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1162 tavani 1 
/*
1349 giacomo 2 
 * Project: S.Ha.R.K.
1162 tavani 3 
 *
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 * Coordinators: Giorgio Buttazzo <giorgio@sssup.it>
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 *
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 * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy)
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 *
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 * http://www.sssup.it
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 * http://retis.sssup.it
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 * http://hartik.sssup.it
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 */
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1606 tullio 13 
/*
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; either version 2 of the License, or
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 * (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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 *
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 */
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1162 tavani 30 
#include "asteroid.h"
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#include <string.h>
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int score;             /* current player score */
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int energy;            /* current player energy */
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int enemy;             /* current player killed enemy */
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int lives;             /* current player lives */
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int crash;             /* astro vs. rock */
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TASK stat_write()
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{
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        char st[20];
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        int l;
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        while (1) {
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                sem_wait(&mx_st_scr);
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                sprintf(st, "%6d", score);
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                sem_post(&mx_st_scr);
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                sem_wait(&mx_grf);
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                grx_text(st, GB_XMAX+80, GB_YMIN+ 8, RGB_YELLOW, RGB_BLACK);
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                sem_post(&mx_grf);
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                sem_wait(&mx_st_nrg);
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                sprintf(st, "%6d", energy);
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                if (energy <= 0) crash = 1;
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                sem_post(&mx_st_nrg);
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                sem_wait(&mx_grf);
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                grx_text(st, GB_XMAX+80, GB_YMIN+24, RGB_YELLOW, RGB_BLACK);
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                sem_post(&mx_grf);
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                sem_wait(&mx_st_kil);
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                sprintf(st, "%6d", enemy);
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                sem_post(&mx_st_kil);
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                sem_wait(&mx_grf);
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                grx_text(st, GB_XMAX+80, GB_YMIN+40, RGB_YELLOW, RGB_BLACK);
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                sem_post(&mx_grf);
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                strcpy(st,LIVE_X);
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                sem_wait(&mx_st_liv);
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                l = lives;
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                sem_post(&mx_st_liv);
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                if (l == 0) strcpy(st,LIVE_0);
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                if (l == 1) strcpy(st,LIVE_1);
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                if (l == 2) strcpy(st,LIVE_2);
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                if (l == 3) strcpy(st,LIVE_3);
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                if (l == 4) strcpy(st,LIVE_4);
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                if (l == 5) strcpy(st,LIVE_5);
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                if (l == 6) strcpy(st,LIVE_6);
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                sem_wait(&mx_grf);
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                grx_text(st, GB_XMAX+80, GB_YMIN+56, RGB_YELLOW, RGB_BLACK);
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                sem_post(&mx_grf);
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                task_endcycle();
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        }
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}
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void reset_game()
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{
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        sem_wait(&mx_st_liv);
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        if (lives > 0) {
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                lives--;
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                sem_post(&mx_st_liv);
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        } else {
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                lives = LIVES_INIT;
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                sem_post(&mx_st_liv);
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                sem_wait(&mx_st_scr);
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                score = 0;
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                sem_post(&mx_st_scr);
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                sem_wait(&mx_st_kil);
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                enemy = 0;
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                sem_post(&mx_st_kil);
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        }
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        sem_wait(&mx_st_nrg);
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        energy = ENERGY_INIT;
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        sem_post(&mx_st_nrg);
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}
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void new_game(KEY_EVT *k)
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{
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        reset_rock();
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        reset_astro();
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        reset_game();
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}
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void start_game(KEY_EVT *k)
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{
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        start_astro();
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        start_rock();
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}
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void frame_stat()
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{
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        grx_text("Statistics", GB_XMAX+10, 45, RGB_BLUE, RGB_BLACK);
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        grx_line(GB_XMAX+8,55,640-8,55,RGB_RED);
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        grx_rect(GB_XMAX+7, GB_YMIN-3, 640-6, GB_YMIN+70, RGB_GREEN);
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        grx_text("Score  : ", GB_XMAX+15, GB_YMIN+ 8, RGB_CYAN, RGB_BLACK);
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        grx_text("Energy : ", GB_XMAX+15, GB_YMIN+24, RGB_CYAN, RGB_BLACK);
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        grx_text("Enemy  : ", GB_XMAX+15, GB_YMIN+40, RGB_CYAN, RGB_BLACK);
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        grx_text("Lives  : ", GB_XMAX+15, GB_YMIN+56, RGB_CYAN, RGB_BLACK);
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}
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void create_stat_task()
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{
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        SOFT_TASK_MODEL ms;
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        PID pid;
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        soft_task_default_model(ms);
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        soft_task_def_ctrl_jet(ms);
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        soft_task_def_met(ms, STAT_WCET);
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        soft_task_def_period(ms,STAT_PERIOD);
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        soft_task_def_usemath(ms);
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        pid = task_create("StatWrite", stat_write, &ms, NULL);
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        if (pid == NIL) {
1376 giacomo 148 
                sys_shutdown_message("Could not create task <StatWrite>\n");
1550 pj 149 
                exit(1);
1162 tavani 150 
        } else
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                task_activate(pid);
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}
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void init_stat()
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{
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        KEY_EVT k;
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        score  = 0;
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        enemy  = 0;
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        energy = ENERGY_INIT;
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        lives  = LIVES_INIT;
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        create_stat_task();
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        k.flag = 0;
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        k.scan = KEY_N;
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        k.ascii = 'n';
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        k.status = KEY_PRESSED;
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        keyb_hook(k,new_game,FALSE);
1162 tavani 170 
 
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        k.flag = 0;
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        k.scan = KEY_B;
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        k.ascii = 'b';
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        k.status = KEY_PRESSED;
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        keyb_hook(k,start_game,FALSE);
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}
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