lew/rust-rl
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

fancy particle effects

Browse source
This commit is contained in:
Llywelwyn 2023-08-21 22:43:19 +01:00
parent 5f23822f62
commit 366c5d6543
8 changed files with 189 additions and 79 deletions
Download patch file Download diff file Expand all files Collapse all files

77
src/effects/triggers.rs
View file

@ -1,9 +1,8 @@
use super::{add_effect, get_noncursed, spatial, targeting, EffectType, Entity, Targets, World};
use super::{add_effect, get_noncursed, particles, spatial, targeting, EffectType, Entity, Targets, World};
use crate::{
gamelog, gui::item_colour_ecs, gui::obfuscate_name_ecs, gui::renderable_colour, Beatitude, Charges, Confusion,
Consumable, Destructible, Hidden, InflictsDamage, Item, MagicMapper, Map, Player, Prop, ProvidesHealing,
ProvidesNutrition, RandomNumberGenerator, Renderable, RunState, SingleActivation, SpawnParticleBurst,
SpawnParticleLine, BUC,
Consumable, Destructible, Hidden, InflictsDamage, Item, MagicMapper, Player, Prop, ProvidesHealing,
ProvidesNutrition, RandomNumberGenerator, Renderable, RunState, SingleActivation, BUC,
};
use rltk::prelude::*;
use specs::prelude::*;
@ -62,41 +61,8 @@ fn event_trigger(source: Option<Entity>, entity: Entity, target: &Targets, ecs:
let logger = gamelog::Logger::new();
let mut did_something = false;
// Simple particle spawn
if let Some(part) = ecs.read_storage::<SpawnParticleBurst>().get(entity) {
add_effect(
event.source,
EffectType::Particle {
glyph: part.glyph,
fg: part.colour,
bg: RGB::named(BLACK),
lifespan: part.lifetime_ms,
delay: 0.0,
},
event.target.clone(),
);
}
// Line particle spawn
if let Some(part) = ecs.read_storage::<SpawnParticleLine>().get(entity) {
if let Some(start_pos) = targeting::find_item_position(ecs, entity) {
match target {
Targets::Tile { target } => spawn_line_particles(ecs, start_pos, *target as i32, part),
Targets::TileList { targets } => {
targets.iter().for_each(|target| spawn_line_particles(ecs, start_pos, *target as i32, part))
}
Targets::Entity { target } => {
if let Some(end_pos) = targeting::entity_position(ecs, *target) {
spawn_line_particles(ecs, start_pos, end_pos as i32, part);
}
}
Targets::EntityList { targets } => targets.iter().for_each(|target| {
if let Some(end_pos) = targeting::entity_position(ecs, *target) {
spawn_line_particles(ecs, start_pos, end_pos as i32, part);
}
}),
}
}
}
particles::handle_burst_particles(ecs, entity, &target);
particles::handle_line_particles(ecs, entity, &target);
let (logger, restored_nutrition) = handle_restore_nutrition(ecs, &mut event, logger);
let (logger, magic_mapped) = handle_magic_mapper(ecs, &mut event, logger);
let (logger, healed) = handle_healing(ecs, &mut event, logger);
@ -262,36 +228,3 @@ fn get_entity_targets(target: &Targets) -> Vec<Entity> {
}
return entities;
}
fn spawn_line_particles(ecs: &World, start: i32, end: i32, part: &SpawnParticleLine) {
let map = ecs.fetch::<Map>();
let start_pt = Point::new(start % map.width, start / map.width);
let end_pt = Point::new(end % map.width, end / map.width);
let line = line2d(LineAlg::Bresenham, start_pt, end_pt);
for (i, pt) in line.iter().enumerate() {
add_effect(
None,
EffectType::Particle {
glyph: part.glyph,
fg: part.colour,
bg: RGB::named(BLACK),
lifespan: part.lifetime_ms,
delay: i as f32 * part.lifetime_ms,
},
Targets::Tile { target: map.xy_idx(pt.x, pt.y) },
);
if i > 0 {
add_effect(
None,
EffectType::Particle {
glyph: to_cp437('-'),
fg: part.trail_colour,
bg: RGB::named(BLACK),
lifespan: part.trail_lifetime_ms,
delay: i as f32 * part.lifetime_ms,
},
Targets::Tile { target: map.xy_idx(line[i - 1].x, line[i - 1].y) },
);
}
}
}