author | rubidium |
Sun, 18 Mar 2007 18:06:45 +0000 | |
branch | noai |
changeset 9453 | 727ff178a582 |
child 9462 | a4f49aab1367 |
permissions | -rw-r--r-- |
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/* $Id$ */ |
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/** @file ai_map.hpp Everything to query and build roads */ |
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#ifndef AI_ROAD_HPP |
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#define AI_ROAD_HPP |
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#include "ai_object.hpp" |
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/** |
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* Class that handles all road related functions. |
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* |
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* Roads are always build from tile center to tile center. |
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* Furthermore stations and depots need to be build on tiles |
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* that already have road on them. For depots and non-drive |
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* through stations that means that only one roadbit may be |
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* built at the location. The advantage of this method is |
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* that the AI does not need to think about pointing the |
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* exit of the depots and roadstations towards the correct |
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* direction. For drive-through roadstops this works about |
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* the same, though they have to be built on straight roads. |
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*/ |
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class AIRoad : public AIObject { |
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public: |
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/** |
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* Checks whether the given tile is actually a tile with road. |
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* @param tile the tile to check. |
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* @pre tile is always positive and smaller than AIMap::GetMapSize(). |
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* @return true if and only if the tile has road. |
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*/ |
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bool IsRoadTile(TileIndex tile); |
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/** |
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* Builds a road from the center of tile start to the |
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* center of tile end. |
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* @param start the start tile of the road. |
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* @param end the end tile of the road. |
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* @pre start is not equal to end |
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* @pre start is always positive and smaller than AIMap::GetMapSize(). |
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* @pre end is always positive and smaller than AIMap::GetMapSize(). |
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* @pre start and end are in a straight line, i.e. |
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* AIMap::GetTileX(start) == AIMap::GetTileX(end) or |
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* AIMap::GetTileY(start) == AIMap::GetTileY(end). |
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* @return whether the road has been/can be build or not. |
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*/ |
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bool BuildRoad(TileIndex start, TileIndex end); |
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/** |
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* Builds a road depot. |
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* @param tile place to build the depot. |
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* @param front the tile exactly in front of the depot |
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* @pre tile is always positive and smaller than AIMap::GetMapSize(). |
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* @pre front is always positive and smaller than AIMap::GetMapSize(). |
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* @pre tile is not equal to front |
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* @return whether the road depot has been/can be build or not. |
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*/ |
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bool BuildRoadDepot(TileIndex tile, TileIndex front); |
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/** |
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* Builds a road bus or truck station. |
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* @param tile place to build the depot. |
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* @param front the tile exactly in front of the station. |
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* For drive-through stations either entrance side can be used. |
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* @param bus whether to build a bus or truck station. |
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* @param drive_through whether to make the station drive through or not. |
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* @pre tile is always positive and smaller than AIMap::GetMapSize(). |
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* @pre front is always positive and smaller than AIMap::GetMapSize(). |
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* @pre tile is not equal to front |
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* @return whether the station has been/can be build or not. |
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*/ |
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bool BuildRoadStation(TileIndex tile, TileIndex front, bool bus, bool drive_through); |
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/** |
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* Removes a road from the center of tile start to the |
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* center of tile end. |
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* @param start the start tile of the road. |
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* @param end the end tile of the road. |
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* @pre start is always positive and smaller than AIMap::GetMapSize(). |
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* @pre end is always positive and smaller than AIMap::GetMapSize(). |
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* @pre start and end are in a straight line, i.e. |
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* AIMap::GetTileX(start) == AIMap::GetTileX(end) or |
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* AIMap::GetTileY(start) == AIMap::GetTileY(end). |
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* @return whether the road has been/can be removed or not. |
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*/ |
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bool RemoveRoad(TileIndex start, TileIndex end); |
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/** |
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* Removes a road depot. |
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* @param tile place to remove the depot from. |
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* @pre tile is always positive and smaller than AIMap::GetMapSize(). |
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* @pre tile is a road depot. |
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* @return whether the road depot has been/can be removed or not. |
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*/ |
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bool RemoveRoadDepot(TileIndex tile); |
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/** |
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* Removes a road bus or truck station. |
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* @param tile place to remove the station from. |
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* @pre tile is always positive and smaller than AIMap::GetMapSize(). |
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* @pre tile is a road station. |
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* @return whether the station has been/can be removed or not. |
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*/ |
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bool RemoveRoadStation(TileIndex tile); |
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}; |
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#ifdef DEFINE_SQUIRREL_CLASS |
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void SQAIRoadRegister(Squirrel *engine) { |
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DefSQClass <AIRoad> SQAIRoad("AIRoad"); |
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SQAIRoad.PreRegister(engine); |
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SQAIRoad.AddConstructor(engine); |
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SQAIRoad.DefSQFunction(engine, &AIRoad::BuildRoad, "BuildRoad"); |
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SQAIRoad.DefSQFunction(engine, &AIRoad::BuildRoadDepot, "BuildRoadDepot"); |
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SQAIRoad.DefSQFunction(engine, &AIRoad::BuildRoadStation, "BuildRoadStation"); |
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SQAIRoad.DefSQFunction(engine, &AIRoad::RemoveRoad, "RemoveRoad"); |
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SQAIRoad.DefSQFunction(engine, &AIRoad::RemoveRoadDepot, "RemoveRoadDepot"); |
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SQAIRoad.DefSQFunction(engine, &AIRoad::RemoveRoadStation, "RemoveRoadStation"); |
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SQAIRoad.PostRegister(engine); |
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} |
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#endif /* SQUIRREL_CLASS */ |
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|
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#endif /* AI_ROAD_HPP */ |