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#pragma once
#include "BlockHandler.h"
class cBlockFenceGateHandler :
public cBlockHandler
{
public:
cBlockFenceGateHandler(BLOCKTYPE a_BlockType) :
cBlockHandler(a_BlockType)
{
}
virtual bool GetPlacementBlockTypeMeta(
cChunkInterface & a_ChunkInterface, 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
{
a_BlockType = m_BlockType;
a_BlockMeta = PlayerYawToMetaData(a_Player->GetYaw());
return true;
}
virtual void OnUse(cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface, cPlayer * a_Player, int a_BlockX, int a_BlockY, int a_BlockZ, char a_BlockFace, int a_CursorX, int a_CursorY, int a_CursorZ) override
{
NIBBLETYPE OldMetaData = a_ChunkInterface.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ);
NIBBLETYPE NewMetaData = PlayerYawToMetaData(a_Player->GetYaw());
OldMetaData ^= 4; // Toggle the gate
if ((OldMetaData & 1) == (NewMetaData & 1))
{
// Standing in front of the gate - apply new direction
a_ChunkInterface.SetBlockMeta(a_BlockX, a_BlockY, a_BlockZ, (OldMetaData & 4) | (NewMetaData & 3));
}
else
{
// Standing aside - use last direction
a_ChunkInterface.SetBlockMeta(a_BlockX, a_BlockY, a_BlockZ, OldMetaData);
}
}
virtual bool IsUseable(void) override
{
return true;
}
/// Converts the player's yaw to placed gate's blockmeta
inline static NIBBLETYPE PlayerYawToMetaData(double a_Yaw)
{
ASSERT((a_Yaw >= -180) && (a_Yaw < 180));
a_Yaw += 360 + 45;
if (a_Yaw > 360)
{
a_Yaw -= 360;
}
if ((a_Yaw >= 0) && (a_Yaw < 90))
{
return 0x0;
}
else if ((a_Yaw >= 180) && (a_Yaw < 270))
{
return 0x2;
}
else if ((a_Yaw >= 90) && (a_Yaw < 180))
{
return 0x1;
}
else
{
return 0x3;
}
}
} ;
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