[Bf-committers] undo-function

[Ton Roosendaal]

Hi,

Unfortunately blender was not designed to have an undo builtin, so  
adding it to the code will mean a major reconstruction at least.
Next to that, there are some facilities in Blender that help you  
overcoming this limitation some. For more experienced Blender users  
'undo' is not the #1 hot topic at the coding-todo list.

-Ton-


On Sunday, May 18, 2003, at 05:40 Europe/Amsterdam, momesana wrote:

> Hi, everybody
> I am just learning how to work with blender (now under windows, but I  
> will check the program under linux in a few days when getting my lfs  
> work right - so everthing said here is corresponding to the  
> win32-version only) and I am very impressed by the many features, the  
> package being so small and this great piece of software being an open  
> source project.
> Nevertheless there are a few things to critisize. Things I had to face  
> the very first hours of working with the program. The first one is  
> that blender crashes everytime you try to open an unsupported  
> fileformat. In contrast to Blender 2.6 does version 2.7 prove to be  
> more stable, but still crashes a lot.
> And it seems that there is no "Undo Function" available in the  
> program. How is this possible??? Every sophisticated application  
> supports this feature. Most of them even allow setting the number of  
> availabe undo's in preferences and more of that kind and so should  
> blender. How comes, Blender does not support this feature??? It should  
> be implemented as soon as possible. I am not a professional programmer  
> but to me it doesn't seem to be such a difficult task. Either you  
> program blender to save a copy (correspondig to the maximum numbers  
> set in preferences) of the file whenever it was changed or you conduct  
> it to save a changelog file that registers every change and allows  
> backward calculation of changes so that less discspace is occupied  
> (drawback: more cpu- and memoryusage).
> Again, I am not a programmer so I don't know much about this but one  
> thing is certain: "Blender needs an undofunction!!!".
> I hope to see this feature soon.
>
> Thanks to the Developers especialy Ton for this great Software,
> momesana
> momesana@yahoo.de
>
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>
------------------------------------------------------------------------ 
--
Ton Roosendaal  Blender Foundation ton@blender.org