private Texture2D LoadTexture(int textureIndex)
{
var texture = data.gltf.Textures[textureIndex];
var ddsExtension = ExtensionUtil.LoadExtension <glTFLoader.Schema.Msft_texture_ddsExtension>(texture.Extensions, "MSFT_texture_dds");
if (ddsExtension != null && ddsExtension.Source.HasValue)
{
return(LoadDdsTexture(ddsExtension.Source.Value, texture.Sampler));
}
else if (texture.Source.HasValue)
{
return(LoadImageTexture(texture.Source.Value, texture.Sampler));
}
return(null);
}
public void LoadNode(int nodeIndex, Transform parent)
{
var node = data.gltf.Nodes[nodeIndex];
// Create object for node
var name = string.IsNullOrEmpty(node.Name) ? $"Node{nodeIndex}" : node.Name;
var obj = new GameObject(name);
var transform = obj.transform;
transform.SetParent(parent);
data.cache.nodes[nodeIndex] = obj;
// Set object transform
var matrix = GetNodeMatrix(node);
transform.localPosition = matrix.GetPosition();
transform.localRotation = matrix.GetRotation();
transform.localScale = matrix.GetScale();
var meshIndex = node.Mesh;
if (meshIndex.HasValue)
{
meshLoader.LoadMeshAndMaterials(meshIndex.Value, node.Skin, obj);
}
var colliderExtension = ExtensionUtil.LoadExtension <Unity_collidersNodeExtension>(node.Extensions, "Unity_colliders");
if (colliderExtension != null)
{
colliderLoader.LoadCollider(colliderExtension.Collider.Value, obj);
}
// Recursively load child nodes
var childNodeIndices = node.Children;
if (childNodeIndices != null)
{
foreach (var childNodeIndex in childNodeIndices)
{
LoadNode(childNodeIndex, transform);
}
}
}
public void LoadCollider(int colliderIndex, GameObject obj)
{
var colliderExtension = ExtensionUtil.LoadExtension <Unity_collidersGltfExtension>(data.gltf.Extensions, "Unity_colliders");
var collider = colliderExtension.Colliders[colliderIndex];
if (collider.BoxCollider != null)
{
LoadBoxCollider(collider.BoxCollider, obj);
}
else if (collider.SphereCollider != null)
{
LoadSphereCollider(collider.SphereCollider, obj);
}
else if (collider.CapsuleCollider != null)
{
LoadCapsuleCollider(collider.CapsuleCollider, obj);
}
else if (collider.MeshCollider != null)
{
LoadMeshCollider(collider.MeshCollider, obj);
}
}
private void LoadEmissiveMap(glTFLoader.Schema.Material material, Material unityMaterial)
{
var emissiveTexture = material.EmissiveTexture;
if (emissiveTexture != null || material.ShouldSerializeEmissiveFactor())
{
// Strength
var strengthExtension = ExtensionUtil.LoadExtension <glTFLoader.Schema.Khr_materials_emissive_strength>(material.Extensions, "KHR_materials_emissive_strength");
var strength = strengthExtension != null ? strengthExtension.EmissiveStrength : 1f;
// Factor
var factor = TypeConverter.ConvertColor(material.EmissiveFactor);
unityMaterial.SetColor("_EmissionColor", factor * strength);
// Texture
if (emissiveTexture != null)
{
var texture = textureLoader.LoadTexture(emissiveTexture.Index, false);
unityMaterial.SetTexture("_EmissionMap", texture);
}
unityMaterial.EnableKeyword("_EMISSION");
}
}