From 17ec20cc34701d00bb855d7fafa0862755e427bb Mon Sep 17 00:00:00 2001
From: Quaternions <krakow20@gmail.com>
Date: Mon, 26 Feb 2024 00:44:00 -0800
Subject: [PATCH] basic serialize

---
 src/main.rs | 68 ++++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 67 insertions(+), 1 deletion(-)

diff --git a/src/main.rs b/src/main.rs
index fec8bc6..fe0dceb 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -58,6 +58,13 @@ impl mlua::UserData for Vector3{
 		//methods.add_method("area",|_,this,()| Ok(this.length * this.width));
 
 		methods.add_meta_function(mlua::MetaMethod::Add,|_,(this,val):(Self,Self)|Ok(Self(this.0+val.0)));
+		methods.add_meta_function(mlua::MetaMethod::ToString,|_,this:Self|
+			Ok(format!("Vector3.new({},{},{})",
+				this.0.x,
+				this.0.y,
+				this.0.z,
+			))
+		);
 	}
 }
 
@@ -93,6 +100,22 @@ impl mlua::UserData for CFrame{
 
 		//methods.add_meta_method(mlua::MetaMethod::Mul,|_,this,val:&Vector3|Ok(Vector3(this.0.matrix3*val.0+this.0.translation)));
 		methods.add_meta_function(mlua::MetaMethod::Mul,|_,(this,val):(Self,Self)|Ok(Self(this.0*val.0)));
+		methods.add_meta_function(mlua::MetaMethod::ToString,|_,this:Self|
+			Ok(format!("CFrame.new({},{},{},{},{},{},{},{},{},{},{},{})",
+				this.0.translation.x,
+				this.0.translation.y,
+				this.0.translation.z,
+				this.0.matrix3.x_axis.x,
+				this.0.matrix3.y_axis.x,
+				this.0.matrix3.z_axis.x,
+				this.0.matrix3.x_axis.y,
+				this.0.matrix3.y_axis.y,
+				this.0.matrix3.z_axis.y,
+				this.0.matrix3.x_axis.z,
+				this.0.matrix3.y_axis.z,
+				this.0.matrix3.z_axis.z,
+			))
+		);
 	}
 }
 impl<'lua> mlua::FromLua<'lua> for CFrame{
@@ -104,6 +127,49 @@ impl<'lua> mlua::FromLua<'lua> for CFrame{
 	}
 }
 
+fn serialize(value:mlua::Value)->mlua::Result<String>{
+	Ok(match value{
+		mlua::Value::Nil=>"nil".to_owned(),
+		mlua::Value::Boolean(boolean)=>format!("{boolean}"),
+		mlua::Value::Integer(value)=>format!("{value}"),
+		mlua::Value::Number(value)=>format!("{value}"),
+		mlua::Value::Vector(value)=>format!("{value}"),
+		mlua::Value::String(value)=>format!("\"{}\"",value.to_str()?),
+		mlua::Value::Table(table)=>{
+			let mut s=String::new();
+			s.push('{');
+			let isnt_empty=!table.is_empty();
+			for pair in table.pairs::<mlua::Value,mlua::Value>(){
+				let (i,v)=pair?;
+				s.push('[');
+				s.push_str(serialize(i)?.as_str());
+				s.push_str("]=");
+				s.push_str(serialize(v)?.as_str());
+				s.push(',');
+			}
+			if isnt_empty{
+				//remove last comma
+				s.pop();
+			}
+			s.push('}');
+			s
+		},
+		mlua::Value::UserData(userdata)=>{
+			let met=userdata.get_metatable()?;
+			let f:mlua::Function=met.get("__tostring")?;
+			let s:mlua::String=f.call(userdata)?;
+			serialize(mlua::Value::String(s))?
+		},
+		mlua::Value::Function(f)=>{
+			println!("WARN: Serializing function {:?} as nil",f);
+			"nil".to_owned()
+		},
+		mlua::Value::Thread(_)=>unimplemented!(),
+		mlua::Value::LightUserData(_)=>unimplemented!(),
+		mlua::Value::Error(_)=>unimplemented!(),
+	})
+}
+
 fn bake(script_path:std::path::PathBuf)->Result<(),anyhow::Error>{
 	//read the file
 	let script={
@@ -202,7 +268,7 @@ fn bake(script_path:std::path::PathBuf)->Result<(),anyhow::Error>{
 	let call_result:mlua::Result<mlua::Table>=lua.load(script).call(());
 	match call_result{
 		Ok(ret)=>{
-			println!("gundata={:?}",ret);
+			println!("gundata={}",serialize(mlua::Value::Table(ret))?);
 		},
 		Err(e)=>println!("Lua Error: {e}"),
 	}