v2.2.0: bosses from the sewers quest now tend to wander towards the hero

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/mobs/FetidRat.java

@@ -21,6 +21,7 @@
 
 package com.shatteredpixel.shatteredpixeldungeon.actors.mobs;
 
+import com.shatteredpixel.shatteredpixeldungeon.Dungeon;
 import com.shatteredpixel.shatteredpixeldungeon.actors.Char;
 import com.shatteredpixel.shatteredpixeldungeon.actors.blobs.Blob;
 import com.shatteredpixel.shatteredpixeldungeon.actors.blobs.StenchGas;
@@ -29,6 +30,7 @@ import com.shatteredpixel.shatteredpixeldungeon.actors.buffs.Ooze;
 import com.shatteredpixel.shatteredpixeldungeon.actors.mobs.npcs.Ghost;
 import com.shatteredpixel.shatteredpixeldungeon.scenes.GameScene;
 import com.shatteredpixel.shatteredpixeldungeon.sprites.FetidRatSprite;
+import com.watabou.utils.PathFinder;
 import com.watabou.utils.Random;
 
 public class FetidRat extends Rat {
@@ -41,6 +43,7 @@ public class FetidRat extends Rat {
 
 		EXP = 4;
 
+		WANDERING = new Wandering();
 		state = WANDERING;
 
 		properties.add(Property.MINIBOSS);
@@ -82,6 +85,21 @@ public class FetidRat extends Rat {
 		Ghost.Quest.process();
 	}
 
+	protected class Wandering extends Mob.Wandering{
+		@Override
+		protected int randomDestination() {
+			//of two potential wander positions, picks the one closest to the hero
+			int pos1 = super.randomDestination();
+			int pos2 = super.randomDestination();
+			PathFinder.buildDistanceMap(Dungeon.hero.pos, Dungeon.level.passable);
+			if (PathFinder.distance[pos2] < PathFinder.distance[pos1]){
+				return pos2;
+			} else {
+				return pos1;
+			}
+		}
+	}
+	
 	{
 		immunities.add( StenchGas.class );
 	}

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/mobs/GnollTrickster.java

@@ -36,6 +36,7 @@ import com.shatteredpixel.shatteredpixeldungeon.mechanics.Ballistica;
 import com.shatteredpixel.shatteredpixeldungeon.scenes.GameScene;
 import com.shatteredpixel.shatteredpixeldungeon.sprites.GnollTricksterSprite;
 import com.watabou.utils.Bundle;
+import com.watabou.utils.PathFinder;
 import com.watabou.utils.Random;
 
 public class GnollTrickster extends Gnoll {
@@ -48,6 +49,7 @@ public class GnollTrickster extends Gnoll {
 
 		EXP = 5;
 
+		WANDERING = new Wandering();
 		state = WANDERING;
 
 		//at half quantity, see createLoot()
@@ -125,6 +127,21 @@ public class GnollTrickster extends Gnoll {
 		Ghost.Quest.process();
 	}
 
+	protected class Wandering extends Mob.Wandering{
+		@Override
+		protected int randomDestination() {
+			//of two potential wander positions, picks the one closest to the hero
+			int pos1 = super.randomDestination();
+			int pos2 = super.randomDestination();
+			PathFinder.buildDistanceMap(Dungeon.hero.pos, Dungeon.level.passable);
+			if (PathFinder.distance[pos2] < PathFinder.distance[pos1]){
+				return pos2;
+			} else {
+				return pos1;
+			}
+		}
+	}
+
 	private static final String COMBO = "combo";
 
 	@Override

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/mobs/Golem.java

@@ -197,7 +197,7 @@ public class Golem extends Mob {
 				teleporting = true;
 				spend( 2*TICK );
 			} else {
-				target = Dungeon.level.randomDestination( Golem.this );
+				target = randomDestination();
 				spend( TICK );
 			}
 

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/mobs/GreatCrab.java

@@ -32,6 +32,7 @@ import com.shatteredpixel.shatteredpixeldungeon.sprites.CharSprite;
 import com.shatteredpixel.shatteredpixeldungeon.sprites.GreatCrabSprite;
 import com.shatteredpixel.shatteredpixeldungeon.utils.GLog;
 import com.watabou.noosa.audio.Sample;
+import com.watabou.utils.PathFinder;
 import com.watabou.utils.Random;
 
 public class GreatCrab extends Crab {
@@ -45,6 +46,7 @@ public class GreatCrab extends Crab {
 
 		EXP = 6;
 
+		WANDERING = new Wandering();
 		state = WANDERING;
 
 		loot = new MysteryMeat().quantity(2);
@@ -109,4 +111,19 @@ public class GreatCrab extends Crab {
 
 		Ghost.Quest.process();
 	}
+
+	protected class Wandering extends Mob.Wandering{
+		@Override
+		protected int randomDestination() {
+			//of two potential wander positions, picks the one closest to the hero
+			int pos1 = super.randomDestination();
+			int pos2 = super.randomDestination();
+			PathFinder.buildDistanceMap(Dungeon.hero.pos, Dungeon.level.passable);
+			if (PathFinder.distance[pos2] < PathFinder.distance[pos1]){
+				return pos2;
+			} else {
+				return pos1;
+			}
+		}
+	}
 }

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/mobs/Mob.java

@@ -1081,13 +1081,17 @@ public abstract class Mob extends Char {
 				spend( 1 / speed() );
 				return moveSprite( oldPos, pos );
 			} else {
-				target = Dungeon.level.randomDestination( Mob.this );
+				target = randomDestination();
 				spend( TICK );
 			}
 			
 			return true;
 		}
 
+		protected int randomDestination(){
+			return Dungeon.level.randomDestination( Mob.this );
+		}
+		
 	}
 
 	protected class Hunting implements AiState {