/*

     File: SmartMissileBase.m

 Abstract: SmartMissileBase, a subclass of GamePiece

  Version: 1.0

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 */

#import "SmartMissileBase.h"

#import "SmartMissileBaseExplosion.h"

#import "SmartMissile.h"

#import "Helicopter.h"

#import "Game.h"

@implementation SmartMissileBase

- (NSInteger)pieceType {

    return StationaryEnemyPiece;

}

- (id)initInGame:(Game *)g {

    if (!(self = [self initInGame:g imageName:@"smartmbase" numFrames:3])) return nil;

    [self setPerFrameTime:600];

    return self;

}

- (BOOL)touches:(GamePiece *)obj {

    return NO;

}

- (void)explode {

    id exp = [[SmartMissileBaseExplosion alloc] initInGame:game];

    [game addScore:MISSILEBASESCORE];

    [self explode:exp];

}

- (void)updatePiece {

    if ([self isWithin:SMARTMISSILEDISTANCE ofPiece:[game helicopter]] && curImage == 0 && [game updateTime] > nextFireTime) {

        GamePiece *missile = [[SmartMissile alloc] initInGame:game];

        NSPoint bulletLocation = NSMakePoint(NSMidX(pos) - 3.0, NSMaxY(pos));

        NSSize bulletVelocity = NSMakeSize(vel.width, vel.height + BULLETVEL);

        [missile setLocation:bulletLocation];

        [missile setVelocity:bulletVelocity];

        [game addGamePiece:missile];

        [game playEnemyFireSound];

        nextFireTime = [game updateTime] + TIMETORECHARGEMISSILE;

    }

    [super updatePiece];

}

@end