diff --git a/src/load_roblox.rs b/src/load_roblox.rs
index afa30c6..bb10df4 100644
--- a/src/load_roblox.rs
+++ b/src/load_roblox.rs
@@ -217,9 +217,30 @@ pub fn generate_indexed_models(dom:rbx_dom_weak::WeakDom) -> crate::model::Index
 				* glam::Affine3A::from_scale(
 					glam::Vec3::new(size.x,size.y,size.z)/2.0
 				);
-				if object.name=="MapStart"{
-					spawn_point=model_transform.transform_point3(-glam::Vec3::Y)+glam::vec3(0.0,2.5+0.1,0.0);
-					println!("Found MapStart{:?}",spawn_point);
+
+				//push TempIndexedAttributes
+				let mut temp_indexing_attributes=Vec::new();
+				if let Some(attr)=match &object.name[..]{
+					"MapStart"=>{
+						spawn_point=model_transform.transform_point3(glam::Vec3::ZERO)+glam::vec3(0.0,2.5,0.0);
+						Some(crate::model::TempIndexedAttributes::Start{mode_id:0})
+					},
+					"UnorderedCheckpoint"=>Some(crate::model::TempIndexedAttributes::UnorderedCheckpoint{mode_id:0}),
+					other=>{
+						let regman=lazy_regex::regex!(r"^(BonusStart|Spawn|OrderedCheckpoint)(\d+)$");
+						if let Some(captures) = regman.captures(other) {
+							match &captures[1]{
+								"BonusStart"=>Some(crate::model::TempIndexedAttributes::Start{mode_id:captures[2].parse::<u32>().unwrap()}),
+								"Spawn"=>Some(crate::model::TempIndexedAttributes::Spawn{mode_id:0,stage_id:captures[2].parse::<u32>().unwrap()}),
+								"OrderedCheckpoint"=>Some(crate::model::TempIndexedAttributes::OrderedCheckpoint{mode_id:0,checkpoint_id:captures[2].parse::<u32>().unwrap()}),
+								_=>None,
+							}
+						}else{
+							None
+						}
+					}
+				}{
+					temp_indexing_attributes.push(attr);
 				}
 
 				//TODO: also detect "CylinderMesh" etc here
@@ -420,6 +441,7 @@ pub fn generate_indexed_models(dom:rbx_dom_weak::WeakDom) -> crate::model::Index
 					transform:model_transform,
 					color:glam::vec4(color3.r as f32/255f32, color3.g as f32/255f32, color3.b as f32/255f32, 1.0-*transparency),
 					attributes:get_attributes(&object.name,*can_collide,glam::vec3(velocity.x,velocity.y,velocity.z)),
+					temp_indexing:temp_indexing_attributes,
 				});
 			}
 		}
diff --git a/src/main.rs b/src/main.rs
index 4a219e6..8e14f2a 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -95,14 +95,68 @@ impl GlobalState{
 	}
 
 	fn generate_model_physics(&mut self,indexed_models:&model::IndexedModelInstances){
+		let mut starts=Vec::new();
+		let mut spawns=Vec::new();
+		let mut ordered_checkpoints=Vec::new();
+		let mut unordered_checkpoints=Vec::new();
 		for model in &indexed_models.models{
 			//make aabb and run vertices to get realistic bounds
 			for model_instance in &model.instances{
 				if let Some(model_physics)=body::ModelPhysics::from_model(model,model_instance){
+					let model_id=self.physics.models.len() as u32;
+					//snoop it before it gets stolen
+					for attr in model_instance.temp_indexing.iter(){
+						match attr{
+							model::TempIndexedAttributes::Start{mode_id}=>starts.push((*mode_id,model_id)),
+							model::TempIndexedAttributes::Spawn{mode_id,stage_id}=>spawns.push((*mode_id,model_id,*stage_id)),
+							model::TempIndexedAttributes::OrderedCheckpoint{mode_id,checkpoint_id}=>ordered_checkpoints.push((*mode_id,model_id,*checkpoint_id)),
+							model::TempIndexedAttributes::UnorderedCheckpoint{mode_id}=>unordered_checkpoints.push((*mode_id,model_id)),
+						}
+					}
+					//steal it
 					self.physics.models.push(model_physics);
 				}
 			}
 		}
+		//I don't wanna write structs for temporary structures
+		//this code builds ModeDescriptions from the unsorted lists at the top of the function
+		starts.sort_by_key(|tup|tup.0);
+		let mut eshmep=std::collections::HashMap::new();
+		let mut modedatas:Vec<(u32,Vec<(u32,u32)>,Vec<(u32,u32)>,Vec<u32>)>=starts.into_iter().enumerate().map(|(i,tup)|{
+			eshmep.insert(tup.0,i);
+			(tup.1,Vec::new(),Vec::new(),Vec::new())
+		}).collect();
+		for tup in spawns{
+			if let Some(mode_id)=eshmep.get(&tup.0){
+				if let Some(modedata)=modedatas.get_mut(*mode_id){
+					modedata.1.push((tup.2,tup.1));
+				}
+			}
+		}
+		for tup in ordered_checkpoints{
+			if let Some(mode_id)=eshmep.get(&tup.0){
+				if let Some(modedata)=modedatas.get_mut(*mode_id){
+					modedata.2.push((tup.2,tup.1));
+				}
+			}
+		}
+		for tup in unordered_checkpoints{
+			if let Some(mode_id)=eshmep.get(&tup.0){
+				if let Some(modedata)=modedatas.get_mut(*mode_id){
+					modedata.3.push(tup.1);
+				}
+			}
+		}
+		self.physics.modes.append(&mut modedatas.into_iter().map(|mut tup|{
+			tup.1.sort_by_key(|tup|tup.0);
+			tup.2.sort_by_key(|tup|tup.0);
+			model::ModeDescription{
+				start:tup.0,
+				spawns:tup.1.into_iter().map(|tup|tup.1).collect(),
+				ordered_checkpoints:tup.2.into_iter().map(|tup|tup.1).collect(),
+				unordered_checkpoints:tup.3,
+			}
+		}).collect());
 		println!("Physics Objects: {}",self.physics.models.len());
 	}
 	fn generate_model_graphics(&mut self,device:&wgpu::Device,queue:&wgpu::Queue,indexed_models:model::IndexedModelInstances){
diff --git a/src/model.rs b/src/model.rs
index 96df6ac..0386abf 100644
--- a/src/model.rs
+++ b/src/model.rs
@@ -60,6 +60,17 @@ pub struct ModelInstance{
 	pub transform:glam::Affine3A,
 	pub color:glam::Vec4,//transparency is in here
 	pub attributes:CollisionAttributes,
+	pub temp_indexing:Vec<TempIndexedAttributes>,
+}
+impl std::default::Default for ModelInstance{
+	fn default() -> Self {
+		Self{
+			color:glam::Vec4::ONE,
+			transform:Default::default(),
+			attributes:Default::default(),
+			temp_indexing:Default::default(),
+		}
+	}
 }
 pub struct IndexedModelInstances{
 	pub textures:Vec<String>,//RenderPattern
@@ -75,6 +86,22 @@ pub struct ModeDescription{
 	pub ordered_checkpoints:Vec<u32>,//ordered_checkpoints[checkpoint_id]=model_id
 	pub unordered_checkpoints:Vec<u32>,//unordered_checkpoints[checkpoint_id]=model_id
 }
+pub enum TempIndexedAttributes{
+	Start{
+		mode_id:u32,
+	},
+	Spawn{
+		mode_id:u32,
+		stage_id:u32,
+	},
+	OrderedCheckpoint{
+		mode_id:u32,
+		checkpoint_id:u32,
+	},
+	UnorderedCheckpoint{
+		mode_id:u32,
+	},
+}
 
 //you have this effect while in contact
 #[derive(Clone)]