mirror of https://github.com/Kiritow/LuaEngine
136 lines
3.0 KiB
C++
136 lines
3.0 KiB
C++
#include "include.h"
|
|
using namespace std;
|
|
|
|
/**
|
|
module Surface
|
|
load(filename: string): Surface
|
|
loadmem(data: string): Surface
|
|
|
|
class Surface
|
|
enableColorKey(r: int, g: int, b: int)
|
|
disableColorKey(r: int, g: int, b: int)
|
|
enableRLE()
|
|
disableRLE()
|
|
*/
|
|
|
|
int surface_enablecolorkey(lua_State* L)
|
|
{
|
|
auto surf = lua_checkres<SDL_Surface>(L, 1, "LuaEngineSurface");
|
|
int r = luaL_checkinteger(L, 2);
|
|
int g = luaL_checkinteger(L, 2);
|
|
int b = luaL_checkinteger(L, 2);
|
|
if (SDL_SetColorKey(surf, 1, SDL_MapRGB(surf->format, r, g, b)) != 0)
|
|
{
|
|
return SDLError(L, SDL_SetColorKey);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int surface_disablecolorkey(lua_State* L)
|
|
{
|
|
auto surf = lua_checkres<SDL_Surface>(L, 1, "LuaEngineSurface");
|
|
int r = luaL_checkinteger(L, 2);
|
|
int g = luaL_checkinteger(L, 2);
|
|
int b = luaL_checkinteger(L, 2);
|
|
if (SDL_SetColorKey(surf, 0, SDL_MapRGB(surf->format, r, g, b)) != 0)
|
|
{
|
|
return SDLError(L, SDL_SetColorKey);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int surface_enableRLE(lua_State* L)
|
|
{
|
|
auto surf = lua_checkres<SDL_Surface>(L, 1, "LuaEngineSurface");
|
|
if (SDL_SetSurfaceRLE(surf, 1) != 0)
|
|
{
|
|
return SDLError(L, SDL_SetSurfaceRLE);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int surface_disableRLE(lua_State* L)
|
|
{
|
|
auto surf = lua_checkres<SDL_Surface>(L, 1, "LuaEngineSurface");
|
|
if (SDL_SetSurfaceRLE(surf, 0) != 0)
|
|
{
|
|
return SDLError(L, SDL_SetSurfaceRLE);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int surface_close(lua_State* L)
|
|
{
|
|
auto surf = lua_checkfullres<SDL_Surface>(L, 1, "LuaEngineSurface");
|
|
surf->~ShareableResource<SDL_Surface>();
|
|
return 0;
|
|
}
|
|
|
|
// shared
|
|
void put_surface_meta(lua_State* L)
|
|
{
|
|
if (luaL_newmetatable(L, "LuaEngineSurface"))
|
|
{
|
|
lua_setfield_function(L, "__gc", surface_close);
|
|
lua_newtable(L);
|
|
lua_setfield_function(L, "enableColorKey", surface_enablecolorkey);
|
|
lua_setfield_function(L, "disableColorKey", surface_disablecolorkey);
|
|
lua_setfield_function(L, "enableRLE", surface_enableRLE);
|
|
lua_setfield_function(L, "disableRLE", surface_disableRLE);
|
|
lua_setfield(L, -2, "__index");
|
|
}
|
|
lua_setmetatable(L, -2);
|
|
}
|
|
|
|
// global
|
|
void put_surface(lua_State* L, SDL_Surface* surf)
|
|
{
|
|
lua_newres(L, surf, SDL_FreeSurface);
|
|
put_surface_meta(L);
|
|
}
|
|
|
|
// global
|
|
void put_surface(lua_State* L, const shared_ptr<SDL_Surface>& surf)
|
|
{
|
|
lua_newres(L, surf);
|
|
put_surface_meta(L);
|
|
}
|
|
|
|
int surface_load(lua_State* L)
|
|
{
|
|
const char* filename = luaL_checkstring(L, 1);
|
|
SDL_Surface* surf = IMG_Load(filename);
|
|
if (!surf)
|
|
{
|
|
return IMGError(L, IMG_Load);
|
|
}
|
|
put_surface(L, surf);
|
|
return 1;
|
|
}
|
|
|
|
int surface_loadmem(lua_State* L)
|
|
{
|
|
size_t datasz;
|
|
const char* data = luaL_checklstring(L, 1, &datasz);
|
|
SDL_RWops* src = SDL_RWFromConstMem(data, datasz);
|
|
SDL_Surface* surf = IMG_Load_RW(src, 0);
|
|
SDL_RWclose(src);
|
|
if (!surf)
|
|
{
|
|
return IMGError(L, IMG_Load_RW);
|
|
}
|
|
put_surface(L, surf);
|
|
return 1;
|
|
}
|
|
|
|
void InitSurface(lua_State* L)
|
|
{
|
|
lua_getglobal(L, "package");
|
|
lua_getfield(L, -1, "loaded");
|
|
lua_newtable(L);
|
|
lua_setfield_function(L, "load", surface_load);
|
|
lua_setfield_function(L, "loadmem", surface_loadmem);
|
|
lua_setfield(L, -2, "Surface");
|
|
lua_pop(L, 2);
|
|
}
|