Fleshed out the pager's API

common/script/region_api.cpp

@@ -24,55 +24,84 @@
 #include "region.hpp"
 
 static int setTile(lua_State* L) {
-	//operating on a region
-	Region* ptr = (Region*)lua_touserdata(L, 1);
-	ptr->SetTile(lua_tointeger(L, 2)-1, lua_tointeger(L, 3)-1, lua_tointeger(L, 4)-1, lua_tointeger(L, 5));
-	return 0;
+	Region* region = reinterpret_cast<Region*>(lua_touserdata(L, 1));
+	int ret = region->SetTile(lua_tointeger(L, 2)-1, lua_tointeger(L, 3)-1, lua_tointeger(L, 4)-1, lua_tointeger(L, 5));
+	lua_pop(L, 5);
+	lua_pushinteger(L, ret);
+	return 1;
 }
 
 static int getTile(lua_State* L) {
-	//operating on a region
-	Region* ptr = (Region*)lua_touserdata(L, 1);
-	int ret = ptr->GetTile(lua_tointeger(L, 2)-1, lua_tointeger(L, 3)-1, lua_tointeger(L, 4)-1);
-	lua_pushnumber(L, ret);
+	Region* region = reinterpret_cast<Region*>(lua_touserdata(L, 1));
+	int ret = region->GetTile(lua_tointeger(L, 2)-1, lua_tointeger(L, 3)-1, lua_tointeger(L, 4)-1);
+	lua_pop(L, 4);
+	lua_pushinteger(L, ret);
 	return 1;
 }
 
 static int getX(lua_State* L) {
-	Region* ptr = (Region*)lua_touserdata(L, 1);
-	lua_pushinteger(L, ptr->GetX());
+	Region* region = reinterpret_cast<Region*>(lua_touserdata(L, 1));
+	int ret = region->GetX();
+	lua_pop(L, 1);
+	lua_pushinteger(L, ret);
 	return 1;
 }
 
 static int getY(lua_State* L) {
-	Region* ptr = (Region*)lua_touserdata(L, 1);
-	lua_pushinteger(L, ptr->GetY());
+	Region* region = reinterpret_cast<Region*>(lua_touserdata(L, 1));
+	int ret = region->GetY();
+	lua_pop(L, 1);
+	lua_pushinteger(L, ret);
 	return 1;
 }
 
-static int getRegionWidth(lua_State* L) {
+static int getWidth(lua_State* L) {
 	lua_pushinteger(L, REGION_WIDTH);
 	return 1;
 }
 
-static int getRegionHeight(lua_State* L) {
+static int getHeight(lua_State* L) {
 	lua_pushinteger(L, REGION_HEIGHT);
 	return 1;
 }
 
-static int getRegionDepth(lua_State* L) {
+static int getDepth(lua_State* L) {
 	lua_pushinteger(L, REGION_DEPTH);
 	return 1;
 }
 
+static int load(lua_State* L) {
+	//TODO: fill this
+	return 0;
+}
+
+static int save(lua_State* L) {
+	//TODO: fill this
+	return 0;
+}
+
+static int create(lua_State* L) {
+	//TODO: fill this
+	return 0;
+}
+
+static int unload(lua_State* L) {
+	//TODO: fill this
+	return 0;
+}
+
 static const luaL_Reg regionlib[] = {
 	{"settile",setTile},
 	{"gettile",getTile},
 	{"getx",getX},
 	{"gety",getY},
-	{"getregionwidth",getRegionWidth},
-	{"getregionheight",getRegionHeight},
-	{"getregiondepth",getRegionDepth},
+	{"getwidth",getWidth},
+	{"getheight",getHeight},
+	{"getdepth",getDepth},
+	{"load",load},
+	{"save",save},
+	{"create",create},
+	{"unload",unload},
 	{nullptr, nullptr}
 };