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-rw-r--r--source/Blocks/BlockPortal.h108
1 files changed, 108 insertions, 0 deletions
diff --git a/source/Blocks/BlockPortal.h b/source/Blocks/BlockPortal.h
new file mode 100644
index 000000000..c56f0cbc8
--- /dev/null
+++ b/source/Blocks/BlockPortal.h
@@ -0,0 +1,108 @@
+
+#pragma once
+
+#include "BlockHandler.h"
+
+
+
+
+
+class cBlockPortalHandler :
+ public cBlockHandler
+{
+public:
+ cBlockPortalHandler(BLOCKTYPE a_BlockType)
+ : cBlockHandler(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
+ {
+ // We set to zero so MCS doesn't stop you from building weird portals like vanilla does
+ // CanBeAt doesn't do anything if meta is zero
+ // We set to zero because the client sends meta = 2 to the server (it calculates rotation itself)
+
+ a_BlockType = m_BlockType;
+ a_BlockMeta = 0;
+ return true;
+ }
+
+
+ virtual void ConvertToPickups(cItems & a_Pickups, NIBBLETYPE a_BlockMeta) override
+ {
+ return; // No pickups
+ }
+
+
+ virtual bool CanBeAt(int a_RelX, int a_RelY, int a_RelZ, const cChunk & a_Chunk) override
+ {
+ if ((a_RelY - 1 < 0) || (a_RelY + 1 > cChunkDef::Height))
+ {
+ return false; // In case someone places a portal with meta 1 or 2 at boundaries, and server tries to get invalid coords at Y - 1 or Y + 1
+ }
+
+ switch (a_Chunk.GetMeta(a_RelX, a_RelY, a_RelZ))
+ {
+ case 0x1:
+ {
+ static const struct
+ {
+ int x, y, z;
+ } PortalCheck[] =
+ {
+ { 0, 1, 0},
+ { 0,-1, 0},
+ { 1, 0, 0},
+ {-1, 0, 0},
+ } ;
+
+ for (int i = 0; i < ARRAYCOUNT(PortalCheck); i++)
+ {
+ BLOCKTYPE Block;
+ a_Chunk.UnboundedRelGetBlockType(a_RelX + PortalCheck[i].x, a_RelY + PortalCheck[i].y, a_RelZ + PortalCheck[i].z, Block);
+
+ if ((Block != E_BLOCK_NETHER_PORTAL) && (Block != E_BLOCK_OBSIDIAN))
+ {
+ return false;
+ }
+ }
+ break;
+ }
+ case 0x2:
+ {
+ static const struct
+ {
+ int x, y, z;
+ } PortalCheck[] =
+ {
+ { 0, 1, 0},
+ { 0,-1, 0},
+ { 0, 0, -1},
+ { 0, 0, 1},
+ } ;
+
+ for (int i = 0; i < ARRAYCOUNT(PortalCheck); i++)
+ {
+ BLOCKTYPE Block;
+ a_Chunk.UnboundedRelGetBlockType(a_RelX + PortalCheck[i].x, a_RelY + PortalCheck[i].y, a_RelZ + PortalCheck[i].z, Block);
+
+ if ((Block != E_BLOCK_NETHER_PORTAL) && (Block != E_BLOCK_OBSIDIAN))
+ {
+ return false;
+ }
+ }
+ break;
+ }
+ }
+ return true;
+ }
+} ;
+
+
+
+