Threaded barriers into the client, not yet queried

I've also refactored the rooms slightly.

server/triggers/trigger_manager.cpp

@@ -29,6 +29,53 @@ TriggerManager::~TriggerManager() {
 	UnloadAll();
 }
 
+//Compare the triggers to the entities, using their real hitboxes
+void TriggerManager::Compare(std::stack<Entity*> entityStack) {
+	//NOTE: this stack solution should prevent problems when modifying the various lists
+	while(entityStack.size()) {
+		//get the entity & hitbox
+		Entity* entity = entityStack.top();
+		BoundingBox entityBox = entity->GetBounds() + entity->GetOrigin();
+
+		//get the trigger pair & hitbox
+		for (auto& triggerPair : elementMap) {
+			BoundingBox triggerBox = triggerPair.second.GetBoundingBox() + triggerPair.second.GetOrigin();
+
+			//find all collisions
+			if (entityBox.CheckOverlap(triggerBox)) {
+				//skip members of the exclusion list
+				if (std::any_of(triggerPair.second.GetExclusionList()->begin(), triggerPair.second.GetExclusionList()->end(), [entity](Entity* ptr) -> bool {
+					return entity == ptr;
+				})) {
+					continue;
+				}
+
+				//run the trigger script
+				lua_rawgeti(lua, LUA_REGISTRYINDEX, triggerPair.second.GetScriptReference());
+				lua_pushlightuserdata(lua, entity);
+
+				if (lua_pcall(lua, 1, 0, 0) != LUA_OK) {
+					//error
+					throw(std::runtime_error(std::string() + "Lua error: " + lua_tostring(lua, -1) ));
+				}
+
+				//push to the exclusion list
+				triggerPair.second.GetExclusionList()->push_back(entity);
+			}
+			else {
+				//remove members of the exclusion list
+				//NOTE: characters in different rooms won't be removed, but that shouldn't be a problem
+				triggerPair.second.GetExclusionList()->remove_if([entity](Entity* ptr) -> bool {
+					return entity == ptr;
+				});
+			}
+		}
+
+		//next
+		entityStack.pop();
+	}
+}
+
 int TriggerManager::Create(std::string handle) {
 	//implicitly creates the element
 	TriggerData& triggerData = elementMap[counter];

server/triggers/trigger_manager.hpp

@@ -29,6 +29,7 @@
 
 #include <functional>
 #include <map>
+#include <stack>
 #include <string>
 
 class TriggerManager {
@@ -36,6 +37,8 @@ public:
 	TriggerManager();
 	~TriggerManager();
 
+	void Compare(std::stack<Entity*> entityStack);
+
 	//common public methods
 	int Create(std::string handle); //TODO: return the Trigger itself?
 	void Unload(int uid);