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Location: cpp/openttd-patchpack/source/src/saveload/gamelog_sl.cpp
r15321:b66ded98380f
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(svn r19972) -Change: Use the md5sum from the previous save of the game for BaNaNaS instead of the initial (when the grf was added) md5sum from the gamelog. Neither method is 'better', but this way it is independent from the gamelog.
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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 gamelog_sl.cpp Code handling saving and loading of gamelog data */
#include "../stdafx.h"
#include "../gamelog_internal.h"
#include "../core/alloc_func.hpp"
#include "saveload.h"
static const SaveLoad _glog_action_desc[] = {
SLE_VAR(LoggedAction, tick, SLE_UINT16),
SLE_END()
};
static const SaveLoad _glog_mode_desc[] = {
SLE_VAR(LoggedChange, mode.mode, SLE_UINT8),
SLE_VAR(LoggedChange, mode.landscape, SLE_UINT8),
SLE_END()
};
static const SaveLoad _glog_revision_desc[] = {
SLE_ARR(LoggedChange, revision.text, SLE_UINT8, NETWORK_REVISION_LENGTH),
SLE_VAR(LoggedChange, revision.newgrf, SLE_UINT32),
SLE_VAR(LoggedChange, revision.slver, SLE_UINT16),
SLE_VAR(LoggedChange, revision.modified, SLE_UINT8),
SLE_END()
};
static const SaveLoad _glog_oldver_desc[] = {
SLE_VAR(LoggedChange, oldver.type, SLE_UINT32),
SLE_VAR(LoggedChange, oldver.version, SLE_UINT32),
SLE_END()
};
static const SaveLoad _glog_setting_desc[] = {
SLE_STR(LoggedChange, setting.name, SLE_STR, 128),
SLE_VAR(LoggedChange, setting.oldval, SLE_INT32),
SLE_VAR(LoggedChange, setting.newval, SLE_INT32),
SLE_END()
};
static const SaveLoad _glog_grfadd_desc[] = {
SLE_VAR(LoggedChange, grfadd.grfid, SLE_UINT32 ),
SLE_ARR(LoggedChange, grfadd.md5sum, SLE_UINT8, 16),
SLE_END()
};
static const SaveLoad _glog_grfrem_desc[] = {
SLE_VAR(LoggedChange, grfrem.grfid, SLE_UINT32),
SLE_END()
};
static const SaveLoad _glog_grfcompat_desc[] = {
SLE_VAR(LoggedChange, grfcompat.grfid, SLE_UINT32 ),
SLE_ARR(LoggedChange, grfcompat.md5sum, SLE_UINT8, 16),
SLE_END()
};
static const SaveLoad _glog_grfparam_desc[] = {
SLE_VAR(LoggedChange, grfparam.grfid, SLE_UINT32),
SLE_END()
};
static const SaveLoad _glog_grfmove_desc[] = {
SLE_VAR(LoggedChange, grfmove.grfid, SLE_UINT32),
SLE_VAR(LoggedChange, grfmove.offset, SLE_INT32),
SLE_END()
};
static const SaveLoad _glog_grfbug_desc[] = {
SLE_VAR(LoggedChange, grfbug.data, SLE_UINT64),
SLE_VAR(LoggedChange, grfbug.grfid, SLE_UINT32),
SLE_VAR(LoggedChange, grfbug.bug, SLE_UINT8),
SLE_END()
};
static const SaveLoad _glog_emergency_desc[] = {
SLE_END()
};
static const SaveLoad * const _glog_desc[] = {
_glog_mode_desc,
_glog_revision_desc,
_glog_oldver_desc,
_glog_setting_desc,
_glog_grfadd_desc,
_glog_grfrem_desc,
_glog_grfcompat_desc,
_glog_grfparam_desc,
_glog_grfmove_desc,
_glog_grfbug_desc,
_glog_emergency_desc,
};
assert_compile(lengthof(_glog_desc) == GLCT_END);
static void Load_GLOG()
{
assert(_gamelog_action == NULL);
assert(_gamelog_actions == 0);
GamelogActionType at;
while ((at = (GamelogActionType)SlReadByte()) != GLAT_NONE) {
_gamelog_action = ReallocT(_gamelog_action, _gamelog_actions + 1);
LoggedAction *la = &_gamelog_action[_gamelog_actions++];
la->at = at;
SlObject(la, _glog_action_desc); // has to be saved after 'DATE'!
la->change = NULL;
la->changes = 0;
GamelogChangeType ct;
while ((ct = (GamelogChangeType)SlReadByte()) != GLCT_NONE) {
la->change = ReallocT(la->change, la->changes + 1);
LoggedChange *lc = &la->change[la->changes++];
/* for SLE_STR, pointer has to be valid! so make it NULL */
memset(lc, 0, sizeof(*lc));
lc->ct = ct;
assert((uint)ct < GLCT_END);
SlObject(lc, _glog_desc[ct]);
}
}
}
static void Save_GLOG()
{
const LoggedAction *laend = &_gamelog_action[_gamelog_actions];
size_t length = 0;
for (const LoggedAction *la = _gamelog_action; la != laend; la++) {
const LoggedChange *lcend = &la->change[la->changes];
for (LoggedChange *lc = la->change; lc != lcend; lc++) {
assert((uint)lc->ct < lengthof(_glog_desc));
length += SlCalcObjLength(lc, _glog_desc[lc->ct]) + 1;
}
length += 4;
}
length++;
SlSetLength(length);
for (LoggedAction *la = _gamelog_action; la != laend; la++) {
SlWriteByte(la->at);
SlObject(la, _glog_action_desc);
const LoggedChange *lcend = &la->change[la->changes];
for (LoggedChange *lc = la->change; lc != lcend; lc++) {
SlWriteByte(lc->ct);
assert((uint)lc->ct < GLCT_END);
SlObject(lc, _glog_desc[lc->ct]);
}
SlWriteByte(GLCT_NONE);
}
SlWriteByte(GLAT_NONE);
}
extern const ChunkHandler _gamelog_chunk_handlers[] = {
{ 'GLOG', Save_GLOG, Load_GLOG, NULL, CH_RIFF | CH_LAST }
};
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