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/ItemStairs.h | 47 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 src/Items/ItemStairs.h (limited to 'src/Items/ItemStairs.h') diff --git a/src/Items/ItemStairs.h b/src/Items/ItemStairs.h new file mode 100644 index 000000000..6fe447be5 --- /dev/null +++ b/src/Items/ItemStairs.h @@ -0,0 +1,47 @@ + +#pragma once + +#include "ItemHandler.h" +#include "Blocks/BlockStairs.h" + + + + + +class cItemStairsHandler : + public cItemHandler +{ + using Super = cItemHandler; + +public: + + using Super::Super; + +private: + + virtual bool CommitPlacement(cPlayer & a_Player, const cItem & a_HeldItem, const Vector3i a_PlacePosition, const eBlockFace a_ClickedBlockFace, const Vector3i a_CursorPosition) override + { + NIBBLETYPE Meta = cBlockStairsHandler::YawToMetaData(a_Player.GetYaw()); + + switch (a_ClickedBlockFace) + { + case BLOCK_FACE_TOP: break; + case BLOCK_FACE_BOTTOM: Meta |= 0x4; break; // When placing onto a bottom face, always place an upside-down stairs block. + case BLOCK_FACE_EAST: + case BLOCK_FACE_NORTH: + case BLOCK_FACE_SOUTH: + case BLOCK_FACE_WEST: + { + // When placing onto a sideways face, check cursor, if in top half, make it an upside-down stairs block: + if (a_CursorPosition.y > 8) + { + Meta |= 0x4; + } + break; + } + default: UNREACHABLE("Unhandled block face"); + } + + return a_Player.PlaceBlock(a_PlacePosition, static_cast(a_HeldItem.m_ItemType), Meta); + } +}; -- cgit v1.2.3