include/camera.h

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#ifndef _CAMERA_H

#include <stdio.h>                      // Header File For Standard Input/Output
#include <GL/gl.h>
#include <GL/glu.h>
#include <string>
#include <iostream>
#include <fstream>
#include <cmath>
#include <cassert>
//#include "coldet.h"                   // Header File For Collision Detection Library
//#include "mesh.h"
#include "quat.h"
//#include "entity.h"
//#include "entitylist.h"

using namespace std;

class CAMERA
{
private:
        //OLD NEWZ
        GLdouble transform_matrix[16];
        GLdouble velocity_matrix[16];

        void GenerateTransform();

public:
        CAMERA();

        VERTEX position;
        VERTEX pos_vel;

        //HOT NEWZ
        QUATERNION dir;
        QUATERNION dir_vel;
        QUATERNION dir_coupled;

        void Update();

        //OLD AND BUSTED
        /*void RotateX(float theta);
        void RotateY(float theta);
        void RotateZ(float theta);*/

        //NEW HOTNESS
        void Rotate(float a, float ax, float ay, float az);
        
        void MoveRelative(float mx, float my, float mz);

        //for FPS movement when we don't want to move up and down
        void MoveRelativeConstrainY(float mx, float my, float mz);

        void Move(float mx, float my, float mz);
        
        void PutTransformInto(GLdouble *matrix16);
        void PutVelocityInto(GLdouble *matrix16);

        void LoadVelocityIdentity();
        
        VERTEX GetPosition();
        void SetPosition(VERTEX newpos);
        VERTEX GetVelocity();
        //VERTEX GetRotation();

        void SetVelocity(VERTEX new_velocity);
        
        void Chase();
        
        //what camera mode we're in
        string cam_mode;
        int chase_ent;
        
        //frustum information
        float frustum[6][4];
        void ExtractFrustum();
};

#define _CAMERA_H
#endif

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