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#pragma once
#include "BlockHandler.h"
#include "../Chunk.h"
#include "MetaRotator.h"
#include "BlockSlab.h"
class cBlockLeverHandler :
public cMetaRotator<cBlockHandler, 0x07, 0x04, 0x01, 0x03, 0x02, false>
{
typedef cMetaRotator<cBlockHandler, 0x07, 0x04, 0x01, 0x03, 0x02, false> super;
public:
cBlockLeverHandler(BLOCKTYPE a_BlockType) :
super(a_BlockType)
{
}
virtual bool 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
{
// Flip the ON bit on / off using the XOR bitwise operation
NIBBLETYPE Meta = (a_ChunkInterface.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ) ^ 0x08);
a_ChunkInterface.SetBlockMeta(a_BlockX, a_BlockY, a_BlockZ, Meta);
a_WorldInterface.WakeUpSimulators(a_BlockX, a_BlockY, a_BlockZ);
a_WorldInterface.GetBroadcastManager().BroadcastSoundEffect("random.click", static_cast<double>(a_BlockX), static_cast<double>(a_BlockY), static_cast<double>(a_BlockZ), 0.5f, (Meta & 0x08) ? 0.6f : 0.5f);
return true;
}
virtual void ConvertToPickups(cItems & a_Pickups, NIBBLETYPE a_BlockMeta) override
{
// Reset meta to 0
a_Pickups.push_back(cItem(E_BLOCK_LEVER, 1, 0));
}
virtual bool IsUseable(void) override
{
return true;
}
virtual bool GetPlacementBlockTypeMeta(
cChunkInterface & a_ChunkInterface, cPlayer * a_Player,
int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_BlockFace,
int a_CursorX, int a_CursorY, int a_CursorZ,
BLOCKTYPE & a_BlockType, NIBBLETYPE & a_BlockMeta
) override
{
a_BlockType = m_BlockType;
a_BlockMeta = LeverDirectionToMetaData(a_BlockFace);
return true;
}
inline static NIBBLETYPE LeverDirectionToMetaData(eBlockFace a_Dir)
{
// Determine lever direction:
switch (a_Dir)
{
case BLOCK_FACE_YP: return 0x6;
case BLOCK_FACE_XP: return 0x1;
case BLOCK_FACE_XM: return 0x2;
case BLOCK_FACE_ZP: return 0x3;
case BLOCK_FACE_ZM: return 0x4;
case BLOCK_FACE_YM: return 0x0;
case BLOCK_FACE_NONE: return 0x6;
}
#if !defined(__clang__)
ASSERT(!"Unknown BLOCK_FACE");
return 0;
#endif
}
inline static eBlockFace BlockMetaDataToBlockFace(NIBBLETYPE a_Meta)
{
switch (a_Meta & 0x7)
{
case 0x1: return BLOCK_FACE_XP;
case 0x2: return BLOCK_FACE_XM;
case 0x3: return BLOCK_FACE_ZP;
case 0x4: return BLOCK_FACE_ZM;
case 0x5:
case 0x6: return BLOCK_FACE_YP;
case 0x7:
case 0x0: return BLOCK_FACE_YM;
default:
{
ASSERT(!"Unhandled block meta!");
return BLOCK_FACE_NONE;
}
}
}
virtual bool CanBeAt(cChunkInterface & a_ChunkInterface, int a_RelX, int a_RelY, int a_RelZ, const cChunk & a_Chunk) override
{
NIBBLETYPE Meta = a_Chunk.GetMeta(a_RelX, a_RelY, a_RelZ);
eBlockFace Face = BlockMetaDataToBlockFace(Meta);
AddFaceDirection(a_RelX, a_RelY, a_RelZ, Face, true);
if ((a_RelY < 0) || (a_RelY >= cChunkDef::Height -1))
{
return false;
}
BLOCKTYPE BlockIsOn;
a_Chunk.UnboundedRelGetBlock(a_RelX, a_RelY, a_RelZ, BlockIsOn, Meta);
if (cBlockInfo::FullyOccupiesVoxel(BlockIsOn))
{
return true;
}
else if (cBlockSlabHandler::IsAnySlabType(BlockIsOn))
{
// Check if the slab is turned up side down
if (((Meta & 0x08) == 0x08) && (Face == BLOCK_FACE_TOP))
{
return true;
}
}
return false;
}
virtual NIBBLETYPE MetaRotateCCW(NIBBLETYPE a_Meta) override
{
switch (a_Meta)
{
case 0x00: return 0x07; // Ceiling rotation
case 0x07: return 0x00;
case 0x05: return 0x06; // Ground rotation
case 0x06: return 0x05;
default: return super::MetaRotateCCW(a_Meta); // Wall Rotation
}
}
virtual NIBBLETYPE MetaRotateCW(NIBBLETYPE a_Meta) override
{
switch (a_Meta)
{
case 0x00: return 0x07; // Ceiling rotation
case 0x07: return 0x00;
case 0x05: return 0x06; // Ground rotation
case 0x06: return 0x05;
default: return super::MetaRotateCW(a_Meta); // Wall Rotation
}
}
virtual ColourID GetMapBaseColourID(NIBBLETYPE a_Meta) override
{
UNUSED(a_Meta);
return 0;
}
/** Extracts the ON bit from metadata and returns if true if it is set */
static bool IsLeverOn(NIBBLETYPE a_BlockMeta)
{
return ((a_BlockMeta & 0x8) == 0x8);
}
} ;
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