Did Update 7.6 Break Something With 3D Animation?

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Mage

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Posted: 10th May 2011 20:37 Edited at: 10th May 2011 20:40

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I updated from 6.3 to 7.6 and now objects in a number of my projects don't animate properly.

1. Anything glued to the objects limbs will float around in 3D space (properly) as if the limbs are animating but the parent object is frozen.

2. It's as if the Objects are becoming "unrigged" from the Bones (Limbs). The limbs are moving, but they are not animating the object.

3. I can literally in the level loading code "Load Object" Then "Loop Object" and do nothing else to it. In game the object is frozen. Anything I glue to it's limbs again just floats around as if the animation is correctly playing.

4. I am using .X Object Files.

5. No code changes. Literal Update from 6.3 to 7.6.

6. I've also noticed that in some extremely rare and erratic situations, Camera Angle and Position can suddenly cause random objects to briefly animate correctly. Object position, even relative to the camera has no predictable bearing. Litterally Looped Objects with no correlation to the camera.

I can't think of a single instance where the Object is supposed to become unrigged from it's limbs. It's as if something in the DBPro isn't updating the object when SYNC'ing.

Any Ideas?

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baxslash

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Posted: 10th May 2011 22:27

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I haven't personally experienced this. Perhaps some sample code could shed light on the problem?

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Mage

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Posted: 10th May 2011 23:22

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That's probably going to take some time. Can't very well post a 1000 lines of code. I'll see what I can do.

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baxslash

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Posted: 10th May 2011 23:36

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Quote: "That's probably going to take some time. Can't very well post a 1000 lines of code. I'll see what I can do."

Just try to replicate a simple version of the code. You may accidentally find the cause anyway.

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Mage

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Posted: 11th May 2011 00:14 Edited at: 11th May 2011 00:36

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Ok looks like the error is extremely easy to reproduce.
I just load 100 of the same object, and like 1/4 don't animate properly.
When you turn the camera, some randomly start animating.

Example Code Posted For Easy Viewing.

Rem Project: AnimationErrorDemo
Rem Created: Tuesday, May 10, 2011
Rem ***** Main Source File *****

`Setup Screen
Set Display Mode 1024, 768, 32
Set Window On
AutoCam Off
Sync On
Sync Rate 0
BackDrop On
Position Camera 0, 0, 10, 0

`Loading Message
Sync
Text 10, 10, "Relax.  This could take a minute."
Sync

`Load Actors
For i = 1 to 100
    Create_Actor(i)
    Position_Actor(i)
Next i

`Handle Scene
Do
    FrameTime = Timer()
    CONTROL CAMERA USING ARROWKEYS 0, 1, 1
    Text 10, 10, "Use Arrow Keys To Move."
    If Abs(FrameTime - Timer()) < 16 Then Sleep Abs(Abs(FrameTime - Timer()) - 16)
    Sync  
loop

`Position Actor Randomly
Function Position_Actor(MyIndex)
    BodyObj = 10000 + MyIndex
    Position Object BodyObj, Rnd(100), 0, Rnd(100)
    Loop Object BodyObj
EndFunction

`Load And Create Actor
Function Create_Actor(MyIndex)
    BodyObj = 10000 + MyIndex
    HeadObj = 20000 + MyIndex
    
    Load Object "Body.X", BodyObj
    Load Object "Head.X", HeadObj
    Glue Object To Limb HeadObj , BodyObj,7 `Glue Head to Body.
    Append Object "Anim.x", BodyObj, 2 `Add Animations to Body.
EndFunction

+ Code Snippet

Rem Project: AnimationErrorDemo
Rem Created: Tuesday, May 10, 2011
Rem ***** Main Source File *****

`Setup Screen
Set Display Mode 1024, 768, 32
Set Window On
AutoCam Off
Sync On
Sync Rate 0
BackDrop On
Position Camera 0, 0, 10, 0

`Loading Message
Sync
Text 10, 10, "Relax.  This could take a minute."
Sync

`Load Actors
For i = 1 to 100
    Create_Actor(i)
    Position_Actor(i)
Next i

`Handle Scene
Do
    FrameTime = Timer()
    CONTROL CAMERA USING ARROWKEYS 0, 1, 1
    Text 10, 10, "Use Arrow Keys To Move."
    If Abs(FrameTime - Timer()) < 16 Then Sleep Abs(Abs(FrameTime - Timer()) - 16)
    Sync  
loop

`Position Actor Randomly
Function Position_Actor(MyIndex)
    BodyObj = 10000 + MyIndex
    Position Object BodyObj, Rnd(100), 0, Rnd(100)
    Loop Object BodyObj
EndFunction

`Load And Create Actor
Function Create_Actor(MyIndex)
    BodyObj = 10000 + MyIndex
    HeadObj = 20000 + MyIndex
    
    Load Object "Body.X", BodyObj
    Load Object "Head.X", HeadObj
    Glue Object To Limb HeadObj , BodyObj,7 `Glue Head to Body.
    Append Object "Anim.x", BodyObj, 2 `Add Animations to Body.
EndFunction

Download Source + Media of Example
http://www.megaupload.com/?d=0JWNHGMU

Edit: Uploaded the Example directly to this forum also.

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Mage

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Posted: 11th May 2011 01:39

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Update: I ran the same executable on another computer, and the problem does not persist. Literally the same exe.

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baxslash

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Posted: 11th May 2011 10:30 Edited at: 11th May 2011 13:07

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Strange, taking a look now.

EDIT: It works just fine here... maybe you should re-try updating DBPro?

I can't think of anything that would cause the animations to stop working on one PC and not another though. I'm not even sure updating again will fix it but it can't hurt since that was the point when it stopped working for you.

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Mage

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Posted: 12th May 2011 00:22 Edited at: 12th May 2011 00:24

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Yes I know. I couldn't believe it when I saw it. It was like 25% of them were simply frozen and when the camera turned and they ended up on the edge of the screen, many frozen objects would miraculously begin to animate, until the camera turned to face them again.

Here's the Situation:

1. I was using SvenB's Image Kit v2. It Wouldn't work, and crashed.

2. Updated DBPRO from 6.3 to 7.6. No Effect. And This Problem started.

3. Updated DirectX from the first DX11 to the current today version of DX11.

4. SvenB's Image Kit v2 now works. But 3D Animation still broken.

5. Updated to DBPRO 7.7 RC7. No Effect.

6. Used another computer, problem not present. (Intel GMA Netbook)

7. Used code compiled with DBPro 6.3, problem not present.

8. Updated nVidia Display Drivers. Problem solved.

So it appears that updating DBPRO broke the 3D animation but the latest display driver solved the problem. I updated the drivers a month ago through Windows Update. However Windows Update gave me a driver from June 2010. I had to go directly to nVidia, and I got a much much newer driver.

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baxslash

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Posted: 12th May 2011 02:02

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OK so it was a graphics driver problem. That makes sense, sort of.

The latest DBP needed an updated driver for your card that's all.

Glad you solved it!

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Mage

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Posted: 12th May 2011 03:46 Edited at: 12th May 2011 03:47

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That's half of it. Windows Update is offering a driver from June 2010 which is too old. I thought I was up to date.

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DarkBASIC Professional Discussion / Did Update 7.6 Break Something With 3D Animation?