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annotate src/waypoint.h @ 6032:3f513357d37f draft

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(svn r8755) -Fix Abbreviate GetAirport(st->airport_type) to st->Airport()
author tron <tron@openttd.org>
date Fri, 16 Feb 2007 09:38:43 +0000
parents eabf4b86aed6
children e1626f2e63ad
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5475
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1 /* $Id$ */
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2
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3 #ifndef WAYPOINT_H
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4 #define WAYPOINT_H
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5
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6 #include "oldpool.h"
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7 #include "rail_map.h"
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8
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9 struct Waypoint {
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10 TileIndex xy; ///< Tile of waypoint
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11 WaypointID index; ///< Index of waypoint
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12
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13 TownID town_index; ///< Town associated with the waypoint
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14 byte town_cn; ///< The Nth waypoint for this town (consecutive number)
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15 StringID string; ///< If this is zero (i.e. no custom name), town + town_cn is used for naming
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16
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17 ViewportSign sign; ///< Dimensions of sign (not saved)
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18 Date build_date; ///< Date of construction
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19
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20 byte stat_id; ///< ID of waypoint within the waypoint class (not saved)
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21 uint32 grfid; ///< ID of GRF file
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22 byte localidx; ///< Index of station within GRF file
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23
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24 byte deleted; ///< Delete counter. If greater than 0 then it is decremented until it reaches 0; the waypoint is then is deleted.
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25 };
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26
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27 DECLARE_OLD_POOL(Waypoint, Waypoint, 3, 8000)
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28
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29 /**
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30 * Check if a Waypoint really exists.
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31 */
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32 static inline bool IsValidWaypoint(const Waypoint *wp)
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33 {
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34 return wp->xy != 0;
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35 }
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36
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37 static inline bool IsValidWaypointID(WaypointID index)
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38 {
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39 return index < GetWaypointPoolSize() && IsValidWaypoint(GetWaypoint(index));
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40 }
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41
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42 void DestroyWaypoint(Waypoint *wp);
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43
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44 static inline void DeleteWaypoint(Waypoint *wp)
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45 {
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46 DestroyWaypoint(wp);
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47 wp->xy = 0;
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48 }
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49
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50 #define FOR_ALL_WAYPOINTS_FROM(wp, start) for (wp = GetWaypoint(start); wp != NULL; wp = (wp->index + 1U < GetWaypointPoolSize()) ? GetWaypoint(wp->index + 1U) : NULL) if (IsValidWaypoint(wp))
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51 #define FOR_ALL_WAYPOINTS(wp) FOR_ALL_WAYPOINTS_FROM(wp, 0)
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52
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53
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54 /**
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55 * Fetch a waypoint by tile
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56 * @param tile Tile of waypoint
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57 * @return Waypoint
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58 */
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59 static inline Waypoint *GetWaypointByTile(TileIndex tile)
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60 {
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61 assert(IsTileType(tile, MP_RAILWAY) && IsRailWaypoint(tile));
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62 return GetWaypoint(_m[tile].m2);
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63 }
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64
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65 int32 RemoveTrainWaypoint(TileIndex tile, uint32 flags, bool justremove);
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66 Station *ComposeWaypointStation(TileIndex tile);
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67 void ShowRenameWaypointWindow(const Waypoint *cp);
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68 void DrawWaypointSprite(int x, int y, int image, RailType railtype);
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69 void FixOldWaypoints(void);
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70 void UpdateAllWaypointSigns(void);
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71 void AfterLoadWaypoints(void);
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72
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73 #endif /* WAYPOINT_H */