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authorTiger Wang <ziwei.tiger@outlook.com>2021-05-05 15:25:10 +0200
committerGitHub <noreply@github.com>2021-05-05 15:25:10 +0200
commita62b2b1be2103d7de2fd66c7304b7473e369be3c (patch)
treea44f2b43fd90f5c79af5e308b554349e6dc546af /src/Items/ItemSideways.h
parentRename files to match code (diff)
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Diffstat (limited to 'src/Items/ItemSideways.h')
-rw-r--r--src/Items/ItemSideways.h53
1 files changed, 53 insertions, 0 deletions
diff --git a/src/Items/ItemSideways.h b/src/Items/ItemSideways.h
new file mode 100644
index 000000000..cb6403fd6
--- /dev/null
+++ b/src/Items/ItemSideways.h
@@ -0,0 +1,53 @@
+
+#pragma once
+
+#include "ItemHandler.h"
+#include "Blocks/BlockSideways.h"
+
+
+
+
+
+/** Handler for blocks that have 3 orientations (hay bale, log), specified by the upper 2 bits in meta.
+Handles setting the correct orientation on placement.
+Additionally supports the metadata specifying block sub-type in its lower 2 bits. */
+class cItemSidewaysHandler :
+ public cItemHandler
+{
+ using Super = cItemHandler;
+
+public:
+
+ using Super::Super;
+
+private:
+
+ static NIBBLETYPE BlockFaceToMetaData(eBlockFace a_BlockFace, NIBBLETYPE a_Meta)
+ {
+ switch (a_BlockFace)
+ {
+ case BLOCK_FACE_YM:
+ case BLOCK_FACE_YP:
+ {
+ return a_Meta; // Top or bottom, just return original.
+ }
+ case BLOCK_FACE_ZP:
+ case BLOCK_FACE_ZM:
+ {
+ return a_Meta | 0x8; // North or south.
+ }
+ case BLOCK_FACE_XP:
+ case BLOCK_FACE_XM:
+ {
+ return a_Meta | 0x4; // East or west.
+ }
+ default: UNREACHABLE("Unsupported block face");
+ }
+ }
+
+
+ virtual bool CommitPlacement(cPlayer & a_Player, const cItem & a_HeldItem, const Vector3i a_PlacePosition, const eBlockFace a_ClickedBlockFace, const Vector3i a_CursorPosition) override
+ {
+ return a_Player.PlaceBlock(a_PlacePosition, static_cast<BLOCKTYPE>(a_HeldItem.m_ItemType), BlockFaceToMetaData(a_ClickedBlockFace, static_cast<NIBBLETYPE>(a_HeldItem.m_ItemDamage)));
+ }
+};