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/* $Id$ */
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#include "stdafx.h"
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#include "openttd.h"
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#include "debug.h"
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#include "driver.h"
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#include "functions.h"
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#include "hal.h"
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#include "string.h"
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#include "music/bemidi.h"
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#include "music/dmusic.h"
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#include "music/extmidi.h"
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#include "music/null_m.h"
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#include "music/os2_m.h"
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#include "music/win32_m.h"
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#include "sound/null_s.h"
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#include "sound/sdl_s.h"
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#include "sound/win32_s.h"
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#include "video/dedicated_v.h"
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#include "video/null_v.h"
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#include "video/sdl_v.h"
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#include "video/win32_v.h"
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typedef struct {
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const DriverDesc *descs;
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const char *name;
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void *var;
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} DriverClass;
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@@ -28,27 +45,12 @@ static const DriverDesc* GetDriverByName
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for (; dd->name != NULL; dd++) {
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if (strcmp(dd->name, name) == 0) return dd;
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}
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return NULL;
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}
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static const DriverDesc* ChooseDefaultDriver(const DriverDesc* dd)
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{
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byte os_version = GetOSVersion();
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const DriverDesc *best = NULL;
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int best_pri = -1;
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for (; dd->name != NULL; dd++) {
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if ((int)(dd->flags & DF_PRIORITY_MASK) > best_pri && os_version >= (byte)dd->flags) {
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best_pri = dd->flags & DF_PRIORITY_MASK;
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best = dd;
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}
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}
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return best;
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}
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void LoadDriver(int driver, const char *name)
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{
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const DriverClass *dc = &_driver_classes[driver];
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const DriverDesc *dd;
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const void **var;
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const void *drv;
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@@ -56,14 +58,29 @@ void LoadDriver(int driver, const char *
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char *parm;
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char buffer[256];
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const char *parms[32];
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parms[0] = NULL;
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if (!*name) {
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dd = ChooseDefaultDriver(dc->descs);
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if (*name == '\0') {
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for (dd = dc->descs; dd->name != NULL; dd++) {
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err = ((const HalCommonDriver*)dd->drv)->start(parms);
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if (err == NULL) break;
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DEBUG(driver, 1) ("Probing %s driver \"%s\" failed with error: %s",
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dc->name, dd->name, err
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);
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}
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if (dd->name == NULL) {
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error("Couldn't find any suitable %s driver", dc->name);
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}
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DEBUG(driver, 1)
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("Successfully probed %s driver \"%s\"", dc->name, dd->name);
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var = dc->var;
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*var = dd->drv;
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} else {
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// Extract the driver name and put parameter list in parm
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ttd_strlcpy(buffer, name, sizeof(buffer));
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parm = strchr(buffer, ':');
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if (parm) {
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uint np = 0;
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@@ -77,22 +94,26 @@ void LoadDriver(int driver, const char *
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} while (*parm == ',');
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parms[np] = NULL;
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}
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dd = GetDriverByName(dc->descs, buffer);
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if (dd == NULL)
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error("No such %s driver: %s\n", dc->name, buffer);
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var = dc->var;
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if (*var != NULL) ((const HalCommonDriver*)*var)->stop();
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*var = NULL;
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drv = dd->drv;
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err = ((const HalCommonDriver*)drv)->start(parms);
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if (err != NULL) {
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error("Unable to load driver %s(%s). The error was: %s\n",
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dd->name, dd->longname, err
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);
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}
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*var = drv;
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}
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var = dc->var;
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if (*var != NULL) ((const HalCommonDriver*)*var)->stop();
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*var = NULL;
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drv = dd->drv;
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err = ((const HalCommonDriver*)drv)->start(parms);
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if (err != NULL)
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error("Unable to load driver %s(%s). The error was: %s\n", dd->name, dd->longname, err);
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*var = drv;
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}
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static const char* GetDriverParam(const char* const* parm, const char* name)
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{
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uint len = strlen(name);
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@@ -130,6 +151,54 @@ void GetDriverList(char* p)
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p += sprintf(p, "List of %s drivers:\n", dc->name);
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for (dd = dc->descs; dd->name != NULL; dd++) {
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p += sprintf(p, "%10s: %s\n", dd->name, dd->longname);
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}
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}
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}
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const DriverDesc _music_driver_descs[] = {
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#ifdef __BEOS__
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{ "bemidi", "BeOS MIDI Driver", &_bemidi_music_driver },
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#endif
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#ifdef __OS2__
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{ "os2", "OS/2 Music Driver", &_os2_music_driver},
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#endif
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#ifdef WIN32_ENABLE_DIRECTMUSIC_SUPPORT
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{ "dmusic", "DirectMusic MIDI Driver", &_dmusic_midi_driver },
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#endif
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#ifdef WIN32
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{ "win32", "Win32 MIDI Driver", &_win32_music_driver },
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#endif
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#ifdef UNIX
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#if !defined(__BEOS__) && !defined(__MORPHOS__) && !defined(__AMIGA__)
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{ "extmidi", "External MIDI Driver", &_extmidi_music_driver },
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#endif
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#endif
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{ "null", "Null Music Driver", &_null_music_driver },
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{ NULL, NULL, NULL}
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};
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const DriverDesc _sound_driver_descs[] = {
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#ifdef WIN32
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{ "win32", "Win32 WaveOut Driver", &_win32_sound_driver },
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#endif
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#ifdef WITH_SDL
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{ "sdl", "SDL Sound Driver", &_sdl_sound_driver },
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#endif
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{ "null", "Null Sound Driver", &_null_sound_driver },
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{ NULL, NULL, NULL}
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};
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const DriverDesc _video_driver_descs[] = {
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#ifdef WIN32
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{ "win32", "Win32 GDI Video Driver", &_win32_video_driver },
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#endif
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#ifdef WITH_SDL
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{ "sdl", "SDL Video Driver", &_sdl_video_driver },
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#endif
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{ "null", "Null Video Driver", &_null_video_driver},
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#ifdef ENABLE_NETWORK
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{ "dedicated", "Dedicated Video Driver", &_dedicated_video_driver},
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#endif
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{ NULL, NULL, NULL}
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};
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