Solved day 22 part 2

Author: Gentleman1983

build.gradle

@@ -4,7 +4,7 @@ plugins {
 
 // project meta data
 group 'de.havox_design.aoc2015'
-version '0.21.3'
+version '0.21.4'
 
 // Switch to gradle "all" distribution.
 wrapper {

day22/src/main/java/de/havox_design/aoc2015/day22/RPGState.java

@@ -5,6 +5,8 @@
 
 public class RPGState {
 
+    final boolean hardMode;
+
     final RPGPlayer player;
 
     final RPGBoss boss;
@@ -13,10 +15,11 @@ public class RPGState {
 
     private final int[] spellDuration;
 
-    public RPGState(RPGPlayer player, RPGBoss boss, int[] spellDuration, AtomicInteger best) {
+    public RPGState(RPGPlayer player, RPGBoss boss, int[] spellDuration, boolean hardMode, AtomicInteger best) {
         this.player = player;
         this.boss = boss;
         this.spellDuration = spellDuration;
+        this.hardMode = hardMode;
         this.best = best;
     }
 
@@ -26,6 +29,29 @@ public RPGState apply(final RPGSpell spell) {
         int bossHitPoints = boss.hitPoints();
         int bossDamage = boss.damage();
 
+        if (hardMode) {
+            playerHitPoints--;
+            if (playerHitPoints <= 0) {
+                return new RPGState
+                        (
+                                new RPGPlayer
+                                        (
+                                                playerHitPoints,
+                                                playerMana,
+                                                player.manaSpent() + spell.getCosts()
+                                        ),
+                                new RPGBoss
+                                        (
+                                                bossHitPoints,
+                                                bossDamage
+                                        ),
+                                spellDuration,
+                                hardMode,
+                                best
+                        );
+            }
+        }
+
         final int[] newSpellDuration = Arrays.copyOf(spellDuration, spellDuration.length);
 
         // players turn
@@ -63,6 +89,7 @@ public RPGState apply(final RPGSpell spell) {
                                             bossDamage
                                     ),
                             newSpellDuration,
+                            hardMode,
                             best
                     );
         }
@@ -92,6 +119,7 @@ public RPGState apply(final RPGSpell spell) {
                                             bossDamage
                                     ),
                             newSpellDuration,
+                            hardMode,
                             best
                     );
         }
@@ -112,6 +140,7 @@ public RPGState apply(final RPGSpell spell) {
                                         bossDamage
                                 ),
                         newSpellDuration,
+                        hardMode,
                         best
                 );
     }

day22/src/main/java/de/havox_design/aoc2015/day22/RPGWizardFight.java

@@ -27,20 +27,20 @@ public static int solvePart2(String fileName) {
     }
 
     public int solvePart1() {
-        return calc();
+        return calc(false);
     }
 
     public int solvePart2() {
-        return 0;
+        return calc(true);
     }
 
-    private Integer calc() {
+    private Integer calc(boolean hardMode) {
         int hitPoints = Integer.parseInt(matchRegex("Hit Points: (\\d+)", input.get(0)).group(1));
         int damage = Integer.parseInt(matchRegex("Damage: (\\d+)", input.get(1)).group(1));
         RPGBoss boss = new RPGBoss(hitPoints, damage);
         RPGPlayer player = new RPGPlayer(50, 500, 0);
         AtomicInteger best = new AtomicInteger(Integer.MAX_VALUE);
-        RPGState state = new RPGState(player, boss, new int[RPGSpell.values().length], best);
+        RPGState state = new RPGState(player, boss, new int[RPGSpell.values().length], hardMode, best);
 
         Algorithms.breadthFirstSearch(state, this::producer, (x -> {
             if (x.getState().player.hitPoints() >= 0 && x.getState().boss.hitPoints() <= 0) {