Files
@ r12760:308cf6c9a8ac
Branch filter:
Location: cpp/openttd-patchpack/source/src/sdl.cpp
r12760:308cf6c9a8ac
2.3 KiB
text/x-c
(svn r17239) -Change [FS#2802]: allow overbuilding the front tile of a roadstation / roaddepot with road
to be consistent with overbuilding the front tile of tunnels/bridges and also to make it easier for AIs to
connect roadstations and roaddepots to the road in front of it
to be consistent with overbuilding the front tile of tunnels/bridges and also to make it easier for AIs to
connect roadstations and roaddepots to the road in front of it
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 | /* $Id$ */
/** @file sdl.cpp Implementation of SDL support. */
#include "stdafx.h"
#ifdef WITH_SDL
#include "openttd.h"
#include "sdl.h"
#include <SDL.h>
#ifdef UNIX
#include <signal.h>
#ifdef __MORPHOS__
/* The system supplied definition of SIG_DFL is wrong on MorphOS */
#undef SIG_DFL
#define SIG_DFL (void (*)(int))0
#endif
#endif
static int _sdl_usage;
#ifdef DYNAMICALLY_LOADED_SDL
#include "win32.h"
#define M(x) x "\0"
static const char sdl_files[] =
M("sdl.dll")
M("SDL_Init")
M("SDL_InitSubSystem")
M("SDL_GetError")
M("SDL_QuitSubSystem")
M("SDL_UpdateRect")
M("SDL_UpdateRects")
M("SDL_SetColors")
M("SDL_WM_SetCaption")
M("SDL_ShowCursor")
M("SDL_FreeSurface")
M("SDL_PollEvent")
M("SDL_WarpMouse")
M("SDL_GetTicks")
M("SDL_OpenAudio")
M("SDL_PauseAudio")
M("SDL_CloseAudio")
M("SDL_LockSurface")
M("SDL_UnlockSurface")
M("SDL_GetModState")
M("SDL_Delay")
M("SDL_Quit")
M("SDL_SetVideoMode")
M("SDL_EnableKeyRepeat")
M("SDL_EnableUNICODE")
M("SDL_VideoDriverName")
M("SDL_ListModes")
M("SDL_GetKeyState")
M("SDL_LoadBMP_RW")
M("SDL_RWFromFile")
M("SDL_SetColorKey")
M("SDL_WM_SetIcon")
M("SDL_MapRGB")
M("")
;
#undef M
SDLProcs sdl_proc;
static const char *LoadSdlDLL()
{
if (sdl_proc.SDL_Init != NULL)
return NULL;
if (!LoadLibraryList((Function *)(void *)&sdl_proc, sdl_files))
return "Unable to load sdl.dll";
return NULL;
}
#endif /* DYNAMICALLY_LOADED_SDL */
#ifdef UNIX
static void SdlAbort(int sig)
{
/* Own hand-made parachute for the cases of failed assertions. */
SDL_CALL SDL_Quit();
switch (sig) {
case SIGSEGV:
case SIGFPE:
signal(sig, SIG_DFL);
raise(sig);
break;
default:
break;
}
}
#endif
const char *SdlOpen(uint32 x)
{
#ifdef DYNAMICALLY_LOADED_SDL
{
const char *s = LoadSdlDLL();
if (s != NULL) return s;
}
#endif
if (_sdl_usage++ == 0) {
if (SDL_CALL SDL_Init(x) == -1)
return SDL_CALL SDL_GetError();
} else if (x != 0) {
if (SDL_CALL SDL_InitSubSystem(x) == -1)
return SDL_CALL SDL_GetError();
}
#ifdef UNIX
signal(SIGABRT, SdlAbort);
signal(SIGSEGV, SdlAbort);
signal(SIGFPE, SdlAbort);
#endif
return NULL;
}
void SdlClose(uint32 x)
{
if (x != 0)
SDL_CALL SDL_QuitSubSystem(x);
if (--_sdl_usage == 0) {
SDL_CALL SDL_Quit();
#ifdef UNIX
signal(SIGABRT, SIG_DFL);
signal(SIGSEGV, SIG_DFL);
signal(SIGFPE, SIG_DFL);
#endif
}
}
#endif
|