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/*

 * Project: S.Ha.R.K.

 *

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

 *

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

 *

 * http://www.sssup.it

 * http://retis.sssup.it

 * http://hartik.sssup.it

 */

/*

 * 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 "asteroid.h"

#include <string.h>

int score;             /* current player score */

int energy;            /* current player energy */

int enemy;             /* current player killed enemy */

int lives;             /* current player lives */

int crash;             /* astro vs. rock */

TASK stat_write()

{

	char st[20];

	int l;

	while (1) {

		sem_wait(&mx_st_scr);

		sprintf(st, "%6d", score);

		sem_post(&mx_st_scr);

		sem_wait(&mx_grf);

		grx_text(st, GB_XMAX+80, GB_YMIN+ 8, RGB_YELLOW, RGB_BLACK);

		sem_post(&mx_grf);

		sem_wait(&mx_st_nrg);

		sprintf(st, "%6d", energy);

		if (energy <= 0) crash = 1;

		sem_post(&mx_st_nrg);

		sem_wait(&mx_grf);

		grx_text(st, GB_XMAX+80, GB_YMIN+24, RGB_YELLOW, RGB_BLACK);

		sem_post(&mx_grf);

		sem_wait(&mx_st_kil);

		sprintf(st, "%6d", enemy);

		sem_post(&mx_st_kil);

		sem_wait(&mx_grf);

		grx_text(st, GB_XMAX+80, GB_YMIN+40, RGB_YELLOW, RGB_BLACK);

		sem_post(&mx_grf);

		strcpy(st,LIVE_X);

		sem_wait(&mx_st_liv);

		l = lives;

		sem_post(&mx_st_liv);

		if (l == 0) strcpy(st,LIVE_0);

		if (l == 1) strcpy(st,LIVE_1);

		if (l == 2) strcpy(st,LIVE_2);

		if (l == 3) strcpy(st,LIVE_3);

		if (l == 4) strcpy(st,LIVE_4);

		if (l == 5) strcpy(st,LIVE_5);

		if (l == 6) strcpy(st,LIVE_6);

		sem_wait(&mx_grf);

		grx_text(st, GB_XMAX+80, GB_YMIN+56, RGB_YELLOW, RGB_BLACK);

		sem_post(&mx_grf);

		task_endcycle();

	}

}

void reset_game()

{

	sem_wait(&mx_st_liv);

	if (lives > 0) {

		lives--;

		sem_post(&mx_st_liv);

	} else {

		lives = LIVES_INIT;

		sem_post(&mx_st_liv);

		sem_wait(&mx_st_scr);

		score = 0;

		sem_post(&mx_st_scr);

		sem_wait(&mx_st_kil);

		enemy = 0;

		sem_post(&mx_st_kil);

	}

	sem_wait(&mx_st_nrg);

	energy = ENERGY_INIT;

	sem_post(&mx_st_nrg);

}

void new_game(KEY_EVT *k)

{

	reset_rock();

	reset_astro();

	reset_game();

}

void start_game(KEY_EVT *k)

{

	start_astro();

	start_rock();

}

void frame_stat()

{

	grx_text("Statistics", GB_XMAX+10, 45, RGB_BLUE, RGB_BLACK);

	grx_line(GB_XMAX+8,55,640-8,55,RGB_RED);

	grx_rect(GB_XMAX+7, GB_YMIN-3, 640-6, GB_YMIN+70, RGB_GREEN);

	grx_text("Score  : ", GB_XMAX+15, GB_YMIN+ 8, RGB_CYAN, RGB_BLACK);

	grx_text("Energy : ", GB_XMAX+15, GB_YMIN+24, RGB_CYAN, RGB_BLACK);

	grx_text("Enemy  : ", GB_XMAX+15, GB_YMIN+40, RGB_CYAN, RGB_BLACK);

	grx_text("Lives  : ", GB_XMAX+15, GB_YMIN+56, RGB_CYAN, RGB_BLACK);

}

void create_stat_task()

{

	SOFT_TASK_MODEL ms;

	PID pid;

	soft_task_default_model(ms);

	soft_task_def_ctrl_jet(ms);

	soft_task_def_met(ms, STAT_WCET);

	soft_task_def_period(ms,STAT_PERIOD);

	soft_task_def_usemath(ms);

	pid = task_create("StatWrite", stat_write, &ms, NULL);

	if (pid == NIL) {

		sys_shutdown_message("Could not create task <StatWrite>\n");

		exit(1);

	} else

		task_activate(pid);

}

void init_stat()

{

	KEY_EVT k;

	score  = 0;

	enemy  = 0;

	energy = ENERGY_INIT;

	lives  = LIVES_INIT;

	create_stat_task();

	k.flag = 0;

	k.scan = KEY_N;

	k.ascii = 'n';

	k.status = KEY_PRESSED;

	keyb_hook(k,new_game,FALSE);

	k.flag = 0;

	k.scan = KEY_B;

	k.ascii = 'b';

	k.status = KEY_PRESSED;

	keyb_hook(k,start_game,FALSE);

}