1 /* 2 Copyright (C) 1996-1997 Id Software, Inc. 3 4 This program is free software; you can redistribute it and/or 5 modify it under the terms of the GNU General Public License 6 as published by the Free Software Foundation; either version 2 7 of the License, or (at your option) any later version. 8 9 This program is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 12 13 See the GNU General Public License for more details. 14 15 You should have received a copy of the GNU General Public License 16 along with this program; if not, write to the Free Software 17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 18 19 */ 20 21 // Based on sys_linux.c 22 23 #include <unistd.h> 24 #include <signal.h> 25 #include <stdlib.h> 26 #include <limits.h> 27 #include <sys/time.h> 28 #include <sys/types.h> 29 #include <unistd.h> 30 #include <fcntl.h> 31 #include <stdarg.h> 32 #include <stdio.h> 33 // #include <sys/ipc.h> 34 // #include <sys/shm.h> 35 #include <sys/stat.h> 36 #include <string.h> 37 #include <ctype.h> 38 #include <sys/wait.h> 39 #include <sys/mman.h> 40 #include <errno.h> 41 42 #include "quakedef.h" 43 44 int noconinput = 0; 45 int nostdout = 0; 46 47 char *basedir = "/sdcard/data/quake"; 48 char *cachedir = "/tmp"; 49 50 cvar_t sys_linerefresh = CVAR2("sys_linerefresh","0");// set for entity display 51 52 // ======================================================================= 53 // General routines 54 // ======================================================================= 55 56 void Sys_DebugNumber(int y, int val) 57 { 58 } 59 60 /* 61 void Sys_Printf (char *fmt, ...) 62 { 63 va_list argptr; 64 char text[1024]; 65 66 va_start (argptr,fmt); 67 vsprintf (text,fmt,argptr); 68 va_end (argptr); 69 fprintf(stderr, "%s", text); 70 71 Con_Print (text); 72 } 73 74 void Sys_Printf (char *fmt, ...) 75 { 76 77 va_list argptr; 78 char text[1024], *t_p; 79 int l, r; 80 81 if (nostdout) 82 return; 83 84 va_start (argptr,fmt); 85 vsprintf (text,fmt,argptr); 86 va_end (argptr); 87 88 l = strlen(text); 89 t_p = text; 90 91 // make sure everything goes through, even though we are non-blocking 92 while (l) 93 { 94 r = write (1, text, l); 95 if (r != l) 96 sleep (0); 97 if (r > 0) 98 { 99 t_p += r; 100 l -= r; 101 } 102 } 103 104 } 105 */ 106 107 void Sys_Printf (char *fmt, ...) 108 { 109 va_list argptr; 110 char text[2048]; 111 unsigned char *p; 112 113 va_start (argptr,fmt); 114 vsprintf (text,fmt,argptr); 115 va_end (argptr); 116 117 if (strlen(text) > sizeof(text)) 118 Sys_Error("memory overwrite in Sys_Printf"); 119 120 if (nostdout) 121 return; 122 123 for (p = (unsigned char *)text; *p; p++) 124 if ((*p > 128 || *p < 32) && *p != 10 && *p != 13 && *p != 9) 125 printf("[%02x]", *p); 126 else 127 putc(*p, stdout); 128 } 129 130 void Sys_Quit (void) 131 { 132 Host_Shutdown(); 133 printf("Sys_Quit - exiting."); 134 // fcntl (0, F_SETFL, fcntl (0, F_GETFL, 0) & ~FNDELAY); 135 exit(0); 136 } 137 138 void Sys_Init(void) 139 { 140 #if id386 141 Sys_SetFPCW(); 142 #endif 143 } 144 145 void Sys_Error (char *error, ...) 146 { 147 va_list argptr; 148 char string[1024]; 149 150 // change stdin to non blocking 151 // fcntl (0, F_SETFL, fcntl (0, F_GETFL, 0) & ~FNDELAY); 152 153 va_start (argptr,error); 154 vsprintf (string,error,argptr); 155 va_end (argptr); 156 fprintf(stderr, "Error: %s\n", string); 157 158 Host_Shutdown (); 159 printf("Sys_Error - exiting."); 160 exit (1); 161 162 } 163 164 void Sys_Warn (char *warning, ...) 165 { 166 va_list argptr; 167 char string[1024]; 168 169 va_start (argptr,warning); 170 vsprintf (string,warning,argptr); 171 va_end (argptr); 172 fprintf(stderr, "Warning: %s", string); 173 } 174 175 /* 176 ============ 177 Sys_FileTime 178 179 returns -1 if not present 180 ============ 181 */ 182 int Sys_FileTime (char *path) 183 { 184 struct stat buf; 185 186 if (stat (path,&buf) == -1) 187 return -1; 188 189 return buf.st_mtime; 190 } 191 192 193 void Sys_mkdir (char *path) 194 { 195 mkdir (path, 0777); 196 } 197 198 int Sys_FileOpenRead (char *path, int *handle) 199 { 200 int h; 201 struct stat fileinfo; 202 203 204 h = open (path, O_RDONLY, 0666); 205 *handle = h; 206 if (h == -1) 207 return -1; 208 209 if (fstat (h,&fileinfo) == -1) 210 Sys_Error ("Error fstating %s", path); 211 212 return fileinfo.st_size; 213 } 214 215 int Sys_FileOpenWrite (char *path) 216 { 217 int handle; 218 219 umask (0); 220 221 handle = open(path,O_RDWR | O_CREAT | O_TRUNC 222 , 0666); 223 224 if (handle == -1) 225 Sys_Error ("Error opening %s: %s", path,strerror(errno)); 226 227 return handle; 228 } 229 230 int Sys_FileWrite (int handle, void *src, int count) 231 { 232 return write (handle, src, count); 233 } 234 235 void Sys_FileClose (int handle) 236 { 237 close (handle); 238 } 239 240 void Sys_FileSeek (int handle, int position) 241 { 242 lseek (handle, position, SEEK_SET); 243 } 244 245 int Sys_FileRead (int handle, void *dest, int count) 246 { 247 return read (handle, dest, count); 248 } 249 250 void Sys_DebugLog(char *file, char *fmt, ...) 251 { 252 va_list argptr; 253 static char data[1024]; 254 int fd; 255 256 va_start(argptr, fmt); 257 vsprintf(data, fmt, argptr); 258 va_end(argptr); 259 // fd = open(file, O_WRONLY | O_BINARY | O_CREAT | O_APPEND, 0666); 260 fd = open(file, O_WRONLY | O_CREAT | O_APPEND, 0666); 261 write(fd, data, strlen(data)); 262 close(fd); 263 } 264 265 void Sys_EditFile(char *filename) 266 { 267 268 char cmd[256]; 269 char *term; 270 char *editor; 271 272 term = getenv("TERM"); 273 if (term && !strcmp(term, "xterm")) 274 { 275 editor = getenv("VISUAL"); 276 if (!editor) 277 editor = getenv("EDITOR"); 278 if (!editor) 279 editor = getenv("EDIT"); 280 if (!editor) 281 editor = "vi"; 282 sprintf(cmd, "xterm -e %s %s", editor, filename); 283 system(cmd); 284 } 285 286 } 287 288 double Sys_DoubleTime (void) 289 { 290 struct timeval tp; 291 struct timezone tzp; 292 static int secbase; 293 294 gettimeofday(&tp, &tzp); 295 296 if (!secbase) 297 { 298 secbase = tp.tv_sec; 299 return tp.tv_usec/1000000.0; 300 } 301 302 return (tp.tv_sec - secbase) + tp.tv_usec/1000000.0; 303 } 304 305 // ======================================================================= 306 // Sleeps for microseconds 307 // ======================================================================= 308 309 static volatile int oktogo; 310 311 void alarm_handler(int x) 312 { 313 oktogo=1; 314 } 315 316 void Sys_LineRefresh(void) 317 { 318 } 319 320 void floating_point_exception_handler(int whatever) 321 { 322 // Sys_Warn("floating point exception\n"); 323 signal(SIGFPE, floating_point_exception_handler); 324 } 325 326 char *Sys_ConsoleInput(void) 327 { 328 #if 0 329 static char text[256]; 330 int len; 331 332 if (cls.state == ca_dedicated) { 333 len = read (0, text, sizeof(text)); 334 if (len < 1) 335 return NULL; 336 text[len-1] = 0; // rip off the /n and terminate 337 338 return text; 339 } 340 #endif 341 return NULL; 342 } 343 344 #if !id386 345 void Sys_HighFPPrecision (void) 346 { 347 } 348 349 void Sys_LowFPPrecision (void) 350 { 351 } 352 #endif 353 354 int skipframes; 355 356 // The following APIs are called from the Java activity 357 358 int gAndroidQuitting = 0; 359 360 double g_oldtime; 361 362 extern int scr_width; 363 extern int scr_height; 364 365 void AndroidInit(int width, int height) 366 { 367 quakeparms_t parms; 368 int j; 369 int c = 0; 370 char* v[] = {"quake", (char*) 0}; 371 372 scr_width = width; 373 scr_height = height; 374 375 // static char cwd[1024]; 376 377 // signal(SIGFPE, floating_point_exception_handler); 378 // signal(SIGFPE, SIG_IGN); 379 380 memset(&parms, 0, sizeof(parms)); 381 382 COM_InitArgv(c, v); 383 parms.argc = com_argc; 384 parms.argv = com_argv; 385 386 parms.memsize = 16*1024*1024; 387 388 j = COM_CheckParm("-mem"); 389 if (j) 390 parms.memsize = (int) (Q_atof(com_argv[j+1]) * 1024 * 1024); 391 parms.membase = malloc (parms.memsize); 392 393 parms.basedir = basedir; 394 // caching is disabled by default, use -cachedir to enable 395 // parms.cachedir = cachedir; 396 397 #if 0 // FNDELAY not implemented 398 noconinput = COM_CheckParm("-noconinput"); 399 if (!noconinput) 400 fcntl(0, F_SETFL, fcntl (0, F_GETFL, 0) | FNDELAY); 401 #endif 402 403 if (COM_CheckParm("-nostdout")) 404 nostdout = 1; 405 406 Sys_Init(); 407 408 Host_Init(&parms); 409 410 g_oldtime = Sys_DoubleTime (); 411 } 412 413 void AndroidStep() 414 { 415 double time, newtime; 416 // find time spent rendering last frame 417 newtime = Sys_DoubleTime (); 418 time = newtime - g_oldtime; 419 420 Host_Frame(time); 421 g_oldtime = newtime; 422 } 423 424 int AndroidQuiting() 425 { 426 return gAndroidQuitting; 427 } 428
