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diff src/signal.cpp @ 10083:4923bdc50041 draft

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(svn r14258) -Codechange: rework the way to query the vehicle hash to make sure it always results in the same irregardless of the order of the hash-linked-list. -Fix: desync in PBS reservation following, vehicle flooding and road vehicle overtake/follow code.
author rubidium <rubidium@openttd.org>
date Sun, 07 Sep 2008 11:23:10 +0000
parents 14edde00b131
children c54d140df948
line wrap: on
line diff
--- a/src/signal.cpp
+++ b/src/signal.cpp
@@ -285,13 +285,13 @@
 
 				if (IsRailDepot(tile)) {
 					if (enterdir == INVALID_DIAGDIR) { // from 'inside' - train just entered or left the depot
-						if (!(flags & SF_TRAIN) && VehicleFromPos(tile, NULL, &TrainOnTileEnum) != NULL) flags |= SF_TRAIN;
+						if (!(flags & SF_TRAIN) && HasVehicleOnPos(tile, NULL, &TrainOnTileEnum)) flags |= SF_TRAIN;
 						exitdir = GetRailDepotDirection(tile);
 						tile += TileOffsByDiagDir(exitdir);
 						enterdir = ReverseDiagDir(exitdir);
 						break;
 					} else if (enterdir == GetRailDepotDirection(tile)) { // entered a depot
-						if (!(flags & SF_TRAIN) && VehicleFromPos(tile, NULL, &TrainOnTileEnum) != NULL) flags |= SF_TRAIN;
+						if (!(flags & SF_TRAIN) && HasVehicleOnPos(tile, NULL, &TrainOnTileEnum)) flags |= SF_TRAIN;
 						continue;
 					} else {
 						continue;
@@ -300,7 +300,7 @@
 
 				if (GetRailTileType(tile) == RAIL_TILE_WAYPOINT) {
 					if (GetWaypointAxis(tile) != DiagDirToAxis(enterdir)) continue;
-					if (!(flags & SF_TRAIN) && VehicleFromPos(tile, NULL, &TrainOnTileEnum) != NULL) flags |= SF_TRAIN;
+					if (!(flags & SF_TRAIN) && HasVehicleOnPos(tile, NULL, &TrainOnTileEnum)) flags |= SF_TRAIN;
 					tile += TileOffsByDiagDir(exitdir);
 					/* enterdir and exitdir stay the same */
 					break;
@@ -311,10 +311,10 @@
 
 				if (tracks == TRACK_BIT_HORZ || tracks == TRACK_BIT_VERT) { // there is exactly one incidating track, no need to check
 					tracks = tracks_masked;
-					if (!(flags & SF_TRAIN) && VehicleFromPos(tile, &tracks, &EnsureNoTrainOnTrackProc) != NULL) flags |= SF_TRAIN;
+					if (!(flags & SF_TRAIN) && HasVehicleOnPos(tile, &tracks, &EnsureNoTrainOnTrackProc)) flags |= SF_TRAIN;
 				} else {
 					if (tracks_masked == TRACK_BIT_NONE) continue; // no incidating track
-					if (!(flags & SF_TRAIN) && VehicleFromPos(tile, NULL, &TrainOnTileEnum) != NULL) flags |= SF_TRAIN;
+					if (!(flags & SF_TRAIN) && HasVehicleOnPos(tile, NULL, &TrainOnTileEnum)) flags |= SF_TRAIN;
 				}
 
 				if (HasSignals(tile)) { // there is exactly one track - not zero, because there is exit from this tile
@@ -366,7 +366,7 @@
 				if (DiagDirToAxis(enterdir) != GetRailStationAxis(tile)) continue; // different axis
 				if (IsStationTileBlocked(tile)) continue; // 'eye-candy' station tile
 
-				if (!(flags & SF_TRAIN) && VehicleFromPos(tile, NULL, &TrainOnTileEnum) != NULL) flags |= SF_TRAIN;
+				if (!(flags & SF_TRAIN) && HasVehicleOnPos(tile, NULL, &TrainOnTileEnum)) flags |= SF_TRAIN;
 				tile += TileOffsByDiagDir(exitdir);
 				break;
 
@@ -375,7 +375,7 @@
 				if (GetTileOwner(tile) != owner) continue;
 				if (DiagDirToAxis(enterdir) == GetCrossingRoadAxis(tile)) continue; // different axis
 
-				if (!(flags & SF_TRAIN) && VehicleFromPos(tile, NULL, &TrainOnTileEnum) != NULL) flags |= SF_TRAIN;
+				if (!(flags & SF_TRAIN) && HasVehicleOnPos(tile, NULL, &TrainOnTileEnum)) flags |= SF_TRAIN;
 				tile += TileOffsByDiagDir(exitdir);
 				break;
 
@@ -385,13 +385,13 @@
 				DiagDirection dir = GetTunnelBridgeDirection(tile);
 
 				if (enterdir == INVALID_DIAGDIR) { // incoming from the wormhole
-					if (!(flags & SF_TRAIN) && VehicleFromPos(tile, NULL, &TrainOnTileEnum) != NULL) flags |= SF_TRAIN;
+					if (!(flags & SF_TRAIN) && HasVehicleOnPos(tile, NULL, &TrainOnTileEnum)) flags |= SF_TRAIN;
 					enterdir = dir;
 					exitdir = ReverseDiagDir(dir);
 					tile += TileOffsByDiagDir(exitdir); // just skip to next tile
 				} else { // NOT incoming from the wormhole!
 					if (ReverseDiagDir(enterdir) != dir) continue;
-					if (!(flags & SF_TRAIN) && VehicleFromPos(tile, NULL, &TrainOnTileEnum) != NULL) flags |= SF_TRAIN;
+					if (!(flags & SF_TRAIN) && HasVehicleOnPos(tile, NULL, &TrainOnTileEnum)) flags |= SF_TRAIN;
 					tile = GetOtherTunnelBridgeEnd(tile); // just skip to exit tile
 					enterdir = INVALID_DIAGDIR;
 					exitdir = INVALID_DIAGDIR;