Function FillTmpTile

src/game/map/render_layer.cpp:57–94

constexpr std::array<CTexCoords, 8> TEX_COORDS_TABLE = MakeTexCoordsTable<8>();

static void FillTmpTile(CGraphicTile *pTmpTile, CGraphicTileTextureCoords *pTmpTex, unsigned char Flags, unsigned char Index, int x, int y, const ivec2 &Offset, int Scale)
{
	if(pTmpTex)
	{
		uint8_t TableFlag = (Flags & (TILEFLAG_XFLIP | TILEFLAG_YFLIP)) + ((Flags & TILEFLAG_ROTATE) >> 1);
		const auto &aTexX = TEX_COORDS_TABLE[TableFlag].m_aTexX;
		const auto &aTexY = TEX_COORDS_TABLE[TableFlag].m_aTexY;

		pTmpTex->m_TexCoordTopLeft.x = aTexX[0];
		pTmpTex->m_TexCoordTopLeft.y = aTexY[0];
		pTmpTex->m_TexCoordBottomLeft.x = aTexX[3];
		pTmpTex->m_TexCoordBottomLeft.y = aTexY[3];
		pTmpTex->m_TexCoordTopRight.x = aTexX[1];
		pTmpTex->m_TexCoordTopRight.y = aTexY[1];
		pTmpTex->m_TexCoordBottomRight.x = aTexX[2];
		pTmpTex->m_TexCoordBottomRight.y = aTexY[2];

		pTmpTex->m_TexCoordTopLeft.z = Index;
		pTmpTex->m_TexCoordBottomLeft.z = Index;
		pTmpTex->m_TexCoordTopRight.z = Index;
		pTmpTex->m_TexCoordBottomRight.z = Index;

		bool HasRotation = (Flags & TILEFLAG_ROTATE) != 0;
		pTmpTex->m_TexCoordTopLeft.w = HasRotation;
		pTmpTex->m_TexCoordBottomLeft.w = HasRotation;
		pTmpTex->m_TexCoordTopRight.w = HasRotation;
		pTmpTex->m_TexCoordBottomRight.w = HasRotation;
	}

	vec2 TopLeft(x * Scale + Offset.x, y * Scale + Offset.y);
	vec2 BottomRight(x * Scale + Scale + Offset.x, y * Scale + Scale + Offset.y);
	pTmpTile->m_TopLeft = TopLeft;
	pTmpTile->m_BottomLeft.x = TopLeft.x;
	pTmpTile->m_BottomLeft.y = BottomRight.y;
	pTmpTile->m_TopRight.x = BottomRight.x;
	pTmpTile->m_TopRight.y = TopLeft.y;
	pTmpTile->m_BottomRight = BottomRight;
}

static void FillTmpTileSpeedup(CGraphicTile *pTmpTile, CGraphicTileTextureCoords *pTmpTex, unsigned char Flags, int x, int y, const ivec2 &Offset, int Scale, short AngleRotate)
{