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overhaul StyleModifiers

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Quaternions 2023-10-17 16:18:55 -07:00
parent c5ecf6b34a
commit fde62febcf
2 changed files with 203 additions and 34 deletions
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13
src/integer.rs
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@ -531,7 +531,14 @@ 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)
Planar64(((self.0 as i128*rhs.0 as i128)>>32) as i64)
}
}
impl std::ops::Mul<Time> for Planar64{
type Output=Planar64;
#[inline]
fn mul(self,rhs:Time)->Self::Output{
Planar64(((self.0 as i128*rhs.0 as i128)/1_000_000_000) as i64)
}
}
impl std::ops::Div<i64> for Planar64{
@ -574,6 +581,10 @@ impl Planar64Vec3{
Self(glam::i64vec3((x as i64)<<32,(y as i64)<<32,(z as i64)<<32))
}
#[inline]
pub const fn raw(x:i64,y:i64,z:i64)->Self{
Self(glam::i64vec3(x,y,z))
}
#[inline]
pub fn x(&self)->Planar64{
Planar64(self.0.x)
}

224
src/physics.rs
View File

@ -141,8 +141,14 @@ impl WalkEnum{
(WalkEnum::Reached,a)
}else{
//normal friction acceleration is clippedAcceleration.dot(normal)*friction
let accel=style.walk_accel.min(style.gravity.dot(Planar64Vec3::NEG_Y)*style.friction);
let time_delta=target_diff.length()/accel;
let diff_len=target_diff.length();
let friction=if diff_len<style.walk_speed{
style.static_friction
}else{
style.kinetic_friction
};
let accel=style.walk_accel.min(style.gravity.dot(Planar64Vec3::NEG_Y)*friction);
let time_delta=diff_len/accel;
let mut a=target_diff.with_length(accel);
touching.constrain_acceleration(models,&mut a);
(WalkEnum::Transient(WalkTarget{velocity,time:body.time+Time::from(time_delta)}),a)
@ -240,34 +246,48 @@ impl std::default::Default for GameMechanicsState{
}
}
pub struct WorldState{}
struct WorldState{}
pub struct StyleModifiers{
pub controls_mask:u32,//controls which are unable to be activated
pub controls_held:u32,//controls which must be active to be able to strafe
pub strafe_tick_rate:Ratio64,
pub jump_time:Time,
pub mv:Planar64,
pub walkspeed:Planar64,
pub friction:Planar64,
pub walk_accel:Planar64,
pub gravity:Planar64Vec3,
pub hitbox_halfsize:Planar64Vec3,
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),// :)
}
//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
struct StyleModifiers{
controls_mask:u32,//controls which are unable to be activated
controls_held:u32,//controls which must be active to be able to strafe
strafe_tick_rate:Ratio64,
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,
air_accel_limit:Option<Planar64>,
gravity:Planar64Vec3,
hitbox_halfsize:Planar64Vec3,
}
impl std::default::Default for StyleModifiers{
fn default() -> Self {
Self{
controls_mask: !0,//&!(Self::CONTROL_MOVEUP|Self::CONTROL_MOVEDOWN),
controls_held: 0,
strafe_tick_rate:Ratio64::new(100,Time::ONE_SECOND.nanos() as u64).unwrap(),
jump_time: Time::from_nanos(715_588_000/2*100),//0.715588/2.0*100.0
gravity: Planar64Vec3::int(0,-100,0),
friction: Planar64::int(12)/10,
walk_accel: Planar64::int(90),
mv: Planar64::int(27)/10,
walkspeed: Planar64::int(18),
hitbox_halfsize: Planar64Vec3::int(2,5,2)/2,
}
Self::roblox_bhop()
}
}
impl StyleModifiers{
@ -284,6 +304,121 @@ impl StyleModifiers{
const UP_DIR:Planar64Vec3=Planar64Vec3::Y;
const FORWARD_DIR:Planar64Vec3=Planar64Vec3::NEG_Z;
fn new()->Self{
Self{
controls_mask:!0,//&!(Self::CONTROL_MOVEUP|Self::CONTROL_MOVEDOWN),
controls_held:0,
strafe_tick_rate:Ratio64::new(128,Time::ONE_SECOND.nanos() as u64).unwrap(),
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(2),
air_accel_limit: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),
hitbox_halfsize:Planar64Vec3::int(2,5,2)/2,
}
}
fn roblox_bhop()->Self{
Self{
controls_mask:!0,//&!(Self::CONTROL_MOVEUP|Self::CONTROL_MOVEDOWN),
controls_held:0,
strafe_tick_rate:Ratio64::new(100,Time::ONE_SECOND.nanos() as u64).unwrap(),
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,
air_accel_limit: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),
hitbox_halfsize:Planar64Vec3::int(2,5,2)/2,
}
}
fn roblox_surf()->Self{
Self{
controls_mask:!0,//&!(Self::CONTROL_MOVEUP|Self::CONTROL_MOVEDOWN),
controls_held:0,
strafe_tick_rate:Ratio64::new(100,Time::ONE_SECOND.nanos() as u64).unwrap(),
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,
air_accel_limit: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),
hitbox_halfsize:Planar64Vec3::int(2,5,2)/2,
}
}
fn source_bhop()->Self{
//camera_offset=vec3(0,64/16-73/16/2,0),
Self{
controls_mask:!0,//&!(Self::CONTROL_MOVEUP|Self::CONTROL_MOVEDOWN),
controls_held:0,
strafe_tick_rate:Ratio64::new(100,Time::ONE_SECOND.nanos() as u64).unwrap(),
jump_impulse:JumpImpulse::FromHeight(Planar64::raw(52<<28)),
jump_calculation:JumpCalculation::Linear,
gravity:Planar64Vec3::raw(0,-800<<28,0),
static_friction:Planar64::int(2),//?
kinetic_friction:Planar64::int(3),//?
mass:Planar64::int(1),
mv:Planar64::raw(30<<28),
air_accel_limit:Some(Planar64::raw(150<<28)*66),
walk_speed:Planar64::int(18),//?
walk_accel:Planar64::int(90),//?
ladder_speed:Planar64::int(18),//?
ladder_accel:Planar64::int(180),//?
ladder_dot:(Planar64::int(1)/2).sqrt(),//?
swim_speed:Planar64::int(12),//?
hitbox_halfsize:Planar64Vec3::raw(33<<28,73<<28,33<<28)/2,
}
}
fn source_surf()->Self{
//camera_offset=vec3(0,64/16-73/16/2,0),
Self{
controls_mask:!0,//&!(Self::CONTROL_MOVEUP|Self::CONTROL_MOVEDOWN),
controls_held:0,
strafe_tick_rate:Ratio64::new(66,Time::ONE_SECOND.nanos() as u64).unwrap(),
jump_impulse:JumpImpulse::FromHeight(Planar64::raw(52<<28)),
jump_calculation:JumpCalculation::Linear,
gravity:Planar64Vec3::raw(0,-800<<28,0),
static_friction:Planar64::int(2),//?
kinetic_friction:Planar64::int(3),//?
mass:Planar64::int(1),
mv:Planar64::raw(30<<28),
air_accel_limit:Some(Planar64::raw(150<<28)*66),
walk_speed:Planar64::int(18),//?
walk_accel:Planar64::int(90),//?
ladder_speed:Planar64::int(18),//?
ladder_accel:Planar64::int(180),//?
ladder_dot:(Planar64::int(1)/2).sqrt(),//?
swim_speed:Planar64::int(12),//?
hitbox_halfsize:Planar64Vec3::raw(33<<28,73<<28,33<<28)/2,
}
}
fn get_control(&self,control:u32,controls:u32)->bool{
controls&self.controls_mask&control==control
}
@ -318,19 +453,42 @@ impl StyleModifiers{
return control_dir
}
fn get_jump_power(&self)->Planar64{
Planar64::int(715588)/(2*1000000/100)
//fn get_jump_time(&self)->Planar64
//fn get_jump_height(&self)->Planar64
//fn get_jump_energy(&self)->Planar64
fn get_jump_deltav(&self)->Planar64{
match &self.jump_impulse{
&JumpImpulse::FromTime(time)=>self.gravity.length()*(time/2),
&JumpImpulse::FromHeight(height)=>(self.gravity.length()*height*2).sqrt(),
&JumpImpulse::FromDeltaV(deltav)=>deltav,
&JumpImpulse::FromEnergy(energy)=>(energy*2/self.mass).sqrt(),
}
}
fn get_walk_target_velocity(&self,camera:&PhysicsCamera,controls:u32,next_mouse:&MouseState,time:Time)->Planar64Vec3{
let camera_mat=camera.simulate_move_rotation_y(camera.mouse.lerp(&next_mouse,time).x);
let control_dir=camera_mat*self.get_control_dir(controls);
control_dir*self.walkspeed
control_dir*self.walk_speed
}
fn get_ladder_target_velocity(&self,camera:&PhysicsCamera,controls:u32,next_mouse:&MouseState,time:Time)->Planar64Vec3{
let camera_mat=camera.simulate_move_rotation(camera.mouse.lerp(&next_mouse,time));
let control_dir=camera_mat*self.get_control_dir(controls);
// local m=sqrt(ControlDir.length_squared())
// local d=dot(Normal,ControlDir)/m
// if d<-LadderDot then
// ControlDir=Up*m
// d=dot(Normal,Up)
// elseif LadderDot<d then
// ControlDir=Up*-m
// d=-dot(Normal,Up)
// end
// return cross(cross(Normal,ControlDir),Normal)/sqrt(1-d*d)
control_dir*self.walk_speed
}
fn get_propulsion_target_velocity(&self,camera:&PhysicsCamera,controls:u32,next_mouse:&MouseState,time:Time)->Planar64Vec3{
let camera_mat=camera.simulate_move_rotation(camera.mouse.lerp(&next_mouse,time));
let control_dir=camera_mat*self.get_control_dir(controls);
control_dir*self.walkspeed
control_dir*self.walk_speed
}
}
@ -756,7 +914,7 @@ impl PhysicsState {
fn jump(&mut self){
match &self.move_state{
MoveState::Walk(walk_state)|MoveState::Ladder(walk_state)=>{
let mut v=self.body.velocity+walk_state.normal*self.style.get_jump_power();
let mut v=self.body.velocity+walk_state.normal*self.style.get_jump_deltav();
self.touching.constrain_velocity(&self.models,&mut v);
self.body.velocity=v;
},
@ -812,7 +970,7 @@ impl PhysicsState {
},
MoveState::Ladder(WalkState{normal,state})=>{
let n=normal;
(*state,self.body.acceleration)=WalkEnum::with_target_velocity(&self.touching,&self.body,&self.style,&self.models,self.style.get_propulsion_target_velocity(&self.camera,self.controls,&self.next_mouse,self.time),&n);
(*state,self.body.acceleration)=WalkEnum::with_target_velocity(&self.touching,&self.body,&self.style,&self.models,self.style.get_ladder_target_velocity(&self.camera,self.controls,&self.next_mouse,self.time),&n);
},
}
}
@ -1169,7 +1327,7 @@ impl crate::instruction::InstructionConsumer<PhysicsInstruction> for PhysicsStat
self.body.velocity=Planar64Vec3::ZERO;//model.velocity
}
//ladder walkstate
let (walk_state,a)=WalkState::ladder(&self.touching,&self.body,&self.style,&self.models,self.style.get_propulsion_target_velocity(&self.camera,self.controls,&self.next_mouse,self.time),&c.normal(&self.models));
let (walk_state,a)=WalkState::ladder(&self.touching,&self.body,&self.style,&self.models,self.style.get_ladder_target_velocity(&self.camera,self.controls,&self.next_mouse,self.time),&c.normal(&self.models));
self.move_state=MoveState::Ladder(walk_state);
self.body.acceleration=a;
}