do not step physics on mouse input, only update pos (overwriting previous pos)

Cargo.lock

@@ -1645,7 +1645,7 @@ checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
 [[package]]
 name = "strafe-client"
-version = "0.3.0"
+version = "0.5.0"
 dependencies = [
  "async-executor",
  "bytemuck",

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "strafe-client"
-version = "0.3.0"
+version = "0.5.0"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html

src/body.rs

@@ -4,11 +4,7 @@ use crate::{instruction::{InstructionEmitter, InstructionConsumer, TimedInstruct
 pub enum PhysicsInstruction {
 	CollisionStart(RelativeCollision),
 	CollisionEnd(RelativeCollision),
-	SetControlDir(glam::Vec3),
 	StrafeTick,
-	Jump,
-	SetWalkTargetVelocity(glam::Vec3),
-	RefreshWalkTarget,
 	ReachWalkTargetVelocity,
 	// Water,
 	// Spawn(
@@ -16,6 +12,21 @@ pub enum PhysicsInstruction {
 	// 	bool,//true = Trigger; false = teleport
 	// 	bool,//true = Force
 	// )
+	//Both of these conditionally activate RefreshWalkTarget (by doing what SetWalkTargetVelocity used to do and then flagging it)
+	Input(InputInstruction),
+}
+#[derive(Debug)]
+pub enum InputInstruction {
+	MoveMouse(glam::IVec2),
+	MoveForward(bool),
+	MoveLeft(bool),
+	MoveBack(bool),
+	MoveRight(bool),
+	MoveUp(bool),
+	MoveDown(bool),
+	Jump(bool),
+	Zoom(bool),
+	Reset,
 }
 
 pub struct Body {
@@ -51,34 +62,35 @@ pub enum MoveRestriction {
 	Ladder,//multiple ladders how
 }
 
-enum MouseInterpolation {
-	First,//just checks the last value
-	Lerp,//lerps between
-}
-
+/*
 enum InputInstruction {
-	MoveMouse(glam::IVec2),
-	Jump(bool),
 }
-
 struct InputState {
-	controls: u32,
-	mouse_interpolation: MouseInterpolation,
-	time: TIME,
 }
-
 impl InputState {
 	pub fn get_control(&self,control:u32) -> bool {
 		self.controls&control!=0
 	}
-	pub fn process_instruction(&mut self,ins:InputInstruction){
-		match ins {
-			InputInstruction::MoveMouse(m) => todo!("set mouse_interpolation"),
-			InputInstruction::Jump(b) => todo!("how does info about style modifiers get here"),
-		}
+}
+impl crate::instruction::InstructionEmitter<InputInstruction> for InputState{
+	fn next_instruction(&self, time_limit:crate::body::TIME) -> Option<TimedInstruction<InputInstruction>> {
+	    //this is polled by PhysicsState for actions like Jump
+	    //no, it has to be the other way around. physics is run up until the jump instruction, and then the jump instruction is pushed.
+	    self.queue.get(0)
 	}
 }
+impl crate::instruction::InstructionConsumer<InputInstruction> for InputState{
+	fn process_instruction(&mut self,ins:TimedInstruction<InputInstruction>){
+		//add to queue
+		self.queue.push(ins);
+	}
+}
+*/
 
+enum MouseInterpolation {
+	First,//just checks the last value
+	Lerp,//lerps between
+}
 pub struct MouseInterpolationState {
 	interpolation: MouseInterpolation,
 	time0: TIME,
@@ -88,11 +100,20 @@ pub struct MouseInterpolationState {
 }
 
 impl MouseInterpolationState {
-	pub fn move_mouse(&mut self,time:TIME,pos:glam::IVec2){
+	pub fn new() -> Self {
+		Self {
+			interpolation:MouseInterpolation::First,
+			time0:0,
+			time1:1,//ONE NANOSECOND!!!! avoid divide by zero
+			mouse0:glam::IVec2::ZERO,
+			mouse1:glam::IVec2::ZERO,
+		}
+	}
+	pub fn move_mouse(&mut self,time:TIME,delta:glam::IVec2){
 		self.time0=self.time1;
 		self.mouse0=self.mouse1;
 		self.time1=time;
-		self.mouse1=pos;
+		self.mouse1=self.mouse1+delta;
 	}
 	pub fn interpolated_position(&self,time:TIME) -> glam::IVec2 {
 		match self.interpolation {
@@ -113,7 +134,6 @@ impl MouseInterpolationState {
 pub enum WalkEnum{
 	Reached,
 	Transient,
-	Invalid,
 }
 pub struct WalkState {
 	pub target_velocity: glam::Vec3,
@@ -125,22 +145,120 @@ impl WalkState {
 		Self{
 			target_velocity:glam::Vec3::ZERO,
 			target_time:0,
-			state:WalkEnum::Invalid,
+			state:WalkEnum::Reached,
 		}
 	}
 }
 
+// Note: we use the Y=up coordinate space in this example.
+pub struct Camera {
+	offset: glam::Vec3,
+	angles: glam::DVec2,//YAW AND THEN PITCH
+	//punch: glam::Vec3,
+	//punch_velocity: glam::Vec3,
+	fov: glam::Vec2,//slope
+	sensitivity: glam::DVec2,
+	time: TIME,
+}
+
+#[inline]
+fn mat3_from_rotation_y_f64(angle: f64) -> glam::Mat3 {
+    let (sina, cosa) = angle.sin_cos();
+    glam::Mat3::from_cols(
+        glam::Vec3::new(cosa as f32, 0.0, -sina as f32),
+        glam::Vec3::Y,
+        glam::Vec3::new(sina as f32, 0.0, cosa as f32),
+    )
+}
+#[inline]
+fn perspective_rh(fov_x_slope: f32, fov_y_slope: f32, z_near: f32, z_far: f32) -> glam::Mat4 {
+	//glam_assert!(z_near > 0.0 && z_far > 0.0);
+	let r = z_far / (z_near - z_far);
+	glam::Mat4::from_cols(
+		glam::Vec4::new(1.0/fov_x_slope, 0.0, 0.0, 0.0),
+		glam::Vec4::new(0.0, 1.0/fov_y_slope, 0.0, 0.0),
+		glam::Vec4::new(0.0, 0.0, r, -1.0),
+		glam::Vec4::new(0.0, 0.0, r * z_near, 0.0),
+	)
+}
+impl Camera {
+	pub fn from_offset(offset:glam::Vec3,aspect:f32) -> Self {
+		Self{
+		    offset,
+		    angles: glam::DVec2::ZERO,
+		    fov: glam::vec2(aspect,1.0),
+		    sensitivity: glam::dvec2(1.0/2048.0,1.0/2048.0),
+    		time: 0,
+		}
+	}
+	fn simulate_move_angles(&self, delta: glam::IVec2) -> glam::DVec2 {
+		let mut a=self.angles-self.sensitivity*delta.as_dvec2();
+		a.y=a.y.clamp(-std::f64::consts::PI, std::f64::consts::PI);
+		return a
+	}
+	fn simulate_move_rotation_y(&self, delta_x: i32) -> glam::Mat3 {
+		mat3_from_rotation_y_f64(self.angles.x-self.sensitivity.x*(delta_x as f64))
+	}
+	pub fn proj(&self)->glam::Mat4{
+		perspective_rh(self.fov.x, self.fov.y, 0.5, 1000.0)
+	}
+	pub fn view(&self,pos:glam::Vec3)->glam::Mat4{
+		//f32 good enough for view matrix
+		glam::Mat4::from_translation(pos+self.offset) * glam::Mat4::from_euler(glam::EulerRot::YXZ, self.angles.x as f32, self.angles.y as f32, 0f32)
+	}
+	pub fn set_fov_aspect(&mut self,fov:f32,aspect:f32){
+		self.fov.x=fov*aspect;
+		self.fov.y=fov;
+	}
+}
+
+const CONTROL_MOVEFORWARD:u32 = 0b00000001;
+const CONTROL_MOVEBACK:u32 = 0b00000010;
+const CONTROL_MOVERIGHT:u32 = 0b00000100;
+const CONTROL_MOVELEFT:u32 = 0b00001000;
+const CONTROL_MOVEUP:u32 = 0b00010000;
+const CONTROL_MOVEDOWN:u32 = 0b00100000;
+const CONTROL_JUMP:u32 = 0b01000000;
+const CONTROL_ZOOM:u32 = 0b10000000;
+
+const FORWARD_DIR:glam::Vec3 = glam::Vec3::new(0.0,0.0,-1.0);
+const RIGHT_DIR:glam::Vec3 = glam::Vec3::new(1.0,0.0,0.0);
+const UP_DIR:glam::Vec3 = glam::Vec3::new(0.0,1.0,0.0);
+
+fn get_control_dir(controls: u32) -> glam::Vec3{
+	//don't get fancy just do it
+	let mut control_dir:glam::Vec3 = glam::Vec3::new(0.0,0.0,0.0);
+	if controls & CONTROL_MOVEFORWARD == CONTROL_MOVEFORWARD {
+		control_dir+=FORWARD_DIR;
+	}
+	if controls & CONTROL_MOVEBACK == CONTROL_MOVEBACK {
+		control_dir+=-FORWARD_DIR;
+	}
+	if controls & CONTROL_MOVELEFT == CONTROL_MOVELEFT {
+		control_dir+=-RIGHT_DIR;
+	}
+	if controls & CONTROL_MOVERIGHT == CONTROL_MOVERIGHT {
+		control_dir+=RIGHT_DIR;
+	}
+	if controls & CONTROL_MOVEUP == CONTROL_MOVEUP {
+		control_dir+=UP_DIR;
+	}
+	if controls & CONTROL_MOVEDOWN == CONTROL_MOVEDOWN {
+		control_dir+=-UP_DIR;
+	}
+	return control_dir
+}
+
 pub struct PhysicsState {
 	pub body: Body,
 	pub hitbox_halfsize: glam::Vec3,
 	pub contacts: std::collections::HashSet::<RelativeCollision>,
 	//pub intersections: Vec<ModelId>,
-	//temp
-	pub models_cringe_clone: Vec<Model>,
-	pub temp_control_dir: glam::Vec3,
+	pub models: Vec<ModelPhysics>,
 	//camera must exist in state because wormholes modify the camera, also camera punch
-	//pub camera: Camera,
-	//pub mouse_interpolation: MouseInterpolationState,
+	pub camera: Camera,
+	pub mouse_interpolation: MouseInterpolationState,
+	pub controls: u32,
 	pub time: TIME,
 	pub strafe_tick_num: TIME,
 	pub strafe_tick_den: TIME,
@@ -152,7 +270,6 @@ pub struct PhysicsState {
 	pub walk_accel:  f32,
 	pub gravity: glam::Vec3,
 	pub grounded: bool,
-	pub jump_trying: bool,
 }
 
 #[derive(Debug,Clone,Copy,Hash,Eq,PartialEq)]
@@ -264,13 +381,13 @@ impl Aabb {
 type TreyMeshFace = AabbFace;
 type TreyMesh = Aabb;
 
-pub struct Model {
+pub struct ModelPhysics {
 	//A model is a thing that has a hitbox. can be represented by a list of TreyMesh-es
 	//in this iteration, all it needs is extents.
 	transform: glam::Mat4,
 }
 
-impl Model {
+impl ModelPhysics {
 	pub fn new(transform:glam::Mat4) -> Self {
 		Self{transform}
 	}
@@ -314,10 +431,10 @@ pub struct RelativeCollision {
 }
 
 impl RelativeCollision {
-	pub fn mesh(&self,models:&Vec<Model>) -> TreyMesh {
+	pub fn mesh(&self,models:&Vec<ModelPhysics>) -> TreyMesh {
 		return models.get(self.model as usize).unwrap().face_mesh(self.face)
 	}
-	pub fn normal(&self,models:&Vec<Model>) -> glam::Vec3 {
+	pub fn normal(&self,models:&Vec<ModelPhysics>) -> glam::Vec3 {
 		return models.get(self.model as usize).unwrap().face_normal(self.face)
 	}
 }
@@ -353,8 +470,6 @@ impl PhysicsState {
 	pub fn run(&mut self, time_limit:TIME){
 		//prepare is ommitted - everything is done via instructions.
 		while let Some(instruction) = self.next_instruction(time_limit) {//collect
-			//advance
-			//self.advance_time(instruction.time);
 			//process
 			self.process_instruction(instruction);
 			//write hash lol
@@ -366,9 +481,19 @@ impl PhysicsState {
 		self.time=time;
 	}
 
+	fn set_control(&mut self,control:u32,state:bool){
+		self.controls=if state{self.controls|control}else{self.controls&!control};
+	}
+	fn jump(&mut self){
+		self.grounded=false;//do I need this?
+		let mut v=self.body.velocity+glam::Vec3::new(0.0,0.715588/2.0*100.0,0.0);
+		self.contact_constrain_velocity(&mut v);
+		self.body.velocity=v;
+	}
+
 	fn contact_constrain_velocity(&self,velocity:&mut glam::Vec3){
 		for contact in self.contacts.iter() {
-			let n=contact.normal(&self.models_cringe_clone);
+			let n=contact.normal(&self.models);
 			let d=velocity.dot(n);
 			if d<0f32{
 				(*velocity)-=d/n.length_squared()*n;
@@ -377,14 +502,13 @@ impl PhysicsState {
 	}
 	fn contact_constrain_acceleration(&self,acceleration:&mut glam::Vec3){
 		for contact in self.contacts.iter() {
-			let n=contact.normal(&self.models_cringe_clone);
+			let n=contact.normal(&self.models);
 			let d=acceleration.dot(n);
 			if d<0f32{
 				(*acceleration)-=d/n.length_squared()*n;
 			}
 		}
 	}
-
 	fn next_strafe_instruction(&self) -> Option<TimedInstruction<PhysicsInstruction>> {
 		return Some(TimedInstruction{
 			time:(self.time*self.strafe_tick_num/self.strafe_tick_den+1)*self.strafe_tick_den/self.strafe_tick_num,
@@ -424,6 +548,31 @@ impl PhysicsState {
 	// 	});
 	// }
 
+	fn refresh_walk_target(&mut self){
+		//calculate acceleration yada yada
+		if self.grounded{
+			let mut v=self.walk.target_velocity;
+			self.contact_constrain_velocity(&mut v);
+			let mut target_diff=v-self.body.velocity;
+			target_diff.y=0f32;
+			if target_diff==glam::Vec3::ZERO{
+				let mut a=glam::Vec3::ZERO;
+				self.contact_constrain_acceleration(&mut a);
+				self.body.acceleration=a;
+				self.walk.state=WalkEnum::Reached;
+			}else{
+				let accel=self.walk_accel.min(self.gravity.length()*self.friction);
+				let time_delta=target_diff.length()/accel;
+				let mut a=target_diff/time_delta;
+				self.contact_constrain_acceleration(&mut a);
+				self.body.acceleration=a;
+				self.walk.target_time=self.body.time+((time_delta as f64)*1_000_000_000f64) as TIME;
+				self.walk.state=WalkEnum::Transient;
+			}
+		}else{
+			self.walk.state=WalkEnum::Reached;//there is no walk target while not grounded
+		}
+	}
 	fn next_walk_instruction(&self) -> Option<TimedInstruction<PhysicsInstruction>> {
 		//check if you have a valid walk state and create an instruction
 		if self.grounded{
@@ -432,10 +581,6 @@ impl PhysicsState {
 					time:self.walk.target_time,
 					instruction:PhysicsInstruction::ReachWalkTargetVelocity
 				}),
-				WalkEnum::Invalid=>Some(TimedInstruction{
-					time:self.time,
-					instruction:PhysicsInstruction::RefreshWalkTarget,
-				}),
 				WalkEnum::Reached=>None,
 			}
 		}else{
@@ -457,7 +602,7 @@ impl PhysicsState {
 		let mut best_time=time_limit;
 		let mut exit_face:Option<TreyMeshFace>=None;
 		let mesh0=self.mesh();
-		let mesh1=self.models_cringe_clone.get(collision_data.model as usize).unwrap().mesh();
+		let mesh1=self.models.get(collision_data.model as usize).unwrap().mesh();
 		let (v,a)=(-self.body.velocity,self.body.acceleration);
 		//collect x
 		match collision_data.face {
@@ -608,7 +753,7 @@ impl PhysicsState {
 		let mut best_time=time_limit;
 		let mut best_face:Option<TreyMeshFace>=None;
 		let mesh0=self.mesh();
-		let mesh1=self.models_cringe_clone.get(model_id as usize).unwrap().mesh();
+		let mesh1=self.models.get(model_id as usize).unwrap().mesh();
 		let (p,v,a)=(self.body.position,self.body.velocity,self.body.acceleration);
 		//collect x
 		for t in zeroes2(mesh0.max.x-mesh1.min.x,v.x,0.5*a.x) {
@@ -733,7 +878,7 @@ impl crate::instruction::InstructionEmitter<PhysicsInstruction> for PhysicsState
 			collector.collect(self.predict_collision_end(self.time,time_limit,collision_data));
 		}
 		//check for collision start instructions (against every part in the game with no optimization!!)
-		for i in 0..self.models_cringe_clone.len() {
+		for i in 0..self.models.len() {
 			collector.collect(self.predict_collision_start(self.time,time_limit,i as u32));
 		}
 		if self.grounded {
@@ -751,18 +896,17 @@ impl crate::instruction::InstructionConsumer<PhysicsInstruction> for PhysicsStat
 	fn process_instruction(&mut self, ins:TimedInstruction<PhysicsInstruction>) {
 		match &ins.instruction {
 		    PhysicsInstruction::StrafeTick => (),
+		    PhysicsInstruction::Input(InputInstruction::MoveMouse(_)) => (),
 		    _=>println!("{:?}",ins),
 		}
 		//selectively update body
 		match &ins.instruction {
-		    PhysicsInstruction::SetWalkTargetVelocity(_)
-		    |PhysicsInstruction::SetControlDir(_) => self.time=ins.time,//TODO: queue instructions
-		    PhysicsInstruction::RefreshWalkTarget
+		    PhysicsInstruction::Input(InputInstruction::MoveMouse(_)) => (),//dodge time for mouse movement
+    		PhysicsInstruction::Input(_)
 		    |PhysicsInstruction::ReachWalkTargetVelocity
 		    |PhysicsInstruction::CollisionStart(_)
 		    |PhysicsInstruction::CollisionEnd(_)
-		    |PhysicsInstruction::StrafeTick
-		    |PhysicsInstruction::Jump => self.advance_time(ins.time),
+		    |PhysicsInstruction::StrafeTick => self.advance_time(ins.time),
 		}
 		match ins.instruction {
 			PhysicsInstruction::CollisionStart(c) => {
@@ -779,14 +923,16 @@ impl crate::instruction::InstructionConsumer<PhysicsInstruction> for PhysicsStat
 				let mut v=self.body.velocity;
 				self.contact_constrain_velocity(&mut v);
 				self.body.velocity=v;
-				self.walk.state=WalkEnum::Invalid;
+				if self.grounded&&self.controls&CONTROL_JUMP!=0{
+					self.jump();
+				}
+				self.refresh_walk_target();
 			},
 			PhysicsInstruction::CollisionEnd(c) => {
 			    self.contacts.remove(&c);//remove contact before calling contact_constrain_acceleration
 				let mut a=self.gravity;
 				self.contact_constrain_acceleration(&mut a);
 				self.body.acceleration=a;
-				self.walk.state=WalkEnum::Invalid;
 				//check ground
 				match &c.face {
 			        AabbFace::Top => {
@@ -794,27 +940,18 @@ impl crate::instruction::InstructionConsumer<PhysicsInstruction> for PhysicsStat
 			        },
 			        _ => (),
 			    }
-			},
-			PhysicsInstruction::SetControlDir(control_dir)=>{
-				self.temp_control_dir=control_dir;
-				self.walk.state=WalkEnum::Invalid;
+				self.refresh_walk_target();
 			},
 			PhysicsInstruction::StrafeTick => {
-				//let control_dir=self.get_control_dir();//this should respect your mouse interpolation settings
-				let d=self.body.velocity.dot(self.temp_control_dir);
+				let camera_mat=self.camera.simulate_move_rotation_y(self.mouse_interpolation.interpolated_position(self.time).x-self.mouse_interpolation.mouse0.x);
+				let control_dir=camera_mat*get_control_dir(self.controls);
+				let d=self.body.velocity.dot(control_dir);
 				if d<self.mv {
-					let mut v=self.body.velocity+(self.mv-d)*self.temp_control_dir;
+					let mut v=self.body.velocity+(self.mv-d)*control_dir;
 					self.contact_constrain_velocity(&mut v);
 					self.body.velocity=v;
 				}
 			}
-			PhysicsInstruction::Jump => {
-				self.grounded=false;//do I need this?
-				let mut v=self.body.velocity+glam::Vec3::new(0.0,0.715588/2.0*100.0,0.0);
-				self.contact_constrain_velocity(&mut v);
-				self.body.velocity=v;
-				self.walk.state=WalkEnum::Invalid;
-			},
 			PhysicsInstruction::ReachWalkTargetVelocity => {
 				//precisely set velocity
 				let mut a=glam::Vec3::ZERO;
@@ -825,33 +962,59 @@ impl crate::instruction::InstructionConsumer<PhysicsInstruction> for PhysicsStat
 				self.body.velocity=v;
 				self.walk.state=WalkEnum::Reached;
 			},
-			PhysicsInstruction::RefreshWalkTarget => {
-				//calculate acceleration yada yada
-				if self.grounded{
-					let mut v=self.walk.target_velocity;
-					self.contact_constrain_velocity(&mut v);
-					let mut target_diff=v-self.body.velocity;
-					target_diff.y=0f32;
-					if target_diff==glam::Vec3::ZERO{
-						let mut a=glam::Vec3::ZERO;
-						self.contact_constrain_acceleration(&mut a);
-						self.body.acceleration=a;
-						self.walk.state=WalkEnum::Reached;
-					}else{
-						let accel=self.walk_accel.min(self.gravity.length()*self.friction);
-						let time_delta=target_diff.length()/accel;
-						let mut a=target_diff/time_delta;
-						self.contact_constrain_acceleration(&mut a);
-						self.body.acceleration=a;
-						self.walk.target_time=self.body.time+((time_delta as f64)*1_000_000_000f64) as TIME;
-						self.walk.state=WalkEnum::Transient;
-					}
+			PhysicsInstruction::Input(input_instruction) => {
+				let mut refresh_walk_target=false;
+				match input_instruction{
+					InputInstruction::MoveMouse(m) => {
+						self.camera.angles=self.camera.simulate_move_angles(self.mouse_interpolation.mouse1-self.mouse_interpolation.mouse0);
+						self.mouse_interpolation.move_mouse(self.time,m);
+						refresh_walk_target=true;
+					},
+					InputInstruction::MoveForward(s) => {
+						self.set_control(CONTROL_MOVEFORWARD,s);
+						refresh_walk_target=true;
+					},
+					InputInstruction::MoveLeft(s) => {
+						self.set_control(CONTROL_MOVELEFT,s);
+						refresh_walk_target=true;
+					},
+					InputInstruction::MoveBack(s) => {
+						self.set_control(CONTROL_MOVEBACK,s);
+						refresh_walk_target=true;
+					},
+					InputInstruction::MoveRight(s) => {
+						self.set_control(CONTROL_MOVERIGHT,s);
+						refresh_walk_target=true;
+					},
+					InputInstruction::MoveUp(s) => {
+						self.set_control(CONTROL_MOVEUP,s);
+						refresh_walk_target=true;
+					},
+					InputInstruction::MoveDown(s) => {
+						self.set_control(CONTROL_MOVEDOWN,s);
+						refresh_walk_target=true;
+					},
+					InputInstruction::Jump(s) => {
+						self.set_control(CONTROL_JUMP,s);
+						refresh_walk_target=true;
+						if self.grounded{
+							self.jump();
+						}
+					},
+					InputInstruction::Zoom(s) => {
+						self.set_control(CONTROL_ZOOM,s);
+					},
+					InputInstruction::Reset => println!("reset"),
+				}
+				//calculate control dir
+				let camera_mat=self.camera.simulate_move_rotation_y(self.mouse_interpolation.interpolated_position(self.time).x-self.mouse_interpolation.mouse0.x);
+				let control_dir=camera_mat*get_control_dir(self.controls);
+				//calculate walk target velocity
+				if refresh_walk_target{
+					self.walk.target_velocity=self.walkspeed*control_dir;
+					self.refresh_walk_target();
 				}
-			},
-			PhysicsInstruction::SetWalkTargetVelocity(v) => {
-				self.walk.target_velocity=v;
-				self.walk.state=WalkEnum::Invalid;
 			},
 		}
 	}
-}
+}

src/framework.rs

@@ -1,12 +1,10 @@
 use std::future::Future;
 #[cfg(target_arch = "wasm32")]
 use std::str::FromStr;
-#[cfg(not(target_arch = "wasm32"))]
-use std::time::Instant;
 #[cfg(target_arch = "wasm32")]
 use web_sys::{ImageBitmapRenderingContext, OffscreenCanvas};
 use winit::{
-	event::{self, WindowEvent},
+	event::{self, WindowEvent, DeviceEvent},
 	event_loop::{ControlFlow, EventLoop},
 };
 
@@ -53,8 +51,8 @@ pub trait Example: 'static + Sized {
 		device: &wgpu::Device,
 		queue: &wgpu::Queue,
 	);
-	fn update(&mut self, event: WindowEvent);
-	fn move_mouse(&mut self, delta: (f64,f64));
+	fn update(&mut self, device: &wgpu::Device, event: WindowEvent);
+	fn device_event(&mut self, event: DeviceEvent);
 	fn render(
 		&mut self,
 		view: &wgpu::TextureView,
@@ -346,17 +344,14 @@ fn start<E: Example>(
 					println!("{:#?}", instance.generate_report());
 				}
 				_ => {
-					example.update(event);
+					example.update(&device,event);
 				}
 			},
 			event::Event::DeviceEvent {
-				event:
-					winit::event::DeviceEvent::MouseMotion {
-						delta,
-					},
+				event,
 				..
 			} => {
-				example.move_mouse(delta);
+				example.device_event(event);
 			},
 			event::Event::RedrawRequested(_) => {
 

src/load_roblox.rs

@@ -10,8 +10,7 @@ fn class_is_a(class: &str, superclass: &str) -> bool {
 	}
 	return false
 }
-
-pub fn get_objects(buf_thing: std::io::BufReader<&[u8]>, superclass: &str) -> Result<std::vec::Vec<rbx_dom_weak::Instance>, Box<dyn std::error::Error>> {
+pub fn get_objects<R: std::io::Read>(buf_thing: R, superclass: &str) -> Result<std::vec::Vec<rbx_dom_weak::Instance>, Box<dyn std::error::Error>> {
 	// Using buffered I/O is recommended with rbx_binary
 	let dom = rbx_binary::from_reader(buf_thing)?;
 

src/shader.wgsl

@@ -1,9 +1,4 @@
-struct SkyOutput {
-	@builtin(position) position: vec4<f32>,
-	@location(0) sampledir: vec3<f32>,
-};
-
-struct Data {
+struct Camera {
 	// from camera to screen
 	proj: mat4x4<f32>,
 	// from screen to camera
@@ -13,9 +8,16 @@ struct Data {
 	// camera position
 	cam_pos: vec4<f32>,
 };
+
+//group 0 is the camera
 @group(0)
 @binding(0)
-var<uniform> r_data: Data;
+var<uniform> camera: Camera;
+
+struct SkyOutput {
+	@builtin(position) position: vec4<f32>,
+	@location(0) sampledir: vec3<f32>,
+};
 
 @vertex
 fn vs_sky(@builtin(vertex_index) vertex_index: u32) -> SkyOutput {
@@ -30,8 +32,8 @@ fn vs_sky(@builtin(vertex_index) vertex_index: u32) -> SkyOutput {
 	);
 
 	// transposition = inversion for this orthonormal matrix
-	let inv_model_view = transpose(mat3x3<f32>(r_data.view[0].xyz, r_data.view[1].xyz, r_data.view[2].xyz));
-	let unprojected = r_data.proj_inv * pos;
+	let inv_model_view = transpose(mat3x3<f32>(camera.view[0].xyz, camera.view[1].xyz, camera.view[2].xyz));
+	let unprojected = camera.proj_inv * pos;
 
 	var result: SkyOutput;
 	result.sampledir = inv_model_view * unprojected.xyz;
@@ -39,93 +41,70 @@ fn vs_sky(@builtin(vertex_index) vertex_index: u32) -> SkyOutput {
 	return result;
 }
 
-struct GroundOutput {
-	@builtin(position) position: vec4<f32>,
-	@location(4) pos: vec3<f32>,
-};
-
-@vertex
-fn vs_ground(@builtin(vertex_index) vertex_index: u32) -> GroundOutput {
-	// hacky way to draw two triangles that make a square
-	let tmp1 = i32(vertex_index)/2-i32(vertex_index)/3;
-	let tmp2 = i32(vertex_index)&1;
-	let pos = vec3<f32>(
-		f32(tmp1) * 2.0 - 1.0,
-		0.0,
-		f32(tmp2) * 2.0 - 1.0
-	) * 160.0;
-
-	var result: GroundOutput;
-	result.pos = pos;
-	result.position = r_data.proj * r_data.view * vec4<f32>(pos, 1.0);
-	return result;
+struct ModelInstance{
+	transform:mat4x4<f32>,
+	//texture_transform:mat3x3<f32>,
+	color:vec4<f32>,
 }
+//my fancy idea is to create a megatexture for each model that includes all the textures each intance will need
+//the texture transform then maps the texture coordinates to the location of the specific texture
+//group 1 is the model
+@group(1)
+@binding(0)
+var<storage> model_instances: array<ModelInstance>;
+@group(1)
+@binding(1)
+var model_texture: texture_2d<f32>;
+@group(1)
+@binding(2)
+var model_sampler: sampler;
 
-struct EntityOutput {
+struct EntityOutputTexture {
 	@builtin(position) position: vec4<f32>,
 	@location(1) texture: vec2<f32>,
 	@location(2) normal: vec3<f32>,
 	@location(3) view: vec3<f32>,
+	@location(4) color: vec4<f32>,
 };
-
-@group(1)
-@binding(0)
-var<uniform> r_EntityTransform: mat4x4<f32>;
-
 @vertex
-fn vs_entity(
+fn vs_entity_texture(
+	@builtin(instance_index) instance: u32,
 	@location(0) pos: vec3<f32>,
 	@location(1) texture: vec2<f32>,
 	@location(2) normal: vec3<f32>,
-) -> EntityOutput {
-	var position: vec4<f32> = r_EntityTransform * vec4<f32>(pos, 1.0);
-	var result: EntityOutput;
-	result.normal = (r_EntityTransform * vec4<f32>(normal, 0.0)).xyz;
-	result.texture=texture;
-	result.view = position.xyz - r_data.cam_pos.xyz;
-	result.position = r_data.proj * r_data.view * position;
+	@location(3) color: vec4<f32>,
+) -> EntityOutputTexture {
+	var position: vec4<f32> = model_instances[instance].transform * vec4<f32>(pos, 1.0);
+	var result: EntityOutputTexture;
+	result.normal = (model_instances[instance].transform * vec4<f32>(normal, 0.0)).xyz;
+	result.texture=texture;//(model_instances[instance].texture_transform * vec3<f32>(texture, 1.0)).xy;
+	result.color=model_instances[instance].color * color;
+	result.view = position.xyz - camera.cam_pos.xyz;
+	result.position = camera.proj * camera.view * position;
 	return result;
 }
 
-@group(0)
+//group 2 is the skybox texture
+@group(2)
+@binding(0)
+var cube_texture: texture_cube<f32>;
+@group(2)
 @binding(1)
-var r_texture: texture_cube<f32>;
-@group(0)
-@binding(2)
-var r_sampler: sampler;
+var cube_sampler: sampler;
 
 @fragment
 fn fs_sky(vertex: SkyOutput) -> @location(0) vec4<f32> {
-	return textureSample(r_texture, r_sampler, vertex.sampledir);
+	return textureSample(cube_texture, model_sampler, vertex.sampledir);
 }
 
 @fragment
-fn fs_entity(vertex: EntityOutput) -> @location(0) vec4<f32> {
+fn fs_entity_texture(vertex: EntityOutputTexture) -> @location(0) vec4<f32> {
 	let incident = normalize(vertex.view);
 	let normal = normalize(vertex.normal);
 	let d = dot(normal, incident);
 	let reflected = incident - 2.0 * d * normal;
 
-	let dir = vec3<f32>(-1.0)+2.0*vec3<f32>(vertex.texture.x,0.0,vertex.texture.y);
-	let texture_color = textureSample(r_texture, r_sampler, dir).rgb;
-	let reflected_color = textureSample(r_texture, r_sampler, reflected).rgb;
-	return vec4<f32>(mix(vec3<f32>(0.1) + 0.5 * reflected_color,texture_color,1.0-pow(1.0-abs(d),2.0)), 1.0);
-}
-
-fn modulo_euclidean (a: f32, b: f32) -> f32 {
-	var m = a % b;
-	if (m < 0.0) {
-		if (b < 0.0) {
-			m -= b;
-		} else {
-			m += b;
-		}
-	}
-	return m;
-}
-
-@fragment
-fn fs_ground(vertex: GroundOutput) -> @location(0) vec4<f32> {
-	let dir = vec3<f32>(-1.0)+vec3<f32>(modulo_euclidean(vertex.pos.x/16.,1.0),0.0,modulo_euclidean(vertex.pos.z/16.,1.0))*2.0;
-	return vec4<f32>(textureSample(r_texture, r_sampler, dir).rgb, 1.0);
+	let fragment_color = textureSample(model_texture, model_sampler, vertex.texture)*vertex.color;
+	let reflected_color = textureSample(cube_texture, cube_sampler, reflected).rgb;
+	return mix(vec4<f32>(vec3<f32>(0.1) + 0.5 * reflected_color,1.0),fragment_color,1.0-pow(1.0-abs(d),2.0));
 }