Method CreateRectQuadContainer

src/engine/client/graphics_threaded.cpp:1226–1312

}

int CGraphics_Threaded::CreateRectQuadContainer(float x, float y, float w, float h, float r, int Corners)
{
	int ContainerIndex = CreateQuadContainer(false);

	if(Corners == 0 || r == 0.0f)
	{
		CQuadItem ItemQ = CQuadItem(x, y, w, h);
		QuadContainerAddQuads(ContainerIndex, &ItemQ, 1);
		QuadContainerUpload(ContainerIndex);
		QuadContainerChangeAutomaticUpload(ContainerIndex, true);
		return ContainerIndex;
	}

	const int NumSegments = 8;
	const float SegmentsAngle = pi / 2 / NumSegments;
	IGraphics::CFreeformItem aFreeform[NumSegments * 4];
	size_t NumItems = 0;

	for(int i = 0; i < NumSegments; i += 2)
	{
		float a1 = i * SegmentsAngle;
		float a2 = (i + 1) * SegmentsAngle;
		float a3 = (i + 2) * SegmentsAngle;
		float Ca1 = std::cos(a1);
		float Ca2 = std::cos(a2);
		float Ca3 = std::cos(a3);
		float Sa1 = std::sin(a1);
		float Sa2 = std::sin(a2);
		float Sa3 = std::sin(a3);

		if(Corners & CORNER_TL)
			aFreeform[NumItems++] = IGraphics::CFreeformItem(
				x + r, y + r,
				x + (1 - Ca1) * r, y + (1 - Sa1) * r,
				x + (1 - Ca3) * r, y + (1 - Sa3) * r,
				x + (1 - Ca2) * r, y + (1 - Sa2) * r);

		if(Corners & CORNER_TR)
			aFreeform[NumItems++] = IGraphics::CFreeformItem(
				x + w - r, y + r,
				x + w - r + Ca1 * r, y + (1 - Sa1) * r,
				x + w - r + Ca3 * r, y + (1 - Sa3) * r,
				x + w - r + Ca2 * r, y + (1 - Sa2) * r);

		if(Corners & CORNER_BL)
			aFreeform[NumItems++] = IGraphics::CFreeformItem(
				x + r, y + h - r,
				x + (1 - Ca1) * r, y + h - r + Sa1 * r,
				x + (1 - Ca3) * r, y + h - r + Sa3 * r,
				x + (1 - Ca2) * r, y + h - r + Sa2 * r);

		if(Corners & CORNER_BR)
			aFreeform[NumItems++] = IGraphics::CFreeformItem(
				x + w - r, y + h - r,
				x + w - r + Ca1 * r, y + h - r + Sa1 * r,
				x + w - r + Ca3 * r, y + h - r + Sa3 * r,
				x + w - r + Ca2 * r, y + h - r + Sa2 * r);
	}