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Cargo.lock

@@ -110,7 +110,7 @@ checksum = "96d30a06541fbafbc7f82ed10c06164cfbd2c401138f6addd8404629c4b16711"
 
 [[package]]
 name = "asset-tool"
-version = "0.3.1"
+version = "0.3.4"
 dependencies = [
  "anyhow",
  "clap",
@@ -118,12 +118,12 @@ dependencies = [
  "git2",
  "lazy-regex",
  "pollster",
- "rayon",
  "rbx_asset",
  "rbx_binary",
  "rbx_dom_weak",
  "rbx_reflection_database",
  "rbx_xml",
+ "rox_compiler",
  "serde_json",
  "tokio",
 ]
@@ -890,6 +890,16 @@ version = "0.3.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6877bb514081ee2a7ff5ef9de3281f14a4dd4bceac4c09388074a6b5df8a139a"
 
+[[package]]
+name = "mime_guess"
+version = "2.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4192263c238a5f0d0c6bfd21f336a313a4ce1c450542449ca191bb657b4642ef"
+dependencies = [
+ "mime",
+ "unicase",
+]
+
 [[package]]
 name = "miniz_oxide"
 version = "0.7.4"
@@ -1156,12 +1166,13 @@ dependencies = [
 
 [[package]]
 name = "rbx_asset"
-version = "0.1.0"
+version = "0.2.0"
 dependencies = [
  "chrono",
  "flate2",
  "reqwest",
  "serde",
+ "serde_json",
  "url",
 ]
 
@@ -1294,6 +1305,7 @@ dependencies = [
  "js-sys",
  "log",
  "mime",
+ "mime_guess",
  "native-tls",
  "once_cell",
  "percent-encoding",
@@ -1351,6 +1363,18 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "rox_compiler"
+version = "0.1.0"
+dependencies = [
+ "futures",
+ "lazy-regex",
+ "rayon",
+ "rbx_dom_weak",
+ "rbx_xml",
+ "tokio",
+]
+
 [[package]]
 name = "rustc-demangle"
 version = "0.1.24"
@@ -1733,6 +1757,15 @@ version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e421abadd41a4225275504ea4d6566923418b7f05506fbc9c0fe86ba7396114b"
 
+[[package]]
+name = "unicase"
+version = "2.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f7d2d4dafb69621809a81864c9c1b864479e1235c0dd4e199924b9742439ed89"
+dependencies = [
+ "version_check",
+]
+
 [[package]]
 name = "unicode-bidi"
 version = "0.3.15"
@@ -1783,6 +1816,12 @@ version = "0.2.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
 
+[[package]]
+name = "version_check"
+version = "0.9.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
+
 [[package]]
 name = "want"
 version = "0.3.1"

Cargo.toml

@@ -1,7 +1,7 @@
-workspace = { members = ["rbx_asset"] }
+workspace = { members = ["rbx_asset", "rox_compiler"] }
 [package]
 name = "asset-tool"
-version = "0.3.1"
+version = "0.3.4"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
@@ -13,12 +13,12 @@ futures = "0.3.30"
 git2 = "0.18.1"
 lazy-regex = "3.1.0"
 pollster = "0.3.0"
-rayon = "1.8.0"
 rbx_asset = { path = "rbx_asset" }
 rbx_binary = "0.7.4"
 rbx_dom_weak = "2.7.0"
 rbx_reflection_database = "0.2.10"
 rbx_xml = "0.13.3"
+rox_compiler = { path = "rox_compiler" }
 serde_json = "1.0.111"
 tokio = { version = "1.35.1", features = ["macros", "rt-multi-thread", "fs"] }
 

rbx_asset/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "rbx_asset"
-version = "0.1.0"
+version = "0.2.0"
 edition = "2021"
 publish = ["strafesnet"]
 
@@ -9,6 +9,7 @@ publish = ["strafesnet"]
 [dependencies]
 chrono = { version = "0.4.38", features = ["serde"] }
 flate2 = "1.0.29"
-reqwest = { version = "0.12.4", features = ["json"] }
+reqwest = { version = "0.12.4", features = ["json","multipart"] }
 serde = { version = "1.0.199", features = ["derive"] }
+serde_json = "1.0.111"
 url = "2.5.0"

rbx_asset/src/context.rs

@@ -1,28 +1,22 @@
-#[derive(Debug)]
-pub enum PostError{
-	Reqwest(reqwest::Error),
-	CSRF,
-}
-impl std::fmt::Display for PostError{
-	fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-		write!(f,"{self:?}")
-	}
-}
-impl std::error::Error for PostError{}
-
 #[derive(Debug,serde::Deserialize,serde::Serialize)]
 #[allow(nonstandard_style,dead_code)]
-pub struct CreateRequest{
+pub enum AssetType{
-	pub name:String,
+	Audio,
+	Decal,
+	Model,
+}
+#[derive(Debug,serde::Deserialize,serde::Serialize)]
+#[allow(nonstandard_style,dead_code)]
+pub struct CreateAssetRequest{
+	pub assetType:AssetType,
+	pub creationContext:CreationContext,
 	pub description:String,
-	pub ispublic:bool,
+	pub displayName:String,
-	pub allowComments:bool,
-	pub groupId:Option<u64>,
 }
 #[derive(Debug)]
 pub enum CreateError{
 	ParseError(url::ParseError),
-	PostError(PostError),
+	SerializeError(serde_json::Error),
 	Reqwest(reqwest::Error),
 }
 impl std::fmt::Display for CreateError{
@@ -32,54 +26,96 @@ impl std::fmt::Display for CreateError{
 }
 impl std::error::Error for CreateError{}
 
+#[derive(Debug,serde::Deserialize,serde::Serialize)]
 #[allow(nonstandard_style,dead_code)]
-pub struct UploadRequest{
+pub struct UpdateAssetRequest{
-	pub assetid:u64,
+	pub assetId:u64,
-	pub name:Option<String>,
+	pub displayName:Option<String>,
 	pub description:Option<String>,
-	pub ispublic:Option<bool>,
+}
-	pub allowComments:Option<bool>,
+
-	pub groupId:Option<u64>,
+//woo nested roblox stuff
+#[derive(Debug,serde::Deserialize,serde::Serialize)]
+#[allow(nonstandard_style,dead_code)]
+pub struct Creator{
+	pub userId:u64,
+	pub groupId:u64,
+}
+#[derive(Debug,serde::Deserialize,serde::Serialize)]
+#[allow(nonstandard_style,dead_code)]
+pub struct CreationContext{
+	pub creator:Creator,
+	pub expectedPrice:u64,
+}
+#[derive(Debug,serde::Deserialize,serde::Serialize)]
+#[allow(nonstandard_style,dead_code)]
+pub enum ModerationResult{
+	MODERATION_STATE_REVIEWING,
+	MODERATION_STATE_REJECTED,
+	MODERATION_STATE_APPROVED,
+}
+#[derive(Debug,serde::Deserialize,serde::Serialize)]
+#[allow(nonstandard_style,dead_code)]
+pub struct Preview{
+	pub asset:String,
+	pub altText:String,
+}
+#[derive(Debug,serde::Deserialize,serde::Serialize)]
+#[allow(nonstandard_style,dead_code)]
+pub struct AssetResponse{
+	pub assetId:u64,
+	pub creationContext:CreationContext,
+	pub description:String,
+	pub displayName:String,
+	pub path:String,
+	pub revisionId:u64,
+	pub revisionCreateTime:chrono::DateTime<chrono::Utc>,
+	pub moderationResult:ModerationResult,
+	pub icon:String,
+	pub previews:Vec<Preview>,
+}
+#[allow(nonstandard_style,dead_code)]
+pub struct UpdatePlaceRequest{
+	pub universeId:u64,
+	pub placeId:u64,
+}
+#[derive(Debug,serde::Deserialize,serde::Serialize)]
+#[allow(nonstandard_style,dead_code)]
+pub struct UpdatePlaceResponse{
+	pub versionNumber:u64,
 }
 #[derive(Debug)]
-pub enum UploadError{
+pub enum UpdateError{
 	ParseError(url::ParseError),
-	PostError(PostError),
+	SerializeError(serde_json::Error),
 	Reqwest(reqwest::Error),
-	AssetIdIsZero,
 }
-impl std::fmt::Display for UploadError{
+impl std::fmt::Display for UpdateError{
 	fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
 		write!(f,"{self:?}")
 	}
 }
-impl std::error::Error for UploadError{}
+impl std::error::Error for UpdateError{}
-#[derive(Debug,serde::Deserialize,serde::Serialize)]
-#[allow(nonstandard_style,dead_code)]
-pub struct UploadResponse{
-	pub AssetId:u64,
-	pub AssetVersionId:u64,
-}
 
 #[allow(nonstandard_style,dead_code)]
-pub struct DownloadRequest{
+pub struct GetAssetRequest{
 	pub asset_id:u64,
 	pub version:Option<u64>,
 }
 #[derive(Debug)]
-pub enum DownloadError{
+pub enum GetError{
 	ParseError(url::ParseError),
 	Reqwest(reqwest::Error),
 	IO(std::io::Error)
 }
-impl std::fmt::Display for DownloadError{
+impl std::fmt::Display for GetError{
 	fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
 		write!(f,"{self:?}")
 	}
 }
-impl std::error::Error for DownloadError{}
+impl std::error::Error for GetError{}
 
-pub struct HistoryPageRequest{
+pub struct AssetVersionsRequest{
 	pub asset_id:u64,
 	pub cursor:Option<String>,
 }
@@ -97,22 +133,22 @@ pub struct AssetVersion{
 }
 #[derive(serde::Deserialize)]
 #[allow(nonstandard_style,dead_code)]
-pub struct HistoryPageResponse{
+pub struct AssetVersionsResponse{
 	pub previousPageCursor:Option<String>,
 	pub nextPageCursor:Option<String>,
 	pub data:Vec<AssetVersion>,
 }
 #[derive(Debug)]
-pub enum HistoryPageError{
+pub enum AssetVersionsError{
 	ParseError(url::ParseError),
 	Reqwest(reqwest::Error),
 }
-impl std::fmt::Display for HistoryPageError{
+impl std::fmt::Display for AssetVersionsError{
 	fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
 		write!(f,"{self:?}")
 	}
 }
-impl std::error::Error for HistoryPageError{}
+impl std::error::Error for AssetVersionsError{}
 
 pub struct InventoryPageRequest{
 	pub group:u64,
@@ -170,97 +206,69 @@ fn read_readable(mut readable:impl std::io::Read)->std::io::Result<Vec<u8>>{
 
 #[derive(Clone)]
 pub struct RobloxContext{
-	pub cookie:String,
+	pub api_key:String,
 	pub client:reqwest::Client,
 }
 
 impl RobloxContext{
-	pub fn new(cookie:String)->Self{
+	pub fn new(api_key:String)->Self{
 		Self{
-			cookie,
+			api_key,
 			client:reqwest::Client::new(),
 		}
 	}
 	async fn get(&self,url:impl reqwest::IntoUrl)->Result<reqwest::Response,reqwest::Error>{
 		self.client.get(url)
-		.header("Cookie",self.cookie.as_str())
+		.header("x-api-key",self.api_key.as_str())
 		.send().await
 	}
-	async fn post(&self,url:url::Url,body:impl Into<reqwest::Body>+Clone)->Result<reqwest::Response,PostError>{
+	async fn post(&self,url:url::Url,body:impl Into<reqwest::Body>+Clone)->Result<reqwest::Response,reqwest::Error>{
-		let mut resp=self.client.post(url.clone())
+		self.client.post(url)
-		.header("Cookie",self.cookie.as_str())
+		.header("x-api-key",self.api_key.as_str())
-		.body(body.clone())
+		.body(body)
-		.send().await.map_err(PostError::Reqwest)?;
+		.send().await
-
-		//This is called a CSRF challenge apparently
-		if resp.status()==reqwest::StatusCode::FORBIDDEN{
-			if let Some(csrf_token)=resp.headers().get("X-CSRF-Token"){
-				resp=self.client.post(url)
-				.header("X-CSRF-Token",csrf_token)
-				.header("Cookie",self.cookie.as_str())
-				.body(body)
-				.send().await.map_err(PostError::Reqwest)?;
-			}else{
-				Err(PostError::CSRF)?;
-			}
-		}
-
-		Ok(resp)
 	}
-	pub async fn create(&self,config:CreateRequest,body:impl Into<reqwest::Body>+Clone)->Result<UploadResponse,CreateError>{
+	async fn patch_form(&self,url:url::Url,form:reqwest::multipart::Form)->Result<reqwest::Response,reqwest::Error>{
-		let mut url=reqwest::Url::parse("https://data.roblox.com/Data/Upload.ashx?json=1&type=Model&genreTypeId=1").map_err(CreateError::ParseError)?;
+		self.client.patch(url)
-		//url borrow scope
+		.header("x-api-key",self.api_key.as_str())
-		{
+		.multipart(form)
-			let mut query=url.query_pairs_mut();//borrow here
+		.send().await
-			//archaic roblox api uses 0 for new asset
-			query.append_pair("assetid","0");
-			query.append_pair("name",config.name.as_str());
-			query.append_pair("description",config.description.as_str());
-			query.append_pair("ispublic",if config.ispublic{"True"}else{"False"});
-			query.append_pair("allowComments",if config.allowComments{"True"}else{"False"});
-			match config.groupId{
-				Some(group_id)=>{query.append_pair("groupId",group_id.to_string().as_str());},
-				None=>(),
-			}
-		}
-
-		let resp=self.post(url,body).await.map_err(CreateError::PostError)?;
-
-		Ok(resp.json::<UploadResponse>().await.map_err(CreateError::Reqwest)?)
 	}
-	pub async fn upload(&self,config:UploadRequest,body:impl Into<reqwest::Body>+Clone)->Result<UploadResponse,UploadError>{
+	async fn post_form(&self,url:url::Url,form:reqwest::multipart::Form)->Result<reqwest::Response,reqwest::Error>{
-		let mut url=reqwest::Url::parse("https://data.roblox.com/Data/Upload.ashx?json=1&type=Model&genreTypeId=1").map_err(UploadError::ParseError)?;
+		self.client.post(url)
-		//url borrow scope
+		.header("x-api-key",self.api_key.as_str())
-		{
+		.multipart(form)
-			let mut query=url.query_pairs_mut();//borrow here
+		.send().await
-			//archaic roblox api uses 0 for new asset
-			match config.assetid{
-				0=>return Err(UploadError::AssetIdIsZero),
-				assetid=>{query.append_pair("assetid",assetid.to_string().as_str());},
-			}
-			if let Some(name)=config.name.as_deref(){
-				query.append_pair("name",name);
-			}
-			if let Some(description)=config.description.as_deref(){
-				query.append_pair("description",description);
-			}
-			if let Some(ispublic)=config.ispublic{
-				query.append_pair("ispublic",if ispublic{"True"}else{"False"});
-			}
-			if let Some(allow_comments)=config.allowComments{
-				query.append_pair("allowComments",if allow_comments{"True"}else{"False"});
-			}
-			if let Some(group_id)=config.groupId{
-				query.append_pair("groupId",group_id.to_string().as_str());
-			}
-		}
-
-		let resp=self.post(url,body).await.map_err(UploadError::PostError)?;
-
-		Ok(resp.json::<UploadResponse>().await.map_err(UploadError::Reqwest)?)
 	}
-	pub async fn download(&self,config:DownloadRequest)->Result<Vec<u8>,DownloadError>{
+	pub async fn create_asset(&self,config:CreateAssetRequest,body:impl Into<std::borrow::Cow<'static,[u8]>>)->Result<AssetResponse,CreateError>{
-		let mut url=reqwest::Url::parse("https://assetdelivery.roblox.com/v1/asset/").map_err(DownloadError::ParseError)?;
+		let url=reqwest::Url::parse("https://apis.roblox.com/assets/v1/assets").map_err(CreateError::ParseError)?;
+
+		let request_config=serde_json::to_string(&config).map_err(CreateError::SerializeError)?;
+
+		let form=reqwest::multipart::Form::new()
+		.text("request",request_config)
+		.part("fileContent",reqwest::multipart::Part::bytes(body));
+
+		let resp=self.post_form(url,form).await.map_err(CreateError::Reqwest)?;
+
+		Ok(resp.json::<AssetResponse>().await.map_err(CreateError::Reqwest)?)
+	}
+	pub async fn update_asset(&self,config:UpdateAssetRequest,body:impl Into<std::borrow::Cow<'static,[u8]>>)->Result<AssetResponse,UpdateError>{
+		let raw_url=format!("https://apis.roblox.com/assets/v1/assets/{}",config.assetId);
+		let url=reqwest::Url::parse(raw_url.as_str()).map_err(UpdateError::ParseError)?;
+
+		let request_config=serde_json::to_string(&config).map_err(UpdateError::SerializeError)?;
+
+		let form=reqwest::multipart::Form::new()
+		.text("request",request_config)
+		.part("fileContent",reqwest::multipart::Part::bytes(body));
+
+		let resp=self.patch_form(url,form).await.map_err(UpdateError::Reqwest)?;
+
+		Ok(resp.json::<AssetResponse>().await.map_err(UpdateError::Reqwest)?)
+	}
+	pub async fn get_asset(&self,config:GetAssetRequest)->Result<Vec<u8>,GetError>{
+		let mut url=reqwest::Url::parse("https://assetdelivery.roblox.com/v1/asset/").map_err(GetError::ParseError)?;
 		//url borrow scope
 		{
 			let mut query=url.query_pairs_mut();//borrow here
@@ -269,31 +277,22 @@ impl RobloxContext{
 				query.append_pair("version",version.to_string().as_str());
 			}
 		}
-		let resp=self.get(url).await.map_err(DownloadError::Reqwest)?;
+		let resp=self.get(url).await.map_err(GetError::Reqwest)?;
 
-		let body=resp.bytes().await.map_err(DownloadError::Reqwest)?;
+		let body=resp.bytes().await.map_err(GetError::Reqwest)?;
 
 		match maybe_gzip_decode(&mut std::io::Cursor::new(body)){
 			Ok(ReaderType::GZip(readable))=>read_readable(readable),
 			Ok(ReaderType::Raw(readable))=>read_readable(readable),
 			Err(e)=>Err(e),
-		}.map_err(DownloadError::IO)
+		}.map_err(GetError::IO)
 	}
-	pub async fn history_page(&self,config:HistoryPageRequest)->Result<HistoryPageResponse,HistoryPageError>{
+	pub async fn get_asset_versions(&self,config:AssetVersionsRequest)->Result<AssetVersionsResponse,AssetVersionsError>{
-		let mut url=reqwest::Url::parse(format!("https://develop.roblox.com/v1/assets/{}/saved-versions",config.asset_id).as_str()).map_err(HistoryPageError::ParseError)?;
+		let raw_url=format!("https://apis.roblox.com/assets/v1/assets/{}/versions",config.asset_id);
-		//url borrow scope
+		let url=reqwest::Url::parse(raw_url.as_str()).map_err(AssetVersionsError::ParseError)?;
-		{
-			let mut query=url.query_pairs_mut();//borrow here
-			//query.append_pair("sortOrder","Asc");
-			//query.append_pair("limit","100");
-			//query.append_pair("count","100");
-			if let Some(cursor)=config.cursor.as_deref(){
-				query.append_pair("cursor",cursor);
-			}
-		}
 
-		Ok(self.get(url).await.map_err(HistoryPageError::Reqwest)?
+		Ok(self.get(url).await.map_err(AssetVersionsError::Reqwest)?
-		.json::<HistoryPageResponse>().await.map_err(HistoryPageError::Reqwest)?)
+		.json::<AssetVersionsResponse>().await.map_err(AssetVersionsError::Reqwest)?)
 	}
 	pub async fn inventory_page(&self,config:InventoryPageRequest)->Result<InventoryPageResponse,InventoryPageError>{
 		let mut url=reqwest::Url::parse(format!("https://apis.roblox.com/toolbox-service/v1/creations/group/{}/10?limit=50",config.group).as_str()).map_err(InventoryPageError::ParseError)?;
@@ -308,4 +307,12 @@ impl RobloxContext{
 		Ok(self.get(url).await.map_err(InventoryPageError::Reqwest)?
 		.json::<InventoryPageResponse>().await.map_err(InventoryPageError::Reqwest)?)
 	}
+	pub async fn update_place(&self,config:UpdatePlaceRequest,body:impl Into<reqwest::Body>+Clone)->Result<UpdatePlaceResponse,UpdateError>{
+		let raw_url=format!("https://apis.roblox.com/universes/v1/{}/places/{}/versions",config.universeId,config.placeId);
+		let url=reqwest::Url::parse(raw_url.as_str()).map_err(UpdateError::ParseError)?;
+
+		let resp=self.post(url,body).await.map_err(UpdateError::Reqwest)?;
+
+		Ok(resp.json::<UpdatePlaceResponse>().await.map_err(UpdateError::Reqwest)?)
+	}
 }

rox_compiler/Cargo.toml

@@ -0,0 +1,12 @@
+[package]
+name = "rox_compiler"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+futures = "0.3.30"
+lazy-regex = "3.1.0"
+rayon = "1.8.0"
+rbx_dom_weak = "2.7.0"
+rbx_xml = "0.13.3"
+tokio = { version = "1.35.1", features = ["fs"] }

rox_compiler/src/common.rs

@@ -0,0 +1,33 @@
+#[derive(Clone,Copy,Debug)]
+pub enum Style{
+	Rox,
+	Rojo,
+	RoxRojo,
+}
+
+#[derive(Default)]
+pub(crate) struct PropertiesOverride{
+	pub name:Option<String>,
+	pub class:Option<String>,
+}
+impl PropertiesOverride{
+	pub fn is_some(&self)->bool{
+		self.name.is_some()
+		||self.class.is_some()
+	}
+}
+impl std::fmt::Display for PropertiesOverride{
+	fn fmt(&self,f:&mut std::fmt::Formatter<'_>)->std::fmt::Result{
+		if let Some(name)=self.name.as_deref(){
+			writeln!(f,"--!Properties.Name = \"{}\"",name)?;
+		}
+		if let Some(class)=self.class.as_deref(){
+			writeln!(f,"--!Properties.ClassName = \"{}\"",class)?;
+		}
+		Ok(())
+	}
+}
+
+pub(crate) fn sanitize<'a>(s:&'a str)->std::borrow::Cow<'a,str>{
+	lazy_regex::regex!(r"[^A-z0-9.-]").replace_all(s,"_")
+}

rox_compiler/src/compile.rs

@@ -0,0 +1,551 @@
+use std::path::PathBuf;
+use futures::{StreamExt, TryStreamExt};
+use tokio::io::AsyncReadExt;
+
+use crate::common::{sanitize,Style,PropertiesOverride};
+
+//holy smokes what am I doing lmao
+//This giant machine is supposed to search for files according to style rules
+//e.g. ScriptName.server.lua or init.lua
+//Obviously I got carried away
+//I could use an enum!
+//I could use a struct!
+//I could use a trait!
+//I could use an error!
+//I could use a match!
+//I could use a function!
+//eventually:
+#[derive(Debug)]
+#[allow(dead_code)]//idk why this thinks it's dead code, the errors are printed out in various places
+pub enum QueryResolveError{
+	NotFound,//0 results
+	Ambiguous,//>1 results
+	JoinError(tokio::task::JoinError),
+	IO(std::io::Error),
+}
+impl std::fmt::Display for QueryResolveError{
+	fn fmt(&self,f:&mut std::fmt::Formatter<'_>)->std::fmt::Result{
+		write!(f,"{self:?}")
+	}
+}
+impl std::error::Error for QueryResolveError{}
+
+struct FileWithName{
+	file:tokio::fs::File,
+	name:String,
+}
+
+async fn get_file_async(mut path:PathBuf,file_name:impl AsRef<std::path::Path>)->Result<FileWithName,QueryResolveError>{
+	let name=file_name.as_ref().to_str().unwrap().to_owned();
+	path.push(file_name);
+	match tokio::fs::File::open(path).await{
+		Ok(file)=>Ok(FileWithName{file,name}),
+		Err(e)=>match e.kind(){
+			std::io::ErrorKind::NotFound=>Err(QueryResolveError::NotFound),
+			_=>Err(QueryResolveError::IO(e)),
+		},
+	}
+}
+type QueryHintResult=Result<FileHint,QueryResolveError>;
+trait Query{
+	async fn resolve(self)->QueryHintResult;
+}
+type QueryHandle=tokio::task::JoinHandle<Result<FileWithName,QueryResolveError>>;
+struct QuerySingle{
+	script:QueryHandle,
+}
+impl QuerySingle{
+	fn rox(search_path:&PathBuf,search_name:&str)->Self{
+		Self{
+			script:tokio::spawn(get_file_async(search_path.clone(),format!("{}.lua",search_name)))
+		}
+	}
+}
+impl Query for QuerySingle{
+	async fn resolve(self)->QueryHintResult{
+		match self.script.await{
+			Ok(Ok(file))=>Ok(FileHint{file,hint:ScriptHint::ModuleScript}),
+			Ok(Err(e))=>Err(e),
+			Err(e)=>Err(QueryResolveError::JoinError(e)),
+		}
+	}
+}
+struct QueryTriple{
+	module:QueryHandle,
+	server:QueryHandle,
+	client:QueryHandle,
+}
+impl QueryTriple{
+	fn rox_rojo(search_path:&PathBuf,search_name:&str,search_module:bool)->Self{
+		//this should be implemented as constructors of Triplet and Quadruplet to fully support Trey's suggestion
+		let module_name=if search_module{
+			format!("{}.module.lua",search_name)
+		}else{
+			format!("{}.lua",search_name)
+		};
+		Self{
+			module:tokio::spawn(get_file_async(search_path.clone(),module_name)),
+			server:tokio::spawn(get_file_async(search_path.clone(),format!("{}.server.lua",search_name))),
+			client:tokio::spawn(get_file_async(search_path.clone(),format!("{}.client.lua",search_name))),
+		}
+	}
+	fn rojo(search_path:&PathBuf)->Self{
+		QueryTriple::rox_rojo(search_path,"init",false)
+	}
+}
+//these functions can be achieved with macros, but I have not learned that yet
+fn mega_triple_join(query_triplet:(QueryHintResult,QueryHintResult,QueryHintResult))->QueryHintResult{
+	match query_triplet{
+		//unambiguously locate file
+		(Ok(f),Err(QueryResolveError::NotFound),Err(QueryResolveError::NotFound))
+		|(Err(QueryResolveError::NotFound),Ok(f),Err(QueryResolveError::NotFound))
+		|(Err(QueryResolveError::NotFound),Err(QueryResolveError::NotFound),Ok(f))=>Ok(f),
+		//multiple files located
+		(Ok(_),Ok(_),Err(QueryResolveError::NotFound))
+		|(Ok(_),Err(QueryResolveError::NotFound),Ok(_))
+		|(Err(QueryResolveError::NotFound),Ok(_),Ok(_))
+		|(Ok(_),Ok(_),Ok(_))=>Err(QueryResolveError::Ambiguous),
+		//no files located
+		(Err(QueryResolveError::NotFound),Err(QueryResolveError::NotFound),Err(QueryResolveError::NotFound))=>Err(QueryResolveError::NotFound),
+		//other error
+		(Err(e),_,_)
+		|(_,Err(e),_)
+		|(_,_,Err(e))=>Err(e),
+	}
+}
+//LETS GOOOOOOOOOOOOOOOO
+fn mega_quadruple_join(query_quad:(QueryHintResult,QueryHintResult,QueryHintResult,QueryHintResult))->QueryHintResult{
+	match query_quad{
+		//unambiguously locate file
+		(Ok(f),Err(QueryResolveError::NotFound),Err(QueryResolveError::NotFound),Err(QueryResolveError::NotFound))
+		|(Err(QueryResolveError::NotFound),Ok(f),Err(QueryResolveError::NotFound),Err(QueryResolveError::NotFound))
+		|(Err(QueryResolveError::NotFound),Err(QueryResolveError::NotFound),Ok(f),Err(QueryResolveError::NotFound))
+		|(Err(QueryResolveError::NotFound),Err(QueryResolveError::NotFound),Err(QueryResolveError::NotFound),Ok(f))=>Ok(f),
+		//multiple files located
+		(Ok(_),Ok(_),Ok(_),Err(QueryResolveError::NotFound))
+		|(Ok(_),Ok(_),Err(QueryResolveError::NotFound),Ok(_))
+		|(Ok(_),Ok(_),Err(QueryResolveError::NotFound),Err(QueryResolveError::NotFound))
+		|(Ok(_),Err(QueryResolveError::NotFound),Ok(_),Ok(_))
+		|(Ok(_),Err(QueryResolveError::NotFound),Ok(_),Err(QueryResolveError::NotFound))
+		|(Ok(_),Err(QueryResolveError::NotFound),Err(QueryResolveError::NotFound),Ok(_))
+		|(Err(QueryResolveError::NotFound),Ok(_),Ok(_),Ok(_))
+		|(Err(QueryResolveError::NotFound),Ok(_),Ok(_),Err(QueryResolveError::NotFound))
+		|(Err(QueryResolveError::NotFound),Ok(_),Err(QueryResolveError::NotFound),Ok(_))
+		|(Err(QueryResolveError::NotFound),Err(QueryResolveError::NotFound),Ok(_),Ok(_))
+		|(Ok(_),Ok(_),Ok(_),Ok(_))=>Err(QueryResolveError::Ambiguous),
+		//no files located
+		(Err(QueryResolveError::NotFound),Err(QueryResolveError::NotFound),Err(QueryResolveError::NotFound),Err(QueryResolveError::NotFound))=>Err(QueryResolveError::NotFound),
+		//other error
+		(Err(e),_,_,_)
+		|(_,Err(e),_,_)
+		|(_,_,Err(e),_)
+		|(_,_,_,Err(e))=>Err(e),
+	}
+}
+impl Query for QueryTriple{
+	async fn resolve(self)->QueryHintResult{
+		let (module,server,client)=tokio::join!(self.module,self.server,self.client);
+		mega_triple_join((
+			module.map_err(|e|QueryResolveError::JoinError(e))?.map(|file|FileHint{file,hint:ScriptHint::ModuleScript}),
+			server.map_err(|e|QueryResolveError::JoinError(e))?.map(|file|FileHint{file,hint:ScriptHint::Script}),
+			client.map_err(|e|QueryResolveError::JoinError(e))?.map(|file|FileHint{file,hint:ScriptHint::LocalScript}),
+		))
+	}
+}
+struct QueryQuad{
+	module_implicit:QueryHandle,
+	module_explicit:QueryHandle,
+	server:QueryHandle,
+	client:QueryHandle,
+}
+impl QueryQuad{
+	fn rox_rojo(search_path:&PathBuf,search_name:&str)->Self{
+		let fill=QueryTriple::rox_rojo(search_path,search_name,true);
+		Self{
+			module_implicit:QuerySingle::rox(search_path,search_name).script,//Script.lua
+			module_explicit:fill.module,//Script.module.lua
+			server:fill.server,
+			client:fill.client,
+		}
+	}
+}
+impl Query for QueryQuad{
+	async fn resolve(self)->QueryHintResult{
+		let (module_implicit,module_explicit,server,client)=tokio::join!(self.module_implicit,self.module_explicit,self.server,self.client);
+		mega_quadruple_join((
+			module_implicit.map_err(|e|QueryResolveError::JoinError(e))?.map(|file|FileHint{file,hint:ScriptHint::ModuleScript}),
+			module_explicit.map_err(|e|QueryResolveError::JoinError(e))?.map(|file|FileHint{file,hint:ScriptHint::ModuleScript}),
+			server.map_err(|e|QueryResolveError::JoinError(e))?.map(|file|FileHint{file,hint:ScriptHint::Script}),
+			client.map_err(|e|QueryResolveError::JoinError(e))?.map(|file|FileHint{file,hint:ScriptHint::LocalScript}),
+		))
+	}
+}
+
+struct ScriptWithOverrides{
+	overrides:PropertiesOverride,
+	source:String,
+}
+
+#[derive(Debug)]
+pub enum ScriptWithOverridesError{
+	UnimplementedProperty(String),
+}
+impl std::fmt::Display for ScriptWithOverridesError{
+	fn fmt(&self,f:&mut std::fmt::Formatter<'_>)->std::fmt::Result{
+		write!(f,"{self:?}")
+	}
+}
+impl std::error::Error for ScriptWithOverridesError{}
+
+impl ScriptWithOverrides{
+	fn from_source(mut source:String)->Result<Self,ScriptWithOverridesError>{
+		let mut overrides=PropertiesOverride::default();
+		let mut count=0;
+		for line in source.lines(){
+			//only string type properties are supported atm
+			if let Some(captures)=lazy_regex::regex!(r#"^\-\-\!\s*Properties\.([A-z]\w*)\s*\=\s*"(\w+)"$"#)
+			.captures(line){
+				count+=line.len();
+				match &captures[1]{
+					"Name"=>overrides.name=Some(captures[2].to_owned()),
+					"ClassName"=>overrides.class=Some(captures[2].to_owned()),
+					other=>Err(ScriptWithOverridesError::UnimplementedProperty(other.to_owned()))?,
+				}
+			}else{
+				break;
+			}
+		}
+		Ok(ScriptWithOverrides{overrides,source:source.split_off(count)})
+	}
+}
+
+enum CompileClass{
+	Folder,
+	Script(String),
+	LocalScript(String),
+	ModuleScript(String),
+	Model(Vec<u8>),
+}
+
+struct CompileNode{
+	name:String,
+	blacklist:Option<String>,
+	class:CompileClass,
+}
+
+#[derive(Debug)]
+pub enum CompileNodeError{
+	IO(std::io::Error),
+	ScriptWithOverrides(ScriptWithOverridesError),
+	InvalidClassOrHint{
+		class:Option<String>,
+		hint:ScriptHint
+	},
+	QueryResolveError(QueryResolveError),
+	/// Conversion from OsString to String failed
+	FileName(std::ffi::OsString),
+	ExtensionNotSupportedInStyle{
+		extension:String,
+		style:Option<Style>,
+	},
+	NoExtension,
+}
+impl std::fmt::Display for CompileNodeError{
+	fn fmt(&self,f:&mut std::fmt::Formatter<'_>)->std::fmt::Result{
+		write!(f,"{self:?}")
+	}
+}
+impl std::error::Error for CompileNodeError{}
+
+enum FileDiscernment{
+	Model,
+	Script(ScriptHint),
+}
+
+impl CompileNode{
+	async fn script(search_name:&str,mut file:FileWithName,hint:ScriptHint)->Result<Self,CompileNodeError>{
+		//read entire file
+		let mut buf=String::new();
+		file.file.read_to_string(&mut buf).await.map_err(CompileNodeError::IO)?;
+		//regex script according to Properties lines at the top
+		let script_with_overrides=ScriptWithOverrides::from_source(buf).map_err(CompileNodeError::ScriptWithOverrides)?;
+		//script
+		Ok(Self{
+			blacklist:Some(file.name),
+			name:script_with_overrides.overrides.name.unwrap_or_else(||search_name.to_owned()),
+			class:match (script_with_overrides.overrides.class.as_deref(),hint){
+				(Some("ModuleScript"),_)
+				|(None,ScriptHint::ModuleScript)=>CompileClass::ModuleScript(script_with_overrides.source),
+				(Some("LocalScript"),_)
+				|(None,ScriptHint::LocalScript)=>CompileClass::LocalScript(script_with_overrides.source),
+				(Some("Script"),_)
+				|(None,ScriptHint::Script)=>CompileClass::Script(script_with_overrides.source),
+				(class,hint)=>Err(CompileNodeError::InvalidClassOrHint{class:class.map(|s|s.to_owned()),hint})?,
+			},
+		})
+	}
+	async fn model(search_name:&str,mut file:FileWithName)->Result<Self,CompileNodeError>{
+		//read entire file
+		let mut buf=Vec::new();
+		file.file.read_to_end(&mut buf).await.map_err(CompileNodeError::IO)?;
+		//model
+		Ok(Self{
+			blacklist:Some(file.name),
+			name:search_name.to_owned(),//wrong but gets overwritten by internal model name
+			class:CompileClass::Model(buf),
+		})
+	}
+
+	async fn from_folder(entry:&tokio::fs::DirEntry,style:Option<Style>)->Result<Self,CompileNodeError>{
+		let contents_folder=entry.path();
+		let file_name=entry.file_name();
+		let search_name=file_name.to_str().unwrap();
+		//scan inside the folder for an object to define the class of the folder
+		let script_query=async {match style{
+			Some(Style::Rox)=>QuerySingle::rox(&contents_folder,search_name).resolve().await,
+			Some(Style::RoxRojo)=>QueryQuad::rox_rojo(&contents_folder,search_name).resolve().await,
+			Some(Style::Rojo)=>QueryTriple::rojo(&contents_folder).resolve().await,
+			//try all three and complain if there is ambiguity
+			None=>mega_triple_join(tokio::join!(
+				QuerySingle::rox(&contents_folder,search_name).resolve(),
+				//true=search for module here to avoid ambiguity with QuerySingle::rox results
+				QueryTriple::rox_rojo(&contents_folder,search_name,true).resolve(),
+				QueryTriple::rojo(&contents_folder).resolve(),
+			))
+		}};
+		//model files are rox & rox-rojo only, so it's a lot less work...
+		let model_query=get_file_async(contents_folder.clone(),format!("{}.rbxmx",search_name));
+		//model? script? both?
+		Ok(match tokio::join!(script_query,model_query){
+			(Ok(FileHint{file,hint}),Err(QueryResolveError::NotFound))=>Self::script(search_name,file,hint).await?,
+			(Err(QueryResolveError::NotFound),Ok(file))=>Self::model(search_name,file).await?,
+			(Ok(_),Ok(_))=>Err(CompileNodeError::QueryResolveError(QueryResolveError::Ambiguous))?,
+			//neither
+			(Err(QueryResolveError::NotFound),Err(QueryResolveError::NotFound))=>Self{
+				name:search_name.to_owned(),
+				blacklist:None,
+				class:CompileClass::Folder,
+			},
+			//other error
+			(Err(e),_)
+			|(_,Err(e))=>Err(CompileNodeError::QueryResolveError(e))?
+		})
+	}
+
+	async fn from_file(entry:&tokio::fs::DirEntry,style:Option<Style>)->Result<Self,CompileNodeError>{
+		let mut file_name=entry
+		.file_name()
+		.into_string()
+		.map_err(CompileNodeError::FileName)?;
+		//reject goobers
+		let is_goober=match style{
+			Some(Style::Rojo)=>true,
+			_=>false,
+		};
+		let (ext_len,file_discernment)={
+			if let Some(captures)=lazy_regex::regex!(r"^.*(.module.lua|.client.lua|.server.lua|.rbxmx|.lua)$")
+			.captures(file_name.as_str()){
+				let ext=&captures[1];
+				(ext.len(),match ext{
+					".module.lua"=>{
+						if is_goober{
+							Err(CompileNodeError::ExtensionNotSupportedInStyle{extension:ext.to_owned(),style})?;
+						}
+						FileDiscernment::Script(ScriptHint::ModuleScript)
+					},
+					".client.lua"=>FileDiscernment::Script(ScriptHint::LocalScript),
+					".server.lua"=>FileDiscernment::Script(ScriptHint::Script),
+					".rbxmx"=>{
+						if is_goober{
+							Err(CompileNodeError::ExtensionNotSupportedInStyle{extension:ext.to_owned(),style})?;
+						}
+						FileDiscernment::Model
+					},
+					".lua"=>FileDiscernment::Script(ScriptHint::ModuleScript),
+					_=>panic!("Regex failed"),
+				})
+			}else{
+				return Err(CompileNodeError::NoExtension);
+			}
+		};
+		file_name.truncate(file_name.len()-ext_len);
+		let file=tokio::fs::File::open(entry.path()).await.map_err(CompileNodeError::IO)?;
+		Ok(match file_discernment{
+			FileDiscernment::Model=>Self::model(file_name.as_str(),FileWithName{file,name:file_name.clone()}).await?,
+			FileDiscernment::Script(hint)=>Self::script(file_name.as_str(),FileWithName{file,name:file_name.clone()},hint).await?,
+		})
+	}
+}
+
+#[derive(Debug)]
+pub enum ScriptHint{
+	Script,
+	LocalScript,
+	ModuleScript,
+}
+struct FileHint{
+	file:FileWithName,
+	hint:ScriptHint,
+}
+
+enum PreparedData{
+	Model(rbx_dom_weak::WeakDom),
+	Builder(rbx_dom_weak::InstanceBuilder),
+}
+
+enum CompileStackInstruction{
+	TraverseReferent(rbx_dom_weak::types::Ref,Option<String>),
+	PopFolder,
+}
+
+fn script_builder(class:&str,name:&str,source:String)->rbx_dom_weak::InstanceBuilder{
+	let mut builder=rbx_dom_weak::InstanceBuilder::new(class);
+	builder.set_name(name);
+	builder.add_property("Source",rbx_dom_weak::types::Variant::String(source));
+	builder
+}
+
+enum TooComplicated<T>{
+	Stop,
+	Value(T),
+	Skip,
+}
+
+pub struct CompileConfig{
+	pub input_folder:PathBuf,
+	pub style:Option<Style>,
+}
+
+#[derive(Debug)]
+pub enum CompileError{
+	NullChildRef,
+	IO(std::io::Error),
+	CompileNode(CompileNodeError),
+	DecodeError(rbx_xml::DecodeError),
+	JoinError(tokio::task::JoinError),
+}
+impl std::fmt::Display for CompileError{
+	fn fmt(&self,f:&mut std::fmt::Formatter<'_>)->std::fmt::Result{
+		write!(f,"{self:?}")
+	}
+}
+impl std::error::Error for CompileError{}
+
+pub async fn compile(config:CompileConfig,mut dom:&mut rbx_dom_weak::WeakDom)->Result<(),CompileError>{
+	//hack to traverse root folder as the root object
+	dom.root_mut().name="src".to_owned();
+	//add in scripts and models
+	let mut folder=config.input_folder.clone();
+	let mut stack:Vec<CompileStackInstruction>=vec![CompileStackInstruction::TraverseReferent(dom.root_ref(),None)];
+	while let Some(instruction)=stack.pop(){
+		match instruction{
+			CompileStackInstruction::TraverseReferent(item_ref,blacklist)=>{
+				//scope to avoid holding item ref
+				{
+					let item=dom.get_by_ref(item_ref).ok_or(CompileError::NullChildRef)?;
+					let folder_name=sanitize(item.name.as_str());
+					folder.push(folder_name.as_ref());
+					//drop item
+				}
+				stack.push(CompileStackInstruction::PopFolder);
+				//check if a folder exists with item.name
+				if let Ok(dir)=tokio::fs::read_dir(folder.as_path()).await{
+					let mut exist_names:std::collections::HashSet<String>={
+						let item=dom.get_by_ref(item_ref).ok_or(CompileError::NullChildRef)?;
+						//push existing dom children objects onto stack (unrelated to exist_names)
+						stack.extend(item.children().into_iter().map(|&referent|CompileStackInstruction::TraverseReferent(referent,None)));
+						//get names of existing objects
+						item.children().into_iter().map(|&child_ref|{
+							let child=dom.get_by_ref(child_ref).ok_or(CompileError::NullChildRef)?;
+							Ok::<_,CompileError>(sanitize(child.name.as_str()).to_string())
+						}).collect::<Result<_,CompileError>>()?
+					};
+					if let Some(dont)=blacklist{
+						exist_names.insert(dont);
+					}
+					//generate children from folder contents UNLESS! item already has a child of the same name
+
+					let style=config.style;
+					let exist_names=&exist_names;
+					futures::stream::unfold(dir,|mut dir1|async{
+						//thread the needle! follow the path that dir takes!
+						let ret1={
+							//capture a scoped mutable reference so we can forward dir to the next call even on an error
+							let dir2=&mut dir1;
+							(||async move{//error catcher so I can use ?
+								let ret2=if let Some(entry)=dir2.next_entry().await?{
+									//cull early even if supporting things with identical names is possible
+									if exist_names.contains(entry.file_name().to_str().unwrap()){
+										TooComplicated::Skip
+									}else{
+										TooComplicated::Value(entry)
+									}
+								}else{
+									TooComplicated::Stop
+								};
+								Ok(ret2)
+							})().await
+						};
+						match ret1{
+							Ok(TooComplicated::Stop)=>None,
+							Ok(TooComplicated::Skip)=>Some((Ok(None),dir1)),
+							Ok(TooComplicated::Value(v))=>Some((Ok(Some(v)),dir1)),
+							Err(e)=>Some((Err(CompileError::IO(e)),dir1)),
+						}
+					})
+
+					//gotta spawn off the worker threads (Model is slow)
+					.then(|bog|async{
+						match bog{
+							Ok(Some(entry))=>tokio::spawn(async move{
+								let met=entry.metadata().await.map_err(CompileError::IO)?;
+								//discern that bad boy
+								let compile_class=match met.is_dir(){
+									true=>CompileNode::from_folder(&entry,style).await,
+									false=>CompileNode::from_file(&entry,style).await,
+								}.map_err(CompileError::CompileNode)?;
+								//prepare data structure
+								Ok(Some((compile_class.blacklist,match compile_class.class{
+									CompileClass::Folder=>PreparedData::Builder(rbx_dom_weak::InstanceBuilder::new("Folder").with_name(compile_class.name.as_str())),
+									CompileClass::Script(source)=>PreparedData::Builder(script_builder("Script",compile_class.name.as_str(),source)),
+									CompileClass::LocalScript(source)=>PreparedData::Builder(script_builder("LocalScript",compile_class.name.as_str(),source)),
+									CompileClass::ModuleScript(source)=>PreparedData::Builder(script_builder("ModuleScript",compile_class.name.as_str(),source)),
+									CompileClass::Model(buf)=>PreparedData::Model(rbx_xml::from_reader_default(std::io::Cursor::new(buf)).map_err(CompileError::DecodeError)?),
+								})))
+							}).await.map_err(CompileError::JoinError)?,
+							Ok(None)=>Ok(None),
+							Err(e)=>Err(e),
+						}
+					})
+
+					//is this even what I want?
+					.map(|f|async{f}).buffer_unordered(32)
+
+					//begin processing immediately
+					//TODO: fix dom being &mut &mut inside the closure
+					.try_fold((&mut stack,&mut dom),|(stack,dom),bog|async{
+						//push child objects onto dom serially as they arrive
+						match bog{
+							Some((blacklist,data))=>{
+								let referent=match data{
+									PreparedData::Model(mut model_dom)=>{
+										let referent=model_dom.root().children()[0];
+										model_dom.transfer(referent,dom,item_ref);
+										referent
+									},
+									PreparedData::Builder(script)=>dom.insert(item_ref,script),
+								};
+								//new children need to be traversed
+								stack.push(CompileStackInstruction::TraverseReferent(referent,blacklist));
+							},
+							None=>(),
+						}
+						Ok((stack,dom))
+					}).await?;
+				}
+			},
+			CompileStackInstruction::PopFolder=>assert!(folder.pop(),"pop folder bad"),
+		}
+	}
+	unreachable!();
+}

rox_compiler/src/decompile.rs

@@ -0,0 +1,323 @@
+use std::path::PathBuf;
+use rbx_dom_weak::types::Ref;
+use crate::common::{sanitize,Style,PropertiesOverride};
+
+#[derive(PartialEq)]
+enum Class{
+	Folder,
+	ModuleScript,
+	LocalScript,
+	Script,
+	Model,
+}
+
+struct TreeNode{
+	name:String,
+	referent:Ref,
+	parent:Ref,
+	class:Class,
+	children:Vec<Ref>,
+}
+impl TreeNode{
+	fn new(name:String,referent:Ref,parent:Ref,class:Class)->Self{
+		Self{
+			name,
+			referent,
+			parent,
+			class,
+			children:Vec::new(),
+		}
+	}
+}
+
+enum TrimStackInstruction{
+	Referent(Ref),
+	IncrementScript,
+	DecrementScript,
+}
+
+enum WriteStackInstruction<'a>{
+	Node(&'a TreeNode,u32),//(Node,NameTally)
+	PushFolder(String),
+	PopFolder,
+	Destroy(Ref),
+}
+
+#[derive(Debug)]
+pub enum WriteError{
+	ClassNotScript(String),
+	IO(std::io::Error),
+	EncodeError(rbx_xml::EncodeError),
+}
+impl std::fmt::Display for WriteError{
+	fn fmt(&self,f:&mut std::fmt::Formatter<'_>)->std::fmt::Result{
+		write!(f,"{self:?}")
+	}
+}
+impl std::error::Error for WriteError{}
+
+fn write_item(dom:&rbx_dom_weak::WeakDom,mut file:PathBuf,node:&TreeNode,node_name_override:String,mut properties:PropertiesOverride,style:Style,write_models:bool,write_scripts:bool)->Result<(),WriteError>{
+	file.push(sanitize(node_name_override.as_str()).as_ref());
+	match node.class{
+		Class::Folder=>(),
+		Class::ModuleScript|Class::LocalScript|Class::Script=>{
+			if !write_scripts{
+				return Ok(())
+			}
+
+			//set extension
+			match style{
+				Style::Rox=>assert!(file.set_extension("lua"),"could not set extension"),
+				Style::RoxRojo|Style::Rojo=>{
+					match properties.class.as_deref(){
+						Some("LocalScript")=>{
+							file.set_extension("client.lua");
+							properties.class=None;
+						},
+						Some("Script")=>{
+							file.set_extension("server.lua");
+							properties.class=None;
+						},
+						// Some("ModuleScript")=>{
+						// 	file.set_extension("module");
+						// 	properties.class=None;
+						// },
+						None=>assert!(file.set_extension("lua"),"could not set extension"),
+						Some(other)=>Err(WriteError::ClassNotScript(other.to_owned()))?,
+					}
+				}
+			}
+
+			if let Some(item)=dom.get_by_ref(node.referent){
+				//TODO: delete disabled scripts
+				if let Some(rbx_dom_weak::types::Variant::String(source))=item.properties.get("Source"){
+					if properties.is_some(){
+						//rox style
+						let source=properties.to_string()+source.as_str();
+						std::fs::write(file,source).map_err(WriteError::IO)?;
+					}else{
+						std::fs::write(file,source).map_err(WriteError::IO)?;
+					}
+				}
+			}
+		},
+		Class::Model=>{
+			if !write_models{
+				return Ok(())
+			}
+			assert!(file.set_extension("rbxmx"));
+			let output=std::io::BufWriter::new(std::fs::File::create(file).map_err(WriteError::IO)?);
+			rbx_xml::to_writer_default(output,dom,&[node.referent]).map_err(WriteError::EncodeError)?;
+		},
+	}
+	Ok(())
+}
+
+pub struct WriteConfig{
+	pub style:Style,
+	pub output_folder:PathBuf,
+	pub write_template:bool,
+	pub write_models:bool,
+	pub write_scripts:bool,
+}
+
+pub struct DecompiledContext{
+	dom:rbx_dom_weak::WeakDom,
+	tree_refs:std::collections::HashMap<rbx_dom_weak::types::Ref,TreeNode>,
+}
+
+impl DecompiledContext{
+	/// Will panic on circular tree structure but otherwise infallible
+	pub fn from_dom(dom:rbx_dom_weak::WeakDom)->Self{
+		let mut tree_refs=std::collections::HashMap::new();
+		tree_refs.insert(dom.root_ref(),TreeNode::new(
+			"src".to_owned(),
+			dom.root_ref(),
+			Ref::none(),
+			Class::Folder
+		));
+
+		//run rules
+		let mut stack=vec![dom.root()];
+		while let Some(item)=stack.pop(){
+			let class=match item.class.as_str(){
+				"ModuleScript"=>Class::ModuleScript,
+				"LocalScript"=>Class::LocalScript,
+				"Script"=>Class::Script,
+				"Model"=>Class::Model,
+				_=>Class::Folder,
+			};
+			let skip=match class{
+				Class::Model=>true,
+				_=>false,
+			};
+			if let Some(parent_node)=tree_refs.get_mut(&item.parent()){
+				let referent=item.referent();
+				let node=TreeNode::new(item.name.clone(),referent,parent_node.referent,class);
+				parent_node.children.push(referent);
+				tree_refs.insert(referent,node);
+			}
+			//look no further, turn this node and all its children into a model
+			if skip{
+				continue;
+			}
+			for &referent in item.children(){
+				if let Some(c)=dom.get_by_ref(referent){
+					stack.push(c);
+				}
+			}
+		}
+
+		//trim empty folders
+		let mut script_count=0;
+		let mut stack:Vec<TrimStackInstruction>=tree_refs.get(&dom.root_ref()).unwrap().children
+		.iter().map(|&c|TrimStackInstruction::Referent(c)).collect();
+		while let Some(instruction)=stack.pop(){
+			match instruction{
+				TrimStackInstruction::IncrementScript=>script_count+=1,
+				TrimStackInstruction::DecrementScript=>script_count-=1,
+				TrimStackInstruction::Referent(referent)=>{
+					let mut delete=None;
+					if let Some(node)=tree_refs.get_mut(&referent){
+						if node.class==Class::Folder&&script_count!=0{
+							node.class=Class::Model
+						}
+						if node.class==Class::Folder&&node.children.len()==0{
+							delete=Some(node.parent);
+						}else{
+							//how the hell do I do this better without recursion
+							let is_script=match node.class{
+								Class::ModuleScript|Class::LocalScript|Class::Script=>true,
+								_=>false,
+							};
+							//stack is popped from back
+							if is_script{
+								stack.push(TrimStackInstruction::DecrementScript);
+							}
+							for &child_referent in &node.children{
+								stack.push(TrimStackInstruction::Referent(child_referent));
+							}
+							if is_script{
+								stack.push(TrimStackInstruction::IncrementScript);
+							}
+						}
+					}
+					//trim referent
+					if let Some(parent_ref)=delete{
+						let parent_node=tree_refs.get_mut(&parent_ref)
+						.expect("parent_ref does not exist in tree_refs");
+						parent_node.children.remove(
+							parent_node.children.iter()
+							.position(|&r|r==referent)
+							.expect("parent.children does not contain referent")
+						);
+						tree_refs.remove(&referent);
+					}
+				},
+			}
+		}
+
+		Self{
+			dom,
+			tree_refs,
+		}
+	}
+	pub async fn write_files(mut self,config:WriteConfig)->Result<(),WriteError>{
+		let mut write_queue=Vec::new();
+		let mut destroy_queue=Vec::new();
+
+		let mut name_tally=std::collections::HashMap::<String,u32>::new();
+		let mut folder=config.output_folder.clone();
+		let mut stack=vec![WriteStackInstruction::Node(self.tree_refs.get(&self.dom.root_ref()).unwrap(),0)];
+		while let Some(instruction)=stack.pop(){
+			match instruction{
+				WriteStackInstruction::PushFolder(component)=>folder.push(component),
+				WriteStackInstruction::PopFolder=>assert!(folder.pop(),"weirdness"),
+				WriteStackInstruction::Destroy(referent)=>destroy_queue.push(referent),
+				WriteStackInstruction::Node(node,name_count)=>{
+					//track properties that must be overriden to compile folder structure back into a place file
+					let mut properties=PropertiesOverride::default();
+					let has_children=node.children.len()!=0;
+					match node.class{
+						Class::Folder=>(),
+						Class::ModuleScript=>(),//.lua files are ModuleScript by default
+						Class::LocalScript=>properties.class=Some("LocalScript".to_owned()),
+						Class::Script=>properties.class=Some("Script".to_owned()),
+						Class::Model=>(),
+					}
+					let name_override=if 0<name_count{
+						properties.name=Some(node.name.clone());
+						format!("{}_{}",node.name,name_count)
+					}else{
+						node.name.clone()
+					};
+
+					if has_children{
+						//push temp subfolder
+						let mut subfolder=folder.clone();
+						subfolder.push(sanitize(name_override.as_str()).as_ref());
+						//make folder
+						tokio::fs::create_dir(subfolder.clone()).await.map_err(WriteError::IO)?;
+
+						let name_final=match config.style{
+							Style::Rox
+							|Style::RoxRojo=>name_override.clone(),
+							Style::Rojo=>"init".to_owned(),
+						};
+
+						//write item in subfolder
+						write_queue.push((subfolder,node,name_final,properties,config.style));
+					}else{
+						//write item
+						write_queue.push((folder.clone(),node,name_override.clone(),properties,config.style));
+					}
+					//queue item to be deleted from dom after child objects are handled (stack is popped from the back)
+					match node.class{
+						Class::Folder=>(),
+						_=>stack.push(WriteStackInstruction::Destroy(node.referent)),
+					}
+					if has_children{
+						stack.push(WriteStackInstruction::PopFolder);
+						name_tally.clear();
+						for referent in &node.children{
+							if let Some(c)=self.tree_refs.get(referent){
+								let v=name_tally.entry(c.name.clone()).and_modify(|v|*v+=1).or_default();
+								stack.push(WriteStackInstruction::Node(c,*v));
+							}
+						}
+						stack.push(WriteStackInstruction::PushFolder(sanitize(name_override.as_str()).to_string()));
+					}
+				},
+			}
+		}
+
+		//run the async
+		{
+			let dom=&self.dom;
+			let write_models=config.write_models;
+			let write_scripts=config.write_scripts;
+			let results:Vec<Result<(),WriteError>>=rayon::iter::ParallelIterator::collect(rayon::iter::ParallelIterator::map(rayon::iter::IntoParallelIterator::into_par_iter(write_queue),|(write_path,node,node_name_override,properties,style)|{
+				write_item(&dom,write_path,node,node_name_override,properties,style,write_models,write_scripts)
+			}));
+			for result in results{
+				result?;
+			}
+		}
+
+		//run the destroy
+		for destroy_ref in destroy_queue{
+			self.dom.destroy(destroy_ref);
+		}
+
+		//write what remains in template.rbxlx
+		if config.write_template{
+			let mut file=config.output_folder.clone();
+			file.push("template");
+			assert!(file.set_extension("rbxlx"));
+			let output=std::io::BufWriter::new(std::fs::File::create(file).map_err(WriteError::IO)?);
+			rbx_xml::to_writer_default(output,&self.dom,self.dom.root().children()).map_err(WriteError::EncodeError)?;
+		}
+
+		Ok(())
+	}
+}

rox_compiler/src/lib.rs

@@ -0,0 +1,9 @@
+mod common;
+mod compile;
+mod decompile;
+//export minimal interface
+pub use common::Style;
+pub use compile::CompileConfig;
+pub use compile::compile;//cringe unstandardized interface
+pub use decompile::WriteConfig;
+pub use decompile::DecompiledContext;