wip: associated values store
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55b8e56f20
commit
d5ea8de192
@ -482,3 +482,56 @@ fn find_virtual_property(
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//Transform Source property with provided function
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//Transform Source property with provided function
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(virtual_property.pointer)(variant)
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(virtual_property.pointer)(variant)
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}
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}
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// lazy-loaded per-instance userdata values
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type CreateUserData=fn(&mlua::Lua)->mlua::Result<mlua::AnyUserData>;
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type LUD=phf::Map<&'static str,// Class name
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phf::Map<&'static str,// Value name
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CreateUserData
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>
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>;
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static LAZY_USER_DATA:LUD=phf::phf_map!{
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"RunService"=>phf::phf_map!{
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"RenderStepped"=>|lua|{
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lua.create_any_userdata(super::script_signal::ScriptSignal::new())
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},
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},
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};
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struct InstanceValueStore{
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values:HashMap<Ref,
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HashMap<&'static str,
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mlua::AnyUserData
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>
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>,
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}
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struct InstanceValues<'a>{
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named_values:&'static phf::Map<&'static str,CreateUserData>,
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values:&'a mut HashMap<&'static str,mlua::AnyUserData>,
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}
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impl InstanceValueStore{
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fn get_or_create_instance_values(&mut self,instance:&rbx_dom_weak::Instance)->Option<InstanceValues>{
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LAZY_USER_DATA.get(instance.class.as_str())
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.map(|named_values|
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InstanceValues{
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named_values,
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values:self.values.entry(instance.referent())
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.or_insert_with(||HashMap::new()),
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}
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)
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}
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}
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impl InstanceValues<'_>{
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fn get_or_create_value(&mut self,lua:&mlua::Lua,index:&str)->mlua::Result<Option<mlua::AnyUserData>>{
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Ok(match self.named_values.get_entry(index){
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Some((&static_index_str,&function_pointer))=>Some(
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match self.values.entry(static_index_str){
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Entry::Occupied(entry)=>entry.get().clone(),
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Entry::Vacant(entry)=>entry.insert(
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function_pointer(lua)?
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).clone(),
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}
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),
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None=>None,
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})
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}
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}
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