feat: Add support for importing 64-bit GLB version 3 files

Author: aaronfranke

Packages/com.unity.cloud.gltfast.tests/Assets~/Unity/FormatVariants/README.md

@@ -5,7 +5,7 @@
 Textured cube in three format variants:
 
 1. glTF (JSON) with separate buffer and texture files.
-2. glTF-Binary (.glb)
+2. glTF-Binary (.glb) version 2 and version 3.
 3. glTF (JSON) with embedded buffer and texture.
 
 ## Legal

Packages/com.unity.cloud.gltfast.tests/Assets~/Unity/FormatVariants/glTF-Binary/FormatVariantsGLB3.glb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3044834b5e52b7c3c851a09a2b32642c27c75d84f549419370051604bbc7a2f2
+size 2636

Packages/com.unity.cloud.gltfast.tests/Tests/Editor/GltfImporterTest.cs

@@ -36,7 +36,7 @@ public void OneTimeTearDown()
             AssetDatabase.Refresh();
         }
 
-        [GltfTestCase("glTF-test-models", 65)]
+        [GltfTestCase("glTF-test-models", 66)]
         public IEnumerator GltfTestModels(GltfTestCaseSet testCaseSet, GltfTestCase testCase)
         {
 #if GLTFAST_EDITOR_IMPORT_OFF

Packages/com.unity.cloud.gltfast.tests/Tests/Runtime/Scripts/Import/AssetsTests.cs

@@ -26,7 +26,7 @@ public void OneTimeTearDown()
             m_Runner.Dispose();
         }
 
-        [GltfTestCase("glTF-test-models", 65)]
+        [GltfTestCase("glTF-test-models", 66)]
         public IEnumerator GltfTestModels(GltfTestCaseSet testCaseSet, GltfTestCase testCase)
         {
             yield return AsyncWrapper.WaitForTask(m_Runner.Run(testCaseSet, testCase));

Packages/com.unity.cloud.gltfast.tests/Tests/Runtime/Scripts/Import/CancellationTests.cs

@@ -40,7 +40,7 @@ public IEnumerator CancelImport_SampleAssets(GltfTestCaseSet testCaseSet, GltfTe
             yield return CancellationTestInternal(testCaseSet, testCase, k_MaxIterations);
         }
 
-        [GltfTestCase("glTF-test-models", 65)]
+        [GltfTestCase("glTF-test-models", 66)]
         public IEnumerator CancelImport_TestModels(GltfTestCaseSet testCaseSet, GltfTestCase testCase)
         {
             yield return CancellationTestInternal(testCaseSet, testCase, k_MaxIterations);

Packages/com.unity.cloud.gltfast.tests/Tests/Runtime/Scripts/Import/MemoryTests.cs

@@ -69,7 +69,7 @@ public IEnumerator LoadUnload_SampleAssets(GltfTestCaseSet testCaseSet, GltfTest
             yield return GetAllObjectsTestInternal(LoadFileInternal(testCaseSet, testCase), true);
         }
 
-        [GltfTestCase("glTF-test-models", 65)]
+        [GltfTestCase("glTF-test-models", 66)]
         public IEnumerator LoadUnload_TestModels(GltfTestCaseSet testCaseSet, GltfTestCase testCase)
         {
             yield return GetAllObjectsTestInternal(LoadFileInternal(testCaseSet, testCase), true);

Packages/com.unity.cloud.gltfast.tests/Tests/Runtime/TestCaseSets/glTF-test-models.asset

@@ -23,7 +23,7 @@ MonoBehaviour:
   - relativeUri: EightTexcoords/EightTexcoords.gltf
     expectLoadFail: 0
     expectInstantiationFail: 0
-    expectedLogCodes: 34000000
+    expectedLogCodes: 36000000
     requiredExtensions: 
   - relativeUri: EmbedBufferInvalid/EmbedBufferInvalid.gltf
     expectLoadFail: 1
@@ -63,7 +63,7 @@ MonoBehaviour:
   - relativeUri: NineTexcoords/NineTexcoords.gltf
     expectLoadFail: 0
     expectInstantiationFail: 0
-    expectedLogCodes: 34000000
+    expectedLogCodes: 36000000
     requiredExtensions: 
   - relativeUri: NoNormals/NoNormals.gltf
     expectLoadFail: 0
@@ -128,12 +128,12 @@ MonoBehaviour:
   - relativeUri: Bounds/BoundsMissing/BoundsMissing.gltf
     expectLoadFail: 0
     expectInstantiationFail: 0
-    expectedLogCodes: 20000000
+    expectedLogCodes: 22000000
     requiredExtensions: 
   - relativeUri: DracoSpecialCases/glTF/DracoSpecialCases.gltf
     expectLoadFail: 0
     expectInstantiationFail: 0
-    expectedLogCodes: 2000000034000000
+    expectedLogCodes: 2200000036000000
     requiredExtensions: 00000000
   - relativeUri: FormatVariants/glTF/FormatVariants.gltf
     expectLoadFail: 0
@@ -145,6 +145,11 @@ MonoBehaviour:
     expectInstantiationFail: 0
     expectedLogCodes: 
     requiredExtensions: 
+  - relativeUri: FormatVariants/glTF-Binary/FormatVariantsGLB3.glb
+    expectLoadFail: 0
+    expectInstantiationFail: 0
+    expectedLogCodes: 
+    requiredExtensions: 
   - relativeUri: FormatVariants/glTF-Embedded/FormatVariants.gltf
     expectLoadFail: 0
     expectInstantiationFail: 0

…d.gltfast/Runtime/Scripts/GlbBinChunk.cs …tfast/Runtime/Scripts/GltfBufferRange.csPackages/com.unity.cloud.gltfast/Runtime/Scripts/GlbBinChunk.cs renamed to Packages/com.unity.cloud.gltfast/Runtime/Scripts/GltfBufferRange.cs Packages/com.unity.cloud.gltfast/Runtime/Scripts/GlbBinChunk.cs renamed to Packages/com.unity.cloud.gltfast/Runtime/Scripts/GltfBufferRange.cs

@@ -5,13 +5,13 @@
 
 namespace GLTFast
 {
-    readonly struct GlbBinChunk
+    readonly struct GltfBufferRange
     {
-        public int Start { get; }
+        public long Start { get; }
 
-        public uint Length { get; }
+        public long Length { get; }
 
-        public GlbBinChunk(int start, uint length)
+        public GltfBufferRange(long start, long length)
         {
             Start = start;
             Length = length;