sys_sdl.c

   1
   2 #ifdef WIN32
   3 #include <io.h>
   4 #include "conio.h"
   5 #else
   6 #include <unistd.h>
   7 #include <fcntl.h>
   8 #include <sys/time.h>
   9 #endif
  10
  11 #ifdef __ANDROID__
  12 #include <android/log.h>
  13
  14 #ifndef FNDELAY
  15 #define FNDELAY         O_NDELAY
  16 #endif
  17 #endif
  18
  19 #include <signal.h>
  20
  21 #include <SDL.h>
  22
  23 #ifdef WIN32
  24 #ifdef _MSC_VER
  25 #if SDL_MAJOR_VERSION == 1
  26 #pragma comment(lib, "sdl.lib")
  27 #pragma comment(lib, "sdlmain.lib")
  28 #else
  29 #pragma comment(lib, "sdl2.lib")
  30 #pragma comment(lib, "sdl2main.lib")
  31 #endif
  32 #endif
  33 #endif
  34
  35 #include "quakedef.h"
  36
  37 // =======================================================================
  38 // General routines
  39 // =======================================================================
  40
  41 void Sys_Shutdown (void)
  42 {
  43 #ifdef __ANDROID__
  44         Sys_AllowProfiling(false);
  45 #endif
  46 #ifndef WIN32
  47         fcntl (0, F_SETFL, fcntl (0, F_GETFL, 0) & ~FNDELAY);
  48 #endif
  49         fflush(stdout);
  50         SDL_Quit();
  51 }
  52
  53
  54 void Sys_Error (const char *error, ...)
  55 {
  56         va_list argptr;
  57         char string[MAX_INPUTLINE];
  58
  59 // change stdin to non blocking
  60 #ifndef WIN32
  61         fcntl (0, F_SETFL, fcntl (0, F_GETFL, 0) & ~FNDELAY);
  62 #endif
  63
  64         va_start (argptr,error);
  65         dpvsnprintf (string, sizeof (string), error, argptr);
  66         va_end (argptr);
  67
  68         Con_Printf ("Quake Error: %s\n", string);
  69
  70 #ifdef WIN32
  71         MessageBox(NULL, string, "Quake Error", MB_OK | MB_SETFOREGROUND | MB_ICONSTOP);
  72 #endif
  73
  74         Host_Shutdown ();
  75         exit (1);
  76 }
  77
  78 static int outfd = 1;
  79 void Sys_PrintToTerminal(const char *text)
  80 {
  81 #ifdef __ANDROID__
  82         if (developer.integer > 0)
  83         {
  84                 __android_log_write(ANDROID_LOG_DEBUG, com_argv[0], text);
  85         }
  86 #else
  87         if(outfd < 0)
  88                 return;
  89 #ifdef FNDELAY
  90         // BUG: for some reason, NDELAY also affects stdout (1) when used on stdin (0).
  91         // this is because both go to /dev/tty by default!
  92         {
  93                 int origflags = fcntl (outfd, F_GETFL, 0);
  94                 fcntl (outfd, F_SETFL, origflags & ~FNDELAY);
  95 #endif
  96 #ifdef WIN32
  97 #define write _write
  98 #endif
  99                 while(*text)
 100                 {
 101                         fs_offset_t written = (fs_offset_t)write(outfd, text, (int)strlen(text));
 102                         if(written <= 0)
 103                                 break; // sorry, I cannot do anything about this error - without an output
 104                         text += written;
 105                 }
 106 #ifdef FNDELAY
 107                 fcntl (outfd, F_SETFL, origflags);
 108         }
 109 #endif
 110         //fprintf(stdout, "%s", text);
 111 #endif
 112 }
 113
 114 char *Sys_ConsoleInput(void)
 115 {
 116 //      if (cls.state == ca_dedicated)
 117         {
 118                 static char text[MAX_INPUTLINE];
 119                 int len = 0;
 120 #ifdef WIN32
 121                 int c;
 122
 123                 // read a line out
 124                 while (_kbhit ())
 125                 {
 126                         c = _getch ();
 127                         _putch (c);
 128                         if (c == '\r')
 129                         {
 130                                 text[len] = 0;
 131                                 _putch ('\n');
 132                                 len = 0;
 133                                 return text;
 134                         }
 135                         if (c == 8)
 136                         {
 137                                 if (len)
 138                                 {
 139                                         _putch (' ');
 140                                         _putch (c);
 141                                         len--;
 142                                         text[len] = 0;
 143                                 }
 144                                 continue;
 145                         }
 146                         text[len] = c;
 147                         len++;
 148                         text[len] = 0;
 149                         if (len == sizeof (text))
 150                                 len = 0;
 151                 }
 152 #else
 153                 fd_set fdset;
 154                 struct timeval timeout;
 155                 FD_ZERO(&fdset);
 156                 FD_SET(0, &fdset); // stdin
 157                 timeout.tv_sec = 0;
 158                 timeout.tv_usec = 0;
 159                 if (select (1, &fdset, NULL, NULL, &timeout) != -1 && FD_ISSET(0, &fdset))
 160                 {
 161                         len = read (0, text, sizeof(text));
 162                         if (len >= 1)
 163                         {
 164                                 // rip off the \n and terminate
 165                                 text[len-1] = 0;
 166                                 return text;
 167                         }
 168                 }
 169 #endif
 170         }
 171         return NULL;
 172 }
 173
 174 char *Sys_GetClipboardData (void)
 175 {
 176 #if SDL_MAJOR_VERSION != 1
 177         char *data = NULL;
 178         char *cliptext;
 179
 180         cliptext = SDL_GetClipboardText();
 181         if (cliptext != NULL) {
 182                 size_t allocsize;
 183                 allocsize = strlen(cliptext) + 1;
 184                 data = (char *)Z_Malloc (allocsize);
 185                 strlcpy (data, cliptext, allocsize);
 186                 SDL_free(cliptext);
 187         }
 188
 189         return data;
 190 #elif defined(WIN32)
 191         char *data = NULL;
 192         char *cliptext;
 193
 194         if (OpenClipboard (NULL) != 0)
 195         {
 196                 HANDLE hClipboardData;
 197
 198                 if ((hClipboardData = GetClipboardData (CF_TEXT)) != 0)
 199                 {
 200                         if ((cliptext = (char *)GlobalLock (hClipboardData)) != 0)
 201                         {
 202                                 size_t allocsize;
 203                                 allocsize = GlobalSize (hClipboardData) + 1;
 204                                 data = (char *)Z_Malloc (allocsize);
 205                                 strlcpy (data, cliptext, allocsize);
 206                                 GlobalUnlock (hClipboardData);
 207                         }
 208                 }
 209                 CloseClipboard ();
 210         }
 211         return data;
 212 #else
 213         return NULL;
 214 #endif
 215 }
 216
 217 void Sys_InitConsole (void)
 218 {
 219 }
 220
 221 int main (int argc, char *argv[])
 222 {
 223         signal(SIGFPE, SIG_IGN);
 224
 225 #ifdef __ANDROID__
 226         Sys_AllowProfiling(true);
 227 #endif
 228
 229         com_argc = argc;
 230         com_argv = (const char **)argv;
 231         Sys_ProvideSelfFD();
 232
 233         // COMMANDLINEOPTION: sdl: -noterminal disables console output on stdout
 234         if(COM_CheckParm("-noterminal"))
 235                 outfd = -1;
 236         // COMMANDLINEOPTION: sdl: -stderr moves console output to stderr
 237         else if(COM_CheckParm("-stderr"))
 238                 outfd = 2;
 239         else
 240                 outfd = 1;
 241
 242 #ifndef WIN32
 243         fcntl(0, F_SETFL, fcntl (0, F_GETFL, 0) | FNDELAY);
 244 #endif
 245
 246         // we don't know which systems we'll want to init, yet...
 247         SDL_Init(0);
 248
 249         Host_Main();
 250
 251         return 0;
 252 }
 253
 254 qboolean sys_supportsdlgetticks = true;
 255 unsigned int Sys_SDL_GetTicks (void)
 256 {
 257         return SDL_GetTicks();
 258 }
 259 void Sys_SDL_Delay (unsigned int milliseconds)
 260 {
 261         SDL_Delay(milliseconds);
 262 }