/// Map gltfIndex values (ie, int indices) names to the objects they refer to
public override void Dereference(IUriLoader uriLoader = null, PolyFormat gltfFormat = null)
{
// "dereference" all the indices
scenePtr = scenes[scene];
for (int i = 0; i < buffers.Count; i++)
{
Gltf2Buffer buffer = buffers[i];
buffer.gltfIndex = i;
if (uriLoader != null)
{
// Only id 0 may lack a URI; this indicates that it is the binary chunk.
Debug.Assert(!(i != 0 && buffer.uri == null));
buffer.data = uriLoader.Load(buffer.uri);
}
else if (gltfFormat != null)
{
// Runtime import case; the uris refer to resource files in the PolyFormat.
foreach (PolyFile resource in gltfFormat.resources)
{
if (resource.relativePath == buffer.uri)
{
buffer.data = new Reader(resource.contents);
break;
}
}
}
}
for (int i = 0; i < accessors.Count; i++)
{
accessors[i].gltfIndex = i;
accessors[i].bufferViewPtr = bufferViews[accessors[i].bufferView];
}
for (int i = 0; i < bufferViews.Count; i++)
{
bufferViews[i].gltfIndex = i;
bufferViews[i].bufferPtr = buffers[bufferViews[i].buffer];
}
for (int i = 0; i < meshes.Count; i++)
{
meshes[i].gltfIndex = i;
foreach (var prim in meshes[i].primitives)
{
prim.attributePtrs = prim.attributes.ToDictionary(
elt => elt.Key,
elt => accessors[elt.Value]);
prim.indicesPtr = accessors[prim.indices];
prim.materialPtr = materials[prim.material];
}
}
if (images != null)
{
for (int i = 0; i < images.Count; i++)
{
images[i].gltfIndex = i;
}
}
if (textures != null)
{
for (int i = 0; i < textures.Count; i++)
{
textures[i].gltfIndex = i;
textures[i].sourcePtr = images[textures[i].source];
}
}
for (int i = 0; i < materials.Count; i++)
{
Gltf2Material mat = materials[i];
mat.gltfIndex = i;
DereferenceTextureInfo(mat.emissiveTexture);
DereferenceTextureInfo(mat.normalTexture);
if (mat.pbrMetallicRoughness != null)
{
DereferenceTextureInfo(mat.pbrMetallicRoughness.baseColorTexture);
DereferenceTextureInfo(mat.pbrMetallicRoughness.metallicRoughnessTexture);
}
}
for (int i = 0; i < nodes.Count; i++)
{
nodes[i].gltfIndex = i;
Gltf2Node node = nodes[i];
if (node.mesh >= 0)
{
node.meshPtr = meshes[node.mesh];
}
if (node.children != null)
{
node.childPtrs = node.children.Select(id => nodes[id]).ToList();
}
}
for (int i = 0; i < scenes.Count; i++)
{
scenes[i].gltfIndex = i;
var thisScene = scenes[i];
if (thisScene.nodes != null)
{
thisScene.nodePtrs = thisScene.nodes.Select(index => nodes[index]).ToList();
}
}
}
/// Map gltfIndex values (ie, int indices) names to the objects they refer to
public override void Dereference(bool isGlb, IUriLoader uriLoader = null)
{
// "dereference" all the indices
scenePtr = scenes[scene];
for (int i = 0; i < buffers.Count; i++)
{
Gltf2Buffer buffer = buffers[i];
buffer.gltfIndex = i;
if (buffer.uri == null && !(i == 0 && isGlb))
{
Debug.LogErrorFormat("Buffer {0} isGlb {1} has null uri", i, isGlb);
// leave the data buffer null
return;
}
if (uriLoader != null)
{
buffer.data = uriLoader.Load(buffer.uri);
}
}
for (int i = 0; i < accessors.Count; i++)
{
accessors[i].gltfIndex = i;
accessors[i].bufferViewPtr = bufferViews[accessors[i].bufferView];
}
for (int i = 0; i < bufferViews.Count; i++)
{
bufferViews[i].gltfIndex = i;
bufferViews[i].bufferPtr = buffers[bufferViews[i].buffer];
}
for (int i = 0; i < meshes.Count; i++)
{
meshes[i].gltfIndex = i;
foreach (var prim in meshes[i].primitives)
{
prim.attributePtrs = prim.attributes.ToDictionary(
elt => elt.Key,
elt => accessors[elt.Value]);
prim.indicesPtr = accessors[prim.indices];
prim.materialPtr = materials[prim.material];
}
}
if (images != null)
{
for (int i = 0; i < images.Count; i++)
{
images[i].gltfIndex = i;
}
}
if (textures != null)
{
for (int i = 0; i < textures.Count; i++)
{
textures[i].gltfIndex = i;
textures[i].sourcePtr = images[textures[i].source];
}
}
for (int i = 0; i < materials.Count; i++)
{
Gltf2Material mat = materials[i];
mat.gltfIndex = i;
DereferenceTextureInfo(mat.emissiveTexture);
DereferenceTextureInfo(mat.normalTexture);
if (mat.pbrMetallicRoughness != null)
{
DereferenceTextureInfo(mat.pbrMetallicRoughness.baseColorTexture);
DereferenceTextureInfo(mat.pbrMetallicRoughness.metallicRoughnessTexture);
}
DereferenceTextureInfo(mat.extensions?.KHR_materials_pbrSpecularGlossiness?.diffuseTexture);
}
for (int i = 0; i < nodes.Count; i++)
{
nodes[i].gltfIndex = i;
Gltf2Node node = nodes[i];
if (node.mesh >= 0)
{
node.meshPtr = meshes[node.mesh];
}
if (node.children != null)
{
node.childPtrs = node.children.Select(id => nodes[id]).ToList();
}
}
for (int i = 0; i < scenes.Count; i++)
{
scenes[i].gltfIndex = i;
var thisScene = scenes[i];
if (thisScene.nodes != null)
{
thisScene.nodePtrs = thisScene.nodes.Select(index => nodes[index]).ToList();
}
}
}