/* * Com.java * Copyright (C) 2003 * * $Id: Com.java,v 1.6 2004-08-22 18:30:15 hzi Exp $ */ /* Copyright (C) 1997-2001 Id Software, Inc. 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. */ package jake2.qcommon; import jake2.Defines; import jake2.Globals; import jake2.client.CL; import jake2.client.Console; import jake2.game.Cmd; import jake2.server.SV_MAIN; import jake2.sys.Sys; import jake2.util.*; import java.io.*; /** * Com * */ public final class Com { static int com_argc; static String[] com_argv= new String[Defines.MAX_NUM_ARGVS]; public abstract static class RD_Flusher { public abstract void rd_flush(int target, byte[] buffer); } static int rd_target; static byte[] rd_buffer; static int rd_buffersize; static RD_Flusher rd_flusher; public static void BeginRedirect(int target, byte[] buffer, int buffersize, RD_Flusher flush) { if (0 == target || null == buffer || 0 == buffersize || null == flush) return; rd_target= target; rd_buffer= buffer; rd_buffersize= buffersize; rd_flusher= flush; rd_buffer= null; } public static void EndRedirect() { rd_flusher.rd_flush(rd_target, rd_buffer); rd_target= 0; rd_buffer= null; rd_buffersize= 0; rd_flusher= null; } static boolean recursive= false; static String msg= ""; // helper class to replace the pointer-pointer public static class ParseHelp { public ParseHelp(String in) { if (in == null) { data= null; } else { data= in.toCharArray(); } index= 0; } public ParseHelp(char in[]) { this(in, 0); } public ParseHelp(char in[], int offset) { data= in; index= offset; } public char getchar() { // faster than if try { return data[index]; } catch (Exception e) { data= null; // last char return 0; } } public char nextchar() { // faster than if try { index++; return data[index]; } catch (Exception e) { data= null; // avoid int wraps; index--; // last char return 0; } } public char prevchar() { if (index > 0) { index--; return data[index]; } return 0; } public boolean isEof() { return data == null; } public int index; public char data[]; public char skipwhites() { char c; while (((c= getchar()) <= ' ') && c != 0) index++; return c; } public char skipwhitestoeol() { char c; while (((c= getchar()) <= ' ') && c != '\n' && c != 0) index++; return c; } public char skiptoeol() { char c; while ((c= getchar()) != '\n' && c != 0) index++; return c; } } public static char com_token[]= new char[Defines.MAX_TOKEN_CHARS]; // See GameSpanw.ED_ParseEdict() to see how to use it now. public static String Parse(ParseHelp hlp) { int c; int len = 0; if (hlp.data == null) { return ""; } while (true) { // skip whitespace hlp.skipwhites(); if (hlp.isEof()) return ""; // skip // comments if (hlp.getchar() == '/') { if (hlp.nextchar() == '/') { hlp.skiptoeol(); return ""; } else { hlp.prevchar(); break; } } else break; } // handle quoted strings specially if (hlp.getchar() == '\"') { hlp.nextchar(); while (true) { c = hlp.getchar(); hlp.nextchar(); if (c == '\"' || c == 0) { return new String(com_token, 0, len); } if (len < Defines.MAX_TOKEN_CHARS) { com_token[len] = (char) c; len++; } } } // parse a regular word c = hlp.getchar(); do { if (len < Defines.MAX_TOKEN_CHARS) { com_token[len] = (char) c; len++; } c = hlp.nextchar(); } while (c > 32); if (len == Defines.MAX_TOKEN_CHARS) { Com.Printf("Token exceeded " + Defines.MAX_TOKEN_CHARS + " chars, discarded.\n"); len = 0; } return new String(com_token, 0, len); } public static xcommand_t Error_f= new xcommand_t() { public void execute() throws longjmpException { Error(Globals.ERR_FATAL, Cmd.Argv(1)); } }; public static void Error(int code, String fmt) throws longjmpException { Error(code, fmt, null); } public static void Error(int code, String fmt, Vargs vargs) throws longjmpException { // va_list argptr; // static char msg[MAXPRINTMSG]; if (recursive) { Sys.Error("recursive error after: " + msg); } recursive= true; msg= sprintf(fmt, vargs); if (code == Defines.ERR_DISCONNECT) { CL.Drop(); recursive= false; throw new longjmpException(); } else if (code == Defines.ERR_DROP) { Com.Printf("********************\nERROR: " + msg + "\n********************\n"); SV_MAIN.SV_Shutdown("Server crashed: " + msg + "\n", false); CL.Drop(); recursive= false; throw new longjmpException(); } else { SV_MAIN.SV_Shutdown("Server fatal crashed: %s" + msg + "\n", false); CL.Shutdown(); } Sys.Error(msg); } /** * Com_InitArgv checks the number of command line arguments * and copies all arguments with valid length into com_argv. */ static void InitArgv(String[] args) throws longjmpException { if (args.length > Globals.MAX_NUM_ARGVS) { Com.Error(Globals.ERR_FATAL, "argc > MAX_NUM_ARGVS"); } Com.com_argc= args.length; for (int i= 0; i < Com.com_argc; i++) { if (args[i].length() >= Globals.MAX_TOKEN_CHARS) Com.com_argv[i]= ""; else Com.com_argv[i]= args[i]; } } public static void DPrintf(String fmt) { DPrintf(fmt, null); } public static void Printf(String fmt) { Printf(fmt, null); } public static void DPrintf(String fmt, Vargs vargs) { if (Globals.developer == null || Globals.developer.value == 0) return; // don't confuse non-developers with techie stuff... Printf(fmt, vargs); } public static void Printf(String fmt, Vargs vargs) { // TODO Com.Printf ist nur zum testen String msg= sprintf(fmt, vargs); if (rd_target != 0) { if ((msg.length() + Lib.strlen(rd_buffer)) > (rd_buffersize - 1)) { rd_flusher.rd_flush(rd_target, rd_buffer); // *rd_buffer = 0; rd_buffer[rd_buffersize]= '\0'; } // TODO handle rd_buffer // strcat(rd_buffer, msg); return; } Console.Print(msg); // also echo to debugging console Sys.ConsoleOutput(msg); // logfile if (Globals.logfile_active != null && Globals.logfile_active.value != 0) { String name; if (Globals.logfile == null) { name= FS.Gamedir() + "/qconsole.log"; if (Globals.logfile_active.value > 2) try { Globals.logfile= new RandomAccessFile(name, "a"); } catch (FileNotFoundException e) { // TODO: do quake2 error handling! e.printStackTrace(); } else try { Globals.logfile= new RandomAccessFile(name, "rw"); } catch (FileNotFoundException e1) { // TODO: do quake2 error handling! e1.printStackTrace(); } } if (Globals.logfile != null) try { Globals.logfile.writeChars(msg); } catch (IOException e) { // TODO: do quake2 error handling! e.printStackTrace(); } if (Globals.logfile_active.value > 1); // do nothing // fflush (logfile); // force it to save every time } } public static void Println(String fmt) { Printf(fmt); Printf("\n"); } public static void p(String fmt) { Printf(fmt); Printf("\n"); } public static String sprintf(String fmt, Vargs vargs) { String msg= ""; if (vargs == null || vargs.size() == 0) { msg= fmt; } else { msg= new PrintfFormat(fmt).sprintf(vargs.toArray()); } return msg; } public static int Argc() { return Com.com_argc; } public static String Argv(int arg) { if (arg < 0 || arg >= Com.com_argc || Com.com_argv[arg].length() < 1) return ""; return Com.com_argv[arg]; } public static void ClearArgv(int arg) { if (arg < 0 || arg >= Com.com_argc || Com.com_argv[arg].length() < 1) return; Com.com_argv[arg]= ""; } public static void Quit() { SV_MAIN.SV_Shutdown("Server quit\n", false); CL.Shutdown(); if (Globals.logfile != null) { try { Globals.logfile.close(); } catch (IOException e) { } Globals.logfile= null; } Sys.Quit(); } public static void SetServerState(int i) { Globals.server_state= i; } public static int BlockChecksum(byte[] buf, int length) { return MD4.Com_BlockChecksum(buf, length); } public static String StripExtension(String string) { int i = string.lastIndexOf('.'); if (i < 0) return string; return string.substring(0, i); } /** * CRC table. */ static int chktbl[]= { 0x84, 0x47, 0x51, 0xc1, 0x93, 0x22, 0x21, 0x24, 0x2f, 0x66, 0x60, 0x4d, 0xb0, 0x7c, 0xda, 0x88, 0x54, 0x15, 0x2b, 0xc6, 0x6c, 0x89, 0xc5, 0x9d, 0x48, 0xee, 0xe6, 0x8a, 0xb5, 0xf4, 0xcb, 0xfb, 0xf1, 0x0c, 0x2e, 0xa0, 0xd7, 0xc9, 0x1f, 0xd6, 0x06, 0x9a, 0x09, 0x41, 0x54, 0x67, 0x46, 0xc7, 0x74, 0xe3, 0xc8, 0xb6, 0x5d, 0xa6, 0x36, 0xc4, 0xab, 0x2c, 0x7e, 0x85, 0xa8, 0xa4, 0xa6, 0x4d, 0x96, 0x19, 0x19, 0x9a, 0xcc, 0xd8, 0xac, 0x39, 0x5e, 0x3c, 0xf2, 0xf5, 0x5a, 0x72, 0xe5, 0xa9, 0xd1, 0xb3, 0x23, 0x82, 0x6f, 0x29, 0xcb, 0xd1, 0xcc, 0x71, 0xfb, 0xea, 0x92, 0xeb, 0x1c, 0xca, 0x4c, 0x70, 0xfe, 0x4d, 0xc9, 0x67, 0x43, 0x47, 0x94, 0xb9, 0x47, 0xbc, 0x3f, 0x01, 0xab, 0x7b, 0xa6, 0xe2, 0x76, 0xef, 0x5a, 0x7a, 0x29, 0x0b, 0x51, 0x54, 0x67, 0xd8, 0x1c, 0x14, 0x3e, 0x29, 0xec, 0xe9, 0x2d, 0x48, 0x67, 0xff, 0xed, 0x54, 0x4f, 0x48, 0xc0, 0xaa, 0x61, 0xf7, 0x78, 0x12, 0x03, 0x7a, 0x9e, 0x8b, 0xcf, 0x83, 0x7b, 0xae, 0xca, 0x7b, 0xd9, 0xe9, 0x53, 0x2a, 0xeb, 0xd2, 0xd8, 0xcd, 0xa3, 0x10, 0x25, 0x78, 0x5a, 0xb5, 0x23, 0x06, 0x93, 0xb7, 0x84, 0xd2, 0xbd, 0x96, 0x75, 0xa5, 0x5e, 0xcf, 0x4e, 0xe9, 0x50, 0xa1, 0xe6, 0x9d, 0xb1, 0xe3, 0x85, 0x66, 0x28, 0x4e, 0x43, 0xdc, 0x6e, 0xbb, 0x33, 0x9e, 0xf3, 0x0d, 0x00, 0xc1, 0xcf, 0x67, 0x34, 0x06, 0x7c, 0x71, 0xe3, 0x63, 0xb7, 0xb7, 0xdf, 0x92, 0xc4, 0xc2, 0x25, 0x5c, 0xff, 0xc3, 0x6e, 0xfc, 0xaa, 0x1e, 0x2a, 0x48, 0x11, 0x1c, 0x36, 0x68, 0x78, 0x86, 0x79, 0x30, 0xc3, 0xd6, 0xde, 0xbc, 0x3a, 0x2a, 0x6d, 0x1e, 0x46, 0xdd, 0xe0, 0x80, 0x1e, 0x44, 0x3b, 0x6f, 0xaf, 0x31, 0xda, 0xa2, 0xbd, 0x77, 0x06, 0x56, 0xc0, 0xb7, 0x92, 0x4b, 0x37, 0xc0, 0xfc, 0xc2, 0xd5, 0xfb, 0xa8, 0xda, 0xf5, 0x57, 0xa8, 0x18, 0xc0, 0xdf, 0xe7, 0xaa, 0x2a, 0xe0, 0x7c, 0x6f, 0x77, 0xb1, 0x26, 0xba, 0xf9, 0x2e, 0x1d, 0x16, 0xcb, 0xb8, 0xa2, 0x44, 0xd5, 0x2f, 0x1a, 0x79, 0x74, 0x87, 0x4b, 0x00, 0xc9, 0x4a, 0x3a, 0x65, 0x8f, 0xe6, 0x5d, 0xe5, 0x0a, 0x77, 0xd8, 0x1a, 0x14, 0x41, 0x75, 0xb1, 0xe2, 0x50, 0x2c, 0x93, 0x38, 0x2b, 0x6d, 0xf3, 0xf6, 0xdb, 0x1f, 0xcd, 0xff, 0x14, 0x70, 0xe7, 0x16, 0xe8, 0x3d, 0xf0, 0xe3, 0xbc, 0x5e, 0xb6, 0x3f, 0xcc, 0x81, 0x24, 0x67, 0xf3, 0x97, 0x3b, 0xfe, 0x3a, 0x96, 0x85, 0xdf, 0xe4, 0x6e, 0x3c, 0x85, 0x05, 0x0e, 0xa3, 0x2b, 0x07, 0xc8, 0xbf, 0xe5, 0x13, 0x82, 0x62, 0x08, 0x61, 0x69, 0x4b, 0x47, 0x62, 0x73, 0x44, 0x64, 0x8e, 0xe2, 0x91, 0xa6, 0x9a, 0xb7, 0xe9, 0x04, 0xb6, 0x54, 0x0c, 0xc5, 0xa9, 0x47, 0xa6, 0xc9, 0x08, 0xfe, 0x4e, 0xa6, 0xcc, 0x8a, 0x5b, 0x90, 0x6f, 0x2b, 0x3f, 0xb6, 0x0a, 0x96, 0xc0, 0x78, 0x58, 0x3c, 0x76, 0x6d, 0x94, 0x1a, 0xe4, 0x4e, 0xb8, 0x38, 0xbb, 0xf5, 0xeb, 0x29, 0xd8, 0xb0, 0xf3, 0x15, 0x1e, 0x99, 0x96, 0x3c, 0x5d, 0x63, 0xd5, 0xb1, 0xad, 0x52, 0xb8, 0x55, 0x70, 0x75, 0x3e, 0x1a, 0xd5, 0xda, 0xf6, 0x7a, 0x48, 0x7d, 0x44, 0x41, 0xf9, 0x11, 0xce, 0xd7, 0xca, 0xa5, 0x3d, 0x7a, 0x79, 0x7e, 0x7d, 0x25, 0x1b, 0x77, 0xbc, 0xf7, 0xc7, 0x0f, 0x84, 0x95, 0x10, 0x92, 0x67, 0x15, 0x11, 0x5a, 0x5e, 0x41, 0x66, 0x0f, 0x38, 0x03, 0xb2, 0xf1, 0x5d, 0xf8, 0xab, 0xc0, 0x02, 0x76, 0x84, 0x28, 0xf4, 0x9d, 0x56, 0x46, 0x60, 0x20, 0xdb, 0x68, 0xa7, 0xbb, 0xee, 0xac, 0x15, 0x01, 0x2f, 0x20, 0x09, 0xdb, 0xc0, 0x16, 0xa1, 0x89, 0xf9, 0x94, 0x59, 0x00, 0xc1, 0x76, 0xbf, 0xc1, 0x4d, 0x5d, 0x2d, 0xa9, 0x85, 0x2c, 0xd6, 0xd3, 0x14, 0xcc, 0x02, 0xc3, 0xc2, 0xfa, 0x6b, 0xb7, 0xa6, 0xef, 0xdd, 0x12, 0x26, 0xa4, 0x63, 0xe3, 0x62, 0xbd, 0x56, 0x8a, 0x52, 0x2b, 0xb9, 0xdf, 0x09, 0xbc, 0x0e, 0x97, 0xa9, 0xb0, 0x82, 0x46, 0x08, 0xd5, 0x1a, 0x8e, 0x1b, 0xa7, 0x90, 0x98, 0xb9, 0xbb, 0x3c, 0x17, 0x9a, 0xf2, 0x82, 0xba, 0x64, 0x0a, 0x7f, 0xca, 0x5a, 0x8c, 0x7c, 0xd3, 0x79, 0x09, 0x5b, 0x26, 0xbb, 0xbd, 0x25, 0xdf, 0x3d, 0x6f, 0x9a, 0x8f, 0xee, 0x21, 0x66, 0xb0, 0x8d, 0x84, 0x4c, 0x91, 0x45, 0xd4, 0x77, 0x4f, 0xb3, 0x8c, 0xbc, 0xa8, 0x99, 0xaa, 0x19, 0x53, 0x7c, 0x02, 0x87, 0xbb, 0x0b, 0x7c, 0x1a, 0x2d, 0xdf, 0x48, 0x44, 0x06, 0xd6, 0x7d, 0x0c, 0x2d, 0x35, 0x76, 0xae, 0xc4, 0x5f, 0x71, 0x85, 0x97, 0xc4, 0x3d, 0xef, 0x52, 0xbe, 0x00, 0xe4, 0xcd, 0x49, 0xd1, 0xd1, 0x1c, 0x3c, 0xd0, 0x1c, 0x42, 0xaf, 0xd4, 0xbd, 0x58, 0x34, 0x07, 0x32, 0xee, 0xb9, 0xb5, 0xea, 0xff, 0xd7, 0x8c, 0x0d, 0x2e, 0x2f, 0xaf, 0x87, 0xbb, 0xe6, 0x52, 0x71, 0x22, 0xf5, 0x25, 0x17, 0xa1, 0x82, 0x04, 0xc2, 0x4a, 0xbd, 0x57, 0xc6, 0xab, 0xc8, 0x35, 0x0c, 0x3c, 0xd9, 0xc2, 0x43, 0xdb, 0x27, 0x92, 0xcf, 0xb8, 0x25, 0x60, 0xfa, 0x21, 0x3b, 0x04, 0x52, 0xc8, 0x96, 0xba, 0x74, 0xe3, 0x67, 0x3e, 0x8e, 0x8d, 0x61, 0x90, 0x92, 0x59, 0xb6, 0x1a, 0x1c, 0x5e, 0x21, 0xc1, 0x65, 0xe5, 0xa6, 0x34, 0x05, 0x6f, 0xc5, 0x60, 0xb1, 0x83, 0xc1, 0xd5, 0xd5, 0xed, 0xd9, 0xc7, 0x11, 0x7b, 0x49, 0x7a, 0xf9, 0xf9, 0x84, 0x47, 0x9b, 0xe2, 0xa5, 0x82, 0xe0, 0xc2, 0x88, 0xd0, 0xb2, 0x58, 0x88, 0x7f, 0x45, 0x09, 0x67, 0x74, 0x61, 0xbf, 0xe6, 0x40, 0xe2, 0x9d, 0xc2, 0x47, 0x05, 0x89, 0xed, 0xcb, 0xbb, 0xb7, 0x27, 0xe7, 0xdc, 0x7a, 0xfd, 0xbf, 0xa8, 0xd0, 0xaa, 0x10, 0x39, 0x3c, 0x20, 0xf0, 0xd3, 0x6e, 0xb1, 0x72, 0xf8, 0xe6, 0x0f, 0xef, 0x37, 0xe5, 0x09, 0x33, 0x5a, 0x83, 0x43, 0x80, 0x4f, 0x65, 0x2f, 0x7c, 0x8c, 0x6a, 0xa0, 0x82, 0x0c, 0xd4, 0xd4, 0xfa, 0x81, 0x60, 0x3d, 0xdf, 0x06, 0xf1, 0x5f, 0x08, 0x0d, 0x6d, 0x43, 0xf2, 0xe3, 0x11, 0x7d, 0x80, 0x32, 0xc5, 0xfb, 0xc5, 0xd9, 0x27, 0xec, 0xc6, 0x4e, 0x65, 0x27, 0x76, 0x87, 0xa6, 0xee, 0xee, 0xd7, 0x8b, 0xd1, 0xa0, 0x5c, 0xb0, 0x42, 0x13, 0x0e, 0x95, 0x4a, 0xf2, 0x06, 0xc6, 0x43, 0x33, 0xf4, 0xc7, 0xf8, 0xe7, 0x1f, 0xdd, 0xe4, 0x46, 0x4a, 0x70, 0x39, 0x6c, 0xd0, 0xed, 0xca, 0xbe, 0x60, 0x3b, 0xd1, 0x7b, 0x57, 0x48, 0xe5, 0x3a, 0x79, 0xc1, 0x69, 0x33, 0x53, 0x1b, 0x80, 0xb8, 0x91, 0x7d, 0xb4, 0xf6, 0x17, 0x1a, 0x1d, 0x5a, 0x32, 0xd6, 0xcc, 0x71, 0x29, 0x3f, 0x28, 0xbb, 0xf3, 0x5e, 0x71, 0xb8, 0x43, 0xaf, 0xf8, 0xb9, 0x64, 0xef, 0xc4, 0xa5, 0x6c, 0x08, 0x53, 0xc7, 0x00, 0x10, 0x39, 0x4f, 0xdd, 0xe4, 0xb6, 0x19, 0x27, 0xfb, 0xb8, 0xf5, 0x32, 0x73, 0xe5, 0xcb, 0x32, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; static byte chkb[] = new byte [60 + 4]; /** * Calculates a crc checksum-sequence over an array. */ public static byte BlockSequenceCRCByte(byte base[], int offset, int length, int sequence) { int n; int p_ndx; short x; short crc; if (sequence < 0) Sys.Error("sequence < 0, this shouldn't happen\n"); //p_ndx = (sequence % (sizeof(chktbl) - 4)); p_ndx = (sequence % (1024 - 4)); //memcpy(chkb, base, length); System.arraycopy(base, offset , chkb, 0, Math.max(60, length)); chkb[length]= (byte) chktbl[p_ndx + 0]; chkb[length + 1]= (byte) chktbl[p_ndx + 1]; chkb[length + 2]= (byte) chktbl[p_ndx + 2]; chkb[length + 3]= (byte) chktbl[p_ndx + 3]; length += 4; crc = CRC.CRC_Block(chkb, length); for (x= 0, n= 0; n < length; n++) x += chkb[n]; crc ^= x; return (byte)(crc & 0xFF); } }