path: root/src/Items/ItemSign.h

#pragma once

#include "ItemHandler.h"
#include "../World.h"
#include "../Blocks/BlockSignPost.h"
#include "../Blocks/BlockWallSign.h"
#include "../ClientHandle.h"





class cItemSignHandler:
	public cItemHandler
{
	using Super = cItemHandler;

public:

	cItemSignHandler(int a_ItemType):
		Super(a_ItemType)
	{
	}





	virtual bool OnPlayerPlace(
		cWorld & a_World,
		cPlayer & a_Player,
		const cItem & a_EquippedItem,
		const Vector3i a_ClickedBlockPos,
		eBlockFace a_ClickedBlockFace,
		const Vector3i a_CursorPos
	) override
	{
		// Check if placing on something ignoring build collision to edit the correct sign later on:
		BLOCKTYPE ClickedBlockType;
		NIBBLETYPE ClickedBlockMeta;
		a_World.GetBlockTypeMeta(a_ClickedBlockPos, ClickedBlockType, ClickedBlockMeta);
		cChunkInterface ChunkInterface(a_World.GetChunkMap());
		bool IsReplacingClickedBlock = BlockHandler(ClickedBlockType)->DoesIgnoreBuildCollision(ChunkInterface, a_ClickedBlockPos, a_Player, ClickedBlockMeta);

		// If the regular placement doesn't work, do no further processing:
		if (!Super::OnPlayerPlace(a_World, a_Player, a_EquippedItem, a_ClickedBlockPos, a_ClickedBlockFace, a_CursorPos))
		{
			return false;
		}

		// Use IsReplacingClickedBlock to make sure we will edit the right sign:
		auto SignPos = IsReplacingClickedBlock ? a_ClickedBlockPos : AddFaceDirection(a_ClickedBlockPos, a_ClickedBlockFace);

		// After successfully placing the sign, open the sign editor for the player:
		a_Player.GetClientHandle()->SendEditSign(SignPos.x, SignPos.y, SignPos.z);
		return true;
	}





	virtual bool IsPlaceable(void) override
	{
		return true;
	}





	virtual bool GetPlacementBlockTypeMeta(
		cWorld * a_World, cPlayer * a_Player,
		const Vector3i a_PlacedBlockPos,
		eBlockFace a_ClickedBlockFace,
		const Vector3i a_CursorPos,
		BLOCKTYPE & a_BlockType, NIBBLETYPE & a_BlockMeta
	) override
	{
		if (a_ClickedBlockFace == BLOCK_FACE_TOP)
		{
			a_BlockMeta = cBlockSignPostHandler::RotationToMetaData(a_Player->GetYaw());
			a_BlockType = E_BLOCK_SIGN_POST;
		}
		else
		{
			a_BlockMeta = cBlockWallSignHandler::BlockFaceToMetaData(a_ClickedBlockFace);
			a_BlockType = E_BLOCK_WALLSIGN;
		}
		return true;
	}
} ;