Wrote PumpPacketProximity, it works

server/server_application.hpp

@@ -107,6 +107,7 @@ private:
 
 	//utility methods
 	void PumpPacket(SerialPacket* const);
+	void PumpPacketProximity(SerialPacket* const argPacket, int roomIndex, Vector2 position, int distance);
 	void CopyCharacterToPacket(CharacterPacket* const packet, int characterIndex);
 
 	//APIs and utilities

server/server_character_methods.cpp

@@ -300,5 +300,5 @@ void ServerApplication::HandleCharacterSetMotion(CharacterPacket* const argPacke
 	CharacterPacket newPacket;
 	CopyCharacterToPacket(&newPacket, argPacket->characterIndex);
 	newPacket.type = SerialPacketType::CHARACTER_SET_MOTION;
-	PumpPacket(&newPacket);
+	PumpPacketProximity(&newPacket, characterData->GetRoomIndex(), characterData->GetOrigin(), -1);
 }

server/server_methods.cpp

@@ -175,6 +175,22 @@ void ServerApplication::PumpPacket(SerialPacket* const argPacket) {
 	}
 }
 
+void ServerApplication::PumpPacketProximity(SerialPacket* const argPacket, int roomIndex, Vector2 position, int distance) {
+	RoomData* room = roomMgr.Get(roomIndex);
+
+	if (!room) {
+		throw(std::runtime_error("Failed to pump to a non-existant room"));
+	}
+
+	for (auto& character : *room->GetCharacterList()) {
+		if (distance == -1 || (character->GetOrigin() - position).Length() <= distance) {
+			AccountData* account = accountMgr.Get(character->GetOwner());
+			ClientData* client = clientMgr.Get(account->GetClientIndex());
+			network.SendTo(client->GetAddress(), argPacket);
+		}
+	}
+}
+
 void ServerApplication::CopyCharacterToPacket(CharacterPacket* const packet, int characterIndex) {
 	CharacterData* character = characterMgr.Get(characterIndex);
 	if (!character) {