public static VFXExpression ApplyToExpressionGraph(VFXPropertyAttribute[] attributes, VFXExpression exp)
{
if (attributes != null)
{
foreach (VFXPropertyAttribute attribute in attributes)
{
switch (attribute.m_Type)
{
case Type.kRange:
exp = VFXOperatorUtility.Clamp(exp, VFXValue.Constant(attribute.m_Min), VFXValue.Constant(attribute.m_Max));
break;
case Type.kMin:
exp = new VFXExpressionMax(exp, VFXOperatorUtility.CastFloat(VFXValue.Constant(attribute.m_Min), exp.valueType));
break;
case Type.kNormalize:
exp = VFXOperatorUtility.Normalize(exp);
break;
case Type.kTooltip:
case Type.kAngle:
case Type.kColor:
case Type.kRegex:
case Type.kDelayed:
break;
default:
throw new NotImplementedException();
}
}
}
return(exp);
}
sealed protected override VFXExpression ConvertExpression(VFXExpression expression, VFXSlot sourceSlot)
{
if (expression.valueType == VFXValueType.Float3)
{
return(VFXOperatorUtility.CastFloat(expression, VFXValueType.Float4, 1.0f));
}
return(base.ConvertExpression(expression, sourceSlot));
}
protected override IEnumerable <VFXExpression> ApplyPatchInputExpression(IEnumerable <VFXExpression> inputExpression)
{
var minIndex = inputExpression.Select(o => Array.IndexOf(kExpectedTypeOrdering, VFXExpression.TypeToType(o.valueType))).Min();
var unifiedType = VFXExpression.GetVFXValueTypeFromType(kExpectedTypeOrdering[minIndex]);
foreach (var expression in inputExpression)
{
if (expression.valueType == unifiedType)
{
yield return(expression);
continue;
}
var currentExpression = expression;
if (VFXExpression.IsFloatValueType(unifiedType))
{
if (VFXExpression.IsUIntValueType(expression.valueType))
{
currentExpression = new VFXExpressionCastUintToFloat(currentExpression);
}
else if (VFXExpression.IsIntValueType(expression.valueType))
{
currentExpression = new VFXExpressionCastIntToFloat(currentExpression);
}
currentExpression = VFXOperatorUtility.CastFloat(currentExpression, unifiedType, identityValueFloat);
}
else if (VFXExpression.IsIntValueType(unifiedType))
{
if (VFXExpression.IsUIntValueType(currentExpression.valueType))
{
currentExpression = new VFXExpressionCastUintToInt(currentExpression);
}
else if (VFXExpression.IsFloatValueType(currentExpression.valueType))
{
currentExpression = new VFXExpressionCastFloatToInt(VFXOperatorUtility.ExtractComponents(currentExpression).First());
}
}
else if (VFXExpression.IsUIntValueType(unifiedType))
{
if (VFXExpression.IsIntValueType(currentExpression.valueType))
{
currentExpression = new VFXExpressionCastIntToUint(currentExpression);
}
else if (VFXExpression.IsFloatValueType(expression.valueType))
{
currentExpression = new VFXExpressionCastFloatToUint(VFXOperatorUtility.ExtractComponents(expression).First());
}
}
yield return(currentExpression);
}
}
sealed protected override VFXExpression ConvertExpression(VFXExpression expression, VFXSlot sourceSlot)
{
if (sourceSlot != null)
{
if (sourceSlot.GetType() == typeof(VFXSlotDirection))
{
return(expression); //avoid multiple normalization
}
if (sourceSlot.property.attributes != null && sourceSlot.property.attributes.OfType <NormalizeAttribute>().Any())
{
return(expression); //avoid multiple normalization from Normalize attribute (rarely used for output slot)
}
}
if (expression.valueType == VFXValueType.Float4)
{
expression = VFXOperatorUtility.CastFloat(expression, VFXValueType.Float3);
}
return(ApplyPatchExpression(expression));
}
public static VFXExpression ApplyToExpressionGraph(VFXPropertyAttribute[] attributes, VFXExpression exp)
{
if (attributes != null)
{
foreach (VFXPropertyAttribute attribute in attributes)
{
switch (attribute.m_Type)
{
case Type.kRange:
switch (exp.valueType)
{
case VFXValueType.Int32:
exp = VFXOperatorUtility.Clamp(exp, VFXValue.Constant((int)attribute.m_Min), VFXValue.Constant((int)attribute.m_Max), false);
break;
case VFXValueType.Uint32:
exp = VFXOperatorUtility.Clamp(exp, VFXValue.Constant((uint)attribute.m_Min), VFXValue.Constant((uint)attribute.m_Max), false);
break;
case VFXValueType.Float:
case VFXValueType.Float2:
case VFXValueType.Float3:
case VFXValueType.Float4:
exp = VFXOperatorUtility.Clamp(exp, VFXValue.Constant(attribute.m_Min), VFXValue.Constant(attribute.m_Max));
break;
default:
throw new NotImplementedException(string.Format("Cannot use RangeAttribute on value of type: {0}", exp.valueType));
}
break;
case Type.kMin:
switch (exp.valueType)
{
case VFXValueType.Int32:
exp = new VFXExpressionMax(exp, VFXValue.Constant((int)attribute.m_Min));
break;
case VFXValueType.Uint32:
exp = new VFXExpressionMax(exp, VFXValue.Constant((uint)attribute.m_Min));
break;
case VFXValueType.Float:
case VFXValueType.Float2:
case VFXValueType.Float3:
case VFXValueType.Float4:
exp = new VFXExpressionMax(exp, VFXOperatorUtility.CastFloat(VFXValue.Constant(attribute.m_Min), exp.valueType));
break;
default:
throw new NotImplementedException(string.Format("Cannot use MinAttribute on value of type: {0}", exp.valueType));
}
break;
case Type.kNormalize:
exp = VFXOperatorUtility.Normalize(exp);
break;
case Type.kTooltip:
case Type.kAngle:
case Type.kColor:
case Type.kRegex:
case Type.kDelayed:
case Type.kBitField:
break;
default:
throw new NotImplementedException();
}
}
}
return(exp);
}
public VFXExpression ApplyToExpressionGraph(VFXExpression exp)
{
if (m_GraphAttributes == null)
{
return(exp);
}
foreach (PropertyAttribute attribute in m_GraphAttributes)
{
if (attribute is RangeAttribute)
{
var rangeAttribute = (RangeAttribute)attribute;
switch (exp.valueType)
{
case VFXValueType.Int32:
exp = VFXOperatorUtility.Clamp(exp, VFXValue.Constant((int)rangeAttribute.min), VFXValue.Constant((int)rangeAttribute.max), false);
break;
case VFXValueType.Uint32:
exp = VFXOperatorUtility.Clamp(exp, VFXValue.Constant((uint)rangeAttribute.min), VFXValue.Constant((uint)rangeAttribute.max), false);
break;
case VFXValueType.Float:
case VFXValueType.Float2:
case VFXValueType.Float3:
case VFXValueType.Float4:
exp = VFXOperatorUtility.Clamp(exp, VFXValue.Constant(rangeAttribute.min), VFXValue.Constant(rangeAttribute.max));
break;
default:
throw new NotImplementedException(string.Format("Cannot use RangeAttribute on value of type: {0}", exp.valueType));
}
}
else if (attribute is MinAttribute)
{
var minAttribute = (MinAttribute)attribute;
switch (exp.valueType)
{
case VFXValueType.Int32:
exp = new VFXExpressionMax(exp, VFXValue.Constant((int)minAttribute.min));
break;
case VFXValueType.Uint32:
exp = new VFXExpressionMax(exp, VFXValue.Constant((uint)minAttribute.min));
break;
case VFXValueType.Float:
case VFXValueType.Float2:
case VFXValueType.Float3:
case VFXValueType.Float4:
exp = new VFXExpressionMax(exp, VFXOperatorUtility.CastFloat(VFXValue.Constant(minAttribute.min), exp.valueType));
break;
default:
throw new NotImplementedException(string.Format("Cannot use MinAttribute on value of type: {0}", exp.valueType));
}
}
else if (attribute is NormalizeAttribute)
{
exp = VFXOperatorUtility.Normalize(exp);
}
else if (attribute is EnumAttribute)
{
var enumAttribute = (EnumAttribute)attribute;
exp = new VFXExpressionMin(exp, VFXValue.Constant((uint)enumAttribute.values.Length - 1));
}
else
{
throw new NotImplementedException("Unrecognized expression attribute: " + attribute);
}
}
return(exp);
}
