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#pragma once
#include "BlockHandler.h"
#include "../Entities/Player.h"
#include "Chunk.h"
#include "MetaRotator.h"
class cBlockDoorHandler :
public cMetaRotator<cBlockHandler, 0x03, 0x01, 0x02, 0x03, 0x00, true>
{
typedef cMetaRotator<cBlockHandler, 0x03, 0x01, 0x02, 0x03, 0x00, true> super;
public:
cBlockDoorHandler(BLOCKTYPE a_BlockType);
virtual void OnDestroyed(cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface, int a_BlockX, int a_BlockY, int a_BlockZ) override;
virtual void 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;
virtual void OnCancelRightClick(cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface, cPlayer * a_Player, int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_BlockFace) override;
virtual const char * GetStepSound(void) override;
virtual NIBBLETYPE MetaRotateCCW(NIBBLETYPE a_Meta) override;
virtual NIBBLETYPE MetaRotateCW(NIBBLETYPE a_Meta) override;
virtual NIBBLETYPE MetaMirrorXY(NIBBLETYPE a_Meta) override;
virtual NIBBLETYPE MetaMirrorYZ(NIBBLETYPE a_Meta) override;
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
{
// If clicking a bottom face, place the door one block lower:
if (a_BlockFace == BLOCK_FACE_BOTTOM)
{
a_BlockY--;
}
if (
!CanReplaceBlock(a_ChunkInterface.GetBlock(a_BlockX, a_BlockY, a_BlockZ)) ||
!CanReplaceBlock(a_ChunkInterface.GetBlock(a_BlockX, a_BlockY + 1, a_BlockZ))
)
{
return false;
}
a_BlockType = m_BlockType;
a_BlockMeta = PlayerYawToMetaData(a_Player->GetYaw());
return true;
}
virtual void ConvertToPickups(cItems & a_Pickups, NIBBLETYPE a_BlockMeta) override
{
a_Pickups.push_back(cItem((m_BlockType == E_BLOCK_WOODEN_DOOR) ? E_ITEM_WOODEN_DOOR : E_ITEM_IRON_DOOR, 1, 0));
}
virtual void OnPlacedByPlayer(
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,
BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta
) override;
virtual bool IsUseable(void) override
{
return true;
}
virtual bool CanBeAt(cChunkInterface & a_ChunkInterface, int a_RelX, int a_RelY, int a_RelZ, const cChunk & a_Chunk) override
{
return ((a_RelY > 0) && (a_Chunk.GetBlock(a_RelX, a_RelY - 1, a_RelZ) != E_BLOCK_AIR));
}
bool CanReplaceBlock(BLOCKTYPE a_BlockType)
{
switch (a_BlockType)
{
case E_BLOCK_AIR:
case E_BLOCK_TALL_GRASS:
case E_BLOCK_WATER:
case E_BLOCK_STATIONARY_WATER:
case E_BLOCK_LAVA:
case E_BLOCK_STATIONARY_LAVA:
case E_BLOCK_SNOW:
case E_BLOCK_FIRE:
{
return true;
}
}
return false;
}
/** Converts the player's yaw to placed door's blockmeta */
inline static NIBBLETYPE PlayerYawToMetaData(double a_Yaw)
{
ASSERT((a_Yaw >= -180) && (a_Yaw < 180));
a_Yaw += 90 + 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;
}
}
/** Returns true if the specified blocktype is any kind of door */
inline static bool IsDoor(BLOCKTYPE a_Block)
{
return (a_Block == E_BLOCK_WOODEN_DOOR) || (a_Block == E_BLOCK_IRON_DOOR);
}
static NIBBLETYPE IsOpen(cChunkInterface & a_ChunkInterface, int a_BlockX, int a_BlockY, int a_BlockZ)
{
NIBBLETYPE Meta = GetTrueDoorMeta(a_ChunkInterface, a_BlockX, a_BlockY, a_BlockZ);
return ((Meta & 0x4) != 0);
}
/** Read the meta from the true part of the door and returns a meta with all infos include. */
static NIBBLETYPE GetTrueDoorMeta(cChunkInterface & a_ChunkInterface, int a_BlockX, int a_BlockY, int a_BlockZ)
{
NIBBLETYPE Meta = a_ChunkInterface.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ);
if ((Meta & 0x8) != 0)
{
NIBBLETYPE DownMeta = a_ChunkInterface.GetBlockMeta(a_BlockX, a_BlockY - 1, a_BlockZ);
return (DownMeta & 0x7) | 0x8 | (((Meta & 0x1) != 0) ? 16 : 0);
}
else
{
NIBBLETYPE UpMeta = a_ChunkInterface.GetBlockMeta(a_BlockX, a_BlockY + 1, a_BlockZ);
return (Meta & 0x7) | (((UpMeta & 0x1) != 0) ? 16 : 0);
}
}
static void SetOpen(cChunkInterface & a_ChunkInterface, int a_BlockX, int a_BlockY, int a_BlockZ, bool a_Open)
{
BLOCKTYPE Block = a_ChunkInterface.GetBlock(a_BlockX, a_BlockY, a_BlockZ);
if (!IsDoor(Block))
{
return;
}
NIBBLETYPE Meta = GetTrueDoorMeta(a_ChunkInterface, a_BlockX, a_BlockY, a_BlockZ);
bool Opened = (Meta & 0x4) != 0;
if (Opened == a_Open)
{
return;
}
// Change the door
NIBBLETYPE NewMeta = (Meta & 0x7) ^ 0x4;
if ((Meta & 0x8) == 0)
{
a_ChunkInterface.SetBlockMeta(a_BlockX, a_BlockY, a_BlockZ, NewMeta);
}
else
{
a_ChunkInterface.SetBlockMeta(a_BlockX, a_BlockY - 1, a_BlockZ, NewMeta);
}
}
/** Changes the door at the specified coords from open to close or vice versa */
static void ChangeDoor(cChunkInterface & a_ChunkInterface, int a_BlockX, int a_BlockY, int a_BlockZ)
{
SetOpen(a_ChunkInterface, a_BlockX, a_BlockY, a_BlockZ, !IsOpen(a_ChunkInterface, a_BlockX, a_BlockY, a_BlockZ));
}
} ;
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