Removed extreneous parameter requirement

Also added tile_sheet_api.*pp

tile_sheet_api.cpp

@@ -0,0 +1,89 @@
+/* Copyright: (c) Kayne Ruse 2013-2016
+ * 
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ * 
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ * 
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+*/
+#include "tile_sheet_api.hpp"
+
+#include "tile_sheet.hpp"
+
+static int load(lua_State* L) {
+	lua_getglobal(L, TILESHEET_NAME);
+	TileSheet* sheet = static_cast<TileSheet*>(lua_touserdata(L, -1));
+	lua_getglobal(L, RENDERER_NAME);
+	sheet->Load(
+		static_cast<SDL_Renderer*>(lua_touserdata(L, -1)),
+		lua_tostring(L, 1),
+		lua_tointeger(L, 2),
+		lua_tointeger(L, 3)
+			);
+	return 0;
+}
+
+static int free(lua_State* L) {
+	lua_getglobal(L, TILESHEET_NAME);
+	TileSheet* sheet = static_cast<TileSheet*>(lua_touserdata(L, -1));
+	sheet->Free();
+	return 0;
+}
+
+static int getCountX(lua_State* L) {
+	lua_getglobal(L, TILESHEET_NAME);
+	TileSheet* sheet = static_cast<TileSheet*>(lua_touserdata(L, -1));
+	lua_pushinteger(L, sheet->GetCountX());
+	return 1;
+}
+
+static int getCountY(lua_State* L) {
+	lua_getglobal(L, TILESHEET_NAME);
+	TileSheet* sheet = static_cast<TileSheet*>(lua_touserdata(L, -1));
+	lua_pushinteger(L, sheet->GetCountY());
+	return 1;
+}
+
+static int getTileW(lua_State* L) {
+	lua_getglobal(L, TILESHEET_NAME);
+	TileSheet* sheet = static_cast<TileSheet*>(lua_touserdata(L, -1));
+	lua_pushinteger(L, sheet->GetTileW());
+	return 1;
+}
+
+static int getTileH(lua_State* L) {
+	lua_getglobal(L, TILESHEET_NAME);
+	TileSheet* sheet = static_cast<TileSheet*>(lua_touserdata(L, -1));
+	lua_pushinteger(L, sheet->GetTileH());
+	return 1;
+}
+
+static const luaL_Reg tileSheetLib[] = {
+	{"Load", load},
+	{"Free", free},
+
+	{"GetCountX", getCountX},
+	{"GetCountY", getCountY},
+	{"GetTileW", getTileW},
+	{"GetTileH", getTileH},
+
+	{nullptr, nullptr}
+};
+
+LUAMOD_API int openTileSheetAPI(lua_State* L) {
+	luaL_newlib(L, tileSheetLib);
+	return 1;
+}