BGE Textures and custom class objects #39302

New Issue

Richard R · 2014-03-20T21:47:10+01:00

Richard R commented

2014-03-20 21:47:10 +01:00

System Information
WIndows 7, 2.4ghz celeron cpu, 2gb ram, Geforce 8400GS

Blender Version
2.7

Short description of error
BGE Texture is not seen from a controller's object (which contains the texture) passed to a custom class, which is derived from bge.types.KX_GameObject. I don't know if this is a bug. I assumed that the custom class would inherit all the object's materials, animations, etc. that I would be able to access when creating a custom object. However after a lot of trial and error, the custom class just refuses to see the material on the object that was passed to it.

Why does this matter? I was trying to create a custom object that played a texture animation on its creation, then delete the texture on its destruction. I found that if I create a dictionary that stores the texture on the object, it works and automatically gets cleaned up when the object is destroyed. I have to use a dictionary element instead of a variable, because it wont let me create a variable on a object; though, I can do that on bge.logic. This could be a python issue which I am new to programming with.

Is there a way to play the texture video from the start on each multiple instance of the same object while in the same scene?

Though I am creating a unique variable name which stores the bge texture for each creation of the object, it still uses the same texture to swap out with. Thus, if 2 of the same objects are in the scene, the image is not being treated like a new instance and receives the same texture swap. Thus the video plays the frame from wherever it is instead from the start, because of other instances of the same object in the scene.

**System Information** WIndows 7, 2.4ghz celeron cpu, 2gb ram, Geforce 8400GS **Blender Version** 2.7 **Short description of error** BGE Texture is not seen from a controller's object (which contains the texture) passed to a custom class, which is derived from bge.types.KX_GameObject. I don't know if this is a bug. I assumed that the custom class would inherit all the object's materials, animations, etc. that I would be able to access when creating a custom object. However after a lot of trial and error, the custom class just refuses to see the material on the object that was passed to it. Why does this matter? I was trying to create a custom object that played a texture animation on its creation, then delete the texture on its destruction. I found that if I create a dictionary that stores the texture on the object, it works and automatically gets cleaned up when the object is destroyed. I have to use a dictionary element instead of a variable, because it wont let me create a variable on a object; though, I can do that on bge.logic. This could be a python issue which I am new to programming with. Is there a way to play the texture video from the start on each multiple instance of the same object while in the same scene? Though I am creating a unique variable name which stores the bge texture for each creation of the object, it still uses the same texture to swap out with. Thus, if 2 of the same objects are in the scene, the image is not being treated like a new instance and receives the same texture swap. Thus the video plays the frame from wherever it is instead from the start, because of other instances of the same object in the scene.

Richard R commented

2014-03-20 21:47:10 +01:00

Changed status to: 'Open'

Richard R commented

2014-03-20 21:47:10 +01:00

Added subscriber: @remnar

Angus Hollands commented

2014-04-27 23:00:46 +02:00

Added subscriber: @AngusHollands-4

Angus Hollands commented

2014-04-27 23:00:46 +02:00

The objects share materials, and textures, hence any replacement texture would (I believe) be shared among them. You could try using LibNew to create a new mesh, and see what happens then

Kevin Ednalino commented

2014-04-29 01:03:48 +02:00

Added subscriber: @mahalin

Kevin Ednalino commented

2014-04-29 01:03:48 +02:00

Textures don't work on subclasses of KX_GameObject due to the way BlendType.h checks the class using strings. The problem is tp_name is returning the subclass's name instead of KX_GameObject. I think it would be better if the functionality was similar to KX_GameObject's ConvertPythonToGameObject function, which uses PyObject_TypeCheck (objects) instead of tp_name (strings).

Angus Hollands commented

2014-05-18 23:57:26 +02:00

We should really not be using strings in the engine in this manner, in the same way that we should not be looking up data by name (TODO for any developers)

Inês Almeida commented

2014-05-29 09:42:00 +02:00

Added subscriber: @brita

Inês Almeida commented

2014-05-29 09:42:00 +02:00

@remnar do you have a sample file for this?

Bastien Montagne commented

2014-06-05 11:55:06 +02:00

Changed status from 'Open' to: 'Archived'

Bastien Montagne closed this issue

2014-06-05 11:55:06 +02:00

Bastien Montagne self-assigned this 2014-06-05 11:55:06 +02:00

Bastien Montagne commented

2014-06-05 11:55:06 +02:00

One week without answer, closing.

David Poirier-Quinot commented

2015-09-13 14:24:13 +02:00

Added subscriber: @DavidPoirier-Quinot

David Poirier-Quinot commented

2015-09-13 14:24:13 +02:00

Had the same issue, sample file: inherit-kx_gameObject-matID-issue.blend

Had the same issue, sample file: [inherit-kx_gameObject-matID-issue.blend](https://archive.blender.org/developer/F232989/inherit-kx_gameObject-matID-issue.blend)

Kevin Ednalino commented

2015-09-13 14:27:41 +02:00

Removed subscriber: @mahalin

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BGE Textures and custom class objects #39302