Method init

library/modules/DFSDL.cpp:74–127

const char* (*g_SDL_GetKeyName)(SDL_Keycode key) = nullptr;

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);
    bind(g_sdl_handle, SDL_CreateRGBSurfaceFrom);
    bind(g_sdl_handle, SDL_UpperBlit);
    bind(g_sdl_handle, SDL_ConvertSurface);
    bind(g_sdl_handle, SDL_FreeSurface);
    // bind(g_sdl_handle, SDL_SemWait);
    // bind(g_sdl_handle, SDL_SemPost);
    bind(g_sdl_handle, SDL_PushEvent);
    bind(g_sdl_handle, SDL_HasClipboardText);
    bind(g_sdl_handle, SDL_SetClipboardText);
    bind(g_sdl_handle, SDL_GetClipboardText);
    bind(g_sdl_handle, SDL_free);
    bind(g_sdl_handle, SDL_AllocFormat);
    bind(g_sdl_handle, SDL_CreateRGBSurfaceWithFormat);
    bind(g_sdl_handle, SDL_ShowSimpleMessageBox);
    bind(g_sdl_handle, SDL_GetPrefPath);
    bind(g_sdl_handle, SDL_GetBasePath);
    bind(g_sdl_handle, SDL_GetKeyFromName);
    bind(g_sdl_handle, SDL_GetKeyName);
    bind(g_sdl_handle, SDL_GetMouseState);
    bind(g_sdl_handle, SDL_RenderWindowToLogical);
    bind(g_sdl_handle, SDL_RenderLogicalToWindow);
#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() {