Initializing SplineData CustomGUI

[Helper]

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 RELATED SUPPORT INFORMATION MIGHT BE OUTDATED OR DEPRECATED

On 27/11/2002 at 09:39, xxxxxxxx wrote:

No, I couldn't reproduce this in AtomObject:

    
    
    Bool AtomObject::Init(GeListNode *node)  
    {   
      BaseObject    *op   = (BaseObject* )node;  
      BaseContainer *data = op->GetDataInstance();
    
    
    
    
      AutoAlloc<SplineData> falloffspline;  
      if ( !falloffspline ) return FALSE;
    
    
    
    
      falloffspline->InsertKnot( 0.0, 0.0 );  
      falloffspline->InsertKnot( 1.0, 1.0 );
    
    
    
    
      data->SetData(ATOMOBJECT_SINGLE + 42, GeData(CUSTOMDATATYPE_SPLINE, falloffspline) );
    
    
    
    
      data->SetReal(ATOMOBJECT_SRAD,5.0);  
      data->SetReal(ATOMOBJECT_CRAD,2.0);  
      data->SetLong(ATOMOBJECT_SUB,8);  
      data->SetBool(ATOMOBJECT_SINGLE,FALSE);
    
    
    
    
      return TRUE;  
    }

SetData() returns TRUE, and no not-enough-memory alerts. Anything special about your object?

[Helper]

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 RELATED SUPPORT INFORMATION MIGHT BE OUTDATED OR DEPRECATED

On 27/11/2002 at 14:45, xxxxxxxx wrote:

I cannot get the ATOM object to work without the "Not Enough Memory" error. Can you forward an example to me of your complete ATOM object example that works? That way I can see if it might be a conflict or something?
Best Regards,  darf - bhodiNUT

[Helper]

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 RELATED SUPPORT INFORMATION MIGHT BE OUTDATED OR DEPRECATED

On 27/11/2002 at 22:12, xxxxxxxx wrote:

Well, this is just the standard Atom.cpp with the above changes:

    
    
    /////////////////////////////////////////////////////////////  
    // CINEMA SDK : OBJECT PLUGINS               //  
    /////////////////////////////////////////////////////////////  
    // VERSION    : CINEMA 4D                  //  
    /////////////////////////////////////////////////////////////  
    // (c) 1989-2002 MAXON Computer GmbH, all rights reserved  //  
    /////////////////////////////////////////////////////////////
    
    
    
    
    // this example demonstrates how to implement a generator   
    // with input objects. the first sub-object (including childs)   
    // of the atom is taken as polygonized input. The atom places   
    // a sphere at input points and cylinders at input edges.  
    // depending on the user options one single mesh or several  
    // single objects (hierarchically grouped) are built.
    
    
    
    
    #include "c4d.h"  
    #include "c4d_symbols.h"  
    #include "Oatom.h"
    
    
    
    
    class AtomObject : public ObjectData  
    {  
    INSTANCEOF(AtomObject, ObjectData);
    
    
    
    
     public:  
      virtual Bool Init(GeListNode *node);
    
    
    
    
      virtual BaseObject* GetVirtualObjects(PluginObject *op, HierarchyHelp *hh);  
      virtual Bool Message(GeListNode *node, LONG type, void *t_data);
    
    
    
    
      
    Bool GetDParameter(GeListNode *node, const DescID &id,GeData &t_data,LONG &flags)  
    {  
     switch(id[0].id)  
     {  
     case ATOMOBJECT_PREVIEW:   
      {  
       PluginMaterial *mat = (PluginMaterial* )node;
    
    
    
    
       LONG dirty = 0;  
       BitmapButtonStruct bbs(static_cast<PluginObject*>(node), id, dirty);   
       t_data = GeData(CUSTOMDATATYPE_BITMAPBUTTON,bbs);   
       flags |= DESCFLAGS_PARAM_GET;   
       break;   
      }  
     }  
         
     return SUPER::GetDParameter(node, id, t_data, flags);  
    }
    
    
    
    
      
    Bool SetDParameter(GeListNode *node, const DescID &id, const GeData &t_data, LONG &flags)  
    {  
     switch(id[0].id)  
     {  
     case ATOMOBJECT_PREVIEW:   
      flags |= DESCFLAGS_PARAM_SET;   
      break;  
     }  
       
     return SUPER::SetDParameter(node, id, t_data, flags);  
    }
    
    
    
    
      static NodeData *Alloc(void) { return gNew AtomObject; }  
    };
    
    
    
    
    // initialize settings  
    Bool AtomObject::Init(GeListNode *node)  
    {   
      BaseObject    *op   = (BaseObject* )node;  
      BaseContainer *data = op->GetDataInstance();
    
    
    
    
      AutoAlloc<SplineData> falloffspline;  
      if ( !falloffspline ) return FALSE;
    
    
    
    
      falloffspline->InsertKnot( 0.0, 0.0 );  
      falloffspline->InsertKnot( 1.0, 1.0 );
    
    
    
    
      data->SetData(ATOMOBJECT_SINGLE + 42, GeData(CUSTOMDATATYPE_SPLINE, falloffspline) );
    
    
    
    
      data->SetReal(ATOMOBJECT_SRAD,5.0);  
      data->SetReal(ATOMOBJECT_CRAD,2.0);  
      data->SetLong(ATOMOBJECT_SUB,8);  
      data->SetBool(ATOMOBJECT_SINGLE,FALSE);
    
    
    
    
      return TRUE;  
    }
    
    
    
    
    Bool AtomObject::Message(GeListNode *node, LONG type, void *t_data)  
    {  
     if (type==MSG_DESCRIPTION_VALIDATE)  
     {  
      BaseContainer *data = ((BaseObject* )node)->GetDataInstance();  
      CutReal(*data,ATOMOBJECT_CRAD,0.0,data->GetReal(ATOMOBJECT_SRAD));  
     }  
     if (type == MSG_DESCRIPTION_GETBITMAP)  
     {  
      DescriptionGetBitmap* dgb = static_cast<DescriptionGetBitmap*>(t_data);  
      if (dgb->id[0] == ATOMOBJECT_PREVIEW)  
      {  
       AutoAlloc<BaseBitmap> bm;  
       bm->Init(50, 50);  
       bm->SetPen(12, 34, 56);  
       bm->Line(0, 0, 49, 49);  
       dgb->bmp = bm.Release();  
      }  
     }  
     return TRUE;  
    }
    
    
    
    
    // build a rectangular matrix system with a given normal  
    static void RectangularSystem(const Vector &n, Vector *v1, Vector *v2)  
    {  
     *v2 = Vector(n.y,n.z,n.x);  
     *v1 = !((*v2)%n);  
     *v2 = !(n%(*v1));  
    }
    
    
    
    
    // build a single polygonal atom object  
    static PolygonObject *BuildPolyHull(PolygonObject *op, const Matrix &ml, Real srad, Real crad, LONG sub,   
                      Real lod, Neighbor *n, BaseThread *bt)  
    {  
     BaseContainer bc,cc;  
     LONG     spcnt,svcnt,cpcnt,cvcnt,poff,voff,i,j,a,b,side;  
     Vector   *spadr=NULL,*cpadr=NULL,*rpadr=NULL,off,pa,pb;  
     Polygon  *svadr=NULL,*cvadr=NULL,*rvadr=NULL;  
     UVWTag   *suvw =NULL,*cuvw =NULL,*ruvw =NULL;  
     Vector   *padr = op->GetPoint();  
     Polygon  *vadr = op->GetPolygon();  
     LONG     pcnt  = op->GetPointCount();  
     LONG   vcnt  = op->GetPolygonCount();  
     PolyInfo *pli  = NULL;  
     Bool     ok=FALSE;  
     Matrix   m;
    
    
    
    
     // set sphere default values  
     bc.SetReal(PRIM_SPHERE_RAD,srad);  
     bc.SetReal(PRIM_SPHERE_SUB,sub);
    
    
    
    
     // set cylinder default values (cylinders are a special case of cone objects)  
     cc.SetReal(PRIM_CYLINDER_RADIUS,crad);  
     cc.SetReal(PRIM_CYLINDER_HEIGHT,1.0);  
     cc.SetLong(PRIM_CYLINDER_CAPS,FALSE);  
     cc.SetLong(PRIM_CYLINDER_HSUB,1);  
     cc.SetLong(PRIM_CYLINDER_SEG,sub);  
     cc.SetReal(PRIM_AXIS,4);
    
    
    
    
     // generate both primitives  
     PolygonObject *sphere=(PolygonObject* )GeneratePrimitive(NULL,Osphere,bc,lod,FALSE,bt),*pp=NULL;  
     PolygonObject *cyl=(PolygonObject* )GeneratePrimitive(NULL,Ocylinder,cc,lod,FALSE,bt);  
     if (!sphere || !cyl) goto Error;
    
    
    
    
     spcnt = sphere->GetPointCount();  
     svcnt = sphere->GetPolygonCount();  
     spadr = sphere->GetPoint();  
     svadr = sphere->GetPolygon();  
     suvw  = (UVWTag* )sphere->GetTag(Tuvw);
    
    
    
    
     cpcnt = cyl->GetPointCount();  
     cvcnt = cyl->GetPolygonCount();  
     cpadr = cyl->GetPoint();  
     cvadr = cyl->GetPolygon();  
     cuvw  = (UVWTag* )cyl->GetTag(Tuvw);
    
    
    
    
     // allocate main object  
     pp=PolygonObject::Alloc(spcnt*pcnt+cpcnt*n->GetEdgeCount(),svcnt*pcnt+cvcnt*n->GetEdgeCount());  
     if (!pp) goto Error;  
       
     // add phong tag  
     if (!pp->MakeTag(Tphong)) goto Error;  
       
     // add UVW tag  
     ruvw=(UVWTag* )pp->MakeVariableTag(Tuvw,pp->GetPolygonCount());  
     if (!ruvw) goto Error;  
       
     // copy sphere geometry for each point  
     rpadr = pp->GetPoint();  
     rvadr = pp->GetPolygon();  
     poff  = 0;  
     voff  = 0;
    
    
    
    
     for (i=0; i<pcnt; i++)  
     {  
      // test every 256th time if there has been a user break, delete object in this case  
      if (!(i&255) && bt && bt->TestBreak()) goto Error;
    
    
    
    
      off=padr[i]*ml;  
      for (j=0; j<spcnt; j++)  
       rpadr[poff+j] = off + spadr[j];
    
    
    
    
      for (j=0; j<svcnt; j++)  
      {  
       rvadr[voff+j] = Polygon(svadr[j].a+poff,svadr[j].b+poff,svadr[j].c+poff,svadr[j].d+poff);  
       ruvw->Cpy(voff+j,suvw,j);  
      }
    
    
    
    
      poff+=spcnt;  
      voff+=svcnt;  
     }
    
    
    
    
     // copy cylinder geometry for each edge  
     for (i=0; i<vcnt; i++)  
     {  
      pli = n->GetPolyInfo(i);
    
    
    
    
      // test every 256th time if there has been a user break, delete object in this case  
      if (!(i&255) && bt && bt->TestBreak()) goto Error;
    
    
    
    
      for (side=0; side<4; side++)  
      {  
       // only proceed if edge has not already been processed  
       // and edge really exists (for triangles side 2 from c..d does not exist as c==d)  
       if (pli->mark[side] || side==2 && vadr[i].c==vadr[i].d) continue;
    
    
    
    
       switch (side)  
       {  
        case 0: a=vadr[i].a; b=vadr[i].b; break;  
        case 1: a=vadr[i].b; b=vadr[i].c; break;  
        case 2: a=vadr[i].c; b=vadr[i].d; break;  
        case 3: a=vadr[i].d; b=vadr[i].a; break;  
       }
    
    
    
    
       // build edge matrix  
       pa = padr[a]*ml;  
       pb = padr[b]*ml;
    
    
    
    
       m.off=(pa+pb)*0.5;  
       RectangularSystem(!(pb-pa),&m.v1,&m.v2);  
       m.v3=pb-pa;
    
    
    
    
       for (j=0; j<cpcnt; j++)  
        rpadr[poff+j] = cpadr[j]*m;
    
    
    
    
       for (j=0; j<cvcnt; j++)  
       {  
        rvadr[voff+j] = Polygon(cvadr[j].a+poff,cvadr[j].b+poff,cvadr[j].c+poff,cvadr[j].d+poff);  
        ruvw->Cpy(voff+j,cuvw,j);  
       }
    
    
    
    
       poff+=cpcnt;  
       voff+=cvcnt;  
      }  
     }
    
    
    
    
     // update object as point geometry has changed  
     pp->Message(MSG_UPDATE);
    
    
    
    
     ok=TRUE;  
    Error:  
     blDelete(sphere);  
     blDelete(cyl);
    
    
    
    
     if (!ok) blDelete(pp);  
     return pp;  
    }
    
    
    
    
    // build a single isoparm atom object  
    static LineObject *BuildIsoHull(PolygonObject *op, const Matrix &ml, Real srad, Real crad, LONG sub,   
                    Real lod, Neighbor *n, BaseThread *bt)  
    {  
     LONG     poff,soff,i,j,a,b,side;  
     Vector   *rpadr=NULL,off,pa,pb;  
     Segment  *rsadr=NULL;  
     Vector   *padr = op->GetPoint();  
     Polygon  *vadr = op->GetPolygon();  
     LONG   vcnt  = op->GetPolygonCount();  
     PolyInfo *pli  = NULL;  
     Matrix   m;  
     Vector   p[8];
    
    
    
    
     // allocate isoparm object  
     LineObject *pp=LineObject::Alloc(8*n->GetEdgeCount(),4*n->GetEdgeCount());  
     if (!pp) return NULL;  
       
     rpadr = pp->GetPoint();  
     rsadr = pp->GetSegment();  
     poff  = 0;  
     soff  = 0;
    
    
    
    
     p[0]=Vector(-crad,  0.0,-0.5);   
     p[1]=Vector(-crad,  0.0, 0.5);   
     p[2]=Vector( crad,  0.0,-0.5);   
     p[3]=Vector( crad,  0.0, 0.5);   
     p[4]=Vector(  0.0,-crad,-0.5);   
     p[5]=Vector(  0.0,-crad, 0.5);   
     p[6]=Vector(  0.0, crad,-0.5);  
     p[7]=Vector(  0.0, crad, 0.5);
    
    
    
    
     for (i=0; i<vcnt; i++)  
     {  
      // test every 256th time if there has been a user break, delete object in this case  
      if (!(i&255) && bt && bt->TestBreak())   
      {  
       blDelete(pp);  
       return NULL;  
      }
    
    
    
    
      pli = n->GetPolyInfo(i);
    
    
    
    
      for (side=0; side<4; side++)  
      {  
       // only proceed if edge has not already been processed  
       // and edge really exists (for triangles side 2 from c..d does not exist as c==d)  
       if (pli->mark[side] || side==2 && vadr[i].c==vadr[i].d) continue;
    
    
    
    
       switch (side)  
       {  
        case 0: a=vadr[i].a; b=vadr[i].b; break;  
        case 1: a=vadr[i].b; b=vadr[i].c; break;  
        case 2: a=vadr[i].c; b=vadr[i].d; break;  
        case 3: a=vadr[i].d; b=vadr[i].a; break;  
       }
    
    
    
    
       // build edge matrix  
       pa = padr[a]*ml;  
       pb = padr[b]*ml;
    
    
    
    
       m.off=(pa+pb)*0.5;  
       RectangularSystem(!(pb-pa),&m.v1,&m.v2);  
       m.v3=pb-pa;
    
    
    
    
       for (j=0; j<8; j++)  
        rpadr[poff+j] = p[j]*m;
    
    
    
    
       for (j=0; j<4; j++)  
       {  
        rsadr[soff+j].closed = FALSE;  
        rsadr[soff+j].cnt    = 2;  
       }
    
    
    
    
       poff+=8;  
       soff+=4;  
      }  
     }
    
    
    
    
     // update object as point geometry has changed  
     pp->Message(MSG_UPDATE);
    
    
    
    
     return pp;  
    }
    
    
    
    
    // go through every (child) object  
    static Bool Recurse(HierarchyHelp *hh, BaseThread *bt, BaseObject *main, BaseObject *op, const Matrix &ml, Real srad, Real crad, LONG sub, Bool single)  
    {  
     // test if input object if polygonal  
     if (op->GetType()==Opolygon)  
     {  
      BaseObject *tp   = NULL;  
      PolyInfo  *pli  = NULL;  
      Vector     *padr = ToPoly(op)->GetPoint(),pa,pb;  
      LONG       pcnt  = ToPoly(op)->GetPointCount(),i,side,a,b;  
      Polygon   *vadr = ToPoly(op)->GetPolygon();  
      LONG       vcnt  = ToPoly(op)->GetPolygonCount();  
      Matrix     m;  
      Neighbor  n;  
        
      // load names from resource  
      String   pstr = GeLoadString(IDS_ATOM_POINT);  
      String   estr = GeLoadString(IDS_ATOM_EDGE);
    
    
    
    
      // initialize neighbor class  
      if (!n.Init(pcnt,vadr,vcnt,NULL)) return FALSE;
    
    
    
    
      // create separate objects   
      // if this option is enabled no polygonal geometry is build - more parametric objects  
      // are returned instead  
      if (single)  
      {  
       for (i=0; i<pcnt; i++)  
       {  
        // alloc sphere primitive  
        tp=BaseObject::Alloc(Osphere);  
        if (!tp) return FALSE;  
          
        // add phong tag  
        if (!tp->MakeTag(Tphong)) return FALSE;  
        tp->SetName(pstr+" "+LongToString(i));
    
    
    
    
        // set object parameters  
        BaseContainer *bc = tp->GetDataInstance();  
        bc->SetReal(PRIM_SPHERE_RAD,srad);  
        bc->SetReal(PRIM_SPHERE_SUB,sub);
    
    
    
    
        // insert as last object under main  
        tp->InsertUnderLast(main);
    
    
    
    
        // set position in local coordinates  
        tp->SetPos(padr[i]*ml);  
       }
    
    
    
    
       for (i=0; i<vcnt; i++)  
       {  
        // get polygon info for i-th polygon   
        pli = n.GetPolyInfo(i);
    
    
    
    
        for (side=0; side<4; side++)  
        {  
         // only proceed if edge has not already been processed  
         // and edge really exists (for triangles side 2 from c..d does not exist as c==d)  
         if (pli->mark[side] || side==2 && vadr[i].c==vadr[i].d) continue;
    
    
    
    
         // alloc cylinder primitive  
         tp=BaseObject::Alloc(Ocylinder);  
         if (!tp) return FALSE;
    
    
    
    
         // add phong tag  
         if (!tp->MakeTag(Tphong)) return FALSE;
    
    
    
    
         switch (side)  
         {  
          case 0: a=vadr[i].a; b=vadr[i].b; break;  
          case 1: a=vadr[i].b; b=vadr[i].c; break;  
          case 2: a=vadr[i].c; b=vadr[i].d; break;  
          case 3: a=vadr[i].d; b=vadr[i].a; break;  
         }
    
    
    
    
         tp->SetName(estr+" "+LongToString(pli->edge[side]));
    
    
    
    
         pa = padr[a]*ml;  
         pb = padr[b]*ml;
    
    
    
    
         // set object parameters  
         BaseContainer *bc = tp->GetDataInstance();  
         bc->SetReal(PRIM_CYLINDER_RADIUS,crad);  
         bc->SetReal(PRIM_CYLINDER_HEIGHT,Len(pb-pa));  
         bc->SetReal(PRIM_AXIS,4);  
         bc->SetLong(PRIM_CYLINDER_CAPS,FALSE);  
         bc->SetLong(PRIM_CYLINDER_HSUB,1);  
         bc->SetLong(PRIM_CYLINDER_SEG,sub);
    
    
    
    
         // place cylinder at edge center  
         tp->SetPos((pa+pb)*0.5);
    
    
    
    
         // build edge matrix  
         m.v3=!(pb-pa);  
         RectangularSystem(m.v3,&m.v1,&m.v2);  
         tp->SetRot(MatrixToHPB(m));
    
    
    
    
         // insert as last object under main  
         tp->InsertUnderLast(main);  
        }  
       }  
      }  
      else  
      {  
       // check if polygonal geometry has to be built  
       if (hh->GetVFlags()&VFLAG_POLYGONAL)  
        tp = BuildPolyHull(ToPoly(op),ml,srad,crad,sub,hh->GetLOD(),&n,bt);  
       else  
        tp = PolygonObject::Alloc(0,0);
    
    
    
    
       if (tp)  
       {  
        tp->SetName(op->GetName());  
        tp->InsertUnderLast(main);  
          
        // check if isoparm geometry has to be built  
        if (hh->GetVFlags()&VFLAG_ISOPARM)  
        {  
         LineObject *ip = BuildIsoHull(ToPoly(op),ml,srad,crad,sub,hh->GetLOD(),&n,bt);  
           
         // isoparm always needs to be set into a polygon object  
         if (ip) tp->SetIsoparm(ip);  
        }  
       }  
      }  
     }
    
    
    
    
     for (op=op->GetDown(); op; op=op->GetNext())  
      if (!Recurse(hh,bt,main,op,ml*op->GetMl(),srad,crad,sub,single)) return FALSE;
    
    
    
    
     // check for user break  
     return !bt || !bt->TestBreak();  
    }
    
    
    
    
    // main routine: build virtual atom objects  
    BaseObject *AtomObject::GetVirtualObjects(PluginObject *op, HierarchyHelp *hh)  
    {  
     BaseObject *orig = op->GetDown();   
       
     // return if no input object is available  
     if (!orig) return NULL; 
    
    
    
    
     // request polygonized input  
     hh->AddVFlags(VFLAG_POLYGONAL);   
       
     Bool dirty = FALSE;
    
    
    
    
     // generate polygonalized clone of input object  
     BaseObject *main=NULL,*res=op->GetAndCheckHierarchyClone(hh,orig,HCLONE_ASPOLY,&dirty,FALSE,NULL); 
    
    
    
    
     // if !dirty object is already cached and doesn't need to be rebuilt  
     if (!dirty) return res;   
     if (!res)   return NULL; 
    
    
    
    
     LONG sub;  
     Bool single;  
     Real srad,crad;  
       
     // get object container  
     BaseContainer *bc=op->GetDataInstance();   
     BaseThread    *bt=hh->GetThread();
    
    
    
    
     // group all further objects with this null object  
     main = BaseObject::Alloc(Onull);   
     if (!main) goto Error;
    
    
    
    
     // get object settings  
     srad   = bc->GetReal(ATOMOBJECT_SRAD);  
     crad   = bc->GetReal(ATOMOBJECT_CRAD);  
     sub    = bc->GetLong(ATOMOBJECT_SUB);  
     single = bc->GetBool(ATOMOBJECT_SINGLE);
    
    
    
    
     // go through all child hierarchies  
     if (!Recurse(hh,bt,main,res,orig->GetMl(),srad,crad,sub,single)) goto Error;  
     blDelete(res);
    
    
    
    
     return main;
    
    
    
    
    Error:  
     blDelete(res);  
     blDelete(main);  
     return NULL;  
    }
    
    
    
    
    // be sure to use a unique ID obtained from [www.plugincafe.com](http://www.plugincafe.com)  
    #define ID_ATOMOBJECT 1001153
    
    
    
    
    Bool RegisterAtomObject(void)  
    {  
     // decide by name if the plugin shall be registered - just for user convenience  
     String name=GeLoadString(IDS_ATOM); if (!name.Content()) return TRUE;  
     return RegisterObjectPlugin(ID_ATOMOBJECT,name,OBJECT_GENERATOR|OBJECT_INPUT,AtomObject::Alloc,"Oatom","atom.tif","atom_small.tif",0);  
    }  
    

[Helper]

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

On 28/11/2002 at 08:43, xxxxxxxx wrote:

I cannot find ATOMOBJECT_PREVIEW in any of the downloadable SDK atom object source or description files. While I would be very interested in that, the obejct still returns a memory error. I am on a Win2000 box with 512mg ram. Can you possibly send the SDK files you created this source for? Still really interested in the ATOMOBJECT_PREVIEW!
 
darf - bhodiNUT

[Helper]

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

On 28/11/2002 at 09:26, xxxxxxxx wrote:

Hey, it's you guys forcing me to always mess up my SDK folder with stupid tests...
Please forget ATOMOBJECT_PREVIEW (it's from another forum post showing how to use the bitmap button for previews). Here's a pristine version of RoundedTube.cpp with the spline code in Init() :

    
    
    /////////////////////////////////////////////////////////////  
    // CINEMA SDK : OBJECT PLUGINS                             //  
    /////////////////////////////////////////////////////////////  
    // VERSION    : CINEMA 4D                                  //  
    /////////////////////////////////////////////////////////////  
    // (c) 1989-2002 MAXON Computer GmbH, all rights reserved  //  
    /////////////////////////////////////////////////////////////
    
    
    
    
    // generator object example (with no input objects)
    
    
    
    
    #include "c4d.h"  
    #include "c4d_symbols.h"  
    #include "Oroundedtube.h"
    
    
    
    
    class RoundedTube : public ObjectData  
    {  
      public:  
        String test;
    
    
    
    
        virtual Bool Init   (GeListNode *node);  
        virtual Bool Read   (GeListNode *node, HyperFile *hf, LONG level);  
        virtual Bool Write  (GeListNode *node, HyperFile *hf);
    
    
    
    
        virtual void GetDimension   (PluginObject *op, Vector *mp, Vector *rad);  
        virtual Bool Draw           (PluginObject *op, LONG type, BaseDraw *bd, BaseDrawHelp *bh);  
        virtual LONG DetectHandle   (PluginObject *op, BaseDraw *bd, LONG x, LONG y, LONG qualifier);  
        virtual Bool MoveHandle     (PluginObject *op, PluginObject *undo, const Matrix &tm, LONG hit_id, LONG qualifier);  
        virtual BaseObject* GetVirtualObjects(PluginObject *op, HierarchyHelp *hh);  
        virtual Bool Message(GeListNode *node, LONG type, void *t_data);
    
    
    
    
        static NodeData *Alloc(void) { return gNew RoundedTube; }  
    };
    
    
    
    
    Bool RoundedTube::Message(GeListNode *node, LONG type, void *t_data)  
    {  
      if (type==MSG_DESCRIPTION_VALIDATE)  
      {  
        BaseContainer *data = ((BaseObject* )node)->GetDataInstance();
    
    
    
    
        CutReal(*data,TUBEOBJECT_IRADX,0.0,data->GetReal(TUBEOBJECT_RAD));  
        CutReal(*data,TUBEOBJECT_ROUNDRAD,0.0,data->GetReal(TUBEOBJECT_IRADX));  
      }  
      else if (type==MSG_MENUPREPARE)  
      {  
        ((BaseObject* )node)->SetPhong(TRUE,FALSE,0.0);  
      }  
      return TRUE;  
    }
    
    
    
    
    void RoundedTube::GetDimension(PluginObject *op, Vector *mp, Vector *rad)  
    {  
      BaseContainer *data = op->GetDataInstance();   
        
      Real rado,radx,rady;  
      rado = data->GetReal(TUBEOBJECT_RAD);  
      radx = data->GetReal(TUBEOBJECT_IRADX);  
      rady = data->GetReal(TUBEOBJECT_IRADY);
    
    
    
    
      *mp =0.0;  
      switch (data->GetLong(PRIM_AXIS))  
      {  
        case 0: case 1: *rad=Vector(rady,rado+radx,rado+radx); break;  
        case 2: case 3: *rad=Vector(rado+radx,rady,rado+radx); break;  
        case 4: case 5: *rad=Vector(rado+radx,rado+radx,rady); break;  
      }  
    }
    
    
    
    
    static BaseObject *GenerateLathe(Vector *cpadr, LONG cpcnt, LONG sub, BaseThread *bt)  
    {  
      PolygonObject *op=NULL;  
      UVWStruct     us;  
      UVWTag        *tag =NULL;  
      Vector        *padr=NULL;  
      Polygon       *vadr=NULL;  
      LONG          i,j,pcnt,vcnt,a,b,c,d;  
      Real          len=0.0,sn,cs,v1,v2,*uvadr=NULL;
    
    
    
    
      pcnt = cpcnt*sub;  
      vcnt = cpcnt*sub;
    
    
    
    
      op=PolygonObject::Alloc(pcnt,vcnt);   
      if (!op) goto Error;
    
    
    
    
      tag = (UVWTag* )op->MakeVariableTag(Tuvw,vcnt);   
      if (!tag) goto Error;
    
    
    
    
      padr=op->GetPoint();  
      vadr=op->GetPolygon();
    
    
    
    
      uvadr = (Real* ) GeAlloc(sizeof(Real)*(cpcnt+1));  
      if (!uvadr) goto Error;
    
    
    
    
      uvadr[0]=0.0;  
      for (i=0; i<cpcnt; i++)  
      {  
        uvadr[i] = len;  
        len+=Len(cpadr[(i+1)%cpcnt]-cpadr[i]);  
      }
    
    
    
    
      if (len>0.0) len=1.0/len;  
      for (i=0; i<cpcnt; i++)  
        uvadr[i]*=len;
    
    
    
    
      uvadr[cpcnt]=1.0;
    
    
    
    
      vcnt=0;  
      for (i=0; i<sub; i++)  
      {  
        SinCos(pi2*Real(i)/Real(sub),sn,cs);
    
    
    
    
        v1=Real(i  )/Real(sub);  
        v2=Real(i+1)/Real(sub);
    
    
    
    
        if (bt && bt->TestBreak()) goto Error;
    
    
    
    
        for (j=0; j<cpcnt; j++)  
        {  
          a = cpcnt*i+j;  
          padr[a] = Vector(cpadr[j].x*cs,cpadr[j].y,cpadr[j].x*sn);
    
    
    
    
          if (i<sub)  
          {  
            b = cpcnt*i          +((j+1)%cpcnt);  
            c = cpcnt*((i+1)%sub)+((j+1)%cpcnt);  
            d = cpcnt*((i+1)%sub)+j;  
              
            us = UVWStruct(Vector(v1,1.0-uvadr[j],0.0),Vector(v1,1.0-uvadr[j+1],0.0),Vector(v2,1.0-uvadr[j+1],0.0),Vector(v2,1.0-uvadr[j],0.0));  
            tag->Set(vcnt,us);
    
    
    
    
            vadr[vcnt++] = Polygon(a,b,c,d);  
          }  
        }  
      }
    
    
    
    
      GeFree(uvadr);
    
    
    
    
      op->Message(MSG_UPDATE);  
      op->SetPhong(TRUE,TRUE,Rad(80.0));  
      return op;
    
    
    
    
    Error:  
      GeFree(uvadr);  
      blDelete(op);  
      return NULL;  
    }
    
    
    
    
    static LineObject *GenerateIsoLathe(Vector *cpadr, LONG cpcnt, LONG sub)  
    {  
      LONG i;
    
    
    
    
      LineObject *op = LineObject::Alloc(cpcnt*4+sub*4,8); if (!op) return NULL;  
      Segment *sadr = op->GetSegment();  
      Vector  *padr=op->GetPoint();
    
    
    
    
      for (i=0; i<4; i++)  
      {  
        sadr[i].cnt    = cpcnt;  
        sadr[i].closed = TRUE;  
      }  
      for (i=0; i<4; i++)  
      {  
        sadr[4+i].cnt    = sub;  
        sadr[4+i].closed = TRUE;  
      }
    
    
    
    
      Real  sn,cs;  
      LONG  j;
    
    
    
    
      for (i=0; i<4; i++)  
      {  
        SinCos(Real(i)*pi05,sn,cs);  
        for (j=0; j<cpcnt; j++)  
          padr[i*cpcnt+j] = Vector(cpadr[j].x*cs,cpadr[j].y,cpadr[j].x*sn);  
      }
    
    
    
    
      for (i=0; i<sub; i++)  
      {  
        SinCos(Real(i)/sub*pi2,sn,cs);  
        for (j=0; j<4; j++)  
          padr[4*cpcnt+j*sub+i] = Vector(cpadr[cpcnt/4*j].x*cs,cpadr[cpcnt/4*j].y,cpadr[cpcnt/4*j].x*sn);  
      }
    
    
    
    
      op->Message(MSG_UPDATE);  
      return op;  
    }
    
    
    
    
    Bool RoundedTube::Init(GeListNode *node)  
    {   
      test = String("Test");
    
    
    
    
      BaseObject    *op   = (BaseObject* )node;  
      BaseContainer *data = op->GetDataInstance();
    
    
    
    
       AutoAlloc<SplineData> falloffspline;  
      if ( !falloffspline ) return FALSE;
    
    
    
    
      falloffspline->InsertKnot( 0.0, 0.0 );  
      falloffspline->InsertKnot( 1.0, 1.0 );
    
    
    
    
      data->SetData(TUBEOBJECT_SEG + 42, GeData(CUSTOMDATATYPE_SPLINE, falloffspline) );
    
    
    
    
      data->SetReal(TUBEOBJECT_RAD,200.0);  
      data->SetReal(TUBEOBJECT_IRADX,50.0);  
      data->SetReal(TUBEOBJECT_IRADY,50.0);  
      data->SetLong(TUBEOBJECT_SUB,1);  
      data->SetLong(TUBEOBJECT_ROUNDSUB,8);  
      data->SetReal(TUBEOBJECT_ROUNDRAD,10.0);  
      data->SetLong(TUBEOBJECT_SEG,36);  
      data->SetLong(PRIM_AXIS,PRIM_AXIS_YP);
    
    
    
    
      return TRUE;  
    }
    
    
    
    
    Bool RoundedTube::Read(GeListNode *node, HyperFile *hf, LONG level)  
    {  
      if (level>=0)  
      {  
        hf->ReadString(&test);  
      }  
      return TRUE;  
    }
    
    
    
    
    Bool RoundedTube::Write(GeListNode *node, HyperFile *hf)  
    {  
      hf->WriteString(test);  
      return TRUE;  
    }
    
    
    
    
    static void SetAxis(BaseObject *obj, LONG axis)  
    {  
      PointObject *op = ToPoint(obj);  
      if (axis==2) return;
    
    
    
    
      Vector  *padr = op->GetPoint();  
      LONG    pcnt  = op->GetPointCount(),i;
    
    
    
    
      switch (axis)  
      {  
        case 0: // +X  
          for (i=0; i<pcnt; i++)  
            padr[i] = Vector(padr[i].y,-padr[i].x,padr[i].z);  
          break;
    
    
    
    
        case 1: // -X  
          for (i=0; i<pcnt; i++)  
            padr[i] = Vector(-padr[i].y,padr[i].x,padr[i].z);  
          break;
    
    
    
    
        case 3: // -Y  
          for (i=0; i<pcnt; i++)  
            padr[i] = Vector(-padr[i].x,-padr[i].y,padr[i].z);  
          break;
    
    
    
    
        case 4: // +Z  
          for (i=0; i<pcnt; i++)  
            padr[i] = Vector(padr[i].x,-padr[i].z,padr[i].y);  
          break;
    
    
    
    
        case 5: // -Z  
          for (i=0; i<pcnt; i++)  
            padr[i] = Vector(padr[i].x,padr[i].z,-padr[i].y);  
          break;  
      }
    
    
    
    
      op->Message(MSG_UPDATE);  
    }
    
    
    
    
    BaseObject *RoundedTube::GetVirtualObjects(PluginObject *op, HierarchyHelp *hh)  
    {  
      LineObject *lop = NULL;  
      BaseObject *ret = NULL;
    
    
    
    
      Bool dirty = op->CheckCache(hh) || op->IsDirty(DIRTY_DATA);   
      if (!dirty) return op->GetCache(hh);
    
    
    
    
      BaseContainer *data = op->GetDataInstance();  
        
      Real rad    = data->GetReal(TUBEOBJECT_RAD,200.0);  
      Real iradx  = data->GetReal(TUBEOBJECT_IRADX,50.0);  
      Real irady  = data->GetReal(TUBEOBJECT_IRADY,50.0);  
      Real rrad   = data->GetReal(TUBEOBJECT_ROUNDRAD,10.0);  
      LONG sub    = CalcLOD(data->GetLong(TUBEOBJECT_SUB,1),hh->GetLOD(),1,1000);  
      LONG rsub   = CalcLOD(data->GetLong(TUBEOBJECT_ROUNDSUB,8),hh->GetLOD(),1,1000);  
      LONG seg    = CalcLOD(data->GetLong(TUBEOBJECT_SEG,36),hh->GetLOD(),3,1000);  
      LONG axis   = data->GetLong(PRIM_AXIS);  
      LONG i;  
      Real sn,cs;
    
    
    
    
      LONG cpcnt  = 4*(sub+rsub);  
      Vector *cpadr = (Vector* )GeAlloc(cpcnt*sizeof(Vector));  
      if (!cpadr) return NULL;
    
    
    
    
      for (i=0; i<sub; i++)  
      {  
        cpadr[i             ]=Vector(rad-iradx,(1.0-Real(i)/Real(sub)*2.0)*(irady-rrad),0.0);  
        cpadr[i+   sub+rsub ]=Vector(rad+(Real(i)/Real(sub)*2.0-1.0)*(iradx-rrad),-irady,0.0);  
        cpadr[i+2*(sub+rsub)]=Vector(rad+iradx,(Real(i)/Real(sub)*2.0-1.0)*(irady-rrad),0.0);  
        cpadr[i+3*(sub+rsub)]=Vector(rad+(1.0-Real(i)/Real(sub)*2.0)*(iradx-rrad),irady,0.0);  
      }  
      for (i=0; i<rsub; i++)  
      {  
        SinCos(Real(i)/Real(rsub)*pi05,sn,cs);  
        cpadr[i+sub             ]=Vector(rad-(iradx-rrad+cs*rrad),-(irady-rrad+sn*rrad),0.0);  
        cpadr[i+sub+  (sub+rsub)]=Vector(rad+(iradx-rrad+sn*rrad),-(irady-rrad+cs*rrad),0.0);  
        cpadr[i+sub+2*(sub+rsub)]=Vector(rad+(iradx-rrad+cs*rrad),+(irady-rrad+sn*rrad),0.0);  
        cpadr[i+sub+3*(sub+rsub)]=Vector(rad-(iradx-rrad+sn*rrad),+(irady-rrad+cs*rrad),0.0);  
      }  
        
      if (hh->GetVFlags()&VFLAG_POLYGONAL)  
      {  
        ret = GenerateLathe(cpadr,cpcnt,seg,hh->GetThread());  
        if (!ret) goto Error;  
        SetAxis(ret,axis);  
        ret->KillTag(Tphong);  
        if (!op->CopyTagsTo(ret,TRUE,FALSE,FALSE,NULL)) goto Error;  
      }  
      else  
      {  
        ret = PolygonObject::Alloc(0,0);  
        if (!ret) goto Error;  
      }  
      ret->SetName(op->GetName());
    
    
    
    
      if (hh->GetVFlags()&VFLAG_ISOPARM)  
      {  
        lop = GenerateIsoLathe(cpadr,cpcnt,seg);  
        if (!lop) goto Error;  
        SetAxis(lop,axis);  
        ret->SetIsoparm(lop);  
      }
    
    
    
    
      GeFree(cpadr);  
      return ret;
    
    
    
    
    Error:  
      GeFree(cpadr);  
      blDelete(ret);  
      return NULL;  
    }
    
    
    
    
    static Vector SwapPoint(const Vector &p, LONG axis)  
    {  
      switch (axis)  
      {  
        case 0: return Vector(p.y,-p.x,p.z); break;  
        case 1: return Vector(-p.y,p.x,p.z); break;  
        case 3: return Vector(-p.x,-p.y,p.z); break;  
        case 4: return Vector(p.x,-p.z,p.y); break;  
        case 5: return Vector(p.x,p.z,-p.y); break;  
      }  
      return p;  
    }
    
    
    
    
    static Vector GetRTHandle(PluginObject *op, LONG id)  
    {  
      BaseContainer *data = op->GetDataInstance();
    
    
    
    
      Vector  p;  
      Real    rad    = data->GetReal(TUBEOBJECT_RAD);  
      Real    iradx  = data->GetReal(TUBEOBJECT_IRADX);  
      Real    irady  = data->GetReal(TUBEOBJECT_IRADY);  
      Real    rrad   = data->GetReal(TUBEOBJECT_ROUNDRAD);  
      LONG    axis   = data->GetLong(PRIM_AXIS);
    
    
    
    
      switch (id)  
      {  
        case 0: p=Vector(rad,0.0,0.0); break;  
        case 1: p=Vector(rad+iradx,0.0,0.0); break;  
        case 2: p=Vector(rad,irady,0.0); break;  
        case 3: p=Vector(rad+iradx,irady-rrad,0.0); break;  
        case 4: p=Vector(rad+iradx-rrad,irady,0.0); break;  
      }
    
    
    
    
      return SwapPoint(p,axis);  
    }
    
    
    
    
    #define HANDLES 5
    
    
    
    
    Bool RoundedTube::Draw(PluginObject *op, LONG type, BaseDraw *bd, BaseDrawHelp *bh)  
    {  
      if (type!=DRAWPASS_HANDLES) return TRUE;
    
    
    
    
      BaseContainer *data = op->GetDataInstance();
    
    
    
    
      LONG    i;  
      Matrix  m      = bh->GetMg();  
      Real    rad    = data->GetReal(TUBEOBJECT_RAD);  
      Real    iradx  = data->GetReal(TUBEOBJECT_IRADX);  
      Real    irady  = data->GetReal(TUBEOBJECT_IRADY);  
      LONG    axis   = data->GetLong(PRIM_AXIS);  
        
      bd->SetPen(GetWorldColor(COLOR_ACTIVEPOINT));
    
    
    
    
      for (i=0; i<HANDLES; i++)  
        bd->Handle3D(GetRTHandle(op,i)*m,HANDLE_BIG);  
        
      bd->Line3D(GetRTHandle(op,0)*m,GetRTHandle(op,1)*m);  
      bd->Line3D(GetRTHandle(op,0)*m,GetRTHandle(op,2)*m);  
      bd->Line3D(GetRTHandle(op,3)*m,SwapPoint(Vector(rad+iradx,irady,0.0),axis)*m);  
      bd->Line3D(GetRTHandle(op,4)*m,SwapPoint(Vector(rad+iradx,irady,0.0),axis)*m);  
      return TRUE;  
    }
    
    
    
    
    LONG RoundedTube::DetectHandle(PluginObject *op, BaseDraw *bd, LONG x, LONG y, LONG qualifier)  
    {  
      if (qualifier&QUALIFIER_CTRL) return NOTOK;
    
    
    
    
      Matrix  mg = op->GetMg();  
      LONG    i,ret=NOTOK;  
      Vector  p;
    
    
    
    
      for (i=0; i<HANDLES; i++)  
      {  
        p = GetRTHandle(op,i);  
        if (bd->PointInRange(p*mg,x,y))   
        {  
          ret=i;  
          if (!(qualifier&QUALIFIER_SHIFT)) break;  
        }  
      }  
      return ret;  
    }
    
    
    
    
    Bool RoundedTube::MoveHandle(PluginObject *op, PluginObject *undo, const Matrix &tm, LONG hit_id, LONG qualifier)  
    {  
      BaseContainer *src = undo->GetDataInstance();  
      BaseContainer *dst = op  ->GetDataInstance();  
        
      Vector handle_dir;  
      switch (hit_id)  
      {  
        case 0: handle_dir = Vector( 1.0, 0.0,0.0); break;  
        case 1: handle_dir = Vector( 1.0, 0.0,0.0); break;  
        case 2: handle_dir = Vector( 0.0, 1.0,0.0); break;  
        case 3: handle_dir = Vector( 0.0,-1.0,0.0); break;  
        case 4: handle_dir = Vector(-1.0, 0.0,0.0); break;  
      }
    
    
    
    
      handle_dir=SwapPoint(handle_dir,src->GetLong(PRIM_AXIS));  
        
      Real val = tm.off*handle_dir;
    
    
    
    
      switch (hit_id)  
      {  
        case 0: dst->SetReal(TUBEOBJECT_RAD,FCut(src->GetReal(TUBEOBJECT_RAD)+val,dst->GetReal(TUBEOBJECT_IRADX),MAXRANGE)); break;  
        case 1: dst->SetReal(TUBEOBJECT_IRADX,FCut(src->GetReal(TUBEOBJECT_IRADX)+val,dst->GetReal(TUBEOBJECT_ROUNDRAD),dst->GetReal(TUBEOBJECT_RAD))); break;  
        case 2: dst->SetReal(TUBEOBJECT_IRADY,FCut(src->GetReal(TUBEOBJECT_IRADY)+val,dst->GetReal(TUBEOBJECT_ROUNDRAD),MAXRANGE)); break;  
        case 3: case 4: dst->SetReal(TUBEOBJECT_ROUNDRAD,FCut(src->GetReal(TUBEOBJECT_ROUNDRAD)+val,0.0,FMin(dst->GetReal(TUBEOBJECT_IRADX),dst->GetReal(TUBEOBJECT_IRADY)))); break;  
      }  
      return TRUE;  
    }
    
    
    
    
    // be sure to use a unique ID obtained from [www.plugincafe.com](http://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","roundedtube_small.tif",0);  
    }

It works just as fine there. May I ask you to show some of your code that causes the crash? I'd be very interested in reproducing that...

[Helper]

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

On 28/11/2002 at 09:29, xxxxxxxx wrote:

Btw, have you tried any of the other custom data types? I'm wondering if the spline type or the gradient is an exception...

[Helper]

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

On 28/11/2002 at 13:31, xxxxxxxx wrote:

Also, are you sure that  TPMODIFIER_FALLOFF_SPLINE doesn't collide with anything?

[Helper]

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

On 28/11/2002 at 13:39, xxxxxxxx wrote:

I took your RoundedTube code and compiled the C4D SDK examples with it. Compiles fine, then, "Not Enough Memory". I removed all other plugins and the error message still happened. Can you send me a .cdl you know works as a test? Are you using WIN2K, VC++6, and C4D v8.012? I need to figure out what is going on here and if it is a bug or an operator error. Thanks for the assistance.
Best Regards, darf - bhodiNUT

[Helper]

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

On 01/12/2002 at 01:58, xxxxxxxx wrote:

This really puzzles me. I have WinXP, VC++6 and C4D 8.012 and no crashes. I've sent you a fresh SDK with the code. I hope it doesn't crash, because otherwise I'm completely lost...

[Helper]

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On 23/03/2003 at 13:31, xxxxxxxx wrote:

several months later , I have the exact same problem !!
 
I dont
but  2 of my testers do
 
fo me it works just fine
but for them it  gives an out of memory !!!
AutoAlloc<SplineData> falloffspline;
  if ( !falloffspline ) return FALSE;

falloffspline->InsertKnot( 0.0, 0.0 );  // this line will cause out of memory
  falloffspline->InsertKnot( 1.0, 1.0 );

[Helper]

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

On 24/03/2003 at 04:06, xxxxxxxx wrote:

I just gave up on this. It would be nice if it worked consistently, blah, blah...

bt

[Helper]

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

On 24/03/2003 at 06:06, xxxxxxxx wrote:

Hi there
I hope I can help to deconfuse a bit
This is just a little example how to initialize a spline, but it should work similar with every custom data type.

    
    
    
    
      GeData d(CUSTOMDATATYPE_SPLINE, DEFAULTVALUE);  
      SplineData* p = (SplineData* )d.GetCustomDataType(CUSTOMDATATYPE_SPLINE);  
      if (p)  
      {  
        p->MakeLinearSpline(2);  
        p->Flip();  
      }  
      your_data_container->SetData(your_id, d);