maplibre/sdf/
populate_world_system.rs

1use std::{borrow::Cow, marker::PhantomData, rc::Rc};
2
3use crate::{
4    context::MapContext,
5    environment::Environment,
6    io::apc::{AsyncProcedureCall, Message},
7    kernel::Kernel,
8    sdf::SymbolLayersDataComponent,
9    tcs::system::{System, SystemResult},
10    vector::transferables::*,
11};
12
13pub struct PopulateWorldSystem<E: Environment, T> {
14    kernel: Rc<Kernel<E>>,
15    phantom_t: PhantomData<T>,
16}
17
18impl<E: Environment, T> PopulateWorldSystem<E, T> {
19    pub fn new(kernel: &Rc<Kernel<E>>) -> Self {
20        Self {
21            kernel: kernel.clone(),
22            phantom_t: Default::default(),
23        }
24    }
25}
26
27impl<E: Environment, T: VectorTransferables> System for PopulateWorldSystem<E, T> {
28    fn name(&self) -> Cow<'static, str> {
29        "sdf_populate_world_system".into()
30    }
31
32    fn run(&mut self, MapContext { world, .. }: &mut MapContext) -> SystemResult {
33        for message in self.kernel.apc().receive(|message| {
34            message.has_tag(T::SymbolLayerTessellated::message_tag())
35                || message.has_tag(T::LayerIndexed::message_tag())
36        }) {
37            let message: Message = message;
38            if message.has_tag(T::SymbolLayerTessellated::message_tag()) {
39                let message = message.into_transferable::<T::SymbolLayerTessellated>();
40
41                let Some(component) = world
42                    .tiles
43                    .query_mut::<&mut SymbolLayersDataComponent>(message.coords())
44                else {
45                    continue;
46                };
47
48                component.layers.push(message.to_bucket());
49            }
50        }
51
52        Ok(())
53    }
54}
maplibre/sdf/populate_world_system.rs

maplibre/sdf/
populate_world_system.rs
