diff options
Diffstat (limited to 'src/Blocks/BlockDoor.h')
| -rw-r--r-- | src/Blocks/BlockDoor.h | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/src/Blocks/BlockDoor.h b/src/Blocks/BlockDoor.h new file mode 100644 index 000000000..03a79d47d --- /dev/null +++ b/src/Blocks/BlockDoor.h @@ -0,0 +1,175 @@ + +#pragma once + +#include "BlockHandler.h" +#include "../World.h" +#include "../Entities/Player.h" + + + + + +class cBlockDoorHandler : + public cBlockHandler +{ +public: + cBlockDoorHandler(BLOCKTYPE a_BlockType); + + virtual void OnDestroyed(cWorld * a_World, int a_BlockX, int a_BlockY, int a_BlockZ) override; + virtual void OnUse(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) override; + virtual const char * GetStepSound(void) override; + + + 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 clicking a bottom face, place the door one block lower: + if (a_BlockFace == BLOCK_FACE_BOTTOM) + { + a_BlockY--; + } + + if ( + !CanReplaceBlock(a_World->GetBlock(a_BlockX, a_BlockY, a_BlockZ)) || + !CanReplaceBlock(a_World->GetBlock(a_BlockX, a_BlockY + 1, a_BlockZ)) + ) + { + return false; + } + + a_BlockType = m_BlockType; + a_BlockMeta = PlayerYawToMetaData(a_Player->GetRotation()); + 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( + 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; + + + virtual bool IsUseable(void) override + { + return true; + } + + + virtual bool CanBeAt(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); + } + + + /// Returns the metadata for the opposite door state (open vs closed) + static NIBBLETYPE ChangeStateMetaData(NIBBLETYPE a_MetaData) + { + return a_MetaData ^ 4; + } + + + /// Changes the door at the specified coords from open to close or vice versa + static void ChangeDoor(cWorld * a_World, int a_X, int a_Y, int a_Z) + { + NIBBLETYPE OldMetaData = a_World->GetBlockMeta(a_X, a_Y, a_Z); + + a_World->SetBlockMeta(a_X, a_Y, a_Z, ChangeStateMetaData(OldMetaData)); + + if (OldMetaData & 8) + { + // Current block is top of the door + BLOCKTYPE BottomBlock = a_World->GetBlock(a_X, a_Y - 1, a_Z); + NIBBLETYPE BottomMeta = a_World->GetBlockMeta(a_X, a_Y - 1, a_Z); + + if (IsDoor(BottomBlock) && !(BottomMeta & 8)) + { + a_World->SetBlockMeta(a_X, a_Y - 1, a_Z, ChangeStateMetaData(BottomMeta)); + } + } + else + { + // Current block is bottom of the door + BLOCKTYPE TopBlock = a_World->GetBlock(a_X, a_Y + 1, a_Z); + NIBBLETYPE TopMeta = a_World->GetBlockMeta(a_X, a_Y + 1, a_Z); + + if (IsDoor(TopBlock) && (TopMeta & 8)) + { + a_World->SetBlockMeta(a_X, a_Y + 1, a_Z, ChangeStateMetaData(TopMeta)); + } + } + } + + +} ; + + + + |