00001
00002
00003
00004
00005
00006
00007
00008
00009
00012 #include "ai_marine.hpp"
00013 #include "ai_station.hpp"
00014 #include "../../station_base.h"
00015 #include "../../tile_cmd.h"
00016 #include "../../economy_func.h"
00017
00018
00019 bool AIMarine::IsWaterDepotTile(TileIndex tile)
00020 {
00021 if (!::IsValidTile(tile)) return false;
00022
00023 return ::IsTileType(tile, MP_WATER) && ::GetWaterTileType(tile) == WATER_TILE_DEPOT;
00024 }
00025
00026 bool AIMarine::IsDockTile(TileIndex tile)
00027 {
00028 if (!::IsValidTile(tile)) return false;
00029
00030 return ::IsTileType(tile, MP_STATION) && ::IsDock(tile);
00031 }
00032
00033 bool AIMarine::IsBuoyTile(TileIndex tile)
00034 {
00035 if (!::IsValidTile(tile)) return false;
00036
00037 return ::IsTileType(tile, MP_STATION) && ::IsBuoy(tile);
00038 }
00039
00040 bool AIMarine::IsLockTile(TileIndex tile)
00041 {
00042 if (!::IsValidTile(tile)) return false;
00043
00044 return ::IsTileType(tile, MP_WATER) && ::GetWaterTileType(tile) == WATER_TILE_LOCK;
00045 }
00046
00047 bool AIMarine::IsCanalTile(TileIndex tile)
00048 {
00049 if (!::IsValidTile(tile)) return false;
00050
00051 return ::IsTileType(tile, MP_WATER) && ::IsCanal(tile);
00052 }
00053
00054 bool AIMarine::AreWaterTilesConnected(TileIndex t1, TileIndex t2)
00055 {
00056 if (!::IsValidTile(t1)) return false;
00057 if (!::IsValidTile(t2)) return false;
00058
00059
00060 if (::DistanceManhattan(t1, t2) != 1) return false;
00061
00062 DiagDirection to_other_tile = ::DiagdirBetweenTiles(t1, t2);
00063
00064
00065 TrackBits gtts1 = ::TrackStatusToTrackBits(::GetTileTrackStatus(t1, TRANSPORT_WATER, 0, to_other_tile)) & ::DiagdirReachesTracks(to_other_tile);
00066 if (gtts1 == TRACK_BIT_NONE) return false;
00067
00068 to_other_tile = ReverseDiagDir(to_other_tile);
00069 TrackBits gtts2 = ::TrackStatusToTrackBits(::GetTileTrackStatus(t2, TRANSPORT_WATER, 0, to_other_tile)) & ::DiagdirReachesTracks(to_other_tile);
00070
00071 return gtts2 != TRACK_BIT_NONE;
00072 }
00073
00074 bool AIMarine::BuildWaterDepot(TileIndex tile, TileIndex front)
00075 {
00076 EnforcePrecondition(false, ::IsValidTile(tile));
00077 EnforcePrecondition(false, ::IsValidTile(front));
00078 EnforcePrecondition(false, (::TileX(front) == ::TileX(tile)) != (::TileY(front) == ::TileY(tile)));
00079
00080 return AIObject::DoCommand(tile, ::TileY(front) == ::TileY(tile), 0, CMD_BUILD_SHIP_DEPOT);
00081 }
00082
00083 bool AIMarine::BuildDock(TileIndex tile, StationID station_id)
00084 {
00085 EnforcePrecondition(false, ::IsValidTile(tile));
00086 EnforcePrecondition(false, station_id == AIStation::STATION_NEW || station_id == AIStation::STATION_JOIN_ADJACENT || AIStation::IsValidStation(station_id));
00087
00088 uint p1 = station_id == AIStation::STATION_JOIN_ADJACENT ? 0 : 1;
00089 uint p2 = (AIStation::IsValidStation(station_id) ? station_id : INVALID_STATION) << 16;
00090 return AIObject::DoCommand(tile, p1, p2, CMD_BUILD_DOCK);
00091 }
00092
00093 bool AIMarine::BuildBuoy(TileIndex tile)
00094 {
00095 EnforcePrecondition(false, ::IsValidTile(tile));
00096
00097 return AIObject::DoCommand(tile, 0, 0, CMD_BUILD_BUOY);
00098 }
00099
00100 bool AIMarine::BuildLock(TileIndex tile)
00101 {
00102 EnforcePrecondition(false, ::IsValidTile(tile));
00103
00104 return AIObject::DoCommand(tile, 0, 0, CMD_BUILD_LOCK);
00105 }
00106
00107 bool AIMarine::BuildCanal(TileIndex tile)
00108 {
00109 EnforcePrecondition(false, ::IsValidTile(tile));
00110
00111 return AIObject::DoCommand(tile, tile, 0, CMD_BUILD_CANAL);
00112 }
00113
00114 bool AIMarine::RemoveWaterDepot(TileIndex tile)
00115 {
00116 EnforcePrecondition(false, ::IsValidTile(tile));
00117 EnforcePrecondition(false, IsWaterDepotTile(tile));
00118
00119 return AIObject::DoCommand(tile, 0, 0, CMD_LANDSCAPE_CLEAR);
00120 }
00121
00122 bool AIMarine::RemoveDock(TileIndex tile)
00123 {
00124 EnforcePrecondition(false, ::IsValidTile(tile));
00125 EnforcePrecondition(false, IsDockTile(tile));
00126
00127 return AIObject::DoCommand(tile, 0, 0, CMD_LANDSCAPE_CLEAR);
00128 }
00129
00130 bool AIMarine::RemoveBuoy(TileIndex tile)
00131 {
00132 EnforcePrecondition(false, ::IsValidTile(tile));
00133 EnforcePrecondition(false, IsBuoyTile(tile));
00134
00135 return AIObject::DoCommand(tile, 0, 0, CMD_LANDSCAPE_CLEAR);
00136 }
00137
00138 bool AIMarine::RemoveLock(TileIndex tile)
00139 {
00140 EnforcePrecondition(false, ::IsValidTile(tile));
00141 EnforcePrecondition(false, IsLockTile(tile));
00142
00143 return AIObject::DoCommand(tile, 0, 0, CMD_LANDSCAPE_CLEAR);
00144 }
00145
00146 bool AIMarine::RemoveCanal(TileIndex tile)
00147 {
00148 EnforcePrecondition(false, ::IsValidTile(tile));
00149 EnforcePrecondition(false, IsCanalTile(tile));
00150
00151 return AIObject::DoCommand(tile, 0, 0, CMD_LANDSCAPE_CLEAR);
00152 }
00153
00154 Money AIMarine::GetBuildCost(BuildType build_type)
00155 {
00156 switch (build_type) {
00157 case BT_DOCK: return ::GetPrice(PR_BUILD_STATION_DOCK, 1, NULL);
00158 case BT_DEPOT: return ::GetPrice(PR_BUILD_DEPOT_SHIP, 1, NULL);
00159 case BT_BUOY: return ::GetPrice(PR_BUILD_WAYPOINT_BUOY, 1, NULL);
00160 default: return -1;
00161 }
00162 }