ItemSign.h

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