deduplicate models

why can't I make this into a function

Cargo.lock

@@ -331,6 +331,12 @@ dependencies = [
  "crossbeam-utils",
 ]
 
+[[package]]
+name = "configparser"
+version = "3.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5458d9d1a587efaf5091602c59d299696a3877a439c8f6d461a2d3cce11df87a"
+
 [[package]]
 name = "constant_time_eq"
 version = "0.3.0"
@@ -834,6 +840,29 @@ dependencies = [
  "pkg-config",
 ]
 
+[[package]]
+name = "lazy-regex"
+version = "3.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e723bd417b2df60a0f6a2b6825f297ea04b245d4ba52b5a22cb679bdf58b05fa"
+dependencies = [
+ "lazy-regex-proc_macros",
+ "once_cell",
+ "regex",
+]
+
+[[package]]
+name = "lazy-regex-proc_macros"
+version = "3.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0f0a1d9139f0ee2e862e08a9c5d0ba0470f2aa21cd1e1aa1b1562f83116c725f"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "regex",
+ "syn 2.0.29",
+]
+
 [[package]]
 name = "lazy_static"
 version = "1.4.0"
@@ -1659,21 +1688,23 @@ checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
 [[package]]
 name = "strafe-client"
-version = "0.7.0"
+version = "0.8.0"
 dependencies = [
  "async-executor",
  "bytemuck",
+ "configparser",
  "ddsfile",
  "env_logger",
  "glam",
+ "lazy-regex",
  "log",
  "obj",
+ "parking_lot",
  "pollster",
  "rbx_binary",
  "rbx_dom_weak",
  "rbx_reflection_database",
  "rbx_xml",
- "regex",
  "wgpu",
  "winit",
 ]

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "strafe-client"
-version = "0.7.0"
+version = "0.8.0"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
@@ -8,21 +8,23 @@ edition = "2021"
 [dependencies]
 async-executor = "1.5.1"
 bytemuck = { version = "1.13.1", features = ["derive"] }
+configparser = "3.0.2"
 ddsfile = "0.5.1"
 env_logger = "0.10.0"
 glam = "0.24.1"
+lazy-regex = "3.0.2"
 log = "0.4.20"
 obj = "0.10.2"
+parking_lot = "0.12.1"
 pollster = "0.3.0"
 rbx_binary = "0.7.1"
 rbx_dom_weak = "2.5.0"
 rbx_reflection_database = "0.2.7"
 rbx_xml = "0.13.1"
-regex = "1.9.5"
 wgpu = "0.17.0"
 winit = "0.28.6"
 
-[profile.release]
-lto = true
-strip = true
-codegen-units = 1
+#[profile.release]
+#lto = true
+#strip = true
+#codegen-units = 1

src/aabb.rs

@@ -0,0 +1,89 @@
+use crate::integer::Planar64Vec3;
+
+#[derive(Debug,Clone,Copy,Hash,Eq,PartialEq)]
+pub enum AabbFace{
+	Right,//+X
+	Top,
+	Back,
+	Left,
+	Bottom,
+	Front,
+}
+#[derive(Clone)]
+pub struct Aabb{
+	pub min:Planar64Vec3,
+	pub max:Planar64Vec3,
+}
+
+impl Default for Aabb {
+	fn default()->Self {
+		Self{min:Planar64Vec3::MAX,max:Planar64Vec3::MIN}
+	}
+}
+
+impl Aabb{
+	const VERTEX_DATA:[Planar64Vec3;8]=[
+		Planar64Vec3::int( 1,-1,-1),
+		Planar64Vec3::int( 1, 1,-1),
+		Planar64Vec3::int( 1, 1, 1),
+		Planar64Vec3::int( 1,-1, 1),
+		Planar64Vec3::int(-1,-1, 1),
+		Planar64Vec3::int(-1, 1, 1),
+		Planar64Vec3::int(-1, 1,-1),
+		Planar64Vec3::int(-1,-1,-1),
+	];
+
+	pub fn grow(&mut self,point:Planar64Vec3){
+		self.min=self.min.min(point);
+		self.max=self.max.max(point);
+	}
+	pub fn join(&mut self,aabb:&Aabb){
+		self.min=self.min.min(aabb.min);
+		self.max=self.max.max(aabb.max);
+	}
+	pub fn inflate(&mut self,hs:Planar64Vec3){
+		self.min-=hs;
+		self.max+=hs;
+	}
+	pub fn intersects(&self,aabb:&Aabb)->bool{
+		(self.min.cmplt(aabb.max)&aabb.min.cmplt(self.max)).all()
+	}
+	pub fn normal(face:AabbFace)->Planar64Vec3{
+		match face {
+			AabbFace::Right=>Planar64Vec3::int(1,0,0),
+			AabbFace::Top=>Planar64Vec3::int(0,1,0),
+			AabbFace::Back=>Planar64Vec3::int(0,0,1),
+			AabbFace::Left=>Planar64Vec3::int(-1,0,0),
+			AabbFace::Bottom=>Planar64Vec3::int(0,-1,0),
+			AabbFace::Front=>Planar64Vec3::int(0,0,-1),
+		}
+	}
+	pub fn unit_vertices()->[Planar64Vec3;8] {
+		return Self::VERTEX_DATA;
+	}
+	// pub fn face(&self,face:AabbFace)->Aabb {
+	// 	let mut aabb=self.clone();
+	// 	//in this implementation face = worldspace aabb face
+	// 	match face {
+	// 		AabbFace::Right => aabb.min.x=aabb.max.x,
+	// 		AabbFace::Top => aabb.min.y=aabb.max.y,
+	// 		AabbFace::Back => aabb.min.z=aabb.max.z,
+	// 		AabbFace::Left => aabb.max.x=aabb.min.x,
+	// 		AabbFace::Bottom => aabb.max.y=aabb.min.y,
+	// 		AabbFace::Front => aabb.max.z=aabb.min.z,
+	// 	}
+	// 	return aabb;
+	// }
+	pub fn center(&self)->Planar64Vec3{
+		return self.min.midpoint(self.max)
+	}
+	//probably use floats for area & volume because we don't care about precision
+	// pub fn area_weight(&self)->f32{
+	// 	let d=self.max-self.min;
+	// 	d.x*d.y+d.y*d.z+d.z*d.x
+	// }
+	// pub fn volume(&self)->f32{
+	// 	let d=self.max-self.min;
+	// 	d.x*d.y*d.z
+	// }
+}

src/bvh.rs

@@ -0,0 +1,107 @@
+use crate::aabb::Aabb;
+
+//da algaritum
+//lista boxens
+//sort by {minx,maxx,miny,maxy,minz,maxz} (6 lists)
+//find the sets that minimizes the sum of surface areas
+//splitting is done when the minimum split sum of surface areas is larger than the node's own surface area
+
+//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
+#[derive(Default)]
+pub struct BvhNode{
+	children:Vec<Self>,
+	models:Vec<u32>,
+	aabb:Aabb,
+}
+
+impl BvhNode{
+	pub fn the_tester<F:FnMut(u32)>(&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);
+			}
+		}
+	}
+}
+
+pub fn generate_bvh(boxen:Vec<Aabb>)->BvhNode{
+	generate_bvh_node(boxen.into_iter().enumerate().collect())
+}
+
+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 as u32}).collect();
+		BvhNode{
+			children:Vec::new(),
+			models,
+			aabb,
+		}
+	}else{
+		let mut octant=std::collections::HashMap::with_capacity(n);//this ids which octant the boxen is put in
+		let mut sort_x=Vec::with_capacity(n);
+		let mut sort_y=Vec::with_capacity(n);
+		let mut sort_z=Vec::with_capacity(n);
+		for (i,aabb) in boxen.iter(){
+			let center=aabb.center();
+			octant.insert(*i,0);
+			sort_x.push((*i,center.x()));
+			sort_y.push((*i,center.y()));
+			sort_z.push((*i,center.z()));
+		}
+		sort_x.sort_by(|tup0,tup1|tup0.1.partial_cmp(&tup1.1).unwrap());
+		sort_y.sort_by(|tup0,tup1|tup0.1.partial_cmp(&tup1.1).unwrap());
+		sort_z.sort_by(|tup0,tup1|tup0.1.partial_cmp(&tup1.1).unwrap());
+		let h=n/2;
+		let median_x=sort_x[h].1;
+		let median_y=sort_y[h].1;
+		let median_z=sort_z[h].1;
+		for (i,c) in sort_x{
+			if median_x<c{
+				octant.insert(i,octant[&i]+1<<0);
+			}
+		}
+		for (i,c) in sort_y{
+			if median_y<c{
+				octant.insert(i,octant[&i]+1<<1);
+			}
+		}
+		for (i,c) in sort_z{
+			if median_z<c{
+				octant.insert(i,octant[&i]+1<<2);
+			}
+		}
+		//generate lists for unique octant values
+		let mut list_list=Vec::with_capacity(8);
+		let mut octant_list=Vec::with_capacity(8);
+		for (i,aabb) in boxen.into_iter(){
+			let octant_id=octant[&i];
+			let list_id=if let Some(list_id)=octant_list.iter().position(|&id|id==octant_id){
+				list_id
+			}else{
+				let list_id=list_list.len();
+				octant_list.push(octant_id);
+				list_list.push(Vec::new());
+				list_id
+			};
+			list_list[list_id].push((i,aabb));
+		}
+		let mut aabb=Aabb::default();
+		let children=list_list.into_iter().map(|b|{
+			let node=generate_bvh_node(b);
+			aabb.join(&node.aabb);
+			node
+		}).collect();
+		BvhNode{
+			children,
+			models:Vec::new(),
+			aabb,
+		}
+	}
+}

src/framework.rs

@@ -51,8 +51,9 @@ pub trait Example: 'static + Sized {
 		device: &wgpu::Device,
 		queue: &wgpu::Queue,
 	);
-	fn update(&mut self, device: &wgpu::Device, queue: &wgpu::Queue, event: WindowEvent);
-	fn device_event(&mut self, event: DeviceEvent);
+	fn update(&mut self, window: &winit::window::Window, device: &wgpu::Device, queue: &wgpu::Queue, event: WindowEvent);
+	fn device_event(&mut self, window: &winit::window::Window, event: DeviceEvent);
+	fn load_file(&mut self, path:std::path::PathBuf, device: &wgpu::Device, queue: &wgpu::Queue);
 	fn render(
 		&mut self,
 		view: &wgpu::TextureView,
@@ -367,14 +368,14 @@ fn start<E: Example>(
 					println!("{:#?}", instance.generate_report());
 				}
 				_ => {
-					example.update(&device,&queue,event);
+					example.update(&window,&device,&queue,event);
 				}
 			},
 			event::Event::DeviceEvent {
 				event,
 				..
 			} => {
-				example.device_event(event);
+				example.device_event(&window,event);
 			},
 			event::Event::RedrawRequested(_) => {
 

src/instruction.rs

@@ -1,23 +1,25 @@
+use crate::integer::Time;
+
 #[derive(Debug)]
-pub struct TimedInstruction<I> {
-	pub time: crate::body::TIME,
-	pub instruction: I,
+pub struct TimedInstruction<I>{
+	pub time:Time,
+	pub instruction:I,
 }
 
-pub trait InstructionEmitter<I> {
-	fn next_instruction(&self, time_limit:crate::body::TIME) -> Option<TimedInstruction<I>>;
+pub trait InstructionEmitter<I>{
+	fn next_instruction(&self,time_limit:Time)->Option<TimedInstruction<I>>;
 }
-pub trait InstructionConsumer<I> {
+pub trait InstructionConsumer<I>{
 	fn process_instruction(&mut self, instruction:TimedInstruction<I>);
 }
 
 //PROPER PRIVATE FIELDS!!!
-pub struct InstructionCollector<I> {
-	time: crate::body::TIME,
-	instruction: Option<I>,
+pub struct InstructionCollector<I>{
+	time:Time,
+	instruction:Option<I>,
 }
-impl<I> InstructionCollector<I> {
-	pub fn new(time:crate::body::TIME) -> Self {
+impl<I> InstructionCollector<I>{
+	pub fn new(time:Time)->Self{
 		Self{
 			time,
 			instruction:None
@@ -25,24 +27,24 @@ impl<I> InstructionCollector<I> {
 	}
 
 	pub fn collect(&mut self,instruction:Option<TimedInstruction<I>>){
-		match instruction {
-			Some(unwrap_instruction) => {
+		match instruction{
+			Some(unwrap_instruction)=>{
 				if unwrap_instruction.time<self.time {
 					self.time=unwrap_instruction.time;
 					self.instruction=Some(unwrap_instruction.instruction);
 				}
 			},
-			None => (),
+			None=>(),
 		}
 	}
-	pub fn instruction(self) -> Option<TimedInstruction<I>> {
+	pub fn instruction(self)->Option<TimedInstruction<I>>{
 		//STEAL INSTRUCTION AND DESTROY INSTRUCTIONCOLLECTOR
-		match self.instruction {
+		match self.instruction{
 			Some(instruction)=>Some(TimedInstruction{
 				time:self.time,
 				instruction
 			}),
-			None => None,
+			None=>None,
 		}
 	}
 }

src/integer.rs

@@ -0,0 +1,925 @@
+//integer units
+#[derive(Clone,Copy,Hash,PartialEq,PartialOrd,Debug)]
+pub struct Time(i64);
+impl Time{
+	pub const ZERO:Self=Self(0);
+	pub const ONE_SECOND:Self=Self(1_000_000_000);
+	pub const ONE_MILLISECOND:Self=Self(1_000_000);
+	pub const ONE_MICROSECOND:Self=Self(1_000);
+	pub const ONE_NANOSECOND:Self=Self(1);
+	#[inline]
+	pub fn from_secs(num:i64)->Self{
+		Self(Self::ONE_SECOND.0*num)
+	}
+	#[inline]
+	pub fn from_millis(num:i64)->Self{
+		Self(Self::ONE_MILLISECOND.0*num)
+	}
+	#[inline]
+	pub fn from_micros(num:i64)->Self{
+		Self(Self::ONE_MICROSECOND.0*num)
+	}
+	#[inline]
+	pub fn from_nanos(num:i64)->Self{
+		Self(Self::ONE_NANOSECOND.0*num)
+	}
+	//should I have checked subtraction? force all time variables to be positive?
+	#[inline]
+	pub fn nanos(&self)->i64{
+		self.0
+	}
+}
+impl From<Planar64> for Time{
+	#[inline]
+	fn from(value:Planar64)->Self{
+		Time((((value.0 as i128)*1_000_000_000)>>32) as i64)
+	}
+}
+impl std::fmt::Display for Time{
+	#[inline]
+	fn fmt(&self,f:&mut std::fmt::Formatter<'_>)->std::fmt::Result{
+		write!(f,"{}s+{:09}ns",self.0/Self::ONE_SECOND.0,self.0%Self::ONE_SECOND.0)
+	}
+}
+impl std::ops::Neg for Time{
+	type Output=Time;
+	#[inline]
+	fn neg(self)->Self::Output {
+		Time(-self.0)
+	}
+}
+impl std::ops::Add<Time> for Time{
+	type Output=Time;
+	#[inline]
+	fn add(self,rhs:Self)->Self::Output {
+		Time(self.0+rhs.0)
+	}
+}
+impl std::ops::Sub<Time> for Time{
+	type Output=Time;
+	#[inline]
+	fn sub(self,rhs:Self)->Self::Output {
+		Time(self.0-rhs.0)
+	}
+}
+impl std::ops::Mul<Time> for Time{
+	type Output=Time;
+	#[inline]
+	fn mul(self,rhs:Time)->Self::Output{
+		Self((((self.0 as i128)*(rhs.0 as i128))/1_000_000_000) as i64)
+	}
+}
+impl std::ops::Div<i64> for Time{
+	type Output=Time;
+	#[inline]
+	fn div(self,rhs:i64)->Self::Output {
+		Time(self.0/rhs)
+	}
+}
+
+#[inline]
+const fn gcd(mut a:u64,mut b:u64)->u64{
+	while b!=0{
+		(a,b)=(b,a.rem_euclid(b));
+	};
+	a
+}
+#[derive(Clone,Hash)]
+pub struct Ratio64{
+	num:i64,
+	den:u64,
+}
+impl Ratio64{
+	pub const ZERO:Self=Ratio64{num:0,den:1};
+	pub const ONE:Self=Ratio64{num:1,den:1};
+	#[inline]
+	pub const fn new(num:i64,den:u64)->Option<Ratio64>{
+		if den==0{
+			None
+		}else{
+			let d=gcd(num.unsigned_abs(),den);
+			Some(Self{num:num/d as i64,den:den/d})
+		}
+	}
+	#[inline]
+	pub fn mul_int(&self,rhs:i64)->i64{
+		rhs*self.num/self.den as i64
+	}
+	#[inline]
+	pub fn rhs_div_int(&self,rhs:i64)->i64{
+		rhs*self.den as i64/self.num
+	}
+	#[inline]
+	pub fn mul_ref(&self,rhs:&Ratio64)->Ratio64{
+		let (num,den)=(self.num*rhs.num,self.den*rhs.den);
+		let d=gcd(num.unsigned_abs(),den);
+		Self{
+			num:num/d as i64,
+			den:den/d,
+		}
+	}
+}
+//from num_traits crate
+#[inline]
+fn integer_decode_f32(f: f32) -> (u64, i16, i8) {
+	let bits: u32 = f.to_bits();
+	let sign: i8 = if bits >> 31 == 0 { 1 } else { -1 };
+	let mut exponent: i16 = ((bits >> 23) & 0xff) as i16;
+	let mantissa = if exponent == 0 {
+		(bits & 0x7fffff) << 1
+	} else {
+		(bits & 0x7fffff) | 0x800000
+	};
+	// Exponent bias + mantissa shift
+	exponent -= 127 + 23;
+	(mantissa as u64, exponent, sign)
+}
+#[inline]
+fn integer_decode_f64(f: f64) -> (u64, i16, i8) {
+	let bits: u64 = f.to_bits();
+	let sign: i8 = if bits >> 63 == 0 { 1 } else { -1 };
+	let mut exponent: i16 = ((bits >> 52) & 0x7ff) as i16;
+	let mantissa = if exponent == 0 {
+		(bits & 0xfffffffffffff) << 1
+	} else {
+		(bits & 0xfffffffffffff) | 0x10000000000000
+	};
+	// Exponent bias + mantissa shift
+	exponent -= 1023 + 52;
+	(mantissa, exponent, sign)
+}
+#[derive(Debug)]
+pub enum Ratio64TryFromFloatError{
+	Nan,
+	Infinite,
+	Subnormal,
+	HighlyNegativeExponent(i16),
+	HighlyPositiveExponent(i16),
+}
+const MAX_DENOMINATOR:u128=u64::MAX as u128;
+#[inline]
+fn ratio64_from_mes((m,e,s):(u64,i16,i8))->Result<Ratio64,Ratio64TryFromFloatError>{
+	if e< -127{
+		//this can also just be zero
+		Err(Ratio64TryFromFloatError::HighlyNegativeExponent(e))
+	}else if e< -63{
+		//approximate input ratio within denominator limit
+		let mut target_num=m as u128;
+		let mut target_den=1u128<<-e;
+
+		let mut num=1;
+		let mut den=0;
+		let mut prev_num=0;
+		let mut prev_den=1;
+
+		while target_den!=0{
+			let whole=target_num/target_den;
+			(target_num,target_den)=(target_den,target_num-whole*target_den);
+			let new_num=whole*num+prev_num;
+			let new_den=whole*den+prev_den;
+			if MAX_DENOMINATOR<new_den{
+				break;
+			}else{
+				(prev_num,prev_den)=(num,den);
+				(num,den)=(new_num,new_den);
+			}
+		}
+
+		Ok(Ratio64::new(num as i64,den as u64).unwrap())
+	}else if e<0{
+		Ok(Ratio64::new((m as i64)*(s as i64),1<<-e).unwrap())
+	}else if (64-m.leading_zeros() as i16)+e<64{
+		Ok(Ratio64::new((m as i64)*(s as i64)*(1<<e),1).unwrap())
+	}else{
+		Err(Ratio64TryFromFloatError::HighlyPositiveExponent(e))
+	}
+}
+impl TryFrom<f32> for Ratio64{
+	type Error=Ratio64TryFromFloatError;
+	#[inline]
+	fn try_from(value:f32)->Result<Self,Self::Error>{
+		match value.classify(){
+			std::num::FpCategory::Nan=>Err(Self::Error::Nan),
+			std::num::FpCategory::Infinite=>Err(Self::Error::Infinite),
+			std::num::FpCategory::Zero=>Ok(Self::ZERO),
+			std::num::FpCategory::Subnormal=>Err(Self::Error::Subnormal),
+			std::num::FpCategory::Normal=>ratio64_from_mes(integer_decode_f32(value)),
+		}
+	}
+}
+impl TryFrom<f64> for Ratio64{
+	type Error=Ratio64TryFromFloatError;
+	#[inline]
+	fn try_from(value:f64)->Result<Self,Self::Error>{
+		match value.classify(){
+			std::num::FpCategory::Nan=>Err(Self::Error::Nan),
+			std::num::FpCategory::Infinite=>Err(Self::Error::Infinite),
+			std::num::FpCategory::Zero=>Ok(Self::ZERO),
+			std::num::FpCategory::Subnormal=>Err(Self::Error::Subnormal),
+			std::num::FpCategory::Normal=>ratio64_from_mes(integer_decode_f64(value)),
+		}
+	}
+}
+impl std::ops::Mul<Ratio64> for Ratio64{
+	type Output=Ratio64;
+	#[inline]
+	fn mul(self,rhs:Ratio64)->Self::Output{
+		let (num,den)=(self.num*rhs.num,self.den*rhs.den);
+		let d=gcd(num.unsigned_abs(),den);
+		Self{
+			num:num/d as i64,
+			den:den/d,
+		}
+	}
+}
+impl std::ops::Mul<i64> for Ratio64{
+	type Output=Ratio64;
+	#[inline]
+	fn mul(self,rhs:i64)->Self::Output {
+		Self{
+			num:self.num*rhs,
+			den:self.den,
+		}
+	}
+}
+impl std::ops::Div<u64> for Ratio64{
+	type Output=Ratio64;
+	#[inline]
+	fn div(self,rhs:u64)->Self::Output {
+		Self{
+			num:self.num,
+			den:self.den*rhs,
+		}
+	}
+}
+#[derive(Clone,Hash)]
+pub struct Ratio64Vec2{
+	pub x:Ratio64,
+	pub y:Ratio64,
+}
+impl Ratio64Vec2{
+	pub const ONE:Self=Self{x:Ratio64::ONE,y:Ratio64::ONE};
+	#[inline]
+	pub fn new(x:Ratio64,y:Ratio64)->Self{
+		Self{x,y}
+	}
+	#[inline]
+	pub fn mul_int(&self,rhs:glam::I64Vec2)->glam::I64Vec2{
+		glam::i64vec2(
+			self.x.mul_int(rhs.x),
+			self.y.mul_int(rhs.y),
+		)
+	}
+}
+impl std::ops::Mul<i64> for Ratio64Vec2{
+	type Output=Ratio64Vec2;
+	#[inline]
+	fn mul(self,rhs:i64)->Self::Output {
+		Self{
+			x:self.x*rhs,
+			y:self.y*rhs,
+		}
+	}
+}
+
+///[-pi,pi) = [-2^31,2^31-1]
+#[derive(Clone,Copy,Hash)]
+pub struct Angle32(i32);
+impl Angle32{
+	pub const FRAC_PI_2:Self=Self(1<<30);
+	pub const PI:Self=Self(-1<<31);
+	#[inline]
+	pub fn wrap_from_i64(theta:i64)->Self{
+		//take lower bits
+		//note: this was checked on compiler explorer and compiles to 1 instruction!
+		Self(i32::from_ne_bytes(((theta&((1<<32)-1)) as u32).to_ne_bytes()))
+	}
+	#[inline]
+	pub fn clamp_from_i64(theta:i64)->Self{
+		//the assembly is a bit confusing for this, I thought it was checking the same thing twice
+		//but it's just checking and then overwriting the value for both upper and lower bounds.
+		Self(theta.clamp(i32::MIN as i64,i32::MAX as i64) as i32)
+	}
+	#[inline]
+	pub fn get(&self)->i32{
+		self.0
+	}
+	/// Clamps the value towards the midpoint of the range.
+	/// Note that theta_min can be larger than theta_max and it will wrap clamp the other way around
+	#[inline]
+	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()))
+			/2
+		) as i32)//(u32::MAX/2) as i32 ALWAYS works
+		.wrapping_add(theta_min.0);
+		//(theta-mid).clamp(max-mid,min-mid)+mid
+		Self(
+			self.0.wrapping_sub(midpoint)
+			.max(theta_min.0.wrapping_sub(midpoint))
+			.min(theta_max.0.wrapping_sub(midpoint))
+			.wrapping_add(midpoint)
+		)
+	}
+	/*
+	#[inline]
+	pub fn cos(&self)->Unit32{
+		//TODO: fix this rounding towards 0
+		Unit32(unsafe{((self.0 as f64*ANGLE32_TO_FLOAT64_RADIANS).cos()*UNIT32_ONE_FLOAT64).to_int_unchecked()})
+	}
+	#[inline]
+	pub fn sin(&self)->Unit32{
+		//TODO: fix this rounding towards 0
+		Unit32(unsafe{((self.0 as f64*ANGLE32_TO_FLOAT64_RADIANS).sin()*UNIT32_ONE_FLOAT64).to_int_unchecked()})
+	}
+	*/
+}
+const ANGLE32_TO_FLOAT64_RADIANS:f64=std::f64::consts::PI/((1i64<<31) as f64);
+impl Into<f32> for Angle32{
+	#[inline]
+	fn into(self)->f32{
+		(self.0 as f64*ANGLE32_TO_FLOAT64_RADIANS) as f32
+	}
+}
+impl std::ops::Neg for Angle32{
+	type Output=Angle32;
+	#[inline]
+	fn neg(self)->Self::Output{
+		Angle32(self.0.wrapping_neg())
+	}
+}
+impl std::ops::Add<Angle32> for Angle32{
+	type Output=Angle32;
+	#[inline]
+	fn add(self,rhs:Self)->Self::Output {
+		Angle32(self.0.wrapping_add(rhs.0))
+	}
+}
+impl std::ops::Sub<Angle32> for Angle32{
+	type Output=Angle32;
+	#[inline]
+	fn sub(self,rhs:Self)->Self::Output {
+		Angle32(self.0.wrapping_sub(rhs.0))
+	}
+}
+impl std::ops::Mul<i32> for Angle32{
+	type Output=Angle32;
+	#[inline]
+	fn mul(self,rhs:i32)->Self::Output {
+		Angle32(self.0.wrapping_mul(rhs))
+	}
+}
+impl std::ops::Mul<Angle32> for Angle32{
+	type Output=Angle32;
+	#[inline]
+	fn mul(self,rhs:Self)->Self::Output {
+		Angle32(self.0.wrapping_mul(rhs.0))
+	}
+}
+
+/* Unit type unused for now, may revive it for map files
+///[-1.0,1.0] = [-2^30,2^30]
+pub struct Unit32(i32);
+impl Unit32{
+	#[inline]
+	pub fn as_planar64(&self) -> Planar64{
+		Planar64(4*(self.0 as i64))
+	}
+}
+const UNIT32_ONE_FLOAT64=((1<<30) as f64);
+///[-1.0,1.0] = [-2^30,2^30]
+pub struct Unit32Vec3(glam::IVec3);
+impl TryFrom<[f32;3]> for Unit32Vec3{
+	type Error=Unit32TryFromFloatError;
+	fn try_from(value:[f32;3])->Result<Self,Self::Error>{
+		Ok(Self(glam::ivec3(
+			Unit32::try_from(Planar64::try_from(value[0])?)?.0,
+			Unit32::try_from(Planar64::try_from(value[1])?)?.0,
+			Unit32::try_from(Planar64::try_from(value[2])?)?.0,
+		)))
+	}
+}
+*/
+
+///[-1.0,1.0] = [-2^32,2^32]
+#[derive(Clone,Copy,Hash,Eq,Ord,PartialEq,PartialOrd)]
+pub struct Planar64(i64);
+impl Planar64{
+	pub const ZERO:Self=Self(0);
+	pub const ONE:Self=Self(1<<32);
+	#[inline]
+	pub const fn int(num:i32)->Self{
+		Self(Self::ONE.0*num as i64)
+	}
+	#[inline]
+	pub const fn raw(num:i64)->Self{
+		Self(num)
+	}
+	#[inline]
+	pub const fn get(&self)->i64{
+		self.0
+	}
+	pub fn sqrt(&self)->Self{
+		Planar64(unsafe{(((self.0 as i128)<<32) as f64).sqrt().to_int_unchecked()})
+	}
+}
+const PLANAR64_ONE_FLOAT32:f32=(1u64<<32) as f32;
+const PLANAR64_CONVERT_TO_FLOAT32:f32=1.0/PLANAR64_ONE_FLOAT32;
+const PLANAR64_ONE_FLOAT64:f64=(1u64<<32) as f64;
+impl Into<f32> for Planar64{
+	#[inline]
+	fn into(self)->f32{
+		self.0 as f32*PLANAR64_CONVERT_TO_FLOAT32
+	}
+}
+impl From<Ratio64> for Planar64{
+	#[inline]
+	fn from(ratio:Ratio64)->Self{
+		Self((((ratio.num as i128)<<32)/ratio.den as i128) as i64)
+	}
+}
+#[derive(Debug)]
+pub enum Planar64TryFromFloatError{
+	Nan,
+	Infinite,
+	Subnormal,
+	HighlyNegativeExponent(i16),
+	HighlyPositiveExponent(i16),
+}
+#[inline]
+fn planar64_from_mes((m,e,s):(u64,i16,i8))->Result<Planar64,Planar64TryFromFloatError>{
+	let e32=e+32;
+	if e32<0&&(m>>-e32)==0{//shifting m will underflow to 0
+		Ok(Planar64::ZERO)
+		// println!("m{} e{} s{}",m,e,s);
+		// println!("f={}",(m as f64)*(2.0f64.powf(e as f64))*(s as f64));
+		// Err(Planar64TryFromFloatError::HighlyNegativeExponent(e))
+	}else if (64-m.leading_zeros() as i16)+e32<64{//shifting m will not overflow
+		if e32<0{
+			Ok(Planar64((m as i64)*(s as i64)>>-e32))
+		}else{
+			Ok(Planar64((m as i64)*(s as i64)<<e32))
+		}
+	}else{//if shifting m will overflow (prev check failed)
+		Err(Planar64TryFromFloatError::HighlyPositiveExponent(e))
+	}
+}
+impl TryFrom<f32> for Planar64{
+	type Error=Planar64TryFromFloatError;
+	#[inline]
+	fn try_from(value:f32)->Result<Self,Self::Error>{
+		match value.classify(){
+			std::num::FpCategory::Nan=>Err(Self::Error::Nan),
+			std::num::FpCategory::Infinite=>Err(Self::Error::Infinite),
+			std::num::FpCategory::Zero=>Ok(Self::ZERO),
+			std::num::FpCategory::Subnormal=>Err(Self::Error::Subnormal),
+			std::num::FpCategory::Normal=>planar64_from_mes(integer_decode_f32(value)),
+		}
+	}
+}
+impl TryFrom<f64> for Planar64{
+	type Error=Planar64TryFromFloatError;
+	#[inline]
+	fn try_from(value:f64)->Result<Self,Self::Error>{
+		match value.classify(){
+			std::num::FpCategory::Nan=>Err(Self::Error::Nan),
+			std::num::FpCategory::Infinite=>Err(Self::Error::Infinite),
+			std::num::FpCategory::Zero=>Ok(Self::ZERO),
+			std::num::FpCategory::Subnormal=>Err(Self::Error::Subnormal),
+			std::num::FpCategory::Normal=>planar64_from_mes(integer_decode_f64(value)),
+		}
+	}
+}
+impl std::fmt::Display for Planar64{
+	fn fmt(&self,f:&mut std::fmt::Formatter<'_>)->std::fmt::Result{
+		write!(f,"{:.3}",
+			Into::<f32>::into(*self),
+		)
+	}
+}
+impl std::ops::Neg for Planar64{
+	type Output=Planar64;
+	#[inline]
+	fn neg(self)->Self::Output{
+		Planar64(-self.0)
+	}
+}
+impl std::ops::Add<Planar64> for Planar64{
+	type Output=Planar64;
+	#[inline]
+	fn add(self, rhs: Self) -> Self::Output {
+		Planar64(self.0+rhs.0)
+	}
+}
+impl std::ops::Sub<Planar64> for Planar64{
+	type Output=Planar64;
+	#[inline]
+	fn sub(self, rhs: Self) -> Self::Output {
+		Planar64(self.0-rhs.0)
+	}
+}
+impl std::ops::Mul<i64> for Planar64{
+	type Output=Planar64;
+	#[inline]
+	fn mul(self, rhs: i64) -> Self::Output {
+		Planar64(self.0*rhs)
+	}
+}
+impl std::ops::Mul<Planar64> for Planar64{
+	type Output=Planar64;
+	#[inline]
+	fn mul(self, rhs: Self) -> Self::Output {
+		Planar64((((self.0 as i128)*(rhs.0 as i128))>>32) as i64)
+	}
+}
+impl std::ops::Div<i64> for Planar64{
+	type Output=Planar64;
+	#[inline]
+	fn div(self, rhs: i64) -> Self::Output {
+		Planar64(self.0/rhs)
+	}
+}
+impl std::ops::Div<Planar64> for Planar64{
+	type Output=Planar64;
+	#[inline]
+	fn div(self, rhs: Planar64) -> Self::Output {
+		Planar64((((self.0 as i128)<<32)/rhs.0 as i128) as i64)
+	}
+}
+// impl PartialOrd<i64> for Planar64{
+// 	fn partial_cmp(&self, other: &i64) -> Option<std::cmp::Ordering> {
+// 		self.0.partial_cmp(other)
+// 	}
+// }
+
+
+///[-1.0,1.0] = [-2^32,2^32]
+#[derive(Clone,Copy,Default,Hash,Eq,PartialEq)]
+pub struct Planar64Vec3(glam::I64Vec3);
+impl Planar64Vec3{
+	pub const ZERO:Self=Planar64Vec3(glam::I64Vec3::ZERO);
+	pub const ONE:Self=Self::int(1,1,1);
+	pub const X:Self=Self::int(1,0,0);
+	pub const Y:Self=Self::int(0,1,0);
+	pub const Z:Self=Self::int(0,0,1);
+	pub const NEG_X:Self=Self::int(-1,0,0);
+	pub const NEG_Y:Self=Self::int(0,-1,0);
+	pub const NEG_Z:Self=Self::int(0,0,-1);
+	pub const MIN:Self=Planar64Vec3(glam::I64Vec3::MIN);
+	pub const MAX:Self=Planar64Vec3(glam::I64Vec3::MAX);
+	#[inline]
+	pub const fn int(x:i32,y:i32,z:i32)->Self{
+		Self(glam::i64vec3((x as i64)<<32,(y as i64)<<32,(z as i64)<<32))
+	}
+	#[inline]
+	pub fn x(&self)->Planar64{
+		Planar64(self.0.x)
+	}
+	#[inline]
+	pub fn y(&self)->Planar64{
+		Planar64(self.0.y)
+	}
+	#[inline]
+	pub fn z(&self)->Planar64{
+		Planar64(self.0.z)
+	}
+	#[inline]
+	pub fn min(&self,rhs:Self)->Self{
+		Self(glam::i64vec3(
+			self.0.x.min(rhs.0.x),
+			self.0.y.min(rhs.0.y),
+			self.0.z.min(rhs.0.z),
+		))
+	}
+	#[inline]
+	pub fn max(&self,rhs:Self)->Self{
+		Self(glam::i64vec3(
+			self.0.x.max(rhs.0.x),
+			self.0.y.max(rhs.0.y),
+			self.0.z.max(rhs.0.z),
+		))
+	}
+	#[inline]
+	pub fn midpoint(&self,rhs:Self)->Self{
+		Self((self.0+rhs.0)/2)
+	}
+	#[inline]
+	pub fn cmplt(&self,rhs:Self)->glam::BVec3{
+		self.0.cmplt(rhs.0)
+	}
+	#[inline]
+	pub fn dot(&self,rhs:Self)->Planar64{
+		Planar64(((
+			(self.0.x as i128)*(rhs.0.x as i128)+
+			(self.0.y as i128)*(rhs.0.y as i128)+
+			(self.0.z as i128)*(rhs.0.z as i128)
+		)>>32) as i64)
+	}
+	#[inline]
+	pub fn length(&self)->Planar64{
+		let radicand=(self.0.x as i128)*(self.0.x as i128)+(self.0.y as i128)*(self.0.y as i128)+(self.0.z as i128)*(self.0.z as i128);
+		Planar64(unsafe{(radicand as f64).sqrt().to_int_unchecked()})
+	}
+	#[inline]
+	pub fn with_length(&self,length:Planar64)->Self{
+		let radicand=(self.0.x as i128)*(self.0.x as i128)+(self.0.y as i128)*(self.0.y as i128)+(self.0.z as i128)*(self.0.z as i128);
+		let self_length:i128=unsafe{(radicand as f64).sqrt().to_int_unchecked()};
+		//self.0*length/self_length
+		Planar64Vec3(
+			glam::i64vec3(
+				((self.0.x as i128)*(length.0 as i128)/self_length) as i64,
+				((self.0.y as i128)*(length.0 as i128)/self_length) as i64,
+				((self.0.z as i128)*(length.0 as i128)/self_length) as i64,
+			)
+		)
+	}
+}
+impl Into<glam::Vec3> for Planar64Vec3{
+	#[inline]
+	fn into(self)->glam::Vec3{
+		glam::vec3(
+			self.0.x as f32,
+			self.0.y as f32,
+			self.0.z as f32,
+		)*PLANAR64_CONVERT_TO_FLOAT32
+	}
+}
+impl TryFrom<[f32;3]> for Planar64Vec3{
+	type Error=Planar64TryFromFloatError;
+	#[inline]
+	fn try_from(value:[f32;3])->Result<Self,Self::Error>{
+		Ok(Self(glam::i64vec3(
+			Planar64::try_from(value[0])?.0,
+			Planar64::try_from(value[1])?.0,
+			Planar64::try_from(value[2])?.0,
+		)))
+	}
+}
+impl TryFrom<glam::Vec3A> for Planar64Vec3{
+	type Error=Planar64TryFromFloatError;
+	#[inline]
+	fn try_from(value:glam::Vec3A)->Result<Self,Self::Error>{
+		Ok(Self(glam::i64vec3(
+			Planar64::try_from(value.x)?.0,
+			Planar64::try_from(value.y)?.0,
+			Planar64::try_from(value.z)?.0,
+		)))
+	}
+}
+impl std::fmt::Display for Planar64Vec3{
+	fn fmt(&self,f:&mut std::fmt::Formatter<'_>)->std::fmt::Result{
+		write!(f,"{:.3},{:.3},{:.3}",
+			Into::<f32>::into(self.x()),Into::<f32>::into(self.y()),Into::<f32>::into(self.z()),
+		)
+	}
+}
+impl std::ops::Neg for Planar64Vec3{
+	type Output=Planar64Vec3;
+	#[inline]
+	fn neg(self)->Self::Output{
+		Planar64Vec3(-self.0)
+	}
+}
+impl std::ops::Add<Planar64Vec3> for Planar64Vec3{
+	type Output=Planar64Vec3;
+	#[inline]
+	fn add(self,rhs:Planar64Vec3) -> Self::Output {
+		Planar64Vec3(self.0+rhs.0)
+	}
+}
+impl std::ops::AddAssign<Planar64Vec3> for Planar64Vec3{
+	#[inline]
+	fn add_assign(&mut self,rhs:Planar64Vec3){
+		*self=*self+rhs
+	}
+}
+impl std::ops::Sub<Planar64Vec3> for Planar64Vec3{
+	type Output=Planar64Vec3;
+	#[inline]
+	fn sub(self,rhs:Planar64Vec3) -> Self::Output {
+		Planar64Vec3(self.0-rhs.0)
+	}
+}
+impl std::ops::SubAssign<Planar64Vec3> for Planar64Vec3{
+	#[inline]
+	fn sub_assign(&mut self,rhs:Planar64Vec3){
+		*self=*self-rhs
+	}
+}
+impl std::ops::Mul<Planar64Vec3> for Planar64Vec3{
+	type Output=Planar64Vec3;
+	#[inline]
+	fn mul(self, rhs: Planar64Vec3) -> Self::Output {
+		Planar64Vec3(glam::i64vec3(
+			(((self.0.x as i128)*(rhs.0.x as i128))>>32) as i64,
+			(((self.0.y as i128)*(rhs.0.y as i128))>>32) as i64,
+			(((self.0.z as i128)*(rhs.0.z as i128))>>32) as i64
+		))
+	}
+}
+impl std::ops::Mul<Planar64> for Planar64Vec3{
+	type Output=Planar64Vec3;
+	#[inline]
+	fn mul(self, rhs: Planar64) -> Self::Output {
+		Planar64Vec3(glam::i64vec3(
+			(((self.0.x as i128)*(rhs.0 as i128))>>32) as i64,
+			(((self.0.y as i128)*(rhs.0 as i128))>>32) as i64,
+			(((self.0.z as i128)*(rhs.0 as i128))>>32) as i64
+		))
+	}
+}
+impl std::ops::Mul<i64> for Planar64Vec3{
+	type Output=Planar64Vec3;
+	#[inline]
+	fn mul(self,rhs:i64)->Self::Output {
+		Planar64Vec3(glam::i64vec3(
+			self.0.x*rhs,
+			self.0.y*rhs,
+			self.0.z*rhs
+		))
+	}
+}
+impl std::ops::Mul<Time> for Planar64Vec3{
+	type Output=Planar64Vec3;
+	#[inline]
+	fn mul(self,rhs:Time)->Self::Output{
+		Planar64Vec3(glam::i64vec3(
+			(((self.0.x as i128)*(rhs.0 as i128))/1_000_000_000) as i64,
+			(((self.0.y as i128)*(rhs.0 as i128))/1_000_000_000) as i64,
+			(((self.0.z as i128)*(rhs.0 as i128))/1_000_000_000) as i64
+		))
+	}
+}
+impl std::ops::Div<i64> for Planar64Vec3{
+	type Output=Planar64Vec3;
+	#[inline]
+	fn div(self,rhs:i64)->Self::Output{
+		Planar64Vec3(glam::i64vec3(
+			self.0.x/rhs,
+			self.0.y/rhs,
+			self.0.z/rhs,
+		))
+	}
+}
+
+///[-1.0,1.0] = [-2^32,2^32]
+#[derive(Clone,Copy)]
+pub struct Planar64Mat3{
+	x_axis:Planar64Vec3,
+	y_axis:Planar64Vec3,
+	z_axis:Planar64Vec3,
+}
+impl Default for Planar64Mat3{
+	#[inline]
+	fn default() -> Self {
+		Self{
+			x_axis:Planar64Vec3::X,
+			y_axis:Planar64Vec3::Y,
+			z_axis:Planar64Vec3::Z,
+		}
+	}
+}
+impl std::ops::Mul<Planar64Vec3> for Planar64Mat3{
+	type Output=Planar64Vec3;
+	#[inline]
+	fn mul(self,rhs:Planar64Vec3) -> Self::Output {
+		self.x_axis*rhs.x()
+		+self.y_axis*rhs.y()
+		+self.z_axis*rhs.z()
+	}
+}
+
+impl Planar64Mat3{
+	#[inline]
+	pub fn from_cols(x_axis:Planar64Vec3,y_axis:Planar64Vec3,z_axis:Planar64Vec3)->Self{
+		Self{
+			x_axis,
+			y_axis,
+			z_axis,
+		}
+	}
+	pub const fn int_from_cols_array(array:[i32;9])->Self{
+		Self{
+			x_axis:Planar64Vec3::int(array[0],array[1],array[2]),
+			y_axis:Planar64Vec3::int(array[3],array[4],array[5]),
+			z_axis:Planar64Vec3::int(array[6],array[7],array[8]),
+		}
+	}
+	#[inline]
+	pub fn from_rotation_y(angle:Angle32)->Self{
+		let theta=angle.0 as f64*ANGLE32_TO_FLOAT64_RADIANS;
+		let (s,c)=theta.sin_cos();
+		let (c,s)=(c*PLANAR64_ONE_FLOAT64,s*PLANAR64_ONE_FLOAT64);
+		//TODO: fix this rounding towards 0
+		let (c,s):(i64,i64)=(unsafe{c.to_int_unchecked()},unsafe{s.to_int_unchecked()});
+		Self::from_cols(
+			Planar64Vec3(glam::i64vec3(c,0,-s)),
+			Planar64Vec3::Y,
+			Planar64Vec3(glam::i64vec3(s,0,c)),
+		)
+	}
+}
+impl Into<glam::Mat3> for Planar64Mat3{
+	#[inline]
+	fn into(self)->glam::Mat3{
+		glam::Mat3::from_cols(
+			self.x_axis.into(),
+			self.y_axis.into(),
+			self.z_axis.into(),
+		)
+	}
+}
+impl TryFrom<glam::Mat3A> for Planar64Mat3{
+	type Error=Planar64TryFromFloatError;
+	#[inline]
+	fn try_from(value:glam::Mat3A)->Result<Self,Self::Error>{
+		Ok(Self{
+			x_axis:Planar64Vec3::try_from(value.x_axis)?,
+			y_axis:Planar64Vec3::try_from(value.y_axis)?,
+			z_axis:Planar64Vec3::try_from(value.z_axis)?,
+		})
+	}
+}
+impl std::fmt::Display for Planar64Mat3{
+	fn fmt(&self,f:&mut std::fmt::Formatter<'_>)->std::fmt::Result{
+		write!(f,"\n{:.3},{:.3},{:.3}\n{:.3},{:.3},{:.3}\n{:.3},{:.3},{:.3}",
+			Into::<f32>::into(self.x_axis.x()),Into::<f32>::into(self.x_axis.y()),Into::<f32>::into(self.x_axis.z()),
+			Into::<f32>::into(self.y_axis.x()),Into::<f32>::into(self.y_axis.y()),Into::<f32>::into(self.y_axis.z()),
+			Into::<f32>::into(self.z_axis.x()),Into::<f32>::into(self.z_axis.y()),Into::<f32>::into(self.z_axis.z()),
+		)
+	}
+}
+impl std::ops::Div<i64> for Planar64Mat3{
+	type Output=Planar64Mat3;
+	#[inline]
+	fn div(self,rhs:i64)->Self::Output{
+		Planar64Mat3{
+			x_axis:self.x_axis/rhs,
+			y_axis:self.y_axis/rhs,
+			z_axis:self.z_axis/rhs,
+		}
+	}
+}
+
+///[-1.0,1.0] = [-2^32,2^32]
+#[derive(Clone,Copy,Default)]
+pub struct Planar64Affine3{
+	pub matrix3:Planar64Mat3,//includes scale above 1
+	pub translation:Planar64Vec3,
+}
+
+impl Planar64Affine3{
+	#[inline]
+	pub fn new(matrix3:Planar64Mat3,translation:Planar64Vec3)->Self{
+		Self{matrix3,translation}
+	}
+	#[inline]
+	pub fn transform_point3(&self,point:Planar64Vec3) -> Planar64Vec3{
+		Planar64Vec3(
+			self.translation.0
+			+(self.matrix3.x_axis*point.x()).0
+			+(self.matrix3.y_axis*point.y()).0
+			+(self.matrix3.z_axis*point.z()).0
+		)
+	}
+}
+impl Into<glam::Mat4> for Planar64Affine3{
+	#[inline]
+	fn into(self)->glam::Mat4{
+		glam::Mat4::from_cols_array(&[
+			self.matrix3.x_axis.0.x as f32,self.matrix3.x_axis.0.y as f32,self.matrix3.x_axis.0.z as f32,0.0,
+			self.matrix3.y_axis.0.x as f32,self.matrix3.y_axis.0.y as f32,self.matrix3.y_axis.0.z as f32,0.0,
+			self.matrix3.z_axis.0.x as f32,self.matrix3.z_axis.0.y as f32,self.matrix3.z_axis.0.z as f32,0.0,
+			self.translation.0.x as f32,self.translation.0.y as f32,self.translation.0.z as f32,PLANAR64_ONE_FLOAT32
+		])*PLANAR64_CONVERT_TO_FLOAT32
+	}
+}
+impl TryFrom<glam::Affine3A> for Planar64Affine3{
+	type Error=Planar64TryFromFloatError;
+	fn try_from(value: glam::Affine3A)->Result<Self, Self::Error> {
+		Ok(Self{
+			matrix3:Planar64Mat3::try_from(value.matrix3)?,
+			translation:Planar64Vec3::try_from(value.translation)?
+		})
+	}
+}
+impl std::fmt::Display for Planar64Affine3{
+	fn fmt(&self,f:&mut std::fmt::Formatter<'_>)->std::fmt::Result{
+		write!(f,"translation: {:.3},{:.3},{:.3}\nmatrix3:\n{:.3},{:.3},{:.3}\n{:.3},{:.3},{:.3}\n{:.3},{:.3},{:.3}",
+			Into::<f32>::into(self.translation.x()),Into::<f32>::into(self.translation.y()),Into::<f32>::into(self.translation.z()),
+			Into::<f32>::into(self.matrix3.x_axis.x()),Into::<f32>::into(self.matrix3.x_axis.y()),Into::<f32>::into(self.matrix3.x_axis.z()),
+			Into::<f32>::into(self.matrix3.y_axis.x()),Into::<f32>::into(self.matrix3.y_axis.y()),Into::<f32>::into(self.matrix3.y_axis.z()),
+			Into::<f32>::into(self.matrix3.z_axis.x()),Into::<f32>::into(self.matrix3.z_axis.y()),Into::<f32>::into(self.matrix3.z_axis.z()),
+		)
+	}
+}
+
+#[test]
+fn test_sqrt(){
+	let r=Planar64::int(400);
+	println!("r{}",r.get());
+	let s=r.sqrt();
+	println!("s{}",s.get());
+}

src/load_roblox.rs

@@ -1,6 +1,5 @@
-use crate::model::{IndexedModelInstances,ModelInstance};
-
 use crate::primitives;
+use crate::integer::{Planar64,Planar64Vec3,Planar64Mat3,Planar64Affine3};
 
 fn class_is_a(class: &str, superclass: &str) -> bool {
 	if class==superclass {
@@ -32,13 +31,108 @@ fn get_texture_refs(dom:&rbx_dom_weak::WeakDom) -> Vec<rbx_dom_weak::types::Ref>
 	//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(
+			Planar64Vec3::try_from([cf.orientation.x.x,cf.orientation.y.x,cf.orientation.z.x]).unwrap()
+			*Planar64::try_from(size.x/2.0).unwrap(),
+			Planar64Vec3::try_from([cf.orientation.x.y,cf.orientation.y.y,cf.orientation.z.y]).unwrap()
+			*Planar64::try_from(size.y/2.0).unwrap(),
+			Planar64Vec3::try_from([cf.orientation.x.z,cf.orientation.y.z,cf.orientation.z.z]).unwrap()
+			*Planar64::try_from(size.z/2.0).unwrap(),
+		),
+		Planar64Vec3::try_from([cf.position.x,cf.position.y,cf.position.z]).unwrap()
+	)
+}
+fn get_attributes(name:&str,can_collide:bool,velocity:Planar64Vec3,force_intersecting:bool)->crate::model::CollisionAttributes{
+	let mut general=crate::model::GameMechanicAttributes::default();
+	let mut intersecting=crate::model::IntersectingAttributes::default();
+	let mut contacting=crate::model::ContactingAttributes::default();
+	let mut force_can_collide=can_collide;
+	match name{
+		"Water"=>intersecting.water=Some(crate::model::IntersectingWater{density:Planar64::ONE,viscosity:Planar64::ONE/10,current:velocity}),
+		"Accelerator"=>{force_can_collide=false;intersecting.accelerator=Some(crate::model::IntersectingAccelerator{acceleration: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})},
+		"Platform"=>general.teleport_behaviour=Some(crate::model::TeleportBehaviour::StageElement(crate::model::GameMechanicStageElement{
+			mode_id:0,
+			stage_id:0,
+			force:false,
+			behaviour:crate::model::StageElementBehaviour::Platform,
+		})),
+		other=>{
+			if let Some(captures)=lazy_regex::regex!(r"^(Force)?(Spawn|SpawnAt|Trigger|Teleport|Platform)(\d+)$")
+			.captures(other){
+				general.teleport_behaviour=Some(crate::model::TeleportBehaviour::StageElement(crate::model::GameMechanicStageElement{
+					mode_id:0,
+					stage_id:captures[3].parse::<u32>().unwrap(),
+					force:match captures.get(1){
+						Some(m)=>m.as_str()=="Force",
+						None=>false,
+					},
+					behaviour:match &captures[2]{
+						"Spawn"|"SpawnAt"=>crate::model::StageElementBehaviour::SpawnAt,
+						"Trigger"=>{force_can_collide=false;crate::model::StageElementBehaviour::Trigger},
+						"Teleport"=>{force_can_collide=false;crate::model::StageElementBehaviour::Teleport},
+						"Platform"=>crate::model::StageElementBehaviour::Platform,
+						_=>panic!("regex1[2] messed up bad"),
+					}
+				}));
+			}else if let Some(captures)=lazy_regex::regex!(r"^Bonus(Finish|Anticheat)(\d+)$")
+			.captures(other){
+				force_can_collide=false;
+				match &captures[1]{
+					"Finish"=>general.zone=Some(crate::model::GameMechanicZone{mode_id:captures[2].parse::<u32>().unwrap(),behaviour:crate::model::ZoneBehaviour::Finish}),
+					"Anticheat"=>general.zone=Some(crate::model::GameMechanicZone{mode_id:captures[2].parse::<u32>().unwrap(),behaviour:crate::model::ZoneBehaviour::Anitcheat}),
+					_=>panic!("regex2[1] messed up bad"),
+				}
+			}
+		}
+	}
+	//need some way to skip this
+	if velocity!=Planar64Vec3::ZERO{
+		general.booster=Some(crate::model::GameMechanicBooster{velocity});
+	}
+	match force_can_collide{
+		true=>{
+			match name{
+				"Bounce"=>contacting.elasticity=Some(u32::MAX),
+				"Surf"=>contacting.surf=Some(crate::model::ContactingSurf{}),
+				"Ladder"=>contacting.ladder=Some(crate::model::ContactingLadder{sticky:true}),
+				other=>{
+					if let Some(captures)=lazy_regex::regex!(r"^(Jump|WormholeIn)(\d+)$")
+					.captures(other){
+						match &captures[1]{
+							"Jump"=>general.jump_limit=Some(crate::model::GameMechanicJumpLimit{count:captures[2].parse::<u32>().unwrap()}),
+							"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"),
+						}
+					}
+				}
+			}
+			crate::model::CollisionAttributes::Contact{contacting,general}
+		},
+		false=>if force_intersecting
+		||general.jump_limit.is_some()
+		||general.booster.is_some()
+		||general.zone.is_some()
+		||general.teleport_behaviour.is_some()
+		||intersecting.water.is_some()
+		||intersecting.accelerator.is_some()
+		{
+			crate::model::CollisionAttributes::Intersect{intersecting,general}
+		}else{
+			crate::model::CollisionAttributes::Decoration
+		},
+	}
+}
 
 struct RobloxAssetId(u64);
 struct RobloxAssetIdParseErr;
 impl std::str::FromStr for RobloxAssetId {
 	type Err=RobloxAssetIdParseErr;
 	fn from_str(s: &str) -> Result<Self, Self::Err>{
-		let regman=regex::Regex::new(r"(\d+)$").unwrap();
+		let regman=lazy_regex::regex!(r"(\d+)$");
 		if let Some(captures) = regman.captures(s) {
 			if captures.len()==2{//captures[0] is all captures concatenated, and then each individual capture
 				if let Ok(id) = captures[0].parse::<u64>() {
@@ -102,7 +196,7 @@ impl RobloxFaceTextureDescription{
 }
 type RobloxPartDescription=[Option<RobloxFaceTextureDescription>;6];
 type RobloxWedgeDescription=[Option<RobloxFaceTextureDescription>;5];
-type RobloxCornerWedgeDescription=[Option<RobloxFaceTextureDescription>;4];
+type RobloxCornerWedgeDescription=[Option<RobloxFaceTextureDescription>;5];
 #[derive(Clone,Eq,Hash,PartialEq)]
 enum RobloxBasePartDescription{
 	Sphere,
@@ -111,9 +205,9 @@ enum RobloxBasePartDescription{
 	Wedge(RobloxWedgeDescription),
 	CornerWedge(RobloxCornerWedgeDescription),
 }
-pub fn generate_indexed_models_roblox(dom:rbx_dom_weak::WeakDom) -> Result<(IndexedModelInstances,glam::Vec3), Box<dyn std::error::Error>>{
+pub fn generate_indexed_models(dom:rbx_dom_weak::WeakDom) -> crate::model::IndexedModelInstances{
 	//IndexedModelInstances includes textures
-	let mut spawn_point=glam::Vec3::ZERO;
+	let mut spawn_point=Planar64Vec3::ZERO;
 
 	let mut indexed_models=Vec::new();
 	let mut model_id_from_description=std::collections::HashMap::<RobloxBasePartDescription,usize>::new();
@@ -129,36 +223,49 @@ pub fn generate_indexed_models_roblox(dom:rbx_dom_weak::WeakDom) -> Result<(Inde
 			if let (
 					Some(rbx_dom_weak::types::Variant::CFrame(cf)),
 					Some(rbx_dom_weak::types::Variant::Vector3(size)),
+					Some(rbx_dom_weak::types::Variant::Vector3(velocity)),
 					Some(rbx_dom_weak::types::Variant::Float32(transparency)),
 					Some(rbx_dom_weak::types::Variant::Color3uint8(color3)),
+					Some(rbx_dom_weak::types::Variant::Bool(can_collide)),
 				) = (
 					object.properties.get("CFrame"),
 					object.properties.get("Size"),
+					object.properties.get("Velocity"),
 					object.properties.get("Transparency"),
 					object.properties.get("Color"),
+					object.properties.get("CanCollide"),
 				)
 			{
-				let model_transform=glam::Affine3A::from_translation(
-					glam::Vec3::new(cf.position.x,cf.position.y,cf.position.z)
-				)
-				* glam::Affine3A::from_mat3(
-					glam::Mat3::from_cols(
-						glam::Vec3::new(cf.orientation.x.x,cf.orientation.y.x,cf.orientation.z.x),
-						glam::Vec3::new(cf.orientation.x.y,cf.orientation.y.y,cf.orientation.z.y),
-						glam::Vec3::new(cf.orientation.x.z,cf.orientation.y.z,cf.orientation.z.z),
-					),
-				)
-				* glam::Affine3A::from_scale(
-					glam::Vec3::new(size.x,size.y,size.z)/2.0
-				);
-				if object.name=="MapStart"{
-					spawn_point=model_transform.transform_point3(glam::Vec3::Y)+glam::vec3(0.0,2.5,0.0);
-					println!("Found MapStart{:?}",spawn_point);
-				}
-				if *transparency==1.0 {
-					continue;
+				let model_transform=planar64_affine3_from_roblox(cf,size);
+
+				//push TempIndexedAttributes
+				let mut force_intersecting=false;
+				let mut temp_indexing_attributes=Vec::new();
+				if let Some(attr)=match &object.name[..]{
+					"MapStart"=>{
+						spawn_point=model_transform.transform_point3(Planar64Vec3::ZERO)+Planar64Vec3::Y*5/2;
+						Some(crate::model::TempIndexedAttributes::Start{mode_id:0})
+					},
+					"UnorderedCheckpoint"=>Some(crate::model::TempIndexedAttributes::UnorderedCheckpoint{mode_id:0}),
+					other=>{
+						let regman=lazy_regex::regex!(r"^(BonusStart|Spawn|ForceSpawn|OrderedCheckpoint)(\d+)$");
+						if let Some(captures) = regman.captures(other) {
+							match &captures[1]{
+								"BonusStart"=>Some(crate::model::TempIndexedAttributes::Start{mode_id:captures[2].parse::<u32>().unwrap()}),
+								"Spawn"|"ForceSpawn"=>Some(crate::model::TempIndexedAttributes::Spawn{mode_id:0,stage_id:captures[2].parse::<u32>().unwrap()}),
+								"OrderedCheckpoint"=>Some(crate::model::TempIndexedAttributes::OrderedCheckpoint{mode_id:0,checkpoint_id:captures[2].parse::<u32>().unwrap()}),
+								_=>None,
+							}
+						}else{
+							None
+						}
+					}
+				}{
+					force_intersecting=true;
+					temp_indexing_attributes.push(attr);
 				}
 
+				//TODO: also detect "CylinderMesh" etc here
 				let shape=match &object.class[..]{
 					"Part"=>{
 						if let Some(rbx_dom_weak::types::Variant::Enum(shape))=object.properties.get("Shape"){
@@ -168,14 +275,10 @@ pub fn generate_indexed_models_roblox(dom:rbx_dom_weak::WeakDom) -> Result<(Inde
 								2=>primitives::Primitives::Cylinder,
 								3=>primitives::Primitives::Wedge,
 								4=>primitives::Primitives::CornerWedge,
-								_=>{
-									println!("Funky roblox PartType={}; defaulting to cube",shape.to_u32());
-									primitives::Primitives::Cube
-								},
+								_=>panic!("Funky roblox PartType={};",shape.to_u32()),
 							}
 						}else{
-							println!("Part has no Shape! defaulting to cube");
-							primitives::Primitives::Cube
+							panic!("Part has no Shape!");
 						}
 					},
 					"WedgePart"=>primitives::Primitives::Wedge,
@@ -186,38 +289,6 @@ pub fn generate_indexed_models_roblox(dom:rbx_dom_weak::WeakDom) -> Result<(Inde
 					}
 				};
 
-				//TODO: also detect "CylinderMesh" etc here
-				let mut face_map=std::collections::HashMap::new();
-				match shape{
-					primitives::Primitives::Cube => {
-						face_map.insert(0,0);//Right
-						face_map.insert(1,1);//Top
-						face_map.insert(2,2);//Back
-						face_map.insert(3,3);//Left
-						face_map.insert(4,4);//Bottom
-						face_map.insert(5,5);//Front
-					},
-					primitives::Primitives::Wedge => {
-						face_map.insert(0,0);//Right
-						face_map.insert(1,1);//Top -> TopFront (some surf maps put surf textures on the Top face)
-						face_map.insert(2,1);//Front -> TopFront
-						face_map.insert(3,2);//Back
-						face_map.insert(4,3);//Left
-						face_map.insert(5,4);//Bottom
-					},
-					primitives::Primitives::CornerWedge => {
-						//Right -> None
-						face_map.insert(1,0);//Top
-						//Back -> None
-						face_map.insert(3,1);//Right
-						face_map.insert(4,2);//Bottom
-						face_map.insert(5,3);//Front
-					},
-					//do not support textured spheres/cylinders imported from roblox
-					//this can be added later, there are some maps that use it
-					primitives::Primitives::Sphere
-					|primitives::Primitives::Cylinder => (),
-				}
 				//use the biggest one and cut it down later...
 				let mut part_texture_description:RobloxPartDescription=[None,None,None,None,None,None];
 				temp_objects.clear();
@@ -245,10 +316,8 @@ pub fn generate_indexed_models_roblox(dom:rbx_dom_weak::WeakDom) -> Result<(Inde
 									texture_id
 								};
 								let normal_id=normalid.to_u32();
-								if let Some(&face)=face_map.get(&normal_id){
-									let mut roblox_texture_transform=RobloxTextureTransform::default();
-									let mut roblox_texture_color=glam::Vec4::ONE;
-									if decal.class=="Texture"{
+								if normal_id<6{
+									let (roblox_texture_color,roblox_texture_transform)=if decal.class=="Texture"{
 										//generate tranform
 										if let (
 												Some(rbx_dom_weak::types::Variant::Float32(ox)),
@@ -269,16 +338,22 @@ pub fn generate_indexed_models_roblox(dom:rbx_dom_weak::WeakDom) -> Result<(Inde
 												3=>(size.z,size.y),//left
 												4=>(size.x,size.z),//bottom
 												5=>(size.x,size.y),//front
-												_=>(1.,1.),
+												_=>panic!("unreachable"),
 											};
-											roblox_texture_transform=RobloxTextureTransform{
-												offset_u:*ox/(*sx),offset_v:*oy/(*sy),
-												scale_u:size_u/(*sx),scale_v:size_v/(*sy),
-											};
-											roblox_texture_color=glam::vec4(decal_color3.r,decal_color3.g,decal_color3.b,1.0-*decal_transparency);
+											(
+												glam::vec4(decal_color3.r,decal_color3.g,decal_color3.b,1.0-*decal_transparency),
+												RobloxTextureTransform{
+													offset_u:*ox/(*sx),offset_v:*oy/(*sy),
+													scale_u:size_u/(*sx),scale_v:size_v/(*sy),
+												}
+											)
+										}else{
+											(glam::Vec4::ONE,RobloxTextureTransform::default())
 										}
-									}
-									part_texture_description[face]=Some(RobloxFaceTextureDescription{
+									}else{
+										(glam::Vec4::ONE,RobloxTextureTransform::default())
+									};
+									part_texture_description[normal_id as usize]=Some(RobloxFaceTextureDescription{
 										texture:texture_id,
 										color:roblox_texture_color,
 										transform:roblox_texture_transform,
@@ -291,16 +366,36 @@ pub fn generate_indexed_models_roblox(dom:rbx_dom_weak::WeakDom) -> Result<(Inde
 					}
 				}
 				//obscure rust syntax "slice pattern"
-				let [f0,f1,f2,f3,f4,f5]=part_texture_description;
+				let [
+					f0,//Cube::Right
+					f1,//Cube::Top
+					f2,//Cube::Back
+					f3,//Cube::Left
+					f4,//Cube::Bottom
+					f5,//Cube::Front
+				]=part_texture_description;
 				let basepart_texture_description=match shape{
 					primitives::Primitives::Sphere=>RobloxBasePartDescription::Sphere,
 					primitives::Primitives::Cube=>RobloxBasePartDescription::Part([f0,f1,f2,f3,f4,f5]),
 					primitives::Primitives::Cylinder=>RobloxBasePartDescription::Cylinder,
-					//HAHAHA
-					primitives::Primitives::Wedge=>RobloxBasePartDescription::Wedge([f0,f1,f2,f3,f4]),
-					primitives::Primitives::CornerWedge=>RobloxBasePartDescription::CornerWedge([f0,f1,f2,f3]),
+					//use front face texture first and use top face texture as a fallback
+					primitives::Primitives::Wedge=>RobloxBasePartDescription::Wedge([
+						f0,//Cube::Right->Wedge::Right
+						if f5.is_some(){f5}else{f1},//Cube::Front|Cube::Top->Wedge::TopFront
+						f2,//Cube::Back->Wedge::Back
+						f3,//Cube::Left->Wedge::Left
+						f4,//Cube::Bottom->Wedge::Bottom
+					]),
+					//TODO: fix Left+Back texture coordinates to match roblox when not overwridden by Top
+					primitives::Primitives::CornerWedge=>RobloxBasePartDescription::CornerWedge([
+						f0,//Cube::Right->CornerWedge::Right
+						if f2.is_some(){f2}else{f1.clone()},//Cube::Back|Cube::Top->CornerWedge::TopBack
+						if f3.is_some(){f3}else{f1},//Cube::Left|Cube::Top->CornerWedge::TopLeft
+						f4,//Cube::Bottom->CornerWedge::Bottom
+						f5,//Cube::Front->CornerWedge::Front
+					]),
 				};
-				//make new model if unit cube has not been crated before
+				//make new model if unit cube has not been created before
 				let model_id=if let Some(&model_id)=model_id_from_description.get(&basepart_texture_description){
 					//push to existing texture model
 					model_id
@@ -354,10 +449,11 @@ pub fn generate_indexed_models_roblox(dom:rbx_dom_weak::WeakDom) -> Result<(Inde
 							for (face_id,roblox_face_description) in cornerwedge_texture_description.iter().enumerate(){
 								cornerwedge_face_description.insert(
 								match face_id{
-									0=>primitives::CornerWedgeFace::Top,
-									1=>primitives::CornerWedgeFace::Right,
-									2=>primitives::CornerWedgeFace::Bottom,
-									3=>primitives::CornerWedgeFace::Front,
+									0=>primitives::CornerWedgeFace::Right,
+									1=>primitives::CornerWedgeFace::TopBack,
+									2=>primitives::CornerWedgeFace::TopLeft,
+									3=>primitives::CornerWedgeFace::Bottom,
+									4=>primitives::CornerWedgeFace::Front,
 									_=>panic!("unreachable"),
 								},
 								match roblox_face_description{
@@ -370,15 +466,19 @@ pub fn generate_indexed_models_roblox(dom:rbx_dom_weak::WeakDom) -> Result<(Inde
 					});
 					model_id
 				};
-				indexed_models[model_id].instances.push(ModelInstance {
+				indexed_models[model_id].instances.push(crate::model::ModelInstance {
 					transform:model_transform,
 					color:glam::vec4(color3.r as f32/255f32, color3.g as f32/255f32, color3.b as f32/255f32, 1.0-*transparency),
+					attributes:get_attributes(&object.name,*can_collide,Planar64Vec3::try_from([velocity.x,velocity.y,velocity.z]).unwrap(),force_intersecting),
+					temp_indexing:temp_indexing_attributes,
 				});
 			}
 		}
 	}
-	Ok((IndexedModelInstances{
+	crate::model::IndexedModelInstances{
 		textures:asset_id_from_texture_id.iter().map(|t|t.to_string()).collect(),
 		models:indexed_models,
-	},spawn_point))
+		spawn_point,
+		modes:Vec::new(),
+	}
 }

src/model.rs

@@ -1,12 +1,6 @@
-use bytemuck::{Pod, Zeroable};
-#[derive(Clone, Copy, Pod, Zeroable)]
-#[repr(C)]
-pub struct Vertex {
-	pub pos: [f32; 3],
-	pub tex: [f32; 2],
-	pub normal: [f32; 3],
-	pub color: [f32; 4],
-}
+use crate::integer::{Planar64,Planar64Vec3,Planar64Affine3};
+pub type TextureCoordinate=glam::Vec2;
+pub type Color4=glam::Vec4;
 #[derive(Clone,Hash,PartialEq,Eq)]
 pub struct IndexedVertex{
 	pub pos:u32,
@@ -22,50 +16,195 @@ pub struct IndexedGroup{
 	pub polys:Vec<IndexedPolygon>,
 }
 pub struct IndexedModel{
-	pub unique_pos:Vec<[f32; 3]>,
-	pub unique_tex:Vec<[f32; 2]>,
-	pub unique_normal:Vec<[f32; 3]>,
-	pub unique_color:Vec<[f32; 4]>,
+	pub unique_pos:Vec<Planar64Vec3>,
+	pub unique_normal:Vec<Planar64Vec3>,
+	pub unique_tex:Vec<TextureCoordinate>,
+	pub unique_color:Vec<Color4>,
 	pub unique_vertices:Vec<IndexedVertex>,
 	pub groups: Vec<IndexedGroup>,
 	pub instances:Vec<ModelInstance>,
 }
-pub struct IndexedGroupFixedTexture{
-	pub polys:Vec<IndexedPolygon>,
-}
-pub struct IndexedModelSingleTexture{
-	pub unique_pos:Vec<[f32; 3]>,
-	pub unique_tex:Vec<[f32; 2]>,
-	pub unique_normal:Vec<[f32; 3]>,
-	pub unique_color:Vec<[f32; 4]>,
-	pub unique_vertices:Vec<IndexedVertex>,
-	pub texture:Option<u32>,//RenderPattern? material/texture/shader/flat color
-	pub groups: Vec<IndexedGroupFixedTexture>,
-	pub instances:Vec<ModelGraphicsInstance>,
-}
-pub struct ModelSingleTexture{
-	pub instances: Vec<ModelGraphicsInstance>,
-	pub vertices: Vec<Vertex>,
-	pub entities: Vec<Vec<u16>>,
-	pub texture: Option<u32>,
-}
-#[derive(Clone)]
-pub struct ModelGraphicsInstance{
-	pub transform:glam::Mat4,
-	pub normal_transform:glam::Mat4,
-	pub color:glam::Vec4,
-}
 pub struct ModelInstance{
-	pub transform:glam::Affine3A,
-	pub color:glam::Vec4,
+	//pub id:u64,//this does not actually help with map fixes resimulating bots, they must always be resimulated
+	pub transform:Planar64Affine3,
+	pub color:Color4,//transparency is in here
+	pub attributes:CollisionAttributes,
+	pub temp_indexing:Vec<TempIndexedAttributes>,
+}
+impl std::default::Default for ModelInstance{
+	fn default() -> Self {
+		Self{
+			color:Color4::ONE,
+			transform:Default::default(),
+			attributes:Default::default(),
+			temp_indexing:Default::default(),
+		}
+	}
 }
 pub struct IndexedModelInstances{
 	pub textures:Vec<String>,//RenderPattern
 	pub models:Vec<IndexedModel>,
-	//object_index for spawns, triggers etc?
+	//may make this into an object later.
+	pub modes:Vec<ModeDescription>,
+	pub spawn_point:Planar64Vec3,
+}
+//stage description referencing flattened ids is spooky, but the map loading is meant to be deterministic.
+pub struct ModeDescription{
+	pub start:u32,//start=model_id
+	pub spawns:Vec<u32>,//spawns[spawn_id]=model_id
+	pub ordered_checkpoints:Vec<u32>,//ordered_checkpoints[checkpoint_id]=model_id
+	pub unordered_checkpoints:Vec<u32>,//unordered_checkpoints[checkpoint_id]=model_id
+	pub spawn_from_stage_id:std::collections::HashMap::<u32,usize>,
+	pub ordered_checkpoint_from_checkpoint_id:std::collections::HashMap::<u32,usize>,
+}
+impl ModeDescription{
+	pub fn get_spawn_model_id(&self,stage_id:u32)->Option<&u32>{
+		if let Some(&spawn)=self.spawn_from_stage_id.get(&stage_id){
+			self.spawns.get(spawn)
+		}else{
+			None
+		}
+	}
+	pub fn get_ordered_checkpoint_model_id(&self,checkpoint_id:u32)->Option<&u32>{
+		if let Some(&checkpoint)=self.ordered_checkpoint_from_checkpoint_id.get(&checkpoint_id){
+			self.ordered_checkpoints.get(checkpoint)
+		}else{
+			None
+		}
+	}
+}
+pub enum TempIndexedAttributes{
+	Start{
+		mode_id:u32,
+	},
+	Spawn{
+		mode_id:u32,
+		stage_id:u32,
+	},
+	OrderedCheckpoint{
+		mode_id:u32,
+		checkpoint_id:u32,
+	},
+	UnorderedCheckpoint{
+		mode_id:u32,
+	},
 }
 
-pub fn generate_indexed_model_list_from_obj(data:obj::ObjData,color:[f32;4]) -> Vec<IndexedModel>{
+//you have this effect while in contact
+#[derive(Clone)]
+pub struct ContactingSurf{}
+#[derive(Clone)]
+pub struct ContactingLadder{
+	pub sticky:bool
+}
+//you have this effect while intersecting
+#[derive(Clone)]
+pub struct IntersectingWater{
+	pub viscosity:Planar64,
+	pub density:Planar64,
+	pub current:Planar64Vec3,
+}
+#[derive(Clone)]
+pub struct IntersectingAccelerator{
+	pub acceleration:Planar64Vec3
+}
+//All models can be given these attributes
+#[derive(Clone)]
+pub struct GameMechanicJumpLimit{
+	pub count:u32,
+}
+#[derive(Clone)]
+pub struct GameMechanicBooster{
+	pub velocity:Planar64Vec3,
+}
+#[derive(Clone)]
+pub enum ZoneBehaviour{
+	//Start is indexed
+	//Checkpoints are indexed
+	Finish,
+	Anitcheat,
+}
+#[derive(Clone)]
+pub struct GameMechanicZone{
+	pub mode_id:u32,
+	pub behaviour:ZoneBehaviour,
+}
+// enum TrapCondition{
+// 	FasterThan(i64),
+// 	SlowerThan(i64),
+// 	InRange(i64,i64),
+// 	OutsideRange(i64,i64),
+// }
+#[derive(Clone)]
+pub enum StageElementBehaviour{
+ 	//Spawn,//The behaviour of stepping on a spawn setting the spawnid
+ 	SpawnAt,
+ 	Trigger,
+ 	Teleport,
+ 	Platform,
+ 	//Speedtrap(TrapCondition),//Acts as a trigger with a speed condition
+}
+#[derive(Clone)]
+pub struct GameMechanicStageElement{
+	pub mode_id:u32,
+	pub stage_id:u32,//which spawn to send to
+	pub force:bool,//allow setting to lower spawn id i.e. 7->3
+	pub behaviour:StageElementBehaviour
+}
+#[derive(Clone)]
+pub struct GameMechanicWormhole{
+	//destination does not need to be another wormhole
+	//this defines a one way portal to a destination model transform
+	//two of these can create a two way wormhole
+	pub destination_model_id:u32,
+	//(position,angles)*=origin.transform.inverse()*destination.transform
+}
+#[derive(Clone)]
+pub enum TeleportBehaviour{
+	StageElement(GameMechanicStageElement),
+	Wormhole(GameMechanicWormhole),
+}
+#[derive(Default,Clone)]
+pub struct GameMechanicAttributes{
+	pub jump_limit:Option<GameMechanicJumpLimit>,
+	pub booster:Option<GameMechanicBooster>,
+	pub zone:Option<GameMechanicZone>,
+	pub teleport_behaviour:Option<TeleportBehaviour>,
+}
+#[derive(Default,Clone)]
+pub struct ContactingAttributes{
+	pub elasticity:Option<u32>,//[1/2^32,1] 0=None (elasticity+1)/2^32
+	//friction?
+	pub surf:Option<ContactingSurf>,
+	pub ladder:Option<ContactingLadder>,
+}
+#[derive(Default,Clone)]
+pub struct IntersectingAttributes{
+	pub water:Option<IntersectingWater>,
+	pub accelerator:Option<IntersectingAccelerator>,
+}
+//Spawn(u32) NO! spawns are indexed in the map header instead of marked with attibutes
+pub enum CollisionAttributes{
+	Decoration,//visual only
+	Contact{//track whether you are contacting the object
+		contacting:ContactingAttributes,
+		general:GameMechanicAttributes,
+	},
+	Intersect{//track whether you are intersecting the object
+		intersecting:IntersectingAttributes,
+		general:GameMechanicAttributes,
+	},
+}
+impl std::default::Default for CollisionAttributes{
+	fn default() -> Self {
+		Self::Contact{
+			contacting:ContactingAttributes::default(),
+			general:GameMechanicAttributes::default()
+		}
+	}
+}
+
+pub fn generate_indexed_model_list_from_obj(data:obj::ObjData,color:Color4)->Vec<IndexedModel>{
 	let mut unique_vertex_index = std::collections::HashMap::<obj::IndexTuple,u32>::new();
 	return data.objects.iter().map(|object|{
 		unique_vertex_index.clear();
@@ -95,9 +234,9 @@ pub fn generate_indexed_model_list_from_obj(data:obj::ObjData,color:[f32;4]) ->
 			}
 		}).collect();
 		IndexedModel{
-			unique_pos: data.position.clone(),
-			unique_tex: data.texture.clone(),
-			unique_normal: data.normal.clone(),
+			unique_pos: data.position.iter().map(|&v|Planar64Vec3::try_from(v).unwrap()).collect(),
+			unique_tex: data.texture.iter().map(|&v|TextureCoordinate::from_array(v)).collect(),
+			unique_normal: data.normal.iter().map(|&v|Planar64Vec3::try_from(v).unwrap()).collect(),
 			unique_color: vec![color],
 			unique_vertices,
 			groups,

src/model_graphics.rs

@@ -0,0 +1,55 @@
+use bytemuck::{Pod, Zeroable};
+use crate::model::{IndexedVertex,IndexedPolygon};
+#[derive(Clone, Copy, Pod, Zeroable)]
+#[repr(C)]
+pub struct GraphicsVertex {
+	pub pos: [f32; 3],
+	pub tex: [f32; 2],
+	pub normal: [f32; 3],
+	pub color: [f32; 4],
+}
+pub struct IndexedGroupFixedTexture{
+	pub polys:Vec<IndexedPolygon>,
+}
+pub struct IndexedModelGraphicsSingleTexture{
+	pub unique_pos:Vec<[f32; 3]>,
+	pub unique_tex:Vec<[f32; 2]>,
+	pub unique_normal:Vec<[f32; 3]>,
+	pub unique_color:Vec<[f32; 4]>,
+	pub unique_vertices:Vec<IndexedVertex>,
+	pub texture:Option<u32>,//RenderPattern? material/texture/shader/flat color
+	pub groups: Vec<IndexedGroupFixedTexture>,
+	pub instances:Vec<ModelGraphicsInstance>,
+}
+pub struct ModelGraphicsSingleTexture{
+	pub instances: Vec<ModelGraphicsInstance>,
+	pub vertices: Vec<GraphicsVertex>,
+	pub entities: Vec<Vec<u16>>,
+	pub texture: Option<u32>,
+}
+#[derive(Clone,PartialEq)]
+pub struct ModelGraphicsColor4(glam::Vec4);
+impl ModelGraphicsColor4{
+	pub const fn get(&self)->glam::Vec4{
+		self.0
+	}
+}
+impl From<glam::Vec4> for ModelGraphicsColor4{
+	fn from(value:glam::Vec4)->Self{
+		Self(value)
+	}
+}
+impl std::hash::Hash for ModelGraphicsColor4{
+	fn hash<H: std::hash::Hasher>(&self,state:&mut H) {
+		for &f in self.0.as_ref(){
+			u32::from_ne_bytes(f.to_ne_bytes()).hash(state);
+		}
+	}
+}
+impl Eq for ModelGraphicsColor4{}
+#[derive(Clone)]
+pub struct ModelGraphicsInstance{
+	pub transform:glam::Mat4,
+	pub normal_transform:glam::Mat3,
+	pub color:ModelGraphicsColor4,
+}

src/model_physics.rs

@@ -0,0 +1 @@
+//

src/primitives.rs

@@ -1,4 +1,5 @@
-use crate::model::{IndexedModel, IndexedPolygon, IndexedGroup, IndexedVertex};
+use crate::model::{Color4,TextureCoordinate,IndexedModel,IndexedPolygon,IndexedGroup,IndexedVertex};
+use crate::integer::Planar64Vec3;
 
 #[derive(Debug)]
 pub enum Primitives{
@@ -17,24 +18,29 @@ pub enum CubeFace{
 	Bottom,
 	Front,
 }
-const CUBE_DEFAULT_TEXTURE_COORDS:[[f32;2];4]=[[0.0,0.0],[1.0,0.0],[1.0,1.0],[0.0,1.0]];
-const CUBE_DEFAULT_VERTICES:[[f32;3];8]=[
-	[-1.,-1., 1.],//0 left bottom back
-	[ 1.,-1., 1.],//1 right bottom back
-	[ 1., 1., 1.],//2 right top back
-	[-1., 1., 1.],//3 left top back
-	[-1., 1.,-1.],//4 left top front
-	[ 1., 1.,-1.],//5 right top front
-	[ 1.,-1.,-1.],//6 right bottom front
-	[-1.,-1.,-1.],//7 left bottom front
+const CUBE_DEFAULT_TEXTURE_COORDS:[TextureCoordinate;4]=[
+	TextureCoordinate::new(0.0,0.0),
+	TextureCoordinate::new(1.0,0.0),
+	TextureCoordinate::new(1.0,1.0),
+	TextureCoordinate::new(0.0,1.0),
 ];
-const CUBE_DEFAULT_NORMALS:[[f32;3];6]=[
-	[ 1., 0., 0.],//CubeFace::Right
-	[ 0., 1., 0.],//CubeFace::Top
-	[ 0., 0., 1.],//CubeFace::Back
-	[-1., 0., 0.],//CubeFace::Left
-	[ 0.,-1., 0.],//CubeFace::Bottom
-	[ 0., 0.,-1.],//CubeFace::Front
+const CUBE_DEFAULT_VERTICES:[Planar64Vec3;8]=[
+	Planar64Vec3::int(-1,-1, 1),//0 left bottom back
+	Planar64Vec3::int( 1,-1, 1),//1 right bottom back
+	Planar64Vec3::int( 1, 1, 1),//2 right top back
+	Planar64Vec3::int(-1, 1, 1),//3 left top back
+	Planar64Vec3::int(-1, 1,-1),//4 left top front
+	Planar64Vec3::int( 1, 1,-1),//5 right top front
+	Planar64Vec3::int( 1,-1,-1),//6 right bottom front
+	Planar64Vec3::int(-1,-1,-1),//7 left bottom front
+];
+const CUBE_DEFAULT_NORMALS:[Planar64Vec3;6]=[
+	Planar64Vec3::int( 1, 0, 0),//CubeFace::Right
+	Planar64Vec3::int( 0, 1, 0),//CubeFace::Top
+	Planar64Vec3::int( 0, 0, 1),//CubeFace::Back
+	Planar64Vec3::int(-1, 0, 0),//CubeFace::Left
+	Planar64Vec3::int( 0,-1, 0),//CubeFace::Bottom
+	Planar64Vec3::int( 0, 0,-1),//CubeFace::Front
 ];
 const CUBE_DEFAULT_POLYS:[[[u32;3];4];6]=[
 	// right (1, 0, 0)
@@ -89,12 +95,12 @@ pub enum WedgeFace{
 	Left,
 	Bottom,
 }
-const WEDGE_DEFAULT_NORMALS:[[f32;3];5]=[
-	[ 1., 0., 0.],//Wedge::Right
-	[ 0., 1.,-1.],//Wedge::TopFront
-	[ 0., 0., 1.],//Wedge::Back
-	[-1., 0., 0.],//Wedge::Left
-	[ 0.,-1., 0.],//Wedge::Bottom
+const WEDGE_DEFAULT_NORMALS:[Planar64Vec3;5]=[
+	Planar64Vec3::int( 1, 0, 0),//Wedge::Right
+	Planar64Vec3::int( 0, 1,-1),//Wedge::TopFront
+	Planar64Vec3::int( 0, 0, 1),//Wedge::Back
+	Planar64Vec3::int(-1, 0, 0),//Wedge::Left
+	Planar64Vec3::int( 0,-1, 0),//Wedge::Bottom
 ];
 /*
 local cornerWedgeVerticies = {
@@ -107,25 +113,24 @@ local cornerWedgeVerticies = {
 */
 #[derive(Hash,PartialEq,Eq)]
 pub enum CornerWedgeFace{
-	Top,
 	Right,
+	TopBack,
+	TopLeft,
 	Bottom,
 	Front,
 }
-const CORNERWEDGE_DEFAULT_NORMALS:[[f32;3];5]=[
-	[ 1., 0., 0.],//Wedge::Right
-	[ 0., 1., 1.],//Wedge::BackTop
-	[-1., 1., 0.],//Wedge::LeftTop
-	[ 0.,-1., 0.],//Wedge::Bottom
-	[ 0., 0.,-1.],//Wedge::Front
+const CORNERWEDGE_DEFAULT_NORMALS:[Planar64Vec3;5]=[
+	Planar64Vec3::int( 1, 0, 0),//CornerWedge::Right
+	Planar64Vec3::int( 0, 1, 1),//CornerWedge::BackTop
+	Planar64Vec3::int(-1, 1, 0),//CornerWedge::LeftTop
+	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(),*glam::Vec4::ONE.as_ref()).remove(0);
+	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[0]=pos[0]*0.5;
-		pos[1]=pos[1]*0.5;
-		pos[2]=pos[2]*0.5;
+		*pos=*pos/2;
 	}
 	indexed_model
 }
@@ -140,11 +145,11 @@ pub fn unit_cube()->crate::model::IndexedModel{
 	t.insert(CubeFace::Front,FaceDescription::default());
 	generate_partial_unit_cube(t)
 }
-const TEAPOT_TRANSFORM:glam::Mat3=glam::mat3(glam::vec3(0.0,0.1,0.0),glam::vec3(-0.1,0.0,0.0),glam::vec3(0.0,0.0,0.1));
+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(),*glam::Vec4::ONE.as_ref()).remove(0);
+	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[0],pos[1],pos[2]]=*(TEAPOT_TRANSFORM*glam::Vec3::from_array(*pos)).as_ref();
+		*pos=TEAPOT_TRANSFORM*(*pos)/10;
 	}
 	indexed_model
 }
@@ -162,7 +167,8 @@ pub type CornerWedgeFaceDescription=std::collections::HashMap::<CornerWedgeFace,
 pub fn unit_cornerwedge()->crate::model::IndexedModel{
 	let mut t=CornerWedgeFaceDescription::new();
 	t.insert(CornerWedgeFace::Right,FaceDescription::default());
-	t.insert(CornerWedgeFace::Top,FaceDescription::default());
+	t.insert(CornerWedgeFace::TopBack,FaceDescription::default());
+	t.insert(CornerWedgeFace::TopLeft,FaceDescription::default());
 	t.insert(CornerWedgeFace::Bottom,FaceDescription::default());
 	t.insert(CornerWedgeFace::Front,FaceDescription::default());
 	generate_partial_unit_cornerwedge(t)
@@ -172,33 +178,33 @@ pub fn unit_cornerwedge()->crate::model::IndexedModel{
 pub struct FaceDescription{
 	pub texture:Option<u32>,
 	pub transform:glam::Affine2,
-	pub color:glam::Vec4,
+	pub color:Color4,
 }
 impl std::default::Default for FaceDescription{
 	fn default()->Self {
 		Self{
 			texture:None,
 			transform:glam::Affine2::IDENTITY,
-			color:glam::vec4(1.0,1.0,1.0,0.0),//zero alpha to hide the default texture
+			color:Color4::new(1.0,1.0,1.0,0.0),//zero alpha to hide the default texture
 		}
 	}
 }
 impl FaceDescription{
-	pub fn new(texture:u32,transform:glam::Affine2,color:glam::Vec4)->Self{
+	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:glam::Vec4::ONE,
+			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{
-	let mut generated_pos=Vec::<[f32;3]>::new();
+	let mut generated_pos=Vec::new();
 	let mut generated_tex=Vec::new();
 	let mut generated_normal=Vec::new();
 	let mut generated_color=Vec::new();
@@ -206,7 +212,7 @@ 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.iter(){
+	for (face,face_description) in face_descriptions.into_iter(){
 		//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
@@ -215,16 +221,16 @@ pub fn generate_partial_unit_cube(face_descriptions:CubeFaceDescription)->crate:
 			let transform_index=transforms.len();
 			transforms.push(face_description.transform);
 			for tex in CUBE_DEFAULT_TEXTURE_COORDS{
-				generated_tex.push(*face_description.transform.transform_point2(glam::Vec2::from_array(tex)).as_ref());
+				generated_tex.push(face_description.transform.transform_point2(tex));
 			}
 			transform_index
 		} as u32;
-		let color_index=if let Some(color_index)=generated_color.iter().position(|color|color==face_description.color.as_ref()){
+		let color_index=if let Some(color_index)=generated_color.iter().position(|&color|color==face_description.color){
 			color_index
 		}else{
 			//create new color_index
 			let color_index=generated_color.len();
-			generated_color.push(*face_description.color.as_ref());
+			generated_color.push(face_description.color);
 			color_index
 		} as u32;
 		let face_id=match face{
@@ -313,7 +319,7 @@ pub fn generate_partial_unit_wedge(face_descriptions:WedgeFaceDescription)->crat
 			[6,2,4],
 		],
 	];
-	let mut generated_pos=Vec::<[f32;3]>::new();
+	let mut generated_pos=Vec::new();
 	let mut generated_tex=Vec::new();
 	let mut generated_normal=Vec::new();
 	let mut generated_color=Vec::new();
@@ -321,7 +327,7 @@ 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.iter(){
+	for (face,face_description) in face_descriptions.into_iter(){
 		//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
@@ -330,16 +336,16 @@ pub fn generate_partial_unit_wedge(face_descriptions:WedgeFaceDescription)->crat
 			let transform_index=transforms.len();
 			transforms.push(face_description.transform);
 			for tex in CUBE_DEFAULT_TEXTURE_COORDS{
-				generated_tex.push(*face_description.transform.transform_point2(glam::Vec2::from_array(tex)).as_ref());
+				generated_tex.push(face_description.transform.transform_point2(tex));
 			}
 			transform_index
 		} as u32;
-		let color_index=if let Some(color_index)=generated_color.iter().position(|color|color==face_description.color.as_ref()){
+		let color_index=if let Some(color_index)=generated_color.iter().position(|&color|color==face_description.color){
 			color_index
 		}else{
 			//create new color_index
 			let color_index=generated_color.len();
-			generated_color.push(*face_description.color.as_ref());
+			generated_color.push(face_description.color);
 			color_index
 		} as u32;
 		let face_id=match face{
@@ -425,7 +431,7 @@ pub fn generate_partial_unit_cornerwedge(face_descriptions:CornerWedgeFaceDescri
 			[7,2,4],
 		],
 	];
-	let mut generated_pos=Vec::<[f32;3]>::new();
+	let mut generated_pos=Vec::new();
 	let mut generated_tex=Vec::new();
 	let mut generated_normal=Vec::new();
 	let mut generated_color=Vec::new();
@@ -433,7 +439,7 @@ 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.iter(){
+	for (face,face_description) in face_descriptions.into_iter(){
 		//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
@@ -442,23 +448,24 @@ pub fn generate_partial_unit_cornerwedge(face_descriptions:CornerWedgeFaceDescri
 			let transform_index=transforms.len();
 			transforms.push(face_description.transform);
 			for tex in CUBE_DEFAULT_TEXTURE_COORDS{
-				generated_tex.push(*face_description.transform.transform_point2(glam::Vec2::from_array(tex)).as_ref());
+				generated_tex.push(face_description.transform.transform_point2(tex));
 			}
 			transform_index
 		} as u32;
-		let color_index=if let Some(color_index)=generated_color.iter().position(|color|color==face_description.color.as_ref()){
+		let color_index=if let Some(color_index)=generated_color.iter().position(|&color|color==face_description.color){
 			color_index
 		}else{
 			//create new color_index
 			let color_index=generated_color.len();
-			generated_color.push(*face_description.color.as_ref());
+			generated_color.push(face_description.color);
 			color_index
 		} as u32;
 		let face_id=match face{
 			CornerWedgeFace::Right => 0,
-			CornerWedgeFace::Top => 1,
-			CornerWedgeFace::Bottom => 2,
-			CornerWedgeFace::Front => 3,
+			CornerWedgeFace::TopBack => 1,
+			CornerWedgeFace::TopLeft => 2,
+			CornerWedgeFace::Bottom => 3,
+			CornerWedgeFace::Front => 4,
 		};
 		//always push normal
 		let normal_index=generated_normal.len() as u32;

src/settings.rs

@@ -0,0 +1,134 @@
+use crate::integer::{Ratio64,Ratio64Vec2};
+struct Ratio{
+	ratio:f64,
+}
+enum DerivedFov{
+	FromScreenAspect,
+	FromAspect(Ratio),
+}
+enum Fov{
+	Exactly{x:f64,y:f64},
+	SpecifyXDeriveY{x:f64,y:DerivedFov},
+	SpecifyYDeriveX{x:DerivedFov,y:f64},
+}
+impl Default for Fov{
+	fn default()->Self{
+		Fov::SpecifyYDeriveX{x:DerivedFov::FromScreenAspect,y:1.0}
+	}
+}
+enum DerivedSensitivity{
+	FromRatio(Ratio64),
+}
+enum Sensitivity{
+	Exactly{x:Ratio64,y:Ratio64},
+	SpecifyXDeriveY{x:Ratio64,y:DerivedSensitivity},
+	SpecifyYDeriveX{x:DerivedSensitivity,y:Ratio64},
+}
+impl Default for Sensitivity{
+	fn default()->Self{
+		Sensitivity::SpecifyXDeriveY{x:Ratio64::ONE*524288,y:DerivedSensitivity::FromRatio(Ratio64::ONE)}
+	}
+}
+
+#[derive(Default)]
+pub struct UserSettings{
+	fov:Fov,
+	sensitivity:Sensitivity,
+}
+impl UserSettings{
+	pub fn calculate_fov(&self,zoom:f64,screen_size:&glam::UVec2)->glam::DVec2{
+		zoom*match &self.fov{
+			&Fov::Exactly{x,y}=>glam::dvec2(x,y),
+			Fov::SpecifyXDeriveY{x,y}=>match y{
+				DerivedFov::FromScreenAspect=>glam::dvec2(*x,x*(screen_size.y as f64/screen_size.x as f64)),
+				DerivedFov::FromAspect(ratio)=>glam::dvec2(*x,x*ratio.ratio),
+			},
+			Fov::SpecifyYDeriveX{x,y}=>match x{
+				DerivedFov::FromScreenAspect=>glam::dvec2(y*(screen_size.x as f64/screen_size.y as f64),*y),
+				DerivedFov::FromAspect(ratio)=>glam::dvec2(y*ratio.ratio,*y),
+			},
+		}
+	}
+	pub fn calculate_sensitivity(&self)->Ratio64Vec2{
+		match &self.sensitivity{
+			Sensitivity::Exactly{x,y}=>Ratio64Vec2::new(x.clone(),y.clone()),
+			Sensitivity::SpecifyXDeriveY{x,y}=>match y{
+				DerivedSensitivity::FromRatio(ratio)=>Ratio64Vec2::new(x.clone(),x.mul_ref(ratio)),
+			}
+			Sensitivity::SpecifyYDeriveX{x,y}=>match x{
+				DerivedSensitivity::FromRatio(ratio)=>Ratio64Vec2::new(y.mul_ref(ratio),y.clone()),
+			}
+		}
+	}
+}
+
+/*
+//sensitivity is raw input dots (i.e. dpi = dots per inch) to radians conversion factor
+sensitivity_x=0.001
+sensitivity_y_from_x_ratio=1
+Sensitivity::DeriveY{x:0.0.001,y:DerivedSensitivity{ratio:1.0}}
+*/
+
+pub fn read_user_settings()->UserSettings{
+	let mut cfg=configparser::ini::Ini::new();
+	if let Ok(_)=cfg.load("settings.conf"){
+		let (cfg_fov_x,cfg_fov_y)=(cfg.getfloat("camera","fov_x"),cfg.getfloat("camera","fov_y"));
+		let fov=match(cfg_fov_x,cfg_fov_y){
+			(Ok(Some(fov_x)),Ok(Some(fov_y)))=>Fov::Exactly {
+				x:fov_x,
+				y:fov_y
+			},
+			(Ok(Some(fov_x)),Ok(None))=>Fov::SpecifyXDeriveY{
+				x:fov_x,
+				y:if let Ok(Some(fov_y_from_x_ratio))=cfg.getfloat("camera","fov_y_from_x_ratio"){
+					DerivedFov::FromAspect(Ratio{ratio:fov_y_from_x_ratio})
+				}else{
+					DerivedFov::FromScreenAspect
+				}
+			},
+			(Ok(None),Ok(Some(fov_y)))=>Fov::SpecifyYDeriveX{
+				x:if let Ok(Some(fov_x_from_y_ratio))=cfg.getfloat("camera","fov_x_from_y_ratio"){
+					DerivedFov::FromAspect(Ratio{ratio:fov_x_from_y_ratio})
+				}else{
+					DerivedFov::FromScreenAspect
+				},
+				y:fov_y,
+			},
+			_=>{
+				Fov::default()
+			},
+		};
+		let (cfg_sensitivity_x,cfg_sensitivity_y)=(cfg.getfloat("camera","sensitivity_x"),cfg.getfloat("camera","sensitivity_y"));
+		let sensitivity=match(cfg_sensitivity_x,cfg_sensitivity_y){
+			(Ok(Some(sensitivity_x)),Ok(Some(sensitivity_y)))=>Sensitivity::Exactly {
+				x:Ratio64::try_from(sensitivity_x).unwrap(),
+				y:Ratio64::try_from(sensitivity_y).unwrap(),
+			},
+			(Ok(Some(sensitivity_x)),Ok(None))=>Sensitivity::SpecifyXDeriveY{
+				x:Ratio64::try_from(sensitivity_x).unwrap(),
+				y:if let Ok(Some(sensitivity_y_from_x_ratio))=cfg.getfloat("camera","sensitivity_y_from_x_ratio"){
+					DerivedSensitivity::FromRatio(Ratio64::try_from(sensitivity_y_from_x_ratio).unwrap())
+				}else{
+					DerivedSensitivity::FromRatio(Ratio64::ONE)
+				},
+			},
+			(Ok(None),Ok(Some(sensitivity_y)))=>Sensitivity::SpecifyYDeriveX{
+				x:if let Ok(Some(sensitivity_x_from_y_ratio))=cfg.getfloat("camera","sensitivity_x_from_y_ratio"){
+					DerivedSensitivity::FromRatio(Ratio64::try_from(sensitivity_x_from_y_ratio).unwrap())
+				}else{
+					DerivedSensitivity::FromRatio(Ratio64::ONE)
+				},
+				y:Ratio64::try_from(sensitivity_y).unwrap(),
+			},
+			_=>{
+				Sensitivity::default()
+			},
+		};
+		UserSettings{
+			fov,
+			sensitivity,
+		}
+	}else{
+		UserSettings::default()
+	}
+}

src/shader.wgsl

@@ -5,8 +5,8 @@ struct Camera {
 	proj_inv: mat4x4<f32>,
 	// from world to camera
 	view: mat4x4<f32>,
-	// camera position
-	cam_pos: vec4<f32>,
+	// from camera to world
+	view_inv: mat4x4<f32>,
 };
 
 //group 0 is the camera
@@ -31,8 +31,7 @@ fn vs_sky(@builtin(vertex_index) vertex_index: u32) -> SkyOutput {
 		1.0
 	);
 
-	// transposition = inversion for this orthonormal matrix
-	let inv_model_view = transpose(mat3x3<f32>(camera.view[0].xyz, camera.view[1].xyz, camera.view[2].xyz));
+	let inv_model_view = mat3x3<f32>(camera.view_inv[0].xyz, camera.view_inv[1].xyz, camera.view_inv[2].xyz);
 	let unprojected = camera.proj_inv * pos;
 
 	var result: SkyOutput;
@@ -43,7 +42,7 @@ fn vs_sky(@builtin(vertex_index) vertex_index: u32) -> SkyOutput {
 
 struct ModelInstance{
 	transform:mat4x4<f32>,
-	normal_transform:mat4x4<f32>,
+	normal_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
@@ -78,11 +77,11 @@ fn vs_entity_texture(
 ) -> EntityOutputTexture {
 	var position: vec4<f32> = model_instances[instance].transform * vec4<f32>(pos, 1.0);
 	var result: EntityOutputTexture;
-	result.normal = (model_instances[instance].normal_transform * vec4<f32>(normal, 1.0)).xyz;
+	result.normal = model_instances[instance].normal_transform * normal;
 	result.texture = texture;
 	result.color = color;
 	result.model_color = model_instances[instance].color;
-	result.view = position.xyz - camera.cam_pos.xyz;
+	result.view = position.xyz - camera.view_inv[3].xyz;//col(3)
 	result.position = camera.proj * camera.view * position;
 	return result;
 }
@@ -109,5 +108,5 @@ fn fs_entity_texture(vertex: EntityOutputTexture) -> @location(0) vec4<f32> {
 
 	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>(0.05) + 0.2 * reflected_color,1.0),mix(vertex.model_color,vec4<f32>(fragment_color.rgb,1.0),fragment_color.a),1.0-pow(1.0-abs(d),2.0));
+	return mix(vec4<f32>(vec3<f32>(0.05) + 0.2 * reflected_color,1.0),mix(vertex.model_color,vec4<f32>(fragment_color.rgb,1.0),fragment_color.a),0.5+0.5*abs(d));
 }

src/worker.rs

@@ -0,0 +1,107 @@
+use std::thread;
+use std::sync::{mpsc,Arc};
+use parking_lot::Mutex;
+
+//The goal here is to have a worker thread that parks itself when it runs out of work.
+//The worker thread publishes the result of its work back to the worker object for every item in the work queue.
+//The physics (target use case) knows when it has not changed the body, so not updating the value is also an option.
+
+pub struct Worker<Task:Send,Value:Clone> {
+	sender: mpsc::Sender<Task>,
+	value:Arc<Mutex<Value>>,
+}
+
+impl<Task:Send+'static,Value:Clone+Send+'static> Worker<Task,Value> {
+	pub fn new<F:FnMut(Task)->Value+Send+'static>(value:Value,mut f:F) -> Self {
+		let (sender, receiver) = mpsc::channel::<Task>();
+		let ret=Self {
+			sender,
+			value:Arc::new(Mutex::new(value)),
+		};
+		let value=ret.value.clone();
+		thread::spawn(move || {
+			loop {
+				match receiver.recv() {
+					Ok(task) => {
+						let v=f(task);//make sure function is evaluated before lock is acquired
+						*value.lock()=v;
+					}
+					Err(_) => {
+						println!("Worker stopping.",);
+						break;
+					}
+				}
+			}
+		});
+		ret
+	}
+
+	pub fn send(&self,task:Task)->Result<(), mpsc::SendError<Task>>{
+		self.sender.send(task)
+	}
+
+	pub fn grab_clone(&self)->Value{
+		self.value.lock().clone()
+	}
+}
+
+pub struct CompatWorker<Task,Value:Clone,F>{
+	data:std::marker::PhantomData<Task>,
+	f:F,
+	value:Value,
+}
+
+impl<Task,Value:Clone,F:FnMut(Task)->Value> CompatWorker<Task,Value,F> {
+	pub fn new(value:Value,f:F) -> Self {
+		Self {
+			f,
+			value,
+			data:std::marker::PhantomData,
+		}
+	}
+
+	pub fn send(&mut self,task:Task)->Result<(),()>{
+		self.value=(self.f)(task);
+		Ok(())
+	}
+
+	pub fn grab_clone(&self)->Value{
+		self.value.clone()
+	}
+}
+
+#[test]//How to run this test with printing: cargo test --release -- --nocapture
+fn test_worker() {
+	println!("hiiiii");
+	// Create the worker thread
+	let worker = Worker::new(crate::physics::Body::with_pva(crate::integer::Planar64Vec3::ZERO,crate::integer::Planar64Vec3::ZERO,crate::integer::Planar64Vec3::ZERO),
+		|_|crate::physics::Body::with_pva(crate::integer::Planar64Vec3::ONE,crate::integer::Planar64Vec3::ONE,crate::integer::Planar64Vec3::ONE)
+	);
+
+	// Send tasks to the worker
+	for _ in 0..5 {
+		let task = crate::instruction::TimedInstruction{
+			time:crate::integer::Time::ZERO,
+			instruction:crate::physics::PhysicsInstruction::StrafeTick,
+		};
+		worker.send(task).unwrap();
+	}
+
+	// Optional: Signal the worker to stop (in a real-world scenario)
+	// sender.send("STOP".to_string()).unwrap();
+
+	// Sleep to allow the worker thread to finish processing
+	thread::sleep(std::time::Duration::from_secs(2));
+
+	// Send a new task
+	let task = crate::instruction::TimedInstruction{
+		time:crate::integer::Time::ZERO,
+		instruction:crate::physics::PhysicsInstruction::StrafeTick,
+	};
+	worker.send(task).unwrap();
+
+	println!("value={}",worker.grab_clone());
+
+	// wait long enough to see print from final task
+	thread::sleep(std::time::Duration::from_secs(1));
+}

src/zeroes.rs

@@ -1,26 +1,30 @@
 //find roots of polynomials
+use crate::integer::Planar64;
+
 #[inline]
-pub fn zeroes2(a0:f32,a1:f32,a2:f32) -> Vec<f32>{
-	if a2==0f32{
+pub fn zeroes2(a0:Planar64,a1:Planar64,a2:Planar64) -> Vec<Planar64>{
+	if a2==Planar64::ZERO{
 		return zeroes1(a0, a1);
 	}
-	let mut radicand=a1*a1-4f32*a2*a0;
-	if 0f32<radicand {
-		radicand=radicand.sqrt();
-		if 0f32<a2 {
-			return vec![(-a1-radicand)/(2f32*a2),(-a1+radicand)/(2f32*a2)];
+	let mut radicand=a1.get() as i128*a1.get() as i128-a2.get() as i128*a0.get() as i128*4;
+	if 0<radicand {
+		//start with f64 sqrt
+		let planar_radicand=Planar64::raw(unsafe{(radicand as f64).sqrt().to_int_unchecked()});
+		//TODO: one or two newtons
+		if Planar64::ZERO<a2 {
+			return vec![(-a1-planar_radicand)/(a2*2),(-a1+planar_radicand)/(a2*2)];
 		} else {
-			return vec![(-a1+radicand)/(2f32*a2),(-a1-radicand)/(2f32*a2)];
+			return vec![(-a1+planar_radicand)/(a2*2),(-a1-planar_radicand)/(a2*2)];
 		}
-	} else if radicand==0f32 {
-		return vec![-a1/(2f32*a2)];
+	} else if radicand==0 {
+		return vec![a1/(a2*-2)];
 	} else {
 		return vec![];
 	}
 }
 #[inline]
-pub fn zeroes1(a0:f32,a1:f32) -> Vec<f32> {
-	if a1==0f32{
+pub fn zeroes1(a0:Planar64,a1:Planar64) -> Vec<Planar64> {
+	if a1==Planar64::ZERO{
 		return vec![];
 	} else {
 		return vec![-a0/a1];