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Codechange: Additional type safety for saveload version variables.

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This commit is contained in:
Peter Nelson
2019-01-29 00:56:28 +00:00
committed by PeterN
parent 9de12521ec
commit 0f37a683a2
4 changed files with 18 additions and 18 deletions
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20
src/saveload/saveload.cpp
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@@ -53,16 +53,16 @@
#include "../safeguards.h"
extern const uint16 SAVEGAME_VERSION = SL_MAX_VERSION - 1; ///< Current savegame version of OpenTTD.
extern const SaveLoadVersion SAVEGAME_VERSION = (SaveLoadVersion)(SL_MAX_VERSION - 1); ///< Current savegame version of OpenTTD.
SavegameType _savegame_type; ///< type of savegame we are loading
FileToSaveLoad _file_to_saveload; ///< File to save or load in the openttd loop.
uint32 _ttdp_version; ///< version of TTDP savegame (if applicable)
uint16 _sl_version; ///< the major savegame version identifier
byte _sl_minor_version; ///< the minor savegame version, DO NOT USE!
char _savegame_format[8]; ///< how to compress savegames
bool _do_autosave; ///< are we doing an autosave at the moment?
uint32 _ttdp_version; ///< version of TTDP savegame (if applicable)
SaveLoadVersion _sl_version; ///< the major savegame version identifier
byte _sl_minor_version; ///< the minor savegame version, DO NOT USE!
char _savegame_format[8]; ///< how to compress savegames
bool _do_autosave; ///< are we doing an autosave at the moment?
/** What are we currently doing? */
enum SaveLoadAction {
@@ -1915,7 +1915,7 @@ struct LZOLoadFilter : LoadFilter {
/* Check if size is bad */
((uint32*)out)[0] = size = tmp[1];
if (_sl_version != 0) {
if (_sl_version != SL_MIN_VERSION) {
tmp[0] = TO_BE32(tmp[0]);
size = TO_BE32(size);
}
@@ -2562,7 +2562,7 @@ static SaveOrLoadResult DoLoad(LoadFilter *reader, bool load_check)
if (fmt == endof(_saveload_formats)) {
DEBUG(sl, 0, "Unknown savegame type, trying to load it as the buggy format");
_sl.lf->Reset();
_sl_version = 0;
_sl_version = SL_MIN_VERSION;
_sl_minor_version = 0;
/* Try to find the LZO savegame format; it uses 'OTTD' as tag. */
@@ -2580,7 +2580,7 @@ static SaveOrLoadResult DoLoad(LoadFilter *reader, bool load_check)
if (fmt->tag == hdr[0]) {
/* check version number */
_sl_version = TO_BE32(hdr[1]) >> 16;
_sl_version = (SaveLoadVersion)(TO_BE32(hdr[1]) >> 16);
/* Minor is not used anymore from version 18.0, but it is still needed
* in versions before that (4 cases) which can't be removed easy.
* Therefore it is loaded, but never saved (or, it saves a 0 in any scenario). */
@@ -2721,7 +2721,7 @@ SaveOrLoadResult SaveOrLoad(const char *filename, SaveLoadOperation fop, Detaile
ClearGRFConfigList(&_grfconfig);
GamelogReset();
if (!LoadOldSaveGame(filename)) return SL_REINIT;
_sl_version = 0;
_sl_version = SL_MIN_VERSION;
_sl_minor_version = 0;
GamelogStartAction(GLAT_LOAD);
if (!AfterLoadGame()) {