From a62b2b1be2103d7de2fd66c7304b7473e369be3c Mon Sep 17 00:00:00 2001 From: Tiger Wang Date: Wed, 5 May 2021 14:25:10 +0100 Subject: Move item placement into item handlers (#5184) * Move item placement into item handlers + Add appropriate CanBeAt checks in cPlayer::PlaceBlocks, into which all placement handlers call. * Partly addresses #5157 * Fixes #4878 * Fixes #2919 * Fixes #4629 * Fixes #4239 * Fixes #4849 Co-authored-by: changyong guo Co-authored-by: Xotheus Co-authored-by: Krist Pregracke * Review fixes * Update APIDesc.lua * Rename Co-authored-by: changyong guo Co-authored-by: Xotheus Co-authored-by: Krist Pregracke --- src/Items/ItemLever.h | 43 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 src/Items/ItemLever.h (limited to 'src/Items/ItemLever.h') diff --git a/src/Items/ItemLever.h b/src/Items/ItemLever.h new file mode 100644 index 000000000..66c83f485 --- /dev/null +++ b/src/Items/ItemLever.h @@ -0,0 +1,43 @@ + +#pragma once + +#include "ItemHandler.h" + + + + + +class cItemLeverHandler : + public cItemHandler +{ + using Super = cItemHandler; + +public: + + using Super::Super; + +private: + + /** Converts the block face of the neighbor to which the lever is attached to the lever block's meta. */ + static NIBBLETYPE BlockFaceToMetaData(eBlockFace a_BlockFace) + { + // Determine lever direction: + switch (a_BlockFace) + { + case BLOCK_FACE_YP: return 0x6; + case BLOCK_FACE_XP: return 0x1; + case BLOCK_FACE_XM: return 0x2; + case BLOCK_FACE_ZP: return 0x3; + case BLOCK_FACE_ZM: return 0x4; + case BLOCK_FACE_YM: return 0x0; + case BLOCK_FACE_NONE: break; + } + 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(a_HeldItem.m_ItemType), BlockFaceToMetaData(a_ClickedBlockFace)); + } +}; -- cgit v1.2.3