sealed protected override VFXExpression ConvertExpression(VFXExpression expression, VFXSlot sourceSlot)
{
if (expression.valueType == VFXValueType.Float2)
{
return(expression);
}
if (expression.valueType == VFXValueType.Float)
{
return(new VFXExpressionCombine(expression, expression));
}
if (expression.valueType == VFXValueType.Uint32)
{
var floatExpression = new VFXExpressionCastUintToFloat(expression);
return(new VFXExpressionCombine(floatExpression, floatExpression));
}
if (expression.valueType == VFXValueType.Int32)
{
var floatExpression = new VFXExpressionCastIntToFloat(expression);
return(new VFXExpressionCombine(floatExpression, floatExpression));
}
if (expression.valueType == VFXValueType.Float3 || expression.valueType == VFXValueType.Float4)
{
return(new VFXExpressionCombine(expression.x, expression.y));
}
throw new Exception("Unexpected type of expression " + expression);
}
static public VFXExpression ConvertExpressionToVector3(VFXExpression expression)
{
if (expression.valueType == VFXValueType.Float3)
{
return(expression);
}
if (expression.valueType == VFXValueType.Float)
{
return(new VFXExpressionCombine(expression, expression, expression));
}
if (expression.valueType == VFXValueType.Uint32)
{
var floatExpression = new VFXExpressionCastUintToFloat(expression);
return(new VFXExpressionCombine(floatExpression, floatExpression, floatExpression));
}
if (expression.valueType == VFXValueType.Int32)
{
var floatExpression = new VFXExpressionCastIntToFloat(expression);
return(new VFXExpressionCombine(floatExpression, floatExpression, floatExpression));
}
if (expression.valueType == VFXValueType.Float4)
{
return(new VFXExpressionCombine(expression.x, expression.y, expression.z));
}
throw new Exception("Unexpected type of expression " + expression + "valueType" + expression.valueType);
}
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 (expression.valueType == VFXValueType.Uint32)
{
var floatExpression = new VFXExpressionCastUintToFloat(expression);
return(floatExpression);
}
if (expression.valueType == VFXValueType.Int32)
{
var floatExpression = new VFXExpressionCastIntToFloat(expression);
return(floatExpression);
}
return(expression);
}
