Method UploadTileData

src/game/map/render_layer.cpp:582–864

}

void CRenderLayerTile::UploadTileData(std::optional<CTileLayerVisuals> &VisualsOptional, int CurOverlay, bool AddAsSpeedup, bool IsGameLayer)
{
	if(!Graphics()->IsTileBufferingEnabled())
		return;

	// prepare all visuals for all tile layers
	std::vector<CGraphicTile> vTmpTiles;
	std::vector<CGraphicTileTextureCoords> vTmpTileTexCoords;
	std::vector<CGraphicTile> vTmpBorderTopTiles;
	std::vector<CGraphicTileTextureCoords> vTmpBorderTopTilesTexCoords;
	std::vector<CGraphicTile> vTmpBorderLeftTiles;
	std::vector<CGraphicTileTextureCoords> vTmpBorderLeftTilesTexCoords;
	std::vector<CGraphicTile> vTmpBorderRightTiles;
	std::vector<CGraphicTileTextureCoords> vTmpBorderRightTilesTexCoords;
	std::vector<CGraphicTile> vTmpBorderBottomTiles;
	std::vector<CGraphicTileTextureCoords> vTmpBorderBottomTilesTexCoords;
	std::vector<CGraphicTile> vTmpBorderCorners;
	std::vector<CGraphicTileTextureCoords> vTmpBorderCornersTexCoords;

	const bool DoTextureCoords = GetTexture().IsValid();

	// create the visual and set it in the optional, afterwards get it
	CTileLayerVisuals v;
	v.OnInit(this);
	VisualsOptional = v;
	CTileLayerVisuals &Visuals = VisualsOptional.value();

	if(!Visuals.Init(m_pLayerTilemap->m_Width, m_pLayerTilemap->m_Height))
		return;

	Visuals.m_IsTextured = DoTextureCoords;

	if(!DoTextureCoords)
	{
		vTmpTiles.reserve((size_t)m_pLayerTilemap->m_Width * m_pLayerTilemap->m_Height);
		vTmpBorderTopTiles.reserve((size_t)m_pLayerTilemap->m_Width);
		vTmpBorderBottomTiles.reserve((size_t)m_pLayerTilemap->m_Width);
		vTmpBorderLeftTiles.reserve((size_t)m_pLayerTilemap->m_Height);
		vTmpBorderRightTiles.reserve((size_t)m_pLayerTilemap->m_Height);
		vTmpBorderCorners.reserve((size_t)4);
	}
	else
	{
		vTmpTileTexCoords.reserve((size_t)m_pLayerTilemap->m_Width * m_pLayerTilemap->m_Height);
		vTmpBorderTopTilesTexCoords.reserve((size_t)m_pLayerTilemap->m_Width);
		vTmpBorderBottomTilesTexCoords.reserve((size_t)m_pLayerTilemap->m_Width);
		vTmpBorderLeftTilesTexCoords.reserve((size_t)m_pLayerTilemap->m_Height);
		vTmpBorderRightTilesTexCoords.reserve((size_t)m_pLayerTilemap->m_Height);
		vTmpBorderCornersTexCoords.reserve((size_t)4);
	}

	int DrawLeft = m_pLayerTilemap->m_Width;
	int DrawRight = 0;
	int DrawTop = m_pLayerTilemap->m_Height;
	int DrawBottom = 0;

	int x = 0;
	int y = 0;