v0.5.2 update deps

This reverts commit fccb13bc60.

.cargo/config.toml

@@ -0,0 +1,2 @@
+[registries.strafesnet]
+index = "sparse+https://git.itzana.me/api/packages/strafesnet/cargo/"

Cargo.lock

@@ -3,14 +3,119 @@
 version = 3
 
 [[package]]
-name = "glam"
-version = "0.25.0"
+name = "arrayvec"
+version = "0.7.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "151665d9be52f9bb40fc7966565d39666f2d1e69233571b71b87791c7e0528b3"
+checksum = "7c02d123df017efcdfbd739ef81735b36c5ba83ec3c59c80a9d7ecc718f92e50"
+
+[[package]]
+name = "bitflags"
+version = "2.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b048fb63fd8b5923fc5aa7b340d8e156aec7ec02f0c78fa8a6ddc2613f6f71de"
+
+[[package]]
+name = "bnum"
+version = "0.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "50202def95bf36cb7d1d7a7962cea1c36a3f8ad42425e5d2b71d7acb8041b5b8"
+
+[[package]]
+name = "fixed_wide"
+version = "0.1.1"
+source = "sparse+https://git.itzana.me/api/packages/strafesnet/cargo/"
+checksum = "d9c2cf115b3785ede870fada07e8b1aeba3378345b4ca86fe3c772ecabc05c0f"
+dependencies = [
+ "arrayvec",
+ "bnum",
+ "paste",
+ "ratio_ops",
+]
+
+[[package]]
+name = "glam"
+version = "0.29.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c28091a37a5d09b555cb6628fd954da299b536433834f5b8e59eba78e0cbbf8a"
+
+[[package]]
+name = "id"
+version = "0.1.0"
+source = "sparse+https://git.itzana.me/api/packages/strafesnet/cargo/"
+checksum = "2337e7a6c273082b672e377e159d7a168fb51438461b7c4033c79a515dd7a25a"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "linear_ops"
+version = "0.1.0"
+source = "sparse+https://git.itzana.me/api/packages/strafesnet/cargo/"
+checksum = "b2e6977ac24f47086d8a7a2d4ae1c720e86dfdc8407cf5e34c18bfa01053c456"
+dependencies = [
+ "fixed_wide",
+ "paste",
+ "ratio_ops",
+]
+
+[[package]]
+name = "paste"
+version = "1.0.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "57c0d7b74b563b49d38dae00a0c37d4d6de9b432382b2892f0574ddcae73fd0a"
+
+[[package]]
+name = "proc-macro2"
+version = "1.0.86"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5e719e8df665df0d1c8fbfd238015744736151d4445ec0836b8e628aae103b77"
+dependencies = [
+ "unicode-ident",
+]
+
+[[package]]
+name = "quote"
+version = "1.0.37"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b5b9d34b8991d19d98081b46eacdd8eb58c6f2b201139f7c5f643cc155a633af"
+dependencies = [
+ "proc-macro2",
+]
+
+[[package]]
+name = "ratio_ops"
+version = "0.1.0"
+source = "sparse+https://git.itzana.me/api/packages/strafesnet/cargo/"
+checksum = "01239195d6afe0509e7e3511b716c0540251dfe7ece0a9a5a27116afb766c42c"
 
 [[package]]
 name = "strafesnet_common"
-version = "0.1.0"
+version = "0.5.2"
 dependencies = [
+ "arrayvec",
+ "bitflags",
+ "fixed_wide",
  "glam",
+ "id",
+ "linear_ops",
+ "ratio_ops",
 ]
+
+[[package]]
+name = "syn"
+version = "2.0.79"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "89132cd0bf050864e1d38dc3bbc07a0eb8e7530af26344d3d2bbbef83499f590"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
+[[package]]
+name = "unicode-ident"
+version = "1.0.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e91b56cd4cadaeb79bbf1a5645f6b4f8dc5bde8834ad5894a8db35fda9efa1fe"

Cargo.toml

@@ -1,9 +1,19 @@
 [package]
 name = "strafesnet_common"
-version = "0.1.0"
+version = "0.5.2"
 edition = "2021"
+repository = "https://git.itzana.me/StrafesNET/common"
+license = "MIT OR Apache-2.0"
+description = "Common types and helpers for Strafe Client associated projects."
+authors = ["Rhys Lloyd <krakow20@gmail.com>"]
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-glam = "0.25.0"
+arrayvec = "0.7.4"
+bitflags = "2.6.0"
+fixed_wide = { version = "0.1.1", registry = "strafesnet", features = ["deferred-division","zeroes","wide-mul"] }
+linear_ops = { version = "0.1.0", registry = "strafesnet", features = ["deferred-division","named-fields"] }
+ratio_ops = { version = "0.1.0", registry = "strafesnet" }
+glam = "0.29.0"
+id = { version = "0.1.0", registry = "strafesnet" }

src/aabb.rs

@@ -1,4 +1,4 @@
-use crate::integer::Planar64Vec3;
+use crate::integer::{vec3,Planar64Vec3};
 
 #[derive(Clone)]
 pub struct Aabb{
@@ -6,13 +6,22 @@ pub struct Aabb{
 	max:Planar64Vec3,
 }
 
-impl Default for Aabb {
-	fn default()->Self {
-		Self{min:Planar64Vec3::MAX,max:Planar64Vec3::MIN}
+impl Default for Aabb{
+	fn default()->Self{
+		Self{min:vec3::MAX,max:vec3::MIN}
 	}
 }
 
 impl Aabb{
+	pub const fn new(min:Planar64Vec3,max:Planar64Vec3)->Self{
+		Self{min,max}
+	}
+	pub const fn max(&self)->Planar64Vec3{
+		self.max
+	}
+	pub const fn min(&self)->Planar64Vec3{
+		self.min
+	}
 	pub fn grow(&mut self,point:Planar64Vec3){
 		self.min=self.min.min(point);
 		self.max=self.max.max(point);
@@ -26,13 +35,14 @@ impl Aabb{
 		self.max+=hs;
 	}
 	pub fn intersects(&self,aabb:&Aabb)->bool{
-		(self.min.cmplt(aabb.max)&aabb.min.cmplt(self.max)).all()
+		let bvec=self.min.lt(aabb.max)&aabb.min.lt(self.max);
+		bvec.all()
 	}
 	pub fn size(&self)->Planar64Vec3{
 		self.max-self.min
 	}
 	pub fn center(&self)->Planar64Vec3{
-		self.min.midpoint(self.max)
+		self.min+(self.max-self.min)>>1
 	}
 	//probably use floats for area & volume because we don't care about precision
 	// pub fn area_weight(&self)->f32{
@@ -43,4 +53,4 @@ impl Aabb{
 	// 	let d=self.max-self.min;
 	// 	d.x*d.y*d.z
 	// }
-}
+}

src/bvh.rs

@@ -9,26 +9,39 @@ use crate::aabb::Aabb;
 //start with bisection into octrees because a bad bvh is still 1000x better than no bvh
 //sort the centerpoints on each axis (3 lists)
 //bv is put into octant based on whether it is upper or lower in each list
-enum BvhNodeContent{
-	Branch(Vec<BvhNode>),
-	Leaf(usize),
+
+pub enum RecursiveContent<R,T>{
+	Branch(Vec<R>),
+	Leaf(T),
 }
-impl Default for BvhNodeContent{
+impl<R,T> Default for RecursiveContent<R,T>{
 	fn default()->Self{
 		Self::Branch(Vec::new())
 	}
 }
-#[derive(Default)]
-pub struct BvhNode{
-	content:BvhNodeContent,
+pub struct BvhNode<T>{
+	content:RecursiveContent<BvhNode<T>,T>,
+	aabb:Aabb,
+}
+impl<T> Default for BvhNode<T>{
+	fn default()->Self{
+		Self{
+			content:Default::default(),
+			aabb:Aabb::default(),
+		}
+	}
+}
+pub struct BvhWeightNode<W,T>{
+	content:RecursiveContent<BvhWeightNode<W,T>,T>,
+	weight:W,
 	aabb:Aabb,
 }
 
-impl BvhNode{
-	pub fn the_tester<F:FnMut(usize)>(&self,aabb:&Aabb,f:&mut F){
+impl<T> BvhNode<T>{
+	pub fn the_tester<F:FnMut(&T)>(&self,aabb:&Aabb,f:&mut F){
 		match &self.content{
-			&BvhNodeContent::Leaf(model)=>f(model),
-			BvhNodeContent::Branch(children)=>for child in children{
+			RecursiveContent::Leaf(model)=>f(model),
+			RecursiveContent::Branch(children)=>for child in children{
 				//this test could be moved outside the match statement
 				//but that would test the root node aabb
 				//you're probably not going to spend a lot of time outside the map,
@@ -39,38 +52,83 @@ impl BvhNode{
 			},
 		}
 	}
+	pub fn into_visitor<F:FnMut(T)>(self,f:&mut F){
+		match self.content{
+			RecursiveContent::Leaf(model)=>f(model),
+			RecursiveContent::Branch(children)=>for child in children{
+				child.into_visitor(f)
+			},
+		}
+	}
+	pub fn weigh_contents<W:Copy+std::iter::Sum<W>,F:Fn(&T)->W>(self,f:&F)->BvhWeightNode<W,T>{
+		match self.content{
+			RecursiveContent::Leaf(model)=>BvhWeightNode{
+				weight:f(&model),
+				content:RecursiveContent::Leaf(model),
+				aabb:self.aabb,
+			},
+			RecursiveContent::Branch(children)=>{
+				let branch:Vec<BvhWeightNode<W,T>>=children.into_iter().map(|child|
+					child.weigh_contents(f)
+				).collect();
+				BvhWeightNode{
+					weight:branch.iter().map(|node|node.weight).sum(),
+					content:RecursiveContent::Branch(branch),
+					aabb:self.aabb,
+				}
+			},
+		}
+	}
 }
 
-pub fn generate_bvh(boxen:Vec<Aabb>)->BvhNode{
-	generate_bvh_node(boxen.into_iter().enumerate().collect())
+impl <W,T> BvhWeightNode<W,T>{
+	pub const fn weight(&self)->&W{
+		&self.weight
+	}
+	pub const fn aabb(&self)->&Aabb{
+		&self.aabb
+	}
+	pub fn into_content(self)->RecursiveContent<BvhWeightNode<W,T>,T>{
+		self.content
+	}
+	pub fn into_visitor<F:FnMut(T)>(self,f:&mut F){
+		match self.content{
+			RecursiveContent::Leaf(model)=>f(model),
+			RecursiveContent::Branch(children)=>for child in children{
+				child.into_visitor(f)
+			},
+		}
+	}
 }
 
-fn generate_bvh_node(boxen:Vec<(usize,Aabb)>)->BvhNode{
+pub fn generate_bvh<T>(boxen:Vec<(T,Aabb)>)->BvhNode<T>{
+	generate_bvh_node(boxen,false)
+}
+
+fn generate_bvh_node<T>(boxen:Vec<(T,Aabb)>,force:bool)->BvhNode<T>{
 	let n=boxen.len();
-	if n<20{
+	if force||n<20{
 		let mut aabb=Aabb::default();
 		let nodes=boxen.into_iter().map(|b|{
 			aabb.join(&b.1);
 			BvhNode{
-				content:BvhNodeContent::Leaf(b.0),
+				content:RecursiveContent::Leaf(b.0),
 				aabb:b.1,
 			}
 		}).collect();
 		BvhNode{
-			content:BvhNodeContent::Branch(nodes),
+			content:RecursiveContent::Branch(nodes),
 			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(){
+		for (i,(_,aabb)) in boxen.iter().enumerate(){
 			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.push((i,center.x));
+			sort_y.push((i,center.y));
+			sort_z.push((i,center.z));
 		}
 		sort_x.sort_by(|tup0,tup1|tup0.1.cmp(&tup1.1));
 		sort_y.sort_by(|tup0,tup1|tup0.1.cmp(&tup1.1));
@@ -79,26 +137,34 @@ fn generate_bvh_node(boxen:Vec<(usize,Aabb)>)->BvhNode{
 		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);
-			}
+		//locate a run of values equal to the median
+		//partition point gives the first index for which the predicate evaluates to false
+		let first_index_eq_median_x=sort_x.partition_point(|&(_,x)|x<median_x);
+		let first_index_eq_median_y=sort_y.partition_point(|&(_,y)|y<median_y);
+		let first_index_eq_median_z=sort_z.partition_point(|&(_,z)|z<median_z);
+		let first_index_gt_median_x=sort_x.partition_point(|&(_,x)|x<=median_x);
+		let first_index_gt_median_y=sort_y.partition_point(|&(_,y)|y<=median_y);
+		let first_index_gt_median_z=sort_z.partition_point(|&(_,z)|z<=median_z);
+		//pick which side median value copies go into such that both sides are as balanced as possible based on distance from n/2
+		let partition_point_x=if n.abs_diff(2*first_index_eq_median_x)<n.abs_diff(2*first_index_gt_median_x){first_index_eq_median_x}else{first_index_gt_median_x};
+		let partition_point_y=if n.abs_diff(2*first_index_eq_median_y)<n.abs_diff(2*first_index_gt_median_y){first_index_eq_median_y}else{first_index_gt_median_y};
+		let partition_point_z=if n.abs_diff(2*first_index_eq_median_z)<n.abs_diff(2*first_index_gt_median_z){first_index_eq_median_z}else{first_index_gt_median_z};
+		//this ids which octant the boxen is put in
+		let mut octant=vec![0;n];
+		for &(i,_) in &sort_x[partition_point_x..]{
+			octant[i]+=1<<0;
 		}
-		for (i,c) in sort_y{
-			if median_y<c{
-				octant.insert(i,octant[&i]+1<<1);
-			}
+		for &(i,_) in &sort_y[partition_point_y..]{
+			octant[i]+=1<<1;
 		}
-		for (i,c) in sort_z{
-			if median_z<c{
-				octant.insert(i,octant[&i]+1<<2);
-			}
+		for &(i,_) in &sort_z[partition_point_z..]{
+			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];
+		for (i,(data,aabb)) in boxen.into_iter().enumerate(){
+			let octant_id=octant[i];
 			let list_id=if let Some(list_id)=octant_list.iter().position(|&id|id==octant_id){
 				list_id
 			}else{
@@ -107,17 +173,22 @@ fn generate_bvh_node(boxen:Vec<(usize,Aabb)>)->BvhNode{
 				list_list.push(Vec::new());
 				list_id
 			};
-			list_list[list_id].push((i,aabb));
+			list_list[list_id].push((data,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{
-			content:BvhNodeContent::Branch(children),
-			aabb,
+		if list_list.len()==1{
+			generate_bvh_node(list_list.remove(0),true)
+		}else{
+			BvhNode{
+				content:RecursiveContent::Branch(
+					list_list.into_iter().map(|b|{
+						let node=generate_bvh_node(b,false);
+						aabb.join(&node.aabb);
+						node
+					}).collect()
+				),
+				aabb,
+			}
 		}
 	}
 }

src/controls_bitflag.rs

@@ -0,0 +1,30 @@
+bitflags::bitflags!{
+	#[derive(Clone,Copy,Debug,Default)]
+	pub struct Controls:u32{
+		const MoveForward=1<<0;
+		const MoveLeft=1<<1;
+		const MoveBackward=1<<2;
+		const MoveRight=1<<3;
+		const MoveUp=1<<4;
+		const MoveDown=1<<5;
+		const LookUp=1<<6;
+		const LookLeft=1<<7;
+		const LookDown=1<<8;
+		const LookRight=1<<9;
+		const Jump=1<<10;
+		const Crouch=1<<11;
+		const Sprint=1<<12;
+		const Zoom=1<<13;
+		const Use=1<<14;//Interact with object
+		const PrimaryAction=1<<15;//LBM/Shoot/Melee
+		const SecondaryAction=1<<16;//RMB/ADS/Block
+	}
+}
+impl Controls{
+	pub const fn wasd()->Self{
+		Self::MoveForward.union(Self::MoveLeft).union(Self::MoveBackward).union(Self::MoveRight)
+	}
+	pub const fn wasdqe()->Self{
+		Self::MoveForward.union(Self::MoveLeft).union(Self::MoveBackward).union(Self::MoveRight).union(Self::MoveUp).union(Self::MoveDown)
+	}
+}

src/gameplay_attributes.rs

@@ -1,3 +1,4 @@
+use crate::model;
 use crate::integer::{Time,Planar64,Planar64Vec3};
 
 //you have this effect while in contact
@@ -8,8 +9,9 @@ pub struct ContactingLadder{
 #[derive(Clone,Hash,Eq,PartialEq)]
 pub enum ContactingBehaviour{
 	Surf,
-	Cling,//usable as a zipline, or other weird and wonderful things
 	Ladder(ContactingLadder),
+	NoJump,
+	Cling,//usable as a zipline, or other weird and wonderful things
 	Elastic(u32),//[1/2^32,1] 0=None (elasticity+1)/2^32
 }
 //you have this effect while intersecting
@@ -29,6 +31,23 @@ pub enum Booster{
 	//Affine(crate::integer::Planar64Affine3),//capable of SetVelocity,DotVelocity,normal booster,bouncy part,redirect velocity, and much more
 	Velocity(Planar64Vec3),//straight up boost velocity adds to your current velocity
 	Energy{direction:Planar64Vec3,energy:Planar64},//increase energy in direction
+	AirTime(Time),//increase airtime, invariant across mass and gravity changes
+	Height(Planar64),//increase height, invariant across mass and gravity changes
+}
+impl Booster{
+	pub fn boost(&self,velocity:Planar64Vec3)->Planar64Vec3{
+		match self{
+			&Booster::Velocity(boost_velocity)=>velocity+boost_velocity,
+			&Booster::Energy{..}=>{
+				todo!()
+				//let d=direction.dot(velocity);
+				//TODO: think about negative
+				//velocity+direction.with_length((d*d+energy).sqrt()-d)
+			},
+			Booster::AirTime(_)=>todo!(),
+			Booster::Height(_)=>todo!(),
+		}
+	}
 }
 #[derive(Clone,Hash,Eq,PartialEq)]
 pub enum TrajectoryChoice{
@@ -54,7 +73,7 @@ pub enum SetTrajectory{
 	Velocity(Planar64Vec3),//SetVelocity
 }
 impl SetTrajectory{
-	fn is_velocity(&self)->bool{
+	pub const fn is_absolute(&self)->bool{
 		match self{
 			SetTrajectory::AirTime(_)
 			|SetTrajectory::Height(_)
@@ -76,7 +95,7 @@ pub struct Wormhole{
 	//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,
+	pub destination_model:model::ModelId,
 	//(position,angles)*=origin.transform.inverse()*destination.transform
 }
 //attributes listed in order of handling
@@ -88,14 +107,14 @@ pub struct GeneralAttributes{
 	pub accelerator:Option<Accelerator>,
 }
 impl GeneralAttributes{
-	pub fn any(&self)->bool{
+	pub const fn any(&self)->bool{
 		self.booster.is_some()
 		||self.trajectory.is_some()
 		||self.wormhole.is_some()
 		||self.accelerator.is_some()
 	}
 	pub fn is_wrcp(&self)->bool{
-		self.trajectory.as_ref().map_or(false,|t|t.is_velocity())
+		self.trajectory.as_ref().map_or(false,|t|t.is_absolute())
 		/*
 		&&match &self.teleport_behaviour{
 			Some(TeleportBehaviour::StageElement(
@@ -117,7 +136,7 @@ pub struct ContactingAttributes{
 	pub contact_behaviour:Option<ContactingBehaviour>,
 }
 impl ContactingAttributes{
-	pub fn any(&self)->bool{
+	pub const fn any(&self)->bool{
 		self.contact_behaviour.is_some()
 	}
 }
@@ -126,27 +145,30 @@ pub struct IntersectingAttributes{
 	pub water:Option<IntersectingWater>,
 }
 impl IntersectingAttributes{
-	pub fn any(&self)->bool{
+	pub const fn any(&self)->bool{
 		self.water.is_some()
 	}
 }
+#[derive(Clone,Copy,id::Id,Hash,Eq,PartialEq)]
 pub struct CollisionAttributesId(u32);
+#[derive(Clone,Default,Hash,Eq,PartialEq)]
+pub struct ContactAttributes{
+	pub contacting:ContactingAttributes,
+	pub general:GeneralAttributes,
+}
+#[derive(Clone,Default,Hash,Eq,PartialEq)]
+pub struct IntersectAttributes{
+	pub intersecting:IntersectingAttributes,
+	pub general:GeneralAttributes,
+}
+#[derive(Clone,Hash,Eq,PartialEq)]
 pub enum CollisionAttributes{
 	Decoration,//visual only
-	Contact{//track whether you are contacting the object
-		contacting:ContactingAttributes,
-		general:GeneralAttributes,
-	},
-	Intersect{//track whether you are intersecting the object
-		intersecting:IntersectingAttributes,
-		general:GeneralAttributes,
-	},
+	Contact(ContactAttributes),//track whether you are contacting the object
+	Intersect(IntersectAttributes),//track whether you are intersecting the object
 }
-impl std::default::Default for CollisionAttributes{
-	fn default()->Self{
-		Self::Contact{
-			contacting:ContactingAttributes::default(),
-			general:GeneralAttributes::default()
-		}
+impl CollisionAttributes{
+	pub fn contact_default()->Self{
+		Self::Contact(ContactAttributes::default())
 	}
 }

src/gameplay_modes.rs

@@ -1,14 +1,44 @@
 use std::collections::{HashSet,HashMap};
 use crate::model::ModelId;
 use crate::gameplay_style;
+use crate::updatable::Updatable;
 
+#[derive(Clone)]
 pub struct StageElement{
-	stage:StageId,//which stage spawn to send to
+	stage_id:StageId,//which stage spawn to send to
 	force:bool,//allow setting to lower spawn id i.e. 7->3
-	behaviour:StageElementBehaviour
+	behaviour:StageElementBehaviour,
+	jump_limit:Option<u8>,
+}
+impl StageElement{
+	#[inline]
+	pub const fn new(stage_id:StageId,force:bool,behaviour:StageElementBehaviour,jump_limit:Option<u8>)->Self{
+		Self{
+			stage_id,
+			force,
+			behaviour,
+			jump_limit,
+		}
+	}
+	#[inline]
+	pub const fn stage_id(&self)->StageId{
+		self.stage_id
+	}
+	#[inline]
+	pub const fn force(&self)->bool{
+		self.force
+	}
+	#[inline]
+	pub const fn behaviour(&self)->StageElementBehaviour{
+		self.behaviour
+	}
+	#[inline]
+	pub const fn jump_limit(&self)->Option<u8>{
+		self.jump_limit
+	}
 }
 
-#[derive(Clone,Hash,Eq,PartialEq)]
+#[derive(Clone,Copy,Hash,Eq,PartialEq)]
 pub enum StageElementBehaviour{
 	SpawnAt,//must be standing on top to get effect. except cancollide false
 	Trigger,
@@ -20,71 +50,282 @@ pub enum StageElementBehaviour{
 	Checkpoint,//this is a combined behaviour for Ordered & Unordered in case a model is used multiple times or for both.
 }
 
+#[derive(Clone,Copy,Debug,Hash,id::Id,Eq,PartialEq)]
+pub struct CheckpointId(u32);
+impl CheckpointId{
+	pub const FIRST:Self=Self(0);
+}
+#[derive(Clone,Copy,Debug,Hash,id::Id,Eq,PartialEq,Ord,PartialOrd)]
 pub struct StageId(u32);
+impl StageId{
+	pub const FIRST:Self=Self(0);
+}
+#[derive(Clone)]
 pub struct Stage{
 	spawn:ModelId,
-	//other behaviour models of this stage can have
-	ordered_checkpoints:Vec<ModelId>,
+	//open world support lol
+	ordered_checkpoints_count:u32,
+	unordered_checkpoints_count:u32,
+	//currently loaded checkpoint models
+	ordered_checkpoints:HashMap<CheckpointId,ModelId>,
 	unordered_checkpoints:HashSet<ModelId>,
 }
-
-#[derive(Clone,Hash,Eq,PartialEq)]
-pub enum ZoneBehaviour{
-	Finish,
-	Anitcheat,
+impl Stage{
+	pub fn new(
+		spawn:ModelId,
+		ordered_checkpoints_count:u32,
+		unordered_checkpoints_count:u32,
+		ordered_checkpoints:HashMap<CheckpointId,ModelId>,
+		unordered_checkpoints:HashSet<ModelId>,
+	)->Self{
+		Self{
+			spawn,
+			ordered_checkpoints_count,
+			unordered_checkpoints_count,
+			ordered_checkpoints,
+			unordered_checkpoints,
+		}
+	}
+	pub fn empty(spawn:ModelId)->Self{
+		Self{
+			spawn,
+			ordered_checkpoints_count:0,
+			unordered_checkpoints_count:0,
+			ordered_checkpoints:HashMap::new(),
+			unordered_checkpoints:HashSet::new(),
+		}
+	}
+	#[inline]
+	pub const fn spawn(&self)->ModelId{
+		self.spawn
+	}
+	#[inline]
+	pub const fn ordered_checkpoints_count(&self)->u32{
+		self.ordered_checkpoints_count
+	}
+	#[inline]
+	pub const fn unordered_checkpoints_count(&self)->u32{
+		self.unordered_checkpoints_count
+	}
+	pub fn into_inner(self)->(HashMap<CheckpointId,ModelId>,HashSet<ModelId>){
+		(self.ordered_checkpoints,self.unordered_checkpoints)
+	}
+	#[inline]
+	pub const fn is_empty(&self)->bool{
+		self.is_complete(0,0)
+	}
+	#[inline]
+	pub const fn is_complete(&self,ordered_checkpoints_count:u32,unordered_checkpoints_count:u32)->bool{
+		self.ordered_checkpoints_count==ordered_checkpoints_count&&self.unordered_checkpoints_count==unordered_checkpoints_count
+	}
+	#[inline]
+	pub fn is_next_ordered_checkpoint(&self,next_ordered_checkpoint_id:CheckpointId,model_id:ModelId)->bool{
+		self.ordered_checkpoints.get(&next_ordered_checkpoint_id).is_some_and(|&next_checkpoint|model_id==next_checkpoint)
+	}
+	#[inline]
+	pub fn is_unordered_checkpoint(&self,model_id:ModelId)->bool{
+		self.unordered_checkpoints.contains(&model_id)
+	}
 }
+#[derive(Default)]
+pub struct StageUpdate{
+	//other behaviour models of this stage can have
+	ordered_checkpoints:HashMap<CheckpointId,ModelId>,
+	unordered_checkpoints:HashSet<ModelId>,
+}
+impl Updatable<StageUpdate> for Stage{
+	fn update(&mut self,update:StageUpdate){
+		self.ordered_checkpoints.extend(update.ordered_checkpoints);
+		self.unordered_checkpoints.extend(update.unordered_checkpoints);
+	}
+}
+
+#[derive(Clone,Copy,Hash,Eq,PartialEq)]
+pub enum Zone{
+	Start,
+	Finish,
+	Anticheat,
+}
+#[derive(Clone,Copy,Debug,Hash,id::Id,Eq,PartialEq,Ord,PartialOrd)]
 pub struct ModeId(u32);
+impl ModeId{
+	pub const MAIN:Self=Self(0);
+	pub const BONUS:Self=Self(1);
+}
+#[derive(Clone)]
 pub struct Mode{
 	style:gameplay_style::StyleModifiers,
-	start:ModelId,
-	zones:HashMap<ModelId,ZoneBehaviour>,
-	stages:Vec<Stage>,
+	start:ModelId,//when you press reset you go here
+	zones:HashMap<ModelId,Zone>,
+	stages:Vec<Stage>,//when you load the map you go to stages[0].spawn
 	//mutually exlusive stage element behaviour
 	elements:HashMap<ModelId,StageElement>,
-	jump_limit:HashMap<ModelId,u32>,
 }
 impl Mode{
+	pub fn new(
+		style:gameplay_style::StyleModifiers,
+		start:ModelId,
+		zones:HashMap<ModelId,Zone>,
+		stages:Vec<Stage>,
+		elements:HashMap<ModelId,StageElement>,
+	)->Self{
+		Self{
+			style,
+			start,
+			zones,
+			stages,
+			elements,
+		}
+	}
+	pub fn empty(style:gameplay_style::StyleModifiers,start:ModelId)->Self{
+		Self{
+			style,
+			start,
+			zones:HashMap::new(),
+			stages:Vec::new(),
+			elements:HashMap::new(),
+		}
+	}
+	pub fn into_inner(self)->(
+		gameplay_style::StyleModifiers,
+		ModelId,
+		HashMap<ModelId,Zone>,
+		Vec<Stage>,
+		HashMap<ModelId,StageElement>,
+	){
+		(
+			self.style,
+			self.start,
+			self.zones,
+			self.stages,
+			self.elements,
+		)
+	}
+	pub const fn get_start(&self)->ModelId{
+		self.start
+	}
+	pub const fn get_style(&self)->&gameplay_style::StyleModifiers{
+		&self.style
+	}
+	pub fn push_stage(&mut self,stage:Stage){
+		self.stages.push(stage)
+	}
+	pub fn get_stage_mut(&mut self,stage:StageId)->Option<&mut Stage>{
+		self.stages.get_mut(stage.0 as usize)
+	}
 	pub fn get_spawn_model_id(&self,stage:StageId)->Option<ModelId>{
 		self.stages.get(stage.0 as usize).map(|s|s.spawn)
 	}
+	pub fn get_zone(&self,model_id:ModelId)->Option<&Zone>{
+		self.zones.get(&model_id)
+	}
+	pub fn get_stage(&self,stage_id:StageId)->Option<&Stage>{
+		self.stages.get(stage_id.0 as usize)
+	}
+	pub fn get_element(&self,model_id:ModelId)->Option<&StageElement>{
+		self.elements.get(&model_id)
+	}
+	//TODO: put this in the SNF
 	pub fn denormalize_data(&mut self){
 		//expand and index normalized data
+		self.zones.insert(self.start,Zone::Start);
 		for (stage_id,stage) in self.stages.iter().enumerate(){
 			self.elements.insert(stage.spawn,StageElement{
-				stage:StageId(stage_id as u32),
+				stage_id:StageId(stage_id as u32),
 				force:false,
 				behaviour:StageElementBehaviour::SpawnAt,
+				jump_limit:None,
 			});
-			for &model_id in &stage.ordered_checkpoints{
-				self.elements.insert(model_id,StageElement{
-					stage:StageId(stage_id as u32),
+			for (_,&model) in &stage.ordered_checkpoints{
+				self.elements.insert(model,StageElement{
+					stage_id:StageId(stage_id as u32),
 					force:false,
 					behaviour:StageElementBehaviour::Checkpoint,
+					jump_limit:None,
 				});
 			}
-			for &model_id in &stage.unordered_checkpoints{
-				self.elements.insert(model_id,StageElement{
-					stage:StageId(stage_id as u32),
+			for &model in &stage.unordered_checkpoints{
+				self.elements.insert(model,StageElement{
+					stage_id:StageId(stage_id as u32),
 					force:false,
 					behaviour:StageElementBehaviour::Checkpoint,
+					jump_limit:None,
 				});
 			}
 		}
 	}
 }
-
+//this would be nice as a macro
 #[derive(Default)]
+pub struct ModeUpdate{
+	zones:HashMap<ModelId,Zone>,
+	stages:HashMap<StageId,StageUpdate>,
+	//mutually exlusive stage element behaviour
+	elements:HashMap<ModelId,StageElement>,
+}
+impl Updatable<ModeUpdate> for Mode{
+	fn update(&mut self,update:ModeUpdate){
+		self.zones.extend(update.zones);
+		for (stage,stage_update) in update.stages{
+			if let Some(stage)=self.stages.get_mut(stage.0 as usize){
+				stage.update(stage_update);
+			}
+		}
+		self.elements.extend(update.elements);
+	}
+}
+impl ModeUpdate{
+	pub fn zone(model_id:ModelId,zone:Zone)->Self{
+		let mut mu=Self::default();
+		mu.zones.insert(model_id,zone);
+		mu
+	}
+	pub fn stage(stage_id:StageId,stage_update:StageUpdate)->Self{
+		let mut mu=Self::default();
+		mu.stages.insert(stage_id,stage_update);
+		mu
+	}
+	pub fn element(model_id:ModelId,element:StageElement)->Self{
+		let mut mu=Self::default();
+		mu.elements.insert(model_id,element);
+		mu
+	}
+	pub fn map_stage_element_ids<F:Fn(StageId)->StageId>(&mut self,f:F){
+		for (_,stage_element) in self.elements.iter_mut(){
+			stage_element.stage_id=f(stage_element.stage_id);
+		}
+	}
+}
+
+#[derive(Default,Clone)]
 pub struct Modes{
-	modes:Vec<Mode>,
+	pub modes:Vec<Mode>,
 }
 impl Modes{
-	pub fn clear(&mut self){
-		self.modes.clear();
+	pub const fn new(modes:Vec<Mode>)->Self{
+		Self{
+			modes,
+		}
+	}
+	pub fn into_inner(self)->Vec<Mode>{
+		self.modes
+	}
+	pub fn push_mode(&mut self,mode:Mode){
+		self.modes.push(mode)
 	}
 	pub fn get_mode(&self,mode:ModeId)->Option<&Mode>{
 		self.modes.get(mode.0 as usize)
 	}
-	pub fn insert(&mut self,mode:Mode){
-		self.modes.push(mode);
+}
+pub struct ModesUpdate{
+	modes:HashMap<ModeId,ModeUpdate>,
+}
+impl Updatable<ModesUpdate> for Modes{
+	fn update(&mut self,update:ModesUpdate){
+		for (mode,mode_update) in update.modes{
+			if let Some(mode)=self.modes.get_mut(mode.0 as usize){
+				mode.update(mode_update);
+			}
+		}
 	}
-}
+}

src/gameplay_style.rs

@@ -1,247 +1,399 @@
-const VALVE_SCALE:i64=16;
+const VALVE_SCALE:Planar64=Planar64::raw(1<<28);// 1/16
 
-use crate::integer::{Time,Ratio64,Planar64,Planar64Vec3};
+use crate::integer::{int,vec3::int as int3,Time,Ratio64,Planar64,Planar64Vec3};
+use crate::controls_bitflag::Controls;
 
+#[derive(Clone,Debug)]
 pub struct StyleModifiers{
-	controls_used:u32,//controls which are allowed to pass into gameplay
-	controls_mask:u32,//controls which are masked from control state (e.g. jump in scroll style)
-	strafe:Option<StrafeSettings>,
-	jump_impulse:JumpImpulse,
-	jump_calculation:JumpCalculation,
-	static_friction:Planar64,
-	kinetic_friction:Planar64,
-	walk_speed:Planar64,
-	walk_accel:Planar64,
-	ladder_speed:Planar64,
-	ladder_accel:Planar64,
-	ladder_dot:Planar64,
-	swim_speed:Planar64,
-	mass:Planar64,
-	mv:Planar64,
-	surf_slope:Option<Planar64>,
-	rocket_force:Option<Planar64>,
-	gravity:Planar64Vec3,
-	hitbox:Hitbox,
-	camera_offset:Planar64Vec3,
+	//controls which are allowed to pass into gameplay (usually all)
+	pub controls_mask:Controls,
+	//controls which are masked from control state (e.g. !jump in scroll style)
+	pub controls_mask_state:Controls,
+	//strafing
+	pub strafe:Option<StrafeSettings>,
+	//player gets a controllable rocket force
+	pub rocket:Option<PropulsionSettings>,
+	//flying
+	//pub move_type:MoveType::Fly(FlySettings)
+	//MoveType::Physics(PhysicsSettings) -> PhysicsSettings (strafe,rocket,jump,walk,ladder,swim,gravity)
+	//jumping is allowed
+	pub jump:Option<JumpSettings>,
+	//standing & walking is allowed
+	pub walk:Option<WalkSettings>,
+	//laddering is allowed
+	pub ladder:Option<LadderSettings>,
+	//water propulsion
+	pub swim:Option<PropulsionSettings>,
+	//maximum slope before sloped surfaces become frictionless
+	pub gravity:Planar64Vec3,
+	//hitbox
+	pub hitbox:Hitbox,
+	//camera location relative to the center (0,0,0) of the hitbox
+	pub camera_offset:Planar64Vec3,
+	//unused
+	pub mass:Planar64,
 }
 impl std::default::Default for StyleModifiers{
 	fn default()->Self{
 		Self::roblox_bhop()
 	}
 }
-impl StyleModifiers{
-	const CONTROL_MOVEFORWARD:u32=0b00000001;
-	const CONTROL_MOVEBACK:u32=0b00000010;
-	const CONTROL_MOVERIGHT:u32=0b00000100;
-	const CONTROL_MOVELEFT:u32=0b00001000;
-	const CONTROL_MOVEUP:u32=0b00010000;
-	const CONTROL_MOVEDOWN:u32=0b00100000;
-	const CONTROL_JUMP:u32=0b01000000;
-	const CONTROL_ZOOM:u32=0b10000000;
 
-	const RIGHT_DIR:Planar64Vec3=Planar64Vec3::X;
-	const UP_DIR:Planar64Vec3=Planar64Vec3::Y;
-	const FORWARD_DIR:Planar64Vec3=Planar64Vec3::NEG_Z;
-
-	fn neo()->Self{
-		Self{
-			controls_used:!0,
-			controls_mask:!0,//&!(Self::CONTROL_MOVEUP|Self::CONTROL_MOVEDOWN),
-			strafe:Some(StrafeSettings{
-				enable:EnableStrafe::Always,
-				air_accel_limit:None,
-				tick_rate:Ratio64::new(64,Time::ONE_SECOND.nanos() as u64).unwrap(),
-			}),
-			jump_impulse:JumpImpulse::FromEnergy(Planar64::int(512)),
-			jump_calculation:JumpCalculation::Energy,
-			gravity:Planar64Vec3::int(0,-80,0),
-			static_friction:Planar64::int(2),
-			kinetic_friction:Planar64::int(3),//unrealistic: kinetic friction is typically lower than static
-			mass:Planar64::int(1),
-			mv:Planar64::int(3),
-			rocket_force:None,
-			walk_speed:Planar64::int(16),
-			walk_accel:Planar64::int(80),
-			ladder_speed:Planar64::int(16),
-			ladder_accel:Planar64::int(160),
-			ladder_dot:(Planar64::int(1)/2).sqrt(),
-			swim_speed:Planar64::int(12),
-			surf_slope:Some(Planar64::raw(7)/8),
-			hitbox:Hitbox::roblox(),
-			camera_offset:Planar64Vec3::int(0,2,0),//4.5-2.5=2
-		}
-	}
-
-	fn roblox_bhop()->Self{
-		Self{
-			controls_used:!0,
-			controls_mask:!0,//&!(Self::CONTROL_MOVEUP|Self::CONTROL_MOVEDOWN),
-			strafe:Some(StrafeSettings{
-				enable:EnableStrafe::Always,
-				air_accel_limit:None,
-				tick_rate:Ratio64::new(100,Time::ONE_SECOND.nanos() as u64).unwrap(),
-			}),
-			jump_impulse:JumpImpulse::FromTime(Time::from_micros(715_588)),
-			jump_calculation:JumpCalculation::Capped,
-			gravity:Planar64Vec3::int(0,-100,0),
-			static_friction:Planar64::int(2),
-			kinetic_friction:Planar64::int(3),//unrealistic: kinetic friction is typically lower than static
-			mass:Planar64::int(1),
-			mv:Planar64::int(27)/10,
-			rocket_force:None,
-			walk_speed:Planar64::int(18),
-			walk_accel:Planar64::int(90),
-			ladder_speed:Planar64::int(18),
-			ladder_accel:Planar64::int(180),
-			ladder_dot:(Planar64::int(1)/2).sqrt(),
-			swim_speed:Planar64::int(12),
-			surf_slope:Some(Planar64::raw(3787805118)),// normal.y=0.75
-			hitbox:Hitbox::roblox(),
-			camera_offset:Planar64Vec3::int(0,2,0),//4.5-2.5=2
-		}
-	}
-	fn roblox_surf()->Self{
-		Self{
-			controls_used:!0,
-			controls_mask:!0,//&!(Self::CONTROL_MOVEUP|Self::CONTROL_MOVEDOWN),
-			strafe:Some(StrafeSettings{
-				enable:EnableStrafe::Always,
-				air_accel_limit:None,
-				tick_rate:Ratio64::new(100,Time::ONE_SECOND.nanos() as u64).unwrap(),
-			}),
-			jump_impulse:JumpImpulse::FromTime(Time::from_micros(715_588)),
-			jump_calculation:JumpCalculation::Capped,
-			gravity:Planar64Vec3::int(0,-50,0),
-			static_friction:Planar64::int(2),
-			kinetic_friction:Planar64::int(3),//unrealistic: kinetic friction is typically lower than static
-			mass:Planar64::int(1),
-			mv:Planar64::int(27)/10,
-			rocket_force:None,
-			walk_speed:Planar64::int(18),
-			walk_accel:Planar64::int(90),
-			ladder_speed:Planar64::int(18),
-			ladder_accel:Planar64::int(180),
-			ladder_dot:(Planar64::int(1)/2).sqrt(),
-			swim_speed:Planar64::int(12),
-			surf_slope:Some(Planar64::raw(3787805118)),// normal.y=0.75
-			hitbox:Hitbox::roblox(),
-			camera_offset:Planar64Vec3::int(0,2,0),//4.5-2.5=2
-		}
-	}
-
-	fn source_bhop()->Self{
-		Self{
-			controls_used:!0,
-			controls_mask:!0,//&!(Self::CONTROL_MOVEUP|Self::CONTROL_MOVEDOWN),
-			strafe:Some(StrafeSettings{
-				enable:EnableStrafe::Always,
-				air_accel_limit:Some(Planar64::raw(150<<28)*100),
-				tick_rate:Ratio64::new(100,Time::ONE_SECOND.nanos() as u64).unwrap(),
-			}),
-			jump_impulse:JumpImpulse::FromHeight(Planar64::int(52)/VALVE_SCALE),
-			jump_calculation:JumpCalculation::Linear,
-			gravity:Planar64Vec3::int(0,-800,0)/VALVE_SCALE,
-			static_friction:Planar64::int(2),//?
-			kinetic_friction:Planar64::int(3),//?
-			mass:Planar64::int(1),
-			mv:Planar64::raw(30)/VALVE_SCALE,
-			rocket_force:None,
-			walk_speed:Planar64::int(18),//?
-			walk_accel:Planar64::int(90),//?
-			ladder_speed:Planar64::int(18),//?
-			ladder_accel:Planar64::int(180),//?
-			ladder_dot:(Planar64::int(1)/2).sqrt(),//?
-			swim_speed:Planar64::int(12),//?
-			surf_slope:Some(Planar64::raw(3787805118)),// normal.y=0.75
-			hitbox:Hitbox::source(),
-			camera_offset:(Planar64Vec3::int(0,64,0)-Planar64Vec3::int(0,73,0)/2)/VALVE_SCALE,
-		}
-	}
-	fn source_surf()->Self{
-		Self{
-			controls_used:!0,
-			controls_mask:!0,//&!(Self::CONTROL_MOVEUP|Self::CONTROL_MOVEDOWN),
-			strafe:Some(StrafeSettings{
-				enable:EnableStrafe::Always,
-				air_accel_limit:Some(Planar64::int(150)*66/VALVE_SCALE),
-				tick_rate:Ratio64::new(66,Time::ONE_SECOND.nanos() as u64).unwrap(),
-			}),
-			jump_impulse:JumpImpulse::FromHeight(Planar64::int(52)/VALVE_SCALE),
-			jump_calculation:JumpCalculation::Linear,
-			gravity:Planar64Vec3::int(0,-800,0)/VALVE_SCALE,
-			static_friction:Planar64::int(2),//?
-			kinetic_friction:Planar64::int(3),//?
-			mass:Planar64::int(1),
-			mv:Planar64::int(30)/VALVE_SCALE,
-			rocket_force:None,
-			walk_speed:Planar64::int(18),//?
-			walk_accel:Planar64::int(90),//?
-			ladder_speed:Planar64::int(18),//?
-			ladder_accel:Planar64::int(180),//?
-			ladder_dot:(Planar64::int(1)/2).sqrt(),//?
-			swim_speed:Planar64::int(12),//?
-			surf_slope:Some(Planar64::raw(3787805118)),// normal.y=0.75
-			hitbox:Hitbox::source(),
-			camera_offset:(Planar64Vec3::int(0,64,0)-Planar64Vec3::int(0,73,0)/2)/VALVE_SCALE,
-		}
-	}
-	fn roblox_rocket()->Self{
-		Self{
-			controls_used:!0,
-			controls_mask:!0,
-			strafe:None,
-			jump_impulse:JumpImpulse::FromTime(Time::from_micros(715_588)),
-			jump_calculation:JumpCalculation::Capped,
-			gravity:Planar64Vec3::int(0,-100,0),
-			static_friction:Planar64::int(2),
-			kinetic_friction:Planar64::int(3),//unrealistic: kinetic friction is typically lower than static
-			mass:Planar64::int(1),
-			mv:Planar64::int(27)/10,
-			rocket_force:Some(Planar64::int(200)),
-			walk_speed:Planar64::int(18),
-			walk_accel:Planar64::int(90),
-			ladder_speed:Planar64::int(18),
-			ladder_accel:Planar64::int(180),
-			ladder_dot:(Planar64::int(1)/2).sqrt(),
-			swim_speed:Planar64::int(12),
-			surf_slope:Some(Planar64::raw(3787805118)),// normal.y=0.75
-			hitbox:Hitbox::roblox(),
-			camera_offset:Planar64Vec3::int(0,2,0),//4.5-2.5=2
-		}
-	}
+#[derive(Clone,Debug)]
+pub enum JumpCalculation{
+	Max,//Roblox: jumped_speed=max(velocity.boost(),velocity.jump())
+	BoostThenJump,//jumped_speed=velocity.boost().jump()
+	JumpThenBoost,//jumped_speed=velocity.jump().boost()
 }
 
-enum JumpCalculation{
-	Capped,//roblox
-	Energy,//new
-	Linear,//source
-}
-
-enum JumpImpulse{
-	FromTime(Time),//jump time is invariant across mass and gravity changes
-	FromHeight(Planar64),//jump height is invariant across mass and gravity changes
-	FromDeltaV(Planar64),//jump velocity is invariant across mass and gravity changes
-	FromEnergy(Planar64),// :)
+#[derive(Clone,Debug)]
+pub enum JumpImpulse{
+	Time(Time),//jump time is invariant across mass and gravity changes
+	Height(Planar64),//jump height is invariant across mass and gravity changes
+	Linear(Planar64),//jump velocity is invariant across mass and gravity changes
+	Energy(Planar64),// :)
 }
 //Jumping acts on dot(walks_state.normal,body.velocity)
-//Capped means it increases the dot to the cap
 //Energy means it adds energy
 //Linear means it linearly adds on
+impl JumpImpulse{
+	pub fn jump(
+		&self,
+		velocity:Planar64Vec3,
+		jump_dir:Planar64Vec3,
+		gravity:&Planar64Vec3,
+		mass:Planar64,
+	)->Planar64Vec3{
+		match self{
+			&JumpImpulse::Time(time)=>velocity-(*gravity*time).map(|t|t.divide().fix_1()),
+			&JumpImpulse::Height(height)=>{
+				//height==-v.y*v.y/(2*g.y);
+				//use energy to determine max height
+				let gg=gravity.length_squared();
+				let g=gg.sqrt().fix_1();
+				let v_g=gravity.dot(velocity);
+				//do it backwards
+				let radicand=v_g*v_g+(g*height*2).fix_4();
+				velocity-(*gravity*(radicand.sqrt().fix_2()+v_g)/gg).divide().fix_1()
+			},
+			&JumpImpulse::Linear(jump_speed)=>velocity+(jump_dir*jump_speed/jump_dir.length()).divide().fix_1(),
+			&JumpImpulse::Energy(energy)=>{
+				//calculate energy
+				//let e=gravity.dot(velocity);
+				//add
+				//you get the idea
+				todo!()
+			},
+		}
+	}
+	//TODO: remove this and implement JumpCalculation properly
+	pub fn get_jump_deltav(&self,gravity:&Planar64Vec3,mass:Planar64)->Planar64{
+		//gravity.length() is actually the proper calculation because the jump is always opposite the gravity direction
+		match self{
+			&JumpImpulse::Time(time)=>(gravity.length().fix_1()*time/2).divide().fix_1(),
+			&JumpImpulse::Height(height)=>(gravity.length()*height*2).sqrt().fix_1(),
+			&JumpImpulse::Linear(deltav)=>deltav,
+			&JumpImpulse::Energy(energy)=>(energy.sqrt()*2/mass.sqrt()).divide().fix_1(),
+		}
+	}
+}
 
-enum EnableStrafe{
-	Always,
-	MaskAny(u32),//hsw, shsw
-	MaskAll(u32),
+#[derive(Clone,Debug)]
+pub struct JumpSettings{
+	//information used to calculate jump power
+	pub impulse:JumpImpulse,
+	//information used to calculate jump behaviour
+	pub calculation:JumpCalculation,
+	//limit the minimum jump power when combined with downwards momentum
+	//This is true in both roblox and source
+	pub limit_minimum:bool,
+}
+impl JumpSettings{
+	pub fn jumped_velocity(
+		&self,
+		style:&StyleModifiers,
+		jump_dir:Planar64Vec3,
+		rel_velocity:Planar64Vec3,
+		booster:Option<&crate::gameplay_attributes::Booster>,
+	)->Planar64Vec3{
+		let jump_speed=self.impulse.get_jump_deltav(&style.gravity,style.mass);
+		match (self.limit_minimum,&self.calculation){
+			(true,JumpCalculation::Max)=>{
+				//the roblox calculation
+				let boost_vel=match booster{
+					Some(booster)=>booster.boost(rel_velocity),
+					None=>rel_velocity,
+				};
+				let j=boost_vel.dot(jump_dir);
+				let js=jump_speed.fix_2();
+				if j<js{
+					//weak booster: just do a regular jump
+					boost_vel+jump_dir.with_length(js-j).divide().fix_1()
+				}else{
+					//activate booster normally, jump does nothing
+					boost_vel
+				}
+			},
+			(true,_)=>{
+				//the source calculation (?)
+				let boost_vel=match booster{
+					Some(booster)=>booster.boost(rel_velocity),
+					None=>rel_velocity,
+				};
+				let j=boost_vel.dot(jump_dir);
+				let js=jump_speed.fix_2();
+				if j<js{
+					//speed in direction of jump cannot be lower than amount
+					boost_vel+jump_dir.with_length(js-j).divide().fix_1()
+				}else{
+					//boost and jump add together
+					boost_vel+jump_dir.with_length(js).divide().fix_1()
+				}
+			}
+			(false,JumpCalculation::Max)=>{
+				//??? calculation
+				//max(boost_vel,jump_vel)
+				let boost_vel=match booster{
+					Some(booster)=>booster.boost(rel_velocity),
+					None=>rel_velocity,
+				};
+				let boost_dot=boost_vel.dot(jump_dir);
+				let js=jump_speed.fix_2();
+				if boost_dot<js{
+					//weak boost is extended to jump speed
+					boost_vel+jump_dir.with_length(js-boost_dot).divide().fix_1()
+				}else{
+					//activate booster normally, jump does nothing
+					boost_vel
+				}
+			},
+			//the strafe client calculation
+			(false,_)=>{
+				let boost_vel=match booster{
+					Some(booster)=>booster.boost(rel_velocity),
+					None=>rel_velocity,
+				};
+				boost_vel+jump_dir.with_length(jump_speed).divide().fix_1()
+			},
+		}
+	}
+}
+
+#[derive(Clone,Debug)]
+pub struct ControlsActivation{
+	//allowed keys
+	pub controls_mask:Controls,
+	//allow strafing only if any of the masked controls are held, eg W|S for shsw
+	pub controls_intersects:Controls,
+	//allow strafing only if all of the masked controls are held, eg W for hsw, w-only
+	pub controls_contains:Controls,
 	//Function(Box<dyn Fn(u32)->bool>),
 }
-
-struct StrafeSettings{
-	enable:EnableStrafe,
-	air_accel_limit:Option<Planar64>,
-	tick_rate:Ratio64,
+impl ControlsActivation{
+	pub const fn mask(&self,controls:Controls)->Controls{
+		controls.intersection(self.controls_mask)
+	}
+	pub const fn activates(&self,controls:Controls)->bool{
+		(self.controls_intersects.is_empty()||controls.intersects(self.controls_intersects))
+		&&controls.contains(self.controls_contains)
+	}
+	pub const fn full_3d()->Self{
+		Self{
+			controls_mask:Controls::wasdqe(),
+			controls_intersects:Controls::wasdqe(),
+			controls_contains:Controls::empty(),
+		}
+	}
+	//classical styles
+	//Normal
+	pub const fn full_2d()->Self{
+		Self{
+			controls_mask:Controls::wasd(),
+			controls_intersects:Controls::wasd(),
+			controls_contains:Controls::empty(),
+		}
+	}
+	//Sideways
+	pub const fn sideways()->Self{
+		Self{
+			controls_mask:Controls::MoveForward.union(Controls::MoveBackward),
+			controls_intersects:Controls::MoveForward.union(Controls::MoveBackward),
+			controls_contains:Controls::empty(),
+		}
+	}
+	//Half-Sideways
+	pub const fn half_sideways()->Self{
+		Self{
+			controls_mask:Controls::MoveForward.union(Controls::MoveLeft).union(Controls::MoveRight),
+			controls_intersects:Controls::MoveLeft.union(Controls::MoveRight),
+			controls_contains:Controls::MoveForward,
+		}
+	}
+	//Surf Half-Sideways
+	pub const fn surf_half_sideways()->Self{
+		Self{
+			controls_mask:Controls::MoveForward.union(Controls::MoveBackward).union(Controls::MoveLeft).union(Controls::MoveRight),
+			controls_intersects:Controls::MoveForward.union(Controls::MoveBackward),
+			controls_contains:Controls::empty(),
+		}
+	}
+	//W-Only
+	pub const fn w_only()->Self{
+		Self{
+			controls_mask:Controls::MoveForward,
+			controls_intersects:Controls::empty(),
+			controls_contains:Controls::MoveForward,
+		}
+	}
+	//A-Only
+	pub const fn a_only()->Self{
+		Self{
+			controls_mask:Controls::MoveLeft,
+			controls_intersects:Controls::empty(),
+			controls_contains:Controls::MoveLeft,
+		}
+	}
+	//Backwards
 }
 
-enum HitboxMesh{
+#[derive(Clone,Debug)]
+pub struct StrafeSettings{
+	pub enable:ControlsActivation,
+	pub mv:Planar64,
+	pub air_accel_limit:Option<Planar64>,
+	pub tick_rate:Ratio64,
+}
+impl StrafeSettings{
+	pub fn tick_velocity(&self,velocity:Planar64Vec3,control_dir:Planar64Vec3)->Option<Planar64Vec3>{
+		let d=velocity.dot(control_dir);
+		let mv=self.mv.fix_2();
+		match d<mv{
+			true=>Some(velocity+(control_dir*self.air_accel_limit.map_or(mv-d,|limit|limit.fix_2().min(mv-d))).fix_1()),
+			false=>None,
+		}
+	}
+	pub fn next_tick(&self,time:Time)->Time{
+		Time::from_nanos(self.tick_rate.rhs_div_int(self.tick_rate.mul_int(time.nanos())+1))
+	}
+	pub const fn activates(&self,controls:Controls)->bool{
+		self.enable.activates(controls)
+	}
+	pub const fn mask(&self,controls:Controls)->Controls{
+		self.enable.mask(controls)
+	}
+}
+
+#[derive(Clone,Debug)]
+pub struct PropulsionSettings{
+	pub magnitude:Planar64,
+}
+impl PropulsionSettings{
+	pub fn acceleration(&self,control_dir:Planar64Vec3)->Planar64Vec3{
+		(control_dir*self.magnitude).fix_1()
+	}
+}
+
+#[derive(Clone,Debug)]
+pub struct AccelerateSettings{
+	pub accel:Planar64,
+	pub topspeed:Planar64,
+}
+#[derive(Clone,Debug)]
+pub struct WalkSettings{
+	pub accelerate:AccelerateSettings,
+	pub static_friction:Planar64,
+	pub kinetic_friction:Planar64,
+	//if a surf slope angle does not exist, then everything is slippery and walking is impossible
+	pub surf_dot:Planar64,//surf_dot<n.dot(up)/n.length()
+}
+impl WalkSettings{
+	pub fn accel(&self,target_diff:Planar64Vec3,gravity:Planar64Vec3)->Planar64{
+		//TODO: fallible walk accel
+		let diff_len=target_diff.length().fix_1();
+		let friction=if diff_len<self.accelerate.topspeed{
+			self.static_friction
+		}else{
+			self.kinetic_friction
+		};
+		self.accelerate.accel.min((-gravity.y*friction).fix_1())
+	}
+	pub fn get_walk_target_velocity(&self,control_dir:Planar64Vec3,normal:Planar64Vec3)->Planar64Vec3{
+		if control_dir==crate::integer::vec3::ZERO{
+			return control_dir;
+		}
+		let nn=normal.length_squared();
+		let mm=control_dir.length_squared();
+		let nnmm=nn*mm;
+		let d=normal.dot(control_dir);
+		let dd=d*d;
+		if dd<nnmm{
+			let cr=normal.cross(control_dir);
+			if cr==crate::integer::vec3::ZERO_2{
+				crate::integer::vec3::ZERO
+			}else{
+				(cr.cross(normal)*self.accelerate.topspeed/((nn*(nnmm-dd)).sqrt())).divide().fix_1()
+			}
+		}else{
+			crate::integer::vec3::ZERO
+		}
+	}
+	pub fn is_slope_walkable(&self,normal:Planar64Vec3,up:Planar64Vec3)->bool{
+		//normal is not guaranteed to be unit length
+		let ny=normal.dot(up);
+		let h=normal.length().fix_1();
+		//remember this is a normal vector
+		ny.is_positive()&&h*self.surf_dot<ny
+	}
+}
+
+#[derive(Clone,Debug)]
+pub struct LadderSettings{
+	pub accelerate:AccelerateSettings,
+	//how close to pushing directly into/out of the ladder normal
+	//does your input need to be to redirect straight up/down the ladder
+	pub dot:Planar64,
+}
+impl LadderSettings{
+	pub const fn accel(&self,target_diff:Planar64Vec3,gravity:Planar64Vec3)->Planar64{
+		//TODO: fallible ladder accel
+		self.accelerate.accel
+	}
+	pub fn get_ladder_target_velocity(&self,mut control_dir:Planar64Vec3,normal:Planar64Vec3)->Planar64Vec3{
+		if control_dir==crate::integer::vec3::ZERO{
+			return control_dir;
+		}
+		let nn=normal.length_squared();
+		let mm=control_dir.length_squared();
+		let nnmm=nn*mm;
+		let d=normal.dot(control_dir);
+		let mut dd=d*d;
+		if (self.dot*self.dot*nnmm).fix_4()<dd{
+			if d.is_negative(){
+				control_dir=Planar64Vec3::new([Planar64::ZERO,mm.fix_1(),Planar64::ZERO]);
+			}else{
+				control_dir=Planar64Vec3::new([Planar64::ZERO,-mm.fix_1(),Planar64::ZERO]);
+			}
+			dd=(normal.y*normal.y).fix_4();
+		}
+		//n=d if you are standing on top of a ladder and press E.
+		//two fixes:
+		//- ladder movement is not allowed on walkable surfaces
+		//- fix the underlying issue
+		if dd<nnmm{
+			let cr=normal.cross(control_dir);
+			if cr==crate::integer::vec3::ZERO_2{
+				crate::integer::vec3::ZERO
+			}else{
+				(cr.cross(normal)*self.accelerate.topspeed/((nn*(nnmm-dd)).sqrt())).divide().fix_1()
+			}
+		}else{
+			crate::integer::vec3::ZERO
+		}
+	}
+}
+
+#[derive(Clone,Debug)]
+pub enum HitboxMesh{
 	Box,//source
 	Cylinder,//roblox
 	//Sphere,//roblox old physics
@@ -250,21 +402,210 @@ enum HitboxMesh{
 	//DualCone,
 }
 
-struct Hitbox{
-	halfsize:Planar64Vec3,
-	mesh:HitboxMesh,
+#[derive(Clone,Debug)]
+pub struct Hitbox{
+	pub halfsize:Planar64Vec3,
+	pub mesh:HitboxMesh,
 }
 impl Hitbox{
-	fn roblox()->Self{
+	pub fn roblox()->Self{
 		Self{
-			halfsize:Planar64Vec3::int(2,5,2)/2,
+			halfsize:int3(2,5,2)>>1,
 			mesh:HitboxMesh::Cylinder,
 		}
 	}
-	fn source()->Self{
+	pub fn source()->Self{
 		Self{
-			halfsize:Planar64Vec3::raw(33,73,33)/2/VALVE_SCALE,
+			halfsize:((int3(33,73,33)>>1)*VALVE_SCALE).fix_1(),
 			mesh:HitboxMesh::Box,
 		}
 	}
 }
+
+impl StyleModifiers{
+	pub const RIGHT_DIR:Planar64Vec3=crate::integer::vec3::X;
+	pub const UP_DIR:Planar64Vec3=crate::integer::vec3::Y;
+	pub const FORWARD_DIR:Planar64Vec3=crate::integer::vec3::NEG_Z;
+
+	pub fn neo()->Self{
+		Self{
+			controls_mask:Controls::all(),
+			controls_mask_state:Controls::all(),
+			strafe:Some(StrafeSettings{
+				enable:ControlsActivation::full_2d(),
+				air_accel_limit:None,
+				mv:int(3),
+				tick_rate:Ratio64::new(64,Time::ONE_SECOND.nanos() as u64).unwrap(),
+			}),
+			jump:Some(JumpSettings{
+				impulse:JumpImpulse::Energy(int(512)),
+				calculation:JumpCalculation::JumpThenBoost,
+				limit_minimum:false,
+			}),
+			gravity:int3(0,-80,0),
+			mass:int(1),
+			rocket:None,
+			walk:Some(WalkSettings{
+				accelerate:AccelerateSettings{
+					topspeed:int(16),
+					accel:int(80),
+				},
+				static_friction:int(2),
+				kinetic_friction:int(3),//unrealistic: kinetic friction is typically lower than static
+				surf_dot:int(3)/4,
+			}),
+			ladder:Some(LadderSettings{
+				accelerate:AccelerateSettings{
+					topspeed:int(16),
+					accel:int(160),
+				},
+				dot:(int(1)/2).sqrt(),
+			}),
+			swim:Some(PropulsionSettings{
+				magnitude:int(12),
+			}),
+			hitbox:Hitbox::roblox(),
+			camera_offset:int3(0,2,0),//4.5-2.5=2
+		}
+	}
+
+	pub fn roblox_bhop()->Self{
+		Self{
+			controls_mask:Controls::all(),
+			controls_mask_state:Controls::all(),
+			strafe:Some(StrafeSettings{
+				enable:ControlsActivation::full_2d(),
+				air_accel_limit:None,
+				mv:int(27)/10,
+				tick_rate:Ratio64::new(100,Time::ONE_SECOND.nanos() as u64).unwrap(),
+			}),
+			jump:Some(JumpSettings{
+				impulse:JumpImpulse::Time(Time::from_micros(715_588)),
+				calculation:JumpCalculation::Max,
+				limit_minimum:true,
+			}),
+			gravity:int3(0,-100,0),
+			mass:int(1),
+			rocket:None,
+			walk:Some(WalkSettings{
+				accelerate:AccelerateSettings{
+					topspeed:int(18),
+					accel:int(90),
+				},
+				static_friction:int(2),
+				kinetic_friction:int(3),//unrealistic: kinetic friction is typically lower than static
+				surf_dot:int(3)/4,// normal.y=0.75
+			}),
+			ladder:Some(LadderSettings{
+				accelerate:AccelerateSettings{
+					topspeed:int(18),
+					accel:int(180),
+				},
+				dot:(int(1)/2).sqrt(),
+			}),
+			swim:Some(PropulsionSettings{
+				magnitude:int(12),
+			}),
+			hitbox:Hitbox::roblox(),
+			camera_offset:int3(0,2,0),//4.5-2.5=2
+		}
+	}
+	pub fn roblox_surf()->Self{
+		Self{
+			gravity:int3(0,-50,0),
+			..Self::roblox_bhop()
+		}
+	}
+	pub fn roblox_rocket()->Self{
+		Self{
+			strafe:None,
+			rocket:Some(PropulsionSettings{
+				magnitude:int(200),
+			}),
+			..Self::roblox_bhop()
+		}
+	}
+
+	pub fn source_bhop()->Self{
+		Self{
+			controls_mask:Controls::all()-Controls::MoveUp-Controls::MoveDown,
+			controls_mask_state:Controls::all(),
+			strafe:Some(StrafeSettings{
+				enable:ControlsActivation::full_2d(),
+				air_accel_limit:Some(Planar64::raw(150<<28)*100),
+				mv:(Planar64::raw(30)*VALVE_SCALE).fix_1(),
+				tick_rate:Ratio64::new(100,Time::ONE_SECOND.nanos() as u64).unwrap(),
+			}),
+			jump:Some(JumpSettings{
+				impulse:JumpImpulse::Height((int(52)*VALVE_SCALE).fix_1()),
+				calculation:JumpCalculation::JumpThenBoost,
+				limit_minimum:true,
+			}),
+			gravity:(int3(0,-800,0)*VALVE_SCALE).fix_1(),
+			mass:int(1),
+			rocket:None,
+			walk:Some(WalkSettings{
+				accelerate:AccelerateSettings{
+					topspeed:int(18),//?
+					accel:int(90),//?
+				},
+				static_friction:int(2),//?
+				kinetic_friction:int(3),//?
+				surf_dot:int(3)/4,// normal.y=0.75
+			}),
+			ladder:Some(LadderSettings{
+				accelerate:AccelerateSettings{
+					topspeed:int(18),//?
+					accel:int(180),//?
+				},
+				dot:(int(1)/2).sqrt(),//?
+			}),
+			swim:Some(PropulsionSettings{
+				magnitude:int(12),//?
+			}),
+			hitbox:Hitbox::source(),
+			camera_offset:((int3(0,64,0)-(int3(0,73,0)>>1))*VALVE_SCALE).fix_1(),
+		}
+	}
+	pub fn source_surf()->Self{
+		Self{
+			controls_mask:Controls::all()-Controls::MoveUp-Controls::MoveDown,
+			controls_mask_state:Controls::all(),
+			strafe:Some(StrafeSettings{
+				enable:ControlsActivation::full_2d(),
+				air_accel_limit:Some((int(150)*66*VALVE_SCALE).fix_1()),
+				mv:(int(30)*VALVE_SCALE).fix_1(),
+				tick_rate:Ratio64::new(66,Time::ONE_SECOND.nanos() as u64).unwrap(),
+			}),
+			jump:Some(JumpSettings{
+				impulse:JumpImpulse::Height((int(52)*VALVE_SCALE).fix_1()),
+				calculation:JumpCalculation::JumpThenBoost,
+				limit_minimum:true,
+			}),
+			gravity:(int3(0,-800,0)*VALVE_SCALE).fix_1(),
+			mass:int(1),
+			rocket:None,
+			walk:Some(WalkSettings{
+				accelerate:AccelerateSettings{
+					topspeed:int(18),//?
+					accel:int(90),//?
+				},
+				static_friction:int(2),//?
+				kinetic_friction:int(3),//?
+				surf_dot:int(3)/4,// normal.y=0.75
+			}),
+			ladder:Some(LadderSettings{
+				accelerate:AccelerateSettings{
+					topspeed:int(18),//?
+					accel:int(180),//?
+				},
+				dot:(int(1)/2).sqrt(),//?
+			}),
+			swim:Some(PropulsionSettings{
+				magnitude:int(12),//?
+			}),
+			hitbox:Hitbox::source(),
+			camera_offset:((int3(0,64,0)-(int3(0,73,0)>>1))*VALVE_SCALE).fix_1(),
+		}
+	}
+}

src/instruction.rs

@@ -19,14 +19,14 @@ pub struct InstructionCollector<I>{
 	instruction:Option<I>,
 }
 impl<I> InstructionCollector<I>{
-	pub fn new(time:Time)->Self{
+	pub const fn new(time:Time)->Self{
 		Self{
 			time,
 			instruction:None
 		}
 	}
 	#[inline]
-	pub fn time(&self)->Time{
+	pub const fn time(&self)->Time{
 		self.time
 	}
 	pub fn collect(&mut self,instruction:Option<TimedInstruction<I>>){
@@ -50,4 +50,4 @@ impl<I> InstructionCollector<I>{
 			None=>None,
 		}
 	}
-}
+}

src/lib.rs

@@ -1,9 +1,15 @@
 pub mod bvh;
+pub mod map;
+pub mod run;
 pub mod aabb;
 pub mod model;
-pub mod zeroes;
+pub mod mouse;
+pub mod timer;
 pub mod integer;
+pub mod physics;
+pub mod updatable;
 pub mod instruction;
+pub mod gameplay_attributes;
 pub mod gameplay_modes;
 pub mod gameplay_style;
-pub mod gameplay_attributes;
+pub mod controls_bitflag;

src/map.rs

@@ -0,0 +1,14 @@
+use crate::model;
+use crate::gameplay_modes;
+use crate::gameplay_attributes;
+//this is a temporary struct to try to get the code running again
+//TODO: use snf::map::Region to update the data in physics and graphics instead of this
+pub struct CompleteMap{
+	pub modes:gameplay_modes::Modes,
+	pub attributes:Vec<gameplay_attributes::CollisionAttributes>,
+	pub meshes:Vec<model::Mesh>,
+	pub models:Vec<model::Model>,
+	//RenderPattern
+	pub textures:Vec<Vec<u8>>,
+	pub render_configs:Vec<model::RenderConfig>,
+}

src/model.rs

@@ -3,51 +3,130 @@ use crate::gameplay_attributes;
 
 pub type TextureCoordinate=glam::Vec2;
 pub type Color4=glam::Vec4;
+#[derive(Clone,Copy,Hash,id::Id,PartialEq,Eq)]
+pub struct PositionId(u32);
+#[derive(Clone,Copy,Hash,id::Id,PartialEq,Eq)]
+pub struct TextureCoordinateId(u32);
+#[derive(Clone,Copy,Hash,id::Id,PartialEq,Eq)]
+pub struct NormalId(u32);
+#[derive(Clone,Copy,Hash,id::Id,PartialEq,Eq)]
+pub struct ColorId(u32);
 #[derive(Clone,Hash,PartialEq,Eq)]
 pub struct IndexedVertex{
-	pub pos:u32,
-	pub tex:u32,
-	pub normal:u32,
-	pub color:u32,
+	pub pos:PositionId,
+	pub tex:TextureCoordinateId,
+	pub normal:NormalId,
+	pub color:ColorId,
 }
+#[derive(Clone,Copy,Hash,id::Id,PartialEq,Eq)]
 pub struct VertexId(u32);
-pub struct IndexedVertexList{
-	pub vertices:Vec<VertexId>,
+pub type IndexedVertexList=Vec<VertexId>;
+pub trait PolygonIter{
+	fn polys(&self)->impl Iterator<Item=&[VertexId]>;
 }
-pub struct GroupId(u32);
-pub enum IndexedGroup{
-	PolygonList(Vec<IndexedVertexList>),
-	//TriangleStrip(Vec<IndexedVertexList>),
+pub trait MapVertexId{
+	fn map_vertex_id<F:Fn(VertexId)->VertexId>(self,f:F)->Self;
 }
-pub struct RenderId(u32);
+#[derive(Clone)]
+pub struct PolygonList(Vec<IndexedVertexList>);
+impl PolygonList{
+	pub const fn new(list:Vec<IndexedVertexList>)->Self{
+		Self(list)
+	}
+	pub fn extend<T:IntoIterator<Item=IndexedVertexList>>(&mut self,iter:T){
+		self.0.extend(iter);
+	}
+}
+impl PolygonIter for PolygonList{
+	fn polys(&self)->impl Iterator<Item=&[VertexId]>{
+		self.0.iter().map(|poly|poly.as_slice())
+	}
+}
+impl MapVertexId for PolygonList{
+	fn map_vertex_id<F:Fn(VertexId)->VertexId>(self,f:F)->Self{
+		Self(self.0.into_iter().map(|ivl|ivl.into_iter().map(&f).collect()).collect())
+	}
+}
+// pub struct TriangleStrip(IndexedVertexList);
+// impl PolygonIter for TriangleStrip{
+// 	fn polys(&self)->impl Iterator<Item=&[VertexId]>{
+// 		self.0.vertices.windows(3).enumerate().map(|(i,s)|if i&0!=0{return s.iter().rev()}else{return s.iter()})
+// 	}
+// }
+#[derive(Clone,Copy,Hash,id::Id,PartialEq,Eq)]
+pub struct PolygonGroupId(u32);
+#[derive(Clone)]
+pub enum PolygonGroup{
+	PolygonList(PolygonList),
+	//TriangleStrip(TriangleStrip),
+}
+impl PolygonIter for PolygonGroup{
+	fn polys(&self)->impl Iterator<Item=&[VertexId]>{
+		match self{
+			PolygonGroup::PolygonList(list)=>list.polys(),
+			//PolygonGroup::TriangleStrip(strip)=>strip.polys(),
+		}
+	}
+}
+impl MapVertexId for PolygonGroup{
+	fn map_vertex_id<F:Fn(VertexId)->VertexId>(self,f:F)->Self{
+		match self{
+			PolygonGroup::PolygonList(polys)=>Self::PolygonList(polys.map_vertex_id(f)),
+		}
+	}
+}
+/// Ah yes, a group of things to render at the same time
+#[derive(Clone,Copy,Debug,Hash,id::Id,Eq,PartialEq)]
+pub struct TextureId(u32);
+#[derive(Clone,Copy,Hash,id::Id,Eq,PartialEq)]
+pub struct RenderConfigId(u32);
+#[derive(Clone,Copy,Default)]
+pub struct RenderConfig{
+	pub texture:Option<TextureId>,
+}
+impl RenderConfig{
+	pub const fn texture(texture:TextureId)->Self{
+		Self{
+			texture:Some(texture),
+		}
+	}
+}
+#[derive(Clone)]
 pub struct IndexedGraphicsGroup{
 	//Render pattern material/texture/shader/flat color
-	pub render:RenderId,
-	pub groups:Vec<GroupId>,
+	pub render:RenderConfigId,
+	pub groups:Vec<PolygonGroupId>,
 }
+#[derive(Clone,Default)]
 pub struct IndexedPhysicsGroup{
 	//the polygons in this group are guaranteed to make a closed convex shape
-	pub groups:Vec<GroupId>,
+	pub groups:Vec<PolygonGroupId>,
 }
 //This is a superset of PhysicsModel and GraphicsModel
-pub struct IndexedModel{
+#[derive(Clone,Copy,Debug,Hash,id::Id,Eq,PartialEq)]
+pub struct MeshId(u32);
+#[derive(Clone)]
+pub struct Mesh{
 	pub unique_pos:Vec<Planar64Vec3>,//Unit32Vec3
 	pub unique_normal:Vec<Planar64Vec3>,//Unit32Vec3
 	pub unique_tex:Vec<TextureCoordinate>,
 	pub unique_color:Vec<Color4>,
 	pub unique_vertices:Vec<IndexedVertex>,
-	//groups are constant texture AND convexity slices
-	pub groups:Vec<IndexedGroup>,
+	//polygon groups are constant texture AND convexity slices
+	//note that this may need to be changed to be a list of individual faces
+	//for submeshes to work since face ids need to be consistent across submeshes
+	//so face == polygon_groups[face_id]
+	pub polygon_groups:Vec<PolygonGroup>,
 	//graphics indexed (by texture)
-	pub graphics_sets:Vec<IndexedGraphicsGroup>,
+	pub graphics_groups:Vec<IndexedGraphicsGroup>,
 	//physics indexed (by convexity)
-	pub physics_sets:Vec<IndexedPhysicsGroup>,
+	pub physics_groups:Vec<IndexedPhysicsGroup>,
 }
 
-#[derive(Clone,Copy,Hash,Eq,PartialEq)]
+#[derive(Debug,Clone,Copy,Hash,id::Id,Eq,PartialEq)]
 pub struct ModelId(u32);
 pub struct Model{
-	pub model:ModelId,
+	pub mesh:MeshId,
 	pub attributes:gameplay_attributes::CollisionAttributesId,
 	pub color:Color4,//transparency is in here
 	pub transform:Planar64Affine3,

src/mouse.rs

@@ -0,0 +1,26 @@
+use crate::integer::Time;
+
+#[derive(Clone,Debug)]
+pub struct MouseState{
+	pub pos:glam::IVec2,
+	pub time:Time,
+}
+impl Default for MouseState{
+	fn default()->Self{
+		Self{
+			time:Time::ZERO,
+			pos:glam::IVec2::ZERO,
+		}
+	}
+}
+impl MouseState{
+	pub fn lerp(&self,target:&MouseState,time:Time)->glam::IVec2{
+		let m0=self.pos.as_i64vec2();
+		let m1=target.pos.as_i64vec2();
+		//these are deltas
+		let t1t=(target.time-time).nanos();
+		let tt0=(time-self.time).nanos();
+		let dt=(target.time-self.time).nanos();
+		((m0*t1t+m1*tt0)/dt).as_ivec2()
+	}
+}

src/physics.rs

@@ -0,0 +1,27 @@
+#[derive(Clone,Debug)]
+pub enum Instruction{
+	ReplaceMouse(crate::mouse::MouseState,crate::mouse::MouseState),
+	SetNextMouse(crate::mouse::MouseState),
+	SetMoveRight(bool),
+	SetMoveUp(bool),
+	SetMoveBack(bool),
+	SetMoveLeft(bool),
+	SetMoveDown(bool),
+	SetMoveForward(bool),
+	SetJump(bool),
+	SetZoom(bool),
+	/// Reset: fully replace the physics state.
+	/// This forgets all inputs and settings which need to be reapplied.
+	Reset,
+	/// Restart: Teleport to the start zone.
+	Restart,
+	/// Spawn: Teleport to a specific mode's spawn
+	/// Sets current mode & spawn
+	Spawn(crate::gameplay_modes::ModeId,crate::gameplay_modes::StageId),
+	Idle,
+		//Idle: there were no input events, but the simulation is safe to advance to this timestep
+		//for interpolation / networking / playback reasons, most playback heads will always want
+		//to be 1 instruction ahead to generate the next state for interpolation.
+	PracticeFly,
+	SetSensitivity(crate::integer::Ratio64Vec2),
+}

src/run.rs

@@ -0,0 +1,103 @@
+use crate::timer::{TimerFixed,Realtime,Paused,Unpaused};
+use crate::integer::Time;
+
+#[derive(Clone,Copy,Debug)]
+pub enum FlagReason{
+	Anticheat,
+	StyleChange,
+	Clock,
+	Pause,
+	Flying,
+	Gravity,
+	Timescale,
+	TimeTravel,
+	Teleport,
+}
+impl ToString for FlagReason{
+	fn to_string(&self)->String{
+		match self{
+			FlagReason::Anticheat=>"Passed through anticheat zone.",
+			FlagReason::StyleChange=>"Changed style.",
+			FlagReason::Clock=>"Incorrect clock.  (This can be caused by internet hiccups)",
+			FlagReason::Pause=>"Pausing is not allowed in this style.",
+			FlagReason::Flying=>"Flying is not allowed in this style.",
+			FlagReason::Gravity=>"Gravity modification is not allowed in this style.",
+			FlagReason::Timescale=>"Timescale is not allowed in this style.",
+			FlagReason::TimeTravel=>"Time travel is not allowed in this style.",
+			FlagReason::Teleport=>"Illegal teleport.",
+		}.to_owned()
+	}
+}
+
+#[derive(Debug)]
+pub enum Error{
+	NotStarted,
+	AlreadyStarted,
+	AlreadyFinished,
+}
+impl std::fmt::Display for Error{
+	fn fmt(&self,f:&mut std::fmt::Formatter<'_>)->std::fmt::Result{
+		write!(f,"{self:?}")
+	}
+}
+impl std::error::Error for Error{}
+
+#[derive(Clone,Copy,Debug)]
+enum RunState{
+	Created,
+	Started{timer:TimerFixed<Realtime,Unpaused>},
+	Finished{timer:TimerFixed<Realtime,Paused>},
+}
+
+#[derive(Clone,Copy,Debug)]
+pub struct Run{
+	state:RunState,
+	flagged:Option<FlagReason>,
+}
+
+impl Run{
+	pub fn new()->Self{
+		Self{
+			state:RunState::Created,
+			flagged:None,
+		}
+	}
+	pub fn time(&self,time:Time)->Time{
+		match &self.state{
+			RunState::Created=>Time::ZERO,
+			RunState::Started{timer}=>timer.time(time),
+			RunState::Finished{timer}=>timer.time(time),
+		}
+	}
+	pub fn start(&mut self,time:Time)->Result<(),Error>{
+		match &self.state{
+			RunState::Created=>{
+				self.state=RunState::Started{
+					timer:TimerFixed::new(time,Time::ZERO),
+				};
+				Ok(())
+			},
+			RunState::Started{..}=>Err(Error::AlreadyStarted),
+			RunState::Finished{..}=>Err(Error::AlreadyFinished),
+		}
+	}
+	pub fn finish(&mut self,time:Time)->Result<(),Error>{
+		//this uses Copy
+		match &self.state{
+			RunState::Created=>Err(Error::NotStarted),
+			RunState::Started{timer}=>{
+				self.state=RunState::Finished{
+					timer:timer.into_paused(time),
+				};
+				Ok(())
+			},
+			RunState::Finished{..}=>Err(Error::AlreadyFinished),
+		}
+	}
+	pub fn flag(&mut self,flag_reason:FlagReason){
+		//don't replace the first reason the run was flagged
+		if self.flagged.is_none(){
+			self.flagged=Some(flag_reason);
+		}
+	}
+}

src/timer.rs

@@ -0,0 +1,319 @@
+use crate::integer::{Time,Ratio64};
+
+#[derive(Clone,Copy,Debug)]
+pub struct Paused;
+#[derive(Clone,Copy,Debug)]
+pub struct Unpaused;
+
+pub trait PauseState:Copy+std::fmt::Debug{
+	const IS_PAUSED:bool;
+	fn new()->Self;
+}
+impl PauseState for Paused{
+	const IS_PAUSED:bool=true;
+	fn new()->Self{
+		Self
+	}
+}
+impl PauseState for Unpaused{
+	const IS_PAUSED:bool=false;
+	fn new()->Self{
+		Self
+	}
+}
+
+#[derive(Clone,Copy,Debug)]
+pub struct Realtime{
+	offset:Time,
+}
+impl Realtime{
+	pub const fn new(offset:Time)->Self{
+		Self{offset}
+	}
+}
+
+#[derive(Clone,Copy,Debug)]
+pub struct Scaled{
+	scale:Ratio64,
+	offset:Time,
+}
+impl Scaled{
+	pub const fn new(scale:Ratio64,offset:Time)->Self{
+		Self{scale,offset}
+	}
+	const fn with_scale(scale:Ratio64)->Self{
+		Self{scale,offset:Time::ZERO}
+	}
+	const fn scale(&self,time:Time)->Time{
+		Time::raw(self.scale.mul_int(time.get()))
+	}
+	const fn get_scale(&self)->Ratio64{
+		self.scale
+	}
+	fn set_scale(&mut self,time:Time,new_scale:Ratio64){
+		let new_time=self.get_time(time);
+		self.scale=new_scale;
+		self.set_time(time,new_time);
+	}
+}
+
+pub trait TimerState:Copy+std::fmt::Debug{
+	fn identity()->Self;
+	fn get_time(&self,time:Time)->Time;
+	fn set_time(&mut self,time:Time,new_time:Time);
+	fn get_offset(&self)->Time;
+	fn set_offset(&mut self,offset:Time);
+}
+impl TimerState for Realtime{
+	fn identity()->Self{
+		Self{offset:Time::ZERO}
+	}
+	fn get_time(&self,time:Time)->Time{
+		time+self.offset
+	}
+	fn set_time(&mut self,time:Time,new_time:Time){
+		self.offset=new_time-time;
+	}
+	fn get_offset(&self)->Time{
+		self.offset
+	}
+	fn set_offset(&mut self,offset:Time){
+		self.offset=offset;
+	}
+}
+impl TimerState for Scaled{
+	fn identity()->Self{
+		Self{scale:Ratio64::ONE,offset:Time::ZERO}
+	}
+	fn get_time(&self,time:Time)->Time{
+		self.scale(time)+self.offset
+	}
+	fn set_time(&mut self,time:Time,new_time:Time){
+		self.offset=new_time-self.scale(time);
+	}
+	fn get_offset(&self)->Time{
+		self.offset
+	}
+	fn set_offset(&mut self,offset:Time){
+		self.offset=offset;
+	}
+}
+
+#[derive(Clone,Copy,Debug)]
+pub struct TimerFixed<T:TimerState,P:PauseState>{
+	state:T,
+	_paused:P,
+}
+
+//scaled timer methods are generic across PauseState
+impl<P:PauseState> TimerFixed<Scaled,P>{
+	pub fn scaled(time:Time,new_time:Time,scale:Ratio64)->Self{
+		let mut timer=Self{
+			state:Scaled::with_scale(scale),
+			_paused:P::new(),
+		};
+		timer.set_time(time,new_time);
+		timer
+	}
+	pub const fn get_scale(&self)->Ratio64{
+		self.state.get_scale()
+	}
+	pub fn set_scale(&mut self,time:Time,new_scale:Ratio64){
+		self.state.set_scale(time,new_scale)
+	}
+}
+
+//pause and unpause is generic across TimerState
+impl<T:TimerState> TimerFixed<T,Paused>{
+	pub fn into_unpaused(self,time:Time)->TimerFixed<T,Unpaused>{
+		let new_time=self.time(time);
+		let mut timer=TimerFixed{
+			state:self.state,
+			_paused:Unpaused,
+		};
+		timer.set_time(time,new_time);
+		timer
+	}
+}
+impl<T:TimerState> TimerFixed<T,Unpaused>{
+	pub fn into_paused(self,time:Time)->TimerFixed<T,Paused>{
+		let new_time=self.time(time);
+		let mut timer=TimerFixed{
+			state:self.state,
+			_paused:Paused,
+		};
+		timer.set_time(time,new_time);
+		timer
+	}
+}
+
+//the new constructor and time queries are generic across both
+impl<T:TimerState,P:PauseState> TimerFixed<T,P>{
+	pub fn new(time:Time,new_time:Time)->Self{
+		let mut timer=Self{
+			state:T::identity(),
+			_paused:P::new(),
+		};
+		timer.set_time(time,new_time);
+		timer
+	}
+	pub fn from_state(state:T)->Self{
+		Self{
+			state,
+			_paused:P::new(),
+		}
+	}
+	pub fn into_state(self)->T{
+		self.state
+	}
+	pub fn time(&self,time:Time)->Time{
+		match P::IS_PAUSED{
+			true=>self.state.get_offset(),
+			false=>self.state.get_time(time),
+		}
+	}
+	pub fn set_time(&mut self,time:Time,new_time:Time){
+		match P::IS_PAUSED{
+			true=>self.state.set_offset(new_time),
+			false=>self.state.set_time(time,new_time),
+		}
+	}
+}
+
+#[derive(Debug)]
+pub enum Error{
+	AlreadyPaused,
+	AlreadyUnpaused,
+}
+impl std::fmt::Display for Error{
+	fn fmt(&self,f:&mut std::fmt::Formatter<'_>)->std::fmt::Result{
+		write!(f,"{self:?}")
+	}
+}
+impl std::error::Error for Error{}
+
+//wrapper type which holds type state internally
+#[derive(Clone,Debug)]
+pub enum Timer<T:TimerState>{
+	Paused(TimerFixed<T,Paused>),
+	Unpaused(TimerFixed<T,Unpaused>),
+}
+impl<T:TimerState> Timer<T>{
+	pub fn from_state(state:T,paused:bool)->Self{
+		match paused{
+			true=>Self::Paused(TimerFixed::from_state(state)),
+			false=>Self::Unpaused(TimerFixed::from_state(state)),
+		}
+	}
+	pub fn into_state(self)->(T,bool){
+		match self{
+			Self::Paused(timer)=>(timer.into_state(),true),
+			Self::Unpaused(timer)=>(timer.into_state(),false),
+		}
+	}
+	pub fn paused(time:Time,new_time:Time)->Self{
+		Self::Paused(TimerFixed::new(time,new_time))
+	}
+	pub fn unpaused(time:Time,new_time:Time)->Self{
+		Self::Unpaused(TimerFixed::new(time,new_time))
+	}
+	pub fn time(&self,time:Time)->Time{
+		match self{
+			Self::Paused(timer)=>timer.time(time),
+			Self::Unpaused(timer)=>timer.time(time),
+		}
+	}
+	pub fn set_time(&mut self,time:Time,new_time:Time){
+		match self{
+			Self::Paused(timer)=>timer.set_time(time,new_time),
+			Self::Unpaused(timer)=>timer.set_time(time,new_time),
+		}
+	}
+	pub fn pause(&mut self,time:Time)->Result<(),Error>{
+		*self=match *self{
+			Self::Paused(_)=>return Err(Error::AlreadyPaused),
+			Self::Unpaused(timer)=>Self::Paused(timer.into_paused(time)),
+		};
+		Ok(())
+	}
+	pub fn unpause(&mut self,time:Time)->Result<(),Error>{
+		*self=match *self{
+			Self::Paused(timer)=>Self::Unpaused(timer.into_unpaused(time)),
+			Self::Unpaused(_)=>return Err(Error::AlreadyUnpaused),
+		};
+		Ok(())
+	}
+	pub fn is_paused(&self)->bool{
+		match self{
+			Self::Paused(_)=>true,
+			Self::Unpaused(_)=>false,
+		}
+	}
+	pub fn set_paused(&mut self,time:Time,paused:bool)->Result<(),Error>{
+		match paused{
+			true=>self.pause(time),
+			false=>self.unpause(time),
+		}
+	}
+}
+//scaled timer methods are generic across PauseState
+impl Timer<Scaled>{
+	pub const fn get_scale(&self)->Ratio64{
+		match self{
+			Self::Paused(timer)=>timer.get_scale(),
+			Self::Unpaused(timer)=>timer.get_scale(),
+		}
+	}
+	pub fn set_scale(&mut self,time:Time,new_scale:Ratio64){
+		match self{
+			Self::Paused(timer)=>timer.set_scale(time,new_scale),
+			Self::Unpaused(timer)=>timer.set_scale(time,new_scale),
+		}
+	}
+}
+
+#[cfg(test)]
+mod test{
+	use super::*;
+	macro_rules! sec {
+		($s: expr) => {
+			Time::from_secs($s)
+		};
+	}
+	#[test]
+	fn test_timerfixed_scaled(){
+		//create a paused timer that reads 0s
+		let timer=TimerFixed::<Scaled,Paused>::from_state(Scaled{scale:0.5f32.try_into().unwrap(),offset:sec!(0)});
+		//the paused timer at 1 second should read 0s
+		assert_eq!(timer.time(sec!(1)),sec!(0));
+
+		//unpause it after one second
+		let timer=timer.into_unpaused(sec!(1));
+		//the timer at 6 seconds should read 2.5s
+		assert_eq!(timer.time(sec!(6)),Time::from_millis(2500));
+
+		//pause the timer after 11 seconds
+		let timer=timer.into_paused(sec!(11));
+		//the paused timer at 20 seconds should read 5s
+		assert_eq!(timer.time(sec!(20)),sec!(5));
+	}
+	#[test]
+	fn test_timer()->Result<(),Error>{
+		//create a paused timer that reads 0s
+		let mut timer=Timer::<Realtime>::paused(sec!(0),sec!(0));
+		//the paused timer at 1 second should read 0s
+		assert_eq!(timer.time(sec!(1)),sec!(0));
+
+		//unpause it after one second
+		timer.unpause(sec!(1))?;
+		//the timer at 6 seconds should read 5s
+		assert_eq!(timer.time(sec!(6)),sec!(5));
+
+		//pause the timer after 11 seconds
+		timer.pause(sec!(11))?;
+		//the paused timer at 20 seconds should read 10s
+		assert_eq!(timer.time(sec!(20)),sec!(10));
+
+		Ok(())
+	}
+}

src/updatable.rs

@@ -0,0 +1,56 @@
+pub trait Updatable<Updater>{
+	fn update(&mut self,update:Updater);
+}
+#[derive(Clone,Copy,Hash,Eq,PartialEq)]
+struct InnerId(u32);
+#[derive(Clone)]
+struct Inner{
+	id:InnerId,
+	enabled:bool,
+}
+#[derive(Clone,Copy,Hash,Eq,PartialEq)]
+struct OuterId(u32);
+struct Outer{
+	id:OuterId,
+	inners:std::collections::HashMap<InnerId,Inner>,
+}
+
+enum Update<I,U>{
+	Insert(I),
+	Update(U),
+	Remove
+}
+
+struct InnerUpdate{
+	//#[updatable(Update)]
+	enabled:Option<bool>,
+}
+struct OuterUpdate{
+	//#[updatable(Insert,Update,Remove)]
+	inners:std::collections::HashMap<InnerId,Update<Inner,InnerUpdate>>,
+	//#[updatable(Update)]
+	//inners:std::collections::HashMap<InnerId,InnerUpdate>,
+}
+impl Updatable<InnerUpdate> for Inner{
+	fn update(&mut self,update:InnerUpdate){
+		if let Some(enabled)=update.enabled{
+			self.enabled=enabled;
+		}
+	}
+}
+impl Updatable<OuterUpdate> for Outer{
+	fn update(&mut self,update:OuterUpdate){
+		for (id,up) in update.inners{
+			match up{
+				Update::Insert(new_inner)=>self.inners.insert(id,new_inner),
+				Update::Update(inner_update)=>self.inners.get_mut(&id).map(|inner|{
+					let old=inner.clone();
+					inner.update(inner_update);
+					old
+				}),
+				Update::Remove=>self.inners.remove(&id),
+			};
+		}
+	}
+}
+//*/

src/zeroes.rs

@@ -1,40 +0,0 @@
-//find roots of polynomials
-use crate::integer::Planar64;
-
-#[inline]
-pub fn zeroes2(a0:Planar64,a1:Planar64,a2:Planar64) -> Vec<Planar64>{
-	if a2==Planar64::ZERO{
-		return zeroes1(a0, a1);
-	}
-	let 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
-		//failure case: 2^63 < sqrt(2^127)
-		let planar_radicand=Planar64::raw(unsafe{(radicand as f64).sqrt().to_int_unchecked()});
-		//TODO: one or two newtons
-		//sort roots ascending and avoid taking the difference of large numbers
-		match (Planar64::ZERO<a2,Planar64::ZERO<a1){
-			(true, true )=>vec![(-a1-planar_radicand)/(a2*2),(a0*2)/(-a1-planar_radicand)],
-			(true, false)=>vec![(a0*2)/(-a1+planar_radicand),(-a1+planar_radicand)/(a2*2)],
-			(false,true )=>vec![(a0*2)/(-a1-planar_radicand),(-a1-planar_radicand)/(a2*2)],
-			(false,false)=>vec![(-a1+planar_radicand)/(a2*2),(a0*2)/(-a1+planar_radicand)],
-		}
-	} else if radicand==0 {
-		return vec![a1/(a2*-2)];
-	} else {
-		return vec![];
-	}
-}
-#[inline]
-pub fn zeroes1(a0:Planar64,a1:Planar64) -> Vec<Planar64> {
-	if a1==Planar64::ZERO{
-		return vec![];
-	}else{
-		let q=((-a0.get() as i128)<<32)/(a1.get() as i128);
-		if i64::MIN as i128<=q&&q<=i64::MAX as i128{
-			return vec![Planar64::raw(q as i64)];
-		}else{
-			return vec![];
-		}
-	}
-}