mirror of
https://github.com/TerryCavanagh/VVVVVV.git
synced 2024-12-23 01:59:43 +01:00
Axe save file migration
The chances of someone using 2.0, then directly jumping to 2.4, are pretty low - 2.0 is almost a decade old at this point.
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85dc6db85b
commit
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1 changed files with 1 additions and 181 deletions
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@ -25,13 +25,9 @@ int mkdir(char* path, int mode)
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MultiByteToWideChar(CP_UTF8, 0, path, -1, utf16_path, MAX_PATH);
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MultiByteToWideChar(CP_UTF8, 0, path, -1, utf16_path, MAX_PATH);
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return CreateDirectoryW(utf16_path, NULL);
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return CreateDirectoryW(utf16_path, NULL);
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}
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}
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#define VNEEDS_MIGRATION (mkdirResult != 0)
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#elif defined(__linux__) || defined(__APPLE__) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__HAIKU__) || defined(__DragonFly__)
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#elif defined(__linux__) || defined(__APPLE__) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__HAIKU__) || defined(__DragonFly__)
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#include <unistd.h>
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#include <dirent.h>
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#include <limits.h>
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#include <limits.h>
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#include <sys/stat.h>
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#include <sys/stat.h>
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#define VNEEDS_MIGRATION (mkdirResult == 0)
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#define MAX_PATH PATH_MAX
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#define MAX_PATH PATH_MAX
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#endif
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#endif
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@ -42,8 +38,6 @@ static char assetDir[MAX_PATH] = {'\0'};
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static char virtualMountPath[MAX_PATH] = {'\0'};
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static char virtualMountPath[MAX_PATH] = {'\0'};
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static int PLATFORM_getOSDirectory(char* output, const size_t output_size);
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static int PLATFORM_getOSDirectory(char* output, const size_t output_size);
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static void PLATFORM_migrateSaveData(char* output);
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static void PLATFORM_copyFile(const char *oldLocation, const char *newLocation);
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static void* bridged_malloc(PHYSFS_uint64 size)
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static void* bridged_malloc(PHYSFS_uint64 size)
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{
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{
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@ -66,7 +60,6 @@ static const PHYSFS_Allocator allocator = {
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int FILESYSTEM_init(char *argvZero, char* baseDir, char *assetsPath)
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int FILESYSTEM_init(char *argvZero, char* baseDir, char *assetsPath)
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{
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{
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char output[MAX_PATH];
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char output[MAX_PATH];
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int mkdirResult;
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int retval;
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int retval;
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const char* pathSep = PHYSFS_getDirSeparator();
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const char* pathSep = PHYSFS_getDirSeparator();
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char* basePath;
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char* basePath;
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@ -136,15 +129,9 @@ int FILESYSTEM_init(char *argvZero, char* baseDir, char *assetsPath)
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"levels",
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"levels",
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pathSep
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pathSep
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);
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);
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mkdirResult = mkdir(levelDir, 0777);
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mkdir(levelDir, 0777);
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printf("Level directory: %s\n", levelDir);
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printf("Level directory: %s\n", levelDir);
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/* We didn't exist until now, migrate files! */
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if (VNEEDS_MIGRATION)
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{
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PLATFORM_migrateSaveData(output);
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}
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basePath = SDL_GetBasePath();
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basePath = SDL_GetBasePath();
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if (basePath == NULL)
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if (basePath == NULL)
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@ -1000,173 +987,6 @@ static int PLATFORM_getOSDirectory(char* output, const size_t output_size)
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#endif
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#endif
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}
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}
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static void PLATFORM_migrateSaveData(char* output)
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{
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char oldLocation[MAX_PATH];
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char newLocation[MAX_PATH];
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char oldDirectory[MAX_PATH];
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#if defined(__linux__) || defined(__APPLE__) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__HAIKU__) || defined(__DragonFly__)
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DIR *dir = NULL;
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struct dirent *de = NULL;
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DIR *subDir = NULL;
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struct dirent *subDe = NULL;
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char subDirLocation[MAX_PATH];
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const char *homeDir = SDL_getenv("HOME");
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if (homeDir == NULL)
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{
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/* Uhh, I don't want to get near this. -flibit */
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return;
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}
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const char oldPath[] =
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#if defined(__linux__) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__HAIKU__) || defined(__DragonFly__)
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"/.vvvvvv/";
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#elif defined(__APPLE__)
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"/Documents/VVVVVV/";
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#endif
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SDL_snprintf(oldDirectory, sizeof(oldDirectory), "%s%s", homeDir, oldPath);
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dir = opendir(oldDirectory);
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if (!dir)
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{
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printf("Could not find directory %s\n", oldDirectory);
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return;
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}
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printf("Migrating old savedata to new location...\n");
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for (de = readdir(dir); de != NULL; de = readdir(dir))
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{
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if ( SDL_strcmp(de->d_name, "..") == 0 ||
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SDL_strcmp(de->d_name, ".") == 0 )
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{
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continue;
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}
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#define COPY_SAVEFILE(name) \
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else if (SDL_strcmp(de->d_name, name) == 0) \
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{ \
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SDL_snprintf(oldLocation, sizeof(oldLocation), "%s%s", oldDirectory, name); \
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SDL_snprintf(newLocation, sizeof(newLocation), "%ssaves/%s", output, name); \
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PLATFORM_copyFile(oldLocation, newLocation); \
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}
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COPY_SAVEFILE("unlock.vvv")
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COPY_SAVEFILE("tsave.vvv")
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COPY_SAVEFILE("qsave.vvv")
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#undef COPY_SAVEFILE
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else if (SDL_strstr(de->d_name, ".vvvvvv.vvv") != NULL)
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{
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SDL_snprintf(oldLocation, sizeof(oldLocation), "%s%s", oldDirectory, de->d_name);
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SDL_snprintf(newLocation, sizeof(newLocation), "%ssaves/%s", output, de->d_name);
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PLATFORM_copyFile(oldLocation, newLocation);
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}
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else if (SDL_strstr(de->d_name, ".vvvvvv") != NULL)
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{
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SDL_snprintf(oldLocation, sizeof(oldLocation), "%s%s", oldDirectory, de->d_name);
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SDL_snprintf(newLocation, sizeof(newLocation), "%slevels/%s", output, de->d_name);
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PLATFORM_copyFile(oldLocation, newLocation);
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}
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else if (SDL_strcmp(de->d_name, "Saves") == 0)
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{
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SDL_snprintf(subDirLocation, sizeof(subDirLocation), "%sSaves/", oldDirectory);
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subDir = opendir(subDirLocation);
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if (!subDir)
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{
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printf("Could not open Saves/ subdir!\n");
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continue;
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}
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for (
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subDe = readdir(subDir);
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subDe != NULL;
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subDe = readdir(subDir)
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) {
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#define COPY_SAVEFILE(name) \
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(SDL_strcmp(subDe->d_name, name) == 0) \
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{ \
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SDL_snprintf(oldLocation, sizeof(oldLocation), "%s%s", subDirLocation, name); \
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SDL_snprintf(newLocation, sizeof(newLocation), "%ssaves/%s", output, name); \
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PLATFORM_copyFile(oldLocation, newLocation); \
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}
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if COPY_SAVEFILE("unlock.vvv")
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else if COPY_SAVEFILE("tsave.vvv")
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else if COPY_SAVEFILE("qsave.vvv")
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#undef COPY_SAVEFILE
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}
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}
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}
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#elif defined(_WIN32)
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WIN32_FIND_DATA findHandle;
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HANDLE hFind = NULL;
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char fileSearch[MAX_PATH];
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/* Same place, different layout. */
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SDL_strlcpy(oldDirectory, output, sizeof(oldDirectory));
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SDL_snprintf(fileSearch, sizeof(fileSearch), "%s\\*.vvvvvv", oldDirectory);
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hFind = FindFirstFile(fileSearch, &findHandle);
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if (hFind == INVALID_HANDLE_VALUE)
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{
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printf("Could not find directory %s\n", oldDirectory);
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}
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else do
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{
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if ((findHandle.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) == 0)
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{
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SDL_snprintf(oldLocation, sizeof(oldLocation), "%s%s", oldDirectory, findHandle.cFileName);
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SDL_snprintf(newLocation, sizeof(newLocation), "%slevels\\%s", output, findHandle.cFileName);
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PLATFORM_copyFile(oldLocation, newLocation);
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}
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} while (FindNextFile(hFind, &findHandle));
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#else
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#error See PLATFORM_migrateSaveData
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#endif
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}
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static void PLATFORM_copyFile(const char *oldLocation, const char *newLocation)
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{
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char *data;
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size_t length, bytes_read, bytes_written;
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/* Read data */
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FILE *file = fopen(oldLocation, "rb");
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if (!file)
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{
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printf("Cannot open/copy %s\n", oldLocation);
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return;
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}
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fseek(file, 0, SEEK_END);
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length = ftell(file);
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fseek(file, 0, SEEK_SET);
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data = (char*) SDL_malloc(length);
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if (data == NULL)
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{
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VVV_exit(1);
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}
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bytes_read = fread(data, 1, length, file);
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fclose(file);
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if (bytes_read != length)
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{
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printf("An error occurred when reading from %s\n", oldLocation);
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SDL_free(data);
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return;
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}
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/* Write data */
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file = fopen(newLocation, "wb");
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if (!file)
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{
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printf("Could not write to %s\n", newLocation);
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SDL_free(data);
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return;
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}
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bytes_written = fwrite(data, 1, length, file);
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fclose(file);
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SDL_free(data);
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/* WTF did we just do */
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printf("Copied:\n\tOld: %s\n\tNew: %s\n", oldLocation, newLocation);
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if (bytes_written != length)
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{
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printf("Warning: an error occurred when writing to %s\n", newLocation);
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}
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}
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bool FILESYSTEM_openDirectoryEnabled(void)
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bool FILESYSTEM_openDirectoryEnabled(void)
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{
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{
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/* This is just a check to see if we're on a desktop or tenfoot setup.
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/* This is just a check to see if we're on a desktop or tenfoot setup.
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