Program: 164036
Project: 164036
Buggy source:
public static void trample(Level level,int pos,Char ch){
  Level.set(pos,Terrain.GRASS);
  GameScene.updateMap(pos);
  if (!Dungeon.isChallenged(Challenges.NO_HERBALISM)) {
    int naturalismLevel=0;
    if (ch != null) {
      SandalsOfNature.Naturalism naturalism=ch.buff(SandalsOfNature.Naturalism.class);
      if (naturalism != null) {
        if (!naturalism.isCursed()) {
          naturalismLevel=naturalism.itemLevel() + 1;
          naturalism.charge();
        }
 else {
          naturalismLevel=-1;
        }
      }
    }
    if (naturalismLevel >= 0) {
      if (Random.Int(16 - ((int)(naturalismLevel * 3))) == 0) {
        Item seed=Generator.random(Generator.Category.SEED);
        if (seed instanceof BlandfruitBush.Seed) {
          if (Random.Int(15) - Dungeon.limitedDrops.blandfruitSeed.count >= 0) {
            level.drop(seed,pos).sprite.drop();
            Dungeon.limitedDrops.blandfruitSeed.count++;
          }
        }
 else         level.drop(seed,pos).sprite.drop();
      }
      if (Random.Int(24 - naturalismLevel * 3) <= 3) {
        level.drop(new Dewdrop(),pos).sprite.drop();
      }
    }
  }
  int leaves=4;
  if (ch instanceof Hero) {
    Hero hero=(Hero)ch;
    if (hero.subClass == HeroSubClass.WARDEN) {
      Buff.affect(ch,Barkskin.class).level(ch.HT / 3);
      leaves+=4;
    }
    if (hero.belongings.armor != null && hero.belongings.armor.hasGlyph(Camouflage.class)) {
      Buff.affect(hero,Camouflage.Camo.class).set(3 + hero.belongings.armor.level());
      leaves+=4;
    }
  }
  CellEmitter.get(pos).burst(LeafParticle.LEVEL_SPECIFIC,leaves);
  if (ch != Dungeon.hero)   Dungeon.observe();
}

Fixed version (ground truth):
public static void trample(Level level,int pos,Char ch){
  Level.set(pos,Terrain.GRASS);
  GameScene.updateMap(pos);
  if (!Dungeon.isChallenged(Challenges.NO_HERBALISM)) {
    int naturalismLevel=0;
    if (ch != null) {
      SandalsOfNature.Naturalism naturalism=ch.buff(SandalsOfNature.Naturalism.class);
      if (naturalism != null) {
        if (!naturalism.isCursed()) {
          naturalismLevel=naturalism.itemLevel() + 1;
          naturalism.charge();
        }
 else {
          naturalismLevel=-1;
        }
      }
    }
    if (naturalismLevel >= 0) {
      if (Random.Int(16 - ((int)(naturalismLevel * 3))) == 0) {
        Item seed=Generator.random(Generator.Category.SEED);
        if (seed instanceof BlandfruitBush.Seed) {
          if (Random.Int(15) - Dungeon.limitedDrops.blandfruitSeed.count >= 0) {
            level.drop(seed,pos).sprite.drop();
            Dungeon.limitedDrops.blandfruitSeed.count++;
          }
        }
 else         level.drop(seed,pos).sprite.drop();
      }
      if (Random.Int(24 - naturalismLevel * 3) <= 3) {
        level.drop(new Dewdrop(),pos).sprite.drop();
      }
    }
  }
  int leaves=4;
  if (ch instanceof Hero) {
    Hero hero=(Hero)ch;
    if (hero.subClass == HeroSubClass.WARDEN) {
      Buff.affect(ch,Barkskin.class).level(ch.HT / 3);
      leaves+=4;
    }
    if (hero.belongings.armor != null && hero.belongings.armor.hasGlyph(Camouflage.class)) {
      Buff.affect(hero,Camouflage.Camo.class).set(3 + hero.belongings.armor.level());
      leaves+=4;
    }
  }
  CellEmitter.get(pos).burst(LeafParticle.LEVEL_SPECIFIC,leaves);
  if (Dungeon.visible[pos])   Dungeon.observe();
}