Creatures are nearly ready

client/scenes/world.cpp

@@ -186,11 +186,6 @@ void World::RenderFrame(SDL_Renderer* renderer) {
 	//draw the map
 	for (std::list<Region>::iterator it = regionPager.GetContainer()->begin(); it != regionPager.GetContainer()->end(); it++) {
 		tileSheet.DrawRegionTo(renderer, &(*it), camera.x, camera.y);
-
-		//debugging
-//		std::ostringstream msg;
-//		msg << it->GetX() << ", " << it->GetY();
-//		font.DrawStringTo(msg.str(), screen, it->GetX() * tileSheet.GetImage()->GetClipW() - camera.x, it->GetY() * tileSheet.GetImage()->GetClipH() - camera.y);
 	}
 
 	//draw the entities
@@ -398,6 +393,10 @@ void World::HandlePacket(SerialPacket* const argPacket) {
 		break;
 
 		//creature management
+		case SerialPacketType::CREATURE_UPDATE:
+			hCreatureUpdate(static_cast<CreaturePacket*>(argPacket));
+		break;
+
 		case SerialPacketType::CREATURE_CREATE:
 			hCreatureCreate(static_cast<CreaturePacket*>(argPacket));
 		break;
@@ -776,6 +775,26 @@ void World::hCharacterMovement(CharacterPacket* const argPacket) {
 //creature management
 //-------------------------
 
+void World::hCreatureUpdate(CreaturePacket* const argPacket) {
+	//TODO: (1) Authentication
+
+	//check that this character exists
+	std::map<int, BaseCreature>::iterator creatureIt = creatureMap.find(argPacket->creatureIndex);
+	if (creatureIt != creatureMap.end()) {
+		//update the origin and motion, if there's a difference
+		if (creatureIt->second.GetOrigin() != argPacket->origin) {
+			creatureIt->second.SetOrigin(argPacket->origin);
+		}
+		if (creatureIt->second.GetMotion() != argPacket->motion) {
+			creatureIt->second.SetMotion(argPacket->motion);
+			creatureIt->second.CorrectSprite(); //only correct the sprite if the motion changes
+		}
+	}
+	else {
+		hCreatureCreate(argPacket);
+	}
+}
+
 void World::hCreatureCreate(CreaturePacket* const argPacket) {
 	//check for logic errors
 	if (creatureMap.find(argPacket->creatureIndex) != creatureMap.end()) {
@@ -786,14 +805,14 @@ void World::hCreatureCreate(CreaturePacket* const argPacket) {
 		throw(std::runtime_error(msg.str()));
 	}
 
-	//ignore creatures from other rooms
+//	//ignore creatures from other rooms
-	if (roomIndex != argPacket->roomIndex) {
+//	if (roomIndex != argPacket->roomIndex) {
-		//temporary error checking
+//		//temporary error checking
-		std::ostringstream msg;
+//		std::ostringstream msg;
-		msg << "Creature from the wrong room received: ";
+//		msg << "Creature from the wrong room received: ";
-		msg << "creatureIndex: " << argPacket->creatureIndex << ", roomIndex: " << argPacket->roomIndex;
+//		msg << "creatureIndex: " << argPacket->creatureIndex << ", roomIndex: " << argPacket->roomIndex;
-		throw(std::runtime_error(msg.str()));
+//		throw(std::runtime_error(msg.str()));
-	}
+//	}
 
 	//implicitly create the element
 	BaseCreature* creature = &creatureMap[argPacket->creatureIndex];

client/scenes/world.hpp

@@ -107,6 +107,7 @@ private:
 	void hCharacterMovement(CharacterPacket* const);
 
 	//creature management
+	void hCreatureUpdate(CreaturePacket* const);
 	void hCreatureCreate(CreaturePacket* const);
 	void hCreatureUnload(CreaturePacket* const);
 	void hQueryCreatureExists(CreaturePacket* const);

server/rooms/room_data.cpp

@@ -109,7 +109,8 @@ void RoomData::RunFrame() {
 	for (auto& it : creatureList) {
 		CreaturePacket packet;
 		copyCreatureToPacket(&packet, it.second, it.first);
-		//TODO: send
+		packet.type = SerialPacketType::CREATURE_UPDATE;
+		pumpPacketProximity(reinterpret_cast<SerialPacket*>(&packet), roomIndex, it.second->GetOrigin(), 320);
 	}
 
 	//TODO: creature/character collisions
@@ -131,6 +132,14 @@ std::string RoomData::GetTileset() {
 	return tilesetName;
 }
 
+int RoomData::SetRoomIndex(int i) {
+	return roomIndex = i;
+}
+
+int RoomData::GetRoomIndex() {
+	return roomIndex;
+}
+
 std::list<CharacterData*>* RoomData::GetCharacterList() {
 	return &characterList;
 }

server/rooms/room_data.hpp

@@ -48,6 +48,9 @@ public:
 	std::string SetTileset(std::string);
 	std::string GetTileset();
 
+	int SetRoomIndex(int i);
+	int GetRoomIndex();
+
 	std::list<CharacterData*>* GetCharacterList();
 	CreatureManager* GetCreatureMgr();
 	RegionPagerLua* GetPager();
@@ -70,6 +73,7 @@ private:
 	std::string tilesetName;
 
 	//members
+	int roomIndex = 0;
 	std::list<CharacterData*> characterList;
 	CreatureManager creatureMgr;
 	RegionPagerLua pager;

server/rooms/room_manager.cpp

@@ -34,6 +34,7 @@ int RoomManager::Create(std::string roomName, std::string tileset) {
 	RoomData* newRoom = &elementMap[counter]; //implicitly constructs the element
 	newRoom->SetName(roomName);
 	newRoom->SetTileset(tileset);
+	newRoom->SetRoomIndex(counter);
 
 	newRoom->SetLuaState(lua);
 	newRoom->SetDatabase(database);

server/server_application.cpp

@@ -281,11 +281,11 @@ void ServerApplication::HandlePacket(SerialPacket* const argPacket) {
 		case SerialPacketType::REGION_REQUEST:
 			hRegionRequest(static_cast<RegionPacket*>(argPacket));
 		break;
+
+		//character management
 		case SerialPacketType::QUERY_CHARACTER_EXISTS:
 			hQueryCharacterExists(static_cast<CharacterPacket*>(argPacket));
 		break;
-
-		//character management
 		case SerialPacketType::CHARACTER_CREATE:
 			hCharacterCreate(static_cast<CharacterPacket*>(argPacket));
 		break;
@@ -298,14 +298,13 @@ void ServerApplication::HandlePacket(SerialPacket* const argPacket) {
 		case SerialPacketType::CHARACTER_UNLOAD:
 			hCharacterUnload(static_cast<CharacterPacket*>(argPacket));
 		break;
-
-		//character movement
 		case SerialPacketType::CHARACTER_MOVEMENT:
 			hCharacterMovement(static_cast<CharacterPacket*>(argPacket));
 		break;
 
+		//creature management
 		case SerialPacketType::QUERY_CREATURE_EXISTS:
-			//TODO: creature queries
+			hQueryCreatureExists(static_cast<CreaturePacket*>(argPacket));
 		break;
 
 		//chat
@@ -583,6 +582,10 @@ void ServerApplication::hRegionRequest(RegionPacket* const argPacket) {
 	network.SendTo(argPacket->srcAddress, static_cast<SerialPacket*>(&newPacket));
 }
 
+//-------------------------
+//Character Management
+//-------------------------
+
 void ServerApplication::hQueryCharacterExists(CharacterPacket* const argPacket) {
 	//respond with all character data
 	CharacterPacket newPacket;
@@ -597,10 +600,6 @@ void ServerApplication::hQueryCharacterExists(CharacterPacket* const argPacket)
 	}
 }
 
-//-------------------------
-//Character Management
-//-------------------------
-
 void ServerApplication::hCharacterCreate(CharacterPacket* const argPacket) {
 	int characterIndex = characterMgr.Create(argPacket->accountIndex, argPacket->handle, argPacket->avatar);
 
@@ -747,12 +746,6 @@ void ServerApplication::hCharacterUnload(CharacterPacket* const argPacket) {
 	characterMgr.Unload(argPacket->characterIndex);
 }
 
-//-------------------------
-//character movement
-//-------------------------
-
-//TODO: (2) Could replace this verbosity with a "verify" method, taking a client, account and character ptr as arguments
-
 void ServerApplication::hCharacterMovement(CharacterPacket* const argPacket) {
 	//get the specified objects
 	AccountData* accountData = accountMgr.Get(argPacket->accountIndex);
@@ -806,6 +799,25 @@ void ServerApplication::hCharacterMovement(CharacterPacket* const argPacket) {
 	}
 }
 
+//-------------------------
+//creature management
+//-------------------------
+
+//TODO: On creature create, etc.
+
+void ServerApplication::hQueryCreatureExists(CreaturePacket* const argPacket) {
+	CreatureManager* creatureMgr = roomMgr.Get(argPacket->roomIndex)->GetCreatureMgr();
+
+	CreaturePacket newPacket;
+	for ( auto& it : *(creatureMgr->GetContainer()) ) {
+		if (distance(argPacket->origin, it.second.GetOrigin()) < 1000) {
+			copyCreatureToPacket(&newPacket, &(it.second), it.first);
+			newPacket.type = SerialPacketType::QUERY_CREATURE_EXISTS;
+			network.SendTo(argPacket->srcAddress, reinterpret_cast<void*>(&newPacket), MAX_PACKET_SIZE);
+		}
+	}
+}
+
 //-------------------------
 //chat
 //-------------------------

server/server_application.hpp

@@ -88,23 +88,17 @@ private:
 
 	//data management
 	void hRegionRequest(RegionPacket* const);
-	void hQueryCharacterExists(CharacterPacket* const);
-//	void hQueryCharacterStats(CharacterPacket* const);
-//	void hQueryCharacterLocation(CharacterPacket* const);
-//	void hQueryMonsterExists(MonsterPacket* const);
-//	void hQueryMonsterStats(MonsterPacket* const);
-//	void hQueryMonsterLocation(MonsterPacket* const);
 
 	//character management
+	void hQueryCharacterExists(CharacterPacket* const);
 	void hCharacterCreate(CharacterPacket* const);
 	void hCharacterDelete(CharacterPacket* const);
 	void hCharacterLoad(CharacterPacket* const);
 	void hCharacterUnload(CharacterPacket* const);
-
-	//character movement
 	void hCharacterMovement(CharacterPacket* const);
-//	void hCharacterAttack(CharacterPacket* const);
+
-//	void hCharacterDamage(CharacterPacket* const);
+	//creature management
+	void hQueryCreatureExists(CreaturePacket* const);
 
 	//chat
 	void hTextBroadcast(TextPacket* const);

server/server_utilities.cpp

@@ -187,7 +187,7 @@ void pumpAndChangeRooms(int characterIndex, int newRoomIndex) {
 
 //TODO: (0) refactor this
 void pumpAndChangeRooms(CharacterData* const characterData, int newRoomIndex, int characterIndex) {
-	//delete from the old room
+	//delete the character from the old room
 	CharacterPacket newPacket;
 	copyCharacterToPacket(&newPacket, characterData, characterIndex);
 	newPacket.type = SerialPacketType::CHARACTER_UNLOAD;
@@ -198,8 +198,12 @@ void pumpAndChangeRooms(CharacterData* const characterData, int newRoomIndex, in
 	characterData->SetRoomIndex(newRoomIndex);
 	RoomManager::GetSingleton().PushCharacter(characterData);
 
-	//create in the new room
+	//create character in the new room
 	copyCharacterToPacket(&newPacket, characterData, characterIndex);
 	newPacket.type = SerialPacketType::CHARACTER_CREATE;
 	pumpPacketProximity(&newPacket, characterData->GetRoomIndex());
 }
+
+double distance(Vector2 lhs, Vector2 rhs) {
+	return abs((lhs - rhs).Length());
+}

server/server_utilities.hpp

@@ -40,3 +40,5 @@ void copyCreatureToPacket(CreaturePacket* const packet, CreatureData* const crea
 
 void pumpAndChangeRooms(int characterIndex, int newRoomIndex);
 void pumpAndChangeRooms(CharacterData* const characterData, int newRoomIndex, int characterIndex);
+
+double distance(Vector2 lhs, Vector2 rhs);