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Stage.h

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/***************************************************************************
 *cr                                                                       
 *cr            (C) Copyright 1995-2019 The Board of Trustees of the           
 *cr                        University of Illinois                       
 *cr                         All Rights Reserved                        
 *cr                                                                   
 ***************************************************************************/

/***************************************************************************
 * RCS INFORMATION:
 *
 *      $RCSfile: Stage.h,v $
 *      $Author: johns $        $Locker:  $             $State: Exp $
 *      $Revision: 1.42 $       $Date: 2019/09/26 03:19:41 $
 *
 ***************************************************************************
 * DESCRIPTION:
 *   A Stage is a displayable object that acts as floor for other objects.
 * It is intended to be a point of reference.
 *
 ***************************************************************************/
#ifndef STAGE_H
#define STAGE_H

#include "Displayable.h"
#include "DispCmds.h"

class Stage : public Displayable {
public:
  enum StagePos { NO_STAGE = 0, STAGE_ORIGIN, STAGE_LOWER, STAGE_UPPER,
        STAGE_LEFT, STAGE_RIGHT, STAGE_BEHIND, STAGEPOS_TOTAL };

private:
  int usecolors[2];           
  int Panels;                 
  float Size;                 
  float inc;                  
  int stagePos;               
  int need_update;            
  DispCmdColorIndex cmdColor; 
  DispCmdSquare cmdSquare;    
  int colorCat;               
  int movedStage;             

  void create_cmdlist(void);

protected:
  virtual void do_color_changed(int);

public:
  Stage(Displayable *);

  int location(int);

  int location(void) { return stagePos; }

  char *loc_description(int);

  int locations(void) { return STAGEPOS_TOTAL; }

  int panels(void) { return Panels; }

  int panels(int newp) {
    if (newp == Panels) return TRUE;
    if (newp >= 1 && newp <= 30) {
      Panels = newp;
      inc = (Size * 2.0f) / (float) Panels;
      need_update = TRUE;
      return TRUE; // success
    }
    return FALSE; // failed
  }


  float size(void) { return Size; }

  float size(float newsize) {
    Size = newsize;
    inc = (Size * 2.0f) / (float) Panels;
    need_update = TRUE;
    return TRUE; // success
  }

  //
  // public virtual routines
  //
  
  virtual void prepare();

  virtual void pick_move(PickMode *, DisplayDevice *, int, int, const float *);

};

#endif

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