Fixed the scripts struggling with nested API tables

I actually don't remember what the RoomData's lua references where for,
but I'm pretty srue it wasn't this. I'll figure something out when I've
had a sleep.

rsc/scripts/map_maker.lua

@@ -1,3 +1,5 @@
+local mapSystem = require "map_system"
+
 local mapMaker = {}
 
 --utility functions
@@ -19,16 +21,16 @@ mapMaker.dirt	= 18 + 3 * 4
 
 --custom generation systems here
 function mapMaker.debugIsland(region)
-	for i = 1, Region.GetWidth(region) do
+	for i = 1, mapSystem.Region.GetWidth(region) do
-		for j = 1, Region.GetHeight(region) do
+		for j = 1, mapSystem.Region.GetHeight(region) do
-			local dist = mapMaker.dist(0, 0, i + Region.GetX(region) -1, j + Region.GetY(region) -1)
+			local dist = mapMaker.dist(0, 0, i + mapSystem.Region.GetX(region) -1, j + mapSystem.Region.GetY(region) -1)
 			if dist < 10 then
-				Region.SetTile(region, i, j, 1, mapMaker.plains)
+				mapSystem.Region.SetTile(region, i, j, 1, mapMaker.plains)
 			elseif dist < 12 then
-				Region.SetTile(region, i, j, 1, mapMaker.sand)
+				mapSystem.Region.SetTile(region, i, j, 1, mapMaker.sand)
 			else
-				Region.SetTile(region, i, j, 1, mapMaker.water)
+				mapSystem.Region.SetTile(region, i, j, 1, mapMaker.water)
-				Region.SetSolid(region, i, j, true)
+				mapSystem.Region.SetSolid(region, i, j, true)
 			end
 		end
 	end

rsc/scripts/map_saver.lua

@@ -1 +1,3 @@
---TODO: create a flexible saving & loading system
+local mapSaver = {}
+--TODO: create a flexible saving & loading system
+return mapSaver

rsc/scripts/setup_server.lua

@@ -4,8 +4,30 @@ mapMaker = require "map_maker"
 mapSaver = require "map_saver"
 roomSystem = require "room_system"
 
+local function dumpTable(t)
+	print(t)
+	for k, v in pairs(t) do
+		print("",k, v)
+	end
+end
+
+dumpTable(mapMaker)
+dumpTable(mapSaver)
+dumpTable(roomSystem)
+dumpTable(roomSystem.Room)
+dumpTable(roomSystem.RoomManager)
+
 --create the overworld, set it's generator, loader & saver
-local overworld = roomSystem.CreateRoom("overworld", "overworld.bmp")
+local overworld = roomSystem.RoomManager.CreateRoom("overworld", "overworld.bmp")
-roomSystem.SetOnLoad(overworld, mapMaker.debugIsland, mapSaver.load, mapSaver.save)
+roomSystem.Room.SetOnLoad(overworld, 1123)
+roomSystem.Room.SetOnUnload(overworld, 458)
+
+if roomSystem.Room.GetOnLoad(overworld) == 1123 then
+	print("onload retreival works")
+end
+
+if roomSystem.Room.GetOnUnload(overworld) == 458 then
+	print("onunload retreival works")
+end
 
 print("Finished the lua script")

server/rooms/room_api.cpp

@@ -55,12 +55,44 @@ static int getPager(lua_State* L) {
 
 //TODO: GetEntityList?
 
+static int setLoadReference(lua_State* L) {
+	RoomData* room = reinterpret_cast<RoomData*>(lua_touserdata(L, 1));
+	luaL_unref(L, LUA_REGISTRYINDEX, room->GetLoadReference());
+	room->SetLoadReference(luaL_ref(L, LUA_REGISTRYINDEX));
+	return 0;
+}
+
+static int getLoadReference(lua_State* L) {
+	RoomData* room = reinterpret_cast<RoomData*>(lua_touserdata(L, 1));
+	lua_pushinteger(L, room->GetLoadReference());
+	lua_gettable(L, LUA_REGISTRYINDEX);
+	return 1;
+}
+
+static int setUnloadReference(lua_State* L) {
+	RoomData* room = reinterpret_cast<RoomData*>(lua_touserdata(L, 1));
+	luaL_unref(L, LUA_REGISTRYINDEX, room->GetUnloadReference());
+	room->SetUnloadReference(luaL_ref(L, LUA_REGISTRYINDEX));
+	return 0;
+}
+
+static int getUnloadReference(lua_State* L) {
+	RoomData* room = reinterpret_cast<RoomData*>(lua_touserdata(L, 1));
+	lua_pushinteger(L, room->GetUnloadReference());
+	lua_gettable(L, LUA_REGISTRYINDEX);
+	return 1;
+}
+
 static const luaL_Reg roomLib[] = {
 	{"GetPager",getPager},
 	{"SetRoomName", setRoomName},
 	{"GetRoomName", getRoomName},
 	{"SetTileset", setTilesetName},
 	{"GetTileset", getTilesetName},
+	{"SetOnLoad", setLoadReference},
+	{"GetOnLoad", getLoadReference},
+	{"SetOnUnload", setUnloadReference},
+	{"GetOnUnload", getUnloadReference},
 	{nullptr, nullptr}
 };
 

server/rooms/room_system_api.cpp

@@ -48,7 +48,7 @@ int openRoomSystemAPI(lua_State* L) {
 
 	//push the substable
 	for (const luaL_Reg* lib = libs; lib->func; lib++) {
-		lua_pushcfunction(L, lib->func);
+		lib->func(L);
 		lua_setfield(L, -2, lib->name);
 	}
 	return 1;