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authorTiger Wang <ziwei.tiger@hotmail.co.uk>2013-11-27 22:35:13 +0100
committerTiger Wang <ziwei.tiger@hotmail.co.uk>2013-11-27 22:35:13 +0100
commita6630d32394120a78af56bc612fa3c3449283248 (patch)
tree2c791266b0f213cd56961299da8d2258b8f85d8e /src/Blocks/BlockChest.h
parentFixed spawn point being generally in an ocean (diff)
parentVoronoi-related biomegens use the new cVoronoiMap class. (diff)
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Diffstat (limited to 'src/Blocks/BlockChest.h')
-rw-r--r--src/Blocks/BlockChest.h223
1 files changed, 223 insertions, 0 deletions
diff --git a/src/Blocks/BlockChest.h b/src/Blocks/BlockChest.h
new file mode 100644
index 000000000..488c58ac5
--- /dev/null
+++ b/src/Blocks/BlockChest.h
@@ -0,0 +1,223 @@
+
+#pragma once
+
+#include "BlockEntity.h"
+#include "../World.h"
+#include "../BlockArea.h"
+#include "../Entities/Player.h"
+
+
+
+
+
+class cBlockChestHandler :
+ public cBlockEntityHandler
+{
+public:
+ cBlockChestHandler(BLOCKTYPE a_BlockType)
+ : cBlockEntityHandler(a_BlockType)
+ {
+ }
+
+
+ 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
+ {
+ a_BlockType = m_BlockType;
+
+ // Is there a doublechest already next to this block?
+ if (!CanBeAt(a_World, a_BlockX, a_BlockY, a_BlockZ))
+ {
+ // Yup, cannot form a triple-chest, refuse:
+ return false;
+ }
+
+ // Check if this forms a doublechest, if so, need to adjust the meta:
+ cBlockArea Area;
+ if (!Area.Read(a_World, a_BlockX - 1, a_BlockX + 1, a_BlockY, a_BlockY, a_BlockZ - 1, a_BlockZ + 1))
+ {
+ return false;
+ }
+ double rot = a_Player->GetRotation();
+ if (
+ (Area.GetRelBlockType(0, 0, 1) == E_BLOCK_CHEST) ||
+ (Area.GetRelBlockType(2, 0, 1) == E_BLOCK_CHEST)
+ )
+ {
+ a_BlockMeta = ((rot >= -90) && (rot < 90)) ? 2 : 3;
+ return true;
+ }
+ if (
+ (Area.GetRelBlockType(0, 0, 1) == E_BLOCK_CHEST) ||
+ (Area.GetRelBlockType(2, 0, 1) == E_BLOCK_CHEST)
+ )
+ {
+ a_BlockMeta = (rot < 0) ? 4 : 5;
+ return true;
+ }
+
+ // Single chest, get meta from rotation only
+ a_BlockMeta = RotationToMetaData(rot);
+ return true;
+ }
+
+
+ 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
+ {
+ // Check if this forms a doublechest, if so, need to adjust the meta:
+ cBlockArea Area;
+ if (!Area.Read(a_World, a_BlockX - 1, a_BlockX + 1, a_BlockY, a_BlockY, a_BlockZ - 1, a_BlockZ + 1))
+ {
+ return;
+ }
+
+ double rot = a_Player->GetRotation();
+ // Choose meta from player rotation, choose only between 2 or 3
+ NIBBLETYPE NewMeta = ((rot >= -90) && (rot < 90)) ? 2 : 3;
+ if (
+ CheckAndAdjustNeighbor(a_World, Area, 0, 1, NewMeta) ||
+ CheckAndAdjustNeighbor(a_World, Area, 2, 1, NewMeta)
+ )
+ {
+ // Forming a double chest in the X direction
+ return;
+ }
+ // Choose meta from player rotation, choose only between 4 or 5
+ NewMeta = (rot < 0) ? 4 : 5;
+ if (
+ CheckAndAdjustNeighbor(a_World, Area, 1, 0, NewMeta) ||
+ CheckAndAdjustNeighbor(a_World, Area, 2, 2, NewMeta)
+ )
+ {
+ // Forming a double chest in the Z direction
+ return;
+ }
+
+ // Single chest, no further processing needed
+ }
+
+
+ virtual const char * GetStepSound(void) override
+ {
+ return "step.wood";
+ }
+
+
+ virtual bool CanBeAt(cWorld * a_World, int a_BlockX, int a_BlockY, int a_BlockZ)
+ {
+ cBlockArea Area;
+ if (!Area.Read(a_World, a_BlockX - 2, a_BlockX + 2, a_BlockY, a_BlockY, a_BlockZ - 2, a_BlockZ + 2))
+ {
+ // Cannot read the surroundings, probably at the edge of loaded chunks. Disallow.
+ return false;
+ }
+
+ int NumChestNeighbors = 0;
+ if (Area.GetRelBlockType(1, 0, 2) == E_BLOCK_CHEST)
+ {
+ if (
+ (Area.GetRelBlockType(0, 0, 2) == E_BLOCK_CHEST) ||
+ (Area.GetRelBlockType(1, 0, 1) == E_BLOCK_CHEST) ||
+ (Area.GetRelBlockType(1, 0, 3) == E_BLOCK_CHEST)
+ )
+ {
+ // Already a doublechest neighbor, disallow:
+ return false;
+ }
+ NumChestNeighbors += 1;
+ }
+ if (Area.GetRelBlockType(3, 0, 2) == E_BLOCK_CHEST)
+ {
+ if (
+ (Area.GetRelBlockType(4, 0, 2) == E_BLOCK_CHEST) ||
+ (Area.GetRelBlockType(3, 0, 1) == E_BLOCK_CHEST) ||
+ (Area.GetRelBlockType(3, 0, 3) == E_BLOCK_CHEST)
+ )
+ {
+ // Already a doublechest neighbor, disallow:
+ return false;
+ }
+ NumChestNeighbors += 1;
+ }
+ if (Area.GetRelBlockType(2, 0, 1) == E_BLOCK_CHEST)
+ {
+ if (
+ (Area.GetRelBlockType(2, 0, 0) == E_BLOCK_CHEST) ||
+ (Area.GetRelBlockType(1, 0, 1) == E_BLOCK_CHEST) ||
+ (Area.GetRelBlockType(3, 0, 1) == E_BLOCK_CHEST)
+ )
+ {
+ // Already a doublechest neighbor, disallow:
+ return false;
+ }
+ NumChestNeighbors += 1;
+ }
+ if (Area.GetRelBlockType(2, 0, 3) == E_BLOCK_CHEST)
+ {
+ if (
+ (Area.GetRelBlockType(2, 0, 4) == E_BLOCK_CHEST) ||
+ (Area.GetRelBlockType(1, 0, 3) == E_BLOCK_CHEST) ||
+ (Area.GetRelBlockType(3, 0, 3) == E_BLOCK_CHEST)
+ )
+ {
+ // Already a doublechest neighbor, disallow:
+ return false;
+ }
+ NumChestNeighbors += 1;
+ }
+ return (NumChestNeighbors < 2);
+ }
+
+
+ /// Translates player rotation when placing a chest into the chest block metadata. Valid for single chests only
+ static NIBBLETYPE RotationToMetaData(double a_Rotation)
+ {
+ a_Rotation += 90 + 45; // So its not aligned with axis
+
+ if (a_Rotation > 360.f)
+ {
+ a_Rotation -= 360.f;
+ }
+ if ((a_Rotation >= 0.f) && (a_Rotation < 90.f))
+ {
+ return 0x4;
+ }
+ else if ((a_Rotation >= 180) && (a_Rotation < 270))
+ {
+ return 0x5;
+ }
+ else if ((a_Rotation >= 90) && (a_Rotation < 180))
+ {
+ return 0x2;
+ }
+ else
+ {
+ return 0x3;
+ }
+ }
+
+
+ /// If there's a chest in the a_Area in the specified coords, modifies its meta to a_NewMeta and returns true.
+ bool CheckAndAdjustNeighbor(cWorld * a_World, const cBlockArea & a_Area, int a_RelX, int a_RelZ, NIBBLETYPE a_NewMeta)
+ {
+ if (a_Area.GetRelBlockType(a_RelX, 0, a_RelZ) != E_BLOCK_CHEST)
+ {
+ return false;
+ }
+ a_World->SetBlockMeta(a_Area.GetOriginX() + a_RelX, a_Area.GetOriginY(), a_Area.GetOriginZ() + a_RelZ, a_NewMeta);
+ return true;
+ }
+} ;
+
+
+
+