/*

 *  main.h

 *  Carbon OpenGL

 *

 *  Created by Geoff Stahl on Sat May 03 2003.

 *  Copyright (c) 2003 Apple. All rights reserved.

    Disclaimer: IMPORTANT:  This Apple software is supplied to you by Apple Computer, Inc.

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            to these terms, Apple grants you a personal, non-exclusive license, under AppleÕs

            copyrights in this original Apple software (the "Apple Software"), to use,

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            The Apple Software is provided by Apple on an "AS IS" basis.  APPLE MAKES NO

            WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED

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            PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE OR IN

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 *

 */

#ifndef __main_h__

#define __main_h__

#define DEBUG 1 // define this to 1 to enable debugging output

#define kUseMultiSample 0 // define this to 1 to enable multi-sample

#include <OpenGL/gl.h>

#include <AGL/agl.h>

#include "camera.h"

#include "pbuffer.h"

enum

{

    kMainMenu = 500,

    kCloseMenuItem = 2,

    kInfoMenuItem = 4,

    kAnimateMenuItem = 5,

    kInfoState = 1,

    kAnimateState = 1

};

enum {

    kFSAAOff = 0,

    kFSAAFast = 1,

    kFSAANice = 2,

    kSamples = 4

};

// per view data

struct recContext

{

    // generic OpenGL stuff

    AGLPixelFormat aglPixFmt; // for pbuffer and window

    AGLContext aglContext; // to be moved between pbuffer and window

    GLuint boldFontList;

    GLuint regFontList;

    GLint currentVS;

    AGLContext aglWindowDummyContext; // context to create window buffers and hold them (ensure they are not destoryed by AGL)

    GLint windowBufferName;

    pRecPbuffer pPbuffer; // related pbuffer structure, see pbuffer.h and pbuffer.c

    DMExtendedNotificationUPP  windowEDMUPP;

    Boolean info;

    Boolean drawHelp;

    Boolean drawCaps;

    Boolean showCredits;

    AbsoluteTime time;

    EventLoopTimerRef timer;

    // camera handling

    recCamera camera;

    GLfloat worldRotation [4]; // trackball rotation

    GLfloat shapeSize;

    char message[256]; // buffer for message output

    float msgTime; // message posting time for expiration

    GLuint polyList;

    GLuint lineList;

    GLuint pointList;

    long modeFSAA;

};

typedef struct recContext recContext;

typedef struct recContext * pRecContext;

// single set of interaction flags and states

extern GLfloat gTrackBallRotation [4];

extern pRecContext gContextTrackingInfo;

OSStatus aglReportError (void);

OSStatus glReportError (void);

void updateRotation (double deltaTime, GLfloat * fRot, GLfloat * fVel, GLfloat * fAccel, GLfloat * objectRotation);

void updateProjection (GLdouble width, GLdouble height, GLdouble zPos, GLdouble aperture, GLdouble shapeSize);

void updateModelView (AGLContext aglContext, recCamera * pCamera, GLfloat * pSpinRot, GLfloat * pObjectRot, GLfloat * pWorldRot);

void resetCamera (recCamera * pCamera);

void drawGL (WindowRef window, Boolean swap);

pRecContext GetCurrentContextInfo (WindowRef window);

#endif