glTFMaterial.cs
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using System;
using UniJSON;
namespace UniGLTF
{
public enum glTFTextureTypes
{
BaseColor,
Metallic,
Normal,
Occlusion,
Emissive,
Unknown
}
public interface IglTFTextureinfo
{
glTFTextureTypes TextreType { get; }
}
[Serializable]
public abstract class glTFTextureInfo : JsonSerializableBase, IglTFTextureinfo
{
[JsonSchema(Required = true, Minimum = 0)]
public int index = -1;
[JsonSchema(Minimum = 0)]
public int texCoord;
// empty schemas
public object extensions;
public object extras;
protected override void SerializeMembers(GLTFJsonFormatter f)
{
f.KeyValue(() => index);
f.KeyValue(() => texCoord);
}
public abstract glTFTextureTypes TextreType { get; }
}
[Serializable]
public class glTFMaterialBaseColorTextureInfo : glTFTextureInfo
{
public override glTFTextureTypes TextreType
{
get { return glTFTextureTypes.BaseColor; }
}
}
[Serializable]
public class glTFMaterialMetallicRoughnessTextureInfo : glTFTextureInfo
{
public override glTFTextureTypes TextreType
{
get { return glTFTextureTypes.Metallic; }
}
}
[Serializable]
public class glTFMaterialNormalTextureInfo : glTFTextureInfo
{
public float scale = 1.0f;
protected override void SerializeMembers(GLTFJsonFormatter f)
{
f.KeyValue(() => scale);
base.SerializeMembers(f);
}
public override glTFTextureTypes TextreType
{
get { return glTFTextureTypes.Normal; }
}
}
[Serializable]
public class glTFMaterialOcclusionTextureInfo : glTFTextureInfo
{
[JsonSchema(Minimum = 0.0, Maximum = 1.0)]
public float strength = 1.0f;
protected override void SerializeMembers(GLTFJsonFormatter f)
{
f.KeyValue(() => strength);
base.SerializeMembers(f);
}
public override glTFTextureTypes TextreType
{
get { return glTFTextureTypes.Occlusion; }
}
}
[Serializable]
public class glTFMaterialEmissiveTextureInfo : glTFTextureInfo
{
public override glTFTextureTypes TextreType
{
get { return glTFTextureTypes.Emissive; }
}
}
[Serializable]
public class glTFPbrMetallicRoughness : JsonSerializableBase
{
public glTFMaterialBaseColorTextureInfo baseColorTexture = null;
[JsonSchema(MinItems = 4, MaxItems = 4)]
[ItemJsonSchema(Minimum = 0.0, Maximum = 1.0)]
public float[] baseColorFactor;
public glTFMaterialMetallicRoughnessTextureInfo metallicRoughnessTexture = null;
[JsonSchema(Minimum = 0.0, Maximum = 1.0)]
public float metallicFactor = 1.0f;
[JsonSchema(Minimum = 0.0, Maximum = 1.0)]
public float roughnessFactor = 1.0f;
// empty schemas
public object extensions;
public object extras;
protected override void SerializeMembers(GLTFJsonFormatter f)
{
if (baseColorTexture != null)
{
f.Key("baseColorTexture"); f.GLTFValue(baseColorTexture);
}
if (baseColorFactor != null)
{
f.KeyValue(() => baseColorFactor);
}
if (metallicRoughnessTexture != null)
{
f.Key("metallicRoughnessTexture"); f.GLTFValue(metallicRoughnessTexture);
}
f.KeyValue(() => metallicFactor);
f.KeyValue(() => roughnessFactor);
}
}
[Serializable]
public class glTFMaterial : JsonSerializableBase
{
public string name;
public glTFPbrMetallicRoughness pbrMetallicRoughness;
public glTFMaterialNormalTextureInfo normalTexture = null;
public glTFMaterialOcclusionTextureInfo occlusionTexture = null;
public glTFMaterialEmissiveTextureInfo emissiveTexture = null;
[JsonSchema(MinItems = 3, MaxItems = 3)]
[ItemJsonSchema(Minimum = 0.0, Maximum = 1.0)]
public float[] emissiveFactor;
[JsonSchema(EnumValues = new object[] { "OPAQUE", "MASK", "BLEND" }, EnumSerializationType = EnumSerializationType.AsUpperString)]
public string alphaMode;
[JsonSchema(Dependencies = new string[] { "alphaMode" }, Minimum = 0.0)]
public float alphaCutoff = 0.5f;
public bool doubleSided;
[JsonSchema(SkipSchemaComparison = true)]
public glTFMaterial_extensions extensions;
public object extras;
protected override void SerializeMembers(GLTFJsonFormatter f)
{
if (!String.IsNullOrEmpty(name))
{
f.Key("name"); f.Value(name);
}
if (pbrMetallicRoughness != null)
{
f.Key("pbrMetallicRoughness"); f.GLTFValue(pbrMetallicRoughness);
}
if (normalTexture != null)
{
f.Key("normalTexture"); f.GLTFValue(normalTexture);
}
if (occlusionTexture != null)
{
f.Key("occlusionTexture"); f.GLTFValue(occlusionTexture);
}
if (emissiveTexture != null)
{
f.Key("emissiveTexture"); f.GLTFValue(emissiveTexture);
}
if (emissiveFactor != null)
{
f.Key("emissiveFactor"); f.Serialize(emissiveFactor);
}
f.KeyValue(() => doubleSided);
if (!string.IsNullOrEmpty(alphaMode))
{
f.KeyValue(() => alphaMode);
}
if (extensions != null)
{
f.Key("extensions"); f.GLTFValue(extensions);
}
}
public glTFTextureInfo[] GetTextures()
{
return new glTFTextureInfo[]
{
pbrMetallicRoughness.baseColorTexture,
pbrMetallicRoughness.metallicRoughnessTexture,
normalTexture,
occlusionTexture,
emissiveTexture
};
}
}
}