diff --git a/src/model_physics.rs b/src/model_physics.rs
index 2002113..3c15c73 100644
--- a/src/model_physics.rs
+++ b/src/model_physics.rs
@@ -110,7 +110,7 @@ pub struct PhysicsMeshTopology{
 	edge_topology:Vec<EdgeRefs>,
 	vert_topology:Vec<VertRefs>,
 }
-#[derive(Hash,id::Id,Eq,PartialEq)]
+#[derive(Clone,Copy,Hash,id::Id,Eq,PartialEq)]
 pub struct PhysicsMeshId(u32);
 impl Into<MeshId> for PhysicsMeshId{
 	fn into(self)->MeshId{
@@ -395,11 +395,6 @@ pub struct PhysicsMeshView<'a>{
 	data:&'a PhysicsMeshData,
 	topology:&'a PhysicsMeshTopology,
 }
-impl PhysicsMeshView<'_>{
-	pub fn verts<'a>(&'a self)->impl Iterator<Item=Planar64Vec3>+'a{
-		self.data.verts.iter().map(|&Vert(pos)|pos)
-	}
-}
 impl MeshQuery<SubmeshFaceId,SubmeshDirectedEdgeId,SubmeshVertId> for PhysicsMeshView<'_>{
 	fn face_nd(&self,face_id:SubmeshFaceId)->(Planar64Vec3,Planar64){
 		let face_idx=self.topology.faces[face_id.get() as usize].get() as usize;
@@ -456,6 +451,9 @@ impl TransformedMesh<'_>{
 			transform,
 		}
 	}
+	pub fn verts<'a>(&'a self)->impl Iterator<Item=Planar64Vec3>+'a{
+		self.view.data.verts.iter().map(|&Vert(pos)|self.transform.vertex.transform_point3(pos))
+	}
 	fn farthest_vert(&self,dir:Planar64Vec3)->SubmeshVertId{
 		let mut best_dot=Planar64::MIN;
 		let mut best_vert=SubmeshVertId(0);
diff --git a/src/physics.rs b/src/physics.rs
index f448a0f..d6f65fd 100644
--- a/src/physics.rs
+++ b/src/physics.rs
@@ -6,7 +6,7 @@ use strafesnet_common::map;
 use strafesnet_common::aabb;
 use strafesnet_common::gameplay_modes::{self,StageId};
 use strafesnet_common::gameplay_attributes::{self,CollisionAttributesId};
-use strafesnet_common::model::ModelId;
+use strafesnet_common::model::{MeshId,ModelId};
 use strafesnet_common::gameplay_style::{self,StyleModifiers};
 use strafesnet_common::instruction::{self,InstructionEmitter,InstructionConsumer,TimedInstruction};
 use strafesnet_common::integer::{self,Time,Planar64,Planar64Vec3,Planar64Mat3,Angle32,Ratio64Vec2};
@@ -324,13 +324,15 @@ impl HitboxMesh{
 	fn new(mesh:PhysicsMesh,transform:integer::Planar64Affine3)->Self{
 		//calculate extents
 		let mut aabb=aabb::Aabb::default();
-		for vert in mesh.complete_mesh_view().verts(){
-			aabb.grow(transform.transform_point3(vert));
+		let transform=PhysicsMeshTransform::new(transform);
+		let transformed_mesh=TransformedMesh::new(mesh.complete_mesh_view(),&transform);
+		for vert in transformed_mesh.verts(){
+			aabb.grow(vert);
 		}
 		Self{
 			halfsize:aabb.size()/2,
 			mesh,
-			transform:PhysicsMeshTransform::new(transform)
+			transform,
 		}
 	}
 	#[inline]
@@ -508,7 +510,7 @@ impl TryFrom<&gameplay_attributes::CollisionAttributes> for PhysicsCollisionAttr
 		}
 	}
 }
-#[derive(Hash,id::Id,Eq,PartialEq)]
+#[derive(Clone,Copy,Hash,id::Id,Eq,PartialEq)]
 struct PhysicsAttributesId(u32);
 impl Into<CollisionAttributesId> for PhysicsAttributesId{
 	fn into(self)->CollisionAttributesId{
@@ -988,25 +990,53 @@ impl PhysicsContext{
 
 	pub fn generate_models(&mut self,map:&map::CompleteMap){
 		self.data.modes=map.modes.clone();
-		self.data.models.attributes=map.attributes
-		.iter().enumerate().filter_map(|(attr_id,m_attr)|
-			PhysicsCollisionAttributes::try_from(m_attr).ok().map(|p_attr|
-				(PhysicsAttributesId::new(attr_id as u32),p_attr)
-			)
-		).collect();
-		self.data.models.meshes=map.meshes.iter().enumerate().map(|(mesh_id,mesh)|
-			(PhysicsMeshId::new(mesh_id as u32),PhysicsMesh::from(mesh))
-		).collect();
-		self.data.models.models=map.models.iter().enumerate().map(|(model_id,model)|
-			(PhysicsModelId::new(model_id as u32),PhysicsModel::new(model.mesh.into(),model.attributes.into(),PhysicsMeshTransform::new(model.transform)))
-		).collect();
+		//TODO redo this with models first and only add used atributes and meshes
+		let mut used_attributes=Vec::new();
+		let mut physics_attr_id_from_model_attr_id=HashMap::<CollisionAttributesId,PhysicsAttributesId>::new();
+		let mut used_meshes=Vec::new();
+		let mut physics_mesh_id_from_model_mesh_id=HashMap::<MeshId,PhysicsMeshId>::new();
+		self.data.models.models=map.models.iter().enumerate().filter_map(|(model_id,model)|{
+			let attr_id=if let Some(&attr_id)=physics_attr_id_from_model_attr_id.get(&model.attributes){
+				attr_id
+			}else{
+				//check if it's real
+				match map.attributes.get(model.attributes.get() as usize).and_then(|m_attr|{
+					PhysicsCollisionAttributes::try_from(m_attr).map_or(None,|p_attr|{
+						let attr_id=PhysicsAttributesId::new(used_attributes.len() as u32);
+						used_attributes.push(p_attr);
+						physics_attr_id_from_model_attr_id.insert(model.attributes,attr_id);
+						Some(attr_id)
+					})
+				}){
+					Some(attr_id)=>attr_id,
+					None=>return None,
+				}
+			};
+			let mesh_id=if let Some(&mesh_id)=physics_mesh_id_from_model_mesh_id.get(&model.mesh){
+				mesh_id
+			}else{
+				match map.meshes.get(model.mesh.get() as usize).and_then(|mesh|{
+					let mesh_id=PhysicsMeshId::new(used_meshes.len() as u32);
+					used_meshes.push(PhysicsMesh::from(mesh));
+					physics_mesh_id_from_model_mesh_id.insert(model.mesh,mesh_id);
+					Some(mesh_id)
+				}){
+					Some(mesh_id)=>mesh_id,
+					None=>return None,
+				}
+			};
+			Some((PhysicsModelId::new(model_id as u32),PhysicsModel::new(mesh_id,attr_id,PhysicsMeshTransform::new(model.transform))))
+		}).collect();
+		self.data.models.attributes=used_attributes.into_iter().enumerate().map(|(attr_id,attr)|(PhysicsAttributesId::new(attr_id as u32),attr)).collect();
+		self.data.models.meshes=used_meshes.into_iter().enumerate().map(|(mesh_id,mesh)|(PhysicsMeshId::new(mesh_id as u32),mesh)).collect();
 		let convex_mesh_aabb_list=self.data.models.models.iter()
 		.flat_map(|(&model_id,model)|{
 			self.data.models.meshes[&model.mesh_id].submesh_views()
 			.enumerate().map(move|(submesh_id,view)|{
 				let mut aabb=aabb::Aabb::default();
-				for v in view.verts(){
-					aabb.grow(v)
+				let transformed_mesh=TransformedMesh::new(view,&model.transform);
+				for v in transformed_mesh.verts(){
+					aabb.grow(v);
 				}
 				(ConvexMeshId{
 					model_id,