v0.8.1: Improved buff fading VFX & applied it to a few new ones

Also buffed alternate sources of bless:
- holy dart bless duration up to 30 turns from 20.
- Holy furor bless duration up to 120 turns from 100.

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/buffs/Adrenaline.java

@@ -41,8 +41,8 @@ public class Adrenaline extends FlavourBuff {
 	}
 
 	@Override
-	public void tintIcon(Image icon) {
-		greyIcon(icon, 5f, cooldown());
+	public float iconFadePercent() {
+		return Math.max(0, (DURATION - visualcooldown()) / DURATION);
 	}
 	
 	@Override

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/buffs/AdrenalineSurge.java

@@ -67,7 +67,7 @@ public class AdrenalineSurge extends Buff {
 	
 	@Override
 	public String desc() {
-		return Messages.get(this, "desc", boost, dispTurns(cooldown()+1));
+		return Messages.get(this, "desc", boost, dispTurns(visualcooldown()));
 	}
 	
 	private static final String BOOST	    = "boost";

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/buffs/ArcaneArmor.java

@@ -84,7 +84,7 @@ public class ArcaneArmor extends Buff {
 	
 	@Override
 	public String desc() {
-		return Messages.get(this, "desc", level, dispTurns(cooldown()+1));
+		return Messages.get(this, "desc", level, dispTurns(visualcooldown()));
 	}
 	
 	private static final String LEVEL	    = "level";

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/buffs/ArtifactRecharge.java

@@ -29,9 +29,10 @@ import com.shatteredpixel.shatteredpixeldungeon.ui.BuffIndicator;
 import com.watabou.noosa.Image;
 import com.watabou.utils.Bundle;
 
-//TODO this may be very powerful, consider balancing
 public class ArtifactRecharge extends Buff {
 
+	public static final float DURATION = 30f;
+
 	{
 		type = buffType.POSITIVE;
 	}
@@ -80,6 +81,11 @@ public class ArtifactRecharge extends Buff {
 		icon.hardlight(0, 1f, 0);
 	}
 
+	@Override
+	public float iconFadePercent() {
+		return Math.max(0, (DURATION - left) / DURATION);
+	}
+
 	@Override
 	public String toString() {
 		return Messages.get(this, "name");

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/buffs/Barkskin.java

@@ -77,7 +77,7 @@ public class Barkskin extends Buff {
 
 	@Override
 	public String desc() {
-		return Messages.get(this, "desc", level, dispTurns(cooldown()+1));
+		return Messages.get(this, "desc", level, dispTurns(visualcooldown()));
 	}
 	
 	private static final String LEVEL	    = "level";

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/buffs/Bless.java

@@ -40,8 +40,8 @@ public class Bless extends FlavourBuff {
 	}
 
 	@Override
-	public void tintIcon(Image icon) {
-		greyIcon(icon, 5f, cooldown());
+	public float iconFadePercent() {
+		return Math.max(0, (DURATION - visualcooldown()) / DURATION);
 	}
 
 	@Override

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/buffs/BlobImmunity.java

@@ -54,8 +54,8 @@ public class BlobImmunity extends FlavourBuff {
 	}
 
 	@Override
-	public void tintIcon(Image icon) {
-		greyIcon(icon, 5f, cooldown());
+	public float iconFadePercent() {
+		return Math.max(0, (DURATION - visualcooldown()) / DURATION);
 	}
 	
 	@Override

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/buffs/Buff.java

@@ -90,10 +90,17 @@ public class Buff extends Actor {
 		return BuffIndicator.NONE;
 	}
 
+	//some buffs may want to tint the base texture color of their icon
 	public void tintIcon( Image icon ){
 		//do nothing by default
 	}
 
+	//percent (0-1) to fade out out the buff icon, usually if buff is expiring
+	public float iconFadePercent(){
+		return 0;
+	}
+
+	//visual effect usually attached to the sprite of the character the buff is attacked to
 	public void fx(boolean on) {
 		//do nothing by default
 	}
@@ -111,6 +118,11 @@ public class Buff extends Actor {
 		return new DecimalFormat("#.##").format(input);
 	}
 
+	//buffs act after the hero, so it is often useful to use cooldown+1 when display buff time remaining
+	public float visualcooldown(){
+		return cooldown()+1f;
+	}
+
 	//creates a fresh instance of the buff and attaches that, this allows duplication.
 	public static<T extends Buff> T append( Char target, Class<T> buffClass ) {
 		T buff = Reflection.newInstance(buffClass);

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/buffs/Burning.java

@@ -147,6 +147,7 @@ public class Burning extends Buff implements Hero.Doom {
 		
 		spend( TICK );
 		left -= TICK;
+		BuffIndicator.refreshHero();
 		
 		if (left <= 0 ||
 			(Dungeon.level.water[target.pos] && !target.flying)) {
@@ -170,6 +171,11 @@ public class Burning extends Buff implements Hero.Doom {
 		return BuffIndicator.FIRE;
 	}
 
+	@Override
+	public float iconFadePercent() {
+		return Math.max(0, (DURATION - left) / DURATION);
+	}
+
 	@Override
 	public void fx(boolean on) {
 		if (on) target.sprite.add(CharSprite.State.BURNING);

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/buffs/Drowsy.java

@@ -62,6 +62,6 @@ public class Drowsy extends Buff {
 
 	@Override
 	public String desc() {
-		return Messages.get(this, "desc", dispTurns(cooldown()+1));
+		return Messages.get(this, "desc", dispTurns(visualcooldown()));
 	}
 }

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/buffs/EarthImbue.java

@@ -49,8 +49,8 @@ public class EarthImbue extends FlavourBuff {
 	}
 
 	@Override
-	public void tintIcon(Image icon) {
-		greyIcon(icon, 5f, cooldown());
+	public float iconFadePercent() {
+		return Math.max(0, (DURATION - visualcooldown()) / DURATION);
 	}
 
 	@Override

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/buffs/FireImbue.java

@@ -93,8 +93,8 @@ public class FireImbue extends Buff {
 	}
 
 	@Override
-	public void tintIcon(Image icon) {
-		FlavourBuff.greyIcon(icon, 5f, left);
+	public float iconFadePercent() {
+		return Math.max(0, (DURATION - left+1) / DURATION);
 	}
 
 	@Override

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/buffs/FlavourBuff.java

@@ -42,7 +42,6 @@ public class FlavourBuff extends Buff {
 
 	//flavour buffs can all just rely on cooldown()
 	protected String dispTurns() {
-		//add one turn as buffs act last, we want them to end at 1 visually, even if they end at 0 internally.
-		return dispTurns(cooldown()+1f);
+		return dispTurns(visualcooldown());
 	}
 }

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/buffs/FrostImbue.java

@@ -47,8 +47,8 @@ public class FrostImbue extends FlavourBuff {
 	}
 
 	@Override
-	public void tintIcon(Image icon) {
-		greyIcon(icon, 5f, cooldown());
+	public float iconFadePercent() {
+		return Math.max(0, (DURATION - visualcooldown()) / DURATION);
 	}
 	
 	@Override

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/buffs/Haste.java

@@ -39,9 +39,8 @@ public class Haste extends FlavourBuff {
 	}
 
 	@Override
-	public void tintIcon(Image icon) {
-		icon.tint(1, 1, 0, 0.5f);
-		if (cooldown() < 5f) greyIcon(icon, 5f, cooldown());
+	public float iconFadePercent() {
+		return Math.max(0, (DURATION - visualcooldown()) / DURATION);
 	}
 	
 	@Override

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/buffs/Invisibility.java

@@ -68,8 +68,8 @@ public class Invisibility extends FlavourBuff {
 	}
 
 	@Override
-	public void tintIcon(Image icon) {
-		greyIcon(icon, 5f, cooldown());
+	public float iconFadePercent() {
+		return Math.max(0, (DURATION - visualcooldown()) / DURATION);
 	}
 
 	@Override

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/buffs/Levitation.java

@@ -60,8 +60,8 @@ public class Levitation extends FlavourBuff {
 	}
 
 	@Override
-	public void tintIcon(Image icon) {
-		greyIcon(icon, 5f, cooldown());
+	public float iconFadePercent() {
+		return Math.max(0, (DURATION - visualcooldown()) / DURATION);
 	}
 	
 	@Override

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/buffs/Light.java

@@ -67,8 +67,8 @@ public class Light extends FlavourBuff {
 	}
 	
 	@Override
-	public void tintIcon(Image icon) {
-		greyIcon(icon, 20f, cooldown());
+	public float iconFadePercent() {
+		return Math.max(0, (DURATION - visualcooldown()) / DURATION);
 	}
 
 	@Override

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/buffs/MagicalSight.java

@@ -44,8 +44,8 @@ public class MagicalSight extends FlavourBuff {
 	}
 
 	@Override
-	public void tintIcon(Image icon) {
-		greyIcon(icon, 5f, cooldown());
+	public float iconFadePercent() {
+		return Math.max(0, (DURATION - visualcooldown()) / DURATION);
 	}
 	
 	@Override

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/buffs/MindVision.java

@@ -44,8 +44,8 @@ public class MindVision extends FlavourBuff {
 	}
 
 	@Override
-	public void tintIcon(Image icon) {
-		greyIcon(icon, 5f, cooldown());
+	public float iconFadePercent() {
+		return Math.max(0, (DURATION - visualcooldown()) / DURATION);
 	}
 	
 	@Override

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/buffs/Recharging.java

@@ -27,6 +27,8 @@ import com.watabou.noosa.Image;
 
 public class Recharging extends FlavourBuff {
 
+	public static final float DURATION = 30f;
+
 	{
 		type = buffType.POSITIVE;
 	}
@@ -37,8 +39,8 @@ public class Recharging extends FlavourBuff {
 	}
 
 	@Override
-	public void tintIcon(Image icon) {
-		FlavourBuff.greyIcon(icon, 5f, cooldown());
+	public float iconFadePercent() {
+		return Math.max(0, (DURATION - visualcooldown()) / DURATION);
 	}
 	
 	@Override

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/buffs/Shadows.java

@@ -100,8 +100,8 @@ public class Shadows extends Invisibility {
 	}
 
 	@Override
-	public void tintIcon(Image icon) {
-		icon.resetColor();
+	public float iconFadePercent() {
+		return 0;
 	}
 	
 	@Override

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/buffs/Stamina.java

@@ -27,6 +27,8 @@ import com.watabou.noosa.Image;
 
 public class Stamina extends FlavourBuff {
 
+	public static final float DURATION = 100f;
+	
 	{
 		type = buffType.POSITIVE;
 	}
@@ -37,9 +39,8 @@ public class Stamina extends FlavourBuff {
 	}
 
 	@Override
-	public void tintIcon(Image icon) {
-		icon.tint(1, 1, 0, 0.5f);
-		if (cooldown() < 5f) greyIcon(icon, 5f, cooldown());
+	public float iconFadePercent() {
+		return Math.max(0, (DURATION - visualcooldown()) / DURATION);
 	}
 	
 	@Override

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/buffs/ToxicImbue.java

@@ -80,8 +80,8 @@ public class ToxicImbue extends Buff {
 	}
 
 	@Override
-	public void tintIcon(Image icon) {
-		FlavourBuff.greyIcon(icon, 5f, left);
+	public float iconFadePercent() {
+		return Math.max(0, (DURATION - left) / DURATION);
 	}
 
 	@Override

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/hero/Hero.java

@@ -1341,7 +1341,7 @@ public class Hero extends Char {
 				defenseSkill++;
 
 			} else {
-				Buff.prolong(this, Bless.class, 30f);
+				Buff.prolong(this, Bless.class, Bless.DURATION);
 				this.exp = 0;
 
 				GLog.newLine();

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/items/armor/RogueArmor.java

@@ -78,7 +78,7 @@ public class RogueArmor extends ClassArmor {
 						mob.sprite.emitter().burst( Speck.factory( Speck.LIGHT ), 4 );
 					}
 				}
-				Buff.affect(curUser, Invisibility.class, 10f);
+				Buff.affect(curUser, Invisibility.class, Invisibility.DURATION/2f);
 
 				CellEmitter.get( curUser.pos ).burst( Speck.factory( Speck.WOOL ), 10 );
 				ScrollOfTeleportation.appear( curUser, target );

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/items/potions/elixirs/ElixirOfAquaticRejuvenation.java

@@ -81,15 +81,13 @@ public class ElixirOfAquaticRejuvenation extends Elixir {
 				target.HP += healAmt;
 				left -= healAmt;
 				target.sprite.emitter().burst( Speck.factory( Speck.HEALING ), 1 );
+				BuffIndicator.refreshHero();
 			}
 			
 			if (left <= 0){
 				detach();
 			} else {
 				spend(TICK);
-				if (left <= target.HT/4f){
-					BuffIndicator.refreshHero();
-				}
 			}
 			return true;
 		}
@@ -101,7 +99,13 @@ public class ElixirOfAquaticRejuvenation extends Elixir {
 
 		@Override
 		public void tintIcon(Image icon) {
-			FlavourBuff.greyIcon(icon, target.HT/4f, left);
+			icon.hardlight(0, 1, 1);
+		}
+
+		@Override
+		public float iconFadePercent() {
+			float max = Math.round(target.HT * 1.5f);
+			return Math.max(0, (max - left) / max);
 		}
 		
 		@Override

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/items/potions/exotic/PotionOfHolyFuror.java

@@ -34,7 +34,7 @@ public class PotionOfHolyFuror extends ExoticPotion {
 	@Override
 	public void apply( Hero hero ) {
 		setKnown();
-		Buff.prolong(hero, Bless.class, 100f);
+		Buff.prolong(hero, Bless.class, Bless.DURATION*4f);
 	}
 	
 }

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/items/potions/exotic/PotionOfStamina.java

@@ -35,7 +35,7 @@ public class PotionOfStamina extends ExoticPotion {
 	public void apply(Hero hero) {
 		setKnown();
 		
-		Buff.affect(hero, Stamina.class, 100f);
+		Buff.affect(hero, Stamina.class, Stamina.DURATION);
 	}
 	
 }

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/items/scrolls/ScrollOfRecharging.java

@@ -35,8 +35,6 @@ import com.watabou.noosa.audio.Sample;
 
 public class ScrollOfRecharging extends Scroll {
 
-	public static final float BUFF_DURATION = 30f;
-
 	{
 		initials = 6;
 	}
@@ -44,7 +42,7 @@ public class ScrollOfRecharging extends Scroll {
 	@Override
 	public void doRead() {
 
-		Buff.affect(curUser, Recharging.class, BUFF_DURATION);
+		Buff.affect(curUser, Recharging.class, Recharging.DURATION);
 		charge(curUser);
 		
 		Sample.INSTANCE.play( Assets.SND_READ );
@@ -60,7 +58,7 @@ public class ScrollOfRecharging extends Scroll {
 	@Override
 	public void empoweredRead() {
 		doRead();
-		Buff.append(curUser, Recharging.class, BUFF_DURATION/3f);
+		Buff.append(curUser, Recharging.class, Recharging.DURATION/3f);
 	}
 	
 	public static void charge( Char user ) {

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/items/wands/CursedWand.java

@@ -264,7 +264,7 @@ public class CursedWand {
 			//shock and recharge
 			case 3:
 				new ShockingTrap().set( user.pos ).activate();
-				Buff.prolong(user, Recharging.class, 20f);
+				Buff.prolong(user, Recharging.class, Recharging.DURATION);
 				ScrollOfRecharging.charge(user);
 				SpellSprite.show(user, SpellSprite.CHARGE);
 				afterZap.call();

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/items/weapon/missiles/darts/HolyDart.java

@@ -35,7 +35,7 @@ public class HolyDart extends TippedDart {
 	@Override
 	public int proc(Char attacker, Char defender, int damage) {
 		
-		Buff.affect(defender, Bless.class, 20f);
+		Buff.affect(defender, Bless.class, Bless.DURATION);
 		
 		if (attacker.alignment == defender.alignment){
 			return 0;

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/plants/Blindweed.java

@@ -46,7 +46,7 @@ public class Blindweed extends Plant {
 		
 		if (ch != null) {
 			if (ch instanceof Hero && ((Hero) ch).subClass == HeroSubClass.WARDEN){
-				Buff.affect(ch, Invisibility.class, 10f);
+				Buff.affect(ch, Invisibility.class, Invisibility.DURATION/2f);
 			} else {
 				int len = Random.Int(5, 10);
 				Buff.prolong(ch, Blindness.class, len);

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/plants/Dreamfoil.java

@@ -50,7 +50,7 @@ public class Dreamfoil extends Plant {
 				PotionOfHealing.cure(ch);
 				
 				if (((Hero) ch).subClass == HeroSubClass.WARDEN){
-					Buff.affect(ch, BlobImmunity.class, 10f);
+					Buff.affect(ch, BlobImmunity.class, BlobImmunity.DURATION/2f);
 				}
 				
 			}

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/plants/Earthroot.java

@@ -126,8 +126,8 @@ public class Earthroot extends Plant {
 		}
 
 		@Override
-		public void tintIcon(Image icon) {
-			FlavourBuff.greyIcon(icon, target.HT/4f, level);
+		public float iconFadePercent() {
+			return Math.max(0, (target.HT - level) / target.HT);
 		}
 		
 		@Override

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/plants/Firebloom.java

@@ -44,7 +44,7 @@ public class Firebloom extends Plant {
 	public void activate( Char ch ) {
 		
 		if (ch instanceof Hero && ((Hero) ch).subClass == HeroSubClass.WARDEN){
-			Buff.affect(ch, FireImbue.class).set(15f);
+			Buff.affect(ch, FireImbue.class).set( FireImbue.DURATION*0.3f );
 		}
 		
 		GameScene.add( Blob.seed( pos, 2, Fire.class ) );

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/plants/Icecap.java

@@ -43,7 +43,7 @@ public class Icecap extends Plant {
 	public void activate( Char ch ) {
 		
 		if (ch instanceof Hero && ((Hero) ch).subClass == HeroSubClass.WARDEN){
-			Buff.affect(ch, FrostImbue.class, 15f);
+			Buff.affect(ch, FrostImbue.class, FrostImbue.DURATION*0.3f);
 		}
 		
 		PathFinder.buildDistanceMap( pos, BArray.not( Dungeon.level.losBlocking, null ), 1 );

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/plants/Sorrowmoss.java

@@ -41,7 +41,7 @@ public class Sorrowmoss extends Plant {
 	@Override
 	public void activate( Char ch ) {
 		if (ch instanceof Hero && ((Hero) ch).subClass == HeroSubClass.WARDEN){
-			Buff.affect(ch, ToxicImbue.class).set(15f);
+			Buff.affect(ch, ToxicImbue.class).set(ToxicImbue.DURATION*0.3f);
 		}
 		
 		if (ch != null) {

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/plants/Starflower.java

@@ -43,7 +43,7 @@ public class Starflower extends Plant {
 		if (ch != null) {
 			Buff.prolong(ch, Bless.class, Bless.DURATION);
 			if (ch instanceof Hero && ((Hero) ch).subClass == HeroSubClass.WARDEN){
-				Buff.prolong(ch, Recharging.class, Bless.DURATION);
+				Buff.prolong(ch, Recharging.class, Recharging.DURATION);
 			}
 		}
 

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/plants/Stormvine.java

@@ -40,7 +40,7 @@ public class Stormvine extends Plant {
 
 		if (ch != null) {
 			if (ch instanceof Hero && ((Hero) ch).subClass == HeroSubClass.WARDEN){
-				Buff.affect(ch, Levitation.class, 10f);
+				Buff.affect(ch, Levitation.class, Levitation.DURATION/2f);
 			} else {
 				Buff.affect(ch, Vertigo.class, Vertigo.DURATION);
 			}

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/plants/Sungrass.java

@@ -125,8 +125,8 @@ public class Sungrass extends Plant {
 		}
 
 		@Override
-		public void tintIcon(Image icon) {
-			FlavourBuff.greyIcon(icon, target.HT/4f, level);
+		public float iconFadePercent() {
+			return Math.max(0, (target.HT - level) / target.HT);
 		}
 		
 		@Override

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/plants/Swiftthistle.java

@@ -80,8 +80,8 @@ public class Swiftthistle extends Plant {
 		}
 
 		@Override
-		public void tintIcon(Image icon) {
-			FlavourBuff.greyIcon(icon, 5f, left);
+		public float iconFadePercent() {
+			return Math.max(0, (6f - left) / 6f);
 		}
 		
 		public void reset(){

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/ui/BuffIndicator.java

@@ -197,6 +197,7 @@ public class BuffIndicator extends Component {
 		private Buff buff;
 
 		public Image icon;
+		public Image grey;
 
 		public BuffIcon( Buff buff ){
 			super();
@@ -205,18 +206,24 @@ public class BuffIndicator extends Component {
 			icon = new Image( texture );
 			icon.frame( film.get( buff.icon() ) );
 			add( icon );
+
+			grey = new Image( TextureCache.createSolid(0xCC808080));
+			add( grey );
 		}
 		
 		public void updateIcon(){
 			icon.frame( film.get( buff.icon() ) );
 			buff.tintIcon(icon);
+			//logic here rounds down to the nearest pixel
+			float zoom = (camera() != null) ? camera().zoom : 1;
+			grey.scale.set( icon.width(), (float)Math.floor(zoom*icon.height()*buff.iconFadePercent())/zoom);
 		}
 
 		@Override
 		protected void layout() {
 			super.layout();
-			icon.x = this.x+1;
-			icon.y = this.y+2;
+			grey.x = icon.x = this.x+1;
+			grey.y = icon.y = this.y+2;
 		}
 
 		@Override