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1.1 root 1: // cvar.c -- dynamic variable tracking 1.1.1.2 ! root 2: 1.1 root 3: #include "qcommon.h" 1.1.1.2 ! root 4: 1.1 root 5: cvar_t *cvar_vars; 1.1.1.2 ! root 6: 1.1 root 7: /* 8: ============ 9: Cvar_InfoValidate 10: ============ 11: */ 12: static qboolean Cvar_InfoValidate (char *s) 13: { 14: if (strstr (s, "\\")) 15: return false; 16: if (strstr (s, "\"")) 17: return false; 18: if (strstr (s, ";")) 19: return false; 20: return true; 21: } 22: 23: /* 24: ============ 25: Cvar_FindVar 26: ============ 27: */ 28: static cvar_t *Cvar_FindVar (char *var_name) 29: { 30: cvar_t *var; 31: 32: for (var=cvar_vars ; var ; var=var->next) 33: if (!strcmp (var_name, var->name)) 34: return var; 1.1.1.2 ! root 35: 1.1 root 36: return NULL; 37: } 1.1.1.2 ! root 38: 1.1 root 39: /* 40: ============ 41: Cvar_VariableValue 42: ============ 43: */ 44: float Cvar_VariableValue (char *var_name) 45: { 46: cvar_t *var; 47: 48: var = Cvar_FindVar (var_name); 49: if (!var) 50: return 0; 51: return atof (var->string); 52: } 1.1.1.2 ! root 53: ! 54: 1.1 root 55: /* 56: ============ 57: Cvar_VariableString 58: ============ 59: */ 60: char *Cvar_VariableString (char *var_name) 61: { 62: cvar_t *var; 63: 64: var = Cvar_FindVar (var_name); 65: if (!var) 66: return ""; 67: return var->string; 68: } 1.1.1.2 ! root 69: ! 70: 1.1 root 71: /* 72: ============ 73: Cvar_CompleteVariable 74: ============ 75: */ 76: char *Cvar_CompleteVariable (char *partial) 77: { 78: cvar_t *cvar; 79: int len; 80: 81: len = strlen(partial); 82: 83: if (!len) 84: return NULL; 85: 86: // check exact match 87: for (cvar=cvar_vars ; cvar ; cvar=cvar->next) 88: if (!strcmp (partial,cvar->name)) 89: return cvar->name; 1.1.1.2 ! root 90: 1.1 root 91: // check partial match 92: for (cvar=cvar_vars ; cvar ; cvar=cvar->next) 93: if (!strncmp (partial,cvar->name, len)) 94: return cvar->name; 1.1.1.2 ! root 95: 1.1 root 96: return NULL; 97: } 1.1.1.2 ! root 98: ! 99: 1.1 root 100: /* 101: ============ 102: Cvar_Get 1.1.1.2 ! root 103: 1.1 root 104: If the variable already exists, the value will not be set 105: The flags will be or'ed in if the variable exists. 106: ============ 107: */ 108: cvar_t *Cvar_Get (char *var_name, char *var_value, int flags) 109: { 110: cvar_t *var; 111: 112: if (flags & (CVAR_USERINFO | CVAR_SERVERINFO)) 113: { 114: if (!Cvar_InfoValidate (var_name)) 115: { 116: Com_Printf("invalid info cvar name\n"); 117: return NULL; 118: } 119: } 120: 121: var = Cvar_FindVar (var_name); 122: if (var) 123: { 124: var->flags |= flags; 125: return var; 126: } 1.1.1.2 ! root 127: 1.1 root 128: if (!var_value) 129: return NULL; 130: 131: if (flags & (CVAR_USERINFO | CVAR_SERVERINFO)) 132: { 133: if (!Cvar_InfoValidate (var_value)) 134: { 135: Com_Printf("invalid info cvar value\n"); 136: return NULL; 137: } 138: } 139: 140: var = Z_Malloc (sizeof(*var)); 141: var->name = CopyString (var_name); 142: var->string = CopyString (var_value); 143: var->modified = true; 144: var->value = atof (var->string); 1.1.1.2 ! root 145: 1.1 root 146: // link the variable in 147: var->next = cvar_vars; 148: cvar_vars = var; 1.1.1.2 ! root 149: 1.1 root 150: var->flags = flags; 1.1.1.2 ! root 151: 1.1 root 152: return var; 153: } 1.1.1.2 ! root 154: 1.1 root 155: /* 156: ============ 157: Cvar_Set2 158: ============ 159: */ 160: cvar_t *Cvar_Set2 (char *var_name, char *value, qboolean force) 161: { 162: cvar_t *var; 163: 164: var = Cvar_FindVar (var_name); 165: if (!var) 166: { // create it 167: return Cvar_Get (var_name, value, 0); 168: } 1.1.1.2 ! root 169: 1.1 root 170: if (var->flags & (CVAR_USERINFO | CVAR_SERVERINFO)) 171: { 172: if (!Cvar_InfoValidate (value)) 173: { 174: Com_Printf("invalid info cvar value\n"); 175: return var; 176: } 177: } 178: 179: if (!force) 180: { 181: if (var->flags & CVAR_NOSET) 182: { 183: Com_Printf ("%s is write protected.\n", var_name); 184: return var; 185: } 1.1.1.2 ! root 186: 1.1 root 187: if (var->flags & CVAR_LATCH) 188: { 189: if (var->latched_string) 190: { 191: if (strcmp(value, var->latched_string) == 0) 192: return var; 193: Z_Free (var->latched_string); 194: } 195: else 196: { 197: if (strcmp(value, var->string) == 0) 198: return var; 199: } 200: 201: if (Com_ServerState()) 202: { 203: Com_Printf ("%s will be changed for next game.\n", var_name); 204: var->latched_string = CopyString(value); 205: } 206: else 207: { 208: var->string = CopyString(value); 209: var->value = atof (var->string); 210: if (!strcmp(var->name, "game")) 211: { 212: FS_SetGamedir (var->string); 213: FS_ExecAutoexec (); 214: } 215: } 216: return var; 217: } 218: } 219: else 220: { 221: if (var->latched_string) 222: { 223: Z_Free (var->latched_string); 224: var->latched_string = NULL; 225: } 226: } 1.1.1.2 ! root 227: 1.1 root 228: if (!strcmp(value, var->string)) 229: return var; // not changed 1.1.1.2 ! root 230: 1.1 root 231: var->modified = true; 1.1.1.2 ! root 232: 1.1 root 233: if (var->flags & CVAR_USERINFO) 234: userinfo_modified = true; // transmit at next oportunity 235: 236: Z_Free (var->string); // free the old value string 237: 238: var->string = CopyString(value); 239: var->value = atof (var->string); 1.1.1.2 ! root 240: 1.1 root 241: return var; 242: } 1.1.1.2 ! root 243: 1.1 root 244: /* 245: ============ 246: Cvar_ForceSet 247: ============ 248: */ 249: cvar_t *Cvar_ForceSet (char *var_name, char *value) 250: { 251: return Cvar_Set2 (var_name, value, true); 252: } 1.1.1.2 ! root 253: 1.1 root 254: /* 255: ============ 256: Cvar_Set 257: ============ 258: */ 259: cvar_t *Cvar_Set (char *var_name, char *value) 260: { 261: return Cvar_Set2 (var_name, value, false); 262: } 1.1.1.2 ! root 263: 1.1 root 264: /* 265: ============ 266: Cvar_FullSet 267: ============ 268: */ 269: cvar_t *Cvar_FullSet (char *var_name, char *value, int flags) 270: { 271: cvar_t *var; 272: 273: var = Cvar_FindVar (var_name); 274: if (!var) 275: { // create it 276: return Cvar_Get (var_name, value, flags); 277: } 1.1.1.2 ! root 278: 1.1 root 279: var->modified = true; 1.1.1.2 ! root 280: 1.1 root 281: if (var->flags & CVAR_USERINFO) 282: userinfo_modified = true; // transmit at next oportunity 283: 284: Z_Free (var->string); // free the old value string 285: 286: var->string = CopyString(value); 287: var->value = atof (var->string); 288: var->flags = flags; 1.1.1.2 ! root 289: 1.1 root 290: return var; 291: } 1.1.1.2 ! root 292: 1.1 root 293: /* 294: ============ 295: Cvar_SetValue 296: ============ 297: */ 298: void Cvar_SetValue (char *var_name, float value) 299: { 300: char val[32]; 301: 302: if (value == (int)value) 303: Com_sprintf (val, sizeof(val), "%i",(int)value); 304: else 305: Com_sprintf (val, sizeof(val), "%f",value); 306: Cvar_Set (var_name, val); 307: } 1.1.1.2 ! root 308: ! 309: 1.1 root 310: /* 311: ============ 312: Cvar_GetLatchedVars 1.1.1.2 ! root 313: 1.1 root 314: Any variables with latched values will now be updated 315: ============ 316: */ 317: void Cvar_GetLatchedVars (void) 318: { 319: cvar_t *var; 1.1.1.2 ! root 320: 1.1 root 321: for (var = cvar_vars ; var ; var = var->next) 322: { 323: if (!var->latched_string) 324: continue; 325: Z_Free (var->string); 326: var->string = var->latched_string; 327: var->latched_string = NULL; 328: var->value = atof(var->string); 329: if (!strcmp(var->name, "game")) 330: { 331: FS_SetGamedir (var->string); 332: FS_ExecAutoexec (); 333: } 334: } 335: } 1.1.1.2 ! root 336: 1.1 root 337: /* 338: ============ 339: Cvar_Command 1.1.1.2 ! root 340: 1.1 root 341: Handles variable inspection and changing from the console 342: ============ 343: */ 344: qboolean Cvar_Command (void) 345: { 346: cvar_t *v; 1.1.1.2 ! root 347: 1.1 root 348: // check variables 349: v = Cvar_FindVar (Cmd_Argv(0)); 350: if (!v) 351: return false; 352: 353: // perform a variable print or set 354: if (Cmd_Argc() == 1) 355: { 356: Com_Printf ("\"%s\" is \"%s\"\n", v->name, v->string); 357: return true; 358: } 1.1.1.2 ! root 359: 1.1 root 360: Cvar_Set (v->name, Cmd_Argv(1)); 361: return true; 362: } 1.1.1.2 ! root 363: ! 364: 1.1 root 365: /* 366: ============ 367: Cvar_Set_f 1.1.1.2 ! root 368: 1.1 root 369: Allows setting and defining of arbitrary cvars from console 370: ============ 371: */ 372: void Cvar_Set_f (void) 373: { 374: int c; 375: int flags; 1.1.1.2 ! root 376: 1.1 root 377: c = Cmd_Argc(); 378: if (c != 3 && c != 4) 379: { 380: Com_Printf ("usage: set <variable> <value> [u / s]\n"); 381: return; 382: } 1.1.1.2 ! root 383: 1.1 root 384: if (c == 4) 385: { 386: if (!strcmp(Cmd_Argv(3), "u")) 387: flags = CVAR_USERINFO; 388: else if (!strcmp(Cmd_Argv(3), "s")) 389: flags = CVAR_SERVERINFO; 390: else 391: { 392: Com_Printf ("flags can only be 'u' or 's'\n"); 393: return; 394: } 395: Cvar_FullSet (Cmd_Argv(1), Cmd_Argv(2), flags); 396: } 397: else 398: Cvar_Set (Cmd_Argv(1), Cmd_Argv(2)); 399: } 1.1.1.2 ! root 400: ! 401: 1.1 root 402: /* 403: ============ 404: Cvar_WriteVariables 1.1.1.2 ! root 405: 1.1 root 406: Appends lines containing "set variable value" for all variables 407: with the archive flag set to true. 408: ============ 409: */ 410: void Cvar_WriteVariables (char *path) 411: { 412: cvar_t *var; 413: char buffer[1024]; 414: FILE *f; 1.1.1.2 ! root 415: 1.1 root 416: f = fopen (path, "a"); 417: for (var = cvar_vars ; var ; var = var->next) 418: { 419: if (var->flags & CVAR_ARCHIVE) 420: { 421: Com_sprintf (buffer, sizeof(buffer), "set %s \"%s\"\n", var->name, var->string); 422: fprintf (f, "%s", buffer); 423: } 424: } 425: fclose (f); 426: } 1.1.1.2 ! root 427: 1.1 root 428: /* 429: ============ 430: Cvar_List_f 1.1.1.2 ! root 431: 1.1 root 432: ============ 433: */ 434: void Cvar_List_f (void) 435: { 436: cvar_t *var; 437: int i; 1.1.1.2 ! root 438: 1.1 root 439: i = 0; 440: for (var = cvar_vars ; var ; var = var->next, i++) 441: { 442: if (var->flags & CVAR_ARCHIVE) 443: Com_Printf ("*"); 444: else 445: Com_Printf (" "); 446: if (var->flags & CVAR_USERINFO) 447: Com_Printf ("U"); 448: else 449: Com_Printf (" "); 450: if (var->flags & CVAR_SERVERINFO) 451: Com_Printf ("S"); 452: else 453: Com_Printf (" "); 454: if (var->flags & CVAR_NOSET) 455: Com_Printf ("-"); 456: else if (var->flags & CVAR_LATCH) 457: Com_Printf ("L"); 458: else 459: Com_Printf (" "); 460: Com_Printf (" %s \"%s\"\n", var->name, var->string); 461: } 462: Com_Printf ("%i cvars\n", i); 463: } 1.1.1.2 ! root 464: ! 465: 1.1 root 466: qboolean userinfo_modified; 1.1.1.2 ! root 467: ! 468: 1.1 root 469: char *Cvar_BitInfo (int bit) 470: { 471: static char info[MAX_INFO_STRING]; 472: cvar_t *var; 1.1.1.2 ! root 473: 1.1 root 474: info[0] = 0; 1.1.1.2 ! root 475: 1.1 root 476: for (var = cvar_vars ; var ; var = var->next) 477: { 478: if (var->flags & bit) 479: Info_SetValueForKey (info, var->name, var->string); 480: } 481: return info; 482: } 1.1.1.2 ! root 483: 1.1 root 484: // returns an info string containing all the CVAR_USERINFO cvars 485: char *Cvar_Userinfo (void) 486: { 487: return Cvar_BitInfo (CVAR_USERINFO); 488: } 1.1.1.2 ! root 489: 1.1 root 490: // returns an info string containing all the CVAR_SERVERINFO cvars 491: char *Cvar_Serverinfo (void) 492: { 493: return Cvar_BitInfo (CVAR_SERVERINFO); 494: } 1.1.1.2 ! root 495: 1.1 root 496: /* 497: ============ 498: Cvar_Init 1.1.1.2 ! root 499: 1.1 root 500: Reads in all archived cvars 501: ============ 502: */ 503: void Cvar_Init (void) 504: { 505: Cmd_AddCommand ("set", Cvar_Set_f); 506: Cmd_AddCommand ("cvarlist", Cvar_List_f); 1.1.1.2 ! root 507: 1.1 root 508: }
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