cpp/openttd-patchpack/source Changeset - r7371:d19698ba3220

Changeset - r7371:d19698ba3220

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peter1138 - 17 years ago 2007-07-30 08:49:41
peter1138@openttd.org

(svn r10734) -Fix [FS#1030]: Revert r10513) and add special cases for collision detection on bridges/tunnels.

3 files changed with 15 insertions and 9 deletions:

src/rail_cmd.cpp

src/train_cmd.cpp

src/vehicle.cpp

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src/rail_cmd.cpp

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@@ @@ -1669,13 +1669,10 @@ static bool SignalVehicleCheck(TileIndex @@
 		/* check for a vehicle with that trackdir on the end tile of the tunnel */
 		if (VehicleFromPos(end, &dest, SignalVehicleCheckProc) != NULL) return true;
 		/* now check all tiles from start to end for a warping vehicle
 		 * NOTE: the hashes for tiles may overlap, so this could maybe be optimised a bit by not checking every tile? */
 		/* now check all tiles from start to end for a warping vehicle */
 		dest.track = 0x40;   //Vehicle inside a tunnel or on a bridge
 		for (; tile != end; tile += TileOffsByDiagDir(direction)) {
 			if (VehicleFromPos(tile, &dest, SignalVehicleCheckProc) != NULL)
 				return true;
+		}
 		if (VehicleFromPos(tile, &dest, SignalVehicleCheckProc) != NULL) return true;
 		if (VehicleFromPos(end, &dest, SignalVehicleCheckProc) != NULL) return true;
 		/* no vehicle found */
 		return false;

src/train_cmd.cpp

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@@ @@ -2760,7 +2760,16 @@ static void CheckTrainCollision(Vehicle @@
 	tcc.num = 0;
 	/* find colliding vehicles */
 	VehicleFromPosXY(v->x_pos, v->y_pos, &tcc, FindTrainCollideEnum);
 	if (v->u.rail.track == TRACK_BIT_WORMHOLE) {
 		VehicleFromPos(v->tile, &tcc, FindTrainCollideEnum);
 		if (IsBridgeTile(v->tile)) {
 			VehicleFromPos(GetOtherBridgeEnd(v->tile), &tcc, FindTrainCollideEnum);
 		} else {
 			VehicleFromPos(GetOtherTunnelEnd(v->tile), &tcc, FindTrainCollideEnum);
+		}
 	} else {
 		VehicleFromPosXY(v->x_pos, v->y_pos, &tcc, FindTrainCollideEnum);
+	}
 	/* any dead -> no crash */
 	if (tcc.num == 0) return;

src/vehicle.cpp

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@@ @@ -471,8 +471,8 @@ static void UpdateNewVehiclePosHash(Vehi @@
 	if (remove) {
 		new_hash = NULL;
 	} else {
 		int x = GB(v->x_pos / TILE_SIZE, HASH_RES, HASH_BITS);
 		int y = GB(v->y_pos / TILE_SIZE, HASH_RES, HASH_BITS) << HASH_BITS;
 		int x = GB(TileX(v->tile), HASH_RES, HASH_BITS);
 		int y = GB(TileY(v->tile), HASH_RES, HASH_BITS) << HASH_BITS;
 		new_hash = &_new_vehicle_position_hash[(x + y) & TOTAL_HASH_MASK];
+	}

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