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authorTiger Wang <ziwei.tiger@hotmail.co.uk>2014-06-10 21:51:22 +0200
committerTiger Wang <ziwei.tiger@hotmail.co.uk>2014-06-10 21:51:22 +0200
commitbfa8aaf41bd2e982e81ca1385efc9ec25ebd246c (patch)
tree706bb3680c60cbc1f78e31f0ca2ac6d1e9422a6a /src/Blocks/BlockDoor.h
parentPortal improvements and suggestions (diff)
parentFixed clang warnings about abs() in Noise.cpp. (diff)
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Diffstat (limited to 'src/Blocks/BlockDoor.h')
-rw-r--r--src/Blocks/BlockDoor.h104
1 files changed, 73 insertions, 31 deletions
diff --git a/src/Blocks/BlockDoor.h b/src/Blocks/BlockDoor.h
index 797fe484c..bc59051c3 100644
--- a/src/Blocks/BlockDoor.h
+++ b/src/Blocks/BlockDoor.h
@@ -20,12 +20,12 @@ public:
virtual void OnUse(cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface, cPlayer * a_Player, int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_BlockFace, int a_CursorX, int a_CursorY, int a_CursorZ) override;
virtual void OnCancelRightClick(cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface, cPlayer * a_Player, int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_BlockFace) override;
virtual const char * GetStepSound(void) override;
-
+
virtual NIBBLETYPE MetaRotateCCW(NIBBLETYPE a_Meta) override;
virtual NIBBLETYPE MetaRotateCW(NIBBLETYPE a_Meta) override;
virtual NIBBLETYPE MetaMirrorXY(NIBBLETYPE a_Meta) override;
virtual NIBBLETYPE MetaMirrorYZ(NIBBLETYPE a_Meta) override;
-
+
virtual bool GetPlacementBlockTypeMeta(
cChunkInterface & a_ChunkInterface, cPlayer * a_Player,
int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_BlockFace,
@@ -52,7 +52,7 @@ public:
return true;
}
-
+
virtual void ConvertToPickups(cItems & a_Pickups, NIBBLETYPE a_BlockMeta) override
{
a_Pickups.push_back(cItem((m_BlockType == E_BLOCK_WOODEN_DOOR) ? E_ITEM_WOODEN_DOOR : E_ITEM_IRON_DOOR, 1, 0));
@@ -77,8 +77,8 @@ public:
{
return ((a_RelY > 0) && (a_Chunk.GetBlock(a_RelX, a_RelY - 1, a_RelZ) != E_BLOCK_AIR));
}
-
-
+
+
bool CanReplaceBlock(BLOCKTYPE a_BlockType)
{
switch (a_BlockType)
@@ -99,7 +99,7 @@ public:
}
- /// Converts the player's yaw to placed door's blockmeta
+ /** Converts the player's yaw to placed door's blockmeta */
inline static NIBBLETYPE PlayerYawToMetaData(double a_Yaw)
{
ASSERT((a_Yaw >= -180) && (a_Yaw < 180));
@@ -111,67 +111,109 @@ public:
}
if ((a_Yaw >= 0) && (a_Yaw < 90))
{
- return 0x0;
+ return 0x00;
}
else if ((a_Yaw >= 180) && (a_Yaw < 270))
{
- return 0x2;
+ return 0x02;
}
else if ((a_Yaw >= 90) && (a_Yaw < 180))
{
- return 0x1;
+ return 0x01;
}
else
{
- return 0x3;
+ return 0x03;
}
}
- /// Returns true if the specified blocktype is any kind of door
+ /** Returns true if the specified blocktype is any kind of door */
inline static bool IsDoor(BLOCKTYPE a_Block)
{
return (a_Block == E_BLOCK_WOODEN_DOOR) || (a_Block == E_BLOCK_IRON_DOOR);
}
- /// Returns the metadata for the opposite door state (open vs closed)
- static NIBBLETYPE ChangeStateMetaData(NIBBLETYPE a_MetaData)
+ static NIBBLETYPE IsOpen(cChunkInterface & a_ChunkInterface, int a_BlockX, int a_BlockY, int a_BlockZ)
{
- return a_MetaData ^ 4;
+ NIBBLETYPE Meta = GetCompleteDoorMeta(a_ChunkInterface, a_BlockX, a_BlockY, a_BlockZ);
+ return ((Meta & 0x04) != 0);
}
- /// Changes the door at the specified coords from open to close or vice versa
- static void ChangeDoor(cChunkInterface & a_ChunkInterface, int a_X, int a_Y, int a_Z)
+ /** Returns the complete meta composed from the both parts of the door as (TopMeta << 4) | BottomMeta
+ The coords may point to either part of the door.
+ The returned value has bit 3 (0x08) set iff the coords point to the top part of the door.
+ Fails gracefully for (invalid) doors on the world's top and bottom. */
+ static NIBBLETYPE GetCompleteDoorMeta(cChunkInterface & a_ChunkInterface, int a_BlockX, int a_BlockY, int a_BlockZ)
{
- NIBBLETYPE OldMetaData = a_ChunkInterface.GetBlockMeta(a_X, a_Y, a_Z);
-
- a_ChunkInterface.SetBlockMeta(a_X, a_Y, a_Z, ChangeStateMetaData(OldMetaData));
+ NIBBLETYPE Meta = a_ChunkInterface.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ);
- if (OldMetaData & 8)
+ if ((Meta & 0x08) != 0)
{
- // Current block is top of the door
- BLOCKTYPE BottomBlock = a_ChunkInterface.GetBlock(a_X, a_Y - 1, a_Z);
- NIBBLETYPE BottomMeta = a_ChunkInterface.GetBlockMeta(a_X, a_Y - 1, a_Z);
-
- if (IsDoor(BottomBlock) && !(BottomMeta & 8))
+ // The coords are pointing at the top part of the door
+ if (a_BlockX > 0)
{
- a_ChunkInterface.SetBlockMeta(a_X, a_Y - 1, a_Z, ChangeStateMetaData(BottomMeta));
+ NIBBLETYPE DownMeta = a_ChunkInterface.GetBlockMeta(a_BlockX, a_BlockY - 1, a_BlockZ);
+ return (DownMeta & 0x07) | 0x08 | (Meta << 4);
}
+ // This is the top part of the door at the bottommost layer of the world, there's no bottom:
+ return 0x08 | (Meta << 4);
}
else
{
- // Current block is bottom of the door
- BLOCKTYPE TopBlock = a_ChunkInterface.GetBlock(a_X, a_Y + 1, a_Z);
- NIBBLETYPE TopMeta = a_ChunkInterface.GetBlockMeta(a_X, a_Y + 1, a_Z);
+ // The coords are pointing at the bottom part of the door
+ if (a_BlockY < cChunkDef::Height - 1)
+ {
+ NIBBLETYPE UpMeta = a_ChunkInterface.GetBlockMeta(a_BlockX, a_BlockY + 1, a_BlockZ);
+ return Meta | (UpMeta << 4);
+ }
+ // This is the bottom part of the door at the topmost layer of the world, there's no top:
+ return Meta;
+ }
+ }
- if (IsDoor(TopBlock) && (TopMeta & 8))
+
+ /** Sets the door to the specified state. If the door is already in that state, does nothing. */
+ static void SetOpen(cChunkInterface & a_ChunkInterface, int a_BlockX, int a_BlockY, int a_BlockZ, bool a_Open)
+ {
+ BLOCKTYPE Block = a_ChunkInterface.GetBlock(a_BlockX, a_BlockY, a_BlockZ);
+ if (!IsDoor(Block))
+ {
+ return;
+ }
+
+ NIBBLETYPE Meta = GetCompleteDoorMeta(a_ChunkInterface, a_BlockX, a_BlockY, a_BlockZ);
+ bool IsOpened = ((Meta & 0x04) != 0);
+ if (IsOpened == a_Open)
+ {
+ return;
+ }
+
+ // Change the door
+ NIBBLETYPE NewMeta = (Meta & 0x07) ^ 0x04; // Flip the "IsOpen" bit (0x04)
+ if ((Meta & 0x08) == 0)
+ {
+ // The block is the bottom part of the door
+ a_ChunkInterface.SetBlockMeta(a_BlockX, a_BlockY, a_BlockZ, NewMeta);
+ }
+ else
+ {
+ // The block is the top part of the door, set the meta to the corresponding top part
+ if (a_BlockY > 0)
{
- a_ChunkInterface.SetBlockMeta(a_X, a_Y + 1, a_Z, ChangeStateMetaData(TopMeta));
+ a_ChunkInterface.SetBlockMeta(a_BlockX, a_BlockY - 1, a_BlockZ, NewMeta);
}
}
}
+
+
+ /** Changes the door at the specified coords from open to close or vice versa */
+ static void ChangeDoor(cChunkInterface & a_ChunkInterface, int a_BlockX, int a_BlockY, int a_BlockZ)
+ {
+ SetOpen(a_ChunkInterface, a_BlockX, a_BlockY, a_BlockZ, !IsOpen(a_ChunkInterface, a_BlockX, a_BlockY, a_BlockZ));
+ }
} ;