From d6bcfae526edd339fe056318a813d1c29b2984cc Mon Sep 17 00:00:00 2001
From: DD <liudi08@gmail.com>
Date: Fri, 23 Feb 2018 10:21:29 -0500
Subject: [PATCH] Remove costume ID

---
 src/sprites/sprite.js  | 9 +--------
 src/virtual-machine.js | 8 --------
 2 files changed, 1 insertion(+), 16 deletions(-)

diff --git a/src/sprites/sprite.js b/src/sprites/sprite.js
index d3e53b8db..4e9bd2894 100644
--- a/src/sprites/sprite.js
+++ b/src/sprites/sprite.js
@@ -32,8 +32,7 @@ class Sprite {
          *      name: "Costume Name",
          *      bitmapResolution: 2,
          *      rotationCenterX: 0,
-         *      rotationCenterY: 0,
-         *      costumeId: 0
+         *      rotationCenterY: 0
          * }
          * @type {Array.<!Object>}
          */
@@ -47,10 +46,6 @@ class Sprite {
          * @type {Array.<!RenderedTarget>}
          */
         this.clones = [];
-        /**
-         * A costume ID generator. Costumes within a sprite should each have a unique ID.
-         */
-        this.nextCostumeId = 0;
     }
     
     /**
@@ -85,8 +80,6 @@ class Sprite {
         }
         const usedNames = this.costumes_.map(costume => costume.name);
         costumeObject.name = StringUtil.unusedName(costumeObject.name, usedNames);
-        costumeObject.costumeId = this.nextCostumeId;
-        this.nextCostumeId++;
         this.costumes_.splice(index, 0, costumeObject);
     }
 
diff --git a/src/virtual-machine.js b/src/virtual-machine.js
index 9d4b21ea8..af190b9de 100644
--- a/src/virtual-machine.js
+++ b/src/virtual-machine.js
@@ -327,14 +327,6 @@ class VirtualMachine extends EventEmitter {
         });
     }
 
-    duplicateCostume (costumeIndex) {
-        const currentCostume = this.editingTarget.getCostumes()[costumeIndex];
-        const clone = Object.assign({}, currentCostume);
-        this.editingTarget.addCostumeAt(clone, costumeIndex + 1);
-        this.editingTarget.setCostume(costumeIndex + 1);
-        this.emitTargetsUpdate();
-    }
-
     /**
      * Rename a costume on the current editing target.
      * @param {int} costumeIndex - the index of the costume to be renamed.