1 files changed, 0 insertions, 134 deletions
diff --git a/src/ai/api/ai_tunnel.cpp b/src/ai/api/ai_tunnel.cpp
deleted file mode 100644
index 310a751af..000000000
--- a/src/ai/api/ai_tunnel.cpp
+++ /dev/null
@@ -1,134 +0,0 @@
-/* $Id$ */
-
-/*
- * 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/>.
- */
-
-/** @file ai_tunnel.cpp Implementation of AITunnel. */
-
-#include "../../stdafx.h"
-#include "ai_tunnel.hpp"
-#include "ai_rail.hpp"
-#include "../ai_instance.hpp"
-#include "../../tunnel_map.h"
-#include "../../command_func.h"
-
-/* static */ bool AITunnel::IsTunnelTile(TileIndex tile)
-{
-	if (!::IsValidTile(tile)) return false;
-	return ::IsTunnelTile(tile);
-}
-
-/* static */ TileIndex AITunnel::GetOtherTunnelEnd(TileIndex tile)
-{
-	if (!::IsValidTile(tile)) return INVALID_TILE;
-
-	/* If it's a tunnel already, take the easy way out! */
-	if (IsTunnelTile(tile)) return ::GetOtherTunnelEnd(tile);
-
-	int start_z;
-	Slope start_tileh = ::GetTileSlope(tile, &start_z);
-	DiagDirection direction = ::GetInclinedSlopeDirection(start_tileh);
-	if (direction == INVALID_DIAGDIR) return INVALID_TILE;
-
-	TileIndexDiff delta = ::TileOffsByDiagDir(direction);
-	int end_z;
-	do {
-		tile += delta;
-		if (!::IsValidTile(tile)) return INVALID_TILE;
-
-		::GetTileSlope(tile, &end_z);
-	} while (start_z != end_z);
-
-	return tile;
-}
-
-/**
- * Helper function to connect a just built tunnel to nearby roads.
- * @param instance The AI we have to built the road for.
- */
-static void _DoCommandReturnBuildTunnel2(class AIInstance *instance)
-{
-	if (!AITunnel::_BuildTunnelRoad2()) {
-		AIInstance::DoCommandReturn(instance);
-		return;
-	}
-
-	/* This can never happen, as in test-mode this callback is never executed,
-	 *  and in execute-mode, the other callback is called. */
-	NOT_REACHED();
-}
-
-/**
- * Helper function to connect a just built tunnel to nearby roads.
- * @param instance The AI we have to built the road for.
- */
-static void _DoCommandReturnBuildTunnel1(class AIInstance *instance)
-{
-	if (!AITunnel::_BuildTunnelRoad1()) {
-		AIInstance::DoCommandReturn(instance);
-		return;
-	}
-
-	/* This can never happen, as in test-mode this callback is never executed,
-	 *  and in execute-mode, the other callback is called. */
-	NOT_REACHED();
-}
-
-/* static */ bool AITunnel::BuildTunnel(AIVehicle::VehicleType vehicle_type, TileIndex start)
-{
-	EnforcePrecondition(false, ::IsValidTile(start));
-	EnforcePrecondition(false, vehicle_type == AIVehicle::VT_RAIL || vehicle_type == AIVehicle::VT_ROAD);
-	EnforcePrecondition(false, vehicle_type != AIVehicle::VT_RAIL || AIRail::IsRailTypeAvailable(AIRail::GetCurrentRailType()));
-
-	uint type = 0;
-	if (vehicle_type == AIVehicle::VT_ROAD) {
-		type |= (TRANSPORT_ROAD << 8);
-		type |= ::RoadTypeToRoadTypes((::RoadType)AIObject::GetRoadType());
-	} else {
-		type |= (TRANSPORT_RAIL << 8);
-		type |= AIRail::GetCurrentRailType();
-	}
-
-	/* For rail we do nothing special */
-	if (vehicle_type == AIVehicle::VT_RAIL) {
-		return AIObject::DoCommand(start, type, 0, CMD_BUILD_TUNNEL);
-	}
-
-	AIObject::SetCallbackVariable(0, start);
-	return AIObject::DoCommand(start, type, 0, CMD_BUILD_TUNNEL, NULL, &::_DoCommandReturnBuildTunnel1);
-}
-
-/* static */ bool AITunnel::_BuildTunnelRoad1()
-{
-	/* Build the piece of road on the 'start' side of the tunnel */
-	TileIndex end = AIObject::GetCallbackVariable(0);
-	TileIndex start = AITunnel::GetOtherTunnelEnd(end);
-
-	DiagDirection dir_1 = ::DiagdirBetweenTiles(end, start);
-	DiagDirection dir_2 = ::ReverseDiagDir(dir_1);
-
-	return AIObject::DoCommand(start + ::TileOffsByDiagDir(dir_1), ::DiagDirToRoadBits(dir_2) | (AIObject::GetRoadType() << 4), 0, CMD_BUILD_ROAD, NULL, &::_DoCommandReturnBuildTunnel2);
-}
-
-/* static */ bool AITunnel::_BuildTunnelRoad2()
-{
-	/* Build the piece of road on the 'end' side of the tunnel */
-	TileIndex end = AIObject::GetCallbackVariable(0);
-	TileIndex start = AITunnel::GetOtherTunnelEnd(end);
-
-	DiagDirection dir_1 = ::DiagdirBetweenTiles(end, start);
-	DiagDirection dir_2 = ::ReverseDiagDir(dir_1);
-
-	return AIObject::DoCommand(end + ::TileOffsByDiagDir(dir_2), ::DiagDirToRoadBits(dir_1) | (AIObject::GetRoadType() << 4), 0, CMD_BUILD_ROAD);
-}
-
-/* static */ bool AITunnel::RemoveTunnel(TileIndex tile)
-{
-	EnforcePrecondition(false, IsTunnelTile(tile));
-
-	return AIObject::DoCommand(tile, 0, 0, CMD_LANDSCAPE_CLEAR);
-}