(D + logf(2.0f + sqrtf(fabs(B*x0 - C))));
+			break;
+		}
+		y1 = A - x0;
+		x1 += E;
+		RenderParticle(x1*Scale, y1*Scale, o->PointSz, color);
+		x0 = x1;
+		y0 = y1;
+	}
+	EndIm2D();
+}
+
+void
+RenderHopalong(void)
+{
+	int i;
+	for(i = 0; i < nelem(orbits); i++)
+		if(orbits[i].used)
+			RenderOrbit(&orbits[i]);
+}
+
+void
+Init(void)
+{
+	sk::globals.windowtitle = "Hopalong map";
+	sk::globals.width = 1280;
+	sk::globals.height = 800;
+	sk::globals.quit = 0;
+}
+
+bool
+attachPlugins(void)
+{
+	rw::ps2::registerPDSPlugin(40);
+	rw::ps2::registerPluginPDSPipes();
+
+	rw::registerMeshPlugin();
+	rw::registerNativeDataPlugin();
+	rw::registerAtomicRightsPlugin();
+	rw::registerMaterialRightsPlugin();
+	rw::xbox::registerVertexFormatPlugin();
+	rw::registerSkinPlugin();
+	rw::registerUserDataPlugin();
+	rw::registerHAnimPlugin();
+	rw::registerMatFXPlugin();
+	rw::registerUVAnimPlugin();
+	rw::ps2::registerADCPlugin();
+	return true;
+}
+
+#include "particle.inc"
+
+#include "vfs.h"
+VFS_file files[] = {
+	{ "particle.png", particle_png, particle_png_len }
+};
+VFS vfs = {
+	files, nelem(files)
+};
+
+bool
+InitRW(void)
+{
+	if(!sk::InitRW())
+		return false;
+	installVFS(&vfs);
+
+	Scene.world = rw::World::create();
+
+	ParticleTex = rw::Texture::read("particle", nil);
+	if(ParticleTex)
+		ParticleRaster = ParticleTex->raster;
+
+	rw::Light *ambient = rw::Light::create(rw::Light::AMBIENT);
+	ambient->setColor(0.2f, 0.2f, 0.2f);
+	Scene.world->addLight(ambient);
+
+	rw::V3d xaxis = { 1.0f, 0.0f, 0.0f };
+	rw::Light *direct = rw::Light::create(rw::Light::DIRECTIONAL);
+	direct->setColor(0.8f, 0.8f, 0.8f);
+	direct->setFrame(rw::Frame::create());
+	direct->getFrame()->rotate(&xaxis, 180.0f, rw::COMBINEREPLACE);
+	Scene.world->addLight(direct);
+
+	Scene.camera = sk::CameraCreate(sk::globals.width, sk::globals.height, 1);
+	Scene.world->addCamera(Scene.camera);
+
+
+	for(int i = 0; i < nelem(orbits); i++)
+		ResetOrbit(&orbits[i]);
+	orbits[0].used = true;
+
+	ImGui_ImplRW_Init();
+	ImGui::StyleColorsClassic();
+
+	return true;
+}
+
+void
+orbitGUI(Orbit *o)
+{
+	ImGui::SliderFloat("x0", &o->StartX, -10.0f, 10.0f);
+	ImGui::SliderFloat("y0", &o->StartY, -10.0f, 10.0f);
+	ImGui::SliderFloat("Point Size", &o->PointSz, 0.5f, 10.0f);
+	ImGui::SliderInt("NumPoints", &o->numIterations, 1, 10000);
+	ImGui::ColorEdit3("color", (float*)&o->color);
+
+/*
+	ImGui::Checkbox("Textured", &textured);
+	ImGui::Checkbox("AnimateX", &animateX);
+	ImGui::Checkbox("AnimateY", &animateY);
+	ImGui::Checkbox("AnimateA", &animateA);
+	ImGui::Checkbox("AnimateB", &animateB);
+	ImGui::Checkbox("AnimateC", &animateC);
+*/
+}
+
+void
+hopalongGUI(void)
+{
+	int i;
+	static char tmp[128];
+	if(curOrbit >= 0)
+		orbitGUI(&orbits[curOrbit]);
+	ImGui::SliderFloat("A", &A, -10.0f, 10.0f);
+	ImGui::SliderFloat("B", &B, -10.0f, 10.0f);
+	ImGui::SliderFloat("C", &C, -10.0f, 10.0f);
+	ImGui::SliderFloat("D", &D, -10.0f, 10.0f);
+	ImGui::SliderFloat("E", &E, -10.0f, 10.0f);
+	ImGui::SliderFloat("exp", &Exp, 0.001f, 4.0f);
+	ImGui::RadioButton("sqrt", &type, 0);
+	ImGui::RadioButton("^exp", &type, 1);
+	ImGui::RadioButton("log", &type, 2);
+	ImGui::SliderFloat("Scale", &Scale, 1.0f, 100.0f);
+	for(i = 0; i < nelem(orbits); i++){
+		if(orbits[i].used){
+			sprintf(tmp, "Orbit %d\n", i);
+			if(ImGui::Button(tmp))
+				curOrbit = i;
+		}
+	}
+	if( ImGui::Button("Add Orbit"))
+		for(i = 0; i < nelem(orbits); i++)
+			if(!orbits[i].used){
+				ResetOrbit(&orbits[i]);
+				orbits[i].used = true;
+				curOrbit = i;
+				break;
+			}
+	if(curOrbit >= 0 && ImGui::Button("Remove Orbit")){
+		orbits[curOrbit].used = false;
+		curOrbit = -1;
+		for(i = 0; i < nelem(orbits); i++)
+			if(orbits[i].used){
+				curOrbit = i;
+				break;
+			}
+	}
+}
+
+#ifdef __unix__
+#include <unistd.h>
+#endif
+
+void
+Draw(float timeDelta)
+{
+	static bool show_demo_window = false;
+
+	rw::RGBA clearcol = { 0, 0, 0, 255 };
+	Scene.camera->clear(&clearcol, rw::Camera::CLEARIMAGE|rw::Camera::CLEARZ);
+	Scene.camera->beginUpdate();
+
+	ImGui_ImplRW_NewFrame(timeDelta);
+
+	RenderHopalong();
+
+/*
+	if(animateX) StartX += timeDelta/10000.0f;
+	if(animateY) StartY += timeDelta/10000.0f;
+	if(animateA) A += timeDelta/10000.0f;
+	if(animateB) B += timeDelta/10000.0f;
+	if(animateC) C += timeDelta/10000.0f;
+*/
+
+	hopalongGUI();
+
+	if(show_demo_window){
+		ImGui::SetNextWindowPos(ImVec2(650, 20), ImGuiCond_FirstUseEver);
+		ImGui::ShowDemoWindow(&show_demo_window);
+	}
+
+
+	ImGui::EndFrame();
+	ImGui::Render();
+
+	ImGui_ImplRW_RenderDrawLists(ImGui::GetDrawData());
+
+	Scene.camera->endUpdate();
+	Scene.camera->showRaster(0);
+
+#ifdef __unix__
+	usleep(10000);
+#endif
+}
+
+
+void
+KeyUp(int key)
+{
+}
+
+void
+KeyDown(int key)
+{
+	switch(key){
+	case sk::KEY_ESC:
+		sk::globals.quit = 1;
+		break;
+	}
+}
+
+int MouseX, MouseY;
+int MouseDeltaX, MouseDeltaY;
+int MouseButtons;
+
+void
+MouseBtn(sk::MouseState *mouse)
+{
+	MouseButtons = mouse->buttons;
+}
+
+void
+MouseMove(sk::MouseState *mouse)
+{
+	MouseDeltaX = mouse->posx - MouseX;
+	MouseDeltaY = mouse->posy - MouseY;
+	MouseX = mouse->posx;
+	MouseY = mouse->posy;
+	if(MouseButtons&1){
+		int mx = MouseX - sk::globals.width/2;
+		int my = MouseY - sk::globals.height/2;
+		if(curOrbit >= 0){
+			orbits[curOrbit].StartX = mx/Scale;
+			orbits[curOrbit].StartY = my/Scale;
+		}
+	}
+}
+
+sk::EventStatus
+AppEventHandler(sk::Event e, void *param)
+{
+	using namespace sk;
+	Rect *r;
+	MouseState *ms;
+
+	ImGuiEventHandler(e, param);
+	ImGuiIO &io = ImGui::GetIO();
+
+	switch(e){
+	case INITIALIZE:
+		Init();
+		return EVENTPROCESSED;
+	case RWINITIALIZE:
+		return ::InitRW() ? EVENTPROCESSED : EVENTERROR;
+	case PLUGINATTACH:
+		return attachPlugins() ? EVENTPROCESSED : EVENTERROR;
+	case KEYDOWN:
+		KeyDown(*(int*)param);
+		return EVENTPROCESSED;
+	case KEYUP:
+		KeyUp(*(int*)param);
+		return EVENTPROCESSED;
+	case MOUSEBTN:
+		if(!io.WantCaptureMouse){
+			ms = (MouseState*)param;
+			MouseBtn(ms);
+		}else
+			MouseButtons = 0;
+		return EVENTPROCESSED;
+	case MOUSEMOVE:
+		MouseMove((MouseState*)param);
+		return EVENTPROCESSED;
+	case RESIZE:
+		r = (Rect*)param;
+		// TODO: register when we're minimized
+		if(r->w == 0) r->w = 1;
+		if(r->h == 0) r->h = 1;
+
+		sk::globals.width = r->w;
+		sk::globals.height = r->h;
+		// TODO: set aspect ratio
+		if(Scene.camera)
+			sk::CameraSize(Scene.camera, r);
+		break;
+	case IDLE:
+		Draw(*(float*)param);
+		return EVENTPROCESSED;
+	}
+	return sk::EVENTNOTPROCESSED;
+}

tools/hopalong/particle.inc

@@ -0,0 +1,467 @@
+unsigned char particle_png[] = {
+  0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a, 0x00, 0x00, 0x00, 0x0d,
+  0x49, 0x48, 0x44, 0x52, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00,
+  0x08, 0x03, 0x00, 0x00, 0x00, 0x6b, 0xac, 0x58, 0x54, 0x00, 0x00, 0x02,
+  0xfd, 0x50, 0x4c, 0x54, 0x45, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0x52, 0x92, 0xc4, 0x9b, 0x00, 0x00, 0x00, 0xfe, 0x74, 0x52,
+  0x4e, 0x53, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a,
+  0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16,
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+  0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e,
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+  0xfe, 0xf2, 0x23, 0x60, 0xbd, 0x09, 0x8a, 0xdc, 0xed, 0xdf, 0x8f, 0xc1,
+  0x7e, 0x28, 0xd2, 0xcd, 0x01, 0x7e, 0x38, 0xd2, 0x8f, 0xc3, 0x04, 0x41,
+  0x7d, 0x61, 0x03, 0x5c, 0x12, 0xe0, 0x26, 0x38, 0x31, 0x6a, 0x0d, 0xb0,
+  0xfd, 0xc1, 0x6f, 0x22, 0xd0, 0x16, 0x74, 0x0b, 0xb8, 0x04, 0x8c, 0x41,
+  0x14, 0x10, 0x04, 0xf5, 0xfa, 0x9f, 0xea, 0x9a, 0x0d, 0x80, 0x00, 0x0c,
+  0x64, 0x15, 0x24, 0xbc, 0x01, 0xf8, 0xe2, 0xb7, 0x04, 0xcd, 0xc0, 0xf9,
+  0x28, 0x4c, 0x0a, 0x5a, 0x84, 0x2f, 0x03, 0x06, 0x61, 0x4a, 0xc8, 0x02,
+  0x90, 0xff, 0xb2, 0x80, 0x91, 0x31, 0xa0, 0x80, 0x7e, 0x08, 0x9a, 0x67,
+  0x20, 0xfc, 0x61, 0xa0, 0x49, 0xc1, 0x7e, 0x18, 0x52, 0x40, 0x06, 0xc0,
+  0x58, 0x0b, 0x58, 0xc6, 0xc0, 0x09, 0x57, 0xec, 0x0a, 0xe8, 0x87, 0x00,
+  0xdf, 0x11, 0xb4, 0x06, 0x7d, 0x57, 0x70, 0x3d, 0x0a, 0x20, 0xa0, 0x2e,
+  0xa7, 0x24, 0x03, 0xe0, 0xba, 0x00, 0x63, 0xa0, 0x76, 0x41, 0x1f, 0x80,
+  0xee, 0x00, 0xb7, 0x40, 0x9f, 0x01, 0x6e, 0x01, 0xf7, 0x40, 0x1f, 0x84,
+  0x59, 0x80, 0x7d, 0x00, 0xac, 0x05, 0x50, 0x86, 0x6e, 0xff, 0x4c, 0x80,
+  0x7e, 0x07, 0xac, 0x33, 0xe0, 0xfa, 0x1e, 0xc8, 0x14, 0x20, 0x08, 0x28,
+  0xc0, 0xdf, 0x09, 0xd0, 0x40, 0xcd, 0x84, 0xb9, 0x16, 0x0e, 0x12, 0xe0,
+  0xbc, 0x84, 0x02, 0x0c, 0x34, 0x73, 0x00, 0xfc, 0x81, 0x7f, 0xf2, 0x93,
+  0x02, 0x8f, 0x7c, 0xdd, 0x6b, 0xfe, 0x83, 0x7f, 0x25, 0x60, 0x6d, 0x20,
+  0xdb, 0xd0, 0x3f, 0x47, 0xdd, 0xf3, 0x43, 0xe1, 0xa6, 0x04, 0x3c, 0x0d,
+  0xf6, 0x35, 0x10, 0x1f, 0x13, 0x17, 0xfe, 0x34, 0x08, 0xb3, 0xff, 0xe4,
+  0xbf, 0x2e, 0xc0, 0x18, 0x38, 0x0a, 0x0d, 0x01, 0x9e, 0x02, 0x32, 0x04,
+  0xeb, 0x3a, 0xda, 0x41, 0xd0, 0x51, 0xb0, 0x2c, 0xc4, 0x91, 0x70, 0x7a,
+  0x22, 0x50, 0x40, 0x69, 0x7a, 0x64, 0x00, 0xec, 0x08, 0x28, 0x03, 0x91,
+  0x84, 0x73, 0x7c, 0xf9, 0x0b, 0xbf, 0x1b, 0x04, 0x47, 0x3b, 0x0a, 0x96,
+  0x02, 0x0d, 0xcc, 0x14, 0x64, 0xfe, 0x15, 0xff, 0x5a, 0xc0, 0xd2, 0x80,
+  0x5d, 0x60, 0xfe, 0xf5, 0xe7, 0xa0, 0x30, 0xb0, 0x6e, 0x81, 0xe4, 0xef,
+  0x4f, 0x44, 0x26, 0xa1, 0xf9, 0x2f, 0xff, 0x45, 0x01, 0xc4, 0xc0, 0xf8,
+  0x4f, 0x54, 0xd4, 0x04, 0x40, 0xc7, 0xef, 0x51, 0xe8, 0x18, 0x29, 0xe0,
+  0xbc, 0x78, 0x1c, 0x6a, 0x0c, 0x10, 0x03, 0xe5, 0xe2, 0xff, 0x7f, 0x3d,
+  0x2a, 0x00, 0x36, 0x04, 0x10, 0x84, 0x59, 0x06, 0x4e, 0x40, 0x69, 0xa0,
+  0x89, 0x00, 0x16, 0x40, 0x2c, 0x81, 0x3e, 0x04, 0x92, 0xdf, 0x79, 0x28,
+  0xe3, 0x9f, 0x00, 0xec, 0xe8, 0xb6, 0x0c, 0x1c, 0xd3, 0x0a, 0x24, 0x02,
+  0xc2, 0xc0, 0xb2, 0x06, 0x93, 0x9f, 0x10, 0xb0, 0x0a, 0xeb, 0xda, 0xf3,
+  0x6f, 0x09, 0xd0, 0xc0, 0x21, 0xbe, 0x11, 0x98, 0xf8, 0xfd, 0x1c, 0xd4,
+  0x4e, 0x42, 0xa5, 0xc0, 0x18, 0x54, 0xc1, 0x43, 0xfe, 0x3d, 0x01, 0x8d,
+  0x81, 0xcc, 0xbf, 0x9e, 0xdf, 0x93, 0x40, 0x23, 0x80, 0xd3, 0xc0, 0xca,
+  0x40, 0x26, 0xa1, 0xfc, 0xdb, 0x02, 0x1a, 0x03, 0x87, 0x67, 0x80, 0x86,
+  0xdf, 0x08, 0x60, 0x0e, 0x30, 0x04, 0x1a, 0x03, 0x9e, 0x09, 0x1e, 0x3d,
+  0xff, 0xbe, 0x80, 0x34, 0xf0, 0x14, 0x70, 0xb0, 0x03, 0x8c, 0x40, 0x33,
+  0xb0, 0x11, 0x60, 0x0a, 0x1a, 0x83, 0xec, 0x81, 0xc7, 0x53, 0x40, 0xf2,
+  0x8f, 0x7d, 0x01, 0x1a, 0xa8, 0x3a, 0x2c, 0x54, 0x02, 0x90, 0x08, 0x34,
+  0x03, 0x8d, 0x00, 0x43, 0x20, 0xf8, 0x8d, 0xc1, 0x0c, 0xc2, 0xa0, 0xaf,
+  0xfa, 0x83, 0x7f, 0x43, 0x80, 0x06, 0x4e, 0x94, 0x52, 0x10, 0xf8, 0x56,
+  0xc0, 0xf5, 0x0c, 0xbc, 0x96, 0x82, 0x14, 0x41, 0x28, 0x28, 0xfc, 0xf3,
+  0x7f, 0x83, 0x7f, 0x57, 0x80, 0x06, 0x42, 0x41, 0xf0, 0xaf, 0xa7, 0x20,
+  0xcf, 0x42, 0x9e, 0x86, 0xfa, 0x59, 0xc8, 0x20, 0x0c, 0x7c, 0xf9, 0xf7,
+  0x05, 0x68, 0x60, 0x54, 0x0e, 0x84, 0x82, 0x65, 0x05, 0x58, 0x02, 0x0a,
+  0xa0, 0x06, 0x96, 0x45, 0xf0, 0xc2, 0x8f, 0xd3, 0xaf, 0xfc, 0xfb, 0x02,
+  0x3c, 0x17, 0xfc, 0x54, 0x20, 0xbf, 0x63, 0xa0, 0x19, 0x98, 0x6f, 0x8b,
+  0x4f, 0x53, 0x90, 0x61, 0x50, 0x03, 0x3f, 0xf1, 0x9d, 0xff, 0xf7, 0x05,
+  0x68, 0xa0, 0x04, 0x44, 0x23, 0x96, 0x81, 0x52, 0xe2, 0x18, 0xf8, 0x3b,
+  0x01, 0x0c, 0x83, 0x85, 0x5b, 0xfc, 0xd1, 0x7d, 0x25, 0x00, 0xfe, 0x4d,
+  0x01, 0x1a, 0x20, 0x09, 0xe4, 0x77, 0x0c, 0x54, 0x00, 0xc7, 0x61, 0x05,
+  0x38, 0x0c, 0x6a, 0x80, 0xdd, 0x2f, 0xff, 0xbe, 0x00, 0x0d, 0xb8, 0x0f,
+  0xa6, 0x15, 0xa8, 0x81, 0x4b, 0x02, 0xe4, 0x9f, 0x56, 0xa1, 0xab, 0xbf,
+  0xf8, 0xef, 0x11, 0x60, 0x14, 0xe2, 0x80, 0x08, 0xdc, 0x10, 0xd0, 0xc6,
+  0x20, 0xf4, 0xc6, 0xdf, 0x4d, 0x02, 0xca, 0x40, 0x11, 0x95, 0x00, 0xf8,
+  0xeb, 0x37, 0x63, 0xde, 0x82, 0x53, 0x01, 0xf3, 0x1e, 0x1c, 0x85, 0x89,
+  0x81, 0x12, 0x50, 0xbe, 0x8a, 0xff, 0x0e, 0x01, 0x1a, 0x70, 0x15, 0x50,
+  0x01, 0xc5, 0x5e, 0x97, 0x71, 0x4d, 0x40, 0xf6, 0x60, 0x59, 0xa0, 0x08,
+  0x7c, 0xf5, 0xe5, 0xbf, 0x4b, 0x40, 0x15, 0x79, 0xae, 0x82, 0x02, 0xb7,
+  0x02, 0xb2, 0x04, 0xae, 0x0b, 0x48, 0x7e, 0x8a, 0xe0, 0x07, 0x7f, 0xc9,
+  0x1a, 0x6e, 0xff, 0xbb, 0x04, 0xb8, 0x08, 0x46, 0xf1, 0xae, 0x23, 0xd0,
+  0xf7, 0x44, 0x7d, 0x57, 0x74, 0x19, 0x83, 0xf5, 0xed, 0xf0, 0xe5, 0xbf,
+  0x53, 0x80, 0x06, 0xd8, 0x08, 0x36, 0xa0, 0x2d, 0xb8, 0x10, 0x60, 0x0f,
+  0xda, 0x85, 0x2e, 0x7e, 0xf9, 0xef, 0x14, 0xe0, 0x22, 0x18, 0x38, 0xd0,
+  0xc0, 0x98, 0x8f, 0x01, 0xf3, 0x41, 0x60, 0xc6, 0x0f, 0xfd, 0xf0, 0xe5,
+  0xbf, 0x57, 0x80, 0x06, 0x70, 0x80, 0x85, 0xb1, 0x6a, 0xc1, 0x65, 0x0f,
+  0x0e, 0xd8, 0xa1, 0x97, 0x7f, 0x5f, 0xc0, 0xbe, 0x02, 0x23, 0xf0, 0xba,
+  0x00, 0xa7, 0xe1, 0x25, 0xfe, 0x1b, 0x04, 0x14, 0x48, 0xd1, 0x9d, 0xac,
+  0x9a, 0x18, 0x1b, 0x02, 0x86, 0xdc, 0x85, 0x1e, 0x93, 0x8f, 0xfc, 0xb7,
+  0x0b, 0x70, 0x11, 0x84, 0x82, 0x51, 0xe4, 0x94, 0xc0, 0x65, 0x01, 0xc9,
+  0x9f, 0x5f, 0x03, 0x9f, 0x97, 0xff, 0x2d, 0x02, 0x0a, 0xa7, 0x14, 0x14,
+  0x2d, 0x17, 0xc7, 0x00, 0x3f, 0x19, 0x9a, 0xf5, 0x20, 0x97, 0xc0, 0x2f,
+  0x65, 0xef, 0x14, 0xa0, 0x82, 0x17, 0x6e, 0xde, 0x7f, 0x27, 0x60, 0x3c,
+  0xa1, 0xe3, 0x5b, 0xf0, 0xdf, 0x2a, 0x40, 0x05, 0xe3, 0x48, 0x0f, 0x79,
+  0x9b, 0x8f, 0x01, 0x0e, 0x02, 0x85, 0x98, 0xb7, 0xf8, 0x09, 0xf8, 0xef,
+  0x17, 0x30, 0x8e, 0x91, 0x0a, 0x0a, 0x35, 0xb9, 0x8d, 0x00, 0x3e, 0x1b,
+  0x24, 0x04, 0xf2, 0x52, 0x5f, 0x13, 0x1f, 0xfe, 0x37, 0x09, 0x50, 0xc1,
+  0x93, 0x96, 0x07, 0x17, 0x05, 0x3c, 0x0d, 0xf0, 0x00, 0xfc, 0xb7, 0x0b,
+  0x50, 0xc1, 0x38, 0x9a, 0xbf, 0xf2, 0x6b, 0x20, 0xa3, 0xc0, 0xbf, 0xe0,
+  0x7f, 0x86, 0x00, 0x15, 0x04, 0x35, 0xf8, 0x3c, 0x6f, 0x39, 0x40, 0x41,
+  0x90, 0x83, 0xff, 0x19, 0x02, 0x54, 0x50, 0x1a, 0xe2, 0x92, 0x5e, 0x88,
+  0x40, 0x46, 0x81, 0x22, 0x2d, 0xf0, 0xbc, 0x80, 0xff, 0x59, 0x02, 0x92,
+  0x3f, 0x6e, 0xf9, 0xb0, 0xee, 0xb6, 0x40, 0xf2, 0x85, 0x81, 0xb8, 0x41,
+  0xff, 0x81, 0x02, 0xa2, 0xe1, 0x55, 0xe1, 0x00, 0x50, 0x6f, 0x88, 0x30,
+  0x0e, 0x88, 0x1d, 0xbf, 0xfe, 0x4c, 0x01, 0x2a, 0x48, 0x07, 0xdc, 0x6d,
+  0x81, 0xa0, 0x8f, 0x7b, 0x3c, 0xac, 0xcb, 0x07, 0x0b, 0xd0, 0x01, 0xe4,
+  0x2c, 0xff, 0xc1, 0x36, 0xc0, 0x41, 0x5c, 0x3e, 0x5a, 0x00, 0xff, 0x32,
+  0x12, 0x4c, 0x3f, 0x2c, 0x20, 0x21, 0x7f, 0xf6, 0x1d, 0x02, 0x74, 0xc0,
+  0xd5, 0x67, 0x65, 0x11, 0x78, 0xfd, 0x46, 0x01, 0x22, 0x67, 0xfa, 0x89,
+  0xaf, 0x07, 0xe1, 0xbf, 0x4e, 0xc0, 0x20, 0xf5, 0xe2, 0x91, 0x06, 0xc8,
+  0xc4, 0xf1, 0xdd, 0x02, 0x78, 0x22, 0x1e, 0xab, 0xc0, 0xc7, 0x5f, 0x25,
+  0x60, 0xff, 0xe9, 0x44, 0xff, 0x7e, 0x01, 0xfd, 0x13, 0x8b, 0xfd, 0x25,
+  0x02, 0xbe, 0xff, 0xcf, 0x9f, 0x80, 0x3f, 0x01, 0x7f, 0x02, 0xfe, 0x01,
+  0x75, 0xe2, 0x8b, 0x93, 0x95, 0x3a, 0x44, 0x8f, 0x00, 0x00, 0x00, 0x00,
+  0x49, 0x45, 0x4e, 0x44, 0xae, 0x42, 0x60, 0x82
+};
+unsigned int particle_png_len = 5564;

tools/hopalong/vfs.cpp

@@ -0,0 +1,133 @@
+#include <rw.h>
+#include <string.h>
+
+#include "vfs.h"
+
+struct FILE_VFS
+{
+	int used;
+	rw::uint8 *data;
+	int pos;
+	int size;
+};
+FILE_VFS vfsfiles[64];
+VFS *globalVFS;
+
+void*
+vfs_fopen(const char *path, const char *mode)
+{
+	int flags = 0;
+	int i, j;
+	char *r, *w, *plus;
+
+//	printf("trying to open <%s> mode <%s>\n", path, mode);
+	const char *file = strrchr((char*)path, '/');
+	if(file)
+		file++;
+	else
+		file = path;
+	for(i = 0; i < nelem(vfsfiles); i++){
+		if(!vfsfiles[i].used)
+			goto found;
+	}
+	// no file pointer available
+	return nil;
+found:
+
+	// why can't we pass const char*? urghhh....
+	r = strchr((char*)mode, 'r');
+	w = strchr((char*)mode, 'w');
+	plus = strchr((char*)mode, '+');
+	// cannot write files
+	if(w || plus)
+		return nil;
+
+	for(j = 0; j < globalVFS->numFiles; j++){
+		if(strcmp(globalVFS->files[j].name, file) == 0)
+			goto found2;
+	}
+	// file not found
+	return nil;
+found2:
+
+	vfsfiles[i].used = 1;
+	vfsfiles[i].data = globalVFS->files[j].data;
+	vfsfiles[i].pos = 0;
+	vfsfiles[i].size = globalVFS->files[j].length;
+	return &vfsfiles[i];
+}
+
+int
+vfs_fclose(void *fp)
+{
+	FILE_VFS *f = (FILE_VFS*)fp;
+	if(!f->used)
+		return EOF;
+	f->used = 0;
+	f->data = nil;
+	return 0;
+}
+
+int
+vfs_fseek(void *fp, long offset, int whence)
+{
+	FILE_VFS *f = (FILE_VFS*)fp;
+	switch(whence){
+	case 0:
+		f->pos = offset;
+		break;
+	case 1:
+		f->pos += offset;
+		break;
+	case 2:
+		f->pos = f->size - offset;
+		break;
+	}
+	if(f->pos > f->size) f->pos = f->size;
+	return f->pos;
+}
+
+long
+vfs_ftell(void *fp)
+{
+	FILE_VFS *f = (FILE_VFS*)fp;
+	return f->pos;
+}
+
+size_t
+vfs_fread(void *ptr, size_t size, size_t nmemb, void *fp)
+{
+	FILE_VFS *f = (FILE_VFS*)fp;
+	size_t sz = size*nmemb;
+	if(sz > f->size-f->pos)
+		sz = f->size-f->pos;
+	memcpy(ptr, f->data+f->pos, sz);
+	f->pos += sz;
+	return sz/size;
+}
+
+size_t
+vfs_fwrite(const void *ptr, size_t size, size_t nmemb, void *fp)
+{
+	return 0;
+}
+
+int
+vfs_feof(void *fp)
+{
+	FILE_VFS *f = (FILE_VFS*)fp;
+	return f->pos >= f->size;
+}
+
+void
+installVFS(VFS *vfs)
+{
+	globalVFS = vfs;
+        rw::engine->filefuncs.rwfopen = vfs_fopen;
+        rw::engine->filefuncs.rwfclose = vfs_fclose;
+        rw::engine->filefuncs.rwfseek = vfs_fseek;
+        rw::engine->filefuncs.rwftell = vfs_ftell;
+        rw::engine->filefuncs.rwfread = vfs_fread;
+        rw::engine->filefuncs.rwfwrite = vfs_fwrite;
+        rw::engine->filefuncs.rwfeof = vfs_feof;
+}

tools/hopalong/vfs.h

@@ -0,0 +1,15 @@
+struct VFS_file
+{
+	const char *name;
+	rw::uint8 *data;
+	rw::uint32 length;
+};
+
+struct VFS
+{
+	// TODO: directories?
+	VFS_file *files;
+	int numFiles;
+};
+
+void installVFS(VFS *vfs);

tools/lights/lights.cpp

@@ -377,7 +377,7 @@ DrawDirectLight(void)
 void
 DrawCurrentLight(void)
 {
-	rw::SetRenderState(rw::TEXTURERASTER, nil);
+	rw::SetRenderStatePtr(rw::TEXTURERASTER, nil);
 	rw::SetRenderState(rw::CULLMODE, rw::CULLBACK);
 	rw::SetRenderState(rw::ZTESTENABLE, 1);
 

tools/playground/main.cpp

@@ -302,8 +302,8 @@ InitRW(void)
 	camera->m_aspectRatio = 640.0f/448.0f;
 //	camera->m_near = 0.5f;
 	camera->m_near = 1.5f;
-//	camera->m_far = 450.0f;
-	camera->m_far = 15.0f;
+	camera->m_far = 450.0f;
+//	camera->m_far = 15.0f;
 	camera->m_target.set(0.0f, 0.0f, 0.0f);
 	camera->m_position.set(0.0f, -10.0f, 0.0f);
 //	camera->setPosition(Vec3(0.0f, 5.0f, 0.0f));
@@ -497,7 +497,7 @@ Draw(float timeDelta)
 	getFrontBuffer();
 
 	rw::SetRenderState(rw::FOGCOLOR, 0xFF0000FF);
-	rw::SetRenderState(rw::FOGENABLE, 1);
+//	rw::SetRenderState(rw::FOGENABLE, 1);
 	camera->m_rwcam->fogPlane = camera->m_rwcam->nearPlane;
 
 	static rw::RGBA clearcol = { 161, 161, 161, 0xFF };
@@ -517,7 +517,7 @@ extern void endSoftras(void);
 		endSoftras();
 	}
 		//im2dtest();
-		im2dtest2();
+		//im2dtest2();
 
 //	Scene.clump->render();
 //	im3dtest();
@@ -525,7 +525,7 @@ extern void endSoftras(void);
 
 //	testfont->print("foo ABC", 200, 200, true);
 
-//	rendersplines();
+	rendersplines();
 
 	camera->m_rwcam->endUpdate();
 

tools/playground/splines.cpp

@@ -59,6 +59,20 @@ AddVertex(const rw::V3d &vert)
 
 float epsilon = 0.000001;
 
+class BezierSurf
+{
+public:
+	// hardcoded 4x4 for now
+	V3d verts[16];
+
+	void mirrorX(void);
+	void mirrorY(void);
+
+	V3d eval(float u, float v);
+	void drawHull(void);
+	void drawShaded(void);
+};
+
 class RBCurve
 {
 public:
@@ -126,6 +140,113 @@ evalBasisFast(int i, int d, float u, float knots[])
 	return tmp[0];
 }
 
+void
+BezierSurf::mirrorX(void)
+{
+	int i;
+	for(i = 0; i < 16; i++)
+		verts[i].x = -verts[i].x;
+}
+
+void
+BezierSurf::mirrorY(void)
+{
+	int i;
+	for(i = 0; i < 16; i++)
+		verts[i].y = -verts[i].y;
+}
+
+V3d
+BezierSurf::eval(float u, float v)
+{
+	int i, j;
+	V3d out = { 0.0f, 0.0f, 0.0f };
+	float us[4], vs[4];
+	float iu = 1.0f-u;
+	float iv = 1.0f-v;
+	us[0] = iu*iu*iu;
+	us[1] = 3.0f*u*iu*iu;
+	us[2] = 3.0f*u*u*iu;
+	us[3] = u*u*u;
+	vs[0] = iv*iv*iv;
+	vs[1] = 3.0f*v*iv*iv;
+	vs[2] = 3.0f*v*v*iv;
+	vs[3] = v*v*v;
+	for(i = 0; i < 4; i++)
+		for(j = 0; j < 4; j++)
+			out = add(out, scale(verts[j+i*4],us[j]*vs[i]));
+	return out;
+}
+
+void
+BezierSurf::drawHull(void)
+{
+	rw::SetRenderStatePtr(rw::TEXTURERASTER, nil);
+	rw::SetRenderState(rw::FOGENABLE, 0);
+
+	imVert.setU(0.0f);
+	imVert.setV(0.0f);
+	imVert.setColor(138, 72, 51, 255);
+//	imVert.setColor(228, 172, 121, 255);
+
+	int iu, iv;
+	for(iv = 0; iv < 4; iv++){
+		BeginIm3D(rw::PRIMTYPEPOLYLINE);
+		for(iu = 0; iu < 4; iu++)
+			AddVertex(verts[iu + iv*4]);
+		EndIm3D();
+	}
+
+	for(iu = 0; iu < 4; iu++){
+		BeginIm3D(rw::PRIMTYPEPOLYLINE);
+		for(iv = 0; iv < 4; iv++)
+			AddVertex(verts[iu + iv*4]);
+		EndIm3D();
+	}
+}
+
+void
+BezierSurf::drawShaded(void)
+{
+	V3d vert;
+	int iu, iv;
+	float u, v;
+
+	rw::SetRenderStatePtr(rw::TEXTURERASTER, nil);
+	rw::SetRenderState(rw::FOGENABLE, 0);
+
+	imVert.setU(0.0f);
+	imVert.setV(0.0f);
+	imVert.setColor(0, 128, 240, 255);
+
+	float endu = 1.0f - epsilon;
+	float endv = 1.0f - epsilon;
+	float uinc = (endu-0.0f)/40.0f;
+	float vinc = (endv-0.0f)/40.0f;
+
+	float vnext;
+	for(v = 0.0f;; v = vnext){
+		if(v > endv)
+			v = endv;
+		vnext = v + vinc;
+
+		BeginIm3D(rw::PRIMTYPETRISTRIP);
+		for(u = 0.0f;; u += uinc){
+			if(u > endu)
+				u = endu;
+
+			AddVertex(eval(u, v));
+			AddVertex(eval(u, vnext));
+
+			if(u >= endu)
+				break;
+		}
+		EndIm3D();
+		if(vnext >= endv)
+			break;
+	}
+}
+
 V3d
 RBCurve::eval(float u)
 {
@@ -153,7 +274,7 @@ RBCurve::drawHull(void)
 {
 	int i;
 
-	rw::SetRenderState(rw::TEXTURERASTER, nil);
+	rw::SetRenderStatePtr(rw::TEXTURERASTER, nil);
 	rw::SetRenderState(rw::FOGENABLE, 0);
 
 	BeginIm3D(rw::PRIMTYPEPOLYLINE);
@@ -173,7 +294,7 @@ RBCurve::drawSpline(void)
 	float u, endu;
 	V3d vert;
 
-	rw::SetRenderState(rw::TEXTURERASTER, nil);
+	rw::SetRenderStatePtr(rw::TEXTURERASTER, nil);
 	rw::SetRenderState(rw::FOGENABLE, 0);
 	BeginIm3D(rw::PRIMTYPEPOLYLINE);
 	imVert.setU(0.0f);
@@ -238,7 +359,7 @@ RBSurf::eval(float u, float v)
 void
 RBSurf::drawHull(void)
 {
-	rw::SetRenderState(rw::TEXTURERASTER, nil);
+	rw::SetRenderStatePtr(rw::TEXTURERASTER, nil);
 	rw::SetRenderState(rw::FOGENABLE, 0);
 
 	imVert.setU(0.0f);
@@ -269,7 +390,7 @@ RBSurf::drawIsoparms(void)
 	int iu, iv;
 	float u, v;
 
-	rw::SetRenderState(rw::TEXTURERASTER, nil);
+	rw::SetRenderStatePtr(rw::TEXTURERASTER, nil);
 	rw::SetRenderState(rw::FOGENABLE, 0);
 
 	imVert.setU(0.0f);
@@ -323,7 +444,7 @@ RBSurf::drawShaded(void)
 	int iu, iv;
 	float u, v;
 
-	rw::SetRenderState(rw::TEXTURERASTER, nil);
+	rw::SetRenderStatePtr(rw::TEXTURERASTER, nil);
 	rw::SetRenderState(rw::FOGENABLE, 0);
 
 	imVert.setU(0.0f);
@@ -362,6 +483,92 @@ RBSurf::drawShaded(void)
 RBCurve testspline1, testspline2;
 RBSurf testsurf;
 
+V3d teapotVerts[] = {
+	{  0.2000,  0.0000, 2.70000 }, {  0.2000, -0.1120, 2.70000 },
+	{  0.1120, -0.2000, 2.70000 }, {  0.0000, -0.2000, 2.70000 },
+	{  1.3375,  0.0000, 2.53125 }, {  1.3375, -0.7490, 2.53125 },
+	{  0.7490, -1.3375, 2.53125 }, {  0.0000, -1.3375, 2.53125 },
+	{  1.4375,  0.0000, 2.53125 }, {  1.4375, -0.8050, 2.53125 },
+	{  0.8050, -1.4375, 2.53125 }, {  0.0000, -1.4375, 2.53125 },
+	{  1.5000,  0.0000, 2.40000 }, {  1.5000, -0.8400, 2.40000 },
+	{  0.8400, -1.5000, 2.40000 }, {  0.0000, -1.5000, 2.40000 },
+	{  1.7500,  0.0000, 1.87500 }, {  1.7500, -0.9800, 1.87500 },
+	{  0.9800, -1.7500, 1.87500 }, {  0.0000, -1.7500, 1.87500 },
+	{  2.0000,  0.0000, 1.35000 }, {  2.0000, -1.1200, 1.35000 },
+	{  1.1200, -2.0000, 1.35000 }, {  0.0000, -2.0000, 1.35000 },
+	{  2.0000,  0.0000, 0.90000 }, {  2.0000, -1.1200, 0.90000 },
+	{  1.1200, -2.0000, 0.90000 }, {  0.0000, -2.0000, 0.90000 },
+	{ -2.0000,  0.0000, 0.90000 }, {  2.0000,  0.0000, 0.45000 },
+	{  2.0000, -1.1200, 0.45000 }, {  1.1200, -2.0000, 0.45000 },
+	{  0.0000, -2.0000, 0.45000 }, {  1.5000,  0.0000, 0.22500 },
+	{  1.5000, -0.8400, 0.22500 }, {  0.8400, -1.5000, 0.22500 },
+	{  0.0000, -1.5000, 0.22500 }, {  1.5000,  0.0000, 0.15000 },
+	{  1.5000, -0.8400, 0.15000 }, {  0.8400, -1.5000, 0.15000 },
+	{  0.0000, -1.5000, 0.15000 }, { -1.6000,  0.0000, 2.02500 },
+	{ -1.6000, -0.3000, 2.02500 }, { -1.5000, -0.3000, 2.25000 },
+	{ -1.5000,  0.0000, 2.25000 }, { -2.3000,  0.0000, 2.02500 },
+	{ -2.3000, -0.3000, 2.02500 }, { -2.5000, -0.3000, 2.25000 },
+	{ -2.5000,  0.0000, 2.25000 }, { -2.7000,  0.0000, 2.02500 },
+	{ -2.7000, -0.3000, 2.02500 }, { -3.0000, -0.3000, 2.25000 },
+	{ -3.0000,  0.0000, 2.25000 }, { -2.7000,  0.0000, 1.80000 },
+	{ -2.7000, -0.3000, 1.80000 }, { -3.0000, -0.3000, 1.80000 },
+	{ -3.0000,  0.0000, 1.80000 }, { -2.7000,  0.0000, 1.57500 },
+	{ -2.7000, -0.3000, 1.57500 }, { -3.0000, -0.3000, 1.35000 },
+	{ -3.0000,  0.0000, 1.35000 }, { -2.5000,  0.0000, 1.12500 },
+	{ -2.5000, -0.3000, 1.12500 }, { -2.6500, -0.3000, 0.93750 },
+	{ -2.6500,  0.0000, 0.93750 }, { -2.0000, -0.3000, 0.90000 },
+	{ -1.9000, -0.3000, 0.60000 }, { -1.9000,  0.0000, 0.60000 },
+	{  1.7000,  0.0000, 1.42500 }, {  1.7000, -0.6600, 1.42500 },
+	{  1.7000, -0.6600, 0.60000 }, {  1.7000,  0.0000, 0.60000 },
+	{  2.6000,  0.0000, 1.42500 }, {  2.6000, -0.6600, 1.42500 },
+	{  3.1000, -0.6600, 0.82500 }, {  3.1000,  0.0000, 0.82500 },
+	{  2.3000,  0.0000, 2.10000 }, {  2.3000, -0.2500, 2.10000 },
+	{  2.4000, -0.2500, 2.02500 }, {  2.4000,  0.0000, 2.02500 },
+	{  2.7000,  0.0000, 2.40000 }, {  2.7000, -0.2500, 2.40000 },
+	{  3.3000, -0.2500, 2.40000 }, {  3.3000,  0.0000, 2.40000 },
+	{  2.8000,  0.0000, 2.47500 }, {  2.8000, -0.2500, 2.47500 },
+	{  3.5250, -0.2500, 2.49375 }, {  3.5250,  0.0000, 2.49375 },
+	{  2.9000,  0.0000, 2.47500 }, {  2.9000, -0.1500, 2.47500 },
+	{  3.4500, -0.1500, 2.51250 }, {  3.4500,  0.0000, 2.51250 },
+	{  2.8000,  0.0000, 2.40000 }, {  2.8000, -0.1500, 2.40000 },
+	{  3.2000, -0.1500, 2.40000 }, {  3.2000,  0.0000, 2.40000 },
+	{  0.0000,  0.0000, 3.15000 }, {  0.8000,  0.0000, 3.15000 },
+	{  0.8000, -0.4500, 3.15000 }, {  0.4500, -0.8000, 3.15000 },
+	{  0.0000, -0.8000, 3.15000 }, {  0.0000,  0.0000, 2.85000 },
+	{  1.4000,  0.0000, 2.40000 }, {  1.4000, -0.7840, 2.40000 },
+	{  0.7840, -1.4000, 2.40000 }, {  0.0000, -1.4000, 2.40000 },
+	{  0.4000,  0.0000, 2.55000 }, {  0.4000, -0.2240, 2.55000 },
+	{  0.2240, -0.4000, 2.55000 }, {  0.0000, -0.4000, 2.55000 },
+	{  1.3000,  0.0000, 2.55000 }, {  1.3000, -0.7280, 2.55000 },
+	{  0.7280, -1.3000, 2.55000 }, {  0.0000, -1.3000, 2.55000 },
+	{  1.3000,  0.0000, 2.40000 }, {  1.3000, -0.7280, 2.40000 },
+	{  0.7280, -1.3000, 2.40000 }, {  0.0000, -1.3000, 2.40000 }
+};
+int teapotPatches[10][16] = {
+	{ 118, 118, 118, 118, 124, 122, 119, 121,
+	  123, 126, 125, 120,  40,  39,  38,  37 },
+	{ 102, 103, 104, 105,   4,   5,   6,   7,
+	    8,   9,  10,  11,  12,  13,  14,  15 },
+	{  12,  13,  14,  15,  16,  17,  18,  19,
+	   20,  21,  22,  23,  24,  25,  26,  27 },
+	{  24,  25,  26,  27,  29,  30,  31,  32,
+	   33,  34,  35,  36,  37,  38,  39,  40 },
+	{  96,  96,  96,  96,  97,  98,  99, 100,
+	  101, 101, 101, 101,   0,   1,   2,   3 },
+	{   0,   1,   2,   3, 106, 107, 108, 109,
+	  110, 111, 112, 113, 114, 115, 116, 117 },
+	{  41,  42,  43,  44,  45,  46,  47,  48,
+	   49,  50,  51,  52,  53,  54,  55,  56 },
+	{  53,  54,  55,  56,  57,  58,  59,  60,
+	   61,  62,  63,  64,  28,  65,  66,  67 },
+	{  68,  69,  70,  71,  72,  73,  74,  75,
+	   76,  77,  78,  79,  80,  81,  82,  83 },
+	{  80,  81,  82,  83,  84,  85,  86,  87,
+	   88,  89,  90,  91,  92,  93,  94,  95 },
+};
+
+BezierSurf teapotSurfs[32];
+
 void
 initsplines(void)
 {
@@ -412,6 +619,7 @@ initsplines(void)
 	V(-61.9913, 9.158239, 0);
 	V(-32.32231, 27.23371, 0);
 	V(25.80961, -4.820126, 0);
+#undef V
 	testspline2.knots.clear();
 	testspline2.knots.push_back(0);
 	testspline2.knots.push_back(0);
@@ -479,6 +687,7 @@ initsplines(void)
 	V(25.75483, 70.07219, 31.27717);
 	V(56.61724, 70.07219, -2.498198);
 	V(86.35364, 70.07219, 12.53265);
+#undef V
 	testsurf.knotsU.clear();
 	testsurf.knotsU.push_back(0);
 	testsurf.knotsU.push_back(0);
@@ -503,18 +712,39 @@ initsplines(void)
 	testsurf.knotsV.push_back(1);
 
 	testsurf.update();
+
+	int i, j;
+	for(i = 0; i < 10; i++)
+		for(j = 0; j < 16; j++)
+			teapotSurfs[i].verts[j] = teapotVerts[teapotPatches[i][j]];
+	for(i = 0; i < 10; i++){
+		teapotSurfs[i+10] = teapotSurfs[i];
+		teapotSurfs[i+10].mirrorY();
+	}
+	for(i = 0; i < 6; i++){
+		teapotSurfs[i+20] = teapotSurfs[i];
+		teapotSurfs[i+20].mirrorX();
+		teapotSurfs[i+20+6] = teapotSurfs[i+10];
+		teapotSurfs[i+20+6].mirrorX();
+	}
 }
 
 void
 rendersplines(void)
 {
-	testspline1.drawHull();
-	testspline1.drawSpline();
+//	testspline1.drawHull();
+//	testspline1.drawSpline();
 
 //	testspline2.drawHull();
 //	testspline2.drawSpline();
 
-	testsurf.drawHull();
-	testsurf.drawShaded();
-	testsurf.drawIsoparms();
+//	testsurf.drawHull();
+//	testsurf.drawShaded();
+//	testsurf.drawIsoparms();
+
+	int i;
+	for(i = 0; i < 32; i++){
+		teapotSurfs[i].drawHull();
+		teapotSurfs[i].drawShaded();
+	}
 }

tools/ps2test/main.cpp

@@ -1,5 +1,6 @@
 #include <cstdio>
 #include <cassert>
+#include <cerrno>
 
 #define PAL
 

tools/ska2anm/CMakeLists.txt

@@ -7,10 +7,14 @@ target_link_libraries(ska2anm
         librw::librw
 )
 
-librw_platform_target(ska2anm INSTALL)
+if(LIBRW_GL3_GFXLIB MATCHES "SDL[23]")
+    target_compile_definitions(ska2anm PRIVATE SDL_MAIN_HANDLED)
+endif()
 
 if(LIBRW_INSTALL)
     install(TARGETS ska2anm
         RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
     )
 endif()
+
+librw_platform_target(ska2anm INSTALL)