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Patric Stout

Fix #7656: destroying a tunnel/bridge now first removes the tracks for cost calculation

This means that for rail tunnel/bridges, the rail is first sold,
and the tunnel/bridge is destroyed after. This means destroying
tunnels/ bridges now often makes you money, instead of costing.

Similar, with road/tram tracks. Destroying a road+tram
tunnel/bridge now costs the same amount of money as first
removing the tram tracks and than destroying the road
tunnel/bridge. Especially as tram tracks generate money when
removing, this is a noticeable difference.

/*
 * This file is part of OpenTTD.
 * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
 * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
 */

AILog.Info("1.5 API compatibility in effect.");

/* 1.9 adds a vehicle type parameter. */
AIBridge._GetName <- AIBridge.GetName;
AIBridge.GetName <- function(bridge_id)
{
	return AIBridge._GetName(bridge_id, AIVehicle.VT_RAIL);
}

/* 1.9 adds parent_group_id to CreateGroup function */
AIGroup._CreateGroup <- AIGroup.CreateGroup;
AIGroup.CreateGroup <- function(vehicle_type)
{
	return AIGroup._CreateGroup(vehicle_type, AIGroup.GROUP_INVALID);
}