sys_sdl.c

   1
   2 #ifdef WIN32
   3 #ifdef _MSC_VER
   4 #pragma comment(lib, "sdl.lib")
   5 #pragma comment(lib, "sdlmain.lib")
   6 #endif
   7 #include <io.h>
   8 #include "conio.h"
   9 #else
  10 #include <unistd.h>
  11 #include <fcntl.h>
  12 #include <sys/time.h>
  13 #endif
  14
  15 #ifdef __ANDROID__
  16 #include <android/log.h>
  17
  18 #ifndef FNDELAY
  19 #define FNDELAY         O_NDELAY
  20 #endif
  21 #endif
  22
  23 #include <signal.h>
  24
  25 #include <SDL.h>
  26
  27 #include "quakedef.h"
  28
  29 // =======================================================================
  30 // General routines
  31 // =======================================================================
  32
  33 void Sys_Shutdown (void)
  34 {
  35 #ifdef __ANDROID__
  36         Sys_AllowProfiling(false);
  37 #endif
  38 #ifndef WIN32
  39         fcntl (0, F_SETFL, fcntl (0, F_GETFL, 0) & ~FNDELAY);
  40 #endif
  41         fflush(stdout);
  42         SDL_Quit();
  43 }
  44
  45
  46 void Sys_Error (const char *error, ...)
  47 {
  48         va_list argptr;
  49         char string[MAX_INPUTLINE];
  50
  51 // change stdin to non blocking
  52 #ifndef WIN32
  53         fcntl (0, F_SETFL, fcntl (0, F_GETFL, 0) & ~FNDELAY);
  54 #endif
  55
  56         va_start (argptr,error);
  57         dpvsnprintf (string, sizeof (string), error, argptr);
  58         va_end (argptr);
  59
  60         Con_Printf ("Quake Error: %s\n", string);
  61
  62         Host_Shutdown ();
  63         exit (1);
  64 }
  65
  66 static int outfd = 1;
  67 void Sys_PrintToTerminal(const char *text)
  68 {
  69 #ifdef __ANDROID__
  70         if (developer.integer > 0)
  71         {
  72                 __android_log_write(ANDROID_LOG_DEBUG, com_argv[0], text);
  73         }
  74 #else
  75         if(outfd < 0)
  76                 return;
  77 #ifdef FNDELAY
  78         // BUG: for some reason, NDELAY also affects stdout (1) when used on stdin (0).
  79         // this is because both go to /dev/tty by default!
  80         {
  81                 int origflags = fcntl (outfd, F_GETFL, 0);
  82                 fcntl (outfd, F_SETFL, origflags & ~FNDELAY);
  83 #endif
  84 #ifdef WIN32
  85 #define write _write
  86 #endif
  87                 while(*text)
  88                 {
  89                         fs_offset_t written = (fs_offset_t)write(outfd, text, strlen(text));
  90                         if(written <= 0)
  91                                 break; // sorry, I cannot do anything about this error - without an output
  92                         text += written;
  93                 }
  94 #ifdef FNDELAY
  95                 fcntl (outfd, F_SETFL, origflags);
  96         }
  97 #endif
  98         //fprintf(stdout, "%s", text);
  99 #endif
 100 }
 101
 102 char *Sys_ConsoleInput(void)
 103 {
 104 //      if (cls.state == ca_dedicated)
 105         {
 106                 static char text[MAX_INPUTLINE];
 107                 int len = 0;
 108 #ifdef WIN32
 109                 int c;
 110
 111                 // read a line out
 112                 while (_kbhit ())
 113                 {
 114                         c = _getch ();
 115                         _putch (c);
 116                         if (c == '\r')
 117                         {
 118                                 text[len] = 0;
 119                                 _putch ('\n');
 120                                 len = 0;
 121                                 return text;
 122                         }
 123                         if (c == 8)
 124                         {
 125                                 if (len)
 126                                 {
 127                                         _putch (' ');
 128                                         _putch (c);
 129                                         len--;
 130                                         text[len] = 0;
 131                                 }
 132                                 continue;
 133                         }
 134                         text[len] = c;
 135                         len++;
 136                         text[len] = 0;
 137                         if (len == sizeof (text))
 138                                 len = 0;
 139                 }
 140 #else
 141                 fd_set fdset;
 142                 struct timeval timeout;
 143                 FD_ZERO(&fdset);
 144                 FD_SET(0, &fdset); // stdin
 145                 timeout.tv_sec = 0;
 146                 timeout.tv_usec = 0;
 147                 if (select (1, &fdset, NULL, NULL, &timeout) != -1 && FD_ISSET(0, &fdset))
 148                 {
 149                         len = read (0, text, sizeof(text));
 150                         if (len >= 1)
 151                         {
 152                                 // rip off the \n and terminate
 153                                 text[len-1] = 0;
 154                                 return text;
 155                         }
 156                 }
 157 #endif
 158         }
 159         return NULL;
 160 }
 161
 162 char *Sys_GetClipboardData (void)
 163 {
 164 #ifdef WIN32
 165         char *data = NULL;
 166         char *cliptext;
 167
 168         if (OpenClipboard (NULL) != 0)
 169         {
 170                 HANDLE hClipboardData;
 171
 172                 if ((hClipboardData = GetClipboardData (CF_TEXT)) != 0)
 173                 {
 174                         if ((cliptext = (char *)GlobalLock (hClipboardData)) != 0)
 175                         {
 176                                 size_t allocsize;
 177                                 allocsize = GlobalSize (hClipboardData) + 1;
 178                                 data = (char *)Z_Malloc (allocsize);
 179                                 strlcpy (data, cliptext, allocsize);
 180                                 GlobalUnlock (hClipboardData);
 181                         }
 182                 }
 183                 CloseClipboard ();
 184         }
 185         return data;
 186 #else
 187         return NULL;
 188 #endif
 189 }
 190
 191 void Sys_InitConsole (void)
 192 {
 193 }
 194
 195 int main (int argc, char *argv[])
 196 {
 197         signal(SIGFPE, SIG_IGN);
 198
 199 #ifdef __ANDROID__
 200         Sys_AllowProfiling(true);
 201 #endif
 202
 203         com_argc = argc;
 204         com_argv = (const char **)argv;
 205         Sys_ProvideSelfFD();
 206
 207         // COMMANDLINEOPTION: sdl: -noterminal disables console output on stdout
 208         if(COM_CheckParm("-noterminal"))
 209                 outfd = -1;
 210         // COMMANDLINEOPTION: sdl: -stderr moves console output to stderr
 211         else if(COM_CheckParm("-stderr"))
 212                 outfd = 2;
 213         else
 214                 outfd = 1;
 215
 216 #ifndef WIN32
 217         fcntl(0, F_SETFL, fcntl (0, F_GETFL, 0) | FNDELAY);
 218 #endif
 219
 220         // we don't know which systems we'll want to init, yet...
 221         SDL_Init(0);
 222
 223         Host_Main();
 224
 225         return 0;
 226 }
 227
 228 qboolean sys_supportsdlgetticks = true;
 229 unsigned int Sys_SDL_GetTicks (void)
 230 {
 231         return SDL_GetTicks();
 232 }
 233 void Sys_SDL_Delay (unsigned int milliseconds)
 234 {
 235         SDL_Delay(milliseconds);
 236 }