debug "warn" global for StrafeLua

luau/typemap.lua

@@ -5,6 +5,8 @@ type struct_Vector2 = {x: f64, y: f64}
 type struct_Vector3 = struct_Vector2 & {z: f64}
 type struct_Vector4 = struct_Vector3 & {w: f64}
 
+export type warn = (message: string) -> ()
+
 export type Vector2 = {
 	new: (x: f64, y: f64) -> struct_Vector2,
 	ONE: struct_Vector2,
@@ -36,9 +38,11 @@ export type Vector4 = {
 local Vector2: Vector2 = Vector2
 local Vector3: Vector3 = Vector3
 local Vector4: Vector4 = Vector4
+local warn: warn = warn
 
 return {
 	Vector2 = Vector2,
 	Vector3 = Vector3,
 	Vector4 = Vector4,
+	warn = warn
 }

src/luau.rs

@@ -1,4 +1,4 @@
-use mlua::{Lua as Luau, Result, Table};
+use mlua::{Lua as Luau, Result, Table, Function};
 use glam::{Vec2, Vec3, Vec4, Quat};
 use color_print::cprintln;
 
@@ -23,12 +23,24 @@ trait Luavm {
 		
 		StrafeluaGlobals {vm}
 	}
+	fn warn(&self) -> Function;
 	fn vector2(&self) -> Table;
 	fn vector3(&self) -> Table;
 	fn vector4(&self) -> Table;
 }
 
 impl Luavm for StrafeluaGlobals {
+	//Debug stuff
+	fn warn(&self) -> Function {
+		return self.vm.create_function(|_, message: mlua::String| {
+			match Some(message) {
+			    Some(lua_string) => cprintln!("<yellow>{}</yellow>", lua_string.to_string_lossy()),
+			    None => println!("Nothing provided to warn"),
+			};
+			Ok(())
+		}).unwrap();
+	}
+
 	fn vector2(&self) -> Table {
 		//In a better world, this can all be a macro
 		let zero     = Vec2::ZERO;
@@ -209,8 +221,6 @@ impl Luavm for StrafeluaGlobals {
 
 		return field_vector4;
 	}
-
-
 }
 
 /// Prevent strafe client from panicking when there is a Lua error related to syntax or anything else Lua related
@@ -224,6 +234,7 @@ pub fn error_wrapper(execute_result: Result<()>) {
 pub fn new_state(isolated: bool) -> Result<Luau> {
 	let strafelua = StrafeluaGlobals::new_vm(isolated);
 
+	strafelua.vm.globals().set("warn", strafelua.warn()).unwrap();
 	strafelua.vm.globals().set("Vector2", strafelua.vector2()).unwrap();
 	strafelua.vm.globals().set("Vector3", strafelua.vector3()).unwrap();
 	strafelua.vm.globals().set("Vector4", strafelua.vector4()).unwrap();

src/main.rs

@@ -120,8 +120,7 @@ pub fn default_models()->model::IndexedModelInstances{
 fn main(){
 	let strafelua_vm = luau::new_state(true).expect("Failed to load strafe lua");
 	luau::error_wrapper(strafelua_vm.load(r#"
-		--Purposely throw an error
-		Squidward()
+		warn("hi")
 	"#).exec());
 	//Lua syntax error!: SyntaxError { message: "[string \"src/main.rs:122:18\"]:7: Expected ')' (to close '(' at column 7), got ','", incomplete_input: false }
 	//we got our first lua syntax error, todo: make an error handler in luau.rs