diff options
Diffstat (limited to 'src/Items/ItemRedstoneDust.h')
| -rw-r--r-- | src/Items/ItemRedstoneDust.h | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/src/Items/ItemRedstoneDust.h b/src/Items/ItemRedstoneDust.h index a2289239c..6d5fb521f 100644 --- a/src/Items/ItemRedstoneDust.h +++ b/src/Items/ItemRedstoneDust.h @@ -27,7 +27,20 @@ public: BLOCKTYPE & a_BlockType, NIBBLETYPE & a_BlockMeta ) override { - if (!cBlockInfo::FullyOccupiesVoxel(a_World->GetBlock(a_BlockX, a_BlockY - 1, a_BlockZ))) // Some solid blocks, such as cocoa beans, are not suitable for dust + // Check if coords are out of range: + if ((a_BlockY <= 0) || (a_BlockY >= cChunkDef::Height)) + { + return false; + } + + // Check the block below, if it supports dust on top of it: + BLOCKTYPE BlockType; + NIBBLETYPE BlockMeta; + if (!a_World->GetBlockTypeMeta(a_BlockX, a_BlockY - 1, a_BlockZ, BlockType, BlockMeta)) + { + return false; + } + if (!IsBlockTypeUnderSuitable(BlockType, BlockMeta)) { return false; } @@ -36,6 +49,28 @@ public: a_BlockMeta = 0; return true; } + + + /** Returns true if the specified block type / meta is suitable to have redstone dust on top of it. */ + static bool IsBlockTypeUnderSuitable(BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta) + { + if (cBlockInfo::FullyOccupiesVoxel(a_BlockType)) + { + return true; + } + + switch (a_BlockType) + { + case E_BLOCK_NEW_STONE_SLAB: + case E_BLOCK_WOODEN_SLAB: + case E_BLOCK_STONE_SLAB: + { + // Slabs can support redstone if they're upside down: + return ((a_BlockMeta & 0x08) != 0); + } + } + return false; + } } ; |