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/*

 * Project: HARTIK (HA-rd R-eal TI-me K-ernel)

 *

 * Coordinators: Giorgio Buttazzo <giorgio@sssup.it>

 *               Gerardo Lamastra <gerardo@sssup.it>

 *

 * Authors     : Paolo Gai <pj@hartik.sssup.it>

 * (see authors.txt for full list of hartik's authors)

 *

 * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy)

 *

 * http://www.sssup.it

 * http://retis.sssup.it

 * http://hartik.sssup.it

 */

/*

 * Copyright (C) 2000 Paolo Gai

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 2 of the License, or

 * (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

 *

 */

#include <kernel/func.h>

#include <stdlib.h>

#include <drivers/keyb.h>

#include <drivers/glib.h>

#include <semaphore.h>

#include "modules/sem.h"

#include "modules/hartport.h"

#include <math.h>

#define ASTRO_MOVE/* If defined then astro else defender */

// DA CALCOLARE

#define RGB_BLACK     rgb16(  0,  0,  0)

#define RGB_GRAY      rgb16(127,127,127)

#define RGB_WHITE     rgb16(255,255,255)

#define RGB_RED       rgb16(255,  0,  0)

#define RGB_GREEN     rgb16(  0,255,  0)

#define RGB_BLUE      rgb16(  0,  0,255)

#define RGB_YELLOW    rgb16(255,255,  0)

#define RGB_MAGENTA   rgb16(255,  0,255)

#define RGB_CYAN      rgb16(  0,255,255)

#define RGB_D_RED     rgb16(127,  0,  0)

#define RGB_D_GREEN   rgb16(  0,127,  0)

#define RGB_D_BLUE    rgb16(  0,  0,127)

#define RGB_D_YELLOW  rgb16(127,127,  0)

#define RGB_D_MAGENTA rgb16(127,  0,127)

#define RGB_D_CYAN    rgb16(  0,127,127)

#define LIVE_0 "      "

#define LIVE_1 "     *"

#define LIVE_2 "    **"

#define LIVE_3 "   ***"

#define LIVE_4 "  ****"

#define LIVE_5 " *****"

#define LIVE_6 "******"

#define LIVE_X "------"

/* GameBoard constants */

#define GB_YMIN             65               /* position of the top */

#define GB_YMAX            460               /* position of the bottom */

#define GB_XMIN              5               /* min position X of the asteroid */

#define GB_XMAX            505               /* max position X of the asteroid */

/* Asteroid constants */

#define ASTEROID_RADIUS      4               /* radius of the asteroid */

#define ASTEROID_NMAX       60               /* max number of asteroids */

#define ASTEROID_GROUP       2               /* task group of asteroids */

/* Astro constants */

#ifdef ASTRO_MOVE

#define ASTRO_Y        (GB_YMAX+GB_YMIN)/2   /* Y position of the astro */

#else

#define ASTRO_Y        GB_YMAX-22            /* Y position of the astro */

#endif

#define ASTRO_X        (GB_XMAX+GB_XMIN)/2   /* X position of the astro */

#define ASTRO_MAX_VEL  ASTRO_VEL_INC*5       /* Max astro velocity */

#ifdef ASTRO_MOVE

#define ASTRO_MAX_GRAD     180               /* Max astro angle */

#else

#define ASTRO_MAX_GRAD      80               /* Max astro angle */

#endif

#define ASTRO_GRAD_INC      10               /* angular variation */

#define ASTRO_VEL_INC        3               /* velocity variation */

#define ASTRO_RADIUS        16               /* Dimension of the astro */

#define ASTRO_PERIOD     10000

#define ASTRO_MOVE_PERIOD 5000

#define ASTRO_WCET         300

/* Shot constants */

#define SHOT_RADIUS          1               /* radius of the shot */

#define SHOT_VEL            35               /* speed of the shot */

#define SHOT_NMAX           30               /* max number of shots */

#define SHOT_GROUP           3               /* task group of shots */

#define SHOT_PERIOD      10000

#define SHOT_WCET          500

/* Rock constants */

#define ROCK_RADIUS_I        8               /* initial radius of the rock */

#define ROCK_RADIUS_S        4               /* radius of the rock after one shot */

#define ROCK_VEL             6               /* speed of the rock */

#define ROCK_NMAX            8               /* max number of rocks */

#define ROCK_GROUP           4               /* task group of rocks */

#define ROCK_PERIOD      20000

#define ROCK_WCET          500

/* Statistic constants */

#define ENERGY_INIT        200

#define ENERGY_SHOT          2

#define ENERGY_GOT          10

#define SCORE_GOT            2

#define LIVES_INIT           3

#define STAT_PERIOD     400000

#define STAT_WCET          400

/* Statistic constants */

#define LOOK_PERIOD       2000

#define LOOK_WCET          400

typedef struct {

        PID pid;

        int x, y, r;

} rock_pos;

typedef struct {

        int i;

        int x, y, r;

} rock_ini;

double dist_xy(int x1, int y1, int x2, int y2);

void draw_rock(int x, int y, int r, int c);

void rock_create(rock_ini* ri);

void frame_astro();

void frame_stat();

void init_astro();

void init_stat();

void init_rock();

void reset_astro();

void reset_rock();

void start_astro();

void start_rock();

void reset_game();

extern sem_t  mx_mat, mx_grf;       /* mutex semaphores */

extern sem_t  mx_pos, mx_vel;       /* mutex semaphores */

extern sem_t  mx_xy, mx_rk, mx_rn;  /* mutex semaphores */

extern sem_t  mx_st_scr, mx_st_nrg; /* mutex semaphores */

extern sem_t  mx_st_kil, mx_st_liv; /* mutex semaphores */

extern int nshot;                   /* number of shot active */

extern int nrock;                   /* number of rock active */

extern int astro_x, astro_y;        /* astro position */

extern int astro_grad;              /* astro angolar position */

extern int astro_vel;               /* astro velocity */

extern int score;                   /* current player score */

extern int energy;                  /* current player energy */

extern int enemy;                   /* current player strikes */

extern int lives;                   /* current player lives*/

extern int kill_rock;               /* kill active rocks */

extern int kill_shot;               /* kill active shots */

extern int freez_astro;             /* turn of control pad */

extern int crash;                   /* astro vs. rock */

extern rock_pos rocks[ROCK_NMAX];   /* rocks position */

extern rock_ini rock_new;