roblox_emulator: more BrickColor constructors

lib/roblox_emulator/src/runner/brickcolor.rs

@@ -6,17 +6,43 @@ impl BrickColor{
 	pub fn from_name(name:&str)->Option<Self>{
 		Some(BrickColor(rbx_types::BrickColor::from_name(name)?))
 	}
+	pub fn from_number(number:u16)->Option<Self>{
+		Some(BrickColor(rbx_types::BrickColor::from_number(number)?))
+	}
 }
 
 pub fn set_globals(lua:&mlua::Lua,globals:&mlua::Table)->Result<(),mlua::Error>{
 	let table=lua.create_table()?;
 
 	table.raw_set("new",
-		lua.create_function(|_,name:mlua::String|
-			Ok(BrickColor::from_name(&*name.to_str()?))
+		lua.create_function(|_,r:mlua::Value|
+			match r{
+				mlua::Value::String(name)=>Ok(BrickColor::from_name(&*name.to_str()?)),
+				mlua::Value::Integer(number)=>Ok(BrickColor::from_number(number as u16)),
+				_=>Err(mlua::Error::runtime("Unsupported arguments"))
+			}
+
 		)?
 	)?;
 
+	macro_rules! brickcolor_constructor{
+		($fname:expr,$internal:ident)=>{
+			table.raw_set($fname,
+				lua.create_function(|_,_:()|
+					Ok(BrickColor(rbx_types::BrickColor::$internal))
+				)?
+			)?;
+		};
+	}
+	brickcolor_constructor!("White",White);
+	brickcolor_constructor!("Gray",MediumStoneGrey);
+	brickcolor_constructor!("DarkGray",DarkStoneGrey);
+	brickcolor_constructor!("Black",Black);
+	brickcolor_constructor!("Red",BrightRed);
+	brickcolor_constructor!("Yellow",BrightYellow);
+	brickcolor_constructor!("Green",DarkGreen);
+	brickcolor_constructor!("Blue",BrightBlue);
+
 	globals.set("BrickColor",table)?;
 
 	Ok(())