public override VFXExpressionMapper GetExpressionMapper(VFXDeviceTarget target)
{
if (target == VFXDeviceTarget.CPU)
{
var mapper = VFXExpressionMapper.FromBlocks(activeFlattenedChildrenWithImplicit);
var mapperFromContext = new VFXExpressionMapper();
mapperFromContext.AddExpressionsFromSlotContainer(this, -1);
if (loopDuration != LoopMode.Infinite)
{
var expression = mapperFromContext.FromNameAndId("LoopDuration", -1);
if (loopDuration == LoopMode.Random)
{
expression = RandomFromVector2(expression);
}
mapper.AddExpression(expression, "LoopDuration", -1);
}
if (loopCount != LoopMode.Infinite)
{
var expression = mapperFromContext.FromNameAndId("LoopCount", -1);
if (loopCount == LoopMode.Random)
{
expression = new VFXExpressionCastFloatToInt(RandomFromVector2(expression));
}
mapper.AddExpression(expression, "LoopCount", -1);
}
if (delayBeforeLoop != DelayMode.None)
{
var expression = mapperFromContext.FromNameAndId("DelayBeforeLoop", -1);
if (delayBeforeLoop == DelayMode.Random)
{
expression = RandomFromVector2(expression);
}
mapper.AddExpression(expression, "DelayBeforeLoop", -1);
}
if (delayAfterLoop != DelayMode.None)
{
var expression = mapperFromContext.FromNameAndId("DelayAfterLoop", -1);
if (delayAfterLoop == DelayMode.Random)
{
expression = RandomFromVector2(expression);
}
mapper.AddExpression(expression, "DelayAfterLoop", -1);
}
return(mapper);
}
return(null);
}
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);
}
}