Source code
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pong.c
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200
pong.c
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/*******************\
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| Pong |
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| |
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| By Alnotz |
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\*******************/
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/*
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gcc -o pong pong.c `/usr/bin/pkg-config --libs --cflags ncurses`
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*/
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#include <stdlib.h>
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#include <time.h>
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/*Ncurses header*/
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#include <curses.h>
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/*Inner window size*/
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#define LINE 40
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#define COL 80
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/*Inner window title & border*/
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#define DO_TITLE(void) \
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/*Inner border*/\
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box(inwin, '|', '-');\
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/*Inner window title*/\
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wmove(inwin, 0, COL/4);\
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wattron(inwin, COLOR_PAIR(2));\
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wprintw(inwin, "Push 'q' to quit");\
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wmove(inwin, 0, COL-11);\
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timespec_get(&ts, TIME_UTC);\
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strftime(buff, sizeof buff, "%H:%M\'%S\"", gmtime(&ts.tv_sec));\
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wprintw(inwin, "%s", buff);\
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wattroff(inwin, COLOR_PAIR(2));
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/*False asynchronization timer*/
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unsigned int tmr=0;
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/*Inner window*/
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WINDOW *inwin;
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/*Cursor position*/
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int bracket_Rl=LINE-1, bracket_Rc=COL/2, startl, startc;
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/*Ball position*/
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int ball_Rl=LINE-2, ball_Rc=COL/2, ball_Vl=-1, ball_Vc=1;
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/*Key number*/
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int ch;
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/*Bloc array*/
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char blocs0[COL];
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/*Clock*/
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struct timespec ts;
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char buff[20];
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void blocs_ltest(char *blc[], const int *ball_Rl,
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const int *ball_Rc, int *ball_Vl)
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{
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const size_t lsize = (sizeof *blc) / (sizeof *blc[0]);
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if(*ball_Rl==1 || *ball_Rl==3 && *blc[*ball_Rc]=='#')
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{
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*blc[*ball_Rc]==' ';
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*ball_Vl = -*ball_Vl;
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}
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}
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int ball_Vl_test(void)
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{
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const int lwall = ball_Rl<1 || ball_Rl>LINE-2;
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const int br_csize = ball_Rc>=bracket_Rc && ball_Rc<bracket_Rc+2;
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const int br_bot = ball_Rl==bracket_Rl-1 && ball_Vl>0;
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const int br_up = ball_Rl==bracket_Rl+1 && ball_Vl<0;
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return lwall || (br_csize && br_bot) || (br_csize && br_up);
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}
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int ball_Vc_test(void)
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{
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const int cwall = ball_Rc<1 || ball_Rc>COL-2;
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const int br_lsize = ball_Rl==bracket_Rl;
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const int br_left = ball_Rc==bracket_Rc-1 && ball_Vc>0;
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const int br_right = ball_Rc==bracket_Rc+3 && ball_Vc<0;
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return cwall || (br_lsize && br_left) || (br_lsize && br_right);
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}
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int main(int argc, char *argv[])
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{
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/*Outer window*/
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initscr();
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startl=LINES/2-LINE/2;
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startc=COLS/2-COL/2;
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/*Color enabled*/
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start_color();
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init_pair(1, COLOR_RED, COLOR_BLACK);
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init_pair(2, COLOR_GREEN, COLOR_BLACK);
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init_pair(3, COLOR_BLUE, COLOR_BLACK);
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init_pair(4, COLOR_YELLOW, COLOR_BLACK);
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/*Cursor hidden*/
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curs_set(0);
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/*Inner window set*/
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inwin = newwin(LINE, COL, startl, startc);
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/*Timeout enabled for wgetch*/
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wtimeout(inwin, 20);
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/*Keypad enabled*/
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keypad(inwin, TRUE);
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DO_TITLE()
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/*Initial blocs*/
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for(int i=0; i<LINE-1; i++)
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{
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if((i>3 && i<10) || (i>23 && i<30))
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{
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blocs0[i]='#';
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}
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else
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{
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blocs0[i]=' ';
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}
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}
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/*First blocs position*/
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wmove(inwin, 2, 1);
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/*Blocs in yellow*/
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wattron(inwin, COLOR_PAIR(4));
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wprintw(inwin, "%s", blocs0);
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wattroff(inwin, COLOR_PAIR(4));
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/*First cursor position*/
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wmove(inwin, bracket_Rl, bracket_Rc);
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/*Cursor in red*/
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wattron(inwin, COLOR_PAIR(1));
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wprintw(inwin, "###");
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wattroff(inwin, COLOR_PAIR(1));
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/*Ball in blue*/
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wmove(inwin, ball_Rl, ball_Rc);
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wattron(inwin, COLOR_PAIR(3));
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wprintw(inwin, "O");
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wattroff(inwin, COLOR_PAIR(3));
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/*Inner window updated*/
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wrefresh(inwin);
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/*Key expected*/
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ch = wgetch(inwin);
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/*Inner window cleared before next update*/
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wclear(inwin);
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while(ch!=(int)'q')
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{
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DO_TITLE()
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/*First blocs position*/
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wmove(inwin, 2, 1);
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/*Blocs in yellow*/
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wattron(inwin, COLOR_PAIR(4));
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wprintw(inwin, "%s", blocs0);
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wattroff(inwin, COLOR_PAIR(4));
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/*Cursor movement*/
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switch(ch)
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{
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case KEY_RIGHT:
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if(bracket_Rc==COL-3)
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wmove(inwin, bracket_Rl, bracket_Rc);
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else
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wmove(inwin, bracket_Rl, ++bracket_Rc);
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break;
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case KEY_LEFT:
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if(bracket_Rc==0)
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wmove(inwin, bracket_Rl, bracket_Rc);
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else
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wmove(inwin, bracket_Rl, --bracket_Rc);
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break;
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case KEY_DOWN:
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if(bracket_Rl==LINE-1)
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wmove(inwin, bracket_Rl, bracket_Rc);
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else
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wmove(inwin, ++bracket_Rl, bracket_Rc);
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break;
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case KEY_UP:
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if(bracket_Rl==0)
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wmove(inwin, bracket_Rl, bracket_Rc);
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else
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wmove(inwin, --bracket_Rl, bracket_Rc);
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break;
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/*No key pushed*/
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case ERR:
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wmove(inwin, bracket_Rl, bracket_Rc);
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break;
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}
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wattron(inwin, COLOR_PAIR(1));
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wprintw(inwin, "###");
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wattroff(inwin, COLOR_PAIR(1));
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/*Ball movement*/
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if(tmr==4)
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{
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if(ball_Vl_test())
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{
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ball_Vl=-ball_Vl;
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}
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if(ball_Vc_test())
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{
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ball_Vc=-ball_Vc;
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}
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ball_Rl=ball_Rl+ball_Vl;
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ball_Rc=ball_Rc+ball_Vc;
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tmr=0;
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}
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else
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{
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tmr+=1;
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}
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wmove(inwin, ball_Rl, ball_Rc);
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wattron(inwin, COLOR_PAIR(3));
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wprintw(inwin, "O");
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wattroff(inwin, COLOR_PAIR(3));
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wrefresh(inwin);
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ch = wgetch(inwin);
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wclear(inwin);
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}
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endwin();
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return EXIT_SUCCESS;
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}
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119
pong_mthread.c
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119
pong_mthread.c
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@ -0,0 +1,119 @@
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/*******************\
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| Pong |
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| By Alnotz |
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\*******************/
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/*
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gcc -o pong_mthread pong_mthread.c `/usr/bin/pkg-config --libs --cflags ncurses` -pthread
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*/
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#include <stdlib.h>
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#include <pthread.h>
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#include <time.h>
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/*Ncurses header*/
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#include <curses.h>
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/*Inner window size*/
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#define LINE 40
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#define COL 80
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/*Threads*/
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pthread_t bracket_th;
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pthread_t ball_th;
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/*Mutex*/
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pthread_mutex_t mtx;
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/*Inner window*/
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WINDOW *inwin;
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/*Cursor position*/
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int cursorl=LINE-1, cursorc=COL/2, startl, startc;
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/*Key number*/
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int ch;
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/*Clock*/
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struct timespec ts;
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char buff[20];
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void *bracket_thread(void *win)
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{
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for(int i=0; i<10; i++)
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{
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pthread_mutex_lock(&mtx);
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wmove(inwin, 1, COL/4);
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wattron(inwin, COLOR_PAIR(2));
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wprintw(inwin, "Thread for bracket done!");
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wattroff(inwin, COLOR_PAIR(2));
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wrefresh(inwin);
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pthread_mutex_unlock(&mtx);
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}
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}
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void *ball_thread(void *win)
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{
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for(int i=0; i<10; i++)
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{
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pthread_mutex_lock(&mtx);
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wmove(inwin, 2, COL/4);
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wattron(inwin, COLOR_PAIR(2));
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wprintw(inwin, "Thread for ball done!");
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wattroff(inwin, COLOR_PAIR(2));
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wrefresh(inwin);
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pthread_mutex_unlock(&mtx);
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}
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}
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int main(int argc, char *argv[])
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{
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/*Outer window*/
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initscr();
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startl=LINES/2-LINE/2;
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startc=COLS/2-COL/2;
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/*Color enabled*/
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start_color();
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init_pair(1, COLOR_RED, COLOR_BLACK);
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init_pair(2, COLOR_GREEN, COLOR_BLACK);
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init_pair(3, COLOR_BLUE, COLOR_BLACK);
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/*Cursor hidden*/
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curs_set(0);
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/*Inner window set*/
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inwin = newwin(LINE, COL, startl, startc);
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/*Multithreading*/
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pthread_mutex_init(&mtx, PTHREAD_MUTEX_NORMAL);
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pthread_create(&bracket_th, NULL, bracket_thread, inwin);
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pthread_create(&ball_th, NULL, ball_thread, inwin);
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/*Timeout enabled for wgetch*/
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wtimeout(inwin, 50);
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/*Keypad enabled*/
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keypad(inwin, TRUE);
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/*Inner border*/
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box(inwin, '|', '-');
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/*Inner window title*/
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wmove(inwin, 0, COL/4);
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wattron(inwin, COLOR_PAIR(2));
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wprintw(inwin, "Push 'q' to quit");
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wmove(inwin, 0, COL-11);
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timespec_get(&ts, TIME_UTC);
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strftime(buff, sizeof buff, "%H:%M\'%S\"", gmtime(&ts.tv_sec));
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wprintw(inwin, "%s", buff);
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wattroff(inwin, COLOR_PAIR(2));
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/*Inner window updated*/
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wrefresh(inwin);
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/*Key expected*/
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ch = wgetch(inwin);
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/*Inner window cleared before next update*/
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wclear(inwin);
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while(ch!=(int)'q')
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{
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/*Inner border*/
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box(inwin, '|', '-');
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/*Inner window title*/
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wmove(inwin, 0, COL/4);
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wattron(inwin, COLOR_PAIR(2));
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wprintw(inwin, "Push 'q' to quit");
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wmove(inwin, 0, COL-11);
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timespec_get(&ts, TIME_UTC);
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strftime(buff, sizeof buff, "%H:%M\'%S\"", gmtime(&ts.tv_sec));
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wprintw(inwin, "%s", buff);
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wattroff(inwin, COLOR_PAIR(2));
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wrefresh(inwin);
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ch = wgetch(inwin);
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wclear(inwin);
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}
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endwin();
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pthread_join(bracket_th, NULL);
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pthread_join(ball_th, NULL);
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pthread_exit(NULL);
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return EXIT_SUCCESS;
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}
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