celestar@2254: * 1) All the sprites in a railset MUST be in the same order. This order celestar@2254: * is determined by normal rail. Check sprites 1005 and following for this order
celestar@2254: * 2) The position where the railtype is loaded must always be the same, otherwise richk@6719: * the offset will fail. celestar@2254: * @note: Something more flexible might be desirable in the future. celestar@2254: */ celestar@2254: SpriteID total_offset; celestar@2536: celestar@2536: /** tron@4077: * Bridge offset tron@4077: */ celestar@2536: SpriteID bridge_offset; peter1138@3503: peter1138@3503: /** peter1138@3503: * Offset to add to ground sprite when drawing custom waypoints / stations peter1138@3503: */ peter1138@3503: byte custom_ground_offset; celestar@2233: rubidium@6872: /** rubidium@6872: * Multiplier for curve maximum speed advantage rubidium@6872: */ rubidium@6872: byte curve_speed; richk@10184: richk@10184: /** richk@10184: * Bit mask of rail type flags richk@10184: */ richk@10184: RailTypeFlags flags; hackykid@2008: }; matthijs@1942: matthijs@1967: matthijs@1967: /** celestar@2233: * Returns a pointer to the Railtype information for a given railtype celestar@2233: * @param railtype the rail type which the information is requested for celestar@2233: * @return The pointer to the RailtypeInfo celestar@2233: */ ludde@2236: static inline const RailtypeInfo *GetRailTypeInfo(RailType railtype) celestar@2233: { rubidium@6488: extern RailtypeInfo _railtypes[RAILTYPE_END]; celestar@2233: assert(railtype < RAILTYPE_END); ludde@2236: return &_railtypes[railtype]; celestar@2233: } celestar@2233: celestar@2233: /** matthijs@2006: * Checks if an engine of the given RailType can drive on a tile with a given matthijs@2006: * RailType. This would normally just be an equality check, but for electric matthijs@2006: * rails (which also support non-electric engines). matthijs@2006: * @return Whether the engine can drive on this tile. matthijs@2006: * @param enginetype The RailType of the engine we are considering. matthijs@2006: * @param tiletype The RailType of the tile we are considering. matthijs@2006: */ matthijs@2006: static inline bool IsCompatibleRail(RailType enginetype, RailType tiletype) matthijs@2006: { rubidium@6871: return HasBit(GetRailTypeInfo(enginetype)->compatible_railtypes, tiletype); matthijs@2006: } matthijs@2006: richk@6743: /** richk@6743: * Checks if an engine of the given RailType got power on a tile with a given richk@6743: * RailType. This would normally just be an equality check, but for electric richk@6743: * rails (which also support non-electric engines). richk@6743: * @return Whether the engine got power on this tile. richk@6743: * @param enginetype The RailType of the engine we are considering. richk@6743: * @param tiletype The RailType of the tile we are considering. richk@6743: */ celestar@3355: static inline bool HasPowerOnRail(RailType enginetype, RailType tiletype) celestar@3355: { rubidium@6871: return HasBit(GetRailTypeInfo(enginetype)->powered_railtypes, tiletype); celestar@3355: } celestar@3355: rubidium@6871: rubidium@6871: extern int _railtype_cost_multiplier[RAILTYPE_END]; rubidium@6871: extern const int _default_railtype_cost_multiplier[RAILTYPE_END]; rubidium@6871: rubidium@6871: /** rubidium@6871: * Returns the cost of building the specified railtype. rubidium@6871: * @param railtype The railtype being built. rubidium@6871: * @return The cost multiplier. rubidium@6871: */ rubidium@6871: static inline Money RailBuildCost(RailType railtype) rubidium@6871: { rubidium@6871: assert(railtype < RAILTYPE_END); rubidium@6871: return (_price.build_rail * _railtype_cost_multiplier[railtype]) >> 3; rubidium@6871: } rubidium@6871: rubidium@6872: /** rubidium@6872: * Calculates the cost of rail conversion rubidium@6872: * @param from The railtype we are converting from rubidium@6872: * @param to The railtype we are converting to rubidium@6872: * @return Cost per TrackBit rubidium@6872: */ rubidium@6872: static inline Money RailConvertCost(RailType from, RailType to) rubidium@6872: { rubidium@6872: /* rail -> el. rail rubidium@6872: * calculate the price as 5 / 4 of (cost build el. rail) - (cost build rail) rubidium@6872: * (the price of workers to get to place is that 1/4) rubidium@6872: */ rubidium@6872: if (HasPowerOnRail(from, to)) { rubidium@6872: return ((RailBuildCost(to) - RailBuildCost(from)) * 5) >> 2; rubidium@6872: } rubidium@6872: rubidium@6872: /* el. rail -> rail rubidium@6872: * calculate the price as 1 / 4 of (cost build el. rail) - (cost build rail) rubidium@6872: * (the price of workers is 1 / 4 + price of copper sold to a recycle center) rubidium@6872: */ rubidium@6872: if (HasPowerOnRail(to, from)) { rubidium@6872: return (RailBuildCost(from) - RailBuildCost(to)) >> 2; rubidium@6872: } rubidium@6872: rubidium@6872: /* make the price the same as remove + build new type */ rubidium@6872: return RailBuildCost(to) + _price.remove_rail; rubidium@6872: } rubidium@6872: rubidium@6870: void *UpdateTrainPowerProc(Vehicle *v, void *data); tron@2520: void DrawTrainDepotSprite(int x, int y, int image, RailType railtype); tron@2520: void DrawDefaultWaypointSprite(int x, int y, RailType railtype); rubidium@6872: void *EnsureNoTrainOnTrackProc(Vehicle *v, void *data); richk@10184: int TicksToLeaveDepot(const Vehicle *v); richk@10184: richk@6743: Foundation GetRailFoundation(Slope tileh, TrackBits bits); KUDr@5116: KUDr@5116: rubidium@6872: /** rubidium@6872: * Finds out if a Player has a certain railtype available rubidium@6872: * @param p Player in question rubidium@6872: * @param railtype requested RailType rubidium@6872: * @return true if player has requested RailType available rubidium@6872: */ rubidium@6872: bool HasRailtypeAvail(const PlayerID p, const RailType railtype); rubidium@6872: rubidium@6872: /** rubidium@6872: * Validate functions for rail building. rubidium@6872: * @param rail the railtype to check. rubidium@6872: * @return true if the current player may build the rail. rubidium@6872: */ rubidium@6872: bool ValParamRailtype(const RailType rail); rubidium@6872: rubidium@6872: /** rubidium@6872: * Returns the "best" railtype a player can build. rubidium@6872: * As the AI doesn't know what the BEST one is, we have our own priority list rubidium@6872: * here. When adding new railtypes, modify this function rubidium@6872: * @param p the player "in action" rubidium@6872: * @return The "best" railtype a player has available rubidium@6872: */ rubidium@6872: RailType GetBestRailtype(const PlayerID p); rubidium@6872: rubidium@6872: /** rubidium@6872: * Get the rail types the given player can build. rubidium@6872: * @param p the player to get the rail types for. rubidium@6872: * @return the rail types. rubidium@6872: */ rubidium@6872: RailTypes GetPlayerRailtypes(const PlayerID p); rubidium@6872: celestar@2536: #endif /* RAIL_H */