unnecessary Arc Mutex just send it bud

this is not very make invalid states unrepresentable of you

Cargo.lock

@@ -1692,6 +1692,7 @@ dependencies = [
  "lazy-regex",
  "log",
  "obj",
+ "parking_lot",
  "pollster",
  "rbx_binary",
  "rbx_dom_weak",

Cargo.toml

@@ -14,6 +14,7 @@ glam = "0.24.1"
 lazy-regex = "3.0.2"
 log = "0.4.20"
 obj = "0.10.2"
+parking_lot = "0.12.1"
 pollster = "0.3.0"
 rbx_binary = "0.7.1"
 rbx_dom_weak = "2.5.0"

src/body.rs

@@ -34,7 +34,7 @@ pub enum InputInstruction {
 		//for interpolation / networking / playback reasons, most playback heads will always want
 		//to be 1 instruction ahead to generate the next state for interpolation.
 }
-
+#[derive(Clone,Debug)]
 pub struct Body {
 	position: glam::Vec3,//I64 where 2^32 = 1 u
 	velocity: glam::Vec3,//I64 where 2^32 = 1 u/s
@@ -45,20 +45,20 @@ trait MyHash{
 	fn hash(&self) -> u64;
 }
 impl MyHash for Body {
-    fn hash(&self) -> u64 {
+	fn hash(&self) -> u64 {
 		let mut hasher=std::collections::hash_map::DefaultHasher::new();
-        for &el in self.position.as_ref().iter() {
-            std::hash::Hasher::write(&mut hasher, el.to_ne_bytes().as_slice());
-        }
-        for &el in self.velocity.as_ref().iter() {
-            std::hash::Hasher::write(&mut hasher, el.to_ne_bytes().as_slice());
-        }
-        for &el in self.acceleration.as_ref().iter() {
-             std::hash::Hasher::write(&mut hasher, el.to_ne_bytes().as_slice());
-        }
-        std::hash::Hasher::write(&mut hasher, self.time.to_ne_bytes().as_slice());
+		for &el in self.position.as_ref().iter() {
+			std::hash::Hasher::write(&mut hasher, el.to_ne_bytes().as_slice());
+		}
+		for &el in self.velocity.as_ref().iter() {
+			std::hash::Hasher::write(&mut hasher, el.to_ne_bytes().as_slice());
+		}
+		for &el in self.acceleration.as_ref().iter() {
+			 std::hash::Hasher::write(&mut hasher, el.to_ne_bytes().as_slice());
+		}
+		std::hash::Hasher::write(&mut hasher, self.time.to_ne_bytes().as_slice());
 		return std::hash::Hasher::finish(&hasher);//hash check to see if walk target is valid
-    }
+	}
 }
 
 pub enum MoveRestriction {
@@ -80,9 +80,9 @@ impl InputState {
 }
 impl crate::instruction::InstructionEmitter<InputInstruction> for InputState{
 	fn next_instruction(&self, time_limit:crate::body::TIME) -> Option<TimedInstruction<InputInstruction>> {
-	    //this is polled by PhysicsState for actions like Jump
-	    //no, it has to be the other way around. physics is run up until the jump instruction, and then the jump instruction is pushed.
-	    self.queue.get(0)
+		//this is polled by PhysicsState for actions like Jump
+		//no, it has to be the other way around. physics is run up until the jump instruction, and then the jump instruction is pushed.
+		self.queue.get(0)
 	}
 }
 impl crate::instruction::InstructionConsumer<InputInstruction> for InputState{
@@ -171,12 +171,12 @@ pub struct Camera {
 
 #[inline]
 fn mat3_from_rotation_y_f64(angle: f64) -> glam::Mat3 {
-    let (sina, cosa) = angle.sin_cos();
-    glam::Mat3::from_cols(
-        glam::Vec3::new(cosa as f32, 0.0, -sina as f32),
-        glam::Vec3::Y,
-        glam::Vec3::new(sina as f32, 0.0, cosa as f32),
-    )
+	let (sina, cosa) = angle.sin_cos();
+	glam::Mat3::from_cols(
+		glam::Vec3::new(cosa as f32, 0.0, -sina as f32),
+		glam::Vec3::Y,
+		glam::Vec3::new(sina as f32, 0.0, cosa as f32),
+	)
 }
 #[inline]
 fn perspective_rh(fov_x_slope: f32, fov_y_slope: f32, z_near: f32, z_far: f32) -> glam::Mat4 {
@@ -192,11 +192,11 @@ fn perspective_rh(fov_x_slope: f32, fov_y_slope: f32, z_near: f32, z_far: f32) -
 impl Camera {
 	pub fn from_offset(offset:glam::Vec3,aspect:f32) -> Self {
 		Self{
-		    offset,
-		    angles: glam::DVec2::ZERO,
-		    fov: glam::vec2(aspect,1.0),
-		    sensitivity: glam::dvec2(1.0/6144.0,1.0/6144.0),
-    		time: 0,
+			offset,
+			angles: glam::DVec2::ZERO,
+			fov: glam::vec2(aspect,1.0),
+			sensitivity: glam::dvec2(1.0/16384.0,1.0/16384.0),
+			time: 0,
 		}
 	}
 	fn simulate_move_angles(&self, delta: glam::IVec2) -> glam::DVec2 {
@@ -220,65 +220,120 @@ impl Camera {
 	}
 }
 
-const CONTROL_MOVEFORWARD:u32 = 0b00000001;
-const CONTROL_MOVEBACK:u32 = 0b00000010;
-const CONTROL_MOVERIGHT:u32 = 0b00000100;
-const CONTROL_MOVELEFT:u32 = 0b00001000;
-const CONTROL_MOVEUP:u32 = 0b00010000;
-const CONTROL_MOVEDOWN:u32 = 0b00100000;
-const CONTROL_JUMP:u32 = 0b01000000;
-const CONTROL_ZOOM:u32 = 0b10000000;
-
-const FORWARD_DIR:glam::Vec3 = glam::Vec3::new(0.0,0.0,-1.0);
-const RIGHT_DIR:glam::Vec3 = glam::Vec3::new(1.0,0.0,0.0);
-const UP_DIR:glam::Vec3 = glam::Vec3::new(0.0,1.0,0.0);
-
-fn get_control_dir(controls: u32) -> glam::Vec3{
-	//don't get fancy just do it
-	let mut control_dir:glam::Vec3 = glam::Vec3::new(0.0,0.0,0.0);
-	if controls & CONTROL_MOVEFORWARD == CONTROL_MOVEFORWARD {
-		control_dir+=FORWARD_DIR;
+pub struct GameMechanicsState{
+	pub stage_id:u32,
+	//jump_counts:HashMap<u32,u32>,
+}
+impl std::default::Default for GameMechanicsState{
+	fn default() -> Self {
+		Self{
+			stage_id:0,
+		}
 	}
-	if controls & CONTROL_MOVEBACK == CONTROL_MOVEBACK {
-		control_dir+=-FORWARD_DIR;
-	}
-	if controls & CONTROL_MOVELEFT == CONTROL_MOVELEFT {
-		control_dir+=-RIGHT_DIR;
-	}
-	if controls & CONTROL_MOVERIGHT == CONTROL_MOVERIGHT {
-		control_dir+=RIGHT_DIR;
-	}
-	if controls & CONTROL_MOVEUP == CONTROL_MOVEUP {
-		control_dir+=UP_DIR;
-	}
-	if controls & CONTROL_MOVEDOWN == CONTROL_MOVEDOWN {
-		control_dir+=-UP_DIR;
-	}
-	return control_dir
 }
 
-pub struct PhysicsState {
-	pub body: Body,
-	pub hitbox_halfsize: glam::Vec3,
-	pub contacts: std::collections::HashSet::<RelativeCollision>,
+pub struct WorldState{}
+
+pub struct StyleModifiers{
+	pub controls_mask:u32,//controls which are unable to be activated
+	pub controls_held:u32,//controls which must be active to be able to strafe
+	pub mv:f32,
+	pub walkspeed:f32,
+	pub friction:f32,
+	pub walk_accel:f32,
+	pub gravity:glam::Vec3,
+	pub strafe_tick_num:TIME,
+	pub strafe_tick_den:TIME,
+	pub hitbox_halfsize:glam::Vec3,
+}
+impl std::default::Default for StyleModifiers{
+	fn default() -> Self {
+		Self{
+			controls_mask: !0,//&!(Self::CONTROL_MOVEUP|Self::CONTROL_MOVEDOWN),
+			controls_held: 0,
+			strafe_tick_num: 100,//100t
+			strafe_tick_den: 1_000_000_000,
+			gravity: glam::vec3(0.0,-100.0,0.0),
+			friction: 1.2,
+			walk_accel: 90.0,
+			mv: 2.7,
+			walkspeed: 18.0,
+			hitbox_halfsize: glam::vec3(1.0,2.5,1.0),
+		}
+	}
+}
+impl StyleModifiers{
+	const CONTROL_MOVEFORWARD:u32 = 0b00000001;
+	const CONTROL_MOVEBACK:u32 = 0b00000010;
+	const CONTROL_MOVERIGHT:u32 = 0b00000100;
+	const CONTROL_MOVELEFT:u32 = 0b00001000;
+	const CONTROL_MOVEUP:u32 = 0b00010000;
+	const CONTROL_MOVEDOWN:u32 = 0b00100000;
+	const CONTROL_JUMP:u32 = 0b01000000;
+	const CONTROL_ZOOM:u32 = 0b10000000;
+
+	const FORWARD_DIR:glam::Vec3 = glam::Vec3::NEG_Z;
+	const RIGHT_DIR:glam::Vec3 = glam::Vec3::X;
+	const UP_DIR:glam::Vec3 = glam::Vec3::Y;
+
+	fn get_control(&self,control:u32,controls:u32)->bool{
+		controls&self.controls_mask&control!=0
+	}
+
+	fn get_control_dir(&self,controls:u32)->glam::Vec3{
+		//don't get fancy just do it
+		let mut control_dir:glam::Vec3 = glam::Vec3::ZERO;
+		//Disallow strafing if held controls are not held
+		if controls&self.controls_held!=self.controls_held{
+			return control_dir;
+		}
+		//Apply mask after held check so you can require non-allowed keys to be held for some reason
+		let controls=controls&self.controls_mask;
+		if controls & Self::CONTROL_MOVEFORWARD == Self::CONTROL_MOVEFORWARD {
+			control_dir+=Self::FORWARD_DIR;
+		}
+		if controls & Self::CONTROL_MOVEBACK == Self::CONTROL_MOVEBACK {
+			control_dir+=-Self::FORWARD_DIR;
+		}
+		if controls & Self::CONTROL_MOVELEFT == Self::CONTROL_MOVELEFT {
+			control_dir+=-Self::RIGHT_DIR;
+		}
+		if controls & Self::CONTROL_MOVERIGHT == Self::CONTROL_MOVERIGHT {
+			control_dir+=Self::RIGHT_DIR;
+		}
+		if controls & Self::CONTROL_MOVEUP == Self::CONTROL_MOVEUP {
+			control_dir+=Self::UP_DIR;
+		}
+		if controls & Self::CONTROL_MOVEDOWN == Self::CONTROL_MOVEDOWN {
+			control_dir+=-Self::UP_DIR;
+		}
+		return control_dir
+	}
+}
+
+pub struct PhysicsState{
+	pub time:TIME,
+	pub body:Body,
+	pub world:WorldState,//currently there is only one state the world can be in
+	pub game:GameMechanicsState,
+	pub style:StyleModifiers,
+	pub contacts:std::collections::HashMap::<u32,RelativeCollision>,
+	pub intersects:std::collections::HashMap::<u32,RelativeCollision>,
 	//pub intersections: Vec<ModelId>,
-	pub models: Vec<ModelPhysics>,
 	//camera must exist in state because wormholes modify the camera, also camera punch
-	pub camera: Camera,
-	pub mouse_interpolation: MouseInterpolationState,
-	pub controls: u32,
-	pub time: TIME,
-	pub strafe_tick_num: TIME,
-	pub strafe_tick_den: TIME,
-	pub tick: u32,
-	pub mv: f32,
-	pub walk: WalkState,
-	pub walkspeed: f32,
-	pub friction: f32,
-	pub walk_accel:  f32,
-	pub gravity: glam::Vec3,
-	pub grounded: bool,
-	pub spawn_point: glam::Vec3,
+	pub camera:Camera,
+	pub mouse_interpolation:MouseInterpolationState,
+	pub controls:u32,
+	pub walk:WalkState,
+	pub grounded:bool,
+	//all models
+	pub models:Vec<ModelPhysics>,
+	
+	pub modes:Vec<crate::model::ModeDescription>,
+	pub mode_from_mode_id:std::collections::HashMap::<u32,usize>,
+	//the spawn point is where you spawn when you load into the map.
+	//This is not the same as Reset which teleports you to Spawn0
+	pub spawn_point:glam::Vec3,
 }
 
 #[derive(Debug,Clone,Copy,Hash,Eq,PartialEq)]
@@ -390,20 +445,42 @@ impl Aabb {
 type TreyMeshFace = AabbFace;
 type TreyMesh = Aabb;
 
+enum PhysicsCollisionAttributes{
+	Contact{//track whether you are contacting the object
+		contacting:crate::model::ContactingAttributes,
+		general:crate::model::GameMechanicAttributes,
+	},
+	Intersect{//track whether you are intersecting the object
+		intersecting:crate::model::IntersectingAttributes,
+		general:crate::model::GameMechanicAttributes,
+	},
+}
+
 pub struct ModelPhysics {
 	//A model is a thing that has a hitbox. can be represented by a list of TreyMesh-es
 	//in this iteration, all it needs is extents.
 	mesh: TreyMesh,
+	transform:glam::Affine3A,
+	attributes:PhysicsCollisionAttributes,
 }
 
 impl ModelPhysics {
-	pub fn from_model(model:&crate::model::IndexedModel,model_transform:glam::Affine3A) -> Self {
+	fn from_model_transform_attributes(model:&crate::model::IndexedModel,transform:&glam::Affine3A,attributes:PhysicsCollisionAttributes)->Self{
 		let mut aabb=Aabb::new();
 		for indexed_vertex in &model.unique_vertices {
-			aabb.grow(model_transform.transform_point3(glam::Vec3::from_array(model.unique_pos[indexed_vertex.pos as usize])));
+			aabb.grow(transform.transform_point3(glam::Vec3::from_array(model.unique_pos[indexed_vertex.pos as usize])));
 		}
 		Self{
 			mesh:aabb,
+			attributes,
+			transform:transform.clone(),
+		}
+	}
+	pub fn from_model(model:&crate::model::IndexedModel,instance:&crate::model::ModelInstance) -> Option<Self> {
+		match &instance.attributes{
+			crate::model::CollisionAttributes::Contact{contacting,general}=>Some(ModelPhysics::from_model_transform_attributes(model,&instance.transform,PhysicsCollisionAttributes::Contact{contacting:contacting.clone(),general:general.clone()})),
+			crate::model::CollisionAttributes::Intersect{intersecting,general}=>Some(ModelPhysics::from_model_transform_attributes(model,&instance.transform,PhysicsCollisionAttributes::Intersect{intersecting:intersecting.clone(),general:general.clone()})),
+			crate::model::CollisionAttributes::Decoration=>None,
 		}
 	}
 	pub fn unit_vertices(&self) -> [glam::Vec3;8] {
@@ -442,11 +519,14 @@ pub struct RelativeCollision {
 }
 
 impl RelativeCollision {
+	pub fn model<'a>(&self,models:&'a Vec<ModelPhysics>)->Option<&'a ModelPhysics>{
+		models.get(self.model as usize)
+	}
 	pub fn mesh(&self,models:&Vec<ModelPhysics>) -> TreyMesh {
-		return models.get(self.model as usize).unwrap().face_mesh(self.face).clone()
+		return self.model(models).unwrap().face_mesh(self.face).clone()
 	}
 	pub fn normal(&self,models:&Vec<ModelPhysics>) -> glam::Vec3 {
-		return models.get(self.model as usize).unwrap().face_normal(self.face)
+		return self.model(models).unwrap().face_normal(self.face)
 	}
 }
 
@@ -477,6 +557,19 @@ impl Body {
 }
 
 impl PhysicsState {
+	pub fn clear(&mut self){
+		self.models.clear();
+		self.modes.clear();
+		self.contacts.clear();
+		self.intersects.clear();
+	}
+	pub fn get_mode(&self,mode_id:u32)->Option<&crate::model::ModeDescription>{
+		if let Some(&mode)=self.mode_from_mode_id.get(&mode_id){
+			self.modes.get(mode)
+		}else{
+			None
+		}
+	}
 	//tickless gaming
 	pub fn run(&mut self, time_limit:TIME){
 		//prepare is ommitted - everything is done via instructions.
@@ -503,7 +596,7 @@ impl PhysicsState {
 	}
 
 	fn contact_constrain_velocity(&self,velocity:&mut glam::Vec3){
-		for contact in self.contacts.iter() {
+		for (_,contact) in &self.contacts {
 			let n=contact.normal(&self.models);
 			let d=velocity.dot(n);
 			if d<0f32{
@@ -512,7 +605,7 @@ impl PhysicsState {
 		}
 	}
 	fn contact_constrain_acceleration(&self,acceleration:&mut glam::Vec3){
-		for contact in self.contacts.iter() {
+		for (_,contact) in &self.contacts {
 			let n=contact.normal(&self.models);
 			let d=acceleration.dot(n);
 			if d<0f32{
@@ -522,7 +615,7 @@ impl PhysicsState {
 	}
 	fn next_strafe_instruction(&self) -> Option<TimedInstruction<PhysicsInstruction>> {
 		return Some(TimedInstruction{
-			time:(self.time*self.strafe_tick_num/self.strafe_tick_den+1)*self.strafe_tick_den/self.strafe_tick_num,
+			time:(self.time*self.style.strafe_tick_num/self.style.strafe_tick_den+1)*self.style.strafe_tick_den/self.style.strafe_tick_num,
 			//only poll the physics if there is a before and after mouse event
 			instruction:PhysicsInstruction::StrafeTick
 		});
@@ -572,7 +665,7 @@ impl PhysicsState {
 				self.body.acceleration=a;
 				self.walk.state=WalkEnum::Reached;
 			}else{
-				let accel=self.walk_accel.min(self.gravity.length()*self.friction);
+				let accel=self.style.walk_accel.min(self.style.gravity.length()*self.style.friction);
 				let time_delta=target_diff.length()/accel;
 				let mut a=target_diff/time_delta;
 				self.contact_constrain_acceleration(&mut a);
@@ -601,7 +694,7 @@ impl PhysicsState {
 	fn mesh(&self) -> TreyMesh {
 		let mut aabb=Aabb::new();
 		for vertex in Aabb::unit_vertices(){
-			aabb.grow(self.body.position+self.hitbox_halfsize*vertex);
+			aabb.grow(self.body.position+self.style.hitbox_halfsize*vertex);
 		}
 		aabb
 	}
@@ -885,12 +978,19 @@ impl crate::instruction::InstructionEmitter<PhysicsInstruction> for PhysicsState
 		//JUST POLLING!!! NO MUTATION
 		let mut collector = crate::instruction::InstructionCollector::new(time_limit);
 		//check for collision stop instructions with curent contacts
-		for collision_data in self.contacts.iter() {
+		for (_,collision_data) in &self.contacts {
 			collector.collect(self.predict_collision_end(self.time,time_limit,collision_data));
 		}
+		// for collision_data in &self.intersects{
+		// 	collector.collect(self.predict_collision_end2(self.time,time_limit,collision_data));
+		// }
 		//check for collision start instructions (against every part in the game with no optimization!!)
 		for i in 0..self.models.len() {
-			collector.collect(self.predict_collision_start(self.time,time_limit,i as u32));
+			let i=i as u32;
+			if self.contacts.contains_key(&i)||self.intersects.contains_key(&i){
+				continue;
+			}
+			collector.collect(self.predict_collision_start(self.time,time_limit,i));
 		}
 		if self.grounded {
 			//walk maintenance
@@ -906,63 +1006,116 @@ impl crate::instruction::InstructionEmitter<PhysicsInstruction> for PhysicsState
 impl crate::instruction::InstructionConsumer<PhysicsInstruction> for PhysicsState {
 	fn process_instruction(&mut self, ins:TimedInstruction<PhysicsInstruction>) {
 		match &ins.instruction {
-		    PhysicsInstruction::StrafeTick => (),
-		    PhysicsInstruction::Input(InputInstruction::MoveMouse(_)) => (),
-		    _=>println!("{:?}",ins),
+			PhysicsInstruction::StrafeTick => (),
+			PhysicsInstruction::Input(InputInstruction::MoveMouse(_)) => (),
+			_=>println!("{:?}",ins),
 		}
 		//selectively update body
 		match &ins.instruction {
-		    PhysicsInstruction::Input(InputInstruction::MoveMouse(_)) => (),//dodge time for mouse movement
-    		PhysicsInstruction::Input(_)
-    		|PhysicsInstruction::SetSpawnPosition(_)
-		    |PhysicsInstruction::ReachWalkTargetVelocity
-		    |PhysicsInstruction::CollisionStart(_)
-		    |PhysicsInstruction::CollisionEnd(_)
-		    |PhysicsInstruction::StrafeTick => self.advance_time(ins.time),
+			PhysicsInstruction::Input(InputInstruction::MoveMouse(_)) => (),//dodge time for mouse movement
+			PhysicsInstruction::Input(_)
+			|PhysicsInstruction::SetSpawnPosition(_)
+			|PhysicsInstruction::ReachWalkTargetVelocity
+			|PhysicsInstruction::CollisionStart(_)
+			|PhysicsInstruction::CollisionEnd(_)
+			|PhysicsInstruction::StrafeTick => self.advance_time(ins.time),
 		}
 		match ins.instruction {
 			PhysicsInstruction::SetSpawnPosition(position)=>{
 				self.spawn_point=position;
 			}
 			PhysicsInstruction::CollisionStart(c) => {
-				//check ground
-				match &c.face {
-			        AabbFace::Top => {
-			        	//ground
-			        	self.grounded=true;
-			        },
-			        _ => (),
-			    }
-			    self.contacts.insert(c);
-				//flatten v
-				let mut v=self.body.velocity;
-				self.contact_constrain_velocity(&mut v);
-				self.body.velocity=v;
-				if self.grounded&&self.controls&CONTROL_JUMP!=0{
-					self.jump();
+				let model=c.model(&self.models).unwrap();
+				match &model.attributes{
+					PhysicsCollisionAttributes::Contact{contacting,general}=>{
+						match &contacting.surf{
+							Some(surf)=>println!("I'm surfing!"),
+							None=>match &c.face {
+								AabbFace::Top => {
+									//ground
+									self.grounded=true;
+								},
+								_ => (),
+							},
+						}
+						match &general.booster{
+							Some(booster)=>self.body.velocity+=booster.velocity,
+							None=>(),
+						}
+						match &general.stage_element{
+							Some(stage_element)=>{
+								if stage_element.force||self.game.stage_id<stage_element.stage_id{
+									self.game.stage_id=stage_element.stage_id;
+								}
+								match stage_element.behaviour{
+									crate::model::StageElementBehaviour::SpawnAt=>(),
+									crate::model::StageElementBehaviour::Trigger
+									|crate::model::StageElementBehaviour::Teleport=>{
+										//TODO make good
+										if let Some(mode)=self.get_mode(stage_element.mode_id){
+											if let Some(&spawn)=mode.get_spawn_model_id(self.game.stage_id){
+												if let Some(model)=self.models.get(spawn as usize){
+													self.body.position=model.transform.transform_point3(glam::Vec3::Y)+glam::Vec3::Y*(self.style.hitbox_halfsize.y+0.1);
+													//manual clear //for c in self.contacts{process_instruction(CollisionEnd(c))}
+													self.contacts.clear();
+													self.intersects.clear();
+													self.body.acceleration=self.style.gravity;
+													self.walk.state=WalkEnum::Reached;
+													self.grounded=false;
+												}else{println!("bad1");}
+											}else{println!("bad2");}
+										}else{println!("bad3");}
+									},
+									crate::model::StageElementBehaviour::Platform=>(),
+								}
+							},
+							None=>(),
+						}
+						//check ground
+						self.contacts.insert(c.model,c);
+						//flatten v
+						let mut v=self.body.velocity;
+						self.contact_constrain_velocity(&mut v);
+						self.body.velocity=v;
+						if self.grounded&&self.style.get_control(StyleModifiers::CONTROL_JUMP,self.controls){
+							self.jump();
+						}
+						self.refresh_walk_target();
+					},
+					PhysicsCollisionAttributes::Intersect{intersecting,general}=>{
+						//I think that setting the velocity to 0 was preventing surface contacts from entering an infinite loop
+						self.intersects.insert(c.model,c);
+					},
 				}
-				self.refresh_walk_target();
 			},
 			PhysicsInstruction::CollisionEnd(c) => {
-			    self.contacts.remove(&c);//remove contact before calling contact_constrain_acceleration
-				let mut a=self.gravity;
-				self.contact_constrain_acceleration(&mut a);
-				self.body.acceleration=a;
-				//check ground
-				match &c.face {
-			        AabbFace::Top => {
-			        	self.grounded=false;
-			        },
-			        _ => (),
-			    }
-				self.refresh_walk_target();
+				let model=c.model(&self.models).unwrap();
+				match &model.attributes{
+					PhysicsCollisionAttributes::Contact{contacting,general}=>{
+						self.contacts.remove(&c.model);//remove contact before calling contact_constrain_acceleration
+						let mut a=self.style.gravity;
+						self.contact_constrain_acceleration(&mut a);
+						self.body.acceleration=a;
+						//check ground
+						match &c.face {
+							AabbFace::Top => {
+								self.grounded=false;
+							},
+							_ => (),
+						}
+						self.refresh_walk_target();
+					},
+					PhysicsCollisionAttributes::Intersect{intersecting,general}=>{
+						self.intersects.remove(&c.model);
+					},
+				}
 			},
 			PhysicsInstruction::StrafeTick => {
 				let camera_mat=self.camera.simulate_move_rotation_y(self.mouse_interpolation.interpolated_position(self.time).x-self.mouse_interpolation.mouse0.x);
-				let control_dir=camera_mat*get_control_dir(self.controls);
+				let control_dir=camera_mat*self.style.get_control_dir(self.controls);
 				let d=self.body.velocity.dot(control_dir);
-				if d<self.mv {
-					let mut v=self.body.velocity+(self.mv-d)*control_dir;
+				if d<self.style.mv {
+					let mut v=self.body.velocity+(self.style.mv-d)*control_dir;
 					self.contact_constrain_velocity(&mut v);
 					self.body.velocity=v;
 				}
@@ -985,21 +1138,21 @@ impl crate::instruction::InstructionConsumer<PhysicsInstruction> for PhysicsStat
 						self.camera.angles=self.camera.simulate_move_angles(self.mouse_interpolation.mouse1-self.mouse_interpolation.mouse0);
 						self.mouse_interpolation.move_mouse(self.time,m);
 					},
-					InputInstruction::MoveForward(s) => self.set_control(CONTROL_MOVEFORWARD,s),
-					InputInstruction::MoveLeft(s) => self.set_control(CONTROL_MOVELEFT,s),
-					InputInstruction::MoveBack(s) => self.set_control(CONTROL_MOVEBACK,s),
-					InputInstruction::MoveRight(s) => self.set_control(CONTROL_MOVERIGHT,s),
-					InputInstruction::MoveUp(s) => self.set_control(CONTROL_MOVEUP,s),
-					InputInstruction::MoveDown(s) => self.set_control(CONTROL_MOVEDOWN,s),
+					InputInstruction::MoveForward(s) => self.set_control(StyleModifiers::CONTROL_MOVEFORWARD,s),
+					InputInstruction::MoveLeft(s) => self.set_control(StyleModifiers::CONTROL_MOVELEFT,s),
+					InputInstruction::MoveBack(s) => self.set_control(StyleModifiers::CONTROL_MOVEBACK,s),
+					InputInstruction::MoveRight(s) => self.set_control(StyleModifiers::CONTROL_MOVERIGHT,s),
+					InputInstruction::MoveUp(s) => self.set_control(StyleModifiers::CONTROL_MOVEUP,s),
+					InputInstruction::MoveDown(s) => self.set_control(StyleModifiers::CONTROL_MOVEDOWN,s),
 					InputInstruction::Jump(s) => {
-						self.set_control(CONTROL_JUMP,s);
+						self.set_control(StyleModifiers::CONTROL_JUMP,s);
 						if self.grounded{
 							self.jump();
 						}
 						refresh_walk_target_velocity=false;
 					},
 					InputInstruction::Zoom(s) => {
-						self.set_control(CONTROL_ZOOM,s);
+						self.set_control(StyleModifiers::CONTROL_ZOOM,s);
 						refresh_walk_target=false;
 					},
 					InputInstruction::Reset => {
@@ -1008,7 +1161,7 @@ impl crate::instruction::InstructionConsumer<PhysicsInstruction> for PhysicsStat
 						self.body.velocity=glam::Vec3::ZERO;
 						//manual clear //for c in self.contacts{process_instruction(CollisionEnd(c))}
 						self.contacts.clear();
-						self.body.acceleration=self.gravity;
+						self.body.acceleration=self.style.gravity;
 						self.walk.state=WalkEnum::Reached;
 						self.grounded=false;
 						refresh_walk_target=false;
@@ -1019,8 +1172,8 @@ impl crate::instruction::InstructionConsumer<PhysicsInstruction> for PhysicsStat
 					//calculate walk target velocity
 					if refresh_walk_target_velocity{
 						let camera_mat=self.camera.simulate_move_rotation_y(self.mouse_interpolation.interpolated_position(self.time).x-self.mouse_interpolation.mouse0.x);
-						let control_dir=camera_mat*get_control_dir(self.controls);
-						self.walk.target_velocity=self.walkspeed*control_dir;
+						let control_dir=camera_mat*self.style.get_control_dir(self.controls);
+						self.walk.target_velocity=self.style.walkspeed*control_dir;
 					}
 					self.refresh_walk_target();
 				}

src/load_roblox.rs

@@ -30,6 +30,82 @@ fn get_texture_refs(dom:&rbx_dom_weak::WeakDom) -> Vec<rbx_dom_weak::types::Ref>
 	//next class
 	objects
 }
+fn get_attributes(name:&str,can_collide:bool,velocity:glam::Vec3,force_intersecting:bool)->crate::model::CollisionAttributes{
+	let mut general=crate::model::GameMechanicAttributes::default();
+	let mut intersecting=crate::model::IntersectingAttributes::default();
+	let mut contacting=crate::model::ContactingAttributes::default();
+	match name{
+		//"Water"=>intersecting.water=Some(crate::model::IntersectingWater{density:1.0,drag:1.0}),
+		"Accelerator"=>intersecting.accelerator=Some(crate::model::IntersectingAccelerator{acceleration:velocity}),
+		"MapFinish"=>general.zone=Some(crate::model::GameMechanicZone{mode_id:0,behaviour:crate::model::ZoneBehaviour::Finish}),
+		"MapAnticheat"=>general.zone=Some(crate::model::GameMechanicZone{mode_id:0,behaviour:crate::model::ZoneBehaviour::Anitcheat}),
+		"Platform"=>general.stage_element=Some(crate::model::GameMechanicStageElement{
+			mode_id:0,
+			stage_id:0,
+			force:false,
+			behaviour:crate::model::StageElementBehaviour::Platform,
+		}),
+		other=>{
+			if let Some(captures)=lazy_regex::regex!(r"^(Force)?(Spawn|SpawnAt|Trigger|Teleport|Platform)(\d+)$")
+			.captures(other){
+				general.stage_element=Some(crate::model::GameMechanicStageElement{
+					mode_id:0,
+					stage_id:captures[3].parse::<u32>().unwrap(),
+					force:match captures.get(1){
+						Some(m)=>m.as_str()=="Force",
+						None=>false,
+					},
+					behaviour:match &captures[2]{
+						"Spawn"|"SpawnAt"=>crate::model::StageElementBehaviour::SpawnAt,
+						"Trigger"=>crate::model::StageElementBehaviour::Trigger,
+						"Teleport"=>crate::model::StageElementBehaviour::Teleport,
+						"Platform"=>crate::model::StageElementBehaviour::Platform,
+						_=>panic!("regex1[2] messed up bad"),
+					}
+				})
+			}else if let Some(captures)=lazy_regex::regex!(r"^Bonus(Finish|Anticheat)(\d+)$")
+			.captures(other){
+				match &captures[1]{
+					"Finish"=>general.zone=Some(crate::model::GameMechanicZone{mode_id:captures[2].parse::<u32>().unwrap(),behaviour:crate::model::ZoneBehaviour::Finish}),
+					"Anticheat"=>general.zone=Some(crate::model::GameMechanicZone{mode_id:captures[2].parse::<u32>().unwrap(),behaviour:crate::model::ZoneBehaviour::Anitcheat}),
+					_=>panic!("regex2[1] messed up bad"),
+				}
+			}
+		}
+	}
+	//need some way to skip this
+	if velocity!=glam::Vec3::ZERO{
+		general.booster=Some(crate::model::GameMechanicBooster{velocity});
+	}
+	match can_collide{
+		true=>{
+			match name{
+				//"Bounce"=>(),
+				"Surf"=>contacting.surf=Some(crate::model::ContactingSurf{}),
+				"Ladder"=>contacting.ladder=Some(crate::model::ContactingLadder{sticky:true}),
+				other=>{
+					//REGEX!!!!
+					//Jump#
+					//WormholeIn#
+				}
+			}
+			crate::model::CollisionAttributes::Contact{contacting,general}
+		},
+		false=>if force_intersecting
+		||general.jump_limit.is_some()
+		||general.booster.is_some()
+		||general.zone.is_some()
+		||general.stage_element.is_some()
+		||general.wormhole.is_some()
+		||intersecting.water.is_some()
+		||intersecting.accelerator.is_some()
+		{
+			crate::model::CollisionAttributes::Intersect{intersecting,general}
+		}else{
+			crate::model::CollisionAttributes::Decoration
+		},
+	}
+}
 
 struct RobloxAssetId(u64);
 struct RobloxAssetIdParseErr;
@@ -127,13 +203,17 @@ pub fn generate_indexed_models(dom:rbx_dom_weak::WeakDom) -> crate::model::Index
 			if let (
 					Some(rbx_dom_weak::types::Variant::CFrame(cf)),
 					Some(rbx_dom_weak::types::Variant::Vector3(size)),
+					Some(rbx_dom_weak::types::Variant::Vector3(velocity)),
 					Some(rbx_dom_weak::types::Variant::Float32(transparency)),
 					Some(rbx_dom_weak::types::Variant::Color3uint8(color3)),
+					Some(rbx_dom_weak::types::Variant::Bool(can_collide)),
 				) = (
 					object.properties.get("CFrame"),
 					object.properties.get("Size"),
+					object.properties.get("Velocity"),
 					object.properties.get("Transparency"),
 					object.properties.get("Color"),
+					object.properties.get("CanCollide"),
 				)
 			{
 				let model_transform=glam::Affine3A::from_translation(
@@ -149,9 +229,32 @@ 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 force_intersecting=false;
+				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|ForceSpawn|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"|"ForceSpawn"=>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
+						}
+					}
+				}{
+					force_intersecting=true;
+					temp_indexing_attributes.push(attr);
 				}
 
 				//TODO: also detect "CylinderMesh" etc here
@@ -251,14 +354,32 @@ pub fn generate_indexed_models(dom:rbx_dom_weak::WeakDom) -> crate::model::Index
 					}
 				}
 				//obscure rust syntax "slice pattern"
-				let [f0,f1,f2,f3,f4,f5]=part_texture_description;
+				let [
+					f0,//Cube::Right
+					f1,//Cube::Top
+					f2,//Cube::Back
+					f3,//Cube::Left
+					f4,//Cube::Bottom
+					f5,//Cube::Front
+				]=part_texture_description;
 				let basepart_texture_description=match shape{
 					primitives::Primitives::Sphere=>RobloxBasePartDescription::Sphere,
 					primitives::Primitives::Cube=>RobloxBasePartDescription::Part([f0,f1,f2,f3,f4,f5]),
 					primitives::Primitives::Cylinder=>RobloxBasePartDescription::Cylinder,
 					//use front face texture first and use top face texture as a fallback
-					primitives::Primitives::Wedge=>RobloxBasePartDescription::Wedge([f0,if f2.is_some(){f2}else{f1},f3,f4,f5]),
-					primitives::Primitives::CornerWedge=>RobloxBasePartDescription::CornerWedge([f1,f3,f4,f5]),
+					primitives::Primitives::Wedge=>RobloxBasePartDescription::Wedge([
+						f0,//Cube::Right->Wedge::Right
+						if f5.is_some(){f5}else{f1},//Cube::Front|Cube::Top->Wedge::TopFront
+						f2,//Cube::Back->Wedge::Back
+						f3,//Cube::Left->Wedge::Left
+						f4,//Cube::Bottom->Wedge::Bottom
+					]),
+					primitives::Primitives::CornerWedge=>RobloxBasePartDescription::CornerWedge([
+						f0,//Cube::Right->CornerWedge::Right
+						f1,//Cube::Top->CornerWedge::Top
+						f4,//Cube::Bottom->CornerWedge::Bottom
+						f5,//Cube::Front->CornerWedge::Front
+					]),
 				};
 				//make new model if unit cube has not been created before
 				let model_id=if let Some(&model_id)=model_id_from_description.get(&basepart_texture_description){
@@ -333,6 +454,8 @@ pub fn generate_indexed_models(dom:rbx_dom_weak::WeakDom) -> crate::model::Index
 				indexed_models[model_id].instances.push(crate::model::ModelInstance {
 					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),force_intersecting),
+					temp_indexing:temp_indexing_attributes,
 				});
 			}
 		}
@@ -341,5 +464,6 @@ pub fn generate_indexed_models(dom:rbx_dom_weak::WeakDom) -> crate::model::Index
 		textures:asset_id_from_texture_id.iter().map(|t|t.to_string()).collect(),
 		models:indexed_models,
 		spawn_point,
+		modes:Vec::new(),
 	}
 }

src/main.rs

@@ -11,6 +11,7 @@ mod framework;
 mod primitives;
 mod instruction;
 mod load_roblox;
+mod worker;
 
 struct Entity {
 	index_count: u32,
@@ -38,16 +39,13 @@ pub struct GraphicsBindGroups {
 	skybox_texture: wgpu::BindGroup,
 }
 
-pub struct GraphicsPipelines {
+pub struct GraphicsPipelines{
 	skybox: wgpu::RenderPipeline,
 	model: wgpu::RenderPipeline,
 }
 
-pub struct GraphicsData {
-	start_time: std::time::Instant,
+pub struct GraphicsState{
 	screen_size: (u32, u32),
-	manual_mouse_lock:bool,
-	physics: body::PhysicsState,
 	pipelines: GraphicsPipelines,
 	bind_groups: GraphicsBindGroups,
 	bind_group_layouts: GraphicsBindGroupLayouts,
@@ -59,7 +57,20 @@ pub struct GraphicsData {
 	staging_belt: wgpu::util::StagingBelt,
 }
 
-impl GraphicsData {
+impl GraphicsState{
+	pub fn clear(&mut self){
+		self.models.clear();
+	}
+}
+
+pub struct GlobalState{
+	start_time: std::time::Instant,
+	manual_mouse_lock:bool,
+	graphics:GraphicsState,
+	physics:body::PhysicsState,
+}
+
+impl GlobalState{
 	const DEPTH_FORMAT: wgpu::TextureFormat = wgpu::TextureFormat::Depth24Plus;
 
 	fn create_depth_texture(
@@ -85,12 +96,74 @@ impl GraphicsData {
 	}
 
 	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{
-				self.physics.models.push(body::ModelPhysics::from_model(&model,model_instance.transform));
+				if let Some(model_physics)=body::ModelPhysics::from_model(model,model_instance){
+					let model_id=self.physics.models.len() as u32;
+					self.physics.models.push(model_physics);
+					for attr in &model_instance.temp_indexing{
+						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)),
+						}
+					}
+				}
 			}
 		}
+		//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);
+				}
+			}
+		}
+		let num_modes=self.physics.modes.len();
+		for (mode_id,mode) in eshmep{
+			self.physics.mode_from_mode_id.insert(mode_id,num_modes+mode);
+		}
+		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);
+			let mut eshmep1=std::collections::HashMap::new();
+			let mut eshmep2=std::collections::HashMap::new();
+			model::ModeDescription{
+				start:tup.0,
+				spawns:tup.1.into_iter().enumerate().map(|(i,tup)|{eshmep1.insert(tup.0,i);tup.1}).collect(),
+				ordered_checkpoints:tup.2.into_iter().enumerate().map(|(i,tup)|{eshmep2.insert(tup.0,i);tup.1}).collect(),
+				unordered_checkpoints:tup.3,
+				spawn_from_stage_id:eshmep1,
+				ordered_checkpoint_from_checkpoint_id:eshmep2,
+			}
+		}).collect());
 		println!("Physics Objects: {}",self.physics.models.len());
 	}
 	fn generate_model_graphics(&mut self,device:&wgpu::Device,queue:&wgpu::Queue,indexed_models:model::IndexedModelInstances){
@@ -162,7 +235,7 @@ impl GraphicsData {
 		//the models received here are supposed to be tightly packed, i.e. no code needs to check if two models are using the same groups.
 		let indexed_models_len=indexed_models.models.len();
 		let mut unique_texture_models=Vec::with_capacity(indexed_models_len);
-		for mut model in indexed_models.models.into_iter(){
+		for model in indexed_models.models.into_iter(){
 			//convert ModelInstance into ModelGraphicsInstance
 			let instances:Vec<ModelGraphicsInstance>=model.instances.into_iter().filter_map(|instance|{
 				if instance.color.w==0.0{
@@ -245,9 +318,9 @@ impl GraphicsData {
 		//.into_iter() the modeldata vec so entities can be /moved/ to models.entities
 		let mut model_count=0;
 		let mut instance_count=0;
-		let uniform_buffer_binding_size=<GraphicsData as framework::Example>::required_limits().max_uniform_buffer_binding_size as usize;
+		let uniform_buffer_binding_size=<GlobalState as framework::Example>::required_limits().max_uniform_buffer_binding_size as usize;
 		let chunk_size=uniform_buffer_binding_size/MODEL_BUFFER_SIZE_BYTES;
-		self.models.reserve(models.len());
+		self.graphics.models.reserve(models.len());
 		for model in models.into_iter() {
 			instance_count+=model.instances.len();
 			for instances_chunk in model.instances.rchunks(chunk_size){
@@ -262,13 +335,13 @@ impl GraphicsData {
 					Some(texture_id)=>{
 						match double_map.get(&texture_id){
 							Some(&mapped_texture_id)=>&texture_views[mapped_texture_id as usize],
-							None=>&self.temp_squid_texture_view,
+							None=>&self.graphics.temp_squid_texture_view,
 						}
 					},
-					None=>&self.temp_squid_texture_view,
+					None=>&self.graphics.temp_squid_texture_view,
 				};
 				let model_bind_group = device.create_bind_group(&wgpu::BindGroupDescriptor {
-					layout: &self.bind_group_layouts.model,
+					layout: &self.graphics.bind_group_layouts.model,
 					entries: &[
 						wgpu::BindGroupEntry {
 							binding: 0,
@@ -280,7 +353,7 @@ impl GraphicsData {
 						},
 						wgpu::BindGroupEntry {
 							binding: 2,
-							resource: wgpu::BindingResource::Sampler(&self.samplers.repeat),
+							resource: wgpu::BindingResource::Sampler(&self.graphics.samplers.repeat),
 						},
 					],
 					label: Some(format!("Model{} Bind Group",model_count).as_str()),
@@ -291,7 +364,7 @@ impl GraphicsData {
 					usage: wgpu::BufferUsages::VERTEX,
 				});
 				//all of these are being moved here
-				self.models.push(ModelGraphics{
+				self.graphics.models.push(ModelGraphics{
 					instances:instances_chunk.to_vec(),
 					vertex_buf,
 					entities: model.entities.iter().map(|indices|{
@@ -313,7 +386,7 @@ impl GraphicsData {
 		println!("Texture References={}",num_textures);
 		println!("Textures Loaded={}",texture_views.len());
 		println!("Indexed Models={}",indexed_models_len);
-		println!("Graphics Objects: {}",self.models.len());
+		println!("Graphics Objects: {}",self.graphics.models.len());
 		println!("Graphics Instances: {}",instance_count);
 	}
 }
@@ -349,7 +422,7 @@ fn to_uniform_data(camera: &body::Camera, pos: glam::Vec3) -> [f32; 16 * 3 + 4]
 	raw
 }
 
-impl framework::Example for GraphicsData {
+impl framework::Example for GlobalState {
 	fn optional_features() -> wgpu::Features {
 		wgpu::Features::TEXTURE_COMPRESSION_ASTC
 			| wgpu::Features::TEXTURE_COMPRESSION_ETC2
@@ -374,34 +447,44 @@ impl framework::Example for GraphicsData {
 		println!("models.len = {:?}", indexed_models.len());
 		indexed_models[0].instances.push(ModelInstance{
 			transform:glam::Affine3A::from_translation(glam::vec3(10.,0.,-10.)),
-			color:glam::Vec4::ONE,
+			..Default::default()
 		});
 		//quad monkeys
 		indexed_models[1].instances.push(ModelInstance{
 			transform:glam::Affine3A::from_translation(glam::vec3(10.,5.,10.)),
-			color:glam::Vec4::ONE,
+			..Default::default()
 		});
 		indexed_models[1].instances.push(ModelInstance{
 			transform:glam::Affine3A::from_translation(glam::vec3(20.,5.,10.)),
 			color:glam::vec4(1.0,0.0,0.0,1.0),
+			..Default::default()
 		});
 		indexed_models[1].instances.push(ModelInstance{
 			transform:glam::Affine3A::from_translation(glam::vec3(10.,5.,20.)),
 			color:glam::vec4(0.0,1.0,0.0,1.0),
+			..Default::default()
 		});
 		indexed_models[1].instances.push(ModelInstance{
 			transform:glam::Affine3A::from_translation(glam::vec3(20.,5.,20.)),
 			color:glam::vec4(0.0,0.0,1.0,1.0),
+			..Default::default()
+		});
+		//decorative monkey
+		indexed_models[1].instances.push(ModelInstance{
+			transform:glam::Affine3A::from_translation(glam::vec3(15.,10.,15.)),
+			color:glam::vec4(0.5,0.5,0.5,0.5),
+			attributes:model::CollisionAttributes::Decoration,
+			..Default::default()
 		});
 		//teapot
 		indexed_models[2].instances.push(ModelInstance{
 			transform:glam::Affine3A::from_scale_rotation_translation(glam::vec3(0.5, 1.0, 0.2),glam::quat(-0.22248298016985793,-0.839457167990537,-0.05603504040830783,-0.49261857546227916),glam::vec3(-10.,7.,10.)),
-			color:glam::Vec4::ONE,
+			..Default::default()
 		});
 		//ground
 		indexed_models[3].instances.push(ModelInstance{
 			transform:glam::Affine3A::from_translation(glam::vec3(0.,0.,0.))*glam::Affine3A::from_scale(glam::vec3(160.0, 1.0, 160.0)),
-			color:glam::Vec4::ONE,
+			..Default::default()
 		});
 
 		let camera_bind_group_layout = device.create_bind_group_layout(&wgpu::BindGroupLayoutDescriptor {
@@ -503,22 +586,19 @@ impl framework::Example for GraphicsData {
 			spawn_point:glam::vec3(0.0,50.0,0.0),
 			body: body::Body::with_pva(glam::vec3(0.0,50.0,0.0),glam::vec3(0.0,0.0,0.0),glam::vec3(0.0,-100.0,0.0)),
 			time: 0,
-			tick: 0,
-			strafe_tick_num: 100,//100t
-			strafe_tick_den: 1_000_000_000,
-			gravity: glam::vec3(0.0,-100.0,0.0),
-			friction: 1.2,
-			walk_accel: 90.0,
-			mv: 2.7,
+			style:body::StyleModifiers::default(),
 			grounded: false,
-			walkspeed: 18.0,
-			contacts: std::collections::HashSet::new(),
+			contacts: std::collections::HashMap::new(),
+			intersects: std::collections::HashMap::new(),
 			models: Vec::new(),
 			walk: body::WalkState::new(),
-			hitbox_halfsize: glam::vec3(1.0,2.5,1.0),
 			camera: body::Camera::from_offset(glam::vec3(0.0,4.5-2.5,0.0),(config.width as f32)/(config.height as f32)),
 			mouse_interpolation: body::MouseInterpolationState::new(),
 			controls: 0,
+			world:body::WorldState{},
+			game:body::GameMechanicsState::default(),
+			modes:Vec::new(),
+			mode_from_mode_id:std::collections::HashMap::new(),
 		};
 
 		//load textures
@@ -748,11 +828,8 @@ impl framework::Example for GraphicsData {
 
 		let depth_view = Self::create_depth_texture(config, device);
 
-		let mut graphics=GraphicsData {
-			manual_mouse_lock:false,
-			start_time: Instant::now(),
+		let graphics=GraphicsState {
 			screen_size: (config.width,config.height),
-			physics,
 			pipelines:GraphicsPipelines{
 				skybox:sky_pipeline,
 				model:model_pipeline
@@ -770,20 +847,28 @@ impl framework::Example for GraphicsData {
 			temp_squid_texture_view: squid_texture_view,
 		};
 
+		let mut state=GlobalState{
+			start_time:Instant::now(),
+			manual_mouse_lock:false,
+			graphics,
+			physics,
+		};
+
 		let indexed_model_instances=model::IndexedModelInstances{
 			textures:Vec::new(),
 			models:indexed_models,
 			spawn_point:glam::Vec3::Y*50.0,
+			modes:Vec::new(),
 		};
-		graphics.generate_model_physics(&indexed_model_instances);
-		graphics.generate_model_graphics(&device,&queue,indexed_model_instances);
+		state.generate_model_physics(&indexed_model_instances);
+		state.generate_model_graphics(&device,&queue,indexed_model_instances);
 
 		let args:Vec<String>=std::env::args().collect();
 		if args.len()==2{
-			graphics.load_file(std::path::PathBuf::from(&args[1]), device, queue);
+			state.load_file(std::path::PathBuf::from(&args[1]), device, queue);
 		}
 
-		return graphics;
+		return state;
 	}
 
 	fn load_file(&mut self,path: std::path::PathBuf, device: &wgpu::Device, queue: &wgpu::Queue){
@@ -826,8 +911,9 @@ impl framework::Example for GraphicsData {
 				}{
 					let spawn_point=indexed_model_instances.spawn_point;
 					//if generate_indexed_models succeeds, clear the previous ones
-					self.models.clear();
-					self.physics.models.clear();
+					self.physics.clear();
+					self.graphics.clear();
+					self.physics.game.stage_id=0;
 					self.generate_model_physics(&indexed_model_instances);
 					self.generate_model_graphics(device,queue,indexed_model_instances);
 					//manual reset
@@ -900,7 +986,7 @@ impl framework::Example for GraphicsData {
 					15=>{//Tab
 						if s{
 							self.manual_mouse_lock=false;
-							match window.set_cursor_position(winit::dpi::PhysicalPosition::new(self.screen_size.0 as f32/2.0, self.screen_size.1 as f32/2.0)){
+							match window.set_cursor_position(winit::dpi::PhysicalPosition::new(self.graphics.screen_size.0 as f32/2.0, self.graphics.screen_size.1 as f32/2.0)){
 								Ok(())=>(),
 								Err(e)=>println!("Could not set cursor position: {:?}",e),
 							}
@@ -940,7 +1026,7 @@ impl framework::Example for GraphicsData {
 			    delta,//these (f64,f64) are integers on my machine
 			} => {
 				if self.manual_mouse_lock{
-					match window.set_cursor_position(winit::dpi::PhysicalPosition::new(self.screen_size.0 as f32/2.0, self.screen_size.1 as f32/2.0)){
+					match window.set_cursor_position(winit::dpi::PhysicalPosition::new(self.graphics.screen_size.0 as f32/2.0, self.graphics.screen_size.1 as f32/2.0)){
 						Ok(())=>(),
 						Err(e)=>println!("Could not set cursor position: {:?}",e),
 					}
@@ -975,8 +1061,8 @@ impl framework::Example for GraphicsData {
 		device: &wgpu::Device,
 		_queue: &wgpu::Queue,
 	) {
-		self.depth_view = Self::create_depth_texture(config, device);
-		self.screen_size = (config.width, config.height);
+		self.graphics.depth_view = Self::create_depth_texture(config, device);
+		self.graphics.screen_size = (config.width, config.height);
 		self.physics.camera.set_fov_aspect(1.0,(config.width as f32)/(config.height as f32));
 	}
 
@@ -996,19 +1082,19 @@ impl framework::Example for GraphicsData {
 
 		// update rotation
 		let camera_uniforms = to_uniform_data(&self.physics.camera,self.physics.body.extrapolated_position(time));
-		self.staging_belt
+		self.graphics.staging_belt
 			.write_buffer(
 				&mut encoder,
-				&self.camera_buf,
+				&self.graphics.camera_buf,
 				0,
 				wgpu::BufferSize::new((camera_uniforms.len() * 4) as wgpu::BufferAddress).unwrap(),
 				device,
 			)
 			.copy_from_slice(bytemuck::cast_slice(&camera_uniforms));
 		//This code only needs to run when the uniforms change
-		for model in self.models.iter() {
+		for model in self.graphics.models.iter() {
 			let model_uniforms = get_instances_buffer_data(&model.instances);
-			self.staging_belt
+			self.graphics.staging_belt
 				.write_buffer(
 					&mut encoder,
 					&model.model_buf,//description of where data will be written when command is executed
@@ -1018,7 +1104,7 @@ impl framework::Example for GraphicsData {
 				)
 				.copy_from_slice(bytemuck::cast_slice(&model_uniforms));
 		}
-		self.staging_belt.finish();
+		self.graphics.staging_belt.finish();
 
 		{
 			let mut rpass = encoder.begin_render_pass(&wgpu::RenderPassDescriptor {
@@ -1037,7 +1123,7 @@ impl framework::Example for GraphicsData {
 					},
 				})],
 				depth_stencil_attachment: Some(wgpu::RenderPassDepthStencilAttachment {
-					view: &self.depth_view,
+					view: &self.graphics.depth_view,
 					depth_ops: Some(wgpu::Operations {
 						load: wgpu::LoadOp::Clear(1.0),
 						store: false,
@@ -1046,11 +1132,11 @@ impl framework::Example for GraphicsData {
 				}),
 			});
 
-			rpass.set_bind_group(0, &self.bind_groups.camera, &[]);
-			rpass.set_bind_group(1, &self.bind_groups.skybox_texture, &[]);
+			rpass.set_bind_group(0, &self.graphics.bind_groups.camera, &[]);
+			rpass.set_bind_group(1, &self.graphics.bind_groups.skybox_texture, &[]);
 
-			rpass.set_pipeline(&self.pipelines.model);
-			for model in self.models.iter() {
+			rpass.set_pipeline(&self.graphics.pipelines.model);
+			for model in self.graphics.models.iter() {
 				rpass.set_bind_group(2, &model.bind_group, &[]);
 				rpass.set_vertex_buffer(0, model.vertex_buf.slice(..));
 
@@ -1060,18 +1146,18 @@ impl framework::Example for GraphicsData {
 				}
 			}
 
-			rpass.set_pipeline(&self.pipelines.skybox);
+			rpass.set_pipeline(&self.graphics.pipelines.skybox);
 			rpass.draw(0..3, 0..1);
 		}
 
 		queue.submit(std::iter::once(encoder.finish()));
 
-		self.staging_belt.recall();
+		self.graphics.staging_belt.recall();
 	}
 }
 
 fn main() {
-	framework::run::<GraphicsData>(
+	framework::run::<GlobalState>(
 		format!("Strafe Client v{}",
 			env!("CARGO_PKG_VERSION")
 		).as_str()

src/model.rs

@@ -56,15 +56,177 @@ pub struct ModelGraphicsInstance{
 	pub color:glam::Vec4,
 }
 pub struct ModelInstance{
+	//pub id:u64,//this does not actually help with map fixes resimulating bots, they must always be resimulated
 	pub transform:glam::Affine3A,
-	pub color:glam::Vec4,
+	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
 	pub models:Vec<IndexedModel>,
-	//object_index for spawns, triggers etc?
+	//may make this into an object later.
+	pub modes:Vec<ModeDescription>,
 	pub spawn_point:glam::Vec3,
 }
+//stage description referencing flattened ids is spooky, but the map loading is meant to be deterministic.
+pub struct ModeDescription{
+	pub start:u32,//start=model_id
+	pub spawns:Vec<u32>,//spawns[spawn_id]=model_id
+	pub ordered_checkpoints:Vec<u32>,//ordered_checkpoints[checkpoint_id]=model_id
+	pub unordered_checkpoints:Vec<u32>,//unordered_checkpoints[checkpoint_id]=model_id
+	pub spawn_from_stage_id:std::collections::HashMap::<u32,usize>,
+	pub ordered_checkpoint_from_checkpoint_id:std::collections::HashMap::<u32,usize>,
+}
+impl ModeDescription{
+	pub fn get_spawn_model_id(&self,stage_id:u32)->Option<&u32>{
+		if let Some(&spawn)=self.spawn_from_stage_id.get(&stage_id){
+			self.spawns.get(spawn)
+		}else{
+			None
+		}
+	}
+	pub fn get_ordered_checkpoint_model_id(&self,checkpoint_id:u32)->Option<&u32>{
+		if let Some(&checkpoint)=self.ordered_checkpoint_from_checkpoint_id.get(&checkpoint_id){
+			self.ordered_checkpoints.get(checkpoint)
+		}else{
+			None
+		}
+	}
+}
+#[derive(Debug)]
+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)]
+pub struct ContactingSurf{}
+#[derive(Clone)]
+pub struct ContactingLadder{
+	pub sticky:bool
+}
+//you have this effect while intersecting
+#[derive(Clone)]
+pub struct IntersectingWater{
+	pub viscosity:i64,
+	pub density:i64,
+	pub current:glam::Vec3,
+}
+#[derive(Clone)]
+pub struct IntersectingAccelerator{
+	pub acceleration:glam::Vec3
+}
+//All models can be given these attributes
+#[derive(Clone)]
+pub struct GameMechanicJumpLimit{
+	pub count:u32,
+}
+#[derive(Clone)]
+pub struct GameMechanicBooster{
+	pub velocity:glam::Vec3,
+}
+#[derive(Clone)]
+pub enum ZoneBehaviour{
+	//Start is indexed
+	//Checkpoints are indexed
+	Finish,
+	Anitcheat,
+}
+#[derive(Clone)]
+pub struct GameMechanicZone{
+	pub mode_id:u32,
+	pub behaviour:ZoneBehaviour,
+}
+// enum TrapCondition{
+// 	FasterThan(i64),
+// 	SlowerThan(i64),
+// 	InRange(i64,i64),
+// 	OutsideRange(i64,i64),
+// }
+#[derive(Clone)]
+pub enum StageElementBehaviour{
+ 	//Spawn,//The behaviour of stepping on a spawn setting the spawnid
+ 	SpawnAt,
+ 	Trigger,
+ 	Teleport,
+ 	Platform,
+ 	//Speedtrap(TrapCondition),//Acts as a trigger with a speed condition
+}
+#[derive(Clone)]
+pub struct GameMechanicStageElement{
+	pub mode_id:u32,
+	pub stage_id:u32,//which spawn to send to
+	pub force:bool,//allow setting to lower spawn id i.e. 7->3
+	pub behaviour:StageElementBehaviour
+}
+#[derive(Clone)]
+pub struct GameMechanicWormhole{//(position,angles)*=origin.transform.inverse()*destination.transform
+	pub model_id:u32,
+}
+#[derive(Default,Clone)]
+pub struct GameMechanicAttributes{
+	pub jump_limit:Option<GameMechanicJumpLimit>,
+	pub booster:Option<GameMechanicBooster>,
+	pub zone:Option<GameMechanicZone>,
+	pub stage_element:Option<GameMechanicStageElement>,
+	pub wormhole:Option<GameMechanicWormhole>,//stage_element and wormhole are in conflict
+}
+#[derive(Default,Clone)]
+pub struct ContactingAttributes{
+	pub elasticity:Option<u32>,//[1/2^32,1] 0=None (elasticity+1)/2^32
+	//friction?
+	pub surf:Option<ContactingSurf>,
+	pub ladder:Option<ContactingLadder>,
+}
+#[derive(Default,Clone)]
+pub struct IntersectingAttributes{
+	pub water:Option<IntersectingWater>,
+	pub accelerator:Option<IntersectingAccelerator>,
+}
+//Spawn(u32) NO! spawns are indexed in the map header instead of marked with attibutes
+pub enum CollisionAttributes{
+	Decoration,//visual only
+	Contact{//track whether you are contacting the object
+		contacting:ContactingAttributes,
+		general:GameMechanicAttributes,
+	},
+	Intersect{//track whether you are intersecting the object
+		intersecting:IntersectingAttributes,
+		general:GameMechanicAttributes,
+	},
+}
+impl std::default::Default for CollisionAttributes{
+	fn default() -> Self {
+		Self::Contact{
+			contacting:ContactingAttributes::default(),
+			general:GameMechanicAttributes::default()
+		}
+	}
+}
 
 pub fn generate_indexed_model_list_from_obj(data:obj::ObjData,color:[f32;4]) -> Vec<IndexedModel>{
 	let mut unique_vertex_index = std::collections::HashMap::<obj::IndexTuple,u32>::new();

src/primitives.rs

@@ -113,11 +113,11 @@ pub enum CornerWedgeFace{
 	Front,
 }
 const CORNERWEDGE_DEFAULT_NORMALS:[[f32;3];5]=[
-	[ 1., 0., 0.],//Wedge::Right
-	[ 0., 1., 1.],//Wedge::BackTop
-	[-1., 1., 0.],//Wedge::LeftTop
-	[ 0.,-1., 0.],//Wedge::Bottom
-	[ 0., 0.,-1.],//Wedge::Front
+	[ 1., 0., 0.],//CornerWedge::Right
+	[ 0., 1., 1.],//CornerWedge::BackTop
+	[-1., 1., 0.],//CornerWedge::LeftTop
+	[ 0.,-1., 0.],//CornerWedge::Bottom
+	[ 0., 0.,-1.],//CornerWedge::Front
 ];
 //HashMap fits this use case perfectly but feels like using a sledgehammer to drive a nail
 pub fn unit_sphere()->crate::model::IndexedModel{

src/worker.rs

@@ -0,0 +1,83 @@
+use std::thread;
+use std::sync::{mpsc,Arc};
+use parking_lot::Mutex;
+
+//The goal here is to have a worker thread that parks itself when it runs out of work.
+//The worker thread publishes the result of its work back to the worker object for every item in the work queue.
+//The physics (target use case) knows when it has not changed the body, so not updating the value is also an option.
+
+struct Worker<Task:Send,Value:Clone> {
+    sender: mpsc::Sender<Task>,
+    value:Arc<Mutex<Value>>,
+}
+
+impl<Task:Send+'static,Value:Clone+Send+'static> Worker<Task,Value> {
+    fn new<F:Fn(Task)->Value+Send+'static>(value:Value,f:F) -> Self {
+        let (sender, receiver) = mpsc::channel::<Task>();
+        let ret=Self {
+            sender,
+            value:Arc::new(Mutex::new(value)),
+        };
+        let value=ret.value.clone();
+        thread::spawn(move || {
+            loop {
+                match receiver.recv() {
+                    Ok(task) => {
+                        println!("Worker got a task");
+                        // Process the task
+                        *value.lock()=f(task);
+                    }
+                    Err(_) => {
+                        println!("Worker stopping.",);
+                        break;
+                    }
+                }
+            }
+        });
+        ret
+    }
+
+    fn send(&self,task:Task)->Result<(), mpsc::SendError<Task>>{
+        self.sender.send(task)
+    }
+
+    fn grab_clone(&self)->Value{
+        self.value.lock().clone()
+    }
+}
+
+#[test]//How to run this test with printing: cargo test --release -- --nocapture
+fn test_worker() {
+    println!("hiiiii");
+    // Create the worker thread
+    let worker = Worker::new(crate::body::Body::with_pva(glam::Vec3::ZERO,glam::Vec3::ZERO,glam::Vec3::ZERO),
+        |_|crate::body::Body::with_pva(glam::Vec3::ONE,glam::Vec3::ONE,glam::Vec3::ONE)
+    );
+
+    // Send tasks to the worker
+    for i in 0..5 {
+        let task = crate::instruction::TimedInstruction{
+            time:0,
+            instruction:crate::body::PhysicsInstruction::StrafeTick,
+        };
+        worker.send(task).unwrap();
+    }
+
+    // Optional: Signal the worker to stop (in a real-world scenario)
+    // sender.send("STOP".to_string()).unwrap();
+
+    // Sleep to allow the worker thread to finish processing
+    thread::sleep(std::time::Duration::from_secs(2));
+
+    // Send a new task
+    let task = crate::instruction::TimedInstruction{
+        time:0,
+        instruction:crate::body::PhysicsInstruction::StrafeTick,
+    };
+    worker.send(task).unwrap();
+
+    println!("value={:?}",worker.grab_clone());
+
+    // wait long enough to see print from final task
+    thread::sleep(std::time::Duration::from_secs(1));
+}