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Location: cpp/openttd-patchpack/source/driver.c - annotation
r2221:90ca9dcf90f1
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(svn r2739) -Fix(?): Change the fence algorithm so it removes fences when no farm tile is adjacent
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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 "sound/null_s.h"
#include "sound/sdl_s.h"
#include "sound/win32_s.h"
#include "video/dedicated_v.h"
#include "video/null_v.h"
#include "video/sdl_v.h"
#include "video/win32_v.h"
typedef struct DriverDesc {
const char* name;
const char* longname;
const void* drv;
} DriverDesc;
typedef struct DriverClass {
const DriverDesc *descs;
const char *name;
void *var;
} DriverClass;
static const DriverDesc _video_driver_descs[];
static const DriverDesc _sound_driver_descs[];
static const DriverDesc _music_driver_descs[];
static const DriverClass _driver_classes[] = {
{_video_driver_descs, "video", &_video_driver},
{_sound_driver_descs, "sound", &_sound_driver},
{_music_driver_descs, "music", &_music_driver},
};
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 void **var;
const void *drv;
const char *err;
char *parm;
char buffer[256];
const char *parms[32];
parms[0] = NULL;
if (*name == '\0') {
for (dd = dc->descs; dd->name != NULL; dd++) {
err = ((const HalCommonDriver*)dd->drv)->start(parms);
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);
var = dc->var;
*var = dd->drv;
} else {
// Extract the driver name and put parameter list in parm
ttd_strlcpy(buffer, name, sizeof(buffer));
parm = strchr(buffer, ':');
if (parm) {
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);
var = dc->var;
if (*var != NULL) ((const HalCommonDriver*)*var)->stop();
*var = NULL;
drv = dd->drv;
err = ((const HalCommonDriver*)drv)->start(parms);
if (err != NULL) {
error("Unable to load driver %s(%s). The error was: %s\n",
dd->name, dd->longname, err
);
}
*var = drv;
}
}
static const char* GetDriverParam(const char* const* parm, const char* name)
{
uint 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;
}
void GetDriverList(char* p)
{
const DriverClass* dc;
for (dc = _driver_classes; dc != endof(_driver_classes); dc++) {
const DriverDesc* dd;
p += sprintf(p, "List of %s drivers:\n", dc->name);
for (dd = dc->descs; dd->name != NULL; dd++) {
p += sprintf(p, "%10s: %s\n", dd->name, dd->longname);
}
}
}
static const DriverDesc _music_driver_descs[] = {
#ifdef __BEOS__
{ "bemidi", "BeOS MIDI Driver", &_bemidi_music_driver },
#endif
#ifdef __OS2__
{ "os2", "OS/2 Music Driver", &_os2_music_driver},
#endif
#ifdef WIN32_ENABLE_DIRECTMUSIC_SUPPORT
{ "dmusic", "DirectMusic MIDI Driver", &_dmusic_midi_driver },
#endif
#ifdef WIN32
{ "win32", "Win32 MIDI Driver", &_win32_music_driver },
#endif
#ifdef UNIX
#if !defined(__BEOS__) && !defined(__MORPHOS__) && !defined(__AMIGA__)
{ "extmidi", "External MIDI Driver", &_extmidi_music_driver },
#endif
#endif
{ "null", "Null Music Driver", &_null_music_driver },
{ NULL, NULL, NULL}
};
static const DriverDesc _sound_driver_descs[] = {
#ifdef WIN32
{ "win32", "Win32 WaveOut Driver", &_win32_sound_driver },
#endif
#ifdef WITH_SDL
{ "sdl", "SDL Sound Driver", &_sdl_sound_driver },
#endif
{ "null", "Null Sound Driver", &_null_sound_driver },
{ NULL, NULL, NULL}
};
static const DriverDesc _video_driver_descs[] = {
#ifdef WIN32
{ "win32", "Win32 GDI Video Driver", &_win32_video_driver },
#endif
#ifdef WITH_SDL
{ "sdl", "SDL Video Driver", &_sdl_video_driver },
#endif
{ "null", "Null Video Driver", &_null_video_driver},
#ifdef ENABLE_NETWORK
{ "dedicated", "Dedicated Video Driver", &_dedicated_video_driver},
#endif
{ NULL, NULL, NULL}
};
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