diff --git a/Cargo.lock b/Cargo.lock
index db37065..0fb2922 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -807,6 +807,7 @@ dependencies = [
  "rbx_dom_weak 2.8.0",
  "rbx_reflection_database 0.2.11+roblox-634",
  "rbx_xml 0.13.4",
+ "strafesnet_bsp_loader",
  "strafesnet_deferred_loader",
  "strafesnet_rbx_loader",
  "strafesnet_snf",
@@ -1391,6 +1392,18 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
+[[package]]
+name = "strafesnet_bsp_loader"
+version = "0.1.3"
+source = "sparse+https://git.itzana.me/api/packages/strafesnet/cargo/"
+checksum = "6d4af68c422b5f57febbaa218f44ba02d413fd25e84afff9e45e557a8caee2ce"
+dependencies = [
+ "glam",
+ "strafesnet_common",
+ "vbsp",
+ "vmdl",
+]
+
 [[package]]
 name = "strafesnet_common"
 version = "0.2.0"
diff --git a/Cargo.toml b/Cargo.toml
index 892ea18..7c352bf 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,6 +16,7 @@ rbx_binary = "0.7.1"
 rbx_dom_weak = "2.5.0"
 rbx_reflection_database = "0.2.7"
 rbx_xml = "0.13.1"
+strafesnet_bsp_loader = { version = "0.1.3", registry = "strafesnet" }
 strafesnet_deferred_loader = { version = "0.3.1", features = ["legacy"], registry = "strafesnet" }
 strafesnet_rbx_loader = { version = "0.3.1", registry = "strafesnet" }
 strafesnet_snf = { version = "0.1.0", registry = "strafesnet" }
diff --git a/src/main.rs b/src/main.rs
index 371e783..1ca0180 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -14,6 +14,7 @@ struct Cli {
 #[derive(Subcommand)]
 enum Commands {
 	RobloxToSNF(RobloxToSNFSubcommand),
+	SourceToSNF(SourceToSNFSubcommand),
 	DownloadTextures(DownloadTexturesSubcommand),
 	ExtractTextures(ExtractTexturesSubcommand),
 	ConvertTextures(ConvertTexturesSubcommand),
@@ -31,6 +32,13 @@ struct RobloxToSNFSubcommand {
 	input_files:Vec<PathBuf>,
 }
 #[derive(Args)]
+struct SourceToSNFSubcommand {
+	#[arg(long)]
+	output_folder:PathBuf,
+	#[arg(required=true)]
+	input_files:Vec<PathBuf>,
+}
+#[derive(Args)]
 struct DownloadTexturesSubcommand {
 	#[arg(long,required=true)]
 	roblox_files:Vec<PathBuf>
@@ -67,7 +75,8 @@ struct WriteAttributesSubcommand {
 fn main() -> AResult<()> {
 	let cli = Cli::parse();
 	match cli.command {
-		Commands::RobloxToSNF(subcommand)=>convert_to_snf(subcommand.input_files,subcommand.output_folder),
+		Commands::RobloxToSNF(subcommand)=>roblox_to_snf(subcommand.input_files,subcommand.output_folder),
+		Commands::SourceToSNF(subcommand)=>source_to_snf(subcommand.input_files,subcommand.output_folder),
 		Commands::DownloadTextures(subcommand)=>download_textures(subcommand.roblox_files),
 		Commands::ExtractTextures(subcommand)=>extract_textures(vec![subcommand.bsp_file],subcommand.vpk_dir_files),
 		Commands::VPKContents(subcommand)=>vpk_contents(subcommand.input_file),
@@ -646,6 +655,7 @@ enum ConvertError{
 	IO(std::io::Error),
 	SNFMap(strafesnet_snf::map::Error),
 	RbxLoader(strafesnet_rbx_loader::ReadError),
+	BspLoader(strafesnet_bsp_loader::ReadError),
 }
 impl std::fmt::Display for ConvertError{
 	fn fmt(&self,f:&mut std::fmt::Formatter<'_>)->std::fmt::Result{
@@ -656,7 +666,7 @@ impl std::error::Error for ConvertError{}
 
 type MapThread=std::thread::JoinHandle<Result<(),ConvertError>>;
 
-fn convert_to_snf(pathlist:Vec<std::path::PathBuf>,output_folder:PathBuf)->AResult<()>{
+fn roblox_to_snf(pathlist:Vec<std::path::PathBuf>,output_folder:PathBuf)->AResult<()>{
 	let n_paths=pathlist.len();
 	let start = std::time::Instant::now();
 	let mut threads:std::collections::VecDeque<MapThread>=std::collections::VecDeque::new();
@@ -724,3 +734,78 @@ fn convert_to_snf(pathlist:Vec<std::path::PathBuf>,output_folder:PathBuf)->AResu
 	println!("{:?}", start.elapsed());
 	Ok(())
 }
+
+fn source_to_snf(pathlist:Vec<std::path::PathBuf>,output_folder:PathBuf)->AResult<()>{
+	let n_paths=pathlist.len();
+	let start = std::time::Instant::now();
+	let mut threads:std::collections::VecDeque<MapThread>=std::collections::VecDeque::new();
+	let mut i=0;
+	let mut join_thread=|thread:MapThread|{
+		i+=1;
+		if let Err(e)=thread.join(){
+			println!("thread error: {:?}",e);
+		}else{
+			println!("{}/{}",i,n_paths);
+		}
+	};
+	for path in pathlist{
+		if 32<=threads.len(){
+			join_thread(threads.pop_front().unwrap());
+		}
+		let output_folder=output_folder.clone();
+		threads.push_back(std::thread::spawn(move ||{
+			let bsp=strafesnet_bsp_loader::read(
+				std::fs::File::open(path.as_path())
+				.map_err(ConvertError::IO)?
+			).map_err(ConvertError::BspLoader)?;
+			let mut loader=strafesnet_deferred_loader::source_legacy();
+
+				let (texture_loader,mesh_loader)=loader.get_inner_mut();
+
+				let map_step1=strafesnet_bsp_loader::convert(
+					&bsp,
+					|name|texture_loader.acquire_render_config_id(name),
+					|name|mesh_loader.acquire_mesh_id(name),
+				);
+
+				let prop_meshes=mesh_loader.load_meshes(&bsp.as_ref());
+
+				let map_step2=map_step1.add_prop_meshes(
+					//the type conflagulator 9000
+					prop_meshes.into_iter().map(|(mesh_id,loader_model)|
+						(mesh_id,strafesnet_bsp_loader::data::ModelData{
+							mdl:strafesnet_bsp_loader::data::MdlData::new(loader_model.mdl.get()),
+							vtx:strafesnet_bsp_loader::data::VtxData::new(loader_model.vtx.get()),
+							vvd:strafesnet_bsp_loader::data::VvdData::new(loader_model.vvd.get()),
+						})
+					),
+					|name|texture_loader.acquire_render_config_id(name),
+				);
+
+				let (textures,render_configs)=loader.into_render_configs().map_err(ConvertError::IO)?.consume();
+
+				let map=map_step2.add_render_configs_and_textures(
+					render_configs.into_iter(),
+					textures.into_iter().map(|(texture_id,texture)|
+						(texture_id,match texture{
+							strafesnet_deferred_loader::texture::Texture::ImageDDS(data)=>data,
+						})
+					),
+				);
+
+			let mut dest=output_folder.clone();
+			dest.push(path.file_stem().unwrap());
+			dest.set_extension("snfm");
+			let file=std::fs::File::create(dest).map_err(ConvertError::IO)?;
+
+			strafesnet_snf::map::write_map(file,map).map_err(ConvertError::SNFMap)?;
+			Ok(())
+		}));
+	}
+
+	for thread in threads{
+		join_thread(thread);
+	}
+	println!("{:?}", start.elapsed());
+	Ok(())
+}