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r26913:e7b3d514fe34
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Revert 92c7551: Line drawing algorithm fix broke other cases (#10497)
This reverts commit 92c755161d6a467d33477bd0041fc720d7d9ba41.
This reverts commit 92c755161d6a467d33477bd0041fc720d7d9ba41.
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* This file is part of OpenTTD.
* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file fileio_func.h Functions for Standard In/Out file operations */
#ifndef FILEIO_FUNC_H
#define FILEIO_FUNC_H
#include "core/enum_type.hpp"
#include "fileio_type.h"
#include <string>
#include <vector>
void FioFCloseFile(FILE *f);
FILE *FioFOpenFile(const std::string &filename, const char *mode, Subdirectory subdir, size_t *filesize = nullptr);
bool FioCheckFileExists(const std::string &filename, Subdirectory subdir);
std::string FioFindFullPath(Subdirectory subdir, const char *filename);
std::string FioGetDirectory(Searchpath sp, Subdirectory subdir);
std::string FioFindDirectory(Subdirectory subdir);
void FioCreateDirectory(const std::string &name);
const char *FiosGetScreenshotDir();
void SanitizeFilename(char *filename);
void AppendPathSeparator(std::string &buf);
void DeterminePaths(const char *exe, bool only_local_path);
std::unique_ptr<char[]> ReadFileToMem(const std::string &filename, size_t &lenp, size_t maxsize);
bool FileExists(const std::string &filename);
bool ExtractTar(const std::string &tar_filename, Subdirectory subdir);
extern std::string _personal_dir; ///< custom directory for personal settings, saves, newgrf, etc.
extern std::vector<Searchpath> _valid_searchpaths;
/** Helper for scanning for files with a given name */
class FileScanner {
protected:
Subdirectory subdir; ///< The current sub directory we are searching through
public:
/** Destruct the proper one... */
virtual ~FileScanner() {}
uint Scan(const char *extension, Subdirectory sd, bool tars = true, bool recursive = true);
uint Scan(const char *extension, const char *directory, bool recursive = true);
/**
* Add a file with the given filename.
* @param filename the full path to the file to read
* @param basepath_length amount of characters to chop of before to get a
* filename relative to the search path.
* @param tar_filename the name of the tar file the file is read from.
* @return true if the file is added.
*/
virtual bool AddFile(const std::string &filename, size_t basepath_length, const std::string &tar_filename) = 0;
};
/** Helper for scanning for files with tar as extension */
class TarScanner : FileScanner {
uint DoScan(Subdirectory sd);
public:
/** The mode of tar scanning. */
enum Mode {
NONE = 0, ///< Scan nothing.
BASESET = 1 << 0, ///< Scan for base sets.
NEWGRF = 1 << 1, ///< Scan for non-base sets.
AI = 1 << 2, ///< Scan for AIs and its libraries.
SCENARIO = 1 << 3, ///< Scan for scenarios and heightmaps.
GAME = 1 << 4, ///< Scan for game scripts.
ALL = BASESET | NEWGRF | AI | SCENARIO | GAME, ///< Scan for everything.
};
bool AddFile(const std::string &filename, size_t basepath_length, const std::string &tar_filename = {}) override;
bool AddFile(Subdirectory sd, const std::string &filename);
/** Do the scan for Tars. */
static uint DoScan(TarScanner::Mode mode);
};
DECLARE_ENUM_AS_BIT_SET(TarScanner::Mode)
/* Implementation of opendir/readdir/closedir for Windows */
#if defined(_WIN32)
struct DIR;
struct dirent { // XXX - only d_name implemented
wchar_t *d_name; // name of found file
/* little hack which will point to parent DIR struct which will
* save us a call to GetFileAttributes if we want information
* about the file (for example in function fio_bla) */
DIR *dir;
};
DIR *opendir(const wchar_t *path);
struct dirent *readdir(DIR *d);
int closedir(DIR *d);
#else
/* Use system-supplied opendir/readdir/closedir functions */
# include <sys/types.h>
# include <dirent.h>
#endif /* defined(_WIN32) */
/**
* A wrapper around opendir() which will convert the string from
* OPENTTD encoding to that of the filesystem. For all purposes this
* function behaves the same as the original opendir function
* @param path string to open directory of
* @return DIR pointer
*/
static inline DIR *ttd_opendir(const char *path)
{
return opendir(OTTD2FS(path).c_str());
}
/** Auto-close a file upon scope exit. */
class FileCloser {
FILE *f;
public:
FileCloser(FILE *_f) : f(_f) {}
~FileCloser()
{
fclose(f);
}
};
/** Helper to manage a FILE with a \c std::unique_ptr. */
struct FileDeleter {
void operator()(FILE *f)
{
if (f) fclose(f);
}
};
#endif /* FILEIO_FUNC_H */
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