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use js_sys::Array;
use wasm_bindgen::{prelude::*, JsCast};
use crate::{
constants::EffectType,
local::Position,
objects::{Room, RoomPosition},
prelude::*,
};
#[wasm_bindgen]
extern "C" {
/// Parent class for all objects in rooms in the game world.
///
/// [Screeps documentation](https://docs.screeps.com/api/#Room)
#[derive(Clone, Debug)]
pub type RoomObject;
/// Effects applied to the object.
///
/// [Screeps documentation](https://docs.screeps.com/api/#RoomObject.effects)
#[wasm_bindgen(method, getter = effects)]
fn effects_internal(this: &RoomObject) -> Option<Array>;
/// Gets the [`RoomPosition`] of an object, which is a reference to an
/// object in the javascript heap. In most cases, you'll likely want a
/// native [`Position`] instead of using this function (see
/// [`HasPosition::pos`]), there may be cases where this can provide
/// some slight performance benefits due to reducing object churn in the js
/// heap, so this is kept public.
///
/// [Screeps documentation](https://docs.screeps.com/api/#RoomObject.pos)
#[wasm_bindgen(method, getter = pos)]
pub fn js_pos(this: &RoomObject) -> RoomPosition;
/// A link to the room that the object is currently in, or `None` if the
/// object is a power creep not spawned on the current shard, or a flag or
/// construction site not in a visible room.
///
/// [Screeps documentation](https://docs.screeps.com/api/#RoomObject.room)
#[wasm_bindgen(method, getter)]
pub fn room(this: &RoomObject) -> Option<Room>;
}
#[wasm_bindgen]
extern "C" {
#[wasm_bindgen]
#[derive(Debug)]
pub type Effect;
#[wasm_bindgen(method, getter)]
pub fn effect(this: &Effect) -> EffectType;
#[wasm_bindgen(method, getter)]
pub fn level(this: &Effect) -> Option<u8>;
#[wasm_bindgen(method, getter = ticksRemaining)]
pub fn ticks_remaining(this: &Effect) -> EffectType;
}
impl<T> HasPosition for T
where
T: AsRef<RoomObject>,
{
fn pos(&self) -> Position {
self.as_ref().js_pos().into()
}
}
impl<T> RoomObjectProperties for T
where
T: AsRef<RoomObject>,
{
fn effects(&self) -> Vec<Effect> {
RoomObject::effects_internal(self.as_ref())
.map(|arr| arr.iter().map(JsCast::unchecked_into).collect())
.unwrap_or_default()
}
fn effects_raw(&self) -> Option<Array> {
RoomObject::effects_internal(self.as_ref())
}
fn room(&self) -> Option<Room> {
RoomObject::room(self.as_ref())
}
}