Moved server/server_utilities up one directory

Also modified makefiles to account for the change.
2016-03-21 19:07:09 +11:00
parent 19792f8aec
commit fd11f4e0e6
17 changed files with 27 additions and 41 deletions
@@ -0,0 +1,196 @@
+/* Copyright: (c) Kayne Ruse 2013-2015
+ * 
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ * 
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ * 
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+*/
+#include "server_utilities.hpp"
+
+#include "account_manager.hpp"
+#include "character_manager.hpp"
+#include "client_manager.hpp"
+#include "room_manager.hpp"
+#include "udp_network_utility.hpp"
+
+#include <cstring>
+
+/*DOCS: each of these calls the next (diagram)
+	fullClientUnload()
+		-> fullAccountUnload()
+			-> fullCharacterUnload()
+				-> pumpPacketProximity()
+	
+	copyCharacterToPacket() v1
+		-> copyCharacterToPacket() v2
+*/
+
+//-------------------------
+//manager unload functions
+//-------------------------
+
+void fullClientUnload(int index) {
+	ClientManager::GetSingleton().UnloadIf([index](std::pair<const int, ClientData const&> clientPair) -> bool {
+		//skip the wrong clients
+		if (clientPair.first != index) {
+			return false;
+		}
+
+		AccountManager& accountMgr = AccountManager::GetSingleton();
+
+		//unload associated accounts
+		for (std::map<int, AccountData>::iterator it = accountMgr.GetContainer()->begin(); it != accountMgr.GetContainer()->end(); /* EMPTY */) {
+			if (it->second.GetClientIndex() == index) {
+				fullAccountUnload(it->first);
+				it = accountMgr.GetContainer()->begin();
+			}
+			else {
+				++it;
+			}
+		}
+
+		//unload this client
+		return true;
+	});
+}
+
+void fullAccountUnload(int index) {
+	AccountManager::GetSingleton().UnloadIf([index](std::pair<const int, AccountData const&> accountPair) -> bool {
+		//skip the wrong accounts
+		if (accountPair.first != index) {
+			return false;
+		}
+
+		CharacterManager& characterMgr = CharacterManager::GetSingleton();
+
+		//unload associated characters
+		for (std::map<int, CharacterData>::iterator it = characterMgr.GetContainer()->begin(); it != characterMgr.GetContainer()->end(); /* EMPTY */) {
+			if (it->second.GetOwner() == index) {
+				fullCharacterUnload(it->first);
+				it = characterMgr.GetContainer()->begin();
+			}
+			else {
+				++it;
+			}
+		}
+
+		//unload this account
+		return true;
+	});
+}
+
+void fullCharacterUnload(int index) {
+	CharacterManager::GetSingleton().UnloadIf([index](std::pair<const int, CharacterData const&> characterPair) -> bool {
+		//skip the wrong characters
+		if (characterPair.first != index) {
+			return false;
+		}
+
+		//pop from the rooms
+		RoomManager::GetSingleton().PopCharacter(&characterPair.second);
+
+		//pump character unload
+		CharacterPacket newPacket;
+		newPacket.type = SerialPacketType::CHARACTER_DELETE;
+		newPacket.characterIndex = characterPair.first;
+		//NOTE: more character info as needed
+
+		//TODO: proximity?
+		pumpPacketProximity(&newPacket, characterPair.second.GetRoomIndex());
+
+		//unload this character
+		return true;
+	});
+}
+
+//-------------------------
+//utility functions
+//-------------------------
+
+void pumpPacket(SerialPacket* const argPacket) {
+	//send a message to all clients
+	for (auto& it : *ClientManager::GetSingleton().GetContainer()) {
+		UDPNetworkUtility::GetSingleton().SendTo(it.second.GetAddress(), argPacket);
+	}
+}
+
+void pumpPacketProximity(SerialPacket* const argPacket, int roomIndex, Vector2 position, int distance) {
+	//send this packet to all characters within a certain distance of a point in a room
+	RoomData* roomData = RoomManager::GetSingleton().Get(roomIndex);
+
+	if (!roomData) {
+		throw(std::runtime_error("Failed to pump to a non-existant room"));
+	}
+
+	AccountData* accountData = nullptr;
+	ClientData* clientData = nullptr;
+
+	for (auto& characterIt : *roomData->GetCharacterList()) {
+		if (distance == -1 || (characterIt->GetOrigin() - position).Length() <= distance) {
+			accountData = AccountManager::GetSingleton().Get(characterIt->GetOwner());
+			clientData = ClientManager::GetSingleton().Get(accountData->GetClientIndex());
+			UDPNetworkUtility::GetSingleton().SendTo(clientData->GetAddress(), argPacket);
+		}
+	}
+}
+
+void copyCharacterToPacket(CharacterPacket* const packet, int characterIndex) {
+	CharacterData* characterData = CharacterManager::GetSingleton().Get(characterIndex);
+	if (!characterData) {
+		throw(std::runtime_error("Failed to copy a character to a packet"));
+	}
+
+	copyCharacterToPacket(packet, characterData, characterIndex);
+}
+
+void copyCharacterToPacket(CharacterPacket* const packet, CharacterData* const characterData, int characterIndex) {
+	//NOTE: keep this up to date when the character changes
+	packet->characterIndex = characterIndex;
+	strncpy(packet->handle, characterData->GetHandle().c_str(), PACKET_STRING_SIZE);
+	strncpy(packet->avatar, characterData->GetAvatar().c_str(), PACKET_STRING_SIZE);
+	packet->accountIndex = characterData->GetOwner();
+	packet->roomIndex = characterData->GetRoomIndex();
+	packet->origin = characterData->GetOrigin();
+	packet->motion = characterData->GetMotion();
+	packet->bounds = characterData->GetBounds();
+}
+
+void pumpAndChangeRooms(int characterIndex, int newRoomIndex) {
+	//get the character object
+	CharacterData* character = CharacterManager::GetSingleton().Get(characterIndex);
+
+	//pass ownwards
+	pumpAndChangeRooms(character, newRoomIndex, characterIndex);
+}
+
+void pumpAndChangeRooms(CharacterData* const characterData, int newRoomIndex, int characterIndex) {
+	//delete from the old room
+	CharacterPacket newPacket;
+	copyCharacterToPacket(&newPacket, characterData, characterIndex);
+	newPacket.type = SerialPacketType::CHARACTER_DELETE;
+	pumpPacketProximity(&newPacket, characterData->GetRoomIndex());
+
+	//move the character between rooms
+	RoomManager::GetSingleton().PopCharacter(characterData);
+	characterData->SetRoomIndex(newRoomIndex);
+	RoomManager::GetSingleton().PushCharacter(characterData);
+
+	//create in the new room
+	copyCharacterToPacket(&newPacket, characterData, characterIndex);
+	newPacket.type = SerialPacketType::CHARACTER_CREATE;
+	pumpPacketProximity(&newPacket, characterData->GetRoomIndex());
+}