Merge branch 'rbx_loader'

This commit is contained in:
Quaternions 2025-01-02 19:45:40 -08:00
commit be7ba54f7e
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"windows_i686_gnullvm",
"windows_i686_msvc",
"windows_x86_64_gnu",
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22
lib/rbx_loader/Cargo.toml Normal file
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[package]
name = "strafesnet_rbx_loader"
version = "0.5.2"
edition = "2021"
repository = "https://git.itzana.me/StrafesNET/rbx_loader"
license = "MIT OR Apache-2.0"
description = "Convert Roblox place and model files to StrafesNET data structures."
authors = ["Rhys Lloyd <krakow20@gmail.com>"]
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
bytemuck = "1.14.3"
glam = "0.29.0"
lazy-regex = "3.1.0"
rbx_binary = { version = "0.7.4", registry = "strafesnet" }
rbx_dom_weak = { version = "2.7.0", registry = "strafesnet" }
rbx_mesh = "0.1.2"
rbx_reflection_database = { version = "0.2.10", registry = "strafesnet" }
rbx_xml = { version = "0.13.3", registry = "strafesnet" }
roblox_emulator = { version = "0.4.0", registry = "strafesnet" }
strafesnet_common = { version = "0.5.1", registry = "strafesnet" }

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@ -0,0 +1,176 @@
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END OF TERMS AND CONDITIONS

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@ -0,0 +1,23 @@
Permission is hereby granted, free of charge, to any
person obtaining a copy of this software and associated
documentation files (the "Software"), to deal in the
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limitation the rights to use, copy, modify, merge,
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19
lib/rbx_loader/README.md Normal file
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@ -0,0 +1,19 @@
StrafesNET Roblox Loader
========================
## Convert Roblox files into StrafesNET data structures
#### License
<sup>
Licensed under either of <a href="LICENSE-APACHE">Apache License, Version
2.0</a> or <a href="LICENSE-MIT">MIT license</a> at your option.
</sup>
<br>
<sub>
Unless you explicitly state otherwise, any contribution intentionally submitted
for inclusion in this crate by you, as defined in the Apache-2.0 license, shall
be dual licensed as above, without any additional terms or conditions.
</sub>

107
lib/rbx_loader/src/lib.rs Normal file
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use std::io::Read;
use rbx_dom_weak::WeakDom;
mod rbx;
mod mesh;
mod primitives;
pub mod data{
pub struct RobloxMeshBytes(Vec<u8>);
impl RobloxMeshBytes{
pub fn new(bytes:Vec<u8>)->Self{
Self(bytes)
}
pub(crate) fn cursor(self)->std::io::Cursor<Vec<u8>>{
std::io::Cursor::new(self.0)
}
}
}
pub struct Model{
dom:WeakDom,
}
impl Model{
fn new(dom:WeakDom)->Self{
Self{dom}
}
pub fn into_place(self)->Place{
let Self{mut dom}=self;
let context=roblox_emulator::context::Context::from_mut(&mut dom);
let services=context.convert_into_place();
Place{dom,services}
}
}
impl AsRef<WeakDom> for Model{
fn as_ref(&self)->&WeakDom{
&self.dom
}
}
pub struct Place{
dom:WeakDom,
services:roblox_emulator::context::Services,
}
impl Place{
fn new(dom:WeakDom)->Option<Self>{
let context=roblox_emulator::context::Context::from_ref(&dom);
Some(Self{
services:context.find_services()?,
dom,
})
}
pub fn run_scripts(&mut self){
let Place{dom,services}=self;
let runner=roblox_emulator::runner::Runner::new().unwrap();
let context=roblox_emulator::context::Context::from_mut(dom);
let scripts=context.scripts();
let runnable=runner.runnable_context_with_services(context,services).unwrap();
for script in scripts{
if let Err(e)=runnable.run_script(script){
println!("runner error: {e}");
}
}
}
}
impl AsRef<WeakDom> for Place{
fn as_ref(&self)->&WeakDom{
&self.dom
}
}
#[derive(Debug)]
pub enum ReadError{
RbxBinary(rbx_binary::DecodeError),
RbxXml(rbx_xml::DecodeError),
Io(std::io::Error),
UnknownFileFormat,
}
impl std::fmt::Display for ReadError{
fn fmt(&self,f:&mut std::fmt::Formatter<'_>)->std::fmt::Result{
write!(f,"{self:?}")
}
}
impl std::error::Error for ReadError{}
pub fn read<R:Read>(input:R)->Result<Model,ReadError>{
let mut buf=std::io::BufReader::new(input);
let peek=std::io::BufRead::fill_buf(&mut buf).map_err(ReadError::Io)?;
match &peek[0..8]{
b"<roblox!"=>rbx_binary::from_reader(buf).map(Model::new).map_err(ReadError::RbxBinary),
b"<roblox "=>rbx_xml::from_reader_default(buf).map(Model::new).map_err(ReadError::RbxXml),
_=>Err(ReadError::UnknownFileFormat),
}
}
//ConvertError
pub fn convert<AcquireRenderConfigId,AcquireMeshId>(
dom:impl AsRef<WeakDom>,
acquire_render_config_id:AcquireRenderConfigId,
acquire_mesh_id:AcquireMeshId
)->rbx::PartialMap1
where
AcquireRenderConfigId:FnMut(Option<&str>)->strafesnet_common::model::RenderConfigId,
AcquireMeshId:FnMut(&str)->strafesnet_common::model::MeshId,
{
rbx::convert(&dom.as_ref(),acquire_render_config_id,acquire_mesh_id)
}

210
lib/rbx_loader/src/mesh.rs Normal file
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use std::collections::HashMap;
use rbx_mesh::mesh::{Vertex2, Vertex2Truncated};
use strafesnet_common::{integer::vec3,model::{self, ColorId, IndexedVertex, NormalId, PolygonGroup, PolygonList, PositionId, TextureCoordinateId, VertexId}};
#[derive(Debug)]
pub enum Error{
Planar64Vec3(strafesnet_common::integer::Planar64TryFromFloatError),
RbxMesh(rbx_mesh::mesh::Error)
}
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{}
fn ingest_vertices2<
AcquirePosId,
AcquireTexId,
AcquireNormalId,
AcquireColorId,
AcquireVertexId,
>(
vertices:Vec<Vertex2>,
acquire_pos_id:&mut AcquirePosId,
acquire_tex_id:&mut AcquireTexId,
acquire_normal_id:&mut AcquireNormalId,
acquire_color_id:&mut AcquireColorId,
acquire_vertex_id:&mut AcquireVertexId,
)->Result<HashMap<rbx_mesh::mesh::VertexId2,VertexId>,Error>
where
AcquirePosId:FnMut([f32;3])->Result<PositionId,Error>,
AcquireTexId:FnMut([f32;2])->TextureCoordinateId,
AcquireNormalId:FnMut([f32;3])->Result<NormalId,Error>,
AcquireColorId:FnMut([f32;4])->ColorId,
AcquireVertexId:FnMut(IndexedVertex)->VertexId,
{
//this monster is collecting a map of old_vertices_index -> unique_vertices_index
//while also doing the inserting unique entries into lists simultaneously
Ok(vertices.into_iter().enumerate().map(|(vertex_id,vertex)|Ok((
rbx_mesh::mesh::VertexId2(vertex_id as u32),
acquire_vertex_id(IndexedVertex{
pos:acquire_pos_id(vertex.pos)?,
tex:acquire_tex_id(vertex.tex),
normal:acquire_normal_id(vertex.norm)?,
color:acquire_color_id(vertex.color.map(|f|f as f32/255.0f32))
}),
))).collect::<Result<_,_>>()?)
}
fn ingest_vertices_truncated2<
AcquirePosId,
AcquireTexId,
AcquireNormalId,
AcquireVertexId,
>(
vertices:Vec<Vertex2Truncated>,
acquire_pos_id:&mut AcquirePosId,
acquire_tex_id:&mut AcquireTexId,
acquire_normal_id:&mut AcquireNormalId,
static_color_id:ColorId,//pick one color and fill everything with it
acquire_vertex_id:&mut AcquireVertexId,
)->Result<HashMap<rbx_mesh::mesh::VertexId2,VertexId>,Error>
where
AcquirePosId:FnMut([f32;3])->Result<PositionId,Error>,
AcquireTexId:FnMut([f32;2])->TextureCoordinateId,
AcquireNormalId:FnMut([f32;3])->Result<NormalId,Error>,
AcquireVertexId:FnMut(IndexedVertex)->VertexId,
{
//this monster is collecting a map of old_vertices_index -> unique_vertices_index
//while also doing the inserting unique entries into lists simultaneously
Ok(vertices.into_iter().enumerate().map(|(vertex_id,vertex)|Ok((
rbx_mesh::mesh::VertexId2(vertex_id as u32),
acquire_vertex_id(IndexedVertex{
pos:acquire_pos_id(vertex.pos)?,
tex:acquire_tex_id(vertex.tex),
normal:acquire_normal_id(vertex.norm)?,
color:static_color_id
}),
))).collect::<Result<_,_>>()?)
}
fn ingest_faces2_lods3(
polygon_groups:&mut Vec<PolygonGroup>,
vertex_id_map:&HashMap<rbx_mesh::mesh::VertexId2,VertexId>,
faces:&Vec<rbx_mesh::mesh::Face2>,
lods:&Vec<rbx_mesh::mesh::Lod3>
){
//faces have to be split into polygon groups based on lod
polygon_groups.extend(lods.windows(2).map(|lod_pair|
PolygonGroup::PolygonList(PolygonList::new(faces[lod_pair[0].0 as usize..lod_pair[1].0 as usize].iter().map(|face|
vec![vertex_id_map[&face.0],vertex_id_map[&face.1],vertex_id_map[&face.2]]
).collect()))
))
}
pub fn convert(roblox_mesh_bytes:crate::data::RobloxMeshBytes)->Result<model::Mesh,Error>{
//generate that mesh boi
let mut unique_pos=Vec::new();
let mut pos_id_from=HashMap::new();
let mut unique_tex=Vec::new();
let mut tex_id_from=HashMap::new();
let mut unique_normal=Vec::new();
let mut normal_id_from=HashMap::new();
let mut unique_color=Vec::new();
let mut color_id_from=HashMap::new();
let mut unique_vertices=Vec::new();
let mut vertex_id_from=HashMap::new();
let mut polygon_groups=Vec::new();
let mut acquire_pos_id=|pos|{
let p=vec3::try_from_f32_array(pos).map_err(Error::Planar64Vec3)?;
Ok(PositionId::new(*pos_id_from.entry(p).or_insert_with(||{
let pos_id=unique_pos.len();
unique_pos.push(p);
pos_id
}) as u32))
};
let mut acquire_tex_id=|tex|{
let h=bytemuck::cast::<[f32;2],[u32;2]>(tex);
TextureCoordinateId::new(*tex_id_from.entry(h).or_insert_with(||{
let tex_id=unique_tex.len();
unique_tex.push(glam::Vec2::from_array(tex));
tex_id
}) as u32)
};
let mut acquire_normal_id=|normal|{
let n=vec3::try_from_f32_array(normal).map_err(Error::Planar64Vec3)?;
Ok(NormalId::new(*normal_id_from.entry(n).or_insert_with(||{
let normal_id=unique_normal.len();
unique_normal.push(n);
normal_id
}) as u32))
};
let mut acquire_color_id=|color|{
let h=bytemuck::cast::<[f32;4],[u32;4]>(color);
ColorId::new(*color_id_from.entry(h).or_insert_with(||{
let color_id=unique_color.len();
unique_color.push(glam::Vec4::from_array(color));
color_id
}) as u32)
};
let mut acquire_vertex_id=|vertex:IndexedVertex|{
VertexId::new(*vertex_id_from.entry(vertex.clone()).or_insert_with(||{
let vertex_id=unique_vertices.len();
unique_vertices.push(vertex);
vertex_id
}) as u32)
};
match rbx_mesh::read_versioned(roblox_mesh_bytes.cursor()).map_err(Error::RbxMesh)?{
rbx_mesh::mesh::VersionedMesh::Version1(mesh)=>{
let color_id=acquire_color_id([1.0f32;4]);
polygon_groups.push(PolygonGroup::PolygonList(PolygonList::new(mesh.vertices.chunks_exact(3).map(|trip|{
let mut ingest_vertex1=|vertex:&rbx_mesh::mesh::Vertex1|Ok(acquire_vertex_id(IndexedVertex{
pos:acquire_pos_id(vertex.pos)?,
tex:acquire_tex_id([vertex.tex[0],vertex.tex[1]]),
normal:acquire_normal_id(vertex.norm)?,
color:color_id,
}));
Ok(vec![ingest_vertex1(&trip[0])?,ingest_vertex1(&trip[1])?,ingest_vertex1(&trip[2])?])
}).collect::<Result<_,_>>()?)));
},
rbx_mesh::mesh::VersionedMesh::Version2(mesh)=>{
let vertex_id_map=match mesh.header.sizeof_vertex{
rbx_mesh::mesh::SizeOfVertex2::Truncated=>{
//pick white and make all the vertices white
let color_id=acquire_color_id([1.0f32;4]);
ingest_vertices_truncated2(mesh.vertices_truncated,&mut acquire_pos_id,&mut acquire_tex_id,&mut acquire_normal_id,color_id,&mut acquire_vertex_id)
},
rbx_mesh::mesh::SizeOfVertex2::Full=>ingest_vertices2(mesh.vertices,&mut acquire_pos_id,&mut acquire_tex_id,&mut acquire_normal_id,&mut acquire_color_id,&mut acquire_vertex_id),
}?;
//one big happy group for all the faces
polygon_groups.push(PolygonGroup::PolygonList(PolygonList::new(mesh.faces.into_iter().map(|face|
vec![vertex_id_map[&face.0],vertex_id_map[&face.1],vertex_id_map[&face.2]]
).collect())));
},
rbx_mesh::mesh::VersionedMesh::Version3(mesh)=>{
let vertex_id_map=match mesh.header.sizeof_vertex{
rbx_mesh::mesh::SizeOfVertex2::Truncated=>{
let color_id=acquire_color_id([1.0f32;4]);
ingest_vertices_truncated2(mesh.vertices_truncated,&mut acquire_pos_id,&mut acquire_tex_id,&mut acquire_normal_id,color_id,&mut acquire_vertex_id)
},
rbx_mesh::mesh::SizeOfVertex2::Full=>ingest_vertices2(mesh.vertices,&mut acquire_pos_id,&mut acquire_tex_id,&mut acquire_normal_id,&mut acquire_color_id,&mut acquire_vertex_id),
}?;
ingest_faces2_lods3(&mut polygon_groups,&vertex_id_map,&mesh.faces,&mesh.lods);
},
rbx_mesh::mesh::VersionedMesh::Version4(mesh)=>{
let vertex_id_map=ingest_vertices2(
mesh.vertices,&mut acquire_pos_id,&mut acquire_tex_id,&mut acquire_normal_id,&mut acquire_color_id,&mut acquire_vertex_id
)?;
ingest_faces2_lods3(&mut polygon_groups,&vertex_id_map,&mesh.faces,&mesh.lods);
},
rbx_mesh::mesh::VersionedMesh::Version5(mesh)=>{
let vertex_id_map=ingest_vertices2(
mesh.vertices,&mut acquire_pos_id,&mut acquire_tex_id,&mut acquire_normal_id,&mut acquire_color_id,&mut acquire_vertex_id
)?;
ingest_faces2_lods3(&mut polygon_groups,&vertex_id_map,&mesh.faces,&mesh.lods);
},
}
Ok(model::Mesh{
unique_pos,
unique_normal,
unique_tex,
unique_color,
unique_vertices,
polygon_groups,
//these should probably be moved to the model...
graphics_groups:Vec::new(),
physics_groups:Vec::new(),
})
}

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@ -0,0 +1,510 @@
use strafesnet_common::model::{Color4,TextureCoordinate,Mesh,IndexedGraphicsGroup,IndexedPhysicsGroup,IndexedVertex,PolygonGroupId,PolygonGroup,PolygonList,IndexedVertexList,PositionId,TextureCoordinateId,NormalId,ColorId,VertexId,RenderConfigId};
use strafesnet_common::integer::{vec3,Planar64Vec3};
#[derive(Debug)]
pub enum Primitives{
Sphere,
Cube,
Cylinder,
Wedge,
CornerWedge,
}
#[derive(Hash,PartialEq,Eq)]
pub enum CubeFace{
Right,
Top,
Back,
Left,
Bottom,
Front,
}
const CUBE_DEFAULT_TEXTURE_COORDS:[TextureCoordinate;4]=[
TextureCoordinate::new(0.0,0.0),
TextureCoordinate::new(1.0,0.0),
TextureCoordinate::new(1.0,1.0),
TextureCoordinate::new(0.0,1.0),
];
const CUBE_DEFAULT_VERTICES:[Planar64Vec3;8]=[
vec3::int(-1,-1, 1),//0 left bottom back
vec3::int( 1,-1, 1),//1 right bottom back
vec3::int( 1, 1, 1),//2 right top back
vec3::int(-1, 1, 1),//3 left top back
vec3::int(-1, 1,-1),//4 left top front
vec3::int( 1, 1,-1),//5 right top front
vec3::int( 1,-1,-1),//6 right bottom front
vec3::int(-1,-1,-1),//7 left bottom front
];
const CUBE_DEFAULT_NORMALS:[Planar64Vec3;6]=[
vec3::int( 1, 0, 0),//CubeFace::Right
vec3::int( 0, 1, 0),//CubeFace::Top
vec3::int( 0, 0, 1),//CubeFace::Back
vec3::int(-1, 0, 0),//CubeFace::Left
vec3::int( 0,-1, 0),//CubeFace::Bottom
vec3::int( 0, 0,-1),//CubeFace::Front
];
const CUBE_DEFAULT_POLYS:[[[u32;3];4];6]=[
// right (1, 0, 0)
[
[6,2,0],//[vertex,tex,norm]
[5,1,0],
[2,0,0],
[1,3,0],
],
// top (0, 1, 0)
[
[5,3,1],
[4,2,1],
[3,1,1],
[2,0,1],
],
// back (0, 0, 1)
[
[0,3,2],
[1,2,2],
[2,1,2],
[3,0,2],
],
// left (-1, 0, 0)
[
[0,2,3],
[3,1,3],
[4,0,3],
[7,3,3],
],
// bottom (0,-1, 0)
[
[1,1,4],
[0,0,4],
[7,3,4],
[6,2,4],
],
// front (0, 0,-1)
[
[4,1,5],
[5,0,5],
[6,3,5],
[7,2,5],
],
];
#[derive(Hash,PartialEq,Eq)]
pub enum WedgeFace{
Right,
TopFront,
Back,
Left,
Bottom,
}
const WEDGE_DEFAULT_NORMALS:[Planar64Vec3;5]=[
vec3::int( 1, 0, 0),//Wedge::Right
vec3::int( 0, 1,-1),//Wedge::TopFront
vec3::int( 0, 0, 1),//Wedge::Back
vec3::int(-1, 0, 0),//Wedge::Left
vec3::int( 0,-1, 0),//Wedge::Bottom
];
/*
local cornerWedgeVerticies = {
Vector3.new(-1/2,-1/2,-1/2),7
Vector3.new(-1/2,-1/2, 1/2),0
Vector3.new( 1/2,-1/2,-1/2),6
Vector3.new( 1/2,-1/2, 1/2),1
Vector3.new( 1/2, 1/2,-1/2),5
}
*/
#[derive(Hash,PartialEq,Eq)]
pub enum CornerWedgeFace{
Right,
TopBack,
TopLeft,
Bottom,
Front,
}
const CORNERWEDGE_DEFAULT_NORMALS:[Planar64Vec3;5]=[
vec3::int( 1, 0, 0),//CornerWedge::Right
vec3::int( 0, 1, 1),//CornerWedge::BackTop
vec3::int(-1, 1, 0),//CornerWedge::LeftTop
vec3::int( 0,-1, 0),//CornerWedge::Bottom
vec3::int( 0, 0,-1),//CornerWedge::Front
];
pub fn unit_sphere(render:RenderConfigId)->Mesh{
unit_cube(render)
}
#[derive(Default)]
pub struct CubeFaceDescription([Option<FaceDescription>;6]);
impl CubeFaceDescription{
pub fn insert(&mut self,index:CubeFace,value:FaceDescription){
self.0[index as usize]=Some(value);
}
pub fn pairs(self)->std::iter::FilterMap<std::iter::Enumerate<std::array::IntoIter<Option<FaceDescription>,6>>,impl FnMut((usize,Option<FaceDescription>))->Option<(usize,FaceDescription)>>{
self.0.into_iter().enumerate().filter_map(|v|v.1.map(|u|(v.0,u)))
}
}
pub fn unit_cube(render:RenderConfigId)->Mesh{
let mut t=CubeFaceDescription::default();
t.insert(CubeFace::Right,FaceDescription::new_with_render_id(render));
t.insert(CubeFace::Top,FaceDescription::new_with_render_id(render));
t.insert(CubeFace::Back,FaceDescription::new_with_render_id(render));
t.insert(CubeFace::Left,FaceDescription::new_with_render_id(render));
t.insert(CubeFace::Bottom,FaceDescription::new_with_render_id(render));
t.insert(CubeFace::Front,FaceDescription::new_with_render_id(render));
generate_partial_unit_cube(t)
}
pub fn unit_cylinder(render:RenderConfigId)->Mesh{
//lmao
unit_cube(render)
}
#[derive(Default)]
pub struct WedgeFaceDescription([Option<FaceDescription>;5]);
impl WedgeFaceDescription{
pub fn insert(&mut self,index:WedgeFace,value:FaceDescription){
self.0[index as usize]=Some(value);
}
pub fn pairs(self)->std::iter::FilterMap<std::iter::Enumerate<std::array::IntoIter<Option<FaceDescription>,5>>,impl FnMut((usize,Option<FaceDescription>))->Option<(usize,FaceDescription)>>{
self.0.into_iter().enumerate().filter_map(|v|v.1.map(|u|(v.0,u)))
}
}
pub fn unit_wedge(render:RenderConfigId)->Mesh{
let mut t=WedgeFaceDescription::default();
t.insert(WedgeFace::Right,FaceDescription::new_with_render_id(render));
t.insert(WedgeFace::TopFront,FaceDescription::new_with_render_id(render));
t.insert(WedgeFace::Back,FaceDescription::new_with_render_id(render));
t.insert(WedgeFace::Left,FaceDescription::new_with_render_id(render));
t.insert(WedgeFace::Bottom,FaceDescription::new_with_render_id(render));
generate_partial_unit_wedge(t)
}
#[derive(Default)]
pub struct CornerWedgeFaceDescription([Option<FaceDescription>;5]);
impl CornerWedgeFaceDescription{
pub fn insert(&mut self,index:CornerWedgeFace,value:FaceDescription){
self.0[index as usize]=Some(value);
}
pub fn pairs(self)->std::iter::FilterMap<std::iter::Enumerate<std::array::IntoIter<Option<FaceDescription>,5>>,impl FnMut((usize,Option<FaceDescription>))->Option<(usize,FaceDescription)>>{
self.0.into_iter().enumerate().filter_map(|v|v.1.map(|u|(v.0,u)))
}
}
pub fn unit_cornerwedge(render:RenderConfigId)->Mesh{
let mut t=CornerWedgeFaceDescription::default();
t.insert(CornerWedgeFace::Right,FaceDescription::new_with_render_id(render));
t.insert(CornerWedgeFace::TopBack,FaceDescription::new_with_render_id(render));
t.insert(CornerWedgeFace::TopLeft,FaceDescription::new_with_render_id(render));
t.insert(CornerWedgeFace::Bottom,FaceDescription::new_with_render_id(render));
t.insert(CornerWedgeFace::Front,FaceDescription::new_with_render_id(render));
generate_partial_unit_cornerwedge(t)
}
#[derive(Clone)]
pub struct FaceDescription{
pub render:RenderConfigId,
pub transform:glam::Affine2,
pub color:Color4,
}
impl FaceDescription{
pub fn new_with_render_id(render:RenderConfigId)->Self {
Self{
render,
transform:glam::Affine2::IDENTITY,
color:Color4::new(1.0,1.0,1.0,0.0),//zero alpha to hide the default texture
}
}
}
pub fn generate_partial_unit_cube(face_descriptions:CubeFaceDescription)->Mesh{
let mut generated_pos=Vec::new();
let mut generated_tex=Vec::new();
let mut generated_normal=Vec::new();
let mut generated_color=Vec::new();
let mut generated_vertices=Vec::new();
let mut polygon_groups=Vec::new();
let mut graphics_groups=Vec::new();
let mut physics_group=IndexedPhysicsGroup::default();
let mut transforms=Vec::new();
//note that on a cube every vertex is guaranteed to be unique, so there's no need to hash them against existing vertices.
for (face_id,face_description) in face_descriptions.pairs(){
//assume that scanning short lists is faster than hashing.
let transform_index=if let Some(transform_index)=transforms.iter().position(|&transform|transform==face_description.transform){
transform_index
}else{
//create new transform_index
let transform_index=transforms.len();
transforms.push(face_description.transform);
generated_tex.extend(CUBE_DEFAULT_TEXTURE_COORDS.map(|tex|
face_description.transform.transform_point2(tex)
));
transform_index
} as u32;
let color_index=if let Some(color_index)=generated_color.iter().position(|&color|color==face_description.color){
color_index
}else{
//create new color_index
let color_index=generated_color.len();
generated_color.push(face_description.color);
color_index
} as u32;
//always push normal
let normal_index=generated_normal.len() as u32;
generated_normal.push(CUBE_DEFAULT_NORMALS[face_id]);
//push vertices as they are needed
let group_id=PolygonGroupId::new(polygon_groups.len() as u32);
polygon_groups.push(PolygonGroup::PolygonList(PolygonList::new(vec![
CUBE_DEFAULT_POLYS[face_id].map(|tup|{
let pos=CUBE_DEFAULT_VERTICES[tup[0] as usize];
let pos_index=if let Some(pos_index)=generated_pos.iter().position(|&p|p==pos){
pos_index
}else{
//create new pos_index
let pos_index=generated_pos.len();
generated_pos.push(pos);
pos_index
} as u32;
//always push vertex
let vertex=IndexedVertex{
pos:PositionId::new(pos_index),
tex:TextureCoordinateId::new(tup[1]+4*transform_index),
normal:NormalId::new(normal_index),
color:ColorId::new(color_index),
};
let vert_index=generated_vertices.len();
generated_vertices.push(vertex);
VertexId::new(vert_index as u32)
}).to_vec(),
])));
graphics_groups.push(IndexedGraphicsGroup{
render:face_description.render,
groups:vec![group_id],
});
physics_group.groups.push(group_id);
}
Mesh{
unique_pos:generated_pos,
unique_tex:generated_tex,
unique_normal:generated_normal,
unique_color:generated_color,
unique_vertices:generated_vertices,
polygon_groups,
graphics_groups,
physics_groups:vec![physics_group],
}
}
//don't think too hard about the copy paste because this is all going into the map tool eventually...
pub fn generate_partial_unit_wedge(face_descriptions:WedgeFaceDescription)->Mesh{
let wedge_default_polys=[
// right (1, 0, 0)
vec![
[6,2,0],//[vertex,tex,norm]
[2,0,0],
[1,3,0],
],
// FrontTop (0, 1, -1)
vec![
[3,1,1],
[2,0,1],
[6,3,1],
[7,2,1],
],
// back (0, 0, 1)
vec![
[0,3,2],
[1,2,2],
[2,1,2],
[3,0,2],
],
// left (-1, 0, 0)
vec![
[0,2,3],
[3,1,3],
[7,3,3],
],
// bottom (0,-1, 0)
vec![
[1,1,4],
[0,0,4],
[7,3,4],
[6,2,4],
],
];
let mut generated_pos=Vec::new();
let mut generated_tex=Vec::new();
let mut generated_normal=Vec::new();
let mut generated_color=Vec::new();
let mut generated_vertices=Vec::new();
let mut polygon_groups=Vec::new();
let mut graphics_groups=Vec::new();
let mut physics_group=IndexedPhysicsGroup::default();
let mut transforms=Vec::new();
//note that on a cube every vertex is guaranteed to be unique, so there's no need to hash them against existing vertices.
for (face_id,face_description) in face_descriptions.pairs(){
//assume that scanning short lists is faster than hashing.
let transform_index=if let Some(transform_index)=transforms.iter().position(|&transform|transform==face_description.transform){
transform_index
}else{
//create new transform_index
let transform_index=transforms.len();
transforms.push(face_description.transform);
generated_tex.extend(CUBE_DEFAULT_TEXTURE_COORDS.map(|tex|
face_description.transform.transform_point2(tex)
));
transform_index
} as u32;
let color_index=if let Some(color_index)=generated_color.iter().position(|&color|color==face_description.color){
color_index
}else{
//create new color_index
let color_index=generated_color.len();
generated_color.push(face_description.color);
color_index
} as u32;
//always push normal
let normal_index=generated_normal.len() as u32;
generated_normal.push(WEDGE_DEFAULT_NORMALS[face_id]);
//push vertices as they are needed
let group_id=PolygonGroupId::new(polygon_groups.len() as u32);
polygon_groups.push(PolygonGroup::PolygonList(PolygonList::new(vec![
wedge_default_polys[face_id].iter().map(|tup|{
let pos=CUBE_DEFAULT_VERTICES[tup[0] as usize];
let pos_index=if let Some(pos_index)=generated_pos.iter().position(|&p|p==pos){
pos_index
}else{
//create new pos_index
let pos_index=generated_pos.len();
generated_pos.push(pos);
pos_index
} as u32;
//always push vertex
let vertex=IndexedVertex{
pos:PositionId::new(pos_index),
tex:TextureCoordinateId::new(tup[1]+4*transform_index),
normal:NormalId::new(normal_index),
color:ColorId::new(color_index),
};
let vert_index=generated_vertices.len();
generated_vertices.push(vertex);
VertexId::new(vert_index as u32)
}).collect()
])));
graphics_groups.push(IndexedGraphicsGroup{
render:face_description.render,
groups:vec![group_id],
});
physics_group.groups.push(group_id);
}
Mesh{
unique_pos:generated_pos,
unique_tex:generated_tex,
unique_normal:generated_normal,
unique_color:generated_color,
unique_vertices:generated_vertices,
polygon_groups,
graphics_groups,
physics_groups:vec![physics_group],
}
}
pub fn generate_partial_unit_cornerwedge(face_descriptions:CornerWedgeFaceDescription)->Mesh{
let cornerwedge_default_polys=[
// right (1, 0, 0)
vec![
[6,2,0],//[vertex,tex,norm]
[5,1,0],
[1,3,0],
],
// BackTop (0, 1, 1)
vec![
[5,3,1],
[0,1,1],
[1,0,1],
],
// LeftTop (-1, 1, 0)
vec![
[5,3,2],
[7,2,2],
[0,1,2],
],
// bottom (0,-1, 0)
vec![
[1,1,3],
[0,0,3],
[7,3,3],
[6,2,3],
],
// front (0, 0,-1)
vec![
[5,0,4],
[6,3,4],
[7,2,4],
],
];
let mut generated_pos=Vec::new();
let mut generated_tex=Vec::new();
let mut generated_normal=Vec::new();
let mut generated_color=Vec::new();
let mut generated_vertices=Vec::new();
let mut polygon_groups=Vec::new();
let mut graphics_groups=Vec::new();
let mut physics_group=IndexedPhysicsGroup::default();
let mut transforms=Vec::new();
//note that on a cube every vertex is guaranteed to be unique, so there's no need to hash them against existing vertices.
for (face_id,face_description) in face_descriptions.pairs(){
//assume that scanning short lists is faster than hashing.
let transform_index=if let Some(transform_index)=transforms.iter().position(|&transform|transform==face_description.transform){
transform_index
}else{
//create new transform_index
let transform_index=transforms.len();
transforms.push(face_description.transform);
generated_tex.extend(CUBE_DEFAULT_TEXTURE_COORDS.map(|tex|
face_description.transform.transform_point2(tex)
));
transform_index
} as u32;
let color_index=if let Some(color_index)=generated_color.iter().position(|&color|color==face_description.color){
color_index
}else{
//create new color_index
let color_index=generated_color.len();
generated_color.push(face_description.color);
color_index
} as u32;
//always push normal
let normal_index=generated_normal.len() as u32;
generated_normal.push(CORNERWEDGE_DEFAULT_NORMALS[face_id]);
//push vertices as they are needed
let group_id=PolygonGroupId::new(polygon_groups.len() as u32);
polygon_groups.push(PolygonGroup::PolygonList(PolygonList::new(vec![
cornerwedge_default_polys[face_id].iter().map(|tup|{
let pos=CUBE_DEFAULT_VERTICES[tup[0] as usize];
let pos_index=if let Some(pos_index)=generated_pos.iter().position(|&p|p==pos){
pos_index
}else{
//create new pos_index
let pos_index=generated_pos.len();
generated_pos.push(pos);
pos_index
} as u32;
//always push vertex
let vertex=IndexedVertex{
pos:PositionId::new(pos_index),
tex:TextureCoordinateId::new(tup[1]+4*transform_index),
normal:NormalId::new(normal_index),
color:ColorId::new(color_index),
};
let vert_index=generated_vertices.len();
generated_vertices.push(vertex);
VertexId::new(vert_index as u32)
}).collect(),
])));
graphics_groups.push(IndexedGraphicsGroup{
render:face_description.render,
groups:vec![group_id],
});
physics_group.groups.push(group_id);
}
Mesh{
unique_pos:generated_pos,
unique_tex:generated_tex,
unique_normal:generated_normal,
unique_color:generated_color,
unique_vertices:generated_vertices,
polygon_groups,
graphics_groups,
physics_groups:vec![physics_group],
}
}

909
lib/rbx_loader/src/rbx.rs Normal file
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use std::collections::HashMap;
use crate::primitives;
use strafesnet_common::map;
use strafesnet_common::model;
use strafesnet_common::gameplay_modes;
use strafesnet_common::gameplay_style;
use strafesnet_common::gameplay_attributes as attr;
use strafesnet_common::integer::{self,vec3,Planar64,Planar64Vec3,Planar64Mat3,Planar64Affine3};
use strafesnet_common::model::RenderConfigId;
use strafesnet_common::updatable::Updatable;
fn class_is_a(class: &str, superclass: &str) -> bool {
if class==superclass {
return true
}
let class_descriptor=rbx_reflection_database::get().classes.get(class);
if let Some(descriptor) = &class_descriptor {
if let Some(class_super) = &descriptor.superclass {
return class_is_a(&class_super, superclass)
}
}
false
}
fn recursive_collect_superclass(objects: &mut std::vec::Vec<rbx_dom_weak::types::Ref>,dom: &rbx_dom_weak::WeakDom, instance: &rbx_dom_weak::Instance, superclass: &str){
let mut stack=vec![instance];
while let Some(item)=stack.pop(){
for &referent in item.children(){
if let Some(c)=dom.get_by_ref(referent){
if class_is_a(c.class.as_str(),superclass){
objects.push(c.referent());//copy ref
}
stack.push(c);
}
}
}
}
fn planar64_affine3_from_roblox(cf:&rbx_dom_weak::types::CFrame,size:&rbx_dom_weak::types::Vector3)->Planar64Affine3{
Planar64Affine3::new(
Planar64Mat3::from_cols([
vec3::try_from_f32_array([cf.orientation.x.x,cf.orientation.y.x,cf.orientation.z.x]).unwrap()
*integer::try_from_f32(size.x/2.0).unwrap(),
vec3::try_from_f32_array([cf.orientation.x.y,cf.orientation.y.y,cf.orientation.z.y]).unwrap()
*integer::try_from_f32(size.y/2.0).unwrap(),
vec3::try_from_f32_array([cf.orientation.x.z,cf.orientation.y.z,cf.orientation.z.z]).unwrap()
*integer::try_from_f32(size.z/2.0).unwrap(),
].map(|t|t.fix_1())),
vec3::try_from_f32_array([cf.position.x,cf.position.y,cf.position.z]).unwrap()
)
}
struct ModeBuilder{
mode:gameplay_modes::Mode,
final_stage_id_from_builder_stage_id:HashMap<gameplay_modes::StageId,gameplay_modes::StageId>,
}
#[derive(Default)]
struct ModesBuilder{
modes:HashMap<gameplay_modes::ModeId,gameplay_modes::Mode>,
stages:HashMap<gameplay_modes::ModeId,HashMap<gameplay_modes::StageId,gameplay_modes::Stage>>,
mode_updates:Vec<(gameplay_modes::ModeId,gameplay_modes::ModeUpdate)>,
stage_updates:Vec<(gameplay_modes::ModeId,gameplay_modes::StageId,gameplay_modes::StageUpdate)>,
}
impl ModesBuilder{
fn build(mut self)->gameplay_modes::Modes{
//collect modes and stages into contiguous arrays
let mut unique_modes:Vec<(gameplay_modes::ModeId,gameplay_modes::Mode)>
=self.modes.into_iter().collect();
unique_modes.sort_by_key(|&(mode_id,_)|mode_id);
let (mut modes,final_mode_id_from_builder_mode_id):(Vec<ModeBuilder>,HashMap<gameplay_modes::ModeId,gameplay_modes::ModeId>)
=unique_modes.into_iter().enumerate()
.map(|(final_mode_id,(builder_mode_id,mut mode))|{
(
ModeBuilder{
final_stage_id_from_builder_stage_id:self.stages.remove(&builder_mode_id).map_or_else(||HashMap::new(),|stages|{
let mut unique_stages:Vec<(gameplay_modes::StageId,gameplay_modes::Stage)>
=stages.into_iter().collect();
unique_stages.sort_by(|a,b|a.0.cmp(&b.0));
unique_stages.into_iter().enumerate()
.map(|(final_stage_id,(builder_stage_id,stage))|{
mode.push_stage(stage);
(builder_stage_id,gameplay_modes::StageId::new(final_stage_id as u32))
}).collect()
}),
mode,
},
(
builder_mode_id,
gameplay_modes::ModeId::new(final_mode_id as u32)
)
)
}).unzip();
//TODO: failure messages or errors or something
//push stage updates
for (builder_mode_id,builder_stage_id,stage_update) in self.stage_updates{
if let Some(final_mode_id)=final_mode_id_from_builder_mode_id.get(&builder_mode_id){
if let Some(mode)=modes.get_mut(final_mode_id.get() as usize){
if let Some(&final_stage_id)=mode.final_stage_id_from_builder_stage_id.get(&builder_stage_id){
if let Some(stage)=mode.mode.get_stage_mut(final_stage_id){
stage.update(stage_update);
}
}
}
}
}
//push mode updates
for (builder_mode_id,mut mode_update) in self.mode_updates{
if let Some(final_mode_id)=final_mode_id_from_builder_mode_id.get(&builder_mode_id){
if let Some(mode)=modes.get_mut(final_mode_id.get() as usize){
//map stage id on stage elements
mode_update.map_stage_element_ids(|stage_id|
//walk down one stage id at a time until a stage is found
//TODO use better logic like BTreeMap::upper_bound instead of walking
// final_stage_id_from_builder_stage_id.upper_bound(Bound::Included(&stage_id))
// .value().copied().unwrap_or(gameplay_modes::StageId::FIRST)
(0..=stage_id.get()).rev().find_map(|builder_stage_id|
//map the stage element to that stage
mode.final_stage_id_from_builder_stage_id.get(&gameplay_modes::StageId::new(builder_stage_id)).copied()
).unwrap_or(gameplay_modes::StageId::FIRST)
);
mode.mode.update(mode_update);
}
}
}
gameplay_modes::Modes::new(modes.into_iter().map(|mode_builder|mode_builder.mode).collect())
}
fn insert_mode(&mut self,mode_id:gameplay_modes::ModeId,mode:gameplay_modes::Mode){
assert!(self.modes.insert(mode_id,mode).is_none(),"Cannot replace existing mode");
}
fn insert_stage(&mut self,mode_id:gameplay_modes::ModeId,stage_id:gameplay_modes::StageId,stage:gameplay_modes::Stage){
assert!(self.stages.entry(mode_id).or_insert(HashMap::new()).insert(stage_id,stage).is_none(),"Cannot replace existing stage");
}
fn push_mode_update(&mut self,mode_id:gameplay_modes::ModeId,mode_update:gameplay_modes::ModeUpdate){
self.mode_updates.push((mode_id,mode_update));
}
fn push_stage_update(&mut self,mode_id:gameplay_modes::ModeId,stage_id:gameplay_modes::StageId,stage_update:gameplay_modes::StageUpdate){
self.stage_updates.push((mode_id,stage_id,stage_update));
}
}
fn get_attributes(name:&str,can_collide:bool,velocity:Planar64Vec3,model_id:model::ModelId,modes_builder:&mut ModesBuilder,wormhole_in_model_to_id:&mut HashMap<model::ModelId,u32>,wormhole_id_to_out_model:&mut HashMap<u32,model::ModelId>)->attr::CollisionAttributes{
let mut general=attr::GeneralAttributes::default();
let mut intersecting=attr::IntersectingAttributes::default();
let mut contacting=attr::ContactingAttributes::default();
let mut force_can_collide=can_collide;
let mut force_intersecting=false;
match name{
"Water"=>{
force_can_collide=false;
//TODO: read stupid CustomPhysicalProperties
intersecting.water=Some(attr::IntersectingWater{density:Planar64::ONE,viscosity:Planar64::ONE/10,velocity});
},
"Accelerator"=>{
//although the new game supports collidable accelerators, this is a roblox compatability map loader
force_can_collide=false;
general.accelerator=Some(attr::Accelerator{acceleration:velocity});
},
// "UnorderedCheckpoint"=>general.teleport_behaviour=Some(model::TeleportBehaviour::StageElement(attr::StageElement{
// mode_id:0,
// stage_id:0,
// force:false,
// behaviour:model::StageElementBehaviour::Unordered
// })),
"SetVelocity"=>general.trajectory=Some(attr::SetTrajectory::Velocity(velocity)),
"MapStart"=>{
force_can_collide=false;
force_intersecting=true;
modes_builder.insert_mode(
gameplay_modes::ModeId::MAIN,
gameplay_modes::Mode::empty(
gameplay_style::StyleModifiers::roblox_bhop(),
model_id
)
);
},
"MapFinish"=>{
force_can_collide=false;
force_intersecting=true;
modes_builder.push_mode_update(
gameplay_modes::ModeId::MAIN,
gameplay_modes::ModeUpdate::zone(
model_id,
gameplay_modes::Zone::Finish,
),
);
},
"MapAnticheat"=>{
force_can_collide=false;
force_intersecting=true;
modes_builder.push_mode_update(
gameplay_modes::ModeId::MAIN,
gameplay_modes::ModeUpdate::zone(
model_id,
gameplay_modes::Zone::Anticheat,
),
);
},
"Platform"=>{
modes_builder.push_mode_update(
gameplay_modes::ModeId::MAIN,
gameplay_modes::ModeUpdate::element(
model_id,
gameplay_modes::StageElement::new(gameplay_modes::StageId::FIRST,false,gameplay_modes::StageElementBehaviour::Platform,None),//roblox does not know which stage the platform belongs to
),
);
},
other=>{
let regman=lazy_regex::regex!(r"^(BonusStart|WormholeOut)(\d+)$");
if let Some(captures)=regman.captures(other){
match &captures[1]{
"BonusStart"=>{
force_can_collide=false;
force_intersecting=true;
modes_builder.insert_mode(
gameplay_modes::ModeId::new(captures[2].parse::<u32>().unwrap()),
gameplay_modes::Mode::empty(
gameplay_style::StyleModifiers::roblox_bhop(),
model_id
)
);
},
"WormholeOut"=>{
//the PhysicsModelId has to exist for it to be teleported to!
force_intersecting=true;
//this object is not special in strafe client, but the roblox mapping needs to be converted to model id
assert!(wormhole_id_to_out_model.insert(captures[2].parse::<u32>().unwrap(),model_id).is_none(),"Cannot have multiple WormholeOut with same id");
},
_=>(),
}
}else if let Some(captures)=lazy_regex::regex!(r"^(Force)?(Spawn|SpawnAt|Trigger|Teleport|Platform)(\d+)$")
.captures(other){
force_intersecting=true;
let stage_id=gameplay_modes::StageId::new(captures[3].parse::<u32>().unwrap());
let stage_element=gameplay_modes::StageElement::new(
//stage_id:
stage_id,
//force:
match captures.get(1){
Some(m)=>m.as_str()=="Force",
None=>false,
},
//behaviour:
match &captures[2]{
"Spawn"=>{
modes_builder.insert_stage(
gameplay_modes::ModeId::MAIN,
stage_id,
gameplay_modes::Stage::empty(model_id),
);
//TODO: let denormalize handle this
gameplay_modes::StageElementBehaviour::SpawnAt
},
"SpawnAt"=>gameplay_modes::StageElementBehaviour::SpawnAt,
//cancollide false so you don't hit the side
//NOT a decoration
"Trigger"=>{force_can_collide=false;gameplay_modes::StageElementBehaviour::Trigger},
"Teleport"=>{force_can_collide=false;gameplay_modes::StageElementBehaviour::Teleport},
"Platform"=>gameplay_modes::StageElementBehaviour::Platform,
_=>panic!("regex1[2] messed up bad"),
},
None
);
modes_builder.push_mode_update(
gameplay_modes::ModeId::MAIN,
gameplay_modes::ModeUpdate::element(
model_id,
stage_element,
),
);
}else if let Some(captures)=lazy_regex::regex!(r"^(Jump|WormholeIn)(\d+)$")
.captures(other){
match &captures[1]{
"Jump"=>modes_builder.push_mode_update(
gameplay_modes::ModeId::MAIN,
gameplay_modes::ModeUpdate::element(
model_id,
//jump_limit:
gameplay_modes::StageElement::new(
gameplay_modes::StageId::FIRST,
false,
gameplay_modes::StageElementBehaviour::Check,
Some(captures[2].parse::<u8>().unwrap())
)
),
),
"WormholeIn"=>{
force_can_collide=false;
force_intersecting=true;
assert!(wormhole_in_model_to_id.insert(model_id,captures[2].parse::<u32>().unwrap()).is_none(),"Impossible");
},
_=>panic!("regex2[1] messed up bad"),
}
}else if let Some(captures)=lazy_regex::regex!(r"^Bonus(Finish|Anticheat)(\d+)$")
.captures(other){
force_can_collide=false;
force_intersecting=true;
modes_builder.push_mode_update(
gameplay_modes::ModeId::new(captures[2].parse::<u32>().unwrap()),
gameplay_modes::ModeUpdate::zone(
model_id,
//zone:
match &captures[1]{
"Finish"=>gameplay_modes::Zone::Finish,
"Anticheat"=>gameplay_modes::Zone::Anticheat,
_=>panic!("regex3[1] messed up bad"),
},
),
);
}
// else if let Some(captures)=lazy_regex::regex!(r"^Stage(\d+)OrderedCheckpoint(\d+)$")
// .captures(other){
// match &captures[1]{
// "OrderedCheckpoint"=>modes_builder.push_stage_update(
// gameplay_modes::ModeId::MAIN,
// gameplay_modes::StageId::new(0),
// gameplay_modes::StageUpdate::ordered_checkpoint(captures[2].parse::<u32>().unwrap()),
// ),
// _=>panic!("regex3[1] messed up bad"),
// }
// }
}
}
//need some way to skip this
if velocity!=vec3::ZERO{
general.booster=Some(attr::Booster::Velocity(velocity));
}
match force_can_collide{
true=>{
match name{
"Bounce"=>contacting.contact_behaviour=Some(attr::ContactingBehaviour::Elastic(u32::MAX)),
"Surf"=>contacting.contact_behaviour=Some(attr::ContactingBehaviour::Surf),
"Ladder"=>contacting.contact_behaviour=Some(attr::ContactingBehaviour::Ladder(attr::ContactingLadder{sticky:true})),
_=>(),
}
attr::CollisionAttributes::Contact(attr::ContactAttributes{contacting,general})
},
false=>if force_intersecting
||general.any()
||intersecting.any()
{
attr::CollisionAttributes::Intersect(attr::IntersectAttributes{intersecting,general})
}else{
attr::CollisionAttributes::Decoration
},
}
}
#[derive(Clone,Copy,PartialEq)]
struct RobloxTextureTransform{
offset_u:f32,
offset_v:f32,
scale_u:f32,
scale_v:f32,
}
impl std::cmp::Eq for RobloxTextureTransform{}//????
impl std::default::Default for RobloxTextureTransform{
fn default()->Self{
Self{offset_u:0.0,offset_v:0.0,scale_u:1.0,scale_v:1.0}
}
}
impl std::hash::Hash for RobloxTextureTransform{
fn hash<H:std::hash::Hasher>(&self,state:&mut H) {
self.offset_u.to_ne_bytes().hash(state);
self.offset_v.to_ne_bytes().hash(state);
self.scale_u.to_ne_bytes().hash(state);
self.scale_v.to_ne_bytes().hash(state);
}
}
#[derive(Clone,PartialEq)]
struct RobloxFaceTextureDescription{
render:RenderConfigId,
color:glam::Vec4,
transform:RobloxTextureTransform,
}
impl std::cmp::Eq for RobloxFaceTextureDescription{}//????
impl std::hash::Hash for RobloxFaceTextureDescription{
fn hash<H:std::hash::Hasher>(&self,state:&mut H){
self.render.hash(state);
self.transform.hash(state);
for &el in self.color.as_ref().iter(){
el.to_ne_bytes().hash(state);
}
}
}
impl RobloxFaceTextureDescription{
fn to_face_description(&self)->primitives::FaceDescription{
primitives::FaceDescription{
render:self.render,
transform:glam::Affine2::from_translation(
glam::vec2(self.transform.offset_u,self.transform.offset_v)
)
*glam::Affine2::from_scale(
glam::vec2(self.transform.scale_u,self.transform.scale_v)
),
color:self.color,
}
}
}
type RobloxPartDescription=[Option<RobloxFaceTextureDescription>;6];
type RobloxWedgeDescription=[Option<RobloxFaceTextureDescription>;5];
type RobloxCornerWedgeDescription=[Option<RobloxFaceTextureDescription>;5];
#[derive(Clone,Eq,Hash,PartialEq)]
enum RobloxBasePartDescription{
Sphere(RobloxPartDescription),
Part(RobloxPartDescription),
Cylinder(RobloxPartDescription),
Wedge(RobloxWedgeDescription),
CornerWedge(RobloxCornerWedgeDescription),
}
enum Shape{
Primitive(primitives::Primitives),
MeshPart,
}
enum MeshAvailability{
Immediate,
Deferred(RenderConfigId),
}
struct DeferredModelDeferredAttributes{
render:RenderConfigId,
model:ModelDeferredAttributes,
}
struct ModelDeferredAttributes{
mesh:model::MeshId,
deferred_attributes:GetAttributesArgs,
color:model::Color4,//transparency is in here
transform:Planar64Affine3,
}
struct ModelOwnedAttributes{
mesh:model::MeshId,
attributes:attr::CollisionAttributes,
color:model::Color4,//transparency is in here
transform:Planar64Affine3,
}
struct GetAttributesArgs{
name:Box<str>,
can_collide:bool,
velocity:Planar64Vec3,
}
pub fn convert<AcquireRenderConfigId,AcquireMeshId>(
dom:&rbx_dom_weak::WeakDom,
mut acquire_render_config_id:AcquireRenderConfigId,
mut acquire_mesh_id:AcquireMeshId,
)->PartialMap1
where
AcquireRenderConfigId:FnMut(Option<&str>)->model::RenderConfigId,
AcquireMeshId:FnMut(&str)->model::MeshId,
{
let mut deferred_models_deferred_attributes=Vec::new();
let mut primitive_models_deferred_attributes=Vec::new();
let mut primitive_meshes=Vec::new();
let mut mesh_id_from_description=HashMap::new();
//just going to leave it like this for now instead of reworking the data structures for this whole thing
let textureless_render_group=acquire_render_config_id(None);
let mut object_refs=Vec::new();
let mut temp_objects=Vec::new();
recursive_collect_superclass(&mut object_refs, &dom, dom.root(),"BasePart");
for object_ref in object_refs {
if let Some(object)=dom.get_by_ref(object_ref){
if let (
Some(rbx_dom_weak::types::Variant::CFrame(cf)),
Some(rbx_dom_weak::types::Variant::Vector3(size)),
Some(rbx_dom_weak::types::Variant::Vector3(velocity)),
Some(rbx_dom_weak::types::Variant::Float32(transparency)),
Some(rbx_dom_weak::types::Variant::Color3uint8(color3)),
Some(rbx_dom_weak::types::Variant::Bool(can_collide)),
) = (
object.properties.get("CFrame"),
object.properties.get("Size"),
object.properties.get("Velocity"),
object.properties.get("Transparency"),
object.properties.get("Color"),
object.properties.get("CanCollide"),
)
{
let model_transform=planar64_affine3_from_roblox(cf,size);
if model_transform.matrix3.det().is_zero(){
let mut parent_ref=object.parent();
let mut full_path=object.name.clone();
while let Some(parent)=dom.get_by_ref(parent_ref){
full_path=format!("{}.{}",parent.name,full_path);
parent_ref=parent.parent();
}
println!("Zero determinant CFrame at location {}",full_path);
println!("matrix3:{}",model_transform.matrix3);
continue;
}
//at this point a new model is going to be generated for sure.
let model_id=model::ModelId::new(primitive_models_deferred_attributes.len() as u32);
//TODO: also detect "CylinderMesh" etc here
let shape=match object.class.as_str(){
"Part"=>if let Some(rbx_dom_weak::types::Variant::Enum(shape))=object.properties.get("Shape"){
Shape::Primitive(match shape.to_u32(){
0=>primitives::Primitives::Sphere,
1=>primitives::Primitives::Cube,
2=>primitives::Primitives::Cylinder,
3=>primitives::Primitives::Wedge,
4=>primitives::Primitives::CornerWedge,
other=>panic!("Funky roblox PartType={};",other),
})
}else{
panic!("Part has no Shape!");
},
"TrussPart"=>Shape::Primitive(primitives::Primitives::Cube),
"WedgePart"=>Shape::Primitive(primitives::Primitives::Wedge),
"CornerWedgePart"=>Shape::Primitive(primitives::Primitives::CornerWedge),
"MeshPart"=>Shape::MeshPart,
_=>{
println!("Unsupported BasePart ClassName={}; defaulting to cube",object.class);
Shape::Primitive(primitives::Primitives::Cube)
}
};
let (availability,mesh_id)=match shape{
Shape::Primitive(primitive_shape)=>{
//TODO: TAB TAB
//use the biggest one and cut it down later...
let mut part_texture_description:RobloxPartDescription=[None,None,None,None,None,None];
temp_objects.clear();
recursive_collect_superclass(&mut temp_objects, &dom, object,"Decal");
for &decal_ref in &temp_objects{
if let Some(decal)=dom.get_by_ref(decal_ref){
if let (
Some(rbx_dom_weak::types::Variant::Content(content)),
Some(rbx_dom_weak::types::Variant::Enum(normalid)),
Some(rbx_dom_weak::types::Variant::Color3(decal_color3)),
Some(rbx_dom_weak::types::Variant::Float32(decal_transparency)),
) = (
decal.properties.get("Texture"),
decal.properties.get("Face"),
decal.properties.get("Color3"),
decal.properties.get("Transparency"),
) {
let render_id=acquire_render_config_id(Some(content.as_ref()));
let normal_id=normalid.to_u32();
if normal_id<6{
let (roblox_texture_color,roblox_texture_transform)=if decal.class=="Texture"{
//generate tranform
if let (
Some(rbx_dom_weak::types::Variant::Float32(ox)),
Some(rbx_dom_weak::types::Variant::Float32(oy)),
Some(rbx_dom_weak::types::Variant::Float32(sx)),
Some(rbx_dom_weak::types::Variant::Float32(sy)),
) = (
decal.properties.get("OffsetStudsU"),
decal.properties.get("OffsetStudsV"),
decal.properties.get("StudsPerTileU"),
decal.properties.get("StudsPerTileV"),
)
{
let (size_u,size_v)=match normal_id{
0=>(size.z,size.y),//right
1=>(size.x,size.z),//top
2=>(size.x,size.y),//back
3=>(size.z,size.y),//left
4=>(size.x,size.z),//bottom
5=>(size.x,size.y),//front
_=>unreachable!(),
};
(
glam::vec4(decal_color3.r,decal_color3.g,decal_color3.b,1.0-*decal_transparency),
RobloxTextureTransform{
offset_u:*ox/(*sx),offset_v:*oy/(*sy),
scale_u:size_u/(*sx),scale_v:size_v/(*sy),
}
)
}else{
(glam::Vec4::ONE,RobloxTextureTransform::default())
}
}else{
(glam::Vec4::ONE,RobloxTextureTransform::default())
};
part_texture_description[normal_id as usize]=Some(RobloxFaceTextureDescription{
render:render_id,
color:roblox_texture_color,
transform:roblox_texture_transform,
});
}else{
println!("NormalId={} unsupported for shape={:?}",normal_id,primitive_shape);
}
}
}
}
//obscure rust syntax "slice pattern"
let [
f0,//Cube::Right
f1,//Cube::Top
f2,//Cube::Back
f3,//Cube::Left
f4,//Cube::Bottom
f5,//Cube::Front
]=part_texture_description;
let basepart_description=match primitive_shape{
primitives::Primitives::Sphere=>RobloxBasePartDescription::Sphere([f0,f1,f2,f3,f4,f5]),
primitives::Primitives::Cube=>RobloxBasePartDescription::Part([f0,f1,f2,f3,f4,f5]),
primitives::Primitives::Cylinder=>RobloxBasePartDescription::Cylinder([f0,f1,f2,f3,f4,f5]),
//use front face texture first and use top face texture as a fallback
primitives::Primitives::Wedge=>RobloxBasePartDescription::Wedge([
f0,//Cube::Right->Wedge::Right
if f5.is_some(){f5}else{f1},//Cube::Front|Cube::Top->Wedge::TopFront
f2,//Cube::Back->Wedge::Back
f3,//Cube::Left->Wedge::Left
f4,//Cube::Bottom->Wedge::Bottom
]),
//TODO: fix Left+Back texture coordinates to match roblox when not overwridden by Top
primitives::Primitives::CornerWedge=>RobloxBasePartDescription::CornerWedge([
f0,//Cube::Right->CornerWedge::Right
if f2.is_some(){f2}else{f1.clone()},//Cube::Back|Cube::Top->CornerWedge::TopBack
if f3.is_some(){f3}else{f1},//Cube::Left|Cube::Top->CornerWedge::TopLeft
f4,//Cube::Bottom->CornerWedge::Bottom
f5,//Cube::Front->CornerWedge::Front
]),
};
//make new model if unit cube has not been created before
let mesh_id=if let Some(&mesh_id)=mesh_id_from_description.get(&basepart_description){
//push to existing texture model
mesh_id
}else{
let mesh_id=model::MeshId::new(primitive_meshes.len() as u32);
mesh_id_from_description.insert(basepart_description.clone(),mesh_id);//borrow checker going crazy
let mesh=match basepart_description{
RobloxBasePartDescription::Sphere(part_texture_description)
|RobloxBasePartDescription::Cylinder(part_texture_description)
|RobloxBasePartDescription::Part(part_texture_description)=>{
let mut cube_face_description=primitives::CubeFaceDescription::default();
for (face_id,roblox_face_description) in part_texture_description.iter().enumerate(){
cube_face_description.insert(
match face_id{
0=>primitives::CubeFace::Right,
1=>primitives::CubeFace::Top,
2=>primitives::CubeFace::Back,
3=>primitives::CubeFace::Left,
4=>primitives::CubeFace::Bottom,
5=>primitives::CubeFace::Front,
_=>unreachable!(),
},
match roblox_face_description{
Some(roblox_texture_transform)=>roblox_texture_transform.to_face_description(),
None=>primitives::FaceDescription::new_with_render_id(textureless_render_group),
});
}
primitives::generate_partial_unit_cube(cube_face_description)
},
RobloxBasePartDescription::Wedge(wedge_texture_description)=>{
let mut wedge_face_description=primitives::WedgeFaceDescription::default();
for (face_id,roblox_face_description) in wedge_texture_description.iter().enumerate(){
wedge_face_description.insert(
match face_id{
0=>primitives::WedgeFace::Right,
1=>primitives::WedgeFace::TopFront,
2=>primitives::WedgeFace::Back,
3=>primitives::WedgeFace::Left,
4=>primitives::WedgeFace::Bottom,
_=>unreachable!(),
},
match roblox_face_description{
Some(roblox_texture_transform)=>roblox_texture_transform.to_face_description(),
None=>primitives::FaceDescription::new_with_render_id(textureless_render_group),
});
}
primitives::generate_partial_unit_wedge(wedge_face_description)
},
RobloxBasePartDescription::CornerWedge(cornerwedge_texture_description)=>{
let mut cornerwedge_face_description=primitives::CornerWedgeFaceDescription::default();
for (face_id,roblox_face_description) in cornerwedge_texture_description.iter().enumerate(){
cornerwedge_face_description.insert(
match face_id{
0=>primitives::CornerWedgeFace::Right,
1=>primitives::CornerWedgeFace::TopBack,
2=>primitives::CornerWedgeFace::TopLeft,
3=>primitives::CornerWedgeFace::Bottom,
4=>primitives::CornerWedgeFace::Front,
_=>unreachable!(),
},
match roblox_face_description{
Some(roblox_texture_transform)=>roblox_texture_transform.to_face_description(),
None=>primitives::FaceDescription::new_with_render_id(textureless_render_group),
});
}
primitives::generate_partial_unit_cornerwedge(cornerwedge_face_description)
},
};
primitive_meshes.push(mesh);
mesh_id
};
(MeshAvailability::Immediate,mesh_id)
},
Shape::MeshPart=>if let (
Some(rbx_dom_weak::types::Variant::Content(mesh_asset_id)),
Some(rbx_dom_weak::types::Variant::Content(texture_asset_id)),
)=(
object.properties.get("MeshId"),
object.properties.get("TextureID"),
){
(
MeshAvailability::Deferred(acquire_render_config_id(Some(texture_asset_id.as_ref()))),
acquire_mesh_id(mesh_asset_id.as_ref()),
)
}else{
panic!("Mesh has no Mesh or Texture");
},
};
let model_deferred_attributes=ModelDeferredAttributes{
mesh:mesh_id,
transform:model_transform,
color:glam::vec4(color3.r as f32/255f32, color3.g as f32/255f32, color3.b as f32/255f32, 1.0-*transparency),
deferred_attributes:GetAttributesArgs{
name:object.name.as_str().into(),
can_collide:*can_collide,
velocity:vec3::try_from_f32_array([velocity.x,velocity.y,velocity.z]).unwrap(),
},
};
match availability{
MeshAvailability::Immediate=>primitive_models_deferred_attributes.push(model_deferred_attributes),
MeshAvailability::Deferred(render)=>deferred_models_deferred_attributes.push(DeferredModelDeferredAttributes{
render,
model:model_deferred_attributes
}),
}
}
}
}
PartialMap1{
primitive_meshes,
primitive_models_deferred_attributes,
deferred_models_deferred_attributes,
}
}
struct MeshWithAabb{
mesh:model::Mesh,
aabb:strafesnet_common::aabb::Aabb,
}
pub struct PartialMap1{
primitive_meshes:Vec<model::Mesh>,
primitive_models_deferred_attributes:Vec<ModelDeferredAttributes>,
deferred_models_deferred_attributes:Vec<DeferredModelDeferredAttributes>,
}
impl PartialMap1{
pub fn add_meshpart_meshes_and_calculate_attributes(
mut self,
meshpart_meshes:impl IntoIterator<Item=(model::MeshId,crate::data::RobloxMeshBytes)>,
)->PartialMap2{
//calculate attributes
let mut modes_builder=ModesBuilder::default();
let mut unique_attributes=Vec::new();
let mut attributes_id_from_attributes=HashMap::new();
let mut wormhole_in_model_to_id=HashMap::new();
let mut wormhole_id_to_out_model=HashMap::new();
//decode roblox meshes
//generate mesh_id_map based on meshes that failed to load
let loaded_meshes:HashMap<model::MeshId,MeshWithAabb>=
meshpart_meshes.into_iter().flat_map(|(old_mesh_id,roblox_mesh_bytes)|
match crate::mesh::convert(roblox_mesh_bytes){
Ok(mesh)=>{
let mut aabb=strafesnet_common::aabb::Aabb::default();
for &pos in &mesh.unique_pos{
aabb.grow(pos);
}
Some((old_mesh_id,MeshWithAabb{
mesh,
aabb,
}))
},
Err(e)=>{
println!("Error converting mesh: {e:?}");
None
},
}
).collect();
let mut mesh_id_from_render_config_id=HashMap::new();
//ignore meshes that fail to load completely for now
let mut acquire_mesh_id_from_render_config_id=|old_mesh_id,render|{
loaded_meshes.get(&old_mesh_id).map(|mesh_with_aabb|(
*mesh_id_from_render_config_id.entry(old_mesh_id).or_insert_with(||HashMap::new())
.entry(render).or_insert_with(||{
let mesh_id=model::MeshId::new(self.primitive_meshes.len() as u32);
let mut mesh_clone=mesh_with_aabb.mesh.clone();
//add a render group lool
mesh_clone.graphics_groups.push(model::IndexedGraphicsGroup{
render,
//the lowest lod is highest quality
groups:vec![model::PolygonGroupId::new(0)]
});
self.primitive_meshes.push(mesh_clone);
mesh_id
}),
&mesh_with_aabb.aabb,
))
};
//now that the meshes are loaded, these models can be generated
let models_owned_attributes:Vec<ModelOwnedAttributes>=
self.deferred_models_deferred_attributes.into_iter().flat_map(|deferred_model_deferred_attributes|{
//meshes need to be cloned from loaded_meshes with a new id when they are used with a new render_id
//insert into primitive_meshes
let (mesh,aabb)=acquire_mesh_id_from_render_config_id(
deferred_model_deferred_attributes.model.mesh,
deferred_model_deferred_attributes.render
)?;
let size=aabb.size();
Some(ModelDeferredAttributes{
mesh,
deferred_attributes:deferred_model_deferred_attributes.model.deferred_attributes,
color:deferred_model_deferred_attributes.model.color,
transform:Planar64Affine3::new(
Planar64Mat3::from_cols([
(deferred_model_deferred_attributes.model.transform.matrix3.x_axis*2/size.x).divide().fix_1(),
(deferred_model_deferred_attributes.model.transform.matrix3.y_axis*2/size.y).divide().fix_1(),
(deferred_model_deferred_attributes.model.transform.matrix3.z_axis*2/size.z).divide().fix_1()
]),
deferred_model_deferred_attributes.model.transform.translation
),
})
}).chain(self.primitive_models_deferred_attributes.into_iter())
.enumerate().map(|(model_id,model_deferred_attributes)|{
let model_id=model::ModelId::new(model_id as u32);
ModelOwnedAttributes{
mesh:model_deferred_attributes.mesh,
attributes:get_attributes(
&model_deferred_attributes.deferred_attributes.name,
model_deferred_attributes.deferred_attributes.can_collide,
model_deferred_attributes.deferred_attributes.velocity,
model_id,
&mut modes_builder,
&mut wormhole_in_model_to_id,
&mut wormhole_id_to_out_model,
),
color:model_deferred_attributes.color,
transform:model_deferred_attributes.transform,
}
}).collect();
let models=models_owned_attributes.into_iter().enumerate().map(|(model_id,mut model_owned_attributes)|{
//TODO: TAB
let model_id=model::ModelId::new(model_id as u32);
//update attributes with wormhole id
//TODO: errors/prints
if let Some(wormhole_id)=wormhole_in_model_to_id.get(&model_id){
if let Some(&wormhole_out_model_id)=wormhole_id_to_out_model.get(wormhole_id){
match &mut model_owned_attributes.attributes{
attr::CollisionAttributes::Contact(attr::ContactAttributes{contacting:_,general})
|attr::CollisionAttributes::Intersect(attr::IntersectAttributes{intersecting:_,general})
=>general.wormhole=Some(attr::Wormhole{destination_model:wormhole_out_model_id}),
attr::CollisionAttributes::Decoration=>println!("Not a wormhole"),
}
}
}
//index the attributes
let attributes_id=if let Some(&attributes_id)=attributes_id_from_attributes.get(&model_owned_attributes.attributes){
attributes_id
}else{
let attributes_id=attr::CollisionAttributesId::new(unique_attributes.len() as u32);
attributes_id_from_attributes.insert(model_owned_attributes.attributes.clone(),attributes_id);
unique_attributes.push(model_owned_attributes.attributes);
attributes_id
};
model::Model{
mesh:model_owned_attributes.mesh,
transform:model_owned_attributes.transform,
color:model_owned_attributes.color,
attributes:attributes_id,
}
}).collect();
PartialMap2{
meshes:self.primitive_meshes,
models,
modes:modes_builder.build(),
attributes:unique_attributes,
}
}
}
pub struct PartialMap2{
meshes:Vec<model::Mesh>,
models:Vec<model::Model>,
modes:gameplay_modes::Modes,
attributes:Vec<strafesnet_common::gameplay_attributes::CollisionAttributes>,
}
impl PartialMap2{
pub fn add_render_configs_and_textures(
self,
render_configs:impl IntoIterator<Item=(model::RenderConfigId,model::RenderConfig)>,
textures:impl IntoIterator<Item=(model::TextureId,Vec<u8>)>,
)->map::CompleteMap{
let (textures,texture_id_map):(Vec<Vec<u8>>,HashMap<model::TextureId,model::TextureId>)
=textures.into_iter().enumerate().map(|(new_texture_id,(old_texture_id,texture))|{
(texture,(old_texture_id,model::TextureId::new(new_texture_id as u32)))
}).unzip();
let render_configs=render_configs.into_iter().map(|(render_config_id,mut render_config)|{
//this may generate duplicate no-texture render configs but idc
render_config.texture=render_config.texture.and_then(|texture_id|
texture_id_map.get(&texture_id).copied()
);
render_config
}).collect();
map::CompleteMap{
modes:self.modes,
attributes:self.attributes,
meshes:self.meshes,
models:self.models,
//the roblox legacy texture thing always works
textures,
render_configs,
}
}
}