BasicOpenGLView.h

//
// File:        BasicOpenGLView.m
//
// Abstract:    Basic OpenGL View with Renderer information
//
// Version:     1.1 - minor fixes.
//              1.0 - Original release.
//              
//
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#import <OpenGL/gl.h>
#import <OpenGL/glext.h>
#import <OpenGL/glu.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;
    
    // string textures
    GLString * helpStringTex;
    GLString * infoStringTex;
    GLString * camStringTex;
    GLString * capStringTex;
    GLString * msgStringTex;
    CFAbsoluteTime msgTime; // message posting time for expiration
    
    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;
    
}
 
+ (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;
 
@end