el_diablo/src/artifacts.rs

78 lines
1.9 KiB
Rust

use ratatui::style::Color;
use crate::player::Player;
use crate::position::Position;
pub trait Artifact {
//! An artifact that can be collected by the player
fn get_representation(&self) -> (&str, Color);
/// get the position of the artifact in the level
fn get_immutable_position(&self) -> &Position;
/// call to apply the effects of the artifact to the player
fn collect(&mut self, player: &mut Player);
/// returns if the artifact was collected and can be removed from the level
fn was_collected(&self) -> bool;
}
pub struct Chest {
/// a chest that contains some gold
position: Position,
gold: usize,
}
impl Chest {
pub fn new(position: Position) -> Self {
let level = position.get_level();
Self {
position,
// TODO maybe randomize this?
gold: (level + 1) * 10,
}
}
}
impl Artifact for Chest {
fn get_representation(&self) -> (&str, Color) {
("C", Color::Blue)
}
fn get_immutable_position(&self) -> &Position { &self.position }
fn collect(&mut self, player: &mut Player) {
player.retrieve_gold(self.gold);
self.gold = 0;
}
fn was_collected(&self) -> bool {
self.gold == 0
}
}
pub struct Potion {
/// a potion that restores some health
position: Position,
health: usize,
}
impl Potion {
pub fn new(position: Position) -> Self {
Self {
position,
health: 5,
}
}
}
impl Artifact for Potion {
fn get_representation(&self) -> (&str, Color) {
("P", Color::Green)
}
fn get_immutable_position(&self) -> &Position { &self.position }
fn collect(&mut self, player: &mut Player) {
player.change_life(self.health.try_into().unwrap());
self.health = 0;
}
fn was_collected(&self) -> bool {
self.health == 0
}
}