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(svn r14700) -Fix (r1): loading of very old savegames was broken (STNS chunk is stored before MAP in old savegame)

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smatz
2008-12-20 01:35:12 +00:00
parent 6afd6a450f
commit c6c3124c30
3 changed files with 21 additions and 34 deletions
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20
src/openttd.cpp
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@@ -1326,6 +1326,26 @@ bool AfterLoadGame()
if (CheckSavegameVersion(98)) GamelogGRFAddList(_grfconfig);
/* in very old versions, size of train stations was stored differently */
if (CheckSavegameVersion(2)) {
Station *st;
FOR_ALL_STATIONS(st) {
if (st->train_tile != 0 && st->trainst_h == 0) {
extern SavegameType _savegame_type;
uint n = _savegame_type == SGT_OTTD ? 4 : 3; // OTTD uses 4 bits per dimensions, TTD 3 bits
uint w = GB(st->trainst_w, n, n);
uint h = GB(st->trainst_w, 0, n);
if (GetRailStationAxis(st->train_tile) != AXIS_X) Swap(w, h);
st->trainst_w = w;
st->trainst_h = h;
assert(GetStationIndex(st->train_tile + TileDiffXY(w - 1, h - 1)) == st->index);
}
}
}
/* in version 2.1 of the savegame, town owner was unified. */
if (CheckSavegameVersionOldStyle(2, 1)) ConvertTownOwner();