resource query instead of hold all

src/map.rs

@@ -60,15 +60,6 @@ for model_id in 0..num_models{
 
 
 //error hiding mock code
-mod physics{
-	pub struct StyleModifiers{}
-}
-mod model{
-	pub struct IndexedModel{}
-	#[super::binrw]
-	#[brw(little)]
-	pub struct ModelInstance{}
-}
 mod image{
 	pub struct Image{}
 }
@@ -96,9 +87,6 @@ pub struct StreamableMap<R:BinReaderExt>{
 	modes:gameplay_modes::Modes,
 	bvh:BvhNode,
 	node_id_to_block_id:Vec<crate::file::BlockId>,
-	//do not need this?  return only new data with load_node
-	resource_model:std::collections::HashMap<ModelUuid,model::IndexedModel>,
-	resource_image:std::collections::HashMap<ImageUuid,image::Image>,
 }
 impl<R:BinReaderExt> StreamableMap<R>{
 	pub(crate) fn new(file:crate::file::File<R>)->Result<Self,Error>{
@@ -114,4 +102,7 @@ impl<R:BinReaderExt> StreamableMap<R>{
 		let region:Region=block.read_le().map_err(|e|Error::InvalidRegion(e))?;
 		Ok(region.models)
 	}
+	pub fn load_resource(&mut self,resource_id:ResourceId)->Resource{
+		//
+	}
 }