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Location: cpp/openttd-patchpack/source/src/driver.cpp - annotation
r6111:f19227e298a8
5.5 KiB
text/x-c
(svn r8847) -Fix
There is not much point in hiding a normal 64bit multiplication in a function, so do not do it
There is not much point in hiding a normal 64bit multiplication in a function, so do not do it
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#include "stdafx.h"
#include "openttd.h"
#include "debug.h"
#include "driver.h"
#include "functions.h"
#include "hal.h"
#include "string.h"
#include "music/bemidi.h"
#include "music/dmusic.h"
#include "music/extmidi.h"
#include "music/null_m.h"
#include "music/os2_m.h"
#include "music/win32_m.h"
#include "music/qtmidi.h"
#include "music/libtimidity.h"
#include "sound/null_s.h"
#include "sound/sdl_s.h"
#include "sound/cocoa_s.h"
#include "sound/win32_s.h"
#include "video/dedicated_v.h"
#include "video/null_v.h"
#include "video/sdl_v.h"
#include "video/cocoa_v.h"
#include "video/win32_v.h"
typedef struct DriverDesc {
const char* name;
const char* longname;
const HalCommonDriver* drv;
} DriverDesc;
typedef struct DriverClass {
const DriverDesc *descs;
const char *name;
const HalCommonDriver** drv;
} DriverClass;
#define M(x, y, z) { x, y, (const HalCommonDriver *)(void *)z }
static const DriverDesc _music_driver_descs[] = {
#ifdef __BEOS__
M("bemidi", "BeOS MIDI Driver", &_bemidi_music_driver),
#endif
#if defined(__OS2__) && !defined(__INNOTEK_LIBC__)
M("os2", "OS/2 Music Driver", &_os2_music_driver),
#endif
#ifdef WIN32_ENABLE_DIRECTMUSIC_SUPPORT
M("dmusic", "DirectMusic MIDI Driver", &_dmusic_midi_driver),
#endif
#if defined(WIN32) && !defined(WINCE)
M("win32", "Win32 MIDI Driver", &_win32_music_driver),
#endif
#if defined(__APPLE__) && !defined(DEDICATED)
M("qt", "QuickTime MIDI Driver", &_qtime_music_driver),
#endif
#ifdef UNIX
#if defined(LIBTIMIDITY)
M("libtimidity", "LibTimidity MIDI Driver", &_libtimidity_music_driver),
#endif /* LIBTIMIDITY */
#if !defined(__MORPHOS__) && !defined(__AMIGA__) && !defined(PSP)
M("extmidi", "External MIDI Driver", &_extmidi_music_driver),
#endif
#endif
M("null", "Null Music Driver", &_null_music_driver),
M(NULL, NULL, NULL)
};
static const DriverDesc _sound_driver_descs[] = {
#if defined(WIN32) && !defined(WINCE)
M("win32", "Win32 WaveOut Driver", &_win32_sound_driver),
#endif
#ifdef WITH_SDL
M("sdl", "SDL Sound Driver", &_sdl_sound_driver),
#endif
#ifdef WITH_COCOA
M("cocoa", "Cocoa Sound Driver", &_cocoa_sound_driver),
#endif
M("null", "Null Sound Driver", &_null_sound_driver),
M(NULL, NULL, NULL)
};
static const DriverDesc _video_driver_descs[] = {
#ifdef WIN32
M("win32", "Win32 GDI Video Driver", &_win32_video_driver),
#endif
#ifdef WITH_SDL
M("sdl", "SDL Video Driver", &_sdl_video_driver),
#endif
#ifdef WITH_COCOA
M("cocoa", "Cocoa Video Driver", &_cocoa_video_driver),
#endif
M("null", "Null Video Driver", &_null_video_driver),
#ifdef ENABLE_NETWORK
M("dedicated", "Dedicated Video Driver", &_dedicated_video_driver),
#endif
M(NULL, NULL, NULL)
};
#undef M
#define M(x, y, z) { x, y, (const HalCommonDriver **)(void *)z }
static const DriverClass _driver_classes[] = {
M(_video_driver_descs, "video", &_video_driver),
M(_sound_driver_descs, "sound", &_sound_driver),
M(_music_driver_descs, "music", &_music_driver)
};
#undef M
static const DriverDesc* GetDriverByName(const DriverDesc* dd, const char* name)
{
for (; dd->name != NULL; dd++) {
if (strcmp(dd->name, name) == 0) return dd;
}
return NULL;
}
void LoadDriver(int driver, const char *name)
{
const DriverClass *dc = &_driver_classes[driver];
const DriverDesc *dd;
const char *err;
if (*name == '\0') {
for (dd = dc->descs; dd->name != NULL; dd++) {
err = dd->drv->start(NULL);
if (err == NULL) break;
DEBUG(driver, 1, "Probing %s driver '%s' failed with error: %s",
dc->name, dd->name, err
);
}
if (dd->name == NULL) error("Couldn't find any suitable %s driver", dc->name);
DEBUG(driver, 1, "Successfully probed %s driver '%s'", dc->name, dd->name);
*dc->drv = dd->drv;
} else {
char* parm;
char buffer[256];
const char* parms[32];
// Extract the driver name and put parameter list in parm
ttd_strlcpy(buffer, name, sizeof(buffer));
parm = strchr(buffer, ':');
parms[0] = NULL;
if (parm != NULL) {
uint np = 0;
// Tokenize the parm.
do {
*parm++ = '\0';
if (np < lengthof(parms) - 1)
parms[np++] = parm;
while (*parm != '\0' && *parm != ',')
parm++;
} while (*parm == ',');
parms[np] = NULL;
}
dd = GetDriverByName(dc->descs, buffer);
if (dd == NULL)
error("No such %s driver: %s\n", dc->name, buffer);
if (*dc->drv != NULL) (*dc->drv)->stop();
*dc->drv = NULL;
err = dd->drv->start(parms);
if (err != NULL) {
error("Unable to load driver %s(%s). The error was: %s\n",
dd->name, dd->longname, err
);
}
*dc->drv = dd->drv;
}
}
static const char* GetDriverParam(const char* const* parm, const char* name)
{
size_t len;
if (parm == NULL) return NULL;
len = strlen(name);
for (; *parm != NULL; parm++) {
const char* p = *parm;
if (strncmp(p, name, len) == 0) {
if (p[len] == '=') return p + len + 1;
if (p[len] == '\0') return p + len;
}
}
return NULL;
}
bool GetDriverParamBool(const char* const* parm, const char* name)
{
return GetDriverParam(parm, name) != NULL;
}
int GetDriverParamInt(const char* const* parm, const char* name, int def)
{
const char* p = GetDriverParam(parm, name);
return p != NULL ? atoi(p) : def;
}
char *GetDriverList(char* p, const char *last)
{
const DriverClass* dc;
for (dc = _driver_classes; dc != endof(_driver_classes); dc++) {
const DriverDesc* dd;
p += snprintf(p, last - p, "List of %s drivers:\n", dc->name);
for (dd = dc->descs; dd->name != NULL; dd++) {
p += snprintf(p, last - p, "%10s: %s\n", dd->name, dd->longname);
}
p = strecpy(p, "\n", last);
}
return p;
}
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