Change sprite on the fly (programmatically)

semtiko

Hi.
Can i change sprites/images through code (libgdx backend)? If yes - how, if i know only bone name?
Thanks!

Søren

Please take a look at viewtopic.php?f=7&t=2768&p=13484 I think that is what you're looking for. Although you will need to know the name of the slot.

semtiko

Thank you!
You need to say samewhere in manual about "default" skin. I spent many hours to understand how i can work with attachment without skin 😃

skeleton.findSlot("targetSlot").setAttachment(
   skeletonData.findSkin("default").getAttachment(
      skeleton.findSlotIndex("targetSlot"), "targetAttachment"
   )
);

Nate

Does the same:

skeleton.setAttachment("targetSlot", "targetAttachment");

http://esotericsoftware.com/spine-using-runtimes/#Skin

All attachments that are not in a skin in Spine will appear at runtime in a skin named "default". When a skeleton needs to find an attachment by name, it first looks in its skin. If the attachment is not found, then it looks in the default skin.

There's a lot to the runtime documentation, things can get lost in all the information. I would love to write higher level documentation.

semtiko

Thank you very much and sorry for my inattention!

I tried to use simple way as you said, but it looks little bit strange for me. Let me explain.
I have one skin for player. All bones have "skinnable" images except one part. This part just have attached images which i control through code. When i initialize skeleton i call:

skeleton.setSkin("player");

In this case calling "skeleton.setAttachment..." gives me:

Exception in thread "LWJGL Application" java.lang.IllegalArgumentException: Attachment not found: targetImage, for slot: targetSlot
   at com.esotericsoftware.spine.Skeleton.setAttachment(Skeleton.java:257)

If i remove line "skeleton.setSkin("player");" main images doesn't visible (of course), but presumably skin now is "default", but i still have same problem (Attachment not found). If i call "skeleton.setSkin("default");", main images still invisible (of course), but now calling "skeleton.setAttachment" is works.

Nate

Look at Skeleton#getAttachment(int, String), it tries the skin then the default skin.

semtiko

It's only one what worked for me - http://esotericsoftware.com/forum/viewt ... 646#p13646
I tried namy ways to get attachment, but i'm always have null.
Anyway - i've got what i need.
Thank you, guys!

Oh, i found why setAttachment doesn't work for me - i just forgot to remove old test line from my code 😃

skeletonData.setDefaultSkin(skeleton.getSkin());