dfhack/library/modules/DFSDL.cpp

127 lines
4.1 KiB
C++

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#include "Internal.h"
#include "modules/DFSDL.h"
#include "Debug.h"
#include "PluginManager.h"
namespace DFHack {
DBG_DECLARE(core, dfsdl, DebugCategory::LINFO);
}
using namespace DFHack;
static DFLibrary *g_sdl_handle = nullptr;
static DFLibrary *g_sdl_image_handle = nullptr;
static const std::vector<std::string> SDL_LIBS {
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"SDL2.dll",
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"SDL.framework/Versions/A/SDL",
"SDL.framework/SDL",
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"libSDL2-2.0.so.0"
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};
static const std::vector<std::string> SDL_IMAGE_LIBS {
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"SDL2_image.dll",
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"SDL_image.framework/Versions/A/SDL_image",
"SDL_image.framework/SDL_image",
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"libSDL2_image-2.0.so.0"
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};
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SDL_Surface * (*g_IMG_Load)(const char *) = nullptr;
SDL_Surface * (*g_SDL_CreateRGBSurface)(uint32_t, int, int, int, uint32_t, uint32_t, uint32_t, uint32_t) = nullptr;
SDL_Surface * (*g_SDL_CreateRGBSurfaceFrom)(void *pixels, int width, int height, int depth, int pitch, uint32_t Rmask, uint32_t Gmask, uint32_t Bmask, uint32_t Amask) = nullptr;
int (*g_SDL_UpperBlit)(SDL_Surface *, const SDL_Rect *, SDL_Surface *, SDL_Rect *) = nullptr;
SDL_Surface * (*g_SDL_ConvertSurface)(SDL_Surface *, const SDL_PixelFormat *, uint32_t) = nullptr;
void (*g_SDL_FreeSurface)(SDL_Surface *) = nullptr;
// int (*g_SDL_SemWait)(DFSDL_sem *) = nullptr;
// int (*g_SDL_SemPost)(DFSDL_sem *) = nullptr;
int (*g_SDL_PushEvent)(SDL_Event *) = nullptr;
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bool DFSDL::init(color_ostream &out) {
for (auto &lib_str : SDL_LIBS) {
if ((g_sdl_handle = OpenPlugin(lib_str.c_str())))
break;
}
if (!g_sdl_handle) {
out.printerr("DFHack could not find SDL\n");
return false;
}
for (auto &lib_str : SDL_IMAGE_LIBS) {
if ((g_sdl_image_handle = OpenPlugin(lib_str.c_str())))
break;
}
if (!g_sdl_image_handle) {
out.printerr("DFHack could not find SDL_image\n");
return false;
}
#define bind(handle, name) \
g_##name = (decltype(g_##name))LookupPlugin(handle, #name); \
if (!g_##name) { \
out.printerr("DFHack could not find: " #name "\n"); \
return false; \
}
bind(g_sdl_image_handle, IMG_Load);
bind(g_sdl_handle, SDL_CreateRGBSurface);
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bind(g_sdl_handle, SDL_CreateRGBSurfaceFrom);
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bind(g_sdl_handle, SDL_UpperBlit);
bind(g_sdl_handle, SDL_ConvertSurface);
bind(g_sdl_handle, SDL_FreeSurface);
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// bind(g_sdl_handle, SDL_SemWait);
// bind(g_sdl_handle, SDL_SemPost);
bind(g_sdl_handle, SDL_PushEvent);
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#undef bind
DEBUG(dfsdl,out).print("sdl successfully loaded\n");
return true;
}
// It's ok to leave NULLs in the raws list (according to usage in g_src)
void DFSDL::cleanup() {
if (g_sdl_handle) {
ClosePlugin(g_sdl_handle);
g_sdl_handle = nullptr;
}
if (g_sdl_image_handle) {
ClosePlugin(g_sdl_image_handle);
g_sdl_image_handle = nullptr;
}
}
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SDL_Surface * DFSDL::DFIMG_Load(const char *file) {
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return g_IMG_Load(file);
}
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SDL_Surface * DFSDL::DFSDL_CreateRGBSurface(uint32_t flags, int width, int height, int depth, uint32_t Rmask, uint32_t Gmask, uint32_t Bmask, uint32_t Amask) {
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return g_SDL_CreateRGBSurface(flags, width, height, depth, Rmask, Gmask, Bmask, Amask);
}
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SDL_Surface * DFSDL::DFSDL_CreateRGBSurfaceFrom(void *pixels, int width, int height, int depth, int pitch, uint32_t Rmask, uint32_t Gmask, uint32_t Bmask, uint32_t Amask) {
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return g_SDL_CreateRGBSurfaceFrom(pixels, width, height, depth, pitch, Rmask, Gmask, Bmask, Amask);
}
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int DFSDL::DFSDL_UpperBlit(SDL_Surface *src, const SDL_Rect *srcrect, SDL_Surface *dst, SDL_Rect *dstrect) {
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return g_SDL_UpperBlit(src, srcrect, dst, dstrect);
}
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SDL_Surface * DFSDL::DFSDL_ConvertSurface(SDL_Surface *src, const SDL_PixelFormat *fmt, uint32_t flags) {
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return g_SDL_ConvertSurface(src, fmt, flags);
}
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void DFSDL::DFSDL_FreeSurface(SDL_Surface *surface) {
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g_SDL_FreeSurface(surface);
}
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// int DFSDL::DFSDL_SemWait(DFSDL_sem *sem) {
// return g_SDL_SemWait(sem);
// }
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// int DFSDL::DFSDL_SemPost(DFSDL_sem *sem) {
// return g_SDL_SemPost(sem);
// }
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int DFSDL::DFSDL_PushEvent(SDL_Event *event) {
return g_SDL_PushEvent(event);
}