/
Slot.cs
253 lines (211 loc) · 8.04 KB
/
Slot.cs
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using System;
using System.Collections.Generic;
using T3.Core.Logging;
namespace T3.Core.Operator.Slots
{
public class Slot<T> : ISlot
{
public Guid Id { get; set; }
public Type ValueType { get; }
public Instance Parent { get; set; }
public DirtyFlag DirtyFlag { get; set; } = new DirtyFlag();
public T Value; // { get; set; }
public bool IsMultiInput { get; protected set; } = false;
protected bool _isDisabled = false;
protected virtual void SetDisabled(bool isDisabled)
{
if (isDisabled == _isDisabled)
return;
if (isDisabled)
{
_defaultUpdateAction = _updateAction;
UpdateAction = EmptyAction;
DirtyFlag.Invalidate();
}
else
{
SetUpdateActionBackToDefault();
DirtyFlag.Invalidate();
}
_isDisabled = isDisabled;
}
public bool IsDisabled
{
get => _isDisabled;
set => SetDisabled(value);
}
protected void EmptyAction(EvaluationContext context) { }
public Slot()
{
// UpdateAction = Update;
ValueType = typeof(T);
}
public Slot(Action<EvaluationContext> updateAction) : this()
{
UpdateAction = updateAction;
}
public Slot(Action<EvaluationContext> updateAction, T defaultValue) : this()
{
UpdateAction = updateAction;
Value = defaultValue;
}
public Slot(T defaultValue) : this()
{
Value = defaultValue;
}
public void Update(EvaluationContext context)
{
if (DirtyFlag.IsDirty || IsConnected)
{
_updateAction?.Invoke(context);
DirtyFlag.Clear();
DirtyFlag.SetUpdated();
}
}
public void ConnectedUpdate(EvaluationContext context)
{
Value = InputConnection[0].GetValue(context);
}
public T GetValue(EvaluationContext context)
{
Update(context);
return Value;
}
public void AddConnection(ISlot sourceSlot, int index = 0)
{
if (!IsConnected && sourceSlot != null)
{
_actionBeforeAddingConnecting = UpdateAction;
UpdateAction = ConnectedUpdate;
DirtyFlag.Target = sourceSlot.DirtyFlag.Target;
DirtyFlag.Reference = DirtyFlag.Target - 1;
}
if (sourceSlot == null)
return;
if (sourceSlot.ValueType != ValueType)
{
Log.Warning("Type match during connection");
return;
}
InputConnection.Insert(index, (Slot<T>)sourceSlot);
}
private Action<EvaluationContext> _actionBeforeAddingConnecting;
public void RemoveConnection(int index = 0)
{
if (IsConnected)
{
if (index < InputConnection.Count)
{
InputConnection.RemoveAt(index);
}
else
{
Log.Error($"Trying to delete connection at index {index}, but input slot only has {InputConnection.Count} connections");
}
}
if (!IsConnected)
{
if (_actionBeforeAddingConnecting != null)
{
UpdateAction = _actionBeforeAddingConnecting;
}
else
{
// if no connection is set anymore restore the default update action
SetUpdateActionBackToDefault();
}
DirtyFlag.Invalidate();
}
}
public void SetUpdateActionBackToDefault()
{
UpdateAction = _defaultUpdateAction;
}
public bool IsConnected => InputConnection.Count > 0;
public ISlot GetConnection(int index)
{
return InputConnection[index];
}
private List<Slot<T>> _inputConnection = new List<Slot<T>>();
public List<Slot<T>> InputConnection => _inputConnection;
public int Invalidate()
{
if (DirtyFlag.IsAlreadyInvalidated)
return DirtyFlag.Target;
if (this is IInputSlot)
{
if (IsConnected)
{
DirtyFlag.Target = GetConnection(0).Invalidate();
}
else if (DirtyFlag.Trigger != DirtyFlagTrigger.None)
{
DirtyFlag.Invalidate();
}
}
else if (IsConnected)
{
// slot is an output of an composition op
DirtyFlag.Target = GetConnection(0).Invalidate();
}
else
{
Instance parent = Parent;
bool outputDirty = DirtyFlag.IsDirty;
foreach (var input in parent.Inputs)
{
if (input.IsConnected)
{
if (input.IsMultiInput)
{
// NOTE: In situations with extremely large graphs (1000 of instances)
// invalidation can become bottle neck. In these cases it might be justified
// to limit the invalidation to "active" parts of the subgraph. The [Switch]
// operator defines this list.
if (input.LimitMultiInputInvalidationToIndices != null)
{
var multiInput = (IMultiInputSlot)input;
var dirtySum = 0;
var index = 0;
foreach (var entry in multiInput.GetCollectedInputs())
{
if (!input.LimitMultiInputInvalidationToIndices.Contains(index++))
continue;
dirtySum += entry.Invalidate();
}
input.DirtyFlag.Target = dirtySum;
}
else
{
var multiInput = (IMultiInputSlot)input;
int dirtySum = 0;
foreach (var entry in multiInput.GetCollectedInputs())
{
dirtySum += entry.Invalidate();
}
input.DirtyFlag.Target = dirtySum;
}
}
else
{
input.DirtyFlag.Target = input.GetConnection(0).Invalidate();
}
}
else if ((input.DirtyFlag.Trigger & DirtyFlagTrigger.Animated) == DirtyFlagTrigger.Animated)
{
input.DirtyFlag.Invalidate();
}
outputDirty |= input.DirtyFlag.IsDirty;
}
if (outputDirty || (DirtyFlag.Trigger & DirtyFlagTrigger.Animated) == DirtyFlagTrigger.Animated)
{
DirtyFlag.Invalidate();
}
}
return DirtyFlag.Target;
}
private Action<EvaluationContext> _updateAction;
public virtual Action<EvaluationContext> UpdateAction { get => _updateAction; set => _updateAction = value; }
protected Action<EvaluationContext> _defaultUpdateAction;
}
}