diff --git a/source/Makefile.am b/source/Makefile.am index 6264b6b..c8768c9 100644 --- a/source/Makefile.am +++ b/source/Makefile.am @@ -49,6 +49,8 @@ common_ASM= sys_ia32.S worlda.S $(math_ASM) #endif common_SOURCES= crc.c cvar.c cmd.c mathlib.c wad.c world.c \ + msg.c sizebuf.c qendian.c qargs.c quakefs.c \ + va.c quakeio.c link.c com.c \ zone.c $(common_ASM) # diff --git a/source/cmd.c b/source/cmd.c index 821e531..95d93f2 100644 --- a/source/cmd.c +++ b/source/cmd.c @@ -1,7 +1,7 @@ /* cmd.c - @description@ + script command processing module Copyright (C) 1996-1997 Id Software, Inc. @@ -27,22 +27,27 @@ */ #ifdef HAVE_CONFIG_H -# include "config.h" +# include #endif #include +#include +#ifdef HAVE_STRINGS_H +#include +#endif +#include -#include "cmd.h" -#include "host.h" -#include "client.h" #include "msg.h" -#include "quakefs.h" -#include "qargs.h" -#include "zone.h" -#include "console.h" #include "sys.h" -#include "sizebuf.h" +#include "cmd.h" #include "cvar.h" +#include "sizebuf.h" +#include "console.h" +#include "host.h" +#include "qargs.h" +#include "quakefs.h" +#include "zone.h" +#include "client.h" void Cmd_ForwardToServer (void); @@ -56,12 +61,10 @@ typedef struct cmdalias_s } cmdalias_t; cmdalias_t *cmd_alias; - -int trashtest; -int *trashspot; - +cmd_source_t cmd_source; qboolean cmd_wait; +cvar_t *cl_warncmd; //============================================================================= /* @@ -87,6 +90,7 @@ void Cmd_Wait_f (void) */ sizebuf_t cmd_text; +byte cmd_text_buf[8192]; /* ============ @@ -95,10 +99,10 @@ Cbuf_Init */ void Cbuf_Init (void) { - SZ_Alloc (&cmd_text, 8192); // space for commands and script files + cmd_text.data = cmd_text_buf; + cmd_text.maxsize = sizeof(cmd_text_buf); } - /* ============ Cbuf_AddText @@ -109,7 +113,7 @@ Adds command text at the end of the buffer void Cbuf_AddText (char *text) { int l; - + l = strlen (text); if (cmd_text.cursize + l >= cmd_text.maxsize) @@ -117,7 +121,6 @@ void Cbuf_AddText (char *text) Con_Printf ("Cbuf_AddText: overflow\n"); return; } - SZ_Write (&cmd_text, text, strlen (text)); } @@ -131,6 +134,7 @@ Adds a \n to the text FIXME: actually change the command buffer to do less copying ============ */ +#if 0 // Tonik void Cbuf_InsertText (char *text) { char *temp; @@ -140,72 +144,103 @@ void Cbuf_InsertText (char *text) templen = cmd_text.cursize; if (templen) { - temp = Z_Malloc (templen); + temp = malloc (templen); memcpy (temp, cmd_text.data, templen); SZ_Clear (&cmd_text); } else temp = NULL; // shut up compiler - + // add the entire text of the file Cbuf_AddText (text); - + SZ_Write (&cmd_text, "\n", 1); // add the copied off data if (templen) { SZ_Write (&cmd_text, temp, templen); - Z_Free (temp); + free (temp); + } +} +#else +void Cbuf_InsertText (char *text) +{ + int textlen; + + textlen = strlen(text); + if (cmd_text.cursize + 1 + textlen >= cmd_text.maxsize) + { + Con_Printf ("Cbuf_InsertText: overflow\n"); + return; + } + + if (!cmd_text.cursize) + { + memcpy (cmd_text.data, text, textlen); + cmd_text.cursize = textlen; + return; + } + + // Move up to make room for inserted text + memmove (cmd_text.data + textlen + 1, cmd_text.data, cmd_text.cursize); + cmd_text.cursize += textlen + 1; + + // Insert new text + memcpy (cmd_text.data, text, textlen); + cmd_text.data[textlen] = '\n'; +} +#endif + + +static void +extract_line(char *line) +{ + int i; + char *text; + int quotes; + + // find a \n or ; line break + text = (char *)cmd_text.data; + quotes = 0; + for (i=0 ; i< cmd_text.cursize ; i++) { + if (text[i] == '"') + quotes++; + if ( !(quotes&1) && text[i] == ';') + break; // don't break if inside a quoted string + if (text[i] == '\n' || text[i] == '\r') + break; + } + + memcpy (line, text, i); + line[i] = '\0'; + // delete the text from the command buffer and move remaining commands down + // this is necessary because commands (exec, alias) can insert data at the + // beginning of the text buffer + + if (i == cmd_text.cursize) + cmd_text.cursize = 0; + else { + i++; + cmd_text.cursize -= i; + memcpy (text, text+i, cmd_text.cursize); } } /* -============ -Cbuf_Execute -============ + + Cbuf_Execute + */ -void Cbuf_Execute (void) +void +Cbuf_Execute (void) { - int i; - char *text; - char line[1024]; - int quotes; - - while (cmd_text.cursize) - { -// find a \n or ; line break - text = (char *)cmd_text.data; + char line[1024] = {0}; - quotes = 0; - for (i=0 ; i< cmd_text.cursize ; i++) - { - if (text[i] == '"') - quotes++; - if ( !(quotes&1) && text[i] == ';') - break; // don't break if inside a quoted string - if (text[i] == '\n') - break; - } - - - memcpy (line, text, i); - line[i] = 0; - -// delete the text from the command buffer and move remaining commands down -// this is necessary because commands (exec, alias) can insert data at the -// beginning of the text buffer - - if (i == cmd_text.cursize) - cmd_text.cursize = 0; - else - { - i++; - cmd_text.cursize -= i; - memcpy (text, text+i, cmd_text.cursize); - } - -// execute the command line + while (cmd_text.cursize) { + extract_line (line); + // execute the command line + //Con_DPrintf("+%s\n",line), Cmd_ExecuteString (line, src_command); - + if (cmd_wait) { // skip out while text still remains in buffer, leaving it // for next frame @@ -214,6 +249,25 @@ void Cbuf_Execute (void) } } } +/* + + Cbuf_Execute + +*/ +void +Cbuf_Execute_Sets (void) +{ + char line[1024] = {0}; + + while (cmd_text.cursize) { + extract_line (line); + // execute the command line + if (strncmp(line,"set",3)==0 + && isspace((int) line[3])) + //Con_DPrintf("+%s\n",line), + Cmd_ExecuteString (line, src_command); + } +} /* ============================================================================== @@ -237,66 +291,74 @@ void Cmd_StuffCmds_f (void) { int i, j; int s; - char *text, *build, c; - - if (Cmd_Argc () != 1) - { - Con_Printf ("stuffcmds : execute command line parameters\n"); - return; - } + char *build, c; -// build the combined string to parse from - s = 0; - for (i=1 ; ivalue || developer->value)) + Con_Printf ("execing %s\n",Cmd_Argv(1)); + Cbuf_InsertText (f); Hunk_FreeToLowMark (mark); } @@ -338,7 +402,7 @@ Just prints the rest of the line to the console void Cmd_Echo_f (void) { int i; - + for (i=1 ; iname)) { - Z_Free (a->value); + free (a->value); break; } } if (!a) { - a = Z_Malloc (sizeof(cmdalias_t)); + a = calloc (1, sizeof(cmdalias_t)); a->next = cmd_alias; cmd_alias = a; } - strcpy (a->name, s); + strcpy (a->name, s); // copy the rest of the command line cmd[0] = 0; // start out with a null string @@ -411,10 +475,45 @@ void Cmd_Alias_f (void) strcat (cmd, " "); } strcat (cmd, "\n"); - + a->value = CopyString (cmd); } +void Cmd_UnAlias_f (void) +{ + cmdalias_t *a, *prev; + char *s; + + if (Cmd_Argc() != 2) + { + Con_Printf ("unalias : erase an existing alias\n"); + return; + } + + s = Cmd_Argv(1); + if (strlen(s) >= MAX_ALIAS_NAME) + { + Con_Printf ("Alias name is too long\n"); + return; + } + + prev = cmd_alias; + for (a = cmd_alias ; a ; a = a->next) + { + if (!strcmp(s, a->name)) + { + free (a->value); + prev->next = a->next; + if (a == cmd_alias) + cmd_alias = a->next; + free (a); + return; + } + prev = a; + } + Con_Printf ("Unknown alias \"%s\"\n", s); +} + /* ============================================================================= @@ -438,29 +537,10 @@ static char *cmd_argv[MAX_ARGS]; static char *cmd_null_string = ""; static char *cmd_args = NULL; -cmd_source_t cmd_source; static cmd_function_t *cmd_functions; // possible commands to execute -/* -============ -Cmd_Init -============ -*/ -void Cmd_Init (void) -{ -// -// register our commands -// - Cmd_AddCommand ("stuffcmds",Cmd_StuffCmds_f); - Cmd_AddCommand ("exec",Cmd_Exec_f); - Cmd_AddCommand ("echo",Cmd_Echo_f); - Cmd_AddCommand ("alias",Cmd_Alias_f); - Cmd_AddCommand ("cmd", Cmd_ForwardToServer); - Cmd_AddCommand ("wait", Cmd_Wait_f); -} - /* ============ Cmd_Argc @@ -478,18 +558,22 @@ Cmd_Argv */ char *Cmd_Argv (int arg) { - if ( (unsigned)arg >= cmd_argc ) + if ( arg >= cmd_argc ) return cmd_null_string; - return cmd_argv[arg]; + return cmd_argv[arg]; } /* ============ Cmd_Args + +Returns a single string containing argv(1) to argv(argc()-1) ============ */ char *Cmd_Args (void) { + if (!cmd_args) + return ""; return cmd_args; } @@ -503,23 +587,22 @@ Parses the given string into command line tokens. */ void Cmd_TokenizeString (char *text) { - int i; - -// clear the args from the last string - for (i=0 ; i 1024) + { + Con_Printf ("Cmd_TokenizeString: overflow\n"); + return; + } + cmd_argv[cmd_argc] = argv_buf + argv_idx; strcpy (cmd_argv[cmd_argc], com_token); + argv_idx += strlen(com_token) + 1; + cmd_argc++; } } - + } @@ -555,17 +645,17 @@ Cmd_AddCommand void Cmd_AddCommand (char *cmd_name, xcommand_t function) { cmd_function_t *cmd; - + if (host_initialized) // because hunk allocation would get stomped Sys_Error ("Cmd_AddCommand after host_initialized"); - + // fail if the command is a variable name if (Cvar_VariableString(cmd_name)[0]) { Con_Printf ("Cmd_AddCommand: %s already defined as a var\n", cmd_name); return; } - + // fail if the command already exists for (cmd=cmd_functions ; cmd ; cmd=cmd->next) { @@ -612,20 +702,112 @@ char *Cmd_CompleteCommand (char *partial) { cmd_function_t *cmd; int len; - + cmdalias_t *a; + len = strlen(partial); - + if (!len) return NULL; - -// check functions + +// check for exact match for (cmd=cmd_functions ; cmd ; cmd=cmd->next) - if (!strncmp (partial,cmd->name, len)) + if (!strcasecmp (partial, cmd->name)) return cmd->name; + for (a=cmd_alias ; a ; a=a->next) + if (!strcasecmp (partial, a->name)) + return a->name; + +// check for partial match + for (cmd=cmd_functions ; cmd ; cmd=cmd->next) + if (!strncasecmp (partial, cmd->name, len)) + return cmd->name; + for (a=cmd_alias ; a ; a=a->next) + if (!strncasecmp (partial, a->name, len)) + return a->name; return NULL; } +/* +============ +Cmd_ExpandVariables + +Expand $fov-like expressions +FIXME: better handling of buffer overflows? +============ +*/ +// dest must point to a 1024-byte buffer +void Cmd_ExpandVariables (char *data, char *dest) +{ + unsigned int c; + char buf[1024]; + int i, len; + cvar_t *var, *bestvar; + int quotes = 0; + + len = 0; + +// parse a regular word + while ( (c = *data) != 0) + { + if (c == '"') + quotes++; + if (c == '$' && !(quotes&1)) + { + data++; + + // Copy the text after '$' to a temp buffer + i = 0; + buf[0] = 0; + bestvar = NULL; + while ((c = *data) > 32) + { + if (c == '$') + break; + data++; + buf[i++] = c; + buf[i] = 0; + if ((var = Cvar_FindVar(buf)) != 0) + bestvar = var; + if (i >= sizeof(buf)-1) + break; + } + + if (bestvar) + { + // check buffer size + if (len + strlen(bestvar->string) >= 1024-1) + break; + + strcpy(&dest[len], bestvar->string); + len += strlen(bestvar->string); + i = strlen(bestvar->name); + while (buf[i]) + dest[len++] = buf[i++]; + } + else + { + // no matching cvar name was found + dest[len++] = '$'; + if (len + strlen(buf) >= 1024-1) + break; + strcpy (&dest[len], buf); + len += strlen(buf); + } + } + else + { + dest[len] = c; + data++; + len++; + if (len >= 1024-1) + break; + } + }; + + dest[len] = 0; +} + /* ============ Cmd_ExecuteString @@ -634,14 +816,21 @@ A complete command line has been parsed, so try to execute it FIXME: lookupnoadd the token to speed search? ============ */ -void Cmd_ExecuteString (char *text, cmd_source_t src) -{ +void Cmd_ExecuteString (char *text, cmd_source_t src) +{ cmd_function_t *cmd; cmdalias_t *a; + char buf[1024]; cmd_source = src; + +#if 0 Cmd_TokenizeString (text); - +#else + Cmd_ExpandVariables (text, buf); + Cmd_TokenizeString (buf); +#endif + // execute the command line if (!Cmd_Argc()) return; // no tokens @@ -651,11 +840,18 @@ void Cmd_ExecuteString (char *text, cmd_source_t src) { if (!strcasecmp (cmd_argv[0],cmd->name)) { - cmd->function (); + if (!cmd->function) + Cmd_ForwardToServer (); + else + cmd->function (); return; } } +// Tonik: check cvars + if (Cvar_Command()) + return; + // check alias for (a=cmd_alias ; a ; a=a->next) { @@ -666,13 +862,138 @@ void Cmd_ExecuteString (char *text, cmd_source_t src) } } -// check cvars - if (!Cvar_Command ()) + if (cl_warncmd->value || developer->value) Con_Printf ("Unknown command \"%s\"\n", Cmd_Argv(0)); - + } + +/* +================ +Cmd_CheckParm + +Returns the position (1 to argc-1) in the command's argument list +where the given parameter apears, or 0 if not present +================ +*/ +int Cmd_CheckParm (char *parm) +{ + int i; + + if (!parm) + Sys_Error ("Cmd_CheckParm: NULL"); + + for (i = 1; i < Cmd_Argc (); i++) + if (! strcasecmp (parm, Cmd_Argv (i))) + return i; + + return 0; +} + +void Cmd_CmdList_f (void) +{ + cmd_function_t *cmd; + int i; + + for (cmd=cmd_functions, i=0 ; cmd ; cmd=cmd->next, i++) + { + Con_Printf("%s\n", cmd->name); + } + + Con_Printf ("------------\n%d commands\n", i); +} + + +char com_token[MAX_COM_TOKEN]; + +/* +============== +COM_Parse + +Parse a token out of a string +============== +*/ +char *COM_Parse (char *data) +{ + unsigned int c; + int len; + + len = 0; + com_token[0] = 0; + + if (!data) + return NULL; + +// skip whitespace +skipwhite: + while ( (c = *data) <= ' ') + { + if (c == 0) + return NULL; // end of file; + data++; + } + +// skip // comments + if (c=='/' && data[1] == '/') + { + while (*data && *data != '\n') + data++; + goto skipwhite; + } + + +// handle quoted strings specially + if (c == '\"') + { + data++; + while (1) + { + c = *data++; + if (c=='\"' || !c) + { + com_token[len] = 0; + return data; + } + com_token[len] = c; + len++; + } + } + +// parse a regular word + do + { + com_token[len] = c; + data++; + len++; + if (len >= MAX_COM_TOKEN-1) + break; + + c = *data; + } while (c>32); + + com_token[len] = 0; + return data; +} + +/* +============ +Cmd_Init +============ +*/ +void Cmd_Init (void) +{ +// +// register our commands +// + Cmd_AddCommand ("stuffcmds",Cmd_StuffCmds_f); + Cmd_AddCommand ("exec",Cmd_Exec_f); + Cmd_AddCommand ("echo",Cmd_Echo_f); + Cmd_AddCommand ("alias",Cmd_Alias_f); + Cmd_AddCommand ("cmd", Cmd_ForwardToServer); + Cmd_AddCommand ("wait", Cmd_Wait_f); +} + /* =================== Cmd_ForwardToServer @@ -687,9 +1008,9 @@ void Cmd_ForwardToServer (void) Con_Printf ("Can't \"%s\", not connected\n", Cmd_Argv(0)); return; } - + if (cls.demoplayback) - return; // not really connected + return; // not really connected MSG_WriteByte (&cls.message, clc_stringcmd); if (strcasecmp(Cmd_Argv(0), "cmd") != 0) @@ -702,27 +1023,3 @@ void Cmd_ForwardToServer (void) else SZ_Print (&cls.message, "\n"); } - - -/* -================ -Cmd_CheckParm - -Returns the position (1 to argc-1) in the command's argument list -where the given parameter apears, or 0 if not present -================ -*/ - -int Cmd_CheckParm (char *parm) -{ - int i; - - if (!parm) - Sys_Error ("Cmd_CheckParm: NULL"); - - for (i = 1; i < Cmd_Argc (); i++) - if (! strcasecmp (parm, Cmd_Argv (i))) - return i; - - return 0; -} diff --git a/source/com.c b/source/com.c new file mode 100644 index 0000000..c49d4fd --- /dev/null +++ b/source/com.c @@ -0,0 +1,110 @@ +/* + com.c + + @description@ + + Copyright (C) 1996-1997 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: + + Free Software Foundation, Inc. + 59 Temple Place - Suite 330 + Boston, MA 02111-1307, USA + + $Id$ +*/ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include "qendian.h" +#include "cvar.h" +#include "quakefs.h" +#include "console.h" +#include "qargs.h" +#include "qdefs.h" + +cvar_t *cmdline; +int static_registered = 1; + +/* +================ +COM_CheckRegistered + +Looks for the pop.txt file and verifies it. +Sets the "registered" cvar. +Immediately exits out if an alternate game was attempted to be started without +being registered. +================ +*/ +void COM_CheckRegistered (void) +{ + FILE *h; + unsigned short check[128]; + + COM_FOpenFile("gfx/pop.lmp", &h); + static_registered = 0; + + if (h) { + static_registered = 1; + fread (check, 1, sizeof(check), h); + fclose (h); + } + + if (static_registered) { + Cvar_Set (registered, "1"); + Con_Printf ("Playing registered version.\n"); + } +} + +/* +================ +COM_Init +================ +*/ +void COM_Init () +{ + byte swaptest[2] = {1,0}; + +// set the byte swapping variables in a portable manner + if ( *(short *)swaptest == 1) + { + bigendien = false; + BigShort = ShortSwap; + LittleShort = ShortNoSwap; + BigLong = LongSwap; + LittleLong = LongNoSwap; + BigFloat = FloatSwap; + LittleFloat = FloatNoSwap; + } + else + { + bigendien = true; + BigShort = ShortNoSwap; + LittleShort = ShortSwap; + BigLong = LongNoSwap; + LittleLong = LongSwap; + BigFloat = FloatNoSwap; + LittleFloat = FloatSwap; + } + + registered = Cvar_Get("registered", "0", CVAR_NONE, "None"); + cmdline = Cvar_Get("cmdline", "0", CVAR_SERVERINFO, "None"); + Cmd_AddCommand ("path", COM_Path_f); + + COM_InitFilesystem (); + COM_CheckRegistered (); +} diff --git a/source/common.c b/source/common.c deleted file mode 100644 index 8c2dfa1..0000000 --- a/source/common.c +++ /dev/null @@ -1,1837 +0,0 @@ -/* - common.c - - @description@ - - Copyright (C) 1996-1997 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: - - Free Software Foundation, Inc. - 59 Temple Place - Suite 330 - Boston, MA 02111-1307, USA - - $Id$ -*/ - -#ifdef HAVE_CONFIG_H -# include "config.h" -#endif - - -#define NUM_SAFE_ARGVS 7 - -static char *largv[MAX_NUM_ARGVS + NUM_SAFE_ARGVS + 1]; -static char *argvdummy = " "; - -static char *safeargvs[NUM_SAFE_ARGVS] = - {"-stdvid", "-nolan", "-nosound", "-nocdaudio", "-nojoy", "-nomouse", "-dibonly"}; - -cvar_t *registered; -cvar_t *cmdline; - -qboolean com_modified; // set true if using non-id files - -qboolean proghack; - -int static_registered = 1; // only for startup check, then set - -qboolean msg_suppress_1 = 0; - -void COM_InitFilesystem (void); - -// if a packfile directory differs from this, it is assumed to be hacked -#define PAK0_COUNT 339 -#define PAK0_CRC 32981 - -char com_token[1024]; -int com_argc; -char **com_argv; - -#define CMDLINE_LENGTH 256 -char com_cmdline[CMDLINE_LENGTH]; - -qboolean standard_quake = true, rogue, hipnotic; - -// this graphic needs to be in the pak file to use registered features -unsigned short pop[] = -{ - 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000 -,0x0000,0x0000,0x6600,0x0000,0x0000,0x0000,0x6600,0x0000 -,0x0000,0x0066,0x0000,0x0000,0x0000,0x0000,0x0067,0x0000 -,0x0000,0x6665,0x0000,0x0000,0x0000,0x0000,0x0065,0x6600 -,0x0063,0x6561,0x0000,0x0000,0x0000,0x0000,0x0061,0x6563 -,0x0064,0x6561,0x0000,0x0000,0x0000,0x0000,0x0061,0x6564 -,0x0064,0x6564,0x0000,0x6469,0x6969,0x6400,0x0064,0x6564 -,0x0063,0x6568,0x6200,0x0064,0x6864,0x0000,0x6268,0x6563 -,0x0000,0x6567,0x6963,0x0064,0x6764,0x0063,0x6967,0x6500 -,0x0000,0x6266,0x6769,0x6a68,0x6768,0x6a69,0x6766,0x6200 -,0x0000,0x0062,0x6566,0x6666,0x6666,0x6666,0x6562,0x0000 -,0x0000,0x0000,0x0062,0x6364,0x6664,0x6362,0x0000,0x0000 -,0x0000,0x0000,0x0000,0x0062,0x6662,0x0000,0x0000,0x0000 -,0x0000,0x0000,0x0000,0x0061,0x6661,0x0000,0x0000,0x0000 -,0x0000,0x0000,0x0000,0x0000,0x6500,0x0000,0x0000,0x0000 -,0x0000,0x0000,0x0000,0x0000,0x6400,0x0000,0x0000,0x0000 -}; - -/* - - -All of Quake's data access is through a hierchal file system, but the contents of the file system can be transparently merged from several sources. - -The "base directory" is the path to the directory holding the quake.exe and all game directories. The sys_* files pass this to host_init in quakeparms_t->basedir. This can be overridden with the "-basedir" command line parm to allow code debugging in a different directory. The base directory is -only used during filesystem initialization. - -The "game directory" is the first tree on the search path and directory that all generated files (savegames, screenshots, demos, config files) will be saved to. This can be overridden with the "-game" command line parameter. The game directory can never be changed while quake is executing. This is a precacution against having a malicious server instruct clients to write files over areas they shouldn't. - -The "cache directory" is only used during development to save network bandwidth, especially over ISDN / T1 lines. If there is a cache directory -specified, when a file is found by the normal search path, it will be mirrored -into the cache directory, then opened there. - - - -FIXME: -The file "parms.txt" will be read out of the game directory and appended to the current command line arguments to allow different games to initialize startup parms differently. This could be used to add a "-sspeed 22050" for the high quality sound edition. Because they are added at the end, they will not override an explicit setting on the original command line. - -*/ - -//============================================================================ - - -// ClearLink is used for new headnodes -void ClearLink (link_t *l) -{ - l->prev = l->next = l; -} - -void RemoveLink (link_t *l) -{ - l->next->prev = l->prev; - l->prev->next = l->next; -} - -void InsertLinkBefore (link_t *l, link_t *before) -{ - l->next = before; - l->prev = before->prev; - l->prev->next = l; - l->next->prev = l; -} -void InsertLinkAfter (link_t *l, link_t *after) -{ - l->next = after->next; - l->prev = after; - l->prev->next = l; - l->next->prev = l; -} - -/* -============================================================================ - - LIBRARY REPLACEMENT FUNCTIONS - -============================================================================ -*/ - -void Q_memset (void *dest, int fill, int count) -{ - int i; - - if ( (((long)dest | count) & 3) == 0) - { - count >>= 2; - fill = fill | (fill<<8) | (fill<<16) | (fill<<24); - for (i=0 ; i>=2; - for (i=0 ; i= 'a' && c1 <= 'z') - c1 -= ('a' - 'A'); - if (c2 >= 'a' && c2 <= 'z') - c2 -= ('a' - 'A'); - if (c1 != c2) - return -1; // strings not equal - } - if (!c1) - return 0; // strings are equal -// s1++; -// s2++; - } - - return -1; -} - -int Q_strcasecmp (char *s1, char *s2) -{ - return Q_strncasecmp (s1, s2, 99999); -} - -int Q_atoi (char *str) -{ - int val; - int sign; - int c; - - if (*str == '-') - { - sign = -1; - str++; - } - else - sign = 1; - - val = 0; - -// -// check for hex -// - if (str[0] == '0' && (str[1] == 'x' || str[1] == 'X') ) - { - str += 2; - while (1) - { - c = *str++; - if (c >= '0' && c <= '9') - val = (val<<4) + c - '0'; - else if (c >= 'a' && c <= 'f') - val = (val<<4) + c - 'a' + 10; - else if (c >= 'A' && c <= 'F') - val = (val<<4) + c - 'A' + 10; - else - return val*sign; - } - } - -// -// check for character -// - if (str[0] == '\'') - { - return sign * str[1]; - } - -// -// assume decimal -// - while (1) - { - c = *str++; - if (c <'0' || c > '9') - return val*sign; - val = val*10 + c - '0'; - } - - return 0; -} - - -float Q_atof (char *str) -{ - double val; - int sign; - int c; - int decimal, total; - - if (*str == '-') - { - sign = -1; - str++; - } - else - sign = 1; - - val = 0; - -// -// check for hex -// - if (str[0] == '0' && (str[1] == 'x' || str[1] == 'X') ) - { - str += 2; - while (1) - { - c = *str++; - if (c >= '0' && c <= '9') - val = (val*16) + c - '0'; - else if (c >= 'a' && c <= 'f') - val = (val*16) + c - 'a' + 10; - else if (c >= 'A' && c <= 'F') - val = (val*16) + c - 'A' + 10; - else - return val*sign; - } - } - -// -// check for character -// - if (str[0] == '\'') - { - return sign * str[1]; - } - -// -// assume decimal -// - decimal = -1; - total = 0; - while (1) - { - c = *str++; - if (c == '.') - { - decimal = total; - continue; - } - if (c <'0' || c > '9') - break; - val = val*10 + c - '0'; - total++; - } - - if (decimal == -1) - return val*sign; - while (total > decimal) - { - val /= 10; - total--; - } - - return val*sign; -} - -/* -============================================================================ - - BYTE ORDER FUNCTIONS - -============================================================================ -*/ - -qboolean bigendien; - -short (*BigShort) (short l); -short (*LittleShort) (short l); -int (*BigLong) (int l); -int (*LittleLong) (int l); -float (*BigFloat) (float l); -float (*LittleFloat) (float l); - -short ShortSwap (short l) -{ - byte b1,b2; - - b1 = l&255; - b2 = (l>>8)&255; - - return (b1<<8) + b2; -} - -short ShortNoSwap (short l) -{ - return l; -} - -int LongSwap (int l) -{ - byte b1,b2,b3,b4; - - b1 = l&255; - b2 = (l>>8)&255; - b3 = (l>>16)&255; - b4 = (l>>24)&255; - - return ((int)b1<<24) + ((int)b2<<16) + ((int)b3<<8) + b4; -} - -int LongNoSwap (int l) -{ - return l; -} - -float FloatSwap (float f) -{ - union - { - float f; - byte b[4]; - } dat1, dat2; - - - dat1.f = f; - dat2.b[0] = dat1.b[3]; - dat2.b[1] = dat1.b[2]; - dat2.b[2] = dat1.b[1]; - dat2.b[3] = dat1.b[0]; - return dat2.f; -} - -float FloatNoSwap (float f) -{ - return f; -} - -/* -============================================================================== - - MESSAGE IO FUNCTIONS - -Handles byte ordering and avoids alignment errors -============================================================================== -*/ - -// -// writing functions -// - -void MSG_WriteChar (sizebuf_t *sb, int c) -{ - byte *buf; - -#ifdef PARANOID - if (c < -128 || c > 127) - Sys_Error ("MSG_WriteChar: range error"); -#endif - - buf = SZ_GetSpace (sb, 1); - buf[0] = c; -} - -void MSG_WriteByte (sizebuf_t *sb, int c) -{ - byte *buf; - -#ifdef PARANOID - if (c < 0 || c > 255) - Sys_Error ("MSG_WriteByte: range error"); -#endif - - buf = SZ_GetSpace (sb, 1); - buf[0] = c; -} - -void MSG_WriteShort (sizebuf_t *sb, int c) -{ - byte *buf; - -#ifdef PARANOID - if (c < ((short)0x8000) || c > (short)0x7fff) - Sys_Error ("MSG_WriteShort: range error"); -#endif - - buf = SZ_GetSpace (sb, 2); - buf[0] = c&0xff; - buf[1] = c>>8; -} - -void MSG_WriteLong (sizebuf_t *sb, int c) -{ - byte *buf; - - buf = SZ_GetSpace (sb, 4); - buf[0] = c&0xff; - buf[1] = (c>>8)&0xff; - buf[2] = (c>>16)&0xff; - buf[3] = c>>24; -} - -void MSG_WriteFloat (sizebuf_t *sb, float f) -{ - union - { - float f; - int l; - } dat; - - - dat.f = f; - dat.l = LittleLong (dat.l); - - SZ_Write (sb, &dat.l, 4); -} - -void MSG_WriteString (sizebuf_t *sb, char *s) -{ - if (!s) - SZ_Write (sb, "", 1); - else - SZ_Write (sb, s, Q_strlen(s)+1); -} - -void MSG_WriteCoord (sizebuf_t *sb, float f) -{ - MSG_WriteShort (sb, (int)(f*8)); -} - -void MSG_WriteAngle (sizebuf_t *sb, float f) -{ - MSG_WriteByte (sb, ((int)f*256/360) & 255); -} - -// -// reading functions -// -int msg_readcount; -qboolean msg_badread; - -void MSG_BeginReading (void) -{ - msg_readcount = 0; - msg_badread = false; -} - -// returns -1 and sets msg_badread if no more characters are available -int MSG_ReadChar (void) -{ - int c; - - if (msg_readcount+1 > net_message.cursize) - { - msg_badread = true; - return -1; - } - - c = (signed char)net_message.data[msg_readcount]; - msg_readcount++; - - return c; -} - -int MSG_ReadByte (void) -{ - int c; - - if (msg_readcount+1 > net_message.cursize) - { - msg_badread = true; - return -1; - } - - c = (unsigned char)net_message.data[msg_readcount]; - msg_readcount++; - - return c; -} - -int MSG_ReadShort (void) -{ - int c; - - if (msg_readcount+2 > net_message.cursize) - { - msg_badread = true; - return -1; - } - - c = (short)(net_message.data[msg_readcount] - + (net_message.data[msg_readcount+1]<<8)); - - msg_readcount += 2; - - return c; -} - -int MSG_ReadLong (void) -{ - int c; - - if (msg_readcount+4 > net_message.cursize) - { - msg_badread = true; - return -1; - } - - c = net_message.data[msg_readcount] - + (net_message.data[msg_readcount+1]<<8) - + (net_message.data[msg_readcount+2]<<16) - + (net_message.data[msg_readcount+3]<<24); - - msg_readcount += 4; - - return c; -} - -float MSG_ReadFloat (void) -{ - union - { - byte b[4]; - float f; - int l; - } dat; - - dat.b[0] = net_message.data[msg_readcount]; - dat.b[1] = net_message.data[msg_readcount+1]; - dat.b[2] = net_message.data[msg_readcount+2]; - dat.b[3] = net_message.data[msg_readcount+3]; - msg_readcount += 4; - - dat.l = LittleLong (dat.l); - - return dat.f; -} - -char *MSG_ReadString (void) -{ - static char string[2048]; - int l,c; - - l = 0; - do - { - c = MSG_ReadChar (); - if (c == -1 || c == 0) - break; - string[l] = c; - l++; - } while (l < sizeof(string)-1); - - string[l] = 0; - - return string; -} - -float MSG_ReadCoord (void) -{ - return MSG_ReadShort() * (1.0/8); -} - -float MSG_ReadAngle (void) -{ - return MSG_ReadChar() * (360.0/256); -} - - - -//=========================================================================== - -void SZ_Alloc (sizebuf_t *buf, int startsize) -{ - if (startsize < 256) - startsize = 256; - buf->data = Hunk_AllocName (startsize, "sizebuf"); - buf->maxsize = startsize; - buf->cursize = 0; -} - - -void SZ_Free (sizebuf_t *buf) -{ -// Z_Free (buf->data); -// buf->data = NULL; -// buf->maxsize = 0; - buf->cursize = 0; -} - -void SZ_Clear (sizebuf_t *buf) -{ - buf->cursize = 0; -} - -void *SZ_GetSpace (sizebuf_t *buf, int length) -{ - void *data; - - if (buf->cursize + length > buf->maxsize) - { - if (!buf->allowoverflow) - Sys_Error ("SZ_GetSpace: overflow without allowoverflow set"); - - if (length > buf->maxsize) - Sys_Error ("SZ_GetSpace: %i is > full buffer size", length); - - buf->overflowed = true; - Con_Printf ("SZ_GetSpace: overflow"); - SZ_Clear (buf); - } - - data = buf->data + buf->cursize; - buf->cursize += length; - - return data; -} - -void SZ_Write (sizebuf_t *buf, void *data, int length) -{ - Q_memcpy (SZ_GetSpace(buf,length),data,length); -} - -void SZ_Print (sizebuf_t *buf, char *data) -{ - int len; - - len = Q_strlen(data)+1; - -// byte * cast to keep VC++ happy - if (buf->data[buf->cursize-1]) - Q_memcpy ((byte *)SZ_GetSpace(buf, len),data,len); // no trailing 0 - else - Q_memcpy ((byte *)SZ_GetSpace(buf, len-1)-1,data,len); // write over trailing 0 -} - - -//============================================================================ - - -/* -============ -COM_SkipPath -============ -*/ -char *COM_SkipPath (char *pathname) -{ - char *last; - - last = pathname; - while (*pathname) - { - if (*pathname=='/') - last = pathname+1; - pathname++; - } - return last; -} - -/* -============ -COM_StripExtension -============ -*/ -void COM_StripExtension (char *in, char *out) -{ - while (*in && *in != '.') - *out++ = *in++; - *out = 0; -} - -/* -============ -COM_FileExtension -============ -*/ -char *COM_FileExtension (char *in) -{ - static char exten[8]; - int i; - - while (*in && *in != '.') - in++; - if (!*in) - return ""; - in++; - for (i=0 ; i<7 && *in ; i++,in++) - exten[i] = *in; - exten[i] = 0; - return exten; -} - -/* -============ -COM_FileBase -============ -*/ -void COM_FileBase (char *in, char *out) -{ - char *s, *s2; - - s = in + strlen(in) - 1; - - while (s != in && *s != '.') - s--; - - for (s2 = s ; *s2 && *s2 != '/' ; s2--) - ; - - if (s-s2 < 2) - strcpy (out,"?model?"); - else - { - s--; - strncpy (out,s2+1, s-s2); - out[s-s2] = 0; - } -} - - -/* -================== -COM_DefaultExtension -================== -*/ -void COM_DefaultExtension (char *path, char *extension) -{ - char *src; -// -// if path doesn't have a .EXT, append extension -// (extension should include the .) -// - src = path + strlen(path) - 1; - - while (*src != '/' && src != path) - { - if (*src == '.') - return; // it has an extension - src--; - } - - strcat (path, extension); -} - - -/* -============== -COM_Parse - -Parse a token out of a string -============== -*/ -char *COM_Parse (char *data) -{ - int c; - int len; - - len = 0; - com_token[0] = 0; - - if (!data) - return NULL; - -// skip whitespace -skipwhite: - while ( (c = *data) <= ' ') - { - if (c == 0) - return NULL; // end of file; - data++; - } - -// skip // comments - if (c=='/' && data[1] == '/') - { - while (*data && *data != '\n') - data++; - goto skipwhite; - } - - -// handle quoted strings specially - if (c == '\"') - { - data++; - while (1) - { - c = *data++; - if (c=='\"' || !c) - { - com_token[len] = 0; - return data; - } - com_token[len] = c; - len++; - } - } - -// parse single characters - if (c=='{' || c=='}'|| c==')'|| c=='(' || c=='\'' || c==':') - { - com_token[len] = c; - len++; - com_token[len] = 0; - return data+1; - } - -// parse a regular word - do - { - com_token[len] = c; - data++; - len++; - c = *data; - if (c=='{' || c=='}'|| c==')'|| c=='(' || c=='\'' || c==':') - break; - } while (c>32); - - com_token[len] = 0; - return data; -} - - -/* -================ -COM_CheckParm - -Returns the position (1 to argc-1) in the program's argument list -where the given parameter apears, or 0 if not present -================ -*/ -int COM_CheckParm (char *parm) -{ - int i; - - for (i=1 ; inext) - { - if (s->pack) - { - Con_Printf ("%s (%i files)\n", s->pack->filename, s->pack->numfiles); - } - else - Con_Printf ("%s\n", s->filename); - } -} - -/* -============ -COM_WriteFile - -The filename will be prefixed by the current game directory -============ -*/ -void COM_WriteFile (char *filename, void *data, int len) -{ - int handle; - char name[MAX_OSPATH]; - - sprintf (name, "%s/%s", com_gamedir, filename); - - handle = Sys_FileOpenWrite (name); - if (handle == -1) - { - Sys_Printf ("COM_WriteFile: failed on %s\n", name); - return; - } - - Sys_Printf ("COM_WriteFile: %s\n", name); - Sys_FileWrite (handle, data, len); - Sys_FileClose (handle); -} - - -/* -============ -COM_CreatePath - -Only used for CopyFile -============ -*/ -void COM_CreatePath (char *path) -{ - char *ofs; - - for (ofs = path+1 ; *ofs ; ofs++) - { - if (*ofs == '/') - { // create the directory - *ofs = 0; - Sys_mkdir (path); - *ofs = '/'; - } - } -} - - -/* -=========== -COM_CopyFile - -Copies a file over from the net to the local cache, creating any directories -needed. This is for the convenience of developers using ISDN from home. -=========== -*/ -void COM_CopyFile (char *netpath, char *cachepath) -{ - int in, out; - int remaining, count; - char buf[4096]; - - remaining = Sys_FileOpenRead (netpath, &in); - COM_CreatePath (cachepath); // create directories up to the cache file - out = Sys_FileOpenWrite (cachepath); - - while (remaining) - { - if (remaining < sizeof(buf)) - count = remaining; - else - count = sizeof(buf); - Sys_FileRead (in, buf, count); - Sys_FileWrite (out, buf, count); - remaining -= count; - } - - Sys_FileClose (in); - Sys_FileClose (out); -} - -/* -=========== -COM_FindFile - -Finds the file in the search path. -Sets com_filesize and one of handle or file -=========== -*/ -int COM_FindFile (char *filename, int *handle, FILE **file) -{ - searchpath_t *search; - char netpath[MAX_OSPATH]; - char cachepath[MAX_OSPATH]; - pack_t *pak; - int i; - int findtime, cachetime; - - if (file && handle) - Sys_Error ("COM_FindFile: both handle and file set"); - if (!file && !handle) - Sys_Error ("COM_FindFile: neither handle or file set"); - -// -// search through the path, one element at a time -// - search = com_searchpaths; - if (proghack) - { // gross hack to use quake 1 progs with quake 2 maps - if (!strcmp(filename, "progs.dat")) - search = search->next; - } - - for ( ; search ; search = search->next) - { - // is the element a pak file? - if (search->pack) - { - // look through all the pak file elements - pak = search->pack; - for (i=0 ; inumfiles ; i++) - if (!strcmp (pak->files[i].name, filename)) - { // found it! - Sys_Printf ("PackFile: %s : %s\n",pak->filename, filename); - if (handle) - { - *handle = pak->handle; - Sys_FileSeek (pak->handle, pak->files[i].filepos); - } - else - { // open a new file on the pakfile - *file = fopen (pak->filename, "rb"); - if (*file) - fseek (*file, pak->files[i].filepos, SEEK_SET); - } - com_filesize = pak->files[i].filelen; - return com_filesize; - } - } - else - { - // check a file in the directory tree - if (!static_registered) - { // if not a registered version, don't ever go beyond base - if ( strchr (filename, '/') || strchr (filename,'\\')) - continue; - } - - sprintf (netpath, "%s/%s",search->filename, filename); - - findtime = Sys_FileTime (netpath); - if (findtime == -1) - continue; - - // see if the file needs to be updated in the cache - if (!com_cachedir[0]) - strcpy (cachepath, netpath); - else - { -#if defined(_WIN32) - if ((strlen(netpath) < 2) || (netpath[1] != ':')) - sprintf (cachepath,"%s%s", com_cachedir, netpath); - else - sprintf (cachepath,"%s%s", com_cachedir, netpath+2); -#else - sprintf (cachepath,"%s%s", com_cachedir, netpath); -#endif - - cachetime = Sys_FileTime (cachepath); - - if (cachetime < findtime) - COM_CopyFile (netpath, cachepath); - strcpy (netpath, cachepath); - } - - Sys_Printf ("FindFile: %s\n",netpath); - com_filesize = Sys_FileOpenRead (netpath, &i); - if (handle) - *handle = i; - else - { - Sys_FileClose (i); - *file = fopen (netpath, "rb"); - } - return com_filesize; - } - - } - - Sys_Printf ("FindFile: can't find %s\n", filename); - - if (handle) - *handle = -1; - else - *file = NULL; - com_filesize = -1; - return -1; -} - - -/* -=========== -COM_OpenFile - -filename never has a leading slash, but may contain directory walks -returns a handle and a length -it may actually be inside a pak file -=========== -*/ -int COM_OpenFile (char *filename, int *handle) -{ - return COM_FindFile (filename, handle, NULL); -} - -/* -=========== -COM_FOpenFile - -If the requested file is inside a packfile, a new FILE * will be opened -into the file. -=========== -*/ -int COM_FOpenFile (char *filename, FILE **file) -{ - return COM_FindFile (filename, NULL, file); -} - -/* -============ -COM_CloseFile - -If it is a pak file handle, don't really close it -============ -*/ -void COM_CloseFile (int h) -{ - searchpath_t *s; - - for (s = com_searchpaths ; s ; s=s->next) - if (s->pack && s->pack->handle == h) - return; - - Sys_FileClose (h); -} - - -/* -============ -COM_LoadFile - -Filename are reletive to the quake directory. -Allways appends a 0 byte. -============ -*/ -cache_user_t *loadcache; -byte *loadbuf; -int loadsize; -byte *COM_LoadFile (char *path, int usehunk) -{ - int h; - byte *buf; - char base[32]; - int len; - - buf = NULL; // quiet compiler warning - -// look for it in the filesystem or pack files - len = COM_OpenFile (path, &h); - if (h == -1) - return NULL; - -// extract the filename base name for hunk tag - COM_FileBase (path, base); - - if (usehunk == 1) - buf = Hunk_AllocName (len+1, base); - else if (usehunk == 2) - buf = Hunk_TempAlloc (len+1); - else if (usehunk == 0) - buf = Z_Malloc (len+1); - else if (usehunk == 3) - buf = Cache_Alloc (loadcache, len+1, base); - else if (usehunk == 4) - { - if (len+1 > loadsize) - buf = Hunk_TempAlloc (len+1); - else - buf = loadbuf; - } - else - Sys_Error ("COM_LoadFile: bad usehunk"); - - if (!buf) - Sys_Error ("COM_LoadFile: not enough space for %s", path); - - ((byte *)buf)[len] = 0; - - Draw_BeginDisc (); - Sys_FileRead (h, buf, len); - COM_CloseFile (h); - Draw_EndDisc (); - - return buf; -} - -byte *COM_LoadHunkFile (char *path) -{ - return COM_LoadFile (path, 1); -} - -byte *COM_LoadTempFile (char *path) -{ - return COM_LoadFile (path, 2); -} - -void COM_LoadCacheFile (char *path, struct cache_user_s *cu) -{ - loadcache = cu; - COM_LoadFile (path, 3); -} - -// uses temp hunk if larger than bufsize -byte *COM_LoadStackFile (char *path, void *buffer, int bufsize) -{ - byte *buf; - - loadbuf = (byte *)buffer; - loadsize = bufsize; - buf = COM_LoadFile (path, 4); - - return buf; -} - -/* -================= -COM_LoadPackFile - -Takes an explicit (not game tree related) path to a pak file. - -Loads the header and directory, adding the files at the beginning -of the list so they override previous pack files. -================= -*/ -pack_t *COM_LoadPackFile (char *packfile) -{ - dpackheader_t header; - int i; - packfile_t *newfiles; - int numpackfiles; - pack_t *pack; - int packhandle; - dpackfile_t info[MAX_FILES_IN_PACK]; - unsigned short crc; - - if (Sys_FileOpenRead (packfile, &packhandle) == -1) - { -// Con_Printf ("Couldn't open %s\n", packfile); - return NULL; - } - Sys_FileRead (packhandle, (void *)&header, sizeof(header)); - if (header.id[0] != 'P' || header.id[1] != 'A' - || header.id[2] != 'C' || header.id[3] != 'K') - Sys_Error ("%s is not a packfile", packfile); - header.dirofs = LittleLong (header.dirofs); - header.dirlen = LittleLong (header.dirlen); - - numpackfiles = header.dirlen / sizeof(dpackfile_t); - - if (numpackfiles > MAX_FILES_IN_PACK) - Sys_Error ("%s has %i files", packfile, numpackfiles); - - if (numpackfiles != PAK0_COUNT) - com_modified = true; // not the original file - - newfiles = Hunk_AllocName (numpackfiles * sizeof(packfile_t), "packfile"); - - Sys_FileSeek (packhandle, header.dirofs); - Sys_FileRead (packhandle, (void *)info, header.dirlen); - -// crc the directory to check for modifications - CRC_Init (&crc); - for (i=0 ; ifilename, packfile); - pack->handle = packhandle; - pack->numfiles = numpackfiles; - pack->files = newfiles; - - Con_Printf ("Added packfile %s (%i files)\n", packfile, numpackfiles); - return pack; -} - - -/* -================ -COM_AddGameDirectory - -Sets com_gamedir, adds the directory to the head of the path, -then loads and adds pak1.pak pak2.pak ... -================ -*/ -void COM_AddGameDirectory (char *dir) -{ - int i; - searchpath_t *search; - pack_t *pak; - char pakfile[MAX_OSPATH]; - - strcpy (com_gamedir, dir); - -// -// add the directory to the search path -// - search = Hunk_Alloc (sizeof(searchpath_t)); - strcpy (search->filename, dir); - search->next = com_searchpaths; - com_searchpaths = search; - -// -// add any pak files in the format pak0.pak pak1.pak, ... -// - for (i=0 ; ; i++) - { - sprintf (pakfile, "%s/pak%i.pak", dir, i); - pak = COM_LoadPackFile (pakfile); - if (!pak) - break; - search = Hunk_Alloc (sizeof(searchpath_t)); - search->pack = pak; - search->next = com_searchpaths; - com_searchpaths = search; - } - -// -// add the contents of the parms.txt file to the end of the command line -// - -} - -/* -================ -COM_InitFilesystem -================ -*/ -void COM_InitFilesystem (void) -{ - int i, j; - char basedir[MAX_OSPATH]; - searchpath_t *search; - -// -// -basedir -// Overrides the system supplied base directory (under GAMENAME) -// - i = COM_CheckParm ("-basedir"); - if (i && i < com_argc-1) - strcpy (basedir, com_argv[i+1]); - else - strcpy (basedir, host_parms.basedir); - - j = strlen (basedir); - - if (j > 0) - { - if ((basedir[j-1] == '\\') || (basedir[j-1] == '/')) - basedir[j-1] = 0; - } - -// -// -cachedir -// Overrides the system supplied cache directory (NULL or /qcache) -// -cachedir - will disable caching. -// - i = COM_CheckParm ("-cachedir"); - if (i && i < com_argc-1) - { - if (com_argv[i+1][0] == '-') - com_cachedir[0] = 0; - else - strcpy (com_cachedir, com_argv[i+1]); - } - else if (host_parms.cachedir) - strcpy (com_cachedir, host_parms.cachedir); - else - com_cachedir[0] = 0; - -// -// start up with GAMENAME by default (id1) -// - COM_AddGameDirectory (va("%s/"GAMENAME, basedir) ); - - if (COM_CheckParm ("-rogue")) - COM_AddGameDirectory (va("%s/rogue", basedir) ); - if (COM_CheckParm ("-hipnotic")) - COM_AddGameDirectory (va("%s/hipnotic", basedir) ); - -// -// -game -// Adds basedir/gamedir as an override game -// - i = COM_CheckParm ("-game"); - if (i && i < com_argc-1) - { - com_modified = true; - COM_AddGameDirectory (va("%s/%s", basedir, com_argv[i+1])); - } - -// -// -path [] ... -// Fully specifies the exact serach path, overriding the generated one -// - i = COM_CheckParm ("-path"); - if (i) - { - com_modified = true; - com_searchpaths = NULL; - while (++i < com_argc) - { - if (!com_argv[i] || com_argv[i][0] == '+' || com_argv[i][0] == '-') - break; - - search = Hunk_Alloc (sizeof(searchpath_t)); - if ( !strcmp(COM_FileExtension(com_argv[i]), "pak") ) - { - search->pack = COM_LoadPackFile (com_argv[i]); - if (!search->pack) - Sys_Error ("Couldn't load packfile: %s", com_argv[i]); - } - else - strcpy (search->filename, com_argv[i]); - search->next = com_searchpaths; - com_searchpaths = search; - } - } - - if (COM_CheckParm ("-proghack")) - proghack = true; -} - - diff --git a/source/host.c b/source/host.c index 8065d43..5fa6661 100644 --- a/source/host.c +++ b/source/host.c @@ -61,6 +61,8 @@ Memory is cleared / released when a server or client begins, not when they end. */ +qboolean msg_suppress_1 = 0; + quakeparms_t host_parms; qboolean host_initialized; // true if into command execution diff --git a/source/link.c b/source/link.c new file mode 100644 index 0000000..193d836 --- /dev/null +++ b/source/link.c @@ -0,0 +1,60 @@ +/* + link.c + + (description) + + Copyright (C) 1996-1997 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: + + Free Software Foundation, Inc. + 59 Temple Place - Suite 330 + Boston, MA 02111-1307, USA + + $Id$ +*/ + +#ifdef HAVE_CONFIG_H +# include +#endif +#include "link.h" + +// ClearLink is used for new headnodes +void ClearLink (link_t *l) +{ + l->prev = l->next = l; +} + +void RemoveLink (link_t *l) +{ + l->next->prev = l->prev; + l->prev->next = l->next; +} + +void InsertLinkBefore (link_t *l, link_t *before) +{ + l->next = before; + l->prev = before->prev; + l->prev->next = l; + l->next->prev = l; +} +void InsertLinkAfter (link_t *l, link_t *after) +{ + l->next = after->next; + l->prev = after; + l->prev->next = l; + l->next->prev = l; +} + diff --git a/source/msg.c b/source/msg.c new file mode 100644 index 0000000..710ce3f --- /dev/null +++ b/source/msg.c @@ -0,0 +1,265 @@ +/* + msg.c + + @description@ + + Copyright (C) 1996-1997 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: + + Free Software Foundation, Inc. + 59 Temple Place - Suite 330 + Boston, MA 02111-1307, USA + + $Id$ +*/ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include "msg.h" +#include "qendian.h" +#include "net.h" + +/* +============================================================================== + + MESSAGE IO FUNCTIONS + +Handles byte ordering and avoids alignment errors +============================================================================== +*/ + +// +// writing functions +// + +void MSG_WriteChar (sizebuf_t *sb, int c) +{ + byte *buf; + +#ifdef PARANOID + if (c < -128 || c > 127) + Sys_Error ("MSG_WriteChar: range error"); +#endif + + buf = SZ_GetSpace (sb, 1); + buf[0] = c; +} + +void MSG_WriteByte (sizebuf_t *sb, int c) +{ + byte *buf; + +#ifdef PARANOID + if (c < 0 || c > 255) + Sys_Error ("MSG_WriteByte: range error"); +#endif + + buf = SZ_GetSpace (sb, 1); + buf[0] = c; +} + +void MSG_WriteShort (sizebuf_t *sb, int c) +{ + byte *buf; + +#ifdef PARANOID + if (c < ((short)0x8000) || c > (short)0x7fff) + Sys_Error ("MSG_WriteShort: range error"); +#endif + + buf = SZ_GetSpace (sb, 2); + buf[0] = c&0xff; + buf[1] = c>>8; +} + +void MSG_WriteLong (sizebuf_t *sb, int c) +{ + byte *buf; + + buf = SZ_GetSpace (sb, 4); + buf[0] = c&0xff; + buf[1] = (c>>8)&0xff; + buf[2] = (c>>16)&0xff; + buf[3] = c>>24; +} + +void MSG_WriteFloat (sizebuf_t *sb, float f) +{ + union + { + float f; + int l; + } dat; + + + dat.f = f; + dat.l = LittleLong (dat.l); + + SZ_Write (sb, &dat.l, 4); +} + +void MSG_WriteString (sizebuf_t *sb, char *s) +{ + if (!s) + SZ_Write (sb, "", 1); + else + SZ_Write (sb, s, strlen(s)+1); +} + +void MSG_WriteCoord (sizebuf_t *sb, float f) +{ + MSG_WriteShort (sb, (int)(f*8)); +} + +void MSG_WriteAngle (sizebuf_t *sb, float f) +{ + MSG_WriteByte (sb, ((int)f*256/360) & 255); +} + +// +// reading functions +// +int msg_readcount; +qboolean msg_badread; + +void MSG_BeginReading (void) +{ + msg_readcount = 0; + msg_badread = false; +} + +// returns -1 and sets msg_badread if no more characters are available +int MSG_ReadChar (void) +{ + int c; + + if (msg_readcount+1 > net_message.cursize) + { + msg_badread = true; + return -1; + } + + c = (signed char)net_message.data[msg_readcount]; + msg_readcount++; + + return c; +} + +int MSG_ReadByte (void) +{ + int c; + + if (msg_readcount+1 > net_message.cursize) + { + msg_badread = true; + return -1; + } + + c = (unsigned char)net_message.data[msg_readcount]; + msg_readcount++; + + return c; +} + +int MSG_ReadShort (void) +{ + int c; + + if (msg_readcount+2 > net_message.cursize) + { + msg_badread = true; + return -1; + } + + c = (short)(net_message.data[msg_readcount] + + (net_message.data[msg_readcount+1]<<8)); + + msg_readcount += 2; + + return c; +} + +int MSG_ReadLong (void) +{ + int c; + + if (msg_readcount+4 > net_message.cursize) + { + msg_badread = true; + return -1; + } + + c = net_message.data[msg_readcount] + + (net_message.data[msg_readcount+1]<<8) + + (net_message.data[msg_readcount+2]<<16) + + (net_message.data[msg_readcount+3]<<24); + + msg_readcount += 4; + + return c; +} + +float MSG_ReadFloat (void) +{ + union + { + byte b[4]; + float f; + int l; + } dat; + + dat.b[0] = net_message.data[msg_readcount]; + dat.b[1] = net_message.data[msg_readcount+1]; + dat.b[2] = net_message.data[msg_readcount+2]; + dat.b[3] = net_message.data[msg_readcount+3]; + msg_readcount += 4; + + dat.l = LittleLong (dat.l); + + return dat.f; +} + +char *MSG_ReadString (void) +{ + static char string[2048]; + int l,c; + + l = 0; + do + { + c = MSG_ReadChar (); + if (c == -1 || c == 0) + break; + string[l] = c; + l++; + } while (l < sizeof(string)-1); + + string[l] = 0; + + return string; +} + +float MSG_ReadCoord (void) +{ + return MSG_ReadShort() * (1.0/8); +} + +float MSG_ReadAngle (void) +{ + return MSG_ReadChar() * (360.0/256); +} diff --git a/source/qargs.c b/source/qargs.c new file mode 100644 index 0000000..9c32264 --- /dev/null +++ b/source/qargs.c @@ -0,0 +1,155 @@ +/* + qargs.c + + command line argument processing routines + + Copyright (C) 1996-1997 Id Software, Inc. + Copyright (C) 1999,2000 Nelson Rush. + Copyright (C) 1999,2000 contributors of the QuakeForge project + Please see the file "AUTHORS" for a list of contributors + + 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: + + Free Software Foundation, Inc. + 59 Temple Place - Suite 330 + Boston, MA 02111-1307, USA + + $Id$ +*/ + +#ifdef HAVE_CONFIG_H +# include +#endif +#include "string.h" +#include "ctype.h" +#include "stdlib.h" +#include "qtypes.h" +#include "crc.h" +#include "sys.h" +#include "cmd.h" +#include "console.h" +#include "client.h" +#include "assert.h" + +#include + +usercmd_t nullcmd; // guarenteed to be zero + +static char **largv; +static char *argvdummy = " "; + +static char *safeargvs[] = + {"-stdvid", "-nolan", "-nosound", "-nocdaudio", "-nojoy", "-nomouse", "-dibonly"}; + +#define NUM_SAFE_ARGVS (sizeof(safeargvs)/sizeof(safeargvs[0])) + +int com_argc; +char **com_argv; +char *com_cmdline; +cvar_t *cmdline; + +qboolean nouse = false; // 1999-10-29 +USE fix by Maddes + +/* +================ +COM_CheckParm + +Returns the position (1 to argc-1) in the program's argument list +where the given parameter apears, or 0 if not present +================ +*/ +int COM_CheckParm (char *parm) +{ + int i; + + for (i=1 ; i 0); + strcat (com_cmdline, " "); + } + com_cmdline[len - 1] = '\0'; + } + + if (safe) + { + // force all the safe-mode switches. Note that we reserved extra space in + // case we need to add these, so we don't need an overflow check + for (i=0 ; i +#endif +#include +#include + +/* +============================================================================ + + BYTE ORDER FUNCTIONS + +============================================================================ +*/ + +qboolean bigendien; +short (*BigShort) (short l); +short (*LittleShort) (short l); +int (*BigLong) (int l); +int (*LittleLong) (int l); +float (*BigFloat) (float l); +float (*LittleFloat) (float l); + +short ShortSwap (short l) +{ + byte b1,b2; + + b1 = l&255; + b2 = (l>>8)&255; + + return (b1<<8) + b2; +} + +short ShortNoSwap (short l) +{ + return l; +} + +int LongSwap (int l) +{ + byte b1,b2,b3,b4; + + b1 = l&255; + b2 = (l>>8)&255; + b3 = (l>>16)&255; + b4 = (l>>24)&255; + + return ((int)b1<<24) + ((int)b2<<16) + ((int)b3<<8) + b4; +} + +int LongNoSwap (int l) +{ + return l; +} + +float FloatSwap (float f) +{ + union + { + float f; + byte b[4]; + } dat1, dat2; + + + dat1.f = f; + dat2.b[0] = dat1.b[3]; + dat2.b[1] = dat1.b[2]; + dat2.b[2] = dat1.b[1]; + dat2.b[3] = dat1.b[0]; + return dat2.f; +} + +float FloatNoSwap (float f) +{ + return f; +} diff --git a/source/quakefs.c b/source/quakefs.c new file mode 100644 index 0000000..0690732 --- /dev/null +++ b/source/quakefs.c @@ -0,0 +1,996 @@ +/* + quakefs.c + + virtual filesystem functions + + Copyright (C) 1996-1997 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: + + Free Software Foundation, Inc. + 59 Temple Place - Suite 330 + Boston, MA 02111-1307, USA + + $Id$ +*/ + +#ifdef HAVE_CONFIG_H +# include +#endif + +#include +#include +#include +#include +#ifdef HAVE_UNISTD_H +#include +#endif +#ifdef HAVE_STRINGS_H +#include +#endif +#include + +#include +#ifdef HAVE_FNMATCH_H +#include +#endif + +#ifdef WIN32 +#include +#endif + +#ifdef _MSC_VER +#define _POSIX_ +#endif + +#include "host.h" +#include "qtypes.h" +#include "quakefs.h" +#include "sys.h" +#include "console.h" +#include "draw.h" +#include "cmd.h" +#include "cvar.h" +#include "qendian.h" +#include "info.h" +#include "server.h" +#include "va.h" + +extern qboolean is_server; +qboolean standard_quake = true, rogue, hipnotic; +cvar_t *registered; + +/* + All of Quake's data access is through a hierchical file system, but the + contents of the file system can be transparently merged from several + sources. + + The "user directory" is the path to the directory holding the quake.exe + and all game directories. The sys_* files pass this to host_init in + quakeparms_t->basedir. This can be overridden with the "-basedir" + command line parm to allow code debugging in a different directory. + The base directory is only used during filesystem initialization. + + The "game directory" is the first tree on the search path and directory + that all generated files (savegames, screenshots, demos, config files) + will be saved to. This can be overridden with the "-game" command line + parameter. The game directory can never be changed while quake is + executing. This is a precacution against having a malicious server + instruct clients to write files over areas they shouldn't. + + The "cache directory" is only used during development to save network + bandwidth, especially over ISDN / T1 lines. If there is a cache directory + specified, when a file is found by the normal search path, it will be + mirrored into the cache directory, then opened there. +*/ + +/* +============================================================================= + +QUAKE FILESYSTEM + +============================================================================= +*/ + +char gamedirfile[MAX_OSPATH]; + +cvar_t *fs_userpath; +cvar_t *fs_sharepath; +cvar_t *fs_basegame; + + +int com_filesize; + +/* + In-memory pack file structs +*/ + +typedef struct +{ + char name[MAX_QPATH]; + int filepos, filelen; +} packfile_t; + +typedef struct pack_s +{ + char filename[MAX_OSPATH]; + FILE *handle; + int numfiles; + packfile_t *files; +} pack_t; + +/* + Structs for pack files on disk +*/ +typedef struct +{ + char name[56]; + int filepos, filelen; +} dpackfile_t; + +typedef struct +{ + char id[4]; + int dirofs; + int dirlen; +} dpackheader_t; + +#define MAX_FILES_IN_PACK 2048 + +char com_gamedir[MAX_OSPATH]; + +typedef struct searchpath_s +{ + char filename[MAX_OSPATH]; + pack_t *pack; // only one of filename / pack will be used + struct searchpath_s *next; +} searchpath_t; + +searchpath_t *com_searchpaths; +searchpath_t *com_base_searchpaths; // without gamedirs + +/* + COM_FileBase +*/ +void +COM_FileBase (char *in, char *out) +{ + char *s, *s2; + + s = in + strlen(in) - 1; + + while (s != in && *s != '.') + s--; + + for (s2 = s ; *s2 && *s2 != '/' ; s2--) + ; + + if (s-s2 < 2) + strcpy (out,"?model?"); + else + { + s--; + strncpy (out,s2+1, s-s2); + out[s-s2] = 0; + } +} + +/* + COM_filelength +*/ +int +COM_filelength (FILE *f) +{ + int pos; + int end; + + pos = ftell (f); + fseek (f, 0, SEEK_END); + end = ftell (f); + fseek (f, pos, SEEK_SET); + + return end; +} + +/* + COM_FileOpenRead +*/ +int +COM_FileOpenRead (char *path, FILE **hndl) +{ + FILE *f; + + f = fopen(path, "rb"); + if (!f) + { + *hndl = NULL; + return -1; + } + *hndl = f; + + return COM_filelength(f); +} + +/* + COM_Path_f +*/ +void +COM_Path_f (void) +{ + searchpath_t *s; + + Con_Printf ("Current search path:\n"); + for (s=com_searchpaths ; s ; s=s->next) + { + if (s == com_base_searchpaths) + Con_Printf ("----------\n"); + if (s->pack) + Con_Printf ("%s (%i files)\n", s->pack->filename, s->pack->numfiles); + else + Con_Printf ("%s\n", s->filename); + } +} + +/* + COM_Maplist_f + + List map files in gamepaths. +*/ +void +COM_Maplist_f ( void ) +{ + searchpath_t *search; + DIR *dir_ptr; + struct dirent *dirent; + char buf[MAX_OSPATH]; + + for (search = com_searchpaths ; search != NULL ; search = search->next) { + if (search->pack) { + int i; + pack_t *pak = search->pack; + Con_Printf ("Looking in %s...\n",search->pack->filename); + for (i=0 ; inumfiles ; i++) { + char *name=pak->files[i].name; + if (!fnmatch ("maps/*.bsp", name, FNM_PATHNAME) + || !fnmatch ("maps/*.bsp.gz", name, FNM_PATHNAME)) + Con_Printf ("%s\n", name+5); + } + } else { + snprintf (buf, sizeof(buf), "%s/maps", search->filename); + dir_ptr = opendir(buf); + Con_Printf ("Looking in %s...\n",buf); + if (!dir_ptr) + continue; + while ((dirent = readdir (dir_ptr))) + if (!fnmatch ("*.bsp", dirent->d_name, 0) + || !fnmatch ("*.bsp.gz", dirent->d_name, 0)) + Con_Printf ("%s\n", dirent->d_name); + closedir (dir_ptr); + } + } +} + +/* + COM_WriteFile + + The filename will be prefixed by the current game directory +*/ +void +COM_WriteFile ( char *filename, void *data, int len ) +{ + FILE *f; + char name[MAX_OSPATH]; + + snprintf(name, sizeof(name), "%s/%s", com_gamedir, filename); + + f = fopen (name, "wb"); + if (!f) { + Sys_mkdir(com_gamedir); + f = fopen (name, "wb"); + if (!f) + Sys_Error ("Error opening %s", filename); + } + + Sys_Printf ("COM_WriteFile: %s\n", name); + fwrite (data, 1, len, f); + fclose (f); +} + + +/* + COM_CreatePath + + Only used for CopyFile and download +*/ +void +COM_CreatePath ( char *path ) +{ + char *ofs; + char e_path[PATH_MAX]; + + Qexpand_squiggle (path, e_path); + path = e_path; + + for (ofs = path+1 ; *ofs ; ofs++) { + if (*ofs == '/') { // create the directory + *ofs = 0; + Sys_mkdir (path); + *ofs = '/'; + } + } +} + + +/* + COM_CopyFile + + Copies a file over from the net to the local cache, creating any + directories needed. This is for the convenience of developers using + ISDN from home. +*/ +void +COM_CopyFile (char *netpath, char *cachepath) +{ + FILE *in, *out; + int remaining, count; + char buf[4096]; + + remaining = COM_FileOpenRead (netpath, &in); + COM_CreatePath (cachepath); // create directories up to the cache file + out = fopen(cachepath, "wb"); + if (!out) + Sys_Error ("Error opening %s", cachepath); + + while (remaining) + { + if (remaining < sizeof(buf)) + count = remaining; + else + count = sizeof(buf); + fread (buf, 1, count, in); + fwrite (buf, 1, count, out); + remaining -= count; + } + + fclose (in); + fclose (out); +} + +/* + COM_OpenRead +*/ +FILE * +COM_OpenRead (const char *path, int offs, int len) +{ + int fd=open(path,O_RDONLY); + unsigned char id[2]; + unsigned char len_bytes[4]; + if (fd==-1) { + Sys_Error ("Couldn't open %s", path); + return 0; + } + if (offs<0 || len<0) { + // normal file + offs=0; + len=lseek(fd,0,SEEK_END); + lseek(fd,0,SEEK_SET); + } + read(fd,id,2); + if (id[0]==0x1f && id[1]==0x8b) { + lseek(fd,offs+len-4,SEEK_SET); + read(fd,len_bytes,4); + len=((len_bytes[3]<<24) + |(len_bytes[2]<<16) + |(len_bytes[1]<<8) + |(len_bytes[0])); + } + lseek(fd,offs,SEEK_SET); + com_filesize=len; + +#ifdef WIN32 + setmode(fd,O_BINARY); +#endif + return fdopen(fd,"rb"); + return 0; +} + +int file_from_pak; // global indicating file came from pack file ZOID + +/* + COM_FOpenFile + + Finds the file in the search path. + Sets com_filesize and one of handle or file +*/ +int +COM_FOpenFile (char *filename, FILE **gzfile) +{ + searchpath_t *search; + char netpath[MAX_OSPATH]; + pack_t *pak; + int i; + int findtime; + + file_from_pak = 0; + +// +// search through the path, one element at a time +// + for (search = com_searchpaths ; search ; search = search->next) + { + // is the element a pak file? + if (search->pack) + { + // look through all the pak file elements + pak = search->pack; + for (i=0 ; inumfiles ; i++) { + char *fn=0; + if (!strcmp (pak->files[i].name, filename)) + fn=filename; + if (fn) + { // found it! + if (developer->value) + Sys_Printf ("PackFile: %s : %s\n",pak->filename, fn); + // open a new file on the pakfile + *gzfile=COM_OpenRead(pak->filename,pak->files[i].filepos, + pak->files[i].filelen); + file_from_pak = 1; + return com_filesize; + } + } + } + else + { + // check a file in the directory tree + snprintf(netpath, sizeof(netpath), "%s/%s",search->filename, + filename); + + findtime = Sys_FileTime (netpath); + if (findtime == -1) { + continue; + } + + if(developer->value) + Sys_Printf ("FindFile: %s\n",netpath); + + *gzfile=COM_OpenRead(netpath,-1,-1); + return com_filesize; + } + + } + + Sys_Printf ("FindFile: can't find %s\n", filename); + + *gzfile = NULL; + com_filesize = -1; + return -1; +} + +cache_user_t *loadcache; +byte *loadbuf; +int loadsize; + +/* + COM_LoadFile + + Filename are relative to the quake directory. + Allways appends a 0 byte to the loaded data. +*/ +byte * +COM_LoadFile (char *path, int usehunk) +{ + FILE *h; + byte *buf; + char base[32]; + int len; + + buf = NULL; // quiet compiler warning + +// look for it in the filesystem or pack files + len = com_filesize = COM_FOpenFile (path, &h); + if (!h) + return NULL; + +// extract the filename base name for hunk tag + COM_FileBase (path, base); + + if (usehunk == 1) + buf = Hunk_AllocName (len+1, base); + else if (usehunk == 2) + buf = Hunk_TempAlloc (len+1); + else if (usehunk == 0) + buf = calloc (1, len+1); + else if (usehunk == 3) + buf = Cache_Alloc (loadcache, len+1, base); + else if (usehunk == 4) + { + if (len+1 > loadsize) + buf = Hunk_TempAlloc (len+1); + else + buf = loadbuf; + } + else + Sys_Error ("COM_LoadFile: bad usehunk"); + + if (!buf) + Sys_Error ("COM_LoadFile: not enough space for %s", path); + + ((byte *)buf)[len] = 0; + //if (!is_server) { + Draw_BeginDisc(); + //} + fread (buf, 1, len, h); + fclose (h); + //if (!is_server) { + Draw_EndDisc(); + //} + + return buf; +} + +byte * +COM_LoadHunkFile (char *path) +{ + return COM_LoadFile (path, 1); +} + +byte * +COM_LoadTempFile (char *path) +{ + return COM_LoadFile (path, 2); +} + +void +COM_LoadCacheFile (char *path, struct cache_user_s *cu) +{ + loadcache = cu; + COM_LoadFile (path, 3); +} + +// uses temp hunk if larger than bufsize +byte * +COM_LoadStackFile (char *path, void *buffer, int bufsize) +{ + byte *buf; + + loadbuf = (byte *)buffer; + loadsize = bufsize; + buf = COM_LoadFile (path, 4); + + return buf; +} + +/* + COM_LoadPackFile + + Takes an explicit (not game tree related) path to a pak file. + + Loads the header and directory, adding the files at the beginning + of the list so they override previous pack files. +*/ +pack_t * +COM_LoadPackFile (char *packfile) +{ + dpackheader_t header; + int i; + packfile_t *newfiles; + int numpackfiles; + pack_t *pack; + FILE *packhandle; + dpackfile_t info[MAX_FILES_IN_PACK]; + + if (COM_FileOpenRead (packfile, &packhandle) == -1) + return NULL; + + fread (&header, 1, sizeof(header), packhandle); + if (header.id[0] != 'P' || header.id[1] != 'A' + || header.id[2] != 'C' || header.id[3] != 'K') + Sys_Error ("%s is not a packfile", packfile); + header.dirofs = LittleLong (header.dirofs); + header.dirlen = LittleLong (header.dirlen); + + numpackfiles = header.dirlen / sizeof(dpackfile_t); + + if (numpackfiles > MAX_FILES_IN_PACK) + Sys_Error ("%s has %i files", packfile, numpackfiles); + + newfiles = calloc (1, numpackfiles * sizeof(packfile_t)); + + fseek (packhandle, header.dirofs, SEEK_SET); + fread (info, 1, header.dirlen, packhandle); + + +// parse the directory + for (i=0 ; ifilename, packfile); + pack->handle = packhandle; + pack->numfiles = numpackfiles; + pack->files = newfiles; + + Con_Printf ("Added packfile %s (%i files)\n", packfile, numpackfiles); + return pack; +} + +#define FBLOCK_SIZE 32 +#define FNAME_SIZE MAX_OSPATH + +// Note, this is /NOT/ a work-alike strcmp, this groups numbers sanely. +//int qstrcmp(const char *val, const char *ref) +int qstrcmp(char **os1, char **os2) +{ + int in1, in2, n1, n2; + char *s1, *s2; + s1 = *os1; + s2 = *os2; + + while (1) { + in1 = in2 = n1 = n2 = 0; + + if ((in1 = isdigit((int) *s1))) + n1 = strtol(s1, &s1, 10); + + if ((in2 = isdigit((int) *s2))) + n2 = strtol(s2, &s2, 10); + + if (in1 && in2) { + if (n1 != n2) + return n1-n2; + } else { + if (*s1 != *s2) + return *s1 - *s2; + else if (*s1 == '\0') + return *s1 - *s2; + s1++; + s2++; + } + } +} + + +void +COM_LoadGameDirectory(char *dir) +{ + searchpath_t *search; + pack_t *pak; + DIR *dir_ptr; + struct dirent *dirent; + char **pakfiles = NULL; + int i = 0, bufsize = 0, count = 0; + + Con_DPrintf ("COM_LoadGameDirectory (\"%s\")\n", dir); + + pakfiles = calloc(1, FBLOCK_SIZE * sizeof(char *)); + bufsize += FBLOCK_SIZE; + if (!pakfiles) + goto COM_LoadGameDirectory_free; + + for (i = count; i < bufsize; i++) { + pakfiles[i] = NULL; + } + + dir_ptr = opendir(dir); + if (!dir_ptr) + return; + + while ((dirent = readdir(dir_ptr))) { + if (!fnmatch("*.pak", dirent->d_name, 0)) { + if (count >= bufsize) { + bufsize += FBLOCK_SIZE; + pakfiles = realloc(pakfiles, bufsize * sizeof(char *)); + if (!pakfiles) + goto COM_LoadGameDirectory_free; + for (i = count; i < bufsize; i++) + pakfiles[i] = NULL; + } + + pakfiles[count] = malloc(FNAME_SIZE); + snprintf(pakfiles[count], FNAME_SIZE - 1, "%s/%s", dir, + dirent->d_name); + pakfiles[count][FNAME_SIZE - 1] = '\0'; + count++; + } + } + closedir(dir_ptr); + + // XXX WARNING!!! This is /NOT/ subtable for strcmp!!!!! + // This passes 'char **' instead of 'char *' to the cmp function! + qsort(pakfiles, count, sizeof(char *), + (int (*)(const void *, const void *)) qstrcmp); + + for (i = 0; i < count; i++) { + pak = COM_LoadPackFile(pakfiles[i]); + + if (!pak) { + Sys_Error(va("Bad pakfile %s!!", pakfiles[i])); + } else { + search = calloc (1, sizeof(searchpath_t)); + search->pack = pak; + search->next = com_searchpaths; + com_searchpaths = search; + } + } + +COM_LoadGameDirectory_free: + for (i = 0; i < count; i++) + free(pakfiles[i]); + free(pakfiles); +} + +/* + COM_AddDirectory + + Sets com_gamedir, adds the directory to the head of the path, + then loads and adds pak1.pak pak2.pak ... +*/ +void +COM_AddDirectory (char *dir) +{ + searchpath_t *search; + char *p; + char e_dir[PATH_MAX]; + + Qexpand_squiggle (dir, e_dir); + dir = e_dir; + + if ((p = strrchr(dir, '/')) != NULL) { + strcpy (gamedirfile, ++p); + strcpy (com_gamedir, dir); + } else { + strcpy (gamedirfile, dir); + strcpy (com_gamedir, va("%s/%s", fs_userpath->string, dir)); + } + +// +// add the directory to the search path +// + search = calloc (1, sizeof(searchpath_t)); + strcpy (search->filename, dir); + search->next = com_searchpaths; + com_searchpaths = search; + +// +// add any pak files in the format pak0.pak pak1.pak, ... +// + + COM_LoadGameDirectory (dir); +} + +/* + COM_AddGameDirectory + + FIXME: this is a wrapper for COM_AddDirectory (which used to be + this function) to have it load share and base paths. Whenver + someone goes through to clean up the fs code, this function should + merge with COM_AddGameDirectory. +*/ +void +COM_AddGameDirectory (char *dir) +{ + Con_DPrintf ("COM_AddGameDirectory (\"%s/%s\")\n", + fs_sharepath->string, dir); + + if (strcmp (fs_sharepath->string, fs_userpath->string) != 0) + COM_AddDirectory (va("%s/%s", fs_sharepath->string, dir)); + COM_AddDirectory (va("%s/%s", fs_userpath->string, dir)); +} + +/* + COM_Gamedir + + Sets the gamedir and path to a different directory. +*/ +void +COM_Gamedir (char *dir) +{ + searchpath_t *next; + + if (strstr(dir, "..") || strstr(dir, "/") + || strstr(dir, "\\") || strstr(dir, ":") ) + { + Con_Printf ("Gamedir should be a single filename, not a path\n"); + return; + } + + if (strcmp (gamedirfile, dir) == 0) + return; // still the same + strcpy (gamedirfile, dir); + + // + // free up any current game dir info + // + while (com_searchpaths != com_base_searchpaths) + { + if (com_searchpaths->pack) + { + fclose (com_searchpaths->pack->handle); + free (com_searchpaths->pack->files); + free (com_searchpaths->pack); + } + next = com_searchpaths->next; + free (com_searchpaths); + com_searchpaths = next; + } + + // + // flush all data, so it will be forced to reload + // + Cache_Flush (); + + if (strcmp (dir, fs_basegame->string) == 0) + return; + if (strcmp (dir, "qw") == 0 + && strcmp (fs_basegame->string, "id1") == 0) + return; + + COM_AddGameDirectory (dir); +} + +/* +================ +SV_Gamedir_f + +Sets the gamedir and path to a different directory. +================ +*/ + +void COM_Gamedir_f (void) +{ + char *dir; + + if (Cmd_Argc() == 1) + { + Con_Printf ("Current gamedir: %s\n", gamedirfile); + return; + } + + if (Cmd_Argc() != 2) + { + Con_Printf ("Usage: gamedir \n"); + return; + } + + dir = Cmd_Argv(1); + + if (strstr(dir, "..") || strstr(dir, "/") + || strstr(dir, "\\") || strstr(dir, ":") ) + { + Con_Printf ("Gamedir should be a single filename, not a path\n"); + return; + } + + COM_Gamedir (dir); +/* XXX not in nuq? + if (is_server) { + Info_SetValueForStarKey (svs.info, "*gamedir", dir, + MAX_SERVERINFO_STRING); + } +*/ +} + +/* + COM_InitFilesystem +*/ +void +COM_InitFilesystem ( void ) +{ + fs_sharepath = Cvar_Get ("fs_sharepath", FS_SHAREPATH, CVAR_ROM, + "location of shared (read only) game directories"); + fs_userpath = Cvar_Get ("fs_userpath", FS_USERPATH, CVAR_ROM, + "location of your game directories"); + fs_basegame = Cvar_Get ("fs_basegame", BASEGAME, CVAR_ROM, + "game to use by default"); + Cmd_AddCommand ("gamedir", COM_Gamedir_f); + +/* + start up with basegame->string by default +*/ + COM_CreatePath (va("%s/%s/dummy", fs_userpath->string, + fs_basegame->string)); + COM_AddGameDirectory(fs_basegame->string); + + // If we're dealing with id1, use qw too + if (stricmp (fs_basegame->string, "id1") == 0) + { + COM_CreatePath (va("%s/qw/dummy", fs_userpath->string)); + COM_AddGameDirectory ("qw"); + } + + // any set gamedirs will be freed up to here + com_base_searchpaths = com_searchpaths; +} + +/* +============ +COM_SkipPath +============ +*/ +char *COM_SkipPath (char *pathname) +{ + char *last; + + last = pathname; + while (*pathname) + { + if (*pathname=='/') + last = pathname+1; + pathname++; + } + return last; +} + +/* +============ +COM_StripExtension +============ +*/ +void COM_StripExtension (char *in, char *out) +{ + while (*in && *in != '.') + *out++ = *in++; + *out = 0; +} + +/* +============ +COM_FileExtension +============ +*/ +char *COM_FileExtension (char *in) +{ + static char exten[8]; + int i; + + while (*in && *in != '.') + in++; + if (!*in) + return ""; + in++; + for (i=0 ; i<7 && *in ; i++,in++) + exten[i] = *in; + exten[i] = 0; + return exten; +} + + +/* +================== +COM_DefaultExtension +================== +*/ +void COM_DefaultExtension (char *path, char *extension) +{ + char *src; +// +// if path doesn't have a .EXT, append extension +// (extension should include the .) +// + src = path + strlen(path) - 1; + + while (*src != '/' && src != path) + { + if (*src == '.') + return; // it has an extension + src--; + } + + strcat (path, extension); +} diff --git a/source/quakeio.c b/source/quakeio.c new file mode 100644 index 0000000..80a2aa6 --- /dev/null +++ b/source/quakeio.c @@ -0,0 +1,193 @@ +/* + quakeio.c + + (description) + + Copyright (C) 1996-1997 Id Software, Inc. + Copyright (C) 1999,2000 contributors of the QuakeForge project + Please see the file "AUTHORS" for a list of contributors + + 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: + + Free Software Foundation, Inc. + 59 Temple Place - Suite 330 + Boston, MA 02111-1307, USA + + $Id$ +*/ + +#ifdef HAVE_CONFIG_H +# include +#endif +#ifdef HAVE_MALLOC_H +# include +#endif +#include +#include +#include +#include +#ifdef WIN32 +# include +# include +#else +# include +#endif +#ifdef HAVE_UNISTD_H +# include +#endif + +#ifdef _MSC_VER +# define _POSIX_ +#endif +#include + +void +Qexpand_squiggle(const char *path, char *dest) +{ + char *home; +#ifndef _WIN32 + struct passwd *pwd_ent; +#endif + + if (strncmp (path, "~/",2) != 0) { + strcpy (dest,path); + return; + } + +#ifndef _WIN32 + if ((pwd_ent = getpwuid (getuid()))) { + home = pwd_ent->pw_dir; + } else +#endif + home = getenv("HOME"); + + if (home) { + strcpy (dest, home); + strcat (dest, path+1); // skip leading ~ + } else + strcpy (dest,path); +} + +int +Qrename(const char *old, const char *new) +{ + char e_old[PATH_MAX]; + char e_new[PATH_MAX]; + + Qexpand_squiggle (old, e_old); + Qexpand_squiggle (new, e_new); + return rename (e_old, e_new); +} + +FILE * +Qopen(const char *path, const char *mode) +{ + FILE *file; + char e_path[PATH_MAX]; + + Qexpand_squiggle (path, e_path); + path = e_path; + + file=fopen(path,mode); + return file; +} + +FILE * +Qdopen(int fd, const char *mode) +{ + FILE *file; + + file=fdopen(fd,mode); +#ifdef WIN32 +# ifdef __BORLANDC__ + setmode(_fileno(file),O_BINARY); +# else + _setmode(_fileno(file),_O_BINARY); +# endif +#endif + return file; +} + +void +Qclose(FILE *file) +{ + fclose(file); +} + +int +Qread(FILE *file, void *buf, int count) +{ + return fread(buf, 1, count, file); +} + +int +Qwrite(FILE *file, void *buf, int count) +{ + return fwrite(buf, 1, count, file); +} + +int +Qprintf(FILE *file, const char *fmt, ...) +{ + va_list args; + int ret=-1; + + va_start(args,fmt); + ret=vfprintf(file, fmt, args); + va_end(args); + return ret; +} + +char * +Qgets(FILE *file, char *buf, int count) +{ + return fgets(buf, count, file); +} + +int +Qgetc(FILE *file) +{ + return fgetc(file); +} + +int +Qputc(FILE *file, int c) +{ + return fputc(c, file); +} + +int +Qseek(FILE *file, long offset, int whence) +{ + return fseek(file, offset, whence); +} + +long +Qtell(FILE *file) +{ + return ftell(file); +} + +int +Qflush(FILE *file) +{ + return fflush(file); +} + +int +Qeof(FILE *file) +{ + return feof(file); +} diff --git a/source/sizebuf.c b/source/sizebuf.c new file mode 100644 index 0000000..53cdf89 --- /dev/null +++ b/source/sizebuf.c @@ -0,0 +1,90 @@ +/* + sizebuf.c + + (description) + + Copyright (C) 1996-1997 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: + + Free Software Foundation, Inc. + 59 Temple Place - Suite 330 + Boston, MA 02111-1307, USA + + $Id$ +*/ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include "sizebuf.h" +#include "sys.h" +#include "zone.h" + +void SZ_Alloc (sizebuf_t *buf, int startsize) +{ + if (startsize < 256) + startsize = 256; + buf->data = Hunk_AllocName (startsize, "sizebuf"); + buf->maxsize = startsize; + buf->cursize = 0; +} + +void SZ_Clear (sizebuf_t *buf) +{ + buf->cursize = 0; + buf->overflowed = false; +} + +void *SZ_GetSpace (sizebuf_t *buf, int length) +{ + void *data; + + if (buf->cursize + length > buf->maxsize) + { + if (!buf->allowoverflow) + Sys_Error ("SZ_GetSpace: overflow without allowoverflow set (%d)", buf->maxsize); + + if (length > buf->maxsize) + Sys_Error ("SZ_GetSpace: %i is > full buffer size", length); + + Sys_Printf ("SZ_GetSpace: overflow\n"); // because Con_Printf may be redirected + SZ_Clear (buf); + buf->overflowed = true; + } + + data = buf->data + buf->cursize; + buf->cursize += length; + + return data; +} + +void SZ_Write (sizebuf_t *buf, void *data, int length) +{ + memcpy (SZ_GetSpace(buf,length),data,length); +} + +void SZ_Print (sizebuf_t *buf, char *data) +{ + int len; + + len = strlen(data)+1; + + if (!buf->cursize || buf->data[buf->cursize-1]) + memcpy ((byte *)SZ_GetSpace(buf, len),data,len); // no trailing 0 + else + memcpy ((byte *)SZ_GetSpace(buf, len-1)-1,data,len); // write over trailing 0 +} diff --git a/source/va.c b/source/va.c new file mode 100644 index 0000000..df2a1b1 --- /dev/null +++ b/source/va.c @@ -0,0 +1,55 @@ +/* + va.c + + varargs printf function + + Copyright (C) 1996-1997 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: + + Free Software Foundation, Inc. + 59 Temple Place - Suite 330 + Boston, MA 02111-1307, USA + + $Id$ +*/ + +#ifdef HAVE_CONFIG_H +# include +#endif +#include +#include + +#include "qtypes.h" + +/* + va + + does a varargs printf into a temp buffer, so I don't need to have + varargs versions of all text functions. + FIXME: make this buffer size safe someday +*/ +char * +va(char *format, ...) +{ + va_list argptr; + static char string[1024]; + + va_start (argptr, format); + vsnprintf (string, sizeof(string), format, argptr); + va_end (argptr); + + return string; +}