Updating Attributes Question

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On 04/01/2010 at 12:56, xxxxxxxx wrote:

Any info on this?    Thanks,

~Shawn

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On 05/01/2010 at 05:38, xxxxxxxx wrote:

Here is the complete code of a simple example of a generator (doing nothing) with a dynamic description similar to what you want. The elements for each dynamic decription group are saved in a respective sub-subcontainer. Please check the comments within the sorce code for more details.

  
/////////////////////////////////////////////////////////////  
// CINEMA 4D SDK                                           //  
/////////////////////////////////////////////////////////////  
// (c) 1989-2004 MAXON Computer GmbH, all rights reserved  //  
/////////////////////////////////////////////////////////////  
  
// generator object example (with no input objects)  
  
#include "c4d.h"  
#include "c4d_symbols.h"  
#include "oroundedtube.h"  
  
  
#define MY_SUBCONTAINER 1024882        //unique ID for the main-subcontaioner  
#define MY_SUBCONTAINER_CNT 1024883    //unique ID for storing the IDs of the sub-subcontainers  
  
  
class RoundedTube : public ObjectData  
{  
  INSTANCEOF(RoundedTube,ObjectData)  
  
  public:  
      virtual Bool Init(GeListNode *node);  
      virtual BaseObject* GetVirtualObjects(PluginObject *op, HierarchyHelp *hh);  
      virtual Bool Message(GeListNode *node, LONG type, void *data);  
      virtual Bool GetDDescription(GeListNode *node, Description *description, LONG &flags);  
  
      static NodeData *Alloc(void) { return gNew RoundedTube; }  
};  
  
Bool RoundedTube::Init(GeListNode *node)  
{  
  BaseContainer *data = ((BaseList2D* )node)->GetDataInstance(); if (!data) return FALSE;  
  
  BaseContainer main;  
  
  data->InsData(MY_SUBCONTAINER, main);        //insert the main-subcontainer  
  data->SetLong(MY_SUBCONTAINER_CNT, 1000);    //store the intial ID for the sub-subcontainers  
  
  return TRUE;  
}  
  
Bool RoundedTube::Message(GeListNode *node, LONG type, void *data)  
{  
  switch (type)  
  {  
      case MSG_DESCRIPTION_COMMAND:  
      {  
          DescriptionCommand *dc = (DescriptionCommand* )data;  
          if (dc->id[0].id == MY_BUTTON)  
          {  
              BaseList2D *op = (BaseList2D* )node;  
              BaseDocument *doc = op->GetDocument(); if (!doc) return FALSE;  
              BaseContainer *bc = ((BaseList2D* )node)->GetDataInstance(); if (!bc) return FALSE;  
              BaseContainer *main  = bc->GetContainerInstance(MY_SUBCONTAINER); if (!main) return FALSE;  
  
              doc->StartUndo();  
  
              BaseContainer object;  
              object.SetLink(MY_LINK, NULL);  
              object.SetReal(MY_VALUE, 0.0);  
  
              doc->AddUndo(UNDO_CHANGE_SMALL, node);  
  
              main->InsData(bc->GetLong(MY_SUBCONTAINER_CNT), object);    //insert the sub-subcontainer  
              bc->SetLong(MY_SUBCONTAINER_CNT, bc->GetLong(MY_SUBCONTAINER_CNT)+1);    //increase the sub-subcontainer ID  
  
              doc->EndUndo();  
          }  
      }  
  }  
  
  return     SUPER::Message(node,type,data);  
}  
  
Bool RoundedTube::GetDDescription(GeListNode *node, Description *description, LONG &flags)  
{  
  if (!description->LoadDescription(node->GetType())) return FALSE;  
  
  // important to check for speedup c4d!  
  const DescID *singleid = description->GetSingleDescID();  
  
  BaseContainer *bc = ((BaseList2D* )node)->GetDataInstance(); if (!bc) return FALSE;  
  BaseContainer *main  = bc->GetContainerInstance(MY_SUBCONTAINER); if (!main) return FALSE;  
  BaseDocument *doc = ((BaseList2D* )node)->GetDocument();  
  
  Bool initbc1 = FALSE;  
  Bool initbc2 = FALSE;  
  Bool initbc3 = FALSE;  
  BaseContainer bc1, bc2, bc3;  
  
  BrowseContainer brw(main);  
  GeData *data = NULL;  
  LONG id;  
  while (brw.GetNext(&id,&data))    //browse through the main-subcontainer  
  {  
      if (data->GetType() != DA_CONTAINER) continue;  
      BaseContainer *object = data->GetContainer(); if (!object) continue;    //get the sub-subcontainer  
  
      //read out the sub-subcontainer and accordingly add the elements to the description  
      //MY_LINK, MY_VALUE and MY_SEPARATOR are defined along with the button ID (MY_BUTTON) in the header file  
  
      DescID cid = DescID(DescLevel(MY_LINK,DTYPE_SUBCONTAINER,0), DescLevel(id,DTYPE_BASELISTLINK,0));  
      if (!singleid || cid.IsPartOf(*singleid,NULL)) // important to check for speedup c4d!  
      {  
          if (!initbc1)  
          {  
              initbc1 = TRUE;  
              bc1 = GetCustomDataTypeDefault(DTYPE_BASELISTLINK);  
              bc1.SetLong(DESC_CUSTOMGUI, CUSTOMGUI_LINKBOX);  
              bc1.SetLong(DESC_ANIMATE, DESC_ANIMATE_ON);  
              bc1.SetBool(DESC_REMOVEABLE, FALSE);  
          }  
          bc1.SetString(DESC_NAME, "Link");  
          bc1.SetString(DESC_SHORT_NAME, "Link");  
          if (!description->SetParameter(cid,bc1,DescLevel(ID_OBJECTPROPERTIES))) return FALSE;  
      }  
  
      cid = DescID(DescLevel(MY_VALUE,DTYPE_SUBCONTAINER,0), DescLevel(id,DTYPE_REAL,0));  
      if (!singleid || cid.IsPartOf(*singleid,NULL)) // important to check for speedup c4d!  
      {  
          if (!initbc2)  
          {  
              initbc2 = TRUE;  
              bc2 = GetCustomDataTypeDefault(DTYPE_REAL);  
              bc2.SetLong(DESC_CUSTOMGUI, CUSTOMGUI_REALSLIDER);  
              bc2.SetReal(DESC_MIN,0.0);  
              bc2.SetReal(DESC_MAX,1.0);  
              bc2.SetReal(DESC_STEP,0.01);  
              bc2.SetLong(DESC_UNIT,DESC_UNIT_PERCENT);  
              bc2.SetLong(DESC_ANIMATE, DESC_ANIMATE_ON);  
              bc2.SetBool(DESC_REMOVEABLE, FALSE);  
          }  
          bc2.SetString(DESC_NAME, "Value");  
          bc2.SetString(DESC_SHORT_NAME, "Value");  
          if (!description->SetParameter(cid,bc2,DescLevel(ID_OBJECTPROPERTIES))) return FALSE;  
      }  
  
      cid = DescID(DescLevel(MY_SEPARATOR,DTYPE_SUBCONTAINER,0), DescLevel(id,DTYPE_SEPARATOR,0));  
      if (!singleid || cid.IsPartOf(*singleid,NULL)) // important to check for speedup c4d!  
      {  
          if (!initbc3)  
          {  
              initbc3 = TRUE;  
              bc3 = GetCustomDataTypeDefault(DTYPE_SEPARATOR);  
              bc3.SetLong(DESC_CUSTOMGUI, CUSTOMGUI_SEPARATOR);  
              bc3.SetBool(DESC_SEPARATORLINE, TRUE);  
              bc3.SetLong(DESC_ANIMATE, DESC_ANIMATE_OFF);  
              bc3.SetBool(DESC_REMOVEABLE, FALSE);  
          }  
          bc3.SetString(DESC_NAME, "");  
          bc3.SetString(DESC_SHORT_NAME, "");  
          if (!description->SetParameter(cid,bc3,DescLevel(ID_OBJECTPROPERTIES))) return FALSE;  
      }  
  }  
  
  flags |= DESCFLAGS_DESC_LOADED;  
  
  return SUPER::GetDDescription(node,description,flags);  
}  
  
BaseObject *RoundedTube::GetVirtualObjects(PluginObject *op, HierarchyHelp *hh)  
{  
  return NULL;  
}  
  
  
// be sure to use a unique ID obtained from www.plugincafe.com  
#define ID_ROUNDEDTUBEOBJECT 1001157  
  
Bool RegisterRoundedTube(void)  
{  
  // decide by name if the plugin shall be registered - just for user convenience  
  String name=GeLoadString(IDS_ROUNDED_TUBE); if (!name.Content()) return TRUE;  
  return RegisterObjectPlugin(ID_ROUNDEDTUBEOBJECT,name,OBJECT_GENERATOR,RoundedTube::Alloc,"Oroundedtube","roundedtube.tif",0);  
}  

hope that helps

cheers,
Matthias

[Helper]

THE POST BELOW IS MORE THAN 5 YEARS OLD. RELATED SUPPORT INFORMATION MIGHT BE OUTDATED OR DEPRECATED

On 17/01/2010 at 17:16, xxxxxxxx wrote:

Thanks for your help Matthias .   I have another question about this.   I am able to add the new dynamic decription elements to my attributes manager,   Now how do I access the data from these new elements?  I would like to be able to draw from the new links and sliders..

THanks,

~Shawn

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THE POST BELOW IS MORE THAN 5 YEARS OLD. RELATED SUPPORT INFORMATION MIGHT BE OUTDATED OR DEPRECATED

On 17/05/2010 at 05:54, xxxxxxxx wrote:

sorry for digging out this old thread.

I'm also using the example above and changed it slightly to fit my puropse. Now I also don't understand where the new values (in my case just the REAL value) are stored and how I can access them?

In GetDDescription I tried: 
object->GetReal(MY_VALUE);  
main->GetReal(MY_VALUE);
bc2.GetReal(MY_VALUE); 
bc->GetReal(MY_VALUE);

a.s.o.

so far it's try and error hoping to get the correct value by chance

Would be nice if someone could help out and explain where the values are stored and how I could access the new REAL value set in the attributes manager.

Thanks.

[Helper]

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On 19/05/2010 at 08:13, xxxxxxxx wrote:

Hey, no one here who could give me a hint? 
I'm not an experienced programmer I'm doing this plugin for a students project and I spent hours trying to figur out this problem. Any help would be appreciated.

What I got so far: 
If I press the Button

in Message () 
I create an new (Sub-Sub-) BaseContainer and insert it in the main SubContainer.

BaseContainer *bc = ((BaseList2D* )node)->GetDataInstance(); if (!bc) return FALSE;
BaseContainer *main  = bc->GetContainerInstance(MY_SUBCONTAINER); if (!main) return FALSE;
BaseContainer object;
object.SetReal(MY_VALUE, 0.0);
main->InsData(bc->GetLong(MY_SUBCONTAINER_CNT), object);    //insert the sub-subcontainer

then in GetDDescription()
the main SubContainer ist fetched and with it a BrowseContainer is created. 
With the BrowseContainer I browse through all the BaseContainer in the main Container and a new BaseContainer (bc2) with the Decription of the Parameters is created and added to the Description.

while (brw.GetNext(&id,&data))    //browse through the main-subcontainer
    {
        if (data->GetType() != DA_CONTAINER) continue;
        BaseContainer *object = data->GetContainer(); if (!object) continue;    //get the sub-subcontainer
  
        //read out the sub-subcontainer and accordingly add the elements to the description
        //MY_LINK, MY_VALUE and MY_SEPARATOR are defined along with the button ID (MY_BUTTON) in the header file
 DescID cid = scID(DescLevel(MY_VALUE,DTYPE_SUBCONTAINER,0), DescLevel(id,DTYPE_REAL,0));
        if (!singleid || cid.IsPartOf(*singleid,NULL)) // important to check for speedup c4d!
        {
            if (!initbc2)
            {
                initbc2 = TRUE;
                bc2 = GetCustomDataTypeDefault(DTYPE_REAL);
                bc2.SetLong(DESC_CUSTOMGUI, CUSTOMGUI_REALSLIDER);
                bc2.SetReal(DESC_MIN,0.0);
                bc2.SetReal(DESC_MAX,1.0);
                bc2.SetReal(DESC_STEP,0.01);
                bc2.SetLong(DESC_UNIT,DESC_UNIT_PERCENT);
                bc2.SetLong(DESC_ANIMATE, DESC_ANIMATE_ON);
                bc2.SetBool(DESC_REMOVEABLE, FALSE);
            }
            bc2.SetString(DESC_NAME, "Value");
            bc2.SetString(DESC_SHORT_NAME, "Value");
            if (!description->SetParameter(cid,bc2,DescLevel(ID_OBJECTPROPERTIES))) return FALSE;
        }

Now I'm able to access the the Values stored in the SubContainer (the DESC_NAME...)

But unfortuntaly I can't get the values I enter in the REAL Box in the C4D Parameter Dialog. It seems that they are not stored in my object Sub-Sub- Container as I would've expected . 
I just can't figure out where there are stored and how I'm able to access them.

Thanks for taking the time.

[Helper]

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On 19/05/2010 at 09:27, xxxxxxxx wrote:

I will look into this tomorrow.

cheers,
Matthias

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On 20/05/2010 at 23:48, xxxxxxxx wrote:

thanks that would be ace.

[Helper]

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On 25/05/2010 at 12:08, xxxxxxxx wrote:

Hi Matthias, did you had the chance to look into it?
I don't want to bug you but I'm really desperate

[Helper]

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On 26/05/2010 at 02:11, xxxxxxxx wrote:

There was some small but important thing missing in my example. You have to overload the SetD/GetDParameter methods because we are storing dynamic elements in sub-containers.

Here is the complete code for a example with dynamic slider elements. In the overloaded GetVirtualObjects method you can see how to read out the values.

  
/////////////////////////////////////////////////////////////  
// CINEMA 4D SDK                                           //  
/////////////////////////////////////////////////////////////  
// (c) 1989-2004 MAXON Computer GmbH, all rights reserved  //  
/////////////////////////////////////////////////////////////  
  
// generator object example (with no input objects)  
  
#include "c4d.h"  
#include "c4d_symbols.h"  
#include "oroundedtube.h"  
  
  
#define MY_SUBCONTAINER 1024882        //unique ID for the main-subcontaioner  
#define MY_SUBCONTAINER_CNT 1024883    //unique ID for storing the IDs of the sub-subcontainers  
  
  
class RoundedTube : public ObjectData  
{  
  INSTANCEOF(RoundedTube,ObjectData)  
  
  public:  
      virtual Bool Init(GeListNode *node);  
      virtual BaseObject* GetVirtualObjects(PluginObject *op, HierarchyHelp *hh);  
      virtual Bool Message(GeListNode *node, LONG type, void *data);  
      virtual Bool GetDDescription(GeListNode *node, Description *description, LONG &flags);  
      virtual Bool GetDParameter(GeListNode *node, const DescID &id, GeData &t_data, LONG &flags);  
      virtual Bool SetDParameter(GeListNode *node, const DescID &id, const GeData &t_data, LONG &flags);  
  
      static NodeData *Alloc(void) { return gNew RoundedTube; }  
};  
  
Bool RoundedTube::Init(GeListNode *node)  
{  
  BaseContainer *data = ((BaseList2D* )node)->GetDataInstance(); if (!data) return FALSE;  
  
  BaseContainer main;  
  
  data->InsData(MY_SUBCONTAINER, main);        //insert the main-subcontainer  
  data->SetLong(MY_SUBCONTAINER_CNT, 1000);    //store the intial ID for the sub-subcontainers  
  
  return TRUE;  
}  
  
Bool RoundedTube::Message(GeListNode *node, LONG type, void *data)  
{  
  switch (type)  
  {  
      case MSG_DESCRIPTION_COMMAND:  
      {  
          DescriptionCommand *dc = (DescriptionCommand* )data;  
          if (dc->id[0].id == MY_BUTTON)  
          {  
              BaseList2D *op = (BaseList2D* )node;  
              BaseDocument *doc = op->GetDocument(); if (!doc) return FALSE;  
              BaseContainer *bc = ((BaseList2D* )node)->GetDataInstance(); if (!bc) return FALSE;  
              BaseContainer *main  = bc->GetContainerInstance(MY_SUBCONTAINER); if (!main) return FALSE;  
  
              doc->StartUndo();  
  
              BaseContainer object;  
              object.SetReal(MY_VALUE, 0.0);  
  
              doc->AddUndo(UNDO_CHANGE_SMALL, node);  
  
              main->InsData(bc->GetLong(MY_SUBCONTAINER_CNT), object);    //insert the sub-subcontainer  
              bc->SetLong(MY_SUBCONTAINER_CNT, bc->GetLong(MY_SUBCONTAINER_CNT)+1);    //increase the sub-subcontainer ID  
  
              doc->EndUndo();  
          }  
      }  
  }  
  
  return SUPER::Message(node,type,data);  
}  
  
Bool RoundedTube::GetDDescription(GeListNode *node, Description *description, LONG &flags)  
{  
  if (!description->LoadDescription(node->GetType())) return FALSE;  
  
  // important to check for speedup c4d!  
  const DescID *singleid = description->GetSingleDescID();  
  
  BaseContainer *bc = ((BaseList2D* )node)->GetDataInstance(); if (!bc) return FALSE;  
  BaseContainer *main  = bc->GetContainerInstance(MY_SUBCONTAINER); if (!main) return FALSE;  
  BaseDocument *doc = ((BaseList2D* )node)->GetDocument();  
  
  Bool initbc1 = FALSE;  
  BaseContainer bc1;  
  
  BrowseContainer brw(main);  
  GeData *data = NULL;  
  LONG id;  
  while (brw.GetNext(&id,&data))    //browse through the main-subcontainer  
  {  
      if (data->GetType() != DA_CONTAINER) continue;  
      BaseContainer *object = data->GetContainer(); if (!object) continue;    //get the sub-subcontainer  
  
      //read out the sub-subcontainer and accordingly add the elements to the description  
      //MY_LINK, MY_VALUE and MY_SEPARATOR are defined along with the button ID (MY_BUTTON) in the header file  
  
      DescID cid = DescID(DescLevel(MY_VALUE,DTYPE_SUBCONTAINER,0), DescLevel(id,DTYPE_REAL,0));  
      if (!singleid || cid.IsPartOf(*singleid,NULL)) // important to check for speedup c4d!  
      {  
          if (!initbc1)  
          {  
              initbc1 = TRUE;  
              bc1 = GetCustomDataTypeDefault(DTYPE_REAL);  
              bc1.SetLong(DESC_CUSTOMGUI, CUSTOMGUI_REALSLIDER);  
              bc1.SetReal(DESC_MIN,0.0);  
              bc1.SetReal(DESC_MAX,1.0);  
              bc1.SetReal(DESC_STEP,0.01);  
              bc1.SetLong(DESC_UNIT,DESC_UNIT_PERCENT);  
              bc1.SetLong(DESC_ANIMATE, DESC_ANIMATE_ON);  
              bc1.SetBool(DESC_REMOVEABLE, FALSE);  
          }  
          bc1.SetString(DESC_NAME, "Value");  
          bc1.SetString(DESC_SHORT_NAME, "Value");  
          if (!description->SetParameter(cid,bc1,DescLevel(ID_OBJECTPROPERTIES))) return FALSE;  
      }  
  }  
  
  flags |= DESCFLAGS_DESC_LOADED;  
  
  return SUPER::GetDDescription(node,description,flags);  
}  
  
static BaseContainer *GetPose(GeListNode *node, LONG id)  
{  
  BaseContainer *bc = ((BaseObject* )node)->GetDataInstance(); if (!bc) return NULL;  
  BaseContainer *main  = bc->GetContainerInstance(MY_SUBCONTAINER); if (!main) return NULL;  
  
  if (main->GetType(id)!=DA_CONTAINER) return NULL;  
  return main->GetContainerInstance(id);  
}  
  
Bool RoundedTube::GetDParameter(GeListNode *node, const DescID &id, GeData &t_data, LONG &flags)  
{  
  BaseContainer *pose=NULL;  
  
  switch (id[0].id)  
  {  
      case MY_VALUE:  
      {  
          pose = GetPose(node,id[1].id); if (!pose) return FALSE;  
          t_data = pose->GetReal(MY_VALUE); flags |= DESCFLAGS_PARAM_GET;  
      }  
      break;  
  }  
  
  return SUPER::GetDParameter(node,id,t_data,flags);  
}  
  
Bool RoundedTube::SetDParameter(GeListNode *node, const DescID &id, const GeData &t_data, LONG &flags)  
{  
  BaseContainer *pose=NULL;  
  
  switch (id[0].id)  
  {  
      case MY_VALUE:  
      {  
          pose = GetPose(node,id[1].id); if (!pose) return FALSE;  
          pose->SetReal(MY_VALUE,t_data.GetReal()); flags |= DESCFLAGS_PARAM_SET;  
      }  
      break;  
  }  
  
  return SUPER::SetDParameter(node,id,t_data,flags);  
}  
  
BaseObject *RoundedTube::GetVirtualObjects(PluginObject *op, HierarchyHelp *hh)  
{  
  BaseContainer *bc = op->GetDataInstance(); if (!bc) return FALSE;  
  BaseContainer *main  = bc->GetContainerInstance(MY_SUBCONTAINER); if (!main) return FALSE;  
  
  BrowseContainer brw(main);  
  GeData *data = NULL;  
  LONG id;  
  while (brw.GetNext(&id,&data))    //browse through the main-subcontainer  
  {  
      if (data->GetType() != DA_CONTAINER) continue;  
      BaseContainer *object = data->GetContainer(); if (!object) continue;    //get the sub-subcontainer  
  
      GePrint("Value "+RealToString(object->GetReal(MY_VALUE)));        //print the value of each dynamic description element  
  }  
  
  return NULL;  
}  
  
  
// be sure to use a unique ID obtained from www.plugincafe.com  
#define ID_ROUNDEDTUBEOBJECT 1001157  
  
Bool RegisterRoundedTube(void)  
{  
  // decide by name if the plugin shall be registered - just for user convenience  
  String name=GeLoadString(IDS_ROUNDED_TUBE); if (!name.Content()) return TRUE;  
  return RegisterObjectPlugin(ID_ROUNDEDTUBEOBJECT,name,OBJECT_GENERATOR,RoundedTube::Alloc,"Oroundedtube","roundedtube.tif",0);  
}  

hope this helps

cheers,
Matthias

[Helper]

THE POST BELOW IS MORE THAN 5 YEARS OLD. RELATED SUPPORT INFORMATION MIGHT BE OUTDATED OR DEPRECATED

On 26/05/2010 at 02:37, xxxxxxxx wrote:

Thank you so much! I just ran the example and it looks very promising  
Now I'm gonna try to apply it to my plugin. You really helped me out here.