mirror of
https://github.com/ctruLua/ctruLua.git
synced 2025-10-27 16:39:29 +00:00
108 lines
2.4 KiB
C
108 lines
2.4 KiB
C
#include <sf2d.h>
|
|
#include <sfil.h>
|
|
|
|
#include <lapi.h>
|
|
#include <lauxlib.h>
|
|
|
|
typedef struct {
|
|
sf2d_texture *texture;
|
|
//u32 blendColor = 0xffffffff;
|
|
} texture_userdata;
|
|
|
|
u8 getType(const char *name) {
|
|
// NYI, always return the PNG type, because PNG is the best type.
|
|
return 0;
|
|
}
|
|
|
|
// module functions
|
|
static int texture_load(lua_State *L) {
|
|
const char *path = luaL_checkstring(L, 1);
|
|
u8 place = luaL_checkinteger(L, 2);
|
|
u8 type = luaL_optinteger(L, 3, 3); //type 3 is "search at the end of the filename"
|
|
|
|
texture_userdata *texture;
|
|
texture = (texture_userdata *)lua_newuserdata(L, sizeof(*texture));
|
|
|
|
luaL_getmetatable(L, "LTexture");
|
|
lua_setmetatable(L, -2);
|
|
|
|
if (type==3) type = getType(path);
|
|
if (type==0) { //PNG
|
|
texture->texture = sfil_load_PNG_file(path, place);
|
|
} else if (type==1) { //JPEG
|
|
texture->texture = sfil_load_JPEG_file(path, place);
|
|
} else if (type==2) { //BMP
|
|
texture->texture = sfil_load_BMP_file(path, place);
|
|
} else {
|
|
lua_pushnil(L);
|
|
lua_pushstring(L, "Bad type");
|
|
return 2;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int texture_draw(lua_State *L) {
|
|
texture_userdata *texture = luaL_checkudata(L, 1, "LTexture");
|
|
int x = luaL_checkinteger(L, 2);
|
|
int y = luaL_checkinteger(L, 3);
|
|
|
|
sf2d_draw_texture(texture->texture, x, y);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int texture_unload(lua_State *L) {
|
|
texture_userdata *texture = luaL_checkudata(L, 1, "LTexture");
|
|
|
|
if (texture->texture != NULL) sf2d_free_texture(texture->texture);
|
|
texture->texture = NULL;
|
|
|
|
return 0;
|
|
}
|
|
|
|
// object
|
|
static const struct luaL_Reg texture_methods[] = {
|
|
{"draw", texture_draw },
|
|
{"unload", texture_unload},
|
|
{"__gc", texture_unload},
|
|
{NULL, NULL}
|
|
};
|
|
|
|
// module
|
|
static const struct luaL_Reg texture_functions[] = {
|
|
{"load", texture_load},
|
|
{NULL, NULL}
|
|
};
|
|
|
|
// constants
|
|
struct { char *name; int value; } texture_constants[] = {
|
|
{"PLACE_RAM", 0},
|
|
{"PLACE_VRAM", 1},
|
|
{"PLACE_TEMP", 2},
|
|
{"TYPE_PNG", 0},
|
|
{"TYPE_JPEG", 1},
|
|
{"TYPE_BMP", 2},
|
|
{NULL, 0}
|
|
};
|
|
|
|
int luaopen_texture_lib(lua_State *L) {
|
|
luaL_newmetatable(L, "LTexture");
|
|
lua_pushvalue(L, -1);
|
|
lua_setfield(L, -2, "__index");
|
|
luaL_setfuncs(L, texture_methods, 0);
|
|
|
|
luaL_newlib(L, texture_functions);
|
|
|
|
for (int i = 0; texture_constants[i].name; i++) {
|
|
lua_pushinteger(L, texture_constants[i].value);
|
|
lua_setfield(L, -2, texture_constants[i].name);
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
void load_texture_lib(lua_State *L) {
|
|
luaL_requiref(L, "ctr.gfx.texture", luaopen_texture_lib, false);
|
|
}
|
|
|