v1.2.0: implemented buffs to summon elemental

core/src/main/assets/messages/items/items.properties

@@ -1103,8 +1103,8 @@ items.spells.summonelemental.name=summon elemental
 items.spells.summonelemental.ac_imbue=IMBUE
 items.spells.summonelemental.summon_limit=You can only have one elemental summoned at a time.
 items.spells.summonelemental.imbue_prompt=Imbue an item
-items.spells.summonelemental.desc=This spell channels the energy of the elemental embers used to make it, and will allow you to summon a friendly elemental to fight with you! Only one elemental can be summoned at a time.
-items.spells.summonelemental.desc_newborn=The spell is currently unimbued, and will summon a weaker _newborn elemental_. You can imbue an identified potion of liquid flame, potion of frost, scroll of recharging, or scroll of transmutation to power the spell up, causing its next summon to be a full power elemental!
+items.spells.summonelemental.desc=This spell channels the energy of the elemental embers used to make it, and will allow you to summon a friendly elemental to fight with you! Only one elemental can be summoned at a time, but the spell can be re-cast to return the elemental to you at no cost.
+items.spells.summonelemental.desc_newborn=The spell is currently unimbued, and will summon a _newborn elemental_. You can imbue an identified potion of liquid flame, potion of frost, scroll of recharging, or scroll of transmutation to power the spell up, causing its next summon to be a full power elemental!
 items.spells.summonelemental.desc_fire=The spell is currently hot to the touch, its next summon will be a _fire elemental_. You can imbue a different item, but the spell will lose its current imbue.
 items.spells.summonelemental.desc_frost=The spell is currently cold to the touch, its next summon will be a _frost elemental_. You can imbue a different item, but the spell will lose its current imbue.
 items.spells.summonelemental.desc_shock=The spell is currently radiating static energy, its next summon will be a _shock elemental_. You can imbue a different item, but the spell will lose its current imbue.

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

@@ -60,14 +60,34 @@ public abstract class Elemental extends Mob {
 		flying = true;
 	}
 
+	private boolean summonedALly;
+	
 	@Override
 	public int damageRoll() {
-		return Random.NormalIntRange( 20, 25 );
+		if (!summonedALly) {
+			return Random.NormalIntRange(20, 25);
+		} else {
+			int regionScale = Math.max(2, (1 + Dungeon.depth/5));
+			return Random.NormalIntRange(5*regionScale, 5 + 5*regionScale);
+		}
 	}
 	
 	@Override
 	public int attackSkill( Char target ) {
+		if (!summonedALly) {
 			return 25;
+		} else {
+			int regionScale = Math.max(2, (1 + Dungeon.depth/5));
+			return 5 + 5*regionScale;
+		}
+	}
+
+	public void setSummonedALly(){
+		summonedALly = true;
+		//sewers are prison are equivalent, otherwise scales as normal (2/2/3/4/5)
+		int regionScale = Math.max(2, (1 + Dungeon.depth/5));
+		defenseSkill = 5*regionScale;
+		HT = 15*regionScale;
 	}
 	
 	@Override
@@ -155,11 +175,13 @@ public abstract class Elemental extends Mob {
 	protected ArrayList<Class<? extends Buff>> harmfulBuffs = new ArrayList<>();
 	
 	private static final String COOLDOWN = "cooldown";
+	private static final String SUMMONED_ALLY = "summoned_ally";
 	
 	@Override
 	public void storeInBundle( Bundle bundle ) {
 		super.storeInBundle( bundle );
 		bundle.put( COOLDOWN, rangedCooldown );
+		bundle.put( SUMMONED_ALLY, summonedALly);
 	}
 	
 	@Override
@@ -168,6 +190,10 @@ public abstract class Elemental extends Mob {
 		if (bundle.contains( COOLDOWN )){
 			rangedCooldown = bundle.getInt( COOLDOWN );
 		}
+		summonedALly = bundle.getBoolean( SUMMONED_ALLY );
+		if (summonedALly){
+			setSummonedALly();
+		}
 	}
 	
 	public static class FireElemental extends Elemental {
@@ -233,10 +259,11 @@ public abstract class Elemental extends Mob {
 		
 	}
 
-	//not a miniboss, otherwise a newborn elemental
+	//not a miniboss, fully HP, otherwise a newborn elemental
 	public static class AllyNewBornElemental extends NewbornFireElemental {
 
 		{
+			HP = HT;
 			properties.remove(Property.MINIBOSS);
 		}
 

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/items/spells/SummonElemental.java

@@ -87,13 +87,6 @@ public class SummonElemental extends Spell {
 	@Override
 	protected void onCast(Hero hero) {
 
-		for (Char ch : Actor.chars()){
-			if (ch instanceof Elemental && ch.buff(InvisAlly.class) != null){
-				GLog.w(Messages.get(this, "summon_limit"));
-				return;
-			}
-		}
-
 		ArrayList<Integer> spawnPoints = new ArrayList<>();
 
 		for (int i = 0; i < PathFinder.NEIGHBOURS8.length; i++) {
@@ -105,10 +98,22 @@ public class SummonElemental extends Spell {
 
 		if (!spawnPoints.isEmpty()){
 
+			for (Char ch : Actor.chars()){
+				if (ch instanceof Elemental && ch.buff(InvisAlly.class) != null){
+					ScrollOfTeleportation.appear( ch, Random.element(spawnPoints) );
+					((Elemental) ch).state = ((Elemental) ch).HUNTING;
+					curUser.spendAndNext(Actor.TICK);
+					return;
+				}
+			}
+
 			Elemental elemental = Reflection.newInstance(summonClass);
 			GameScene.add( elemental );
 			Buff.affect(elemental, InvisAlly.class);
+			elemental.setSummonedALly();
+			elemental.HP = elemental.HT;
 			ScrollOfTeleportation.appear( elemental, Random.element(spawnPoints) );
+			curUser.spendAndNext(Actor.TICK);
 
 			summonClass = Elemental.AllyNewBornElemental.class;
 
@@ -223,10 +228,10 @@ public class SummonElemental extends Spell {
 			inputs =  new Class[]{Embers.class, ArcaneCatalyst.class};
 			inQuantity = new int[]{1, 1};
 
-			cost = 8;
+			cost = 6;
 
 			output = SummonElemental.class;
-			outQuantity = 3;
+			outQuantity = 5;
 		}
 
 	}