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#include <stdio.h>
#include "raylib.h"
#include "lua.h"
#include "lualib.h"
#include "lauxlib.h"
#define IN_FILE "test/main.lua"
#define DEBUG_LEVEL LOG_DEBUG
static int l_open_window(lua_State *L) {
int width = luaL_checknumber(L, 1);
int height = luaL_checknumber(L, 2);
const char *title = luaL_checkstring(L, 3);
SetConfigFlags(FLAG_WINDOW_RESIZABLE | FLAG_VSYNC_HINT | FLAG_WINDOW_HIGHDPI);
InitWindow(width, height, title);
TraceLog(LOG_DEBUG, "l_open_window");
return 0;
}
static int l_window_should_close(lua_State *L) {
lua_pushboolean(L, WindowShouldClose());
return 1;
}
static int l_set_fps(lua_State *L) {
int fps = luaL_checknumber(L, 1);
SetTargetFPS(fps);
TraceLog(LOG_DEBUG, "l_set_fps");
return 0;
}
static int l_close_window(lua_State *L) {
CloseWindow();
TraceLog(LOG_DEBUG, "l_close_window");
return 0;
}
static int l_begin_drawing(lua_State *L) {
BeginDrawing();
return 0;
}
static int l_end_drawing(lua_State *L) {
EndDrawing();
return 0;
}
static int l_clear_window(lua_State *L) {
ClearBackground(BLACK);
return 0;
}
static int l_draw_fps(lua_State *L) {
DrawFPS(GetScreenWidth() - 100, 20);
return 0;
}
int main(void) {
SetTraceLogLevel(DEBUG_LEVEL);
lua_State *L = luaL_newstate();
luaL_openlibs(L);
lua_register(L, "open_window", l_open_window);
lua_register(L, "close_window", l_close_window);
lua_register(L, "window_should_close", l_window_should_close);
lua_register(L, "begin_drawing", l_begin_drawing);
lua_register(L, "end_drawing", l_end_drawing);
lua_register(L, "set_fps", l_set_fps);
lua_register(L, "draw_fps", l_draw_fps);
lua_register(L, "clear_window", l_clear_window);
// TODO: This should probably use loadbuffer instead.
// https://www.lua.org/manual/5.4/manual.html#luaL_loadbuffer
if (luaL_loadfile(L, IN_FILE) || lua_pcall(L, 0, 0, 0)) {
fprintf(stderr, "Error: %s\n", lua_tostring(L, -1));
return 1;
}
lua_close(L);
return 0;
}
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