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author | bearbin <bearbin@gmail.com> | 2013-07-29 14:55:26 +0200 |
---|---|---|
committer | bearbin <bearbin@gmail.com> | 2013-07-29 14:55:26 +0200 |
commit | fb1044c4e55c726753d094b66756a1cb3bc60ee8 (patch) | |
tree | c61e56725da7dff0154d566722651e2c39c9d6c6 /source/Blocks/BlockVine.h | |
parent | WebAdmin: Removed the duplicate memory usage querying (diff) | |
parent | Changed everyting to Unix line endings. (diff) | |
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Diffstat (limited to 'source/Blocks/BlockVine.h')
-rw-r--r-- | source/Blocks/BlockVine.h | 400 |
1 files changed, 200 insertions, 200 deletions
diff --git a/source/Blocks/BlockVine.h b/source/Blocks/BlockVine.h index 2a88c9b68..0bc935272 100644 --- a/source/Blocks/BlockVine.h +++ b/source/Blocks/BlockVine.h @@ -1,200 +1,200 @@ -
-#pragma once
-
-#include "BlockHandler.h"
-
-
-
-
-
-class cBlockVineHandler :
- public cBlockHandler
-{
-public:
- cBlockVineHandler(BLOCKTYPE a_BlockType)
- : cBlockHandler(a_BlockType)
- {
- }
-
-
- virtual bool GetPlacementBlockTypeMeta(
- cWorld * a_World, cPlayer * a_Player,
- int a_BlockX, int a_BlockY, int a_BlockZ, char a_BlockFace,
- int a_CursorX, int a_CursorY, int a_CursorZ,
- 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 | DirectionToMetaData(a_BlockFace);
- }
- else
- {
- a_BlockMeta = DirectionToMetaData(a_BlockFace);
- }
- a_BlockType = m_BlockType;
- return true;
- }
-
-
- static NIBBLETYPE DirectionToMetaData(char a_BlockFace)
- {
- switch (a_BlockFace)
- {
- case BLOCK_FACE_NORTH: return 0x1;
- case BLOCK_FACE_SOUTH: return 0x4;
- case BLOCK_FACE_WEST: return 0x8;
- case BLOCK_FACE_EAST: return 0x2;
- default: return 0x0;
- }
- }
-
-
- static char MetaDataToDirection(NIBBLETYPE a_MetaData)
- {
- switch(a_MetaData)
- {
- case 0x1: return BLOCK_FACE_NORTH;
- case 0x4: return BLOCK_FACE_SOUTH;
- case 0x8: return BLOCK_FACE_WEST;
- case 0x2: return BLOCK_FACE_EAST;
- default: return BLOCK_FACE_TOP;
- }
- }
-
-
- /// Returns true if the specified block type is good for vines to attach to
- static bool IsBlockAttachable(BLOCKTYPE a_BlockType)
- {
- 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
- {
- int x, z;
- int Bit;
- } Coords[] =
- {
- { 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)
- )
- {
- res |= Coords[i].Bit;
- }
- }
- return res;
- }
-
-
- void Check(int a_RelX, int a_RelY, int a_RelZ, cChunk & a_Chunk) override
- {
- 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);
- }
- }
-
-
- virtual bool DoesIgnoreBuildCollision(void) override
- {
- return true;
- }
-
-
- virtual bool DoesAllowBlockOnTop(void) override
- {
- return false;
- }
-
-
- virtual const char * GetStepSound(void) override
- {
- return "step.grass";
- }
-
-
- virtual bool DoesDropOnUnsuitable(void) override
- {
- return false;
- }
-
-
- virtual NIBBLETYPE MetaRotateCCW(NIBBLETYPE a_Meta) override
- {
- return ((a_Meta >> 1) | (a_Meta << 3)) & 0x0f; // Rotate bits to the right
- }
-
-
- virtual NIBBLETYPE MetaRotateCW(NIBBLETYPE a_Meta) override
- {
- return ((a_Meta << 1) | (a_Meta >> 3)) & 0x0f; // Rotate bits to the left
- }
-
-
- virtual NIBBLETYPE MetaMirrorXY(NIBBLETYPE a_Meta) override
- {
- // Bits 2 and 4 stay, bits 1 and 3 swap
- return ((a_Meta & 0x0a) | ((a_Meta & 0x01) << 2) | ((a_Meta & 0x04) >> 2));
- }
-
-
- virtual NIBBLETYPE MetaMirrorYZ(NIBBLETYPE a_Meta) override
- {
- // Bits 1 and 3 stay, bits 2 and 4 swap
- return ((a_Meta & 0x05) | ((a_Meta & 0x02) << 2) | ((a_Meta & 0x08) >> 2));
- }
-} ;
-
-
-
-
+ +#pragma once + +#include "BlockHandler.h" + + + + + +class cBlockVineHandler : + public cBlockHandler +{ +public: + cBlockVineHandler(BLOCKTYPE a_BlockType) + : cBlockHandler(a_BlockType) + { + } + + + virtual bool GetPlacementBlockTypeMeta( + cWorld * a_World, cPlayer * a_Player, + int a_BlockX, int a_BlockY, int a_BlockZ, char a_BlockFace, + int a_CursorX, int a_CursorY, int a_CursorZ, + 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 | DirectionToMetaData(a_BlockFace); + } + else + { + a_BlockMeta = DirectionToMetaData(a_BlockFace); + } + a_BlockType = m_BlockType; + return true; + } + + + static NIBBLETYPE DirectionToMetaData(char a_BlockFace) + { + switch (a_BlockFace) + { + case BLOCK_FACE_NORTH: return 0x1; + case BLOCK_FACE_SOUTH: return 0x4; + case BLOCK_FACE_WEST: return 0x8; + case BLOCK_FACE_EAST: return 0x2; + default: return 0x0; + } + } + + + static char MetaDataToDirection(NIBBLETYPE a_MetaData) + { + switch(a_MetaData) + { + case 0x1: return BLOCK_FACE_NORTH; + case 0x4: return BLOCK_FACE_SOUTH; + case 0x8: return BLOCK_FACE_WEST; + case 0x2: return BLOCK_FACE_EAST; + default: return BLOCK_FACE_TOP; + } + } + + + /// Returns true if the specified block type is good for vines to attach to + static bool IsBlockAttachable(BLOCKTYPE a_BlockType) + { + 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 + { + int x, z; + int Bit; + } Coords[] = + { + { 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) + ) + { + res |= Coords[i].Bit; + } + } + return res; + } + + + void Check(int a_RelX, int a_RelY, int a_RelZ, cChunk & a_Chunk) override + { + 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); + } + } + + + virtual bool DoesIgnoreBuildCollision(void) override + { + return true; + } + + + virtual bool DoesAllowBlockOnTop(void) override + { + return false; + } + + + virtual const char * GetStepSound(void) override + { + return "step.grass"; + } + + + virtual bool DoesDropOnUnsuitable(void) override + { + return false; + } + + + virtual NIBBLETYPE MetaRotateCCW(NIBBLETYPE a_Meta) override + { + return ((a_Meta >> 1) | (a_Meta << 3)) & 0x0f; // Rotate bits to the right + } + + + virtual NIBBLETYPE MetaRotateCW(NIBBLETYPE a_Meta) override + { + return ((a_Meta << 1) | (a_Meta >> 3)) & 0x0f; // Rotate bits to the left + } + + + virtual NIBBLETYPE MetaMirrorXY(NIBBLETYPE a_Meta) override + { + // Bits 2 and 4 stay, bits 1 and 3 swap + return ((a_Meta & 0x0a) | ((a_Meta & 0x01) << 2) | ((a_Meta & 0x04) >> 2)); + } + + + virtual NIBBLETYPE MetaMirrorYZ(NIBBLETYPE a_Meta) override + { + // Bits 1 and 3 stay, bits 2 and 4 swap + return ((a_Meta & 0x05) | ((a_Meta & 0x02) << 2) | ((a_Meta & 0x08) >> 2)); + } +} ; + + + + |