bevy_material_wizard 0.16.5

A material replacement utility for bevy
Documentation 
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use bevy::{asset::load_internal_asset, prelude::*};

use bevy::asset::VisitAssetDependencies;

use bevy::reflect::TypePath;
use bevy::render::render_resource::*;

use bevy::render::render_asset::RenderAssets;

use bevy::pbr::StandardMaterialFlags;
use bevy::pbr::StandardMaterialUniform;

use bevy::pbr::MaterialExtension;

use bevy::pbr::ExtendedMaterial;

pub const FOLIAGE_SHADER_HANDLE: Handle<Shader> = Handle::weak_from_u128(1653284996028047579);

pub type FoliageMaterialExtension = ExtendedMaterial<StandardMaterial, FoliageMaterial>;

pub fn foliage_material_plugin(app: &mut App) {
    load_internal_asset!(
        app,
        FOLIAGE_SHADER_HANDLE,
        "shaders/foliage2.wgsl",
        Shader::from_wgsl
    );

    app.add_plugins(MaterialPlugin::<FoliageMaterialExtension>::default());
}

#[derive(Asset, AsBindGroup, TypePath, Clone, Debug, Default)]
pub struct FoliageMaterial {
    /* #[uniform(20)]
    pub chunk_uniforms: ChunkMaterialUniforms,

    #[uniform(21)]
    pub tool_preview_uniforms: ToolPreviewUniforms,

    #[texture(22, dimension = "2d_array")]
    #[sampler(23)]
    pub diffuse_texture: Option<Handle<Image>>,

    #[texture(24, dimension = "2d_array")]
    #[sampler(25)]
    pub normal_texture: Option<Handle<Image>>,

    #[texture(26)]
    #[sampler(27)]
    pub splat_texture: Option<Handle<Image>>,

    #[texture(28, dimension = "2d",sample_type = "u_int")]  //rgba8uint
    #[sampler(29)]
    pub height_map_texture: Option<Handle<Image>>,

    */
}

impl MaterialExtension for FoliageMaterial {

    //use standard frag shader for now ! 
      

         /*   
    fn vertex_shader() -> ShaderRef {
        ShaderRef::Handle(FOLIAGE_SHADER_HANDLE)
    }   


    fn deferred_vertex_shader() -> ShaderRef {
        ShaderRef::Handle(FOLIAGE_SHADER_HANDLE)
    }  

    //important for proper depth testing
   

   
  
    fn prepass_vertex_shader() -> ShaderRef {
        ShaderRef::Handle(FOLIAGE_SHADER_HANDLE)
    }    */
}