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[unity] Fixed an exception at SkeletonGraphic when no active attachments are set. MeshGenerator.GenerateSingleSubmeshInstruction() didn't handle the case of all-null attachments. Improved code to not generate an unnecessary empty instruction. Closes #1491.

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This commit is contained in:
Harald Csaszar 2019-09-23 13:09:11 +02:00
parent fb98a9b7c8
commit 085549e5fd
2 changed files with 11 additions and 9 deletions
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2
spine-unity/Assets/Spine/Runtime/spine-unity/Components/SkeletonGraphic.cs
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@ -313,7 +313,7 @@ namespace Spine.Unity {
var mesh = smartMesh.mesh;
meshGenerator.FillVertexData(mesh);
if (updateTriangles) meshGenerator.FillTrianglesSingle(mesh);
if (updateTriangles) meshGenerator.FillTriangles(mesh);
meshGenerator.FillLateVertexData(mesh);
canvasRenderer.SetMesh(mesh);

18
spine-unity/Assets/Spine/Runtime/spine-unity/Mesh Generation/MeshGenerator.cs
View File

@ -148,7 +148,6 @@ namespace Spine.Unity {
// Clear last state of attachments and submeshes
instructionOutput.Clear(); // submeshInstructions.Clear(); attachments.Clear();
var workingSubmeshInstructions = instructionOutput.submeshInstructions;
workingSubmeshInstructions.Resize(1);
#if SPINE_TRIANGLECHECK
instructionOutput.attachments.Resize(drawOrderCount);
@ -206,11 +205,12 @@ namespace Spine.Unity {
current.rawVertexCount += attachmentVertexCount;
totalRawVertexCount += attachmentVertexCount;
}
#if !SPINE_TK2D
if (material == null)
if (material == null && rendererObject != null)
current.material = (Material)((AtlasRegion)rendererObject).page.rendererObject;
#else
if (material == null)
if (material == null && rendererObject != null)
current.material = (rendererObject is Material) ? (Material)rendererObject : (Material)((AtlasRegion)rendererObject).page.rendererObject;
#endif
@ -218,7 +218,13 @@ namespace Spine.Unity {
instructionOutput.rawVertexCount = totalRawVertexCount;
#endif
workingSubmeshInstructions.Items[0] = current;
if (totalRawVertexCount > 0) {
workingSubmeshInstructions.Resize(1);
workingSubmeshInstructions.Items[0] = current;
}
else {
workingSubmeshInstructions.Resize(0);
}
}
public static void GenerateSkeletonRendererInstruction (SkeletonRendererInstruction instructionOutput, Skeleton skeleton, Dictionary<Slot, Material> customSlotMaterials, List<Slot> separatorSlots, bool generateMeshOverride, bool immutableTriangles = false) {
@ -1045,10 +1051,6 @@ namespace Spine.Unity {
for (int i = 0; i < submeshCount; i++)
mesh.SetTriangles(submeshesItems[i].Items, i, false);
}
public void FillTrianglesSingle (Mesh mesh) {
mesh.SetTriangles(submeshes.Items[0].Items, 0, false);
}
#endregion
public void EnsureVertexCapacity (int minimumVertexCount, bool inlcudeTintBlack = false, bool includeTangents = false, bool includeNormals = false) {