cpp/openttd-patchpack/source Changeset - r3070:ae80a3b9525a

Changeset - r3070:ae80a3b9525a

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tron - 18 years ago 2006-02-23 11:53:48
tron@openttd.org

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

2 files changed with 8 insertions and 3 deletions:

road.h

road_cmd.c

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road.h

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@@ @@ -20,6 +20,11 @@ static inline RoadBits GetRoadBits(TileI @@
 	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,

road_cmd.c

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@@ @@ -34,7 +34,7 @@ static bool HasTileRoadAt(TileIndex tile @@
 		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 ti @@
 			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(TileInd @@
 				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:

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