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Make 32 instead of 16 rail types possible. by using one free bit of m1 in the map array.

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(cherry picked from commit b44843800880cdc186f5183301ee0f42afbb5f84)

Also set non-rail type M3 bits to 0 where applicable.
Change savegame versioning to SLXI format.
This commit is contained in:
keldorkatarn
2016-04-01 21:27:19 +02:00
committed by Jonathan G Rennison
parent 59677d5c6f
commit 5cc56d6ad9
15 changed files with 90 additions and 59 deletions
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6
src/road_map.h
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@@ -579,7 +579,11 @@ static inline void MakeRoadCrossing(TileIndex t, Owner road, Owner tram, Owner r
SetTileType(t, MP_ROAD);
SetTileOwner(t, rail);
_m[t].m2 = town;
_m[t].m3 = rat;
SB(_m[t].m1, 7, 1, GB(rat, 4, 1));
SB(_m[t].m3, 0, 4, GB(rat, 0, 4));
SB(_m[t].m3, 4, 4, 0);
_m[t].m4 = 0;
_m[t].m5 = ROAD_TILE_CROSSING << 6 | roaddir;
SB(_me[t].m6, 2, 4, 0);