diff options
author | cedeel@gmail.com <cedeel@gmail.com@0a769ca7-a7f5-676a-18bf-c427514a06d6> | 2012-06-14 15:06:06 +0200 |
---|---|---|
committer | cedeel@gmail.com <cedeel@gmail.com@0a769ca7-a7f5-676a-18bf-c427514a06d6> | 2012-06-14 15:06:06 +0200 |
commit | 92c59963f82f81aa3202657e7fdbb2592924ede3 (patch) | |
tree | b7eb2474528a4998fa102e3ec9119b908cee08b4 /source/cClientHandle.cpp | |
parent | Added HOOK_WEATHER_CHANGE. (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | source/cClientHandle.cpp | 4168 |
1 files changed, 2084 insertions, 2084 deletions
diff --git a/source/cClientHandle.cpp b/source/cClientHandle.cpp index a005e8b25..58c344d4f 100644 --- a/source/cClientHandle.cpp +++ b/source/cClientHandle.cpp @@ -1,2084 +1,2084 @@ -
-#include "Globals.h" // NOTE: MSVC stupidness requires this to be the same across all modules
-
-#include "cClientHandle.h"
-#include "cServer.h"
-#include "cWorld.h"
-#include "cPickup.h"
-#include "cPluginManager.h"
-#include "cPlayer.h"
-#include "cInventory.h"
-#include "cChestEntity.h"
-#include "cSignEntity.h"
-#include "cWindow.h"
-#include "cCraftingWindow.h"
-#include "cItem.h"
-#include "cTorch.h"
-#include "cStairs.h"
-#include "cStep.h"
-#include "cDoors.h"
-#include "cLadder.h"
-#include "cSign.h"
-#include "cRedstone.h"
-#include "cPiston.h"
-#include "cBlockToPickup.h"
-#include "cMonster.h"
-#include "cChatColor.h"
-#include "cSocket.h"
-#include "cTimer.h"
-
-#include "cTracer.h"
-#include "Vector3f.h"
-#include "Vector3d.h"
-
-#include "cSleep.h"
-#include "cRoot.h"
-
-#include "cBlockingTCPLink.h"
-#include "cAuthenticator.h"
-#include "MersenneTwister.h"
-
-#include "packets/cPacket_KeepAlive.h"
-#include "packets/cPacket_Respawn.h"
-#include "packets/cPacket_UpdateHealth.h"
-#include "packets/cPacket_RelativeEntityMoveLook.h"
-#include "packets/cPacket_Chat.h"
-#include "packets/cPacket_Login.h"
-#include "packets/cPacket_WindowClick.h"
-#include "packets/cPacket_TimeUpdate.h"
-#include "packets/cPacket_BlockDig.h"
-#include "packets/cPacket_Handshake.h"
-#include "packets/cPacket_ArmAnim.h"
-#include "packets/cPacket_BlockPlace.h"
-#include "packets/cPacket_Flying.h"
-#include "packets/cPacket_Disconnect.h"
-#include "packets/cPacket_PickupSpawn.h"
-#include "packets/cPacket_ItemSwitch.h"
-#include "packets/cPacket_EntityEquipment.h"
-#include "packets/cPacket_CreativeInventoryAction.h"
-#include "packets/cPacket_NewInvalidState.h"
-#include "packets/cPacket_UseEntity.h"
-#include "packets/cPacket_WindowClose.h"
-#include "packets/cPacket_13.h"
-#include "packets/cPacket_UpdateSign.h"
-#include "packets/cPacket_Ping.h"
-#include "packets/cPacket_NamedEntitySpawn.h"
-#include "packets/cPacket_MapChunk.h"
-#include "packets/cPacket_PreChunk.h"
-
-// DEBUG:
-#include "packets/cPacket_BlockChange.h"
-#include "packets/cPacket_MultiBlock.h"
-
-
-
-
-
-#define AddPistonDir(x, y, z, dir, amount) switch (dir) { case 0: (y)-=(amount); break; case 1: (y)+=(amount); break;\
- case 2: (z)-=(amount); break; case 3: (z)+=(amount); break;\
- case 4: (x)-=(amount); break; case 5: (x)+=(amount); break; }
-
-
-
-
-
-/// If the number of queued outgoing packets reaches this, the client will be kicked
-#define MAX_OUTGOING_PACKETS 2000
-
-
-
-
-
-#define RECI_RAND_MAX (1.f/RAND_MAX)
-inline int fRadRand(MTRand & r1, int a_BlockCoord)
-{
- return a_BlockCoord * 32 + (int)(16 * ((float)r1.rand() * RECI_RAND_MAX) * 16 - 8);
-}
-
-
-
-
-
-int cClientHandle::s_ClientCount = 0;
-
-
-
-
-
-///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-// cClientHandle:
-
-cClientHandle::cClientHandle(const cSocket & a_Socket, int a_ViewDistance)
- : m_ViewDistance(a_ViewDistance)
- , m_ProtocolVersion(MCS_PROTOCOL_VERSION)
- , m_Socket(a_Socket)
- , m_bDestroyed(false)
- , m_Player(NULL)
- , m_bKicking(false)
- , m_TimeLastPacket(cWorld::GetTime())
- , m_bKeepThreadGoing(true)
- , m_Ping(1000)
- , m_State(csConnected)
- , m_LastStreamedChunkX(0x7fffffff) // bogus chunk coords to force streaming upon login
- , m_LastStreamedChunkZ(0x7fffffff)
- , m_UniqueID(0)
-{
- s_ClientCount++; // Not protected by CS because clients are always constructed from the same thread
- m_UniqueID = s_ClientCount;
-
- cTimer t1;
- m_LastPingTime = t1.GetNowTime();
-
- // All the packets that can be received from the client
- for (int i = 0; i < ARRAYCOUNT(m_PacketMap); ++i)
- {
- m_PacketMap[i] = NULL;
- }
- m_PacketMap[E_KEEP_ALIVE] = new cPacket_KeepAlive;
- m_PacketMap[E_HANDSHAKE] = new cPacket_Handshake;
- m_PacketMap[E_LOGIN] = new cPacket_Login;
- m_PacketMap[E_PLAYERPOS] = new cPacket_PlayerPosition;
- m_PacketMap[E_PLAYERLOOK] = new cPacket_PlayerLook;
- m_PacketMap[E_PLAYERMOVELOOK] = new cPacket_PlayerMoveLook;
- m_PacketMap[E_PLAYER_ABILITIES] = new cPacket_PlayerAbilities;
- m_PacketMap[E_CHAT] = new cPacket_Chat;
- m_PacketMap[E_ANIMATION] = new cPacket_ArmAnim;
- m_PacketMap[E_FLYING] = new cPacket_Flying;
- m_PacketMap[E_BLOCK_DIG] = new cPacket_BlockDig;
- m_PacketMap[E_BLOCK_PLACE] = new cPacket_BlockPlace;
- m_PacketMap[E_DISCONNECT] = new cPacket_Disconnect;
- m_PacketMap[E_ITEM_SWITCH] = new cPacket_ItemSwitch;
- m_PacketMap[E_ENTITY_EQUIPMENT] = new cPacket_EntityEquipment;
- m_PacketMap[E_CREATIVE_INVENTORY_ACTION] = new cPacket_CreativeInventoryAction;
- m_PacketMap[E_NEW_INVALID_STATE] = new cPacket_NewInvalidState;
- m_PacketMap[E_PICKUP_SPAWN] = new cPacket_PickupSpawn;
- m_PacketMap[E_USE_ENTITY] = new cPacket_UseEntity;
- m_PacketMap[E_WINDOW_CLOSE] = new cPacket_WindowClose;
- m_PacketMap[E_WINDOW_CLICK] = new cPacket_WindowClick;
- m_PacketMap[E_PACKET_13] = new cPacket_13;
- m_PacketMap[E_UPDATE_SIGN] = new cPacket_UpdateSign;
- m_PacketMap[E_RESPAWN] = new cPacket_Respawn;
- m_PacketMap[E_PING] = new cPacket_Ping;
-
- LOG("New ClientHandle created at %p", this);
-}
-
-
-
-
-
-cClientHandle::~cClientHandle()
-{
- LOG("Deleting client \"%s\" at %p", GetUsername().c_str(), this);
-
- // Remove from cSocketThreads, we're not to be called anymore:
- cRoot::Get()->GetServer()->ClientDestroying(this);
-
- {
- cCSLock Lock(m_CSChunkLists);
- m_LoadedChunks.clear();
- m_ChunksToSend.clear();
- }
-
- if (m_Player != NULL)
- {
- cWorld * World = m_Player->GetWorld();
- if (!m_Username.empty() && (World != NULL))
- {
- // Send the Offline PlayerList packet:
- AString NameColor = (m_Player ? m_Player->GetColor() : "");
- cPacket_PlayerListItem PlayerList(NameColor + GetUsername(), false, (short)9999);
- World->Broadcast(PlayerList, this);
-
- // Send the Chat packet:
- cPacket_Chat Left(m_Username + " left the game!");
- World->Broadcast(Left, this);
- }
- if (World != NULL)
- {
- World->RemovePlayer(m_Player);
- }
- }
-
- if (m_Socket.IsValid())
- {
- cPacket_Disconnect Disconnect;
- Disconnect.m_Reason = "Server shut down? Kthnxbai";
- m_Socket.Send(&Disconnect);
- }
-
- if (m_Player != NULL)
- {
- m_Player->Destroy();
- m_Player = NULL;
- }
- for (int i = 0; i < ARRAYCOUNT(m_PacketMap); i++)
- {
- delete m_PacketMap[i];
- }
-
- // Queue all remaining outgoing packets to cSocketThreads:
- {
- cCSLock Lock(m_CSPackets);
- for (PacketList::iterator itr = m_PendingNrmSendPackets.begin(); itr != m_PendingNrmSendPackets.end(); ++itr)
- {
- AString Data;
- (*itr)->Serialize(Data);
- cRoot::Get()->GetServer()->WriteToClient(&m_Socket, Data);
- delete *itr;
- }
- m_PendingNrmSendPackets.clear();
- for (PacketList::iterator itr = m_PendingLowSendPackets.begin(); itr != m_PendingLowSendPackets.end(); ++itr)
- {
- AString Data;
- (*itr)->Serialize(Data);
- cRoot::Get()->GetServer()->WriteToClient(&m_Socket, Data);
- delete *itr;
- }
- m_PendingLowSendPackets.clear();
- }
-
- // Queue the socket to close as soon as it sends all outgoing data:
- cRoot::Get()->GetServer()->QueueClientClose(&m_Socket);
-
- // We need to remove the socket from SocketThreads because we own it and it gets destroyed after this destructor finishes
- // TODO: The socket needs to stay alive, someone else has to own it
- cRoot::Get()->GetServer()->RemoveClient(&m_Socket);
-
- LOG("ClientHandle at %p deleted", this);
-}
-
-
-
-
-
-void cClientHandle::Destroy()
-{
- // Setting m_bDestroyed was moved to the bottom of Destroy(),
- // otherwise the destructor may be called within another thread before the client is removed from chunks
- // http://forum.mc-server.org/showthread.php?tid=366
-
- if ((m_Player != NULL) && (m_Player->GetWorld() != NULL))
- {
- RemoveFromAllChunks();
- m_Player->GetWorld()->RemoveClientFromChunkSender(this);
- }
-
- m_bDestroyed = true;
-}
-
-
-
-
-
-void cClientHandle::Kick(const AString & a_Reason)
-{
- if (m_State >= csAuthenticating) // Don't log pings
- {
- LOG("Kicking user \"%s\" for \"%s\"", m_Username.c_str(), a_Reason.c_str());
- }
- Send(cPacket_Disconnect(a_Reason));
- m_bKicking = true;
-}
-
-
-
-
-
-void cClientHandle::Authenticate(void)
-{
- if (m_State != csAuthenticating)
- {
- return;
- }
-
- ASSERT( m_Player == NULL );
-
- // Spawn player (only serversided, so data is loaded)
- m_Player = new cPlayer(this, GetUsername());
-
- cWorld * World = cRoot::Get()->GetWorld(m_Player->GetLoadedWorldName());
- if (World == NULL)
- {
- World = cRoot::Get()->GetDefaultWorld();
- }
-
- m_Player->LoginSetGameMode (World->GetGameMode()); //set player's gamemode to server's gamemode at login. TODO: set to last player's gamemode at logout
-
- m_Player->SetIP (m_Socket.GetIPString());
-
- cRoot::Get()->GetPluginManager()->CallHook(cPluginManager::E_PLUGIN_PLAYER_SPAWN, 1, m_Player);
-
- // Return a server login packet
- cPacket_Login LoginResponse;
- LoginResponse.m_ProtocolVersion = m_Player->GetUniqueID();
- //LoginResponse.m_Username = "";
- LoginResponse.m_ServerMode = m_Player->GetGameMode(); // set gamemode from player.
- LoginResponse.m_Dimension = 0;
- LoginResponse.m_MaxPlayers = (unsigned char)cRoot::Get()->GetDefaultWorld()->GetMaxPlayers();
- LoginResponse.m_Difficulty = 2;
- Send(LoginResponse);
-
- // Send Weather if raining:
- if ((World->GetWeather() == 1) || (World->GetWeather() == 2))
- {
- cPacket_NewInvalidState RainPacket;
- RainPacket.m_Reason = 1; //begin rain
- Send(RainPacket);
- }
-
- // Send time
- Send(cPacket_TimeUpdate(World->GetWorldTime()));
-
- // Send inventory
- m_Player->GetInventory().SendWholeInventory(this);
-
- // Send health
- cPacket_UpdateHealth Health;
- Health.m_Health = (short)m_Player->GetHealth();
- Health.m_Food = m_Player->GetFood();
- Health.m_Saturation = m_Player->GetFoodSaturation();
- Send(Health);
-
- m_Player->Initialize(World);
- StreamChunks();
- m_State = csDownloadingWorld;
-}
-
-
-
-
-
-void cClientHandle::StreamChunks(void)
-{
- if (m_State < csAuthenticating)
- {
- return;
- }
-
- ASSERT(m_Player != NULL);
-
- int ChunkPosX = FAST_FLOOR_DIV(m_Player->GetPosX(), cChunkDef::Width);
- int ChunkPosZ = FAST_FLOOR_DIV(m_Player->GetPosZ(), cChunkDef::Width);
- if ((ChunkPosX == m_LastStreamedChunkX) && (ChunkPosZ == m_LastStreamedChunkZ))
- {
- // Already streamed for this position
- return;
- }
- m_LastStreamedChunkX = ChunkPosX;
- m_LastStreamedChunkZ = ChunkPosZ;
-
- LOGD("Streaming chunks centered on [%d, %d], view distance %d", ChunkPosX, ChunkPosZ, m_ViewDistance);
-
- cWorld * World = m_Player->GetWorld();
- ASSERT(World != NULL);
-
- // Remove all loaded chunks that are no longer in range; deferred to out-of-CS:
- cChunkCoordsList RemoveChunks;
- {
- cCSLock Lock(m_CSChunkLists);
- for (cChunkCoordsList::iterator itr = m_LoadedChunks.begin(); itr != m_LoadedChunks.end();)
- {
- int RelX = (*itr).m_ChunkX - ChunkPosX;
- int RelZ = (*itr).m_ChunkZ - ChunkPosZ;
- if ((RelX > m_ViewDistance) || (RelX < -m_ViewDistance) || (RelZ > m_ViewDistance) || (RelZ < -m_ViewDistance))
- {
- RemoveChunks.push_back(*itr);
- itr = m_LoadedChunks.erase(itr);
- }
- else
- {
- ++itr;
- }
- } // for itr - m_LoadedChunks[]
- for (cChunkCoordsList::iterator itr = m_ChunksToSend.begin(); itr != m_ChunksToSend.end();)
- {
- int RelX = (*itr).m_ChunkX - ChunkPosX;
- int RelZ = (*itr).m_ChunkZ - ChunkPosZ;
- if ((RelX > m_ViewDistance) || (RelX < -m_ViewDistance) || (RelZ > m_ViewDistance) || (RelZ < -m_ViewDistance))
- {
- itr = m_ChunksToSend.erase(itr);
- }
- else
- {
- ++itr;
- }
- } // for itr - m_ChunksToSend[]
- }
- for (cChunkCoordsList::iterator itr = RemoveChunks.begin(); itr != RemoveChunks.end(); ++itr)
- {
- World->RemoveChunkClient(itr->m_ChunkX, itr->m_ChunkY, itr->m_ChunkZ, this);
- Send(cPacket_PreChunk(itr->m_ChunkX, itr->m_ChunkZ, false));
- } // for itr - RemoveChunks[]
-
- // Add all chunks that are in range and not yet in m_LoadedChunks:
- // Queue these smartly - from the center out to the edge
- for (int d = 0; d <= m_ViewDistance; ++d) // cycle through (square) distance, from nearest to furthest
- {
- // For each distance add chunks in a hollow square centered around current position:
- for (int i = -d; i <= d; ++i)
- {
- StreamChunk(ChunkPosX + d, ZERO_CHUNK_Y, ChunkPosZ + i);
- StreamChunk(ChunkPosX - d, ZERO_CHUNK_Y, ChunkPosZ + i);
- } // for i
- for (int i = -d + 1; i < d; ++i)
- {
- StreamChunk(ChunkPosX + i, ZERO_CHUNK_Y, ChunkPosZ + d);
- StreamChunk(ChunkPosX + i, ZERO_CHUNK_Y, ChunkPosZ - d);
- } // for i
- } // for d
-
- // Touch chunks GENERATEDISTANCE ahead to let them generate:
- for (int d = m_ViewDistance + 1; d <= m_ViewDistance + GENERATEDISTANCE; ++d) // cycle through (square) distance, from nearest to furthest
- {
- // For each distance touch chunks in a hollow square centered around current position:
- for (int i = -d; i <= d; ++i)
- {
- World->TouchChunk(ChunkPosX + d, ZERO_CHUNK_Y, ChunkPosZ + i);
- World->TouchChunk(ChunkPosX - d, ZERO_CHUNK_Y, ChunkPosZ + i);
- } // for i
- for (int i = -d + 1; i < d; ++i)
- {
- World->TouchChunk(ChunkPosX + i, ZERO_CHUNK_Y, ChunkPosZ + d);
- World->TouchChunk(ChunkPosX + i, ZERO_CHUNK_Y, ChunkPosZ - d);
- } // for i
- } // for d
-}
-
-
-
-
-void cClientHandle::StreamChunk(int a_ChunkX, int a_ChunkY, int a_ChunkZ)
-{
- cWorld * World = m_Player->GetWorld();
- ASSERT(World != NULL);
-
- if (World->AddChunkClient(a_ChunkX, a_ChunkY, a_ChunkZ, this))
- {
- {
- cCSLock Lock(m_CSChunkLists);
- m_LoadedChunks.push_back(cChunkCoords(a_ChunkX, a_ChunkY, a_ChunkZ));
- m_ChunksToSend.push_back(cChunkCoords(a_ChunkX, a_ChunkY, a_ChunkZ));
- }
- World->SendChunkTo(a_ChunkX, a_ChunkY, a_ChunkZ, this);
- }
-}
-
-
-
-
-
-// Removes the client from all chunks. Used when switching worlds or destroying the player
-void cClientHandle::RemoveFromAllChunks()
-{
- cWorld * World = m_Player->GetWorld();
- if (World != NULL)
- {
- World->RemoveClientFromChunks(this);
- }
-
- {
- cCSLock Lock(m_CSChunkLists);
- m_LoadedChunks.clear();
- m_ChunksToSend.clear();
- }
-}
-
-
-
-
-
-void cClientHandle::HandlePacket(cPacket * a_Packet)
-{
- m_TimeLastPacket = cWorld::GetTime();
-
- // LOG("Recv packet 0x%02x from client \"%s\" (\"%s\")", a_Packet->m_PacketID, m_Socket.GetIPString().c_str(), m_Username.c_str());
-
- if (m_bKicking)
- {
- return;
- }
-
- switch (m_State)
- {
- case csConnected:
- {
- switch (a_Packet->m_PacketID)
- {
- case E_NEW_INVALID_STATE: // New/Invalid State packet received. I'm guessing the client only sends it when there's a problem with the bed?
- {
- LOGINFO("Got New Invalid State packet");
- break;
- }
- case E_PING: HandlePing (); break;
- case E_HANDSHAKE: HandleHandshake(reinterpret_cast<cPacket_Handshake *>(a_Packet)); break;
- case E_LOGIN: HandleLogin (reinterpret_cast<cPacket_Login *> (a_Packet)); break;
-
- // Ignored packets:
- case E_PLAYERLOOK:
- case E_CHAT:
- case E_PLAYERMOVELOOK:
- case E_PLAYERPOS:
- case E_KEEP_ALIVE: break;
- default: HandleUnexpectedPacket(a_Packet); break;
- } // switch (PacketType)
- break;
- } // case csConnected
-
- case csAuthenticating:
- {
- // Waiting for external authentication, no packets are handled
- switch (a_Packet->m_PacketID)
- {
- // Ignored packets:
- case E_KEEP_ALIVE:
- case E_CHAT:
- case E_FLYING:
- case E_PLAYERLOOK:
- case E_PLAYERMOVELOOK:
- case E_PLAYERPOS: break;
-
- default: HandleUnexpectedPacket(a_Packet); break;
- }
- break;
- }
-
- case csDownloadingWorld:
- {
- // Waiting for chunks to stream to client, no packets are handled
- switch (a_Packet->m_PacketID)
- {
- // Ignored packets:
- case E_KEEP_ALIVE:
- case E_CHAT:
- case E_FLYING:
- case E_PLAYERLOOK:
- case E_PLAYERMOVELOOK:
- case E_PLAYERPOS: break;
-
- default: HandleUnexpectedPacket(a_Packet); break;
- }
- break;
- }
-
- case csConfirmingPos:
- {
- switch (a_Packet->m_PacketID)
- {
- // Ignored packets:
- case E_KEEP_ALIVE:
- case E_CHAT:
- case E_FLYING:
- case E_PLAYERLOOK:
- case E_PLAYERPOS: break;
-
- case E_PLAYERMOVELOOK: HandleMoveLookConfirm(reinterpret_cast<cPacket_PlayerMoveLook *>(a_Packet)); break;
-
- default:
- {
- HandleUnexpectedPacket(a_Packet);
- break;
- }
- } // switch (PacketType)
- break;
- } // case csConfirmingPos
-
- case csPlaying:
- {
- switch (a_Packet->m_PacketID)
- {
- case E_CREATIVE_INVENTORY_ACTION: HandleCreativeInventory(reinterpret_cast<cPacket_CreativeInventoryAction *>(a_Packet)); break;
- case E_PLAYERPOS: HandlePlayerPos (reinterpret_cast<cPacket_PlayerPosition *> (a_Packet)); break;
- case E_BLOCK_DIG: HandleBlockDig (reinterpret_cast<cPacket_BlockDig *> (a_Packet)); break;
- case E_BLOCK_PLACE: HandleBlockPlace (reinterpret_cast<cPacket_BlockPlace *> (a_Packet)); break;
- case E_PICKUP_SPAWN: HandlePickupSpawn (reinterpret_cast<cPacket_PickupSpawn *> (a_Packet)); break;
- case E_CHAT: HandleChat (reinterpret_cast<cPacket_Chat *> (a_Packet)); break;
- case E_PLAYERLOOK: HandlePlayerLook (reinterpret_cast<cPacket_PlayerLook *> (a_Packet)); break;
- case E_PLAYERMOVELOOK: HandlePlayerMoveLook (reinterpret_cast<cPacket_PlayerMoveLook *> (a_Packet)); break;
- case E_ANIMATION: HandleAnimation (reinterpret_cast<cPacket_ArmAnim *> (a_Packet)); break;
- case E_ITEM_SWITCH: HandleItemSwitch (reinterpret_cast<cPacket_ItemSwitch *> (a_Packet)); break;
- case E_WINDOW_CLOSE: HandleWindowClose (reinterpret_cast<cPacket_WindowClose *> (a_Packet)); break;
- case E_WINDOW_CLICK: HandleWindowClick (reinterpret_cast<cPacket_WindowClick *> (a_Packet)); break;
- case E_UPDATE_SIGN: HandleUpdateSign (reinterpret_cast<cPacket_UpdateSign *> (a_Packet)); break;
- case E_USE_ENTITY: HandleUseEntity (reinterpret_cast<cPacket_UseEntity *> (a_Packet)); break;
- case E_RESPAWN: HandleRespawn(); break;
- case E_DISCONNECT: HandleDisconnect (reinterpret_cast<cPacket_Disconnect *> (a_Packet)); break;
- case E_KEEP_ALIVE: HandleKeepAlive (reinterpret_cast<cPacket_KeepAlive *> (a_Packet)); break;
- } // switch (Packet type)
- break;
- } // case csPlaying
- } // switch (m_State)
-}
-
-
-
-
-
-void cClientHandle::HandlePing(void)
-{
- // Somebody tries to retrieve information about the server
- AString Reply;
- Printf(Reply, "%s%s%i%s%i",
- cRoot::Get()->GetDefaultWorld()->GetDescription().c_str(),
- cChatColor::Delimiter.c_str(),
- cRoot::Get()->GetDefaultWorld()->GetNumPlayers(),
- cChatColor::Delimiter.c_str(),
- cRoot::Get()->GetDefaultWorld()->GetMaxPlayers()
- );
- Kick(Reply.c_str());
-}
-
-
-
-
-
-void cClientHandle::HandleHandshake(cPacket_Handshake * a_Packet)
-{
- AStringVector UserData = StringSplit( a_Packet->m_Username, ";" ); // "FakeTruth;localhost:25565"
- if( UserData.size() == 0 )
- {
- Kick("Could not receive username");
- return;
- }
- m_Username = UserData[0];
-
- LOG("HANDSHAKE %s", m_Username.c_str());
-
- if (cRoot::Get()->GetDefaultWorld()->GetNumPlayers() >= cRoot::Get()->GetDefaultWorld()->GetMaxPlayers())
- {
- Kick("The server is currently full :(-- Try again later");
- return;
- }
- cPacket_Chat Connecting(m_Username + " is connecting.");
- cRoot::Get()->GetServer()->Broadcast(Connecting, this);
-
- cPacket_Handshake Handshake;
- Handshake.m_Username = cRoot::Get()->GetServer()->GetServerID();
- Send(Handshake);
- LOG("User \"%s\" was sent a handshake", m_Username.c_str());
-}
-
-
-
-
-
-void cClientHandle::HandleLogin(cPacket_Login * a_Packet)
-{
- LOG("LOGIN %s", m_Username.c_str());
- if (a_Packet->m_ProtocolVersion < m_ProtocolVersion)
- {
- Kick("Your client is outdated!");
- return;
- }
- else if (a_Packet->m_ProtocolVersion > m_ProtocolVersion)
- {
- Kick("Your client version is higher than the server!");
- return;
- }
- if (m_Username.compare(a_Packet->m_Username) != 0)
- {
- LOGWARNING("Login Username (\"%s\") does not match Handshake username (\"%s\") for client \"%s\")",
- a_Packet->m_Username.c_str(),
- m_Username.c_str(),
- m_Socket.GetIPString().c_str()
- );
- Kick("Hacked client"); // Don't tell them why we don't want them
- return;
- }
-
- if (cRoot::Get()->GetPluginManager()->CallHook(cPluginManager::E_PLUGIN_LOGIN, 1, a_Packet))
- {
- Destroy();
- return;
- }
-
- // Schedule for authentication; until then, let them wait (but do not block)
- m_State = csAuthenticating;
- cRoot::Get()->GetAuthenticator().Authenticate(GetUniqueID(), GetUsername(), cRoot::Get()->GetServer()->GetServerID());
-}
-
-
-
-
-
-void cClientHandle::HandleUnexpectedPacket(cPacket * a_Packet)
-{
- LOGWARNING(
- "Invalid packet in state %d: 0x%02x from client \"%s\", username \"%s\"",
- m_State,
- a_Packet->m_PacketID,
- m_Socket.GetIPString().c_str(),
- m_Username.c_str()
- );
- Kick("Hacked client"); // Don't tell them why we don't like them
-}
-
-
-
-
-
-void cClientHandle::HandleMoveLookConfirm(cPacket_PlayerMoveLook * a_Packet)
-{
- Vector3d ReceivedPosition = Vector3d(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ);
-
- // Test the distance between points with a small/large enough value instead of comparing directly. Floating point inaccuracies might screw stuff up
- double Dist = (ReceivedPosition - m_ConfirmPosition).SqrLength();
- if (Dist < 1.0)
- {
- // Test
- if (ReceivedPosition.Equals(m_ConfirmPosition))
- {
- LOGINFO("Exact position confirmed by client!");
- }
- m_State = csPlaying;
- }
- else
- {
- LOGWARNING("Player \"%s\" sent a weird position confirmation %.2f blocks away, retrying", m_Username.c_str(), Dist);
- m_ConfirmPosition = m_Player->GetPosition();
- Send(cPacket_PlayerMoveLook(m_Player));
- }
-}
-
-
-
-
-
-void cClientHandle::HandleCreativeInventory(cPacket_CreativeInventoryAction * a_Packet)
-{
- // This is for creative Inventory changes
- if (m_Player->GetGameMode() == 1)
- {
- m_Player->GetInventory().Clicked(a_Packet);
- }
- else
- {
- LOGWARNING("Got a CreativeInventoryAction packet from user \"%s\" while not in creative mode. Ignoring.", m_Username.c_str());
- }
-}
-
-
-
-
-
-void cClientHandle::HandlePlayerPos(cPacket_PlayerPosition * a_Packet)
-{
- // LOG("recv player pos: %0.2f %0.2f %0.2f", PacketData->m_PosX, PacketData->m_PosY, PacketData->m_PosZ);
- m_Player->MoveTo(Vector3d(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ));
- m_Player->SetStance(a_Packet->m_Stance);
- m_Player->SetTouchGround(a_Packet->m_bFlying);
-}
-
-
-
-
-
-void cClientHandle::HandleBlockDig(cPacket_BlockDig * a_Packet)
-{
- if (!CheckBlockInteractionsRate())
- {
- return;
- }
-
- LOGD("OnBlockDig: {%i, %i, %i} Dir: %i Stat: %i",
- a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ,
- a_Packet->m_Direction, a_Packet->m_Status
- );
-
- // Do we want plugins to disable tossing items? Probably no, so toss item before asking plugins for permission
- if (a_Packet->m_Status == 0x04) // Drop held item
- {
- m_Player->TossItem(false);
- return;
- }
-
- cWorld* World = m_Player->GetWorld();
- BLOCKTYPE OldBlock = World->GetBlock(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ);
- NIBBLETYPE OldMeta = World->GetBlockMeta(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ);
-
- if (cRoot::Get()->GetPluginManager()->CallHook(cPluginManager::E_PLUGIN_BLOCK_DIG, 4, a_Packet, m_Player, OldBlock, OldMeta))
- {
- // The plugin doesn't agree with the digging, replace the block on the client and quit:
- World->SendBlockTo(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ, m_Player);
- return;
- }
-
- bool bBroken = (
- (a_Packet->m_Status == 0x02) ||
- (g_BlockOneHitDig[(int)OldBlock]) ||
- ((a_Packet->m_Status == 0x00) && (m_Player->GetGameMode() == 1))
- );
-
- if ((OldBlock == E_BLOCK_WOODEN_DOOR) && !bBroken)
- {
- cDoors::ChangeDoor(m_Player->GetWorld(), a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ);
- }
-
- cItems PickupItems;
- if (bBroken && !(m_Player->GetGameMode() == 1)) // broken
- {
- cBlockToPickup::ToPickup(OldBlock, OldMeta, m_Player->GetInventory().GetEquippedItem(), PickupItems);
-
- // Allow plugins to change the dropped objects:
- cRoot::Get()->GetPluginManager()->CallHookBlockToPickup(OldBlock, OldMeta, m_Player, m_Player->GetInventory().GetEquippedItem(), PickupItems);
- }
-
- int pX = a_Packet->m_PosX;
- unsigned char pY = a_Packet->m_PosY;
- int pZ = a_Packet->m_PosZ;
-
- AddDirection(pX, pY, pZ, a_Packet->m_Direction);
-
- char PossibleBlock = World->GetBlock(pX, pY, pZ);
-
- if (PossibleBlock == E_BLOCK_FIRE)
- {
- a_Packet->m_PosX = pX;
- a_Packet->m_PosY = pY;
- a_Packet->m_PosZ = pZ;
- bBroken = true;
- }
-
- if (!bBroken)
- {
- return;
- }
-
- if (!World->DigBlock(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ))
- {
- return;
- }
-
- World->SpawnItemPickups(PickupItems, a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ);
-
- switch (OldBlock)
- {
- case E_BLOCK_REDSTONE_TORCH_ON:
- case E_BLOCK_REDSTONE_TORCH_OFF:
- case E_BLOCK_REDSTONE_WIRE:
- {
- cRedstone Redstone(World);
- Redstone.ChangeRedstone(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ, false);
- break;
- }
- }
-
- if ((OldBlock == E_BLOCK_PISTON) || (OldBlock == E_BLOCK_STICKY_PISTON))
- {
- int newX = a_Packet->m_PosX;
- int newY = a_Packet->m_PosY;
- int newZ = a_Packet->m_PosZ;
- AddPistonDir(newX, newY, newZ, OldMeta & ~(8), 1);
- if (World->GetBlock(newX, newY, newZ) == E_BLOCK_PISTON_EXTENSION)
- {
- World->SetBlock(newX, newY, newZ, E_BLOCK_AIR, 0);
- }
- }
-
- if (cDoors::IsDoor(OldBlock))
- {
- // Special actions for destroyed door (Destroy second part)
- if (OldMeta & 8)
- {
- // Was upper part of door
- if (cDoors::IsDoor(World->GetBlock(a_Packet->m_PosX, a_Packet->m_PosY - 1, a_Packet->m_PosZ)))
- {
- World->SetBlock(a_Packet->m_PosX, a_Packet->m_PosY - 1, a_Packet->m_PosZ, E_BLOCK_AIR, 0);
- }
- }
- else
- {
- // Was lower part
- if (cDoors::IsDoor(World->GetBlock(a_Packet->m_PosX, a_Packet->m_PosY + 1, a_Packet->m_PosZ)))
- {
- World->SetBlock(a_Packet->m_PosX, a_Packet->m_PosY + 1, a_Packet->m_PosZ, E_BLOCK_AIR, 0);
- }
- }
- }
-
- m_Player->UseEquippedItem();
-}
-
-
-
-
-
-void cClientHandle::HandleBlockPlace(cPacket_BlockPlace * a_Packet)
-{
- if (!CheckBlockInteractionsRate())
- {
- return;
- }
-
- cItem & Equipped = m_Player->GetInventory().GetEquippedItem();
-
- if ((Equipped.m_ItemID != a_Packet->m_ItemType)) // Not valid
- {
- LOGWARN("Player %s tried to place a block that was not equipped (exp %d, got %d)",
- m_Username.c_str(), Equipped.m_ItemID, a_Packet->m_ItemType
- );
- // TODO: We should probably send the current world block to the client, so that it can immediately "let the user know" that they haven't placed the block
- return;
- }
-
- if (cRoot::Get()->GetPluginManager()->CallHook(cPluginManager::E_PLUGIN_BLOCK_PLACE, 2, a_Packet, m_Player))
- {
- if (a_Packet->m_Direction > -1)
- {
- AddDirection(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ, a_Packet->m_Direction);
- m_Player->GetWorld()->SendBlockTo(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ, m_Player);
- }
- return;
- }
-
- //LOG("%i %i %i %i %i %i", a_Packet->m_Count, a_Packet->m_Direction, a_Packet->m_ItemType, a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ);
-
- //printf("Place Dir:%i %i %i %i : %i\n", a_Packet->m_Direction, a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ, a_Packet->m_ItemType);
- // 'use' useable items instead of placing blocks
- bool bPlaceBlock = true;
- bool UpdateRedstone = false;
- bool AddedCurrent = false;
-
- if (a_Packet->m_Direction >= 0)
- {
- cWorld * World = m_Player->GetWorld();
- BLOCKTYPE BlockType = 0;
- NIBBLETYPE BlockMeta;
- World->GetBlockTypeMeta(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ, BlockType, BlockMeta);
- switch (BlockType)
- {
- case E_BLOCK_REDSTONE_REPEATER_ON:
- case E_BLOCK_REDSTONE_REPEATER_OFF:
- {
- // no need to update redstone current with a repeater
- // Find meta value of repeater and change it to one step more:
- World->FastSetBlock(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ, BlockType, ((BlockMeta + 0x04) & 0x0f));
- bPlaceBlock = false;
- break;
- }
-
- case E_BLOCK_WORKBENCH:
- {
- bPlaceBlock = false;
- cWindow* Window = new cCraftingWindow(0, true);
- m_Player->OpenWindow(Window);
- break;
- }
-
- case E_BLOCK_FURNACE:
- case E_BLOCK_CHEST:
- {
- bPlaceBlock = false;
- m_Player->GetWorld()->UseBlockEntity(m_Player, a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ);
- break;
- }
-
- case E_BLOCK_WOODEN_DOOR:
- {
- bPlaceBlock = false;
- cDoors::ChangeDoor(m_Player->GetWorld(), a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ);
- break;
- }
-
- default:
- {
- break;
- }
- } // switch (BlockID)
- } // if (Direction >= 0)
-
- // Some checks to see if it's a placeable item :P
- if (bPlaceBlock)
- {
- cItem Item;
- Item.m_ItemID = Equipped.m_ItemID;
- Item.m_ItemCount = 1;
- LOGD("Placing item of type %i at {%d, %d, %d}",
- (int)a_Packet->m_ItemType,
- a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ
- );
-
- if (m_Player->EatItem(Item.m_ItemID))
- {
- m_Player->GetInventory().RemoveItem(Item);
- return;
- }
-
- if (a_Packet->m_Direction < 0)
- {
- // clicked in air
- return;
- }
- bool isDoor = false;
-
- //TODO: Wrong Blocks!
- BLOCKTYPE ClickedBlock = m_Player->GetWorld()->GetBlock(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ);
-
- if (ItemCategory::IsHoe(Item.m_ItemID))
- {
- if ((ClickedBlock == E_BLOCK_DIRT) || (ClickedBlock == E_BLOCK_GRASS))
- {
- m_Player->GetWorld()->FastSetBlock(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ, E_BLOCK_FARMLAND, 0);
- }
- return;
- }
-
- NIBBLETYPE MetaData = (NIBBLETYPE)Equipped.m_ItemHealth; // This generally works for logs & planks, others will override
- bool LavaBucket = false;
- bool WaterBucket = false;
- bool bRemoveItem = true;
- bool bIgnoreCollision = false;
-
- if (ClickedBlock == E_BLOCK_STEP)
- {
- // Only make double slab if meta values are the same and if player clicked either on top or on bottom of the block (direction either 0 or 1)
- // TODO check if it works from beneath
- if (MetaData == ( m_Player->GetWorld()->GetBlockMeta(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ) & 0x7) && a_Packet->m_Direction <= 1)
- //if (MetaData == m_Player->GetWorld()->GetBlockMeta(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ) && a_Packet->m_Direction == 1)
- {
- a_Packet->m_ItemType = E_BLOCK_DOUBLE_STEP;
- if(a_Packet->m_Direction == 1)
- {
- a_Packet->m_PosY--;
- }
- else
- {
- a_Packet->m_PosY++;
- }
- bIgnoreCollision = true;
- }
- }
-
- // Special handling for special items:
- switch (a_Packet->m_ItemType)
- {
- case E_ITEM_BUCKET:
- {
- // TODO: Change this, it is just a small hack to get it working a little bit. seems like the Client sends the position from the first hitable block :s
- ClickedBlock = (int)m_Player->GetWorld()->GetBlock(a_Packet->m_PosX, a_Packet->m_PosY + 1, a_Packet->m_PosZ);
- LOG("Bucket Clicked BlockID: %d", ClickedBlock);
- switch (ClickedBlock)
- {
- case E_BLOCK_WATER:
- case E_BLOCK_STATIONARY_WATER:
- {
- WaterBucket = true;
- break;
- }
- case E_BLOCK_LAVA:
- case E_BLOCK_STATIONARY_LAVA:
- {
- LavaBucket = true;
- break;
- }
- }
- break;
- } // case E_ITEM_BUCKET
-
- case E_ITEM_LAVA_BUCKET:
- {
- if ((m_Player->GetGameMode() == 1) || (m_Player->GetInventory().RemoveItem(Item)))
- {
- a_Packet->m_ItemType = E_BLOCK_LAVA;
- if (m_Player->GetGameMode() == 1)
- {
- break; //No new Bucket for creative players
- }
-
- cItem NewItem;
- NewItem.m_ItemID = E_ITEM_BUCKET;
- NewItem.m_ItemCount = 1;
- m_Player->GetInventory().AddItem(NewItem);
- }
- break;
- } // case E_ITEM_LAVA_BUCKET
-
- case E_ITEM_WATER_BUCKET:
- {
- if ((m_Player->GetGameMode() == 1) || (m_Player->GetInventory().RemoveItem(Item)))
- {
- a_Packet->m_ItemType = E_BLOCK_WATER;
- if (m_Player->GetGameMode() == 1)
- {
- break; //No new Bucket for creative players
- }
- cItem NewItem;
- NewItem.m_ItemID = E_ITEM_BUCKET;
- NewItem.m_ItemCount = 1;
- m_Player->GetInventory().AddItem(NewItem);
- }
- break;
- }
-
- case E_BLOCK_TORCH:
- {
- MetaData = cTorch::DirectionToMetaData(a_Packet->m_Direction);
- break;
- }
-
- case E_BLOCK_REDSTONE_TORCH_OFF:
- {
- MetaData = cTorch::DirectionToMetaData(a_Packet->m_Direction);
- if (g_BlockTransparent[ (int)m_Player->GetWorld()->GetBlock(a_Packet->m_PosX, a_Packet->m_PosY+2, a_Packet->m_PosZ) ] == true)
- {
- //if block above is transparent
- //printf("transparent above me\n");
- }
- else
- {
- //printf("transparent not above me\n");
- }
- UpdateRedstone = true;
- AddedCurrent = false;
- break;
- }
-
- case E_BLOCK_REDSTONE_TORCH_ON:
- {
- MetaData = cTorch::DirectionToMetaData(a_Packet->m_Direction);
- UpdateRedstone = true;
- AddedCurrent = true;
- break;
- }
-
- case E_ITEM_REDSTONE_DUST:
- {
- MetaData = 0;
- a_Packet->m_ItemType = E_BLOCK_REDSTONE_WIRE;
- UpdateRedstone = true;
- AddedCurrent = false;
- break;
- }
-
- case E_ITEM_REDSTONE_REPEATER:
- {
- MetaData = cRedstone::RepeaterRotationToMetaData(m_Player->GetRotation());
- a_Packet->m_ItemType = E_BLOCK_REDSTONE_REPEATER_OFF;
- UpdateRedstone = true;
- AddedCurrent = false;
- break;
- }
-
- case E_BLOCK_PISTON:
- case E_BLOCK_STICKY_PISTON:
- {
- MetaData = cPiston::RotationPitchToMetaData(m_Player->GetRotation(), m_Player->GetPitch());
- UpdateRedstone = true;
- AddedCurrent = false;
- break;
- }
-
- case E_ITEM_IRON_DOOR:
- {
- a_Packet->m_ItemType = E_BLOCK_IRON_DOOR;
- MetaData = cDoors::RotationToMetaData(m_Player->GetRotation());
- isDoor = true;
- break;
- }
-
- case E_ITEM_WOODEN_DOOR:
- {
- a_Packet->m_ItemType = E_BLOCK_WOODEN_DOOR;
- MetaData = cDoors::RotationToMetaData(m_Player->GetRotation());
- isDoor = true;
- break;
- }
-
- case E_BLOCK_CHEST:
- case E_BLOCK_FURNACE:
- case E_BLOCK_DISPENSER:
- {
- MetaData = cPiston::RotationPitchToMetaData(m_Player->GetRotation(), 0); // Same orientation as pistons, just ignore pitch
- break;
- }
-
- case E_BLOCK_STEP:
- {
- MetaData += cStep::DirectionToMetaData( a_Packet->m_Direction );
- break;
- }
-
- case E_BLOCK_COBBLESTONE_STAIRS:
- case E_BLOCK_BRICK_STAIRS:
- case E_BLOCK_STONE_BRICK_STAIRS:
- case E_BLOCK_NETHER_BRICK_STAIRS:
- case E_BLOCK_WOODEN_STAIRS:
- {
- MetaData = cStairs::RotationToMetaData(m_Player->GetRotation(), a_Packet->m_Direction);
- break;
- }
- case E_BLOCK_LADDER:
- {
- MetaData = cLadder::DirectionToMetaData(a_Packet->m_Direction);
- break;
- }
- case E_ITEM_SIGN:
- {
- LOGD("Sign Dir: %i", a_Packet->m_Direction);
- if (a_Packet->m_Direction == 1)
- {
- LOGD("Player Rotation: %f", m_Player->GetRotation());
- MetaData = cSign::RotationToMetaData(m_Player->GetRotation());
- LOGD("Sign rotation %i", MetaData);
- a_Packet->m_ItemType = E_BLOCK_SIGN_POST;
- }
- else
- {
- MetaData = cSign::DirectionToMetaData(a_Packet->m_Direction);
- a_Packet->m_ItemType = E_BLOCK_WALLSIGN;
- }
- break;
- }
-
- case E_ITEM_FLINT_AND_STEEL:
- {
- a_Packet->m_ItemType = E_ITEM_FIRE;
- m_Player->UseEquippedItem();
- bRemoveItem = false;
- break;
- }
- case E_ITEM_SEEDS:
- {
- if (ClickedBlock != E_BLOCK_FARMLAND)
- {
- return;
- }
- a_Packet->m_ItemType = E_BLOCK_CROPS;
- break;
- }
- case E_ITEM_MELON_SEEDS:
- {
- if (ClickedBlock != E_BLOCK_FARMLAND)
- {
- return;
- }
- a_Packet->m_ItemType = E_BLOCK_MELON_STEM;
- break;
- }
- case E_ITEM_PUMPKIN_SEEDS:
- {
- if (ClickedBlock != E_BLOCK_FARMLAND)
- {
- return;
- }
- a_Packet->m_ItemType = E_BLOCK_PUMPKIN_STEM;
- break;
- }
- case E_ITEM_DYE:
- {
- // Handle bonemeal and dyes on sheep
- if (HandleDyes(a_Packet))
- {
- if (m_Player->GetGameMode() == eGameMode_Survival)
- {
- m_Player->GetInventory().RemoveItem(Item);
- }
- return;
- }
- break;
- }
- case E_ITEM_SUGARCANE:
- {
- a_Packet->m_ItemType = E_BLOCK_SUGARCANE;
- break;
- }
- default:
- {
- break;
- }
- } // switch (a_Packet->m_ItemType)
-
-
- if (LavaBucket)
- {
- if ((m_Player->GetGameMode() == 1) || (m_Player->GetInventory().RemoveItem(Item))) {
- cItem NewItem;
- NewItem.m_ItemID = E_ITEM_LAVA_BUCKET;
- NewItem.m_ItemCount = 1;
- m_Player->GetInventory().AddItem(NewItem);
- m_Player->GetWorld()->SetBlock(a_Packet->m_PosX, a_Packet->m_PosY + 1, a_Packet->m_PosZ, E_BLOCK_AIR, 0);
- }
- }
- else if (WaterBucket)
- {
- if ((m_Player->GetGameMode() == 1) || (m_Player->GetInventory().RemoveItem(Item)))
- {
- cItem NewItem;
- NewItem.m_ItemID = E_ITEM_WATER_BUCKET;
- NewItem.m_ItemCount = 1;
- m_Player->GetInventory().AddItem(NewItem);
- m_Player->GetWorld()->SetBlock(a_Packet->m_PosX, a_Packet->m_PosY + 1, a_Packet->m_PosZ, E_BLOCK_AIR, 0);
- }
- }
- else if (IsValidBlock(a_Packet->m_ItemType))
- {
- int X = a_Packet->m_PosX;
- int Y = a_Packet->m_PosY;
- int Z = a_Packet->m_PosZ;
- AddDirection(X, Y, Z, a_Packet->m_Direction);
-
- int PlaceBlock = m_Player->GetWorld()->GetBlock(X, Y, Z);
- if (
- (PlaceBlock != E_BLOCK_AIR)
- && (PlaceBlock != E_BLOCK_WATER)
- && (PlaceBlock != E_BLOCK_STATIONARY_WATER)
- && (PlaceBlock != E_BLOCK_LAVA)
- && (PlaceBlock != E_BLOCK_STATIONARY_LAVA)
- && !bIgnoreCollision
- )
- {
- //tried to place a block *into* another?
- return; // happens when you place a block aiming at side of block like torch or stem
- }
-
- // Check whether selected item is allowed to be placed on specific surface
- if (!m_Player->GetWorld()->IsPlacingItemLegal(a_Packet->m_ItemType, X, Y, Z))
- {
- // If we don't send the block, MC is happy placing cacti underwater:
- m_Player->GetWorld()->SendBlockTo(X, Y, Z, m_Player);
- return;
- }
-
- if (bRemoveItem)
- {
- if ((m_Player->GetGameMode() != 1) && !m_Player->GetInventory().RemoveItem(Item))
- {
- return;
- }
- }
-
-
- if (isDoor)
- {
- if ((m_Player->GetWorld()->GetBlock(X, Y + 1, Z) == E_BLOCK_AIR) || (m_Player->GetWorld()->GetBlock(X, Y + 1, Z) == E_BLOCK_AIR))
- {
- m_Player->GetWorld()->SetBlock(X, Y + 1, Z, (char)a_Packet->m_ItemType, MetaData + 8);
- m_Player->GetWorld()->SetBlock(X, Y, Z, (char)a_Packet->m_ItemType, MetaData);
- }
- }
- else
- {
- m_Player->GetWorld()->SetBlock(X, Y, Z, (char)a_Packet->m_ItemType, MetaData);
- }
-
- if (UpdateRedstone)
- {
- cRedstone Redstone(m_Player->GetWorld());
- Redstone.ChangeRedstone(a_Packet->m_PosX, a_Packet->m_PosY + 1, a_Packet->m_PosZ, AddedCurrent);
- }
- }
- }
-
- /*
- // FakeTruth's "magic stick of removal" :D
- // TODO: Turn this into a plugin
- if (m_Username.compare("FakeTruth") == 0)
- {
- if (a_Packet->m_ItemType == 280)
- {
- cRoot::Get()->GetWorld()->SetBlock(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ, 0, 0);
- }
- }
- */
-}
-
-
-
-
-
-void cClientHandle::HandlePickupSpawn(cPacket_PickupSpawn * a_Packet)
-{
- LOG("Received packet E_PICKUP_SPAWN");
-
- cItem DroppedItem;
- DroppedItem.m_ItemID = (ENUM_ITEM_ID)a_Packet->m_Item;
- DroppedItem.m_ItemCount = a_Packet->m_Count;
- DroppedItem.m_ItemHealth = 0x0; // TODO: Somehow figure out what item was dropped, and apply correct health
- if (m_Player->GetInventory().RemoveItem(DroppedItem))
- {
- cPickup * Pickup = new cPickup(a_Packet);
- Pickup->Initialize(m_Player->GetWorld());
- }
-}
-
-
-
-
-
-void cClientHandle::HandleChat(cPacket_Chat * a_Packet)
-{
- if (!cRoot::Get()->GetServer()->Command(*this, a_Packet->m_Message.c_str()))
- {
- a_Packet->m_Message.insert(0, "<" + m_Player->GetColor() + m_Username + cChatColor::White + "> ");
- cRoot::Get()->GetServer()->Broadcast(*a_Packet);
- }
-}
-
-
-
-
-
-void cClientHandle::HandlePlayerLook(cPacket_PlayerLook * a_Packet)
-{
- m_Player->SetRotation (a_Packet->m_Rotation);
- m_Player->SetPitch (a_Packet->m_Pitch);
- m_Player->SetTouchGround(a_Packet->m_bFlying);
- m_Player->WrapRotation();
-}
-
-
-
-
-
-void cClientHandle::HandlePlayerMoveLook(cPacket_PlayerMoveLook * a_Packet)
-{
- m_Player->MoveTo(Vector3d(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ));
- m_Player->SetStance (a_Packet->m_Stance);
- m_Player->SetTouchGround(a_Packet->m_bFlying);
- m_Player->SetRotation (a_Packet->m_Rotation);
- m_Player->SetPitch (a_Packet->m_Pitch);
- m_Player->WrapRotation();
-}
-
-
-
-
-
-void cClientHandle::HandleAnimation(cPacket_ArmAnim * a_Packet)
-{
- a_Packet->m_EntityID = m_Player->GetUniqueID();
- cRoot::Get()->GetServer()->Broadcast(*a_Packet, this);
-}
-
-
-
-
-
-void cClientHandle::HandleItemSwitch(cPacket_ItemSwitch * a_Packet)
-{
- m_Player->GetInventory().SetEquippedSlot(a_Packet->m_SlotNum);
-
- cPacket_EntityEquipment Equipment;
- Equipment.m_ItemID = (short)m_Player->GetInventory().GetEquippedItem().m_ItemID;
- Equipment.m_Slot = 0;
- Equipment.m_UniqueID = m_Player->GetUniqueID();
- cRoot::Get()->GetServer()->Broadcast(Equipment, this);
-}
-
-
-
-
-
-void cClientHandle::HandleWindowClose(cPacket_WindowClose * a_Packet)
-{
- m_Player->CloseWindow(a_Packet->m_Close);
-}
-
-
-
-
-
-void cClientHandle::HandleWindowClick(cPacket_WindowClick * a_Packet)
-{
- if (a_Packet->m_WindowID == 0)
- {
- m_Player->GetInventory().Clicked(a_Packet);
- return;
- }
-
- cWindow * Window = m_Player->GetWindow();
- if (Window == NULL)
- {
- LOGWARNING("Player \"%s\" clicked in a non-existent window. Ignoring", m_Username.c_str());
- return;
- }
-
- Window->Clicked(a_Packet, *m_Player);
-}
-
-
-
-
-
-void cClientHandle::HandleUpdateSign(cPacket_UpdateSign * a_Packet)
-{
- cWorld * World = m_Player->GetWorld();
- World->UpdateSign(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ, a_Packet->m_Line1, a_Packet->m_Line2, a_Packet->m_Line3, a_Packet->m_Line4);
-}
-
-
-
-
-
-void cClientHandle::HandleUseEntity(cPacket_UseEntity * a_Packet)
-{
- if (!a_Packet->m_bLeftClick)
- {
- return;
- }
-
- class cDamageEntity : public cEntityCallback
- {
- virtual bool Item(cEntity * a_Entity) override
- {
- if( a_Entity->IsA("cPawn") )
- {
- reinterpret_cast< cPawn* >( a_Entity )->TakeDamage(Damage, Instigator );
- }
- return true;
- }
- public:
- int Damage;
- cEntity * Instigator;
- } Callback;
-
- Callback.Damage = 1; // TODO: Find proper damage from current item equipped
- Callback.Instigator = m_Player;
-
- cWorld * World = m_Player->GetWorld();
- World->DoWithEntity( a_Packet->m_TargetID, Callback );
-}
-
-
-
-
-
-void cClientHandle::HandleRespawn(void)
-{
- m_Player->Respawn();
-}
-
-
-
-
-
-void cClientHandle::HandleDisconnect(cPacket_Disconnect * a_Packet)
-{
- LOG("Received d/c packet from \"%s\"", m_Username.c_str());
- if (!cRoot::Get()->GetPluginManager()->CallHook(cPluginManager::E_PLUGIN_DISCONNECT, 2, a_Packet->m_Reason.c_str(), m_Player))
- {
- cPacket_Chat DisconnectMessage(m_Username + " disconnected: " + a_Packet->m_Reason);
- cRoot::Get()->GetServer()->Broadcast(DisconnectMessage);
- }
- Destroy();
-}
-
-
-
-
-
-void cClientHandle::HandleKeepAlive(cPacket_KeepAlive * a_Packet)
-{
- if (a_Packet->m_KeepAliveID == m_PingID)
- {
- cTimer t1;
- m_Ping = (short)((t1.GetNowTime() - m_PingStartTime) / 2);
- }
-}
-
-
-
-
-
-bool cClientHandle::HandleDyes(cPacket_BlockPlace * a_Packet)
-{
- cItem & Equipped = m_Player->GetInventory().GetEquippedItem();
-
- // TODO: Handle coloring the sheep, too
-
- // Handle growing the plants:
- if (Equipped.m_ItemHealth == E_META_DYE_WHITE)
- {
- cWorld * World = m_Player->GetWorld();
- return World->GrowPlant(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ, true);
- }
-
- return false;
-}
-
-
-
-
-
-bool cClientHandle::CheckBlockInteractionsRate(void)
-{
- ASSERT(m_Player != NULL);
- ASSERT(m_Player->GetWorld() != NULL);
- int LastActionCnt = m_Player->GetLastBlockActionCnt();
- if ((m_Player->GetWorld()->GetTime() - m_Player->GetLastBlockActionTime()) < 0.1)
- {
- // Limit the number of block interactions per tick
- m_Player->SetLastBlockActionTime(); //Player tried to interact with a block. Reset last block interation time.
- m_Player->SetLastBlockActionCnt(LastActionCnt + 1);
- if (m_Player->GetLastBlockActionCnt() > MAXBLOCKCHANGEINTERACTIONS)
- {
- // Kick if more than MAXBLOCKCHANGEINTERACTIONS per tick
- LOGWARN("Player %s tried to interact with a block too quickly! (could indicate bot) Was Kicked.", m_Username.c_str());
- Kick("You're a baaaaaad boy!");
- return false;
- }
- }
- else
- {
- m_Player->SetLastBlockActionCnt(0); // Reset count
- m_Player->SetLastBlockActionTime(); // Player tried to interact with a block. Reset last block interation time.
- }
- return true;
-}
-
-
-
-
-
-void cClientHandle::Tick(float a_Dt)
-{
- (void)a_Dt;
- if (cWorld::GetTime() - m_TimeLastPacket > 30.f) // 30 seconds time-out
- {
- cPacket_Disconnect DC("Nooooo!! You timed out! D: Come back!");
- m_Socket.Send(&DC);
-
- // TODO: Cannot sleep in the tick thread!
- cSleep::MilliSleep(1000); // Give packet some time to be received
-
- Destroy();
- }
-
- cTimer t1;
- // Send ping packet
- if (m_LastPingTime + cClientHandle::PING_TIME_MS <= t1.GetNowTime())
- {
- m_PingID++;
- cPacket_KeepAlive Ping(m_PingID);
- m_PingStartTime = t1.GetNowTime();
- Send(Ping);
- m_LastPingTime = m_PingStartTime;
- }
-}
-
-
-
-
-
-void cClientHandle::Send(const cPacket & a_Packet, ENUM_PRIORITY a_Priority /* = E_PRIORITY_NORMAL */)
-{
- if (m_bKicking) return; // Don't add more packets if player is getting kicked anyway
-
- // If it is the packet spawning myself for myself, drop it silently:
- if (a_Packet.m_PacketID == E_NAMED_ENTITY_SPAWN)
- {
- if (((cPacket_NamedEntitySpawn &)a_Packet).m_UniqueID == m_Player->GetUniqueID())
- {
- return;
- }
- }
-
- // Filter out packets that don't belong to a csDownloadingWorld state:
- if (m_State == csDownloadingWorld)
- {
- switch (a_Packet.m_PacketID)
- {
- case E_PLAYERMOVELOOK:
- case E_KEEP_ALIVE:
- case E_PRE_CHUNK:
- case E_MAP_CHUNK:
- {
- // Allow
- break;
- }
- default: return;
- }
- }
-
- // Filter out map chunks that the client doesn't want anymore:
- if (a_Packet.m_PacketID == E_MAP_CHUNK)
- {
- // Check chunks being sent, erase them from m_ChunksToSend:
- int ChunkX = ((cPacket_MapChunk &)a_Packet).m_PosX;
- int ChunkZ = ((cPacket_MapChunk &)a_Packet).m_PosZ;
- bool Found = false;
- cCSLock Lock(m_CSChunkLists);
- for (cChunkCoordsList::iterator itr = m_ChunksToSend.begin(); itr != m_ChunksToSend.end(); ++itr)
- {
- if ((itr->m_ChunkX == ChunkX) && (itr->m_ChunkZ == ChunkZ))
- {
- m_ChunksToSend.erase(itr);
- CheckIfWorldDownloaded();
- Found = true;
- break;
- }
- } // for itr - m_ChunksToSend[]
- if (!Found)
- {
- // This just sometimes happens. If you have a reliably replicatable situation for this, go ahead and fix it
- // It's not a big issue anyway, just means that some chunks may be compressed several times
- // LOGD("Refusing to send chunk [%d, %d] to client \"%s\" at [%d, %d].", ChunkX, ChunkZ, m_Username.c_str(), m_Player->GetChunkX(), m_Player->GetChunkZ());
- return;
- }
- }
-
- // Filter out pre chunks that the client doesn't want anymore:
- if ((a_Packet.m_PacketID == E_PRE_CHUNK) && ((cPacket_PreChunk &)a_Packet).m_bLoad)
- {
- int ChunkX = ((cPacket_PreChunk &)a_Packet).m_PosX;
- int ChunkZ = ((cPacket_PreChunk &)a_Packet).m_PosZ;
- bool Found = false;
- cCSLock Lock(m_CSChunkLists);
- for (cChunkCoordsList::iterator itr = m_ChunksToSend.begin(); itr != m_ChunksToSend.end(); ++itr)
- {
- if ((itr->m_ChunkX == ChunkX) && (itr->m_ChunkZ == ChunkZ))
- {
- Found = true;
- break;
- }
- } // for itr - m_ChunksToSend[]
- if (!Found)
- {
- // This just sometimes happens. If you have a reliably replicatable situation for this, go ahead and fix it
- // It's not a big issue anyway, just means that some chunks may be compressed several times
- // LOGD("Refusing to send PREchunk [%d, %d] to client \"%s\" at [%d, %d].", ChunkX, ChunkZ, m_Username.c_str(), m_Player->GetChunkX(), m_Player->GetChunkZ());
- return;
- }
- }
-
- // Optimize away multiple queued RelativeEntityMoveLook packets:
- cCSLock Lock(m_CSPackets);
- if (a_Priority == E_PRIORITY_NORMAL)
- {
- if (a_Packet.m_PacketID == E_REL_ENT_MOVE_LOOK)
- {
- PacketList & Packets = m_PendingNrmSendPackets;
- const cPacket_RelativeEntityMoveLook & ThisPacketData = reinterpret_cast< const cPacket_RelativeEntityMoveLook &>(a_Packet);
- for (PacketList::iterator itr = Packets.begin(); itr != Packets.end(); ++itr)
- {
- bool bBreak = false;
- switch ((*itr)->m_PacketID)
- {
- case E_REL_ENT_MOVE_LOOK:
- {
- cPacket_RelativeEntityMoveLook * PacketData = reinterpret_cast< cPacket_RelativeEntityMoveLook *>(*itr);
- if (ThisPacketData.m_UniqueID == PacketData->m_UniqueID)
- {
- Packets.erase(itr);
- bBreak = true;
- delete PacketData;
- break;
- }
- break;
- } // case E_REL_END_MOVE_LOOK
- } // switch (*itr -> Packet type)
- if (bBreak)
- {
- break;
- }
- } // for itr - Packets[]
- } // if (E_REL_ENT_MOVE_LOOK
- m_PendingNrmSendPackets.push_back(a_Packet.Clone());
- }
- else if (a_Priority == E_PRIORITY_LOW)
- {
- m_PendingLowSendPackets.push_back(a_Packet.Clone());
- }
- Lock.Unlock();
-
- // Notify SocketThreads that we have something to write:
- cRoot::Get()->GetServer()->NotifyClientWrite(this);
-}
-
-
-
-
-
-void cClientHandle::CheckIfWorldDownloaded(void)
-{
- if (m_State != csDownloadingWorld)
- {
- return;
- }
- cCSLock Lock(m_CSChunkLists);
- if (m_ChunksToSend.empty())
- {
- SendConfirmPosition();
- }
-}
-
-
-
-
-
-void cClientHandle::SendConfirmPosition(void)
-{
- LOG("Spawning player \"%s\" at {%.2f, %.2f, %.2f}",
- m_Username.c_str(), m_Player->GetPosX(), m_Player->GetPosY(), m_Player->GetPosZ()
- );
-
- m_State = csConfirmingPos;
-
- if (!cRoot::Get()->GetPluginManager()->CallHook(cPluginManager::E_PLUGIN_PLAYER_JOIN, 1, m_Player))
- {
- // Broadcast that this player has joined the game! Yay~
- cPacket_Chat Joined(m_Username + " joined the game!");
- cRoot::Get()->GetServer()->Broadcast(Joined, this);
- }
-
- m_ConfirmPosition = m_Player->GetPosition();
- Send(cPacket_PlayerMoveLook(m_Player));
-}
-
-
-
-
-
-const AString & cClientHandle::GetUsername(void) const
-{
- return m_Username;
-}
-
-
-
-
-
-void cClientHandle::SetViewDistance(int a_ViewDistance)
-{
- if (a_ViewDistance < MIN_VIEW_DISTANCE)
- {
- a_ViewDistance = MIN_VIEW_DISTANCE;
- }
- if (a_ViewDistance > MAX_VIEW_DISTANCE)
- {
- a_ViewDistance = MAX_VIEW_DISTANCE;
- }
- m_ViewDistance = a_ViewDistance;
-
- // Need to re-stream chunks for the change to become apparent:
- StreamChunks();
-}
-
-
-
-
-
-bool cClientHandle::WantsSendChunk(int a_ChunkX, int a_ChunkY, int a_ChunkZ)
-{
- cCSLock Lock(m_CSChunkLists);
- return (std::find(m_ChunksToSend.begin(), m_ChunksToSend.end(), cChunkCoords(a_ChunkX, a_ChunkY, a_ChunkZ)) != m_ChunksToSend.end());
-}
-
-
-
-
-
-void cClientHandle::AddWantedChunk(int a_ChunkX, int a_ChunkZ)
-{
- LOGD("Adding chunk [%d, %d] to wanted chunks for client %p", a_ChunkX, a_ChunkZ, this);
- cCSLock Lock(m_CSChunkLists);
- if (std::find(m_ChunksToSend.begin(), m_ChunksToSend.end(), cChunkCoords(a_ChunkX, ZERO_CHUNK_Y, a_ChunkZ)) == m_ChunksToSend.end())
- {
- m_ChunksToSend.push_back(cChunkCoords(a_ChunkX, ZERO_CHUNK_Y, a_ChunkZ));
- }
-}
-
-
-
-
-
-void cClientHandle::DataReceived(const char * a_Data, int a_Size)
-{
- // Data is received from the client
-
- m_ReceivedData.append(a_Data, a_Size);
-
- // Parse and handle all complete packets in m_ReceivedData:
- while (!m_ReceivedData.empty())
- {
- cPacket* pPacket = m_PacketMap[(unsigned char)m_ReceivedData[0]];
- if (pPacket == NULL)
- {
- LOGERROR("Unknown packet type 0x%02x from client \"%s\"", (unsigned char)m_ReceivedData[0], m_Username.c_str());
-
- AString Reason;
- Printf(Reason, "[C->S] Unknown PacketID: 0x%02x", (unsigned char)m_ReceivedData[0]);
- cPacket_Disconnect DC(Reason);
- m_Socket.Send(&DC);
- cSleep::MilliSleep(1000); // Give packet some time to be received
- Destroy();
- return;
- }
-
- int NumBytes = pPacket->Parse(m_ReceivedData.data() + 1, m_ReceivedData.size() - 1);
- if (NumBytes == PACKET_ERROR)
- {
- LOGERROR("Protocol error while parsing packet type 0x%02x; disconnecting client \"%s\"", (unsigned char)m_ReceivedData[0], m_Username.c_str());
- cPacket_Disconnect DC("Protocol error");
- m_Socket.Send(&DC);
- cSleep::MilliSleep(1000); // Give packet some time to be received
- Destroy();
- return;
- }
- else if (NumBytes == PACKET_INCOMPLETE)
- {
- // Not a complete packet
- break;
- }
- else
- {
- // Packet parsed successfully, add it to internal queue:
- HandlePacket(pPacket);
- // Erase the packet from the buffer:
- ASSERT(m_ReceivedData.size() > (size_t)NumBytes);
- m_ReceivedData.erase(0, NumBytes + 1);
- }
- } // while (!Received.empty())
-}
-
-
-
-
-
-void cClientHandle::GetOutgoingData(AString & a_Data)
-{
- // Data can be sent to client
-
- cCSLock Lock(m_CSPackets);
- if (m_PendingNrmSendPackets.size() + m_PendingLowSendPackets.size() > MAX_OUTGOING_PACKETS)
- {
- LOGERROR("ERROR: Too many packets in queue for player %s !!", m_Username.c_str());
- cPacket_Disconnect DC("Too many packets in queue.");
- m_Socket.Send(DC);
-
- // DEBUG: Dump all outstanding packets' types to the log:
- int Idx = 0;
- int ChunkX = m_Player->GetChunkX();
- int ChunkZ = m_Player->GetChunkZ();
- for (PacketList::const_iterator itr = m_PendingNrmSendPackets.begin(); itr != m_PendingNrmSendPackets.end(); ++itr)
- {
- switch ((*itr)->m_PacketID)
- {
- case E_MAP_CHUNK:
- {
- int x = ((cPacket_MapChunk *)(*itr))->m_PosX;
- int z = ((cPacket_MapChunk *)(*itr))->m_PosZ;
- bool IsWanted = (abs(x - ChunkX) <= m_ViewDistance) && (abs(z - ChunkZ) <= m_ViewDistance);
- LOG("Packet %4d: type %2x (MapChunk: %d, %d, %s)",
- Idx++, (*itr)->m_PacketID,
- x, z,
- IsWanted ? "wanted" : "unwanted"
- );
- break;
- }
-
- case E_PRE_CHUNK:
- {
- int x = ((cPacket_PreChunk *)(*itr))->m_PosX;
- int z = ((cPacket_PreChunk *)(*itr))->m_PosZ;
- bool IsWanted = (abs(x - ChunkX) <= m_ViewDistance) && (abs(z - ChunkZ) <= m_ViewDistance);
- bool Loading = ((cPacket_PreChunk *)(*itr))->m_bLoad;
- LOG("Packet %4d: type %2x (PreChunk: %d, %d, %s, %s)",
- Idx++, (*itr)->m_PacketID,
- x, z,
- Loading ? "loading" : "unloading",
- IsWanted ? "wanted" : "unwanted"
- );
- break;
- }
-
- case E_BLOCK_CHANGE:
- {
- int x = ((cPacket_BlockChange *)(*itr))->m_PosX;
- int z = ((cPacket_BlockChange *)(*itr))->m_PosZ;
- char ToBlock = ((cPacket_BlockChange *)(*itr))->m_BlockType;
- int y, cx, cz;
- cChunkDef::AbsoluteToRelative(x, y, z, cx, cz);
- bool IsWanted = (abs(cx - ChunkX) <= m_ViewDistance) && (abs(cz - ChunkZ) <= m_ViewDistance);
- LOG("Packet %4d: type %2x (BlockChange: [%d, %d], %s chunk; to block %d)",
- Idx++, (*itr)->m_PacketID,
- cx, cz,
- IsWanted ? "wanted" : "unwanted",
- ToBlock
- );
- break;
- }
-
- case E_MULTI_BLOCK:
- {
- int cx = ((cPacket_MultiBlock *)(*itr))->m_ChunkX;
- int cz = ((cPacket_MultiBlock *)(*itr))->m_ChunkZ;
- int NumBlocks = ((cPacket_MultiBlock *)(*itr))->m_NumBlocks;
- bool IsWanted = (abs(cx - ChunkX) <= m_ViewDistance) && (abs(cz - ChunkZ) <= m_ViewDistance);
- LOG("Packet %4d: type %2x (MultiBlock: [%d, %d], %s chunk, %d blocks)",
- Idx++, (*itr)->m_PacketID,
- cx, cz,
- IsWanted ? "wanted" : "unwanted",
- NumBlocks
- );
- break;
- }
-
- default:
- {
- LOG("Packet %4d: type %2x", Idx++, (*itr)->m_PacketID);
- break;
- }
- }
- }
-
- Lock.Unlock();
- Destroy();
- return;
- }
-
- if ((m_PendingNrmSendPackets.size() == 0) && (m_PendingLowSendPackets.size() == 0))
- {
- return;
- }
-
- if (m_PendingNrmSendPackets.size() > MAX_OUTGOING_PACKETS / 2)
- {
- LOGINFO("Suspiciously many pending packets: %i; client \"%s\", LastType: 0x%02x", m_PendingNrmSendPackets.size(), m_Username.c_str(), (*m_PendingNrmSendPackets.rbegin())->m_PacketID);
- }
-
- AString Data;
- Data.reserve(1100);
- // Serialize normal-priority packets up to 1000 bytes
- while (!m_PendingNrmSendPackets.empty() && (Data.size() < 1000))
- {
- m_PendingNrmSendPackets.front()->Serialize(Data);
- delete m_PendingNrmSendPackets.front();
- m_PendingNrmSendPackets.erase(m_PendingNrmSendPackets.begin());
- }
- // Serialize one low-priority packet:
- if (!m_PendingLowSendPackets.empty() && Data.empty())
- {
- m_PendingLowSendPackets.front()->Serialize(Data);
- delete m_PendingLowSendPackets.front();
- m_PendingLowSendPackets.erase(m_PendingLowSendPackets.begin());
- }
- Lock.Unlock();
-
- a_Data.append(Data);
-
- // Disconnect player after all packets have been sent
- if (m_bKicking && (m_PendingNrmSendPackets.size() + m_PendingLowSendPackets.size() == 0))
- {
- Destroy();
- }
-}
-
-
-
-
-
-void cClientHandle::SocketClosed(void)
-{
- // The socket has been closed for any reason
-
- // TODO
- /*
- self->Destroy();
- LOG("Client \"%s\" disconnected", GetLogName().c_str());
- */
-}
-
-
-
-
+ +#include "Globals.h" // NOTE: MSVC stupidness requires this to be the same across all modules + +#include "cClientHandle.h" +#include "cServer.h" +#include "cWorld.h" +#include "cPickup.h" +#include "cPluginManager.h" +#include "cPlayer.h" +#include "cInventory.h" +#include "cChestEntity.h" +#include "cSignEntity.h" +#include "cWindow.h" +#include "cCraftingWindow.h" +#include "cItem.h" +#include "cTorch.h" +#include "cStairs.h" +#include "cStep.h" +#include "cDoors.h" +#include "cLadder.h" +#include "cSign.h" +#include "cRedstone.h" +#include "cPiston.h" +#include "cBlockToPickup.h" +#include "cMonster.h" +#include "cChatColor.h" +#include "cSocket.h" +#include "cTimer.h" + +#include "cTracer.h" +#include "Vector3f.h" +#include "Vector3d.h" + +#include "cSleep.h" +#include "cRoot.h" + +#include "cBlockingTCPLink.h" +#include "cAuthenticator.h" +#include "MersenneTwister.h" + +#include "packets/cPacket_KeepAlive.h" +#include "packets/cPacket_Respawn.h" +#include "packets/cPacket_UpdateHealth.h" +#include "packets/cPacket_RelativeEntityMoveLook.h" +#include "packets/cPacket_Chat.h" +#include "packets/cPacket_Login.h" +#include "packets/cPacket_WindowClick.h" +#include "packets/cPacket_TimeUpdate.h" +#include "packets/cPacket_BlockDig.h" +#include "packets/cPacket_Handshake.h" +#include "packets/cPacket_ArmAnim.h" +#include "packets/cPacket_BlockPlace.h" +#include "packets/cPacket_Flying.h" +#include "packets/cPacket_Disconnect.h" +#include "packets/cPacket_PickupSpawn.h" +#include "packets/cPacket_ItemSwitch.h" +#include "packets/cPacket_EntityEquipment.h" +#include "packets/cPacket_CreativeInventoryAction.h" +#include "packets/cPacket_NewInvalidState.h" +#include "packets/cPacket_UseEntity.h" +#include "packets/cPacket_WindowClose.h" +#include "packets/cPacket_13.h" +#include "packets/cPacket_UpdateSign.h" +#include "packets/cPacket_Ping.h" +#include "packets/cPacket_NamedEntitySpawn.h" +#include "packets/cPacket_MapChunk.h" +#include "packets/cPacket_PreChunk.h" + +// DEBUG: +#include "packets/cPacket_BlockChange.h" +#include "packets/cPacket_MultiBlock.h" + + + + + +#define AddPistonDir(x, y, z, dir, amount) switch (dir) { case 0: (y)-=(amount); break; case 1: (y)+=(amount); break;\ + case 2: (z)-=(amount); break; case 3: (z)+=(amount); break;\ + case 4: (x)-=(amount); break; case 5: (x)+=(amount); break; } + + + + + +/// If the number of queued outgoing packets reaches this, the client will be kicked +#define MAX_OUTGOING_PACKETS 2000 + + + + + +#define RECI_RAND_MAX (1.f/RAND_MAX) +inline int fRadRand(MTRand & r1, int a_BlockCoord) +{ + return a_BlockCoord * 32 + (int)(16 * ((float)r1.rand() * RECI_RAND_MAX) * 16 - 8); +} + + + + + +int cClientHandle::s_ClientCount = 0; + + + + + +/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// cClientHandle: + +cClientHandle::cClientHandle(const cSocket & a_Socket, int a_ViewDistance) + : m_ViewDistance(a_ViewDistance) + , m_ProtocolVersion(MCS_PROTOCOL_VERSION) + , m_Socket(a_Socket) + , m_bDestroyed(false) + , m_Player(NULL) + , m_bKicking(false) + , m_TimeLastPacket(cWorld::GetTime()) + , m_bKeepThreadGoing(true) + , m_Ping(1000) + , m_State(csConnected) + , m_LastStreamedChunkX(0x7fffffff) // bogus chunk coords to force streaming upon login + , m_LastStreamedChunkZ(0x7fffffff) + , m_UniqueID(0) +{ + s_ClientCount++; // Not protected by CS because clients are always constructed from the same thread + m_UniqueID = s_ClientCount; + + cTimer t1; + m_LastPingTime = t1.GetNowTime(); + + // All the packets that can be received from the client + for (int i = 0; i < ARRAYCOUNT(m_PacketMap); ++i) + { + m_PacketMap[i] = NULL; + } + m_PacketMap[E_KEEP_ALIVE] = new cPacket_KeepAlive; + m_PacketMap[E_HANDSHAKE] = new cPacket_Handshake; + m_PacketMap[E_LOGIN] = new cPacket_Login; + m_PacketMap[E_PLAYERPOS] = new cPacket_PlayerPosition; + m_PacketMap[E_PLAYERLOOK] = new cPacket_PlayerLook; + m_PacketMap[E_PLAYERMOVELOOK] = new cPacket_PlayerMoveLook; + m_PacketMap[E_PLAYER_ABILITIES] = new cPacket_PlayerAbilities; + m_PacketMap[E_CHAT] = new cPacket_Chat; + m_PacketMap[E_ANIMATION] = new cPacket_ArmAnim; + m_PacketMap[E_FLYING] = new cPacket_Flying; + m_PacketMap[E_BLOCK_DIG] = new cPacket_BlockDig; + m_PacketMap[E_BLOCK_PLACE] = new cPacket_BlockPlace; + m_PacketMap[E_DISCONNECT] = new cPacket_Disconnect; + m_PacketMap[E_ITEM_SWITCH] = new cPacket_ItemSwitch; + m_PacketMap[E_ENTITY_EQUIPMENT] = new cPacket_EntityEquipment; + m_PacketMap[E_CREATIVE_INVENTORY_ACTION] = new cPacket_CreativeInventoryAction; + m_PacketMap[E_NEW_INVALID_STATE] = new cPacket_NewInvalidState; + m_PacketMap[E_PICKUP_SPAWN] = new cPacket_PickupSpawn; + m_PacketMap[E_USE_ENTITY] = new cPacket_UseEntity; + m_PacketMap[E_WINDOW_CLOSE] = new cPacket_WindowClose; + m_PacketMap[E_WINDOW_CLICK] = new cPacket_WindowClick; + m_PacketMap[E_PACKET_13] = new cPacket_13; + m_PacketMap[E_UPDATE_SIGN] = new cPacket_UpdateSign; + m_PacketMap[E_RESPAWN] = new cPacket_Respawn; + m_PacketMap[E_PING] = new cPacket_Ping; + + LOG("New ClientHandle created at %p", this); +} + + + + + +cClientHandle::~cClientHandle() +{ + LOG("Deleting client \"%s\" at %p", GetUsername().c_str(), this); + + // Remove from cSocketThreads, we're not to be called anymore: + cRoot::Get()->GetServer()->ClientDestroying(this); + + { + cCSLock Lock(m_CSChunkLists); + m_LoadedChunks.clear(); + m_ChunksToSend.clear(); + } + + if (m_Player != NULL) + { + cWorld * World = m_Player->GetWorld(); + if (!m_Username.empty() && (World != NULL)) + { + // Send the Offline PlayerList packet: + AString NameColor = (m_Player ? m_Player->GetColor() : ""); + cPacket_PlayerListItem PlayerList(NameColor + GetUsername(), false, (short)9999); + World->Broadcast(PlayerList, this); + + // Send the Chat packet: + cPacket_Chat Left(m_Username + " left the game!"); + World->Broadcast(Left, this); + } + if (World != NULL) + { + World->RemovePlayer(m_Player); + } + } + + if (m_Socket.IsValid()) + { + cPacket_Disconnect Disconnect; + Disconnect.m_Reason = "Server shut down? Kthnxbai"; + m_Socket.Send(&Disconnect); + } + + if (m_Player != NULL) + { + m_Player->Destroy(); + m_Player = NULL; + } + for (int i = 0; i < ARRAYCOUNT(m_PacketMap); i++) + { + delete m_PacketMap[i]; + } + + // Queue all remaining outgoing packets to cSocketThreads: + { + cCSLock Lock(m_CSPackets); + for (PacketList::iterator itr = m_PendingNrmSendPackets.begin(); itr != m_PendingNrmSendPackets.end(); ++itr) + { + AString Data; + (*itr)->Serialize(Data); + cRoot::Get()->GetServer()->WriteToClient(&m_Socket, Data); + delete *itr; + } + m_PendingNrmSendPackets.clear(); + for (PacketList::iterator itr = m_PendingLowSendPackets.begin(); itr != m_PendingLowSendPackets.end(); ++itr) + { + AString Data; + (*itr)->Serialize(Data); + cRoot::Get()->GetServer()->WriteToClient(&m_Socket, Data); + delete *itr; + } + m_PendingLowSendPackets.clear(); + } + + // Queue the socket to close as soon as it sends all outgoing data: + cRoot::Get()->GetServer()->QueueClientClose(&m_Socket); + + // We need to remove the socket from SocketThreads because we own it and it gets destroyed after this destructor finishes + // TODO: The socket needs to stay alive, someone else has to own it + cRoot::Get()->GetServer()->RemoveClient(&m_Socket); + + LOG("ClientHandle at %p deleted", this); +} + + + + + +void cClientHandle::Destroy() +{ + // Setting m_bDestroyed was moved to the bottom of Destroy(), + // otherwise the destructor may be called within another thread before the client is removed from chunks + // http://forum.mc-server.org/showthread.php?tid=366 + + if ((m_Player != NULL) && (m_Player->GetWorld() != NULL)) + { + RemoveFromAllChunks(); + m_Player->GetWorld()->RemoveClientFromChunkSender(this); + } + + m_bDestroyed = true; +} + + + + + +void cClientHandle::Kick(const AString & a_Reason) +{ + if (m_State >= csAuthenticating) // Don't log pings + { + LOG("Kicking user \"%s\" for \"%s\"", m_Username.c_str(), a_Reason.c_str()); + } + Send(cPacket_Disconnect(a_Reason)); + m_bKicking = true; +} + + + + + +void cClientHandle::Authenticate(void) +{ + if (m_State != csAuthenticating) + { + return; + } + + ASSERT( m_Player == NULL ); + + // Spawn player (only serversided, so data is loaded) + m_Player = new cPlayer(this, GetUsername()); + + cWorld * World = cRoot::Get()->GetWorld(m_Player->GetLoadedWorldName()); + if (World == NULL) + { + World = cRoot::Get()->GetDefaultWorld(); + } + + m_Player->LoginSetGameMode (World->GetGameMode()); //set player's gamemode to server's gamemode at login. TODO: set to last player's gamemode at logout + + m_Player->SetIP (m_Socket.GetIPString()); + + cRoot::Get()->GetPluginManager()->CallHook(cPluginManager::E_PLUGIN_PLAYER_SPAWN, 1, m_Player); + + // Return a server login packet + cPacket_Login LoginResponse; + LoginResponse.m_ProtocolVersion = m_Player->GetUniqueID(); + //LoginResponse.m_Username = ""; + LoginResponse.m_ServerMode = m_Player->GetGameMode(); // set gamemode from player. + LoginResponse.m_Dimension = 0; + LoginResponse.m_MaxPlayers = (unsigned char)cRoot::Get()->GetDefaultWorld()->GetMaxPlayers(); + LoginResponse.m_Difficulty = 2; + Send(LoginResponse); + + // Send Weather if raining: + if ((World->GetWeather() == 1) || (World->GetWeather() == 2)) + { + cPacket_NewInvalidState RainPacket; + RainPacket.m_Reason = 1; //begin rain + Send(RainPacket); + } + + // Send time + Send(cPacket_TimeUpdate(World->GetWorldTime())); + + // Send inventory + m_Player->GetInventory().SendWholeInventory(this); + + // Send health + cPacket_UpdateHealth Health; + Health.m_Health = (short)m_Player->GetHealth(); + Health.m_Food = m_Player->GetFood(); + Health.m_Saturation = m_Player->GetFoodSaturation(); + Send(Health); + + m_Player->Initialize(World); + StreamChunks(); + m_State = csDownloadingWorld; +} + + + + + +void cClientHandle::StreamChunks(void) +{ + if (m_State < csAuthenticating) + { + return; + } + + ASSERT(m_Player != NULL); + + int ChunkPosX = FAST_FLOOR_DIV(m_Player->GetPosX(), cChunkDef::Width); + int ChunkPosZ = FAST_FLOOR_DIV(m_Player->GetPosZ(), cChunkDef::Width); + if ((ChunkPosX == m_LastStreamedChunkX) && (ChunkPosZ == m_LastStreamedChunkZ)) + { + // Already streamed for this position + return; + } + m_LastStreamedChunkX = ChunkPosX; + m_LastStreamedChunkZ = ChunkPosZ; + + LOGD("Streaming chunks centered on [%d, %d], view distance %d", ChunkPosX, ChunkPosZ, m_ViewDistance); + + cWorld * World = m_Player->GetWorld(); + ASSERT(World != NULL); + + // Remove all loaded chunks that are no longer in range; deferred to out-of-CS: + cChunkCoordsList RemoveChunks; + { + cCSLock Lock(m_CSChunkLists); + for (cChunkCoordsList::iterator itr = m_LoadedChunks.begin(); itr != m_LoadedChunks.end();) + { + int RelX = (*itr).m_ChunkX - ChunkPosX; + int RelZ = (*itr).m_ChunkZ - ChunkPosZ; + if ((RelX > m_ViewDistance) || (RelX < -m_ViewDistance) || (RelZ > m_ViewDistance) || (RelZ < -m_ViewDistance)) + { + RemoveChunks.push_back(*itr); + itr = m_LoadedChunks.erase(itr); + } + else + { + ++itr; + } + } // for itr - m_LoadedChunks[] + for (cChunkCoordsList::iterator itr = m_ChunksToSend.begin(); itr != m_ChunksToSend.end();) + { + int RelX = (*itr).m_ChunkX - ChunkPosX; + int RelZ = (*itr).m_ChunkZ - ChunkPosZ; + if ((RelX > m_ViewDistance) || (RelX < -m_ViewDistance) || (RelZ > m_ViewDistance) || (RelZ < -m_ViewDistance)) + { + itr = m_ChunksToSend.erase(itr); + } + else + { + ++itr; + } + } // for itr - m_ChunksToSend[] + } + for (cChunkCoordsList::iterator itr = RemoveChunks.begin(); itr != RemoveChunks.end(); ++itr) + { + World->RemoveChunkClient(itr->m_ChunkX, itr->m_ChunkY, itr->m_ChunkZ, this); + Send(cPacket_PreChunk(itr->m_ChunkX, itr->m_ChunkZ, false)); + } // for itr - RemoveChunks[] + + // Add all chunks that are in range and not yet in m_LoadedChunks: + // Queue these smartly - from the center out to the edge + for (int d = 0; d <= m_ViewDistance; ++d) // cycle through (square) distance, from nearest to furthest + { + // For each distance add chunks in a hollow square centered around current position: + for (int i = -d; i <= d; ++i) + { + StreamChunk(ChunkPosX + d, ZERO_CHUNK_Y, ChunkPosZ + i); + StreamChunk(ChunkPosX - d, ZERO_CHUNK_Y, ChunkPosZ + i); + } // for i + for (int i = -d + 1; i < d; ++i) + { + StreamChunk(ChunkPosX + i, ZERO_CHUNK_Y, ChunkPosZ + d); + StreamChunk(ChunkPosX + i, ZERO_CHUNK_Y, ChunkPosZ - d); + } // for i + } // for d + + // Touch chunks GENERATEDISTANCE ahead to let them generate: + for (int d = m_ViewDistance + 1; d <= m_ViewDistance + GENERATEDISTANCE; ++d) // cycle through (square) distance, from nearest to furthest + { + // For each distance touch chunks in a hollow square centered around current position: + for (int i = -d; i <= d; ++i) + { + World->TouchChunk(ChunkPosX + d, ZERO_CHUNK_Y, ChunkPosZ + i); + World->TouchChunk(ChunkPosX - d, ZERO_CHUNK_Y, ChunkPosZ + i); + } // for i + for (int i = -d + 1; i < d; ++i) + { + World->TouchChunk(ChunkPosX + i, ZERO_CHUNK_Y, ChunkPosZ + d); + World->TouchChunk(ChunkPosX + i, ZERO_CHUNK_Y, ChunkPosZ - d); + } // for i + } // for d +} + + + + +void cClientHandle::StreamChunk(int a_ChunkX, int a_ChunkY, int a_ChunkZ) +{ + cWorld * World = m_Player->GetWorld(); + ASSERT(World != NULL); + + if (World->AddChunkClient(a_ChunkX, a_ChunkY, a_ChunkZ, this)) + { + { + cCSLock Lock(m_CSChunkLists); + m_LoadedChunks.push_back(cChunkCoords(a_ChunkX, a_ChunkY, a_ChunkZ)); + m_ChunksToSend.push_back(cChunkCoords(a_ChunkX, a_ChunkY, a_ChunkZ)); + } + World->SendChunkTo(a_ChunkX, a_ChunkY, a_ChunkZ, this); + } +} + + + + + +// Removes the client from all chunks. Used when switching worlds or destroying the player +void cClientHandle::RemoveFromAllChunks() +{ + cWorld * World = m_Player->GetWorld(); + if (World != NULL) + { + World->RemoveClientFromChunks(this); + } + + { + cCSLock Lock(m_CSChunkLists); + m_LoadedChunks.clear(); + m_ChunksToSend.clear(); + } +} + + + + + +void cClientHandle::HandlePacket(cPacket * a_Packet) +{ + m_TimeLastPacket = cWorld::GetTime(); + + // LOG("Recv packet 0x%02x from client \"%s\" (\"%s\")", a_Packet->m_PacketID, m_Socket.GetIPString().c_str(), m_Username.c_str()); + + if (m_bKicking) + { + return; + } + + switch (m_State) + { + case csConnected: + { + switch (a_Packet->m_PacketID) + { + case E_NEW_INVALID_STATE: // New/Invalid State packet received. I'm guessing the client only sends it when there's a problem with the bed? + { + LOGINFO("Got New Invalid State packet"); + break; + } + case E_PING: HandlePing (); break; + case E_HANDSHAKE: HandleHandshake(reinterpret_cast<cPacket_Handshake *>(a_Packet)); break; + case E_LOGIN: HandleLogin (reinterpret_cast<cPacket_Login *> (a_Packet)); break; + + // Ignored packets: + case E_PLAYERLOOK: + case E_CHAT: + case E_PLAYERMOVELOOK: + case E_PLAYERPOS: + case E_KEEP_ALIVE: break; + default: HandleUnexpectedPacket(a_Packet); break; + } // switch (PacketType) + break; + } // case csConnected + + case csAuthenticating: + { + // Waiting for external authentication, no packets are handled + switch (a_Packet->m_PacketID) + { + // Ignored packets: + case E_KEEP_ALIVE: + case E_CHAT: + case E_FLYING: + case E_PLAYERLOOK: + case E_PLAYERMOVELOOK: + case E_PLAYERPOS: break; + + default: HandleUnexpectedPacket(a_Packet); break; + } + break; + } + + case csDownloadingWorld: + { + // Waiting for chunks to stream to client, no packets are handled + switch (a_Packet->m_PacketID) + { + // Ignored packets: + case E_KEEP_ALIVE: + case E_CHAT: + case E_FLYING: + case E_PLAYERLOOK: + case E_PLAYERMOVELOOK: + case E_PLAYERPOS: break; + + default: HandleUnexpectedPacket(a_Packet); break; + } + break; + } + + case csConfirmingPos: + { + switch (a_Packet->m_PacketID) + { + // Ignored packets: + case E_KEEP_ALIVE: + case E_CHAT: + case E_FLYING: + case E_PLAYERLOOK: + case E_PLAYERPOS: break; + + case E_PLAYERMOVELOOK: HandleMoveLookConfirm(reinterpret_cast<cPacket_PlayerMoveLook *>(a_Packet)); break; + + default: + { + HandleUnexpectedPacket(a_Packet); + break; + } + } // switch (PacketType) + break; + } // case csConfirmingPos + + case csPlaying: + { + switch (a_Packet->m_PacketID) + { + case E_CREATIVE_INVENTORY_ACTION: HandleCreativeInventory(reinterpret_cast<cPacket_CreativeInventoryAction *>(a_Packet)); break; + case E_PLAYERPOS: HandlePlayerPos (reinterpret_cast<cPacket_PlayerPosition *> (a_Packet)); break; + case E_BLOCK_DIG: HandleBlockDig (reinterpret_cast<cPacket_BlockDig *> (a_Packet)); break; + case E_BLOCK_PLACE: HandleBlockPlace (reinterpret_cast<cPacket_BlockPlace *> (a_Packet)); break; + case E_PICKUP_SPAWN: HandlePickupSpawn (reinterpret_cast<cPacket_PickupSpawn *> (a_Packet)); break; + case E_CHAT: HandleChat (reinterpret_cast<cPacket_Chat *> (a_Packet)); break; + case E_PLAYERLOOK: HandlePlayerLook (reinterpret_cast<cPacket_PlayerLook *> (a_Packet)); break; + case E_PLAYERMOVELOOK: HandlePlayerMoveLook (reinterpret_cast<cPacket_PlayerMoveLook *> (a_Packet)); break; + case E_ANIMATION: HandleAnimation (reinterpret_cast<cPacket_ArmAnim *> (a_Packet)); break; + case E_ITEM_SWITCH: HandleItemSwitch (reinterpret_cast<cPacket_ItemSwitch *> (a_Packet)); break; + case E_WINDOW_CLOSE: HandleWindowClose (reinterpret_cast<cPacket_WindowClose *> (a_Packet)); break; + case E_WINDOW_CLICK: HandleWindowClick (reinterpret_cast<cPacket_WindowClick *> (a_Packet)); break; + case E_UPDATE_SIGN: HandleUpdateSign (reinterpret_cast<cPacket_UpdateSign *> (a_Packet)); break; + case E_USE_ENTITY: HandleUseEntity (reinterpret_cast<cPacket_UseEntity *> (a_Packet)); break; + case E_RESPAWN: HandleRespawn(); break; + case E_DISCONNECT: HandleDisconnect (reinterpret_cast<cPacket_Disconnect *> (a_Packet)); break; + case E_KEEP_ALIVE: HandleKeepAlive (reinterpret_cast<cPacket_KeepAlive *> (a_Packet)); break; + } // switch (Packet type) + break; + } // case csPlaying + } // switch (m_State) +} + + + + + +void cClientHandle::HandlePing(void) +{ + // Somebody tries to retrieve information about the server + AString Reply; + Printf(Reply, "%s%s%i%s%i", + cRoot::Get()->GetDefaultWorld()->GetDescription().c_str(), + cChatColor::Delimiter.c_str(), + cRoot::Get()->GetDefaultWorld()->GetNumPlayers(), + cChatColor::Delimiter.c_str(), + cRoot::Get()->GetDefaultWorld()->GetMaxPlayers() + ); + Kick(Reply.c_str()); +} + + + + + +void cClientHandle::HandleHandshake(cPacket_Handshake * a_Packet) +{ + AStringVector UserData = StringSplit( a_Packet->m_Username, ";" ); // "FakeTruth;localhost:25565" + if( UserData.size() == 0 ) + { + Kick("Could not receive username"); + return; + } + m_Username = UserData[0]; + + LOG("HANDSHAKE %s", m_Username.c_str()); + + if (cRoot::Get()->GetDefaultWorld()->GetNumPlayers() >= cRoot::Get()->GetDefaultWorld()->GetMaxPlayers()) + { + Kick("The server is currently full :(-- Try again later"); + return; + } + cPacket_Chat Connecting(m_Username + " is connecting."); + cRoot::Get()->GetServer()->Broadcast(Connecting, this); + + cPacket_Handshake Handshake; + Handshake.m_Username = cRoot::Get()->GetServer()->GetServerID(); + Send(Handshake); + LOG("User \"%s\" was sent a handshake", m_Username.c_str()); +} + + + + + +void cClientHandle::HandleLogin(cPacket_Login * a_Packet) +{ + LOG("LOGIN %s", m_Username.c_str()); + if (a_Packet->m_ProtocolVersion < m_ProtocolVersion) + { + Kick("Your client is outdated!"); + return; + } + else if (a_Packet->m_ProtocolVersion > m_ProtocolVersion) + { + Kick("Your client version is higher than the server!"); + return; + } + if (m_Username.compare(a_Packet->m_Username) != 0) + { + LOGWARNING("Login Username (\"%s\") does not match Handshake username (\"%s\") for client \"%s\")", + a_Packet->m_Username.c_str(), + m_Username.c_str(), + m_Socket.GetIPString().c_str() + ); + Kick("Hacked client"); // Don't tell them why we don't want them + return; + } + + if (cRoot::Get()->GetPluginManager()->CallHook(cPluginManager::E_PLUGIN_LOGIN, 1, a_Packet)) + { + Destroy(); + return; + } + + // Schedule for authentication; until then, let them wait (but do not block) + m_State = csAuthenticating; + cRoot::Get()->GetAuthenticator().Authenticate(GetUniqueID(), GetUsername(), cRoot::Get()->GetServer()->GetServerID()); +} + + + + + +void cClientHandle::HandleUnexpectedPacket(cPacket * a_Packet) +{ + LOGWARNING( + "Invalid packet in state %d: 0x%02x from client \"%s\", username \"%s\"", + m_State, + a_Packet->m_PacketID, + m_Socket.GetIPString().c_str(), + m_Username.c_str() + ); + Kick("Hacked client"); // Don't tell them why we don't like them +} + + + + + +void cClientHandle::HandleMoveLookConfirm(cPacket_PlayerMoveLook * a_Packet) +{ + Vector3d ReceivedPosition = Vector3d(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ); + + // Test the distance between points with a small/large enough value instead of comparing directly. Floating point inaccuracies might screw stuff up + double Dist = (ReceivedPosition - m_ConfirmPosition).SqrLength(); + if (Dist < 1.0) + { + // Test + if (ReceivedPosition.Equals(m_ConfirmPosition)) + { + LOGINFO("Exact position confirmed by client!"); + } + m_State = csPlaying; + } + else + { + LOGWARNING("Player \"%s\" sent a weird position confirmation %.2f blocks away, retrying", m_Username.c_str(), Dist); + m_ConfirmPosition = m_Player->GetPosition(); + Send(cPacket_PlayerMoveLook(m_Player)); + } +} + + + + + +void cClientHandle::HandleCreativeInventory(cPacket_CreativeInventoryAction * a_Packet) +{ + // This is for creative Inventory changes + if (m_Player->GetGameMode() == 1) + { + m_Player->GetInventory().Clicked(a_Packet); + } + else + { + LOGWARNING("Got a CreativeInventoryAction packet from user \"%s\" while not in creative mode. Ignoring.", m_Username.c_str()); + } +} + + + + + +void cClientHandle::HandlePlayerPos(cPacket_PlayerPosition * a_Packet) +{ + // LOG("recv player pos: %0.2f %0.2f %0.2f", PacketData->m_PosX, PacketData->m_PosY, PacketData->m_PosZ); + m_Player->MoveTo(Vector3d(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ)); + m_Player->SetStance(a_Packet->m_Stance); + m_Player->SetTouchGround(a_Packet->m_bFlying); +} + + + + + +void cClientHandle::HandleBlockDig(cPacket_BlockDig * a_Packet) +{ + if (!CheckBlockInteractionsRate()) + { + return; + } + + LOGD("OnBlockDig: {%i, %i, %i} Dir: %i Stat: %i", + a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ, + a_Packet->m_Direction, a_Packet->m_Status + ); + + // Do we want plugins to disable tossing items? Probably no, so toss item before asking plugins for permission + if (a_Packet->m_Status == 0x04) // Drop held item + { + m_Player->TossItem(false); + return; + } + + cWorld* World = m_Player->GetWorld(); + BLOCKTYPE OldBlock = World->GetBlock(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ); + NIBBLETYPE OldMeta = World->GetBlockMeta(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ); + + if (cRoot::Get()->GetPluginManager()->CallHook(cPluginManager::E_PLUGIN_BLOCK_DIG, 4, a_Packet, m_Player, OldBlock, OldMeta)) + { + // The plugin doesn't agree with the digging, replace the block on the client and quit: + World->SendBlockTo(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ, m_Player); + return; + } + + bool bBroken = ( + (a_Packet->m_Status == 0x02) || + (g_BlockOneHitDig[(int)OldBlock]) || + ((a_Packet->m_Status == 0x00) && (m_Player->GetGameMode() == 1)) + ); + + if ((OldBlock == E_BLOCK_WOODEN_DOOR) && !bBroken) + { + cDoors::ChangeDoor(m_Player->GetWorld(), a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ); + } + + cItems PickupItems; + if (bBroken && !(m_Player->GetGameMode() == 1)) // broken + { + cBlockToPickup::ToPickup(OldBlock, OldMeta, m_Player->GetInventory().GetEquippedItem(), PickupItems); + + // Allow plugins to change the dropped objects: + cRoot::Get()->GetPluginManager()->CallHookBlockToPickup(OldBlock, OldMeta, m_Player, m_Player->GetInventory().GetEquippedItem(), PickupItems); + } + + int pX = a_Packet->m_PosX; + unsigned char pY = a_Packet->m_PosY; + int pZ = a_Packet->m_PosZ; + + AddDirection(pX, pY, pZ, a_Packet->m_Direction); + + char PossibleBlock = World->GetBlock(pX, pY, pZ); + + if (PossibleBlock == E_BLOCK_FIRE) + { + a_Packet->m_PosX = pX; + a_Packet->m_PosY = pY; + a_Packet->m_PosZ = pZ; + bBroken = true; + } + + if (!bBroken) + { + return; + } + + if (!World->DigBlock(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ)) + { + return; + } + + World->SpawnItemPickups(PickupItems, a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ); + + switch (OldBlock) + { + case E_BLOCK_REDSTONE_TORCH_ON: + case E_BLOCK_REDSTONE_TORCH_OFF: + case E_BLOCK_REDSTONE_WIRE: + { + cRedstone Redstone(World); + Redstone.ChangeRedstone(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ, false); + break; + } + } + + if ((OldBlock == E_BLOCK_PISTON) || (OldBlock == E_BLOCK_STICKY_PISTON)) + { + int newX = a_Packet->m_PosX; + int newY = a_Packet->m_PosY; + int newZ = a_Packet->m_PosZ; + AddPistonDir(newX, newY, newZ, OldMeta & ~(8), 1); + if (World->GetBlock(newX, newY, newZ) == E_BLOCK_PISTON_EXTENSION) + { + World->SetBlock(newX, newY, newZ, E_BLOCK_AIR, 0); + } + } + + if (cDoors::IsDoor(OldBlock)) + { + // Special actions for destroyed door (Destroy second part) + if (OldMeta & 8) + { + // Was upper part of door + if (cDoors::IsDoor(World->GetBlock(a_Packet->m_PosX, a_Packet->m_PosY - 1, a_Packet->m_PosZ))) + { + World->SetBlock(a_Packet->m_PosX, a_Packet->m_PosY - 1, a_Packet->m_PosZ, E_BLOCK_AIR, 0); + } + } + else + { + // Was lower part + if (cDoors::IsDoor(World->GetBlock(a_Packet->m_PosX, a_Packet->m_PosY + 1, a_Packet->m_PosZ))) + { + World->SetBlock(a_Packet->m_PosX, a_Packet->m_PosY + 1, a_Packet->m_PosZ, E_BLOCK_AIR, 0); + } + } + } + + m_Player->UseEquippedItem(); +} + + + + + +void cClientHandle::HandleBlockPlace(cPacket_BlockPlace * a_Packet) +{ + if (!CheckBlockInteractionsRate()) + { + return; + } + + cItem & Equipped = m_Player->GetInventory().GetEquippedItem(); + + if ((Equipped.m_ItemID != a_Packet->m_ItemType)) // Not valid + { + LOGWARN("Player %s tried to place a block that was not equipped (exp %d, got %d)", + m_Username.c_str(), Equipped.m_ItemID, a_Packet->m_ItemType + ); + // TODO: We should probably send the current world block to the client, so that it can immediately "let the user know" that they haven't placed the block + return; + } + + if (cRoot::Get()->GetPluginManager()->CallHook(cPluginManager::E_PLUGIN_BLOCK_PLACE, 2, a_Packet, m_Player)) + { + if (a_Packet->m_Direction > -1) + { + AddDirection(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ, a_Packet->m_Direction); + m_Player->GetWorld()->SendBlockTo(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ, m_Player); + } + return; + } + + //LOG("%i %i %i %i %i %i", a_Packet->m_Count, a_Packet->m_Direction, a_Packet->m_ItemType, a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ); + + //printf("Place Dir:%i %i %i %i : %i\n", a_Packet->m_Direction, a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ, a_Packet->m_ItemType); + // 'use' useable items instead of placing blocks + bool bPlaceBlock = true; + bool UpdateRedstone = false; + bool AddedCurrent = false; + + if (a_Packet->m_Direction >= 0) + { + cWorld * World = m_Player->GetWorld(); + BLOCKTYPE BlockType = 0; + NIBBLETYPE BlockMeta; + World->GetBlockTypeMeta(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ, BlockType, BlockMeta); + switch (BlockType) + { + case E_BLOCK_REDSTONE_REPEATER_ON: + case E_BLOCK_REDSTONE_REPEATER_OFF: + { + // no need to update redstone current with a repeater + // Find meta value of repeater and change it to one step more: + World->FastSetBlock(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ, BlockType, ((BlockMeta + 0x04) & 0x0f)); + bPlaceBlock = false; + break; + } + + case E_BLOCK_WORKBENCH: + { + bPlaceBlock = false; + cWindow* Window = new cCraftingWindow(0, true); + m_Player->OpenWindow(Window); + break; + } + + case E_BLOCK_FURNACE: + case E_BLOCK_CHEST: + { + bPlaceBlock = false; + m_Player->GetWorld()->UseBlockEntity(m_Player, a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ); + break; + } + + case E_BLOCK_WOODEN_DOOR: + { + bPlaceBlock = false; + cDoors::ChangeDoor(m_Player->GetWorld(), a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ); + break; + } + + default: + { + break; + } + } // switch (BlockID) + } // if (Direction >= 0) + + // Some checks to see if it's a placeable item :P + if (bPlaceBlock) + { + cItem Item; + Item.m_ItemID = Equipped.m_ItemID; + Item.m_ItemCount = 1; + LOGD("Placing item of type %i at {%d, %d, %d}", + (int)a_Packet->m_ItemType, + a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ + ); + + if (m_Player->EatItem(Item.m_ItemID)) + { + m_Player->GetInventory().RemoveItem(Item); + return; + } + + if (a_Packet->m_Direction < 0) + { + // clicked in air + return; + } + bool isDoor = false; + + //TODO: Wrong Blocks! + BLOCKTYPE ClickedBlock = m_Player->GetWorld()->GetBlock(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ); + + if (ItemCategory::IsHoe(Item.m_ItemID)) + { + if ((ClickedBlock == E_BLOCK_DIRT) || (ClickedBlock == E_BLOCK_GRASS)) + { + m_Player->GetWorld()->FastSetBlock(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ, E_BLOCK_FARMLAND, 0); + } + return; + } + + NIBBLETYPE MetaData = (NIBBLETYPE)Equipped.m_ItemHealth; // This generally works for logs & planks, others will override + bool LavaBucket = false; + bool WaterBucket = false; + bool bRemoveItem = true; + bool bIgnoreCollision = false; + + if (ClickedBlock == E_BLOCK_STEP) + { + // Only make double slab if meta values are the same and if player clicked either on top or on bottom of the block (direction either 0 or 1) + // TODO check if it works from beneath + if (MetaData == ( m_Player->GetWorld()->GetBlockMeta(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ) & 0x7) && a_Packet->m_Direction <= 1) + //if (MetaData == m_Player->GetWorld()->GetBlockMeta(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ) && a_Packet->m_Direction == 1) + { + a_Packet->m_ItemType = E_BLOCK_DOUBLE_STEP; + if(a_Packet->m_Direction == 1) + { + a_Packet->m_PosY--; + } + else + { + a_Packet->m_PosY++; + } + bIgnoreCollision = true; + } + } + + // Special handling for special items: + switch (a_Packet->m_ItemType) + { + case E_ITEM_BUCKET: + { + // TODO: Change this, it is just a small hack to get it working a little bit. seems like the Client sends the position from the first hitable block :s + ClickedBlock = (int)m_Player->GetWorld()->GetBlock(a_Packet->m_PosX, a_Packet->m_PosY + 1, a_Packet->m_PosZ); + LOG("Bucket Clicked BlockID: %d", ClickedBlock); + switch (ClickedBlock) + { + case E_BLOCK_WATER: + case E_BLOCK_STATIONARY_WATER: + { + WaterBucket = true; + break; + } + case E_BLOCK_LAVA: + case E_BLOCK_STATIONARY_LAVA: + { + LavaBucket = true; + break; + } + } + break; + } // case E_ITEM_BUCKET + + case E_ITEM_LAVA_BUCKET: + { + if ((m_Player->GetGameMode() == 1) || (m_Player->GetInventory().RemoveItem(Item))) + { + a_Packet->m_ItemType = E_BLOCK_LAVA; + if (m_Player->GetGameMode() == 1) + { + break; //No new Bucket for creative players + } + + cItem NewItem; + NewItem.m_ItemID = E_ITEM_BUCKET; + NewItem.m_ItemCount = 1; + m_Player->GetInventory().AddItem(NewItem); + } + break; + } // case E_ITEM_LAVA_BUCKET + + case E_ITEM_WATER_BUCKET: + { + if ((m_Player->GetGameMode() == 1) || (m_Player->GetInventory().RemoveItem(Item))) + { + a_Packet->m_ItemType = E_BLOCK_WATER; + if (m_Player->GetGameMode() == 1) + { + break; //No new Bucket for creative players + } + cItem NewItem; + NewItem.m_ItemID = E_ITEM_BUCKET; + NewItem.m_ItemCount = 1; + m_Player->GetInventory().AddItem(NewItem); + } + break; + } + + case E_BLOCK_TORCH: + { + MetaData = cTorch::DirectionToMetaData(a_Packet->m_Direction); + break; + } + + case E_BLOCK_REDSTONE_TORCH_OFF: + { + MetaData = cTorch::DirectionToMetaData(a_Packet->m_Direction); + if (g_BlockTransparent[ (int)m_Player->GetWorld()->GetBlock(a_Packet->m_PosX, a_Packet->m_PosY+2, a_Packet->m_PosZ) ] == true) + { + //if block above is transparent + //printf("transparent above me\n"); + } + else + { + //printf("transparent not above me\n"); + } + UpdateRedstone = true; + AddedCurrent = false; + break; + } + + case E_BLOCK_REDSTONE_TORCH_ON: + { + MetaData = cTorch::DirectionToMetaData(a_Packet->m_Direction); + UpdateRedstone = true; + AddedCurrent = true; + break; + } + + case E_ITEM_REDSTONE_DUST: + { + MetaData = 0; + a_Packet->m_ItemType = E_BLOCK_REDSTONE_WIRE; + UpdateRedstone = true; + AddedCurrent = false; + break; + } + + case E_ITEM_REDSTONE_REPEATER: + { + MetaData = cRedstone::RepeaterRotationToMetaData(m_Player->GetRotation()); + a_Packet->m_ItemType = E_BLOCK_REDSTONE_REPEATER_OFF; + UpdateRedstone = true; + AddedCurrent = false; + break; + } + + case E_BLOCK_PISTON: + case E_BLOCK_STICKY_PISTON: + { + MetaData = cPiston::RotationPitchToMetaData(m_Player->GetRotation(), m_Player->GetPitch()); + UpdateRedstone = true; + AddedCurrent = false; + break; + } + + case E_ITEM_IRON_DOOR: + { + a_Packet->m_ItemType = E_BLOCK_IRON_DOOR; + MetaData = cDoors::RotationToMetaData(m_Player->GetRotation()); + isDoor = true; + break; + } + + case E_ITEM_WOODEN_DOOR: + { + a_Packet->m_ItemType = E_BLOCK_WOODEN_DOOR; + MetaData = cDoors::RotationToMetaData(m_Player->GetRotation()); + isDoor = true; + break; + } + + case E_BLOCK_CHEST: + case E_BLOCK_FURNACE: + case E_BLOCK_DISPENSER: + { + MetaData = cPiston::RotationPitchToMetaData(m_Player->GetRotation(), 0); // Same orientation as pistons, just ignore pitch + break; + } + + case E_BLOCK_STEP: + { + MetaData += cStep::DirectionToMetaData( a_Packet->m_Direction ); + break; + } + + case E_BLOCK_COBBLESTONE_STAIRS: + case E_BLOCK_BRICK_STAIRS: + case E_BLOCK_STONE_BRICK_STAIRS: + case E_BLOCK_NETHER_BRICK_STAIRS: + case E_BLOCK_WOODEN_STAIRS: + { + MetaData = cStairs::RotationToMetaData(m_Player->GetRotation(), a_Packet->m_Direction); + break; + } + case E_BLOCK_LADDER: + { + MetaData = cLadder::DirectionToMetaData(a_Packet->m_Direction); + break; + } + case E_ITEM_SIGN: + { + LOGD("Sign Dir: %i", a_Packet->m_Direction); + if (a_Packet->m_Direction == 1) + { + LOGD("Player Rotation: %f", m_Player->GetRotation()); + MetaData = cSign::RotationToMetaData(m_Player->GetRotation()); + LOGD("Sign rotation %i", MetaData); + a_Packet->m_ItemType = E_BLOCK_SIGN_POST; + } + else + { + MetaData = cSign::DirectionToMetaData(a_Packet->m_Direction); + a_Packet->m_ItemType = E_BLOCK_WALLSIGN; + } + break; + } + + case E_ITEM_FLINT_AND_STEEL: + { + a_Packet->m_ItemType = E_ITEM_FIRE; + m_Player->UseEquippedItem(); + bRemoveItem = false; + break; + } + case E_ITEM_SEEDS: + { + if (ClickedBlock != E_BLOCK_FARMLAND) + { + return; + } + a_Packet->m_ItemType = E_BLOCK_CROPS; + break; + } + case E_ITEM_MELON_SEEDS: + { + if (ClickedBlock != E_BLOCK_FARMLAND) + { + return; + } + a_Packet->m_ItemType = E_BLOCK_MELON_STEM; + break; + } + case E_ITEM_PUMPKIN_SEEDS: + { + if (ClickedBlock != E_BLOCK_FARMLAND) + { + return; + } + a_Packet->m_ItemType = E_BLOCK_PUMPKIN_STEM; + break; + } + case E_ITEM_DYE: + { + // Handle bonemeal and dyes on sheep + if (HandleDyes(a_Packet)) + { + if (m_Player->GetGameMode() == eGameMode_Survival) + { + m_Player->GetInventory().RemoveItem(Item); + } + return; + } + break; + } + case E_ITEM_SUGARCANE: + { + a_Packet->m_ItemType = E_BLOCK_SUGARCANE; + break; + } + default: + { + break; + } + } // switch (a_Packet->m_ItemType) + + + if (LavaBucket) + { + if ((m_Player->GetGameMode() == 1) || (m_Player->GetInventory().RemoveItem(Item))) { + cItem NewItem; + NewItem.m_ItemID = E_ITEM_LAVA_BUCKET; + NewItem.m_ItemCount = 1; + m_Player->GetInventory().AddItem(NewItem); + m_Player->GetWorld()->SetBlock(a_Packet->m_PosX, a_Packet->m_PosY + 1, a_Packet->m_PosZ, E_BLOCK_AIR, 0); + } + } + else if (WaterBucket) + { + if ((m_Player->GetGameMode() == 1) || (m_Player->GetInventory().RemoveItem(Item))) + { + cItem NewItem; + NewItem.m_ItemID = E_ITEM_WATER_BUCKET; + NewItem.m_ItemCount = 1; + m_Player->GetInventory().AddItem(NewItem); + m_Player->GetWorld()->SetBlock(a_Packet->m_PosX, a_Packet->m_PosY + 1, a_Packet->m_PosZ, E_BLOCK_AIR, 0); + } + } + else if (IsValidBlock(a_Packet->m_ItemType)) + { + int X = a_Packet->m_PosX; + int Y = a_Packet->m_PosY; + int Z = a_Packet->m_PosZ; + AddDirection(X, Y, Z, a_Packet->m_Direction); + + int PlaceBlock = m_Player->GetWorld()->GetBlock(X, Y, Z); + if ( + (PlaceBlock != E_BLOCK_AIR) + && (PlaceBlock != E_BLOCK_WATER) + && (PlaceBlock != E_BLOCK_STATIONARY_WATER) + && (PlaceBlock != E_BLOCK_LAVA) + && (PlaceBlock != E_BLOCK_STATIONARY_LAVA) + && !bIgnoreCollision + ) + { + //tried to place a block *into* another? + return; // happens when you place a block aiming at side of block like torch or stem + } + + // Check whether selected item is allowed to be placed on specific surface + if (!m_Player->GetWorld()->IsPlacingItemLegal(a_Packet->m_ItemType, X, Y, Z)) + { + // If we don't send the block, MC is happy placing cacti underwater: + m_Player->GetWorld()->SendBlockTo(X, Y, Z, m_Player); + return; + } + + if (bRemoveItem) + { + if ((m_Player->GetGameMode() != 1) && !m_Player->GetInventory().RemoveItem(Item)) + { + return; + } + } + + + if (isDoor) + { + if ((m_Player->GetWorld()->GetBlock(X, Y + 1, Z) == E_BLOCK_AIR) || (m_Player->GetWorld()->GetBlock(X, Y + 1, Z) == E_BLOCK_AIR)) + { + m_Player->GetWorld()->SetBlock(X, Y + 1, Z, (char)a_Packet->m_ItemType, MetaData + 8); + m_Player->GetWorld()->SetBlock(X, Y, Z, (char)a_Packet->m_ItemType, MetaData); + } + } + else + { + m_Player->GetWorld()->SetBlock(X, Y, Z, (char)a_Packet->m_ItemType, MetaData); + } + + if (UpdateRedstone) + { + cRedstone Redstone(m_Player->GetWorld()); + Redstone.ChangeRedstone(a_Packet->m_PosX, a_Packet->m_PosY + 1, a_Packet->m_PosZ, AddedCurrent); + } + } + } + + /* + // FakeTruth's "magic stick of removal" :D + // TODO: Turn this into a plugin + if (m_Username.compare("FakeTruth") == 0) + { + if (a_Packet->m_ItemType == 280) + { + cRoot::Get()->GetWorld()->SetBlock(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ, 0, 0); + } + } + */ +} + + + + + +void cClientHandle::HandlePickupSpawn(cPacket_PickupSpawn * a_Packet) +{ + LOG("Received packet E_PICKUP_SPAWN"); + + cItem DroppedItem; + DroppedItem.m_ItemID = (ENUM_ITEM_ID)a_Packet->m_Item; + DroppedItem.m_ItemCount = a_Packet->m_Count; + DroppedItem.m_ItemHealth = 0x0; // TODO: Somehow figure out what item was dropped, and apply correct health + if (m_Player->GetInventory().RemoveItem(DroppedItem)) + { + cPickup * Pickup = new cPickup(a_Packet); + Pickup->Initialize(m_Player->GetWorld()); + } +} + + + + + +void cClientHandle::HandleChat(cPacket_Chat * a_Packet) +{ + if (!cRoot::Get()->GetServer()->Command(*this, a_Packet->m_Message.c_str())) + { + a_Packet->m_Message.insert(0, "<" + m_Player->GetColor() + m_Username + cChatColor::White + "> "); + cRoot::Get()->GetServer()->Broadcast(*a_Packet); + } +} + + + + + +void cClientHandle::HandlePlayerLook(cPacket_PlayerLook * a_Packet) +{ + m_Player->SetRotation (a_Packet->m_Rotation); + m_Player->SetPitch (a_Packet->m_Pitch); + m_Player->SetTouchGround(a_Packet->m_bFlying); + m_Player->WrapRotation(); +} + + + + + +void cClientHandle::HandlePlayerMoveLook(cPacket_PlayerMoveLook * a_Packet) +{ + m_Player->MoveTo(Vector3d(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ)); + m_Player->SetStance (a_Packet->m_Stance); + m_Player->SetTouchGround(a_Packet->m_bFlying); + m_Player->SetRotation (a_Packet->m_Rotation); + m_Player->SetPitch (a_Packet->m_Pitch); + m_Player->WrapRotation(); +} + + + + + +void cClientHandle::HandleAnimation(cPacket_ArmAnim * a_Packet) +{ + a_Packet->m_EntityID = m_Player->GetUniqueID(); + cRoot::Get()->GetServer()->Broadcast(*a_Packet, this); +} + + + + + +void cClientHandle::HandleItemSwitch(cPacket_ItemSwitch * a_Packet) +{ + m_Player->GetInventory().SetEquippedSlot(a_Packet->m_SlotNum); + + cPacket_EntityEquipment Equipment; + Equipment.m_ItemID = (short)m_Player->GetInventory().GetEquippedItem().m_ItemID; + Equipment.m_Slot = 0; + Equipment.m_UniqueID = m_Player->GetUniqueID(); + cRoot::Get()->GetServer()->Broadcast(Equipment, this); +} + + + + + +void cClientHandle::HandleWindowClose(cPacket_WindowClose * a_Packet) +{ + m_Player->CloseWindow(a_Packet->m_Close); +} + + + + + +void cClientHandle::HandleWindowClick(cPacket_WindowClick * a_Packet) +{ + if (a_Packet->m_WindowID == 0) + { + m_Player->GetInventory().Clicked(a_Packet); + return; + } + + cWindow * Window = m_Player->GetWindow(); + if (Window == NULL) + { + LOGWARNING("Player \"%s\" clicked in a non-existent window. Ignoring", m_Username.c_str()); + return; + } + + Window->Clicked(a_Packet, *m_Player); +} + + + + + +void cClientHandle::HandleUpdateSign(cPacket_UpdateSign * a_Packet) +{ + cWorld * World = m_Player->GetWorld(); + World->UpdateSign(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ, a_Packet->m_Line1, a_Packet->m_Line2, a_Packet->m_Line3, a_Packet->m_Line4); +} + + + + + +void cClientHandle::HandleUseEntity(cPacket_UseEntity * a_Packet) +{ + if (!a_Packet->m_bLeftClick) + { + return; + } + + class cDamageEntity : public cEntityCallback + { + virtual bool Item(cEntity * a_Entity) override + { + if( a_Entity->IsA("cPawn") ) + { + reinterpret_cast< cPawn* >( a_Entity )->TakeDamage(Damage, Instigator ); + } + return true; + } + public: + int Damage; + cEntity * Instigator; + } Callback; + + Callback.Damage = 1; // TODO: Find proper damage from current item equipped + Callback.Instigator = m_Player; + + cWorld * World = m_Player->GetWorld(); + World->DoWithEntity( a_Packet->m_TargetID, Callback ); +} + + + + + +void cClientHandle::HandleRespawn(void) +{ + m_Player->Respawn(); +} + + + + + +void cClientHandle::HandleDisconnect(cPacket_Disconnect * a_Packet) +{ + LOG("Received d/c packet from \"%s\"", m_Username.c_str()); + if (!cRoot::Get()->GetPluginManager()->CallHook(cPluginManager::E_PLUGIN_DISCONNECT, 2, a_Packet->m_Reason.c_str(), m_Player)) + { + cPacket_Chat DisconnectMessage(m_Username + " disconnected: " + a_Packet->m_Reason); + cRoot::Get()->GetServer()->Broadcast(DisconnectMessage); + } + Destroy(); +} + + + + + +void cClientHandle::HandleKeepAlive(cPacket_KeepAlive * a_Packet) +{ + if (a_Packet->m_KeepAliveID == m_PingID) + { + cTimer t1; + m_Ping = (short)((t1.GetNowTime() - m_PingStartTime) / 2); + } +} + + + + + +bool cClientHandle::HandleDyes(cPacket_BlockPlace * a_Packet) +{ + cItem & Equipped = m_Player->GetInventory().GetEquippedItem(); + + // TODO: Handle coloring the sheep, too + + // Handle growing the plants: + if (Equipped.m_ItemHealth == E_META_DYE_WHITE) + { + cWorld * World = m_Player->GetWorld(); + return World->GrowPlant(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ, true); + } + + return false; +} + + + + + +bool cClientHandle::CheckBlockInteractionsRate(void) +{ + ASSERT(m_Player != NULL); + ASSERT(m_Player->GetWorld() != NULL); + int LastActionCnt = m_Player->GetLastBlockActionCnt(); + if ((m_Player->GetWorld()->GetTime() - m_Player->GetLastBlockActionTime()) < 0.1) + { + // Limit the number of block interactions per tick + m_Player->SetLastBlockActionTime(); //Player tried to interact with a block. Reset last block interation time. + m_Player->SetLastBlockActionCnt(LastActionCnt + 1); + if (m_Player->GetLastBlockActionCnt() > MAXBLOCKCHANGEINTERACTIONS) + { + // Kick if more than MAXBLOCKCHANGEINTERACTIONS per tick + LOGWARN("Player %s tried to interact with a block too quickly! (could indicate bot) Was Kicked.", m_Username.c_str()); + Kick("You're a baaaaaad boy!"); + return false; + } + } + else + { + m_Player->SetLastBlockActionCnt(0); // Reset count + m_Player->SetLastBlockActionTime(); // Player tried to interact with a block. Reset last block interation time. + } + return true; +} + + + + + +void cClientHandle::Tick(float a_Dt) +{ + (void)a_Dt; + if (cWorld::GetTime() - m_TimeLastPacket > 30.f) // 30 seconds time-out + { + cPacket_Disconnect DC("Nooooo!! You timed out! D: Come back!"); + m_Socket.Send(&DC); + + // TODO: Cannot sleep in the tick thread! + cSleep::MilliSleep(1000); // Give packet some time to be received + + Destroy(); + } + + cTimer t1; + // Send ping packet + if (m_LastPingTime + cClientHandle::PING_TIME_MS <= t1.GetNowTime()) + { + m_PingID++; + cPacket_KeepAlive Ping(m_PingID); + m_PingStartTime = t1.GetNowTime(); + Send(Ping); + m_LastPingTime = m_PingStartTime; + } +} + + + + + +void cClientHandle::Send(const cPacket & a_Packet, ENUM_PRIORITY a_Priority /* = E_PRIORITY_NORMAL */) +{ + if (m_bKicking) return; // Don't add more packets if player is getting kicked anyway + + // If it is the packet spawning myself for myself, drop it silently: + if (a_Packet.m_PacketID == E_NAMED_ENTITY_SPAWN) + { + if (((cPacket_NamedEntitySpawn &)a_Packet).m_UniqueID == m_Player->GetUniqueID()) + { + return; + } + } + + // Filter out packets that don't belong to a csDownloadingWorld state: + if (m_State == csDownloadingWorld) + { + switch (a_Packet.m_PacketID) + { + case E_PLAYERMOVELOOK: + case E_KEEP_ALIVE: + case E_PRE_CHUNK: + case E_MAP_CHUNK: + { + // Allow + break; + } + default: return; + } + } + + // Filter out map chunks that the client doesn't want anymore: + if (a_Packet.m_PacketID == E_MAP_CHUNK) + { + // Check chunks being sent, erase them from m_ChunksToSend: + int ChunkX = ((cPacket_MapChunk &)a_Packet).m_PosX; + int ChunkZ = ((cPacket_MapChunk &)a_Packet).m_PosZ; + bool Found = false; + cCSLock Lock(m_CSChunkLists); + for (cChunkCoordsList::iterator itr = m_ChunksToSend.begin(); itr != m_ChunksToSend.end(); ++itr) + { + if ((itr->m_ChunkX == ChunkX) && (itr->m_ChunkZ == ChunkZ)) + { + m_ChunksToSend.erase(itr); + CheckIfWorldDownloaded(); + Found = true; + break; + } + } // for itr - m_ChunksToSend[] + if (!Found) + { + // This just sometimes happens. If you have a reliably replicatable situation for this, go ahead and fix it + // It's not a big issue anyway, just means that some chunks may be compressed several times + // LOGD("Refusing to send chunk [%d, %d] to client \"%s\" at [%d, %d].", ChunkX, ChunkZ, m_Username.c_str(), m_Player->GetChunkX(), m_Player->GetChunkZ()); + return; + } + } + + // Filter out pre chunks that the client doesn't want anymore: + if ((a_Packet.m_PacketID == E_PRE_CHUNK) && ((cPacket_PreChunk &)a_Packet).m_bLoad) + { + int ChunkX = ((cPacket_PreChunk &)a_Packet).m_PosX; + int ChunkZ = ((cPacket_PreChunk &)a_Packet).m_PosZ; + bool Found = false; + cCSLock Lock(m_CSChunkLists); + for (cChunkCoordsList::iterator itr = m_ChunksToSend.begin(); itr != m_ChunksToSend.end(); ++itr) + { + if ((itr->m_ChunkX == ChunkX) && (itr->m_ChunkZ == ChunkZ)) + { + Found = true; + break; + } + } // for itr - m_ChunksToSend[] + if (!Found) + { + // This just sometimes happens. If you have a reliably replicatable situation for this, go ahead and fix it + // It's not a big issue anyway, just means that some chunks may be compressed several times + // LOGD("Refusing to send PREchunk [%d, %d] to client \"%s\" at [%d, %d].", ChunkX, ChunkZ, m_Username.c_str(), m_Player->GetChunkX(), m_Player->GetChunkZ()); + return; + } + } + + // Optimize away multiple queued RelativeEntityMoveLook packets: + cCSLock Lock(m_CSPackets); + if (a_Priority == E_PRIORITY_NORMAL) + { + if (a_Packet.m_PacketID == E_REL_ENT_MOVE_LOOK) + { + PacketList & Packets = m_PendingNrmSendPackets; + const cPacket_RelativeEntityMoveLook & ThisPacketData = reinterpret_cast< const cPacket_RelativeEntityMoveLook &>(a_Packet); + for (PacketList::iterator itr = Packets.begin(); itr != Packets.end(); ++itr) + { + bool bBreak = false; + switch ((*itr)->m_PacketID) + { + case E_REL_ENT_MOVE_LOOK: + { + cPacket_RelativeEntityMoveLook * PacketData = reinterpret_cast< cPacket_RelativeEntityMoveLook *>(*itr); + if (ThisPacketData.m_UniqueID == PacketData->m_UniqueID) + { + Packets.erase(itr); + bBreak = true; + delete PacketData; + break; + } + break; + } // case E_REL_END_MOVE_LOOK + } // switch (*itr -> Packet type) + if (bBreak) + { + break; + } + } // for itr - Packets[] + } // if (E_REL_ENT_MOVE_LOOK + m_PendingNrmSendPackets.push_back(a_Packet.Clone()); + } + else if (a_Priority == E_PRIORITY_LOW) + { + m_PendingLowSendPackets.push_back(a_Packet.Clone()); + } + Lock.Unlock(); + + // Notify SocketThreads that we have something to write: + cRoot::Get()->GetServer()->NotifyClientWrite(this); +} + + + + + +void cClientHandle::CheckIfWorldDownloaded(void) +{ + if (m_State != csDownloadingWorld) + { + return; + } + cCSLock Lock(m_CSChunkLists); + if (m_ChunksToSend.empty()) + { + SendConfirmPosition(); + } +} + + + + + +void cClientHandle::SendConfirmPosition(void) +{ + LOG("Spawning player \"%s\" at {%.2f, %.2f, %.2f}", + m_Username.c_str(), m_Player->GetPosX(), m_Player->GetPosY(), m_Player->GetPosZ() + ); + + m_State = csConfirmingPos; + + if (!cRoot::Get()->GetPluginManager()->CallHook(cPluginManager::E_PLUGIN_PLAYER_JOIN, 1, m_Player)) + { + // Broadcast that this player has joined the game! Yay~ + cPacket_Chat Joined(m_Username + " joined the game!"); + cRoot::Get()->GetServer()->Broadcast(Joined, this); + } + + m_ConfirmPosition = m_Player->GetPosition(); + Send(cPacket_PlayerMoveLook(m_Player)); +} + + + + + +const AString & cClientHandle::GetUsername(void) const +{ + return m_Username; +} + + + + + +void cClientHandle::SetViewDistance(int a_ViewDistance) +{ + if (a_ViewDistance < MIN_VIEW_DISTANCE) + { + a_ViewDistance = MIN_VIEW_DISTANCE; + } + if (a_ViewDistance > MAX_VIEW_DISTANCE) + { + a_ViewDistance = MAX_VIEW_DISTANCE; + } + m_ViewDistance = a_ViewDistance; + + // Need to re-stream chunks for the change to become apparent: + StreamChunks(); +} + + + + + +bool cClientHandle::WantsSendChunk(int a_ChunkX, int a_ChunkY, int a_ChunkZ) +{ + cCSLock Lock(m_CSChunkLists); + return (std::find(m_ChunksToSend.begin(), m_ChunksToSend.end(), cChunkCoords(a_ChunkX, a_ChunkY, a_ChunkZ)) != m_ChunksToSend.end()); +} + + + + + +void cClientHandle::AddWantedChunk(int a_ChunkX, int a_ChunkZ) +{ + LOGD("Adding chunk [%d, %d] to wanted chunks for client %p", a_ChunkX, a_ChunkZ, this); + cCSLock Lock(m_CSChunkLists); + if (std::find(m_ChunksToSend.begin(), m_ChunksToSend.end(), cChunkCoords(a_ChunkX, ZERO_CHUNK_Y, a_ChunkZ)) == m_ChunksToSend.end()) + { + m_ChunksToSend.push_back(cChunkCoords(a_ChunkX, ZERO_CHUNK_Y, a_ChunkZ)); + } +} + + + + + +void cClientHandle::DataReceived(const char * a_Data, int a_Size) +{ + // Data is received from the client + + m_ReceivedData.append(a_Data, a_Size); + + // Parse and handle all complete packets in m_ReceivedData: + while (!m_ReceivedData.empty()) + { + cPacket* pPacket = m_PacketMap[(unsigned char)m_ReceivedData[0]]; + if (pPacket == NULL) + { + LOGERROR("Unknown packet type 0x%02x from client \"%s\"", (unsigned char)m_ReceivedData[0], m_Username.c_str()); + + AString Reason; + Printf(Reason, "[C->S] Unknown PacketID: 0x%02x", (unsigned char)m_ReceivedData[0]); + cPacket_Disconnect DC(Reason); + m_Socket.Send(&DC); + cSleep::MilliSleep(1000); // Give packet some time to be received + Destroy(); + return; + } + + int NumBytes = pPacket->Parse(m_ReceivedData.data() + 1, m_ReceivedData.size() - 1); + if (NumBytes == PACKET_ERROR) + { + LOGERROR("Protocol error while parsing packet type 0x%02x; disconnecting client \"%s\"", (unsigned char)m_ReceivedData[0], m_Username.c_str()); + cPacket_Disconnect DC("Protocol error"); + m_Socket.Send(&DC); + cSleep::MilliSleep(1000); // Give packet some time to be received + Destroy(); + return; + } + else if (NumBytes == PACKET_INCOMPLETE) + { + // Not a complete packet + break; + } + else + { + // Packet parsed successfully, add it to internal queue: + HandlePacket(pPacket); + // Erase the packet from the buffer: + ASSERT(m_ReceivedData.size() > (size_t)NumBytes); + m_ReceivedData.erase(0, NumBytes + 1); + } + } // while (!Received.empty()) +} + + + + + +void cClientHandle::GetOutgoingData(AString & a_Data) +{ + // Data can be sent to client + + cCSLock Lock(m_CSPackets); + if (m_PendingNrmSendPackets.size() + m_PendingLowSendPackets.size() > MAX_OUTGOING_PACKETS) + { + LOGERROR("ERROR: Too many packets in queue for player %s !!", m_Username.c_str()); + cPacket_Disconnect DC("Too many packets in queue."); + m_Socket.Send(DC); + + // DEBUG: Dump all outstanding packets' types to the log: + int Idx = 0; + int ChunkX = m_Player->GetChunkX(); + int ChunkZ = m_Player->GetChunkZ(); + for (PacketList::const_iterator itr = m_PendingNrmSendPackets.begin(); itr != m_PendingNrmSendPackets.end(); ++itr) + { + switch ((*itr)->m_PacketID) + { + case E_MAP_CHUNK: + { + int x = ((cPacket_MapChunk *)(*itr))->m_PosX; + int z = ((cPacket_MapChunk *)(*itr))->m_PosZ; + bool IsWanted = (abs(x - ChunkX) <= m_ViewDistance) && (abs(z - ChunkZ) <= m_ViewDistance); + LOG("Packet %4d: type %2x (MapChunk: %d, %d, %s)", + Idx++, (*itr)->m_PacketID, + x, z, + IsWanted ? "wanted" : "unwanted" + ); + break; + } + + case E_PRE_CHUNK: + { + int x = ((cPacket_PreChunk *)(*itr))->m_PosX; + int z = ((cPacket_PreChunk *)(*itr))->m_PosZ; + bool IsWanted = (abs(x - ChunkX) <= m_ViewDistance) && (abs(z - ChunkZ) <= m_ViewDistance); + bool Loading = ((cPacket_PreChunk *)(*itr))->m_bLoad; + LOG("Packet %4d: type %2x (PreChunk: %d, %d, %s, %s)", + Idx++, (*itr)->m_PacketID, + x, z, + Loading ? "loading" : "unloading", + IsWanted ? "wanted" : "unwanted" + ); + break; + } + + case E_BLOCK_CHANGE: + { + int x = ((cPacket_BlockChange *)(*itr))->m_PosX; + int z = ((cPacket_BlockChange *)(*itr))->m_PosZ; + char ToBlock = ((cPacket_BlockChange *)(*itr))->m_BlockType; + int y, cx, cz; + cChunkDef::AbsoluteToRelative(x, y, z, cx, cz); + bool IsWanted = (abs(cx - ChunkX) <= m_ViewDistance) && (abs(cz - ChunkZ) <= m_ViewDistance); + LOG("Packet %4d: type %2x (BlockChange: [%d, %d], %s chunk; to block %d)", + Idx++, (*itr)->m_PacketID, + cx, cz, + IsWanted ? "wanted" : "unwanted", + ToBlock + ); + break; + } + + case E_MULTI_BLOCK: + { + int cx = ((cPacket_MultiBlock *)(*itr))->m_ChunkX; + int cz = ((cPacket_MultiBlock *)(*itr))->m_ChunkZ; + int NumBlocks = ((cPacket_MultiBlock *)(*itr))->m_NumBlocks; + bool IsWanted = (abs(cx - ChunkX) <= m_ViewDistance) && (abs(cz - ChunkZ) <= m_ViewDistance); + LOG("Packet %4d: type %2x (MultiBlock: [%d, %d], %s chunk, %d blocks)", + Idx++, (*itr)->m_PacketID, + cx, cz, + IsWanted ? "wanted" : "unwanted", + NumBlocks + ); + break; + } + + default: + { + LOG("Packet %4d: type %2x", Idx++, (*itr)->m_PacketID); + break; + } + } + } + + Lock.Unlock(); + Destroy(); + return; + } + + if ((m_PendingNrmSendPackets.size() == 0) && (m_PendingLowSendPackets.size() == 0)) + { + return; + } + + if (m_PendingNrmSendPackets.size() > MAX_OUTGOING_PACKETS / 2) + { + LOGINFO("Suspiciously many pending packets: %i; client \"%s\", LastType: 0x%02x", m_PendingNrmSendPackets.size(), m_Username.c_str(), (*m_PendingNrmSendPackets.rbegin())->m_PacketID); + } + + AString Data; + Data.reserve(1100); + // Serialize normal-priority packets up to 1000 bytes + while (!m_PendingNrmSendPackets.empty() && (Data.size() < 1000)) + { + m_PendingNrmSendPackets.front()->Serialize(Data); + delete m_PendingNrmSendPackets.front(); + m_PendingNrmSendPackets.erase(m_PendingNrmSendPackets.begin()); + } + // Serialize one low-priority packet: + if (!m_PendingLowSendPackets.empty() && Data.empty()) + { + m_PendingLowSendPackets.front()->Serialize(Data); + delete m_PendingLowSendPackets.front(); + m_PendingLowSendPackets.erase(m_PendingLowSendPackets.begin()); + } + Lock.Unlock(); + + a_Data.append(Data); + + // Disconnect player after all packets have been sent + if (m_bKicking && (m_PendingNrmSendPackets.size() + m_PendingLowSendPackets.size() == 0)) + { + Destroy(); + } +} + + + + + +void cClientHandle::SocketClosed(void) +{ + // The socket has been closed for any reason + + // TODO + /* + self->Destroy(); + LOG("Client \"%s\" disconnected", GetLogName().c_str()); + */ +} + + + + |