Implement std ops for roblox datatypes

packages/lib-roblox/src/datatypes/shared.rs

@@ -1,3 +1,5 @@
+use std::ops;
+
 use mlua::prelude::*;
 
 pub(super) fn userdata_impl_to_string<D>(_: &Lua, datatype: &D, _: ()) -> LuaResult<String>
@@ -21,3 +23,24 @@ where
         Ok(false)
     }
 }
+
+pub(super) fn userdata_impl_unm<D>(_: &Lua, datatype: &D, _: ()) -> LuaResult<D>
+where
+    D: LuaUserData + ops::Neg<Output = D> + Copy,
+{
+    Ok(-*datatype)
+}
+
+pub(super) fn userdata_impl_add<D>(_: &Lua, datatype: &D, value: D) -> LuaResult<D>
+where
+    D: LuaUserData + ops::Add<Output = D> + Copy,
+{
+    Ok(*datatype + value)
+}
+
+pub(super) fn userdata_impl_sub<D>(_: &Lua, datatype: &D, value: D) -> LuaResult<D>
+where
+    D: LuaUserData + ops::Sub<Output = D> + Copy,
+{
+    Ok(*datatype - value)
+}

packages/lib-roblox/src/datatypes/types/udim.rs

@@ -31,6 +31,21 @@ impl UDim {
     }
 }
 
+impl LuaUserData for UDim {
+    fn add_fields<'lua, F: LuaUserDataFields<'lua, Self>>(fields: &mut F) {
+        fields.add_field_method_get("Scale", |_, this| Ok(this.scale));
+        fields.add_field_method_get("Offset", |_, this| Ok(this.offset));
+    }
+
+    fn add_methods<'lua, M: LuaUserDataMethods<'lua, Self>>(methods: &mut M) {
+        methods.add_meta_method(LuaMetaMethod::Eq, userdata_impl_eq);
+        methods.add_meta_method(LuaMetaMethod::ToString, userdata_impl_to_string);
+        methods.add_meta_method(LuaMetaMethod::Unm, userdata_impl_unm);
+        methods.add_meta_method(LuaMetaMethod::Add, userdata_impl_add);
+        methods.add_meta_method(LuaMetaMethod::Sub, userdata_impl_sub);
+    }
+}
+
 impl Default for UDim {
     fn default() -> Self {
         Self {
@@ -76,21 +91,6 @@ impl ops::Sub for UDim {
     }
 }
 
-impl LuaUserData for UDim {
-    fn add_fields<'lua, F: LuaUserDataFields<'lua, Self>>(fields: &mut F) {
-        fields.add_field_method_get("Scale", |_, this| Ok(this.scale));
-        fields.add_field_method_get("Offset", |_, this| Ok(this.offset));
-    }
-
-    fn add_methods<'lua, M: LuaUserDataMethods<'lua, Self>>(methods: &mut M) {
-        methods.add_meta_method(LuaMetaMethod::Eq, userdata_impl_eq);
-        methods.add_meta_method(LuaMetaMethod::ToString, userdata_impl_to_string);
-        methods.add_meta_method(LuaMetaMethod::Unm, |_, this, ()| Ok(-*this));
-        methods.add_meta_method(LuaMetaMethod::Add, |_, this, rhs: UDim| Ok(*this + rhs));
-        methods.add_meta_method(LuaMetaMethod::Sub, |_, this, rhs: UDim| Ok(*this - rhs));
-    }
-}
-
 impl From<&RbxUDim> for UDim {
     fn from(v: &RbxUDim) -> Self {
         UDim {

packages/lib-roblox/src/datatypes/types/udim2.rs

@@ -82,6 +82,46 @@ impl UDim2 {
     }
 }
 
+impl LuaUserData for UDim2 {
+    fn add_fields<'lua, F: LuaUserDataFields<'lua, Self>>(fields: &mut F) {
+        fields.add_field_method_get("X", |_, this| Ok(this.x));
+        fields.add_field_method_get("Y", |_, this| Ok(this.y));
+        fields.add_field_method_get("Width", |_, this| Ok(this.x));
+        fields.add_field_method_get("Height", |_, this| Ok(this.y));
+    }
+
+    fn add_methods<'lua, M: LuaUserDataMethods<'lua, Self>>(methods: &mut M) {
+        // Methods
+        methods.add_method("Lerp", |_, this, (goal, alpha): (UDim2, f32)| {
+            let this_x = Vec2::new(this.x.scale, this.x.offset as f32);
+            let goal_x = Vec2::new(goal.x.scale, this.x.offset as f32);
+
+            let this_y = Vec2::new(this.y.scale, this.y.offset as f32);
+            let goal_y = Vec2::new(goal.y.scale, goal.y.offset as f32);
+
+            let x = this_x.lerp(goal_x, alpha);
+            let y = this_y.lerp(goal_y, alpha);
+
+            Ok(UDim2 {
+                x: UDim {
+                    scale: x.x,
+                    offset: x.y.clamp(i32::MIN as f32, i32::MAX as f32).round() as i32,
+                },
+                y: UDim {
+                    scale: y.x,
+                    offset: y.y.clamp(i32::MIN as f32, i32::MAX as f32).round() as i32,
+                },
+            })
+        });
+        // Metamethods
+        methods.add_meta_method(LuaMetaMethod::Eq, userdata_impl_eq);
+        methods.add_meta_method(LuaMetaMethod::ToString, userdata_impl_to_string);
+        methods.add_meta_method(LuaMetaMethod::Unm, userdata_impl_unm);
+        methods.add_meta_method(LuaMetaMethod::Add, userdata_impl_add);
+        methods.add_meta_method(LuaMetaMethod::Sub, userdata_impl_sub);
+    }
+}
+
 impl fmt::Display for UDim2 {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         write!(f, "{}, {}", self.x, self.y)
@@ -118,43 +158,6 @@ impl ops::Sub for UDim2 {
     }
 }
 
-impl LuaUserData for UDim2 {
-    fn add_fields<'lua, F: LuaUserDataFields<'lua, Self>>(fields: &mut F) {
-        fields.add_field_method_get("X", |_, this| Ok(this.x));
-        fields.add_field_method_get("Y", |_, this| Ok(this.y));
-        fields.add_field_method_get("Width", |_, this| Ok(this.x));
-        fields.add_field_method_get("Height", |_, this| Ok(this.y));
-    }
-
-    fn add_methods<'lua, M: LuaUserDataMethods<'lua, Self>>(methods: &mut M) {
-        // Methods
-        methods.add_method("Lerp", |_, this, (rhs, alpha): (UDim2, f32)| {
-            let this_vec_x = Vec2::new(this.x.scale, this.x.offset as f32);
-            let this_vec_y = Vec2::new(this.y.scale, this.y.offset as f32);
-            let rhs_vec_x = Vec2::new(rhs.x.scale, rhs.x.offset as f32);
-            let rhs_vec_y = Vec2::new(rhs.y.scale, rhs.y.offset as f32);
-            let result_x = this_vec_x.lerp(rhs_vec_x, alpha);
-            let result_y = this_vec_y.lerp(rhs_vec_y, alpha);
-            Ok(UDim2 {
-                x: UDim {
-                    scale: result_x.x,
-                    offset: result_x.y.clamp(i32::MIN as f32, i32::MAX as f32).round() as i32,
-                },
-                y: UDim {
-                    scale: result_y.x,
-                    offset: result_y.y.clamp(i32::MIN as f32, i32::MAX as f32).round() as i32,
-                },
-            })
-        });
-        // Metamethods
-        methods.add_meta_method(LuaMetaMethod::Eq, userdata_impl_eq);
-        methods.add_meta_method(LuaMetaMethod::ToString, userdata_impl_to_string);
-        methods.add_meta_method(LuaMetaMethod::Unm, |_, this, ()| Ok(-*this));
-        methods.add_meta_method(LuaMetaMethod::Add, |_, this, rhs: UDim2| Ok(*this + rhs));
-        methods.add_meta_method(LuaMetaMethod::Sub, |_, this, rhs: UDim2| Ok(*this - rhs));
-    }
-}
-
 impl From<&RbxUDim2> for UDim2 {
     fn from(v: &RbxUDim2) -> Self {
         UDim2 {

packages/lib-roblox/src/datatypes/types/vector2.rs

@@ -1,4 +1,5 @@
 use core::fmt;
+use std::ops;
 
 use glam::{Vec2, Vec3};
 use mlua::prelude::*;
@@ -36,12 +37,6 @@ impl Vector2 {
     }
 }
 
-impl fmt::Display for Vector2 {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        write!(f, "{}, {}", self.0.x, self.0.y)
-    }
-}
-
 impl LuaUserData for Vector2 {
     fn add_fields<'lua, F: LuaUserDataFields<'lua, Self>>(fields: &mut F) {
         fields.add_field_method_get("Magnitude", |_, this| Ok(this.0.length()));
@@ -70,13 +65,9 @@ impl LuaUserData for Vector2 {
         // Metamethods
         methods.add_meta_method(LuaMetaMethod::Eq, userdata_impl_eq);
         methods.add_meta_method(LuaMetaMethod::ToString, userdata_impl_to_string);
-        methods.add_meta_method(LuaMetaMethod::Unm, |_, this, ()| Ok(Vector2(-this.0)));
-        methods.add_meta_method(LuaMetaMethod::Add, |_, this, rhs: Vector2| {
-            Ok(Vector2(this.0 + rhs.0))
-        });
-        methods.add_meta_method(LuaMetaMethod::Sub, |_, this, rhs: Vector2| {
-            Ok(Vector2(this.0 - rhs.0))
-        });
+        methods.add_meta_method(LuaMetaMethod::Unm, userdata_impl_unm);
+        methods.add_meta_method(LuaMetaMethod::Add, userdata_impl_add);
+        methods.add_meta_method(LuaMetaMethod::Sub, userdata_impl_sub);
         methods.add_meta_method(LuaMetaMethod::Mul, |_, this, rhs: LuaValue| {
             match &rhs {
                 LuaValue::Number(n) => return Ok(Vector2(this.0 * Vec2::splat(*n as f32))),
@@ -120,6 +111,33 @@ impl LuaUserData for Vector2 {
     }
 }
 
+impl fmt::Display for Vector2 {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(f, "{}, {}", self.0.x, self.0.y)
+    }
+}
+
+impl ops::Neg for Vector2 {
+    type Output = Self;
+    fn neg(self) -> Self::Output {
+        Vector2(-self.0)
+    }
+}
+
+impl ops::Add for Vector2 {
+    type Output = Self;
+    fn add(self, rhs: Self) -> Self::Output {
+        Vector2(self.0 + rhs.0)
+    }
+}
+
+impl ops::Sub for Vector2 {
+    type Output = Self;
+    fn sub(self, rhs: Self) -> Self::Output {
+        Vector2(self.0 - rhs.0)
+    }
+}
+
 impl From<&RbxVector2> for Vector2 {
     fn from(v: &RbxVector2) -> Self {
         Vector2(Vec2 { x: v.x, y: v.y })

packages/lib-roblox/src/datatypes/types/vector2int16.rs

@@ -1,4 +1,5 @@
 use core::fmt;
+use std::ops;
 
 use glam::IVec2;
 use mlua::prelude::*;
@@ -30,12 +31,6 @@ impl Vector2int16 {
     }
 }
 
-impl fmt::Display for Vector2int16 {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        write!(f, "{}, {}", self.0.x, self.0.y)
-    }
-}
-
 impl LuaUserData for Vector2int16 {
     fn add_fields<'lua, F: LuaUserDataFields<'lua, Self>>(fields: &mut F) {
         fields.add_field_method_get("X", |_, this| Ok(this.0.x));
@@ -45,13 +40,9 @@ impl LuaUserData for Vector2int16 {
     fn add_methods<'lua, M: LuaUserDataMethods<'lua, Self>>(methods: &mut M) {
         methods.add_meta_method(LuaMetaMethod::Eq, userdata_impl_eq);
         methods.add_meta_method(LuaMetaMethod::ToString, userdata_impl_to_string);
-        methods.add_meta_method(LuaMetaMethod::Unm, |_, this, ()| Ok(Vector2int16(-this.0)));
-        methods.add_meta_method(LuaMetaMethod::Add, |_, this, rhs: Vector2int16| {
-            Ok(Vector2int16(this.0 + rhs.0))
-        });
-        methods.add_meta_method(LuaMetaMethod::Sub, |_, this, rhs: Vector2int16| {
-            Ok(Vector2int16(this.0 - rhs.0))
-        });
+        methods.add_meta_method(LuaMetaMethod::Unm, userdata_impl_unm);
+        methods.add_meta_method(LuaMetaMethod::Add, userdata_impl_add);
+        methods.add_meta_method(LuaMetaMethod::Sub, userdata_impl_sub);
         methods.add_meta_method(LuaMetaMethod::Mul, |_, this, rhs: LuaValue| {
             match &rhs {
                 LuaValue::Number(n) => return Ok(Vector2int16(this.0 * IVec2::splat(*n as i32))),
@@ -95,6 +86,33 @@ impl LuaUserData for Vector2int16 {
     }
 }
 
+impl fmt::Display for Vector2int16 {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(f, "{}, {}", self.0.x, self.0.y)
+    }
+}
+
+impl ops::Neg for Vector2int16 {
+    type Output = Self;
+    fn neg(self) -> Self::Output {
+        Vector2int16(-self.0)
+    }
+}
+
+impl ops::Add for Vector2int16 {
+    type Output = Self;
+    fn add(self, rhs: Self) -> Self::Output {
+        Vector2int16(self.0 + rhs.0)
+    }
+}
+
+impl ops::Sub for Vector2int16 {
+    type Output = Self;
+    fn sub(self, rhs: Self) -> Self::Output {
+        Vector2int16(self.0 - rhs.0)
+    }
+}
+
 impl From<&RbxVector2int16> for Vector2int16 {
     fn from(v: &RbxVector2int16) -> Self {
         Vector2int16(IVec2 {

packages/lib-roblox/src/datatypes/types/vector3.rs

@@ -1,4 +1,5 @@
 use core::fmt;
+use std::ops;
 
 use glam::Vec3;
 use mlua::prelude::*;
@@ -42,12 +43,6 @@ impl Vector3 {
     }
 }
 
-impl fmt::Display for Vector3 {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        write!(f, "{}, {}, {}", self.0.x, self.0.y, self.0.z)
-    }
-}
-
 impl LuaUserData for Vector3 {
     fn add_fields<'lua, F: LuaUserDataFields<'lua, Self>>(fields: &mut F) {
         fields.add_field_method_get("Magnitude", |_, this| Ok(this.0.length()));
@@ -84,13 +79,9 @@ impl LuaUserData for Vector3 {
         // Metamethods
         methods.add_meta_method(LuaMetaMethod::Eq, userdata_impl_eq);
         methods.add_meta_method(LuaMetaMethod::ToString, userdata_impl_to_string);
-        methods.add_meta_method(LuaMetaMethod::Unm, |_, this, ()| Ok(Vector3(-this.0)));
-        methods.add_meta_method(LuaMetaMethod::Add, |_, this, rhs: Vector3| {
-            Ok(Vector3(this.0 + rhs.0))
-        });
-        methods.add_meta_method(LuaMetaMethod::Sub, |_, this, rhs: Vector3| {
-            Ok(Vector3(this.0 - rhs.0))
-        });
+        methods.add_meta_method(LuaMetaMethod::Unm, userdata_impl_unm);
+        methods.add_meta_method(LuaMetaMethod::Add, userdata_impl_add);
+        methods.add_meta_method(LuaMetaMethod::Sub, userdata_impl_sub);
         methods.add_meta_method(LuaMetaMethod::Mul, |_, this, rhs: LuaValue| {
             match &rhs {
                 LuaValue::Number(n) => return Ok(Vector3(this.0 * Vec3::splat(*n as f32))),
@@ -134,6 +125,33 @@ impl LuaUserData for Vector3 {
     }
 }
 
+impl fmt::Display for Vector3 {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(f, "{}, {}, {}", self.0.x, self.0.y, self.0.z)
+    }
+}
+
+impl ops::Neg for Vector3 {
+    type Output = Self;
+    fn neg(self) -> Self::Output {
+        Vector3(-self.0)
+    }
+}
+
+impl ops::Add for Vector3 {
+    type Output = Self;
+    fn add(self, rhs: Self) -> Self::Output {
+        Vector3(self.0 + rhs.0)
+    }
+}
+
+impl ops::Sub for Vector3 {
+    type Output = Self;
+    fn sub(self, rhs: Self) -> Self::Output {
+        Vector3(self.0 - rhs.0)
+    }
+}
+
 impl From<&RbxVector3> for Vector3 {
     fn from(v: &RbxVector3) -> Self {
         Vector3(Vec3 {

packages/lib-roblox/src/datatypes/types/vector3int16.rs

@@ -1,4 +1,5 @@
 use core::fmt;
+use std::ops;
 
 use glam::IVec3;
 use mlua::prelude::*;
@@ -31,12 +32,6 @@ impl Vector3int16 {
     }
 }
 
-impl fmt::Display for Vector3int16 {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        write!(f, "{}, {}", self.0.x, self.0.y)
-    }
-}
-
 impl LuaUserData for Vector3int16 {
     fn add_fields<'lua, F: LuaUserDataFields<'lua, Self>>(fields: &mut F) {
         fields.add_field_method_get("X", |_, this| Ok(this.0.x));
@@ -47,13 +42,9 @@ impl LuaUserData for Vector3int16 {
     fn add_methods<'lua, M: LuaUserDataMethods<'lua, Self>>(methods: &mut M) {
         methods.add_meta_method(LuaMetaMethod::Eq, userdata_impl_eq);
         methods.add_meta_method(LuaMetaMethod::ToString, userdata_impl_to_string);
-        methods.add_meta_method(LuaMetaMethod::Unm, |_, this, ()| Ok(Vector3int16(-this.0)));
-        methods.add_meta_method(LuaMetaMethod::Add, |_, this, rhs: Vector3int16| {
-            Ok(Vector3int16(this.0 + rhs.0))
-        });
-        methods.add_meta_method(LuaMetaMethod::Sub, |_, this, rhs: Vector3int16| {
-            Ok(Vector3int16(this.0 - rhs.0))
-        });
+        methods.add_meta_method(LuaMetaMethod::Unm, userdata_impl_unm);
+        methods.add_meta_method(LuaMetaMethod::Add, userdata_impl_add);
+        methods.add_meta_method(LuaMetaMethod::Sub, userdata_impl_sub);
         methods.add_meta_method(LuaMetaMethod::Mul, |_, this, rhs: LuaValue| {
             match &rhs {
                 LuaValue::Number(n) => return Ok(Vector3int16(this.0 * IVec3::splat(*n as i32))),
@@ -97,6 +88,33 @@ impl LuaUserData for Vector3int16 {
     }
 }
 
+impl fmt::Display for Vector3int16 {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(f, "{}, {}", self.0.x, self.0.y)
+    }
+}
+
+impl ops::Neg for Vector3int16 {
+    type Output = Self;
+    fn neg(self) -> Self::Output {
+        Vector3int16(-self.0)
+    }
+}
+
+impl ops::Add for Vector3int16 {
+    type Output = Self;
+    fn add(self, rhs: Self) -> Self::Output {
+        Vector3int16(self.0 + rhs.0)
+    }
+}
+
+impl ops::Sub for Vector3int16 {
+    type Output = Self;
+    fn sub(self, rhs: Self) -> Self::Output {
+        Vector3int16(self.0 - rhs.0)
+    }
+}
+
 impl From<&RbxVector3int16> for Vector3int16 {
     fn from(v: &RbxVector3int16) -> Self {
         Vector3int16(IVec3 {