bsp_loader: case folding

lib/bsp_loader/src/lib.rs

@@ -45,6 +45,7 @@ impl From<loader::MeshError> for LoadError{
 }
 pub struct Bsp{
 	bsp:vbsp::Bsp,
+	case_folded_file_names:std::collections::HashMap<String,String>,
 }
 impl AsRef<vbsp::Bsp> for Bsp{
 	fn as_ref(&self)->&vbsp::Bsp{
@@ -62,11 +63,21 @@ pub fn read<R:std::io::Read>(mut input:R)->Result<Bsp,ReadError>{
 }
 impl Bsp{
 	pub fn new(bsp:vbsp::Bsp)->Self{
+		let case_folded_file_names=bsp.pack.clone().into_zip().lock().unwrap().file_names().map(|s|{
+			(s.to_lowercase(),s.to_owned())
+		}).collect();
 		Self{
 			bsp,
+			case_folded_file_names,
 		}
 	}
-	pub fn to_snf(&self,failure_mode:LoadFailureMode,vpk_list:&[vpk::VPK])->Result<strafesnet_common::map::CompleteMap,LoadError>{
+	pub fn pack_get(&self,name_lowercase:&str)->Result<Option<Vec<u8>>,vbsp::BspError>{
+		match self.case_folded_file_names.get(name_lowercase){
+			Some(name_folded)=>self.bsp.pack.get(name_folded),
+			None=>Ok(None),
+		}
+	}
+	pub fn to_snf(&self,failure_mode:LoadFailureMode,vpk_list:&[Vpk])->Result<strafesnet_common::map::CompleteMap,LoadError>{
 		let mut texture_deferred_loader=RenderConfigDeferredLoader::new();
 		let mut mesh_deferred_loader=MeshDeferredLoader::new();
 
@@ -89,3 +100,27 @@ impl Bsp{
 		Ok(map)
 	}
 }
+pub struct Vpk{
+	vpk:vpk::VPK,
+	case_folded_file_names:std::collections::HashMap<String,String>,
+}
+impl AsRef<vpk::VPK> for Vpk{
+	fn as_ref(&self)->&vpk::VPK{
+		&self.vpk
+	}
+}
+impl Vpk{
+	pub fn new(vpk:vpk::VPK)->Vpk{
+		let case_folded_file_names=vpk.tree.keys().map(|s|{
+			(s.to_lowercase(),s.to_owned())
+		}).collect();
+		Vpk{
+			vpk,
+			case_folded_file_names,
+		}
+	}
+	pub fn tree_get(&self,name_lowercase:&str)->Option<&vpk::entry::VPKEntry>{
+		let name_folded=self.case_folded_file_names.get(name_lowercase)?;
+		self.vpk.tree.get(name_folded)
+	}
+}