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104 Commits

Author SHA1 Message Date
2ca197431b porting mistake 2026-01-19 14:18:43 -08:00
13f93fb2f0 test wedge part 2026-01-19 14:12:56 -08:00
ee72434a87 print arity 2026-01-19 13:41:13 -08:00
8c783ed8ae print more 2026-01-19 12:57:36 -08:00
d90c201a91 fill test scene 2026-01-19 12:57:32 -08:00
2c6a373fd0 read from local folder 2026-01-19 12:02:23 -08:00
733bfc1bbf debug 2026-01-19 12:02:23 -08:00
695ed460fc fix md harness 2026-01-19 12:02:23 -08:00
9b308e5fb7 load source once at runtime 2026-01-19 12:02:23 -08:00
971ecc6393 fix it 2026-01-19 12:02:23 -08:00
89c86cc805 implement lua 2026-01-19 12:02:23 -08:00
4f09bb41db add mlua 2026-01-19 12:02:23 -08:00
dfe0987b84 cylinder test 2026-01-19 12:02:17 -08:00
493cf242c6 not dead code 2025-12-19 12:17:35 -08:00
9b3a9ce437 narrow directions more carefully 2025-12-18 11:03:06 -08:00
73f0a85f81 fix predict_collision_out 2025-12-18 11:03:06 -08:00
332e11a627 add loop 2025-12-18 11:03:06 -08:00
2d7f5cdc7d add test points 2025-12-18 11:03:06 -08:00
822f4571d2 add unit test 2025-12-18 11:03:06 -08:00
ac4c84f562 partially implement md generic 2025-12-18 11:03:06 -08:00
3a7aaa20f8 fix constraints epsilon
these were supposed to be 3 voxels but were on the order of 3 units
2025-12-18 11:03:06 -08:00
2e77366a17 handle non-canonnical multi-edge spanning edges 2025-12-18 11:03:06 -08:00
8a1f434a2a Meshquery::farthest_vert 2025-12-18 11:03:06 -08:00
80d3df4659 todo 2025-12-18 11:03:06 -08:00
47f94fe359 why 2025-12-18 11:03:06 -08:00
c4a2811627 think through simplex constraints 2025-12-18 11:03:06 -08:00
b23d4d590d refactor algorithm to use a struct 2025-12-18 11:03:06 -08:00
cb9307bdf2 comments 2025-12-18 11:03:05 -08:00
ae7582704b comment todos 2025-12-18 11:03:05 -08:00
7f0f63570e add unfortunate algorithm 2025-12-18 11:03:05 -08:00
dbe96a0451 remove Eq for MinkowskiFace 2025-12-18 11:03:05 -08:00
291cedff3f breakout 2025-12-18 11:03:05 -08:00
43a2c76906 change on_exact signature 2025-12-18 11:03:05 -08:00
7d8dbf7e82 fail without crash 2025-12-18 11:03:05 -08:00
7640ea824d no print 2025-12-18 11:03:05 -08:00
f3b02bba92 use new algorithm 2025-12-18 11:03:05 -08:00
9d04df4894 convert to fev using dumbest algorithm possible 2025-12-18 11:03:05 -08:00
f90436f0cc negate minkowski input to minimum_difference 2025-12-18 11:03:05 -08:00
5e14a85d84 make hint_point consistent with vert 2025-12-18 11:03:05 -08:00
da718e4bd2 rename variable 2025-12-18 11:03:05 -08:00
5641e9a26f physics: derive Eq for Minkowski FEV 2025-12-18 11:03:05 -08:00
7e7839f4aa remove indexing 2025-12-18 11:03:05 -08:00
6448d7cc57 put comment back in 2025-12-18 11:03:05 -08:00
b8be169092 use struct 2025-12-18 11:03:05 -08:00
9c4c14c5dc reduce member fn 2025-12-18 11:03:05 -08:00
ca40e65060 split reduce 2025-12-18 11:03:05 -08:00
492e72c1bc deconstruct 2025-12-18 11:03:05 -08:00
03bf2650fd refactor using Simplex enum 2025-12-18 11:03:05 -08:00
0c8cf02287 simplify perp 2025-12-18 11:03:05 -08:00
af1374906b fix algorithm 2025-12-18 11:03:05 -08:00
570d33a030 rename 2025-12-18 11:03:05 -08:00
d0c38a6e66 style 2025-12-18 11:03:05 -08:00
dd7a636fa9 careful relative point opti 2025-12-18 11:03:05 -08:00
2483abe2ad work 2025-12-18 11:03:05 -08:00
6621e369f2 include relative point 2025-12-18 11:03:05 -08:00
1b833ef6b3 fix degenerate case 2025-12-18 11:03:05 -08:00
8a1ab4e03c fix wrong 2025-12-18 11:03:05 -08:00
069db75d3a use min diff 2025-12-18 11:03:05 -08:00
de54bcfc36 implement contains_point 2025-12-18 11:03:05 -08:00
e777b89c6d rename variable 2025-12-18 11:03:05 -08:00
d17153d17d work 2025-12-18 11:03:05 -08:00
e514c27675 reduce min dist bit width 2025-12-18 11:03:05 -08:00
d1c13757e0 FnOnce 2025-12-18 11:03:04 -08:00
d93e558678 fast fail fn 2025-12-18 11:03:04 -08:00
0048306236 more naming things 2025-12-18 11:03:04 -08:00
ee50f8dc1e refine naming 2025-12-18 11:03:04 -08:00
e4966b037f names 2025-12-18 11:03:04 -08:00
96cdd684d1 stuff 2025-12-18 11:03:04 -08:00
838130fec4 switch trait to closures 2025-12-18 11:03:04 -08:00
8a3badc270 insane trait just to remove if statements 2025-12-18 11:03:04 -08:00
4470e88d7b refactor calculation result 2025-12-18 11:03:04 -08:00
df7bee6cd1 details later 2025-12-18 11:03:04 -08:00
4fdd254f2a remove is more clear 2025-12-18 11:03:04 -08:00
8a9db203fa remove unused 2025-12-18 11:03:04 -08:00
be05fd108a work 2025-12-18 11:03:04 -08:00
6160872469 work 2025-12-18 11:03:04 -08:00
2c1fa5da22 work 2025-12-18 11:03:04 -08:00
6fe45f4873 work 2025-12-18 11:03:04 -08:00
e1dac67aa0 notes 2025-12-18 11:03:04 -08:00
f9ed33073e zero 2025-12-18 11:03:04 -08:00
91636747d4 idea 2025-12-18 11:03:04 -08:00
03b72301a3 eugh 2025-12-18 11:03:04 -08:00
214b23f780 work 2025-12-18 11:03:04 -08:00
6d98407830 work 2025-12-18 11:03:04 -08:00
978659e8c6 work 2025-12-18 11:03:04 -08:00
d00871f87f work 2025-12-18 11:03:04 -08:00
d2ed97fcf2 wip paste fns 2025-12-18 11:03:04 -08:00
ab3c693f84 no hold ref 2025-12-18 11:03:04 -08:00
f0c7677a77 work 2025-12-18 11:03:04 -08:00
eed0abcc2c work 2025-12-18 11:03:04 -08:00
bc5cdc7313 work 2025-12-18 11:03:04 -08:00
14a5a3f964 work 2025-12-18 11:03:04 -08:00
18b7bba901 work 2025-12-18 11:03:04 -08:00
1770ac7292 work 2025-12-18 11:03:04 -08:00
7384886512 work 2025-12-18 11:03:04 -08:00
1dbde609cc wip 2025-12-18 11:03:04 -08:00
e024f37843 update deps 2025-12-18 10:58:50 -08:00
4059cfa527 update wgpu 2025-12-18 10:57:19 -08:00
e4f3418bc6 document PhysicsMesh 2025-12-11 09:36:21 -08:00
6ca6d5e484 expect dead code 2025-12-10 18:05:16 -08:00
0668ac2def use allow instead of expect 2025-12-09 14:39:42 -08:00
73e3181d0c roblox_emulator: v0.5.2 2025-11-27 16:42:01 -08:00
19ba8f2445 update deps 2025-11-27 15:50:19 -08:00
0495d07e26 update rbx-dom 2025-11-27 15:48:17 -08:00
19 changed files with 860 additions and 474 deletions

909
Cargo.lock generated

File diff suppressed because it is too large Load Diff

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@@ -11,7 +11,7 @@ id = { version = "0.1.0", registry = "strafesnet" }
strafesnet_common = { path = "../../lib/common", registry = "strafesnet" }
strafesnet_session = { path = "../session", registry = "strafesnet" }
strafesnet_settings = { path = "../settings", registry = "strafesnet" }
wgpu = "27.0.0"
wgpu = "28.0.0"
[lints]
workspace = true

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@@ -616,7 +616,7 @@ impl GraphicsState{
address_mode_w:wgpu::AddressMode::ClampToEdge,
mag_filter:wgpu::FilterMode::Linear,
min_filter:wgpu::FilterMode::Linear,
mipmap_filter:wgpu::FilterMode::Linear,
mipmap_filter:wgpu::MipmapFilterMode::Linear,
..Default::default()
});
let repeat_sampler=device.create_sampler(&wgpu::SamplerDescriptor{
@@ -626,7 +626,7 @@ impl GraphicsState{
address_mode_w:wgpu::AddressMode::Repeat,
mag_filter:wgpu::FilterMode::Linear,
min_filter:wgpu::FilterMode::Linear,
mipmap_filter:wgpu::FilterMode::Linear,
mipmap_filter:wgpu::MipmapFilterMode::Linear,
anisotropy_clamp:16,
..Default::default()
});
@@ -754,7 +754,7 @@ impl GraphicsState{
&skybox_texture_bind_group_layout,
&model_bind_group_layout,
],
push_constant_ranges:&[],
immediate_size:0,
});
let sky_pipeline_layout=device.create_pipeline_layout(&wgpu::PipelineLayoutDescriptor{
label:None,
@@ -762,7 +762,7 @@ impl GraphicsState{
&camera_bind_group_layout,
&skybox_texture_bind_group_layout,
],
push_constant_ranges:&[],
immediate_size:0,
});
// Create the render pipelines
@@ -793,7 +793,7 @@ impl GraphicsState{
bias:wgpu::DepthBiasState::default(),
}),
multisample:wgpu::MultisampleState::default(),
multiview:None,
multiview_mask:None,
cache:None,
});
let model_pipeline=device.create_render_pipeline(&wgpu::RenderPipelineDescriptor{
@@ -828,7 +828,7 @@ impl GraphicsState{
bias:wgpu::DepthBiasState::default(),
}),
multisample:wgpu::MultisampleState::default(),
multiview:None,
multiview_mask:None,
cache:None,
});
@@ -880,7 +880,7 @@ impl GraphicsState{
camera_buf,
models:Vec::new(),
depth_view,
staging_belt:wgpu::util::StagingBelt::new(0x100),
staging_belt:wgpu::util::StagingBelt::new(device.clone(),0x100),
bind_group_layouts:GraphicsBindGroupLayouts{model:model_bind_group_layout},
samplers:GraphicsSamplers{repeat:repeat_sampler},
temp_squid_texture_view:squid_texture_view,
@@ -918,7 +918,6 @@ impl GraphicsState{
&self.camera_buf,
0,
wgpu::BufferSize::new((camera_uniforms.len() * 4) as wgpu::BufferAddress).unwrap(),
device,
)
.copy_from_slice(bytemuck::cast_slice(&camera_uniforms));
//This code only needs to run when the uniforms change
@@ -965,6 +964,7 @@ impl GraphicsState{
}),
timestamp_writes:Default::default(),
occlusion_query_set:Default::default(),
multiview_mask:None,
});
rpass.set_bind_group(0,&self.bind_groups.camera,&[]);

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@@ -7,6 +7,7 @@ edition = "2024"
arrayvec = "0.7.6"
glam = "0.30.0"
id = { version = "0.1.0", registry = "strafesnet" }
mlua = { version = "0.11.5", features = ["luau"] }
strafesnet_common = { path = "../../lib/common", registry = "strafesnet" }
[lints]

View File

@@ -3,6 +3,7 @@ mod face_crawler;
mod model;
mod push_solve;
mod minimum_difference;
mod minimum_difference_lua;
pub mod physics;

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@@ -10,13 +10,20 @@ use crate::model::{MinkowskiMesh,MinkowskiVert};
// written by Trey Reynolds in 2021
type Simplex<const N:usize,Vert>=[Vert;N];
#[derive(Clone,Copy)]
#[derive(Clone,Copy,Debug)]
enum Simplex1_3<Vert>{
Simplex1(Simplex<1,Vert>),
Simplex2(Simplex<2,Vert>),
Simplex3(Simplex<3,Vert>),
}
impl<Vert> Simplex1_3<Vert>{
fn len(&self)->usize{
match self{
Simplex1_3::Simplex1(_)=>1,
Simplex1_3::Simplex2(_)=>2,
Simplex1_3::Simplex3(_)=>3,
}
}
fn push_front(self,v:Vert)->Simplex2_4<Vert>{
match self{
Simplex1_3::Simplex1([v0])=>Simplex2_4::Simplex2([v,v0]),
@@ -100,17 +107,51 @@ const fn choose_any_direction()->Planar64Vec3{
vec3::X
}
fn narrow_dir2(dir:Vector3<Fixed<2,64>>)->Planar64Vec3{
if dir==vec3::zero(){
return dir.narrow_1().unwrap();
}
let x=dir.x.as_bits().unsigned_abs().bits();
let y=dir.y.as_bits().unsigned_abs().bits();
let z=dir.z.as_bits().unsigned_abs().bits();
let big=x.max(y).max(z);
const MAX_BITS:u32=64+31;
if MAX_BITS<big{
dir>>(big-MAX_BITS)
}else{
dir
}.narrow_1().unwrap()
}
fn narrow_dir3(dir:Vector3<Fixed<3,96>>)->Planar64Vec3{
if dir==vec3::zero(){
return dir.narrow_1().unwrap();
}
let x=dir.x.as_bits().unsigned_abs().bits();
let y=dir.y.as_bits().unsigned_abs().bits();
let z=dir.z.as_bits().unsigned_abs().bits();
let big=x.max(y).max(z);
const MAX_BITS:u32=96+31;
if MAX_BITS<big{
dir>>(big-MAX_BITS)
}else{
dir
}.narrow_1().unwrap()
}
fn reduce1<M:MeshQuery>(
[v0]:Simplex<1,M::Vert>,
mesh:&M,
point:Planar64Vec3,
)->Reduced<M::Vert>{
println!("reduce1");
// --debug.profilebegin("reduceSimplex0")
// local a = a1 - a0
let p0=mesh.vert(v0);
println!("p0={p0}");
// local p = -a
let p=-(p0+point);
println!("p={p}");
// local direction = p
let mut dir=p;
@@ -134,6 +175,7 @@ fn reduce2<M:MeshQuery>(
mesh:&M,
point:Planar64Vec3,
)->Reduced<M::Vert>{
println!("reduce2");
// --debug.profilebegin("reduceSimplex1")
// local a = a1 - a0
// local b = b1 - b0
@@ -165,7 +207,7 @@ fn reduce2<M:MeshQuery>(
// -- modify the direction to take into account a0R and b0R
// return direction, a0, a1, b0, b1
return Reduced{
dir:direction.narrow_1().unwrap(),
dir:narrow_dir3(direction),
simplex:Simplex1_3::Simplex2([v0,v1]),
};
}
@@ -191,6 +233,7 @@ fn reduce3<M:MeshQuery>(
mesh:&M,
point:Planar64Vec3,
)->Reduced<M::Vert>{
println!("reduce3");
// --debug.profilebegin("reduceSimplex2")
// local a = a1 - a0
// local b = b1 - b0
@@ -205,6 +248,7 @@ fn reduce3<M:MeshQuery>(
let p=-(p0+point);
let mut u=p1-p0;
let v=p2-p0;
println!("p={p} u={u} v={v}");
// local uv = u:Cross(v)
// local up = u:Cross(p)
@@ -228,10 +272,11 @@ fn reduce3<M:MeshQuery>(
}else{
uv
};
println!("and we got here?? direction={direction:?}");
// return direction, a0, a1, b0, b1, c0, c1
return Reduced{
dir:direction.narrow_1().unwrap(),
dir:narrow_dir2(direction),
simplex:Simplex1_3::Simplex3([v0,v1,v2]),
};
}
@@ -265,14 +310,14 @@ fn reduce3<M:MeshQuery>(
if direction==vec3::zero(){
// direction = uv
return Reduced{
dir:uv.narrow_1().unwrap(),
dir:narrow_dir2(uv),
simplex:Simplex1_3::Simplex2([v0,v1]),
};
}
// return direction, a0, a1, b0, b1
return Reduced{
dir:direction.narrow_1().unwrap(),
dir:narrow_dir3(direction),
simplex:Simplex1_3::Simplex2([v0,v1]),
};
}
@@ -283,7 +328,7 @@ fn reduce3<M:MeshQuery>(
if dir==vec3::zero(){
// direction = uv
return Reduced{
dir:uv.narrow_1().unwrap(),
dir:narrow_dir2(uv),
simplex:Simplex1_3::Simplex1([v0]),
};
}
@@ -300,6 +345,7 @@ fn reduce4<M:MeshQuery>(
mesh:&M,
point:Planar64Vec3,
)->Reduce<M::Vert>{
println!("reduce4");
// --debug.profilebegin("reduceSimplex3")
// local a = a1 - a0
// local b = b1 - b0
@@ -335,9 +381,11 @@ fn reduce4<M:MeshQuery>(
let uv_p=uv.dot(p);
// if pvw/uvw >= 0 and upw/uvw >= 0 and uvp/uvw >= 0 then
if !pv_w.div_sign(uv_w).is_negative()
||!up_w.div_sign(uv_w).is_negative()
||!uv_p.div_sign(uv_w).is_negative(){
let a=!pv_w.div_sign(uv_w).is_negative();
let b=!up_w.div_sign(uv_w).is_negative();
let c=!uv_p.div_sign(uv_w).is_negative();
println!("a={a} b={b} c={c}");
if a&&b&&c{
// origin is contained, this is a positive detection
// local direction = Vector3.new(0, 0, 0)
// return direction, a0, a1, b0, b1, c0, c1, d0, d1
@@ -399,12 +447,12 @@ fn reduce4<M:MeshQuery>(
// return direction, a0, a1, b0, b1, c0, c1
if uv_w.is_negative(){
return Reduce::Reduced(Reduced{
dir:uv.narrow_1().unwrap(),
dir:narrow_dir2(uv),
simplex:Simplex1_3::Simplex3([v0,v1,v2]),
});
}else{
return Reduce::Reduced(Reduced{
dir:-uv.narrow_1().unwrap(),
dir:narrow_dir2(-uv),
simplex:Simplex1_3::Simplex3([v0,v1,v2]),
});
}
@@ -441,12 +489,12 @@ fn reduce4<M:MeshQuery>(
// return direction, a0, a1, b0, b1
if uv_w.is_negative(){
return Reduce::Reduced(Reduced{
dir:uv.narrow_1().unwrap(),
dir:narrow_dir2(uv),
simplex:Simplex1_3::Simplex2([v0,v1]),
});
}else{
return Reduce::Reduced(Reduced{
dir:-uv.narrow_1().unwrap(),
dir:narrow_dir2(-uv),
simplex:Simplex1_3::Simplex2([v0,v1]),
});
}
@@ -454,7 +502,7 @@ fn reduce4<M:MeshQuery>(
// return direction, a0, a1, b0, b1
return Reduce::Reduced(Reduced{
dir:direction.narrow_1().unwrap(),
dir:narrow_dir3(direction),
simplex:Simplex1_3::Simplex2([v0,v1]),
});
}
@@ -466,12 +514,12 @@ fn reduce4<M:MeshQuery>(
// direction = uvw < 0 and uv or -uv
if uv_w.is_negative(){
return Reduce::Reduced(Reduced{
dir:uv.narrow_1().unwrap(),
dir:narrow_dir2(uv),
simplex:Simplex1_3::Simplex1([v0]),
});
}else{
return Reduce::Reduced(Reduced{
dir:-uv.narrow_1().unwrap(),
dir:narrow_dir2(-uv),
simplex:Simplex1_3::Simplex1([v0]),
});
}
@@ -720,13 +768,22 @@ fn crawl_to_closest_fev<'a>(mesh:&MinkowskiMesh<'a>,simplex:Simplex<3,MinkowskiV
},
}
}
pub fn closest_fev_not_inside<'a>(mesh:&MinkowskiMesh<'a>,point:Planar64Vec3)->Option<FEV<MinkowskiMesh<'a>>>{
println!("=== LUA ===");
let (hits,_details)=crate::minimum_difference_lua::minimum_difference_details(mesh,point).unwrap();
println!("=== RUST ===");
let closest_fev_not_inside=closest_fev_not_inside_inner(mesh,point);
assert_eq!(hits,closest_fev_not_inside.is_none(),"algorithms disagree");
closest_fev_not_inside
}
fn closest_fev_not_inside_inner<'a>(mesh:&MinkowskiMesh<'a>,point:Planar64Vec3)->Option<FEV<MinkowskiMesh<'a>>>{
const ENABLE_FAST_FAIL:bool=false;
// TODO: remove mesh negation
minimum_difference::<ENABLE_FAST_FAIL,_,_>(&-mesh,point,
// on_exact
|is_intersecting,simplex|{
println!("on_exact simplex={simplex:?}");
if is_intersecting{
return None;
}
@@ -790,6 +847,7 @@ fn minimum_difference<const ENABLE_FAST_FAIL:bool,T,M:MeshQuery>(
if initial_axis==vec3::zero(){
initial_axis=choose_any_direction();
}
println!("initial_axis={initial_axis}");
let last_point=mesh.farthest_vert(-initial_axis);
// this represents the 'a' value in the commented code
let mut last_pos=mesh.vert(last_point);
@@ -798,6 +856,8 @@ fn minimum_difference<const ENABLE_FAST_FAIL:bool,T,M:MeshQuery>(
// exitRadius = testIntersection and 0 or exitRadius or 1/0
// for _ = 1, 100 do
loop{
println!("arity={} direction={direction}",simplex_small.len());
// new_point_p = queryP(-direction)
// new_point_q = queryQ(direction)
// local next_point = new_point_q - new_point_p
@@ -805,7 +865,11 @@ fn minimum_difference<const ENABLE_FAST_FAIL:bool,T,M:MeshQuery>(
let next_pos=mesh.vert(next_point);
// if -direction:Dot(next_point) > (exitRadius + radiusP + radiusQ)*direction.magnitude then
if ENABLE_FAST_FAIL&&direction.dot(next_pos+point).is_negative(){
let d=direction.dot(next_pos+point);
let fast_fail=d.is_negative();
println!("ENABLE_FAST_FAIL={ENABLE_FAST_FAIL} fast_fail={fast_fail} next_point={} dot={d}",next_pos+point);
if ENABLE_FAST_FAIL&&fast_fail{
println!("on_fast_fail");
return on_fast_fail();
}
@@ -814,8 +878,11 @@ fn minimum_difference<const ENABLE_FAST_FAIL:bool,T,M:MeshQuery>(
// if
// direction:Dot(next_point - a) <= 0 or
// absDet(next_point, a, b, c) < 1e-6
if !direction.dot(next_pos-last_pos).is_positive()
||simplex_big.det_is_zero(mesh){
let cond1=!direction.dot(next_pos-last_pos).is_positive();
let cond2=simplex_big.det_is_zero(mesh);
println!("cond1={cond1} cond2={cond2}");
if cond1||cond2{
println!("on_exact");
// Found enough information to compute the exact closest point.
// local norm = direction.unit
// local dist = a:Dot(norm)
@@ -828,6 +895,7 @@ fn minimum_difference<const ENABLE_FAST_FAIL:bool,T,M:MeshQuery>(
match simplex_big.reduce(mesh,point){
// if a and b and c and d then
Reduce::Escape(simplex)=>{
println!("on_escape");
// Enough information to conclude that the meshes are intersecting.
// Topology information is computed if needed.
return on_escape(simplex);
@@ -870,6 +938,13 @@ mod test{
fn test_cube_points(){
let mesh=PhysicsMesh::unit_cube();
let mesh_view=mesh.complete_mesh_view();
assert!(mesh_contains_point(mesh_view,vec3::NEG_Z));
for x in -2..=2{
for y in -2..=2{
for z in -2..=2{
let point=vec3::int(x,y,z)>>1;
assert!(mesh_contains_point(mesh_view,point),"Mesh did not contain point {point}");
}
}
}
}
}

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@@ -0,0 +1,173 @@
use mlua::{Lua,FromLuaMulti,IntoLuaMulti,Function,Result as LuaResult,Vector};
use strafesnet_common::integer::{Planar64,Planar64Vec3,FixedFromFloatError};
use crate::model::{MeshQuery,MinkowskiMesh};
pub fn contains_point(
mesh:&MinkowskiMesh,
point:Planar64Vec3,
)->LuaResult<bool>{
Ok(minimum_difference(mesh,point,true)?.hits)
}
pub fn minimum_difference_details(
mesh:&MinkowskiMesh,
point:Planar64Vec3,
)->LuaResult<(bool,Option<Details>)>{
let md=minimum_difference(mesh,point,false)?;
Ok((md.hits,md.details))
}
fn p64v3(v:Vector)->Result<Planar64Vec3,FixedFromFloatError>{
Ok(Planar64Vec3::new([
v.x().try_into()?,
v.y().try_into()?,
v.z().try_into()?,
]))
}
fn vec(v:Planar64Vec3)->Vector{
Vector::new(v.x.into(),v.y.into(),v.z.into())
}
struct MinimumDifference{
hits:bool,
details:Option<Details>
}
pub struct Details{
pub distance:Planar64,
pub p_pos:Planar64Vec3,
pub p_norm:Planar64Vec3,
pub q_pos:Planar64Vec3,
pub q_norm:Planar64Vec3,
}
impl FromLuaMulti for MinimumDifference{
fn from_lua_multi(mut values:mlua::MultiValue,_lua:&Lua)->LuaResult<Self>{
match values.make_contiguous(){
&mut [
mlua::Value::Boolean(hits),
mlua::Value::Nil,
mlua::Value::Nil,
mlua::Value::Nil,
mlua::Value::Nil,
mlua::Value::Nil,
]=>Ok(Self{hits,details:None}),
&mut [
mlua::Value::Boolean(hits),
mlua::Value::Number(distance),
mlua::Value::Vector(p_pos),
mlua::Value::Vector(p_norm),
mlua::Value::Vector(q_pos),
mlua::Value::Vector(q_norm),
]=>Ok(Self{
hits,
details:Some(Details{
distance:distance.try_into().unwrap(),
p_pos:p64v3(p_pos).unwrap(),
p_norm:p64v3(p_norm).unwrap(),
q_pos:p64v3(q_pos).unwrap(),
q_norm:p64v3(q_norm).unwrap(),
}),
}),
&mut [
mlua::Value::Boolean(hits),
mlua::Value::Integer(distance),
mlua::Value::Vector(p_pos),
mlua::Value::Vector(p_norm),
mlua::Value::Vector(q_pos),
mlua::Value::Vector(q_norm),
]=>Ok(Self{
hits,
details:Some(Details{
distance:distance.into(),
p_pos:p64v3(p_pos).unwrap(),
p_norm:p64v3(p_norm).unwrap(),
q_pos:p64v3(q_pos).unwrap(),
q_norm:p64v3(q_norm).unwrap(),
}),
}),
values=>Err(mlua::Error::runtime(format!("Invalid return values: {values:?}"))),
}
}
}
struct Args{
query_p:Function,
radius_p:f64,
query_q:Function,
radius_q:f64,
test_intersection:bool,
}
impl Args{
fn new(
lua:&Lua,
mesh:&'static MinkowskiMesh<'static>,
point:Planar64Vec3,
test_intersection:bool,
)->LuaResult<Self>{
let radius_p=0.0;
let radius_q=0.0;
// Query the farthest point on the mesh in the given direction.
let query_p=lua.create_function(move|_,dir:Option<Vector>|{
let Some(dir)=dir else{
return Ok(vec(mesh.mesh0.hint_point()));
};
let dir=p64v3(dir).unwrap();
let vert_id=mesh.mesh0.farthest_vert(dir);
let dir=mesh.mesh0.vert(vert_id);
Ok(vec(dir))
})?;
// query_q is different since it includes the test point offset.
let query_q=lua.create_function(move|_,dir:Option<Vector>|{
let Some(dir)=dir else{
return Ok(vec(mesh.mesh1.hint_point()+point));
};
let dir=p64v3(dir).unwrap();
let vert_id=mesh.mesh1.farthest_vert(dir);
let dir=mesh.mesh1.vert(vert_id)+point;
Ok(vec(dir))
})?;
Ok(Args{
query_p,
radius_p,
query_q,
radius_q,
test_intersection,
})
}
}
impl IntoLuaMulti for Args{
fn into_lua_multi(self,lua:&Lua)->LuaResult<mlua::MultiValue>{
use mlua::IntoLua;
Ok(mlua::MultiValue::from_vec(vec![
self.query_p.into_lua(lua)?,
self.radius_p.into_lua(lua)?,
self.query_q.into_lua(lua)?,
self.radius_q.into_lua(lua)?,
mlua::Value::Nil,
self.test_intersection.into_lua(lua)?,
]))
}
}
fn minimum_difference(
mesh:&MinkowskiMesh,
point:Planar64Vec3,
test_intersection:bool,
)->LuaResult<MinimumDifference>{
let ctx=init_lua()?;
// SAFETY: mesh lifetime must outlive args usages
let mesh=unsafe{core::mem::transmute(mesh)};
let args=Args::new(&ctx.lua,mesh,point,test_intersection)?;
ctx.f.call(args)
}
struct Ctx{
lua:Lua,
f:Function,
}
fn init_lua()->LuaResult<Ctx>{
static SOURCE:std::sync::LazyLock<String>=std::sync::LazyLock::new(||std::fs::read_to_string("Trey-MinimumDifference.lua").unwrap());
let lua=Lua::new();
lua.sandbox(true)?;
let lib_f=lua.load(SOURCE.as_str()).set_name("Trey-MinimumDifference").into_function()?;
let lib:mlua::Table=lib_f.call(())?;
let f=lib.raw_get("difference")?;
Ok(Ctx{lua,f})
}

View File

@@ -103,17 +103,21 @@ pub trait MeshQuery{
}
#[derive(Debug)]
struct FaceRefs{
// I didn't write it down, but I assume the edges are directed
// clockwise when looking towards the face normal, i.e. right hand rule.
edges:Vec<SubmeshDirectedEdgeId>,
//verts are redundant, use edge[i].verts[0]
//verts:Vec<VertId>,
}
#[derive(Debug)]
struct EdgeRefs{
faces:[SubmeshFaceId;2],//left, right
verts:[SubmeshVertId;2],//bottom, top
verts:[SubmeshVertId;2],//start, end
}
#[derive(Debug)]
struct VertRefs{
faces:Vec<SubmeshFaceId>,
// edges are always directed away from the vert
edges:Vec<SubmeshDirectedEdgeId>,
}
#[derive(Debug)]
@@ -641,8 +645,8 @@ pub enum MinkowskiFace{
#[derive(Debug)]
pub struct MinkowskiMesh<'a>{
mesh0:TransformedMesh<'a>,
mesh1:TransformedMesh<'a>,
pub mesh0:TransformedMesh<'a>,
pub mesh1:TransformedMesh<'a>,
}
pub type GigaTime=Ratio<Fixed<4,128>,Fixed<4,128>>;
@@ -672,8 +676,14 @@ impl MinkowskiMesh<'_>{
fev.crawl(self,relative_body,range.start_bound(),range.end_bound()).hit()
}
pub fn predict_collision_out(&self,relative_body:&Body,range:impl RangeBounds<Time>)->Option<(MinkowskiFace,GigaTime)>{
let fev=crate::minimum_difference::closest_fev_not_inside(self,relative_body.position)?;
let (lower_bound,upper_bound)=(range.start_bound(),range.end_bound());
// TODO: handle unbounded collision using infinity fev
let time=match upper_bound{
Bound::Included(&time)=>time,
Bound::Excluded(&time)=>time,
Bound::Unbounded=>unimplemented!("unbounded collision out"),
};
let fev=crate::minimum_difference::closest_fev_not_inside(self,relative_body.extrapolated_position(time))?;
// swap and negate bounds to do a time inversion
let (lower_bound,upper_bound)=(upper_bound.map(|&t|-t),lower_bound.map(|&t|-t));
let infinity_body=-relative_body;

View File

@@ -115,3 +115,48 @@ fn bug_3(){
assert_eq!(body.acceleration,vec3::int(0,0,0));
assert_eq!(body.time,Time::from_secs(2));
}
fn test_scene_cylinder()->PhysicsData{
let mut builder=TestSceneBuilder::new();
let cube_face_description=CubeFaceDescription::new(Default::default(),RenderConfigId::new(0));
let mesh=builder.push_mesh(strafesnet_rbx_loader::primitives::unit_cylinder(cube_face_description));
// place one 5x5x5 cylinder.
// log cylinder
// transform=PhysicsMeshTransform { vertex: Planar64Affine3 { matrix3: Matrix { array: [[-0.00000469, 20.41880000, -0.00001730], [-3.71969533, -0.00000d38, -11.c3c43095], [-11.c3c41e7d, 0.00000000, 3.719690ac]] }, translation: Vector { array: [-908.de600000, 28f.e5240000, 24c.c4d80000] } }, normal: Matrix { array: [[-0.00002d857e4861a0, 147.71af629e398c1d05, -0.0000ead3c8730458], [-6f.147da83887600000, -0.0001ab1b4486f8fc, -23d.04a89b8def680000], [-23d.04aae32fa55a8280, 0.0000018177694d73, 6f.147e3a4136524bf8]] }, det: 2942.07be40fdd83c96df87d34320 }
// wedge part
// transform=PhysicsMeshTransform { vertex: Planar64Affine3 { matrix3: Matrix { array: [[-4.9ba5b000, 0.00000000, 0.00000000], [0.00000000, 3.85509c00, 0.00000000], [0.00000000, 0.00000000, -4.9ba5b000]] }, translation: Vector { array: [-781.30380000, 35b.dab40000, 11c.a4160000] } }, normal: Matrix { array: [[-10.3941970ff7400000, 0.0000000000000000, 0.0000000000000000], [0.0000000000000000, 15.3bcf8e5c59000000, 0.0000000000000000], [0.0000000000000000, 0.0000000000000000, -10.3941970ff7400000]] }, det: 4a.c2312159fcd9163c00000000 }
builder.push_mesh_instance(mesh,Planar64Affine3::new(
mat3::Matrix3::from_cols([vec3::raw_array([-0x4_9ba5b000, 0x0_00000000, 0x0_00000000]), vec3::raw_array([0x0_00000000, 0x3_85509c00, 0x0_00000000]), vec3::raw_array([0x0_00000000, 0x0_00000000, -0x4_9ba5b000])]),
vec3::raw_array([-0x781_30380000, 0x35b_dab40000, 0x11c_a4160000])
));
builder.build()
}
#[test]
fn test_minimum_difference(){
let physics_data=test_scene_cylinder();
// log cylinder
// H p(-2329.436, 694.175, 587.190) v(0.000, -5.714, 0.000) a(0.000, -100.000, 0.000) t(56s+880000000ns)
// wedge part
// H p(-1920.041, 867.905, 284.639) v(0.000, -4.695, 0.000) a(0.000, -100.000, 0.000) t(119s+260000000ns)
let body=strafesnet_physics::physics::Body::new(
vec3::try_from_f32_array([-1920.041, 867.905, 284.639]).unwrap(),
vec3::try_from_f32_array([0.000, -4.695, 0.000]).unwrap(),
vec3::int(0,-100,0),
Time::ZERO,
);
let mut physics=PhysicsState::new_with_body(body);
physics.style_mut().gravity=vec3::zero();
let mut phys_iter=PhysicsContext::iter_internal(&mut physics,&physics_data,Time::from_secs(3))
.filter(|ins|!matches!(ins.instruction,InternalInstruction::StrafeTick));
// touch side of part at 0,0,0
assert_eq!(phys_iter.next().unwrap().time,Time::from_secs(1));
// touch top of part at 5,-5,0
assert_eq!(phys_iter.next().unwrap().time,Time::from_secs(2));
assert!(phys_iter.next().is_none());
let body=physics.body();
assert_eq!(body.position,vec3::int(5+2,0,0)>>1);
assert_eq!(body.velocity,vec3::int(0,0,0));
assert_eq!(body.acceleration,vec3::int(0,0,0));
assert_eq!(body.time,Time::from_secs(2));
}

View File

@@ -366,7 +366,7 @@ impl_additive_operator!( Fixed, BitXor, bitxor, Self );
// non-wide operators. The result is the same width as the inputs.
// This macro is not used in the default configuration.
#[allow(unused_macros)]
#[expect(unused_macros)]
macro_rules! impl_multiplicative_operator_not_const_generic {
( ($struct: ident, $trait: ident, $method: ident, $output: ty ), $width:expr ) => {
impl<const F:usize> core::ops::$trait for $struct<$width,F>{
@@ -545,7 +545,7 @@ impl_shift_operator!( Fixed, Shr, shr, Self );
// wide operators. The result width is the sum of the input widths, i.e. none of the multiplication
#[allow(unused_macros)]
#[expect(unused_macros)]
macro_rules! impl_wide_operators{
($lhs:expr,$rhs:expr)=>{
impl core::ops::Mul<Fixed<$rhs,{$rhs*32}>> for Fixed<$lhs,{$lhs*32}>{

View File

@@ -13,16 +13,16 @@ authors = ["Rhys Lloyd <krakow20@gmail.com>"]
bytemuck = "1.14.3"
glam = "0.30.0"
regex = { version = "1.11.3", default-features = false }
rbx_binary = { version = "1.0.1-sn5", registry = "strafesnet" }
rbx_dom_weak = { version = "3.0.1-sn5", registry = "strafesnet" }
rbx_mesh = "0.5.0"
rbx_reflection = "5.0.0"
rbx_reflection_database = "1.0.0"
rbx_xml = { version = "1.0.1-sn5", registry = "strafesnet" }
rbxassetid = { version = "0.1.0", path = "../rbxassetid", registry = "strafesnet" }
roblox_emulator = { version = "0.5.1", path = "../roblox_emulator", default-features = false, registry = "strafesnet" }
strafesnet_common = { version = "0.7.0", path = "../common", registry = "strafesnet" }
strafesnet_deferred_loader = { version = "0.5.1", path = "../deferred_loader", registry = "strafesnet" }
rbx_binary = "2.0.1"
rbx_dom_weak = "4.1.0"
rbx_reflection = "6.1.0"
rbx_reflection_database = "2.0.2"
rbx_xml = "2.0.1"
[lints]
workspace = true

View File

@@ -559,7 +559,7 @@ pub fn convert<'a>(
//just going to leave it like this for now instead of reworking the data structures for this whole thing
let textureless_render_group=render_config_deferred_loader.acquire_render_config_id(None);
let db=rbx_reflection_database::get();
let db=rbx_reflection_database::get().unwrap();
let basepart=&db.classes["BasePart"];
let baseparts=dom.descendants().filter(|&instance|
db.classes.get(instance.class.as_str()).is_some_and(|class|

View File

@@ -1,6 +1,6 @@
[package]
name = "roblox_emulator"
version = "0.5.1"
version = "0.5.2"
edition = "2024"
repository = "https://git.itzana.me/StrafesNET/strafe-project"
license = "MIT OR Apache-2.0"
@@ -15,10 +15,10 @@ run-service=[]
glam = "0.30.0"
mlua = { version = "0.11.3", features = ["luau"] }
phf = { version = "0.13.1", features = ["macros"] }
rbx_dom_weak = { version = "3.0.1-sn5", registry = "strafesnet" }
rbx_reflection = "5.0.0"
rbx_reflection_database = "1.0.0"
rbx_types = "2.0.0"
rbx_dom_weak = "4.1.0"
rbx_reflection = "6.1.0"
rbx_reflection_database = "2.0.2"
rbx_types = "3.1.0"
[lints]
workspace = true

View File

@@ -52,7 +52,7 @@ impl Context{
}
/// Creates an iterator over all items of a particular class.
pub fn superclass_iter<'a>(&'a self,superclass:&'a str)->impl Iterator<Item=Ref>+'a{
let db=rbx_reflection_database::get();
let db=rbx_reflection_database::get().unwrap();
let Some(superclass)=db.classes.get(superclass)else{
panic!("Invalid class");
};

View File

@@ -37,7 +37,7 @@ impl PartialEq for EnumItem<'_>{
pub struct Enums;
impl Enums{
pub fn get(&self,index:&str)->Option<EnumItems<'static>>{
let db=rbx_reflection_database::get();
let db=rbx_reflection_database::get().unwrap();
db.enums.get(index).map(|ed|EnumItems{ed})
}
}

View File

@@ -37,7 +37,7 @@ pub fn dom_mut<T>(lua:&mlua::Lua,mut f:impl FnMut(&mut WeakDom)->mlua::Result<T>
}
pub fn class_is_a(class:&str,superclass:&str)->bool{
let db=rbx_reflection_database::get();
let db=rbx_reflection_database::get().unwrap();
let (Some(class),Some(superclass))=(db.classes.get(class),db.classes.get(superclass))else{
return false;
};
@@ -80,14 +80,14 @@ pub fn find_first_descendant_of_class<'a>(dom:&'a WeakDom,instance:&rbx_dom_weak
}
pub fn find_first_child_which_is_a<'a>(dom:&'a WeakDom,instance:&rbx_dom_weak::Instance,superclass:&str)->Option<&'a rbx_dom_weak::Instance>{
let db=rbx_reflection_database::get();
let db=rbx_reflection_database::get().unwrap();
let superclass_descriptor=db.classes.get(superclass)?;
instance.children().iter().filter_map(|&r|dom.get_by_ref(r)).find(|inst|{
db.classes.get(inst.class.as_str()).is_some_and(|descriptor|db.has_superclass(descriptor,superclass_descriptor))
})
}
pub fn find_first_descendant_which_is_a<'a>(dom:&'a WeakDom,instance:&rbx_dom_weak::Instance,superclass:&str)->Option<&'a rbx_dom_weak::Instance>{
let db=rbx_reflection_database::get();
let db=rbx_reflection_database::get().unwrap();
let superclass_descriptor=db.classes.get(superclass)?;
dom.descendants_of(instance.referent()).find(|inst|{
db.classes.get(inst.class.as_str()).is_some_and(|descriptor|db.has_superclass(descriptor,superclass_descriptor))
@@ -282,7 +282,7 @@ impl mlua::UserData for Instance{
dom_mut(lua,|dom|{
let instance=this.get(dom)?;
//println!("__index t={} i={index:?}",instance.name);
let db=rbx_reflection_database::get();
let db=rbx_reflection_database::get().unwrap();
let class=db.classes.get(instance.class.as_str()).ok_or_else(||mlua::Error::runtime("Class missing"))?;
// Find existing property
// Interestingly, ustr can know ahead of time if
@@ -344,7 +344,7 @@ impl mlua::UserData for Instance{
let index_str=&*index.to_str()?;
dom_mut(lua,|dom|{
let instance=this.get_mut(dom)?;
let db=rbx_reflection_database::get();
let db=rbx_reflection_database::get().unwrap();
let class=db.classes.get(instance.class.as_str()).ok_or_else(||mlua::Error::runtime("Class missing"))?;
let property=db.superclasses_iter(class).find_map(|cls|
cls.properties.get(index_str)

View File

@@ -13,10 +13,10 @@ futures = "0.3.31"
image = "0.25.2"
image_dds = "0.7.1"
rbx_asset = { version = "0.5.0", registry = "strafesnet" }
rbx_binary = { version = "1.0.1-sn5", registry = "strafesnet" }
rbx_dom_weak = { version = "3.0.1-sn5", registry = "strafesnet" }
rbx_reflection_database = "1.0.0"
rbx_xml = { version = "1.0.1-sn5", registry = "strafesnet" }
rbx_binary = "2.0.1"
rbx_dom_weak = "4.1.0"
rbx_reflection_database = "2.0.2"
rbx_xml = "2.0.1"
rbxassetid = { version = "0.1.0", registry = "strafesnet" }
strafesnet_bsp_loader = { version = "0.3.1", path = "../lib/bsp_loader", registry = "strafesnet" }
strafesnet_deferred_loader = { version = "0.5.1", path = "../lib/deferred_loader", registry = "strafesnet" }

View File

@@ -28,7 +28,7 @@ strafesnet_rbx_loader = { path = "../lib/rbx_loader", registry = "strafesnet", o
strafesnet_session = { path = "../engine/session", registry = "strafesnet" }
strafesnet_settings = { path = "../engine/settings", registry = "strafesnet" }
strafesnet_snf = { path = "../lib/snf", registry = "strafesnet", optional = true }
wgpu = "27.0.0"
wgpu = "28.0.0"
winit = "0.30.7"
[profile.dev]

View File

@@ -52,7 +52,7 @@ impl<'a> SetupContextPartial2<'a>{
let required_features=required_features();
//no helper function smh gotta write it myself
let adapters=self.instance.enumerate_adapters(self.backends);
let adapters=pollster::block_on(self.instance.enumerate_adapters(self.backends));
let mut chosen_adapter=None;
let mut chosen_adapter_score=0;