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spine-starling, use Vector of Dictionarys to avoid allocation to look up skin attachments.

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#236
This commit is contained in:
NathanSweet 2014-07-25 23:04:32 +02:00
parent dee15d16b3
commit 6d398233d7
1 changed files with 24 additions and 13 deletions
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37
spine-as3/spine-as3/src/spine/Skin.as
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@ -29,12 +29,14 @@
*****************************************************************************/
package spine {
import flash.utils.Dictionary;
import spine.attachments.Attachment;
/** Stores attachments by slot index and attachment name. */
public class Skin {
internal var _name:String;
private var _attachments:Object = new Object();
private var _attachments:Vector.<Dictionary> = new Vector.<Dictionary>();
public function Skin (name:String) {
if (name == null)
@ -45,15 +47,19 @@ public class Skin {
public function addAttachment (slotIndex:int, name:String, attachment:Attachment) : void {
if (attachment == null)
throw new ArgumentError("attachment cannot be null.");
_attachments[slotIndex + ":" + name] = attachment;
if (slotIndex >= attachments.length) attachments.length = slotIndex + 1;
if (!attachments[slotIndex]) attachments[slotIndex] = new Dictionary();
attachments[slotIndex][name] = attachment;
}
/** @return May be null. */
public function getAttachment (slotIndex:int, name:String) : Attachment {
return _attachments[slotIndex + ":" + name];
if (slotIndex >= attachments.length) return null;
var dictionary:Dictionary = attachments[slotIndex];
return dictionary ? dictionary[name] : null;
}
public function get attachments () : Object {
public function get attachments () : Vector.<Dictionary> {
return _attachments;
}
@ -67,16 +73,21 @@ public class Skin {
/** Attach each attachment in this skin if the corresponding attachment in the old skin is currently attached. */
public function attachAll (skeleton:Skeleton, oldSkin:Skin) : void {
for (var key:String in oldSkin._attachments) {
var colon:int = key.indexOf(":");
var slotIndex:int = parseInt(key.substring(0, colon));
var name:String = key.substring(colon + 1);
var slot:Slot = skeleton.slots[slotIndex];
if (slot.attachment && slot.attachment.name == name) {
var attachment:Attachment = getAttachment(slotIndex, name);
if (attachment != null)
slot.attachment = attachment;
var slotIndex:int = 0;
for each (var slot:Slot in skeleton._slots) {
var slotAttachment:Attachment = slot.attachment;
if (slotAttachment && slotIndex < oldSkin.attachments.length) {
var dictionary:Dictionary = oldSkin.attachments[slotIndex];
for (var name:String in dictionary) {
var skinAttachment:Attachment = dictionary[name];
if (slotAttachment == skinAttachment) {
var attachment:Attachment = getAttachment(slotIndex, name);
if (attachment != null) slot.attachment = attachment;
break;
}
}
}
slotIndex++;
}
}
}