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| author | madmaxoft@gmail.com <madmaxoft@gmail.com@0a769ca7-a7f5-676a-18bf-c427514a06d6> | 2013-03-15 21:18:11 +0100 |
|---|---|---|
| committer | madmaxoft@gmail.com <madmaxoft@gmail.com@0a769ca7-a7f5-676a-18bf-c427514a06d6> | 2013-03-15 21:18:11 +0100 |
| commit | 8090c13cde2d61a0330f1e262de7526318a0965d (patch) | |
| tree | 8a5f53d6113c25ee49caacea5c52548dc1585f91 /source/Blocks/BlockVine.h | |
| parent | Doxygen: Alpha-sorted class member docs (diff) | |
| download | cuberite-8090c13cde2d61a0330f1e262de7526318a0965d.tar cuberite-8090c13cde2d61a0330f1e262de7526318a0965d.tar.gz cuberite-8090c13cde2d61a0330f1e262de7526318a0965d.tar.bz2 cuberite-8090c13cde2d61a0330f1e262de7526318a0965d.tar.lz cuberite-8090c13cde2d61a0330f1e262de7526318a0965d.tar.xz cuberite-8090c13cde2d61a0330f1e262de7526318a0965d.tar.zst cuberite-8090c13cde2d61a0330f1e262de7526318a0965d.zip | |
Diffstat (limited to 'source/Blocks/BlockVine.h')
| -rw-r--r-- | source/Blocks/BlockVine.h | 105 |
1 files changed, 79 insertions, 26 deletions
diff --git a/source/Blocks/BlockVine.h b/source/Blocks/BlockVine.h index 2f35c11d9..88338e86d 100644 --- a/source/Blocks/BlockVine.h +++ b/source/Blocks/BlockVine.h @@ -25,45 +25,98 @@ public: BLOCKTYPE & a_BlockType, NIBBLETYPE & a_BlockMeta
) override
{
+ // TODO: Disallow placement where the vine doesn't attach to something properly
+ BLOCKTYPE BlockType = 0;
+ NIBBLETYPE BlockMeta;
+ a_World->GetBlockTypeMeta(a_BlockX, a_BlockY, a_BlockZ, BlockType, BlockMeta);
+ if (BlockType == m_BlockType)
+ {
+ a_BlockMeta = BlockMeta | cVine::DirectionToMetaData(a_BlockFace);
+ }
+ else
+ {
+ a_BlockMeta = cVine::DirectionToMetaData(a_BlockFace);
+ }
a_BlockType = m_BlockType;
- a_BlockMeta = cVine::DirectionToMetaData(a_BlockFace);
return true;
}
- virtual bool CanBePlacedAt(cWorld * a_World, int a_BlockX, int a_BlockY, int a_BlockZ, char a_BlockFace) override
+ /// Returns true if the specified block type is good for vines to attach to
+ static bool IsBlockAttachable(BLOCKTYPE a_BlockType)
{
- if (
- (a_World->GetBlock( a_BlockX, a_BlockY + 1, a_BlockZ ) == E_BLOCK_VINES) &&
- (cVine::MetaDataToDirection(a_World->GetBlockMeta(a_BlockX, a_BlockY + 1, a_BlockZ)) == a_BlockFace)
- )
+ return (a_BlockType == E_BLOCK_LEAVES) || g_BlockIsSolid[a_BlockType];
+ }
+
+
+ /// Returns the meta that has the maximum allowable sides of the vine, given the surroundings
+ NIBBLETYPE GetMaxMeta(cChunk & a_Chunk, int a_RelX, int a_RelY, int a_RelZ)
+ {
+ static const struct
{
- return true;
- }
-
- BLOCKTYPE TopBlock = a_World->GetBlock( a_BlockX, a_BlockY + 1, a_BlockZ);
- if (g_BlockIsSolid[TopBlock] || (TopBlock == E_BLOCK_LEAVES))
+ int x, z;
+ int Bit;
+ } Coords[] =
{
- AddFaceDirection(a_BlockX, a_BlockY, a_BlockZ, a_BlockFace, true);
- BLOCKTYPE BaseBlock = a_World->GetBlock(a_BlockX, a_BlockY, a_BlockZ);
- if (!g_BlockIsSolid[BaseBlock] && (BaseBlock != E_BLOCK_LEAVES))
+ { 0, 1, 1}, // south, ZP
+ {-1, 0, 2}, // west, XM
+ { 0, -1, 4}, // north, ZM
+ { 1, 0, 8}, // east, XP
+ } ;
+ int res = 0;
+ for (int i = 0; i < ARRAYCOUNT(Coords); i++)
+ {
+ BLOCKTYPE BlockType;
+ NIBBLETYPE BlockMeta;
+ if (
+ a_Chunk.UnboundedRelGetBlock(a_RelX + Coords[i].x, a_RelY, a_RelZ + Coords[i].z, BlockType, BlockMeta) &&
+ IsBlockAttachable(BlockType)
+ )
{
- AddFaceDirection(a_BlockX, a_BlockY, a_BlockZ, a_BlockFace, false);
- a_World->SetBlock(a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_VINES, 0);
+ res |= Coords[i].Bit;
}
- return true;
}
-
- AddFaceDirection(a_BlockX, a_BlockY, a_BlockZ, a_BlockFace, true);
- BLOCKTYPE BaseBlock = a_World->GetBlock(a_BlockX, a_BlockY, a_BlockZ);
- return (g_BlockIsSolid[BaseBlock] || (BaseBlock == E_BLOCK_LEAVES));
+ return res;
}
-
-
- virtual bool CanBeAt(cWorld * a_World, int a_BlockX, int a_BlockY, int a_BlockZ) override
+
+
+ void Check(int a_RelX, int a_RelY, int a_RelZ, cChunk & a_Chunk) override
{
- char Dir = cVine::MetaDataToDirection(a_World->GetBlockMeta( a_BlockX, a_BlockY, a_BlockZ));
- return CanBePlacedAt(a_World, a_BlockX, a_BlockY, a_BlockZ, Dir);
+ NIBBLETYPE CurMeta = a_Chunk.GetMeta(a_RelX, a_RelY, a_RelZ);
+ NIBBLETYPE MaxMeta = GetMaxMeta(a_Chunk, a_RelX, a_RelY, a_RelZ);
+
+ // Check if vine above us, add its meta to MaxMeta
+ if ((a_RelY < cChunkDef::Height - 1) && (a_Chunk.GetBlock(a_RelX, a_RelY + 1, a_RelZ) == m_BlockType))
+ {
+ MaxMeta |= a_Chunk.GetMeta(a_RelX, a_RelY + 1, a_RelZ);
+ }
+
+ NIBBLETYPE Common = CurMeta & MaxMeta; // Neighbors that we have and are legal
+ if (Common != CurMeta)
+ {
+ // There is a neighbor missing, need to update the meta or even destroy the block
+ bool HasTop = (a_RelY < cChunkDef::Height - 1) && IsBlockAttachable(a_Chunk.GetBlock(a_RelX, a_RelY + 1, a_RelZ));
+ if ((Common == 0) && !HasTop)
+ {
+ // The vine just lost all its support, destroy the block:
+ if (DoesDropOnUnsuitable())
+ {
+ int BlockX = a_RelX + a_Chunk.GetPosX() * cChunkDef::Width;
+ int BlockZ = a_RelZ + a_Chunk.GetPosZ() * cChunkDef::Width;
+ DropBlock(a_Chunk.GetWorld(), NULL, BlockX, a_RelY, BlockZ);
+ }
+ a_Chunk.SetBlock(a_RelX, a_RelY, a_RelZ, E_BLOCK_AIR, 0);
+ return;
+ }
+ a_Chunk.SetBlock(a_RelX, a_RelY, a_RelZ, m_BlockType, Common);
+ }
+ else
+ {
+ // Wake up the simulators for this block:
+ int BlockX = a_RelX + a_Chunk.GetPosX() * cChunkDef::Width;
+ int BlockZ = a_RelZ + a_Chunk.GetPosZ() * cChunkDef::Width;
+ a_Chunk.GetWorld()->GetSimulatorManager()->WakeUp(BlockX, a_RelY, BlockZ, &a_Chunk);
+ }
}
|