No refresh for deformer.

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On 03/12/2004 at 11:53, xxxxxxxx wrote:

User Information:
Cinema 4D Version:   9 
Platform:   Windows  ;   
Language(s) :     C++  ;

---------
Hi list

I have a problem with a plug that get like a argument a external spline.
The plugin is a standard deformer that use the spline as link to deform object.
When i modify spline points or global matrix , the plugin don't refresh.

Any help?

Thanks
Renato T.

ps. sorry for english, i hope that someone understand what i mean.

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On 05/12/2004 at 03:54, xxxxxxxx wrote:

you have to overload the CheckDirty function. More info in the SDK docs.

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On 05/12/2004 at 04:00, xxxxxxxx wrote:

Katachi,

in SDK i see:
You can overload this function to check for a change in a deformer object manually. This example will make your deformer update every frame.

Can i overload this function to see if a spline is change?

Thanks
Renato T

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On 05/12/2004 at 04:09, xxxxxxxx wrote:

yes, you could use GetDirty() to check if the checksum changed.

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On 05/12/2004 at 04:35, xxxxxxxx wrote:

THANSK! IT WORK!

Cheers
Renato T.

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On 05/12/2004 at 05:26, xxxxxxxx wrote:

good luck with your plugin.

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On 05/12/2004 at 05:40, xxxxxxxx wrote:

Thanks, but there are some little things that i must verify.
With old scene this seem not work, with a fresh scene it's working.

Maybe that i wrong.

void PathDeformer::CheckDirty(PluginObject* op, BaseDocument* doc)
{
     BaseContainer *data = op->GetDataInstance();
     BaseObject *spline=data->GetObjectLink(PATHDEFORMER_SPLINE,doc);
     if (spline)
     {
          if (spline->IsDirty(DIRTY_DATA) )
          {
               //GePrint("Points Changed");
               op->SetDirty(DIRTY_DATA);
          }

if (spline->IsDirty(DIRTY_MATRIX))
          {
               //GePrint("Matrix Changed");
               op->SetDirty(DIRTY_MATRIX);
          }
          else GePrint ("damn!");
     }
}

what do you think?

thanks
Renato T.

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On 05/12/2004 at 06:01, xxxxxxxx wrote:

I wouldn´t do it with isDirty but with GetDirty()!

Create a private member in your object class, sth like:

private:
ULONG s_dirty;

then use something like (pseudo-code) :

ULONG dirty_bit = spline->GetDirty(DIRTY_DATA|DIRTY_MATRIX);  
if(dirty_bit!=s_dirty)  
{  
    s_dirty = dirty_bit;  
    op->SetDirty(DIRTY_MATRIX);   
    /*Or DIRTY_DATA depending on when your deformer updates*/  
}

Katachi

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On 05/12/2004 at 06:23, xxxxxxxx wrote:

Ok, now it work... it will work, must test

Thanks
Renato T.