85 lines
2.6 KiB
Rust
85 lines
2.6 KiB
Rust
use specs::prelude::*;
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use crate::particle_system::ParticleBuilder;
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use crate::{
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EntityMoved, EntryTrigger, GameLog, Hidden, InflictsDamage, Map, Name, Position,
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SingleActivation, SufferDamage,
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};
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pub struct TriggerSystem {}
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impl<'a> System<'a> for TriggerSystem {
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type SystemData = (
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ReadExpect<'a, Map>,
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WriteStorage<'a, EntityMoved>,
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ReadStorage<'a, Position>,
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ReadStorage<'a, EntryTrigger>,
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WriteStorage<'a, Hidden>,
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ReadStorage<'a, Name>,
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Entities<'a>,
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WriteExpect<'a, GameLog>,
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ReadStorage<'a, InflictsDamage>,
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WriteExpect<'a, ParticleBuilder>,
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WriteStorage<'a, SufferDamage>,
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WriteStorage<'a, SingleActivation>,
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);
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fn run(&mut self, data: Self::SystemData) {
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let (
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map,
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mut entity_moved,
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position,
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entry_trigger,
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mut hidden,
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names,
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entities,
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mut game_log,
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inflicts_damage,
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mut particle_builder,
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mut inflict_damage,
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single_activation,
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) = data;
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let mut remove_entities: Vec<Entity> = Vec::new();
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for (entity, mut _entity_moved, pos) in (&entities, &mut entity_moved, &position).join() {
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let idx = map.xy_idx(pos.x, pos.y);
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for entity_id in map.tile_content[idx].iter() {
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if *entity_id == entity {
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continue;
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}
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if let Some(_trigger) = entry_trigger.get(*entity_id) {
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if let Some(name) = names.get(*entity_id) {
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game_log.entries.push(format!("{} triggers", name.name))
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}
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hidden.remove(*entity_id);
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if let Some(damage) = inflicts_damage.get(*entity_id) {
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particle_builder.request(
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pos.x,
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pos.y,
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rltk::RGB::named(rltk::ORANGE),
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rltk::RGB::named(rltk::BLACK),
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rltk::to_cp437('‼'),
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200.0,
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);
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SufferDamage::new_damage(&mut inflict_damage, entity, damage.damage);
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}
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if let Some(_sa) = single_activation.get(*entity_id) {
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remove_entities.push(*entity_id);
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}
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}
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}
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}
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for trap in remove_entities.iter() {
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entities.delete(*trap).expect("Could not delete trap");
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}
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entity_moved.clear();
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}
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}
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