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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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11
src/rail_map.h
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@@ -116,7 +116,7 @@ static inline bool IsRailDepotTile(TileIndex t)
*/
static inline RailType GetRailType(TileIndex t)
{
return (RailType)GB(_m[t].m3, 0, 4);
return (RailType)((GB(_m[t].m1, 7, 1) << 4) | GB(_m[t].m3, 0, 4));
}
/**
@@ -126,7 +126,8 @@ static inline RailType GetRailType(TileIndex t)
*/
static inline void SetRailType(TileIndex t, RailType r)
{
SB(_m[t].m3, 0, 4, r);
SB(_m[t].m1, 7, 1, GB(r, 4, 1));
SB(_m[t].m3, 0, 4, GB(r, 0, 4));
}
@@ -554,7 +555,8 @@ static inline void MakeRailNormal(TileIndex t, Owner o, TrackBits b, RailType r)
SetTileType(t, MP_RAILWAY);
SetTileOwner(t, o);
_m[t].m2 = 0;
_m[t].m3 = r;
_m[t].m3 = 0;
SetRailType(t, r);
_m[t].m4 = 0;
_m[t].m5 = RAIL_TILE_NORMAL << 6 | b;
SB(_me[t].m6, 2, 4, 0);
@@ -567,7 +569,8 @@ static inline void MakeRailDepot(TileIndex t, Owner o, DepotID did, DiagDirectio
SetTileType(t, MP_RAILWAY);
SetTileOwner(t, o);
_m[t].m2 = did;
_m[t].m3 = r;
_m[t].m3 = 0;
SetRailType(t, r);
_m[t].m4 = 0;
_m[t].m5 = RAIL_TILE_DEPOT << 6 | d;
SB(_me[t].m6, 2, 4, 0);