Method BrushDraw

src/game/editor/mapitems/layer_tune.cpp:81–158

}

void CLayerTune::BrushDraw(CLayer *pBrush, vec2 WorldPos)
{
	if(m_Readonly)
		return;

	CLayerTune *pTuneLayer = static_cast<CLayerTune *>(pBrush);
	int sx = ConvertX(WorldPos.x);
	int sy = ConvertY(WorldPos.y);
	if(str_comp(pTuneLayer->m_aFilename, pTuneLayer->Map()->m_aFilename))
	{
		Editor()->m_TuningNumber = pTuneLayer->m_TuningNumber;
	}

	bool Destructive = Editor()->m_BrushDrawDestructive || pTuneLayer->IsEmpty();

	for(int y = 0; y < pTuneLayer->m_Height; y++)
		for(int x = 0; x < pTuneLayer->m_Width; x++)
		{
			int fx = x + sx;
			int fy = y + sy;

			if(fx < 0 || fx >= m_Width || fy < 0 || fy >= m_Height)
				continue;

			if(!Destructive && GetTile(fx, fy).m_Index)
				continue;

			const int SrcIndex = y * pTuneLayer->m_Width + x;
			const int TgtIndex = fy * m_Width + fx;

			STuneTileStateChange::SData Previous{
				m_pTuneTile[TgtIndex].m_Number,
				m_pTuneTile[TgtIndex].m_Type,
				m_pTiles[TgtIndex].m_Index};

			if((Editor()->IsAllowPlaceUnusedTiles() || IsValidTuneTile(pTuneLayer->m_pTiles[SrcIndex].m_Index)) && pTuneLayer->m_pTiles[SrcIndex].m_Index != TILE_AIR)
			{
				if(Editor()->m_TuningNumber != pTuneLayer->m_TuningNumber)
				{
					m_pTuneTile[TgtIndex].m_Number = Editor()->m_TuningNumber;
				}
				else if(pTuneLayer->m_pTuneTile[SrcIndex].m_Number)
					m_pTuneTile[TgtIndex].m_Number = pTuneLayer->m_pTuneTile[SrcIndex].m_Number;
				else
				{
					if(!Editor()->m_TuningNumber)
					{
						m_pTuneTile[TgtIndex].m_Number = 0;
						m_pTuneTile[TgtIndex].m_Type = 0;
						m_pTiles[TgtIndex].m_Index = 0;
						continue;
					}
					else
						m_pTuneTile[TgtIndex].m_Number = Editor()->m_TuningNumber;
				}

				m_pTuneTile[TgtIndex].m_Type = pTuneLayer->m_pTiles[SrcIndex].m_Index;
				m_pTiles[TgtIndex].m_Index = pTuneLayer->m_pTiles[SrcIndex].m_Index;