public static void BuildTargetAttributes(ref Dictionary <string, AttributeAccessor> attributes)
{
if (attributes.ContainsKey(SemanticProperties.POSITION))
{
var attributeAccessor = attributes[SemanticProperties.POSITION];
NumericArray resultArray = attributeAccessor.AccessorContent;
byte[] bufferViewCache;
uint offset = LoadBufferView(attributeAccessor, out bufferViewCache);
attributeAccessor.AccessorId.Value.AsVector3Array(ref resultArray, bufferViewCache, offset);
attributeAccessor.AccessorContent = resultArray;
}
if (attributes.ContainsKey(SemanticProperties.NORMAL))
{
var attributeAccessor = attributes[SemanticProperties.NORMAL];
NumericArray resultArray = attributeAccessor.AccessorContent;
byte[] bufferViewCache;
uint offset = LoadBufferView(attributeAccessor, out bufferViewCache);
attributeAccessor.AccessorId.Value.AsVector3Array(ref resultArray, bufferViewCache, offset);
attributeAccessor.AccessorContent = resultArray;
}
if (attributes.ContainsKey(SemanticProperties.TANGENT))
{
var attributeAccessor = attributes[SemanticProperties.TANGENT];
NumericArray resultArray = attributeAccessor.AccessorContent;
byte[] bufferViewCache;
uint offset = LoadBufferView(attributeAccessor, out bufferViewCache);
attributeAccessor.AccessorId.Value.AsVector3Array(ref resultArray, bufferViewCache, offset);
attributeAccessor.AccessorContent = resultArray;
}
}
/// <summary>
/// Uses the accessor to parse the buffer into arrays needed to construct the animation
/// </summary>
/// <param name="samplers">A dictionary mapping AttributeAccessor lists to their target types
public static void BuildAnimationSamplers(ref Dictionary <string, List <AttributeAccessor> > samplers)
{
foreach (var samplerSet in samplers)
{
foreach (var attributeAccessor in samplerSet.Value)
{
NumericArray resultArray = attributeAccessor.AccessorContent;
uint offset = LoadBufferView(attributeAccessor, out byte[] bufferViewCache);
switch (samplerSet.Key)
{
case "time":
attributeAccessor.AccessorId.Value.AsFloatArray(ref resultArray, bufferViewCache, offset);
break;
case "translation":
case "scale":
attributeAccessor.AccessorId.Value.AsVector3Array(ref resultArray, bufferViewCache, offset);
break;
case "rotation":
attributeAccessor.AccessorId.Value.AsVector4Array(ref resultArray, bufferViewCache, offset);
break;
}
attributeAccessor.AccessorContent = resultArray;
}
}
}
public static void BuildBindPoseSamplers(ref AttributeAccessor attributeAccessor)
{
NumericArray resultArray = attributeAccessor.AccessorContent;
uint offset = LoadBufferView(attributeAccessor, out byte[] bufferViewCache);
attributeAccessor.AccessorId.Value.AsMatrix4x4Array(ref resultArray, bufferViewCache, offset);
attributeAccessor.AccessorContent = resultArray;
}
/// <summary>
/// Uses the accessor to parse the buffer into attributes needed to construct the mesh primitive
/// </summary>
/// <param name="attributes">A list of attributes to parse</param>
public static void BuildMeshAttributes(ref Dictionary <string, AttributeAccessor> attributes)
{
foreach (var kvp in attributes)
{
var attributeAccessor = kvp.Value;
NumericArray resultArray = attributeAccessor.AccessorContent;
uint offset = LoadBufferView(attributeAccessor, out byte[] bufferViewCache);
switch (kvp.Key)
{
case SemanticProperties.POSITION:
attributeAccessor.AccessorId.Value.AsVertexArray(ref resultArray, bufferViewCache, offset);
break;
case SemanticProperties.NORMAL:
attributeAccessor.AccessorId.Value.AsNormalArray(ref resultArray, bufferViewCache, offset);
break;
case SemanticProperties.TANGENT:
attributeAccessor.AccessorId.Value.AsTangentArray(ref resultArray, bufferViewCache, offset);
break;
case SemanticProperties.TEXCOORD_0:
case SemanticProperties.TEXCOORD_1:
case SemanticProperties.TEXCOORD_2:
case SemanticProperties.TEXCOORD_3:
attributeAccessor.AccessorId.Value.AsTexcoordArray(ref resultArray, bufferViewCache, offset);
break;
case SemanticProperties.COLOR_0:
attributeAccessor.AccessorId.Value.AsColorArray(ref resultArray, bufferViewCache, offset);
break;
case SemanticProperties.WEIGHTS_0:
case SemanticProperties.JOINTS_0:
case SemanticProperties.JOINTS_1:
attributeAccessor.AccessorId.Value.AsVector4Array(ref resultArray, bufferViewCache, offset);
break;
case SemanticProperties.INDICES:
attributeAccessor.AccessorId.Value.AsIntArray(ref resultArray, bufferViewCache, offset);
break;
default:
UnityEngine.Debug.LogWarning($"Unrecognized mesh attribute [{kvp.Key}]");
break;
}
attributeAccessor.AccessorContent = resultArray;
}
}
public static void BuildTargetAttributes(ref Dictionary <string, AttributeAccessor> attributes)
{
foreach (var kvp in attributes)
{
var attributeAccessor = kvp.Value;
NumericArray resultArray = attributeAccessor.AccessorContent;
byte[] bufferViewCache;
uint offset = LoadBufferView(attributeAccessor, out bufferViewCache);
switch (kvp.Key)
{
case SemanticProperties.POSITION:
case SemanticProperties.NORMAL:
case SemanticProperties.TANGENT:
attributeAccessor.AccessorId.Value.AsVector3Array(ref resultArray, bufferViewCache, offset);
break;
default:
throw new System.Exception($"Unrecognized morph target attribute {kvp.Key}");
}
attributeAccessor.AccessorContent = resultArray;
}
}
/// <summary>
/// Uses the accessor to parse the buffer into attributes needed to construct the mesh primitive
/// </summary>
/// <param name="attributes">A dictionary that contains a mapping of attribute name to data needed to parse</param>
public static void BuildMeshAttributes(ref Dictionary <string, AttributeAccessor> attributes)
{
if (attributes.ContainsKey(SemanticProperties.POSITION))
{
var attributeAccessor = attributes[SemanticProperties.POSITION];
NumericArray resultArray = attributeAccessor.AccessorContent;
int offset = (int)LoadBufferView(attributeAccessor, out byte[] bufferViewCache);
attributeAccessor.AccessorId.Value.AsVertexArray(ref resultArray, bufferViewCache, offset);
attributeAccessor.AccessorContent = resultArray;
}
if (attributes.ContainsKey(SemanticProperties.INDICES))
{
var attributeAccessor = attributes[SemanticProperties.INDICES];
NumericArray resultArray = attributeAccessor.AccessorContent;
int offset = (int)LoadBufferView(attributeAccessor, out byte[] bufferViewCache);
attributeAccessor.AccessorId.Value.AsTriangles(ref resultArray, bufferViewCache, offset);
attributeAccessor.AccessorContent = resultArray;
}
if (attributes.ContainsKey(SemanticProperties.NORMAL))
{
var attributeAccessor = attributes[SemanticProperties.NORMAL];
NumericArray resultArray = attributeAccessor.AccessorContent;
int offset = (int)LoadBufferView(attributeAccessor, out byte[] bufferViewCache);
attributeAccessor.AccessorId.Value.AsNormalArray(ref resultArray, bufferViewCache, offset);
attributeAccessor.AccessorContent = resultArray;
}
if (attributes.ContainsKey(SemanticProperties.TexCoord(0)))
{
var attributeAccessor = attributes[SemanticProperties.TexCoord(0)];
NumericArray resultArray = attributeAccessor.AccessorContent;
int offset = (int)LoadBufferView(attributeAccessor, out byte[] bufferViewCache);
attributeAccessor.AccessorId.Value.AsTexcoordArray(ref resultArray, bufferViewCache, offset);
attributeAccessor.AccessorContent = resultArray;
}
if (attributes.ContainsKey(SemanticProperties.TexCoord(1)))
{
var attributeAccessor = attributes[SemanticProperties.TexCoord(1)];
NumericArray resultArray = attributeAccessor.AccessorContent;
int offset = (int)LoadBufferView(attributeAccessor, out byte[] bufferViewCache);
attributeAccessor.AccessorId.Value.AsTexcoordArray(ref resultArray, bufferViewCache, offset);
attributeAccessor.AccessorContent = resultArray;
}
if (attributes.ContainsKey(SemanticProperties.TexCoord(2)))
{
var attributeAccessor = attributes[SemanticProperties.TexCoord(2)];
NumericArray resultArray = attributeAccessor.AccessorContent;
int offset = (int)LoadBufferView(attributeAccessor, out byte[] bufferViewCache);
attributeAccessor.AccessorId.Value.AsTexcoordArray(ref resultArray, bufferViewCache, offset);
attributeAccessor.AccessorContent = resultArray;
}
if (attributes.ContainsKey(SemanticProperties.TexCoord(3)))
{
var attributeAccessor = attributes[SemanticProperties.TexCoord(3)];
NumericArray resultArray = attributeAccessor.AccessorContent;
int offset = (int)LoadBufferView(attributeAccessor, out byte[] bufferViewCache);
attributeAccessor.AccessorId.Value.AsTexcoordArray(ref resultArray, bufferViewCache, offset);
attributeAccessor.AccessorContent = resultArray;
}
if (attributes.ContainsKey(SemanticProperties.Color(0)))
{
var attributeAccessor = attributes[SemanticProperties.Color(0)];
NumericArray resultArray = attributeAccessor.AccessorContent;
int offset = (int)LoadBufferView(attributeAccessor, out byte[] bufferViewCache);
attributeAccessor.AccessorId.Value.AsColorArray(ref resultArray, bufferViewCache, offset);
attributeAccessor.AccessorContent = resultArray;
}
if (attributes.ContainsKey(SemanticProperties.TANGENT))
{
var attributeAccessor = attributes[SemanticProperties.TANGENT];
NumericArray resultArray = attributeAccessor.AccessorContent;
int offset = (int)LoadBufferView(attributeAccessor, out byte[] bufferViewCache);
attributeAccessor.AccessorId.Value.AsTangentArray(ref resultArray, bufferViewCache, offset);
attributeAccessor.AccessorContent = resultArray;
}
}
/// <summary>
/// Uses the accessor to parse the buffer into attributes needed to construct the mesh primitive
/// </summary>
/// <param name="attributes">A list of attributes to parse</param>
public static void BuildMeshAttributes(ref Dictionary <string, AttributeAccessor> attributes)
{
List <string> unrecognizedAttributes = new List <string>();
foreach (var kvp in attributes)
{
var attributeAccessor = kvp.Value;
NumericArray resultArray = attributeAccessor.AccessorContent;
uint offset = LoadBufferView(attributeAccessor, out byte[] bufferViewCache);
switch (kvp.Key)
{
case SemanticProperties.POSITION:
attributeAccessor.AccessorId.Value.AsVertexArray(ref resultArray, bufferViewCache, offset);
break;
case SemanticProperties.NORMAL:
attributeAccessor.AccessorId.Value.AsNormalArray(ref resultArray, bufferViewCache, offset);
break;
case SemanticProperties.TANGENT:
attributeAccessor.AccessorId.Value.AsTangentArray(ref resultArray, bufferViewCache, offset);
break;
case SemanticProperties.TEXCOORD_0:
case SemanticProperties.TEXCOORD_1:
case SemanticProperties.TEXCOORD_2:
case SemanticProperties.TEXCOORD_3:
attributeAccessor.AccessorId.Value.AsTexcoordArray(ref resultArray, bufferViewCache, offset);
break;
case SemanticProperties.COLOR_0:
attributeAccessor.AccessorId.Value.AsColorArray(ref resultArray, bufferViewCache, offset);
break;
case SemanticProperties.WEIGHTS_0:
case SemanticProperties.JOINTS_0:
attributeAccessor.AccessorId.Value.AsVector4Array(ref resultArray, bufferViewCache, offset);
break;
case SemanticProperties.INDICES:
attributeAccessor.AccessorId.Value.AsUIntArray(ref resultArray, bufferViewCache, offset);
break;
default:
unrecognizedAttributes.Add(kvp.Key);
continue;
}
attributeAccessor.AccessorContent = resultArray;
}
foreach (var attrib in unrecognizedAttributes)
{
attributes.Remove(attrib);
}
// TODO This should be a warning. Unrecognized attributes (e.g. TEXCOORD_4) should not cause full exceptions.
if (unrecognizedAttributes.Count > 0)
{
throw new GLTFLoadException($"Unrecognized mesh attributes [{string.Join(", ", unrecognizedAttributes.ToArray())}]");
}
}
public AttributeAccessor()
{
AccessorContent = new NumericArray();
}
public static float[] ParseMorphWeights(Accessor accessor, byte[] bufferData)
{
NumericArray array = new NumericArray();
return(accessor.AsFloatArray(ref array, bufferData));
}
public static float[] ParseKeyframeTimes(Accessor accessor, byte[] bufferData)
{
NumericArray array = new NumericArray();
return(accessor.AsFloatArray(ref array, bufferData));
}
public static Math.Vector3[] ParseVector3Keyframes(Accessor accessor, byte[] bufferData)
{
NumericArray array = new NumericArray();
return(accessor.AsVector3Array(ref array, bufferData, false));
}
public static Math.Vector4[] ParseRotationKeyframes(Accessor accessor, byte[] bufferData)
{
NumericArray array = new NumericArray();
return(accessor.AsVector4Array(ref array, bufferData, true));
}
