Move 1988-2004 entries into subdirs
We we move 1988-2004 entries from all of a year's winning entries in a single directory to each winner being in their own sub-directory under the given year directory.
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Landon Curt Noll committed
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#include <unistd.h>
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#include <curses.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <netdb.h>
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#include <sys/time.h>
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#define o0(M,W) mvprintw(W,M?M-1:M,"%s%s ",M?" ":"",_)
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#define O0(M,W) M##M=(M+=W##M)-W##M
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#define l1(M,W) M.tv_##W##sec
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#define L1(m,M,l,L,o,O) for(L=l;L--;)((char*)(m))[o]=((char*)(M))[O]
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#define I1 lL,(struct sockaddr*)&il
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#define i1 COLS
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#define j LINES
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#define L_ ((j%2)?j:j-1)
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fd_set I;struct socka\
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ddr_in il;struct host\
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ent*LI; struct timeval
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IL,l;char L[9],_[1<<9]
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;void ___(int __
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){_[__--]=+0;if(
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++__)___(--__);_
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[__]='=';}double
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o,oo=+0,Oo=+0.2;
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long O,OO=0,oO=1
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,ii,iI,Ii,Ll,lL,
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II=sizeof(il),Il
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,ll,LL=0,i=0,li,
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lI;int main(int\
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iL,char *Li[]){\
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initscr();cbreak
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();noecho();nonl
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();___(lI=i1/4);
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_[0]='[';_[lI-1]
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=']';L1(&il,&_,\
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II,O,+O,+lI);il.
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sin_port=htons((
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unsigned long)(\
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PORT&0xffff));lL
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=l_;if(iL=!--iL)
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{il. sin_addr .\
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s_addr=0;bind(I1
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,II);listen(lL,5
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);lL=accept(I1,&
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II);}else{oO-=2;
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LI=gethostbyname
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(Li[1]);L1(&(il.
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sin_addr),(*LI).
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h_addr_list[0],\
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LI->h_length,iI,
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iI,iI);(*(&il)).
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sin_family=(&(*\
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LI))->h_addrtype
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;connect(I1,II);
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}ii=Ii=(o=i1*0.5
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)-lI/2;iI=L_-1;O
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=li=L_*0.5;while
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(_){mvaddch(+OO,
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oo,' ');o0(ii,iI
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);o0(Ii,Il-=Il);
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mvprintw(li-1,Il
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,"%d\n\n%d",i,LL
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);mvhline(li,+0,
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'-',i1);mvaddch(
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O,o,'*');move(li
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,Il);refresh();\
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timeout(+SPEED);
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gettimeofday(&IL
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,+0);Ll=getch();
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timeout(0);while
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(getch()!=ERR);\
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if(Ll=='q'&&iL)\
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write(lL,_+1,1);
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if(ii>(ll=0)&&Ll
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==','){write(lL,
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_,-(--Il));}else
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if(Ll=='.'&&ii+\
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lI<i1){write(lL,
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_+lI,++Il);}else
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if(iL||!Il)write
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(lL,_+lI-1,4-3);
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gettimeofday(&l,
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0);II=((II=l1(IL
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,)+(l1(l,u)-=l1(
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IL,u))-l1(l,)+(\
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l1(l,)-=l1(IL,))
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)<0)?1+II-l1(l,)
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+1e6+(--l1(l,)):
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II;usleep((II+=\
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l1(l,)*1e6-SPEED
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*1e3)<0?-II:+0);
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if(Ll=='q'&&!iL)
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break;FD_ZERO(&I
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);FD_SET(lL,&I);
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memset(&*&IL,ll,
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sizeof(l));if((\
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Ll=select(lL+1,&
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I,0,0,&IL)));{if
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(read(lL,&L,ll+1
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)){if(!*L){ll++;
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}else if(*L==ll[
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_]){ll--; }else\
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if(*(&(*L))==1[_
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]){break;}}else{
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break;}}O0(o,O);
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O0(O,o);if(o<0){
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o*=-1;Oo*=-1;}if
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(o>i1){o=i1+i1-o
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;Oo*=-1;}if(o>=(
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Ii+=ll)&&O<1&&oO
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<0&&o<Ii+lI){O=2
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;oO=~--oO;Oo+=ll
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*4e-1;}if(O<0){O
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=iI;LL++;}if(o>=
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(ii+=Il)&&O>iI-1
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&&oO>0&&o<ii+lI){O=iI-
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2;oO=~--oO;Oo+=Il*4e-1
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;}if(+O>+iI){O-=O;i++;
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}}endwin();return(0);}
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@@ -0,0 +1,195 @@
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Best Curses Game:
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Kevin Pulo
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School of Information Technologies
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Madsen Building F09
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University of Sydney, NSW, 2006
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Australia
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http://www.kev.pulo.com.au/
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Judge's Remarks:
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To build:
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make kev
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Try:
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./kev
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and then in another window,
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./kev localhost
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Continuing with this year's "retro game" theme, this is another old game;
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arguably, one of the oldest. Requires a functioning network, and curses.
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The graphics aren't the impressive part; the graphics and network are.
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How many games come out at $50 and still require you to wait for a patch
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to come out before you can play multiplayer? This one works out of the
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box.
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Selected Author's Comments:
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NETWORK P*NG!
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[=================]
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Kevin Pulo
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kev@pulo.com.au
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REQUIREMENTS
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------------
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* TCP sockets
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* curses
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* usleep
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DESCRIPTION
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-----------
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This program is a two-player networked version of the eighties
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arcade classic, "pong". It uses standard TCP sockets to
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communicate over the net, and ncurses for display. It supports
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variable terminal sizes (though both players must have the same
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terminal size) and game speeds. Each player has a paddle to hit
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the ball, and you get points for getting the ball past your
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opponent's paddle. It's pretty fun! :)
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RUNNING
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-------
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Run the server first without any command line arguments, ie.
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./kev
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Then run the client with a single command line argument which is
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the name of the machine running the server, eg.
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./kev localhost
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Make sure that the terminals on both ends are the same size.
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Also, the TCP port number specified in the build file mustn't be
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blocked by a firewall.
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Here's a good quick example to see it in action on your own
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machine, assuming you have Xwindows:
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xterm -geometry 80x40 -fg green -bg black -fn 9x15bold -e ./kev &
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xterm -geometry 80x40 -fg green -bg black -fn 9x15bold -e ./kev localhost&
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PLAYING
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-------
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Your paddle is the one at the bottom of the screen, your opponent
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is at the top. To move your paddle left, hold down ',' (ie. '<'
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but don't press shift). To move your paddle right, hold down '.'.
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To quit, either player may press 'q'.
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The current score is shown on the left side of the halfway line.
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Your score is the lower number, your opponents score is the upper
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number. Your score is the number of times your opponent has
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missed the ball.
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You can control the speed of the ball by the motion of your paddle
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when the ball hits it. If your paddle is still, then the ball
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just bounces normally off it. If your paddle is moving in the
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same direction as the ball, then the ball's speed in that
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direction will increase. If your paddle is moving in the opposite
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direction to the ball, then the ball's speed in that direction
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will decrease (or if the ball is going slowly enough, it'll turn
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around).
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You might want to increase your keyboard repeat rate before
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playing. On the Linux console try "kbdrate -r 24.0 -d 250"
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(kbdrate might be "hidden" from normal users in /sbin, and you
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might need to be root anyway), in Xwindows try "xset r rate 250
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24" (find out your current rate first with "xset q", so that you
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can reset it later).
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Look below in the Building section for info on how to speed up or
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slow down the game (useful if your increase or decrease the
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terminal size).
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BUILDING
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--------
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Just run the Makefile as above. The "SPEED" variable in the Makefile
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controls the speed of the game (defaults to 50). This speed is
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the delay between frames in milliseconds. Thus a value of 0 will
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make the game go as fast as your network can handle, and values
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less than 50 are useful for larger terminals or more exciting
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games. The program needs bandwidth equal to 1/s bytes per second
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(where "s" is the speed value). Any latency on the network will
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be added to s - so you should probably subtract any latency from
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the value of s you want to have. Given that loopback and fast
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Ethernet LANs are both much less than 1ms of latency, you should
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only need to worry about this if you plan on playing over a slower
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link like a cable modem, DSL, or (God-forbid) dialup.
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The TCP port to use for network communications is specified by the
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"PORT" variable in the Makefile. If the default of 5455 is
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blocked for whatever reason, you can change it to something else.
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Of course if you use a port < 1024, you'll need to be root.
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OBFUSCATION
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-----------
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The program's broad structure is fairly straightforward, but
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individual tasks are rarely done in a straightforward manner. ;)
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Identifier names have mostly been chosen to resemble paddles and
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balls, and to generally decrease readability.
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The source has been cleverly formatted to resemble one of the
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paddles from the game, rotated 90 degrees. ;) (The "source
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paddle" has approximately the same aspect ratio as the game at 80
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columns wide, which is 1:10.)
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Finally, the number of "non-whitespace characters" (as defined by
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the rules) in the file is exactly 2048, which I think is rather
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unexpectedly cool. :)
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BUGS
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----
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There are 3 warnings when I compile with gcc 2.95.3 (-Wall -ansi
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-pedantic) on my Linux system, but all are completely harmless.
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I don't like the curses and/or termcaps/terminfos on IRIX and
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Solaris (the only two non-Linux systems I have access to).
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Despite calling timeout(0), notimeout(win, TRUE), nodelay(win,
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TRUE) and/or keypad(win, FALSE), it still seems to force a delay
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into calls to getch() - I'm guessing at a termcap/terminfo level.
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At any rate, I can't seem to force no delay. This is a shame,
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because it basically plays havoc with the input code, particularly
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the read-ahead canceller. It still works, but not nearly as well
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(keypresses are dodgey and holding down keys doesn't always work),
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and so I _much_ prefer and recommend Linux libncurses.
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Sometimes when 'q' is pressed in one, the other will crash out
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with "Broken pipe".
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If the specified port can't be bound or connected to, the program
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segfaults.
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If your terminal is too wide (we're talking gigantic here - over
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500 characters wide) then the program can segfault. It's also
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possible to crash the program a player scores over a billion
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points (1e9). Maybe you can consider that the goal... ;)
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If you run the client and server on different architectures, both
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architectures need to have the same character systems (ie. don't
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try mixing ASCII and EBCDIC). It is independent of endianness
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though.
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