v0.3.0: added wand of transfusion

src/com/shatteredpixel/shatteredpixeldungeon/effects/Beam.java

@@ -64,6 +64,12 @@ public class Beam extends Image {
 			super(s, e, Effects.Type.LIGHT_RAY, 1f);
 		}
 	}
+
+	public static class HealthRay extends Beam{
+		public HealthRay(PointF s, PointF e){
+			super(s, e, Effects.Type.HEALTH_RAY, 0.75f);
+		}
+	}
 	
 	@Override
 	public void update() {

src/com/shatteredpixel/shatteredpixeldungeon/effects/Effects.java

@@ -28,7 +28,8 @@ public class Effects {
 		WOUND,
 		EXCLAMATION,
 		DEATH_RAY,
-		LIGHT_RAY
+		LIGHT_RAY,
+		HEALTH_RAY
 	};
 	
 	public static Image get( Type type ) {
@@ -52,6 +53,9 @@ public class Effects {
 			case LIGHT_RAY:
 				icon.frame(icon.texture.uvRect(16, 23, 32, 31));
 				break;
+			case HEALTH_RAY:
+				icon.frame(icon.texture.uvRect(16, 30, 32, 38));
+				break;
 		}
 		return icon;
 	}

src/com/shatteredpixel/shatteredpixeldungeon/effects/particles/BloodParticle.java

@@ -20,6 +20,8 @@ package com.shatteredpixel.shatteredpixeldungeon.effects.particles;
 import com.watabou.noosa.particles.Emitter;
 import com.watabou.noosa.particles.PixelParticle;
 import com.watabou.noosa.particles.Emitter.Factory;
+import com.watabou.utils.PointF;
+import com.watabou.utils.Random;
 
 public class BloodParticle extends PixelParticle.Shrinking {
 	
@@ -29,6 +31,17 @@ public class BloodParticle extends PixelParticle.Shrinking {
 			((BloodParticle)emitter.recycle( BloodParticle.class )).reset( x, y );
 		}
 	};
+
+	public static final Emitter.Factory BURST = new Factory() {
+		@Override
+		public void emit( Emitter emitter, int index, float x, float y ) {
+			((BloodParticle)emitter.recycle( BloodParticle.class )).resetBurst( x, y );
+		}
+		@Override
+		public boolean lightMode() {
+			return true;
+		}
+	};
 	
 	public BloodParticle() {
 		super();
@@ -50,6 +63,18 @@ public class BloodParticle extends PixelParticle.Shrinking {
 		size = 4;
 		speed.set( 0 );
 	}
+
+	public void resetBurst( float x, float y ) {
+		revive();
+
+		this.x = x;
+		this.y = y;
+
+		speed.polar( Random.Float(PointF.PI2), Random.Float( 16, 32 ) );
+		size = 5;
+
+		left = 0.5f;
+	}
 	
 	@Override
 	public void update() {

src/com/shatteredpixel/shatteredpixeldungeon/items/Generator.java

@@ -127,10 +127,10 @@ public class Generator {
 			WandOfFrost.class,
 			WandOfPrismaticLight.class,
 			//WandOfWarding.class,
-			//WandOfTransfusion.class,
+			WandOfTransfusion.class,
 			//WandOfCorruption.class,
 			WandOfRegrowth.class };
-		Category.WAND.probs = new float[]{ 4, 4, 4, 4, 4, 3, /*3,*/ 3, 3, /*3, 3, 3,*/ 3 };
+		Category.WAND.probs = new float[]{ 4, 4, 4, 4, 4, 3, /*3,*/ 3, 3, /*3,*/ 3, /*3,*/ 3 };
 		
 		Category.WEAPON.classes = new Class<?>[]{ 
 			Dagger.class, 

src/com/shatteredpixel/shatteredpixeldungeon/items/wands/WandOfTransfusion.java

@@ -0,0 +1,219 @@
+package com.shatteredpixel.shatteredpixeldungeon.items.wands;
+
+import com.shatteredpixel.shatteredpixeldungeon.Assets;
+import com.shatteredpixel.shatteredpixeldungeon.Dungeon;
+import com.shatteredpixel.shatteredpixeldungeon.DungeonTilemap;
+import com.shatteredpixel.shatteredpixeldungeon.ResultDescriptions;
+import com.shatteredpixel.shatteredpixeldungeon.actors.Actor;
+import com.shatteredpixel.shatteredpixeldungeon.actors.Char;
+import com.shatteredpixel.shatteredpixeldungeon.actors.buffs.Buff;
+import com.shatteredpixel.shatteredpixeldungeon.actors.buffs.Charm;
+import com.shatteredpixel.shatteredpixeldungeon.actors.mobs.*;
+import com.shatteredpixel.shatteredpixeldungeon.actors.mobs.npcs.Ghost;
+import com.shatteredpixel.shatteredpixeldungeon.effects.Beam;
+import com.shatteredpixel.shatteredpixeldungeon.effects.CellEmitter;
+import com.shatteredpixel.shatteredpixeldungeon.effects.Speck;
+import com.shatteredpixel.shatteredpixeldungeon.effects.particles.BloodParticle;
+import com.shatteredpixel.shatteredpixeldungeon.effects.particles.LeafParticle;
+import com.shatteredpixel.shatteredpixeldungeon.effects.particles.ShadowParticle;
+import com.shatteredpixel.shatteredpixeldungeon.items.Generator;
+import com.shatteredpixel.shatteredpixeldungeon.items.Heap;
+import com.shatteredpixel.shatteredpixeldungeon.items.Item;
+import com.shatteredpixel.shatteredpixeldungeon.items.rings.Ring;
+import com.shatteredpixel.shatteredpixeldungeon.items.weapon.melee.MagesStaff;
+import com.shatteredpixel.shatteredpixeldungeon.levels.Terrain;
+import com.shatteredpixel.shatteredpixeldungeon.mechanics.Ballistica;
+import com.shatteredpixel.shatteredpixeldungeon.plants.Plant;
+import com.shatteredpixel.shatteredpixeldungeon.scenes.GameScene;
+import com.shatteredpixel.shatteredpixeldungeon.sprites.CharSprite;
+import com.shatteredpixel.shatteredpixeldungeon.sprites.ItemSpriteSheet;
+import com.shatteredpixel.shatteredpixeldungeon.utils.GLog;
+import com.shatteredpixel.shatteredpixeldungeon.utils.Utils;
+import com.watabou.noosa.audio.Sample;
+import com.watabou.utils.Callback;
+import com.watabou.utils.Random;
+
+import java.util.Arrays;
+import java.util.HashSet;
+
+/**
+ * Created by debenhame on 13/05/2015.
+ */
+public class WandOfTransfusion extends Wand {
+
+	{
+		name = "Wand of Transfusion";
+		image = ItemSpriteSheet.WAND_TRANSFUSION;
+
+		collisionProperties = Ballistica.PROJECTILE;
+	}
+
+	private boolean freeCharge = false;
+
+	//FIXME: this is sloppy
+	private static HashSet<Class> undeadMobs = new HashSet<Class>(Arrays.asList(
+			//Any Location
+			Wraith.class,
+			//Sewers
+			Ghost.FetidRat.class,
+			//Prison
+			Skeleton.class,
+			//City
+			Warlock.class, Monk.class, Senior.class,
+			King.class, King.Undead.class,
+			//Halls
+			Succubus.class,
+			Yog.RottingFist.class
+	));
+
+	@Override
+	protected void onZap(Ballistica beam) {
+
+		for (int c : beam.subPath(0, beam.dist))
+			CellEmitter.center(c).burst( BloodParticle.BURST, 1 );
+
+		int cell = beam.collisionPos;
+
+		Char ch = Actor.findChar(cell);
+		Heap heap = Dungeon.level.heaps.get(cell);
+
+		//this wand does a bunch of different things depending on what it targets.
+
+		//if we find a character..
+		if (ch != null && ch instanceof Mob){
+
+			//heals an ally, or charmed/corrupted enemy
+			//TODO: add corruption here
+			if (((Mob) ch).ally || ch.buff(Charm.class) != null){
+
+				int missingHP = ch.HT - ch.HP;
+				//heals 30%+3%*lvl missing HP.
+				int healing = (int)Math.ceil((missingHP * (0.30f+(0.03f*level))));
+				ch.HP += healing;
+				ch.sprite.emitter().burst(Speck.factory(Speck.HEALING), 1 + level / 2);
+				ch.sprite.showStatus(CharSprite.POSITIVE, "+%dHP", healing);
+
+			//harms the undead
+			} else if (undeadMobs.contains(ch.getClass())){
+
+				//deals 30%+5%*lvl total HP.
+				int damage = (int) Math.ceil(ch.HT*(0.3f+(0.05f*level)));
+				ch.damage(damage, this);
+				ch.sprite.emitter().start(ShadowParticle.UP, 0.05f, 10 + level);
+				Sample.INSTANCE.play(Assets.SND_BURNING);
+
+			//charms an enemy
+			} else {
+
+				float duration = 5+level;
+				Buff.affect(ch, Charm.class, Charm.durationFactor(ch) * duration).object = curUser.id();
+
+				duration *= Random.Float(0.75f, 1f);
+				Buff.affect(curUser, Charm.class, Charm.durationFactor(ch) * duration).object = curUser.id();
+
+				ch.sprite.centerEmitter().start( Speck.factory( Speck.HEART ), 0.2f, 5 );
+				curUser.sprite.centerEmitter().start( Speck.factory( Speck.HEART ), 0.2f, 5 );
+
+			}
+
+
+		//if we find an item...
+		} else if (heap != null && heap.type == Heap.Type.HEAP){
+			Item item = heap.peek();
+
+			//30% + 10%*lvl chance to uncurse the item and reset it to base level if degraded.
+			if (item != null && Random.Float() <= 0.3f+level*0.1f){
+				if (item.cursed){
+					item.cursed = false;
+					CellEmitter.get(cell).start( ShadowParticle.UP, 0.05f, 10 );
+					Sample.INSTANCE.play(Assets.SND_BURNING);
+				}
+
+				int lvldiffFromBase = item.level - (item instanceof Ring ? 1 : 0);
+				if (lvldiffFromBase < 0){
+					item.upgrade(-lvldiffFromBase);
+					CellEmitter.get(cell).start(Speck.factory(Speck.UP), 0.2f, 3);
+					Sample.INSTANCE.play(Assets.SND_EVOKE);
+				}
+			}
+
+		//if we find some trampled grass...
+		} else if (Dungeon.level.map[cell] == Terrain.GRASS) {
+
+			//regrow one grass tile, suuuuuper useful...
+			Dungeon.level.set(cell, Terrain.HIGH_GRASS);
+			GameScene.updateMap(cell);
+			CellEmitter.get( cell ).burst(LeafParticle.LEVEL_SPECIFIC, 4);
+
+		//If we find embers...
+		} else if (Dungeon.level.map[cell] == Terrain.EMBERS) {
+
+			//30% + 3%*lvl chance to grow a random plant, or just regrow grass.
+			if (Random.Float() <= 0.3f+level*0.03f) {
+				Dungeon.level.plant((Plant.Seed) Generator.random(Generator.Category.SEED), cell);
+				CellEmitter.get( cell ).burst(LeafParticle.LEVEL_SPECIFIC, 8);
+				GameScene.updateMap(cell);
+			} else{
+				Dungeon.level.set(cell, Terrain.HIGH_GRASS);
+				GameScene.updateMap(cell);
+				CellEmitter.get( cell ).burst(LeafParticle.LEVEL_SPECIFIC, 4);
+			}
+
+		} else
+			return; //don't damage the hero if we can't find a target;
+
+		if (!freeCharge) {
+			damageHero();
+		} else {
+			freeCharge = false;
+		}
+	}
+
+
+	//this wand costs health too
+	private void damageHero(){
+		// 15% of max hp
+		int damage = (int)Math.ceil(curUser.HT*0.15f);
+		curUser.damage(damage, this);
+
+		if (!curUser.isAlive()){
+			Dungeon.fail( Utils.format(ResultDescriptions.ITEM, name) );
+			GLog.n("You killed yourself with your own Wand of Transfusion...");
+		}
+	}
+
+	@Override
+	protected int initialCharges() {
+		return 1;
+	}
+
+	@Override
+	public void onHit(MagesStaff staff, Char attacker, Char defender, int damage) {
+		// lvl 0 - 10%
+		// lvl 1 - 18%
+		// lvl 2 - 25%
+		if (Random.Int( level + 10 ) >= 9){
+			//grants a free use of the staff
+			freeCharge = true;
+			GLog.p("Your staff is charged with the life energy of your enemy!");
+			attacker.sprite.emitter().burst(BloodParticle.BURST, 20);
+		}
+	}
+
+	@Override
+	protected void fx(Ballistica beam, Callback callback) {
+		curUser.sprite.parent.add(
+				new Beam.HealthRay(curUser.sprite.center(), DungeonTilemap.tileCenterToWorld(beam.collisionPos)));
+		callback.call();
+	}
+
+	@Override
+	public String desc() {
+		return "A fairly plainly shaped wand, it stands out due to its magenta hue and pitch black gem at the tip.\n" +
+				"\n" +
+				"This wand will take some of your life energy and blast it at a target. This effect is very versatile: " +
+				"allies will be healed, enemies will be temporarily charmed, and hostile undead will take considerable damage. " +
+				"The life force effect can also be potent at dispelling curses as well. " +
+				"The life energy drain is significant though, using this wand will deal damage to you in addition to consuming charges.";
+	}
+}