xash3d-fwgs/engine/platform/sdl/sys_sdl.c

83 lines
2.1 KiB
C

/*
sys_sdl.c - SDL2 system utils
Copyright (C) 2018 a1batross
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
*/
#include <SDL.h>
#include "platform/platform.h"
#include "events.h"
#if XASH_TIMER == TIMER_SDL
double Platform_DoubleTime( void )
{
static longtime_t g_PerformanceFrequency;
static longtime_t g_ClockStart;
longtime_t CurrentTime;
if( !g_PerformanceFrequency )
{
g_PerformanceFrequency = SDL_GetPerformanceFrequency();
g_ClockStart = SDL_GetPerformanceCounter();
}
CurrentTime = SDL_GetPerformanceCounter();
return (double)( CurrentTime - g_ClockStart ) / (double)( g_PerformanceFrequency );
}
void Platform_Sleep( int msec )
{
SDL_Delay( msec );
}
#endif // XASH_TIMER == TIMER_SDL
#if XASH_MESSAGEBOX == MSGBOX_SDL
void Platform_MessageBox( const char *title, const char *message, qboolean parentMainWindow )
{
SDL_ShowSimpleMessageBox( SDL_MESSAGEBOX_ERROR, title, message, parentMainWindow ? host.hWnd : NULL );
}
#endif // XASH_MESSAGEBOX == MSGBOX_SDL
void Posix_Daemonize( void );
void Platform_Init( void )
{
#ifndef SDL_INIT_EVENTS
#define SDL_INIT_EVENTS 0
#endif
if( SDL_Init( SDL_INIT_TIMER | SDL_INIT_VIDEO | SDL_INIT_EVENTS ) )
{
Sys_Warn( "SDL_Init failed: %s", SDL_GetError() );
host.type = HOST_DEDICATED;
}
#if XASH_SDL == 2
SDL_SetHint(SDL_HINT_ACCELEROMETER_AS_JOYSTICK, "0");
SDL_StopTextInput();
#endif // XASH_SDL == 2
#if XASH_POSIX
Posix_Daemonize();
#endif
#ifdef XASH_WIN32
Wcon_CreateConsole(); // system console used by dedicated server or show fatal errors
#endif
SDLash_InitCursors();
}
void Platform_Shutdown( void )
{
SDLash_FreeCursors();
#ifdef XASH_WIN32
Wcon_DestroyConsole();
#endif
}