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fteqw/engine/client/sys_sdl.c

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#include "quakedef.h"
#include <SDL.h>
#ifdef MULTITHREAD
#include <SDL_thread.h>
#endif
#include <SDL_loadso.h>
#ifndef WIN32
#include <fcntl.h>
#include <sys/stat.h>
#else
#include <direct.h>
#endif
#ifdef FTE_TARGET_WEB
#include <emscripten/emscripten.h>
#endif
#if SDL_MAJOR_VERSION >= 2
SDL_Window *sdlwindow;
#endif
#ifndef isDedicated
qboolean isDedicated;
#endif
void Sys_Error (const char *error, ...)
{
va_list argptr;
char string[1024];
va_start (argptr,error);
vsnprintf (string, sizeof (string), error, argptr);
va_end (argptr);
fprintf(stderr, "Error: %s\n", string);
Sys_Printf ("Quake Error: %s\n", string);
#if SDL_MAJOR_VERSION >= 2
SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Sys_Error", string, sdlwindow);
#endif
if (COM_CheckParm("-crashonerror"))
*(int*)-3 = 0;
Host_Shutdown ();
exit (1);
}
void Sys_RecentServer(char *command, char *target, char *title, char *desc)
{
}
qboolean Sys_RandomBytes(qbyte *string, int len)
{
return false;
}
//print into stdout
void Sys_Printf (char *fmt, ...)
{
va_list argptr;
va_start (argptr,fmt);
vprintf (fmt,argptr);
va_end (argptr);
}
unsigned int Sys_Milliseconds(void)
{
static int first = true;
static unsigned long starttime = 0;
unsigned long now;
now = SDL_GetTicks();
if (first)
{
first = false;
starttime = now;
}
return now - starttime;
}
//return the current time, in the form of a double
double Sys_DoubleTime (void)
{
return Sys_Milliseconds() / 1000.0;
/*
static int first = true;
static double oldtime = 0.0, curtime = 0.0;
double newtime;
newtime = (double) SDL_GetTicks() / 1000.0;
if (first)
{
first = false;
oldtime = newtime;
}
if (newtime < oldtime)
{
// warn if it's significant
if (newtime - oldtime < -0.01)
Con_Printf("Sys_DoubleTime: time stepped backwards (went from %f to %f, difference %f)\n", oldtime, newtime, newtime - oldtime);
}
else
curtime += newtime - oldtime;
oldtime = newtime;
return curtime;
*/
}
//create a directory
void Sys_mkdir (const char *path)
{
#if WIN32
_mkdir (path);
#else
//user, group, others
mkdir (path, 0755); //WARNING: DO NOT RUN AS ROOT!
#endif
}
qboolean Sys_rmdir (const char *path)
{
int ret;
#if WIN32
ret = _rmdir (path);
#else
ret = rmdir (path);
#endif
if (ret == 0)
return true;
// if (errno == ENOENT)
// return true;
return false;
}
//unlink a file
qboolean Sys_remove (const char *path)
{
remove(path);
return true;
}
qboolean Sys_Rename (const char *oldfname, const char *newfname)
{
return !rename(oldfname, newfname);
}
//someone used the 'quit' command
void Sys_Quit (void)
{
Host_Shutdown();
exit (0);
}
//enumerate the files in a directory (of both gpath and match - match may not contain ..)
//calls the callback for each one until the callback returns 0
//SDL provides no file enumeration facilities.
#if defined(_WIN32)
#include <windows.h>
int Sys_EnumerateFiles (const char *gpath, const char *match, int (*func)(const char *, qofs_t, time_t mtime, void *, searchpathfuncs_t *), void *parm, searchpathfuncs_t *spath)
{
HANDLE r;
WIN32_FIND_DATA fd;
char apath[MAX_OSPATH];
char apath2[MAX_OSPATH];
char file[MAX_OSPATH];
char *s;
int go;
if (!gpath)
return 0;
// strcpy(apath, match);
Q_snprintfz(apath, sizeof(apath), "%s/%s", gpath, match);
for (s = apath+strlen(apath)-1; s> apath; s--)
{
if (*s == '/')
break;
}
*s = '\0';
//this is what we ask windows for.
Q_snprintfz(file, sizeof(file), "%s/*.*", apath);
//we need to make apath contain the path in match but not gpath
Q_strncpyz(apath2, match, sizeof(apath));
match = s+1;
for (s = apath2+strlen(apath2)-1; s> apath2; s--)
{
if (*s == '/')
break;
}
*s = '\0';
if (s != apath2)
strcat(apath2, "/");
r = FindFirstFile(file, &fd);
if (r==(HANDLE)-1)
return 1;
go = true;
do
{
if (*fd.cFileName == '.'); //don't ever find files with a name starting with '.'
else if (fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) //is a directory
{
if (wildcmp(match, fd.cFileName))
{
Q_snprintfz(file, sizeof(file), "%s%s/", apath2, fd.cFileName);
go = func(file, fd.nFileSizeLow, 0, parm, spath);
}
}
else
{
if (wildcmp(match, fd.cFileName))
{
Q_snprintfz(file, sizeof(file), "%s%s", apath2, fd.cFileName);
go = func(file, fd.nFileSizeLow, 0, parm, spath);
}
}
}
while(FindNextFile(r, &fd) && go);
FindClose(r);
return go;
}
#elif defined(linux) || defined(__unix__) || defined(__MACH__)
#include <dirent.h>
int Sys_EnumerateFiles (const char *gpath, const char *match, int (*func)(const char *, qofs_t, time_t mtime, void *, searchpathfuncs_t *), void *parm, searchpathfuncs_t *spath)
{
DIR *dir;
char apath[MAX_OSPATH];
char file[MAX_OSPATH];
char truepath[MAX_OSPATH];
char *s;
struct dirent *ent;
struct stat st;
//printf("path = %s\n", gpath);
//printf("match = %s\n", match);
if (!gpath)
gpath = "";
*apath = '\0';
Q_strncpyz(apath, match, sizeof(apath));
for (s = apath+strlen(apath)-1; s >= apath; s--)
{
if (*s == '/')
{
s[1] = '\0';
match += s - apath+1;
break;
}
}
if (s < apath) //didn't find a '/'
*apath = '\0';
Q_snprintfz(truepath, sizeof(truepath), "%s/%s", gpath, apath);
//printf("truepath = %s\n", truepath);
//printf("gamepath = %s\n", gpath);
//printf("apppath = %s\n", apath);
//printf("match = %s\n", match);
dir = opendir(truepath);
if (!dir)
{
Con_DPrintf("Failed to open dir %s\n", truepath);
return true;
}
do
{
ent = readdir(dir);
if (!ent)
break;
if (*ent->d_name != '.')
{
if (wildcmp(match, ent->d_name))
{
Q_snprintfz(file, sizeof(file), "%s/%s", truepath, ent->d_name);
if (stat(file, &st) == 0)
{
Q_snprintfz(file, sizeof(file), "%s%s%s", apath, ent->d_name, S_ISDIR(st.st_mode)?"/":"");
if (!func(file, st.st_size, st.st_mtime, parm, spath))
{
closedir(dir);
return false;
}
}
else
printf("Stat failed for \"%s\"\n", file);
}
}
} while(1);
closedir(dir);
return true;
}
#else
int Sys_EnumerateFiles (const char *gpath, const char *match, int (*func)(const char *, qofs_t, time_t mtime, void *, void *), void *parm, void *spath)
{
Con_Printf("Warning: Sys_EnumerateFiles not implemented\n");
return false;
}
#endif
//blink window if possible (it's not)
void Sys_ServerActivity(void)
{
}
void Sys_CloseLibrary(dllhandle_t *lib)
{
SDL_UnloadObject((void*)lib);
}
dllhandle_t *Sys_LoadLibrary(const char *name, dllfunction_t *funcs)
{
int i;
void *lib;
lib = SDL_LoadObject(name);
if (!lib)
return NULL;
if (funcs)
{
for (i = 0; funcs[i].name; i++)
{
*funcs[i].funcptr = SDL_LoadFunction(lib, funcs[i].name);
if (!*funcs[i].funcptr)
break;
}
if (funcs[i].name)
{
Sys_CloseLibrary((dllhandle_t*)lib);
lib = NULL;
}
}
return (dllhandle_t*)lib;
}
void *Sys_GetAddressForName(dllhandle_t *module, const char *exportname)
{
if (!module)
return NULL;
return SDL_LoadFunction((void *)module, exportname);
}
//used to see if a file exists or not.
int Sys_FileTime (char *path)
{
FILE *f;
f = fopen(path, "rb");
if (f)
{
fclose(f);
return 1;
}
return -1;
}
void Sys_Init(void)
{
SDL_Init(SDL_INIT_TIMER | SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE);
}
void Sys_Shutdown(void)
{
SDL_Quit();
}
int VARGS Sys_DebugLog(char *file, char *fmt, ...)
{
FILE *fd;
va_list argptr;
static char data[1024];
va_start(argptr, fmt);
vsnprintf(data, sizeof(data)-1, fmt, argptr);
va_end(argptr);
#if defined(CRAZYDEBUGGING) && CRAZYDEBUGGING > 1
{
static int sock;
if (!sock)
{
struct sockaddr_in sa;
netadr_t na;
int _true = true;
int listip;
listip = COM_CheckParm("-debugip");
NET_StringToAdr(listip?com_argv[listip+1]:"127.0.0.1", &na);
NetadrToSockadr(&na, (struct sockaddr_qstorage*)&sa);
sa.sin_port = htons(10000);
sock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (-1==connect(sock, (struct sockaddr*)&sa, sizeof(sa)))
Sys_Error("Couldn't send debug log lines\n");
setsockopt(sock, IPPROTO_TCP, TCP_NODELAY, (char*)&_true, sizeof(_true));
}
send(sock, data, strlen(data), 0);
}
#endif
fd = fopen(file, "wt");
if (fd)
{
fwrite(data, 1, strlen(data), fd);
fclose(fd);
return 0;
}
return 1;
};
qboolean Sys_InitTerminal(void)
{
return true;
}
char *Sys_ConsoleInput(void)
{
return NULL;
}
void Sys_CloseTerminal (void)
{
}
#ifdef _WIN32
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
#endif
#ifdef FTE_TARGET_WEB
void Sys_MainLoop(void)
{
static float oldtime;
float newtime, time;
newtime = Sys_DoubleTime ();
if (!oldtime)
oldtime = newtime;
time = newtime - oldtime;
Host_Frame (time);
oldtime = newtime;
}
#endif
int QDECL main(int argc, char **argv)
{
float time, newtime, oldtime;
quakeparms_t parms;
memset(&parms, 0, sizeof(parms));
parms.basedir = "./";
parms.argc = argc;
parms.argv = (const char**)argv;
#ifdef CONFIG_MANIFEST_TEXT
parms.manifest = CONFIG_MANIFEST_TEXT;
#endif
#ifndef WIN32
fcntl(0, F_SETFL, fcntl (0, F_GETFL, 0) | FNDELAY);
#endif
COM_InitArgv (parms.argc, parms.argv);
TL_InitLanguages(parms.basedir);
Sys_Printf ("Host_Init\n");
Host_Init (&parms);
oldtime = Sys_DoubleTime ();
//client console should now be initialized.
/* main window message loop */
while (1)
{
#ifndef CLIENTONLY
if (isDedicated)
{
float delay;
// find time passed since last cycle
newtime = Sys_DoubleTime ();
time = newtime - oldtime;
oldtime = newtime;
delay = SV_Frame();
NET_Sleep(delay, false);
}
else
#endif
{
double sleeptime;
// yield the CPU for a little while when paused, minimized, or not the focus
#if SDL_MAJOR_VERSION >= 2
if (!vid.activeapp)
SDL_Delay(1);
#else
if (!(SDL_GetAppState() & SDL_APPINPUTFOCUS))
SDL_Delay(1);
#endif
newtime = Sys_DoubleTime ();
time = newtime - oldtime;
sleeptime = Host_Frame (time);
oldtime = newtime;
Sys_Sleep(sleeptime);
}
}
return 0;
}
#ifdef _MSC_VER
//our version of sdl_main.lib, which doesn't fight c runtimes.
int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
{
int argc;
int i, l, c;
LPWSTR *argvw;
char **argv;
char utf8arg[1024];
argvw = CommandLineToArgvW(GetCommandLineW(), &argc);
argv = malloc(argc * sizeof(char*));
for (i = 0; i < argc; i++)
{
for(l = 0, c = 0; argvw[i][l]; l++)
c += utf8_encode(utf8arg+c, argvw[i][l], sizeof(utf8arg) - c-1);
utf8arg[c] = 0;
argv[i] = strdup(utf8arg);
}
return main(argc, argv);
}
#endif
qboolean Sys_GetDesktopParameters(int *width, int *height, int *bpp, int *refreshrate)
{
#if SDL_MAJOR_VERSION >= 2
SDL_DisplayMode mode;
if (!SDL_GetDesktopDisplayMode(0, &mode))
{
*width = mode.w;
*height = mode.h;
*bpp = (SDL_PIXELTYPE(mode.format) == SDL_PIXELTYPE_PACKED32)?32:16;
*refreshrate = mode.refresh_rate;
return true;
}
#endif
return false;
}
#if SDL_MAJOR_VERSION >= 2 //probably could include 1.3
#include <SDL_clipboard.h>
char *Sys_GetClipboard(void)
{
return SDL_GetClipboardText();
}
void Sys_CloseClipboard(char *bf)
{
SDL_free(bf);
}
void Sys_SaveClipboard(char *text)
{
SDL_SetClipboardText(text);
}
#else
static char *clipboard_buffer;
char *Sys_GetClipboard(void)
{
return clipboard_buffer;
}
void Sys_CloseClipboard(char *bf)
{
}
void Sys_SaveClipboard(char *text)
{
free(clipboard_buffer);
clipboard_buffer = strdup(text);
}
#endif
#ifdef MULTITHREAD
/* Thread creation calls */
void *Sys_CreateThread(char *name, int (*func)(void *), void *args, int priority, int stacksize)
{
// SDL threads do not support setting thread stack size
#if SDL_MAJOR_VERSION >= 2
return (void *)SDL_CreateThread(func, name, args);
#else
return (void *)SDL_CreateThread(func, args);
#endif
}
void Sys_WaitOnThread(void *thread)
{
SDL_WaitThread((SDL_Thread *)thread, NULL);
}
/* Mutex calls */
// SDL mutexes don't have try-locks for mutexes in the spec so we stick with 1-value semaphores
void *Sys_CreateMutex(void)
{
return (void *)SDL_CreateSemaphore(1);
}
qboolean Sys_TryLockMutex(void *mutex)
{
return !SDL_SemTryWait(mutex);
}
qboolean Sys_LockMutex(void *mutex)
{
return !SDL_SemWait(mutex);
}
qboolean Sys_UnlockMutex(void *mutex)
{
return !SDL_SemPost(mutex);
}
void Sys_DestroyMutex(void *mutex)
{
SDL_DestroySemaphore(mutex);
}
/* Conditional wait calls */
typedef struct condvar_s
{
SDL_mutex *mutex;
SDL_cond *cond;
} condvar_t;
void *Sys_CreateConditional(void)
{
condvar_t *condv;
SDL_mutex *mutex;
SDL_cond *cond;
condv = (condvar_t *)malloc(sizeof(condvar_t));
if (!condv)
return NULL;
mutex = SDL_CreateMutex();
cond = SDL_CreateCond();
if (mutex)
{
if (cond)
{
condv->cond = cond;
condv->mutex = mutex;
return (void *)condv;
}
else
SDL_DestroyMutex(mutex);
}
free(condv);
return NULL;
}
qboolean Sys_LockConditional(void *condv)
{
return !SDL_mutexP(((condvar_t *)condv)->mutex);
}
qboolean Sys_UnlockConditional(void *condv)
{
return !SDL_mutexV(((condvar_t *)condv)->mutex);
}
qboolean Sys_ConditionWait(void *condv)
{
return !SDL_CondWait(((condvar_t *)condv)->cond, ((condvar_t *)condv)->mutex);
}
qboolean Sys_ConditionSignal(void *condv)
{
return !SDL_CondSignal(((condvar_t *)condv)->cond);
}
qboolean Sys_ConditionBroadcast(void *condv)
{
return !SDL_CondBroadcast(((condvar_t *)condv)->cond);
}
void Sys_DestroyConditional(void *condv)
{
condvar_t *cv = (condvar_t *)condv;
SDL_DestroyCond(cv->cond);
SDL_DestroyMutex(cv->mutex);
free(cv);
}
#endif
void Sys_Sleep (double seconds)
{
SDL_Delay(seconds * 1000);
}
#ifdef HAVEAUTOUPDATE
//legacy, so old build can still deal with updates properly
void Sys_SetUpdatedBinary(const char *fname)
{
}
//says whether the system code is able to invoke new binaries properly
qboolean Sys_EngineCanUpdate(void)
{
return false; //nope, nothing here
}
//invoke the given system-path binary
qboolean Sys_EngineWasUpdated(char *newbinary)
{
return false; //sorry
}
#endif
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