Champions of the Order lead every fifth wave: four bosses with abilities, a health bar and loot

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/game.rs

@@ -296,6 +296,8 @@ pub struct Ent {
     pub target: Option<u8>, // attackers: side whose core (or gate) they march on
     #[serde(default)]
     pub chained: bool, // a lone creature chained in a sealed cave: joins when the cave is claimed
+    #[serde(default)]
+    pub boss: u8, // a champion of the Order leading a wave (see bosses.rs), 0: none
     #[serde(skip, default = "zero_f32")]
     pub disp_x: f32, // smoothed screen position (not part of the saved or synced world state)
     #[serde(skip, default = "zero_f32")]
@@ -366,6 +368,7 @@ impl Ent {
             side: 0,
             target: None,
             chained: false,
+            boss: 0,
             disp_x: 0.0,
             disp_y: 0.0,
         }
@@ -2152,6 +2155,12 @@ impl Game {
         self.last_wave_value = Self::squad_value(&list);
         let before = self.ents.len();
         self.spawn_squad(&list, false);
+        // the paladin of every fifth wave is one of the Order's champions
+        if boss.is_some() {
+            if let Some(j) = (before..self.ents.len()).find(|&j| self.ents[j].kind == Paladin) {
+                self.make_boss(j, 1 + ((w / 5 - 1) % 4) as u8);
+            }
+        }
         if goal != self.me_side {
             for e in self.ents[before..].iter_mut() {
                 e.target = Some(goal);
@@ -2731,6 +2740,7 @@ impl Game {
     }
 
     pub(crate) fn kill(&mut self, j: usize) {
+        self.boss_loot(j);
         let e = &self.ents[j];
         if e.hero && e.captive == 0 && self.prison_space() > 0 {
             // knocked out instead of killed: imps carry the hero to the torture chamber
@@ -4450,6 +4460,9 @@ impl Game {
     // ---------------------------------------------------------------- heroes
 
     fn hero_ai(&mut self, e: &mut Ent, dt: f32) {
+        if e.boss > 0 {
+            self.boss_ability(e, dt);
+        }
         if e.kind == EK::Fairy {
             // fairy dust: the heroes around are healed a little all the time
             for o in self.ents.iter_mut() {