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(svn r3659) Add function to get the road bits of a level crossing

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tron 2006-02-23 11:53:48 +00:00
parent df156dacb2
commit c3c0afb902
2 changed files with 8 additions and 3 deletions
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5
road.h
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@ -20,6 +20,11 @@ static inline RoadBits GetRoadBits(TileIndex tile)
return GB(_m[tile].m5, 0, 4);
}
static inline RoadBits GetCrossingRoadBits(TileIndex tile)
{
return _m[tile].m5 & 8 ? ROAD_Y : ROAD_X;
}
typedef enum RoadType {
ROAD_NORMAL,
ROAD_CROSSING,

6
road_cmd.c
View File

@ -34,7 +34,7 @@ static bool HasTileRoadAt(TileIndex tile, int i)
case MP_STREET:
switch (GetRoadType(tile)) {
case ROAD_NORMAL: b = GetRoadBits(tile); break;
case ROAD_CROSSING: b = (_m[tile].m5 & 8 ? ROAD_Y : ROAD_X); break;
case ROAD_CROSSING: b = GetCrossingRoadBits(tile); break;
case ROAD_DEPOT: return (~_m[tile].m5 & 3) == i;
default: return false;
}
@ -709,7 +709,7 @@ static int32 ClearTile_Road(TileIndex tile, byte flags)
if (flags & DC_AUTO) return_cmd_error(STR_1801_MUST_REMOVE_ROAD_FIRST);
ret = DoCommandByTile(tile, (_m[tile].m5 & 8 ? ROAD_Y : ROAD_X), 0, flags, CMD_REMOVE_ROAD);
ret = DoCommandByTile(tile, GetCrossingRoadBits(tile), 0, flags, CMD_REMOVE_ROAD);
if (CmdFailed(ret)) return CMD_ERROR;
if (flags & DC_EXEC) {
@ -1212,10 +1212,10 @@ static void ChangeTileOwner_Road(TileIndex tile, PlayerID old_player, PlayerID n
break;
case ROAD_CROSSING:
_m[tile].m5 = (_m[tile].m5&8) ? 0x5 : 0xA;
SetTileOwner(tile, _m[tile].m3);
_m[tile].m3 = 0;
_m[tile].m4 &= 0x80;
_m[tile].m5 = GetCrossingRoadBits(tile);
break;
default: