Method DoQuadPoint

src/game/editor/editor.cpp:1644–1853

}

void CEditor::DoQuadPoint(int LayerIndex, const std::shared_ptr<CLayerQuads> &pLayer, CQuad *pQuad, int QuadIndex, int V)
{
	const void *pId = &pQuad->m_aPoints[V];
	const vec2 Center = vec2(fx2f(pQuad->m_aPoints[V].x), fx2f(pQuad->m_aPoints[V].y));
	const bool IgnoreGrid = Input()->AltIsPressed();

	// draw selection background
	if(Map()->IsQuadPointSelected(QuadIndex, V))
	{
		Graphics()->SetColor(0, 0, 0, 1);
		IGraphics::CQuadItem QuadItem(Center.x, Center.y, 7.0f * m_MouseWorldScale, 7.0f * m_MouseWorldScale);
		Graphics()->QuadsDraw(&QuadItem, 1);
	}

	enum
	{
		OP_NONE = 0,
		OP_SELECT,
		OP_MOVEPOINT,
		OP_MOVEUV,
		OP_CONTEXT_MENU
	};

	static int s_Operation = OP_NONE;
	static vec2 s_MouseStart = vec2(0.0f, 0.0f);
	static CPoint s_OriginalPoint;
	static std::vector<SAlignmentInfo> s_Alignments; // Alignments
	static ivec2 s_LastOffset;

	auto &&GetDragOffset = [&]() -> ivec2 {
		vec2 Pos = Ui()->MouseWorldPos();
		if(MapView()->MapGrid()->IsEnabled() && !IgnoreGrid)
		{
			MapView()->MapGrid()->SnapToGrid(Pos);
		}
		return ivec2(f2fx(Pos.x) - s_OriginalPoint.x, f2fx(Pos.y) - s_OriginalPoint.y);
	};

	if(Ui()->CheckActiveItem(pId))
	{
		if(m_MouseDeltaWorld != vec2(0.0f, 0.0f))
		{
			if(s_Operation == OP_SELECT)
			{
				if(length_squared(s_MouseStart - Ui()->MousePos()) > 20.0f)
				{
					if(!Map()->IsQuadPointSelected(QuadIndex, V))
						Map()->SelectQuadPoint(QuadIndex, V);

					if(Input()->ShiftIsPressed())
					{
						s_Operation = OP_MOVEUV;
						Ui()->EnableMouseLock(pId);
					}
					else
					{
						s_Operation = OP_MOVEPOINT;
						// Save original positions before moving