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use std::collections::HashMap;
use specs::{
World,
WorldExt,
DispatcherBuilder,
Dispatcher
};
use super::controls::Action;
use super::pos::Pos;
use super::worldmessages::WorldMessage;
use super::resources::{
Size,
Output,
Input,
NewEntities,
Spawn
};
use super::systems::{
moving::Move,
makefloor::MakeFloor,
controlinput::ControlInput,
view::View,
remove::Remove,
create::Create
};
use crate::encyclopedia::Encyclopedia;
use crate::roomtemplate::RoomTemplate;
pub struct Room<'a, 'b> {
world: World,
dispatcher: Dispatcher<'a, 'b>
}
impl <'a, 'b>Room<'a, 'b> {
pub fn new(encyclopedia: Encyclopedia) -> Room<'a, 'b> {
let mut world = World::new();
world.insert(NewEntities{
templates: Vec::new(),
encyclopedia
});
let mut dispatcher = DispatcherBuilder::new()
.with(ControlInput, "controlinput", &[])
.with(MakeFloor::default(), "makefloor", &[])
.with(Move, "move", &["makefloor", "controlinput"])
.with(View::default(), "view", &["move"])
.with(Create, "create", &["view", "controlinput"])
.with(Remove, "remove", &["view", "move"])
.build();
dispatcher.setup(&mut world);
Room {
world,
dispatcher
}
}
pub fn load_from_template(&mut self, template: &RoomTemplate) {
let (width, height) = template.size;
self.world.fetch_mut::<Size>().width = width;
self.world.fetch_mut::<Size>().height = height;
self.world.fetch_mut::<Spawn>().pos = template.spawn;
for (idx, templates) in template.field.iter().enumerate() {
let x = (idx as i64) % width;
let y = (idx as i64) / width;
for template in templates {
self.world.fetch_mut::<NewEntities>().templates.push((Pos{x, y}, template.clone()));
}
}
}
pub fn view(&self) -> HashMap<String, WorldMessage> {
self.world.fetch::<Output>().output.clone()
}
pub fn update(&mut self) {
self.dispatcher.dispatch(&mut self.world);
self.world.maintain();
}
pub fn set_input(&mut self, actions: Vec<Action>){
self.world.fetch_mut::<Input>().actions = actions;
}
}
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