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#include "FLD.hpp"
#include <SDL2/SDL.h>
#include <unistd.h>
FLD::Error
FLD::init(MainLoop main_loop, void *udata)
{
if (init())
return sdlError();
run(main_loop, udata);
return 0;
}
FLD::Error
FLD::init()
{
if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_JOYSTICK) < 0)
return sdlError();
if (auto err = initBasepath())
return err;
if (auto err = initWindow())
return err;
if (auto err = initRenderer())
return err;
if (auto err = initTarget())
return err;
if (auto err = initSoloud())
return err;
SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "0");
if (config.hide_cursor) {
if (SDL_ShowCursor(SDL_FALSE) < 0)
sdlError();
}
fps.managed = (config.target_fps > 0);
if (fps.managed) {
fps.min_dt = 1000 / config.target_fps;
fps.next_time = SDL_GetTicks64();
}
return 0;
}
FLD::Error
FLD::initBasepath() const
{
char *const basepath = SDL_GetBasePath();
if (basepath == nullptr)
return sdlError();
const int chdir_rv = chdir(basepath);
SDL_free(basepath);
if (chdir_rv < 0)
return perror("chdir"), -1;
return 0;
}
FLD::Error
FLD::initWindow()
{
_window = SDL_CreateWindow(config.title.c_str(),
SDL_WINDOWPOS_UNDEFINED,
SDL_WINDOWPOS_UNDEFINED,
config.width * config.scale,
config.height * config.scale,
SDL_WINDOW_RESIZABLE);
if (_window == nullptr)
return sdlError();
return 0;
}
FLD::Error
FLD::initRenderer()
{
#ifdef __EMSCRIPTEN__
_renderer = SDL_CreateRenderer(_window, -1, SDL_RENDERER_SOFTWARE);
#else
_renderer = SDL_CreateRenderer(_window, -1, SDL_RENDERER_ACCELERATED);
#endif
if (_renderer == nullptr)
return sdlError();
return 0;
}
FLD::Error
FLD::initTarget()
{
_target = SDL_CreateTexture(_renderer,
SDL_PIXELFORMAT_RGB888,
SDL_TEXTUREACCESS_TARGET,
config.width,
config.height);
if (_target == nullptr)
return sdlError();
return 0;
}
FLD::Error
FLD::initSoloud()
{
if (auto err = soloud.init())
return soloudError(err);
return 0;
}
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