protected override void OnValidate(Validation.ValidationContext result)
{
base.OnValidate(result);
foreach (var p in this.Primitives)
{
p.Validate(result);
}
var morphTargetsCount = this.Primitives
.Select(item => item.MorphTargetsCount)
.Distinct();
if (morphTargetsCount.Count() != 1)
{
result.AddSemanticError("Count", "All primitives must have the same number of morph targets.");
}
if (_weights.Count != 0 && morphTargetsCount.First() != _weights.Count)
{
result.AddSemanticError("Weights", $"The length of weights array ({_weights.Count}) does not match the number of morph targets({morphTargetsCount.First()}).");
}
}
protected override void OnValidate(Validation.ValidationContext result)
{
base.OnValidate(result);
var buffer = this.LogicalParent.LogicalBuffers[this._buffer];
var bcontent = buffer.Content;
result.CheckArrayRangeAccess("ByteOffset", _byteOffset, _byteLength, buffer.Content);
if (ByteStride > _byteLength)
{
result.AddSemanticError(nameof(ByteStride), $"value ({ByteStride}) is larger than byteLength ({_byteLength}).");
}
// if (this.DeviceBufferTarget.HasValue && this.FindAccessors().Any(item => item.IsSparse)) result.AddError()
}
internal static void CheckAccess(Validation.ValidationContext result, BufferView bv, int accessorByteOffset, DimensionType dim, EncodingType enc, bool nrm, int count)
{
if (nrm)
{
if (enc != EncodingType.UNSIGNED_BYTE && enc != EncodingType.UNSIGNED_SHORT)
{
result.AddDataError("Normalized", "Only (u)byte and (u)short accessors can be normalized.");
}
}
var elementByteSize = dim.DimCount() * enc.ByteLength();
if (bv.IsVertexBuffer)
{
if (bv.ByteStride == 0)
{
result.CheckSchemaIsMultipleOf("ElementByteSize", elementByteSize, 4);
}
}
if (bv.IsIndexBuffer)
{
if (bv._byteStride.HasValue)
{
result.AddSemanticError("bufferView: Invalid ByteStride.");
}
if (dim != DimensionType.SCALAR)
{
result.AddLinkError(("BufferView", bv.LogicalIndex), $"is an IndexBuffer, but accessor dimensions is: {dim}");
}
// TODO: these could by fixed by replacing BYTE by UBYTE, SHORT by USHORT, etc
if (enc == EncodingType.BYTE)
{
result.AddLinkError(("BufferView", bv.LogicalIndex), $"is an IndexBuffer, but accessor encoding is (s)byte");
}
if (enc == EncodingType.SHORT)
{
result.AddLinkError(("BufferView", bv.LogicalIndex), $"is an IndexBuffer, but accessor encoding is (s)short");
}
if (enc == EncodingType.FLOAT)
{
result.AddLinkError(("BufferView", bv.LogicalIndex), $"is an IndexBuffer, but accessor encoding is float");
}
if (nrm)
{
result.AddLinkError(("BufferView", bv.LogicalIndex), $"is an IndexBuffer, but accessor is normalized");
}
}
if (bv.ByteStride > 0)
{
if (bv.ByteStride < elementByteSize)
{
result.AddLinkError("ElementByteSize", $"Referenced bufferView's byteStride value {bv.ByteStride} is less than accessor element's length {elementByteSize}.");
}
return;
}
var accessorByteLength = bv.GetAccessorByteLength(dim, enc, count);
// "Accessor(offset: {0}, length: {1}) does not fit referenced bufferView[% 3] length %4.";
result.CheckArrayRangeAccess(("BufferView", bv.LogicalIndex), accessorByteOffset, accessorByteLength, bv.Content);
}
