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Feature: Show revision of newer savegames that have this information

pull/12054/head
Rubidium 2024-02-11 08:29:54 +01:00
parent 3b6fe07732
commit ea7b64786f
2 changed files with 15 additions and 4 deletions
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2
src/lang/english.txt
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@ -4902,7 +4902,7 @@ STR_ERROR_UNABLE_TO_DELETE_FILE :{WHITE}Unable t
STR_ERROR_GAME_LOAD_FAILED :{WHITE}Game Load Failed{}{STRING1}
STR_GAME_SAVELOAD_ERROR_BROKEN_INTERNAL_ERROR :Internal error: {RAW_STRING}
STR_GAME_SAVELOAD_ERROR_BROKEN_SAVEGAME :Broken savegame - {RAW_STRING}
STR_GAME_SAVELOAD_ERROR_TOO_NEW_SAVEGAME :Savegame is made with newer version
STR_GAME_SAVELOAD_ERROR_TOO_NEW_SAVEGAME_WITH_REVISION :Savegame is made with newer/unsupported version {RAW_STRING}
STR_GAME_SAVELOAD_ERROR_FILE_NOT_READABLE :File not readable
STR_GAME_SAVELOAD_ERROR_FILE_NOT_WRITEABLE :File not writeable
STR_GAME_SAVELOAD_ERROR_DATA_INTEGRITY_CHECK_FAILED :Data integrity check failed

17
src/saveload/saveload.cpp
View File

@ -42,6 +42,7 @@
#include "../string_func.h"
#include "../fios.h"
#include "../error.h"
#include "../rev.h"
#include <atomic>
#ifdef __EMSCRIPTEN__
# include <emscripten.h>
@ -2774,9 +2775,11 @@ static SaveOrLoadResult SaveFileToDisk(bool threaded)
byte compression;
const SaveLoadFormat *fmt = GetSavegameFormat(_savegame_format, &compression);
byte revision_length = ClampTo<byte>(strlen(_openttd_revision) + 1);
/* We have written our stuff to memory, now write it to file! */
uint32_t hdr[2] = { fmt->tag, TO_BE32(SAVEGAME_VERSION << 16) };
uint32_t hdr[2] = { fmt->tag, TO_BE32(SAVEGAME_VERSION << 16 | revision_length) };
_sl.sf->Write((byte*)hdr, sizeof(hdr));
_sl.sf->Write((const byte*)_openttd_revision, revision_length);
_sl.sf = fmt->init_write(_sl.sf, compression);
_sl.dumper->Flush(_sl.sf);
@ -2920,10 +2923,18 @@ static SaveOrLoadResult DoLoad(std::shared_ptr<LoadFilter> reader, bool load_che
* Therefore it is loaded, but never saved (or, it saves a 0 in any scenario). */
_sl_minor_version = (TO_BE32(hdr[1]) >> 8) & 0xFF;
Debug(sl, 1, "Loading savegame version {}", _sl_version);
byte revision_length = static_cast<byte>(TO_BE32(hdr[1]) & 0xFF);
std::string revision;
if (_sl_version > SLV_END_PATCHPACKS && revision_length > 0) {
char buffer[0xFF];
if (_sl.lf->Read((byte*)buffer, revision_length) != revision_length) SlError(STR_GAME_SAVELOAD_ERROR_FILE_NOT_READABLE);
revision = StrMakeValid(std::string_view(buffer, revision_length));
}
Debug(sl, 1, "Loading savegame version {} ({})", _sl_version, revision);
/* Is the version higher than the current? */
if (_sl_version > SAVEGAME_VERSION) SlError(STR_GAME_SAVELOAD_ERROR_TOO_NEW_SAVEGAME);
if (_sl_version > SAVEGAME_VERSION) SlError(STR_GAME_SAVELOAD_ERROR_TOO_NEW_SAVEGAME_WITH_REVISION, revision);
if (_sl_version >= SLV_START_PATCHPACKS && _sl_version <= SLV_END_PATCHPACKS) SlError(STR_GAME_SAVELOAD_ERROR_PATCHPACK);
break;
}