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-rw-r--r--CMakeLists.txt28
-rw-r--r--cmake/SetupOSGTargets.cmake60
-rw-r--r--src/main.cpp106
3 files changed, 123 insertions, 71 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 87b0a1f..90292e5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,10 +1,30 @@
cmake_minimum_required(VERSION 3.13)
project(globalops CXX)
-find_package(SDL2 REQUIRED)
+set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_CURRENT_LIST_DIR}/cmake)
+set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
+set(CMAKE_INSTALL_RPATH
+ ${CMAKE_INSTALL_RPATH}
+ ${CMAKE_INSTALL_FULL_LIBDIR}
+ ${CMAKE_INSTALL_PREFIX}/${SD_LIBDIR}/lib
+)
find_package(OpenGL REQUIRED)
+find_package(OpenSceneGraph REQUIRED)
+find_package(osgViewer REQUIRED)
+include(SetupOSGTargets)
add_executable(${PROJECT_NAME})
add_subdirectory(src)
-target_compile_options(${PROJECT_NAME} PRIVATE -pedantic -Wall)
+target_compile_options(${PROJECT_NAME} PRIVATE -pedantic -Wall -Og)
target_compile_features(${PROJECT_NAME} PRIVATE cxx_std_17)
-target_link_libraries(${PROJECT_NAME} PRIVATE SDL2::SDL2 OpenGL::GL)
-set_target_properties(${PROJECT_NAME} PROPERTIES CXX_STANDARD 17 CXX_EXTENSIONS OFF)
+set_target_properties(${PROJECT_NAME} PROPERTIES
+ CXX_STANDARD 17
+ CXX_EXTENSIONS OFF
+)
+target_link_libraries(${PROJECT_NAME} PRIVATE
+ OpenGL::GL
+ OpenSceneGraph::Core
+ OpenSceneGraph::Viewer
+ OpenThreads::OpenThreads
+)
+
+# https://stackoverflow.com/questions/53461465/cannot-find-shared-libraries-even-rpath-is-set-correctly
+target_link_options(${PROJECT_NAME} PRIVATE -Wl,--disable-new-dtags)
diff --git a/cmake/SetupOSGTargets.cmake b/cmake/SetupOSGTargets.cmake
new file mode 100644
index 0000000..58354b7
--- /dev/null
+++ b/cmake/SetupOSGTargets.cmake
@@ -0,0 +1,60 @@
+function(_GetDebugOptimizedLib libraries)
+ set(debug_found 0)
+ set(optimized_found 0)
+ set(default ${libraries})
+ unset(_out_libraries)
+
+ foreach(path ${libraries})
+ if (${path} STREQUAL "debug")
+ set(debug_found 1)
+ elseif (${path} STREQUAL "optimized")
+ set(optimized_found 1)
+ elseif(debug_found)
+ if(CMAKE_BUILD_TYPE STREQUAL "Debug")
+ set(_out_libraries ${_out_libraries} ${path})
+ endif()
+
+ set(debug_found 0)
+ elseif(optimized_found)
+ if(CMAKE_BUILD_TYPE STREQUAL "Release")
+ set(_out_libraries ${_out_libraries} ${path})
+ endif()
+
+ set(optimized_found 0)
+ endif()
+ endforeach()
+
+ if(_out_libraries STREQUAL "")
+ set(_out_libraries "${default}" PARENT_SCOPE)
+ else()
+ set(_out_libraries ${_out_libraries} PARENT_SCOPE)
+ message(STATUS "Choosing ${_out_libraries}")
+ endif()
+endfunction()
+
+if(NOT TARGET OpenThreads::OpenThreads)
+ add_library(OpenThreads::OpenThreads INTERFACE IMPORTED)
+ _GetDebugOptimizedLib("${OPENTHREADS_LIBRARY}")
+ set_target_properties(OpenThreads::OpenThreads PROPERTIES
+ INTERFACE_INCLUDE_DIRECTORIES "${OPENTHREADS_INCLUDE_DIR}"
+ INTERFACE_LINK_LIBRARIES "${_out_libraries}")
+endif()
+
+if(NOT TARGET OpenSceneGraph::Core)
+ add_library(OpenSceneGraph::Core INTERFACE IMPORTED)
+ _GetDebugOptimizedLib("${OPENSCENEGRAPH_LIBRARIES}")
+ set_target_properties(OpenSceneGraph::Core PROPERTIES
+ INTERFACE_INCLUDE_DIRECTORIES "${OPENSCENEGRAPH_INCLUDE_DIRS}"
+ INTERFACE_LINK_LIBRARIES "${_out_libraries}")
+endif()
+
+if(NOT TARGET OpenSceneGraph::Viewer)
+ add_library(OpenSceneGraph::Viewer INTERFACE IMPORTED)
+ _GetDebugOptimizedLib("${OSGVIEWER_LIBRARY}")
+ set_target_properties(OpenSceneGraph::Viewer PROPERTIES
+ INTERFACE_INCLUDE_DIRECTORIES "${OSGVIEWER_INCLUDE_DIR}"
+ INTERFACE_LINK_LIBRARIES "${_out_libraries}")
+endif()
+
+unset(_out_libraries)
+target_link_libraries(OpenSceneGraph::Core INTERFACE OpenThreads::OpenThreads)
diff --git a/src/main.cpp b/src/main.cpp
index 620e97e..382cc93 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,99 +1,71 @@
#define SDL_MAIN_HANDLED
-#include <SDL2/SDL.h>
-#include <SDL2/SDL_video.h>
#include <abc.h>
#include <dtx.h>
#include <rez.h>
+#include <GL/gl.h>
+#include <osg/GLExtensions>
+#include <osg/State>
+#include <osgViewer/GraphicsWindow>
+#include <osgViewer/Viewer>
+#include <osgViewer/ViewerEventHandlers>
#include <cstdlib>
#include <cstdio>
#include <iostream>
-#include <GL/gl.h>
int main(int argc, char *argv[])
{
- int ret = EXIT_FAILURE;
- rez::ball b("globalops.rez");
std::unique_ptr<rez::file> f, abcf;
- SDL_Window *window = nullptr;
- SDL_GLContext glcontext = nullptr;
- static const char extension[] = "GL_EXT_texture_compression_s3tc";
+ rez::ball b("globalops.rez");
abc abc;
dtx dtx;
+ osgViewer::Viewer viewer;
+ osg::Camera *cam;
+ osg::GraphicsContext *gfx;
+ osg::State *state;
+ osg::GLExtensions *ext;
+ osgViewer::GraphicsWindow *gfxw;
+
+ viewer.setUpViewInWindow(0, 0, 640, 480);
+ viewer.realize();
+ cam = viewer.getCamera();
+ gfx = cam->getGraphicsContext();
+ gfxw = dynamic_cast<osgViewer::GraphicsWindow *>(gfx);
- if (SDL_Init(SDL_INIT_VIDEO) < 0)
+ if (!gfxw)
{
- std::cerr << "SDL_Init failed: " << SDL_GetError() << '\n';
- goto end;
+ std::cerr << "Failed to cast osgViewe::GraphicContext to "
+ "osgViewer::GraphicsWindow\n";
+ return EXIT_FAILURE;
}
- SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
- SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 24);
+ gfxw->setWindowName("GlobalOps");
+ state = gfx->getState();
+ state->initializeExtensionProcs();
+ ext = osg::GLExtensions::Get(state->getContextID(), true);
- if (!(window = SDL_CreateWindow("GlobalOps", SDL_WINDOWPOS_CENTERED,
- SDL_WINDOWPOS_CENTERED, 640, 480,
- SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE)))
+ if (!ext)
{
- std::cerr << "SDL_CreateWindow failed: " << SDL_GetError() << '\n';
- goto end;
+ std::cerr << "osg::GLExtensions::Get failed\n";
+ return EXIT_FAILURE;
}
- else if (!(glcontext = SDL_GL_CreateContext(window)))
+ else if (!ext->isCompressedTexImage2DSupported())
{
- std::cerr << "SDL_GL_CreateContext failed: " << SDL_GetError() << '\n';
- goto end;
+ std::cerr << "OpenGL extension glCompressedTextImage2D not supported\n";
+ return EXIT_FAILURE;
}
- else if (!SDL_GL_ExtensionSupported(extension))
+ else if (!ext->isTextureCompressionS3TCSupported)
{
- std::cerr << "OpenGL extension " << extension << " not supported\n";
- goto end;
- }
- else if (SDL_GL_MakeCurrent(window, glcontext))
- {
- std::cerr << "SDL_GL_MakeCurrent failed: " << SDL_GetError()
- << std::endl;
- goto end;
+ std::cerr << "OpenGL extension GL_EXT_texture_compression_s3tc "
+ "not supported\n";
+ return EXIT_FAILURE;
}
else if (b.parse()
|| !(f = b.open("interface/blueprints/antarctica_tacmap.dtx"))
|| dtx.parse(*f)
|| !(f = b.open("models/grenades/v_frag.abc"))
|| abc.parse(*f))
- goto end;
-
- for (;;)
- {
- SDL_Event event;
-
- while (SDL_PollEvent(&event))
- {
- switch (event.type)
- {
- case SDL_QUIT:
- ret = EXIT_SUCCESS;
- goto end;
- }
- }
-
- glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
- glClear(GL_COLOR_BUFFER_BIT);
-
- if (dtx.draw())
- goto end;
-
- SDL_GL_SwapWindow(window);
- SDL_Delay(1.0f / 60.f * 1000.0f);
- }
-
-end:
-
- if (glcontext)
- SDL_GL_DeleteContext(glcontext);
-
- if (window)
- SDL_DestroyWindow(window);
-
- if (SDL_WasInit(SDL_INIT_VIDEO))
- SDL_QuitSubSystem(SDL_INIT_VIDEO);
+ return EXIT_FAILURE;
- return ret;
+ return viewer.run();
}
generated by cgit v1.2.3 (git 2.39.1) at 2026-03-14 15:00:10 +0000