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use std::collections::HashMap;
use specs::{
World,
WorldExt,
Builder,
DispatcherBuilder,
Dispatcher,
Entity
};
use super::controls::Action;
use super::pos::Pos;
use super::components::Position;
use super::assemblages::Assemblage;
use super::worldmessages::WorldMessage;
use super::resources::{
Size,
Output,
Input,
NewEntities
};
use super::systems::{
moving::Move,
clearcontrols::ClearControllers,
makefloor::MakeFloor,
controlinput::ControlInput,
view::View
};
pub struct Room<'a, 'b> {
world: World,
dispatcher: Dispatcher<'a, 'b>
}
impl <'a, 'b>Room<'a, 'b> {
pub fn new(size: (i32, i32)) -> Room<'a, 'b> {
let (width, height) = size;
let mut world = World::new();
world.insert(Size{width, height});
world.insert(Input{actions: Vec::new()});
world.insert(Output{output: HashMap::new()});
let mut dispatcher = DispatcherBuilder::new()
.with(ControlInput, "controlinput", &[])
.with(MakeFloor, "makefloor", &[])
.with(Move, "move", &["makefloor", "controlinput"])
.with(ClearControllers, "clearcontrollers", &["move"])
.with(View::default(), "view", &["move"])
.build();
dispatcher.setup(&mut world);
Room {
world,
dispatcher
}
}
pub fn view(&self) -> HashMap<String, WorldMessage> {
self.world.fetch::<Output>().output.clone()
}
pub fn update(&mut self) {
self.dispatcher.dispatch(&mut self.world);
let assemblages = self.world.remove::<NewEntities>().unwrap_or(NewEntities{assemblages: Vec::new()}).assemblages;
self.world.insert(NewEntities{assemblages: Vec::new()});
for (pos, assemblage) in assemblages{
assemblage.build(self.world.create_entity()).with(Position::new(pos)).build();
}
self.world.maintain();
}
pub fn get_size(&self) -> (i32, i32) {
let Size{width, height} = *self.world.fetch::<Size>();
(width, height)
}
pub fn set_input(&mut self, actions: Vec<Action>){
self.world.fetch_mut::<Input>().actions = actions;
}
pub fn add_obj(&mut self, template: &dyn Assemblage, (x, y): (i32, i32)) -> Entity {
template.build(self.world.create_entity()).with(Position::new(Pos{x, y})).build()
}
}
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