wehub-resource-sync
109 lines
4.6 KiB
C#
109 lines
4.6 KiB
C#
using ImGuiNET;
|
|
using T3.Editor.Gui.OutputUi;
|
|
using T3.Editor.Gui.UiHelpers;
|
|
using T3.Editor.UiModel;
|
|
using T3.Editor.UiModel.InputsAndTypes;
|
|
|
|
namespace T3.Editor.Gui.Legacy.Interaction.Connections;
|
|
|
|
/// <summary>
|
|
/// A helper that collects potential collection targets during connection drag operations.
|
|
/// </summary>
|
|
internal static class ConnectionSnapEndHelper
|
|
{
|
|
public static void PrepareNewFrame()
|
|
{
|
|
_mousePosition = ImGui.GetMousePos();
|
|
BestMatchLastFrame = _bestMatchYetForCurrentFrame;
|
|
if (BestMatchLastFrame != null)
|
|
{
|
|
// drawList.AddRect(_bestMatchLastFrame.Area.Min, _bestMatchLastFrame.Area.Max, Color.Orange);
|
|
var textSize = ImGui.CalcTextSize(BestMatchLastFrame.Name);
|
|
ImGui.SetNextWindowPos(_mousePosition + new Vector2(-textSize.X - 20, -textSize.Y / 2));
|
|
ImGui.BeginTooltip();
|
|
ImGui.TextUnformatted(BestMatchLastFrame.Name);
|
|
ImGui.EndTooltip();
|
|
}
|
|
|
|
_bestMatchYetForCurrentFrame = null;
|
|
_bestMatchDistance = float.PositiveInfinity;
|
|
}
|
|
|
|
public static void ResetSnapping()
|
|
{
|
|
BestMatchLastFrame = null;
|
|
}
|
|
|
|
internal static void RegisterAsPotentialTarget(IGraphView graph, SymbolUi.Child childUi, IInputUi inputUi, int slotIndex, ImRect areaOnScreen)
|
|
{
|
|
if (ConnectionMaker.IsTargetInvalid(graph, inputUi.Type))
|
|
return;
|
|
|
|
var distance = Vector2.Distance(areaOnScreen.Min, _mousePosition);
|
|
if (distance > SnapDistance || distance > _bestMatchDistance)
|
|
{
|
|
return;
|
|
}
|
|
|
|
_bestMatchYetForCurrentFrame = new PotentialConnectionTarget()
|
|
{
|
|
TargetParentOrChildId = childUi.SymbolChild.Id,
|
|
TargetInputId = inputUi.InputDefinition.Id,
|
|
Area = areaOnScreen,
|
|
Name = inputUi.InputDefinition.Name,
|
|
SlotIndex = slotIndex
|
|
};
|
|
_bestMatchDistance = distance;
|
|
}
|
|
|
|
public static void RegisterAsPotentialTarget(IGraphView graph, IOutputUi outputUi, ImRect areaOnScreen)
|
|
{
|
|
if (ConnectionMaker.IsTargetInvalid(graph, outputUi.Type))
|
|
return;
|
|
|
|
var distance = Vector2.Distance(areaOnScreen.Min, _mousePosition);
|
|
if (distance > SnapDistance || distance > _bestMatchDistance)
|
|
{
|
|
return;
|
|
}
|
|
|
|
_bestMatchYetForCurrentFrame = new PotentialConnectionTarget()
|
|
{
|
|
TargetParentOrChildId = ConnectionMaker.UseSymbolContainerId,
|
|
TargetInputId = outputUi.OutputDefinition.Id,
|
|
Area = areaOnScreen,
|
|
Name = outputUi.OutputDefinition.Name,
|
|
SlotIndex = 0
|
|
};
|
|
_bestMatchDistance = distance;
|
|
}
|
|
|
|
public static bool IsNextBestTarget(SymbolUi.Child childUi, Guid inputDefinitionId, int socketIndex)
|
|
{
|
|
return BestMatchLastFrame != null && BestMatchLastFrame.TargetParentOrChildId == childUi.SymbolChild.Id
|
|
&& BestMatchLastFrame.TargetInputId == inputDefinitionId
|
|
&& BestMatchLastFrame.SlotIndex == socketIndex;
|
|
}
|
|
|
|
public static bool IsNextBestTarget(IOutputUi outputUi)
|
|
{
|
|
return BestMatchLastFrame != null && BestMatchLastFrame.TargetParentOrChildId == ConnectionMaker.UseSymbolContainerId
|
|
&& BestMatchLastFrame.TargetInputId == outputUi.Id
|
|
&& BestMatchLastFrame.SlotIndex == 0;
|
|
}
|
|
|
|
public static ConnectionSnapEndHelper.PotentialConnectionTarget BestMatchLastFrame;
|
|
private static PotentialConnectionTarget _bestMatchYetForCurrentFrame;
|
|
private static float _bestMatchDistance = float.PositiveInfinity;
|
|
private const int SnapDistance = 50;
|
|
private static Vector2 _mousePosition;
|
|
|
|
public sealed class PotentialConnectionTarget
|
|
{
|
|
public Guid TargetParentOrChildId;
|
|
public Guid TargetInputId;
|
|
public ImRect Area;
|
|
public string Name;
|
|
public int SlotIndex;
|
|
}
|
|
} |