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#include "stdafx.h"

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#include "ttd.h"

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#include "window.h"

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#include "string.h"

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#include "table/strings.h"

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#include "hal.h"

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#include <dirent.h>

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#include <unistd.h>

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#include <sys/stat.h>

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#include <time.h>

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#include <pwd.h>

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#if defined(__linux__)

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#include <sys/statvfs.h>

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#endif

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#if defined(WITH_SDL)

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#include <SDL.h>

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#endif

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#ifdef __MORPHOS__

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#include <exec/types.h>

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ULONG __stack = (1024*1024)*2; // maybe not that much is needed actually ;)

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#endif /* __MORPHOS__ */

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#ifdef __AMIGA__

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#warning add stack symbol to avoid that user needs to set stack manually (tokai)

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// ULONG __stack =

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#endif

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static char *_fios_path;

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static char *_fios_save_path;

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static char *_fios_scn_path;

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static FiosItem *_fios_items;

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static int _fios_count, _fios_alloc;

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static FiosItem *FiosAlloc(void)

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{

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	if (_fios_count == _fios_alloc) {

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		_fios_alloc += 256;

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		_fios_items = realloc(_fios_items, _fios_alloc * sizeof(FiosItem));

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	}

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	return &_fios_items[_fios_count++];

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}

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int compare_FiosItems (const void *a, const void *b) {

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	const FiosItem *da = (const FiosItem *) a;

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	const FiosItem *db = (const FiosItem *) b;

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	int r;

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	if (_savegame_sort_order < 2) // sort by date

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    r = da->mtime < db->mtime ? -1 : 1;

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	else

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		r = strcasecmp(da->title[0] ? da->title : da->name, db->title[0] ? db->title : db->name);

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    58

	if (_savegame_sort_order & 1) r = -r;

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	return r;

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}

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// Get a list of savegames

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FiosItem *FiosGetSavegameList(int *num, int mode)

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{

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	FiosItem *fios;

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	DIR *dir;

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	struct dirent *dirent;

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	struct stat sb;

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	int sort_start;

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	char filename[MAX_PATH];

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	if (_fios_save_path == NULL) {

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		_fios_save_path = malloc(MAX_PATH);

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		strcpy(_fios_save_path, _path.save_dir);

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	}

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	if(_game_mode==GM_EDITOR)

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		_fios_path = _fios_scn_path;

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	else

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		_fios_path = _fios_save_path;

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	// Parent directory, only if not in root already.

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	if (_fios_path[1] != 0) {

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		fios = FiosAlloc();

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		fios->type = FIOS_TYPE_PARENT;

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		fios->mtime = 0;

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	}

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	// Show subdirectories first

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	dir = opendir(_fios_path[0] ? _fios_path : "/");

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	if (dir != NULL) {

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		while ((dirent = readdir(dir))) {

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			}

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		}

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		closedir(dir);

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	}

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	{

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		/* XXX ugly global variables ... */

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		byte order = _savegame_sort_order;

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		_savegame_sort_order = 2; // sort ascending by name

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		qsort(_fios_items, _fios_count, sizeof(FiosItem), compare_FiosItems);

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		_savegame_sort_order = order;

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	}

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	// this is where to start sorting

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	sort_start = _fios_count;

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   120

	/*	Show savegame files

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	 *	.SAV	OpenTTD saved game

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	 *	.SS1	Transport Tycoon Deluxe preset game

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	 *	.SV1	Transport Tycoon Deluxe (Patch) saved game

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	 *	.SV2	Transport Tycoon Deluxe (Patch) saved 2-player game

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	 */

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	dir = opendir(_fios_path[0] ? _fios_path : "/");

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	if (dir != NULL) {

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		while ((dirent = readdir(dir))) {

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				}

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			}

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		}

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		closedir(dir);

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	}

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	*num = _fios_count;

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	qsort(_fios_items + sort_start, _fios_count - sort_start, sizeof(FiosItem), compare_FiosItems);

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	return _fios_items;

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}

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// Get a list of scenarios

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FiosItem *FiosGetScenarioList(int *num, int mode)

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{

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	FiosItem *fios;

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	DIR *dir;

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	struct dirent *dirent;

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	struct stat sb;

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	int sort_start;

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	char filename[MAX_PATH];

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	if (_fios_scn_path == NULL) {

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		_fios_scn_path = malloc(MAX_PATH);

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		strcpy(_fios_scn_path, _path.scenario_dir);

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	}

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	_fios_path = _fios_scn_path;

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	// Show subdirectories first

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	dir = opendir(_fios_path[0] ? _fios_path : "/");

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	if (dir != NULL) {

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		while ((dirent = readdir(dir))) {

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			}

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		}

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		closedir(dir);

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	}

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	// this is where to start sorting

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	sort_start = _fios_count;

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	/*	Show scenario files

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	 *	.SCN	OpenTTD style scenario file

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	 *	.SV0	Transport Tycoon Deluxe (Patch) scenario

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	 *	.SS0	Transport Tycoon Deluxe preset scenario

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	 */

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	dir = opendir(_fios_path[0] ? _fios_path : "/");

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	if (dir != NULL) {

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		while ((dirent = readdir(dir))) {

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				}

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			}

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		}

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		closedir(dir);

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	}

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	*num = _fios_count;

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	qsort(_fios_items + sort_start, _fios_count - sort_start, sizeof(FiosItem), compare_FiosItems);

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	return _fios_items;

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}

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// Free the list of savegames

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void FiosFreeSavegameList(void)

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{

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	free(_fios_items);

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	_fios_items = NULL;

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	_fios_alloc = _fios_count = 0;

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}

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// Browse to

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char *FiosBrowseTo(const FiosItem *item)

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{

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	static char str_buffr[512];

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	char *path = _fios_path;

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	char *s;

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	switch(item->type) {

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	case FIOS_TYPE_PARENT:

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		s = strrchr(path, '/');

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		if (s != NULL) *s = 0;

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		break;

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	case FIOS_TYPE_DIR:

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		s = strchr(item->name, '/');

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		if (s) *s = 0;

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		while (*path) path++;

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		*path++ = '/';

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		strcpy(path, item->name);

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		break;

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	case FIOS_TYPE_FILE:

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		FiosMakeSavegameName(str_buffr, item->name);

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		return str_buffr;

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	case FIOS_TYPE_OLDFILE:

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		sprintf(str_buffr, "%s/%s.%s", _fios_path, item->name, _old_extensions[item->old_extension]);

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		return str_buffr;

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	case FIOS_TYPE_SCENARIO:

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		sprintf(str_buffr, "%s/%s.scn", path, item->name);

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		return str_buffr;

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	case FIOS_TYPE_OLD_SCENARIO:

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		sprintf(str_buffr, "%s/%s.%s", path, item->name, _old_extensions[item->old_extension]);

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		return str_buffr;

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	}

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	return NULL;

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}

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// Get descriptive texts.

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// Returns a path as well as a

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//  string describing the path.

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StringID FiosGetDescText(const char **path)

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{

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	*path = _fios_path[0] ? _fios_path : "/";

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#if defined(__linux__)

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	{

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	struct statvfs s;

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	if (statvfs(*path, &s) == 0)

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	{

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		uint64 tot = (uint64)s.f_bsize * s.f_bavail;

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		SetDParam(0, (uint32)(tot >> 20));

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		return STR_4005_BYTES_FREE;

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	}

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	else

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		return STR_4006_UNABLE_TO_READ_DRIVE;

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	}

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#else

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	SetDParam(0, 0);

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	return STR_4005_BYTES_FREE;

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#endif

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}

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void FiosMakeSavegameName(char *buf, const char *name)

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{

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	if(_game_mode==GM_EDITOR)

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		sprintf(buf, "%s/%s.scn", _fios_path, name);

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	else

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		sprintf(buf, "%s/%s.sav", _fios_path, name);

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}

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void FiosDelete(const char *name)

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{

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	char path[512];

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	FiosMakeSavegameName(path, name);

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	unlink(path);

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}

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const DriverDesc _video_driver_descs[] = {

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	{"null",	"Null Video Driver",	&_null_video_driver,	0},

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#if defined(WITH_SDL)

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	{ "sdl",	"SDL Video Driver",		&_sdl_video_driver,		1},

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#endif

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	{ "dedicated", "Dedicated Video Driver", &_dedicated_video_driver, 0},

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	{ NULL,		NULL,									NULL,									0}

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};

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const DriverDesc _sound_driver_descs[] = {

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	{"null",	"Null Sound Driver",	&_null_sound_driver,		0},

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#if defined(WITH_SDL)

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	{ "sdl",	"SDL Sound Driver",		&_sdl_sound_driver,			1},

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#endif

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	{ NULL,		NULL,									NULL,										0}

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};

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#if defined(__APPLE__)

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#define EXTMIDI_PRI 2

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#else

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#define EXTMIDI_PRI 0

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#endif

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const DriverDesc _music_driver_descs[] = {

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#ifndef __BEOS__

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#if !defined(__MORPHOS__) && !defined(__AMIGA__)

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// MorphOS and AmigaOS have no music support

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	{"extmidi",	"External MIDI Driver",	&_extmidi_music_driver,	EXTMIDI_PRI},

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#endif

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#endif

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#ifdef __BEOS__

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	{ "bemidi",	"BeOS MIDI Driver",			&_bemidi_music_driver,	1},

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#endif

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	{   "null",	"Null Music Driver",		&_null_music_driver,		1},

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	{     NULL,	NULL,										NULL,										0}

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};

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/* GetOSVersion returns the minimal required version of OS to be able to use that driver.

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	 Not needed for *nix. */

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byte GetOSVersion(void)

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{

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	return 2;  // any arbitrary number bigger than 0

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				// numbers lower than 2 breaks default music selection on mac

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}

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bool FileExists(const char *filename)

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{

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	return access(filename, 0) == 0;

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}

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static int LanguageCompareFunc(const void *a, const void *b)

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{

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	return strcmp(*(const char* const *)a, *(const char* const *)b);

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}

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int GetLanguageList(char **languages, int max)

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{

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	DIR *dir;

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	struct dirent *dirent;

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	int num = 0;

   400

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	dir = opendir(_path.lang_dir);

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	if (dir != NULL) {

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		while ((dirent = readdir(dir))) {

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			char *t = strrchr(dirent->d_name, '.');

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			if (t && !strcmp(t, ".lng")) {

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				languages[num++] = strdup(dirent->d_name);

   407

				if (num == max) break;

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			}

   409

		}

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		closedir(dir);

   411

	}

   412

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	qsort(languages, num, sizeof(char*), LanguageCompareFunc);

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	return num;

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}

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#if defined(__BEOS__) || defined(__linux__)

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static void ChangeWorkingDirectory(char *exe)

   419

{

   420

	char *s = strrchr(exe, '/');

   421

	if (s != NULL) {

   422

		*s = 0;

   423

		chdir(exe);

   424

		*s = '/';

   425

	}

   426

}

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#endif

   428

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void ShowInfo(const char *str)

   430

{

   431

	puts(str);

   432

}

   433

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void ShowOSErrorBox(const char *buf)

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{

   436

#if defined(__APPLE__)

   437

	// this creates an error in the console and then opens the console.

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	// Colourcodes are not used in the console, so they are skipped here

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	fprintf(stderr, "Error: %s", buf);

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	system("/Applications/Utilities/Console.app/Contents/MacOS/Console &");

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#else

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	// all systems, but OSX

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	fprintf(stderr, "\033[1;31mError: %s\033[0;39m\n", buf);

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#endif

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}

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int CDECL main(int argc, char* argv[])

   448

{

   449

	// change the working directory to enable doubleclicking in UIs

   450

#if defined(__BEOS__) || defined(__linux__)

   451

	ChangeWorkingDirectory(argv[0]);

   452

#endif

   453

   454

	_random_seeds[0][1] = _random_seeds[0][0] = time(NULL);

   455

   456

   457

	return ttd_main(argc, argv);

   458

}

   459

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void DeterminePaths(void)

   461

{

   462

	char *s;

   463

   464

	_path.game_data_dir = malloc( MAX_PATH );

   465

	ttd_strlcpy(_path.game_data_dir, GAME_DATA_DIR, MAX_PATH);

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	#if defined SECOND_DATA_DIR

   467

	_path.second_data_dir = malloc( MAX_PATH );

   468

	ttd_strlcpy( _path.second_data_dir, SECOND_DATA_DIR, MAX_PATH);

   469

	#endif

   470

   471

#if defined(USE_HOMEDIR)

   472

	{

   473

		char *homedir;

   474

		homedir = getenv("HOME");

   475

   476

		if(!homedir) {

   477

			struct passwd *pw = getpwuid(getuid());

   478

			if (pw) homedir = pw->pw_dir;

   479

		}

   480

   481

		_path.personal_dir = str_fmt("%s" PATHSEP "%s", homedir, PERSONAL_DIR);

   482

	}

   483

   484

#else /* not defined(USE_HOMEDIR) */

   485

   486

	_path.personal_dir = malloc( MAX_PATH );

   487

	ttd_strlcpy(_path.personal_dir, PERSONAL_DIR, MAX_PATH);

   488

   489

	// check if absolute or relative path

   490

	s = strchr(_path.personal_dir, '/');

   491

   492

	// add absolute path

   493

	if (s==NULL || _path.personal_dir != s) {

   494

		getcwd(_path.personal_dir, MAX_PATH);

   495

		s = strchr(_path.personal_dir, 0);

   496

		*s++ = '/';

   497

		ttd_strlcpy(s, PERSONAL_DIR, MAX_PATH);

   498

	}

   499

   500

#endif /* defined(USE_HOMEDIR) */

   501

   502

	s = strchr(_path.personal_dir, 0);

   503

   504

	// append a / ?

   505

	if (s[-1] != '/') { s[0] = '/'; s[1] = 0; }

   506

   507

	_path.save_dir = str_fmt("%ssave", _path.personal_dir);

   508

	_path.autosave_dir = str_fmt("%s/autosave", _path.save_dir);

   509

	_path.scenario_dir = str_fmt("%sscenario", _path.personal_dir);

   510

	_path.gm_dir = str_fmt("%sgm/", _path.game_data_dir);

   511

	_path.data_dir = str_fmt("%sdata/", _path.game_data_dir);