Merge branch 'roblox_emulator'
This commit is contained in:
commit
0f8a7fbbbf
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lib/roblox_emulator/.gitignore
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21
lib/roblox_emulator/Cargo.toml
Normal file
21
lib/roblox_emulator/Cargo.toml
Normal file
@ -0,0 +1,21 @@
|
||||
[package]
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||||
name = "roblox_emulator"
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version = "0.4.7"
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repository = "https://git.itzana.me/StrafesNET/roblox_emulator"
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license = "MIT OR Apache-2.0"
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description = "Run embedded Luau scripts which manipulate the DOM."
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authors = ["Rhys Lloyd <krakow20@gmail.com>"]
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[features]
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rbx_types = { version = "1.10.0", registry = "strafesnet" }
|
||||
176
lib/roblox_emulator/LICENSE-APACHE
Normal file
176
lib/roblox_emulator/LICENSE-APACHE
Normal file
@ -0,0 +1,176 @@
|
||||
Apache License
|
||||
Version 2.0, January 2004
|
||||
http://www.apache.org/licenses/
|
||||
|
||||
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
|
||||
|
||||
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|
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|
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"License" shall mean the terms and conditions for use, reproduction,
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23
lib/roblox_emulator/LICENSE-MIT
Normal file
23
lib/roblox_emulator/LICENSE-MIT
Normal file
@ -0,0 +1,23 @@
|
||||
Permission is hereby granted, free of charge, to any
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|
||||
TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
|
||||
PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
|
||||
SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
|
||||
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
||||
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
|
||||
IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
||||
DEALINGS IN THE SOFTWARE.
|
||||
19
lib/roblox_emulator/README.md
Normal file
19
lib/roblox_emulator/README.md
Normal file
@ -0,0 +1,19 @@
|
||||
Roblox Emulator
|
||||
===============
|
||||
|
||||
## Run embedded Lua scripts which manipulate the DOM
|
||||
|
||||
#### 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>
|
||||
93
lib/roblox_emulator/src/context.rs
Normal file
93
lib/roblox_emulator/src/context.rs
Normal file
@ -0,0 +1,93 @@
|
||||
use rbx_dom_weak::{types::Ref,InstanceBuilder,WeakDom};
|
||||
|
||||
pub fn class_is_a(class:&str,superclass:&str)->bool{
|
||||
class==superclass
|
||||
||rbx_reflection_database::get().classes.get(class)
|
||||
.is_some_and(|descriptor|
|
||||
descriptor.superclass.as_ref().is_some_and(|class_super|
|
||||
class_is_a(class_super,superclass)
|
||||
)
|
||||
)
|
||||
}
|
||||
|
||||
#[repr(transparent)]
|
||||
pub struct Context{
|
||||
pub(crate)dom:WeakDom,
|
||||
}
|
||||
|
||||
impl Context{
|
||||
pub const fn new(dom:WeakDom)->Self{
|
||||
Self{dom}
|
||||
}
|
||||
pub fn script_singleton(source:String)->(Context,crate::runner::instance::Instance,Services){
|
||||
let script=InstanceBuilder::new("Script")
|
||||
.with_property("Source",rbx_types::Variant::String(source));
|
||||
let script_ref=script.referent();
|
||||
let mut context=Self::new(WeakDom::new(
|
||||
InstanceBuilder::new("DataModel")
|
||||
.with_child(script)
|
||||
));
|
||||
let services=context.convert_into_place();
|
||||
(context,crate::runner::instance::Instance::new(script_ref),services)
|
||||
}
|
||||
pub fn from_ref(dom:&WeakDom)->&Context{
|
||||
unsafe{&*(dom as *const WeakDom as *const Context)}
|
||||
}
|
||||
pub fn from_mut(dom:&mut WeakDom)->&mut Context{
|
||||
unsafe{&mut *(dom as *mut WeakDom as *mut 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{
|
||||
self.dom.descendants().filter(|&instance|
|
||||
class_is_a(instance.class.as_ref(),superclass)
|
||||
).map(|instance|instance.referent())
|
||||
}
|
||||
pub fn scripts(&self)->Vec<crate::runner::instance::Instance>{
|
||||
self.superclass_iter("LuaSourceContainer").map(crate::runner::instance::Instance::new).collect()
|
||||
}
|
||||
|
||||
pub fn find_services(&self)->Option<Services>{
|
||||
Some(Services{
|
||||
workspace:*self.dom.root().children().iter().find(|&&r|
|
||||
self.dom.get_by_ref(r).is_some_and(|instance|instance.class=="Workspace")
|
||||
)?,
|
||||
game:self.dom.root_ref(),
|
||||
})
|
||||
}
|
||||
pub fn convert_into_place(&mut self)->Services{
|
||||
//snapshot root instances
|
||||
let children=self.dom.root().children().to_owned();
|
||||
|
||||
//insert services
|
||||
let game=self.dom.root_ref();
|
||||
let terrain_bldr=InstanceBuilder::new("Terrain");
|
||||
let workspace=self.dom.insert(game,
|
||||
InstanceBuilder::new("Workspace")
|
||||
//Set Workspace.Terrain property equal to Terrain
|
||||
.with_property("Terrain",terrain_bldr.referent())
|
||||
.with_child(terrain_bldr)
|
||||
);
|
||||
{
|
||||
//Lowercase and upper case workspace property!
|
||||
let game=self.dom.root_mut();
|
||||
game.properties.insert("workspace".to_owned(),rbx_types::Variant::Ref(workspace));
|
||||
game.properties.insert("Workspace".to_owned(),rbx_types::Variant::Ref(workspace));
|
||||
}
|
||||
self.dom.insert(game,InstanceBuilder::new("Lighting"));
|
||||
|
||||
//transfer original root instances into workspace
|
||||
for instance in children{
|
||||
self.dom.transfer_within(instance,workspace);
|
||||
}
|
||||
|
||||
Services{
|
||||
game,
|
||||
workspace,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub struct Services{
|
||||
pub game:Ref,
|
||||
pub workspace:Ref,
|
||||
}
|
||||
7
lib/roblox_emulator/src/lib.rs
Normal file
7
lib/roblox_emulator/src/lib.rs
Normal file
@ -0,0 +1,7 @@
|
||||
pub mod runner;
|
||||
pub mod context;
|
||||
#[cfg(feature="run-service")]
|
||||
pub(crate) mod scheduler;
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests;
|
||||
174
lib/roblox_emulator/src/runner/cframe.rs
Normal file
174
lib/roblox_emulator/src/runner/cframe.rs
Normal file
@ -0,0 +1,174 @@
|
||||
use super::vector3::Vector3;
|
||||
|
||||
#[derive(Clone,Copy)]
|
||||
pub struct CFrame(pub(crate)glam::Affine3A);
|
||||
|
||||
impl CFrame{
|
||||
pub fn new(
|
||||
x:f32,y:f32,z:f32,
|
||||
xx:f32,yx:f32,zx:f32,
|
||||
xy:f32,yy:f32,zy:f32,
|
||||
xz:f32,yz:f32,zz:f32,
|
||||
)->Self{
|
||||
Self(glam::Affine3A::from_mat3_translation(
|
||||
glam::mat3(
|
||||
glam::vec3(xx,yx,zx),
|
||||
glam::vec3(xy,yy,zy),
|
||||
glam::vec3(xz,yz,zz)
|
||||
),
|
||||
glam::vec3(x,y,z)
|
||||
))
|
||||
}
|
||||
pub fn point(x:f32,y:f32,z:f32)->Self{
|
||||
Self(glam::Affine3A::from_translation(glam::vec3(x,y,z)))
|
||||
}
|
||||
pub fn angles(x:f32,y:f32,z:f32)->Self{
|
||||
Self(glam::Affine3A::from_mat3(glam::Mat3::from_euler(glam::EulerRot::YXZ,y,x,z)))
|
||||
}
|
||||
}
|
||||
|
||||
fn vec3_to_glam(v:glam::Vec3A)->rbx_types::Vector3{
|
||||
rbx_types::Vector3::new(v.x,v.y,v.z)
|
||||
}
|
||||
fn vec3_from_glam(v:rbx_types::Vector3)->glam::Vec3A{
|
||||
glam::vec3a(v.x,v.y,v.z)
|
||||
}
|
||||
|
||||
impl Into<rbx_types::CFrame> for CFrame{
|
||||
fn into(self)->rbx_types::CFrame{
|
||||
rbx_types::CFrame::new(
|
||||
vec3_to_glam(self.0.translation),
|
||||
rbx_types::Matrix3::new(
|
||||
vec3_to_glam(self.0.matrix3.x_axis),
|
||||
vec3_to_glam(self.0.matrix3.y_axis),
|
||||
vec3_to_glam(self.0.matrix3.z_axis),
|
||||
)
|
||||
)
|
||||
}
|
||||
}
|
||||
impl From<rbx_types::CFrame> for CFrame{
|
||||
fn from(value:rbx_types::CFrame)->Self{
|
||||
CFrame(glam::Affine3A{
|
||||
matrix3:glam::mat3a(
|
||||
vec3_from_glam(value.orientation.x),
|
||||
vec3_from_glam(value.orientation.y),
|
||||
vec3_from_glam(value.orientation.z),
|
||||
),
|
||||
translation:vec3_from_glam(value.position)
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
pub fn set_globals(lua:&mlua::Lua,globals:&mlua::Table)->Result<(),mlua::Error>{
|
||||
let cframe_table=lua.create_table()?;
|
||||
|
||||
//CFrame.new
|
||||
cframe_table.raw_set("new",
|
||||
lua.create_function(|_,tuple:(
|
||||
mlua::Value,mlua::Value,Option<f32>,
|
||||
Option<f32>,Option<f32>,Option<f32>,
|
||||
Option<f32>,Option<f32>,Option<f32>,
|
||||
Option<f32>,Option<f32>,Option<f32>,
|
||||
)|match tuple{
|
||||
//CFrame.new(pos)
|
||||
(
|
||||
mlua::Value::UserData(pos),mlua::Value::Nil,None,
|
||||
None,None,None,
|
||||
None,None,None,
|
||||
None,None,None,
|
||||
)=>{
|
||||
let pos:Vector3=pos.take()?;
|
||||
Ok(CFrame::point(pos.0.x,pos.0.y,pos.0.z))
|
||||
},
|
||||
//TODO: CFrame.new(pos,look)
|
||||
(
|
||||
mlua::Value::UserData(pos),mlua::Value::UserData(look),None,
|
||||
None,None,None,
|
||||
None,None,None,
|
||||
None,None,None,
|
||||
)=>{
|
||||
let _pos:Vector3=pos.take()?;
|
||||
let _look:Vector3=look.take()?;
|
||||
Err(mlua::Error::runtime("Not yet implemented"))
|
||||
},
|
||||
//CFrame.new(x,y,z)
|
||||
(
|
||||
mlua::Value::Number(x),mlua::Value::Number(y),Some(z),
|
||||
None,None,None,
|
||||
None,None,None,
|
||||
None,None,None,
|
||||
)=>Ok(CFrame::point(x as f32,y as f32,z)),
|
||||
//CFrame.new(x,y,z,xx,yx,zx,xy,yy,zy,xz,yz,zz)
|
||||
(
|
||||
mlua::Value::Number(x),mlua::Value::Number(y),Some(z),
|
||||
Some(xx),Some(yx),Some(zx),
|
||||
Some(xy),Some(yy),Some(zy),
|
||||
Some(xz),Some(yz),Some(zz),
|
||||
)=>Ok(CFrame::new(x as f32,y as f32,z,
|
||||
xx,yx,zx,
|
||||
xy,yy,zy,
|
||||
xz,yz,zz,
|
||||
)),
|
||||
_=>Err(mlua::Error::runtime("Invalid arguments"))
|
||||
})?
|
||||
)?;
|
||||
|
||||
//CFrame.Angles
|
||||
cframe_table.raw_set("Angles",
|
||||
lua.create_function(|_,(x,y,z):(f32,f32,f32)|
|
||||
Ok(CFrame::angles(x,y,z))
|
||||
)?
|
||||
)?;
|
||||
|
||||
globals.set("CFrame",cframe_table)?;
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
impl mlua::UserData for CFrame{
|
||||
fn add_fields<F:mlua::UserDataFields<Self>>(fields:&mut F){
|
||||
//CFrame.p
|
||||
fields.add_field_method_get("p",|_,this|Ok(Vector3(this.0.translation)));
|
||||
}
|
||||
|
||||
fn add_methods<M:mlua::UserDataMethods<Self>>(methods:&mut M){
|
||||
methods.add_method("components",|_,this,()|Ok((
|
||||
this.0.translation.x,
|
||||
this.0.translation.y,
|
||||
this.0.translation.z,
|
||||
this.0.matrix3.x_axis.x,
|
||||
this.0.matrix3.y_axis.x,
|
||||
this.0.matrix3.z_axis.x,
|
||||
this.0.matrix3.x_axis.y,
|
||||
this.0.matrix3.y_axis.y,
|
||||
this.0.matrix3.z_axis.y,
|
||||
this.0.matrix3.x_axis.z,
|
||||
this.0.matrix3.y_axis.z,
|
||||
this.0.matrix3.z_axis.z,
|
||||
)));
|
||||
methods.add_method("VectorToWorldSpace",|_,this,v:Vector3|
|
||||
Ok(Vector3(this.0.transform_vector3a(v.0)))
|
||||
);
|
||||
|
||||
//methods.add_meta_method(mlua::MetaMethod::Mul,|_,this,val:&Vector3|Ok(Vector3(this.0.matrix3*val.0+this.0.translation)));
|
||||
methods.add_meta_function(mlua::MetaMethod::Mul,|_,(this,val):(Self,Self)|Ok(Self(this.0*val.0)));
|
||||
methods.add_meta_function(mlua::MetaMethod::ToString,|_,this:Self|
|
||||
Ok(format!("CFrame.new({},{},{},{},{},{},{},{},{},{},{},{})",
|
||||
this.0.translation.x,
|
||||
this.0.translation.y,
|
||||
this.0.translation.z,
|
||||
this.0.matrix3.x_axis.x,
|
||||
this.0.matrix3.y_axis.x,
|
||||
this.0.matrix3.z_axis.x,
|
||||
this.0.matrix3.x_axis.y,
|
||||
this.0.matrix3.y_axis.y,
|
||||
this.0.matrix3.z_axis.y,
|
||||
this.0.matrix3.x_axis.z,
|
||||
this.0.matrix3.y_axis.z,
|
||||
this.0.matrix3.z_axis.z,
|
||||
))
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
type_from_lua_userdata!(CFrame);
|
||||
68
lib/roblox_emulator/src/runner/color3.rs
Normal file
68
lib/roblox_emulator/src/runner/color3.rs
Normal file
@ -0,0 +1,68 @@
|
||||
#[derive(Clone,Copy)]
|
||||
pub struct Color3{
|
||||
r:f32,
|
||||
g:f32,
|
||||
b:f32,
|
||||
}
|
||||
impl Color3{
|
||||
pub const fn new(r:f32,g:f32,b:f32)->Self{
|
||||
Self{r,g,b}
|
||||
}
|
||||
}
|
||||
impl Into<rbx_types::Color3> for Color3{
|
||||
fn into(self)->rbx_types::Color3{
|
||||
rbx_types::Color3::new(self.r,self.g,self.b)
|
||||
}
|
||||
}
|
||||
|
||||
pub fn set_globals(lua:&mlua::Lua,globals:&mlua::Table)->Result<(),mlua::Error>{
|
||||
let color3_table=lua.create_table()?;
|
||||
|
||||
color3_table.raw_set("new",
|
||||
lua.create_function(|_,(r,g,b):(f32,f32,f32)|
|
||||
Ok(Color3::new(r,g,b))
|
||||
)?
|
||||
)?;
|
||||
color3_table.raw_set("fromRGB",
|
||||
lua.create_function(|_,(r,g,b):(u8,u8,u8)|
|
||||
Ok(Color3::new(r as f32/255.0,g as f32/255.0,b as f32/255.0))
|
||||
)?
|
||||
)?;
|
||||
|
||||
globals.set("Color3",color3_table)?;
|
||||
|
||||
Ok(())
|
||||
}
|
||||
fn lerp(lhs:f32,rhs:f32,t:f32)->f32{
|
||||
lhs+(rhs-lhs)*t
|
||||
}
|
||||
|
||||
impl mlua::UserData for Color3{
|
||||
fn add_fields<F:mlua::UserDataFields<Self>>(fields:&mut F){
|
||||
fields.add_field_method_get("r",|_,this|Ok(this.r));
|
||||
fields.add_field_method_set("r",|_,this,val|{
|
||||
this.r=val;
|
||||
Ok(())
|
||||
});
|
||||
fields.add_field_method_get("g",|_,this|Ok(this.g));
|
||||
fields.add_field_method_set("g",|_,this,val|{
|
||||
this.g=val;
|
||||
Ok(())
|
||||
});
|
||||
fields.add_field_method_get("b",|_,this|Ok(this.b));
|
||||
fields.add_field_method_set("b",|_,this,val|{
|
||||
this.b=val;
|
||||
Ok(())
|
||||
});
|
||||
}
|
||||
fn add_methods<M:mlua::UserDataMethods<Self>>(methods:&mut M){
|
||||
methods.add_method("Lerp",|_,this,(other,t):(Self,f32)|
|
||||
Ok(Color3::new(
|
||||
lerp(this.r,other.r,t),
|
||||
lerp(this.g,other.g,t),
|
||||
lerp(this.b,other.b,t),
|
||||
))
|
||||
)
|
||||
}
|
||||
}
|
||||
type_from_lua_userdata!(Color3);
|
||||
31
lib/roblox_emulator/src/runner/color_sequence.rs
Normal file
31
lib/roblox_emulator/src/runner/color_sequence.rs
Normal file
@ -0,0 +1,31 @@
|
||||
#[derive(Clone,Copy)]
|
||||
pub struct ColorSequence{}
|
||||
impl ColorSequence{
|
||||
pub const fn new()->Self{
|
||||
Self{}
|
||||
}
|
||||
}
|
||||
impl Into<rbx_types::ColorSequence> for ColorSequence{
|
||||
fn into(self)->rbx_types::ColorSequence{
|
||||
rbx_types::ColorSequence{
|
||||
keypoints:Vec::new()
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub fn set_globals(lua:&mlua::Lua,globals:&mlua::Table)->Result<(),mlua::Error>{
|
||||
let number_sequence_table=lua.create_table()?;
|
||||
|
||||
number_sequence_table.raw_set("new",
|
||||
lua.create_function(|_,_:mlua::MultiValue|
|
||||
Ok(ColorSequence::new())
|
||||
)?
|
||||
)?;
|
||||
|
||||
globals.set("ColorSequence",number_sequence_table)?;
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
impl mlua::UserData for ColorSequence{}
|
||||
type_from_lua_userdata!(ColorSequence);
|
||||
63
lib/roblox_emulator/src/runner/enum.rs
Normal file
63
lib/roblox_emulator/src/runner/enum.rs
Normal file
@ -0,0 +1,63 @@
|
||||
use mlua::IntoLua;
|
||||
|
||||
#[derive(Clone,Copy)]
|
||||
pub struct Enum(u32);
|
||||
#[derive(Clone,Copy)]
|
||||
pub struct EnumItems;
|
||||
#[derive(Clone,Copy)]
|
||||
pub struct EnumItem<'a>{
|
||||
ed:&'a rbx_reflection::EnumDescriptor<'a>,
|
||||
}
|
||||
|
||||
impl Into<rbx_types::Enum> for Enum{
|
||||
fn into(self)->rbx_types::Enum{
|
||||
rbx_types::Enum::from_u32(self.0)
|
||||
}
|
||||
}
|
||||
|
||||
impl<'a> EnumItem<'a>{
|
||||
const fn new(ed:&'a rbx_reflection::EnumDescriptor)->Self{
|
||||
Self{ed}
|
||||
}
|
||||
}
|
||||
|
||||
pub fn set_globals(_lua:&mlua::Lua,globals:&mlua::Table)->Result<(),mlua::Error>{
|
||||
globals.set("Enum",EnumItems)
|
||||
}
|
||||
|
||||
impl mlua::UserData for EnumItem<'_>{
|
||||
fn add_fields<F:mlua::UserDataFields<Self>>(_fields:&mut F){
|
||||
}
|
||||
fn add_methods<M:mlua::UserDataMethods<Self>>(methods:&mut M){
|
||||
methods.add_meta_function(mlua::MetaMethod::Index,|lua,(this,val):(EnumItem<'_>,mlua::String)|{
|
||||
match this.ed.items.get(&*val.to_str()?){
|
||||
Some(&id)=>Enum(id).into_lua(lua),
|
||||
None=>mlua::Value::Nil.into_lua(lua),
|
||||
}
|
||||
});
|
||||
}
|
||||
}
|
||||
type_from_lua_userdata_lua_lifetime!(EnumItem);
|
||||
|
||||
impl mlua::UserData for EnumItems{
|
||||
fn add_fields<F:mlua::UserDataFields<Self>>(_fields:&mut F){
|
||||
}
|
||||
fn add_methods<M:mlua::UserDataMethods<Self>>(methods:&mut M){
|
||||
methods.add_meta_function(mlua::MetaMethod::Index,|lua,(_,val):(Self,mlua::String)|{
|
||||
let db=rbx_reflection_database::get();
|
||||
match db.enums.get(&*val.to_str()?){
|
||||
Some(ed)=>EnumItem::new(ed).into_lua(lua),
|
||||
None=>mlua::Value::Nil.into_lua(lua),
|
||||
}
|
||||
});
|
||||
}
|
||||
}
|
||||
type_from_lua_userdata!(EnumItems);
|
||||
|
||||
impl mlua::UserData for Enum{
|
||||
fn add_fields<F:mlua::UserDataFields<Self>>(_fields:&mut F){
|
||||
}
|
||||
fn add_methods<M:mlua::UserDataMethods<Self>>(_methods:&mut M){
|
||||
}
|
||||
}
|
||||
type_from_lua_userdata!(Enum);
|
||||
557
lib/roblox_emulator/src/runner/instance/instance.rs
Normal file
557
lib/roblox_emulator/src/runner/instance/instance.rs
Normal file
@ -0,0 +1,557 @@
|
||||
use std::collections::{hash_map::Entry,HashMap};
|
||||
|
||||
use mlua::{FromLua,FromLuaMulti,IntoLua,IntoLuaMulti};
|
||||
use rbx_types::Ref;
|
||||
use rbx_dom_weak::{InstanceBuilder,WeakDom};
|
||||
|
||||
use crate::runner::vector3::Vector3;
|
||||
|
||||
pub fn set_globals(lua:&mlua::Lua,globals:&mlua::Table)->Result<(),mlua::Error>{
|
||||
//class functions store
|
||||
lua.set_app_data(ClassMethodsStore::default());
|
||||
lua.set_app_data(InstanceValueStore::default());
|
||||
|
||||
let instance_table=lua.create_table()?;
|
||||
|
||||
//Instance.new
|
||||
instance_table.raw_set("new",
|
||||
lua.create_function(|lua,(class_name,parent):(mlua::String,Option<Instance>)|{
|
||||
let class_name_str=&*class_name.to_str()?;
|
||||
let parent=parent.ok_or_else(||mlua::Error::runtime("Nil Parent not yet supported"))?;
|
||||
dom_mut(lua,|dom|{
|
||||
//TODO: Nil instances
|
||||
Ok(Instance::new(dom.insert(parent.referent,InstanceBuilder::new(class_name_str))))
|
||||
})
|
||||
})?
|
||||
)?;
|
||||
|
||||
globals.set("Instance",instance_table)?;
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
// LMAO look at this function!
|
||||
pub fn dom_mut<T>(lua:&mlua::Lua,mut f:impl FnMut(&mut WeakDom)->mlua::Result<T>)->mlua::Result<T>{
|
||||
let mut dom=lua.app_data_mut::<&'static mut WeakDom>().ok_or_else(||mlua::Error::runtime("DataModel missing"))?;
|
||||
f(&mut *dom)
|
||||
}
|
||||
|
||||
fn coerce_float32(value:&mlua::Value)->Option<f32>{
|
||||
match value{
|
||||
&mlua::Value::Integer(i)=>Some(i as f32),
|
||||
&mlua::Value::Number(f)=>Some(f as f32),
|
||||
_=>None,
|
||||
}
|
||||
}
|
||||
|
||||
fn get_full_name(dom:&rbx_dom_weak::WeakDom,instance:&rbx_dom_weak::Instance)->String{
|
||||
let mut full_name=instance.name.clone();
|
||||
let mut pref=instance.parent();
|
||||
while let Some(parent)=dom.get_by_ref(pref){
|
||||
full_name.insert(0,'.');
|
||||
full_name.insert_str(0,parent.name.as_str());
|
||||
pref=parent.parent();
|
||||
}
|
||||
full_name
|
||||
}
|
||||
//helper function for script
|
||||
pub fn get_name_source(lua:&mlua::Lua,script:Instance)->Result<(String,String),mlua::Error>{
|
||||
dom_mut(lua,|dom|{
|
||||
let instance=script.get(dom)?;
|
||||
let source=match instance.properties.get("Source"){
|
||||
Some(rbx_dom_weak::types::Variant::String(s))=>s.clone(),
|
||||
_=>Err(mlua::Error::external("Missing script.Source"))?,
|
||||
};
|
||||
Ok((get_full_name(dom,instance),source))
|
||||
})
|
||||
}
|
||||
|
||||
pub fn find_first_child<'a>(dom:&'a rbx_dom_weak::WeakDom,instance:&rbx_dom_weak::Instance,name:&str)->Option<&'a rbx_dom_weak::Instance>{
|
||||
instance.children().iter().filter_map(|&r|dom.get_by_ref(r)).find(|inst|inst.name==name)
|
||||
}
|
||||
pub fn find_first_descendant<'a>(dom:&'a rbx_dom_weak::WeakDom,instance:&rbx_dom_weak::Instance,name:&str)->Option<&'a rbx_dom_weak::Instance>{
|
||||
dom.descendants_of(instance.referent()).find(|&inst|inst.name==name)
|
||||
}
|
||||
|
||||
pub fn find_first_child_of_class<'a>(dom:&'a rbx_dom_weak::WeakDom,instance:&rbx_dom_weak::Instance,class:&str)->Option<&'a rbx_dom_weak::Instance>{
|
||||
instance.children().iter().filter_map(|&r|dom.get_by_ref(r)).find(|inst|inst.class==class)
|
||||
}
|
||||
pub fn find_first_descendant_of_class<'a>(dom:&'a rbx_dom_weak::WeakDom,instance:&rbx_dom_weak::Instance,class:&str)->Option<&'a rbx_dom_weak::Instance>{
|
||||
dom.descendants_of(instance.referent()).find(|&inst|inst.class==class)
|
||||
}
|
||||
|
||||
#[derive(Clone,Copy)]
|
||||
pub struct Instance{
|
||||
referent:Ref,
|
||||
}
|
||||
impl Instance{
|
||||
pub const fn new(referent:Ref)->Self{
|
||||
Self{referent}
|
||||
}
|
||||
pub fn get<'a>(&self,dom:&'a WeakDom)->mlua::Result<&'a rbx_dom_weak::Instance>{
|
||||
dom.get_by_ref(self.referent).ok_or_else(||mlua::Error::runtime("Instance missing"))
|
||||
}
|
||||
pub fn get_mut<'a>(&self,dom:&'a mut WeakDom)->mlua::Result<&'a mut rbx_dom_weak::Instance>{
|
||||
dom.get_by_ref_mut(self.referent).ok_or_else(||mlua::Error::runtime("Instance missing"))
|
||||
}
|
||||
}
|
||||
type_from_lua_userdata!(Instance);
|
||||
|
||||
//TODO: update rbx_reflection and use dom.superclasses_iter
|
||||
pub struct SuperClassIter<'a> {
|
||||
database: &'a rbx_reflection::ReflectionDatabase<'a>,
|
||||
descriptor: Option<&'a rbx_reflection::ClassDescriptor<'a>>,
|
||||
}
|
||||
impl<'a> SuperClassIter<'a> {
|
||||
fn next_descriptor(&self) -> Option<&'a rbx_reflection::ClassDescriptor<'a>> {
|
||||
let superclass = self.descriptor?.superclass.as_ref()?;
|
||||
self.database.classes.get(superclass)
|
||||
}
|
||||
}
|
||||
impl<'a> Iterator for SuperClassIter<'a> {
|
||||
type Item = &'a rbx_reflection::ClassDescriptor<'a>;
|
||||
fn next(&mut self) -> Option<Self::Item> {
|
||||
let next_descriptor = self.next_descriptor();
|
||||
std::mem::replace(&mut self.descriptor, next_descriptor)
|
||||
}
|
||||
}
|
||||
|
||||
impl mlua::UserData for Instance{
|
||||
fn add_fields<F:mlua::UserDataFields<Self>>(fields:&mut F){
|
||||
fields.add_field_method_get("Parent",|lua,this|{
|
||||
dom_mut(lua,|dom|{
|
||||
let instance=this.get(dom)?;
|
||||
Ok(Instance::new(instance.parent()))
|
||||
})
|
||||
});
|
||||
fields.add_field_method_set("Parent",|lua,this,val:Option<Instance>|{
|
||||
let parent=val.ok_or_else(||mlua::Error::runtime("Nil Parent not yet supported"))?;
|
||||
dom_mut(lua,|dom|{
|
||||
dom.transfer_within(this.referent,parent.referent);
|
||||
Ok(())
|
||||
})
|
||||
});
|
||||
fields.add_field_method_get("Name",|lua,this|{
|
||||
dom_mut(lua,|dom|{
|
||||
let instance=this.get(dom)?;
|
||||
Ok(instance.name.clone())
|
||||
})
|
||||
});
|
||||
fields.add_field_method_set("Name",|lua,this,val:mlua::String|{
|
||||
dom_mut(lua,|dom|{
|
||||
let instance=this.get_mut(dom)?;
|
||||
//Why does this need to be cloned?
|
||||
instance.name=val.to_str()?.to_owned();
|
||||
Ok(())
|
||||
})
|
||||
});
|
||||
fields.add_field_method_get("ClassName",|lua,this|{
|
||||
dom_mut(lua,|dom|{
|
||||
let instance=this.get(dom)?;
|
||||
Ok(instance.class.clone())
|
||||
})
|
||||
});
|
||||
}
|
||||
fn add_methods<M:mlua::UserDataMethods<Self>>(methods:&mut M){
|
||||
methods.add_method("GetChildren",|lua,this,_:()|
|
||||
dom_mut(lua,|dom|{
|
||||
let instance=this.get(dom)?;
|
||||
let children:Vec<_>=instance
|
||||
.children()
|
||||
.iter()
|
||||
.copied()
|
||||
.map(Instance::new)
|
||||
.collect();
|
||||
Ok(children)
|
||||
})
|
||||
);
|
||||
fn ffc(lua:&mlua::Lua,this:&Instance,(name,search_descendants):(mlua::String,Option<bool>))->mlua::Result<Option<Instance>>{
|
||||
let name_str=&*name.to_str()?;
|
||||
dom_mut(lua,|dom|{
|
||||
let instance=this.get(dom)?;
|
||||
Ok(
|
||||
match search_descendants.unwrap_or(false){
|
||||
true=>find_first_descendant(dom,instance,name_str),
|
||||
false=>find_first_child(dom,instance,name_str),
|
||||
}
|
||||
.map(|instance|
|
||||
Instance::new(instance.referent())
|
||||
)
|
||||
)
|
||||
})
|
||||
}
|
||||
methods.add_method("FindFirstChild",ffc);
|
||||
methods.add_method("WaitForChild",ffc);
|
||||
methods.add_method("FindFirstChildOfClass",|lua,this,(class,search_descendants):(mlua::String,Option<bool>)|{
|
||||
let class_str=&*class.to_str()?;
|
||||
dom_mut(lua,|dom|{
|
||||
Ok(
|
||||
match search_descendants.unwrap_or(false){
|
||||
true=>find_first_descendant_of_class(dom,this.get(dom)?,class_str),
|
||||
false=>find_first_child_of_class(dom,this.get(dom)?,class_str),
|
||||
}
|
||||
.map(|instance|
|
||||
Instance::new(instance.referent())
|
||||
)
|
||||
)
|
||||
})
|
||||
});
|
||||
methods.add_method("GetDescendants",|lua,this,_:()|
|
||||
dom_mut(lua,|dom|{
|
||||
let children:Vec<_>=dom
|
||||
.descendants_of(this.referent)
|
||||
.map(|instance|
|
||||
Instance::new(instance.referent())
|
||||
)
|
||||
.collect();
|
||||
Ok(children)
|
||||
})
|
||||
);
|
||||
methods.add_method("IsA",|lua,this,classname:mlua::String|
|
||||
dom_mut(lua,|dom|{
|
||||
let instance=this.get(dom)?;
|
||||
Ok(crate::context::class_is_a(instance.class.as_str(),&*classname.to_str()?))
|
||||
})
|
||||
);
|
||||
methods.add_method("Destroy",|lua,this,()|
|
||||
dom_mut(lua,|dom|{
|
||||
dom.destroy(this.referent);
|
||||
Ok(())
|
||||
})
|
||||
);
|
||||
methods.add_meta_function(mlua::MetaMethod::ToString,|lua,this:Instance|{
|
||||
dom_mut(lua,|dom|{
|
||||
let instance=this.get(dom)?;
|
||||
Ok(instance.name.clone())
|
||||
})
|
||||
});
|
||||
methods.add_meta_function(mlua::MetaMethod::Index,|lua,(this,index):(Instance,mlua::String)|{
|
||||
let index_str=&*index.to_str()?;
|
||||
dom_mut(lua,|dom|{
|
||||
let instance=this.get(dom)?;
|
||||
//println!("__index t={} i={index:?}",instance.name);
|
||||
let db=rbx_reflection_database::get();
|
||||
let class=db.classes.get(instance.class.as_str()).ok_or_else(||mlua::Error::runtime("Class missing"))?;
|
||||
//Find existing property
|
||||
match instance.properties.get(index_str)
|
||||
.cloned()
|
||||
//Find default value
|
||||
.or_else(||db.find_default_property(class,index_str).cloned())
|
||||
//Find virtual property
|
||||
.or_else(||{
|
||||
SuperClassIter{
|
||||
database:db,
|
||||
descriptor:Some(class),
|
||||
}
|
||||
.find_map(|class|
|
||||
find_virtual_property(&instance.properties,class,index_str)
|
||||
)
|
||||
})
|
||||
{
|
||||
Some(rbx_types::Variant::Int32(val))=>return val.into_lua(lua),
|
||||
Some(rbx_types::Variant::Int64(val))=>return val.into_lua(lua),
|
||||
Some(rbx_types::Variant::Float32(val))=>return val.into_lua(lua),
|
||||
Some(rbx_types::Variant::Float64(val))=>return val.into_lua(lua),
|
||||
Some(rbx_types::Variant::Ref(val))=>return Instance::new(val).into_lua(lua),
|
||||
Some(rbx_types::Variant::CFrame(cf))=>return Into::<crate::runner::cframe::CFrame>::into(cf).into_lua(lua),
|
||||
Some(rbx_types::Variant::Vector3(v))=>return Into::<crate::runner::vector3::Vector3>::into(v).into_lua(lua),
|
||||
None=>(),
|
||||
other=>return Err(mlua::Error::runtime(format!("Instance.__index Unsupported property type instance={} index={index_str} value={other:?}",instance.name))),
|
||||
}
|
||||
//find a function with a matching name
|
||||
if let Some(function)=class_methods_store_mut(lua,|cf|{
|
||||
let mut iter=SuperClassIter{
|
||||
database:db,
|
||||
descriptor:Some(class),
|
||||
};
|
||||
iter.find_map(|class|{
|
||||
let mut class_methods=cf.get_or_create_class_methods(&class.name)?;
|
||||
class_methods.get_or_create_function(lua,index_str)
|
||||
.transpose()
|
||||
}).transpose()
|
||||
})?{
|
||||
return function.into_lua(lua);
|
||||
}
|
||||
|
||||
//find or create an associated userdata object
|
||||
if let Some(value)=instance_value_store_mut(lua,|ivs|{
|
||||
//TODO: walk class tree somehow
|
||||
match ivs.get_or_create_instance_values(&instance){
|
||||
Some(mut instance_values)=>instance_values.get_or_create_value(lua,index_str),
|
||||
None=>Ok(None)
|
||||
}
|
||||
})?{
|
||||
return value.into_lua(lua);
|
||||
}
|
||||
//find a child with a matching name
|
||||
find_first_child(dom,instance,index_str)
|
||||
.map(|instance|Instance::new(instance.referent()))
|
||||
.into_lua(lua)
|
||||
})
|
||||
});
|
||||
methods.add_meta_function(mlua::MetaMethod::NewIndex,|lua,(this,index,value):(Instance,mlua::String,mlua::Value)|{
|
||||
dom_mut(lua,|dom|{
|
||||
let instance=this.get_mut(dom)?;
|
||||
//println!("__newindex t={} i={index:?} v={value:?}",instance.name);
|
||||
let index_str=&*index.to_str()?;
|
||||
let db=rbx_reflection_database::get();
|
||||
let class=db.classes.get(instance.class.as_str()).ok_or_else(||mlua::Error::runtime("Class missing"))?;
|
||||
let mut iter=SuperClassIter{
|
||||
database:db,
|
||||
descriptor:Some(class),
|
||||
};
|
||||
let property=iter.find_map(|cls|cls.properties.get(index_str)).ok_or_else(||mlua::Error::runtime(format!("Property '{index_str}' missing on class '{}'",class.name)))?;
|
||||
match &property.data_type{
|
||||
rbx_reflection::DataType::Value(rbx_types::VariantType::Vector3)=>{
|
||||
let typed_value:Vector3=*value.as_userdata().ok_or_else(||mlua::Error::runtime("Expected Userdata"))?.borrow()?;
|
||||
instance.properties.insert(index_str.to_owned(),rbx_types::Variant::Vector3(typed_value.into()));
|
||||
},
|
||||
rbx_reflection::DataType::Value(rbx_types::VariantType::Float32)=>{
|
||||
let typed_value:f32=coerce_float32(&value).ok_or_else(||mlua::Error::runtime("Expected f32"))?;
|
||||
instance.properties.insert(index_str.to_owned(),rbx_types::Variant::Float32(typed_value));
|
||||
},
|
||||
rbx_reflection::DataType::Enum(enum_name)=>{
|
||||
let typed_value=match &value{
|
||||
&mlua::Value::Integer(int)=>Ok(rbx_types::Enum::from_u32(int as u32)),
|
||||
&mlua::Value::Number(num)=>Ok(rbx_types::Enum::from_u32(num as u32)),
|
||||
mlua::Value::String(s)=>{
|
||||
let e=db.enums.get(enum_name).ok_or_else(||mlua::Error::runtime("Database DataType Enum name does not exist"))?;
|
||||
Ok(rbx_types::Enum::from_u32(*e.items.get(&*s.to_str()?).ok_or_else(||mlua::Error::runtime("Invalid enum item"))?))
|
||||
},
|
||||
mlua::Value::UserData(any_user_data)=>{
|
||||
let e:crate::runner::r#enum::Enum=*any_user_data.borrow()?;
|
||||
Ok(e.into())
|
||||
},
|
||||
_=>Err(mlua::Error::runtime("Expected Enum")),
|
||||
}?;
|
||||
instance.properties.insert(index_str.to_owned(),rbx_types::Variant::Enum(typed_value));
|
||||
},
|
||||
rbx_reflection::DataType::Value(rbx_types::VariantType::Color3)=>{
|
||||
let typed_value:crate::runner::color3::Color3=*value.as_userdata().ok_or_else(||mlua::Error::runtime("Expected Color3"))?.borrow()?;
|
||||
instance.properties.insert(index_str.to_owned(),rbx_types::Variant::Color3(typed_value.into()));
|
||||
},
|
||||
rbx_reflection::DataType::Value(rbx_types::VariantType::Bool)=>{
|
||||
let typed_value=value.as_boolean().ok_or_else(||mlua::Error::runtime("Expected boolean"))?;
|
||||
instance.properties.insert(index_str.to_owned(),rbx_types::Variant::Bool(typed_value));
|
||||
},
|
||||
rbx_reflection::DataType::Value(rbx_types::VariantType::String)=>{
|
||||
let typed_value=value.as_str().ok_or_else(||mlua::Error::runtime("Expected boolean"))?;
|
||||
instance.properties.insert(index_str.to_owned(),rbx_types::Variant::String(typed_value.to_owned()));
|
||||
},
|
||||
rbx_reflection::DataType::Value(rbx_types::VariantType::NumberSequence)=>{
|
||||
let typed_value:crate::runner::number_sequence::NumberSequence=*value.as_userdata().ok_or_else(||mlua::Error::runtime("Expected NumberSequence"))?.borrow()?;
|
||||
instance.properties.insert(index_str.to_owned(),rbx_types::Variant::NumberSequence(typed_value.into()));
|
||||
},
|
||||
rbx_reflection::DataType::Value(rbx_types::VariantType::ColorSequence)=>{
|
||||
let typed_value:crate::runner::color_sequence::ColorSequence=*value.as_userdata().ok_or_else(||mlua::Error::runtime("Expected ColorSequence"))?.borrow()?;
|
||||
instance.properties.insert(index_str.to_owned(),rbx_types::Variant::ColorSequence(typed_value.into()));
|
||||
},
|
||||
other=>return Err(mlua::Error::runtime(format!("Unimplemented property type: {other:?}"))),
|
||||
}
|
||||
Ok(())
|
||||
})
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
/// A class function definition shorthand.
|
||||
macro_rules! cf{
|
||||
($f:expr)=>{
|
||||
|lua,mut args|{
|
||||
let this=Instance::from_lua(args.pop_front().unwrap_or(mlua::Value::Nil),lua)?;
|
||||
$f(lua,this,FromLuaMulti::from_lua_multi(args,lua)?)?.into_lua_multi(lua)
|
||||
}
|
||||
};
|
||||
}
|
||||
type ClassFunctionPointer=fn(&mlua::Lua,mlua::MultiValue)->mlua::Result<mlua::MultiValue>;
|
||||
// TODO: use macros to define these with better organization
|
||||
/// A double hash map of function pointers.
|
||||
/// The class tree is walked by the Instance.__index metamethod to find available class methods.
|
||||
type CFD=phf::Map<&'static str,// Class name
|
||||
phf::Map<&'static str,// Method name
|
||||
ClassFunctionPointer
|
||||
>
|
||||
>;
|
||||
static CLASS_FUNCTION_DATABASE:CFD=phf::phf_map!{
|
||||
"DataModel"=>phf::phf_map!{
|
||||
"GetService"=>cf!(|lua,_this,service:mlua::String|{
|
||||
dom_mut(lua,|dom|{
|
||||
//dom.root_ref()==this.referent ?
|
||||
let service=&*service.to_str()?;
|
||||
match service{
|
||||
"Lighting"|"RunService"=>{
|
||||
let referent=find_first_child_of_class(dom,dom.root(),service)
|
||||
.map(|instance|instance.referent())
|
||||
.unwrap_or_else(||
|
||||
dom.insert(dom.root_ref(),InstanceBuilder::new(service))
|
||||
);
|
||||
Ok(Instance::new(referent))
|
||||
},
|
||||
other=>Err::<Instance,_>(mlua::Error::runtime(format!("Service '{other}' not supported"))),
|
||||
}
|
||||
})
|
||||
}),
|
||||
},
|
||||
"Terrain"=>phf::phf_map!{
|
||||
"FillBlock"=>cf!(|_lua,_,_:(crate::runner::cframe::CFrame,Vector3,crate::runner::r#enum::Enum)|mlua::Result::Ok(()))
|
||||
},
|
||||
};
|
||||
|
||||
/// A store of created functions for each Roblox class.
|
||||
/// Functions are created the first time they are accessed and stored in this data structure.
|
||||
#[derive(Default)]
|
||||
struct ClassMethodsStore{
|
||||
classes:HashMap<&'static str,//ClassName
|
||||
HashMap<&'static str,//Method name
|
||||
mlua::Function
|
||||
>
|
||||
>
|
||||
}
|
||||
impl ClassMethodsStore{
|
||||
/// return self.classes[class] or create the ClassMethods and then return it
|
||||
fn get_or_create_class_methods(&mut self,class:&str)->Option<ClassMethods>{
|
||||
// Use get_entry to get the &'static str keys of the database
|
||||
// and use it as a key for the classes hashmap
|
||||
CLASS_FUNCTION_DATABASE.get_entry(class)
|
||||
.map(|(&static_class_str,method_pointers)|
|
||||
ClassMethods{
|
||||
method_pointers,
|
||||
methods:self.classes.entry(static_class_str)
|
||||
.or_insert_with(||HashMap::new()),
|
||||
}
|
||||
)
|
||||
}
|
||||
}
|
||||
struct ClassMethods<'a>{
|
||||
method_pointers:&'static phf::Map<&'static str,ClassFunctionPointer>,
|
||||
methods:&'a mut HashMap<&'static str,mlua::Function>,
|
||||
}
|
||||
impl ClassMethods<'_>{
|
||||
/// return self.methods[index] or create the function in the hashmap and then return it
|
||||
fn get_or_create_function(&mut self,lua:&mlua::Lua,index:&str)->mlua::Result<Option<mlua::Function>>{
|
||||
Ok(match self.method_pointers.get_entry(index){
|
||||
Some((&static_index_str,&function_pointer))=>Some(
|
||||
match self.methods.entry(static_index_str){
|
||||
Entry::Occupied(entry)=>entry.get().clone(),
|
||||
Entry::Vacant(entry)=>entry.insert(
|
||||
lua.create_function(function_pointer)?
|
||||
).clone(),
|
||||
}
|
||||
),
|
||||
None=>None,
|
||||
})
|
||||
}
|
||||
}
|
||||
fn class_methods_store_mut<T>(lua:&mlua::Lua,mut f:impl FnMut(&mut ClassMethodsStore)->mlua::Result<T>)->mlua::Result<T>{
|
||||
let mut cf=lua.app_data_mut::<ClassMethodsStore>().ok_or_else(||mlua::Error::runtime("ClassMethodsStore missing"))?;
|
||||
f(&mut *cf)
|
||||
}
|
||||
|
||||
/// A virtual property pointer definition shorthand.
|
||||
type VirtualPropertyFunctionPointer=fn(&rbx_types::Variant)->Option<rbx_types::Variant>;
|
||||
const fn vpp(
|
||||
property:&'static str,
|
||||
pointer:VirtualPropertyFunctionPointer,
|
||||
)->VirtualProperty{
|
||||
VirtualProperty{
|
||||
property,
|
||||
pointer,
|
||||
}
|
||||
}
|
||||
struct VirtualProperty{
|
||||
property:&'static str,// Source property name
|
||||
pointer:VirtualPropertyFunctionPointer,
|
||||
}
|
||||
type VPD=phf::Map<&'static str,// Class name
|
||||
phf::Map<&'static str,// Virtual property name
|
||||
VirtualProperty
|
||||
>
|
||||
>;
|
||||
static VIRTUAL_PROPERTY_DATABASE:VPD=phf::phf_map!{
|
||||
"BasePart"=>phf::phf_map!{
|
||||
"Position"=>vpp("CFrame",|c:&rbx_types::Variant|{
|
||||
let c=match c{
|
||||
rbx_types::Variant::CFrame(c)=>c,
|
||||
_=>return None,//fail silently and ungracefully
|
||||
};
|
||||
Some(rbx_types::Variant::Vector3(c.position))
|
||||
}),
|
||||
},
|
||||
};
|
||||
|
||||
fn find_virtual_property(
|
||||
properties:&HashMap<String,rbx_types::Variant>,
|
||||
class:&rbx_reflection::ClassDescriptor,
|
||||
index:&str
|
||||
)->Option<rbx_types::Variant>{
|
||||
//Find virtual property
|
||||
let class_virtual_properties=VIRTUAL_PROPERTY_DATABASE.get(&class.name)?;
|
||||
let virtual_property=class_virtual_properties.get(index)?;
|
||||
|
||||
//Get source property
|
||||
let variant=properties.get(virtual_property.property)?;
|
||||
|
||||
//Transform Source property with provided function
|
||||
(virtual_property.pointer)(variant)
|
||||
}
|
||||
|
||||
// lazy-loaded per-instance userdata values
|
||||
// This whole thing is a bad idea and a garbage collection nightmare.
|
||||
// TODO: recreate rbx_dom_weak with my own instance type that owns this data.
|
||||
type CreateUserData=fn(&mlua::Lua)->mlua::Result<mlua::AnyUserData>;
|
||||
type LUD=phf::Map<&'static str,// Class name
|
||||
phf::Map<&'static str,// Value name
|
||||
CreateUserData
|
||||
>
|
||||
>;
|
||||
static LAZY_USER_DATA:LUD=phf::phf_map!{
|
||||
"RunService"=>phf::phf_map!{
|
||||
"RenderStepped"=>|lua|{
|
||||
lua.create_any_userdata(crate::runner::script_signal::ScriptSignal::new())
|
||||
},
|
||||
},
|
||||
};
|
||||
#[derive(Default)]
|
||||
pub struct InstanceValueStore{
|
||||
values:HashMap<Ref,
|
||||
HashMap<&'static str,
|
||||
mlua::AnyUserData
|
||||
>
|
||||
>,
|
||||
}
|
||||
pub struct InstanceValues<'a>{
|
||||
named_values:&'static phf::Map<&'static str,CreateUserData>,
|
||||
values:&'a mut HashMap<&'static str,mlua::AnyUserData>,
|
||||
}
|
||||
impl InstanceValueStore{
|
||||
pub fn get_or_create_instance_values(&mut self,instance:&rbx_dom_weak::Instance)->Option<InstanceValues>{
|
||||
LAZY_USER_DATA.get(instance.class.as_str())
|
||||
.map(|named_values|
|
||||
InstanceValues{
|
||||
named_values,
|
||||
values:self.values.entry(instance.referent())
|
||||
.or_insert_with(||HashMap::new()),
|
||||
}
|
||||
)
|
||||
}
|
||||
}
|
||||
impl InstanceValues<'_>{
|
||||
pub fn get_or_create_value(&mut self,lua:&mlua::Lua,index:&str)->mlua::Result<Option<mlua::AnyUserData>>{
|
||||
Ok(match self.named_values.get_entry(index){
|
||||
Some((&static_index_str,&function_pointer))=>Some(
|
||||
match self.values.entry(static_index_str){
|
||||
Entry::Occupied(entry)=>entry.get().clone(),
|
||||
Entry::Vacant(entry)=>entry.insert(
|
||||
function_pointer(lua)?
|
||||
).clone(),
|
||||
}
|
||||
),
|
||||
None=>None,
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
pub fn instance_value_store_mut<T>(lua:&mlua::Lua,mut f:impl FnMut(&mut InstanceValueStore)->mlua::Result<T>)->mlua::Result<T>{
|
||||
let mut cf=lua.app_data_mut::<InstanceValueStore>().ok_or_else(||mlua::Error::runtime("InstanceValueStore missing"))?;
|
||||
f(&mut *cf)
|
||||
}
|
||||
2
lib/roblox_emulator/src/runner/instance/mod.rs
Normal file
2
lib/roblox_emulator/src/runner/instance/mod.rs
Normal file
@ -0,0 +1,2 @@
|
||||
pub mod instance;
|
||||
pub use instance::Instance;
|
||||
24
lib/roblox_emulator/src/runner/macros.rs
Normal file
24
lib/roblox_emulator/src/runner/macros.rs
Normal file
@ -0,0 +1,24 @@
|
||||
macro_rules! type_from_lua_userdata{
|
||||
($asd:ident)=>{
|
||||
impl mlua::FromLua for $asd{
|
||||
fn from_lua(value:mlua::Value,_lua:&mlua::Lua)->Result<Self,mlua::Error>{
|
||||
match value{
|
||||
mlua::Value::UserData(ud)=>Ok(*ud.borrow::<Self>()?),
|
||||
other=>Err(mlua::Error::runtime(format!("Expected {} got {:?}",stringify!($asd),other))),
|
||||
}
|
||||
}
|
||||
}
|
||||
};
|
||||
}
|
||||
macro_rules! type_from_lua_userdata_lua_lifetime{
|
||||
($asd:ident)=>{
|
||||
impl mlua::FromLua for $asd<'static>{
|
||||
fn from_lua(value:mlua::Value,_lua:&mlua::Lua)->Result<Self,mlua::Error>{
|
||||
match value{
|
||||
mlua::Value::UserData(ud)=>Ok(*ud.borrow::<Self>()?),
|
||||
other=>Err(mlua::Error::runtime(format!("Expected {} got {:?}",stringify!($asd),other))),
|
||||
}
|
||||
}
|
||||
}
|
||||
};
|
||||
}
|
||||
14
lib/roblox_emulator/src/runner/mod.rs
Normal file
14
lib/roblox_emulator/src/runner/mod.rs
Normal file
@ -0,0 +1,14 @@
|
||||
#[macro_use]
|
||||
mod macros;
|
||||
mod runner;
|
||||
|
||||
mod r#enum;
|
||||
mod color3;
|
||||
mod cframe;
|
||||
mod vector3;
|
||||
pub mod instance;
|
||||
mod script_signal;
|
||||
mod color_sequence;
|
||||
mod number_sequence;
|
||||
|
||||
pub use runner::{Runner,Runnable,Error};
|
||||
31
lib/roblox_emulator/src/runner/number_sequence.rs
Normal file
31
lib/roblox_emulator/src/runner/number_sequence.rs
Normal file
@ -0,0 +1,31 @@
|
||||
#[derive(Clone,Copy)]
|
||||
pub struct NumberSequence{}
|
||||
impl NumberSequence{
|
||||
pub const fn new()->Self{
|
||||
Self{}
|
||||
}
|
||||
}
|
||||
impl Into<rbx_types::NumberSequence> for NumberSequence{
|
||||
fn into(self)->rbx_types::NumberSequence{
|
||||
rbx_types::NumberSequence{
|
||||
keypoints:Vec::new()
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub fn set_globals(lua:&mlua::Lua,globals:&mlua::Table)->Result<(),mlua::Error>{
|
||||
let number_sequence_table=lua.create_table()?;
|
||||
|
||||
number_sequence_table.raw_set("new",
|
||||
lua.create_function(|_,_:mlua::MultiValue|
|
||||
Ok(NumberSequence::new())
|
||||
)?
|
||||
)?;
|
||||
|
||||
globals.set("NumberSequence",number_sequence_table)?;
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
impl mlua::UserData for NumberSequence{}
|
||||
type_from_lua_userdata!(NumberSequence);
|
||||
143
lib/roblox_emulator/src/runner/runner.rs
Normal file
143
lib/roblox_emulator/src/runner/runner.rs
Normal file
@ -0,0 +1,143 @@
|
||||
use crate::context::Context;
|
||||
#[cfg(feature="run-service")]
|
||||
use crate::scheduler::scheduler_mut;
|
||||
|
||||
pub struct Runner{
|
||||
lua:mlua::Lua,
|
||||
}
|
||||
#[derive(Debug)]
|
||||
pub enum Error{
|
||||
Lua{
|
||||
source:String,
|
||||
error:mlua::Error
|
||||
},
|
||||
RustLua(mlua::Error),
|
||||
NoServices,
|
||||
}
|
||||
impl std::fmt::Display for Error{
|
||||
fn fmt(&self,f:&mut std::fmt::Formatter<'_>)->std::fmt::Result{
|
||||
match self{
|
||||
Self::Lua{source,error}=>write!(f,"lua error: source:\n{source}\n{error}"),
|
||||
Self::RustLua(error)=>write!(f,"rust-side lua error: {error}"),
|
||||
other=>write!(f,"{other:?}"),
|
||||
}
|
||||
}
|
||||
}
|
||||
impl std::error::Error for Error{}
|
||||
|
||||
fn init(lua:&mlua::Lua)->mlua::Result<()>{
|
||||
lua.sandbox(true)?;
|
||||
|
||||
//global environment
|
||||
let globals=lua.globals();
|
||||
|
||||
#[cfg(feature="run-service")]
|
||||
crate::scheduler::set_globals(lua,&globals)?;
|
||||
super::script_signal::set_globals(lua,&globals)?;
|
||||
super::r#enum::set_globals(lua,&globals)?;
|
||||
super::color3::set_globals(lua,&globals)?;
|
||||
super::vector3::set_globals(lua,&globals)?;
|
||||
super::cframe::set_globals(lua,&globals)?;
|
||||
super::instance::instance::set_globals(lua,&globals)?;
|
||||
super::number_sequence::set_globals(lua,&globals)?;
|
||||
super::color_sequence::set_globals(lua,&globals)?;
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
impl Runner{
|
||||
pub fn new()->Result<Self,Error>{
|
||||
let runner=Self{
|
||||
lua:mlua::Lua::new(),
|
||||
};
|
||||
init(&runner.lua).map_err(Error::RustLua)?;
|
||||
Ok(runner)
|
||||
}
|
||||
pub fn runnable_context<'a>(self,context:&'a mut Context)->Result<Runnable<'a>,Error>{
|
||||
let services=context.find_services().ok_or(Error::NoServices)?;
|
||||
self.runnable_context_with_services(context,&services)
|
||||
}
|
||||
pub fn runnable_context_with_services<'a>(self,context:&'a mut Context,services:&crate::context::Services)->Result<Runnable<'a>,Error>{
|
||||
{
|
||||
let globals=self.lua.globals();
|
||||
globals.set("game",super::instance::Instance::new(services.game)).map_err(Error::RustLua)?;
|
||||
globals.set("workspace",super::instance::Instance::new(services.workspace)).map_err(Error::RustLua)?;
|
||||
}
|
||||
//this makes set_app_data shut up about the lifetime
|
||||
self.lua.set_app_data::<&'static mut rbx_dom_weak::WeakDom>(unsafe{core::mem::transmute(&mut context.dom)});
|
||||
#[cfg(feature="run-service")]
|
||||
self.lua.set_app_data::<crate::scheduler::Scheduler>(crate::scheduler::Scheduler::default());
|
||||
Ok(Runnable{
|
||||
lua:self.lua,
|
||||
_lifetime:&std::marker::PhantomData
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
//Runnable is the same thing but has context set, which it holds the lifetime for.
|
||||
pub struct Runnable<'a>{
|
||||
lua:mlua::Lua,
|
||||
_lifetime:&'a std::marker::PhantomData<()>
|
||||
}
|
||||
impl Runnable<'_>{
|
||||
pub fn drop_context(self)->Runner{
|
||||
self.lua.remove_app_data::<&'static mut rbx_dom_weak::WeakDom>();
|
||||
#[cfg(feature="run-service")]
|
||||
self.lua.remove_app_data::<crate::scheduler::Scheduler>();
|
||||
Runner{
|
||||
lua:self.lua,
|
||||
}
|
||||
}
|
||||
pub fn run_script(&self,script:super::instance::Instance)->Result<(),Error>{
|
||||
let (name,source)=super::instance::instance::get_name_source(&self.lua,script).map_err(Error::RustLua)?;
|
||||
self.lua.globals().raw_set("script",script).map_err(Error::RustLua)?;
|
||||
let f=self.lua.load(source.as_str())
|
||||
.set_name(name).into_function().map_err(Error::RustLua)?;
|
||||
// TODO: set_environment without losing the ability to print from Lua
|
||||
let thread=self.lua.create_thread(f).map_err(Error::RustLua)?;
|
||||
thread.resume::<mlua::MultiValue>(()).map_err(|error|Error::Lua{source,error})?;
|
||||
// wait() is called from inside Lua and goes to a rust function that schedules the thread and then yields
|
||||
// No need to schedule the thread here
|
||||
Ok(())
|
||||
}
|
||||
#[cfg(feature="run-service")]
|
||||
pub fn has_scheduled_threads(&self)->Result<bool,mlua::Error>{
|
||||
scheduler_mut(&self.lua,|scheduler|
|
||||
Ok(scheduler.has_scheduled_threads())
|
||||
)
|
||||
}
|
||||
#[cfg(feature="run-service")]
|
||||
pub fn game_tick(&self)->Result<(),mlua::Error>{
|
||||
if let Some(threads)=scheduler_mut(&self.lua,|scheduler|Ok(scheduler.tick_threads()))?{
|
||||
for thread in threads{
|
||||
//TODO: return dt and total run time
|
||||
let result=thread.resume::<mlua::MultiValue>((1.0/30.0,0.0))
|
||||
.map_err(|error|Error::Lua{source:"source unavailable".to_owned(),error});
|
||||
match result{
|
||||
Ok(_)=>(),
|
||||
Err(e)=>println!("game_tick Error: {e}"),
|
||||
}
|
||||
}
|
||||
}
|
||||
Ok(())
|
||||
}
|
||||
#[cfg(feature="run-service")]
|
||||
pub fn run_service_step(&self)->Result<(),mlua::Error>{
|
||||
let render_stepped=super::instance::instance::dom_mut(&self.lua,|dom|{
|
||||
let run_service=super::instance::instance::find_first_child_of_class(dom,dom.root(),"RunService").ok_or_else(||mlua::Error::runtime("RunService missing"))?;
|
||||
super::instance::instance::instance_value_store_mut(&self.lua,|instance_value_store|{
|
||||
//unwrap because I trust my find_first_child_of_class function to
|
||||
let mut instance_values=instance_value_store.get_or_create_instance_values(run_service).ok_or_else(||mlua::Error::runtime("RunService InstanceValues missing"))?;
|
||||
let render_stepped=instance_values.get_or_create_value(&self.lua,"RenderStepped")?;
|
||||
//let stepped=instance_values.get_or_create_value(&self.lua,"Stepped")?;
|
||||
//let heartbeat=instance_values.get_or_create_value(&self.lua,"Heartbeat")?;
|
||||
Ok(render_stepped)
|
||||
})
|
||||
})?;
|
||||
if let Some(render_stepped)=render_stepped{
|
||||
let signal:&super::script_signal::ScriptSignal=&*render_stepped.borrow()?;
|
||||
signal.fire(&mlua::MultiValue::new());
|
||||
}
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
172
lib/roblox_emulator/src/runner/script_signal.rs
Normal file
172
lib/roblox_emulator/src/runner/script_signal.rs
Normal file
@ -0,0 +1,172 @@
|
||||
use std::{cell::RefCell,rc::Rc};
|
||||
|
||||
use mlua::UserDataFields;
|
||||
|
||||
#[derive(Clone)]
|
||||
struct FunctionList{
|
||||
functions:Vec<mlua::Function>,
|
||||
}
|
||||
impl FunctionList{
|
||||
pub fn new()->Self{
|
||||
Self{
|
||||
functions:Vec::new(),
|
||||
}
|
||||
}
|
||||
// This eats the Lua error
|
||||
pub fn fire(self,args:&mlua::MultiValue){
|
||||
// Make a copy of the list in case Lua attempts to modify it during the loop
|
||||
for function in self.functions{
|
||||
//wee let's allocate for our function calls
|
||||
if let Err(e)=function.call::<mlua::MultiValue>(args.clone()){
|
||||
println!("Script Signal Error: {e}");
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
#[derive(Clone)]
|
||||
struct RcFunctionList{
|
||||
functions:Rc<RefCell<FunctionList>>,
|
||||
}
|
||||
impl RcFunctionList{
|
||||
pub fn new()->Self{
|
||||
Self{
|
||||
functions:Rc::new(RefCell::new(FunctionList::new())),
|
||||
}
|
||||
}
|
||||
pub fn fire(&self,args:&mlua::MultiValue){
|
||||
// Make a copy of the list in case Lua attempts to modify it during the loop
|
||||
self.functions.borrow().clone().fire(args)
|
||||
}
|
||||
}
|
||||
#[derive(Clone)]
|
||||
pub struct ScriptSignal{
|
||||
// Emulate the garbage roblox api.
|
||||
// ScriptConnection should not exist.
|
||||
// :Disconnect should be a method on ScriptSignal, and this would be avoided entirely.
|
||||
connections:RcFunctionList,
|
||||
once:RcFunctionList,
|
||||
wait:Rc<RefCell<Vec<mlua::Thread>>>,
|
||||
}
|
||||
pub struct ScriptConnection{
|
||||
connection:RcFunctionList,
|
||||
function:mlua::Function,
|
||||
}
|
||||
impl ScriptSignal{
|
||||
pub fn new()->Self{
|
||||
Self{
|
||||
connections:RcFunctionList::new(),
|
||||
once:RcFunctionList::new(),
|
||||
wait:Rc::new(RefCell::new(Vec::new())),
|
||||
}
|
||||
}
|
||||
pub fn fire(&self,args:&mlua::MultiValue){
|
||||
self.connections.fire(args);
|
||||
//Replace the FunctionList with an empty one and drop the borrow
|
||||
let once=std::mem::replace(&mut *self.once.functions.borrow_mut(),FunctionList::new());
|
||||
once.fire(args);
|
||||
//resume threads waiting for this signal
|
||||
let threads=std::mem::replace(&mut *self.wait.borrow_mut(),Vec::new());
|
||||
for thread in threads{
|
||||
if let Err(e)=thread.resume::<mlua::MultiValue>(args.clone()){
|
||||
println!("Script Signal thread resume Error: {e}");
|
||||
}
|
||||
}
|
||||
}
|
||||
pub fn connect(&self,function:mlua::Function)->ScriptConnection{
|
||||
self.connections.functions.borrow_mut().functions.push(function.clone());
|
||||
ScriptConnection{
|
||||
connection:self.connections.clone(),
|
||||
function,
|
||||
}
|
||||
}
|
||||
pub fn once(&self,function:mlua::Function)->ScriptConnection{
|
||||
self.once.functions.borrow_mut().functions.push(function.clone());
|
||||
ScriptConnection{
|
||||
connection:self.once.clone(),
|
||||
function,
|
||||
}
|
||||
}
|
||||
pub fn wait(&self,thread:mlua::Thread){
|
||||
self.wait.borrow_mut().push(thread);
|
||||
}
|
||||
}
|
||||
impl ScriptConnection{
|
||||
pub fn position(&self)->Option<usize>{
|
||||
self.connection.functions.borrow().functions.iter().position(|function|function==&self.function)
|
||||
}
|
||||
}
|
||||
|
||||
impl mlua::UserData for ScriptSignal{
|
||||
fn add_methods<M:mlua::UserDataMethods<Self>>(methods:&mut M){
|
||||
methods.add_method("Connect",|_lua,this,f:mlua::Function|
|
||||
Ok(this.connect(f))
|
||||
);
|
||||
methods.add_method("Once",|_lua,this,f:mlua::Function|
|
||||
Ok(this.once(f))
|
||||
);
|
||||
// Fire is not allowed to be called from Lua
|
||||
// methods.add_method("Fire",|_lua,this,args:mlua::MultiValue|
|
||||
// Ok(this.fire(args))
|
||||
// );
|
||||
}
|
||||
}
|
||||
impl mlua::FromLua for ScriptSignal{
|
||||
fn from_lua(value:mlua::Value,_lua:&mlua::Lua)->Result<Self,mlua::Error>{
|
||||
match value{
|
||||
mlua::Value::UserData(ud)=>Ok(ud.borrow::<Self>()?.clone()),
|
||||
other=>Err(mlua::Error::runtime(format!("Expected {} got {:?}",stringify!(ScriptSignal),other))),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl mlua::UserData for ScriptConnection{
|
||||
fn add_fields<F:mlua::UserDataFields<Self>>(fields:&mut F){
|
||||
fields.add_field_method_get("Connected",|_,this|{
|
||||
Ok(this.position().is_some())
|
||||
});
|
||||
}
|
||||
fn add_methods<M:mlua::UserDataMethods<Self>>(methods:&mut M){
|
||||
methods.add_method("Disconnect",|_,this,_:()|{
|
||||
if let Some(index)=this.position(){
|
||||
this.connection.functions.borrow_mut().functions.remove(index);
|
||||
}
|
||||
Ok(())
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
fn wait_thread(lua:&mlua::Lua,this:ScriptSignal)->Result<(),mlua::Error>{
|
||||
Ok(this.wait(lua.current_thread()))
|
||||
}
|
||||
|
||||
// This is used to avoid calling coroutine.yield from the rust side.
|
||||
const LUA_WAIT:&str=
|
||||
"local coroutine_yield=coroutine.yield
|
||||
local wait_thread=wait_thread
|
||||
return function(signal)
|
||||
wait_thread(signal)
|
||||
return coroutine_yield()
|
||||
end";
|
||||
|
||||
pub fn set_globals(lua:&mlua::Lua,globals:&mlua::Table)->Result<(),mlua::Error>{
|
||||
let coroutine_table=globals.get::<mlua::Table>("coroutine")?;
|
||||
let wait_thread=lua.create_function(wait_thread)?;
|
||||
|
||||
//create wait function environment
|
||||
let wait_env=lua.create_table()?;
|
||||
wait_env.raw_set("coroutine",coroutine_table)?;
|
||||
wait_env.raw_set("wait_thread",wait_thread)?;
|
||||
|
||||
//construct wait function from Lua code
|
||||
let wait=lua.load(LUA_WAIT)
|
||||
.set_name("wait")
|
||||
.set_environment(wait_env)
|
||||
.call::<mlua::Function>(())?;
|
||||
|
||||
lua.register_userdata_type::<ScriptSignal>(|reg|{
|
||||
reg.add_field("Wait",wait);
|
||||
mlua::UserData::register(reg);
|
||||
})?;
|
||||
|
||||
Ok(())
|
||||
}
|
||||
82
lib/roblox_emulator/src/runner/vector3.rs
Normal file
82
lib/roblox_emulator/src/runner/vector3.rs
Normal file
@ -0,0 +1,82 @@
|
||||
#[derive(Clone,Copy)]
|
||||
pub struct Vector3(pub(crate)glam::Vec3A);
|
||||
|
||||
impl Vector3{
|
||||
pub const fn new(x:f32,y:f32,z:f32)->Self{
|
||||
Self(glam::vec3a(x,y,z))
|
||||
}
|
||||
}
|
||||
|
||||
pub fn set_globals(lua:&mlua::Lua,globals:&mlua::Table)->Result<(),mlua::Error>{
|
||||
let vector3_table=lua.create_table()?;
|
||||
|
||||
//Vector3.new
|
||||
vector3_table.raw_set("new",
|
||||
lua.create_function(|_,(x,y,z):(f32,f32,f32)|
|
||||
Ok(Vector3::new(x,y,z))
|
||||
)?
|
||||
)?;
|
||||
|
||||
globals.set("Vector3",vector3_table)?;
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
impl Into<rbx_types::Vector3> for Vector3{
|
||||
fn into(self)->rbx_types::Vector3{
|
||||
rbx_types::Vector3::new(self.0.x,self.0.y,self.0.z)
|
||||
}
|
||||
}
|
||||
|
||||
impl From<rbx_types::Vector3> for Vector3{
|
||||
fn from(value:rbx_types::Vector3)->Vector3{
|
||||
Vector3::new(value.x,value.y,value.z)
|
||||
}
|
||||
}
|
||||
|
||||
impl mlua::UserData for Vector3{
|
||||
fn add_fields<F:mlua::UserDataFields<Self>>(fields:&mut F){
|
||||
fields.add_field_method_get("magnitude",|_,this|Ok(this.0.length()));
|
||||
fields.add_field_method_get("x",|_,this|Ok(this.0.x));
|
||||
fields.add_field_method_set("x",|_,this,val|{
|
||||
this.0.x=val;
|
||||
Ok(())
|
||||
});
|
||||
fields.add_field_method_get("y",|_,this|Ok(this.0.y));
|
||||
fields.add_field_method_set("y",|_,this,val|{
|
||||
this.0.y=val;
|
||||
Ok(())
|
||||
});
|
||||
fields.add_field_method_get("z",|_,this|Ok(this.0.z));
|
||||
fields.add_field_method_set("z",|_,this,val|{
|
||||
this.0.z=val;
|
||||
Ok(())
|
||||
});
|
||||
}
|
||||
|
||||
fn add_methods<M:mlua::UserDataMethods<Self>>(methods:&mut M){
|
||||
//methods.add_method("area",|_,this,()| Ok(this.length * this.width));
|
||||
|
||||
methods.add_meta_function(mlua::MetaMethod::Add,|_,(this,val):(Self,Self)|Ok(Self(this.0+val.0)));
|
||||
methods.add_meta_function(mlua::MetaMethod::Div,|_,(this,val):(Self,mlua::Value)|{
|
||||
match val{
|
||||
mlua::Value::Integer(n)=>Ok(Self(this.0/(n as f32))),
|
||||
mlua::Value::Number(n)=>Ok(Self(this.0/(n as f32))),
|
||||
mlua::Value::UserData(ud)=>{
|
||||
let rhs:Vector3=ud.take()?;
|
||||
Ok(Self(this.0/rhs.0))
|
||||
},
|
||||
other=>Err(mlua::Error::runtime(format!("Attempt to divide Vector3 by {other:?}"))),
|
||||
}
|
||||
});
|
||||
methods.add_meta_function(mlua::MetaMethod::ToString,|_,this:Self|
|
||||
Ok(format!("Vector3.new({},{},{})",
|
||||
this.0.x,
|
||||
this.0.y,
|
||||
this.0.z,
|
||||
))
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
type_from_lua_userdata!(Vector3);
|
||||
106
lib/roblox_emulator/src/scheduler.rs
Normal file
106
lib/roblox_emulator/src/scheduler.rs
Normal file
@ -0,0 +1,106 @@
|
||||
pub use tick::Tick;
|
||||
mod tick{
|
||||
#[derive(Clone,Copy,Default,Hash,PartialEq,Eq,PartialOrd,Ord)]
|
||||
pub struct Tick(u64);
|
||||
impl std::ops::Add<u64> for Tick{
|
||||
type Output=Self;
|
||||
fn add(self,rhs:u64)->Self::Output{
|
||||
Self(self.0+rhs)
|
||||
}
|
||||
}
|
||||
impl std::ops::Sub<u64> for Tick{
|
||||
type Output=Self;
|
||||
fn sub(self,rhs:u64)->Self::Output{
|
||||
Self(self.0-rhs)
|
||||
}
|
||||
}
|
||||
impl std::ops::AddAssign<u64> for Tick{
|
||||
fn add_assign(&mut self,rhs:u64){
|
||||
self.0+=rhs;
|
||||
}
|
||||
}
|
||||
impl std::ops::SubAssign<u64> for Tick{
|
||||
fn sub_assign(&mut self,rhs:u64){
|
||||
self.0-=rhs;
|
||||
}
|
||||
}
|
||||
}
|
||||
#[derive(Default)]
|
||||
pub struct Scheduler{
|
||||
tick:Tick,
|
||||
schedule:std::collections::HashMap<Tick,Vec<mlua::Thread>>,
|
||||
}
|
||||
|
||||
impl Scheduler{
|
||||
pub fn has_scheduled_threads(&self)->bool{
|
||||
!self.schedule.is_empty()
|
||||
}
|
||||
pub fn schedule_thread(&mut self,delay:u64,thread:mlua::Thread){
|
||||
self.schedule.entry(self.tick+delay.max(1))
|
||||
.or_insert(Vec::new())
|
||||
.push(thread);
|
||||
}
|
||||
pub fn tick_threads(&mut self)->Option<Vec<mlua::Thread>>{
|
||||
self.tick+=1;
|
||||
self.schedule.remove(&self.tick)
|
||||
}
|
||||
}
|
||||
|
||||
pub fn scheduler_mut<T>(lua:&mlua::Lua,mut f:impl FnMut(&mut crate::scheduler::Scheduler)->mlua::Result<T>)->mlua::Result<T>{
|
||||
let mut scheduler=lua.app_data_mut::<crate::scheduler::Scheduler>().ok_or_else(||mlua::Error::runtime("Scheduler missing"))?;
|
||||
f(&mut *scheduler)
|
||||
}
|
||||
|
||||
fn schedule_thread(lua:&mlua::Lua,dt:mlua::Value)->Result<(),mlua::Error>{
|
||||
let delay=match dt{
|
||||
mlua::Value::Integer(i)=>i.max(0) as u64*60,
|
||||
mlua::Value::Number(f)=>{
|
||||
let delay=f.max(0.0)*60.0;
|
||||
match delay.classify(){
|
||||
std::num::FpCategory::Nan=>Err(mlua::Error::runtime("NaN"))?,
|
||||
// cases where the number is too large to schedule
|
||||
std::num::FpCategory::Infinite=>return Ok(()),
|
||||
std::num::FpCategory::Normal=>if (u64::MAX as f64)<delay{
|
||||
return Ok(());
|
||||
},
|
||||
_=>(),
|
||||
}
|
||||
delay as u64
|
||||
},
|
||||
mlua::Value::Nil=>0,
|
||||
_=>Err(mlua::Error::runtime("Expected float"))?,
|
||||
};
|
||||
scheduler_mut(lua,|scheduler|{
|
||||
scheduler.schedule_thread(delay.max(2),lua.current_thread());
|
||||
Ok(())
|
||||
})
|
||||
}
|
||||
|
||||
// This is used to avoid calling coroutine.yield from the rust side.
|
||||
const LUA_WAIT:&str=
|
||||
"local coroutine_yield=coroutine.yield
|
||||
local schedule_thread=schedule_thread
|
||||
return function(dt)
|
||||
schedule_thread(dt)
|
||||
return coroutine_yield()
|
||||
end";
|
||||
|
||||
pub fn set_globals(lua:&mlua::Lua,globals:&mlua::Table)->Result<(),mlua::Error>{
|
||||
let coroutine_table=globals.get::<mlua::Table>("coroutine")?;
|
||||
let schedule_thread=lua.create_function(schedule_thread)?;
|
||||
|
||||
//create wait function environment
|
||||
let wait_env=lua.create_table()?;
|
||||
wait_env.raw_set("coroutine",coroutine_table)?;
|
||||
wait_env.raw_set("schedule_thread",schedule_thread)?;
|
||||
|
||||
//construct wait function from Lua code
|
||||
let wait=lua.load(LUA_WAIT)
|
||||
.set_name("wait")
|
||||
.set_environment(wait_env)
|
||||
.call::<mlua::Function>(())?;
|
||||
|
||||
globals.raw_set("wait",wait)?;
|
||||
|
||||
Ok(())
|
||||
}
|
||||
0
lib/roblox_emulator/src/tests.rs
Normal file
0
lib/roblox_emulator/src/tests.rs
Normal file
Loading…
Reference in New Issue
Block a user