private static VFXSlot CreateSub(VFXProperty property, Direction direction)
{
var desc = VFXLibrary.GetSlot(property.type);
if (desc != null)
{
var slot = desc.CreateInstance();
slot.m_Direction = direction;
slot.m_Property = property;
foreach (var subInfo in property.SubProperties())
{
var subSlot = CreateSub(subInfo, direction);
if (slot.property.attributes.attributes.OfType <MinMaxAttribute>().Any())
{
var parentRange = property.attributes.FindRange();
subSlot.UpdateAttributes(new VFXPropertyAttributes(new RangeAttribute(parentRange.x, parentRange.y)), false);
}
if (subSlot != null)
{
subSlot.Attach(slot, false);
}
}
return(slot);
}
throw new InvalidOperationException(string.Format("Unable to create slot for property {0} of type {1}", property.name, property.type));
}
public override bool Equals(object obj)
{
if (!(obj is VFXProperty))
{
return(false);
}
VFXProperty other = (VFXProperty)obj;
return(type == other.type && name == other.name);
}
public override VFXExpressionMapper GetExpressionMapper(VFXDeviceTarget target)
{
var meshData = (VFXDataMesh)GetData();
switch (target)
{
case VFXDeviceTarget.GPU:
{
var mapper = new VFXExpressionMapper();
for (int i = 2; i < GetNbInputSlots(); ++i)
{
VFXExpression exp = GetInputSlot(i).GetExpression();
VFXProperty prop = GetInputSlot(i).property;
// As there's not shader generation here, we need expressions that can be evaluated on CPU
if (exp.IsAny(VFXExpression.Flags.NotCompilableOnCPU))
{
throw new InvalidOperationException(string.Format("Expression for slot {0} must be evaluable on CPU: {1}", prop.name, exp));
}
// needs to convert to srgb as color are linear in vfx graph
// This should not be performed for colors with the attribute [HDR] and be performed for vector4 with the attribute [Gamma]
// But property attributes cannot seem to be accessible from C# :(
if (prop.type == typeof(Color))
{
exp = VFXOperatorUtility.LinearToGamma(exp);
}
mapper.AddExpression(exp, prop.name, -1);
}
return(mapper);
}
case VFXDeviceTarget.CPU:
{
var mapper = new VFXExpressionMapper();
mapper.AddExpression(GetInputSlot(0).GetExpression(), "mesh", -1);
mapper.AddExpression(GetInputSlot(1).GetExpression(), "transform", -1);
mapper.AddExpression(GetInputSlot(2).GetExpression(), "subMeshMask", -1);
return(mapper);
}
default:
return(null);
}
}
// Create and return a slot hierarchy from a property info
public static VFXSlot Create(VFXProperty property, Direction direction, object value = null)
{
var slot = CreateSub(property, direction); // First create slot tree
var masterData = new MasterData()
{
m_Owner = null,
m_Value = new VFXSerializableObject(property.type, value),
};
slot.PropagateToChildren(s => s.SetMasterSlotAndData(slot, null));
slot.m_MasterData = masterData;
slot.UpdateDefaultExpressionValue();
slot.InitializeSpaceableCachedSlot();
return(slot);
}
private static VFXSlot CreateSub(VFXProperty property, Direction direction)
{
var desc = VFXLibrary.GetSlot(property.type);
if (desc != null)
{
var slot = desc.CreateInstance();
slot.m_Direction = direction;
slot.m_Property = property;
foreach (var subInfo in property.SubProperties())
{
var subSlot = CreateSub(subInfo, direction);
if (subSlot != null)
{
subSlot.Attach(slot, false);
}
}
return(slot);
}
throw new InvalidOperationException(string.Format("Unable to create slot for property {0} of type {1}", property.name, property.type));
}
public override VFXExpressionMapper GetExpressionMapper(VFXDeviceTarget target)
{
var meshData = (VFXDataMesh)GetData();
switch (target)
{
case VFXDeviceTarget.GPU:
{
var mapper = new VFXExpressionMapper();
for (int i = 2; i < GetNbInputSlots(); ++i)
{
VFXExpression exp = GetInputSlot(i).GetExpression();
VFXProperty prop = GetInputSlot(i).property;
// As there's not shader generation here, we need expressions that can be evaluated on CPU
if (exp.IsAny(VFXExpression.Flags.NotCompilableOnCPU))
{
throw new InvalidOperationException(string.Format("Expression for slot {0} must be evaluable on CPU: {1}", prop.name, exp));
}
// needs to convert to srgb as color are linear in vfx graph
// This should not be performed for colors with the attribute [HDR] and be performed for vector4 with the attribute [Gamma]
// But property attributes cannot seem to be accessible from C# :(
if (prop.type == typeof(Color))
{
exp = VFXOperatorUtility.LinearToGamma(exp);
}
mapper.AddExpression(exp, prop.name, -1);
}
return(mapper);
}
case VFXDeviceTarget.CPU:
{
var mapper = new VFXExpressionMapper();
mapper.AddExpression(GetInputSlot(0).GetExpression(), "mesh", -1);
mapper.AddExpression(GetInputSlot(1).GetExpression(), "transform", -1);
mapper.AddExpression(GetInputSlot(2).GetExpression(), "subMeshMask", -1);
// TODO Remove this once material are serialized
// Add material properties
if (shader != null)
{
var mat = meshData.GetOrCreateMaterial();
for (int i = 0; i < ShaderUtil.GetPropertyCount(shader); ++i)
{
if (ShaderUtil.IsShaderPropertyHidden(shader, i))
{
var name = ShaderUtil.GetPropertyName(shader, i);
var nameId = Shader.PropertyToID(name);
if (!mat.HasProperty(nameId))
{
continue;
}
VFXExpression expr = null;
switch (ShaderUtil.GetPropertyType(shader, i))
{
case ShaderUtil.ShaderPropertyType.Float:
expr = VFXValue.Constant <float>(mat.GetFloat(nameId));
break;
default:
break;
}
if (expr != null)
{
mapper.AddExpression(expr, name, -1);
}
}
}
}
return(mapper);
}
default:
return(null);
}
}
protected bool SyncSlots(VFXSlot.Direction direction, bool notify)
{
bool isInput = direction == VFXSlot.Direction.kInput;
var expectedProperties = (isInput ? inputProperties : outputProperties).ToArray();
int nbSlots = isInput ? GetNbInputSlots() : GetNbOutputSlots();
var currentSlots = isInput ? inputSlots : outputSlots;
// check all slots owner (TODO Still useful?)
for (int i = 0; i < nbSlots; ++i)
{
VFXSlot slot = currentSlots[i];
var slotOwner = slot.owner as VFXSlotContainerModel <ParentType, ChildrenType>;
if (slotOwner != this)
{
Debug.LogError("Slot :" + slot.name + " of Container" + name + "Has a wrong owner.");
slot.SetOwner(this); // make sure everything works even if the owner was lost for some reason.
}
}
bool recreate = false;
if (nbSlots != expectedProperties.Length)
{
recreate = true;
}
else
{
for (int i = 0; i < nbSlots; ++i)
{
if (!currentSlots[i].property.Equals(expectedProperties[i].property))
{
recreate = true;
break;
}
}
}
if (recreate)
{
var existingSlots = new List <VFXSlot>(currentSlots);
// Remove all slots
for (int i = nbSlots - 1; i >= 0; --i)
{
InnerRemoveSlot(currentSlots[i], false);
}
var newSlotCount = expectedProperties.Length;
var newSlots = new VFXSlot[newSlotCount];
var createdSlots = new List <VFXSlot>(newSlotCount);
// Reuse slots that already exists or create a new one if not
for (int i = 0; i < newSlotCount; ++i)
{
var p = expectedProperties[i];
var slot = existingSlots.Find(s => p.property.Equals(s.property));
if (slot != null)
{
slot.UpdateAttributes(p.property.attributes);
existingSlots.Remove(slot);
}
else
{
slot = VFXSlot.Create(p, direction);
createdSlots.Add(slot);
}
newSlots[i] = slot;
}
for (int i = 0; i < createdSlots.Count; ++i)
{
var dstSlot = createdSlots[i];
// Try to keep links and value for slots of same name and compatible types
var srcSlot = existingSlots.FirstOrDefault(s => s.property.name == dstSlot.property.name);
// Find the first slot with same type (should perform a more clever selection based on name distance)
if (srcSlot == null)
{
srcSlot = existingSlots.FirstOrDefault(s => s.property.type == dstSlot.property.type);
}
// Try to find a slot that can be implicitely converted
if (srcSlot == null)
{
srcSlot = existingSlots.FirstOrDefault(s => VFXConverter.CanConvertTo(s.property.type, dstSlot.property.type));
}
if (srcSlot != null)
{
VFXSlot.CopyLinksAndValue(dstSlot, srcSlot, notify);
srcSlot.UnlinkAll(true, notify);
existingSlots.Remove(srcSlot);
}
}
// Remove all remaining links
foreach (var slot in existingSlots)
{
slot.UnlinkAll(true, notify);
}
// Add all slots
foreach (var s in newSlots)
{
InnerAddSlot(s, -1, false);
}
if (notify)
{
Invalidate(InvalidationCause.kStructureChanged);
}
}
else
{
// Update properties
for (int i = 0; i < nbSlots; ++i)
{
VFXProperty prop = currentSlots[i].property;
currentSlots[i].UpdateAttributes(expectedProperties[i].property.attributes);
}
}
return(recreate);
}
public VFXPropertyWithValue(VFXProperty property, object value = null)
{
this.property = property;
this.value = value;
}