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