v0.6.2: overhauled alchemy system

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/blobs/Alchemy.java

@@ -24,58 +24,25 @@ package com.shatteredpixel.shatteredpixeldungeon.actors.blobs;
 import com.shatteredpixel.shatteredpixeldungeon.Dungeon;
 import com.shatteredpixel.shatteredpixeldungeon.effects.BlobEmitter;
 import com.shatteredpixel.shatteredpixeldungeon.effects.Speck;
-import com.shatteredpixel.shatteredpixeldungeon.items.Heap;
-import com.shatteredpixel.shatteredpixeldungeon.items.Item;
 import com.shatteredpixel.shatteredpixeldungeon.journal.Notes;
-import com.shatteredpixel.shatteredpixeldungeon.levels.Level;
-import com.watabou.utils.Bundle;
 
 public class Alchemy extends Blob {
 
 	protected int pos;
 	
-	@Override
-	public void restoreFromBundle( Bundle bundle ) {
-		super.restoreFromBundle( bundle );
-
-		if (volume > 0)
-			for (int i=0; i < cur.length; i++) {
-				if (cur[i] > 0) {
-					pos = i;
-					break;
-				}
-			}
-	}
-	
 	@Override
 	protected void evolve() {
-		volume = off[pos] = cur[pos];
+		int cell;
-		area.union(pos%Dungeon.level.width(), pos/Dungeon.level.width());
+		for (int i=area.top-1; i <= area.bottom; i++) {
-		
+			for (int j = area.left-1; j <= area.right; j++) {
-		if (Dungeon.visible[pos]) {
+				cell = j + i* Dungeon.level.width();
-			Notes.add( Notes.Landmark.ALCHEMY );
+				if (Dungeon.level.insideMap(cell)) {
-		}
+					off[cell] = cur[cell];
-	}
+					volume += off[cell];
-	
+					if (off[cell] > 0 && Dungeon.visible[cell]){
-	@Override
+						Notes.add( Notes.Landmark.ALCHEMY );
-	public void seed( Level level, int cell, int amount ) {
+					}
-		super.seed(level, cell, amount);
+				}
-
-		cur[pos] = 0;
-		pos = cell;
-		volume = cur[pos] = amount;
-
-		area.setEmpty();
-		area.union(cell%level.width(), cell/level.width());
-	}
-	
-	public static void transmute( int cell ) {
-		Heap heap = Dungeon.level.heaps.get( cell );
-		if (heap != null) {
-			
-			Item result = heap.transmute();
-			if (result != null) {
-				Dungeon.level.drop( result, cell ).sprite.drop( cell );
 			}
 		}
 	}
@@ -83,6 +50,6 @@ public class Alchemy extends Blob {
 	@Override
 	public void use( BlobEmitter emitter ) {
 		super.use( emitter );
-		emitter.start( Speck.factory( Speck.BUBBLE ), 0.4f, 0 );
+		emitter.start( Speck.factory( Speck.BUBBLE ), 0.33f, 0 );
 	}
 }

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

@@ -94,7 +94,6 @@ import com.shatteredpixel.shatteredpixeldungeon.items.weapon.missiles.MissileWea
 import com.shatteredpixel.shatteredpixeldungeon.journal.Notes;
 import com.shatteredpixel.shatteredpixeldungeon.levels.Level;
 import com.shatteredpixel.shatteredpixeldungeon.levels.Terrain;
-import com.shatteredpixel.shatteredpixeldungeon.levels.features.AlchemyPot;
 import com.shatteredpixel.shatteredpixeldungeon.levels.features.Chasm;
 import com.shatteredpixel.shatteredpixeldungeon.messages.Messages;
 import com.shatteredpixel.shatteredpixeldungeon.plants.Earthroot;
@@ -110,6 +109,7 @@ import com.shatteredpixel.shatteredpixeldungeon.ui.QuickSlotButton;
 import com.shatteredpixel.shatteredpixeldungeon.ui.StatusPane;
 import com.shatteredpixel.shatteredpixeldungeon.utils.BArray;
 import com.shatteredpixel.shatteredpixeldungeon.utils.GLog;
+import com.shatteredpixel.shatteredpixeldungeon.windows.WndAlchemy;
 import com.shatteredpixel.shatteredpixeldungeon.windows.WndMessage;
 import com.shatteredpixel.shatteredpixeldungeon.windows.WndResurrect;
 import com.shatteredpixel.shatteredpixeldungeon.windows.WndTradeItem;
@@ -544,9 +544,9 @@ public class Hero extends Char {
 				return actAttack( (HeroAction.Attack)curAction );
 				
 			} else
-			if (curAction instanceof HeroAction.Cook) {
+			if (curAction instanceof HeroAction.Alchemy) {
 
-				return actCook( (HeroAction.Cook)curAction );
+				return actAlchemy( (HeroAction.Alchemy)curAction );
 				
 			}
 		}
@@ -643,12 +643,12 @@ public class Hero extends Char {
 		}
 	}
 
-	private boolean actCook( HeroAction.Cook action ) {
+	private boolean actAlchemy( HeroAction.Alchemy action ) {
 		int dst = action.dst;
-		if (Dungeon.visible[dst]) {
+		if (Dungeon.level.distance(dst, pos) <= 1) {
 
 			ready();
-			AlchemyPot.operate( this, dst );
+			GameScene.show(new WndAlchemy());
 			return false;
 
 		} else if (getCloser( dst )) {
@@ -1132,7 +1132,7 @@ public class Hero extends Char {
 		
 		if (Dungeon.level.map[cell] == Terrain.ALCHEMY && cell != pos) {
 			
-			curAction = new HeroAction.Cook( cell );
+			curAction = new HeroAction.Alchemy( cell );
 			
 		} else if (Level.fieldOfView[cell] && (ch = Actor.findChar( cell )) instanceof Mob) {
 

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

@@ -77,8 +77,8 @@ public class HeroAction {
 		}
 	}
 	
-	public static class Cook extends HeroAction {
+	public static class Alchemy extends HeroAction {
-		public Cook( int pot ) {
+		public Alchemy( int pot ) {
 			this.dst = pot;
 		}
 	}

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/items/Heap.java

@@ -22,10 +22,7 @@
 package com.shatteredpixel.shatteredpixeldungeon.items;
 
 import com.shatteredpixel.shatteredpixeldungeon.Assets;
-import com.shatteredpixel.shatteredpixeldungeon.Badges;
 import com.shatteredpixel.shatteredpixeldungeon.Dungeon;
-import com.shatteredpixel.shatteredpixeldungeon.ShatteredPixelDungeon;
-import com.shatteredpixel.shatteredpixeldungeon.Statistics;
 import com.shatteredpixel.shatteredpixeldungeon.actors.buffs.Buff;
 import com.shatteredpixel.shatteredpixeldungeon.actors.buffs.Burning;
 import com.shatteredpixel.shatteredpixeldungeon.actors.buffs.Frost;
@@ -35,21 +32,16 @@ import com.shatteredpixel.shatteredpixeldungeon.actors.mobs.Wraith;
 import com.shatteredpixel.shatteredpixeldungeon.effects.CellEmitter;
 import com.shatteredpixel.shatteredpixeldungeon.effects.Flare;
 import com.shatteredpixel.shatteredpixeldungeon.effects.Speck;
-import com.shatteredpixel.shatteredpixeldungeon.effects.Splash;
 import com.shatteredpixel.shatteredpixeldungeon.effects.particles.ElmoParticle;
 import com.shatteredpixel.shatteredpixeldungeon.effects.particles.FlameParticle;
 import com.shatteredpixel.shatteredpixeldungeon.effects.particles.ShadowParticle;
-import com.shatteredpixel.shatteredpixeldungeon.items.artifacts.AlchemistsToolkit;
 import com.shatteredpixel.shatteredpixeldungeon.items.artifacts.Artifact;
 import com.shatteredpixel.shatteredpixeldungeon.items.artifacts.DriedRose;
-import com.shatteredpixel.shatteredpixeldungeon.items.food.Blandfruit;
 import com.shatteredpixel.shatteredpixeldungeon.items.food.ChargrilledMeat;
 import com.shatteredpixel.shatteredpixeldungeon.items.food.FrozenCarpaccio;
 import com.shatteredpixel.shatteredpixeldungeon.items.food.MysteryMeat;
 import com.shatteredpixel.shatteredpixeldungeon.items.journal.DocumentPage;
 import com.shatteredpixel.shatteredpixeldungeon.items.potions.Potion;
-import com.shatteredpixel.shatteredpixeldungeon.items.potions.PotionOfExperience;
-import com.shatteredpixel.shatteredpixeldungeon.items.potions.PotionOfHealing;
 import com.shatteredpixel.shatteredpixeldungeon.items.potions.PotionOfMight;
 import com.shatteredpixel.shatteredpixeldungeon.items.potions.PotionOfStrength;
 import com.shatteredpixel.shatteredpixeldungeon.items.rings.RingOfWealth;
@@ -58,7 +50,6 @@ import com.shatteredpixel.shatteredpixeldungeon.items.scrolls.ScrollOfMagicalInf
 import com.shatteredpixel.shatteredpixeldungeon.items.scrolls.ScrollOfUpgrade;
 import com.shatteredpixel.shatteredpixeldungeon.items.wands.Wand;
 import com.shatteredpixel.shatteredpixeldungeon.messages.Messages;
-import com.shatteredpixel.shatteredpixeldungeon.plants.Plant.Seed;
 import com.shatteredpixel.shatteredpixeldungeon.sprites.ItemSprite;
 import com.shatteredpixel.shatteredpixeldungeon.sprites.ItemSpriteSheet;
 import com.watabou.noosa.audio.Sample;
@@ -360,105 +351,6 @@ public class Heap implements Bundlable {
 		}
 	}
 	
-	public Item transmute() {
-		
-		CellEmitter.get( pos ).burst( Speck.factory( Speck.BUBBLE ), 3 );
-		Splash.at( pos, 0xFFFFFF, 3 );
-		
-		float chances[] = new float[items.size()];
-		int count = 0;
-
-
-		if (items.size() == 2 && items.get(0) instanceof Seed && items.get(1) instanceof Blandfruit ) {
-
-			Sample.INSTANCE.play( Assets.SND_PUFF );
-			CellEmitter.center( pos ).burst( Speck.factory( Speck.EVOKE ), 3 );
-
-			Blandfruit result = new Blandfruit();
-			result.cook((Seed)items.get(0));
-
-			destroy();
-
-			return result;
-
-		}
-		
-		int index = 0;
-		for (Item item : items) {
-			if (item instanceof Seed) {
-				count += item.quantity;
-				chances[index++] = item.quantity;
-			}  else{
-				count = 0;
-				break;
-			}
-		}
-
-		//alchemists toolkit gives a chance to cook a potion in two or even one seeds
-		AlchemistsToolkit.alchemy alchemy = Dungeon.hero.buff(AlchemistsToolkit.alchemy.class);
-		int bonus = alchemy != null ? alchemy.itemLevel() : -1;
-
-		if (bonus != -1 ? alchemy.tryCook(count) : count >= SEEDS_TO_POTION) {
-
-			CellEmitter.get( pos ).burst( Speck.factory( Speck.WOOL ), 6 );
-			Sample.INSTANCE.play( Assets.SND_PUFF );
-
-			Item potion;
-
-			if (Random.Int( count + bonus ) == 0) {
-
-				CellEmitter.center( pos ).burst( Speck.factory( Speck.EVOKE ), 3 );
-
-				destroy();
-
-				Statistics.potionsCooked++;
-				Badges.validatePotionsCooked();
-
-				potion = Generator.random( Generator.Category.POTION );
-
-			} else {
-
-				Seed proto = (Seed)items.get( Random.chances( chances ) );
-				Class<? extends Item> itemClass = proto.alchemyClass;
-
-				destroy();
-
-				Statistics.potionsCooked++;
-				Badges.validatePotionsCooked();
-
-				if (itemClass == null) {
-					potion =  Generator.random( Generator.Category.POTION );
-				} else {
-					try {
-						potion =  itemClass.newInstance();
-					} catch (Exception e) {
-						ShatteredPixelDungeon.reportException(e);
-						return null;
-					}
-				}
-			}
-
-			//not a buff per-se, meant to cancel out higher potion accuracy when ppl are farming for potions of exp.
-			if (bonus > 0)
-				if (Random.Int(1000/bonus) == 0)
-					return new PotionOfExperience();
-
-			while (potion instanceof PotionOfHealing
-					&& Random.Int(10) < Dungeon.LimitedDrops.COOKING_HP.count) {
-				potion = Generator.random(Generator.Category.POTION);
-			}
-
-			if (potion instanceof PotionOfHealing) {
-				Dungeon.LimitedDrops.COOKING_HP.count++;
-			}
-
-			return potion;
-
-		} else {
-			return null;
-		}
-	}
-	
 	public static void burnFX( int pos ) {
 		CellEmitter.get( pos ).burst( ElmoParticle.FACTORY, 6 );
 		Sample.INSTANCE.play( Assets.SND_BURNING );

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/Level.java

@@ -28,7 +28,6 @@ import com.shatteredpixel.shatteredpixeldungeon.ShatteredPixelDungeon;
 import com.shatteredpixel.shatteredpixeldungeon.Statistics;
 import com.shatteredpixel.shatteredpixeldungeon.actors.Actor;
 import com.shatteredpixel.shatteredpixeldungeon.actors.Char;
-import com.shatteredpixel.shatteredpixeldungeon.actors.blobs.Alchemy;
 import com.shatteredpixel.shatteredpixeldungeon.actors.blobs.Blob;
 import com.shatteredpixel.shatteredpixeldungeon.actors.blobs.WellWater;
 import com.shatteredpixel.shatteredpixeldungeon.actors.buffs.Awareness;
@@ -792,12 +791,6 @@ public abstract class Level implements Bundlable {
 			WellWater.affectCell( cell );
 			break;
 			
-		case Terrain.ALCHEMY:
-			if (ch == null) {
-				Alchemy.transmute( cell );
-			}
-			break;
-			
 		case Terrain.DOOR:
 			Door.enter( cell );
 			break;

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/features/AlchemyPot.java

@@ -1,87 +0,0 @@
-/*
- * Pixel Dungeon
- * Copyright (C) 2012-2015  Oleg Dolya
- *
- * Shattered Pixel Dungeon
- * Copyright (C) 2014-2017 Evan Debenham
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>
- */
-
-package com.shatteredpixel.shatteredpixeldungeon.levels.features;
-
-import com.shatteredpixel.shatteredpixeldungeon.Dungeon;
-import com.shatteredpixel.shatteredpixeldungeon.actors.hero.Hero;
-import com.shatteredpixel.shatteredpixeldungeon.items.Heap;
-import com.shatteredpixel.shatteredpixeldungeon.items.Item;
-import com.shatteredpixel.shatteredpixeldungeon.items.food.Blandfruit;
-import com.shatteredpixel.shatteredpixeldungeon.messages.Messages;
-import com.shatteredpixel.shatteredpixeldungeon.scenes.GameScene;
-import com.shatteredpixel.shatteredpixeldungeon.windows.WndBag;
-import com.shatteredpixel.shatteredpixeldungeon.windows.WndOptions;
-
-import java.util.Iterator;
-
-public class AlchemyPot {
-
-	public static Hero hero;
-	public static int pos;
-
-	public static boolean foundFruit;
-	public static Item curItem = null;
-	
-	public static void operate( Hero hero, int pos ) {
-		
-		AlchemyPot.hero = hero;
-		AlchemyPot.pos = pos;
-
-		Iterator<Item> items = hero.belongings.iterator();
-		foundFruit = false;
-		Heap heap = Dungeon.level.heaps.get( pos );
-
-		if (heap == null)
-			while (items.hasNext() && !foundFruit){
-				curItem = items.next();
-				if (curItem instanceof Blandfruit && ((Blandfruit) curItem).potionAttrib == null){
-						GameScene.show(
-								new WndOptions(Messages.get(AlchemyPot.class, "pot"),
-											Messages.get(AlchemyPot.class, "options"),
-											Messages.get(AlchemyPot.class, "fruit"),
-											Messages.get(AlchemyPot.class, "potion")) {
-									@Override
-									protected void onSelect(int index) {
-										if (index == 0) {
-											curItem.cast( AlchemyPot.hero, AlchemyPot.pos );
-										} else
-											GameScene.selectItem(itemSelector, WndBag.Mode.SEED, Messages.get(AlchemyPot.class, "select_seed"));
-									}
-								}
-					);
-					foundFruit = true;
-				}
-			}
-
-		if (!foundFruit)
-			GameScene.selectItem(itemSelector, WndBag.Mode.SEED, Messages.get(AlchemyPot.class, "select_seed"));
-	}
-	
-	private static final WndBag.Listener itemSelector = new WndBag.Listener() {
-		@Override
-		public void onSelect( Item item ) {
-			if (item != null) {
-				item.cast( hero, pos );
-			}
-		}
-	};
-}

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/rooms/special/LaboratoryRoom.java

@@ -55,7 +55,7 @@ public class LaboratoryRoom extends SpecialRoom {
 		Painter.set( level, pot, Terrain.ALCHEMY );
 		
 		Alchemy alchemy = new Alchemy();
-		alchemy.seed( level, pot.x + level.width() * pot.y, 1 );
+		alchemy.seed( level, pot.x + level.width() * pot.y, Random.IntRange(25, 50) );
 		level.blobs.put( Alchemy.class, alchemy );
 		
 		int n = Random.IntRange( 2, 3 );

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/windows/WndAlchemy.java

@@ -0,0 +1,297 @@
+/*
+ * Pixel Dungeon
+ * Copyright (C) 2012-2015  Oleg Dolya
+ *
+ * Shattered Pixel Dungeon
+ * Copyright (C) 2014-2017 Evan Debenham
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+package com.shatteredpixel.shatteredpixeldungeon.windows;
+
+import com.shatteredpixel.shatteredpixeldungeon.Assets;
+import com.shatteredpixel.shatteredpixeldungeon.Badges;
+import com.shatteredpixel.shatteredpixeldungeon.Dungeon;
+import com.shatteredpixel.shatteredpixeldungeon.ShatteredPixelDungeon;
+import com.shatteredpixel.shatteredpixeldungeon.Statistics;
+import com.shatteredpixel.shatteredpixeldungeon.effects.Speck;
+import com.shatteredpixel.shatteredpixeldungeon.items.Generator;
+import com.shatteredpixel.shatteredpixeldungeon.items.Item;
+import com.shatteredpixel.shatteredpixeldungeon.items.food.Blandfruit;
+import com.shatteredpixel.shatteredpixeldungeon.items.potions.PotionOfHealing;
+import com.shatteredpixel.shatteredpixeldungeon.levels.Terrain;
+import com.shatteredpixel.shatteredpixeldungeon.messages.Messages;
+import com.shatteredpixel.shatteredpixeldungeon.plants.Plant;
+import com.shatteredpixel.shatteredpixeldungeon.scenes.GameScene;
+import com.shatteredpixel.shatteredpixeldungeon.scenes.PixelScene;
+import com.shatteredpixel.shatteredpixeldungeon.sprites.ItemSpriteSheet;
+import com.shatteredpixel.shatteredpixeldungeon.tiles.DungeonTerrainTilemap;
+import com.shatteredpixel.shatteredpixeldungeon.ui.Icons;
+import com.shatteredpixel.shatteredpixeldungeon.ui.ItemSlot;
+import com.shatteredpixel.shatteredpixeldungeon.ui.RedButton;
+import com.shatteredpixel.shatteredpixeldungeon.ui.RenderedTextMultiline;
+import com.shatteredpixel.shatteredpixeldungeon.ui.Window;
+import com.watabou.noosa.ColorBlock;
+import com.watabou.noosa.Image;
+import com.watabou.noosa.audio.Sample;
+import com.watabou.noosa.particles.Emitter;
+import com.watabou.utils.Random;
+
+import java.util.ArrayList;
+
+public class WndAlchemy extends Window {
+	
+	private WndBlacksmith.ItemButton[] inputs = new WndBlacksmith.ItemButton[3];
+	private ItemSlot output;
+	
+	private Emitter smokeEmitter;
+	private Emitter bubbleEmitter;
+	
+	private RedButton btnCombine;
+	
+	private static final int WIDTH_P = 116;
+	private static final int WIDTH_L = 160;
+	
+	private static final int BTN_SIZE	= 28;
+	
+	public WndAlchemy(){
+		
+		int w = WIDTH_P;
+		
+		int h = 0;
+		
+		IconTitle titlebar = new IconTitle();
+		titlebar.icon(DungeonTerrainTilemap.tile(0, Terrain.ALCHEMY));
+		titlebar.label( Messages.get(this, "title") );
+		titlebar.setRect( 0, 0, w, 0 );
+		add( titlebar );
+		
+		h += titlebar.height() + 2;
+		
+		RenderedTextMultiline desc = PixelScene.renderMultiline(6);
+		desc.text( Messages.get(this, "text") );
+		desc.setPos(0, h);
+		desc.maxWidth(w);
+		add(desc);
+		
+		h += desc.height() + 6;
+		
+		for (int i = 0; i < inputs.length; i++) {
+			inputs[i] = new WndBlacksmith.ItemButton(){
+				@Override
+				protected void onClick() {
+					super.onClick();
+					if (item != null){
+						if (!item.collect()){
+							Dungeon.level.drop(item, Dungeon.hero.pos);
+						}
+						item = null;
+						slot.item(new WndBag.Placeholder(ItemSpriteSheet.SOMETHING));
+					}
+					GameScene.selectItem( itemSelector, WndBag.Mode.ALCHEMY, Messages.get(WndAlchemy.class, "select") );
+				}
+			};
+			inputs[i].setRect(15, h, BTN_SIZE, BTN_SIZE);
+			add(inputs[i]);
+			h += BTN_SIZE + 2;
+		}
+		
+		Image arrow = Icons.get(Icons.RESUME);
+		arrow.hardlight(0, 0, 0);
+		arrow.x = (w - arrow.width)/2f;
+		arrow.y = inputs[1].top() + (inputs[1].height() - arrow.height)/2f;
+		PixelScene.align(arrow);
+		add(arrow);
+		
+		output = new ItemSlot(){
+			@Override
+			protected void onClick() {
+				super.onClick();
+				if (visible && item.trueName() != null){
+					GameScene.show(new WndInfoItem(item));
+				}
+			}
+		};
+		output.setRect(w - BTN_SIZE - 15, inputs[1].top(), BTN_SIZE, BTN_SIZE);
+		
+		ColorBlock outputBG = new ColorBlock(output.width(), output.height(), 0x9991938C);
+		outputBG.x = output.left();
+		outputBG.y = output.top();
+		add(outputBG);
+		
+		add(output);
+		output.visible = false;
+		
+		bubbleEmitter = new Emitter();
+		smokeEmitter = new Emitter();
+		bubbleEmitter.pos(outputBG.x + (BTN_SIZE-16)/2f, outputBG.y + (BTN_SIZE-16)/2f, 16, 16);
+		smokeEmitter.pos(bubbleEmitter.x, bubbleEmitter.y, bubbleEmitter.width, bubbleEmitter.height);
+		bubbleEmitter.autoKill = false;
+		smokeEmitter.autoKill = false;
+		add(bubbleEmitter);
+		add(smokeEmitter);
+		
+		h += 4;
+		
+		float btnWidth = (w-14)/2f;
+		
+		btnCombine = new RedButton(Messages.get(this, "combine")){
+			@Override
+			protected void onClick() {
+				super.onClick();
+				combine();
+			}
+		};
+		btnCombine.setRect(5, h, btnWidth, 18);
+		PixelScene.align(btnCombine);
+		btnCombine.enable(false);
+		add(btnCombine);
+		
+		RedButton btnCancel = new RedButton(Messages.get(this, "cancel")){
+			@Override
+			protected void onClick() {
+				super.onClick();
+				onBackPressed();
+			}
+		};
+		btnCancel.setRect(w - 5 - btnWidth, h, btnWidth, 18);
+		PixelScene.align(btnCancel);
+		add(btnCancel);
+		
+		h += btnCancel.height();
+		
+		resize(w, h);
+	}
+	
+	protected WndBag.Listener itemSelector = new WndBag.Listener() {
+		@Override
+		public void onSelect( Item item ) {
+			if (item != null) {
+				for (int i = 0; i < inputs.length; i++) {
+					if (inputs[i].item == null){
+						inputs[i].item(item.detach(Dungeon.hero.belongings.backpack));
+						break;
+					}
+				}
+			}
+			updateState();
+		}
+	};
+	
+	private<T extends Item> ArrayList<T> filterInput(Class<? extends T> itemClass){
+		ArrayList<T> filtered = new ArrayList<>();
+		for (int i = 0; i < inputs.length; i++){
+			Item item = inputs[i].item;
+			if (item != null && itemClass.isInstance(item)){
+				filtered.add((T)item);
+			}
+		}
+		return filtered;
+	}
+	
+	private void updateState(){
+		//potion creation
+		if (filterInput(Plant.Seed.class).size() == 3){
+			output.item(new WndBag.Placeholder(ItemSpriteSheet.POTION_HOLDER));
+			output.visible = true;
+			btnCombine.enable(true);
+			
+		//blandfruit cooking
+		} else if (filterInput(Blandfruit.class).size() == 1 && filterInput(Plant.Seed.class).size() == 1){
+			output.item(new WndBag.Placeholder(ItemSpriteSheet.SOMETHING));
+			output.visible = true;
+			btnCombine.enable(true);
+			
+		} else {
+			btnCombine.enable(false);
+			output.visible = false;
+		}
+	}
+
+	private void combine(){
+		ArrayList<Plant.Seed> seeds = filterInput(Plant.Seed.class);
+		ArrayList<Blandfruit> fruits = filterInput(Blandfruit.class);
+		
+		Item result = null;
+		
+		//potion creation
+		if (seeds.size() == 3){
+			
+			if (Random.Int( 3 ) == 0) {
+				
+				result = Generator.random( Generator.Category.POTION );
+				
+			} else {
+				
+				Class<? extends Item> itemClass = Random.element(seeds).alchemyClass;
+				try {
+					result = itemClass.newInstance();
+				} catch (Exception e) {
+					ShatteredPixelDungeon.reportException(e);
+					result = Generator.random( Generator.Category.POTION );
+				}
+				
+			}
+			
+			while (result instanceof PotionOfHealing
+					&& Random.Int(10) < Dungeon.LimitedDrops.COOKING_HP.count) {
+				result = Generator.random(Generator.Category.POTION);
+			}
+			
+			if (result instanceof PotionOfHealing) {
+				Dungeon.LimitedDrops.COOKING_HP.count++;
+			}
+			
+			Statistics.potionsCooked++;
+			Badges.validatePotionsCooked();
+			
+		//blandfruit cooking
+		} else if (fruits.size() == 1 && seeds.size() == 1) {
+			result = fruits.get(0);
+			((Blandfruit)result).cook(seeds.get(0));
+		}
+		
+		if (result != null){
+			bubbleEmitter.start(Speck.factory( Speck.BUBBLE ), 0.2f, 10 );
+			smokeEmitter.burst(Speck.factory( Speck.WOOL ), 10 );
+			Sample.INSTANCE.play( Assets.SND_PUFF );
+			
+			output.item(result);
+			if (!result.collect()){
+				Dungeon.level.drop(result, Dungeon.hero.pos);
+			}
+			
+			for (int i = 0; i < inputs.length; i++){
+				inputs[i].slot.item(new WndBag.Placeholder(ItemSpriteSheet.SOMETHING));
+				inputs[i].item = null;
+			}
+			
+			btnCombine.enable(false);
+		}
+		
+	}
+	
+	@Override
+	public void onBackPressed() {
+		for (int i = 0; i < inputs.length; i++) {
+			if (inputs[i].item != null){
+				if (!inputs[i].item.collect()){
+					Dungeon.level.drop(inputs[i].item, Dungeon.hero.pos);
+				}
+			}
+		}
+		super.onBackPressed();
+	}
+}

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/windows/WndBag.java

@@ -37,6 +37,7 @@ import com.shatteredpixel.shatteredpixeldungeon.items.bags.PotionBandolier;
 import com.shatteredpixel.shatteredpixeldungeon.items.bags.ScrollHolder;
 import com.shatteredpixel.shatteredpixeldungeon.items.bags.SeedPouch;
 import com.shatteredpixel.shatteredpixeldungeon.items.bags.WandHolster;
+import com.shatteredpixel.shatteredpixeldungeon.items.food.Blandfruit;
 import com.shatteredpixel.shatteredpixeldungeon.items.food.Food;
 import com.shatteredpixel.shatteredpixeldungeon.items.potions.Potion;
 import com.shatteredpixel.shatteredpixeldungeon.items.scrolls.Scroll;
@@ -45,6 +46,7 @@ import com.shatteredpixel.shatteredpixeldungeon.items.weapon.Weapon;
 import com.shatteredpixel.shatteredpixeldungeon.items.weapon.melee.MeleeWeapon;
 import com.shatteredpixel.shatteredpixeldungeon.items.weapon.missiles.Boomerang;
 import com.shatteredpixel.shatteredpixeldungeon.messages.Messages;
+import com.shatteredpixel.shatteredpixeldungeon.plants.BlandfruitBush;
 import com.shatteredpixel.shatteredpixeldungeon.plants.Plant.Seed;
 import com.shatteredpixel.shatteredpixeldungeon.scenes.GameScene;
 import com.shatteredpixel.shatteredpixeldungeon.scenes.PixelScene;
@@ -77,7 +79,8 @@ public class WndBag extends WndTabbed {
 		FOOD,
 		POTION,
 		SCROLL,
-		EQUIPMENT
+		EQUIPMENT,
+		ALCHEMY
 	}
 
 	protected static final int COLS_P    = 4;
@@ -400,6 +403,7 @@ public class WndBag extends WndTabbed {
 						mode == Mode.POTION && (item instanceof Potion) ||
 						mode == Mode.SCROLL && (item instanceof Scroll) ||
 						mode == Mode.EQUIPMENT && (item instanceof EquipableItem) ||
+						mode == Mode.ALCHEMY && ((item instanceof Seed && !(item instanceof BlandfruitBush.Seed)) || (item instanceof Blandfruit && ((Blandfruit) item).potionAttrib == null)) ||
 						mode == Mode.ALL
 					);
 					//extra logic for cursed weapons or armor

core/src/main/resources/com/shatteredpixel/shatteredpixeldungeon/messages/windows/windows.properties

@@ -1,3 +1,9 @@
+windows.wndalchemy.title=Alchemy
+windows.wndalchemy.text=Combine three seeds to create a potion!
+windows.wndalchemy.combine=Combine
+windows.wndalchemy.cancel=Cancel
+windows.wndalchemy.select=Select an item
+
 windows.wndblacksmith.prompt=Ok, a deal is a deal, here's what I can do for you: I can reforge 2 items and turn them into one of a better quality.
 windows.wndblacksmith.select=Reforge an item
 windows.wndblacksmith.reforge=Reforge them