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-rw-r--r--src/ClientHandle.cpp109
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);
}