Complete section 5.26

src/components.rs

@@ -521,3 +521,8 @@ pub struct TileSize {
     pub x: i32,
     pub y: i32,
 }
+
+#[derive(Component, Debug, Default, Serialize, Deserialize, Clone)]
+pub struct OnDeath {
+    pub abilities: Vec<SpecialAbility>,
+}

src/components/tags.rs

@@ -51,3 +51,6 @@ pub struct ProvidesIdentification {}
 
 #[derive(Component, Debug, Serialize, Deserialize, Clone)]
 pub struct Confusion {}
+
+#[derive(Component, Debug, Serialize, Deserialize, Clone)]
+pub struct AlwaysTargetsSelf {}

src/damage_system.rs

@@ -1,10 +1,13 @@
 use ::rltk::RandomNumberGenerator;
 use ::specs::prelude::*;
 
-use crate::components::{Equipped, InBackpack, LootTable, Name, Player, Pools, Position};
+use crate::components::{
+    AreaOfEffect, Equipped, InBackpack, LootTable, Name, OnDeath, Player, Pools, Position,
+};
+use crate::effects::*;
 use crate::game_log::GameLog;
 use crate::raws::{self, SpawnType, RAWS};
-use crate::RunState;
+use crate::{Map, RunState};
 
 pub fn delete_the_dead(ecs: &mut World) {
     let mut dead: Vec<Entity> = Vec::new();
@@ -101,6 +104,42 @@ pub fn delete_the_dead(ecs: &mut World) {
         }
     }
 
+    // Fire death events
+    for victim in dead.iter() {
+        let death_effects = ecs.read_storage::<OnDeath>();
+        if let Some(death_effect) = death_effects.get(*victim) {
+            let mut rng = ecs.fetch_mut::<RandomNumberGenerator>();
+            for effect in death_effect.abilities.iter() {
+                if rng.roll_dice(1, 100) <= (effect.chance * 100.0) as i32 {
+                    let map = ecs.fetch::<Map>();
+                    if let Some(pos) = ecs.read_storage::<Position>().get(*victim) {
+                        let spell_entity =
+                            crate::raws::find_spell_entity(ecs, &effect.spell).unwrap();
+                        let tile_idx = map.xy_idx(pos.x, pos.y);
+                        let target = if let Some(aoe) =
+                            ecs.read_storage::<AreaOfEffect>().get(spell_entity)
+                        {
+                            Targets::Tiles {
+                                tiles: aoe_tiles(&map, rltk::Point::new(pos.x, pos.y), aoe.radius),
+                            }
+                        } else {
+                            Targets::Tile {
+                                tile_idx: tile_idx as i32,
+                            }
+                        };
+                        add_effect(
+                            None,
+                            EffectType::SpellUse {
+                                spell: crate::raws::find_spell_entity(ecs, &effect.spell).unwrap(),
+                            },
+                            target,
+                        );
+                    }
+                }
+            }
+        }
+    }
+
     for victim in dead {
         ecs.delete_entity(victim)
             .expect("Unable to delete the dead");

src/effects/triggers.rs

@@ -1,15 +1,17 @@
+use ::rltk::Point;
 use ::specs::prelude::*;
 
 use super::{add_effect, EffectType, Targets};
 use crate::components::{
-    AttributeBonus, Confusion, Consumable, DamageOverTime, Duration, Hidden, InflictsDamage,
-    MagicMapper, Name, Pools, ProvidesFood, ProvidesHealing, ProvidesIdentification, ProvidesMana,
-    ProvidesRemoveCurse, SingleActivation, Slow, SpawnParticleBurst, SpawnParticleLine,
-    SpellTemplate, TeachesSpell, TeleportTo, TownPortal,
+    AlwaysTargetsSelf, AreaOfEffect, AttributeBonus, Confusion, Consumable, DamageOverTime,
+    Duration, Hidden, InflictsDamage, KnownSpell, KnownSpells, MagicMapper, Name, Pools, Position,
+    ProvidesFood, ProvidesHealing, ProvidesIdentification, ProvidesMana, ProvidesRemoveCurse,
+    SingleActivation, Slow, SpawnParticleBurst, SpawnParticleLine, SpellTemplate, TeachesSpell,
+    TeleportTo, TownPortal,
 };
-use crate::effects::{entity_position, targeting};
+use crate::effects::{aoe_tiles, entity_position, targeting};
 use crate::raws::find_spell_entity;
-use crate::{colors, GameLog, KnownSpell, KnownSpells, Map, RunState};
+use crate::{colors, GameLog, Map, RunState};
 
 pub fn item_trigger(creator: Option<Entity>, item: Entity, targets: &Targets, ecs: &mut World) {
     // Check charges
@@ -44,6 +46,8 @@ pub fn item_trigger(creator: Option<Entity>, item: Entity, targets: &Targets, ec
 }
 
 pub fn spell_trigger(creator: Option<Entity>, spell: Entity, targets: &Targets, ecs: &mut World) {
+    let mut targeting = targets.clone();
+    let mut self_destruct = false;
     if let Some(template) = ecs.read_storage::<SpellTemplate>().get(spell) {
         let mut pools = ecs.write_storage::<Pools>();
         if let Some(caster) = creator {
@@ -52,10 +56,33 @@ pub fn spell_trigger(creator: Option<Entity>, spell: Entity, targets: &Targets,
                     pool.mana.current -= template.mana_cost;
                 }
             }
-        }
-    }
 
-    event_trigger(creator, spell, targets, ecs);
+            // Handle self-targeting override
+            if ecs.read_storage::<AlwaysTargetsSelf>().get(spell).is_some() {
+                if let Some(pos) = ecs.read_storage::<Position>().get(caster) {
+                    let map = ecs.fetch::<Map>();
+                    targeting = if let Some(aoe) = ecs.read_storage::<AreaOfEffect>().get(spell) {
+                        Targets::Tiles {
+                            tiles: aoe_tiles(&map, Point::new(pos.x, pos.y), aoe.radius),
+                        }
+                    } else {
+                        Targets::Tile {
+                            tile_idx: map.xy_idx(pos.x, pos.y) as i32,
+                        }
+                    }
+                }
+            }
+        }
+        if let Some(_destruct) = ecs.read_storage::<SingleActivation>().get(spell) {
+            self_destruct = true;
+        }
+    }
+    event_trigger(creator, spell, &targeting, ecs);
+    if self_destruct && creator.is_some() {
+        ecs.entities()
+            .delete(creator.unwrap())
+            .expect("Unable to delete owner");
+    }
 }
 
 pub fn trigger(creator: Option<Entity>, trigger: Entity, targets: &Targets, ecs: &mut World) {
@@ -320,7 +347,7 @@ fn event_trigger(
 }
 
 fn spawn_line_particles(ecs: &World, start: i32, end: i32, part: &SpawnParticleLine) {
-    use ::rltk::{LineAlg, Point};
+    use ::rltk::LineAlg;
 
     let map = ecs.fetch::<Map>();
     let start_pt = Point::new(start % map.width, end / map.width);

src/main.rs

@@ -81,6 +81,7 @@ fn init_state() -> State {
 
     register!(
         state <-
+        AlwaysTargetsSelf,
         ApplyMove,
         ApplyTeleport,
         AreaOfEffect,
@@ -120,6 +121,7 @@ fn init_state() -> State {
         Name,
         NaturalAttackDefense,
         ObfuscatedName,
+        OnDeath,
         OtherLevelPosition,
         ParticleLifetime,
         Player,

src/raws/mob_structs.rs

@@ -25,6 +25,7 @@ pub struct Mob {
     pub gold: Option<String>,
     pub vendor: Option<Vec<String>>,
     pub abilities: Option<Vec<MobAbility>>,
+    pub on_death: Option<Vec<MobAbility>>,
 }
 
 #[derive(Deserialize, Debug)]

src/raws/rawmaster.rs

@@ -337,6 +337,7 @@ macro_rules! apply_effects {
                         damage: effect.1.parse::<i32>().unwrap(),
                     })
                 }
+                "target_self" => $eb = $eb.with(AlwaysTargetsSelf {}),
                 _ => {
                     console::log(format!(
                         "WARNING: consumable effect '{}' not implemented.",
@@ -667,6 +668,20 @@ pub fn spawn_named_mob(
             eb = eb.with(a);
         }
 
+        if let Some(ability_list) = &mob_template.on_death {
+            let mut a = OnDeath::default();
+            for ability in ability_list.iter() {
+                a.abilities.push(SpecialAbility {
+                    chance: ability.chance,
+                    spell: ability.spell.clone(),
+                    range: ability.range,
+                    min_range: ability.min_range,
+                });
+            }
+
+            eb = eb.with(a);
+        }
+
         let new_mob = eb.build();
 
         // Are they wielding anything?

src/saveload_system.rs

@@ -60,6 +60,7 @@ pub fn save_game(ecs: &mut World) {
             ecs,
             serializer,
             data,
+            AlwaysTargetsSelf,
             ApplyMove,
             ApplyTeleport,
             AreaOfEffect,
@@ -99,6 +100,7 @@ pub fn save_game(ecs: &mut World) {
             Name,
             NaturalAttackDefense,
             ObfuscatedName,
+            OnDeath,
             OtherLevelPosition,
             ParticleLifetime,
             Player,
@@ -192,6 +194,7 @@ pub fn load_game(ecs: &mut World) {
             ecs,
             de,
             d,
+            AlwaysTargetsSelf,
             ApplyMove,
             ApplyTeleport,
             AreaOfEffect,
@@ -231,6 +234,7 @@ pub fn load_game(ecs: &mut World) {
             Name,
             NaturalAttackDefense,
             ObfuscatedName,
+            OnDeath,
             OtherLevelPosition,
             ParticleLifetime,
             Player,