Source/System/NodeCores/Groups/Base/OSGGroup.cpp

   1 /*---------------------------------------------------------------------------*\
   2  *                                OpenSG                                     *
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   5  *             Copyright (C) 2000-2002 by the OpenSG Forum                   *
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  28 \*---------------------------------------------------------------------------*/
  29 /*---------------------------------------------------------------------------*\
  30  *                                Changes                                    *
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  37 \*---------------------------------------------------------------------------*/
  38
  39 #include <cstdlib>
  40 #include <cstdio>
  41
  42 #include "OSGConfig.h"
  43
  44 #include "OSGRenderAction.h"
  45 #include "OSGIntersectAction.h"
  46
  47 #include "OSGGroup.h"
  48
  49 OSG_USING_NAMESPACE
  50
  51 // Documentation for this class is emited in the
  52 // OSGGroupBase.cpp file.
  53 // To modify it, please change the .fcd file (OSGGroup.fcd) and
  54 // regenerate the base file.
  55
  56 /*-------------------------------------------------------------------------*/
  57 /*                               Sync                                      */
  58
  59 void Group::changed(ConstFieldMaskArg whichField,
  60                     UInt32            origin,
  61                     BitVector         details)
  62 {
  63     Inherited::changed(whichField, origin, details);
  64 }
  65
  66 /*-------------------------------------------------------------------------*/
  67 /*                               Dump                                      */
  68
  69 void Group::dump(      UInt32    uiIndent,
  70                  const BitVector bvFlags) const
  71 {
  72    Inherited::dump(uiIndent, bvFlags);
  73 }
  74
  75 /*-------------------------------------------------------------------------*/
  76 /*                            Constructors                                 */
  77
  78 Group::Group(void) :
  79     Inherited()
  80 {
  81 }
  82
  83 Group::Group(const Group &source) :
  84     Inherited(source)
  85 {
  86 }
  87
  88 /*-------------------------------------------------------------------------*/
  89 /*                             Destructor                                  */
  90
  91 Group::~Group(void)
  92 {
  93 }
  94
  95 /*-------------------------------------------------------------------------*/
  96 /*                              Render                                     */
  97
  98 Action::ResultE Group::renderEnter(Action *action)
  99 {
 100     RenderAction *ra = dynamic_cast<RenderAction *>(action);
 101
 102     if(ra->pushVisibility() == true)
 103     {
 104         if(ra->selectVisibles() == 0)
 105         {
 106             ra->popVisibility();
 107             return Action::Skip;
 108         }
 109     }
 110
 111     return Action::Continue;
 112 }
 113
 114 Action::ResultE Group::renderLeave(Action *action)
 115 {
 116     RenderAction *ra = dynamic_cast<RenderAction *>(action);
 117
 118     ra->popVisibility();
 119
 120     return Action::Continue;
 121 }
 122
 123 /*-------------------------------------------------------------------------*/
 124 /*                             Intersect                                   */
 125
 126 Action::ResultE Group::intersectEnter(Action *action)
 127 {
 128           IntersectAction *ia = dynamic_cast<IntersectAction *>(action);
 129     const BoxVolume       &bv = ia->getActNode()->getVolume();
 130
 131     if(bv.isValid() && ! bv.intersect(ia->getLine()))
 132     {
 133         return Action::Skip;  //bv missed -> can not hit children
 134     }
 135
 136     return Action::Continue;
 137 }
 138
 139 /*-------------------------------------------------------------------------*/
 140 /*                                Init                                     */
 141
 142 void Group::initMethod(InitPhase ePhase)
 143 {
 144     Inherited::initMethod(ePhase);
 145
 146
 147     if(ePhase == TypeObject::SystemPost)
 148     {
 149         RenderAction::registerEnterDefault(
 150             Group::getClassType(),
 151             reinterpret_cast<Action::Callback>(&Group::renderEnter));
 152
 153         RenderAction::registerLeaveDefault(
 154             Group::getClassType(),
 155             reinterpret_cast<Action::Callback>(&Group::renderLeave));
 156
 157         IntersectAction::registerEnterDefault(
 158             getClassType(),
 159             reinterpret_cast<Action::Callback>(&Group::intersectEnter));
 160     }
 161 }