Initial commit

Signed-off-by: Slendi <slendi@socopon.com>

src/lua_helpers.h

@@ -0,0 +1,78 @@
+#ifndef LUA_HELPERS_H
+#define LUA_HELPERS_H
+
+#include <lauxlib.h>
+#include <lua.h>
+#include <raylib.h>
+
+static Vector3 lua_readVector3(lua_State *L, int index)
+{
+	Vector3 v = { 0 };
+
+	if (!lua_istable(L, index))
+		return v;
+
+	lua_getfield(L, index, "x");
+	if (lua_isnumber(L, -1)) {
+		v.x = lua_tonumber(L, -1);
+		lua_pop(L, 1);
+
+		lua_getfield(L, index, "y");
+		v.y = luaL_optnumber(L, -1, 0);
+		lua_pop(L, 1);
+
+		lua_getfield(L, index, "z");
+		v.z = luaL_optnumber(L, -1, 0);
+		lua_pop(L, 1);
+
+		return v;
+	}
+	lua_pop(L, 1);
+
+	lua_rawgeti(L, index, 1);
+	v.x = luaL_optnumber(L, -1, 0);
+	lua_pop(L, 1);
+
+	lua_rawgeti(L, index, 2);
+	v.y = luaL_optnumber(L, -1, 0);
+	lua_pop(L, 1);
+
+	lua_rawgeti(L, index, 3);
+	v.z = luaL_optnumber(L, -1, 0);
+	lua_pop(L, 1);
+
+	return v;
+}
+
+static Vector2 lua_readVector2(lua_State *L, int index)
+{
+	Vector2 v = { 0 };
+
+	if (!lua_istable(L, index))
+		return v;
+
+	lua_getfield(L, index, "x");
+	if (lua_isnumber(L, -1)) {
+		v.x = lua_tonumber(L, -1);
+		lua_pop(L, 1);
+
+		lua_getfield(L, index, "y");
+		v.y = luaL_optnumber(L, -1, 0);
+		lua_pop(L, 1);
+
+		return v;
+	}
+	lua_pop(L, 1);
+
+	lua_rawgeti(L, index, 1);
+	v.x = luaL_optnumber(L, -1, 0);
+	lua_pop(L, 1);
+
+	lua_rawgeti(L, index, 2);
+	v.y = luaL_optnumber(L, -1, 0);
+	lua_pop(L, 1);
+
+	return v;
+}
+
+#endif // LUA_HELPERS_H