Implemented CharacterManager::ForEach()

rsc/scripts/setup_server.lua

@@ -20,6 +20,9 @@ roomSystem.RoomManager.SetOnCreate(function(room, index)
 
 	--called ~60 times per second
 	roomSystem.Room.SetOnTick(room, function(room)
+		characterSystem.CharacterManager.ForEach(function(character)
+			print(characterSystem.Character.GetHandle(character))
+		end)
 		--[[
 		local character = characterSystem.CharacterManager.GetCharacter("handle")
 		if character ~= nil then
@@ -44,6 +47,7 @@ end)
 local overworld, uid = roomSystem.RoomManager.CreateRoom("overworld", "overworld.bmp")
 roomSystem.Room.Initialize(overworld, mapSaver.Load, mapSaver.Save, mapMaker.DebugIsland, mapSaver.Save)
 
+--[[
 --debugging
 triggerMgr = roomSystem.Room.GetTriggerMgr(overworld)
 trigger1, uid1 = triggerSystem.TriggerManager.Create(triggerMgr, "handle1")
@@ -56,5 +60,7 @@ local deleted = triggerSystem.TriggerManager.Unload(triggerMgr, triggerSystem.Tr
 print("triggers:", triggerSystem.TriggerManager.GetCount(triggerMgr))
 
 print("deleted: ", deleted)
+--]]
+
 
 print("Finished the lua script")

server/characters/character_manager_api.cpp

@@ -23,6 +23,11 @@
 
 #include "character_manager.hpp"
 
+#include <sstream>
+#include <stdexcept>
+
+//TODO: (1) character hooks?
+
 static int setOnCreate(lua_State* L) {
 	//TODO: (9) setOnCreate()
 }
@@ -75,7 +80,20 @@ static int getLoadedCount(lua_State* L) {
 }
 
 static int forEach(lua_State* L) {
-	//TODO: (9) forEach()
+	CharacterManager& characterMgr = CharacterManager::GetSingleton();
+	//pass each character to the given function
+	for (auto& it : *characterMgr.GetContainer()) {
+		lua_pushvalue(L, -1);
+		lua_pushlightuserdata(L, static_cast<void*>(&it.second));
+		//call each iteration, throwing an exception if something happened
+		if (lua_pcall(L, 1, 0, 0) != LUA_OK) {
+			std::ostringstream os;
+			os << "Lua error: ";
+			os << lua_tostring(L, -1);
+			throw(std::runtime_error(os.str()));
+		}
+	}
+	return 0;
 }
 
 static const luaL_Reg characterManagerLib[] = {
@@ -86,7 +104,7 @@ static const luaL_Reg characterManagerLib[] = {
 //	{"SetOnDelete", setOnDelete},
 	{"GetCharacter", getCharacter},
 	{"GetLoadedCount", getLoadedCount},
-//	{"ForEach", forEach},
+	{"ForEach", forEach},
 	{nullptr, nullptr}
 };
 

server/rooms/room_api.cpp

@@ -67,6 +67,8 @@ static int getTriggerMgr(lua_State* L) {
 
 //TODO: character list
 
+//TODO: (1) forEachCharacter
+
 static int setOnTick(lua_State* L) {
 	RoomData* room = reinterpret_cast<RoomData*>(lua_touserdata(L, 1));
 	luaL_unref(L, LUA_REGISTRYINDEX, room->GetTickReference());