Source/System/NodeCores/Groups/Misc/OSGSwitch.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 "OSGSwitch.h"
  45
  46 #include "OSGRenderAction.h"
  47 #include "OSGIntersectAction.h"
  48
  49 OSG_USING_NAMESPACE
  50
  51 // Documentation for this class is emited in the
  52 // OSGSwitchBase.cpp file.
  53 // To modify it, please change the .fcd file (OSGSwitch.fcd) and
  54 // regenerate the base file.
  55
  56 /*-------------------------------------------------------------------------*/
  57 /*                                Sync                                     */
  58
  59 void Switch::changed(ConstFieldMaskArg whichField,
  60                      UInt32            origin,
  61                      BitVector         details)
  62 {
  63     Inherited::changed(whichField, origin, details);
  64 }
  65
  66 /*-------------------------------------------------------------------------*/
  67 /*                               Dump                                      */
  68
  69 void Switch::dump(      UInt32    OSG_CHECK_ARG(uiIndent),
  70                   const BitVector OSG_CHECK_ARG(bvFlags )) const
  71 {
  72     SLOG << "Dump Switch NI" << std::endl;
  73 }
  74
  75 /*-------------------------------------------------------------------------*/
  76 /*                            Constructors                                 */
  77
  78 Switch::Switch(void) :
  79     Inherited()
  80 {
  81 }
  82
  83 Switch::Switch(const Switch &source) :
  84     Inherited(source)
  85 {
  86 }
  87
  88 /*-------------------------------------------------------------------------*/
  89 /*                             Destructor                                  */
  90
  91 Switch::~Switch(void)
  92 {
  93 }
  94
  95 /*-------------------------------------------------------------------------*/
  96 /*                               Draw                                      */
  97
  98 Action::ResultE Switch::renderEnter(Action *action)
  99 {
 100     Action::ResultE  returnValue = Action::Continue;
 101     RenderAction    *ra          = dynamic_cast<RenderAction*>(action);
 102
 103     if(ra->pushVisibility() == true)
 104     {
 105        if((this->getChoice()                      >= 0              ) &&
 106           (static_cast<UInt32>(this->getChoice()) <  ra->getNNodes())   )
 107         {
 108             ra->useNodeList();
 109
 110             if(ra->isVisible(ra->getNode(this->getChoice())))
 111             {
 112                 ra->addNode(ra->getNode(this->getChoice()));
 113             }
 114             else
 115             {
 116                 ra->popVisibility();
 117                 returnValue = Action::Skip;
 118             }
 119         }
 120         else if(this->getChoice() == Switch::ALL)
 121         {
 122             if(ra->selectVisibles() == 0)
 123             {
 124                 ra->popVisibility();
 125                 returnValue = Action::Skip;
 126             }
 127         }
 128         else
 129         {
 130             ra->popVisibility();
 131             returnValue = Action::Skip;
 132         }
 133     }
 134
 135     return returnValue;
 136 }
 137
 138 Action::ResultE Switch::renderLeave(Action *action)
 139 {
 140     RenderAction *ra = dynamic_cast<RenderAction *>(action);
 141
 142     ra->popVisibility();
 143
 144     return Action::Continue;
 145 }
 146
 147 Action::ResultE Switch::intersectEnter(Action *action)
 148 {
 149     Action::ResultE  returnValue = Action::Continue;
 150     IntersectAction *ia          = dynamic_cast<IntersectAction *>(action);
 151
 152     if((getChoice()         >= 0              ) &&
 153        (UInt32(getChoice()) <  ia->getNNodes())   )
 154     {
 155         ia->useNodeList(                        );
 156         ia->addNode    (ia->getNode(getChoice()));
 157     }
 158     else if(getChoice() == ALL)
 159     {
 160         returnValue = Action::Continue;
 161     }
 162     else
 163     {
 164         returnValue = Action::Skip;
 165     }
 166
 167     return returnValue;
 168 }
 169
 170 /*-------------------------------------------------------------------------*/
 171 /*                                Init                                     */
 172
 173 void Switch::initMethod(InitPhase ePhase)
 174 {
 175     Inherited::initMethod(ePhase);
 176
 177     if(ePhase == TypeObject::SystemPost)
 178     {
 179         RenderAction::registerEnterDefault(
 180             Switch::getClassType(),
 181             reinterpret_cast<Action::Callback>(&Switch::renderEnter));
 182
 183         RenderAction::registerLeaveDefault(
 184             Switch::getClassType(),
 185             reinterpret_cast<Action::Callback>(&Switch::renderLeave));
 186
 187         IntersectAction::registerEnterDefault(
 188             getClassType(),
 189             reinterpret_cast<Action::Callback>(&Switch::intersectEnter));
 190     }
 191 }
 192