private void NotifyDragEmpty(IDropModel drop, IDragModel drag)
{
var dropId = drop.GetInstanceID();
this.MostOverlapDroppingSubject.OnNext(new DragDropModel {
Drop = null, Drag = drag
});
this.DropId2DragSubjectMap.GetOrSet(dropId, () => new Subject <IDragModel>()).OnNext(null);
}
public void Drag(IDropModel drop, IDragModel drag)
{
var dropId = drop.GetInstanceID();
var dragId = drag.GetInstanceID();
var overlapArea = drop.Collider2D.CalcOverlapArea(drag.Collider2D);
this.DropId2DropMap[dropId] = drop;
this.DragId2DropId2AreaMap.GetOrSet(dragId, () => new Dictionary <int, float>())[dropId] = overlapArea;
this.NotifyDrag(drop, drag);
}
private void NotifyDrag(IDropModel drop, IDragModel drag)
{
var dropId = drop.GetInstanceID();
var dragId = drag.GetInstanceID();
// NOTE: drop数がおおいと遅いかも
var mostOverlapDropColliderId = this.DragId2DropId2AreaMap[dragId].FindMaxOrDefault(it => it.Value).Key;
var mostOverlapDropCollider = this.DropId2DropMap[mostOverlapDropColliderId];
this.MostOverlapDroppingSubject.OnNext(new DragDropModel {
Drop = mostOverlapDropCollider, Drag = drag
});
this.DropId2DragSubjectMap.GetOrSet(dropId, () => new Subject <IDragModel>()).OnNext(drag);
}
public IDropModel Drop(IDragModel drag)
{
var drop = this.ExDragDropUseCase.Drop(drag);
if (drop != default(IDropModel))
{
this.DragId2DropIdMap[drag.GetInstanceID()] = drop.GetInstanceID();
}
else
{
this.DragId2DropIdMap[drag.GetInstanceID()] = -1;
}
return(drop);
}
public void DragOut(IDropModel drop, IDragModel drag)
{
var dropId = drop.GetInstanceID();
var dragId = drag.GetInstanceID();
this.DropId2DropMap.Remove(dropId);
this.DragId2DropId2AreaMap.GetOrSet(dragId, () => new Dictionary <int, float>()).Remove(dropId);
if (this.DragId2DropId2AreaMap[dragId].Count <= 0)
{
this.NotifyDragEmpty(drop, drag);
}
else
{
this.NotifyDrag(drop, drag);
}
}
public IDropModel Drop(IDragModel drag)
{
var dragId = drag.GetInstanceID();
var drop = default(IDropModel);
// dragに対するdropが存在する場合
if (this.DragId2DropId2AreaMap.ContainsKey(dragId))
{
// dragに該当する最大のdropを探す
var dropId = this.DragId2DropId2AreaMap[dragId].FindMaxOrDefault(it => it.Value).Key;
drop = this.DropId2DropMap.GetOrDefault(dropId);
// 他に専有していたDragがあれば、専有しなくなったことを通知する
var found = this.FixedDragDropListProperty.Value.Find(it => it.Drop.GetInstanceID() == dropId);
if (found != default(DragDropModel))
{
this.DragId2DropSubjectMap
.GetOrSet(found.Drag.GetInstanceID(), () => new Subject <IDropModel>())
.OnNext(null);
}
// Dropを通知する
this.DragId2DropSubjectMap.GetOrSet(dragId, () => new Subject <IDropModel>()).OnNext(drop);
this.DragId2DropId2AreaMap[dragId].Clear();
// 確定したDragDropを更新する
this.FixedDragDropListProperty.Value = this.FixedDragDropListProperty.Value
.Where(it => it.Drag.GetInstanceID() != dragId)
.Where(it => it.Drop.GetInstanceID() != dropId)
.ToList();
if (drop != default(IDropModel))
{
this.FixedDragDropListProperty.Value.Add(new DragDropModel {
Drag = drag, Drop = drop
});
}
}
// 通知する
this.FixedDragDropListProperty.SetValueAndForceNotify(this.FixedDragDropListProperty.Value);
return(drop);
}
public static int GetInstanceID(this IDragModel model)
{
return(model?.Collider2D?.GetInstanceID() ?? 0);
}
public IObservable <IDropModel> GetDroppedAsObservable(IDragModel drag)
{
return(this.ExDragDropUseCase.GetDroppedAsObservable(drag));
}
public void DragOut(IDropModel drop, IDragModel drag)
{
this.ExDragDropUseCase.DragOut(drop, drag);
}
public static void Drop(this IDragDropPresenter presenter, IDragModel drag)
{
presenter.DragDropUseCase.Drop(drag);
}
public static IObservable <IDropModel> GetDroppedAsObservable(
this IDragDropPresenter presenter, IDragModel drag)
{
return(presenter.DragDropUseCase.GetDroppedAsObservable(drag));
}
public IObservable <IDropModel> GetDroppedAsObservable(IDragModel drag)
{
return(this.DragId2DropSubjectMap.GetOrSet(drag.GetInstanceID(), () => new Subject <IDropModel>()));
}