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/ItemQuartz.h | 60 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 src/Items/ItemQuartz.h (limited to 'src/Items/ItemQuartz.h') diff --git a/src/Items/ItemQuartz.h b/src/Items/ItemQuartz.h new file mode 100644 index 000000000..a3aaa49e7 --- /dev/null +++ b/src/Items/ItemQuartz.h @@ -0,0 +1,60 @@ + +#pragma once + +#include "ItemHandler.h" + + + + + +class cItemQuartzHandler : + public cItemHandler +{ + using Super = cItemHandler; + +public: + + using Super::Super; + +private: + + /** Converts the block face of the pillar block's "base" to the block's metadata. */ + static NIBBLETYPE BlockFaceToMetaData(eBlockFace a_BlockFace) + { + switch (a_BlockFace) + { + case BLOCK_FACE_YM: + case BLOCK_FACE_YP: + { + return E_META_QUARTZ_PILLAR; // Top or bottom. + } + + case BLOCK_FACE_ZP: + case BLOCK_FACE_ZM: + { + return 0x4; // North or south. + } + + case BLOCK_FACE_XP: + case BLOCK_FACE_XM: + { + return 0x3; // 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 + { + const auto Meta = static_cast(a_Player.GetEquippedItem().m_ItemDamage); + + // Pillar block needs additional direction in the metadata: + if (Meta == E_META_QUARTZ_PILLAR) + { + return a_Player.PlaceBlock(a_PlacePosition, E_BLOCK_QUARTZ_BLOCK, BlockFaceToMetaData(a_ClickedBlockFace)); + } + + return a_Player.PlaceBlock(a_PlacePosition, E_BLOCK_QUARTZ_BLOCK, Meta); + } +}; -- cgit v1.2.3