/*

     File: GamePiece.h

 Abstract: The mostly abstract superclass of all objects in the game.

  Version: 1.0

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#import <Cocoa/Cocoa.h>

@class Game;

/* ??? Separate these values */

enum {

    DEFAULTPERFRAMETIME = 200,  /* ms */

    /* Velocities in pixels/sec */

    BULLETVEL = 65,

    ARROWVEL = 90,

    ATTACKSHIPVEL = 90,

    /* Time to recharge the helicopter's gun */

    TIMETORECHARGE = 500,

    /* Time to recharge the missile bases and adjust various smart missiles */

    TIMETORECHARGEMISSILE = 2000,

    TIMETORECHARGESMARTMISSILE = 4000,

    TIMETORECHARGEENEMYBULLET = 3000,

    TIMETORECHARGERAPIDENEMYBULLET = 200,

    TIMETORECHARGERAPIDMISSILE = 300,

    TIMETORECHARGEARROW = 4000,

    TIMETOADJUSTSMARTMISSILE = 500,

    TIMETOADJUSTDROPSHIP = 1000,

    TIMETOADJUSTARROW = 300,

    TIMETOADJUSTSMARTHANGINGBASE = 300,

    TIMETODETONATEPROXIMITYMINE = 2000,

    TIMETOEXPIREATTACKSHIP = 2000,

    TIMETOADJUSTATTACKSHIP = 700,

    TIMETOADJUSTSHEEP = 2000,

    TIMETOEXPIREBIGEXPLOSION = 600,

    TIMETOEXPLODEBIGMULTIPLE = (TIMETOEXPIREBIGEXPLOSION * 2 / 3),

    TIMETORECHARGEWAVEGENERATOR = 800,

    TIMETORECHARGEBOMBGENERATOR = 2000,

    TIMETORECHARGESPIDER = 8000,

    TIMETORECHARGETOUGHSPIDER = 500,

    TIMETOSLOWRECHARGETOUGHSPIDER = 2500,

    TIMETOUNSTUNSPIDER = 12000,

    TIMETOADJUSTKILLERMISSILE = 1000,

    TIMETOADJUSTBOMB = 1000,

    TIMETORECHARGEKILLERMISSILE = 2000,

    TIMETOCHANGEGATE = 2000,

    TIMETOOPENGATE = 100,

    TIMETOCLOSEGATE = 2000,

    TIMETOCLOSEAUTOGATE = 6000,

    TIMETOCHANGESWITCHEDGATE = 1000,

    TIMETOCLOSESWITCHEDGATE = 10000,

    // Distance within which the various enemy bases will fire

    // (Note that helicopter bullet speed is 65 and it lives for 2 seconds)

    MISSILEDISTANCE = 25,

    HANGINGBASEDISTANCE = 125,

    SMARTHANGINGBASEDISTANCE = 140,

    SNEAKYHANGINGBASEDISTANCE = 40,

    SMARTMISSILEDISTANCE = 75,

    KILLERMISSILEDISTANCE = 200,

    SMARTMINEDISTANCE = 40,

    ARROWDISTANCE = 250,

    DROPSHIPDISTANCE = 160,

    BACKSHOOTERDISTANCE = 250,

    PROXIMITYMINEDISTANCE = 20,

    ATTACKSHIPDISTANCE = 125,

    // If this is increased might have to fix level 20

    MAXBIGMULTIPLEOFFSET = 35,

    MINBIGMULTIPLEOFFSET = 10,

    SPIDERDISTANCE = 150,

    BUBBLEMINEDISTANCE = 60,

    HOLEDISTANCE = 200,

    DONUTDISTANCE = 30,

    MISSILEBASESCORE = 1,

    HANGINGBASESCORE = 1,

    MINESCORE = 1,

    BACKSHOOTERSCORE = 1,

    DROPSHIPSCORE = 1,

    ARROWBASESCORE = 1,

    ATTACKSHIPSCORE = 1,

    GOODSHEEPSCORE = 2,

    BADSHEEPSCORE = 1,

    BOINGSCORE = 1,

    SPIDERSCORE = 1,

    BOMBSCORE = 1,

    REQUIREDSMARTMINEHITS = 3,

    REQUIREDATTACKSHIPHITS = 3,

    REQUIREDWAVEHITS = 2,

    REQUIREDSPIDERHITS = 2,

    MAXAMEOBAGENERATION = 3,

    MAXBIGMULTIPLEGENERATION = 1,

    HELICOPTERACCVALUE = 120,

    HOLEACCVALUE = 80,

    // Types of game pieces

    FriendlyPiece = 0,

    StationaryEnemyPiece = 1,

    MobileEnemyPiece = 2,

    OtherPiece = 3,

    LastGamePiece = 4

};

#define FireFromMiddlePoint NSMakePoint(-10000,-10000)

@interface GamePiece:NSObject {

     NSSize vel;

     NSSize acc;

     NSRect pos;

     NSImage *images;

     NSInteger numImages;

     NSInteger curImage;

     NSInteger numPoses;

     NSInteger curPose;

     NSInteger aliveUntil;      /* ms */

     NSInteger perFrameTime;        /* ms */

     NSInteger nextFrameTime;       /* ms */

     __unsafe_unretained Game *game;

}

/* Designated initializer for GamePiece

*/

- (id)initInGame:(Game *)g image:(NSImage *)frames numFrames:(NSInteger)nf numPoses:(NSInteger)np cache:(BOOL)cacheFlag;

- (id)initInGame:(Game *)g image:(NSImage *)frames numFrames:(NSInteger)nf numPoses:(NSInteger)np;

- (id)initInGame:(Game *)g imageName:(NSString *)imageName numFrames:(NSInteger)nf numPoses:(NSInteger)np;

- (id)initInGame:(Game *)g imageName:(NSString *)imageName numFrames:(NSInteger)nf;

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

- (void)setSize:(NSSize)newSize;

- (void)setLocation:(NSPoint)newLocation;

- (void)setPerFrameTime:(NSInteger)time;

- (void)setPerFrameTime:(NSInteger)time takeEffectNow:(BOOL)nowFlag;

- (NSPoint)location;

- (NSSize)size;

- (NSRect)rect;

- (void)reverseVelocity;

- (void)setVelocity:(NSSize)newVel;

- (NSSize)velocity;

- (void)setAcceleration:(NSSize)newAcc;

- (NSSize)acceleration;

- (void)setTimeToExpire:(NSInteger)time;

- (void)frameChanged;

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

- (BOOL)touchesRect:(NSRect)rect;

- (BOOL)isWithin:(CGFloat)dist ofPiece:(GamePiece *)obj;

- (BOOL)isInFrontAndWithin:(CGFloat)dist ofPiece:(GamePiece *)obj;

- (BOOL)isInBackAndWithin:(CGFloat)dist ofPiece:(GamePiece *)obj;

- (BOOL)isInFrontAndBetween:(CGFloat)farDist and:(CGFloat)nearDist ofPiece:(GamePiece *)obj;

- (void)updatePiece;

- (BOOL)isVisibleIn:(NSRect)rect;

- (void)draw:(NSRect)gameRect;

- (NSInteger)pieceType;

- (void)fireBullet:(GamePiece *)bullet speed:(CGFloat)speed towardsPiece:(GamePiece *)obj smart:(BOOL)smart from:(NSPoint)fireFrom; 

- (void)flyTowardsPiece:(GamePiece *)obj smart:(BOOL)smart;

- (void)explode;

- (void)explode:(GamePiece *)explosion;

- (void)playExplosionSound;

/* ??? Should be a function */

+ (BOOL)intersectsRects:(NSRect)a :(NSRect)b;

+ (void)cacheImage:(NSImage *)image;

+ (void)cacheImageNamed:(NSString *)name;

@end