tron@2186: /* $Id$ */
tron@2186: 
tron@2171: #include "stdafx.h"
tron@2171: #include "openttd.h"
tron@2210: #include "debug.h"
tron@2171: #include "driver.h"
tron@2171: #include "functions.h"
tron@2171: #include "hal.h"
tron@2171: #include "string.h"
tron@2171: 
tron@2210: #include "music/bemidi.h"
tron@2210: #include "music/dmusic.h"
tron@2210: #include "music/extmidi.h"
tron@2210: #include "music/null_m.h"
tron@2210: #include "music/os2_m.h"
tron@2210: #include "music/win32_m.h"
bjarni@2496: #include "music/qtmidi.h"
tron@2210: 
tron@2210: #include "sound/null_s.h"
tron@2210: #include "sound/sdl_s.h"
bjarni@2736: #include "sound/cocoa_s.h"
tron@2210: #include "sound/win32_s.h"
tron@2210: 
tron@2210: #include "video/dedicated_v.h"
tron@2210: #include "video/null_v.h"
tron@2210: #include "video/sdl_v.h"
bjarni@2736: #include "video/cocoa_v.h"
tron@2210: #include "video/win32_v.h"
tron@2210: 
tron@2219: typedef struct DriverDesc {
tron@2219: 	const char* name;
tron@2219: 	const char* longname;
tron@2224: 	const HalCommonDriver* drv;
tron@2219: } DriverDesc;
tron@2219: 
tron@2219: typedef struct DriverClass {
tron@2171: 	const DriverDesc *descs;
tron@2171: 	const char *name;
tron@2224: 	const HalCommonDriver** drv;
tron@2171: } DriverClass;
tron@2171: 
tron@2222: 
truelight@2902: #define M(x, y, z) { x, y, (const HalCommonDriver *)(void *)z }
tron@2222: static const DriverDesc _music_driver_descs[] = {
tron@2222: #ifdef __BEOS__
tron@2224: 	M("bemidi",  "BeOS MIDI Driver",        &_bemidi_music_driver),
tron@2222: #endif
tron@2222: #ifdef __OS2__
tron@2224: 	M("os2",     "OS/2 Music Driver",       &_os2_music_driver),
tron@2222: #endif
tron@2222: #ifdef WIN32_ENABLE_DIRECTMUSIC_SUPPORT
tron@2224: 	M("dmusic",  "DirectMusic MIDI Driver", &_dmusic_midi_driver),
tron@2222: #endif
tron@2222: #ifdef WIN32
tron@2224: 	M("win32",   "Win32 MIDI Driver",       &_win32_music_driver),
tron@2222: #endif
bjarni@2500: #if defined(__APPLE__) && !defined(DEDICATED)
bjarni@2496: 	M("qt",      "QuickTime MIDI Driver",   &_qtime_music_driver),
bjarni@2496: #endif
tron@2222: #ifdef UNIX
tron@2303: #if !defined(__MORPHOS__) && !defined(__AMIGA__)
tron@2224: 	M("extmidi", "External MIDI Driver",    &_extmidi_music_driver),
tron@2222: #endif
tron@2222: #endif
tron@2224: 	M("null",    "Null Music Driver",       &_null_music_driver),
tron@2224: 	M(NULL, NULL, NULL)
tron@2222: };
tron@2222: 
tron@2222: static const DriverDesc _sound_driver_descs[] = {
tron@2222: #ifdef WIN32
tron@2224: 	M("win32", "Win32 WaveOut Driver", &_win32_sound_driver),
tron@2222: #endif
tron@2222: #ifdef WITH_SDL
tron@2224: 	M("sdl",   "SDL Sound Driver",     &_sdl_sound_driver),
tron@2222: #endif
bjarni@2736: #ifdef WITH_COCOA
bjarni@2736: 	M("cocoa", "Cocoa Sound Driver",   &_cocoa_sound_driver),
bjarni@2736: #endif
tron@2224: 	M("null",  "Null Sound Driver",    &_null_sound_driver),
tron@2224: 	M(NULL, NULL, NULL)
tron@2222: };
tron@2222: 
tron@2222: static const DriverDesc _video_driver_descs[] = {
tron@2222: #ifdef WIN32
tron@2224: 	M("win32",      "Win32 GDI Video Driver", &_win32_video_driver),
tron@2222: #endif
tron@2222: #ifdef WITH_SDL
tron@2224: 	M("sdl",        "SDL Video Driver",       &_sdl_video_driver),
tron@2222: #endif
bjarni@2736: #ifdef WITH_COCOA
bjarni@2736: 	M("cocoa",      "Cocoa Video Driver",       &_cocoa_video_driver),
bjarni@2736: #endif
tron@2224: 	M("null",       "Null Video Driver",      &_null_video_driver),
tron@2222: #ifdef ENABLE_NETWORK
tron@2224: 	M("dedicated",  "Dedicated Video Driver", &_dedicated_video_driver),
tron@2222: #endif
tron@2224: 	M(NULL, NULL, NULL)
tron@2222: };
tron@2224: #undef M
tron@2222: 
tron@2219: 
truelight@2902: #define M(x, y, z) { x, y, (const HalCommonDriver **)(void *)z }
tron@2219: static const DriverClass _driver_classes[] = {
tron@2224: 	M(_video_driver_descs, "video", &_video_driver),
tron@2224: 	M(_sound_driver_descs, "sound", &_sound_driver),
tron@2224: 	M(_music_driver_descs, "music", &_music_driver)
tron@2171: };
tron@2224: #undef M
tron@2171: 
tron@2171: static const DriverDesc* GetDriverByName(const DriverDesc* dd, const char* name)
tron@2171: {
tron@2171: 	for (; dd->name != NULL; dd++) {
tron@2171: 		if (strcmp(dd->name, name) == 0) return dd;
tron@2171: 	}
tron@2171: 	return NULL;
tron@2171: }
tron@2171: 
tron@2171: void LoadDriver(int driver, const char *name)
tron@2171: {
tron@2171: 	const DriverClass *dc = &_driver_classes[driver];
tron@2171: 	const DriverDesc *dd;
tron@2171: 	const char *err;
tron@2171: 
tron@2210: 	if (*name == '\0') {
tron@2210: 		for (dd = dc->descs; dd->name != NULL; dd++) {
tron@2224: 			err = dd->drv->start(NULL);
tron@2210: 			if (err == NULL) break;
tron@2210: 			DEBUG(driver, 1) ("Probing %s driver \"%s\" failed with error: %s",
tron@2210: 				dc->name, dd->name, err
tron@2210: 			);
tron@2210: 		}
tron@2210: 		if (dd->name == NULL) {
tron@2210: 			error("Couldn't find any suitable %s driver", dc->name);
tron@2210: 		}
tron@2210: 
tron@2210: 		DEBUG(driver, 1)
tron@2210: 			("Successfully probed %s driver \"%s\"", dc->name, dd->name);
tron@2210: 
tron@2224: 		*dc->drv = dd->drv;
tron@2171: 	} else {
tron@2224: 		char* parm;
tron@2224: 		char buffer[256];
tron@2224: 		const char* parms[32];
tron@2224: 
tron@2171: 		// Extract the driver name and put parameter list in parm
tron@2171: 		ttd_strlcpy(buffer, name, sizeof(buffer));
tron@2171: 		parm = strchr(buffer, ':');
tron@2224: 		parms[0] = NULL;
tron@2224: 		if (parm != NULL) {
tron@2171: 			uint np = 0;
tron@2171: 			// Tokenize the parm.
tron@2171: 			do {
tron@2224: 				*parm++ = '\0';
tron@2171: 				if (np < lengthof(parms) - 1)
tron@2171: 					parms[np++] = parm;
tron@2224: 				while (*parm != '\0' && *parm != ',')
tron@2171: 					parm++;
tron@2171: 			} while (*parm == ',');
tron@2171: 			parms[np] = NULL;
tron@2171: 		}
tron@2171: 		dd = GetDriverByName(dc->descs, buffer);
tron@2171: 		if (dd == NULL)
tron@2171: 			error("No such %s driver: %s\n", dc->name, buffer);
tron@2210: 
tron@2224: 		if (*dc->drv != NULL) (*dc->drv)->stop();
tron@2224: 		*dc->drv = NULL;
tron@2210: 
tron@2224: 		err = dd->drv->start(parms);
tron@2210: 		if (err != NULL) {
tron@2210: 			error("Unable to load driver %s(%s). The error was: %s\n",
tron@2210: 				dd->name, dd->longname, err
tron@2210: 			);
tron@2210: 		}
tron@2224: 		*dc->drv = dd->drv;
tron@2171: 	}
tron@2171: }
tron@2171: 
tron@2171: 
tron@2171: static const char* GetDriverParam(const char* const* parm, const char* name)
tron@2171: {
tron@2458: 	size_t len;
tron@2171: 
tron@2224: 	if (parm == NULL) return NULL;
tron@2224: 
tron@2224: 	len = strlen(name);
tron@2171: 	for (; *parm != NULL; parm++) {
tron@2171: 		const char* p = *parm;
tron@2171: 
tron@2171: 		if (strncmp(p, name, len) == 0) {
tron@2171: 			if (p[len] == '=')  return p + len + 1;
tron@2171: 			if (p[len] == '\0') return p + len;
tron@2171: 		}
tron@2171: 	}
tron@2171: 	return NULL;
tron@2171: }
tron@2171: 
tron@2171: bool GetDriverParamBool(const char* const* parm, const char* name)
tron@2171: {
tron@2171: 	return GetDriverParam(parm, name) != NULL;
tron@2171: }
tron@2171: 
tron@2171: int GetDriverParamInt(const char* const* parm, const char* name, int def)
tron@2171: {
tron@2171: 	const char* p = GetDriverParam(parm, name);
tron@2171: 	return p != NULL ? atoi(p) : def;
tron@2171: }
tron@2171: 
tron@2171: 
truelight@2832: char *GetDriverList(char* p)
tron@2171: {
tron@2171: 	const DriverClass* dc;
tron@2171: 
tron@2171: 	for (dc = _driver_classes; dc != endof(_driver_classes); dc++) {
tron@2171: 		const DriverDesc* dd;
tron@2171: 
truelight@2832: 		p += sprintf(p, "List of %s drivers:\n", dc->name);
tron@2171: 		for (dd = dc->descs; dd->name != NULL; dd++) {
truelight@2832: 			p += sprintf(p, "%10s: %s\n", dd->name, dd->longname);
tron@2171: 		}
truelight@2832: 		p += sprintf(p, "\n");
tron@2171: 	}
truelight@2831: 
truelight@2832: 	return p;
tron@2171: }