67 lines
1.7 KiB
Rust
67 lines
1.7 KiB
Rust
use ::specs::prelude::*;
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use super::{EffectSpawner, EffectType};
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use crate::components::{ParticleAnimation, ParticleLifetime, Position, Renderable};
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use crate::map::Map;
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use crate::particle_system::ParticleBuilder;
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pub fn particle_to_tile(ecs: &mut World, tile_idx: i32, effect: &EffectSpawner) {
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if let EffectType::Particle {
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glyph,
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fg,
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bg,
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lifespan,
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} = effect.effect_type
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{
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let map = ecs.fetch::<Map>();
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let mut particle_builder = ecs.fetch_mut::<ParticleBuilder>();
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particle_builder.request(
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tile_idx % map.width,
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tile_idx / map.width,
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fg,
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bg,
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glyph,
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lifespan,
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);
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}
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}
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pub fn projectile(ecs: &mut World, tile_idx: i32, effect: &EffectSpawner) {
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if let EffectType::ParticleProjectile {
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glyph,
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fg,
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bg,
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lifespan: _,
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speed,
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path,
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} = &effect.effect_type
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{
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let x: i32;
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let y: i32;
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{
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let map = ecs.fetch::<Map>();
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x = tile_idx % map.width;
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y = tile_idx / map.width;
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}
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ecs.create_entity()
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.with(Position { x, y })
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.with(Renderable {
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fg: *fg,
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bg: *bg,
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glyph: *glyph,
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render_order: 0,
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})
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.with(ParticleLifetime {
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lifetime_ms: path.len() as f32 * speed,
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animation: Some(ParticleAnimation {
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step_time: *speed,
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path: path.to_vec(),
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current_step: 0,
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timer: 0.0,
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}),
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})
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.build();
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}
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}
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