camera.h

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/*****************************************************************************
 * $Id: camera.h,v 1.8 2003/07/16 11:42:15 schou Exp $
 * Author: Jakob Schou Jensen <schou@sourceforge.net>
 * Licence: GPL
 *
 * Description: Camera
 *
 ****************************************************************************/

#ifndef CAMERA_H
#define CAMERA_H

#include <adsomath.h>
#include <adsoheightmap.h>
#include "rigidbody.h"
#include "animation.h"

#define CAMERA_FOLLOW 0
#define CAMERA_VEHICLE 1
#define CAMERA_FLOAT 2
#define CAMERA_FLY 3
#define CAMERA_ROTATE 4
#define CAMERA_MAX_MODE_NUM 2

struct CameraCtrl {
  // input
  int forward;
  int back;
  int left;
  int right;
  int mouse_dx;
  int mouse_dy;
  int mouse_button;

  // target location
  v3f pos, dir, dup;

  AdsoHeightMap *heightMap;
};

class Camera : public RigidBody, public PhysicalAnimation {
  int mode;
  int defMode; // variable for keeping track of user selected mode

 public:
  CameraCtrl ctrl;

  int grab_keys;

  float angle; // this is the inverse zoom factor

  // Relative eye location variables
  float tilt;
  float course;
  float dist;

  int changeMode();
  void setMode(int m);
  void defaultMode(int m){ defMode = m; } // (ie. user selected mode)
  int getMode(){return mode;}
  int getDefaultMode(){ return defMode; }
  char *modeName();

  void update(double delta_time);

  Camera();
  friend class ScreenDump;
};

#endif

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