/// <summary>
/// Creates a new instance of this material. Material instances should be freed using
/// <see cref="Engine.Destroy(MaterialInstance)"/>.
/// </summary>
/// <returns>The newly created instance.</returns>
public MaterialInstance CreateInstance()
{
ThrowExceptionIfDisposed();
return(MaterialInstance.GetOrCreateCache(
Native.Material.CreateInstance(NativePtr)
));
}
/// <summary>
/// <para>Binds a material instance to the specified primitive.</para>
/// <para>If no material is specified for a given primitive, Filament will fall back to a basic default material.</para>
/// </summary>
/// <param name="index">Zero-based index of the primitive, must be less than the count passed to Builder constructor.</param>
/// <param name="materialInstance">The material to bind.</param>
public RenderableBuilder WithMaterial(int index, MaterialInstance materialInstance)
{
ThrowExceptionIfDisposed();
Native.RenderableBuilder.Material(NativePtr, index, materialInstance.NativePtr);
return(this);
}
/// <summary>
/// Retrieves the material instance that is bound to the given primitive.
/// </summary>
public MaterialInstance GetMaterialInstanceAt(int instance, int primitiveIndex)
{
ThrowExceptionIfDisposed();
return(MaterialInstance.GetOrCreateCache(
Native.RenderableManager.GetMaterialInstanceAt(NativePtr, instance, primitiveIndex)
));
}
/// <summary>
/// Destroys a MaterialInstance.
/// </summary>
/// <param name="materialInstance">A MaterialInstance.</param>
public bool Destroy(MaterialInstance materialInstance)
{
ThrowExceptionIfDisposed();
materialInstance.Dispose();
return(Native.Engine.DestroyMaterialInstance(NativePtr, materialInstance.NativePtr));
}
/// <summary>
/// Changes the material instance binding for the given primitive.
/// </summary>
public void SetMaterialInstanceAt(int instance, int primitiveIndex, MaterialInstance materialInstance)
{
ThrowExceptionIfDisposed();
Native.RenderableManager.SetMaterialInstanceAt(NativePtr, instance, primitiveIndex, materialInstance.NativePtr);
}
