/*

 *  BasicOpenGLView.h

 *  Created November 3 2004.

 *  Copyright (c) 2004 Apple Computer Inc. 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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            Apple Software without specific prior written permission from Apple.  Except as

            expressly stated in this notice, no other rights or licenses, express or implied,

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            Software may be incorporated.

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

            WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED

            WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR

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

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 */

#import <Cocoa/Cocoa.h>

#import <Carbon/Carbon.h>

#import <OpenGL/gl.h>

#import <OpenGL/glext.h>

#import <OpenGL/glu.h>

#import "GLImage.h"

#import "GLString.h"

typedef struct {

   GLdouble x,y,z;

} recVec;

typedef struct {

    recVec viewPos; // View position

    recVec viewDir; // View direction vector

    recVec viewUp; // View up direction

    recVec rotPoint; // Point to rotate about

    GLdouble aperture; // pContextInfo->camera aperture

    GLint viewWidth, viewHeight; // current window/screen height and width

} recCamera;

@interface BasicOpenGLView : NSOpenGLView

{

    // string attributes

    NSMutableDictionary * stanStringAttrib;

    CFAbsoluteTime msgTime; // message posting time for expiration

    // GLStrings

    GLString *helpStringTex;

    GLString *infoStringTex;

    GLString *camStringTex;

    GLString *capStringTex;

    GLString *msgStringTex;

    bool fGLInit;

    NSTimer* timer;

    bool fAnimate;

    IBOutlet NSMenuItem * animateMenuItem;

    bool fInfo;

    IBOutlet NSMenuItem * infoMenuItem;

    bool fDrawHelp;

    bool fDrawCaps;

    CFAbsoluteTime time;

    // spin

    GLfloat rRot [3];

    GLfloat rVel [3];

    GLfloat rAccel [3];

    // camera handling

    recCamera camera;

    GLfloat worldRotation [4];

    GLfloat objectRotation [4];

    GLfloat shapeSize;

    // GLImage: Our simple GLImage object

    GLImage *theImage;

}

+ (NSOpenGLPixelFormat*) basicPixelFormat;

- (void) updateProjection;

- (void) updateModelView;

- (void) resizeGL;

- (void) resetCamera;

- (void) updateObjectRotationForTimeDelta:(CFAbsoluteTime)deltaTime;

- (void)animationTimer:(NSTimer *)timer;

- (void) createHelpString;

- (void) createMessageString;

- (void) updateInfoString;

- (void) updateCameraString;

- (void) drawInfo;

-(IBAction) animate: (id) sender;

-(IBAction) info: (id) sender;

- (void)keyDown:(NSEvent *)theEvent;

- (void) mouseDown:(NSEvent *)theEvent;

- (void) rightMouseDown:(NSEvent *)theEvent;

- (void) otherMouseDown:(NSEvent *)theEvent;

- (void) mouseUp:(NSEvent *)theEvent;

- (void) rightMouseUp:(NSEvent *)theEvent;

- (void) otherMouseUp:(NSEvent *)theEvent;

- (void) mouseDragged:(NSEvent *)theEvent;

- (void) scrollWheel:(NSEvent *)theEvent;

- (void) rightMouseDragged:(NSEvent *)theEvent;

- (void) otherMouseDragged:(NSEvent *)theEvent;

- (void) drawRect:(NSRect)rect;

- (void) prepareOpenGL;

- (void) update;        // moved or resized

- (BOOL) acceptsFirstResponder;

- (BOOL) becomeFirstResponder;

- (BOOL) resignFirstResponder;

- (id) initWithFrame: (NSRect) frameRect;

- (void) awakeFromNib;

// GLImage Additions

-(IBAction)openPanelAction:(id)sender;

-(void)resetObjectRotation;

@end