schedule frames at a fixed interval

Cargo.toml

@@ -18,8 +18,8 @@ rbx_binary = "0.7.1"
 rbx_dom_weak = "2.5.0"
 rbx_reflection_database = "0.2.7"
 rbx_xml = "0.13.1"
-wgpu = "0.17.0"
-winit = "0.28.6"
+wgpu = "0.18.0"
+winit = { version = "0.29.2", features = ["rwh_05"] }
 
 #[profile.release]
 #lto = true

src/bvh.rs

@@ -9,22 +9,34 @@ use crate::aabb::Aabb;
 //start with bisection into octrees because a bad bvh is still 1000x better than no bvh
 //sort the centerpoints on each axis (3 lists)
 //bv is put into octant based on whether it is upper or lower in each list
+enum BvhNodeContent{
+	Branch(Vec<BvhNode>),
+	Leaf(usize),
+}
+impl Default for BvhNodeContent{
+	fn default()->Self{
+		Self::Branch(Vec::new())
+	}
+}
 #[derive(Default)]
 pub struct BvhNode{
-	children:Vec<Self>,
-	models:Vec<usize>,
+	content:BvhNodeContent,
 	aabb:Aabb,
 }
 
 impl BvhNode{
 	pub fn the_tester<F:FnMut(usize)>(&self,aabb:&Aabb,f:&mut F){
-		for &model in &self.models{
-			f(model);
-		}
-		for child in &self.children{
-			if aabb.intersects(&child.aabb){
-				child.the_tester(aabb,f);
-			}
+		match &self.content{
+			&BvhNodeContent::Leaf(model)=>f(model),
+			BvhNodeContent::Branch(children)=>for child in children{
+				//this test could be moved outside the match statement
+				//but that would test the root node aabb
+				//you're probably not going to spend a lot of time outside the map,
+				//so the test is extra work for nothing
+				if aabb.intersects(&child.aabb){
+					child.the_tester(aabb,f);
+				}
+			},
 		}
 	}
 }
@@ -37,10 +49,15 @@ fn generate_bvh_node(boxen:Vec<(usize,Aabb)>)->BvhNode{
 	let n=boxen.len();
 	if n<20{
 		let mut aabb=Aabb::default();
-		let models=boxen.into_iter().map(|b|{aabb.join(&b.1);b.0}).collect();
+		let nodes=boxen.into_iter().map(|b|{
+			aabb.join(&b.1);
+			BvhNode{
+				content:BvhNodeContent::Leaf(b.0),
+				aabb:b.1,
+			}
+		}).collect();
 		BvhNode{
-			children:Vec::new(),
-			models,
+			content:BvhNodeContent::Branch(nodes),
 			aabb,
 		}
 	}else{
@@ -99,8 +116,7 @@ fn generate_bvh_node(boxen:Vec<(usize,Aabb)>)->BvhNode{
 			node
 		}).collect();
 		BvhNode{
-			children,
-			models:Vec::new(),
+			content:BvhNodeContent::Branch(children),
 			aabb,
 		}
 	}

src/compat_worker.rs

@@ -0,0 +1,21 @@
+pub type QNWorker<'a,Task>=CompatNWorker<'a,Task>;
+pub type INWorker<'a,Task>=CompatNWorker<'a,Task>;
+
+pub struct CompatNWorker<'a,Task>{
+	data:std::marker::PhantomData<Task>,
+	f:Box<dyn FnMut(Task)+Send+'a>,
+}
+
+impl<'a,Task> CompatNWorker<'a,Task>{
+	pub fn new(f:impl FnMut(Task)+Send+'a)->CompatNWorker<'a,Task>{
+		Self{
+			data:std::marker::PhantomData,
+			f:Box::new(f),
+		}
+	}
+
+	pub fn send(&mut self,task:Task)->Result<(),()>{
+		(self.f)(task);
+		Ok(())
+	}
+}

src/graphics.rs

@@ -1,30 +1,38 @@
 use std::borrow::Cow;
 use wgpu::{util::DeviceExt,AstcBlock,AstcChannel};
-use crate::model_graphics::{GraphicsVertex,ModelGraphicsColor4,ModelGraphicsInstance,ModelGraphicsSingleTexture,IndexedModelGraphicsSingleTexture,IndexedGroupFixedTexture};
+use crate::model_graphics::{GraphicsVertex,GraphicsModelColor4,GraphicsModelInstance,GraphicsModelSingleTexture,IndexedGraphicsModelSingleTexture,IndexedGroupFixedTexture};
 
 #[derive(Clone)]
-pub struct ModelUpdate{
+pub struct GraphicsModelUpdate{
 	transform:Option<glam::Mat4>,
 	color:Option<glam::Vec4>,
 }
 
-#[derive(Clone)]
-pub enum GraphicsInstruction{
-	UpdateModel(ModelUpdate),
-	Render,
+struct Entity{
+	index_count:u32,
+	index_buf:wgpu::Buffer,
+}
+fn create_entities<T:bytemuck::Pod>(device:&wgpu::Device,entities:&Vec<Vec<T>>)->Vec<Entity>{
+	entities.iter().map(|indices|{
+		let index_buf=device.create_buffer_init(&wgpu::util::BufferInitDescriptor{
+			label:Some("Index"),
+			contents:bytemuck::cast_slice(indices),
+			usage:wgpu::BufferUsages::INDEX,
+		});
+		Entity{
+			index_buf,
+			index_count:indices.len() as u32,
+		}
+	}).collect()
 }
 
-struct Entity {
-	index_count: u32,
-	index_buf: wgpu::Buffer,
-}
-
-struct ModelGraphics {
-	instances: Vec<ModelGraphicsInstance>,
-	vertex_buf: wgpu::Buffer,
-	entities: Vec<Entity>,
-	bind_group: wgpu::BindGroup,
-	model_buf: wgpu::Buffer,
+struct GraphicsModel{
+	entities:Vec<Entity>,
+	model_buf:wgpu::Buffer,
+	vertex_buf:wgpu::Buffer,
+	bind_group:wgpu::BindGroup,
+	index_format:wgpu::IndexFormat,
+	instances:Vec<GraphicsModelInstance>,
 }
 
 pub struct GraphicsSamplers{
@@ -63,12 +71,6 @@ fn perspective_rh(fov_x_slope: f32, fov_y_slope: f32, z_near: f32, z_far: f32) -
 	)
 }
 impl GraphicsCamera{
-	pub fn new(screen_size:glam::UVec2,fov:glam::Vec2)->Self{
-		Self{
-			screen_size,
-			fov,
-		}
-	}
 	pub fn proj(&self)->glam::Mat4{
 		perspective_rh(self.fov.x, self.fov.y, 0.5, 2000.0)
 	}
@@ -91,6 +93,14 @@ impl GraphicsCamera{
 		raw
 	}
 }
+impl std::default::Default for GraphicsCamera{
+	fn default()->Self{
+		Self{
+			screen_size:glam::UVec2::ONE,
+			fov:glam::Vec2::ONE,
+		}
+	}
+}
 
 pub struct GraphicsState{
 	pipelines: GraphicsPipelines,
@@ -100,7 +110,7 @@ pub struct GraphicsState{
 	camera:GraphicsCamera,
 	camera_buf: wgpu::Buffer,
 	temp_squid_texture_view: wgpu::TextureView,
-	models: Vec<ModelGraphics>,
+	models: Vec<GraphicsModel>,
 	depth_view: wgpu::TextureView,
 	staging_belt: wgpu::util::StagingBelt,
 }
@@ -134,7 +144,7 @@ impl GraphicsState{
 	pub fn load_user_settings(&mut self,user_settings:&crate::settings::UserSettings){
 		self.camera.fov=user_settings.calculate_fov(1.0,&self.camera.screen_size).as_vec2();
 	}
-	fn generate_model_graphics(&mut self,device:&wgpu::Device,queue:&wgpu::Queue,indexed_models:crate::model::IndexedModelInstances){
+	pub fn generate_models(&mut self,device:&wgpu::Device,queue:&wgpu::Queue,indexed_models:crate::model::IndexedModelInstances){
 		//generate texture view per texture
 
 		//idk how to do this gooder lol
@@ -204,15 +214,15 @@ impl GraphicsState{
 		let indexed_models_len=indexed_models.models.len();
 		let mut unique_texture_models=Vec::with_capacity(indexed_models_len);
 		for model in indexed_models.models.into_iter(){
-			//convert ModelInstance into ModelGraphicsInstance
-			let instances:Vec<ModelGraphicsInstance>=model.instances.into_iter().filter_map(|instance|{
+			//convert ModelInstance into GraphicsModelInstance
+			let instances:Vec<GraphicsModelInstance>=model.instances.into_iter().filter_map(|instance|{
 				if instance.color.w==0.0{
 					None
 				}else{
-					Some(ModelGraphicsInstance{
+					Some(GraphicsModelInstance{
 						transform: instance.transform.into(),
 						normal_transform: Into::<glam::Mat3>::into(instance.transform.matrix3).inverse().transpose(),
-						color:ModelGraphicsColor4::from(instance.color),
+						color:GraphicsModelColor4::from(instance.color),
 					})
 				}
 			}).collect();
@@ -231,7 +241,7 @@ impl GraphicsState{
 					//create new texture_index
 					let texture_index=unique_textures.len();
 					unique_textures.push(group.texture);
-					unique_texture_models.push(IndexedModelGraphicsSingleTexture{
+					unique_texture_models.push(IndexedGraphicsModelSingleTexture{
 						unique_pos:model.unique_pos.iter().map(|&v|*Into::<glam::Vec3>::into(v).as_ref()).collect(),
 						unique_tex:model.unique_tex.iter().map(|v|*v.as_ref()).collect(),
 						unique_normal:model.unique_normal.iter().map(|&v|*Into::<glam::Vec3>::into(v).as_ref()).collect(),
@@ -365,10 +375,10 @@ impl GraphicsState{
 						//creating the vertex map is slightly different because the vertices are directly hashable
 						let map_vertex_id:Vec<u32>=model.unique_vertices.iter().map(|unmapped_vertex|{
 							let vertex=crate::model::IndexedVertex{
-								pos:map_pos_id[unmapped_vertex.pos as usize] as u32,
-								tex:map_tex_id[unmapped_vertex.tex as usize] as u32,
-								normal:map_normal_id[unmapped_vertex.normal as usize] as u32,
-								color:map_color_id[unmapped_vertex.color as usize] as u32,
+								pos:map_pos_id[unmapped_vertex.pos as usize],
+								tex:map_tex_id[unmapped_vertex.tex as usize],
+								normal:map_normal_id[unmapped_vertex.normal as usize],
+								color:map_color_id[unmapped_vertex.color as usize],
 							};
 							(if let Some(&vertex_id)=vertex_id_from.get(&vertex){
 								vertex_id
@@ -386,7 +396,7 @@ impl GraphicsState{
 						}
 					}
 					//push model into dedup
-					deduplicated_models.push(IndexedModelGraphicsSingleTexture{
+					deduplicated_models.push(IndexedGraphicsModelSingleTexture{
 						unique_pos,
 						unique_tex,
 						unique_normal,
@@ -396,7 +406,7 @@ impl GraphicsState{
 						groups:vec![IndexedGroupFixedTexture{
 							polys
 						}],
-						instances:vec![ModelGraphicsInstance{
+						instances:vec![GraphicsModelInstance{
 							transform:glam::Mat4::IDENTITY,
 							normal_transform:glam::Mat3::IDENTITY,
 							color
@@ -414,10 +424,9 @@ impl GraphicsState{
 
 		//de-index models
 		let deduplicated_models_len=deduplicated_models.len();
-		let models:Vec<ModelGraphicsSingleTexture>=deduplicated_models.into_iter().map(|model|{
+		let models:Vec<GraphicsModelSingleTexture>=deduplicated_models.into_iter().map(|model|{
 			let mut vertices = Vec::new();
 			let mut index_from_vertex = std::collections::HashMap::new();//::<IndexedVertex,usize>
-			let mut entities = Vec::new();
 			//this mut be combined in a more complex way if the models use different render patterns per group
 				let mut indices = Vec::new();
 			for group in model.groups {
@@ -428,7 +437,7 @@ impl GraphicsState{
 							if let Some(&i)=index_from_vertex.get(&vertex_index){
 								indices.push(i);
 							}else{
-								let i=vertices.len() as u16;
+								let i=vertices.len();
 								let vertex=&model.unique_vertices[vertex_index as usize];
 								vertices.push(GraphicsVertex{
 									pos: model.unique_pos[vertex.pos as usize],
@@ -443,18 +452,23 @@ impl GraphicsState{
 					}
 				}
 			}
-				entities.push(indices);
-			ModelGraphicsSingleTexture{
+			GraphicsModelSingleTexture{
 				instances:model.instances,
+				entities:if (u32::MAX as usize)<vertices.len(){
+					panic!("Model has too many vertices!")
+				}else if (u16::MAX as usize)<vertices.len(){
+					crate::model_graphics::Entities::U32(vec![indices.into_iter().map(|vertex_id|vertex_id as u32).collect()])
+				}else{
+					crate::model_graphics::Entities::U16(vec![indices.into_iter().map(|vertex_id|vertex_id as u16).collect()])
+				},
 				vertices,
-				entities,
 				texture:model.texture,
 			}
 		}).collect();
 		//.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=crate::graphics_context::required_limits().max_uniform_buffer_binding_size as usize;
+		let uniform_buffer_binding_size=crate::setup::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());
 		for model in models.into_iter() {
@@ -500,20 +514,17 @@ impl GraphicsState{
 					usage: wgpu::BufferUsages::VERTEX,
 				});
 				//all of these are being moved here
-				self.models.push(ModelGraphics{
+				self.models.push(GraphicsModel{
 					instances:instances_chunk.to_vec(),
 					vertex_buf,
-					entities: model.entities.iter().map(|indices|{
-						let index_buf = device.create_buffer_init(&wgpu::util::BufferInitDescriptor {
-							label: Some("Index"),
-							contents: bytemuck::cast_slice(&indices),
-							usage: wgpu::BufferUsages::INDEX,
-						});
-						Entity {
-							index_buf,
-							index_count: indices.len() as u32,
-						}
-					}).collect(),
+					index_format:match &model.entities{
+						crate::model_graphics::Entities::U32(_)=>wgpu::IndexFormat::Uint32,
+						crate::model_graphics::Entities::U16(_)=>wgpu::IndexFormat::Uint16,
+					},
+					entities:match &model.entities{
+						crate::model_graphics::Entities::U32(entities)=>create_entities(device,entities),
+						crate::model_graphics::Entities::U16(entities)=>create_entities(device,entities),
+					},
 					bind_group: model_bind_group,
 					model_buf,
 				});
@@ -528,10 +539,9 @@ impl GraphicsState{
 	}
 
 	pub fn new(
-		config: &wgpu::SurfaceConfiguration,
-		_adapter: &wgpu::Adapter,
-		device: &wgpu::Device,
-		queue: &wgpu::Queue,
+		device:&wgpu::Device,
+		queue:&wgpu::Queue,
+		config:&wgpu::SurfaceConfiguration,
 	)->Self{
 		let camera_bind_group_layout = device.create_bind_group_layout(&wgpu::BindGroupLayoutDescriptor {
 			label: None,
@@ -801,6 +811,7 @@ impl GraphicsState{
 			}),
 			primitive: wgpu::PrimitiveState {
 				front_face: wgpu::FrontFace::Cw,
+				cull_mode:Some(wgpu::Face::Front),
 				..Default::default()
 			},
 			depth_stencil: Some(wgpu::DepthStencilState {
@@ -814,14 +825,8 @@ impl GraphicsState{
 			multiview: None,
 		});
 
-		let mut physics = crate::physics::PhysicsState::default();
-
-		physics.load_user_settings(&user_settings);
-
-		let screen_size=glam::uvec2(config.width,config.height);
-
-		let camera=GraphicsCamera::new(screen_size,user_settings.calculate_fov(1.0,&screen_size).as_vec2());
-		let camera_uniforms = camera.to_uniform_data(physics.output().adjust_mouse(&crate::physics::MouseState::default()));
+		let camera=GraphicsCamera::default();
+		let camera_uniforms = camera.to_uniform_data(crate::physics::PhysicsOutputState::default().extrapolate(glam::IVec2::ZERO,crate::integer::Time::ZERO));
 		let camera_buf = device.create_buffer_init(&wgpu::util::BufferInitDescriptor {
 			label: Some("Camera"),
 			contents: bytemuck::cast_slice(&camera_uniforms),
@@ -876,32 +881,30 @@ impl GraphicsState{
 	}
 	pub fn resize(
 		&mut self,
-		context:&crate::graphics_context::GraphicsContext,
+		device:&wgpu::Device,
+		config:&wgpu::SurfaceConfiguration,
+		user_settings:&crate::settings::UserSettings,
 	) {
-		self.depth_view = Self::create_depth_texture(&context.config,&context.device);
-		self.camera.screen_size=glam::uvec2(context.config.width, context.config.height);
-		self.load_user_settings(&self.user_settings);
+		self.depth_view=Self::create_depth_texture(config,device);
+		self.camera.screen_size=glam::uvec2(config.width,config.height);
+		self.load_user_settings(user_settings);
 	}
 	pub fn render(
 		&mut self,
-		view: &wgpu::TextureView,
-		device: &wgpu::Device,
-		queue: &wgpu::Queue,
+		view:&wgpu::TextureView,
+		device:&wgpu::Device,
+		queue:&wgpu::Queue,
+		physics_output:crate::physics::PhysicsOutputState,
+		predicted_time:crate::integer::Time,
+		mouse_pos:glam::IVec2,
 	) {
-		//ideally this would be scheduled to execute and finish right before the render.
-		let time=crate::integer::Time::from_nanos(self.start_time.elapsed().as_nanos() as i64);
-		self.physics_thread.send(crate::instruction::TimedInstruction{
-			time,
-			instruction:crate::render_thread::InputInstruction::Idle,
-		}).unwrap();
-		//update time lol
-		self.mouse.time=time;
+		//TODO: use scheduled frame times to create beautiful smoothing simulation physics extrapolation assuming no input
 
 		let mut encoder =
 			device.create_command_encoder(&wgpu::CommandEncoderDescriptor { label: None });
 
 		// update rotation
-		let camera_uniforms = self.camera.to_uniform_data(self.physics_thread.grab_clone().adjust_mouse(&self.mouse));
+		let camera_uniforms = self.camera.to_uniform_data(physics_output.extrapolate(mouse_pos,predicted_time));
 		self.staging_belt
 			.write_buffer(
 				&mut encoder,
@@ -941,17 +944,19 @@ impl GraphicsState{
 							b: 0.3,
 							a: 1.0,
 						}),
-						store: true,
+						store:wgpu::StoreOp::Store,
 					},
 				})],
 				depth_stencil_attachment: Some(wgpu::RenderPassDepthStencilAttachment {
 					view: &self.depth_view,
 					depth_ops: Some(wgpu::Operations {
 						load: wgpu::LoadOp::Clear(1.0),
-						store: false,
+						store:wgpu::StoreOp::Discard,
 					}),
 					stencil_ops: None,
 				}),
+				timestamp_writes:Default::default(),
+				occlusion_query_set:Default::default(),
 			});
 
 			rpass.set_bind_group(0, &self.bind_groups.camera, &[]);
@@ -962,9 +967,9 @@ impl GraphicsState{
 				rpass.set_bind_group(2, &model.bind_group, &[]);
 				rpass.set_vertex_buffer(0, model.vertex_buf.slice(..));
 
-				for entity in model.entities.iter() {
-					rpass.set_index_buffer(entity.index_buf.slice(..), wgpu::IndexFormat::Uint16);
-					rpass.draw_indexed(0..entity.index_count, 0, 0..model.instances.len() as u32);
+				for entity in model.entities.iter(){
+					rpass.set_index_buffer(entity.index_buf.slice(..),model.index_format);
+					rpass.draw_indexed(0..entity.index_count,0,0..model.instances.len() as u32);
 				}
 			}
 
@@ -979,22 +984,22 @@ impl GraphicsState{
 }
 const MODEL_BUFFER_SIZE:usize=4*4 + 12 + 4;//let size=std::mem::size_of::<ModelInstance>();
 const MODEL_BUFFER_SIZE_BYTES:usize=MODEL_BUFFER_SIZE*4;
-fn get_instances_buffer_data(instances:&[ModelGraphicsInstance]) -> Vec<f32> {
+fn get_instances_buffer_data(instances:&[GraphicsModelInstance]) -> Vec<f32> {
 	let mut raw = Vec::with_capacity(MODEL_BUFFER_SIZE*instances.len());
 	for (i,mi) in instances.iter().enumerate(){
-    	let mut v = raw.split_off(MODEL_BUFFER_SIZE*i);
-    	//model transform
-    	raw.extend_from_slice(&AsRef::<[f32; 4*4]>::as_ref(&mi.transform)[..]);
-    	//normal transform
-    	raw.extend_from_slice(AsRef::<[f32; 3]>::as_ref(&mi.normal_transform.x_axis));
-    	raw.extend_from_slice(&[0.0]);
-    	raw.extend_from_slice(AsRef::<[f32; 3]>::as_ref(&mi.normal_transform.y_axis));
-    	raw.extend_from_slice(&[0.0]);
-    	raw.extend_from_slice(AsRef::<[f32; 3]>::as_ref(&mi.normal_transform.z_axis));
-    	raw.extend_from_slice(&[0.0]);
-    	//color
-    	raw.extend_from_slice(AsRef::<[f32; 4]>::as_ref(&mi.color.get()));
-    	raw.append(&mut v);
+		let mut v = raw.split_off(MODEL_BUFFER_SIZE*i);
+		//model transform
+		raw.extend_from_slice(&AsRef::<[f32; 4*4]>::as_ref(&mi.transform)[..]);
+		//normal transform
+		raw.extend_from_slice(AsRef::<[f32; 3]>::as_ref(&mi.normal_transform.x_axis));
+		raw.extend_from_slice(&[0.0]);
+		raw.extend_from_slice(AsRef::<[f32; 3]>::as_ref(&mi.normal_transform.y_axis));
+		raw.extend_from_slice(&[0.0]);
+		raw.extend_from_slice(AsRef::<[f32; 3]>::as_ref(&mi.normal_transform.z_axis));
+		raw.extend_from_slice(&[0.0]);
+		//color
+		raw.extend_from_slice(AsRef::<[f32; 4]>::as_ref(&mi.color.get()));
+		raw.append(&mut v);
 	}
 	raw
-}
+}

src/graphics_worker.rs

@@ -0,0 +1,71 @@
+pub enum Instruction{
+	Render(crate::physics::PhysicsOutputState,crate::integer::Time,glam::IVec2),
+	//UpdateModel(crate::graphics::GraphicsModelUpdate),
+	Resize(winit::dpi::PhysicalSize<u32>,crate::settings::UserSettings),
+	GenerateModels(crate::model::IndexedModelInstances),
+	ClearModels,
+}
+
+//Ideally the graphics thread worker description is:
+/*
+WorkerDescription{
+	input:Immediate,
+	output:Realtime(PoolOrdering::Ordered(3)),
+}
+*/
+//up to three frames in flight, dropping new frame requests when all three are busy, and dropping output frames when one renders out of order
+
+pub fn new<'a>(
+		scope:&'a std::thread::Scope<'a,'_>,
+		mut graphics:crate::graphics::GraphicsState,
+		mut config:wgpu::SurfaceConfiguration,
+		surface:wgpu::Surface,
+		device:wgpu::Device,
+		queue:wgpu::Queue,
+	)->crate::worker::INWorker<'a,Instruction>{
+	let mut resize=None;
+	crate::worker::INWorker::new(scope,move |ins:Instruction|{
+		match ins{
+			Instruction::GenerateModels(indexed_model_instances)=>{
+				graphics.generate_models(&device,&queue,indexed_model_instances);
+			},
+			Instruction::ClearModels=>{
+				graphics.clear();
+			},
+			Instruction::Resize(size,user_settings)=>{
+				resize=Some((size,user_settings));
+			}
+			Instruction::Render(physics_output,predicted_time,mouse_pos)=>{
+				if let Some((size,user_settings))=&resize{
+					println!("Resizing to {:?}",size);
+					let t0=std::time::Instant::now();
+					config.width=size.width.max(1);
+					config.height=size.height.max(1);
+					surface.configure(&device,&config);
+					graphics.resize(&device,&config,user_settings);
+					println!("Resize took {:?}",t0.elapsed());
+				}
+				//clear every time w/e
+				resize=None;
+				//this has to go deeper somehow
+				let frame=match surface.get_current_texture(){
+					Ok(frame)=>frame,
+					Err(_)=>{
+						surface.configure(&device,&config);
+						surface
+							.get_current_texture()
+							.expect("Failed to acquire next surface texture!")
+					}
+				};
+				let view=frame.texture.create_view(&wgpu::TextureViewDescriptor{
+					format:Some(config.view_formats[0]),
+					..wgpu::TextureViewDescriptor::default()
+				});
+
+				graphics.render(&view,&device,&queue,physics_output,predicted_time,mouse_pos);
+
+				frame.present();
+			}
+		}
+	})
+}

src/integer.rs

@@ -41,6 +41,11 @@ impl std::fmt::Display for Time{
 		write!(f,"{}s+{:09}ns",self.0/Self::ONE_SECOND.0,self.0%Self::ONE_SECOND.0)
 	}
 }
+impl std::default::Default for Time{
+	fn default()->Self{
+		Self(0)
+	}
+}
 impl std::ops::Neg for Time{
 	type Output=Time;
 	#[inline]
@@ -310,8 +315,8 @@ impl Angle32{
 	pub fn clamp(&self,theta_min:Self,theta_max:Self)->Self{
 		//((max-min as u32)/2 as i32)+min
 		let midpoint=((
-			u32::from_ne_bytes(theta_max.0.to_ne_bytes())
-			.wrapping_sub(u32::from_ne_bytes(theta_min.0.to_ne_bytes()))
+			(theta_max.0 as u32)
+			.wrapping_sub(theta_min.0 as u32)
 			/2
 		) as i32)//(u32::MAX/2) as i32 ALWAYS works
 		.wrapping_add(theta_min.0);

src/load_roblox.rs

@@ -23,14 +23,6 @@ fn recursive_collect_superclass(objects: &mut std::vec::Vec<rbx_dom_weak::types:
 		}
 	}
 }
-fn get_texture_refs(dom:&rbx_dom_weak::WeakDom) -> Vec<rbx_dom_weak::types::Ref>{
-	let mut objects = std::vec::Vec::new();
-	recursive_collect_superclass(&mut objects, dom, dom.root(),"Decal");
-	//get ids
-	//clear vec
-	//next class
-	objects
-}
 fn planar64_affine3_from_roblox(cf:&rbx_dom_weak::types::CFrame,size:&rbx_dom_weak::types::Vector3)->Planar64Affine3{
 	Planar64Affine3::new(
 		Planar64Mat3::from_cols(
@@ -60,6 +52,7 @@ fn get_attributes(name:&str,can_collide:bool,velocity:Planar64Vec3,force_interse
 			force_can_collide=false;
 			general.accelerator=Some(crate::model::GameMechanicAccelerator{acceleration:velocity});
 		},
+		"UnorderedCheckpoint"=>general.checkpoint=Some(crate::model::GameMechanicCheckpoint::Unordered{mode_id:0}),
 		"SetVelocity"=>general.trajectory=Some(crate::model::GameMechanicSetTrajectory::Velocity(velocity)),
 		"MapFinish"=>{force_can_collide=false;general.zone=Some(crate::model::GameMechanicZone{mode_id:0,behaviour:crate::model::ZoneBehaviour::Finish})},
 		"MapAnticheat"=>{force_can_collide=false;general.zone=Some(crate::model::GameMechanicZone{mode_id:0,behaviour:crate::model::ZoneBehaviour::Anitcheat})},
@@ -118,6 +111,12 @@ fn get_attributes(name:&str,can_collide:bool,velocity:Planar64Vec3,force_interse
 					"WormholeIn"=>general.teleport_behaviour=Some(crate::model::TeleportBehaviour::Wormhole(crate::model::GameMechanicWormhole{destination_model_id:captures[2].parse::<u32>().unwrap()})),
 					_=>panic!("regex3[1] messed up bad"),
 				}
+			}else if let Some(captures)=lazy_regex::regex!(r"^(OrderedCheckpoint)(\d+)$")
+			.captures(other){
+				match &captures[1]{
+					"OrderedCheckpoint"=>general.checkpoint=Some(crate::model::GameMechanicCheckpoint::Ordered{mode_id:0,checkpoint_id:captures[2].parse::<u32>().unwrap()}),
+					_=>panic!("regex3[1] messed up bad"),
+				}
 			}
 		}
 	}
@@ -218,9 +217,9 @@ type RobloxWedgeDescription=[Option<RobloxFaceTextureDescription>;5];
 type RobloxCornerWedgeDescription=[Option<RobloxFaceTextureDescription>;5];
 #[derive(Clone,Eq,Hash,PartialEq)]
 enum RobloxBasePartDescription{
-	Sphere,
+	Sphere(RobloxPartDescription),
 	Part(RobloxPartDescription),
-	Cylinder,
+	Cylinder(RobloxPartDescription),
 	Wedge(RobloxWedgeDescription),
 	CornerWedge(RobloxCornerWedgeDescription),
 }
@@ -265,14 +264,12 @@ pub fn generate_indexed_models(dom:rbx_dom_weak::WeakDom) -> crate::model::Index
 						spawn_point=model_transform.transform_point3(Planar64Vec3::ZERO)+Planar64Vec3::Y*5/2;
 						Some(crate::model::TempIndexedAttributes::Start(crate::model::TempAttrStart{mode_id:0}))
 					},
-					"UnorderedCheckpoint"=>Some(crate::model::TempIndexedAttributes::UnorderedCheckpoint(crate::model::TempAttrUnorderedCheckpoint{mode_id:0})),
 					other=>{
-						let regman=lazy_regex::regex!(r"^(BonusStart|Spawn|ForceSpawn|OrderedCheckpoint|WormholeOut)(\d+)$");
+						let regman=lazy_regex::regex!(r"^(BonusStart|Spawn|ForceSpawn|WormholeOut)(\d+)$");
 						if let Some(captures) = regman.captures(other) {
 							match &captures[1]{
 								"BonusStart"=>Some(crate::model::TempIndexedAttributes::Start(crate::model::TempAttrStart{mode_id:captures[2].parse::<u32>().unwrap()})),
 								"Spawn"|"ForceSpawn"=>Some(crate::model::TempIndexedAttributes::Spawn(crate::model::TempAttrSpawn{mode_id:0,stage_id:captures[2].parse::<u32>().unwrap()})),
-								"OrderedCheckpoint"=>Some(crate::model::TempIndexedAttributes::OrderedCheckpoint(crate::model::TempAttrOrderedCheckpoint{mode_id:0,checkpoint_id:captures[2].parse::<u32>().unwrap()})),
 								"WormholeOut"=>Some(crate::model::TempIndexedAttributes::Wormhole(crate::model::TempAttrWormhole{wormhole_id:captures[2].parse::<u32>().unwrap()})),
 								_=>None,
 							}
@@ -301,6 +298,7 @@ pub fn generate_indexed_models(dom:rbx_dom_weak::WeakDom) -> crate::model::Index
 							panic!("Part has no Shape!");
 						}
 					},
+					"TrussPart"=>primitives::Primitives::Cube,
 					"WedgePart"=>primitives::Primitives::Wedge,
 					"CornerWedgePart"=>primitives::Primitives::CornerWedge,
 					_=>{
@@ -395,9 +393,9 @@ pub fn generate_indexed_models(dom:rbx_dom_weak::WeakDom) -> crate::model::Index
 					f5,//Cube::Front
 				]=part_texture_description;
 				let basepart_texture_description=match shape{
-					primitives::Primitives::Sphere=>RobloxBasePartDescription::Sphere,
+					primitives::Primitives::Sphere=>RobloxBasePartDescription::Sphere([f0,f1,f2,f3,f4,f5]),
 					primitives::Primitives::Cube=>RobloxBasePartDescription::Part([f0,f1,f2,f3,f4,f5]),
-					primitives::Primitives::Cylinder=>RobloxBasePartDescription::Cylinder,
+					primitives::Primitives::Cylinder=>RobloxBasePartDescription::Cylinder([f0,f1,f2,f3,f4,f5]),
 					//use front face texture first and use top face texture as a fallback
 					primitives::Primitives::Wedge=>RobloxBasePartDescription::Wedge([
 						f0,//Cube::Right->Wedge::Right
@@ -423,9 +421,10 @@ pub fn generate_indexed_models(dom:rbx_dom_weak::WeakDom) -> crate::model::Index
 					let model_id=indexed_models.len();
 					model_id_from_description.insert(basepart_texture_description.clone(),model_id);//borrow checker going crazy
 					indexed_models.push(match basepart_texture_description{
-						RobloxBasePartDescription::Sphere=>primitives::unit_sphere(),
-						RobloxBasePartDescription::Part(part_texture_description)=>{
-							let mut cube_face_description=primitives::CubeFaceDescription::new();
+						RobloxBasePartDescription::Sphere(part_texture_description)
+						|RobloxBasePartDescription::Cylinder(part_texture_description)
+						|RobloxBasePartDescription::Part(part_texture_description)=>{
+							let mut cube_face_description=primitives::CubeFaceDescription::default();
 							for (face_id,roblox_face_description) in part_texture_description.iter().enumerate(){
 								cube_face_description.insert(
 								match face_id{
@@ -444,9 +443,8 @@ pub fn generate_indexed_models(dom:rbx_dom_weak::WeakDom) -> crate::model::Index
 							}
 							primitives::generate_partial_unit_cube(cube_face_description)
 						},
-						RobloxBasePartDescription::Cylinder=>primitives::unit_cylinder(),
 						RobloxBasePartDescription::Wedge(wedge_texture_description)=>{
-							let mut wedge_face_description=primitives::WedgeFaceDescription::new();
+							let mut wedge_face_description=primitives::WedgeFaceDescription::default();
 							for (face_id,roblox_face_description) in wedge_texture_description.iter().enumerate(){
 								wedge_face_description.insert(
 								match face_id{
@@ -465,7 +463,7 @@ pub fn generate_indexed_models(dom:rbx_dom_weak::WeakDom) -> crate::model::Index
 							primitives::generate_partial_unit_wedge(wedge_face_description)
 						},
 						RobloxBasePartDescription::CornerWedge(cornerwedge_texture_description)=>{
-							let mut cornerwedge_face_description=primitives::CornerWedgeFaceDescription::new();
+							let mut cornerwedge_face_description=primitives::CornerWedgeFaceDescription::default();
 							for (face_id,roblox_face_description) in cornerwedge_texture_description.iter().enumerate(){
 								cornerwedge_face_description.insert(
 								match face_id{

src/main.rs

@@ -1,11 +1,7 @@
-use std::time::Instant;
-use physics::PhysicsInstruction;
-use render_thread::InputInstruction;
-use instruction::{TimedInstruction, InstructionConsumer};
-
 mod bvh;
 mod aabb;
 mod model;
+mod setup;
 mod window;
 mod worker;
 mod zeroes;
@@ -16,27 +12,10 @@ mod settings;
 mod primitives;
 mod instruction;
 mod load_roblox;
-mod render_thread;
+mod compat_worker;
 mod model_graphics;
-mod graphics_context;
-
-
-pub struct GlobalState{
-	start_time: std::time::Instant,
-	manual_mouse_lock:bool,
-	mouse:std::sync::Arc<std::sync::Mutex<physics::MouseState>>,
-	user_settings:settings::UserSettings,
-	//Ideally the graphics thread worker description is:
-	/*
-	WorkerDescription{
-		input:Immediate,
-		output:Realtime(PoolOrdering::Ordered(3)),
-	}
-	*/
-	//up to three frames in flight, dropping new frame requests when all three are busy, and dropping output frames when one renders out of order
-	graphics_thread:worker::INWorker<graphics::GraphicsInstruction>,
-	physics_thread:worker::QNWorker<TimedInstruction<InputInstruction>>,
-}
+mod physics_worker;
+mod graphics_worker;
 
 fn load_file(path: std::path::PathBuf)->Option<model::IndexedModelInstances>{
 	println!("Loading file: {:?}", &path);
@@ -83,7 +62,7 @@ fn load_file(path: std::path::PathBuf)->Option<model::IndexedModelInstances>{
 	}
 }
 
-fn default_models()->model::IndexedModelInstances{
+pub fn default_models()->model::IndexedModelInstances{
 	let mut indexed_models = Vec::new();
 	indexed_models.append(&mut model::generate_indexed_model_list_from_obj(obj::ObjData::load_buf(&include_bytes!("../models/teslacyberv3.0.obj")[..]).unwrap(),glam::Vec4::ONE));
 	indexed_models.push(primitives::unit_sphere());
@@ -139,49 +118,7 @@ fn default_models()->model::IndexedModelInstances{
 	}
 }
 
-impl GlobalState {
-	fn init() -> Self {
-		//wee
-		let user_settings=settings::read_user_settings();
-
-		let mut graphics=GraphicsState::new();
-
-		graphics.load_user_settings(&user_settings);
-
-		//how to multithread
-
-		//1. build
-		physics.generate_models(&indexed_model_instances);
-
-		//2. move
-		let physics_thread=physics.into_worker();
-
-		//3. forget
-
-		let mut state=GlobalState{
-			start_time:Instant::now(),
-			manual_mouse_lock:false,
-			mouse:physics::MouseState::default(),
-			user_settings,
-			graphics,
-			physics_thread,
-		};
-		state.generate_model_graphics(&device,&queue,indexed_model_instances);
-
-		let args:Vec<String>=std::env::args().collect();
-		if args.len()==2{
-			let indexed_model_instances=load_file(std::path::PathBuf::from(&args[1]));
-			state.render_thread=RenderThread::new(user_settings,indexed_model_instances);
-		}
-
-		return state;
-	}
-}
-
 fn main(){
-	let title=format!("Strafe Client v{}",env!("CARGO_PKG_VERSION")).as_str();
-	let context=graphics_context::setup(title);
-	let global_state=GlobalState::init();//new
-	global_state.replace_models(&context,default_models());
-	context.start(global_state);
+	let context=setup::setup(format!("Strafe Client v{}",env!("CARGO_PKG_VERSION")).as_str());
+	context.start();//creates and runs a window context
 }

src/model.rs

@@ -50,10 +50,10 @@ pub struct IndexedModelInstances{
 }
 //stage description referencing flattened ids is spooky, but the map loading is meant to be deterministic.
 pub struct ModeDescription{
+	//TODO: put "default" style modifiers in mode
+	//pub style:StyleModifiers,
 	pub start:usize,//start=model_id
 	pub spawns:Vec<usize>,//spawns[spawn_id]=model_id
-	pub ordered_checkpoints:Vec<usize>,//ordered_checkpoints[checkpoint_id]=model_id
-	pub unordered_checkpoints:Vec<usize>,//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>,
 }
@@ -61,9 +61,6 @@ impl ModeDescription{
 	pub fn get_spawn_model_id(&self,stage_id:u32)->Option<&usize>{
 		self.spawns.get(*self.spawn_from_stage_id.get(&stage_id)?)
 	}
-	pub fn get_ordered_checkpoint_model_id(&self,checkpoint_id:u32)->Option<&usize>{
-		self.ordered_checkpoints.get(*self.ordered_checkpoint_from_checkpoint_id.get(&checkpoint_id)?)
-	}
 }
 //I don't want this code to exist!
 #[derive(Clone)]
@@ -76,23 +73,12 @@ pub struct TempAttrSpawn{
 	pub stage_id:u32,
 }
 #[derive(Clone)]
-pub struct TempAttrOrderedCheckpoint{
-	pub mode_id:u32,
-	pub checkpoint_id:u32,
-}
-#[derive(Clone)]
-pub struct TempAttrUnorderedCheckpoint{
-	pub mode_id:u32,
-}
-#[derive(Clone)]
 pub struct TempAttrWormhole{
 	pub wormhole_id:u32,
 }
 pub enum TempIndexedAttributes{
 	Start(TempAttrStart),
 	Spawn(TempAttrSpawn),
-	OrderedCheckpoint(TempAttrOrderedCheckpoint),
-	UnorderedCheckpoint(TempAttrUnorderedCheckpoint),
 	Wormhole(TempAttrWormhole),
 }
 
@@ -126,6 +112,16 @@ pub enum GameMechanicBooster{
 	Energy{direction:Planar64Vec3,energy:Planar64},//increase energy in direction
 }
 #[derive(Clone)]
+pub enum GameMechanicCheckpoint{
+	Ordered{
+		mode_id:u32,
+		checkpoint_id:u32,
+	},
+	Unordered{
+		mode_id:u32,
+	},
+}
+#[derive(Clone)]
 pub enum TrajectoryChoice{
 	HighArcLongDuration,//underhand lob at target: less horizontal speed and more air time
 	LowArcShortDuration,//overhand throw at target: more horizontal speed and less air time
@@ -171,6 +167,13 @@ pub enum StageElementBehaviour{
  	Trigger,
  	Teleport,
  	Platform,
+ 	//Acts like a trigger if you haven't hit all the checkpoints.
+ 	Checkpoint{
+ 		//if this is 2 you must have hit OrderedCheckpoint(0) OrderedCheckpoint(1) OrderedCheckpoint(2) to pass
+ 		ordered_checkpoint_id:Option<u32>,
+ 		//if this is 2 you must have hit at least 2 UnorderedCheckpoints to pass
+ 		unordered_checkpoint_count:u32,
+ 	},
  	JumpLimit(u32),
  	//Speedtrap(TrapCondition),//Acts as a trigger with a speed condition
 }
@@ -199,15 +202,17 @@ pub enum TeleportBehaviour{
 pub struct GameMechanicAttributes{
 	pub zone:Option<GameMechanicZone>,
 	pub booster:Option<GameMechanicBooster>,
+	pub checkpoint:Option<GameMechanicCheckpoint>,
 	pub trajectory:Option<GameMechanicSetTrajectory>,
 	pub teleport_behaviour:Option<TeleportBehaviour>,
 	pub accelerator:Option<GameMechanicAccelerator>,
 }
 impl GameMechanicAttributes{
 	pub fn any(&self)->bool{
-		self.booster.is_some()
+		self.zone.is_some()
+		||self.booster.is_some()
+		||self.checkpoint.is_some()
 		||self.trajectory.is_some()
-		||self.zone.is_some()
 		||self.teleport_behaviour.is_some()
 		||self.accelerator.is_some()
 	}

src/model_graphics.rs

@@ -11,7 +11,7 @@ pub struct GraphicsVertex {
 pub struct IndexedGroupFixedTexture{
 	pub polys:Vec<IndexedPolygon>,
 }
-pub struct IndexedModelGraphicsSingleTexture{
+pub struct IndexedGraphicsModelSingleTexture{
 	pub unique_pos:Vec<[f32; 3]>,
 	pub unique_tex:Vec<[f32; 2]>,
 	pub unique_normal:Vec<[f32; 3]>,
@@ -19,37 +19,41 @@ pub struct IndexedModelGraphicsSingleTexture{
 	pub unique_vertices:Vec<IndexedVertex>,
 	pub texture:Option<u32>,//RenderPattern? material/texture/shader/flat color
 	pub groups: Vec<IndexedGroupFixedTexture>,
-	pub instances:Vec<ModelGraphicsInstance>,
+	pub instances:Vec<GraphicsModelInstance>,
 }
-pub struct ModelGraphicsSingleTexture{
-	pub instances: Vec<ModelGraphicsInstance>,
-	pub vertices: Vec<GraphicsVertex>,
-	pub entities: Vec<Vec<u16>>,
-	pub texture: Option<u32>,
+pub enum Entities{
+	U32(Vec<Vec<u32>>),
+	U16(Vec<Vec<u16>>),
+}
+pub struct GraphicsModelSingleTexture{
+	pub instances:Vec<GraphicsModelInstance>,
+	pub vertices:Vec<GraphicsVertex>,
+	pub entities:Entities,
+	pub texture:Option<u32>,
 }
 #[derive(Clone,PartialEq)]
-pub struct ModelGraphicsColor4(glam::Vec4);
-impl ModelGraphicsColor4{
+pub struct GraphicsModelColor4(glam::Vec4);
+impl GraphicsModelColor4{
 	pub const fn get(&self)->glam::Vec4{
 		self.0
 	}
 }
-impl From<glam::Vec4> for ModelGraphicsColor4{
+impl From<glam::Vec4> for GraphicsModelColor4{
 	fn from(value:glam::Vec4)->Self{
 		Self(value)
 	}
 }
-impl std::hash::Hash for ModelGraphicsColor4{
+impl std::hash::Hash for GraphicsModelColor4{
 	fn hash<H: std::hash::Hasher>(&self,state:&mut H) {
 		for &f in self.0.as_ref(){
 			bytemuck::cast::<f32,u32>(f).hash(state);
 		}
 	}
 }
-impl Eq for ModelGraphicsColor4{}
+impl Eq for GraphicsModelColor4{}
 #[derive(Clone)]
-pub struct ModelGraphicsInstance{
+pub struct GraphicsModelInstance{
 	pub transform:glam::Mat4,
 	pub normal_transform:glam::Mat3,
-	pub color:ModelGraphicsColor4,
-}
+	pub color:GraphicsModelColor4,
+}

src/physics.rs

@@ -31,9 +31,12 @@ pub enum PhysicsInputInstruction {
 	SetZoom(bool),
 	Reset,
 	Idle,
+		//Idle: there were no input events, but the simulation is safe to advance to this timestep
+		//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,Hash)]
+#[derive(Clone,Hash,Default)]
 pub struct Body {
 	position: Planar64Vec3,//I64 where 2^32 = 1 u
 	velocity: Planar64Vec3,//I64 where 2^32 = 1 u/s
@@ -152,7 +155,7 @@ impl Default for Modes{
 }
 
 struct PhysicsModels{
-	models:Vec<ModelPhysics>,
+	models:Vec<PhysicsModel>,
 	model_id_from_wormhole_id:std::collections::HashMap::<u32,usize>,
 }
 impl PhysicsModels{
@@ -160,13 +163,13 @@ impl PhysicsModels{
 		self.models.clear();
 		self.model_id_from_wormhole_id.clear();
 	}
-	fn get(&self,i:usize)->Option<&ModelPhysics>{
+	fn get(&self,i:usize)->Option<&PhysicsModel>{
 		self.models.get(i)
 	}
-	fn get_wormhole_model(&self,wormhole_id:u32)->Option<&ModelPhysics>{
+	fn get_wormhole_model(&self,wormhole_id:u32)->Option<&PhysicsModel>{
 		self.models.get(*self.model_id_from_wormhole_id.get(&wormhole_id)?)
 	}
-	fn push(&mut self,model:ModelPhysics)->usize{
+	fn push(&mut self,model:PhysicsModel)->usize{
 		let model_id=self.models.len();
 		self.models.push(model);
 		model_id
@@ -182,8 +185,7 @@ impl Default for PhysicsModels{
 }
 
 #[derive(Clone)]
-pub struct PhysicsCamera {
-	offset: Planar64Vec3,
+pub struct PhysicsCamera{
 	//punch: Planar64Vec3,
 	//punch_velocity: Planar64Vec3,
 	sensitivity:Ratio64Vec2,//dots to Angle32 ratios
@@ -201,16 +203,6 @@ pub struct PhysicsCamera {
 }
 
 impl PhysicsCamera {
-	pub fn from_offset(offset:Planar64Vec3) -> Self {
-		Self{
-			offset,
-			sensitivity:Ratio64Vec2::ONE*200_000,
-			mouse:MouseState::default(),//t=0 does not cause divide by zero because it's immediately replaced
-			clamped_mouse_pos:glam::IVec2::ZERO,
-			angle_pitch_lower_limit:-Angle32::FRAC_PI_2,
-			angle_pitch_upper_limit:Angle32::FRAC_PI_2,
-		}
-	}
 	pub fn move_mouse(&mut self,mouse_pos:glam::IVec2){
 		let mut unclamped_mouse_pos=self.clamped_mouse_pos+mouse_pos-self.mouse.pos;
 		unclamped_mouse_pos.y=unclamped_mouse_pos.y.clamp(
@@ -241,14 +233,31 @@ impl PhysicsCamera {
 	}
 }
 
+impl std::default::Default for PhysicsCamera{
+	fn default()->Self{
+		Self{
+			sensitivity:Ratio64Vec2::ONE*200_000,
+			mouse:MouseState::default(),//t=0 does not cause divide by zero because it's immediately replaced
+			clamped_mouse_pos:glam::IVec2::ZERO,
+			angle_pitch_lower_limit:-Angle32::FRAC_PI_2,
+			angle_pitch_upper_limit:Angle32::FRAC_PI_2,
+		}
+	}
+}
+
 pub struct GameMechanicsState{
-	pub stage_id:u32,
-	//jump_counts:HashMap<u32,u32>,
+	stage_id:u32,
+	jump_counts:std::collections::HashMap<usize,u32>,//model_id -> jump count
+	next_ordered_checkpoint_id:u32,//which OrderedCheckpoint model_id you must pass next (if 0 you haven't passed OrderedCheckpoint0)
+	unordered_checkpoints:std::collections::HashSet<usize>,//hashset of UnorderedCheckpoint model ids
 }
 impl std::default::Default for GameMechanicsState{
-	fn default() -> Self {
+	fn default()->Self{
 		Self{
 			stage_id:0,
+			next_ordered_checkpoint_id:0,
+			unordered_checkpoints:std::collections::HashSet::new(),
+			jump_counts:std::collections::HashMap::new(),
 		}
 	}
 }
@@ -272,10 +281,23 @@ enum JumpImpulse{
 //Energy means it adds energy
 //Linear means it linearly adds on
 
+enum EnableStrafe{
+	Always,
+	MaskAny(u32),//hsw, shsw
+	MaskAll(u32),
+	//Function(Box<dyn Fn(u32)->bool>),
+}
+
+struct StrafeSettings{
+	enable:EnableStrafe,
+	air_accel_limit:Option<Planar64>,
+	tick_rate:Ratio64,
+}
+
 struct StyleModifiers{
-	controls_mask:u32,//controls which are unable to be activated
-	controls_held:u32,//controls which must be active to be able to strafe
-	strafe_tick_rate:Ratio64,
+	controls_used:u32,//controls which are allowed to pass into gameplay
+	controls_mask:u32,//controls which are masked from control state (e.g. jump in scroll style)
+	strafe:Option<StrafeSettings>,
 	jump_impulse:JumpImpulse,
 	jump_calculation:JumpCalculation,
 	static_friction:Planar64,
@@ -288,12 +310,13 @@ struct StyleModifiers{
 	swim_speed:Planar64,
 	mass:Planar64,
 	mv:Planar64,
-	air_accel_limit:Option<Planar64>,
+	rocket_force:Option<Planar64>,
 	gravity:Planar64Vec3,
 	hitbox_halfsize:Planar64Vec3,
+	camera_offset:Planar64Vec3,
 }
 impl std::default::Default for StyleModifiers{
-	fn default() -> Self {
+	fn default()->Self{
 		Self::roblox_bhop()
 	}
 }
@@ -313,9 +336,13 @@ impl StyleModifiers{
 
 	fn new()->Self{
 		Self{
+			controls_used:!0,
 			controls_mask:!0,//&!(Self::CONTROL_MOVEUP|Self::CONTROL_MOVEDOWN),
-			controls_held:0,
-			strafe_tick_rate:Ratio64::new(128,Time::ONE_SECOND.nanos() as u64).unwrap(),
+			strafe:Some(StrafeSettings{
+				enable:EnableStrafe::Always,
+				air_accel_limit:None,
+				tick_rate:Ratio64::new(128,Time::ONE_SECOND.nanos() as u64).unwrap(),
+			}),
 			jump_impulse:JumpImpulse::FromEnergy(Planar64::int(512)),
 			jump_calculation:JumpCalculation::Energy,
 			gravity:Planar64Vec3::int(0,-80,0),
@@ -323,7 +350,7 @@ impl StyleModifiers{
 			kinetic_friction:Planar64::int(3),//unrealistic: kinetic friction is typically lower than static
 			mass:Planar64::int(1),
 			mv:Planar64::int(2),
-			air_accel_limit:None,
+			rocket_force:None,
 			walk_speed:Planar64::int(16),
 			walk_accel:Planar64::int(80),
 			ladder_speed:Planar64::int(16),
@@ -331,14 +358,19 @@ impl StyleModifiers{
 			ladder_dot:(Planar64::int(1)/2).sqrt(),
 			swim_speed:Planar64::int(12),
 			hitbox_halfsize:Planar64Vec3::int(2,5,2)/2,
+			camera_offset:Planar64Vec3::int(0,2,0),//4.5-2.5=2
 		}
 	}
 
 	fn roblox_bhop()->Self{
 		Self{
+			controls_used:!0,
 			controls_mask:!0,//&!(Self::CONTROL_MOVEUP|Self::CONTROL_MOVEDOWN),
-			controls_held:0,
-			strafe_tick_rate:Ratio64::new(100,Time::ONE_SECOND.nanos() as u64).unwrap(),
+			strafe:Some(StrafeSettings{
+				enable:EnableStrafe::Always,
+				air_accel_limit:None,
+				tick_rate:Ratio64::new(100,Time::ONE_SECOND.nanos() as u64).unwrap(),
+			}),
 			jump_impulse:JumpImpulse::FromTime(Time::from_micros(715_588)),
 			jump_calculation:JumpCalculation::Capped,
 			gravity:Planar64Vec3::int(0,-100,0),
@@ -346,7 +378,7 @@ impl StyleModifiers{
 			kinetic_friction:Planar64::int(3),//unrealistic: kinetic friction is typically lower than static
 			mass:Planar64::int(1),
 			mv:Planar64::int(27)/10,
-			air_accel_limit:None,
+			rocket_force:None,
 			walk_speed:Planar64::int(18),
 			walk_accel:Planar64::int(90),
 			ladder_speed:Planar64::int(18),
@@ -354,13 +386,18 @@ impl StyleModifiers{
 			ladder_dot:(Planar64::int(1)/2).sqrt(),
 			swim_speed:Planar64::int(12),
 			hitbox_halfsize:Planar64Vec3::int(2,5,2)/2,
+			camera_offset:Planar64Vec3::int(0,2,0),//4.5-2.5=2
 		}
 	}
 	fn roblox_surf()->Self{
 		Self{
+			controls_used:!0,
 			controls_mask:!0,//&!(Self::CONTROL_MOVEUP|Self::CONTROL_MOVEDOWN),
-			controls_held:0,
-			strafe_tick_rate:Ratio64::new(100,Time::ONE_SECOND.nanos() as u64).unwrap(),
+			strafe:Some(StrafeSettings{
+				enable:EnableStrafe::Always,
+				air_accel_limit:None,
+				tick_rate:Ratio64::new(100,Time::ONE_SECOND.nanos() as u64).unwrap(),
+			}),
 			jump_impulse:JumpImpulse::FromTime(Time::from_micros(715_588)),
 			jump_calculation:JumpCalculation::Capped,
 			gravity:Planar64Vec3::int(0,-50,0),
@@ -368,7 +405,7 @@ impl StyleModifiers{
 			kinetic_friction:Planar64::int(3),//unrealistic: kinetic friction is typically lower than static
 			mass:Planar64::int(1),
 			mv:Planar64::int(27)/10,
-			air_accel_limit:None,
+			rocket_force:None,
 			walk_speed:Planar64::int(18),
 			walk_accel:Planar64::int(90),
 			ladder_speed:Planar64::int(18),
@@ -376,15 +413,19 @@ impl StyleModifiers{
 			ladder_dot:(Planar64::int(1)/2).sqrt(),
 			swim_speed:Planar64::int(12),
 			hitbox_halfsize:Planar64Vec3::int(2,5,2)/2,
+			camera_offset:Planar64Vec3::int(0,2,0),//4.5-2.5=2
 		}
 	}
 
 	fn source_bhop()->Self{
-		//camera_offset=vec3(0,64/16-73/16/2,0),
 		Self{
+			controls_used:!0,
 			controls_mask:!0,//&!(Self::CONTROL_MOVEUP|Self::CONTROL_MOVEDOWN),
-			controls_held:0,
-			strafe_tick_rate:Ratio64::new(100,Time::ONE_SECOND.nanos() as u64).unwrap(),
+			strafe:Some(StrafeSettings{
+				enable:EnableStrafe::Always,
+				air_accel_limit:Some(Planar64::raw(150<<28)*66),
+				tick_rate:Ratio64::new(100,Time::ONE_SECOND.nanos() as u64).unwrap(),
+			}),
 			jump_impulse:JumpImpulse::FromHeight(Planar64::raw(52<<28)),
 			jump_calculation:JumpCalculation::Linear,
 			gravity:Planar64Vec3::raw(0,-800<<28,0),
@@ -392,7 +433,7 @@ impl StyleModifiers{
 			kinetic_friction:Planar64::int(3),//?
 			mass:Planar64::int(1),
 			mv:Planar64::raw(30<<28),
-			air_accel_limit:Some(Planar64::raw(150<<28)*66),
+			rocket_force:None,
 			walk_speed:Planar64::int(18),//?
 			walk_accel:Planar64::int(90),//?
 			ladder_speed:Planar64::int(18),//?
@@ -400,14 +441,18 @@ impl StyleModifiers{
 			ladder_dot:(Planar64::int(1)/2).sqrt(),//?
 			swim_speed:Planar64::int(12),//?
 			hitbox_halfsize:Planar64Vec3::raw(33<<28,73<<28,33<<28)/2,
+			camera_offset:Planar64Vec3::raw(0,(64<<28)-(73<<27),0),
 		}
 	}
 	fn source_surf()->Self{
-		//camera_offset=vec3(0,64/16-73/16/2,0),
 		Self{
+			controls_used:!0,
 			controls_mask:!0,//&!(Self::CONTROL_MOVEUP|Self::CONTROL_MOVEDOWN),
-			controls_held:0,
-			strafe_tick_rate:Ratio64::new(66,Time::ONE_SECOND.nanos() as u64).unwrap(),
+			strafe:Some(StrafeSettings{
+				enable:EnableStrafe::Always,
+				air_accel_limit:Some(Planar64::raw(150<<28)*66),
+				tick_rate:Ratio64::new(66,Time::ONE_SECOND.nanos() as u64).unwrap(),
+			}),
 			jump_impulse:JumpImpulse::FromHeight(Planar64::raw(52<<28)),
 			jump_calculation:JumpCalculation::Linear,
 			gravity:Planar64Vec3::raw(0,-800<<28,0),
@@ -415,7 +460,7 @@ impl StyleModifiers{
 			kinetic_friction:Planar64::int(3),//?
 			mass:Planar64::int(1),
 			mv:Planar64::raw(30<<28),
-			air_accel_limit:Some(Planar64::raw(150<<28)*66),
+			rocket_force:None,
 			walk_speed:Planar64::int(18),//?
 			walk_accel:Planar64::int(90),//?
 			ladder_speed:Planar64::int(18),//?
@@ -423,6 +468,30 @@ impl StyleModifiers{
 			ladder_dot:(Planar64::int(1)/2).sqrt(),//?
 			swim_speed:Planar64::int(12),//?
 			hitbox_halfsize:Planar64Vec3::raw(33<<28,73<<28,33<<28)/2,
+			camera_offset:Planar64Vec3::raw(0,(64<<28)-(73<<27),0),
+		}
+	}
+	fn roblox_rocket()->Self{
+		Self{
+			controls_used:!0,
+			controls_mask:!0,
+			strafe:None,
+			jump_impulse:JumpImpulse::FromTime(Time::from_micros(715_588)),
+			jump_calculation:JumpCalculation::Capped,
+			gravity:Planar64Vec3::int(0,-100,0),
+			static_friction:Planar64::int(2),
+			kinetic_friction:Planar64::int(3),//unrealistic: kinetic friction is typically lower than static
+			mass:Planar64::int(1),
+			mv:Planar64::int(27)/10,
+			rocket_force:Some(Planar64::int(200)),
+			walk_speed:Planar64::int(18),
+			walk_accel:Planar64::int(90),
+			ladder_speed:Planar64::int(18),
+			ladder_accel:Planar64::int(180),
+			ladder_dot:(Planar64::int(1)/2).sqrt(),
+			swim_speed:Planar64::int(12),
+			hitbox_halfsize:Planar64Vec3::int(2,5,2)/2,
+			camera_offset:Planar64Vec3::int(0,2,0),//4.5-2.5=2
 		}
 	}
 
@@ -430,13 +499,19 @@ impl StyleModifiers{
 		controls&self.controls_mask&control==control
 	}
 
+	fn allow_strafe(&self,controls:u32)->bool{
+		//disable strafing according to strafe settings
+		match &self.strafe{
+			Some(StrafeSettings{enable:EnableStrafe::Always,air_accel_limit:_,tick_rate:_})=>true,
+			&Some(StrafeSettings{enable:EnableStrafe::MaskAny(mask),air_accel_limit:_,tick_rate:_})=>mask&controls!=0,
+			&Some(StrafeSettings{enable:EnableStrafe::MaskAll(mask),air_accel_limit:_,tick_rate:_})=>mask&controls==mask,
+			None=>false,
+		}
+	}
+
 	fn get_control_dir(&self,controls:u32)->Planar64Vec3{
 		//don't get fancy just do it
 		let mut control_dir:Planar64Vec3 = Planar64Vec3::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 {
@@ -492,10 +567,9 @@ impl StyleModifiers{
 		// return cross(cross(Normal,ControlDir),Normal)/sqrt(1-d*d)
 		control_dir*self.walk_speed
 	}
-	fn get_propulsion_target_velocity(&self,camera:&PhysicsCamera,controls:u32,next_mouse:&MouseState,time:Time)->Planar64Vec3{
+	fn get_propulsion_control_dir(&self,camera:&PhysicsCamera,controls:u32,next_mouse:&MouseState,time:Time)->Planar64Vec3{
 		let camera_mat=camera.simulate_move_rotation(camera.mouse.lerp(&next_mouse,time));
-		let control_dir=camera_mat*self.get_control_dir(controls);
-		control_dir*self.walk_speed
+		camera_mat*self.get_control_dir(controls)
 	}
 }
 
@@ -527,14 +601,15 @@ pub struct PhysicsState{
 	//This is not the same as Reset which teleports you to Spawn0
 	spawn_point:Planar64Vec3,
 }
-#[derive(Clone)]
+#[derive(Clone,Default)]
 pub struct PhysicsOutputState{
-	camera:PhysicsCamera,
 	body:Body,
+	camera:PhysicsCamera,
+	camera_offset:Planar64Vec3,
 }
 impl PhysicsOutputState{
-	pub fn adjust_mouse(&self,mouse:&MouseState)->(glam::Vec3,glam::Vec2){
-		((self.body.extrapolated_position(mouse.time)+self.camera.offset).into(),self.camera.simulate_move_angles(mouse.pos))
+	pub fn extrapolate(&self,mouse_pos:glam::IVec2,time:Time)->(glam::Vec3,glam::Vec2){
+		((self.body.extrapolated_position(time)+self.camera_offset).into(),self.camera.simulate_move_angles(mouse_pos))
 	}
 }
 
@@ -553,7 +628,7 @@ enum PhysicsCollisionAttributes{
 	},
 }
 
-pub struct ModelPhysics {
+pub struct PhysicsModel {
 	//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,
@@ -561,7 +636,7 @@ pub struct ModelPhysics {
 	attributes:PhysicsCollisionAttributes,
 }
 
-impl ModelPhysics {
+impl PhysicsModel {
 	fn from_model_transform_attributes(model:&crate::model::IndexedModel,transform:&crate::integer::Planar64Affine3,attributes:PhysicsCollisionAttributes)->Self{
 		let mut aabb=TreyMesh::default();
 		for indexed_vertex in &model.unique_vertices {
@@ -575,8 +650,8 @@ impl ModelPhysics {
 	}
 	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::Contact{contacting,general}=>Some(PhysicsModel::from_model_transform_attributes(model,&instance.transform,PhysicsCollisionAttributes::Contact{contacting:contacting.clone(),general:general.clone()})),
+			crate::model::CollisionAttributes::Intersect{intersecting,general}=>Some(PhysicsModel::from_model_transform_attributes(model,&instance.transform,PhysicsCollisionAttributes::Intersect{intersecting:intersecting.clone(),general:general.clone()})),
 			crate::model::CollisionAttributes::Decoration=>None,
 		}
 	}
@@ -603,10 +678,10 @@ pub struct RelativeCollision {
 }
 
 impl RelativeCollision {
-	fn model<'a>(&self,models:&'a PhysicsModels)->Option<&'a ModelPhysics>{
+	fn model<'a>(&self,models:&'a PhysicsModels)->Option<&'a PhysicsModel>{
 		models.get(self.model)
 	}
-	// pub fn mesh(&self,models:&Vec<ModelPhysics>) -> TreyMesh {
+	// pub fn mesh(&self,models:&Vec<PhysicsModel>) -> TreyMesh {
 	// 	return self.model(models).unwrap().face_mesh(self.face).clone()
 	// }
 	fn normal(&self,models:&PhysicsModels) -> Planar64Vec3 {
@@ -693,19 +768,19 @@ impl std::fmt::Display for Body{
 }
 
 impl Default for PhysicsState{
-	fn default() -> Self {
+	fn default()->Self{
  		Self{
 			spawn_point:Planar64Vec3::int(0,50,0),
-			body: Body::with_pva(Planar64Vec3::int(0,50,0),Planar64Vec3::int(0,0,0),Planar64Vec3::int(0,-100,0)),
-			time: Time::ZERO,
+			body:Body::with_pva(Planar64Vec3::int(0,50,0),Planar64Vec3::int(0,0,0),Planar64Vec3::int(0,-100,0)),
+			time:Time::ZERO,
 			style:StyleModifiers::default(),
 			touching:TouchingState::default(),
 			models:PhysicsModels::default(),
 			bvh:crate::bvh::BvhNode::default(),
 			move_state: MoveState::Air,
-			camera: PhysicsCamera::from_offset(Planar64Vec3::int(0,2,0)),//4.5-2.5=2
-			next_mouse: MouseState::default(),
-			controls: 0,
+			camera:PhysicsCamera::default(),
+			next_mouse:MouseState::default(),
+			controls:0,
 			world:WorldState{},
 			game:GameMechanicsState::default(),
 			modes:Modes::default(),
@@ -718,12 +793,14 @@ impl PhysicsState {
 		self.models.clear();
 		self.modes.clear();
 		self.touching.clear();
+		self.bvh=crate::bvh::BvhNode::default();
 	}
 
 	pub fn output(&self)->PhysicsOutputState{
 		PhysicsOutputState{
 			body:self.body.clone(),
 			camera:self.camera.clone(),
+			camera_offset:self.style.camera_offset.clone(),
 		}
 	}
 
@@ -739,19 +816,15 @@ impl PhysicsState {
 	pub fn generate_models(&mut self,indexed_models:&crate::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)=ModelPhysics::from_model(model,model_instance){
+				if let Some(model_physics)=PhysicsModel::from_model(model,model_instance){
 					let model_id=self.models.push(model_physics);
 					for attr in &model_instance.temp_indexing{
 						match attr{
 							crate::model::TempIndexedAttributes::Start(s)=>starts.push((model_id,s.clone())),
 							crate::model::TempIndexedAttributes::Spawn(s)=>spawns.push((model_id,s.clone())),
-							crate::model::TempIndexedAttributes::OrderedCheckpoint(s)=>ordered_checkpoints.push((model_id,s.clone())),
-							crate::model::TempIndexedAttributes::UnorderedCheckpoint(s)=>unordered_checkpoints.push((model_id,s.clone())),
 							crate::model::TempIndexedAttributes::Wormhole(s)=>{self.models.model_id_from_wormhole_id.insert(s.wormhole_id,model_id);},
 						}
 					}
@@ -763,9 +836,9 @@ impl PhysicsState {
 		//this code builds ModeDescriptions from the unsorted lists at the top of the function
 		starts.sort_by_key(|tup|tup.1.mode_id);
 		let mut mode_id_from_map_mode_id=std::collections::HashMap::new();
-		let mut modedatas:Vec<(usize,Vec<(u32,usize)>,Vec<(u32,usize)>,Vec<usize>,u32)>=starts.into_iter().enumerate().map(|(i,(model_id,s))|{
+		let mut modedatas:Vec<(usize,Vec<(u32,usize)>,u32)>=starts.into_iter().enumerate().map(|(i,(model_id,s))|{
 			mode_id_from_map_mode_id.insert(s.mode_id,i);
-			(model_id,Vec::new(),Vec::new(),Vec::new(),s.mode_id)
+			(model_id,Vec::new(),s.mode_id)
 		}).collect();
 		for (model_id,s) in spawns{
 			if let Some(mode_id)=mode_id_from_map_mode_id.get(&s.mode_id){
@@ -774,30 +847,13 @@ impl PhysicsState {
 				}
 			}
 		}
-		for (model_id,s) in ordered_checkpoints{
-			if let Some(mode_id)=mode_id_from_map_mode_id.get(&s.mode_id){
-				if let Some(modedata)=modedatas.get_mut(*mode_id){
-					modedata.2.push((s.checkpoint_id,model_id));
-				}
-			}
-		}
-		for (model_id,s) in unordered_checkpoints{
-			if let Some(mode_id)=mode_id_from_map_mode_id.get(&s.mode_id){
-				if let Some(modedata)=modedatas.get_mut(*mode_id){
-					modedata.3.push(model_id);
-				}
-			}
-		}
 		for mut tup in modedatas.into_iter(){
 			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();
-			self.modes.insert(tup.4,crate::model::ModeDescription{
+			self.modes.insert(tup.2,crate::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,
 			});
@@ -838,12 +894,14 @@ impl PhysicsState {
 		}
 	}
 
-	fn next_strafe_instruction(&self) -> Option<TimedInstruction<PhysicsInstruction>> {
-		return Some(TimedInstruction{
-			time:Time::from_nanos(self.style.strafe_tick_rate.rhs_div_int(self.style.strafe_tick_rate.mul_int(self.time.nanos())+1)),
-			//only poll the physics if there is a before and after mouse event
-			instruction:PhysicsInstruction::StrafeTick
-		});
+	fn next_strafe_instruction(&self)->Option<TimedInstruction<PhysicsInstruction>>{
+		self.style.strafe.as_ref().map(|strafe|{
+			TimedInstruction{
+				time:Time::from_nanos(strafe.tick_rate.rhs_div_int(strafe.tick_rate.mul_int(self.time.nanos())+1)),
+				//only poll the physics if there is a before and after mouse event
+				instruction:PhysicsInstruction::StrafeTick
+			}
+		})
 	}
 
 	//state mutated on collision:
@@ -877,16 +935,20 @@ impl PhysicsState {
 	// 	});
 	// }
 
-	fn refresh_walk_target(&mut self){
+	fn refresh_walk_target(&mut self)->Option<Planar64Vec3>{
 		match &mut self.move_state{
-			MoveState::Air|MoveState::Water=>(),
+			MoveState::Air|MoveState::Water=>None,
 			MoveState::Walk(WalkState{normal,state})=>{
 				let n=normal;
-				(*state,self.body.acceleration)=WalkEnum::with_target_velocity(&self.touching,&self.body,&self.style,&self.models,self.style.get_walk_target_velocity(&self.camera,self.controls,&self.next_mouse,self.time),&n);
+				let a;
+				(*state,a)=WalkEnum::with_target_velocity(&self.touching,&self.body,&self.style,&self.models,self.style.get_walk_target_velocity(&self.camera,self.controls,&self.next_mouse,self.time),&n);
+				Some(a)
 			},
 			MoveState::Ladder(WalkState{normal,state})=>{
 				let n=normal;
-				(*state,self.body.acceleration)=WalkEnum::with_target_velocity(&self.touching,&self.body,&self.style,&self.models,self.style.get_ladder_target_velocity(&self.camera,self.controls,&self.next_mouse,self.time),&n);
+				let a;
+				(*state,a)=WalkEnum::with_target_velocity(&self.touching,&self.body,&self.style,&self.models,self.style.get_ladder_target_velocity(&self.camera,self.controls,&self.next_mouse,self.time),&n);
+				Some(a)
 			},
 		}
 	}
@@ -1057,7 +1119,7 @@ impl PhysicsState {
 			},
 		}
 		//generate instruction
-		if let Some(face) = exit_face{
+		if let Some(_face) = exit_face{
 			return Some(TimedInstruction {
 				time: best_time,
 				instruction: PhysicsInstruction::CollisionEnd(collision_data.clone())
@@ -1222,8 +1284,13 @@ fn teleport(body:&mut Body,touching:&mut TouchingState,style:&StyleModifiers,poi
 	//TODO: calculate contacts and determine the actual state
 	//touching.recalculate(body);
 }
+fn teleport_to_spawn(body:&mut Body,touching:&mut TouchingState,style:&StyleModifiers,mode:&crate::model::ModeDescription,models:&PhysicsModels,stage_id:u32)->Option<MoveState>{
+	let model=models.get(*mode.get_spawn_model_id(stage_id)? as usize)?;
+	let point=model.transform.transform_point3(Planar64Vec3::Y)+Planar64Vec3::Y*(style.hitbox_halfsize.y()+Planar64::ONE/16);
+	Some(teleport(body,touching,style,point))
+}
 
-fn run_teleport_behaviour(teleport_behaviour:&Option<crate::model::TeleportBehaviour>,game:&mut GameMechanicsState,models:&PhysicsModels,modes:&Modes,style:&StyleModifiers,touching:&mut TouchingState,body:&mut Body,model:&ModelPhysics)->Option<MoveState>{
+fn run_teleport_behaviour(teleport_behaviour:&Option<crate::model::TeleportBehaviour>,game:&mut GameMechanicsState,models:&PhysicsModels,modes:&Modes,style:&StyleModifiers,touching:&mut TouchingState,body:&mut Body,model:&PhysicsModel)->Option<MoveState>{
 	match teleport_behaviour{
 		Some(crate::model::TeleportBehaviour::StageElement(stage_element))=>{
 			if stage_element.force||game.stage_id<stage_element.stage_id{
@@ -1234,12 +1301,24 @@ fn run_teleport_behaviour(teleport_behaviour:&Option<crate::model::TeleportBehav
 				crate::model::StageElementBehaviour::Trigger
 				|crate::model::StageElementBehaviour::Teleport=>{
 					//I guess this is correct behaviour when trying to teleport to a non-existent spawn but it's still weird
-					let model=models.get(*modes.get_mode(stage_element.mode_id)?.get_spawn_model_id(game.stage_id)? as usize)?;
-					let point=model.transform.transform_point3(Planar64Vec3::Y)+Planar64Vec3::Y*(style.hitbox_halfsize.y()+Planar64::ONE/16);
-					Some(teleport(body,touching,style,point))
+					teleport_to_spawn(body,touching,style,modes.get_mode(stage_element.mode_id)?,models,game.stage_id)
 				},
 				crate::model::StageElementBehaviour::Platform=>None,
-				crate::model::StageElementBehaviour::JumpLimit(_)=>None,//TODO
+				&crate::model::StageElementBehaviour::JumpLimit(jump_limit)=>{
+					//let count=game.jump_counts.get(&model.id);
+					//TODO
+					None
+				},
+				&crate::model::StageElementBehaviour::Checkpoint{ordered_checkpoint_id,unordered_checkpoint_count}=>{
+					if (ordered_checkpoint_id.is_none()||ordered_checkpoint_id.is_some_and(|id|id<game.next_ordered_checkpoint_id))
+						&&unordered_checkpoint_count<=game.unordered_checkpoints.len() as u32{
+						//pass
+						None
+					}else{
+						//fail
+						teleport_to_spawn(body,touching,style,modes.get_mode(stage_element.mode_id)?,models,game.stage_id)
+					}
+				},
 			}
 		},
 		Some(crate::model::TeleportBehaviour::Wormhole(wormhole))=>{
@@ -1314,7 +1393,7 @@ impl crate::instruction::InstructionConsumer<PhysicsInstruction> for PhysicsStat
 								match booster{
 									&crate::model::GameMechanicBooster::Affine(transform)=>v=transform.transform_point3(v),
 									&crate::model::GameMechanicBooster::Velocity(velocity)=>v+=velocity,
-									&crate::model::GameMechanicBooster::Energy{direction,energy}=>todo!(),
+									&crate::model::GameMechanicBooster::Energy{direction: _,energy: _}=>todo!(),
 								}
 								self.touching.constrain_velocity(&self.models,&mut v);
 							},
@@ -1325,10 +1404,10 @@ impl crate::instruction::InstructionConsumer<PhysicsInstruction> for PhysicsStat
 								match trajectory{
 									crate::model::GameMechanicSetTrajectory::AirTime(_) => todo!(),
 									crate::model::GameMechanicSetTrajectory::Height(_) => todo!(),
-									crate::model::GameMechanicSetTrajectory::TargetPointTime { target_point, time } => todo!(),
-									crate::model::GameMechanicSetTrajectory::TrajectoryTargetPoint { target_point, speed, trajectory_choice } => todo!(),
+									crate::model::GameMechanicSetTrajectory::TargetPointTime { target_point: _, time: _ } => todo!(),
+									crate::model::GameMechanicSetTrajectory::TrajectoryTargetPoint { target_point: _, speed: _, trajectory_choice: _ } => todo!(),
 									&crate::model::GameMechanicSetTrajectory::Velocity(velocity)=>v=velocity,
-									crate::model::GameMechanicSetTrajectory::DotVelocity { direction, dot } => todo!(),
+									crate::model::GameMechanicSetTrajectory::DotVelocity { direction: _, dot: _ } => todo!(),
 								}
 								self.touching.constrain_velocity(&self.models,&mut v);
 							},
@@ -1338,9 +1417,11 @@ impl crate::instruction::InstructionConsumer<PhysicsInstruction> for PhysicsStat
 						if self.style.get_control(StyleModifiers::CONTROL_JUMP,self.controls){
 							self.jump();
 						}
-						self.refresh_walk_target();
+						if let Some(a)=self.refresh_walk_target(){
+							self.body.acceleration=a;
+						}
 					},
-					PhysicsCollisionAttributes::Intersect{intersecting,general}=>{
+					PhysicsCollisionAttributes::Intersect{intersecting: _,general}=>{
 						//I think that setting the velocity to 0 was preventing surface contacts from entering an infinite loop
 						self.touching.insert_intersect(c.model,c);
 						run_teleport_behaviour(&general.teleport_behaviour,&mut self.game,&self.models,&self.modes,&self.style,&mut self.touching,&mut self.body,model);
@@ -1350,9 +1431,12 @@ impl crate::instruction::InstructionConsumer<PhysicsInstruction> for PhysicsStat
 			PhysicsInstruction::CollisionEnd(c) => {
 				let model=c.model(&self.models).unwrap();
 				match &model.attributes{
-					PhysicsCollisionAttributes::Contact{contacting,general}=>{
+					PhysicsCollisionAttributes::Contact{contacting: _,general: _}=>{
 						self.touching.remove_contact(c.model);//remove contact before calling contact_constrain_acceleration
 						let mut a=self.style.gravity;
+						if let Some(rocket_force)=self.style.rocket_force{
+							a+=self.style.get_propulsion_control_dir(&self.camera,self.controls,&self.next_mouse,self.time)*rocket_force;
+						}
 						self.touching.constrain_acceleration(&self.models,&mut a);
 						self.body.acceleration=a;
 						//check ground
@@ -1362,10 +1446,12 @@ impl crate::instruction::InstructionConsumer<PhysicsInstruction> for PhysicsStat
 								//TODO: make this more advanced checking contacts
 								self.move_state=MoveState::Air;
 							},
-							_=>self.refresh_walk_target(),
+							_=>if let Some(a)=self.refresh_walk_target(){
+								self.body.acceleration=a;
+							},
 						}
 					},
-					PhysicsCollisionAttributes::Intersect{intersecting,general}=>{
+					PhysicsCollisionAttributes::Intersect{intersecting: _,general: _}=>{
 						self.touching.remove_intersect(c.model);
 					},
 				}
@@ -1439,7 +1525,14 @@ impl crate::instruction::InstructionConsumer<PhysicsInstruction> for PhysicsStat
 					PhysicsInputInstruction::Idle => {refresh_walk_target=false;},//literally idle!
 				}
 				if refresh_walk_target{
-					self.refresh_walk_target();
+					if let Some(a)=self.refresh_walk_target(){
+						self.body.acceleration=a;
+					}else if let Some(rocket_force)=self.style.rocket_force{
+						let mut a=self.style.gravity;
+						a+=self.style.get_propulsion_control_dir(&self.camera,self.controls,&self.next_mouse,self.time)*rocket_force;
+						self.touching.constrain_acceleration(&self.models,&mut a);
+						self.body.acceleration=a;
+					}
 				}
 			},
 		}

src/physics_worker.rs

@@ -0,0 +1,134 @@
+use crate::integer::Time;
+use crate::physics::{MouseState,PhysicsInputInstruction};
+use crate::instruction::{TimedInstruction,InstructionConsumer};
+#[derive(Debug)]
+pub enum InputInstruction {
+	MoveMouse(glam::IVec2),
+	MoveRight(bool),
+	MoveUp(bool),
+	MoveBack(bool),
+	MoveLeft(bool),
+	MoveDown(bool),
+	MoveForward(bool),
+	Jump(bool),
+	Zoom(bool),
+	Reset,
+}
+pub enum Instruction{
+	Input(InputInstruction),
+	Render,
+	Resize(winit::dpi::PhysicalSize<u32>,crate::settings::UserSettings),
+	GenerateModels(crate::model::IndexedModelInstances),
+	ClearModels,
+	//Graphics(crate::graphics_worker::Instruction),
+}
+
+	pub fn new<'a>(scope:&'a std::thread::Scope<'a,'_>,mut physics:crate::physics::PhysicsState,graphics_worker:crate::worker::INWorker<'a,crate::graphics_worker::Instruction>)->crate::worker::QNWorker<'a,TimedInstruction<Instruction>>{
+		let mut mouse_blocking=true;
+		let mut last_mouse_time=physics.next_mouse.time;
+		let mut timeline=std::collections::VecDeque::new();
+		crate::worker::QNWorker::new(scope,move |ins:TimedInstruction<Instruction>|{
+			if if let Some(phys_input)=match &ins.instruction{
+				Instruction::Input(input_instruction)=>match input_instruction{
+					&InputInstruction::MoveMouse(m)=>{
+						if mouse_blocking{
+							//tell the game state which is living in the past about its future
+							timeline.push_front(TimedInstruction{
+								time:last_mouse_time,
+								instruction:PhysicsInputInstruction::SetNextMouse(MouseState{time:ins.time,pos:m}),
+							});
+						}else{
+							//mouse has just started moving again after being still for longer than 10ms.
+							//replace the entire mouse interpolation state to avoid an intermediate state with identical m0.t m1.t timestamps which will divide by zero
+							timeline.push_front(TimedInstruction{
+								time:last_mouse_time,
+								instruction:PhysicsInputInstruction::ReplaceMouse(
+									MouseState{time:last_mouse_time,pos:physics.next_mouse.pos},
+									MouseState{time:ins.time,pos:m}
+								),
+							});
+							//delay physics execution until we have an interpolation target
+							mouse_blocking=true;
+						}
+						last_mouse_time=ins.time;
+						None
+					},
+					&InputInstruction::MoveForward(s)=>Some(PhysicsInputInstruction::SetMoveForward(s)),
+					&InputInstruction::MoveLeft(s)=>Some(PhysicsInputInstruction::SetMoveLeft(s)),
+					&InputInstruction::MoveBack(s)=>Some(PhysicsInputInstruction::SetMoveBack(s)),
+					&InputInstruction::MoveRight(s)=>Some(PhysicsInputInstruction::SetMoveRight(s)),
+					&InputInstruction::MoveUp(s)=>Some(PhysicsInputInstruction::SetMoveUp(s)),
+					&InputInstruction::MoveDown(s)=>Some(PhysicsInputInstruction::SetMoveDown(s)),
+					&InputInstruction::Jump(s)=>Some(PhysicsInputInstruction::SetJump(s)),
+					&InputInstruction::Zoom(s)=>Some(PhysicsInputInstruction::SetZoom(s)),
+					InputInstruction::Reset=>Some(PhysicsInputInstruction::Reset),
+				},
+				Instruction::GenerateModels(_)=>Some(PhysicsInputInstruction::Idle),
+				Instruction::ClearModels=>Some(PhysicsInputInstruction::Idle),
+				Instruction::Resize(_,_)=>Some(PhysicsInputInstruction::Idle),
+				Instruction::Render=>Some(PhysicsInputInstruction::Idle),
+			}{
+				//non-mouse event
+				timeline.push_back(TimedInstruction{
+					time:ins.time,
+					instruction:phys_input,
+				});
+				
+				if mouse_blocking{
+					//assume the mouse has stopped moving after 10ms.
+					//shitty mice are 125Hz which is 8ms so this should cover that.
+					//setting this to 100us still doesn't print even though it's 10x lower than the polling rate,
+					//so mouse events are probably not handled separately from drawing and fire right before it :(
+					if Time::from_millis(10)<ins.time-physics.next_mouse.time{
+						//push an event to extrapolate no movement from
+						timeline.push_front(TimedInstruction{
+							time:last_mouse_time,
+							instruction:PhysicsInputInstruction::SetNextMouse(MouseState{time:ins.time,pos:physics.next_mouse.pos}),
+						});
+						last_mouse_time=ins.time;
+						//stop blocking. the mouse is not moving so the physics does not need to live in the past and wait for interpolation targets.
+						mouse_blocking=false;
+						true
+					}else{
+						false
+					}
+				}else{
+					//keep this up to date so that it can be used as a known-timestamp
+					//that the mouse was not moving when the mouse starts moving again
+					last_mouse_time=ins.time;
+					true
+				}
+			}else{
+				//mouse event
+				true
+			}{
+				//empty queue
+				while let Some(instruction)=timeline.pop_front(){
+					physics.run(instruction.time);
+					physics.process_instruction(TimedInstruction{
+						time:instruction.time,
+						instruction:crate::physics::PhysicsInstruction::Input(instruction.instruction),
+					});
+				}
+			}
+			match ins.instruction{
+				Instruction::Render=>{
+					let _=graphics_worker.send(crate::graphics_worker::Instruction::Render(physics.output(),ins.time,physics.next_mouse.pos));
+				},
+				Instruction::Resize(size,user_settings)=>{
+					//block!
+					graphics_worker.blocking_send(crate::graphics_worker::Instruction::Resize(size,user_settings)).unwrap();
+				},
+				Instruction::GenerateModels(indexed_model_instances)=>{
+					physics.generate_models(&indexed_model_instances);
+					physics.spawn(indexed_model_instances.spawn_point);
+					graphics_worker.send(crate::graphics_worker::Instruction::GenerateModels(indexed_model_instances)).unwrap();
+				},
+				Instruction::ClearModels=>{
+					physics.clear();
+					graphics_worker.send(crate::graphics_worker::Instruction::ClearModels).unwrap();
+				},
+				_=>(),
+			}
+		})
+	}

src/primitives.rs

@@ -126,17 +126,21 @@ const CORNERWEDGE_DEFAULT_NORMALS:[Planar64Vec3;5]=[
 	Planar64Vec3::int( 0,-1, 0),//CornerWedge::Bottom
 	Planar64Vec3::int( 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{
-	let mut indexed_model=crate::model::generate_indexed_model_list_from_obj(obj::ObjData::load_buf(&include_bytes!("../models/suzanne.obj")[..]).unwrap(),Color4::ONE).remove(0);
-	for pos in indexed_model.unique_pos.iter_mut(){
-		*pos=*pos/2;
-	}
-	indexed_model
+	unit_cube()
+}
+#[derive(Default)]
+pub struct CubeFaceDescription([Option<FaceDescription>;6]);
+impl CubeFaceDescription{
+	pub fn insert(&mut self,index:CubeFace,value:FaceDescription){
+		self.0[index as usize]=Some(value);
+	}
+	pub fn pairs(self)->std::iter::FilterMap<std::iter::Enumerate<std::array::IntoIter<Option<FaceDescription>,6>>,impl FnMut((usize,Option<FaceDescription>))->Option<(usize,FaceDescription)>>{
+		self.0.into_iter().enumerate().filter_map(|v|v.1.map(|u|(v.0,u)))
+	}
 }
-pub type CubeFaceDescription=std::collections::HashMap::<CubeFace,FaceDescription>;
 pub fn unit_cube()->crate::model::IndexedModel{
-	let mut t=CubeFaceDescription::new();
+	let mut t=CubeFaceDescription::default();
 	t.insert(CubeFace::Right,FaceDescription::default());
 	t.insert(CubeFace::Top,FaceDescription::default());
 	t.insert(CubeFace::Back,FaceDescription::default());
@@ -145,17 +149,21 @@ pub fn unit_cube()->crate::model::IndexedModel{
 	t.insert(CubeFace::Front,FaceDescription::default());
 	generate_partial_unit_cube(t)
 }
-const TEAPOT_TRANSFORM:crate::integer::Planar64Mat3=crate::integer::Planar64Mat3::int_from_cols_array([0,1,0, -1,0,0, 0,0,1]);
 pub fn unit_cylinder()->crate::model::IndexedModel{
-	let mut indexed_model=crate::model::generate_indexed_model_list_from_obj(obj::ObjData::load_buf(&include_bytes!("../models/teapot.obj")[..]).unwrap(),Color4::ONE).remove(0);
-	for pos in indexed_model.unique_pos.iter_mut(){
-		*pos=TEAPOT_TRANSFORM*(*pos)/10;
-	}
-	indexed_model
+	unit_cube()
+}
+#[derive(Default)]
+pub struct WedgeFaceDescription([Option<FaceDescription>;5]);
+impl WedgeFaceDescription{
+	pub fn insert(&mut self,index:WedgeFace,value:FaceDescription){
+		self.0[index as usize]=Some(value);
+	}
+	pub fn pairs(self)->std::iter::FilterMap<std::iter::Enumerate<std::array::IntoIter<Option<FaceDescription>,5>>,impl FnMut((usize,Option<FaceDescription>))->Option<(usize,FaceDescription)>>{
+		self.0.into_iter().enumerate().filter_map(|v|v.1.map(|u|(v.0,u)))
+	}
 }
-pub type WedgeFaceDescription=std::collections::HashMap::<WedgeFace,FaceDescription>;
 pub fn unit_wedge()->crate::model::IndexedModel{
-	let mut t=WedgeFaceDescription::new();
+	let mut t=WedgeFaceDescription::default();
 	t.insert(WedgeFace::Right,FaceDescription::default());
 	t.insert(WedgeFace::TopFront,FaceDescription::default());
 	t.insert(WedgeFace::Back,FaceDescription::default());
@@ -163,9 +171,18 @@ pub fn unit_wedge()->crate::model::IndexedModel{
 	t.insert(WedgeFace::Bottom,FaceDescription::default());
 	generate_partial_unit_wedge(t)
 }
-pub type CornerWedgeFaceDescription=std::collections::HashMap::<CornerWedgeFace,FaceDescription>;
+#[derive(Default)]
+pub struct CornerWedgeFaceDescription([Option<FaceDescription>;5]);
+impl CornerWedgeFaceDescription{
+	pub fn insert(&mut self,index:CornerWedgeFace,value:FaceDescription){
+		self.0[index as usize]=Some(value);
+	}
+	pub fn pairs(self)->std::iter::FilterMap<std::iter::Enumerate<std::array::IntoIter<Option<FaceDescription>,5>>,impl FnMut((usize,Option<FaceDescription>))->Option<(usize,FaceDescription)>>{
+		self.0.into_iter().enumerate().filter_map(|v|v.1.map(|u|(v.0,u)))
+	}
+}
 pub fn unit_cornerwedge()->crate::model::IndexedModel{
-	let mut t=CornerWedgeFaceDescription::new();
+	let mut t=CornerWedgeFaceDescription::default();
 	t.insert(CornerWedgeFace::Right,FaceDescription::default());
 	t.insert(CornerWedgeFace::TopBack,FaceDescription::default());
 	t.insert(CornerWedgeFace::TopLeft,FaceDescription::default());
@@ -189,18 +206,6 @@ impl std::default::Default for FaceDescription{
 		}
 	}
 }
-impl FaceDescription{
-	pub fn new(texture:u32,transform:glam::Affine2,color:Color4)->Self{
-		Self{texture:Some(texture),transform,color}
-	}
-	pub fn from_texture(texture:u32)->Self{
-		Self{
-			texture:Some(texture),
-			transform:glam::Affine2::IDENTITY,
-			color:Color4::ONE,
-		}
-	}
-}
 //TODO: it's probably better to use a shared vertex buffer between all primitives and use indexed rendering instead of generating a unique vertex buffer for each primitive.
 //implementation: put all roblox primitives into one model.groups <- this won't work but I forget why
 pub fn generate_partial_unit_cube(face_descriptions:CubeFaceDescription)->crate::model::IndexedModel{
@@ -212,7 +217,7 @@ pub fn generate_partial_unit_cube(face_descriptions:CubeFaceDescription)->crate:
 	let mut groups=Vec::new();
 	let mut transforms=Vec::new();
 	//note that on a cube every vertex is guaranteed to be unique, so there's no need to hash them against existing vertices.
-	for (face,face_description) in face_descriptions.into_iter(){
+	for (face_id,face_description) in face_descriptions.pairs(){
 		//assume that scanning short lists is faster than hashing.
 		let transform_index=if let Some(transform_index)=transforms.iter().position(|&transform|transform==face_description.transform){
 			transform_index
@@ -233,14 +238,6 @@ pub fn generate_partial_unit_cube(face_descriptions:CubeFaceDescription)->crate:
 			generated_color.push(face_description.color);
 			color_index
 		} as u32;
-		let face_id=match face{
-			CubeFace::Right => 0,
-			CubeFace::Top => 1,
-			CubeFace::Back => 2,
-			CubeFace::Left => 3,
-			CubeFace::Bottom => 4,
-			CubeFace::Front => 5,
-		};
 		//always push normal
 		let normal_index=generated_normal.len() as u32;
 		generated_normal.push(CUBE_DEFAULT_NORMALS[face_id]);
@@ -327,7 +324,7 @@ pub fn generate_partial_unit_wedge(face_descriptions:WedgeFaceDescription)->crat
 	let mut groups=Vec::new();
 	let mut transforms=Vec::new();
 	//note that on a cube every vertex is guaranteed to be unique, so there's no need to hash them against existing vertices.
-	for (face,face_description) in face_descriptions.into_iter(){
+	for (face_id,face_description) in face_descriptions.pairs(){
 		//assume that scanning short lists is faster than hashing.
 		let transform_index=if let Some(transform_index)=transforms.iter().position(|&transform|transform==face_description.transform){
 			transform_index
@@ -348,13 +345,6 @@ pub fn generate_partial_unit_wedge(face_descriptions:WedgeFaceDescription)->crat
 			generated_color.push(face_description.color);
 			color_index
 		} as u32;
-		let face_id=match face{
-			WedgeFace::Right => 0,
-			WedgeFace::TopFront => 1,
-			WedgeFace::Back => 2,
-			WedgeFace::Left => 3,
-			WedgeFace::Bottom => 4,
-		};
 		//always push normal
 		let normal_index=generated_normal.len() as u32;
 		generated_normal.push(WEDGE_DEFAULT_NORMALS[face_id]);
@@ -439,7 +429,7 @@ pub fn generate_partial_unit_cornerwedge(face_descriptions:CornerWedgeFaceDescri
 	let mut groups=Vec::new();
 	let mut transforms=Vec::new();
 	//note that on a cube every vertex is guaranteed to be unique, so there's no need to hash them against existing vertices.
-	for (face,face_description) in face_descriptions.into_iter(){
+	for (face_id,face_description) in face_descriptions.pairs(){
 		//assume that scanning short lists is faster than hashing.
 		let transform_index=if let Some(transform_index)=transforms.iter().position(|&transform|transform==face_description.transform){
 			transform_index
@@ -460,13 +450,6 @@ pub fn generate_partial_unit_cornerwedge(face_descriptions:CornerWedgeFaceDescri
 			generated_color.push(face_description.color);
 			color_index
 		} as u32;
-		let face_id=match face{
-			CornerWedgeFace::Right => 0,
-			CornerWedgeFace::TopBack => 1,
-			CornerWedgeFace::TopLeft => 2,
-			CornerWedgeFace::Bottom => 3,
-			CornerWedgeFace::Front => 4,
-		};
 		//always push normal
 		let normal_index=generated_normal.len() as u32;
 		generated_normal.push(CORNERWEDGE_DEFAULT_NORMALS[face_id]);

src/render_thread.rs

@@ -1,129 +0,0 @@
-use crate::integer::Time;
-use crate::physics::{MouseState,PhysicsInputInstruction};
-use crate::instruction::{TimedInstruction,InstructionConsumer};
-
-#[derive(Debug)]
-pub enum InputInstruction {
-	MoveMouse(glam::IVec2),
-	MoveRight(bool),
-	MoveUp(bool),
-	MoveBack(bool),
-	MoveLeft(bool),
-	MoveDown(bool),
-	MoveForward(bool),
-	Jump(bool),
-	Zoom(bool),
-	Reset,
-	Render,
-		//Idle: there were no input events, but the simulation is safe to advance to this timestep
-		//for interpolation / networking / playback reasons, most playback heads will always want
-		//to be 1 instruction ahead to generate the next state for interpolation.
-}
-
-pub struct RenderState{
-	physics:crate::physics::PhysicsState,
-	graphics:crate::graphics::GraphicsState,
-}
-impl RenderState{
-	pub fn new(user_settings:&crate::settings::UserSettings,indexed_model_instances:crate::model::IndexedModelInstances){
-
-		let mut physics=crate::physics::PhysicsState::default();
-		physics.spawn(indexed_model_instances.spawn_point);
-		physics.load_user_settings(user_settings);
-		physics.generate_models(&indexed_model_instances);
-
-		let mut graphics=Self::new_graphics_state();
-		graphics.load_user_settings(user_settings);
-		graphics.generate_models(indexed_model_instances);
-		//manual reset
-	}
-	pub fn into_worker(mut self)->crate::worker::CNWorker<TimedInstruction<InputInstruction>>{
-		let mut mouse_blocking=true;
-		let mut last_mouse_time=self.physics.next_mouse.time;
-		let mut timeline=std::collections::VecDeque::new();
-		crate::worker::CNWorker::new(move |ins:TimedInstruction<InputInstruction>|{
-			let mut render=false;
-			if if let Some(phys_input)=match ins.instruction{
-				InputInstruction::MoveMouse(m)=>{
-					if mouse_blocking{
-						//tell the game state which is living in the past about its future
-						timeline.push_front(TimedInstruction{
-							time:last_mouse_time,
-							instruction:PhysicsInputInstruction::SetNextMouse(MouseState{time:ins.time,pos:m}),
-						});
-					}else{
-						//mouse has just started moving again after being still for longer than 10ms.
-						//replace the entire mouse interpolation state to avoid an intermediate state with identical m0.t m1.t timestamps which will divide by zero
-						timeline.push_front(TimedInstruction{
-							time:last_mouse_time,
-							instruction:PhysicsInputInstruction::ReplaceMouse(
-								MouseState{time:last_mouse_time,pos:self.physics.next_mouse.pos},
-								MouseState{time:ins.time,pos:m}
-							),
-						});
-						//delay physics execution until we have an interpolation target
-						mouse_blocking=true;
-					}
-					last_mouse_time=ins.time;
-					None
-				},
-				InputInstruction::MoveForward(s)=>Some(PhysicsInputInstruction::SetMoveForward(s)),
-				InputInstruction::MoveLeft(s)=>Some(PhysicsInputInstruction::SetMoveLeft(s)),
-				InputInstruction::MoveBack(s)=>Some(PhysicsInputInstruction::SetMoveBack(s)),
-				InputInstruction::MoveRight(s)=>Some(PhysicsInputInstruction::SetMoveRight(s)),
-				InputInstruction::MoveUp(s)=>Some(PhysicsInputInstruction::SetMoveUp(s)),
-				InputInstruction::MoveDown(s)=>Some(PhysicsInputInstruction::SetMoveDown(s)),
-				InputInstruction::Jump(s)=>Some(PhysicsInputInstruction::SetJump(s)),
-				InputInstruction::Zoom(s)=>Some(PhysicsInputInstruction::SetZoom(s)),
-				InputInstruction::Reset=>Some(PhysicsInputInstruction::Reset),
-				InputInstruction::Render=>{render=true;Some(PhysicsInputInstruction::Idle)},
-			}{
-				//non-mouse event
-				timeline.push_back(TimedInstruction{
-					time:ins.time,
-					instruction:phys_input,
-				});
-				
-				if mouse_blocking{
-					//assume the mouse has stopped moving after 10ms.
-					//shitty mice are 125Hz which is 8ms so this should cover that.
-					//setting this to 100us still doesn't print even though it's 10x lower than the polling rate,
-					//so mouse events are probably not handled separately from drawing and fire right before it :(
-					if Time::from_millis(10)<ins.time-self.physics.next_mouse.time{
-						//push an event to extrapolate no movement from
-						timeline.push_front(TimedInstruction{
-							time:last_mouse_time,
-							instruction:PhysicsInputInstruction::SetNextMouse(MouseState{time:ins.time,pos:self.physics.next_mouse.pos}),
-						});
-						last_mouse_time=ins.time;
-						//stop blocking. the mouse is not moving so the physics does not need to live in the past and wait for interpolation targets.
-						mouse_blocking=false;
-						true
-					}else{
-						false
-					}
-				}else{
-					//keep this up to date so that it can be used as a known-timestamp
-					//that the mouse was not moving when the mouse starts moving again
-					last_mouse_time=ins.time;
-					true
-				}
-			}else{
-				//mouse event
-				true
-			}{
-				//empty queue
-				while let Some(instruction)=timeline.pop_front(){
-					self.physics.run(instruction.time);
-					self.physics.process_instruction(TimedInstruction{
-						time:instruction.time,
-						instruction:crate::physics::PhysicsInstruction::Input(instruction.instruction),
-					});
-				}
-			}
-			if render{
-				self.graphics.render();
-			}
-		})
-	}
-}

src/settings.rs

@@ -1,11 +1,14 @@
 use crate::integer::{Ratio64,Ratio64Vec2};
+#[derive(Clone)]
 struct Ratio{
 	ratio:f64,
 }
+#[derive(Clone)]
 enum DerivedFov{
 	FromScreenAspect,
 	FromAspect(Ratio),
 }
+#[derive(Clone)]
 enum Fov{
 	Exactly{x:f64,y:f64},
 	SpecifyXDeriveY{x:f64,y:DerivedFov},
@@ -16,9 +19,11 @@ impl Default for Fov{
 		Fov::SpecifyYDeriveX{x:DerivedFov::FromScreenAspect,y:1.0}
 	}
 }
+#[derive(Clone)]
 enum DerivedSensitivity{
 	FromRatio(Ratio64),
 }
+#[derive(Clone)]
 enum Sensitivity{
 	Exactly{x:Ratio64,y:Ratio64},
 	SpecifyXDeriveY{x:Ratio64,y:DerivedSensitivity},
@@ -30,7 +35,7 @@ impl Default for Sensitivity{
 	}
 }
 
-#[derive(Default)]
+#[derive(Default,Clone)]
 pub struct UserSettings{
 	fov:Fov,
 	sensitivity:Sensitivity,

src/setup.rs

@@ -1,54 +1,70 @@
-fn optional_features() -> wgpu::Features {
-	wgpu::Features::empty()
+use crate::instruction::TimedInstruction;
+use crate::window::WindowInstruction;
+
+fn optional_features()->wgpu::Features{
+	wgpu::Features::TEXTURE_COMPRESSION_ASTC
+	|wgpu::Features::TEXTURE_COMPRESSION_ETC2
 }
-fn required_features() -> wgpu::Features {
-	wgpu::Features::empty()
+fn required_features()->wgpu::Features{
+	wgpu::Features::TEXTURE_COMPRESSION_BC
 }
-fn required_downlevel_capabilities() -> wgpu::DownlevelCapabilities {
-	wgpu::DownlevelCapabilities {
-		flags: wgpu::DownlevelFlags::empty(),
-		shader_model: wgpu::ShaderModel::Sm5,
+fn required_downlevel_capabilities()->wgpu::DownlevelCapabilities{
+	wgpu::DownlevelCapabilities{
+		flags:wgpu::DownlevelFlags::empty(),
+		shader_model:wgpu::ShaderModel::Sm5,
 		..wgpu::DownlevelCapabilities::default()
 	}
 }
-pub fn required_limits() -> wgpu::Limits {
-	wgpu::Limits::downlevel_webgl2_defaults() // These downlevel limits will allow the code to run on all possible hardware
+pub fn required_limits()->wgpu::Limits{
+	wgpu::Limits::default()
 }
 
-struct GraphicsContextPartial1{
+struct SetupContextPartial1{
 	backends:wgpu::Backends,
 	instance:wgpu::Instance,
 }
-fn create_instance()->GraphicsContextPartial1{
+fn create_window(title:&str,event_loop:&winit::event_loop::EventLoop<()>)->Result<winit::window::Window,winit::error::OsError>{
+	let mut builder = winit::window::WindowBuilder::new();
+	builder = builder.with_title(title);
+	#[cfg(windows_OFF)] // TODO
+	{
+		use winit::platform::windows::WindowBuilderExtWindows;
+		builder = builder.with_no_redirection_bitmap(true);
+	}
+	builder.build(event_loop)
+}
+fn create_instance()->SetupContextPartial1{
 	let backends=wgpu::util::backend_bits_from_env().unwrap_or_else(wgpu::Backends::all);
 	let dx12_shader_compiler=wgpu::util::dx12_shader_compiler_from_env().unwrap_or_default();
-	GraphicsContextPartial1{
+	SetupContextPartial1{
 		backends,
 		instance:wgpu::Instance::new(wgpu::InstanceDescriptor{
 			backends,
 			dx12_shader_compiler,
+			..Default::default()
 		}),
 	}
 }
-impl GraphicsContextPartial1{
-	fn create_surface(self,window:&winit::window::Window)->Result<GraphicsContextPartial2,wgpu::CreateSurfaceError>{
-		Ok(GraphicsContextPartial2{
+impl SetupContextPartial1{
+	fn create_surface(self,window:&winit::window::Window)->Result<SetupContextPartial2,wgpu::CreateSurfaceError>{
+		Ok(SetupContextPartial2{
 			backends:self.backends,
+			surface:unsafe{self.instance.create_surface(window)}?,
 			instance:self.instance,
-			surface:unsafe{self.instance.create_surface(window)}?
 		})
 	}
 }
-struct GraphicsContextPartial2{
+struct SetupContextPartial2{
 	backends:wgpu::Backends,
 	instance:wgpu::Instance,
 	surface:wgpu::Surface,
 }
-impl GraphicsContextPartial2{
-	fn pick_adapter(self)->GraphicsContextPartial3{
+impl SetupContextPartial2{
+	fn pick_adapter(self)->SetupContextPartial3{
 		let adapter;
 
-		let optional_features=optional_features();
+		//TODO: prefer adapter that implements optional features
+		//let optional_features=optional_features();
 		let required_features=required_features();
 
 		//no helper function smh gotta write it myself
@@ -99,20 +115,20 @@ impl GraphicsContextPartial2{
 			"Adapter does not support the downlevel capabilities required to run this example: {:?}",
 			required_downlevel_capabilities.flags - downlevel_capabilities.flags
 		);
-		GraphicsContextPartial3{
+		SetupContextPartial3{
 			instance:self.instance,
 			surface:self.surface,
 			adapter,
 		}
 	}
 }
-struct GraphicsContextPartial3{
+struct SetupContextPartial3{
 	instance:wgpu::Instance,
 	surface:wgpu::Surface,
 	adapter:wgpu::Adapter,
 }
-impl GraphicsContextPartial3{
-	fn request_device(self)->GraphicsContextPartial4{
+impl SetupContextPartial3{
+	fn request_device(self)->SetupContextPartial4{
 		let optional_features=optional_features();
 		let required_features=required_features();
 
@@ -131,7 +147,7 @@ impl GraphicsContextPartial3{
 			))
 			.expect("Unable to find a suitable GPU adapter!");
 
-		GraphicsContextPartial4{
+		SetupContextPartial4{
 			instance:self.instance,
 			surface:self.surface,
 			adapter:self.adapter,
@@ -140,45 +156,44 @@ impl GraphicsContextPartial3{
 		}
 	}
 }
-struct GraphicsContextPartial4{
+struct SetupContextPartial4{
 	instance:wgpu::Instance,
 	surface:wgpu::Surface,
 	adapter:wgpu::Adapter,
 	device:wgpu::Device,
 	queue:wgpu::Queue,
 }
-impl GraphicsContextPartial4{
-	fn configure_surface(self,size:&winit::dpi::PhysicalSize<u32>)->GraphicsContext{
+impl SetupContextPartial4{
+	fn configure_surface(self,size:&winit::dpi::PhysicalSize<u32>)->SetupContext{
 		let mut config=self.surface
 			.get_default_config(&self.adapter, size.width, size.height)
 			.expect("Surface isn't supported by the adapter.");
 		let surface_view_format=config.format.add_srgb_suffix();
 		config.view_formats.push(surface_view_format);
+		config.present_mode=wgpu::PresentMode::AutoNoVsync;
 		self.surface.configure(&self.device, &config);
 
-		GraphicsContext{
+		SetupContext{
 			instance:self.instance,
 			surface:self.surface,
-			adapter:self.adapter,
 			device:self.device,
 			queue:self.queue,
 			config,
 		}
 	}
 }
-pub struct GraphicsContext{
+pub struct SetupContext{
 	pub instance:wgpu::Instance,
 	pub surface:wgpu::Surface,
-	pub adapter:wgpu::Adapter,
 	pub device:wgpu::Device,
 	pub queue:wgpu::Queue,
 	pub config:wgpu::SurfaceConfiguration,
 }
 
-pub fn setup(title:&str)->GraphicsContextSetup{
-	let event_loop=winit::event_loop::EventLoop::new();
+pub fn setup(title:&str)->SetupContextSetup{
+	let event_loop=winit::event_loop::EventLoop::new().unwrap();
 
-	let window=crate::window::WindowState::create_window(title,&event_loop).unwrap();
+	let window=create_window(title,&event_loop).unwrap();
 
 	println!("Initializing the surface...");
 
@@ -190,126 +205,111 @@ pub fn setup(title:&str)->GraphicsContextSetup{
 
 	let partial_4=partial_3.request_device();
 
-	GraphicsContextSetup{
+	SetupContextSetup{
 		window,
 		event_loop,
-		partial_graphics_context:partial_4,
+		partial_context:partial_4,
 	}
 }
 
-struct GraphicsContextSetup{
+pub struct SetupContextSetup{
 	window:winit::window::Window,
 	event_loop:winit::event_loop::EventLoop<()>,
-	partial_graphics_context:GraphicsContextPartial4,
+	partial_context:SetupContextPartial4,
 }
 
-impl GraphicsContextSetup{
-	fn into_split(self)->(winit::window::Window,winit::event_loop::EventLoop<()>,GraphicsContext){
+impl SetupContextSetup{
+	fn into_split(self)->(winit::window::Window,winit::event_loop::EventLoop<()>,SetupContext){
 		let size=self.window.inner_size();
 		//Steal values and drop self
 		(
 			self.window,
 			self.event_loop,
-			self.partial_graphics_context.configure_surface(&size),
+			self.partial_context.configure_surface(&size),
 		)
 	}
-	pub fn start(self,mut global_state:crate::GlobalState){
-		let (window,event_loop,graphics_context)=self.into_split();
+	pub fn start(self){
+		let (window,event_loop,setup_context)=self.into_split();
 
-		println!("Entering render loop...");
-		event_loop.run(move |event,_,control_flow|{
-			*control_flow=if cfg!(feature="metal-auto-capture"){
-				winit::event_loop::ControlFlow::Exit
-			}else{
-				winit::event_loop::ControlFlow::Poll
-			};
+		//dedicated thread to ping request redraw back and resize the window doesn't seem logical
+		//but here I am doing it
+		let root_time=std::time::Instant::now();
+		std::thread::scope(|s|{
+			let window=crate::window::WindowContextSetup::new(&setup_context,window);
+			//the thread that spawns the physics thread
+			let window_thread=window.into_worker(s,setup_context);
+
+			//schedule frames at 165fps
+			let event_loop_proxy=event_loop.create_proxy();
+
+			s.spawn(move ||{
+				loop{
+					std::thread::sleep(std::time::Duration::from_nanos(1_000_000_000/165));
+					event_loop_proxy.send_event(()).ok();
+				}
+			});
+
+			println!("Entering event loop...");
+			run_event_loop(event_loop,window_thread,root_time).unwrap();
+		});
+	}
+}
+
+fn run_event_loop(
+	event_loop:winit::event_loop::EventLoop<()>,
+	window_thread:crate::worker::QNWorker<TimedInstruction<WindowInstruction>>,
+	root_time:std::time::Instant
+	)->Result<(),winit::error::EventLoopError>{
+		event_loop.run(move |event,elwt|{
+			let time=crate::integer::Time::from_nanos(root_time.elapsed().as_nanos() as i64);
+			// *control_flow=if cfg!(feature="metal-auto-capture"){
+			// 	winit::event_loop::ControlFlow::Exit
+			// }else{
+			// 	winit::event_loop::ControlFlow::Poll
+			// };
 			match event{
-				winit::event::Event::RedrawEventsCleared=>{
-					window.request_redraw();
+				winit::event::Event::UserEvent(())=>{
+					window_thread.send(TimedInstruction{time,instruction:WindowInstruction::RequestRedraw}).unwrap();
 				}
 				winit::event::Event::WindowEvent {
 					event:
-						winit::event::WindowEvent::Resized(size)
-						| winit::event::WindowEvent::ScaleFactorChanged {
-							new_inner_size:&mut size,
-							..
-						},
-					..
+						// WindowEvent::Resized(size)
+						// | WindowEvent::ScaleFactorChanged {
+						// 	new_inner_size: &mut size,
+						// 	..
+						// },
+						winit::event::WindowEvent::Resized(size),//ignoring scale factor changed for now because mutex bruh
+					window_id:_,
 				} => {
-					// Once winit is fixed, the detection conditions here can be removed.
-					// https://github.com/rust-windowing/winit/issues/2876
-					// this has been fixed if I update winit (remove the if statement and only use the else case)
-					//drop adapter when you delete this
-					let max_dimension=graphics_context.adapter.limits().max_texture_dimension_2d;
-					if max_dimension<size.width||max_dimension<size.height{
-						println!(
-							"The resizing size {:?} exceeds the limit of {}.",
-							size,
-							max_dimension
-						);
-					}else{
-						println!("Resizing to {:?}",size);
-						graphics_context.config.width=size.width.max(1);
-						graphics_context.config.height=size.height.max(1);
-						window.resize(&graphics_context);
-						graphics_context.surface.configure(&graphics_context.device,&graphics_context.config);
-					}
+					window_thread.send(TimedInstruction{time,instruction:WindowInstruction::Resize(size)}).unwrap();
 				}
 				winit::event::Event::WindowEvent{event,..}=>match event{
 					winit::event::WindowEvent::KeyboardInput{
-						input:
-							winit::event::KeyboardInput{
-								virtual_keycode:Some(winit::event::VirtualKeyCode::Escape),
+						event:
+							winit::event::KeyEvent {
+							logical_key: winit::keyboard::Key::Named(winit::keyboard::NamedKey::Escape),
 								state: winit::event::ElementState::Pressed,
 								..
 							},
 						..
 					}
 					|winit::event::WindowEvent::CloseRequested=>{
-						*control_flow=winit::event_loop::ControlFlow::Exit;
+						elwt.exit();
 					}
-					winit::event::WindowEvent::KeyboardInput{
-						input:
-							winit::event::KeyboardInput{
-								virtual_keycode:Some(winit::event::VirtualKeyCode::Scroll),
-								state: winit::event::ElementState::Pressed,
-								..
-							},
-						..
-					}=>{
-						println!("{:#?}",graphics_context.instance.generate_report());
+					winit::event::WindowEvent::RedrawRequested=>{
+						window_thread.send(TimedInstruction{time,instruction:WindowInstruction::Render}).unwrap();
 					}
 					_=>{
-						global_state.update(event);
+						window_thread.send(TimedInstruction{time,instruction:WindowInstruction::WindowEvent(event)}).unwrap();
 					}
 				},
 				winit::event::Event::DeviceEvent{
 					event,
 					..
 				} => {
-					global_state.device_event(event);
+					window_thread.send(TimedInstruction{time,instruction:WindowInstruction::DeviceEvent(event)}).unwrap();
 				},
-				winit::event::Event::RedrawRequested(_)=>{
-					let frame=match graphics_context.surface.get_current_texture(){
-						Ok(frame)=>frame,
-						Err(_)=>{
-							graphics_context.surface.configure(&graphics_context.device,&graphics_context.config);
-							graphics_context.surface
-								.get_current_texture()
-								.expect("Failed to acquire next surface texture!")
-						}
-					};
-					let view=frame.texture.create_view(&wgpu::TextureViewDescriptor{
-						format:Some(graphics_context.config.view_formats[0]),
-						..wgpu::TextureViewDescriptor::default()
-					});
-
-					graphics.render(&view,&graphics_context.device,&graphics_context.queue);
-
-					frame.present();
-				}
 				_=>{}
 			}
-		});
-	}
-}
+		})
+}

src/window.rs

@@ -1,50 +1,68 @@
-pub struct WindowState{
-	//ok
-}
-impl WindowState{
-	fn resize(&mut self);
-	fn render(&self);
+use crate::instruction::TimedInstruction;
+use crate::physics_worker::InputInstruction;
 
-	fn update(&mut self, window: &winit::window::Window, event: winit::event::WindowEvent) {
-		let time=integer::Time::from_nanos(self.start_time.elapsed().as_nanos() as i64);
+pub enum WindowInstruction{
+	Resize(winit::dpi::PhysicalSize<u32>),
+	WindowEvent(winit::event::WindowEvent),
+	DeviceEvent(winit::event::DeviceEvent),
+	RequestRedraw,
+	Render,
+}
+
+//holds thread handles to dispatch to
+struct WindowContext<'a>{
+	manual_mouse_lock:bool,
+	mouse:crate::physics::MouseState,//std::sync::Arc<std::sync::Mutex<>>
+	screen_size:glam::UVec2,
+	user_settings:crate::settings::UserSettings,
+	window:winit::window::Window,
+	physics_thread:crate::worker::QNWorker<'a,TimedInstruction<crate::physics_worker::Instruction>>,
+}
+
+impl WindowContext<'_>{
+	fn get_middle_of_screen(&self)->winit::dpi::PhysicalPosition<f32>{
+		winit::dpi::PhysicalPosition::new(self.screen_size.x as f32/2.0,self.screen_size.y as f32/2.0)
+	}
+	fn window_event(&mut self,time:crate::integer::Time,event: winit::event::WindowEvent) {
 		match event {
 			winit::event::WindowEvent::DroppedFile(path)=>{
-				std::thread::spawn(move ||{
-					let indexed_model_instances=load_file(path);
-					self.render_thread.send(Instruction::Die(indexed_model_instances));
-				});
+				//blocking because it's simpler...
+				if let Some(indexed_model_instances)=crate::load_file(path){
+					self.physics_thread.send(TimedInstruction{time,instruction:crate::physics_worker::Instruction::ClearModels}).unwrap();
+					self.physics_thread.send(TimedInstruction{time,instruction:crate::physics_worker::Instruction::GenerateModels(indexed_model_instances)}).unwrap();
+				}
 			},
-			winit::event::WindowEvent::Focused(state)=>{
+			winit::event::WindowEvent::Focused(_state)=>{
 				//pause unpause
 				//recalculate pressed keys on focus
 			},
-			winit::event::WindowEvent::KeyboardInput {
-				input:winit::event::KeyboardInput{state, virtual_keycode,..},
+			winit::event::WindowEvent::KeyboardInput{
+				event:winit::event::KeyEvent{state,logical_key,repeat:false,..},
 				..
 			}=>{
-				let s=match state {
-					winit::event::ElementState::Pressed => true,
-					winit::event::ElementState::Released => false,
+				let s=match state{
+					winit::event::ElementState::Pressed=>true,
+					winit::event::ElementState::Released=>false,
 				};
-				match virtual_keycode{
-					Some(winit::event::VirtualKeyCode::Tab)=>{
+				match logical_key{
+					winit::keyboard::Key::Named(winit::keyboard::NamedKey::Tab)=>{
 						if s{
 							self.manual_mouse_lock=false;
-							match window.set_cursor_position(winit::dpi::PhysicalPosition::new(self.graphics.camera.screen_size.x as f32/2.0, self.graphics.camera.screen_size.y as f32/2.0)){
+							match self.window.set_cursor_position(self.get_middle_of_screen()){
 								Ok(())=>(),
 								Err(e)=>println!("Could not set cursor position: {:?}",e),
 							}
-							match window.set_cursor_grab(winit::window::CursorGrabMode::None){
+							match self.window.set_cursor_grab(winit::window::CursorGrabMode::None){
 								Ok(())=>(),
 								Err(e)=>println!("Could not release cursor: {:?}",e),
 							}
 						}else{
 							//if cursor is outside window don't lock but apparently there's no get pos function
 							//let pos=window.get_cursor_pos();
-							match window.set_cursor_grab(winit::window::CursorGrabMode::Locked){
+							match self.window.set_cursor_grab(winit::window::CursorGrabMode::Locked){
 								Ok(())=>(),
 								Err(_)=>{
-									match window.set_cursor_grab(winit::window::CursorGrabMode::Confined){
+									match self.window.set_cursor_grab(winit::window::CursorGrabMode::Confined){
 										Ok(())=>(),
 										Err(e)=>{
 											self.manual_mouse_lock=true;
@@ -54,62 +72,62 @@ impl WindowState{
 								}
 							}
 						}
-						window.set_cursor_visible(s);
+						self.window.set_cursor_visible(s);
 					},
-					Some(winit::event::VirtualKeyCode::F11)=>{
+					winit::keyboard::Key::Named(winit::keyboard::NamedKey::F11)=>{
 						if s{
-							if window.fullscreen().is_some(){
-								window.set_fullscreen(None);
+							if self.window.fullscreen().is_some(){
+								self.window.set_fullscreen(None);
 							}else{
-								window.set_fullscreen(Some(winit::window::Fullscreen::Borderless(None)));
+								self.window.set_fullscreen(Some(winit::window::Fullscreen::Borderless(None)));
 							}
 						}
 					},
-					Some(winit::event::VirtualKeyCode::Escape)=>{
+					winit::keyboard::Key::Named(winit::keyboard::NamedKey::Escape)=>{
 						if s{
 							self.manual_mouse_lock=false;
-							match window.set_cursor_grab(winit::window::CursorGrabMode::None){
+							match self.window.set_cursor_grab(winit::window::CursorGrabMode::None){
 								Ok(())=>(),
 								Err(e)=>println!("Could not release cursor: {:?}",e),
 							}
-							window.set_cursor_visible(true);
+							self.window.set_cursor_visible(true);
 						}
 					},
-					Some(keycode)=>{
-						if let Some(input_instruction)=match keycode {
-							winit::event::VirtualKeyCode::W => Some(InputInstruction::MoveForward(s)),
-							winit::event::VirtualKeyCode::A => Some(InputInstruction::MoveLeft(s)),
-							winit::event::VirtualKeyCode::S => Some(InputInstruction::MoveBack(s)),
-							winit::event::VirtualKeyCode::D => Some(InputInstruction::MoveRight(s)),
-							winit::event::VirtualKeyCode::E => Some(InputInstruction::MoveUp(s)),
-							winit::event::VirtualKeyCode::Q => Some(InputInstruction::MoveDown(s)),
-							winit::event::VirtualKeyCode::Space => Some(InputInstruction::Jump(s)),
-							winit::event::VirtualKeyCode::Z => Some(InputInstruction::Zoom(s)),
-							winit::event::VirtualKeyCode::R => if s{Some(InputInstruction::Reset)}else{None},
-							_ => None,
+					keycode=>{
+						if let Some(input_instruction)=match keycode{
+							winit::keyboard::Key::Named(winit::keyboard::NamedKey::Space)=>Some(InputInstruction::Jump(s)),
+							winit::keyboard::Key::Character(key)=>match key.as_str(){
+								"w"=>Some(InputInstruction::MoveForward(s)),
+								"a"=>Some(InputInstruction::MoveLeft(s)),
+								"s"=>Some(InputInstruction::MoveBack(s)),
+								"d"=>Some(InputInstruction::MoveRight(s)),
+								"e"=>Some(InputInstruction::MoveUp(s)),
+								"q"=>Some(InputInstruction::MoveDown(s)),
+								"z"=>Some(InputInstruction::Zoom(s)),
+								"r"=>if s{Some(InputInstruction::Reset)}else{None},
+								_=>None,
+							},
+							_=>None,
 						}{
 							self.physics_thread.send(TimedInstruction{
 								time,
-								instruction:input_instruction,
+								instruction:crate::physics_worker::Instruction::Input(input_instruction),
 							}).unwrap();
 						}
 					},
-					_=>(),
 				}
 			},
 			_=>(),
 		}
 	}
 
-	fn device_event(&mut self, window: &winit::window::Window, event: winit::event::DeviceEvent) {
-		//there's no way this is the best way get a timestamp.
-		let time=integer::Time::from_nanos(self.start_time.elapsed().as_nanos() as i64);
+	fn device_event(&mut self,time:crate::integer::Time,event: winit::event::DeviceEvent) {
 		match event {
 			winit::event::DeviceEvent::MouseMotion {
 			    delta,//these (f64,f64) are integers on my machine
 			} => {
 				if self.manual_mouse_lock{
-					match window.set_cursor_position(winit::dpi::PhysicalPosition::new(self.graphics.camera.screen_size.x as f32/2.0, self.graphics.camera.screen_size.y as f32/2.0)){
+					match self.window.set_cursor_position(self.get_middle_of_screen()){
 						Ok(())=>(),
 						Err(e)=>println!("Could not set cursor position: {:?}",e),
 					}
@@ -121,7 +139,7 @@ impl WindowState{
 				self.mouse.pos+=delta;
 				self.physics_thread.send(TimedInstruction{
 					time,
-					instruction:InputInstruction::MoveMouse(self.mouse.pos),
+					instruction:crate::physics_worker::Instruction::Input(InputInstruction::MoveMouse(self.mouse.pos)),
 				}).unwrap();
 			},
 			winit::event::DeviceEvent::MouseWheel {
@@ -131,22 +149,95 @@ impl WindowState{
 				if false{//self.physics.style.use_scroll{
 					self.physics_thread.send(TimedInstruction{
 						time,
-						instruction:InputInstruction::Jump(true),//activates the immediate jump path, but the style modifier prevents controls&CONTROL_JUMP bit from being set to auto jump
+						instruction:crate::physics_worker::Instruction::Input(InputInstruction::Jump(true)),//activates the immediate jump path, but the style modifier prevents controls&CONTROL_JUMP bit from being set to auto jump
 					}).unwrap();
 				}
 			}
 			_=>(),
 		}
 	}
+}
 
-	pub fn create_window(title:&str,event_loop:&winit::event_loop::EventLoop<()>)->Result<winit::window::Window,winit::error::OsError>{
-		let mut builder = winit::window::WindowBuilder::new();
-		builder = builder.with_title(title);
-		#[cfg(windows_OFF)] // TODO
-		{
-			use winit::platform::windows::WindowBuilderExtWindows;
-			builder = builder.with_no_redirection_bitmap(true);
+pub struct WindowContextSetup{
+	user_settings:crate::settings::UserSettings,
+	window:winit::window::Window,
+	physics:crate::physics::PhysicsState,
+	graphics:crate::graphics::GraphicsState,
+}
+
+impl WindowContextSetup{
+	pub fn new(context:&crate::setup::SetupContext,window:winit::window::Window)->Self{
+		//wee
+		let user_settings=crate::settings::read_user_settings();
+
+		let args:Vec<String>=std::env::args().collect();
+		let indexed_model_instances=if args.len()==2{
+			crate::load_file(std::path::PathBuf::from(&args[1]))
+		}else{
+			None
+		}.unwrap_or(crate::default_models());
+
+		let mut physics=crate::physics::PhysicsState::default();
+		physics.load_user_settings(&user_settings);
+		physics.generate_models(&indexed_model_instances);
+		physics.spawn(indexed_model_instances.spawn_point);
+
+		let mut graphics=crate::graphics::GraphicsState::new(&context.device,&context.queue,&context.config);
+		graphics.load_user_settings(&user_settings);
+		graphics.generate_models(&context.device,&context.queue,indexed_model_instances);
+
+		Self{
+			user_settings,
+			window,
+			graphics,
+			physics,
 		}
-		builder.build(event_loop)
 	}
-}
+
+	fn into_context<'a>(self,scope:&'a std::thread::Scope<'a,'_>,setup_context:crate::setup::SetupContext)->WindowContext<'a>{
+		let screen_size=glam::uvec2(setup_context.config.width,setup_context.config.height);
+		let graphics_thread=crate::graphics_worker::new(scope,self.graphics,setup_context.config,setup_context.surface,setup_context.device,setup_context.queue);
+		WindowContext{
+			manual_mouse_lock:false,
+			mouse:crate::physics::MouseState::default(),
+			//make sure to update this!!!!!
+			screen_size,
+			user_settings:self.user_settings,
+			window:self.window,
+			physics_thread:crate::physics_worker::new(scope,self.physics,graphics_thread),
+		}
+	}
+
+	pub fn into_worker<'a>(self,scope:&'a std::thread::Scope<'a,'_>,setup_context:crate::setup::SetupContext)->crate::worker::QNWorker<'a,TimedInstruction<WindowInstruction>>{
+		let mut window_context=self.into_context(scope,setup_context);
+		crate::worker::QNWorker::new(scope,move |ins:TimedInstruction<WindowInstruction>|{
+			match ins.instruction{
+				WindowInstruction::RequestRedraw=>{
+					window_context.window.request_redraw();
+				}
+				WindowInstruction::WindowEvent(window_event)=>{
+					window_context.window_event(ins.time,window_event);
+				},
+				WindowInstruction::DeviceEvent(device_event)=>{
+					window_context.device_event(ins.time,device_event);
+				},
+				WindowInstruction::Resize(size)=>{
+					window_context.physics_thread.send(
+						TimedInstruction{
+							time:ins.time,
+							instruction:crate::physics_worker::Instruction::Resize(size,window_context.user_settings.clone())
+						}
+					).unwrap();
+				}
+				WindowInstruction::Render=>{
+					window_context.physics_thread.send(
+						TimedInstruction{
+							time:ins.time,
+							instruction:crate::physics_worker::Instruction::Render
+						}
+					).unwrap();
+				}
+			}
+		})
+	}
+}

src/worker.rs

@@ -1,6 +1,6 @@
 use std::thread;
 use std::sync::{mpsc,Arc};
-use parking_lot::{Mutex,Condvar};
+use parking_lot::Mutex;
 
 //WorkerPool
 struct Pool(u32);
@@ -104,17 +104,15 @@ QN = WorkerDescription{
 }
 */
 //None Output Worker does all its work internally from the perspective of the work submitter
-pub struct QNWorker<Task:Send> {
+pub struct QNWorker<'a,Task:Send>{
 	sender: mpsc::Sender<Task>,
+	handle:thread::ScopedJoinHandle<'a,()>,
 }
 
-impl<Task:Send+'static> QNWorker<Task>{
-	pub fn new<F:FnMut(Task)+Send+'static>(mut f:F)->Self{
+impl<'a,Task:Send+'a> QNWorker<'a,Task>{
+	pub fn new<F:FnMut(Task)+Send+'a>(scope:&'a thread::Scope<'a,'_>,mut f:F)->QNWorker<'a,Task>{
 		let (sender,receiver)=mpsc::channel::<Task>();
-		let ret=Self {
-			sender,
-		};
-		thread::spawn(move ||{
+		let handle=scope.spawn(move ||{
 			loop {
 				match receiver.recv() {
 					Ok(task)=>f(task),
@@ -125,7 +123,10 @@ impl<Task:Send+'static> QNWorker<Task>{
 				}
 			}
 		});
-		ret
+		Self{
+			sender,
+			handle,
+		}
 	}
 	pub fn send(&self,task:Task)->Result<(),mpsc::SendError<Task>>{
 		self.sender.send(task)
@@ -139,104 +140,36 @@ IN = WorkerDescription{
 }
 */
 //Inputs are dropped if the worker is busy
-pub struct INWorker<Task:Clone>{
-	input:Arc<(Mutex<Task>,Condvar)>,
+pub struct INWorker<'a,Task:Send>{
+	sender: mpsc::SyncSender<Task>,
+	handle:thread::ScopedJoinHandle<'a,()>,
 }
 
-impl<Task:Clone+Send+'static> INWorker<Task>{
-	pub fn new<F:FnMut(Task)+Send+'static>(task:Task,mut f:F)->Self{
-		let ret=Self {
-			input:Arc::new((Mutex::new(task),Condvar::new())),
-		};
-		let input=ret.input.clone();
-		thread::spawn(move ||{
+impl<'a,Task:Send+'a> INWorker<'a,Task>{
+	pub fn new<F:FnMut(Task)+Send+'a>(scope:&'a thread::Scope<'a,'_>,mut f:F)->INWorker<'a,Task>{
+		let (sender,receiver)=mpsc::sync_channel::<Task>(1);
+		let handle=scope.spawn(move ||{
 			loop {
-				input.1.wait(&mut input.0.lock());
-				f(input.0.lock().clone());
-			}
-		});
-		ret
-	}
-	pub fn send(&self,task:Task){
-		*self.input.0.lock()=task;
-        self.input.1.notify_one();
-	}
-}
-
-//worker pools work by cloning a mpsc and passing it into the thread, the thread sends its results through that
-//worker pools have a master thread that manages the pool so that the work submission thread does not need to implement async
-
-pub struct QQWorkerPool<Task:Send,Value:Send>{
-	sender:mpsc::Sender<Task>,
-	queue:Arc<Mutex<std::collections::VecDeque<Value>>>,
-}
-
-impl<Task:Send+'static,Value:Send+'static> QQWorkerPool<Task,Value>{
-	pub fn new<F:Fn(Task)->Value+Send+'static>(pool_size:usize,f:F)->Self{
-		let (task_sender,task_receiver)=mpsc::channel::<Task>();
-		let (value_sender,value_receiver)=mpsc::channel::<Value>();
-		let ret=Self{
-			sender:task_sender,
-			queue:Arc::new(Mutex::new(std::collections::VecDeque::new())),
-		};
-		let mut queue_collect=ret.queue.clone();
-		let mut worker_senders=Vec::with_capacity(pool_size);
-		let mut active_workers_collect=Arc::new(Mutex::new(0usize));
-		let mut active_workers_dispatch=active_workers_collect.clone();
-		let mut condvar_collect=Arc::new(Condvar::new());
-		let mut condvar_dispatch=condvar_collect.clone();
-		//task dispatch thread
-		thread::spawn(move ||{
-			loop{
-				//block if no workers are available, value collection thread will notify
-				let n=*active_workers_dispatch.lock();
-				if n==pool_size{
-					//wait for notifiy
-					condvar_dispatch.wait(&mut active_workers_dispatch.lock());
-				}
-				match task_receiver.recv(){
-					Ok(task)=>{
-						*active_workers_dispatch.lock()+=1;
-						//workers are never full here
-						//else if workers busy: spawn a new worker
-						//else: send task to an available worker
-					}
+				match receiver.recv() {
+					Ok(task)=>f(task),
 					Err(_)=>{
-						println!("Dispatch stopping.",);
+						println!("Worker stopping.",);
 						break;
 					}
 				}
 			}
 		});
-		//value collection thread (bad idea, put this logic in each thread)
-		thread::spawn(move ||{
-			loop{
-				match value_receiver.recv(){
-					Ok(value)=>{
-						//maybe I can be smart with this as a signal that a worker finished a task
-						let n=*active_workers_collect.lock();
-						*active_workers_collect.lock()-=1;
-						if n==pool_size{
-							condvar_collect.notify_one();
-						}
-						(*queue_collect.lock()).push_front(value);
-					}
-					Err(_)=>{
-						println!("Collection stopping.",);
-						break;
-					}
-				}
-			}
-		});
-		ret
+		Self{
+			sender,
+			handle,
+		}
 	}
-
-	pub fn send(&self,task:Task)->Result<(),mpsc::SendError<Task>>{
+	//blocking!
+	pub fn blocking_send(&self,task:Task)->Result<(), mpsc::SendError<Task>>{
 		self.sender.send(task)
 	}
-
-	pub fn get(&self)->Option<Value>{
-		(*self.queue.lock()).pop_back()
+	pub fn send(&self,task:Task)->Result<(), mpsc::TrySendError<Task>>{
+		self.sender.try_send(task)
 	}
 }
 

tools/arcane

@@ -0,0 +1 @@
+mangohud ../target/release/strafe-client bhop_maps/5692113331.rbxm

tools/bhop_maps

@@ -0,0 +1 @@
+/run/media/quat/Files/Documents/map-files/verify-scripts/maps/bhop_all/

tools/cross-compile.sh

@@ -0,0 +1 @@
+cargo build --release --target x86_64-pc-windows-gnu

tools/make-demo.sh

@@ -0,0 +1,4 @@
+mkdir -p ../target/demo
+mv ../target/x86_64-pc-windows-gnu/release/strafe-client.exe ../target/demo/strafe-client.exe
+rm ../target/demo.7z
+7z a -t7z -mx=9 -mfb=273 -ms -md=31 -myx=9 -mtm=- -mmt -mmtf -md=1536m -mmf=bt3 -mmc=10000 -mpb=0 -mlc=0 ../target/demo.7z ../target/demo

tools/run

@@ -0,0 +1 @@
+mangohud ../target/release/strafe-client "$1"

tools/settings.conf

@@ -0,0 +1,4 @@
+[camera]
+sensitivity_x=98384
+fov_y=1.0
+#fov_x_from_y_ratio=1.33333333333333333333333333333333

tools/textures

@@ -0,0 +1 @@
+/run/media/quat/Files/Documents/map-files/verify-scripts/textures/dds/

tools/toc

@@ -0,0 +1 @@
+mangohud ../target/release/strafe-client bhop_maps/5692152916.rbxm