lua: make it easier to expose events and asset handle wrappers

lyra-scripting/lyra-scripting-derive/src/handle_macro.rs

@@ -257,5 +257,13 @@ pub(crate) fn lua_wrap_handle_impl(input: proc_macro::TokenStream) -> proc_macro
                 self.0
             }
         }
+
+        impl LuaHandleWrapper for #wrapper_name {
+            type ResourceType = #handle_path;
+
+            fn from_handle(handle: ResHandle<Self::ResourceType>) -> Self {
+                Self(handle)
+            }
+        }
     }.into()
 }

lyra-scripting/src/lua/mod.rs

@@ -2,6 +2,7 @@ pub mod dynamic_iter;
 pub use dynamic_iter::*;
 
 pub mod world;
+use lyra_resource::ResourceData;
 use mlua::ObjectLike;
 pub use world::*;
 
@@ -19,11 +20,12 @@ pub use proxy::*;
 
 pub mod system;
 pub use system::*;
+use wrappers::{LuaHandleWrapper, LuaResHandleToComponent, LuaWrappedEventProxy};
 
 use std::{any::TypeId, sync::Mutex};
 
 use lyra_ecs::World;
-use lyra_reflect::{Reflect, TypeRegistry};
+use lyra_reflect::{FromType, Reflect, TypeRegistry};
 use crate::ScriptBorrow;
 
 pub type LuaContext = Mutex<mlua::Lua>;
@@ -140,10 +142,27 @@ pub trait RegisterLuaType {
         T: Clone + mlua::FromLua + mlua::IntoLua + LuaWrapper + 'static,
         T::Wrap: lyra_ecs::Component + Reflect;
 
+    /// Register an asset handle wrapper.
+    fn register_asset_handle<T>(&mut self, name: &str)
+    where
+        T: LuaHandleWrapper + Reflect + LuaProxy,
+        T::ResourceType: ResourceData;
+
+    /// Add an entry for a non-component in the [`TypeLookup`] table.
+    fn add_lua_event<T>(&mut self, name: &str)
+    where
+        T: Reflect + LuaWrapper + mlua::FromLua + mlua::IntoLua + Send + Sync,
+        T::Wrap: Clone + lyra_game::Event;
+
     /// Add an entry for a component in the [`TypeLookup`] table.
     fn add_component_lookup_entry<T>(&mut self, name: &str)
     where
         T: lyra_ecs::Component;
+
+    /// Add an entry for a non-component in the [`TypeLookup`] table.
+    fn add_lookup_entry<T>(&mut self, name: &str)
+    where
+        T: 'static;
 }
 
 impl RegisterLuaType for World {
@@ -188,6 +207,37 @@ impl RegisterLuaType for World {
         self.add_component_lookup_entry::<T::Wrap>(name);
     }
 
+    fn register_asset_handle<T>(&mut self, name: &str)
+    where
+        T: LuaHandleWrapper + Reflect + LuaProxy,
+        T::ResourceType: ResourceData
+    {
+        {
+            let mut registry = self.get_resource_mut::<TypeRegistry>().unwrap();
+            let reg_type = registry.get_type_or_default(TypeId::of::<T::ResourceType>());
+            reg_type.add_data(ReflectLuaProxy::from_lua_proxy::<T>());
+            let l: LuaResHandleToComponent = FromType::<T>::from_type();
+            reg_type.add_data(l);
+        }
+
+        self.add_lookup_entry::<T>(name);
+    }
+
+    fn add_lua_event<T>(&mut self, name: &str)
+    where
+        T: Reflect + LuaWrapper + mlua::FromLua + mlua::IntoLua + Send + Sync,
+        T::Wrap: Clone + lyra_game::Event
+    {
+        {
+            let mut registry = self.get_resource_mut::<TypeRegistry>().unwrap();
+            let reg_type = registry.get_type_or_default(TypeId::of::<T::Wrap>());
+            let proxy: LuaWrappedEventProxy = FromType::<T>::from_type();
+            reg_type.add_data(proxy);
+        }
+
+        self.add_lookup_entry::<T::Wrap>(name);
+    }
+
     fn add_component_lookup_entry<T>(&mut self, name: &str)
     where
         T: lyra_ecs::Component
@@ -196,6 +246,14 @@ impl RegisterLuaType for World {
         lookup.comp_info_from_name.insert(name.into(), lyra_ecs::ComponentInfo::new::<T>());
         lookup.typeid_from_name.insert(name.into(), std::any::TypeId::of::<T>());
     }
+
+    fn add_lookup_entry<T>(&mut self, name: &str)
+    where
+        T: 'static
+    {
+        let mut lookup = self.get_resource_or_default::<TypeLookup>();
+        lookup.typeid_from_name.insert(name.into(), std::any::TypeId::of::<T>());
+    }
 }
 
 impl mlua::FromLua for ScriptBorrow {

lyra-scripting/src/lua/providers/ecs.rs

@@ -1,11 +1,7 @@
-use std::any::TypeId;
-
 use lyra_ecs::ResourceObject;
-use lyra_game::winit::DeviceEventPair;
-use lyra_reflect::{FromType, Reflect, TypeRegistry};
-use lyra_resource::gltf::Gltf;
+use lyra_reflect::Reflect;
 
-use crate::{lua::{wrappers::*, LuaContext, LuaWrapper, ReflectLuaProxy, RegisterLuaType, TypeLookup, FN_NAME_INTERNAL_REFLECT, FN_NAME_INTERNAL_REFLECT_TYPE}, ScriptApiProvider, ScriptBorrow, ScriptData, ScriptDynamicBundle, ScriptWorldPtr};
+use crate::{lua::{wrappers::*, LuaContext, LuaWrapper, RegisterLuaType, FN_NAME_INTERNAL_REFLECT, FN_NAME_INTERNAL_REFLECT_TYPE}, ScriptApiProvider, ScriptBorrow, ScriptData, ScriptDynamicBundle, ScriptWorldPtr};
 
 //fn register_lua_proxy::<T: 
 
@@ -20,37 +16,16 @@ impl ScriptApiProvider for LyraEcsApiProvider {
         world.register_lua_wrapper::<LuaSceneHandle>();
         world.register_lua_wrapper::<LuaActionHandler>();
         world.register_lua_wrapper::<LuaWindow>();
+        
         world.register_lua_convert_component::<LuaCamera>("Camera");
         world.register_lua_convert_component::<LuaFreeFlyCamera>("FreeFlyCamera");
+
         world.register_lua_wrapper::<LuaDeviceId>();
         world.register_lua_convert::<LuaDeviceEventRaw>();
         world.register_lua_convert::<LuaDeviceEvent>();
+        world.add_lua_event::<LuaDeviceEvent>("DeviceEvent");
 
-        // Add typeid of 'DeviceEvent'
-        let mut lookup = world.get_resource_or_default::<TypeLookup>();
-        lookup.typeid_from_name.insert("DeviceEvent".into(), std::any::TypeId::of::<DeviceEventPair>());
-        drop(lookup);
-
-        let mut registry = world.get_resource_mut::<TypeRegistry>().unwrap();
-
-        // add LuaWrappedEventProxy
-        let reg_type = registry.get_type_or_default(TypeId::of::<DeviceEventPair>());
-        let l: LuaWrappedEventProxy = FromType::<LuaDeviceEvent>::from_type();
-        reg_type.add_data(l);
-
-        // add Gltf handle
-        let reg_type = registry.get_type_or_default(TypeId::of::<Gltf>());
-        reg_type.add_data(ReflectLuaProxy::from_lua_proxy::<LuaGltfHandle>());
-        let l = LuaResHandleToComponent::new(
-            |lua, res| {
-                if let Some(gltf) = res.as_typed::<Gltf>() {
-                    Some(lua.create_userdata(LuaGltfHandle(gltf)).unwrap())
-                } else {
-                    None
-                }
-            }
-        );
-        reg_type.add_data(l);
+        world.register_asset_handle::<LuaGltfHandle>("Gltf");
     }
 
     fn expose_api(&mut self, _: &ScriptData, ctx: &mut Self::ScriptContext) -> Result<(), crate::ScriptError> {

lyra-scripting/src/lua/wrappers/asset/gltf.rs

@@ -0,0 +1,237 @@
+use std::{any::TypeId, ops::Deref};
+use lyra_resource::{gltf::{Gltf, Material, Mesh}, FilterMode, ResHandle, Texture, WrappingMode};
+use lyra_game::scene::SceneGraph;
+use lyra_reflect::Reflect;
+use lyra_scripting_derive::{lua_wrap_handle, wrap_lua_struct};
+
+use crate::{lua::{LuaWrapper, FN_NAME_INTERNAL_REFLECT, FN_NAME_INTERNAL_REFLECT_TYPE}, lyra_engine, ScriptBorrow};
+use crate as lyra_scripting;
+
+use super::LuaHandleWrapper;
+
+use mlua::IntoLua;
+
+fn filter_mode_to_str(fm: FilterMode) -> &'static str {
+    match fm {
+        FilterMode::Nearest => "nearest",
+        FilterMode::Linear => "linear",
+    }
+}
+
+fn wrapping_mode_to_str(wm: WrappingMode) -> &'static str {
+    match wm {
+        WrappingMode::ClampToEdge => "clamp_to_edge",
+        WrappingMode::MirroredRepeat => "mirrored_repeat",
+        WrappingMode::Repeat => "repeat",
+    }
+}
+
+wrap_lua_struct!(lyra_resource::TextureSampler,
+    // this can be safely skipped since it wont be a component or resource.
+    skip(lua_reflect),
+    fields={
+        // don't need to specify field types since setters are skipped
+        (mag_filter, skip_set, get={
+            this.mag_filter.map(|f| filter_mode_to_str(f))
+                .into_lua(lua)
+        }),
+        (min_filter, skip_set, get={
+            this.min_filter.map(|f| filter_mode_to_str(f))
+                .into_lua(lua)
+        }),
+        (mipmap_filter, skip_set, get={
+            this.mipmap_filter.map(|f| filter_mode_to_str(f))
+                .into_lua(lua)
+        }),
+        (wrap_u, skip_set, get={
+            wrapping_mode_to_str(this.wrap_u)
+                .into_lua(lua)
+        }),
+        (wrap_v, skip_set, get={
+            wrapping_mode_to_str(this.wrap_v)
+                .into_lua(lua)
+        }),
+        (wrap_w, skip_set, get={
+            wrapping_mode_to_str(this.wrap_w)
+                .into_lua(lua)
+        }),
+    }
+);
+
+wrap_lua_struct!(lyra_resource::gltf::PbrGlossiness,
+    // this can be safely skipped since it wont be a component or resource.
+    skip(lua_reflect),
+    fields={
+        (diffuse_color: wrap(crate::lua::wrappers::LuaVec4), skip_set),
+        (specular: wrap(crate::lua::wrappers::LuaVec3), skip_set),
+        (glossiness, skip_set),
+    }
+);
+
+wrap_lua_struct!(lyra_resource::gltf::Specular,
+    // this can be safely skipped since it wont be a component or resource.
+    skip(lua_reflect),
+    fields={
+        (factor, skip_set),
+        (color_factor: wrap(crate::lua::wrappers::LuaVec3), skip_set),
+        (texture, skip_set, get={
+            this.texture.clone()
+                .map(|t| LuaTextureHandle(t))
+                .into_lua(lua)
+        }),
+        (color_texture, skip_set, get={
+            this.color_texture.clone()
+                .map(|t| LuaTextureHandle(t))
+                .into_lua(lua)
+        })
+    }
+);
+
+// TODO: fields
+lua_wrap_handle!(SceneGraph, name=Scene, {});
+
+lua_wrap_handle!(Mesh,
+    field_getters={
+        (material, {
+            data.material.clone()
+                .map(|v| LuaMaterialHandle(v.clone()))
+                .into_lua(lua)
+        })
+    },
+    {
+        methods.add_method("indices", |lua, this, ()| {
+            if let Some(data) = this.0.data_ref() {
+                let table = lua.create_table()?;
+    
+                match &data.indices {
+                    Some(lyra_resource::gltf::MeshIndices::U16(v)) => {
+                        for (i, ind) in v.iter().enumerate() {
+                            let i = i as i64 + 1; // lua indexes start at 1
+                            table.raw_set(i, *ind)?;
+                        }
+                    },
+                    Some(lyra_resource::gltf::MeshIndices::U32(v)) => {
+                        for (i, ind) in v.iter().enumerate() {
+                            let i = i as i64 + 1; // lua indexes start at 1
+                            table.raw_set(i, *ind)?;
+                        }
+                    },
+                    None => {},
+                }
+    
+                Ok(mlua::Value::Table(table))
+            } else {
+                Ok(mlua::Value::Nil)
+            }
+        });
+
+        // TODO: mesh attributes
+    }
+);
+
+lua_wrap_handle!(lyra_resource::Image,
+    field_getters={
+        (width, {
+            data.width().into_lua(lua)
+        }),
+        (height, {
+            data.height().into_lua(lua)
+        })
+    }
+);
+
+lua_wrap_handle!(Texture,
+    field_getters={
+        (image, wrapper=LuaImageHandle),
+        (sampler, {
+            data.sampler.clone()
+                .map(|s| LuaTextureSampler(s))
+                .into_lua(lua)
+        })
+    }
+
+);
+
+lua_wrap_handle!(Material,
+    field_getters={
+        shader_uuid,
+        name,
+        double_sided,
+        (base_color, wrapper=crate::lua::wrappers::LuaVec4),
+        metallic,
+        roughness,
+        (base_color_texture, {
+            data.base_color_texture.clone()
+                .map(|v| LuaTextureHandle(v.clone()))
+                .into_lua(lua)
+        }),
+        (metallic_roughness_texture, {
+            data.metallic_roughness_texture.clone()
+                .map(|v| LuaTextureHandle(v.clone()))
+                .into_lua(lua)
+        }),
+        (pbr_glossiness, {
+            data.pbr_glossiness.clone()
+                .map(|v| LuaPbrGlossiness(v.clone()))
+                .into_lua(lua)
+        }),
+        alpha_cutoff,
+        (alpha_mode, {
+            match data.alpha_mode {
+                lyra_resource::gltf::AlphaMode::Opaque => "opaque",
+                lyra_resource::gltf::AlphaMode::Mask => "mask",
+                lyra_resource::gltf::AlphaMode::Blend => "blend",
+            }.into_lua(lua)
+        }),
+        (specular, {
+            data.specular.clone()
+                .map(|v| LuaSpecular(v.clone()))
+                .into_lua(lua)
+        }),
+    }
+);
+
+lua_wrap_handle!(Gltf, {
+    methods.add_method("scenes", |lua, this, ()| {
+        if let Some(data) = this.0.data_ref() {
+            let table = lua.create_table()?;
+
+            for (i, scene) in data.scenes.iter().enumerate() {
+                let i = i as i64 + 1; // lua indexes start at 1
+                table.raw_set(i, LuaSceneHandle(scene.clone()))?;
+            }
+
+            Ok(mlua::Value::Table(table))
+        } else {
+            Ok(mlua::Value::Nil)
+        }
+    });
+    methods.add_method("materials", |lua, this, ()| {
+        if let Some(data) = this.0.data_ref() {
+            let table = lua.create_table()?;
+
+            for (i, mat) in data.materials.iter().enumerate() {
+                let i = i as i64 + 1; // lua indexes start at 1
+                table.raw_set(i, LuaMaterialHandle(mat.clone()))?;
+            }
+
+            Ok(mlua::Value::Table(table))
+        } else {
+            Ok(mlua::Value::Nil)
+        }
+    });
+    methods.add_method("meshes", |lua, this, ()| {
+        if let Some(data) = this.0.data_ref() {
+            let table = lua.create_table()?;
+
+            for (i, mesh) in data.meshes.iter().enumerate() {
+                let i = i as i64 + 1; // lua indexes start at 1
+                table.raw_set(i, LuaMeshHandle(mesh.clone()))?;
+            }
+
+            Ok(mlua::Value::Table(table))
+        } else {
+            Ok(mlua::Value::Nil)
+        }
+    });
+});

lyra-scripting/src/lua/wrappers/asset/mod.rs

@@ -1,21 +1,37 @@
-use std::{any::TypeId, ops::Deref};
-//use mlua::{AnyUserData, IntoLua, FromLua, Lua, Value};
-use lyra_resource::{gltf::{Gltf, Material, Mesh}, FilterMode, ResHandle, Texture, UntypedResHandle, WrappingMode};
-use lyra_game::scene::SceneGraph;
-use lyra_reflect::{Reflect, TypeData};
-use lyra_scripting_derive::{lua_wrap_handle, wrap_lua_struct};
+use lyra_resource::{ResHandle, ResourceData, UntypedResHandle};
+use lyra_reflect::FromType;
+use crate::lua::LuaWrapper;
 
-use crate::{lua::{Error, LuaWrapper, FN_NAME_INTERNAL_AS_COMPONENT, FN_NAME_INTERNAL_REFLECT, FN_NAME_INTERNAL_REFLECT_TYPE}, lyra_engine, ScriptBorrow};
+mod gltf;
+pub use gltf::*;
 
-use crate as lyra_scripting;
+pub trait LuaHandleWrapper: LuaWrapper + mlua::UserData + Send + 'static {
+    type ResourceType: lyra_resource::ResourceData;
 
-use mlua::IntoLua;
+    fn from_handle(handle: ResHandle<Self::ResourceType>) -> Self;
+}
 
+#[derive(Clone)]
 pub struct LuaResHandleToComponent {
     /// Create the userdata component that 
     pub fn_to_lua: fn(&mlua::Lua, UntypedResHandle) -> Option<mlua::AnyUserData>,
 }
 
+impl<T> FromType<T> for LuaResHandleToComponent
+where 
+    T: LuaHandleWrapper,
+    T::ResourceType: ResourceData,
+{
+    fn from_type() -> Self {
+        Self {
+            fn_to_lua: |lua: &mlua::Lua, handle: UntypedResHandle| {
+                handle.as_typed::<T::ResourceType>()
+                    .map(|res| lua.create_userdata(T::from_handle(res)).unwrap())
+            },
+        }
+    }
+}
+
 impl LuaResHandleToComponent {
     pub fn new(f: fn(&mlua::Lua, UntypedResHandle) -> Option<mlua::AnyUserData>) -> Self {
         Self {
@@ -23,315 +39,3 @@ impl LuaResHandleToComponent {
         }
     }
 }
-
-impl TypeData for LuaResHandleToComponent {
-    fn as_any(&self) -> &dyn std::any::Any {
-        self
-    }
-
-    fn as_any_mut(&mut self) -> &mut dyn std::any::Any {
-        self
-    }
-
-    fn boxed_clone(&self) -> Box<dyn TypeData> {
-        todo!()
-    }
-}
-
-#[derive(Clone)]
-pub struct LuaResHandle(pub UntypedResHandle);
-
-impl Deref for LuaResHandle {
-    type Target = UntypedResHandle;
-
-    fn deref(&self) -> &Self::Target {
-        &self.0
-    }
-}
-
-impl From<UntypedResHandle> for LuaResHandle {
-    fn from(value: UntypedResHandle) -> Self {
-        LuaResHandle(value)
-    }
-}
-
-impl mlua::UserData for LuaResHandle {
-    fn add_fields<F: mlua::UserDataFields<Self>>(fields: &mut F) {
-        fields.add_field_method_get("path", |_, this| Ok(this.path()));
-        fields.add_field_method_get("version", |_, this| Ok(this.version()));
-        fields.add_field_method_get("uuid", |_, this| Ok(this.uuid().to_string()));
-        fields.add_field_method_get("state", |_, this| {
-            let name = if this.is_loaded() {
-                "ready"
-            } else if this.get_error().is_some() {
-                "error"
-            } else { "loading" };
-
-            Ok(name)
-        });
-    }    
-
-    fn add_methods<M: mlua::UserDataMethods<Self>>(methods: &mut M) {
-        methods.add_method("is_watched", |_, this, ()| {
-            Ok(this.is_watched())
-        });
-        
-        methods.add_method("is_loaded", |_, this, ()| {
-            Ok(this.is_loaded())
-        });
-        
-        methods.add_method("wait_until_loaded", |_, this, ()| {
-            this.wait_recurse_dependencies_load();
-
-            Ok(())
-        });
-
-        methods.add_method(FN_NAME_INTERNAL_AS_COMPONENT, |lua, this, ()| {
-            let handle = &this.0;
-
-            if let Some(handle) = handle.as_typed::<SceneGraph>() {
-                LuaSceneHandle(handle).into_lua(lua)
-            } else if let Some(handle) = handle.as_typed::<Gltf>() {
-                LuaGltfHandle(handle).into_lua(lua)
-            } else {
-                Ok(mlua::Value::Nil)
-            }
-        });
-    }
-}
-
-impl mlua::FromLua for LuaResHandle {
-    fn from_lua(val: mlua::Value, _: &mlua::Lua) -> mlua::Result<Self> {
-        let tyname = val.type_name();
-        let ud = val.as_userdata()
-            .ok_or(mlua::Error::external(Error::type_mismatch("Handle", &tyname)))?;
-        let handle = ud.borrow::<LuaResHandle>()?;
-        
-        Ok(handle.clone())
-    }
-}
-
-fn filter_mode_to_str(fm: FilterMode) -> &'static str {
-    match fm {
-        FilterMode::Nearest => "nearest",
-        FilterMode::Linear => "linear",
-    }
-}
-
-fn wrapping_mode_to_str(wm: WrappingMode) -> &'static str {
-    match wm {
-        WrappingMode::ClampToEdge => "clamp_to_edge",
-        WrappingMode::MirroredRepeat => "mirrored_repeat",
-        WrappingMode::Repeat => "repeat",
-    }
-}
-
-wrap_lua_struct!(lyra_resource::TextureSampler,
-    // this can be safely skipped since it wont be a component or resource.
-    skip(lua_reflect),
-    fields={
-        // don't need to specify field types since setters are skipped
-        (mag_filter, skip_set, get={
-            this.mag_filter.map(|f| filter_mode_to_str(f))
-                .into_lua(lua)
-        }),
-        (min_filter, skip_set, get={
-            this.min_filter.map(|f| filter_mode_to_str(f))
-                .into_lua(lua)
-        }),
-        (mipmap_filter, skip_set, get={
-            this.mipmap_filter.map(|f| filter_mode_to_str(f))
-                .into_lua(lua)
-        }),
-        (wrap_u, skip_set, get={
-            wrapping_mode_to_str(this.wrap_u)
-                .into_lua(lua)
-        }),
-        (wrap_v, skip_set, get={
-            wrapping_mode_to_str(this.wrap_v)
-                .into_lua(lua)
-        }),
-        (wrap_w, skip_set, get={
-            wrapping_mode_to_str(this.wrap_w)
-                .into_lua(lua)
-        }),
-    }
-);
-
-wrap_lua_struct!(lyra_resource::gltf::PbrGlossiness,
-    // this can be safely skipped since it wont be a component or resource.
-    skip(lua_reflect),
-    fields={
-        (diffuse_color: wrap(crate::lua::wrappers::LuaVec4), skip_set),
-        (specular: wrap(crate::lua::wrappers::LuaVec3), skip_set),
-        (glossiness, skip_set),
-    }
-);
-
-wrap_lua_struct!(lyra_resource::gltf::Specular,
-    // this can be safely skipped since it wont be a component or resource.
-    skip(lua_reflect),
-    fields={
-        (factor, skip_set),
-        (color_factor: wrap(crate::lua::wrappers::LuaVec3), skip_set),
-        (texture, skip_set, get={
-            this.texture.clone()
-                .map(|t| LuaTextureHandle(t))
-                .into_lua(lua)
-        }),
-        (color_texture, skip_set, get={
-            this.color_texture.clone()
-                .map(|t| LuaTextureHandle(t))
-                .into_lua(lua)
-        })
-    }
-);
-
-// TODO: fields
-lua_wrap_handle!(SceneGraph, name=Scene, {});
-
-lua_wrap_handle!(Mesh,
-    field_getters={
-        (material, {
-            data.material.clone()
-                .map(|v| LuaMaterialHandle(v.clone()))
-                .into_lua(lua)
-        })
-    },
-    {
-        methods.add_method("indices", |lua, this, ()| {
-            if let Some(data) = this.0.data_ref() {
-                let table = lua.create_table()?;
-    
-                match &data.indices {
-                    Some(lyra_resource::gltf::MeshIndices::U16(v)) => {
-                        for (i, ind) in v.iter().enumerate() {
-                            let i = i as i64 + 1; // lua indexes start at 1
-                            table.raw_set(i, *ind)?;
-                        }
-                    },
-                    Some(lyra_resource::gltf::MeshIndices::U32(v)) => {
-                        for (i, ind) in v.iter().enumerate() {
-                            let i = i as i64 + 1; // lua indexes start at 1
-                            table.raw_set(i, *ind)?;
-                        }
-                    },
-                    None => {},
-                }
-    
-                Ok(mlua::Value::Table(table))
-            } else {
-                Ok(mlua::Value::Nil)
-            }
-        });
-
-        // TODO: mesh attributes
-    }
-);
-
-lua_wrap_handle!(lyra_resource::Image,
-    field_getters={
-        (width, {
-            data.width().into_lua(lua)
-        }),
-        (height, {
-            data.height().into_lua(lua)
-        })
-    }
-);
-
-lua_wrap_handle!(Texture,
-    field_getters={
-        (image, wrapper=LuaImageHandle),
-        (sampler, {
-            data.sampler.clone()
-                .map(|s| LuaTextureSampler(s))
-                .into_lua(lua)
-        })
-    }
-
-);
-
-lua_wrap_handle!(Material,
-    field_getters={
-        shader_uuid,
-        name,
-        double_sided,
-        (base_color, wrapper=crate::lua::wrappers::LuaVec4),
-        metallic,
-        roughness,
-        (base_color_texture, {
-            data.base_color_texture.clone()
-                .map(|v| LuaTextureHandle(v.clone()))
-                .into_lua(lua)
-        }),
-        (metallic_roughness_texture, {
-            data.metallic_roughness_texture.clone()
-                .map(|v| LuaTextureHandle(v.clone()))
-                .into_lua(lua)
-        }),
-        (pbr_glossiness, {
-            data.pbr_glossiness.clone()
-                .map(|v| LuaPbrGlossiness(v.clone()))
-                .into_lua(lua)
-        }),
-        alpha_cutoff,
-        (alpha_mode, {
-            match data.alpha_mode {
-                lyra_resource::gltf::AlphaMode::Opaque => "opaque",
-                lyra_resource::gltf::AlphaMode::Mask => "mask",
-                lyra_resource::gltf::AlphaMode::Blend => "blend",
-            }.into_lua(lua)
-        }),
-        (specular, {
-            data.specular.clone()
-                .map(|v| LuaSpecular(v.clone()))
-                .into_lua(lua)
-        }),
-    }
-);
-
-lua_wrap_handle!(Gltf, {
-    methods.add_method("scenes", |lua, this, ()| {
-        if let Some(data) = this.0.data_ref() {
-            let table = lua.create_table()?;
-
-            for (i, scene) in data.scenes.iter().enumerate() {
-                let i = i as i64 + 1; // lua indexes start at 1
-                table.raw_set(i, LuaSceneHandle(scene.clone()))?;
-            }
-
-            Ok(mlua::Value::Table(table))
-        } else {
-            Ok(mlua::Value::Nil)
-        }
-    });
-    methods.add_method("materials", |lua, this, ()| {
-        if let Some(data) = this.0.data_ref() {
-            let table = lua.create_table()?;
-
-            for (i, mat) in data.materials.iter().enumerate() {
-                let i = i as i64 + 1; // lua indexes start at 1
-                table.raw_set(i, LuaMaterialHandle(mat.clone()))?;
-            }
-
-            Ok(mlua::Value::Table(table))
-        } else {
-            Ok(mlua::Value::Nil)
-        }
-    });
-    methods.add_method("meshes", |lua, this, ()| {
-        if let Some(data) = this.0.data_ref() {
-            let table = lua.create_table()?;
-
-            for (i, mesh) in data.meshes.iter().enumerate() {
-                let i = i as i64 + 1; // lua indexes start at 1
-                table.raw_set(i, LuaMeshHandle(mesh.clone()))?;
-            }
-
-            Ok(mlua::Value::Table(table))
-        } else {
-            Ok(mlua::Value::Nil)
-        }
-    });
-});