v2.4.0: implemented part of new mimic tooth trinket

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

@@ -1303,6 +1303,9 @@ items.trinkets.dimensionalsundial.desc=This small handheld sundial is somehow ab
 items.trinkets.exoticcrystals.name=exotic crystals
 items.trinkets.exoticcrystals.desc=These small pink crystals have the same shape as crystals of alchemical energy. While they can't be used for energy directly, they seem to be somehow influencing the potions and scrolls you find.\n\nAt its current level this trinket will replace _%d%%_ of potion or scroll drops with their exotic equivalents. This does not affect potions of strength, scrolls of upgrade, or items that are generated to help solve hazard rooms.
 
+items.trinkets.mimictooth.name=mimic tooth
+items.trinkets.mimictooth.desc=TODO\n\nAt its current level this trinket will make all kinds of mimics _%sx_ more common, and will make mimics more difficult to detect.
+
 items.trinkets.mossyclump.name=mossy clump
 items.trinkets.mossyclump.desc=This clump of wet moss seems to hold onto its moisture no matter how hard you squeeze it. It seems to be magically tied to the dungeon itself, making grass and water more likely to appear.\n\nAt its current level this trinket will make _%d%%_ of regular floors become filled with either water or grass instead.\n\nThis trinket costs a relatively large amount of energy to upgrade.
 

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/Dungeon.java

@@ -35,6 +35,7 @@ import com.shatteredpixel.shatteredpixeldungeon.actors.buffs.Terror;
 import com.shatteredpixel.shatteredpixeldungeon.actors.hero.Hero;
 import com.shatteredpixel.shatteredpixeldungeon.actors.hero.Talent;
 import com.shatteredpixel.shatteredpixeldungeon.actors.hero.abilities.huntress.SpiritHawk;
+import com.shatteredpixel.shatteredpixeldungeon.actors.mobs.Mimic;
 import com.shatteredpixel.shatteredpixeldungeon.actors.mobs.Mob;
 import com.shatteredpixel.shatteredpixeldungeon.actors.mobs.npcs.Blacksmith;
 import com.shatteredpixel.shatteredpixeldungeon.actors.mobs.npcs.Ghost;
@@ -48,6 +49,7 @@ import com.shatteredpixel.shatteredpixeldungeon.items.artifacts.TalismanOfForesi
 import com.shatteredpixel.shatteredpixeldungeon.items.potions.Potion;
 import com.shatteredpixel.shatteredpixeldungeon.items.rings.Ring;
 import com.shatteredpixel.shatteredpixeldungeon.items.scrolls.Scroll;
+import com.shatteredpixel.shatteredpixeldungeon.items.trinkets.MimicTooth;
 import com.shatteredpixel.shatteredpixeldungeon.items.wands.WandOfRegrowth;
 import com.shatteredpixel.shatteredpixeldungeon.items.wands.WandOfWarding;
 import com.shatteredpixel.shatteredpixeldungeon.journal.Notes;
@@ -943,8 +945,13 @@ public class Dungeon {
 	
 		GameScene.updateFog(l, t, width, height);
 
+		boolean stealthyMimics = MimicTooth.stealthyMimics();
 		if (hero.buff(MindVision.class) != null){
 			for (Mob m : level.mobs.toArray(new Mob[0])){
+				if (stealthyMimics && m instanceof Mimic && m.alignment == Char.Alignment.NEUTRAL){
+					continue;
+				}
+
 				BArray.or( level.visited, level.heroFOV, m.pos - 1 - level.width(), 3, level.visited );
 				BArray.or( level.visited, level.heroFOV, m.pos - 1, 3, level.visited );
 				BArray.or( level.visited, level.heroFOV, m.pos - 1 + level.width(), 3, level.visited );

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

@@ -36,6 +36,7 @@ import com.shatteredpixel.shatteredpixeldungeon.items.Item;
 import com.shatteredpixel.shatteredpixeldungeon.items.artifacts.Artifact;
 import com.shatteredpixel.shatteredpixeldungeon.items.rings.Ring;
 import com.shatteredpixel.shatteredpixeldungeon.items.scrolls.ScrollOfTeleportation;
+import com.shatteredpixel.shatteredpixeldungeon.items.trinkets.MimicTooth;
 import com.shatteredpixel.shatteredpixeldungeon.items.wands.Wand;
 import com.shatteredpixel.shatteredpixeldungeon.messages.Messages;
 import com.shatteredpixel.shatteredpixeldungeon.sprites.MimicSprite;
@@ -82,7 +83,10 @@ public class CrystalMimic extends Mimic {
 			if (desc == null) {
 				desc = Messages.get(Heap.class, "locked_chest_desc");
 			}
-			return desc + "\n\n" + Messages.get(this, "hidden_hint");
+			if (!MimicTooth.stealthyMimics()){
+				desc += "\n\n" + Messages.get(this, "hidden_hint");
+			}
+			return desc;
 		} else {
 			return super.description();
 		}

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

@@ -31,6 +31,7 @@ import com.shatteredpixel.shatteredpixeldungeon.items.Heap;
 import com.shatteredpixel.shatteredpixeldungeon.items.Item;
 import com.shatteredpixel.shatteredpixeldungeon.items.armor.Armor;
 import com.shatteredpixel.shatteredpixeldungeon.items.artifacts.Artifact;
+import com.shatteredpixel.shatteredpixeldungeon.items.trinkets.MimicTooth;
 import com.shatteredpixel.shatteredpixeldungeon.items.wands.Wand;
 import com.shatteredpixel.shatteredpixeldungeon.items.weapon.Weapon;
 import com.shatteredpixel.shatteredpixeldungeon.items.weapon.missiles.MissileWeapon;
@@ -58,7 +59,11 @@ public class GoldenMimic extends Mimic {
 	@Override
 	public String description() {
 		if (alignment == Alignment.NEUTRAL){
-			return Messages.get(Heap.class, "locked_chest_desc") + "\n\n" + Messages.get(this, "hidden_hint");
+			if (MimicTooth.stealthyMimics()){
+				return Messages.get(Heap.class, "locked_chest_desc");
+			} else {
+				return Messages.get(Heap.class, "locked_chest_desc") + "\n\n" + Messages.get(this, "hidden_hint");
+			}
 		} else {
 			return super.description();
 		}

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

@@ -34,6 +34,7 @@ import com.shatteredpixel.shatteredpixeldungeon.items.Gold;
 import com.shatteredpixel.shatteredpixeldungeon.items.Heap;
 import com.shatteredpixel.shatteredpixeldungeon.items.Item;
 import com.shatteredpixel.shatteredpixeldungeon.items.artifacts.TimekeepersHourglass;
+import com.shatteredpixel.shatteredpixeldungeon.items.trinkets.MimicTooth;
 import com.shatteredpixel.shatteredpixeldungeon.messages.Messages;
 import com.shatteredpixel.shatteredpixeldungeon.plants.Swiftthistle;
 import com.shatteredpixel.shatteredpixeldungeon.sprites.CharSprite;
@@ -114,7 +115,11 @@ public class Mimic extends Mob {
 	@Override
 	public String description() {
 		if (alignment == Alignment.NEUTRAL){
-			return Messages.get(Heap.class, "chest_desc") + "\n\n" + Messages.get(this, "hidden_hint");
+			if (MimicTooth.stealthyMimics()){
+				return Messages.get(Heap.class, "chest_desc");
+			} else {
+				return Messages.get(Heap.class, "chest_desc") + "\n\n" + Messages.get(this, "hidden_hint");
+			}
 		} else {
 			return super.description();
 		}

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

@@ -108,6 +108,7 @@ import com.shatteredpixel.shatteredpixeldungeon.items.stones.StoneOfIntuition;
 import com.shatteredpixel.shatteredpixeldungeon.items.stones.StoneOfShock;
 import com.shatteredpixel.shatteredpixeldungeon.items.trinkets.DimensionalSundial;
 import com.shatteredpixel.shatteredpixeldungeon.items.trinkets.ExoticCrystals;
+import com.shatteredpixel.shatteredpixeldungeon.items.trinkets.MimicTooth;
 import com.shatteredpixel.shatteredpixeldungeon.items.trinkets.MossyClump;
 import com.shatteredpixel.shatteredpixeldungeon.items.trinkets.ParchmentScrap;
 import com.shatteredpixel.shatteredpixeldungeon.items.trinkets.PetrifiedSeed;
@@ -561,12 +562,13 @@ public class Generator {
 					ParchmentScrap.class,
 					PetrifiedSeed.class,
 					ExoticCrystals.class,
+					MimicTooth.class,
 					MossyClump.class,
 					DimensionalSundial.class,
 					ThirteenLeafClover.class,
 					TrapMechanism.class
 			};
-			TRINKET.defaultProbs = new float[]{ 1, 1, 1, 1, 1, 1, 1, 1 };
+			TRINKET.defaultProbs = new float[]{ 1, 1, 1, 1, 1, 1, 1, 1, 1 };
 			TRINKET.probs = TRINKET.defaultProbs.clone();
 
 			for (Category cat : Category.values()){

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/items/trinkets/MimicTooth.java

@@ -0,0 +1,60 @@
+/*
+ * Pixel Dungeon
+ * Copyright (C) 2012-2015 Oleg Dolya
+ *
+ * Shattered Pixel Dungeon
+ * Copyright (C) 2014-2024 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.items.trinkets;
+
+import com.shatteredpixel.shatteredpixeldungeon.messages.Messages;
+import com.shatteredpixel.shatteredpixeldungeon.sprites.ItemSpriteSheet;
+
+public class MimicTooth extends Trinket {
+
+	{
+		image = ItemSpriteSheet.MIMIC_TOOTH;
+	}
+
+	@Override
+	protected int upgradeEnergyCost() {
+		//5 -> 8(13) -> 10(23) -> 12(35)
+		return 6+2*level();
+	}
+
+	@Override
+	public String desc() {
+		return Messages.get(this, "desc", Float.toString(mimicChanceMultiplier(buffedLvl())));
+	}
+
+	public static float mimicChanceMultiplier(){
+		return mimicChanceMultiplier(trinketLevel(MimicTooth.class));
+	}
+
+	public static float mimicChanceMultiplier( int level ){
+		if (level == -1){
+			return 1f;
+		} else {
+			return 1.5f + 0.5f*level;
+		}
+	}
+
+	public static boolean stealthyMimics(){
+		return trinketLevel(MimicTooth.class) >= 0;
+	}
+
+}

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

@@ -49,6 +49,7 @@ import com.shatteredpixel.shatteredpixeldungeon.actors.hero.Talent;
 import com.shatteredpixel.shatteredpixeldungeon.actors.hero.abilities.huntress.SpiritHawk;
 import com.shatteredpixel.shatteredpixeldungeon.actors.mobs.Bestiary;
 import com.shatteredpixel.shatteredpixeldungeon.actors.mobs.GnollGeomancer;
+import com.shatteredpixel.shatteredpixeldungeon.actors.mobs.Mimic;
 import com.shatteredpixel.shatteredpixeldungeon.actors.mobs.Mob;
 import com.shatteredpixel.shatteredpixeldungeon.actors.mobs.Piranha;
 import com.shatteredpixel.shatteredpixeldungeon.actors.mobs.YogFist;
@@ -67,6 +68,7 @@ import com.shatteredpixel.shatteredpixeldungeon.items.potions.PotionOfStrength;
 import com.shatteredpixel.shatteredpixeldungeon.items.scrolls.ScrollOfUpgrade;
 import com.shatteredpixel.shatteredpixeldungeon.items.stones.StoneOfEnchantment;
 import com.shatteredpixel.shatteredpixeldungeon.items.stones.StoneOfIntuition;
+import com.shatteredpixel.shatteredpixeldungeon.items.trinkets.MimicTooth;
 import com.shatteredpixel.shatteredpixeldungeon.items.trinkets.MossyClump;
 import com.shatteredpixel.shatteredpixeldungeon.items.trinkets.DimensionalSundial;
 import com.shatteredpixel.shatteredpixeldungeon.items.trinkets.TrapMechanism;
@@ -1352,8 +1354,12 @@ public abstract class Level implements Bundlable {
 			}
 
 			Dungeon.hero.mindVisionEnemies.clear();
+			boolean stealthyMimics = MimicTooth.stealthyMimics();
 			if (c.buff( MindVision.class ) != null) {
 				for (Mob mob : mobs) {
+					if (stealthyMimics && mob instanceof Mimic && mob.alignment == Char.Alignment.NEUTRAL){
+						continue;
+					}
 					for (int i : PathFinder.NEIGHBOURS9) {
 						heroMindFov[mob.pos + i] = true;
 					}
@@ -1362,6 +1368,9 @@ public abstract class Level implements Bundlable {
 				Hero h = (Hero) c;
 				int range = 1+h.pointsInTalent(Talent.HEIGHTENED_SENSES);
 				for (Mob mob : mobs) {
+					if (stealthyMimics && mob instanceof Mimic && mob.alignment == Char.Alignment.NEUTRAL){
+						continue;
+					}
 					int p = mob.pos;
 					if (!fieldOfView[p] && distance(c.pos, p) <= range) {
 						for (int i : PathFinder.NEIGHBOURS9) {

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

@@ -48,6 +48,7 @@ import com.shatteredpixel.shatteredpixeldungeon.items.journal.GuidePage;
 import com.shatteredpixel.shatteredpixeldungeon.items.journal.RegionLorePage;
 import com.shatteredpixel.shatteredpixeldungeon.items.keys.GoldenKey;
 import com.shatteredpixel.shatteredpixeldungeon.items.keys.Key;
+import com.shatteredpixel.shatteredpixeldungeon.items.trinkets.MimicTooth;
 import com.shatteredpixel.shatteredpixeldungeon.items.trinkets.TrinketCatalyst;
 import com.shatteredpixel.shatteredpixeldungeon.journal.Document;
 import com.shatteredpixel.shatteredpixeldungeon.journal.Notes;
@@ -384,6 +385,13 @@ public abstract class RegularLevel extends Level {
 			case 2:
 			case 3:
 			case 4:
+				//base mimic chance is 1/20, regular chest is 4/20
+				// so each +1x mimic spawn rate converts to a 25% chance here
+				if (Random.Float() < (MimicTooth.mimicChanceMultiplier() - 1f)/4f  && findMob(cell) == null){
+					mobs.add(Mimic.spawnAt(cell, toDrop));
+					continue;
+				}
+
 				type = Heap.Type.CHEST;
 				break;
 			case 5:
@@ -401,7 +409,8 @@ public abstract class RegularLevel extends Level {
 			if ((toDrop instanceof Artifact && Random.Int(2) == 0) ||
 					(toDrop.isUpgradable() && Random.Int(4 - toDrop.level()) == 0)){
 
-				if (Dungeon.depth > 1 && Random.Int(10) == 0 && findMob(cell) == null){
+				float mimicChance = 1/10f * MimicTooth.mimicChanceMultiplier();
+				if (Dungeon.depth > 1 && Random.Float() < mimicChance && findMob(cell) == null){
 					mobs.add(Mimic.spawnAt(cell, GoldenMimic.class, toDrop));
 				} else {
 					Heap dropped = drop(toDrop, cell);

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

@@ -30,6 +30,7 @@ import com.shatteredpixel.shatteredpixeldungeon.items.Heap;
 import com.shatteredpixel.shatteredpixeldungeon.items.Item;
 import com.shatteredpixel.shatteredpixeldungeon.items.keys.CrystalKey;
 import com.shatteredpixel.shatteredpixeldungeon.items.keys.IronKey;
+import com.shatteredpixel.shatteredpixeldungeon.items.trinkets.MimicTooth;
 import com.shatteredpixel.shatteredpixeldungeon.items.trinkets.RatSkull;
 import com.shatteredpixel.shatteredpixeldungeon.levels.Level;
 import com.shatteredpixel.shatteredpixeldungeon.levels.Terrain;
@@ -73,6 +74,7 @@ public class CrystalVaultRoom extends SpecialRoom {
 		level.drop( i1, i1Pos ).type = Heap.Type.CRYSTAL_CHEST;
 		float altChance = 1/10f * RatSkull.exoticChanceMultiplier();
 		if (altChance > 0.1f) altChance = (altChance+0.1f)/2f; //rat skull is 1/2 as effective here
+		altChance *= MimicTooth.mimicChanceMultiplier(); //mimic tooth has full effectiveness
 		if (Random.Float() < altChance){
 			level.mobs.add(Mimic.spawnAt(i2Pos, CrystalMimic.class, i2));
 		} else {

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

@@ -27,6 +27,7 @@ import com.shatteredpixel.shatteredpixeldungeon.items.Gold;
 import com.shatteredpixel.shatteredpixeldungeon.items.Heap;
 import com.shatteredpixel.shatteredpixeldungeon.items.Item;
 import com.shatteredpixel.shatteredpixeldungeon.items.keys.IronKey;
+import com.shatteredpixel.shatteredpixeldungeon.items.trinkets.MimicTooth;
 import com.shatteredpixel.shatteredpixeldungeon.items.trinkets.TrinketCatalyst;
 import com.shatteredpixel.shatteredpixeldungeon.levels.Level;
 import com.shatteredpixel.shatteredpixeldungeon.levels.Terrain;
@@ -45,6 +46,7 @@ public class TreasuryRoom extends SpecialRoom {
 		Heap.Type heapType = Random.Int( 2 ) == 0 ? Heap.Type.CHEST : Heap.Type.HEAP;
 		
 		int n = Random.IntRange( 2, 3 );
+		float mimicChance = 1/5f * MimicTooth.mimicChanceMultiplier();
 		for (int i=0; i < n; i++) {
 			Item item = level.findPrizeItem(TrinketCatalyst.class);
 			if (item == null) item = new Gold().random();
@@ -53,7 +55,7 @@ public class TreasuryRoom extends SpecialRoom {
 			do {
 				pos = level.pointToCell(random());
 			} while (level.map[pos] != Terrain.EMPTY || level.heaps.get( pos ) != null || level.findMob(pos) != null);
-			if (heapType == Heap.Type.CHEST && Dungeon.depth > 1 && Random.Int( 5 ) == 0){
+			if (heapType == Heap.Type.CHEST && Dungeon.depth > 1 && Random.Float() < mimicChance){
 				level.mobs.add(Mimic.spawnAt(pos, item));
 			} else {
 				level.drop( item, pos ).type = heapType;

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/rooms/standard/SuspiciousChestRoom.java

@@ -25,6 +25,7 @@ import com.shatteredpixel.shatteredpixeldungeon.actors.mobs.Mimic;
 import com.shatteredpixel.shatteredpixeldungeon.items.Gold;
 import com.shatteredpixel.shatteredpixeldungeon.items.Heap;
 import com.shatteredpixel.shatteredpixeldungeon.items.Item;
+import com.shatteredpixel.shatteredpixeldungeon.items.trinkets.MimicTooth;
 import com.shatteredpixel.shatteredpixeldungeon.levels.Level;
 import com.shatteredpixel.shatteredpixeldungeon.levels.Terrain;
 import com.shatteredpixel.shatteredpixeldungeon.levels.painters.Painter;
@@ -61,7 +62,8 @@ public class SuspiciousChestRoom extends StandardRoom {
 
 		Painter.set(level, center, Terrain.PEDESTAL);
 
-		if (Random.Int(3) == 0) {
+		float mimicChance = 1/3f * MimicTooth.mimicChanceMultiplier();
+		if (Random.Float() < mimicChance) {
 			level.mobs.add(Mimic.spawnAt(center, i));
 		} else {
 			level.drop(i, center).type = Heap.Type.CHEST;

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/scenes/GameScene.java

@@ -41,6 +41,7 @@ import com.shatteredpixel.shatteredpixeldungeon.actors.hero.Hero;
 import com.shatteredpixel.shatteredpixeldungeon.actors.hero.Talent;
 import com.shatteredpixel.shatteredpixeldungeon.actors.mobs.DemonSpawner;
 import com.shatteredpixel.shatteredpixeldungeon.actors.mobs.Ghoul;
+import com.shatteredpixel.shatteredpixeldungeon.actors.mobs.Mimic;
 import com.shatteredpixel.shatteredpixeldungeon.actors.mobs.Mob;
 import com.shatteredpixel.shatteredpixeldungeon.actors.mobs.Snake;
 import com.shatteredpixel.shatteredpixeldungeon.effects.BannerSprites;
@@ -59,6 +60,7 @@ import com.shatteredpixel.shatteredpixeldungeon.items.journal.Guidebook;
 import com.shatteredpixel.shatteredpixeldungeon.items.potions.Potion;
 import com.shatteredpixel.shatteredpixeldungeon.items.scrolls.ScrollOfTeleportation;
 import com.shatteredpixel.shatteredpixeldungeon.items.trinkets.DimensionalSundial;
+import com.shatteredpixel.shatteredpixeldungeon.items.trinkets.MimicTooth;
 import com.shatteredpixel.shatteredpixeldungeon.journal.Document;
 import com.shatteredpixel.shatteredpixeldungeon.journal.Journal;
 import com.shatteredpixel.shatteredpixeldungeon.levels.Level;
@@ -1285,8 +1287,16 @@ public class GameScene extends PixelScene {
 	
 	public static void afterObserve() {
 		if (scene != null) {
+			boolean stealthyMimics = MimicTooth.stealthyMimics();
 			for (Mob mob : Dungeon.level.mobs.toArray(new Mob[0])) {
-				if (mob.sprite != null) mob.sprite.visible = Dungeon.level.heroFOV[mob.pos];
+				if (mob.sprite != null) {
+					if (stealthyMimics && mob instanceof Mimic && mob.state == mob.PASSIVE && mob.sprite.visible){
+						//mimics stay visible in fog of war after being first seen
+						mob.sprite.visible = true;
+					} else {
+						mob.sprite.visible = Dungeon.level.heroFOV[mob.pos];
+					}
+				}
 				if (mob instanceof Ghoul){
 					for (Ghoul.GhoulLifeLink link : mob.buffs(Ghoul.GhoulLifeLink.class)){
 						link.updateVisibility();

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/sprites/ItemSpriteSheet.java

@@ -480,15 +480,17 @@ public class ItemSpriteSheet {
 	public static final int SUNDIAL         = TRINKETS+5;
 	public static final int CLOVER          = TRINKETS+6;
 	public static final int TRAP_MECHANISM  = TRINKETS+7;
+	public static final int MIMIC_TOOTH     = TRINKETS+8;
 	static{
-		assignItemRect(RAT_SKULL,       16,  11);
-		assignItemRect(PARCHMENT_SCRAP, 10,  14);
-		assignItemRect(PETRIFIED_SEED,  10,  10);
-		assignItemRect(EXOTIC_CRYSTALS, 14,  13);
-		assignItemRect(MOSSY_CLUMP,     12,  11);
-		assignItemRect(SUNDIAL,         16,  12);
-		assignItemRect(CLOVER,          11,  15);
-		assignItemRect(TRAP_MECHANISM,  13,  15);
+		assignItemRect(RAT_SKULL,       16, 11);
+		assignItemRect(PARCHMENT_SCRAP, 10, 14);
+		assignItemRect(PETRIFIED_SEED,  10, 10);
+		assignItemRect(EXOTIC_CRYSTALS, 14, 13);
+		assignItemRect(MOSSY_CLUMP,     12, 11);
+		assignItemRect(SUNDIAL,         16, 12);
+		assignItemRect(CLOVER,          11, 15);
+		assignItemRect(TRAP_MECHANISM,  13, 15);
+		assignItemRect(MIMIC_TOOTH,     7,  13);
 	}
 
 	private static final int SCROLLS        =                               xy(1, 19);  //16 slots

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/sprites/MimicSprite.java

@@ -23,10 +23,13 @@ package com.shatteredpixel.shatteredpixeldungeon.sprites;
 
 import com.shatteredpixel.shatteredpixeldungeon.Assets;
 import com.shatteredpixel.shatteredpixeldungeon.actors.Char;
+import com.shatteredpixel.shatteredpixeldungeon.items.trinkets.MimicTooth;
 import com.watabou.noosa.TextureFilm;
 
 public class MimicSprite extends MobSprite {
 
+	private Animation advancedHiding;
+
 	private Animation hiding;
 
 	{
@@ -49,20 +52,23 @@ public class MimicSprite extends MobSprite {
 
 		TextureFilm frames = new TextureFilm( texture, 16, 16 );
 
+		advancedHiding = new Animation( 1, true );
+		advancedHiding.frames( frames, 0+c);
+
 		hiding = new Animation( 1, true );
-		hiding.frames( frames, 0+c, 0+c, 0+c, 0+c, 0+c, 1+c);
+		hiding.frames( frames, 1+c, 1+c, 1+c, 1+c, 1+c, 2+c);
 
 		idle = new Animation( 5, true );
-		idle.frames( frames, 2+c, 2+c, 2+c, 3+c, 3+c );
+		idle.frames( frames, 3+c, 3+c, 3+c, 4+c, 4+c );
 
 		run = new Animation( 10, true );
-		run.frames( frames, 2+c, 3+c, 4+c, 5+c, 5+c, 4+c, 3+c );
+		run.frames( frames, 3+c, 4+c, 5+c, 6+c, 6+c, 5+c, 4+c );
 
 		attack = new Animation( 10, false );
-		attack.frames( frames, 2+c, 6+c, 7+c, 8+c );
+		attack.frames( frames, 3+c, 7+c, 8+c, 9+c );
 
 		die = new Animation( 5, false );
-		die.frames( frames, 9+c, 10+c, 11+c );
+		die.frames( frames, 10+c, 111+c, 12+c );
 
 		play( idle );
 	}
@@ -76,13 +82,17 @@ public class MimicSprite extends MobSprite {
 	}
 
 	public void hideMimic(){
-		play(hiding);
+		if (MimicTooth.stealthyMimics()){
+			play(advancedHiding);
+		} else {
+			play(hiding);
+		}
 		hideSleep();
 	}
 
 	@Override
 	public void showSleep() {
-		if (curAnim == hiding){
+		if (curAnim == hiding || curAnim == advancedHiding){
 			return;
 		}
 		super.showSleep();