diff options
Diffstat (limited to 'src/ClientHandle.cpp')
| -rw-r--r-- | src/ClientHandle.cpp | 109 |
1 files changed, 68 insertions, 41 deletions
diff --git a/src/ClientHandle.cpp b/src/ClientHandle.cpp index e4bb9d8e9..efa734b44 100644 --- a/src/ClientHandle.cpp +++ b/src/ClientHandle.cpp @@ -30,7 +30,7 @@ #include "CompositeChat.h" #include "Items/ItemSword.h" -#include "md5/md5.h" +#include "polarssl/md5.h" @@ -232,22 +232,49 @@ AString cClientHandle::FormatMessageType(bool ShouldAppendChatPrefixes, eMessage AString cClientHandle::GenerateOfflineUUID(const AString & a_Username) { + // Online UUIDs are always version 4 (random) + // We use Version 3 (MD5 hash) UUIDs for the offline UUIDs + // This guarantees that they will never collide with an online UUID and can be distinguished. // Proper format for a version 3 UUID is: // xxxxxxxx-xxxx-3xxx-yxxx-xxxxxxxxxxxx where x is any hexadecimal digit and y is one of 8, 9, A, or B // Generate an md5 checksum, and use it as base for the ID: - MD5 Checksum(a_Username); - AString UUID = Checksum.hexdigest(); - UUID[12] = '3'; // Version 3 UUID - UUID[16] = '8'; // Variant 1 UUID - - // Now the digest doesn't have the UUID slashes, but the client requires them, so add them into the appropriate positions: - UUID.insert(8, "-"); - UUID.insert(13, "-"); - UUID.insert(18, "-"); - UUID.insert(23, "-"); - - return UUID; + unsigned char MD5[16]; + md5((const unsigned char *)a_Username.c_str(), a_Username.length(), MD5); + MD5[6] &= 0x0f; // Need to trim to 4 bits only... + MD5[8] &= 0x0f; // ... otherwise %01x overflows into two chars + return Printf("%02x%02x%02x%02x-%02x%02x-3%01x%02x-8%01x%02x-%02x%02x%02x%02x%02x%02x", + MD5[0], MD5[1], MD5[2], MD5[3], + MD5[4], MD5[5], MD5[6], MD5[7], + MD5[8], MD5[9], MD5[10], MD5[11], + MD5[12], MD5[13], MD5[14], MD5[15] + ); +} + + + + + +bool cClientHandle::IsUUIDOnline(const AString & a_UUID) +{ + // Online UUIDs are always version 4 (random) + // We use Version 3 (MD5 hash) UUIDs for the offline UUIDs + // This guarantees that they will never collide with an online UUID and can be distinguished. + // The version-specifying char is at pos #12 of raw UUID, pos #14 in dashed-UUID. + switch (a_UUID.size()) + { + case 32: + { + // This is the UUID format without dashes, the version char is at pos #12: + return (a_UUID[12] == '4'); + } + case 36: + { + // This is the UUID format with dashes, the version char is at pos #14: + return (a_UUID[14] == '4'); + } + } + return false; } @@ -336,6 +363,9 @@ void cClientHandle::Authenticate(const AString & a_Name, const AString & a_UUID) // Send scoreboard data World->GetScoreBoard().SendTo(*this); + // Send statistics + SendStatistics(m_Player->GetStatManager()); + // Delay the first ping until the client "settles down" // This should fix #889, "BadCast exception, cannot convert bit to fm" error in client cTimer t1; @@ -953,6 +983,26 @@ void cClientHandle::HandleBlockDigStarted(int a_BlockX, int a_BlockY, int a_Bloc m_LastDigBlockY = a_BlockY; m_LastDigBlockZ = a_BlockZ; + // Check for clickthrough-blocks: + /* When the user breaks a fire block, the client send the wrong block location. + We must find the right block with the face direction. */ + if (a_BlockFace != BLOCK_FACE_NONE) + { + int pX = a_BlockX; + int pY = a_BlockY; + int pZ = a_BlockZ; + + AddFaceDirection(pX, pY, pZ, a_BlockFace); // Get the block in front of the clicked coordinates (m_bInverse defaulted to false) + cBlockHandler * Handler = cBlockInfo::GetHandler(m_Player->GetWorld()->GetBlock(pX, pY, pZ)); + + if (Handler->IsClickedThrough()) + { + cChunkInterface ChunkInterface(m_Player->GetWorld()->GetChunkMap()); + Handler->OnDigging(ChunkInterface, *m_Player->GetWorld(), m_Player, pX, pY, pZ); + return; + } + } + if ( (m_Player->IsGameModeCreative()) || // In creative mode, digging is done immediately cBlockInfo::IsOneHitDig(a_OldBlock) // One-hit blocks get destroyed immediately, too @@ -979,22 +1029,6 @@ void cClientHandle::HandleBlockDigStarted(int a_BlockX, int a_BlockY, int a_Bloc cItemHandler * ItemHandler = cItemHandler::GetItemHandler(m_Player->GetEquippedItem()); ItemHandler->OnDiggingBlock(World, m_Player, m_Player->GetEquippedItem(), a_BlockX, a_BlockY, a_BlockZ, a_BlockFace); - - // Check for clickthrough-blocks: - if (a_BlockFace != BLOCK_FACE_NONE) - { - int pX = a_BlockX; - int pY = a_BlockY; - int pZ = a_BlockZ; - - AddFaceDirection(pX, pY, pZ, a_BlockFace); // Get the block in front of the clicked coordinates (m_bInverse defaulted to false) - Handler = cBlockInfo::GetHandler(World->GetBlock(pX, pY, pZ)); - - if (Handler->IsClickedThrough()) - { - Handler->OnDigging(ChunkInterface, *World, m_Player, pX, pY, pZ); - } - } } @@ -1052,12 +1086,7 @@ void cClientHandle::HandleBlockDigFinished(int a_BlockX, int a_BlockY, int a_Blo void cClientHandle::FinishDigAnimation() { - if ( - !m_HasStartedDigging || // Hasn't received the DIG_STARTED packet - (m_LastDigBlockX == -1) || - (m_LastDigBlockY == -1) || - (m_LastDigBlockZ == -1) - ) + if (!m_HasStartedDigging) // Hasn't received the DIG_STARTED packet { return; } @@ -1194,9 +1223,7 @@ void cClientHandle::HandleRightClick(int a_BlockX, int a_BlockY, int a_BlockZ, e { // A plugin won't let us eat, abort (send the proper packets to the client, too): m_Player->AbortEating(); - return; } - return; } else { @@ -2044,9 +2071,9 @@ void cClientHandle::SendChunkData(int a_ChunkX, int a_ChunkZ, cChunkDataSerializ -void cClientHandle::SendCollectPickup(const cPickup & a_Pickup, const cPlayer & a_Player) +void cClientHandle::SendCollectEntity(const cEntity & a_Entity, const cPlayer & a_Player) { - m_Protocol->SendCollectPickup(a_Pickup, a_Player); + m_Protocol->SendCollectEntity(a_Entity, a_Player); } @@ -2368,9 +2395,9 @@ void cClientHandle::SendRemoveEntityEffect(const cEntity & a_Entity, int a_Effec -void cClientHandle::SendRespawn(const cWorld & a_World) +void cClientHandle::SendRespawn(const cWorld & a_World, bool a_ShouldIgnoreDimensionChecks) { - m_Protocol->SendRespawn(a_World); + m_Protocol->SendRespawn(a_World, a_ShouldIgnoreDimensionChecks); } |