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cuberite-2a/source/Blocks/BlockLadder.h

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2.2 KiB
C
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#pragma once
#include "BlockHandler.h"
#include "../World.h"
#include "../Ladder.h"
class cBlockLadderHandler :
public cBlockHandler
{
public:
cBlockLadderHandler(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
{
if (!LadderCanBePlacedAt(a_World, a_BlockX, a_BlockY, a_BlockZ, a_BlockFace))
{
a_BlockFace = FindSuitableBlockFace(a_World, a_BlockX, a_BlockY, a_BlockZ);
if (a_BlockFace == BLOCK_FACE_BOTTOM)
{
return false;
}
}
a_BlockType = m_BlockType;
a_BlockMeta = cLadder::DirectionToMetaData(a_BlockFace);
return true;
}
/// Finds a suitable Direction for the Ladder. Returns BLOCK_FACE_BOTTOM on failure
static char FindSuitableBlockFace(cWorld * a_World, int a_BlockX, int a_BlockY, int a_BlockZ)
{
for (int Face = 2; Face <= 5; Face++)
{
if (LadderCanBePlacedAt(a_World, a_BlockX, a_BlockY, a_BlockZ, Face))
{
return Face;
}
}
return BLOCK_FACE_BOTTOM;
}
static bool LadderCanBePlacedAt(cWorld * a_World, int a_BlockX, int a_BlockY, int a_BlockZ, char a_BlockFace)
{
if ((a_BlockFace == BLOCK_FACE_BOTTOM) || (a_BlockFace == BLOCK_FACE_TOP))
{
return false;
}
AddFaceDirection( a_BlockX, a_BlockY, a_BlockZ, a_BlockFace, true);
return g_BlockIsSolid[a_World->GetBlock(a_BlockX, a_BlockY, a_BlockZ)];
}
virtual bool CanBeAt(int a_RelX, int a_RelY, int a_RelZ, const cChunk & a_Chunk) override
{
// TODO: Use cTorch::AdjustCoordsByMeta(), then cChunk::UnboundedRelGetBlock() and finally some comparison
char BlockFace = cLadder::MetaDataToDirection(a_Chunk.GetMeta(a_RelX, a_RelY, a_RelZ));
int BlockX = a_RelX + a_Chunk.GetPosX() * cChunkDef::Width;
int BlockZ = a_RelZ + a_Chunk.GetPosZ() * cChunkDef::Width;
return LadderCanBePlacedAt(a_Chunk.GetWorld(), BlockX, a_RelY, BlockZ, BlockFace);
}
virtual const char * GetStepSound(void) override
{
return "step.wood";
}
} ;