OpenTTD Source  20241120-master-g6d3adc6169
waypoint_cmd.cpp
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1 /*
2  * This file is part of OpenTTD.
3  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
4  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
5  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
6  */
7 
10 #include "stdafx.h"
11 
12 #include "command_func.h"
13 #include "landscape.h"
14 #include "bridge_map.h"
15 #include "town.h"
16 #include "waypoint_base.h"
19 #include "strings_func.h"
20 #include "viewport_func.h"
21 #include "viewport_kdtree.h"
22 #include "window_func.h"
24 #include "vehicle_func.h"
25 #include "string_func.h"
26 #include "company_func.h"
27 #include "newgrf_station.h"
28 #include "newgrf_roadstop.h"
29 #include "company_base.h"
30 #include "water.h"
31 #include "company_gui.h"
32 #include "waypoint_cmd.h"
33 #include "landscape_cmd.h"
34 
35 #include "table/strings.h"
36 
37 #include "safeguards.h"
38 
43 {
44  Point pt = RemapCoords2(TileX(this->xy) * TILE_SIZE, TileY(this->xy) * TILE_SIZE);
45  if (this->sign.kdtree_valid) _viewport_sign_kdtree.Remove(ViewportSignKdtreeItem::MakeWaypoint(this->index));
46 
47  SetDParam(0, this->index);
48  this->sign.UpdatePosition(pt.x, pt.y - 32 * ZOOM_BASE, STR_VIEWPORT_WAYPOINT);
49 
50  _viewport_sign_kdtree.Insert(ViewportSignKdtreeItem::MakeWaypoint(this->index));
51 
52  /* Recenter viewport */
54 }
55 
61 {
62  if (this->xy == new_xy) return;
63 
64  this->BaseStation::MoveSign(new_xy);
65 }
66 
75 static Waypoint *FindDeletedWaypointCloseTo(TileIndex tile, StringID str, CompanyID cid, bool is_road)
76 {
77  Waypoint *best = nullptr;
78  uint thres = 8;
79 
80  for (Waypoint *wp : Waypoint::Iterate()) {
81  if (!wp->IsInUse() && wp->string_id == str && wp->owner == cid && HasBit(wp->waypoint_flags, WPF_ROAD) == is_road) {
82  uint cur_dist = DistanceManhattan(tile, wp->xy);
83 
84  if (cur_dist < thres) {
85  thres = cur_dist;
86  best = wp;
87  }
88  }
89  }
90 
91  return best;
92 }
93 
102 {
103  /* The axis for rail waypoints is easy. */
104  if (IsRailWaypointTile(tile)) return GetRailStationAxis(tile);
105 
106  /* Non-plain rail type, no valid axis for waypoints. */
107  if (!IsTileType(tile, MP_RAILWAY) || GetRailTileType(tile) != RAIL_TILE_NORMAL) return INVALID_AXIS;
108 
109  switch (GetTrackBits(tile)) {
110  case TRACK_BIT_X: return AXIS_X;
111  case TRACK_BIT_Y: return AXIS_Y;
112  default: return INVALID_AXIS;
113  }
114 }
115 
124 {
125  /* The axis for existing road waypoints is easy. */
126  if (IsRoadWaypointTile(tile)) return GetDriveThroughStopAxis(tile);
127 
128  /* Non-plain road type, no valid axis for waypoints. */
129  if (!IsNormalRoadTile(tile)) return INVALID_AXIS;
130 
131  RoadBits bits = GetAllRoadBits(tile);
132 
133  if ((bits & ROAD_Y) == 0) return AXIS_X;
134  if ((bits & ROAD_X) == 0) return AXIS_Y;
135 
136  return INVALID_AXIS;
137 }
138 
140 
147 static CommandCost IsValidTileForWaypoint(TileIndex tile, Axis axis, StationID *waypoint)
148 {
149  /* if waypoint is set, then we have special handling to allow building on top of already existing waypoints.
150  * so waypoint points to INVALID_STATION if we can build on any waypoint.
151  * Or it points to a waypoint if we're only allowed to build on exactly that waypoint. */
152  if (waypoint != nullptr && IsTileType(tile, MP_STATION)) {
153  if (!IsRailWaypoint(tile)) {
154  return ClearTile_Station(tile, DC_AUTO); // get error message
155  } else {
156  StationID wp = GetStationIndex(tile);
157  if (*waypoint == INVALID_STATION) {
158  *waypoint = wp;
159  } else if (*waypoint != wp) {
160  return_cmd_error(STR_ERROR_WAYPOINT_ADJOINS_MORE_THAN_ONE_EXISTING);
161  }
162  }
163  }
164 
165  if (GetAxisForNewRailWaypoint(tile) != axis) return_cmd_error(STR_ERROR_NO_SUITABLE_RAILROAD_TRACK);
166 
167  Owner owner = GetTileOwner(tile);
168  CommandCost ret = CheckOwnership(owner);
169  if (ret.Succeeded()) ret = EnsureNoVehicleOnGround(tile);
170  if (ret.Failed()) return ret;
171 
172  Slope tileh = GetTileSlope(tile);
173  if (tileh != SLOPE_FLAT &&
174  (!_settings_game.construction.build_on_slopes || IsSteepSlope(tileh) || !(tileh & (0x3 << axis)) || !(tileh & ~(0x3 << axis)))) {
175  return_cmd_error(STR_ERROR_FLAT_LAND_REQUIRED);
176  }
177 
178  if (IsBridgeAbove(tile)) return_cmd_error(STR_ERROR_MUST_DEMOLISH_BRIDGE_FIRST);
179 
180  return CommandCost();
181 }
182 
183 extern void GetStationLayout(uint8_t *layout, uint numtracks, uint plat_len, const StationSpec *statspec);
184 extern CommandCost FindJoiningWaypoint(StationID existing_station, StationID station_to_join, bool adjacent, TileArea ta, Waypoint **wp, bool is_road);
185 extern CommandCost CanExpandRailStation(const BaseStation *st, TileArea &new_ta);
186 extern CommandCost CalculateRoadStopCost(TileArea tile_area, DoCommandFlag flags, bool is_drive_through, StationType station_type, Axis axis, DiagDirection ddir, StationID *est, RoadType rt, Money unit_cost);
187 extern CommandCost RemoveRoadWaypointStop(TileIndex tile, DoCommandFlag flags, int replacement_spec_index);
188 
203 CommandCost CmdBuildRailWaypoint(DoCommandFlag flags, TileIndex start_tile, Axis axis, uint8_t width, uint8_t height, StationClassID spec_class, uint16_t spec_index, StationID station_to_join, bool adjacent)
204 {
205  if (!IsValidAxis(axis)) return CMD_ERROR;
206  /* Check if the given station class is valid */
207  if (static_cast<uint>(spec_class) >= StationClass::GetClassCount()) return CMD_ERROR;
208  const StationClass *cls = StationClass::Get(spec_class);
209  if (!IsWaypointClass(*cls)) return CMD_ERROR;
210  if (spec_index >= cls->GetSpecCount()) return CMD_ERROR;
211 
212  /* The number of parts to build */
213  uint8_t count = axis == AXIS_X ? height : width;
214 
215  if ((axis == AXIS_X ? width : height) != 1) return CMD_ERROR;
216  if (count == 0 || count > _settings_game.station.station_spread) return CMD_ERROR;
217 
218  bool reuse = (station_to_join != NEW_STATION);
219  if (!reuse) station_to_join = INVALID_STATION;
220  bool distant_join = (station_to_join != INVALID_STATION);
221 
222  if (distant_join && (!_settings_game.station.distant_join_stations || !Waypoint::IsValidID(station_to_join))) return CMD_ERROR;
223 
224  TileArea new_location(start_tile, width, height);
225 
226  /* only AddCost for non-existing waypoints */
228  for (TileIndex cur_tile : new_location) {
229  if (!IsRailWaypointTile(cur_tile)) cost.AddCost(_price[PR_BUILD_WAYPOINT_RAIL]);
230  }
231 
232  /* Make sure the area below consists of clear tiles. (OR tiles belonging to a certain rail station) */
233  StationID est = INVALID_STATION;
234 
235  /* Check whether the tiles we're building on are valid rail or not. */
236  TileIndexDiff offset = TileOffsByAxis(OtherAxis(axis));
237  for (int i = 0; i < count; i++) {
238  TileIndex tile = start_tile + i * offset;
239  CommandCost ret = IsValidTileForWaypoint(tile, axis, &est);
240  if (ret.Failed()) return ret;
241  }
242 
243  Waypoint *wp = nullptr;
244  CommandCost ret = FindJoiningWaypoint(est, station_to_join, adjacent, new_location, &wp, false);
245  if (ret.Failed()) return ret;
246 
247  /* Check if there is an already existing, deleted, waypoint close to us that we can reuse. */
248  TileIndex center_tile = start_tile + (count / 2) * offset;
249  if (wp == nullptr && reuse) wp = FindDeletedWaypointCloseTo(center_tile, STR_SV_STNAME_WAYPOINT, _current_company, false);
250 
251  if (wp != nullptr) {
252  /* Reuse an existing waypoint. */
253  if (wp->owner != _current_company) return_cmd_error(STR_ERROR_TOO_CLOSE_TO_ANOTHER_WAYPOINT);
254 
255  /* Check if we want to expand an already existing waypoint. */
256  if (wp->train_station.tile != INVALID_TILE) {
257  ret = CanExpandRailStation(wp, new_location);
258  if (ret.Failed()) return ret;
259  }
260 
261  ret = wp->rect.BeforeAddRect(start_tile, width, height, StationRect::ADD_TEST);
262  if (ret.Failed()) return ret;
263  } else {
264  /* Check if we can create a new waypoint. */
265  if (!Waypoint::CanAllocateItem()) return_cmd_error(STR_ERROR_TOO_MANY_STATIONS_LOADING);
266  }
267 
268  if (flags & DC_EXEC) {
269  if (wp == nullptr) {
270  wp = new Waypoint(start_tile);
271  } else if (!wp->IsInUse()) {
272  /* Move existing (recently deleted) waypoint to the new location */
273  wp->xy = start_tile;
274  }
275  wp->owner = GetTileOwner(start_tile);
276 
277  wp->rect.BeforeAddRect(start_tile, width, height, StationRect::ADD_TRY);
278 
279  wp->delete_ctr = 0;
280  wp->facilities |= FACIL_TRAIN;
282  wp->string_id = STR_SV_STNAME_WAYPOINT;
283  wp->train_station = new_location;
284 
285  if (wp->town == nullptr) MakeDefaultName(wp);
286 
287  wp->UpdateVirtCoord();
288 
289  const StationSpec *spec = StationClass::Get(spec_class)->GetSpec(spec_index);
290  std::vector<uint8_t> layout(count);
291  if (spec != nullptr) {
292  /* For NewGRF waypoints we like to have their style. */
293  GetStationLayout(layout.data(), count, 1, spec);
294  }
295  uint8_t map_spec_index = AllocateSpecToStation(spec, wp, true);
296 
297  Company *c = Company::Get(wp->owner);
298  for (int i = 0; i < count; i++) {
299  TileIndex tile = start_tile + i * offset;
300  uint8_t old_specindex = HasStationTileRail(tile) ? GetCustomStationSpecIndex(tile) : 0;
301  if (!HasStationTileRail(tile)) c->infrastructure.station++;
302  bool reserved = IsTileType(tile, MP_RAILWAY) ?
304  HasStationReservation(tile);
305  MakeRailWaypoint(tile, wp->owner, wp->index, axis, layout[i], GetRailType(tile));
306  SetCustomStationSpecIndex(tile, map_spec_index);
307 
308  SetRailStationTileFlags(tile, spec);
309 
310  SetRailStationReservation(tile, reserved);
311  MarkTileDirtyByTile(tile);
312 
313  DeallocateSpecFromStation(wp, old_specindex);
315  }
317  }
318 
319  return cost;
320 }
321 
335 CommandCost CmdBuildRoadWaypoint(DoCommandFlag flags, TileIndex start_tile, Axis axis, uint8_t width, uint8_t height, RoadStopClassID spec_class, uint16_t spec_index, StationID station_to_join, bool adjacent)
336 {
337  if (!IsValidAxis(axis)) return CMD_ERROR;
338  /* Check if the given station class is valid */
339  if (static_cast<uint>(spec_class) >= RoadStopClass::GetClassCount()) return CMD_ERROR;
340  const RoadStopClass *cls = RoadStopClass::Get(spec_class);
341  if (!IsWaypointClass(*cls)) return CMD_ERROR;
342  if (spec_index >= cls->GetSpecCount()) return CMD_ERROR;
343 
344  const RoadStopSpec *roadstopspec = RoadStopClass::Get(spec_class)->GetSpec(spec_index);
345 
346  /* The number of parts to build */
347  uint8_t count = axis == AXIS_X ? height : width;
348 
349  if ((axis == AXIS_X ? width : height) != 1) return CMD_ERROR;
350  if (count == 0 || count > _settings_game.station.station_spread) return CMD_ERROR;
351 
352  bool reuse = (station_to_join != NEW_STATION);
353  if (!reuse) station_to_join = INVALID_STATION;
354  bool distant_join = (station_to_join != INVALID_STATION);
355 
356  if (distant_join && (!_settings_game.station.distant_join_stations || !Waypoint::IsValidID(station_to_join))) return CMD_ERROR;
357 
358  TileArea roadstop_area(start_tile, width, height);
359 
360  /* Total road stop cost. */
361  Money unit_cost;
362  if (roadstopspec != nullptr) {
363  unit_cost = roadstopspec->GetBuildCost(PR_BUILD_STATION_TRUCK);
364  } else {
365  unit_cost = _price[PR_BUILD_STATION_TRUCK];
366  }
367  StationID est = INVALID_STATION;
368  CommandCost cost = CalculateRoadStopCost(roadstop_area, flags, true, STATION_ROADWAYPOINT, axis, AxisToDiagDir(axis), &est, INVALID_ROADTYPE, unit_cost);
369  if (cost.Failed()) return cost;
370 
371  Waypoint *wp = nullptr;
372  CommandCost ret = FindJoiningWaypoint(est, station_to_join, adjacent, roadstop_area, &wp, true);
373  if (ret.Failed()) return ret;
374 
375  /* Check if there is an already existing, deleted, waypoint close to us that we can reuse. */
376  TileIndex center_tile = start_tile + (count / 2) * TileOffsByAxis(OtherAxis(axis));
377  if (wp == nullptr && reuse) wp = FindDeletedWaypointCloseTo(center_tile, STR_SV_STNAME_WAYPOINT, _current_company, true);
378 
379  if (wp != nullptr) {
380  /* Reuse an existing waypoint. */
381  if (!HasBit(wp->waypoint_flags, WPF_ROAD)) return CMD_ERROR;
382  if (wp->owner != _current_company) return_cmd_error(STR_ERROR_TOO_CLOSE_TO_ANOTHER_WAYPOINT);
383 
384  ret = wp->rect.BeforeAddRect(start_tile, width, height, StationRect::ADD_TEST);
385  if (ret.Failed()) return ret;
386  } else {
387  /* Check if we can create a new waypoint. */
388  if (!Waypoint::CanAllocateItem()) return_cmd_error(STR_ERROR_TOO_MANY_STATIONS_LOADING);
389  }
390 
391  /* Check if we can allocate a custom stationspec to this station */
392  if (AllocateSpecToRoadStop(roadstopspec, wp, false) == -1) return_cmd_error(STR_ERROR_TOO_MANY_STATION_SPECS);
393 
394  if (flags & DC_EXEC) {
395  if (wp == nullptr) {
396  wp = new Waypoint(start_tile);
398  } else if (!wp->IsInUse()) {
399  /* Move existing (recently deleted) waypoint to the new location */
400  wp->xy = start_tile;
401  }
402  wp->owner = _current_company;
403 
404  wp->rect.BeforeAddRect(start_tile, width, height, StationRect::ADD_TRY);
405 
406  if (roadstopspec != nullptr) {
407  /* Include this road stop spec's animation trigger bitmask
408  * in the station's cached copy. */
409  wp->cached_roadstop_anim_triggers |= roadstopspec->animation.triggers;
410  }
411 
412  wp->delete_ctr = 0;
415  wp->string_id = STR_SV_STNAME_WAYPOINT;
416 
417  if (wp->town == nullptr) MakeDefaultName(wp);
418 
419  wp->UpdateVirtCoord();
420 
421  uint8_t map_spec_index = AllocateSpecToRoadStop(roadstopspec, wp, true);
422 
423  /* Check every tile in the area. */
424  for (TileIndex cur_tile : roadstop_area) {
425  /* Get existing road types and owners before any tile clearing */
426  RoadType road_rt = MayHaveRoad(cur_tile) ? GetRoadType(cur_tile, RTT_ROAD) : INVALID_ROADTYPE;
427  RoadType tram_rt = MayHaveRoad(cur_tile) ? GetRoadType(cur_tile, RTT_TRAM) : INVALID_ROADTYPE;
428  Owner road_owner = road_rt != INVALID_ROADTYPE ? GetRoadOwner(cur_tile, RTT_ROAD) : _current_company;
429  Owner tram_owner = tram_rt != INVALID_ROADTYPE ? GetRoadOwner(cur_tile, RTT_TRAM) : _current_company;
430 
431  if (IsRoadWaypointTile(cur_tile)) {
432  RemoveRoadWaypointStop(cur_tile, flags, map_spec_index);
433  }
434 
435  wp->road_waypoint_area.Add(cur_tile);
436 
437  wp->rect.BeforeAddTile(cur_tile, StationRect::ADD_TRY);
438 
439  /* Update company infrastructure counts. If the current tile is a normal road tile, remove the old
440  * bits first. */
441  if (IsNormalRoadTile(cur_tile)) {
442  UpdateCompanyRoadInfrastructure(road_rt, road_owner, -(int)CountBits(GetRoadBits(cur_tile, RTT_ROAD)));
443  UpdateCompanyRoadInfrastructure(tram_rt, tram_owner, -(int)CountBits(GetRoadBits(cur_tile, RTT_TRAM)));
444  }
445 
448 
449  MakeDriveThroughRoadStop(cur_tile, wp->owner, road_owner, tram_owner, wp->index, STATION_ROADWAYPOINT, road_rt, tram_rt, axis);
450  SetCustomRoadStopSpecIndex(cur_tile, map_spec_index);
451  if (roadstopspec != nullptr) wp->SetRoadStopRandomBits(cur_tile, 0);
452 
453  Company::Get(wp->owner)->infrastructure.station++;
454 
455  MarkTileDirtyByTile(cur_tile);
456  }
458  }
459  return cost;
460 }
461 
469 {
470  if (tile == 0 || !HasTileWaterGround(tile)) return_cmd_error(STR_ERROR_SITE_UNSUITABLE);
471  if (IsBridgeAbove(tile)) return_cmd_error(STR_ERROR_MUST_DEMOLISH_BRIDGE_FIRST);
472 
473  if (!IsTileFlat(tile)) return_cmd_error(STR_ERROR_SITE_UNSUITABLE);
474 
475  /* Check if there is an already existing, deleted, waypoint close to us that we can reuse. */
476  Waypoint *wp = FindDeletedWaypointCloseTo(tile, STR_SV_STNAME_BUOY, OWNER_NONE, false);
477  if (wp == nullptr && !Waypoint::CanAllocateItem()) return_cmd_error(STR_ERROR_TOO_MANY_STATIONS_LOADING);
478 
479  CommandCost cost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_WAYPOINT_BUOY]);
480  if (!IsWaterTile(tile)) {
482  if (ret.Failed()) return ret;
483  cost.AddCost(ret);
484  }
485 
486  if (flags & DC_EXEC) {
487  if (wp == nullptr) {
488  wp = new Waypoint(tile);
489  } else {
490  /* Move existing (recently deleted) buoy to the new location */
491  wp->xy = tile;
493  }
494  wp->rect.BeforeAddTile(tile, StationRect::ADD_TRY);
495 
496  wp->string_id = STR_SV_STNAME_BUOY;
497 
498  wp->facilities |= FACIL_DOCK;
499  wp->owner = OWNER_NONE;
500 
502 
503  if (wp->town == nullptr) MakeDefaultName(wp);
504 
505  MakeBuoy(tile, wp->index, GetWaterClass(tile));
506  CheckForDockingTile(tile);
507  MarkTileDirtyByTile(tile);
509 
510  wp->UpdateVirtCoord();
512  }
513 
514  return cost;
515 }
516 
525 {
526  /* XXX: strange stuff, allow clearing as invalid company when clearing landscape */
528 
529  Waypoint *wp = Waypoint::GetByTile(tile);
530 
531  if (HasStationInUse(wp->index, false, _current_company)) return_cmd_error(STR_ERROR_BUOY_IS_IN_USE);
532  /* remove the buoy if there is a ship on tile when company goes bankrupt... */
533  if (!(flags & DC_BANKRUPT)) {
535  if (ret.Failed()) return ret;
536  }
537 
538  if (flags & DC_EXEC) {
539  wp->facilities &= ~FACIL_DOCK;
540 
542 
543  /* We have to set the water tile's state to the same state as before the
544  * buoy was placed. Otherwise one could plant a buoy on a canal edge,
545  * remove it and flood the land (if the canal edge is at level 0) */
546  MakeWaterKeepingClass(tile, GetTileOwner(tile));
547 
548  wp->rect.AfterRemoveTile(wp, tile);
549 
550  wp->UpdateVirtCoord();
551  wp->delete_ctr = 0;
552  }
553 
554  return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_CLEAR_WAYPOINT_BUOY]);
555 }
556 
562 static bool IsUniqueWaypointName(const std::string &name)
563 {
564  for (const Waypoint *wp : Waypoint::Iterate()) {
565  if (!wp->name.empty() && wp->name == name) return false;
566  }
567 
568  return true;
569 }
570 
578 CommandCost CmdRenameWaypoint(DoCommandFlag flags, StationID waypoint_id, const std::string &text)
579 {
580  Waypoint *wp = Waypoint::GetIfValid(waypoint_id);
581  if (wp == nullptr) return CMD_ERROR;
582 
583  if (wp->owner != OWNER_NONE) {
584  CommandCost ret = CheckOwnership(wp->owner);
585  if (ret.Failed()) return ret;
586  }
587 
588  bool reset = text.empty();
589 
590  if (!reset) {
592  if (!IsUniqueWaypointName(text)) return_cmd_error(STR_ERROR_NAME_MUST_BE_UNIQUE);
593  }
594 
595  if (flags & DC_EXEC) {
596  if (reset) {
597  wp->name.clear();
598  } else {
599  wp->name = text;
600  }
601 
602  wp->UpdateVirtCoord();
603  }
604  return CommandCost();
605 }
constexpr debug_inline bool HasBit(const T x, const uint8_t y)
Checks if a bit in a value is set.
constexpr T SetBit(T &x, const uint8_t y)
Set a bit in a variable.
constexpr uint CountBits(T value)
Counts the number of set bits in a variable.
Map accessor functions for bridges.
bool IsBridgeAbove(Tile t)
checks if a bridge is set above the ground of this tile
Definition: bridge_map.h:45
Common return value for all commands.
Definition: command_type.h:23
bool Succeeded() const
Did this command succeed?
Definition: command_type.h:162
void AddCost(const Money &cost)
Adds the given cost to the cost of the command.
Definition: command_type.h:63
bool Failed() const
Did this command fail?
Definition: command_type.h:171
void Insert(const T &element)
Insert a single element in the tree.
Definition: kdtree.hpp:398
void Remove(const T &element)
Remove a single element from the tree, if it exists.
Definition: kdtree.hpp:417
Struct containing information relating to NewGRF classes for stations and airports.
Definition: newgrf_class.h:26
static NewGRFClass * Get(Tindex class_index)
Get a particular class.
uint GetSpecCount() const
Get the number of allocated specs within the class.
Definition: newgrf_class.h:70
static uint GetClassCount()
Get the number of allocated classes.
const Tspec * GetSpec(uint index) const
Get a spec from the class at a given index.
static Date date
Current date in days (day counter).
Functions related to commands.
static const CommandCost CMD_ERROR
Define a default return value for a failed command.
Definition: command_func.h:28
#define return_cmd_error(errcode)
Returns from a function with a specific StringID as error.
Definition: command_func.h:38
DoCommandFlag
List of flags for a command.
Definition: command_type.h:374
@ DC_AUTO
don't allow building on structures
Definition: command_type.h:377
@ DC_BANKRUPT
company bankrupts, skip money check, skip vehicle on tile check in some cases
Definition: command_type.h:382
@ DC_EXEC
execute the given command
Definition: command_type.h:376
Definition of stuff that is very close to a company, like the company struct itself.
CommandCost CheckOwnership(Owner owner, TileIndex tile)
Check whether the current owner owns something.
CompanyID _current_company
Company currently doing an action.
Definition: company_cmd.cpp:53
Functions related to companies.
void DirtyCompanyInfrastructureWindows(CompanyID company)
Redraw all windows with company infrastructure counts.
GUI Functions related to companies.
Owner
Enum for all companies/owners.
Definition: company_type.h:18
@ OWNER_NONE
The tile has no ownership.
Definition: company_type.h:25
bool IsValidAxis(Axis d)
Checks if an integer value is a valid Axis.
DiagDirection AxisToDiagDir(Axis a)
Converts an Axis to a DiagDirection.
Axis OtherAxis(Axis a)
Select the other axis as provided.
Axis
Allow incrementing of DiagDirDiff variables.
@ INVALID_AXIS
Flag for an invalid Axis.
@ AXIS_X
The X axis.
@ AXIS_Y
The y axis.
DiagDirection
Enumeration for diagonal directions.
static const uint ROAD_STOP_TRACKBIT_FACTOR
Multiplier for how many regular track bits a bay stop counts.
Definition: economy_type.h:247
@ EXPENSES_CONSTRUCTION
Construction costs.
Definition: economy_type.h:173
void MarkTileDirtyByTile(TileIndex tile, int bridge_level_offset, int tile_height_override)
Mark a tile given by its index dirty for repaint.
Definition: viewport.cpp:2057
Functions related to OTTD's landscape.
Point RemapCoords2(int x, int y)
Map 3D world or tile coordinate to equivalent 2D coordinate as used in the viewports and smallmap.
Definition: landscape.h:95
Command definitions related to landscape (slopes etc.).
uint DistanceManhattan(TileIndex t0, TileIndex t1)
Gets the Manhattan distance between the two given tiles.
Definition: map.cpp:146
TileIndexDiff TileOffsByAxis(Axis axis)
Convert an Axis to a TileIndexDiff.
Definition: map_func.h:552
static debug_inline uint TileY(TileIndex tile)
Get the Y component of a tile.
Definition: map_func.h:425
static debug_inline uint TileX(TileIndex tile)
Get the X component of a tile.
Definition: map_func.h:415
int32_t TileIndexDiff
An offset value between two tiles.
Definition: map_type.h:23
NewGRF definitions and structures for road stops.
bool IsWaypointClass(const RoadStopClass &cls)
Test if a RoadStopClass is the waypoint class.
RoadStopClassID
int AllocateSpecToStation(const StationSpec *statspec, BaseStation *st, bool exec)
Allocate a StationSpec to a Station.
void DeallocateSpecFromStation(BaseStation *st, uint8_t specindex)
Deallocate a StationSpec from a Station.
Header file for NewGRF stations.
StationClassID
RailType GetRailType(Tile t)
Gets the rail type of the given tile.
Definition: rail_map.h:115
static debug_inline RailTileType GetRailTileType(Tile t)
Returns the RailTileType (normal with or without signals, waypoint or depot).
Definition: rail_map.h:36
TrackBits GetTrackBits(Tile tile)
Gets the track bits of the given tile.
Definition: rail_map.h:136
TrackBits GetRailReservationTrackBits(Tile t)
Returns the reserved track bits of the tile.
Definition: rail_map.h:194
@ RAIL_TILE_NORMAL
Normal rail tile without signals.
Definition: rail_map.h:24
void UpdateCompanyRoadInfrastructure(RoadType rt, Owner o, int count)
Update road infrastructure counts for a company.
Definition: road_cmd.cpp:190
static debug_inline bool IsNormalRoadTile(Tile t)
Return whether a tile is a normal road tile.
Definition: road_map.h:74
RoadBits GetRoadBits(Tile t, RoadTramType rtt)
Get the present road bits for a specific road type.
Definition: road_map.h:128
bool MayHaveRoad(Tile t)
Test whether a tile can have road/tram types.
Definition: road_map.h:33
RoadBits GetAllRoadBits(Tile tile)
Get all set RoadBits on the given tile.
Definition: road_map.h:141
Owner GetRoadOwner(Tile t, RoadTramType rtt)
Get the owner of a specific road type.
Definition: road_map.h:234
RoadBits
Enumeration for the road parts on a tile.
Definition: road_type.h:52
@ ROAD_Y
Full road along the y-axis (north-west + south-east)
Definition: road_type.h:59
@ ROAD_X
Full road along the x-axis (south-west + north-east)
Definition: road_type.h:58
RoadType
The different roadtypes we support.
Definition: road_type.h:25
@ INVALID_ROADTYPE
flag for invalid roadtype
Definition: road_type.h:30
A number of safeguards to prevent using unsafe methods.
GameSettings _settings_game
Game settings of a running game or the scenario editor.
Definition: settings.cpp:57
static constexpr bool IsSteepSlope(Slope s)
Checks if a slope is steep.
Definition: slope_func.h:36
Slope
Enumeration for the slope-type.
Definition: slope_type.h:48
@ SLOPE_FLAT
a flat tile
Definition: slope_type.h:49
bool HasStationInUse(StationID station, bool include_company, CompanyID company)
Tests whether the company's vehicles have this station in orders.
void SetRailStationTileFlags(TileIndex tile, const StationSpec *statspec)
Set rail station tile flags for the given tile.
void SetCustomStationSpecIndex(Tile t, uint8_t specindex)
Set the custom station spec for this tile.
Definition: station_map.h:630
bool IsRailWaypointTile(Tile t)
Is this tile a station tile and a rail waypoint?
Definition: station_map.h:123
void MakeDriveThroughRoadStop(Tile t, Owner station, Owner road, Owner tram, StationID sid, StationType rst, RoadType road_rt, RoadType tram_rt, Axis a)
Make the given tile a drivethrough roadstop tile.
Definition: station_map.h:795
StationID GetStationIndex(Tile t)
Get StationID from a tile.
Definition: station_map.h:28
bool HasStationTileRail(Tile t)
Has this station tile a rail? In other words, is this station tile a rail station or rail waypoint?
Definition: station_map.h:146
uint GetCustomStationSpecIndex(Tile t)
Get the custom station spec for this tile.
Definition: station_map.h:642
bool IsRailWaypoint(Tile t)
Is this station tile a rail waypoint?
Definition: station_map.h:113
void SetRailStationReservation(Tile t, bool b)
Set the reservation state of the rail station.
Definition: station_map.h:571
Axis GetRailStationAxis(Tile t)
Get the rail direction of a rail station.
Definition: station_map.h:503
void MakeRailWaypoint(Tile t, Owner o, StationID sid, Axis a, uint8_t section, RailType rt)
Make the given tile a rail waypoint tile.
Definition: station_map.h:758
bool IsRoadWaypointTile(Tile t)
Is this tile a station tile and a road waypoint?
Definition: station_map.h:212
Axis GetDriveThroughStopAxis(Tile t)
Gets the axis of the drive through stop.
Definition: station_map.h:356
void MakeBuoy(Tile t, StationID sid, WaterClass wc)
Make the given tile a buoy tile.
Definition: station_map.h:822
bool HasStationReservation(Tile t)
Get the reservation state of the rail station.
Definition: station_map.h:559
void SetCustomRoadStopSpecIndex(Tile t, uint8_t specindex)
Set the custom road stop spec for this tile.
Definition: station_map.h:666
@ FACIL_DOCK
Station with a dock.
Definition: station_type.h:58
@ FACIL_BUS_STOP
Station with bus stops.
Definition: station_type.h:56
@ FACIL_TRUCK_STOP
Station with truck stops.
Definition: station_type.h:55
@ FACIL_TRAIN
Station with train station.
Definition: station_type.h:54
StationType
Station types.
Definition: station_type.h:31
static const uint MAX_LENGTH_STATION_NAME_CHARS
The maximum length of a station name in characters including '\0'.
Definition: station_type.h:87
Definition of base types and functions in a cross-platform compatible way.
size_t Utf8StringLength(const char *s)
Get the length of an UTF-8 encoded string in number of characters and thus not the number of bytes th...
Definition: string.cpp:359
Functions related to low-level strings.
void SetDParam(size_t n, uint64_t v)
Set a string parameter v at index n in the global string parameter array.
Definition: strings.cpp:104
Functions related to OTTD's strings.
uint32_t StringID
Numeric value that represents a string, independent of the selected language.
Definition: strings_type.h:16
static const StringID INVALID_STRING_ID
Constant representing an invalid string (16bit in case it is used in savegames)
Definition: strings_type.h:17
uint16_t triggers
The triggers that trigger animation.
Base class for all station-ish types.
StationFacility facilities
The facilities that this station has.
StringID string_id
Default name (town area) of station.
TileIndex xy
Base tile of the station.
TileArea train_station
Tile area the train 'station' part covers.
uint8_t cached_roadstop_anim_triggers
NOSAVE: Combined animation trigger bitmask for road stops, used to determine if trigger processing sh...
Owner owner
The owner of this station.
uint8_t delete_ctr
Delete counter. If greater than 0 then it is decremented until it reaches 0; the waypoint is then is ...
StationRect rect
NOSAVE: Station spread out rectangle maintained by StationRect::xxx() functions.
bool IsInUse() const
Check whether the base station currently is in use; in use means that it is not scheduled for deletio...
Town * town
The town this station is associated with.
TrackedViewportSign sign
NOSAVE: Dimensions of sign.
TimerGameCalendar::Date build_date
Date of construction.
std::string name
Custom name.
uint32_t station
Count of company owned station tiles.
Definition: company_base.h:37
CompanyInfrastructure infrastructure
NOSAVE: Counts of company owned infrastructure.
Definition: company_base.h:147
bool build_on_slopes
allow building on slopes
ConstructionSettings construction
construction of things in-game
StationSettings station
settings related to station management
Represents the covered area of e.g.
Definition: tilearea_type.h:18
void Add(TileIndex to_add)
Add a single tile to a tile area; enlarge if needed.
Definition: tilearea.cpp:43
TileIndex tile
The base tile of the area.
Definition: tilearea_type.h:19
Coordinates of a point in 2D.
Tindex index
Index of this pool item.
Definition: pool_type.hpp:238
static Titem * Get(size_t index)
Returns Titem with given index.
Definition: pool_type.hpp:339
static bool IsValidID(size_t index)
Tests whether given index can be used to get valid (non-nullptr) Titem.
Definition: pool_type.hpp:328
static bool CanAllocateItem(size_t n=1)
Helper functions so we can use PoolItem::Function() instead of _poolitem_pool.Function()
Definition: pool_type.hpp:309
Road stop specification.
Money GetBuildCost(Price category) const
Get the cost for building a road stop of this type.
static Waypoint * GetIfValid(size_t index)
Returns station if the index is a valid index for this station type.
static Pool::IterateWrapper< Waypoint > Iterate(size_t from=0)
Returns an iterable ensemble of all valid stations of type T.
static Waypoint * GetByTile(TileIndex tile)
Get the station belonging to a specific tile.
static bool IsValidID(size_t index)
Tests whether given index is a valid index for station of this type.
uint8_t station_spread
amount a station may spread
bool distant_join_stations
allow to join non-adjacent stations
Station specification.
void UpdatePosition(int center, int top, StringID str, StringID str_small=STR_NULL)
Update the position of the viewport sign.
Definition: viewport_type.h:60
bool kdtree_valid
Are the sign data valid for use with the _viewport_sign_kdtree?
Definition: viewport_type.h:52
Representation of a waypoint.
Definition: waypoint_base.h:23
TileArea road_waypoint_area
Tile area the road waypoint part covers.
Definition: waypoint_base.h:26
uint16_t waypoint_flags
Waypoint flags, see WaypointFlags.
Definition: waypoint_base.h:25
void MoveSign(TileIndex new_xy) override
Move the waypoint main coordinate somewhere else.
void UpdateVirtCoord() override
Update the virtual coords needed to draw the waypoint sign.
bool IsTileFlat(TileIndex tile, int *h)
Check if a given tile is flat.
Definition: tile_map.cpp:95
Owner GetTileOwner(Tile tile)
Returns the owner of a tile.
Definition: tile_map.h:178
static debug_inline bool IsTileType(Tile tile, TileType type)
Checks if a tile is a given tiletype.
Definition: tile_map.h:150
Slope GetTileSlope(TileIndex tile)
Return the slope of a given tile inside the map.
Definition: tile_map.h:279
static const uint TILE_SIZE
Tile size in world coordinates.
Definition: tile_type.h:15
constexpr TileIndex INVALID_TILE
The very nice invalid tile marker.
Definition: tile_type.h:95
@ MP_STATION
A tile of a station.
Definition: tile_type.h:53
@ MP_RAILWAY
A railway.
Definition: tile_type.h:49
Definition of the game-calendar-timer.
Base of the town class.
void MakeDefaultName(T *obj)
Set the default name for a depot/waypoint.
Definition: town.h:253
Track AxisToTrack(Axis a)
Convert an Axis to the corresponding Track AXIS_X -> TRACK_X AXIS_Y -> TRACK_Y Uses the fact that the...
Definition: track_func.h:66
@ TRACK_BIT_Y
Y-axis track.
Definition: track_type.h:38
@ TRACK_BIT_X
X-axis track.
Definition: track_type.h:37
CommandCost EnsureNoVehicleOnGround(TileIndex tile)
Ensure there is no vehicle at the ground at the given position.
Definition: vehicle.cpp:546
Functions related to vehicles.
Functions related to (drawing on) viewports.
Functions related to water (management)
void ClearNeighbourNonFloodingStates(TileIndex tile)
Clear non-flooding state of the tiles around a tile.
Definition: water_cmd.cpp:97
void CheckForDockingTile(TileIndex t)
Mark the supplied tile as a docking tile if it is suitable for docking.
Definition: water_cmd.cpp:195
bool HasTileWaterGround(Tile t)
Checks whether the tile has water at the ground.
Definition: water_map.h:350
WaterClass GetWaterClass(Tile t)
Get the water class at a tile.
Definition: water_map.h:112
bool IsWaterTile(Tile t)
Is it a water tile with plain water?
Definition: water_map.h:190
Handles dividing the water in the map into regions to assist pathfinding.
Base of waypoints.
@ WPF_ROAD
This is a road waypoint.
Definition: waypoint_base.h:19
static CommandCost IsValidTileForWaypoint(TileIndex tile, Axis axis, StationID *waypoint)
Check whether the given tile is suitable for a waypoint.
CommandCost ClearTile_Station(TileIndex tile, DoCommandFlag flags)
Clear a single tile of a station.
CommandCost CmdBuildRoadWaypoint(DoCommandFlag flags, TileIndex start_tile, Axis axis, uint8_t width, uint8_t height, RoadStopClassID spec_class, uint16_t spec_index, StationID station_to_join, bool adjacent)
Build a road waypoint on an existing road.
CommandCost CanExpandRailStation(const BaseStation *st, TileArea &new_ta)
Check whether we can expand the rail part of the given station.
Axis GetAxisForNewRailWaypoint(TileIndex tile)
Get the axis for a new rail waypoint.
static Waypoint * FindDeletedWaypointCloseTo(TileIndex tile, StringID str, CompanyID cid, bool is_road)
Find a deleted waypoint close to a tile.
Axis GetAxisForNewRoadWaypoint(TileIndex tile)
Get the axis for a new road waypoint.
CommandCost FindJoiningWaypoint(StationID existing_station, StationID station_to_join, bool adjacent, TileArea ta, Waypoint **wp, bool is_road)
Find a nearby waypoint that joins this waypoint.
CommandCost CmdBuildRailWaypoint(DoCommandFlag flags, TileIndex start_tile, Axis axis, uint8_t width, uint8_t height, StationClassID spec_class, uint16_t spec_index, StationID station_to_join, bool adjacent)
Convert existing rail to waypoint.
void GetStationLayout(uint8_t *layout, uint numtracks, uint plat_len, const StationSpec *statspec)
Create the station layout for the given number of tracks and platform length.
CommandCost CmdBuildBuoy(DoCommandFlag flags, TileIndex tile)
Build a buoy.
static bool IsUniqueWaypointName(const std::string &name)
Check whether the name is unique amongst the waypoints.
CommandCost RemoveBuoy(TileIndex tile, DoCommandFlag flags)
Remove a buoy.
CommandCost CalculateRoadStopCost(TileArea tile_area, DoCommandFlag flags, bool is_drive_through, StationType station_type, Axis axis, DiagDirection ddir, StationID *est, RoadType rt, Money unit_cost)
Calculates cost of new road stops within the area.
CommandCost RemoveRoadWaypointStop(TileIndex tile, DoCommandFlag flags, int replacement_spec_index)
Remove a road waypoint.
CommandCost CmdRenameWaypoint(DoCommandFlag flags, StationID waypoint_id, const std::string &text)
Rename a waypoint.
Command definitions related to waypoints.
void InvalidateWindowData(WindowClass cls, WindowNumber number, int data, bool gui_scope)
Mark window data of the window of a given class and specific window number as invalid (in need of re-...
Definition: window.cpp:3211
Window functions not directly related to making/drawing windows.
@ WC_WAYPOINT_VIEW
Waypoint view; Window numbers:
Definition: window_type.h:357
Entry point for OpenTTD to YAPF's cache.
void YapfNotifyTrackLayoutChange(TileIndex tile, Track track)
Use this function to notify YAPF that track layout (or signal configuration) has change.
Definition: yapf_rail.cpp:635