#!bin/pike
/*
 * Caudium - An extensible World Wide Web server
 * Copyright © 2000-2003 The Caudium Group
 * Copyright © 1994-2001 Roxen Internet Software
 * 
 * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */

/* A Tetris protocol. Telnet to this port and you can play
 * tetris. Obfuscated just because it always was. Is also a standalone
 * program it seems...
 */

// $Id: tetris.pike,v 1.5.4.3 2002/12/31 23:28:53 grendel Exp $
#define IAC "\377"
#define DONT "\376"
#define DO "\375"
#define WONT "\374"
#define WILL "\373"
#define SB "\372"
#define TELOPT_ECHO "\001"
#define TELOPT_SGA "\003"
#define TELOPT_LINEMODE "\042"
#define LM_MODE "\001"
#define SE "\360"
import Simulate;mixed a,h,Q,e=([]),q=Q=([]),c,s,I,_,j,K,x=252,m,f=map(values(
"H45BBI65@CJ@BMED45@GM@LBFP@NBHS@BCDA5@LBB5BNCK5BMEL5@BEC5@MEN5MNFO6@BFE45MFQ6"
"5MHR4B@HF5MLHG5MYD"),`-,65),n=25,io,tm;int u(){foreach(sort(indices(Q)),_)_>11
&&_<264&&Q[_]-e[_]&&io->write((_-++I||_%12<1?sprintf("\33[%d;%dH",(I=_)/12,_%12
*2+28):"")+(Q[_]-K?(K=Q[_])?"\33[7;3"+K+"m":"\33[0m":"")+"  ");Q=([263:7]);e=q+
Q;e[263]=0;}int g(int b){for(_=4;_--;Q[m=_?x+f[n+_]:x]=q[m]=b&&f[n+4]);}int G(
int b){for(_=4;_--;)if(q[_?b+f[n+_]:b])return 1;}int z(int p);void tick(){h-=h/
3e3;call_out(tick,h);g(0);if(G(x+12)){g(++s);for(m=j=0;++j<252;)if(q[j]?++m>9&&
j%12==10:(m=0)){for(;j%12;q[j]=Q[j--]=0);for(;--j;q[j+12]=Q[j+12]=q[j]);}n=
random(7)*5;G(x=17)&&z(1);}else x+=12;g(7);u();}void keypress(mixed id, string
Z){g(0);foreach(values(Z),int c){if(c=search(a,c)+1){if(c==1)G(--x)&&++x;if(c==
2){n=5*f[m=n];G(x)&&(n=m);}if(c==3)G(++x)&&--x;if(c==4)for(;!G(x+12);++s)x+=12;
if(c>4)if(z(c>5))return;}}g(7);u();}void pause(mixed foo, string Z){int i=
search(values(Z),a[4]);if(i==-1)return;io->write("\33[H\33[J\33[7m");h=m;
call_out(tick,h);keypress(foo,Z[i+1..]);io->set_read_callback(keypress);}int z(
int p){io->write("\33[H\33[J\33[0m"+s+"\n");
#if constant(roxen)
catch{Q=caudium->retrieve("tetris-highscores",0)->idi;};if(!Q)
#endif
Q=({});if(p){io->normal();Q+=({ ({s,tm+"\n"}) });}sort(Q);j=([]);foreach(
reverse(Q),m)if(++j[m[1]]<4&&(io->write(sprintf("\t%5d by %s\r",m[0],m[1])),j[0
]++>19))break;m=h;
#if constant(roxen)
catch{caudium->store("tetris-highscores",(["idi":({Q})]),0,0);};
#endif
if(p){io->quit();destruct(this_object());return 1;}io->raw();Q=q;K=0;e=([]);
remove_call_out(tick);io->set_read_callback(pause);return 1;}void tetris2(
string name){sscanf(name,"%[a-zA-Z0-9åäöÅÄÖüÜ]s\n",name);if(!strlen(name)){io->
get_name(tetris2);}else{tm=name;io->raw();io->set_read_callback(keypress);
call_out(tick,h);for(;++_<277;)q[276-_]=(_<25||_%12<2)&&7;io->write("\33[H\33["
"J");u();}}void tetris(object input){a=values("jkl pq");h=0.5;io=input;input->
get_name(tetris2);}class telnet{inherit Stdio.File;mixed whendone;void
do_get_name(mixed id, string name){whendone(name);}string get_name(mixed w){
whendone=w;write("What is your name? ");set_read_callback(do_get_name);}void
create(object f){assign(f);destruct(f);}void raw(){write(IAC DO TELOPT_LINEMODE
IAC SB TELOPT_LINEMODE LM_MODE "\000" SE IAC WILL TELOPT_ECHO IAC DO TELOPT_SGA
IAC WONT TELOPT_SGA);}void normal(){write(IAC DO TELOPT_ECHO IAC DO
TELOPT_LINEMODE);}void quit(){destruct(this_object());}}void create(object f){if(f)tetris(telnet(f));}class console{inherit Stdio.File;string get_name(mixed
whendone){whendone(Process.popen("id -un"));}void create(){File::create("stdin"
);}void raw(){Process.system("stty raw cbreak -echo stop u");}void normal(){
Process.system("stty sane");}void quit(){exit(0);}}int main(){tetris(console())
;return -1;}
