public static Accessor CreateVertexAccessor(this ModelRoot root, Memory.MemoryAccessor memAccessor)
{
Guard.NotNull(memAccessor, nameof(memAccessor));
var accessor = root.CreateAccessor(memAccessor.Attribute.Name);
accessor.SetVertexData(memAccessor);
return(accessor);
}
public static MeshPrimitive WithVertexAccessor(this MeshPrimitive primitive, Memory.MemoryAccessor memAccessor)
{
Guard.NotNull(primitive, nameof(primitive));
Guard.NotNull(memAccessor, nameof(memAccessor));
var root = primitive.LogicalParent.LogicalParent;
primitive.SetVertexAccessor(memAccessor.Attribute.Name, root.CreateVertexAccessor(memAccessor));
return(primitive);
}
public void SetIndices(IPrimitiveReader <TMaterial> srcPrim, EncodingType encoding)
{
Guard.NotNull(srcPrim, nameof(srcPrim));
var iAccessor = VertexTypes.VertexUtils.CreateIndexMemoryAccessor(srcPrim.GetIndices(), encoding);
if (_VerticesPerPrimitive == 1)
{
Guard.MustBeNull(iAccessor, nameof(srcPrim));
}
else
{
Guard.NotNull(iAccessor, nameof(iAccessor));
}
_IndexAccessors = iAccessor;
}
private static Memory.MemoryAccessor _RemoveDelta(Memory.MemoryAccessor accessor)
{
var name = accessor.Attribute.Name;
if (!name.EndsWith("DELTA", StringComparison.Ordinal))
{
throw new InvalidOperationException();
}
name = name.Replace("DELTA", string.Empty);
var attr = accessor.Attribute;
attr.Name = name;
return(new SharpGLTF.Memory.MemoryAccessor(accessor.Data, attr));
}
public void AddPrimitive(TMaterial material, Memory.MemoryAccessor[] vrtAccessors, Memory.MemoryAccessor idxAccessor)
{
var p = new PackedPrimitiveBuilder <TMaterial>(material, vrtAccessors, idxAccessor);
_Primitives.Add(p);
}
internal PackedPrimitiveBuilder(TMaterial material, Memory.MemoryAccessor[] vrtAccessors, Memory.MemoryAccessor idxAccessor)
{
_Material = material;
_VertexAccessors = vrtAccessors;
_IndexAccessors = idxAccessor;
}
public static MeshPrimitive WithIndicesAccessor(this MeshPrimitive primitive, PrimitiveType primitiveType, Memory.MemoryAccessor memAccessor)
{
Guard.NotNull(primitive, nameof(primitive));
var root = primitive.LogicalParent.LogicalParent;
var accessor = root.CreateAccessor();
accessor.SetIndexData(memAccessor);
primitive.DrawPrimitiveType = primitiveType;
primitive.SetIndexAccessor(accessor);
return(primitive);
}
