/*
        This example demonstrates how to set up and export a shader compound containing another nested
        shader compound, where the nested shader compound can be either embedded or referenced.
*/
// For readability, we are always saving to the user's RTCompounds directory
var path = XSIUtils.BuildPath(
        Application.InstallationPath(siUserPath),
        "Data", "RTCompounds"
);
// Convenience function to create and export a shader compound (innerSC.xsirtcompound)
// that we will reference/nest in the outerSC*.xsirtcompound shader compounds.
function CreateInnerCompound()
{
        NewScene( null, false );
        CreatePrim( "Torus", "MeshSurface" );
        CreateShaderFromPreset( "Shaders\\Texture\\Gradient.Preset", 
                "Sources.Materials.DefaultLib.Scene_Material" );
        CreateShaderFromPreset( "Shaders\\Texture\\Grid.Preset", 
                "Sources.Materials.DefaultLib.Scene_Material" );
        SIConnectShaderToCnxPoint( "Sources.Materials.DefaultLib.Scene_Material.Grid", 
                "Sources.Materials.DefaultLib.Scene_Material.Phong.ambient", false );
        SIConnectShaderToCnxPoint( "Sources.Materials.DefaultLib.Scene_Material.Gradient", 
                "Sources.Materials.DefaultLib.Scene_Material.Grid.line_color", false );
        CreateShaderCompound( "Sources.Materials.DefaultLib.Scene_Material.Gradient,"
                + "Sources.Materials.DefaultLib.Scene_Material.Grid" );
        ExportShaderCompound( "Sources.Materials.DefaultLib.Scene_Material.ShaderCompound", 
                path+"\\innerSC.xsirtcompound" );
}
// Convenience function to create and export two shader compounds (outerSCembedd*.xsirtcompound)
// and outerSCreffed.xsirtcompound), both of which contain the nested shader compound created
// with the CreateInnerCompound() function. This function can be called to export the shader
// compound with either a referenced (default) nested shader, or an embedded nested shader.
function CreateOuterCompound( in_embed )
{
        NewScene( null, false );
        CreatePrim( "Torus", "MeshSurface" );
        // This is where we reference and connect the exported shader compound already
        // created in the CreateInnerCompound() function
        ImportShaderCompound( "Sources.Materials.DefaultLib.Scene_Material", 
                path+"\\innerSC.xsirtcompound" );
        SIConnectShaderToCnxPoint( "Sources.Materials.DefaultLib.Scene_Material.ShaderCompound.ambient", 
                "Sources.Materials.DefaultLib.Scene_Material.Phong.ambient", false );
        CreateShaderFromPreset( "Shaders\\Texture\\Fractal.Preset", 
                "Sources.Materials.DefaultLib.Scene_Material" );
        SIConnectShaderToCnxPoint( "Sources.Materials.DefaultLib.Scene_Material.Fractal", 
                "Sources.Materials.DefaultLib.Scene_Material.Phong.specular", false );
        CreateShaderFromPreset( "Shaders\\Texture\\Ripple.Preset", 
                "Sources.Materials.DefaultLib.Scene_Material" );
        SIConnectShaderToCnxPoint( "Sources.Materials.DefaultLib.Scene_Material.Ripple", 
                "Sources.Materials.DefaultLib.Scene_Material.Phong.diffuse", false );
        CreateShaderCompound( "Sources.Materials.DefaultLib.Scene_Material.ShaderCompound,"
                + "Sources.Materials.DefaultLib.Scene_Material.Fractal,"
                + "Sources.Materials.DefaultLib.Scene_Material.Ripple" );
        // Embedded or Referenced? This setting corresponds to the innerSC.xsirtcompound, which
        // was imported and connected earlier in this function
        if (in_embed) {
                ExportShaderCompound( "Sources.Materials.DefaultLib.Scene_Material.ShaderCompound1", 
                        path+"\\outerSCembedd.xsirtcompound", true );
        } else {
                ExportShaderCompound( "Sources.Materials.DefaultLib.Scene_Material.ShaderCompound1", 
                        path+"\\outerSCreffed.xsirtcompound", false );
        }
}
// Create a shader compound and save it disk
CreateInnerCompound();
// Create a shader compound which references the first one (innerSC.xsirtcompound)
// and then export two versions: one referenced (outerSCreffed.xsirtcompound) and
// the other embedded (outerSCembedd.xsirtcompound)
CreateOuterCompound();
CreateOuterCompound(true);