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change condition to defencive

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This commit is contained in:
Masataka SUMI 2021-06-24 15:20:39 +09:00
parent 5ee806d672
commit 8e4cfafcf5
1 changed files with 3 additions and 3 deletions
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6
Assets/UniGLTF/Runtime/UniGLTF/IO/MaterialIO/MaterialExporter.cs
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@ -39,10 +39,10 @@ namespace UniGLTF
if (m.HasProperty("_MainTex"))
{
var hasTransparency = string.Equals(material.alphaMode, "MASK", StringComparison.Ordinal) ||
string.Equals(material.alphaMode, "BLEND", StringComparison.Ordinal);
// Don't export alpha channel if material was OPAQUE
var unnecessaryAlpha = string.Equals(material.alphaMode, "OPAQUE", StringComparison.Ordinal);
var index = textureManager.RegisterExportingAsSRgb(m.GetTexture("_MainTex"), hasTransparency);
var index = textureManager.RegisterExportingAsSRgb(m.GetTexture("_MainTex"), !unnecessaryAlpha);
if (index != -1)
{
material.pbrMetallicRoughness.baseColorTexture = new glTFMaterialBaseColorTextureInfo()