bevy_combat 0.1.0

A sci-fi battle simulation implemented in the bevy engine.
Documentation 
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use bevy::prelude::*;

use super::{mortal::Health, effects::Effect, Target};

/// Entity will deal a specified amount of damage.
pub struct Damage(pub f32);

impl Damage {
    pub fn new(damage: f32) -> Self {
        Damage { 0: damage }
    }
}

/// Applies damage effects to entities.
pub fn apply_damage(
    query: Query<(
        &Target, &Damage
    ), With<Effect>>,
    mut health_query: Query<&mut Health>
) {
    for (target, damage) in query.iter() {

        if let Some(target_entity) = target.0 {
            if let Ok(mut health) = health_query.get_mut(target_entity) {
                health.0 -= damage.0;
                //println!("damage dealt to {:?}! health now {:?}.", target_entity, health.0);
            }
        }
    }
}

#[derive(PartialEq, Clone, Hash, Debug, Eq, SystemLabel)]
pub enum DamageSystems {
    ApplyDamage
}