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authorAlexander Harkness <bearbin@gmail.com>2013-11-24 15:19:41 +0100
committerAlexander Harkness <bearbin@gmail.com>2013-11-24 15:19:41 +0100
commit675b4aa878f16291ce33fced48a2bc7425f635ae (patch)
tree409914df27a98f65adf866da669429c4de141b6f /src/Blocks/BlockDoor.h
parentLineBlockTracer: Using the coord-based block faces. (diff)
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Diffstat (limited to 'src/Blocks/BlockDoor.h')
-rw-r--r--src/Blocks/BlockDoor.h175
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));
+ }
+ }
+ }
+
+
+} ;
+
+
+
+