private Material CreateColoredTextureMaterial(Texture texture, float textureScale)
{
var gridComputeTexture = new ComputeTextureColor
{
Key = TexturingKeys.Texture0,
Texture = texture,
Scale = new Vector2(textureScale)
};
return(Material.New(GraphicsDevice, new MaterialDescriptor
{
Attributes =
{
Emissive = new MaterialEmissiveMapFeature(new ComputeBinaryColor(new ComputeColor()
{
Key = GridColorKey
}, gridComputeTexture, BinaryOperator.Multiply))
{
UseAlpha = true
},
Transparency = new MaterialTransparencyBlendFeature(),
CullMode = CullMode.None
}
}));
}
public static ComputeTextureColor GenerateMaterialTextureNode(string vfsOutputPath, string sourceTextureFile, uint textureUVSetIndex, Vector2 textureUVscaling, TextureAddressMode addressModeU, TextureAddressMode addressModeV, Logger logger)
{
var textureFileName = Path.GetFileNameWithoutExtension(sourceTextureFile);
var url = vfsOutputPath + "_" + textureFileName;
if (File.Exists(sourceTextureFile))
{
if (logger != null)
{
logger.Warning($"The texture '{sourceTextureFile}' referenced in the mesh material can not be found on the system. Loading will probably fail at run time.", CallerInfo.Get());
}
}
var uvScaling = textureUVscaling;
var textureName = textureFileName;
var texture = AttachedReferenceManager.CreateProxyObject <Texture>(AssetId.Empty, textureName);
var currentTexture = new ComputeTextureColor(texture, (TextureCoordinate)textureUVSetIndex, uvScaling, Vector2.Zero);
currentTexture.AddressModeU = addressModeU;
currentTexture.AddressModeV = addressModeV;
return(currentTexture);
}
public static List <Material> LoadMaterials(SharpGLTF.Schema2.ModelRoot root, GraphicsDevice device)
{
var result = new List <Material>();
foreach (var mat in root.LogicalMaterials)
{
var material = new MaterialDescriptor
{
Attributes = new MaterialAttributes()
};
foreach (var chan in mat.Channels)
{
if (chan.Texture != null)
{
var imgBuf = chan.Texture.PrimaryImage.Content.Content.ToArray();
var imgPtr = new DataPointer(GCHandle.Alloc(imgBuf, GCHandleType.Pinned).AddrOfPinnedObject(), imgBuf.Length);
var image = Stride.Graphics.Image.Load(imgPtr);
var texture = Texture.New(device, image, TextureFlags.None);
switch (chan.Key)
{
case "BaseColor":
var vt = new ComputeTextureColor(texture)
{
AddressModeU = TextureAddressMode.Wrap,
AddressModeV = TextureAddressMode.Wrap,
TexcoordIndex = TextureCoordinate.Texcoord0
};
material.Attributes.Diffuse = new MaterialDiffuseMapFeature(vt);
material.Attributes.DiffuseModel = new MaterialDiffuseLambertModelFeature();
break;
case "MetallicRoughness":
material.Attributes.MicroSurface = new MaterialGlossinessMapFeature(new ComputeTextureScalar(texture, TextureCoordinate.Texcoord0, Vector2.One, Vector2.Zero));
break;
case "Normal":
material.Attributes.Surface = new MaterialNormalMapFeature(new ComputeTextureColor(texture));
break;
case "Occlusion":
material.Attributes.Occlusion = new MaterialOcclusionMapFeature();
break;
case "Emissive":
material.Attributes.Emissive = new MaterialEmissiveMapFeature(new ComputeTextureColor(texture));
break;
}
}
}
material.Attributes.CullMode = CullMode.Back;
result.Add(Material.New(device, material));
}
return(result);
}
public MaterialDescriptor GetMaterial(int primitiveID)
{
var material = new MaterialDescriptor
{
Attributes = new MaterialAttributes()
};
foreach (var chan in CurrentMesh.Primitives[primitiveID].Material.Channels)
{
if (chan.Texture != null)
{
using var fs = new FileStream(chan.Texture.PrimaryImage.Content.SourcePath, FileMode.Open);
var image = Stride.Graphics.Image.Load(fs, true);
var texture = Texture.New(Device, image, TextureFlags.None);
switch (chan.Key)
{
case "BaseColor":
var vt = new ComputeTextureColor(texture)
{
AddressModeU = TextureAddressMode.Wrap,
AddressModeV = TextureAddressMode.Wrap,
TexcoordIndex = TextureCoordinate.Texcoord0
};
material.Attributes.Diffuse = new MaterialDiffuseMapFeature(vt);
material.Attributes.DiffuseModel = new MaterialDiffuseLambertModelFeature();
//material.Attributes.DiffuseModel = new MaterialDiffuseCelShadingModelFeature();
//Logger.Info("Added diffuse material");
break;
case "MetallicRoughness":
material.Attributes.MicroSurface = new MaterialGlossinessMapFeature(new ComputeTextureScalar(texture, TextureCoordinate.Texcoord0, Vector2.One, Vector2.Zero));
break;
case "Normal":
material.Attributes.Surface = new MaterialNormalMapFeature(new ComputeTextureColor(texture));
break;
case "Occlusion":
material.Attributes.Occlusion = new MaterialOcclusionMapFeature();
break;
case "Emissive":
material.Attributes.Emissive = new MaterialEmissiveMapFeature(new ComputeTextureColor(texture));
break;
}
}
}
material.Attributes.CullMode = CullMode.Back;
return(material);
}
/// <summary>
/// Initializes a new instance of the <see cref="MaterialDiffuseMapFeature"/> class.
/// </summary>
public MaterialDiffuseMapFeature()
{
DiffuseMap = new ComputeTextureColor();
}
/// <summary>
/// Initializes a new instance of the <see cref="MaterialSpecularMapFeature"/> class.
/// </summary>
public MaterialSpecularMapFeature()
{
SpecularMap = new ComputeTextureColor();
Intensity = new ComputeFloat(1.0f);
IsEnergyConservative = true;
}
public static MaterialAsset Create()
{
// Load default texture assets
var clearCoatLayerNormalMap = new ComputeTextureColor
{
Texture = AttachedReferenceManager.CreateProxyObject <Texture>(new AssetId("2f76bcba-ae9f-4954-b98d-f94c2102ff86"), "StrideCarPaintOrangePeelNM"),
Scale = new Vector2(8, 8)
};
var metalFlakesNormalMap = new ComputeTextureColor
{
Texture = AttachedReferenceManager.CreateProxyObject <Texture>(new AssetId("7e2761d1-ef86-420a-b7a7-a0ed1c16f9bb"), "StrideCarPaintMetalFlakesNM"),
Scale = new Vector2(128, 128),
UseRandomTextureCoordinates = true
};
var metalFlakesMask = new ComputeTextureScalar
{
Texture = AttachedReferenceManager.CreateProxyObject <Texture>(new AssetId("7e2761d1-ef86-420a-b7a7-a0ed1c16f9bb"), "StrideCarPaintMetalFlakesNM"),
Scale = new Vector2(128, 128),
UseRandomTextureCoordinates = true
};
// Red Paint
// Color4 defaultCarPaintColor = new Color4(0.274509817f, 0.003921569f, 0.0470588244f, 1.0f);
// Color4 defaultMetalFlakesColor = new Color4(defaultCarPaintColor.R * 2.0f, defaultCarPaintColor.G * 2.0f, defaultCarPaintColor.B * 2.0f, 1.0f);
// Blue Paint
Color4 defaultPaintColor = new Color4(0, 0.09411765f, 0.329411775f, 1.0f);
Color4 defaultMetalFlakesColor = new Color4(0, 0.180392161f, 0.6313726f, 1.0f);
var material = new MaterialAsset
{
Attributes =
{
Diffuse = new MaterialDiffuseMapFeature(new ComputeColor(Color4.Black)),
Specular = new MaterialMetalnessMapFeature(new ComputeFloat(0.0f)),
DiffuseModel = new MaterialDiffuseLambertModelFeature(),
SpecularModel = new MaterialSpecularMicrofacetModelFeature(),
ClearCoat = new MaterialClearCoatFeature
{
// Base Layer
BasePaintDiffuseMap = new ComputeColor(defaultPaintColor),
BasePaintGlossinessMap = new ComputeBinaryScalar(new ComputeFloat(0.50f), metalFlakesMask, BinaryOperator.Multiply),
// Metal Flakes Layer
MetalFlakesDiffuseMap = new ComputeColor(defaultMetalFlakesColor),
MetalFlakesGlossinessMap = new ComputeBinaryScalar(new ComputeFloat(1.00f), metalFlakesMask, BinaryOperator.Multiply),
MetalFlakesMetalnessMap = new ComputeFloat(1.00f),
MetalFlakesNormalMap = metalFlakesNormalMap,
MetalFlakesScaleAndBias = true,
// Clear coat layer
ClearCoatGlossinessMap = new ComputeFloat(1.00f),
ClearCoatMetalnessMap = new ComputeFloat(0.50f),
OrangePeelNormalMap = clearCoatLayerNormalMap,
OrangePeelScaleAndBias = true,
}
}
};
return(material);
}
