/*

 Copyright (C) 2017 Apple Inc. All Rights Reserved.

 See LICENSE.txt for this sample’s licensing information

 Abstract:

 Game view declaration.

 */

#import "AAPLGameView.h"

@implementation AAPLGameView {

    IBOutlet AAPLGameViewController *_gameViewController;

    NSPoint _clickLocation;

}

// forward click event to the game view controller

- (void)mouseDown:(NSEvent *)theEvent

{

    _clickLocation = [self convertPoint:theEvent.locationInWindow fromView:nil];

    [_gameViewController gestureDidBegin];

    if (theEvent.clickCount == 2) {

        [_gameViewController handleDoubleTapAtPoint:_clickLocation];

    }

    else {

        if (!(theEvent.modifierFlags & NSAlternateKeyMask)) {

            [_gameViewController handleTapAtPoint:_clickLocation];

        }

    }

    [super mouseDown:theEvent];

}

// forward drag event to the view controller as "pan" events

- (void)mouseDragged:(NSEvent *)theEvent

{

    if (theEvent.modifierFlags & NSAlternateKeyMask) {

        NSPoint p = [self convertPoint:theEvent.locationInWindow fromView:nil];

        [_gameViewController tiltCameraWithOffset:CGPointMake(p.x - _clickLocation.x, p.y - _clickLocation.y)];

    }

    else {

        [_gameViewController handlePanAtPoint:[self convertPoint:theEvent.locationInWindow fromView:nil]];

    }

    [super mouseDragged:theEvent];

}

// forward mouse up events as "end gesture"

- (void)mouseUp:(NSEvent *)theEvent

{

    [_gameViewController gestureDidEnd];

    [super mouseUp:theEvent];

}

@end