From e15e30a030c6013d3ae631188ad8a790c627e9aa Mon Sep 17 00:00:00 2001 From: Tiger Wang Date: Fri, 13 Mar 2015 22:29:27 +0000 Subject: Fixed confusion over Item Frame directions --- src/Entities/HangingEntity.cpp | 55 ++---------------------- src/Entities/HangingEntity.h | 75 +++++++++++++++++++++++++++------ src/WorldStorage/NBTChunkSerializer.cpp | 22 ++-------- src/WorldStorage/WSSAnvil.cpp | 44 +++---------------- 4 files changed, 76 insertions(+), 120 deletions(-) diff --git a/src/Entities/HangingEntity.cpp b/src/Entities/HangingEntity.cpp index a6b9c40c8..a3d05204a 100644 --- a/src/Entities/HangingEntity.cpp +++ b/src/Entities/HangingEntity.cpp @@ -11,7 +11,7 @@ cHangingEntity::cHangingEntity(eEntityType a_EntityType, eBlockFace a_Facing, double a_X, double a_Y, double a_Z) : cEntity(a_EntityType, a_X, a_Y, a_Z, 0.8, 0.8), - m_Facing(a_Facing) + m_Facing(cHangingEntity::BlockFaceToProtocolFace(a_Facing)) { SetMaxHealth(1); SetHealth(1); @@ -21,59 +21,10 @@ cHangingEntity::cHangingEntity(eEntityType a_EntityType, eBlockFace a_Facing, do -void cHangingEntity::SetFacing(eBlockFace a_Facing) -{ - // Y-based faces are not allowed: - switch (a_Facing) - { - case BLOCK_FACE_NONE: - case BLOCK_FACE_YM: - case BLOCK_FACE_YP: - { - LOGWARNING("%s: Invalid facing: %d. Ignoring.", __FUNCTION__, a_Facing); - ASSERT(!"Tried to set a bad facing!"); - return; - } - default: break; - } - - m_Facing = a_Facing; -} - - - - - void cHangingEntity::SpawnOn(cClientHandle & a_ClientHandle) { - int Dir = 0; - - // The client uses different values for item frame directions and block faces. Our constants are for the block faces, so we convert them here to item frame faces - switch (m_Facing) - { - case BLOCK_FACE_ZP: Dir = 0; break; - case BLOCK_FACE_ZM: Dir = 2; break; - case BLOCK_FACE_XM: Dir = 1; break; - case BLOCK_FACE_XP: Dir = 3; break; - default: - { - LOGINFO("Invalid facing (%d) in a cHangingEntity at {%d, %d, %d}, adjusting to BLOCK_FACE_XP.", - m_Facing, (int)GetPosX(), (int)GetPosY(), (int)GetPosZ() - ); - Dir = 3; - } - } - - if ((Dir == 0) || (Dir == 2)) // Probably a client bug, but two directions are flipped and contrary to the norm, so we do -180 - { - SetYaw((Dir * 90) - 180); - } - else - { - SetYaw(Dir * 90); - } - - a_ClientHandle.SendSpawnObject(*this, 71, Dir, (Byte)GetYaw(), (Byte)GetPitch()); + SetYaw(GetProtocolFacing() * 90); + a_ClientHandle.SendSpawnObject(*this, 71, GetProtocolFacing(), (Byte)GetYaw(), (Byte)GetPitch()); a_ClientHandle.SendEntityMetadata(*this); } diff --git a/src/Entities/HangingEntity.h b/src/Entities/HangingEntity.h index d1ef79a68..de93a73fe 100644 --- a/src/Entities/HangingEntity.h +++ b/src/Entities/HangingEntity.h @@ -24,28 +24,77 @@ public: // tolua_begin /** Returns the direction in which the entity is facing. */ - eBlockFace GetFacing() const { return m_Facing; } - + eBlockFace GetFacing() const { return cHangingEntity::ProtocolFaceToBlockFace(m_Facing); } + /** Set the direction in which the entity is facing. */ - void SetFacing(eBlockFace a_Facing); - - /** Returns the X coord of the block in which the entity resides. */ - int GetBlockX() const { return POSX_TOINT; } - - /** Returns the Y coord of the block in which the entity resides. */ - int GetBlockY() const { return POSY_TOINT; } - - /** Returns the Z coord of the block in which the entity resides. */ - int GetBlockZ() const { return POSZ_TOINT; } + void SetFacing(eBlockFace a_Facing) { m_Facing = cHangingEntity::BlockFaceToProtocolFace(a_Facing); } // tolua_end + /** Returns the direction in which the entity is facing. */ + Byte GetProtocolFacing() const { return m_Facing; } + + /** Set the direction in which the entity is facing. */ + void SetProtocolFacing(Byte a_Facing) + { + ASSERT((a_Facing <= 3) && (a_Facing >= 0)); + m_Facing = a_Facing; + } + private: virtual void SpawnOn(cClientHandle & a_ClientHandle) override; virtual void Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk) override {} - eBlockFace m_Facing; + /** Converts protocol hanging item facing to eBlockFace values */ + inline static eBlockFace ProtocolFaceToBlockFace(Byte a_ProtocolFace) + { + eBlockFace Dir; + + // The client uses different values for item frame directions and block faces. Our constants are for the block faces, so we convert them here to item frame faces + switch (a_ProtocolFace) + { + case 0: Dir = BLOCK_FACE_ZP; break; + case 2: Dir = BLOCK_FACE_ZM; break; + case 1: Dir = BLOCK_FACE_XM; break; + case 3: Dir = BLOCK_FACE_XP; break; + default: + { + LOGINFO("Invalid facing (%d) in a cHangingEntity, adjusting to BLOCK_FACE_XP.", a_ProtocolFace); + ASSERT(!"Tried to convert a bad facing!"); + + Dir = cHangingEntity::ProtocolFaceToBlockFace(3); + } + } + + return Dir; + } + + /** Converts eBlockFace values to protocol hanging item faces */ + inline static Byte BlockFaceToProtocolFace(eBlockFace a_BlockFace) + { + Byte Dir; + + // The client uses different values for item frame directions and block faces. Our constants are for the block faces, so we convert them here to item frame faces + switch (a_BlockFace) + { + case BLOCK_FACE_ZP: Dir = 0; break; + case BLOCK_FACE_ZM: Dir = 2; break; + case BLOCK_FACE_XM: Dir = 1; break; + case BLOCK_FACE_XP: Dir = 3; break; + default: + { + LOGINFO("Invalid facing (%d) in a cHangingEntity, adjusting to BLOCK_FACE_XP.", a_BlockFace); + // Uncomment when entities are initialised with their real data, instead of dummy values: ASSERT(!"Tried to convert a bad facing!"); + + Dir = cHangingEntity::BlockFaceToProtocolFace(BLOCK_FACE_XP); + } + } + + return Dir; + } + + Byte m_Facing; }; // tolua_export diff --git a/src/WorldStorage/NBTChunkSerializer.cpp b/src/WorldStorage/NBTChunkSerializer.cpp index c87397542..4f78dd245 100644 --- a/src/WorldStorage/NBTChunkSerializer.cpp +++ b/src/WorldStorage/NBTChunkSerializer.cpp @@ -726,24 +726,10 @@ void cNBTChunkSerializer::AddProjectileEntity(cProjectileEntity * a_Projectile) void cNBTChunkSerializer::AddHangingEntity(cHangingEntity * a_Hanging) { - m_Writer.AddInt("TileX", a_Hanging->GetBlockX()); - m_Writer.AddInt("TileY", a_Hanging->GetBlockY()); - m_Writer.AddInt("TileZ", a_Hanging->GetBlockZ()); - switch (a_Hanging->GetFacing()) - { - case BLOCK_FACE_XM: m_Writer.AddByte("Facing", 1); break; - case BLOCK_FACE_XP: m_Writer.AddByte("Facing", 3); break; - case BLOCK_FACE_ZM: m_Writer.AddByte("Facing", 2); break; - case BLOCK_FACE_ZP: m_Writer.AddByte("Facing", 0); break; - - case BLOCK_FACE_YM: - case BLOCK_FACE_YP: - case BLOCK_FACE_NONE: - { - // These directions are invalid, but they may have been previously loaded, so keep them. - break; - } - } + m_Writer.AddInt("TileX", FloorC(a_Hanging->GetPosX())); + m_Writer.AddInt("TileY", FloorC(a_Hanging->GetPosY())); + m_Writer.AddInt("TileZ", FloorC(a_Hanging->GetPosZ())); + m_Writer.AddByte("Facing", a_Hanging->GetProtocolFacing()); } diff --git a/src/WorldStorage/WSSAnvil.cpp b/src/WorldStorage/WSSAnvil.cpp index cc8b8d3f5..0aa26834c 100755 --- a/src/WorldStorage/WSSAnvil.cpp +++ b/src/WorldStorage/WSSAnvil.cpp @@ -1747,52 +1747,22 @@ void cWSSAnvil::LoadHangingFromNBT(cHangingEntity & a_Hanging, const cParsedNBT { // "Facing" tag is the prime source of the Facing; if not available, translate from older "Direction" or "Dir" int Facing = a_NBT.FindChildByName(a_TagIdx, "Facing"); - if (Facing > 0) + if (Facing < 0) { - Facing = (int)a_NBT.GetByte(Facing); - if ((Facing >= 2) && (Facing <= 5)) - { - a_Hanging.SetFacing(static_cast(Facing)); - } - } - else - { - Facing = a_NBT.FindChildByName(a_TagIdx, "Direction"); - if (Facing > 0) - { - switch ((int)a_NBT.GetByte(Facing)) - { - case 0: a_Hanging.SetFacing(BLOCK_FACE_ZM); break; - case 1: a_Hanging.SetFacing(BLOCK_FACE_XM); break; - case 2: a_Hanging.SetFacing(BLOCK_FACE_ZP); break; - case 3: a_Hanging.SetFacing(BLOCK_FACE_XP); break; - } - } - else - { - Facing = a_NBT.FindChildByName(a_TagIdx, "Dir"); // Has values 0 and 2 swapped - if (Facing > 0) - { - switch ((int)a_NBT.GetByte(Facing)) - { - case 0: a_Hanging.SetFacing(BLOCK_FACE_ZP); break; - case 1: a_Hanging.SetFacing(BLOCK_FACE_XM); break; - case 2: a_Hanging.SetFacing(BLOCK_FACE_ZM); break; - case 3: a_Hanging.SetFacing(BLOCK_FACE_XP); break; - } - } - } + return; } + a_Hanging.SetProtocolFacing(a_NBT.GetByte(Facing)); + int TileX = a_NBT.FindChildByName(a_TagIdx, "TileX"); int TileY = a_NBT.FindChildByName(a_TagIdx, "TileY"); int TileZ = a_NBT.FindChildByName(a_TagIdx, "TileZ"); if ((TileX > 0) && (TileY > 0) && (TileZ > 0)) { a_Hanging.SetPosition( - (double)a_NBT.GetInt(TileX), - (double)a_NBT.GetInt(TileY), - (double)a_NBT.GetInt(TileZ) + static_cast(a_NBT.GetInt(TileX)), + static_cast(a_NBT.GetInt(TileY)), + static_cast(a_NBT.GetInt(TileZ)) ); } } -- cgit v1.2.3