Method RenderLayers

src/game/editor/editor.cpp:3048–3740

}

void CEditor::RenderLayers(CUIRect LayersBox)
{
	const float RowHeight = 12.0f;
	char aBuf[64];

	CUIRect UnscrolledLayersBox = LayersBox;

	static CScrollRegion s_ScrollRegion;
	vec2 ScrollOffset(0.0f, 0.0f);
	CScrollRegionParams ScrollParams;
	ScrollParams.m_ScrollbarWidth = 10.0f;
	ScrollParams.m_ScrollbarMargin = 3.0f;
	ScrollParams.m_ScrollUnit = RowHeight * 5.0f;
	s_ScrollRegion.Begin(&LayersBox, &ScrollOffset, &ScrollParams);
	LayersBox.y += ScrollOffset.y;

	enum
	{
		OP_NONE = 0,
		OP_CLICK,
		OP_LAYER_DRAG,
		OP_GROUP_DRAG
	};
	static int s_Operation = OP_NONE;
	static int s_PreviousOperation = OP_NONE;
	static const void *s_pDraggedButton = nullptr;
	static float s_InitialMouseY = 0;
	static float s_InitialCutHeight = 0;
	constexpr float MinDragDistance = 5.0f;
	int GroupAfterDraggedLayer = -1;
	int LayerAfterDraggedLayer = -1;
	bool DraggedPositionFound = false;
	bool MoveLayers = false;
	bool MoveGroup = false;
	bool StartDragLayer = false;
	bool StartDragGroup = false;
	std::vector<int> vButtonsPerGroup;

	auto SetOperation = [](int Operation) {
		if(Operation != s_Operation)
		{
			s_PreviousOperation = s_Operation;
			s_Operation = Operation;
			if(Operation == OP_NONE)
			{
				s_pDraggedButton = nullptr;
			}
		}
	};

	vButtonsPerGroup.reserve(Map()->m_vpGroups.size());
	for(const std::shared_ptr<CLayerGroup> &pGroup : Map()->m_vpGroups)
	{
		vButtonsPerGroup.push_back(pGroup->m_vpLayers.size() + 1);
	}

	if(s_pDraggedButton != nullptr && Ui()->ActiveItem() != s_pDraggedButton)
	{