public void GltfSampleModelsTest_DamagedHelmet()
{
var env = System.Environment.GetEnvironmentVariable("GLTF_SAMPLE_MODELS");
if (string.IsNullOrEmpty(env))
{
return;
}
var root = new DirectoryInfo($"{env}/2.0");
if (!root.Exists)
{
return;
}
{
var path = Path.Combine(root.FullName, "DamagedHelmet/glTF-Binary/DamagedHelmet.glb");
var data = new AmbiguousGltfFileParser(path).Parse();
var matDesc = new GltfMaterialDescriptorGenerator().Get(data, 0);
Assert.AreEqual("Standard", matDesc.ShaderName);
Assert.AreEqual(5, matDesc.TextureSlots.Count);
var(key, value) = matDesc.EnumerateSubAssetKeyValue().First();
Assert.AreEqual(new SubAssetKey(typeof(Texture2D), "texture_0"), key);
}
}
public override void OnEnable()
{
base.OnEnable();
m_importer = target as ZipArchivedGltfScriptedImporter;
m_data = new AutoGltfFileParser(m_importer.assetPath).Parse();
var materialGenerator = new GltfMaterialDescriptorGenerator();
var materialKeys = m_data.GLTF.materials.Select((_, i) => materialGenerator.Get(m_data, i).SubAssetKey);
var textureKeys = new GltfTextureDescriptorGenerator(m_data).Get().GetEnumerable().Select(x => x.SubAssetKey);
m_materialEditor = new RemapEditorMaterial(materialKeys.Concat(textureKeys), GetEditorMap, SetEditorMap);
m_animationEditor = new RemapEditorAnimation(AnimationImporterUtil.EnumerateSubAssetKeys(m_data.GLTF), GetEditorMap, SetEditorMap);
}
public ImporterContext(
GltfData data,
IReadOnlyDictionary <SubAssetKey, UnityEngine.Object> externalObjectMap = null,
ITextureDeserializer textureDeserializer = null)
{
Data = data;
TextureDescriptorGenerator = new GltfTextureDescriptorGenerator(Data);
MaterialDescriptorGenerator = new GltfMaterialDescriptorGenerator();
ExternalObjectMap = externalObjectMap ?? new Dictionary <SubAssetKey, UnityEngine.Object>();
textureDeserializer = textureDeserializer ?? new UnityTextureDeserializer();
TextureFactory = new TextureFactory(textureDeserializer, ExternalObjectMap
.Where(x => x.Value is Texture)
.ToDictionary(x => x.Key, x => (Texture)x.Value),
Data.MigrationFlags.IsRoughnessTextureValueSquared);
MaterialFactory = new MaterialFactory(ExternalObjectMap
.Where(x => x.Value is Material)
.ToDictionary(x => x.Key, x => (Material)x.Value));
AnimationClipFactory = new AnimationClipFactory(ExternalObjectMap
.Where(x => x.Value is AnimationClip)
.ToDictionary(x => x.Key, x => (AnimationClip)x.Value));
}
public static bool TryCreateParam(GltfData data, int i, out MaterialDescriptor matDesc)
{
if (i < 0 || i >= data.GLTF.materials.Count)
{
matDesc = default;
return(false);
}
var textureSlots = new Dictionary <string, TextureDescriptor>();
var floatValues = new Dictionary <string, float>();
var colors = new Dictionary <string, Color>();
var vectors = new Dictionary <string, Vector4>();
var actions = new List <Action <Material> >();
var src = data.GLTF.materials[i];
var standardTexDesc = default(TextureDescriptor);
if (src.pbrMetallicRoughness != null || src.occlusionTexture != null)
{
if (src.pbrMetallicRoughness.metallicRoughnessTexture != null || src.occlusionTexture != null)
{
SubAssetKey key;
(key, standardTexDesc) = GltfPbrTextureImporter.StandardTexture(data, src);
}
if (src.pbrMetallicRoughness.baseColorFactor != null && src.pbrMetallicRoughness.baseColorFactor.Length == 4)
{
// from _Color !
colors.Add("_BaseColor",
src.pbrMetallicRoughness.baseColorFactor.ToColor4(ColorSpace.Linear, ColorSpace.sRGB)
);
}
if (src.pbrMetallicRoughness.baseColorTexture != null && src.pbrMetallicRoughness.baseColorTexture.index != -1)
{
var(key, textureParam) = GltfPbrTextureImporter.BaseColorTexture(data, src);
// from _MainTex !
textureSlots.Add("_BaseMap", textureParam);
}
if (src.pbrMetallicRoughness.metallicRoughnessTexture != null && src.pbrMetallicRoughness.metallicRoughnessTexture.index != -1)
{
actions.Add(material => material.EnableKeyword("_METALLICGLOSSMAP"));
textureSlots.Add("_MetallicGlossMap", standardTexDesc);
// Set 1.0f as hard-coded. See: https://github.com/dwango/UniVRM/issues/212.
floatValues.Add("_Metallic", 1.0f);
floatValues.Add("_GlossMapScale", 1.0f);
// default value is 0.5 !
floatValues.Add("_Smoothness", 1.0f);
}
else
{
floatValues.Add("_Metallic", src.pbrMetallicRoughness.metallicFactor);
// from _Glossiness !
floatValues.Add("_Smoothness", 1.0f - src.pbrMetallicRoughness.roughnessFactor);
}
}
if (src.normalTexture != null && src.normalTexture.index != -1)
{
actions.Add(material => material.EnableKeyword("_NORMALMAP"));
var(key, textureParam) = GltfPbrTextureImporter.NormalTexture(data, src);
textureSlots.Add("_BumpMap", textureParam);
floatValues.Add("_BumpScale", src.normalTexture.scale);
}
if (src.occlusionTexture != null && src.occlusionTexture.index != -1)
{
textureSlots.Add("_OcclusionMap", standardTexDesc);
floatValues.Add("_OcclusionStrength", src.occlusionTexture.strength);
}
if (src.emissiveFactor != null ||
(src.emissiveTexture != null && src.emissiveTexture.index != -1))
{
actions.Add(material =>
{
material.EnableKeyword("_EMISSION");
material.globalIlluminationFlags &= ~MaterialGlobalIlluminationFlags.EmissiveIsBlack;
});
if (src.emissiveFactor != null && src.emissiveFactor.Length == 3)
{
var emissiveFactor = src.emissiveFactor.ToColor3(ColorSpace.Linear, ColorSpace.Linear);
if (UniGLTF.glTF_KHR_materials_emissive_strength.TryGet(src.extensions,
out UniGLTF.glTF_KHR_materials_emissive_strength emissiveStrength))
{
emissiveFactor *= emissiveStrength.emissiveStrength;
}
else if (UniGLTF.Extensions.VRMC_materials_hdr_emissiveMultiplier.GltfDeserializer.TryGet(src.extensions,
out UniGLTF.Extensions.VRMC_materials_hdr_emissiveMultiplier.VRMC_materials_hdr_emissiveMultiplier ex))
{
emissiveFactor *= ex.EmissiveMultiplier.Value;
}
colors.Add("_EmissionColor", emissiveFactor);
}
if (src.emissiveTexture != null && src.emissiveTexture.index != -1)
{
var(key, textureParam) = GltfPbrTextureImporter.EmissiveTexture(data, src);
textureSlots.Add("_EmissionMap", textureParam);
}
}
actions.Add(material =>
{
BlendMode blendMode = BlendMode.Opaque;
// https://forum.unity.com/threads/standard-material-shader-ignoring-setfloat-property-_mode.344557/#post-2229980
switch (src.alphaMode)
{
case "BLEND":
blendMode = BlendMode.Fade;
material.SetOverrideTag("RenderType", "Transparent");
material.SetInt(SrcBlend, (int)UnityEngine.Rendering.BlendMode.SrcAlpha);
material.SetInt(DstBlend, (int)UnityEngine.Rendering.BlendMode.OneMinusSrcAlpha);
material.SetInt(ZWrite, 0);
material.DisableKeyword("_ALPHATEST_ON");
material.EnableKeyword("_ALPHABLEND_ON");
material.DisableKeyword("_ALPHAPREMULTIPLY_ON");
material.renderQueue = 3000;
break;
case "MASK":
blendMode = BlendMode.Cutout;
material.SetOverrideTag("RenderType", "TransparentCutout");
material.SetInt(SrcBlend, (int)UnityEngine.Rendering.BlendMode.One);
material.SetInt(DstBlend, (int)UnityEngine.Rendering.BlendMode.Zero);
material.SetInt(ZWrite, 1);
material.SetFloat(Cutoff, src.alphaCutoff);
material.EnableKeyword("_ALPHATEST_ON");
material.DisableKeyword("_ALPHABLEND_ON");
material.DisableKeyword("_ALPHAPREMULTIPLY_ON");
material.renderQueue = 2450;
break;
default: // OPAQUE
blendMode = BlendMode.Opaque;
material.SetOverrideTag("RenderType", "");
material.SetInt(SrcBlend, (int)UnityEngine.Rendering.BlendMode.One);
material.SetInt(DstBlend, (int)UnityEngine.Rendering.BlendMode.Zero);
material.SetInt(ZWrite, 1);
material.DisableKeyword("_ALPHATEST_ON");
material.DisableKeyword("_ALPHABLEND_ON");
material.DisableKeyword("_ALPHAPREMULTIPLY_ON");
material.renderQueue = -1;
break;
}
material.SetFloat("_Mode", (float)blendMode);
});
matDesc = new MaterialDescriptor(
GltfMaterialDescriptorGenerator.GetMaterialName(i, src),
ShaderName,
null,
textureSlots,
floatValues,
colors,
vectors,
actions);
return(true);
}
public static bool TryCreateParam(GltfData data, int i, out MaterialDescriptor matDesc)
{
if (i < 0 || i >= data.GLTF.materials.Count)
{
matDesc = default;
return(false);
}
var src = data.GLTF.materials[i];
if (!glTF_KHR_materials_unlit.IsEnable(src))
{
matDesc = default;
return(false);
}
matDesc = new MaterialDescriptor(GltfMaterialDescriptorGenerator.GetMaterialName(i, src), ShaderName);
// texture
if (src.pbrMetallicRoughness.baseColorTexture != null)
{
var(offset, scale) = GltfTextureImporter.GetTextureOffsetAndScale(src.pbrMetallicRoughness.baseColorTexture);
var(key, textureParam) = GltfTextureImporter.CreateSRGB(data, src.pbrMetallicRoughness.baseColorTexture.index, offset, scale);
matDesc.TextureSlots.Add("_MainTex", textureParam);
}
// color
if (src.pbrMetallicRoughness.baseColorFactor != null && src.pbrMetallicRoughness.baseColorFactor.Length == 4)
{
matDesc.Colors.Add("_Color",
src.pbrMetallicRoughness.baseColorFactor.ToColor4(ColorSpace.Linear, ColorSpace.sRGB)
);
}
//renderMode
matDesc.Actions.Add(material =>
{
if (src.alphaMode == "OPAQUE")
{
UniUnlit.Utils.SetRenderMode(material, UniUnlit.UniUnlitRenderMode.Opaque);
}
else if (src.alphaMode == "BLEND")
{
UniUnlit.Utils.SetRenderMode(material, UniUnlit.UniUnlitRenderMode.Transparent);
}
else if (src.alphaMode == "MASK")
{
UniUnlit.Utils.SetRenderMode(material, UniUnlit.UniUnlitRenderMode.Cutout);
material.SetFloat("_Cutoff", src.alphaCutoff);
}
else
{
// default OPAQUE
UniUnlit.Utils.SetRenderMode(material, UniUnlit.UniUnlitRenderMode.Opaque);
}
// culling
if (src.doubleSided)
{
UniUnlit.Utils.SetCullMode(material, UniUnlit.UniUnlitCullMode.Off);
}
else
{
UniUnlit.Utils.SetCullMode(material, UniUnlit.UniUnlitCullMode.Back);
}
// VColor
var hasVertexColor = data.GLTF.MaterialHasVertexColor(i);
if (hasVertexColor)
{
UniUnlit.Utils.SetVColBlendMode(material, UniUnlit.UniUnlitVertexColorBlendOp.Multiply);
}
UniUnlit.Utils.ValidateProperties(material, true);
});
return(true);
}
public static bool TryCreateParam(GltfData data, int i, out MaterialDescriptor matDesc)
{
if (i < 0 || i >= data.GLTF.materials.Count)
{
matDesc = default;
return(false);
}
var src = data.GLTF.materials[i];
if (!glTF_KHR_materials_unlit.IsEnable(src))
{
matDesc = default;
return(false);
}
var textureSlots = new Dictionary <string, TextureDescriptor>();
var colors =
src.pbrMetallicRoughness.baseColorFactor != null &&
src.pbrMetallicRoughness.baseColorFactor.Length == 4
? new Dictionary <string, Color>
{
{
"_Color",
src.pbrMetallicRoughness.baseColorFactor.ToColor4(ColorSpace.Linear, ColorSpace.sRGB)
}
}
: new Dictionary <string, Color>();
// texture
if (src.pbrMetallicRoughness.baseColorTexture != null)
{
var(offset, scale) =
GltfTextureImporter.GetTextureOffsetAndScale(src.pbrMetallicRoughness.baseColorTexture);
var(key, textureParam) = GltfTextureImporter.CreateSrgb(data,
src.pbrMetallicRoughness.baseColorTexture.index, offset, scale);
textureSlots.Add("_MainTex", textureParam);
}
matDesc = new MaterialDescriptor(
GltfMaterialDescriptorGenerator.GetMaterialName(i, src),
UniUnlitUtil.ShaderName,
null,
textureSlots,
new Dictionary <string, float>(),
colors,
new Dictionary <string, Vector4>(),
new Action <Material>[]
{
//renderMode
material =>
{
switch (src.alphaMode)
{
case "OPAQUE":
UniUnlitUtil.SetRenderMode(material, UniUnlitRenderMode.Opaque);
break;
case "BLEND":
UniUnlitUtil.SetRenderMode(material, UniUnlitRenderMode.Transparent);
break;
case "MASK":
UniUnlitUtil.SetRenderMode(material, UniUnlitRenderMode.Cutout);
material.SetFloat(Cutoff, src.alphaCutoff);
break;
default:
// default OPAQUE
UniUnlitUtil.SetRenderMode(material, UniUnlitRenderMode.Opaque);
break;
}
// culling
if (src.doubleSided)
{
UniUnlitUtil.SetCullMode(material, UniUnlitCullMode.Off);
}
else
{
UniUnlitUtil.SetCullMode(material, UniUnlitCullMode.Back);
}
// VColor
var hasVertexColor = data.MaterialHasVertexColor(i);
if (hasVertexColor)
{
UniUnlitUtil.SetVColBlendMode(material, UniUnlitVertexColorBlendOp.Multiply);
}
UniUnlitUtil.ValidateProperties(material, true);
}
}
);
return(true);
}
