87 lines
1.8 KiB
C++
87 lines
1.8 KiB
C++
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#pragma once
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#include "ItemHandler.h"
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#include "../World.h"
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#include "../ClientHandle.h"
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class cItemSignHandler:
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public cItemHandler
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{
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using Super = cItemHandler;
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public:
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using Super::Super;
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private:
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/** Converts the block face of the neighbor to which the wallsign is attached to the wallsign block's meta. */
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static NIBBLETYPE BlockFaceToMetaData(eBlockFace a_NeighborBlockFace)
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{
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switch (a_NeighborBlockFace)
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{
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case BLOCK_FACE_ZM: return 0x02;
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case BLOCK_FACE_ZP: return 0x03;
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case BLOCK_FACE_XM: return 0x04;
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case BLOCK_FACE_XP: return 0x05;
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case BLOCK_FACE_NONE:
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case BLOCK_FACE_YP:
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case BLOCK_FACE_YM:
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{
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break;
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}
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}
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return 0x02;
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}
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virtual bool CommitPlacement(cPlayer & a_Player, const cItem & a_HeldItem, const Vector3i a_PlacePosition, const eBlockFace a_ClickedBlockFace, const Vector3i a_CursorPosition) override
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{
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if (a_ClickedBlockFace == BLOCK_FACE_TOP)
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{
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if (!a_Player.PlaceBlock(a_PlacePosition, E_BLOCK_SIGN_POST, RotationToMetaData(a_Player.GetYaw())))
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{
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return false;
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}
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}
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else if (!a_Player.PlaceBlock(a_PlacePosition, E_BLOCK_WALLSIGN, BlockFaceToMetaData(a_ClickedBlockFace)))
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{
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return false;
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}
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// After successfully placing the sign, open the sign editor for the player:
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a_Player.GetClientHandle()->SendEditSign(a_PlacePosition.x, a_PlacePosition.y, a_PlacePosition.z);
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return true;
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}
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virtual bool IsPlaceable(void) override
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{
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return true;
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}
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/** Converts the (player) rotation to placed-signpost block meta. */
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static NIBBLETYPE RotationToMetaData(double a_Rotation)
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{
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a_Rotation += 180 + (180.f / 16); // So it's not aligned with axis.
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if (a_Rotation > 360)
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{
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a_Rotation -= 360;
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}
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a_Rotation = (a_Rotation / 360) * 16;
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return static_cast<NIBBLETYPE>(a_Rotation) % 16;
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}
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} ;
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