/*

 MyOpenGLView.m

    An NSOpenGLView subclass that delegates to separate "scene" and "controller" objects for

    OpenGL rendering and input event handling, respectively -- facilitating sharing of this

    functionality by code that renders in FullScreen mode.

 Copyright (c) 2003, Apple Computer, Inc., all rights reserved.

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*/

#import "MyOpenGLView.h"

#import "Scene.h"

@implementation MyOpenGLView

- initWithFrame:(NSRect)frameRect

{

    // Pixel Format Attributes for the View-based (non-FullScreen) NSOpenGLContext

    NSOpenGLPixelFormatAttribute attrs[] = {

        // Specifying "NoRecovery" gives us a context that cannot fall back to the software renderer.  This makes the View-based context a compatible with the fullscreen context, enabling us to use the "shareContext" feature to share textures, display lists, and other OpenGL objects between the two.

        NSOpenGLPFANoRecovery,

        // Attributes Common to FullScreen and non-FullScreen

        NSOpenGLPFAColorSize, 24,

        NSOpenGLPFADepthSize, 16,

        NSOpenGLPFADoubleBuffer,

        NSOpenGLPFAAccelerated,

        0

    };

    long rendererID;

    // Create our non-FullScreen pixel format.

    NSOpenGLPixelFormat* pixelFormat = [[NSOpenGLPixelFormat alloc] initWithAttributes:attrs];

    // Just as a diagnostic, report the renderer ID that this pixel format binds to.  CGLRenderers.h contains a list of known renderers and their corresponding RendererID codes.

    [pixelFormat getValues:&rendererID forAttribute:NSOpenGLPFARendererID forVirtualScreen:0];

    NSLog(@"NSOpenGLView pixelFormat RendererID = %08x", (unsigned)rendererID);

    self = [super initWithFrame:frameRect pixelFormat:pixelFormat];

    if (self) {

        scene = [[Scene alloc] init];

    }

    return self;

}

- (void)dealloc

{

    [scene release];

    [super dealloc];

}

- (Scene *)scene

{

    return scene;

}

- (void) drawRect:(NSRect)aRect

{

    // Delegate to our scene object for rendering.

    [scene render];

    [[self openGLContext] flushBuffer];

}

- (void) reshape

{

    // Delegate to our scene object to update for a change in the view size.

    [scene setViewportRect:[self bounds]];

}

- (BOOL) acceptsFirstResponder

{

    // We want this view to be able to receive key events.

    return YES;

}

- (void) keyDown:(NSEvent *)theEvent

{

    // Delegate to our controller object for handling key events.

    [controller keyDown:theEvent];

}

- (void)mouseDown:(NSEvent *)theEvent

{

    // Delegate to our controller object for handling mouse events.

    [controller mouseDown:theEvent];

}

@end