public static void GetGradientPropertiesForPreview(PropertyCollector properties, string name, Gradient value)
{
properties.AddShaderProperty(new Vector1ShaderProperty()
{
overrideReferenceName = $"{name}_Type",
value = (int)value.mode,
generatePropertyBlock = false
});
properties.AddShaderProperty(new Vector1ShaderProperty()
{
overrideReferenceName = $"{name}_ColorsLength",
value = value.colorKeys.Length,
generatePropertyBlock = false
});
properties.AddShaderProperty(new Vector1ShaderProperty()
{
overrideReferenceName = $"{name}_AlphasLength",
value = value.alphaKeys.Length,
generatePropertyBlock = false
});
for (int i = 0; i < 8; i++)
{
properties.AddShaderProperty(new Vector4ShaderProperty()
{
overrideReferenceName = $"{name}_ColorKey{i}",
value = i < value.colorKeys.Length ? GradientUtil.ColorKeyToVector(value.colorKeys[i]) : Vector4.zero,
generatePropertyBlock = false
});
}
for (int i = 0; i < 8; i++)
{
properties.AddShaderProperty(new Vector2ShaderProperty()
{
overrideReferenceName = $"{name}_AlphaKey{i}",
value = i < value.alphaKeys.Length ? GradientUtil.AlphaKeyToVector(value.alphaKeys[i]) : Vector2.zero,
generatePropertyBlock = false
});
}
}
public void SetMaterialPropertyBlockValue(Material mat)
{
if ((propType == PropertyType.Texture2D || propType == PropertyType.Texture2DArray || propType == PropertyType.Texture3D) && textureValue != null)
{
mat.SetTexture(name, m_ClassData.textureValue);
}
else if (propType == PropertyType.Cubemap && cubemapValue != null)
{
mat.SetTexture(name, m_ClassData.cubemapValue);
}
else if (propType == PropertyType.Color)
{
mat.SetColor(name, m_StructData.colorValue);
}
else if (propType == PropertyType.Vector2 || propType == PropertyType.Vector3 || propType == PropertyType.Vector4)
{
mat.SetVector(name, m_StructData.vector4Value);
}
else if (propType == PropertyType.Vector1)
{
mat.SetFloat(name, m_StructData.floatValue);
}
else if (propType == PropertyType.Boolean)
{
mat.SetFloat(name, m_StructData.booleanValue ? 1 : 0);
}
else if (propType == PropertyType.Matrix2 || propType == PropertyType.Matrix3 || propType == PropertyType.Matrix4)
{
mat.SetMatrix(name, m_StructData.matrixValue);
}
else if (propType == PropertyType.Gradient)
{
mat.SetFloat(string.Format("{0}_Type", name), (int)m_ClassData.gradientValue.mode);
mat.SetFloat(string.Format("{0}_ColorsLength", name), m_ClassData.gradientValue.colorKeys.Length);
mat.SetFloat(string.Format("{0}_AlphasLength", name), m_ClassData.gradientValue.alphaKeys.Length);
for (int i = 0; i < 8; i++)
{
mat.SetVector(string.Format("{0}_ColorKey{1}", name, i), i < m_ClassData.gradientValue.colorKeys.Length ? GradientUtil.ColorKeyToVector(m_ClassData.gradientValue.colorKeys[i]) : Vector4.zero);
}
for (int i = 0; i < 8; i++)
{
mat.SetVector(string.Format("{0}_AlphaKey{1}", name, i), i < m_ClassData.gradientValue.alphaKeys.Length ? GradientUtil.AlphaKeyToVector(m_ClassData.gradientValue.alphaKeys[i]) : Vector2.zero);
}
}
}
public void SetValueOnMaterialPropertyBlock(MaterialPropertyBlock mat)
{
if ((propType == PropertyType.Texture2D || propType == PropertyType.Texture2DArray || propType == PropertyType.Texture3D))
{
if (m_ClassData.textureValue == null)
{
// there's no way to set the texture back to NULL
// and no way to delete the property either
// so instead we set the value to what we know the default will be
// (all textures in ShaderGraph default to white)
mat.SetTexture(name, Texture2D.whiteTexture);
}
else
{
mat.SetTexture(name, m_ClassData.textureValue);
}
}
else if (propType == PropertyType.Cubemap)
{
if (m_ClassData.cubemapValue == null)
{
// there's no way to set the texture back to NULL
// and no way to delete the property either
// so instead we set the value to what we know the default will be
// (all textures in ShaderGraph default to white)
// there's no Cubemap.whiteTexture, but this seems to work
mat.SetTexture(name, Texture2D.whiteTexture);
}
else
{
mat.SetTexture(name, m_ClassData.cubemapValue);
}
}
else if (propType == PropertyType.Color)
{
mat.SetColor(name, m_StructData.colorValue);
}
else if (propType == PropertyType.Vector2 || propType == PropertyType.Vector3 || propType == PropertyType.Vector4)
{
mat.SetVector(name, m_StructData.vector4Value);
}
else if (propType == PropertyType.Vector1)
{
mat.SetFloat(name, m_StructData.floatValue);
}
else if (propType == PropertyType.Boolean)
{
mat.SetFloat(name, m_StructData.booleanValue ? 1 : 0);
}
else if (propType == PropertyType.Matrix2 || propType == PropertyType.Matrix3 || propType == PropertyType.Matrix4)
{
mat.SetMatrix(name, m_StructData.matrixValue);
}
else if (propType == PropertyType.Gradient)
{
mat.SetFloat(string.Format("{0}_Type", name), (int)m_ClassData.gradientValue.mode);
mat.SetFloat(string.Format("{0}_ColorsLength", name), m_ClassData.gradientValue.colorKeys.Length);
mat.SetFloat(string.Format("{0}_AlphasLength", name), m_ClassData.gradientValue.alphaKeys.Length);
for (int i = 0; i < 8; i++)
{
mat.SetVector(string.Format("{0}_ColorKey{1}", name, i), i < m_ClassData.gradientValue.colorKeys.Length ? GradientUtil.ColorKeyToVector(m_ClassData.gradientValue.colorKeys[i]) : Vector4.zero);
}
for (int i = 0; i < 8; i++)
{
mat.SetVector(string.Format("{0}_AlphaKey{1}", name, i), i < m_ClassData.gradientValue.alphaKeys.Length ? GradientUtil.AlphaKeyToVector(m_ClassData.gradientValue.alphaKeys[i]) : Vector2.zero);
}
}
else if (propType == PropertyType.VirtualTexture)
{
// virtual texture assignments are not supported via the material property block, we must assign them to the materials
}
}
