Memorial stones only for level 10 creatures, at most 30 per map

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

docs/ROADMAP.md

@@ -140,8 +140,8 @@ grid), guard and attack markers (shields and swords), savegames with the game st
    or trees with lightning every 6-20 s. Dimmed daylight, rain streaks, fog veils, flashes; a HUD label.
 6. **Named creatures** (done, v202611-00068, names.rs) - every creature gets a name from its kind's list in the
    language files (20 per kind, per language), a humorous epithet from level 5 and a grand one from level 8;
-   names in the hover info, the creature overview and the messages. A creature of level 3+ that falls leaves a
-   memorial stone on its master's ground (hover: who lies there; at most 24).
+   names in the hover info, the creature overview and the messages. A creature of level 10 that falls leaves a
+   memorial stone on its master's ground (hover: who lies there; at most 30 per map).
 7. **Hall of the fallen** (done, v202611-00073) - every named creature of level 3+ that falls is remembered
    with its level, heroes slain and how it fell (slain by a kind, lava, water, snare, lightning): in the game
    (creature overview "Fallen", or a click with the hand on a memorial stone) and over all games on the

src/names.rs

@@ -8,9 +8,11 @@ use crate::i18n::{tr, trf};
 use crate::map::*;
 use serde::{Deserialize, Serialize};
 
-// the fallen get a stone from this level on; at most MAX_MEMORIALS stones (the oldest go)
-pub const MEMORIAL_LEVEL: u32 = 3;
-pub const MAX_MEMORIALS: usize = 24;
+// the fallen are remembered in the hall from HALL_LEVEL on; only the greatest (MEMORIAL_LEVEL)
+// get a stone on the map, at most MAX_MEMORIALS of them (the oldest go)
+pub const HALL_LEVEL: u32 = 3;
+pub const MEMORIAL_LEVEL: u32 = 10;
+pub const MAX_MEMORIALS: usize = 30;
 
 // what killed a creature besides another unit (Ent::bane)
 pub const BANE_SNARE: u8 = 250;
@@ -134,13 +136,17 @@ impl Game {
     // a named creature of some standing fell: a stone with its name on its master's ground, as
     // near to where it fell as there is plain floor
     pub(crate) fn raise_memorial(&mut self, e: &Ent) -> bool {
-        if e.hero || e.name == 0 || e.level < MEMORIAL_LEVEL || !Owner::MASTER_SIDES.contains(&e.side) {
+        if e.hero || e.name == 0 || e.level < HALL_LEVEL || !Owner::MASTER_SIDES.contains(&e.side) {
             return false;
         }
         // the hall of the fallen keeps the local master's (also without room for a stone)
         if e.side == self.local_side {
             self.hall.push(Fallen { kind: e.kind, name: e.name, level: e.level, kills: e.kills, bane: e.bane, time: self.time, when: 0 });
         }
+        // a stone only for the greatest
+        if e.level < MEMORIAL_LEVEL {
+            return false; // the usual message tells of it
+        }
         let owner = Owner::of_side(e.side);
         let (x, y) = (e.x as i32, e.y as i32);
         let taken: Vec<usize> = self.memorials.iter().map(|m| m.tile).collect();
@@ -261,12 +267,18 @@ mod tests {
                 t.owner = Owner::Player;
             }
         }
-        let id = g.spawn(EK::Ogre, false, cx as f32 + 1.5, cy as f32 + 5.5, 4);
+        let id = g.spawn(EK::Ogre, false, cx as f32 + 1.5, cy as f32 + 5.5, 10);
         let j = g.ents.iter().position(|e| e.id == id).unwrap();
         g.kill(j);
         assert_eq!(g.memorials.len(), 1);
-        let m = &g.memorials[0];
-        assert_eq!((m.kind, m.level), (EK::Ogre, 4));
+        let m = g.memorials[0].clone();
+        assert_eq!((m.kind, m.level), (EK::Ogre, 10));
+        // level 4: in the hall, but no stone on the map
+        let o4 = g.spawn(EK::Ogre, false, cx as f32 + 3.5, cy as f32 + 5.5, 4);
+        let j = g.ents.iter().position(|e| e.id == o4).unwrap();
+        g.kill(j);
+        assert_eq!(g.memorials.len(), 1);
+        assert_eq!(g.hall.len(), 2);
         assert!(g.memorial_at(m.tile).is_some());
         // a level 1 kobold is not remembered
         let k = g.spawn(EK::Kobold, false, cx as f32 + 2.5, cy as f32 + 5.5, 1);