(svn r13226) -Feature: Allow to have more than only two airports per town. The number of airports is now controlled by the noise each of them generates, the distance from town's center and how tolerant the town is.
Initial concept : TTDPatch (moreairpots), Initial code : Pasky
Thanks to BigBB (help coding), Smatz Skidd13 and frosch for bugcatches and advices
/* $Id$ */
/** @file station_cmd.cpp Handling of station tiles. */
#include "stdafx.h"
#include "openttd.h"
#include "aircraft.h"
#include "bridge_map.h"
#include "cmd_helper.h"
#include "debug.h"
#include "tile_cmd.h"
#include "landscape.h"
#include "station_map.h"
#include "viewport_func.h"
#include "command_func.h"
#include "town.h"
#include "news_func.h"
#include "saveload.h"
#include "airport.h"
#include "sprite.h"
#include "train.h"
#include "roadveh.h"
#include "water_map.h"
#include "industry_map.h"
#include "newgrf_callbacks.h"
#include "newgrf_station.h"
#include "yapf/yapf.h"
#include "road_type.h"
#include "road_internal.h" /* For drawing catenary/checking road removal */
#include "cargotype.h"
#include "variables.h"
#include "autoslope.h"
#include "transparency.h"
#include "water.h"
#include "station_gui.h"
#include "strings_func.h"
#include "functions.h"
#include "window_func.h"
#include "date_func.h"
#include "vehicle_func.h"
#include "string_func.h"
#include "signal_func.h"
#include "oldpool_func.h"
#include "animated_tile_func.h"
#include "elrail_func.h"
#include "table/sprites.h"
#include "table/strings.h"
DEFINE_OLD_POOL_GENERIC(Station, Station)
DEFINE_OLD_POOL_GENERIC(RoadStop, RoadStop)
/**
* Check whether the given tile is a hangar.
* @param t the tile to of whether it is a hangar.
* @pre IsTileType(t, MP_STATION)
* @return true if and only if the tile is a hangar.
*/
bool IsHangar(TileIndex t)
{
assert(IsTileType(t, MP_STATION));
const Station *st = GetStationByTile(t);
const AirportFTAClass *apc = st->Airport();
for (uint i = 0; i < apc->nof_depots; i++) {
if (st->airport_tile + ToTileIndexDiff(apc->airport_depots[i]) == t) return true;
}
return false;
}
RoadStop *GetRoadStopByTile(TileIndex tile, RoadStopType type)
{
const Station *st = GetStationByTile(tile);
for (RoadStop *rs = st->GetPrimaryRoadStop(type);; rs = rs->next) {
if (rs->xy == tile) return rs;
assert(rs->next != NULL);
}
}
static uint GetNumRoadStopsInStation(const Station *st, RoadStopType type)
{
uint num = 0;
assert(st != NULL);
for (const RoadStop *rs = st->GetPrimaryRoadStop(type); rs != NULL; rs = rs->next) {
num++;
}
return num;
}
/** Calculate the radius of the station. Basicly it is the biggest
* radius that is available within the station
* @param st Station to query
* @return the so calculated radius
*/
static uint FindCatchmentRadius(const Station *st)
{
uint ret = CA_NONE;
if (st->bus_stops != NULL) ret = max<uint>(ret, CA_BUS);
if (st->truck_stops != NULL) ret = max<uint>(ret, CA_TRUCK);
if (st->train_tile != 0) ret = max<uint>(ret, CA_TRAIN);
if (st->dock_tile != 0) ret = max<uint>(ret, CA_DOCK);
if (st->airport_tile) ret = max<uint>(ret, st->Airport()->catchment);
return ret;
}
#define CHECK_STATIONS_ERR ((Station*)-1)
static Station *GetStationAround(TileIndex tile, int w, int h, StationID closest_station)
{
/* check around to see if there's any stations there */
BEGIN_TILE_LOOP(tile_cur, w + 2, h + 2, tile - TileDiffXY(1, 1))
if (IsTileType(tile_cur, MP_STATION)) {
StationID t = GetStationIndex(tile_cur);
if (closest_station == INVALID_STATION) {
closest_station = t;
} else if (closest_station != t) {
_error_message = STR_3006_ADJOINS_MORE_THAN_ONE_EXISTING;
return CHECK_STATIONS_ERR;
}
}
END_TILE_LOOP(tile_cur, w + 2, h + 2, tile - TileDiffXY(1, 1))
return (closest_station == INVALID_STATION) ? NULL : GetStation(closest_station);
}
/**
* Function to check whether the given tile matches some criterion.
* @param tile the tile to check
* @return true if it matches, false otherwise
*/
typedef bool (*CMSAMatcher)(TileIndex tile);
/**
* Counts the numbers of tiles matching a specific type in the area around
* @param tile the center tile of the 'count area'
* @param type the type of tile searched for
* @param industry when type == MP_INDUSTRY, the type of the industry,
* in all other cases this parameter is ignored
* @return the result the noumber of matching tiles around
*/
static int CountMapSquareAround(TileIndex tile, CMSAMatcher cmp)
{
int num = 0;
for (int dx = -3; dx <= 3; dx++) {
for (int dy = -3; dy <= 3; dy++) {
if (cmp(TILE_MASK(tile + TileDiffXY(dx, dy)))) num++;
}
}
return num;
}
/**
* Check whether the tile is a mine.
* @param tile the tile to investigate.
* @return true if and only if the tile is a mine
*/
static bool CMSAMine(TileIndex tile)
{
/* No industry */
if (!IsTileType(tile, MP_INDUSTRY)) return false;
const Industry *ind = GetIndustryByTile(tile);
/* No extractive industry */
if ((GetIndustrySpec(ind->type)->life_type & INDUSTRYLIFE_EXTRACTIVE) == 0) return false;
for (uint i = 0; i < lengthof(ind->produced_cargo); i++) {
/* The industry extracts something non-liquid, i.e. no oil or plastic, so it is a mine */
if (ind->produced_cargo[i] != CT_INVALID && (GetCargo(ind->produced_cargo[i])->classes & CC_LIQUID) == 0) return true;
}
return false;
}
/**
* Check whether the tile is water.
* @param tile the tile to investigate.
* @return true if and only if the tile is a mine
*/
static bool CMSAWater(TileIndex tile)
{
return IsTileType(tile, MP_WATER) && IsWater(tile);
}
/**
* Check whether the tile is a tree.
* @param tile the tile to investigate.
* @return true if and only if the tile is a mine
*/
static bool CMSATree(TileIndex tile)
{
return IsTileType(tile, MP_TREES);
}
/**
* Check whether the tile is a forest.
* @param tile the tile to investigate.
* @return true if and only if the tile is a mine
*/
static bool CMSAForest(TileIndex tile)
{
/* No industry */
if (!IsTileType(tile, MP_INDUSTRY)) return false;
const Industry *ind = GetIndustryByTile(tile);
/* No extractive industry */
if ((GetIndustrySpec(ind->type)->life_type & INDUSTRYLIFE_ORGANIC) == 0) return false;
for (uint i = 0; i < lengthof(ind->produced_cargo); i++) {
/* The industry produces wood. */
if (ind->produced_cargo[i] != CT_INVALID && GetCargo(ind->produced_cargo[i])->label == 'WOOD') return true;
}
return false;
}
#define M(x) ((x) - STR_SV_STNAME)
enum StationNaming {
STATIONNAMING_RAIL = 0,
STATIONNAMING_ROAD = 0,
STATIONNAMING_AIRPORT,
STATIONNAMING_OILRIG,
STATIONNAMING_DOCK,
STATIONNAMING_BUOY,
STATIONNAMING_HELIPORT,
};
static StringID GenerateStationName(Station *st, TileIndex tile, int flag)
{
static const uint32 _gen_station_name_bits[] = {
0, /* 0 */
1 << M(STR_SV_STNAME_AIRPORT), /* 1 */
1 << M(STR_SV_STNAME_OILFIELD), /* 2 */
1 << M(STR_SV_STNAME_DOCKS), /* 3 */
0x1FF << M(STR_SV_STNAME_BUOY_1), /* 4 */
1 << M(STR_SV_STNAME_HELIPORT), /* 5 */
};
const Town *t = st->town;
uint32 free_names = UINT32_MAX;
const Station *s;
FOR_ALL_STATIONS(s) {
if (s != st && s->town == t) {
uint str = M(s->string_id);
if (str <= 0x20) {
if (str == M(STR_SV_STNAME_FOREST)) {
str = M(STR_SV_STNAME_WOODS);
}
ClrBit(free_names, str);
}
}
}
/* check default names */
uint32 tmp = free_names & _gen_station_name_bits[flag];
if (tmp != 0) return STR_SV_STNAME + FindFirstBit(tmp);
/* check mine? */
if (HasBit(free_names, M(STR_SV_STNAME_MINES))) {
if (CountMapSquareAround(tile, CMSAMine) >= 2) {
return STR_SV_STNAME_MINES;
}
}
/* check close enough to town to get central as name? */
if (DistanceMax(tile, t->xy) < 8) {
if (HasBit(free_names, M(STR_SV_STNAME))) return STR_SV_STNAME;
if (HasBit(free_names, M(STR_SV_STNAME_CENTRAL))) return STR_SV_STNAME_CENTRAL;
}
/* Check lakeside */
if (HasBit(free_names, M(STR_SV_STNAME_LAKESIDE)) &&
DistanceFromEdge(tile) < 20 &&
CountMapSquareAround(tile, CMSAWater) >= 5) {
return STR_SV_STNAME_LAKESIDE;
}
/* Check woods */
if (HasBit(free_names, M(STR_SV_STNAME_WOODS)) && (
CountMapSquareAround(tile, CMSATree) >= 8 ||
CountMapSquareAround(tile, CMSAForest) >= 2)
) {
return _opt.landscape == LT_TROPIC ? STR_SV_STNAME_FOREST : STR_SV_STNAME_WOODS;
}
/* check elevation compared to town */
uint z = GetTileZ(tile);
uint z2 = GetTileZ(t->xy);
if (z < z2) {
if (HasBit(free_names, M(STR_SV_STNAME_VALLEY))) return STR_SV_STNAME_VALLEY;
} else if (z > z2) {
if (HasBit(free_names, M(STR_SV_STNAME_HEIGHTS))) return STR_SV_STNAME_HEIGHTS;
}
/* check direction compared to town */
static const int8 _direction_and_table[] = {
~( (1 << M(STR_SV_STNAME_WEST)) | (1 << M(STR_SV_STNAME_EAST)) | (1 << M(STR_SV_STNAME_NORTH)) ),
~( (1 << M(STR_SV_STNAME_SOUTH)) | (1 << M(STR_SV_STNAME_WEST)) | (1 << M(STR_SV_STNAME_NORTH)) ),
~( (1 << M(STR_SV_STNAME_SOUTH)) | (1 << M(STR_SV_STNAME_EAST)) | (1 << M(STR_SV_STNAME_NORTH)) ),
~( (1 << M(STR_SV_STNAME_SOUTH)) | (1 << M(STR_SV_STNAME_WEST)) | (1 << M(STR_SV_STNAME_EAST)) ),
};
free_names &= _direction_and_table[
(TileX(tile) < TileX(t->xy)) +
(TileY(tile) < TileY(t->xy)) * 2];
tmp = free_names & ((1 << 1) | (1 << 2) | (1 << 3) | (1 << 4) | (1 << 6) | (1 << 7) | (1 << 12) | (1 << 26) | (1 << 27) | (1 << 28) | (1 << 29) | (1 << 30));
return (tmp == 0) ? STR_SV_STNAME_FALLBACK : (STR_SV_STNAME + FindFirstBit(tmp));
}
#undef M
static Station *GetClosestStationFromTile(TileIndex tile)
{
uint threshold = 8;
Station *best_station = NULL;
Station *st;
FOR_ALL_STATIONS(st) {
if (st->facilities == 0 && st->owner == _current_player) {
uint cur_dist = DistanceManhattan(tile, st->xy);
if (cur_dist < threshold) {
threshold = cur_dist;
best_station = st;
}
}
}
return best_station;
}
/** Update the virtual coords needed to draw the station sign.
* @param st Station to update for.
*/
static void UpdateStationVirtCoord(Station *st)
{
Point pt = RemapCoords2(TileX(st->xy) * TILE_SIZE, TileY(st->xy) * TILE_SIZE);
pt.y -= 32;
if (st->facilities & FACIL_AIRPORT && st->airport_type == AT_OILRIG) pt.y -= 16;
SetDParam(0, st->index);
SetDParam(1, st->facilities);
UpdateViewportSignPos(&st->sign, pt.x, pt.y, STR_305C_0);
}
/** Update the virtual coords needed to draw the station sign for all stations. */
void UpdateAllStationVirtCoord()
{
Station *st;
FOR_ALL_STATIONS(st) {
UpdateStationVirtCoord(st);
}
}
/**
* Update the station virt coords while making the modified parts dirty.
*
* This function updates the virt coords and mark the modified parts as dirty
*
* @param st The station to update the virt coords
* @ingroup dirty
*/
static void UpdateStationVirtCoordDirty(Station *st)
{
st->MarkDirty();
UpdateStationVirtCoord(st);
st->MarkDirty();
}
/** Get a mask of the cargo types that the station accepts.
* @param st Station to query
* @return the expected mask
*/
static uint GetAcceptanceMask(const Station *st)
{
uint mask = 0;
for (CargoID i = 0; i < NUM_CARGO; i++) {
if (HasBit(st->goods[i].acceptance_pickup, GoodsEntry::ACCEPTANCE)) mask |= 1 << i;
}
return mask;
}
/** Items contains the two cargo names that are to be accepted or rejected.
* msg is the string id of the message to display.
*/
static void ShowRejectOrAcceptNews(const Station *st, uint num_items, CargoID *cargo, StringID msg)
{
for (uint i = 0; i < num_items; i++) {
SetDParam(i + 1, GetCargo(cargo[i])->name);
}
SetDParam(0, st->index);
AddNewsItem(msg, NS_ACCEPTANCE, st->xy, 0);
}
/**
* Get a list of the cargo types being produced around the tile (in a rectangle).
* @param produced: Destination array of produced cargo
* @param tile: Center of the search area
* @param w: Width of the center
* @param h: Height of the center
* @param rad: Radius of the search area
*/
void GetProductionAroundTiles(AcceptedCargo produced, TileIndex tile,
int w, int h, int rad)
{
memset(produced, 0, sizeof(AcceptedCargo));
int x = TileX(tile);
int y = TileY(tile);
/* expand the region by rad tiles on each side
* while making sure that we remain inside the board. */
int x2 = min(x + w + rad, MapSizeX());
int x1 = max(x - rad, 0);
int y2 = min(y + h + rad, MapSizeY());
int y1 = max(y - rad, 0);
assert(x1 < x2);
assert(y1 < y2);
assert(w > 0);
assert(h > 0);
for (int yc = y1; yc != y2; yc++) {
for (int xc = x1; xc != x2; xc++) {
TileIndex tile = TileXY(xc, yc);
if (!IsTileType(tile, MP_STATION)) {
GetProducedCargoProc *gpc = _tile_type_procs[GetTileType(tile)]->get_produced_cargo_proc;
if (gpc != NULL) {
CargoID cargos[256]; // Required for CBID_HOUSE_PRODUCE_CARGO.
memset(cargos, CT_INVALID, 256);
gpc(tile, cargos);
for (uint i = 0; i < lengthof(cargos); ++i) {
if (cargos[i] != CT_INVALID) produced[cargos[i]]++;
}
}
}
}
}
}
/**
* Get a list of the cargo types that are accepted around the tile.
* @param accepts: Destination array of accepted cargo
* @param tile: Center of the search area
* @param w: Width of the center
* @param h: Height of the center
* @param rad: Radius of the rectangular search area
*/
void GetAcceptanceAroundTiles(AcceptedCargo accepts, TileIndex tile,
int w, int h, int rad)
{
memset(accepts, 0, sizeof(AcceptedCargo));
int x = TileX(tile);
int y = TileY(tile);
/* expand the region by rad tiles on each side
* while making sure that we remain inside the board. */
int x2 = min(x + w + rad, MapSizeX());
int y2 = min(y + h + rad, MapSizeY());
int x1 = max(x - rad, 0);
int y1 = max(y - rad, 0);
assert(x1 < x2);
assert(y1 < y2);
assert(w > 0);
assert(h > 0);
for (int yc = y1; yc != y2; yc++) {
for (int xc = x1; xc != x2; xc++) {
TileIndex tile = TileXY(xc, yc);
if (!IsTileType(tile, MP_STATION)) {
AcceptedCargo ac;
GetAcceptedCargo(tile, ac);
for (uint i = 0; i < lengthof(ac); ++i) accepts[i] += ac[i];
}
}
}
}
static inline void MergePoint(Rect *rect, TileIndex tile)
{
int x = TileX(tile);
int y = TileY(tile);
if (rect->left > x) rect->left = x;
if (rect->bottom > y) rect->bottom = y;
if (rect->right < x) rect->right = x;
if (rect->top < y) rect->top = y;
}
/** Update the acceptance for a station.
* @param st Station to update
* @param show_msg controls whether to display a message that acceptance was changed.
*/
static void UpdateStationAcceptance(Station *st, bool show_msg)
{
/* Don't update acceptance for a buoy */
if (st->IsBuoy()) return;
Rect rect;
rect.left = MapSizeX();
rect.bottom = MapSizeY();
rect.right = 0;
rect.top = 0;
/* old accepted goods types */
uint old_acc = GetAcceptanceMask(st);
/* Put all the tiles that span an area in the table. */
if (st->train_tile != 0) {
MergePoint(&rect, st->train_tile);
MergePoint(&rect, st->train_tile + TileDiffXY(st->trainst_w - 1, st->trainst_h - 1));
}
if (st->airport_tile != 0) {
const AirportFTAClass *afc = st->Airport();
MergePoint(&rect, st->airport_tile);
MergePoint(&rect, st->airport_tile + TileDiffXY(afc->size_x - 1, afc->size_y - 1));
}
if (st->dock_tile != 0) MergePoint(&rect, st->dock_tile);
for (const RoadStop *rs = st->bus_stops; rs != NULL; rs = rs->next) {
MergePoint(&rect, rs->xy);
}
for (const RoadStop *rs = st->truck_stops; rs != NULL; rs = rs->next) {
MergePoint(&rect, rs->xy);
}
/* And retrieve the acceptance. */
AcceptedCargo accepts;
if (rect.right >= rect.left) {
GetAcceptanceAroundTiles(
accepts,
TileXY(rect.left, rect.bottom),
rect.right - rect.left + 1,
rect.top - rect.bottom + 1,
_patches.modified_catchment ? FindCatchmentRadius(st) : (uint)CA_UNMODIFIED
);
} else {
memset(accepts, 0, sizeof(accepts));
}
/* Adjust in case our station only accepts fewer kinds of goods */
for (CargoID i = 0; i < NUM_CARGO; i++) {
uint amt = min(accepts[i], 15);
/* Make sure the station can accept the goods type. */
bool is_passengers = IsCargoInClass(i, CC_PASSENGERS);
if ((!is_passengers && !(st->facilities & (byte)~FACIL_BUS_STOP)) ||
(is_passengers && !(st->facilities & (byte)~FACIL_TRUCK_STOP))) {
amt = 0;
}
SB(st->goods[i].acceptance_pickup, GoodsEntry::ACCEPTANCE, 1, amt >= 8);
}
/* Only show a message in case the acceptance was actually changed. */
uint new_acc = GetAcceptanceMask(st);
if (old_acc == new_acc) return;
/* show a message to report that the acceptance was changed? */
if (show_msg && st->owner == _local_player && st->facilities) {
/* List of accept and reject strings for different number of
* cargo types */
static const StringID accept_msg[] = {
STR_3040_NOW_ACCEPTS,
STR_3041_NOW_ACCEPTS_AND,
};
static const StringID reject_msg[] = {
STR_303E_NO_LONGER_ACCEPTS,
STR_303F_NO_LONGER_ACCEPTS_OR,
};
/* Array of accepted and rejected cargo types */
CargoID accepts[2] = { CT_INVALID, CT_INVALID };
CargoID rejects[2] = { CT_INVALID, CT_INVALID };
uint num_acc = 0;
uint num_rej = 0;
/* Test each cargo type to see if its acceptange has changed */
for (CargoID i = 0; i < NUM_CARGO; i++) {
if (HasBit(new_acc, i)) {
if (!HasBit(old_acc, i) && num_acc < lengthof(accepts)) {
/* New cargo is accepted */
accepts[num_acc++] = i;
}
} else {
if (HasBit(old_acc, i) && num_rej < lengthof(rejects)) {
/* Old cargo is no longer accepted */
rejects[num_rej++] = i;
}
}
}
/* Show news message if there are any changes */
if (num_acc > 0) ShowRejectOrAcceptNews(st, num_acc, accepts, accept_msg[num_acc - 1]);
if (num_rej > 0) ShowRejectOrAcceptNews(st, num_rej, rejects, reject_msg[num_rej - 1]);
}
/* redraw the station view since acceptance changed */
InvalidateWindowWidget(WC_STATION_VIEW, st->index, SVW_ACCEPTLIST);
}
static void UpdateStationSignCoord(Station *st)
{
const StationRect *r = &st->rect;
if (r->IsEmpty()) return; /* no tiles belong to this station */
/* clamp sign coord to be inside the station rect */
st->xy = TileXY(ClampU(TileX(st->xy), r->left, r->right), ClampU(TileY(st->xy), r->top, r->bottom));
UpdateStationVirtCoordDirty(st);
}
/** This is called right after a station was deleted.
* It checks if the whole station is free of substations, and if so, the station will be
* deleted after a little while.
* @param st Station
*/
static void DeleteStationIfEmpty(Station *st)
{
if (st->facilities == 0) {
st->delete_ctr = 0;
InvalidateWindowData(WC_STATION_LIST, st->owner, 0);
}
/* station remains but it probably lost some parts - station sign should stay in the station boundaries */
UpdateStationSignCoord(st);
}
static CommandCost ClearTile_Station(TileIndex tile, byte flags);
/** Tries to clear the given area.
* @param tile TileIndex to start check
* @param w width of search area
* @param h height of search area
* @param flags operation to perform
* @param invalid_dirs prohibited directions (set of DiagDirections)
* @param station StationID to be queried and returned if available
* @param check_clear if clearing tile should be performed (in wich case, cost will be added)
* @return the cost in case of success, or an error code if it failed.
*/
CommandCost CheckFlatLandBelow(TileIndex tile, uint w, uint h, uint flags, uint invalid_dirs, StationID *station, bool check_clear = true)
{
CommandCost cost(EXPENSES_CONSTRUCTION);
int allowed_z = -1;
BEGIN_TILE_LOOP(tile_cur, w, h, tile) {
if (MayHaveBridgeAbove(tile_cur) && IsBridgeAbove(tile_cur)) {
return_cmd_error(STR_5007_MUST_DEMOLISH_BRIDGE_FIRST);
}
if (!EnsureNoVehicleOnGround(tile_cur)) return CMD_ERROR;
uint z;
Slope tileh = GetTileSlope(tile_cur, &z);
/* Prohibit building if
* 1) The tile is "steep" (i.e. stretches two height levels)
* -OR-
* 2) The tile is non-flat if
* a) the player building is an "old-school" AI
* -OR-
* b) the build_on_slopes switch is disabled
*/
if (IsSteepSlope(tileh) ||
((_is_old_ai_player || !_patches.build_on_slopes) && tileh != SLOPE_FLAT)) {
return_cmd_error(STR_0007_FLAT_LAND_REQUIRED);
}
int flat_z = z;
if (tileh != SLOPE_FLAT) {
/* need to check so the entrance to the station is not pointing at a slope.
* This must be valid for all station tiles, as the user can remove single station tiles. */
if ((HasBit(invalid_dirs, DIAGDIR_NE) && !(tileh & SLOPE_NE)) ||
(HasBit(invalid_dirs, DIAGDIR_SE) && !(tileh & SLOPE_SE)) ||
(HasBit(invalid_dirs, DIAGDIR_SW) && !(tileh & SLOPE_SW)) ||
(HasBit(invalid_dirs, DIAGDIR_NW) && !(tileh & SLOPE_NW))) {
return_cmd_error(STR_0007_FLAT_LAND_REQUIRED);
}
cost.AddCost(_price.terraform);
flat_z += TILE_HEIGHT;
}
/* get corresponding flat level and make sure that all parts of the station have the same level. */
if (allowed_z == -1) {
/* first tile */
allowed_z = flat_z;
} else if (allowed_z != flat_z) {
return_cmd_error(STR_0007_FLAT_LAND_REQUIRED);
}
/* if station is set, then we have special handling to allow building on top of already existing stations.
* so station points to INVALID_STATION if we can build on any station.
* Or it points to a station if we're only allowed to build on exactly that station. */
if (station != NULL && IsTileType(tile_cur, MP_STATION)) {
if (!IsRailwayStation(tile_cur)) {
return ClearTile_Station(tile_cur, DC_AUTO); // get error message
} else {
StationID st = GetStationIndex(tile_cur);
if (*station == INVALID_STATION) {
*station = st;
} else if (*station != st) {
return_cmd_error(STR_3006_ADJOINS_MORE_THAN_ONE_EXISTING);
}
}
} else if (check_clear) {
CommandCost ret = DoCommand(tile_cur, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
if (CmdFailed(ret)) return ret;
cost.AddCost(ret);
}
} END_TILE_LOOP(tile_cur, w, h, tile)
return cost;
}
static bool CanExpandRailroadStation(const Station *st, uint *fin, Axis axis)
{
uint curw = st->trainst_w;
uint curh = st->trainst_h;
TileIndex tile = fin[0];
uint w = fin[1];
uint h = fin[2];
if (_patches.nonuniform_stations) {
/* determine new size of train station region.. */
int x = min(TileX(st->train_tile), TileX(tile));
int y = min(TileY(st->train_tile), TileY(tile));
curw = max(TileX(st->train_tile) + curw, TileX(tile) + w) - x;
curh = max(TileY(st->train_tile) + curh, TileY(tile) + h) - y;
tile = TileXY(x, y);
} else {
/* do not allow modifying non-uniform stations,
* the uniform-stations code wouldn't handle it well */
BEGIN_TILE_LOOP(t, st->trainst_w, st->trainst_h, st->train_tile)
if (!st->TileBelongsToRailStation(t)) { // there may be adjoined station
_error_message = STR_NONUNIFORM_STATIONS_DISALLOWED;
return false;
}
END_TILE_LOOP(t, st->trainst_w, st->trainst_h, st->train_tile)
/* check so the orientation is the same */
if (GetRailStationAxis(st->train_tile) != axis) {
_error_message = STR_NONUNIFORM_STATIONS_DISALLOWED;
return false;
}
/* check if the new station adjoins the old station in either direction */
if (curw == w && st->train_tile == tile + TileDiffXY(0, h)) {
/* above */
curh += h;
} else if (curw == w && st->train_tile == tile - TileDiffXY(0, curh)) {
/* below */
tile -= TileDiffXY(0, curh);
curh += h;
} else if (curh == h && st->train_tile == tile + TileDiffXY(w, 0)) {
/* to the left */
curw += w;
} else if (curh == h && st->train_tile == tile - TileDiffXY(curw, 0)) {
/* to the right */
tile -= TileDiffXY(curw, 0);
curw += w;
} else {
_error_message = STR_NONUNIFORM_STATIONS_DISALLOWED;
return false;
}
}
/* make sure the final size is not too big. */
if (curw > _patches.station_spread || curh > _patches.station_spread) {
_error_message = STR_306C_STATION_TOO_SPREAD_OUT;
return false;
}
/* now tile contains the new value for st->train_tile
* curw, curh contain the new value for width and height */
fin[0] = tile;
fin[1] = curw;
fin[2] = curh;
return true;
}
static inline byte *CreateSingle(byte *layout, int n)
{
int i = n;
do *layout++ = 0; while (--i);
layout[((n - 1) >> 1) - n] = 2;
return layout;
}
static inline byte *CreateMulti(byte *layout, int n, byte b)
{
int i = n;
do *layout++ = b; while (--i);
if (n > 4) {
layout[0 - n] = 0;
layout[n - 1 - n] = 0;
}
return layout;
}
static void GetStationLayout(byte *layout, int numtracks, int plat_len, const StationSpec *statspec)
{
if (statspec != NULL && statspec->lengths >= plat_len &&
statspec->platforms[plat_len - 1] >= numtracks &&
statspec->layouts[plat_len - 1][numtracks - 1]) {
/* Custom layout defined, follow it. */
memcpy(layout, statspec->layouts[plat_len - 1][numtracks - 1],
plat_len * numtracks);
return;
}
if (plat_len == 1) {
CreateSingle(layout, numtracks);
} else {
if (numtracks & 1) layout = CreateSingle(layout, plat_len);
numtracks >>= 1;
while (--numtracks >= 0) {
layout = CreateMulti(layout, plat_len, 4);
layout = CreateMulti(layout, plat_len, 6);
}
}
}
/** Build railroad station
* @param tile_org starting position of station dragging/placement
* @param flags operation to perform
* @param p1 various bitstuffed elements
* - p1 = (bit 0) - orientation (Axis)
* - p1 = (bit 8-15) - number of tracks
* - p1 = (bit 16-23) - platform length
* - p1 = (bit 24) - allow stations directly adjacent to other stations.
* @param p2 various bitstuffed elements
* - p2 = (bit 0- 3) - railtype (p2 & 0xF)
* - p2 = (bit 8-15) - custom station class
* - p2 = (bit 16-23) - custom station id
*/
CommandCost CmdBuildRailroadStation(TileIndex tile_org, uint32 flags, uint32 p1, uint32 p2)
{
/* Does the authority allow this? */
if (!(flags & DC_NO_TOWN_RATING) && !CheckIfAuthorityAllows(tile_org)) return CMD_ERROR;
if (!ValParamRailtype((RailType)(p2 & 0xF))) return CMD_ERROR;
/* unpack parameters */
Axis axis = Extract<Axis, 0>(p1);
uint numtracks = GB(p1, 8, 8);
uint plat_len = GB(p1, 16, 8);
int w_org, h_org;
if (axis == AXIS_X) {
w_org = plat_len;
h_org = numtracks;
} else {
h_org = plat_len;
w_org = numtracks;
}
if (h_org > _patches.station_spread || w_org > _patches.station_spread) return CMD_ERROR;
/* these values are those that will be stored in train_tile and station_platforms */
uint finalvalues[3];
finalvalues[0] = tile_org;
finalvalues[1] = w_org;
finalvalues[2] = h_org;
/* Make sure the area below consists of clear tiles. (OR tiles belonging to a certain rail station) */
StationID est = INVALID_STATION;
/* If DC_EXEC is in flag, do not want to pass it to CheckFlatLandBelow, because of a nice bug
* for detail info, see:
* https://sourceforge.net/tracker/index.php?func=detail&aid=1029064&group_id=103924&atid=636365 */
CommandCost ret = CheckFlatLandBelow(tile_org, w_org, h_org, flags & ~DC_EXEC, 5 << axis, _patches.nonuniform_stations ? &est : NULL);
if (CmdFailed(ret)) return ret;
CommandCost cost(EXPENSES_CONSTRUCTION, ret.GetCost() + (numtracks * _price.train_station_track + _price.train_station_length) * plat_len);
Station *st = NULL;
bool check_surrounding = true;
if (_patches.adjacent_stations) {
if (est != INVALID_STATION) {
if (HasBit(p1, 24)) {
/* You can't build an adjacent station over the top of one that
* already exists. */
return_cmd_error(STR_MUST_REMOVE_RAILWAY_STATION_FIRST);
} else {
/* Extend the current station, and don't check whether it will
* be near any other stations. */
st = GetStation(est);
check_surrounding = false;
}
} else {
/* There's no station here. Don't check the tiles surrounding this
* one if the player wanted to build an adjacent station. */
if (HasBit(p1, 24)) check_surrounding = false;
}
}
if (check_surrounding) {
/* Make sure there are no similar stations around us. */
st = GetStationAround(tile_org, w_org, h_org, est);
if (st == CHECK_STATIONS_ERR) return CMD_ERROR;
}
/* See if there is a deleted station close to us. */
if (st == NULL) st = GetClosestStationFromTile(tile_org);
if (st != NULL) {
/* Reuse an existing station. */
if (st->owner != _current_player)
return_cmd_error(STR_3009_TOO_CLOSE_TO_ANOTHER_STATION);
if (st->train_tile != 0) {
/* check if we want to expanding an already existing station? */
if (_is_old_ai_player || !_patches.join_stations)
return_cmd_error(STR_3005_TOO_CLOSE_TO_ANOTHER_RAILROAD);
if (!CanExpandRailroadStation(st, finalvalues, axis))
return CMD_ERROR;
}
/* XXX can't we pack this in the "else" part of the if above? */
if (!st->rect.BeforeAddRect(tile_org, w_org, h_org, StationRect::ADD_TEST)) return CMD_ERROR;
} else {
/* allocate and initialize new station */
if (!Station::CanAllocateItem()) return_cmd_error(STR_3008_TOO_MANY_STATIONS_LOADING);
if (flags & DC_EXEC) {
st = new Station(tile_org);
st->town = ClosestTownFromTile(tile_org, UINT_MAX);
st->string_id = GenerateStationName(st, tile_org, STATIONNAMING_RAIL);
if (IsValidPlayer(_current_player)) {
SetBit(st->town->have_ratings, _current_player);
}
}
}
/* Check if the given station class is valid */
if (GB(p2, 8, 8) >= GetNumStationClasses()) return CMD_ERROR;
/* Check if we can allocate a custom stationspec to this station */
const StationSpec *statspec = GetCustomStationSpec((StationClassID)GB(p2, 8, 8), GB(p2, 16, 8));
int specindex = AllocateSpecToStation(statspec, st, flags & DC_EXEC);
if (specindex == -1) return CMD_ERROR;
if (statspec != NULL) {
/* Perform NewStation checks */
/* Check if the station size is permitted */
if (HasBit(statspec->disallowed_platforms, numtracks - 1) || HasBit(statspec->disallowed_lengths, plat_len - 1)) {
return CMD_ERROR;
}
/* Check if the station is buildable */
if (HasBit(statspec->callbackmask, CBM_STATION_AVAIL) && GB(GetStationCallback(CBID_STATION_AVAILABILITY, 0, 0, statspec, NULL, INVALID_TILE), 0, 8) == 0) {
return CMD_ERROR;
}
}
if (flags & DC_EXEC) {
TileIndexDiff tile_delta;
byte *layout_ptr;
byte numtracks_orig;
Track track;
/* Now really clear the land below the station
* It should never return CMD_ERROR.. but you never know ;)
* (a bit strange function name for it, but it really does clear the land, when DC_EXEC is in flags) */
ret = CheckFlatLandBelow(tile_org, w_org, h_org, flags, 5 << axis, _patches.nonuniform_stations ? &est : NULL);
if (CmdFailed(ret)) return ret;
st->train_tile = finalvalues[0];
st->AddFacility(FACIL_TRAIN, finalvalues[0]);
st->trainst_w = finalvalues[1];
st->trainst_h = finalvalues[2];
st->rect.BeforeAddRect(tile_org, w_org, h_org, StationRect::ADD_TRY);
if (statspec != NULL) {
/* Include this station spec's animation trigger bitmask
* in the station's cached copy. */
st->cached_anim_triggers |= statspec->anim_triggers;
}
tile_delta = (axis == AXIS_X ? TileDiffXY(1, 0) : TileDiffXY(0, 1));
track = AxisToTrack(axis);
layout_ptr = (byte*)alloca(numtracks * plat_len);
GetStationLayout(layout_ptr, numtracks, plat_len, statspec);
numtracks_orig = numtracks;
do {
TileIndex tile = tile_org;
int w = plat_len;
do {
byte layout = *layout_ptr++;
MakeRailStation(tile, st->owner, st->index, axis, layout & ~1, (RailType)GB(p2, 0, 4));
SetCustomStationSpecIndex(tile, specindex);
SetStationTileRandomBits(tile, GB(Random(), 0, 4));
SetStationAnimationFrame(tile, 0);
if (statspec != NULL) {
/* Use a fixed axis for GetPlatformInfo as our platforms / numtracks are always the right way around */
uint32 platinfo = GetPlatformInfo(AXIS_X, 0, plat_len, numtracks_orig, plat_len - w, numtracks_orig - numtracks, false);
/* As the station is not yet completely finished, the station does not yet exist. */
uint16 callback = GetStationCallback(CBID_STATION_TILE_LAYOUT, platinfo, 0, statspec, NULL, tile);
if (callback != CALLBACK_FAILED && callback < 8) SetStationGfx(tile, (callback & ~1) + axis);
/* Trigger station animation -- after building? */
StationAnimationTrigger(st, tile, STAT_ANIM_BUILT);
}
tile += tile_delta;
} while (--w);
AddTrackToSignalBuffer(tile_org, track, _current_player);
YapfNotifyTrackLayoutChange(tile_org, track);
tile_org += tile_delta ^ TileDiffXY(1, 1); // perpendicular to tile_delta
} while (--numtracks);
st->MarkTilesDirty(false);
UpdateStationVirtCoordDirty(st);
UpdateStationAcceptance(st, false);
InvalidateWindowData(WC_STATION_LIST, st->owner, 0);
InvalidateWindowWidget(WC_STATION_VIEW, st->index, SVW_TRAINS);
}
return cost;
}
static void MakeRailwayStationAreaSmaller(Station *st)
{
uint w = st->trainst_w;
uint h = st->trainst_h;
TileIndex tile = st->train_tile;
restart:
/* too small? */
if (w != 0 && h != 0) {
/* check the left side, x = constant, y changes */
for (uint i = 0; !st->TileBelongsToRailStation(tile + TileDiffXY(0, i));) {
/* the left side is unused? */
if (++i == h) {
tile += TileDiffXY(1, 0);
w--;
goto restart;
}
}
/* check the right side, x = constant, y changes */
for (uint i = 0; !st->TileBelongsToRailStation(tile + TileDiffXY(w - 1, i));) {
/* the right side is unused? */
if (++i == h) {
w--;
goto restart;
}
}
/* check the upper side, y = constant, x changes */
for (uint i = 0; !st->TileBelongsToRailStation(tile + TileDiffXY(i, 0));) {
/* the left side is unused? */
if (++i == w) {
tile += TileDiffXY(0, 1);
h--;
goto restart;
}
}
/* check the lower side, y = constant, x changes */
for (uint i = 0; !st->TileBelongsToRailStation(tile + TileDiffXY(i, h - 1));) {
/* the left side is unused? */
if (++i == w) {
h--;
goto restart;
}
}
} else {
tile = 0;
}
st->trainst_w = w;
st->trainst_h = h;
st->train_tile = tile;
}
/** Remove a single tile from a railroad station.
* This allows for custom-built station with holes and weird layouts
* @param tile tile of station piece to remove
* @param flags operation to perform
* @param p1 start_tile
* @param p2 unused
*/
CommandCost CmdRemoveFromRailroadStation(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
{
TileIndex start = p1 == 0 ? tile : p1;
/* Count of the number of tiles removed */
int quantity = 0;
if (tile >= MapSize() || start >= MapSize()) return CMD_ERROR;
/* make sure sx,sy are smaller than ex,ey */
int ex = TileX(tile);
int ey = TileY(tile);
int sx = TileX(start);
int sy = TileY(start);
if (ex < sx) Swap(ex, sx);
if (ey < sy) Swap(ey, sy);
tile = TileXY(sx, sy);
int size_x = ex - sx + 1;
int size_y = ey - sy + 1;
/* Do the action for every tile into the area */
BEGIN_TILE_LOOP(tile2, size_x, size_y, tile) {
/* Make sure the specified tile is a railroad station */
if (!IsTileType(tile2, MP_STATION) || !IsRailwayStation(tile2)) {
continue;
}
/* If there is a vehicle on ground, do not allow to remove (flood) the tile */
if (!EnsureNoVehicleOnGround(tile2)) {
continue;
}
/* Check ownership of station */
Station *st = GetStationByTile(tile2);
if (_current_player != OWNER_WATER && !CheckOwnership(st->owner)) {
continue;
}
/* Do not allow removing from stations if non-uniform stations are not enabled
* The check must be here to give correct error message
*/
if (!_patches.nonuniform_stations) return_cmd_error(STR_NONUNIFORM_STATIONS_DISALLOWED);
/* If we reached here, the tile is valid so increase the quantity of tiles we will remove */
quantity++;
if (flags & DC_EXEC) {
/* read variables before the station tile is removed */
uint specindex = GetCustomStationSpecIndex(tile2);
Track track = GetRailStationTrack(tile2);
Owner owner = GetTileOwner(tile2);
DoClearSquare(tile2);
st->rect.AfterRemoveTile(st, tile2);
AddTrackToSignalBuffer(tile2, track, owner);
YapfNotifyTrackLayoutChange(tile2, track);
DeallocateSpecFromStation(st, specindex);
/* now we need to make the "spanned" area of the railway station smaller
* if we deleted something at the edges.
* we also need to adjust train_tile. */
MakeRailwayStationAreaSmaller(st);
st->MarkTilesDirty(false);
UpdateStationSignCoord(st);
/* if we deleted the whole station, delete the train facility. */
if (st->train_tile == 0) {
st->facilities &= ~FACIL_TRAIN;
InvalidateWindowWidget(WC_STATION_VIEW, st->index, SVW_TRAINS);
UpdateStationVirtCoordDirty(st);
DeleteStationIfEmpty(st);
}
}
} END_TILE_LOOP(tile2, size_x, size_y, tile)
/* If we've not removed any tiles, give an error */
if (quantity == 0) return CMD_ERROR;
return CommandCost(EXPENSES_CONSTRUCTION, _price.remove_rail_station * quantity);
}
static CommandCost RemoveRailroadStation(Station *st, TileIndex tile, uint32 flags)
{
/* if there is flooding and non-uniform stations are enabled, remove platforms tile by tile */
if (_current_player == OWNER_WATER && _patches.nonuniform_stations) {
return DoCommand(tile, 0, 0, DC_EXEC, CMD_REMOVE_FROM_RAILROAD_STATION);
}
/* Current player owns the station? */
if (_current_player != OWNER_WATER && !CheckOwnership(st->owner)) return CMD_ERROR;
/* determine width and height of platforms */
tile = st->train_tile;
int w = st->trainst_w;
int h = st->trainst_h;
assert(w != 0 && h != 0);
CommandCost cost(EXPENSES_CONSTRUCTION);
/* clear all areas of the station */
do {
int w_bak = w;
do {
/* for nonuniform stations, only remove tiles that are actually train station tiles */
if (st->TileBelongsToRailStation(tile)) {
if (!EnsureNoVehicleOnGround(tile))
return CMD_ERROR;
cost.AddCost(_price.remove_rail_station);
if (flags & DC_EXEC) {
/* read variables before the station tile is removed */
Track track = GetRailStationTrack(tile);
Owner owner = GetTileOwner(tile); // _current_player can be OWNER_WATER
DoClearSquare(tile);
AddTrackToSignalBuffer(tile, track, owner);
YapfNotifyTrackLayoutChange(tile, track);
}
}
tile += TileDiffXY(1, 0);
} while (--w);
w = w_bak;
tile += TileDiffXY(-w, 1);
} while (--h);
if (flags & DC_EXEC) {
st->rect.AfterRemoveRect(st, st->train_tile, st->trainst_w, st->trainst_h);
st->train_tile = 0;
st->trainst_w = st->trainst_h = 0;
st->facilities &= ~FACIL_TRAIN;
free(st->speclist);
st->num_specs = 0;
st->speclist = NULL;
st->cached_anim_triggers = 0;
InvalidateWindowWidget(WC_STATION_VIEW, st->index, SVW_TRAINS);
UpdateStationVirtCoordDirty(st);
DeleteStationIfEmpty(st);
}
return cost;
}
/**
* @param truck_station Determines whether a stop is ROADSTOP_BUS or ROADSTOP_TRUCK
* @param st The Station to do the whole procedure for
* @return a pointer to where to link a new RoadStop*
*/
static RoadStop **FindRoadStopSpot(bool truck_station, Station *st)
{
RoadStop **primary_stop = (truck_station) ? &st->truck_stops : &st->bus_stops;
if (*primary_stop == NULL) {
/* we have no roadstop of the type yet, so write a "primary stop" */
return primary_stop;
} else {
/* there are stops already, so append to the end of the list */
RoadStop *stop = *primary_stop;
while (stop->next != NULL) stop = stop->next;
return &stop->next;
}
}
/** Build a bus or truck stop
* @param tile tile to build the stop at
* @param flags operation to perform
* @param p1 entrance direction (DiagDirection)
* @param p2 bit 0: 0 for Bus stops, 1 for truck stops
* bit 1: 0 for normal, 1 for drive-through
* bit 2..4: the roadtypes
* bit 5: allow stations directly adjacent to other stations.
*/
CommandCost CmdBuildRoadStop(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
{
bool type = HasBit(p2, 0);
bool is_drive_through = HasBit(p2, 1);
bool build_over_road = is_drive_through && IsNormalRoadTile(tile);
bool town_owned_road = build_over_road && IsTileOwner(tile, OWNER_TOWN);
RoadTypes rts = (RoadTypes)GB(p2, 2, 3);
if (!AreValidRoadTypes(rts) || !HasRoadTypesAvail(_current_player, rts)) return CMD_ERROR;
/* Trams only have drive through stops */
if (!is_drive_through && HasBit(rts, ROADTYPE_TRAM)) return CMD_ERROR;
/* Saveguard the parameters */
if (!IsValidDiagDirection((DiagDirection)p1)) return CMD_ERROR;
/* If it is a drive-through stop check for valid axis */
if (is_drive_through && !IsValidAxis((Axis)p1)) return CMD_ERROR;
/* Road bits in the wrong direction */
if (build_over_road && (GetAllRoadBits(tile) & ((Axis)p1 == AXIS_X ? ROAD_Y : ROAD_X)) != 0) return_cmd_error(STR_DRIVE_THROUGH_ERROR_DIRECTION);
if (!(flags & DC_NO_TOWN_RATING) && !CheckIfAuthorityAllows(tile)) return CMD_ERROR;
/* Not allowed to build over this road */
if (build_over_road) {
if (IsTileOwner(tile, OWNER_TOWN) && !_patches.road_stop_on_town_road) return_cmd_error(STR_DRIVE_THROUGH_ERROR_ON_TOWN_ROAD);
RoadTypes cur_rts = GetRoadTypes(tile);
/* there is a road, check if we can build road+tram stop over it */
if (HasBit(cur_rts, ROADTYPE_ROAD)) {
Owner road_owner = GetRoadOwner(tile, ROADTYPE_ROAD);
if (road_owner != OWNER_TOWN && road_owner != OWNER_NONE && !CheckOwnership(road_owner)) return CMD_ERROR;
}
/* there is a tram, check if we can build road+tram stop over it */
if (HasBit(cur_rts, ROADTYPE_TRAM)) {
Owner tram_owner = GetRoadOwner(tile, ROADTYPE_TRAM);
if (tram_owner != OWNER_NONE && !CheckOwnership(tram_owner)) return CMD_ERROR;
}
/* Don't allow building the roadstop when vehicles are already driving on it */
if (!EnsureNoVehicleOnGround(tile)) return CMD_ERROR;
/* Do not remove roadtypes! */
rts |= cur_rts;
}
CommandCost cost = CheckFlatLandBelow(tile, 1, 1, flags, is_drive_through ? 5 << p1 : 1 << p1, NULL, !build_over_road);
if (CmdFailed(cost)) return cost;
Station *st = NULL;
if (!_patches.adjacent_stations || !HasBit(p2, 5)) {
st = GetStationAround(tile, 1, 1, INVALID_STATION);
if (st == CHECK_STATIONS_ERR) return CMD_ERROR;
}
/* Find a station close to us */
if (st == NULL) st = GetClosestStationFromTile(tile);
/* give us a road stop in the list, and check if something went wrong */
if (!RoadStop::CanAllocateItem()) return_cmd_error(type ? STR_TOO_MANY_TRUCK_STOPS : STR_TOO_MANY_BUS_STOPS);
if (st != NULL &&
GetNumRoadStopsInStation(st, ROADSTOP_BUS) + GetNumRoadStopsInStation(st, ROADSTOP_TRUCK) >= RoadStop::LIMIT) {
return_cmd_error(type ? STR_TOO_MANY_TRUCK_STOPS : STR_TOO_MANY_BUS_STOPS);
}
if (st != NULL) {
if (st->owner != _current_player) {
return_cmd_error(STR_3009_TOO_CLOSE_TO_ANOTHER_STATION);
}
if (!st->rect.BeforeAddTile(tile, StationRect::ADD_TEST)) return CMD_ERROR;
} else {
/* allocate and initialize new station */
if (!Station::CanAllocateItem()) return_cmd_error(STR_3008_TOO_MANY_STATIONS_LOADING);
if (flags & DC_EXEC) {
st = new Station(tile);
st->town = ClosestTownFromTile(tile, UINT_MAX);
st->string_id = GenerateStationName(st, tile, STATIONNAMING_ROAD);
if (IsValidPlayer(_current_player)) {
SetBit(st->town->have_ratings, _current_player);
}
st->sign.width_1 = 0;
}
}
cost.AddCost((type) ? _price.build_truck_station : _price.build_bus_station);
if (flags & DC_EXEC) {
RoadStop *road_stop = new RoadStop(tile);
/* Insert into linked list of RoadStops */
RoadStop **currstop = FindRoadStopSpot(type, st);
*currstop = road_stop;
/*initialize an empty station */
st->AddFacility((type) ? FACIL_TRUCK_STOP : FACIL_BUS_STOP, tile);
st->rect.BeforeAddTile(tile, StationRect::ADD_TRY);
RoadStopType rs_type = type ? ROADSTOP_TRUCK : ROADSTOP_BUS;
if (is_drive_through) {
MakeDriveThroughRoadStop(tile, st->owner, st->index, rs_type, rts, (Axis)p1, town_owned_road);
} else {
MakeRoadStop(tile, st->owner, st->index, rs_type, rts, (DiagDirection)p1);
}
UpdateStationVirtCoordDirty(st);
UpdateStationAcceptance(st, false);
InvalidateWindowData(WC_STATION_LIST, st->owner, 0);
InvalidateWindowWidget(WC_STATION_VIEW, st->index, SVW_ROADVEHS);
}
return cost;
}
static void *ClearRoadStopStatusEnum(Vehicle *v, void *)
{
if (v->type == VEH_ROAD) ClrBit(v->u.road.state, RVS_IN_DT_ROAD_STOP);
return NULL;
}
/** Remove a bus station
* @param st Station to remove
* @param flags operation to perform
* @param tile TileIndex been queried
* @return cost or failure of operation
*/
static CommandCost RemoveRoadStop(Station *st, uint32 flags, TileIndex tile)
{
if (_current_player != OWNER_WATER && !CheckOwnership(st->owner)) {
return CMD_ERROR;
}
bool is_truck = IsTruckStop(tile);
RoadStop **primary_stop;
RoadStop *cur_stop;
if (is_truck) { // truck stop
primary_stop = &st->truck_stops;
cur_stop = GetRoadStopByTile(tile, ROADSTOP_TRUCK);
} else {
primary_stop = &st->bus_stops;
cur_stop = GetRoadStopByTile(tile, ROADSTOP_BUS);
}
assert(cur_stop != NULL);
/* don't do the check for drive-through road stops when company bankrupts */
if (IsDriveThroughStopTile(tile) && (flags & DC_BANKRUPT)) {
/* remove the 'going through road stop' status from all vehicles on that tile */
if (flags & DC_EXEC) VehicleFromPos(tile, NULL, &ClearRoadStopStatusEnum);
} else {
if (!EnsureNoVehicleOnGround(tile)) return CMD_ERROR;
}
if (flags & DC_EXEC) {
if (*primary_stop == cur_stop) {
/* removed the first stop in the list */
*primary_stop = cur_stop->next;
/* removed the only stop? */
if (*primary_stop == NULL) {
st->facilities &= (is_truck ? ~FACIL_TRUCK_STOP : ~FACIL_BUS_STOP);
}
} else {
/* tell the predecessor in the list to skip this stop */
RoadStop *pred = *primary_stop;
while (pred->next != cur_stop) pred = pred->next;
pred->next = cur_stop->next;
}
InvalidateWindowWidget(WC_STATION_VIEW, st->index, SVW_ROADVEHS);
delete cur_stop;
DoClearSquare(tile);
st->rect.AfterRemoveTile(st, tile);
UpdateStationVirtCoordDirty(st);
DeleteStationIfEmpty(st);
}
return CommandCost(EXPENSES_CONSTRUCTION, (is_truck) ? _price.remove_truck_station : _price.remove_bus_station);
}
/** Remove a bus or truck stop
* @param tile tile to remove the stop from
* @param flags operation to perform
* @param p1 not used
* @param p2 bit 0: 0 for Bus stops, 1 for truck stops
*/
CommandCost CmdRemoveRoadStop(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
{
/* Make sure the specified tile is a road stop of the correct type */
if (!IsTileType(tile, MP_STATION) || !IsRoadStop(tile) || (uint32)GetRoadStopType(tile) != p2) return CMD_ERROR;
Station *st = GetStationByTile(tile);
/* Save the stop info before it is removed */
bool is_drive_through = IsDriveThroughStopTile(tile);
RoadTypes rts = GetRoadTypes(tile);
RoadBits road_bits = IsDriveThroughStopTile(tile) ?
((GetRoadStopDir(tile) == DIAGDIR_NE) ? ROAD_X : ROAD_Y) :
DiagDirToRoadBits(GetRoadStopDir(tile));
bool is_towns_road = is_drive_through && GetStopBuiltOnTownRoad(tile);
CommandCost ret = RemoveRoadStop(st, flags, tile);
/* If the stop was a drive-through stop replace the road */
if ((flags & DC_EXEC) && CmdSucceeded(ret) && is_drive_through) {
/* Rebuild the drive throuhg road stop. As a road stop can only be
* removed by the owner of the roadstop, _current_player is the
* owner of the road stop. */
MakeRoadNormal(tile, road_bits, rts, is_towns_road ? ClosestTownFromTile(tile, UINT_MAX)->index : 0,
is_towns_road ? OWNER_TOWN : _current_player, _current_player, _current_player);
}
return ret;
}
/* FIXME -- need to move to its corresponding Airport variable*/
/* Country Airfield (small) */
static const byte _airport_sections_country[] = {
54, 53, 52, 65,
58, 57, 56, 55,
64, 63, 63, 62
};
/* City Airport (large) */
static const byte _airport_sections_town[] = {
31, 9, 33, 9, 9, 32,
27, 36, 29, 34, 8, 10,
30, 11, 35, 13, 20, 21,
51, 12, 14, 17, 19, 28,
38, 13, 15, 16, 18, 39,
26, 22, 23, 24, 25, 26
};
/* Metropolitain Airport (large) - 2 runways */
static const byte _airport_sections_metropolitan[] = {
31, 9, 33, 9, 9, 32,
27, 36, 29, 34, 8, 10,
30, 11, 35, 13, 20, 21,
102, 8, 8, 8, 8, 28,
83, 84, 84, 84, 84, 83,
26, 23, 23, 23, 23, 26
};
/* International Airport (large) - 2 runways */
static const byte _airport_sections_international[] = {
88, 89, 89, 89, 89, 89, 88,
51, 8, 8, 8, 8, 8, 32,
30, 8, 11, 27, 11, 8, 10,
32, 8, 11, 27, 11, 8, 114,
87, 8, 11, 85, 11, 8, 114,
87, 8, 8, 8, 8, 8, 90,
26, 23, 23, 23, 23, 23, 26
};
/* Intercontinental Airport (vlarge) - 4 runways */
static const byte _airport_sections_intercontinental[] = {
102, 120, 89, 89, 89, 89, 89, 89, 118,
120, 23, 23, 23, 23, 23, 23, 119, 117,
87, 54, 87, 8, 8, 8, 8, 51, 117,
87, 162, 87, 85, 116, 116, 8, 9, 10,
87, 8, 8, 11, 31, 11, 8, 160, 32,
32, 160, 8, 11, 27, 11, 8, 8, 10,
87, 8, 8, 11, 30, 11, 8, 8, 10,
87, 142, 8, 11, 29, 11, 10, 163, 10,
87, 164, 87, 8, 8, 8, 10, 37, 117,
87, 120, 89, 89, 89, 89, 89, 89, 119,
121, 23, 23, 23, 23, 23, 23, 119, 37
};
/* Commuter Airfield (small) */
static const byte _airport_sections_commuter[] = {
85, 30, 115, 115, 32,
87, 8, 8, 8, 10,
87, 11, 11, 11, 10,
26, 23, 23, 23, 26
};
/* Heliport */
static const byte _airport_sections_heliport[] = {
66,
};
/* Helidepot */
static const byte _airport_sections_helidepot[] = {
124, 32,
122, 123
};
/* Helistation */
static const byte _airport_sections_helistation[] = {
32, 134, 159, 158,
161, 142, 142, 157
};
static const byte * const _airport_sections[] = {
_airport_sections_country, // Country Airfield (small)
_airport_sections_town, // City Airport (large)
_airport_sections_heliport, // Heliport
_airport_sections_metropolitan, // Metropolitain Airport (large)
_airport_sections_international, // International Airport (xlarge)
_airport_sections_commuter, // Commuter Airport (small)
_airport_sections_helidepot, // Helidepot
_airport_sections_intercontinental, // Intercontinental Airport (xxlarge)
_airport_sections_helistation // Helistation
};
/** Recalculate the noise generated by the airports of each town */
void UpdateAirportsNoise()
{
Town *t;
const Station *st;
FOR_ALL_TOWNS(t) t->noise_reached = 0;
FOR_ALL_STATIONS(st) {
if (IsAirport(st->xy)) {
st->town->noise_reached += GetAirportNoiseLevelForTown(GetAirport(st->airport_type), st->town->xy, st->xy);
}
}
}
/** Get a possible noise reduction factor based on distance from town center.
* The further you get, the less noise you generate.
* So all those folks at city council can now happily slee... work in their offices
* @param afc AirportFTAClass pointer of the class being proposed
* @param town_tile TileIndex of town's center, the one who will receive the airport's candidature
* @param tile TileIndex where the new airport might be built
* @return the noise that will be generated, according to distance
*/
uint8 GetAirportNoiseLevelForTown(const AirportFTAClass *afc, TileIndex town_tile, TileIndex tile)
{
struct TileIndexDistance {
TileIndex index;
uint distance;
};
uint distance;
/* 0 cannot be accounted, and 1 is the lowest that can be reduced from town.
* So no need to go any further*/
if (afc->noise_level < 2) return afc->noise_level;
/* Find the airport-to-be's closest corner to the town */
if (afc->size_x == 1 && afc->size_y == 1) {
distance = DistanceManhattan(town_tile, tile); // ont tile, one corner, it's THE corner
} else {
/* calculate manhattan distance to town of each side of the airport */
TileIndexDistance dist[4]; ///< Array that will contain all 4 corners in TileIndex and distance
uint min_tile = UINT_MAX; ///< Sentinel value
uint min_indice = 4;
/* Based on the size of the airport, establish location of each corner*/
dist[0].index = tile; // north tile
dist[1].index = TileAddWrap(tile, afc->size_x - 1, afc->size_y - 1); // south tile
dist[2].index = TileAddWrap(tile, afc->size_x - 1, 0); // west tile
dist[3].index = TileAddWrap(tile, 0, afc->size_y - 1); //east tile
/* now, go and find the smallest one, thus the closest to town */
for (uint i = 0; i < 4; i++) {
dist[i].distance = DistanceManhattan(town_tile, dist[i].index);
if (dist[i].distance < min_tile) {
min_tile = dist[i].distance; // here's a new candidate
min_indice = i;
}
}
distance = dist[min_indice].distance;
}
/* The steps for measuring noise reduction are based on the "magical" (and arbitrary) 8 base distance
* adding the town_council_tolerance 4 times, as a way to graduate, depending of the tolerance.
* Basically, it says that the less tolerant a town is, the bigger the distance before
* an actual decrease can be granted */
uint8 town_tolerance_distance = 8 + (_opt.diff.town_council_tolerance * 4);
/* The airport is in the "inner" distance where there is no noise reduction */
if (distance < town_tolerance_distance) return afc->noise_level;
/* now, we want to have the distance segmented using the distance judged bareable by town
* This will give us the coefficient of reduction the distance provides. */
uint noise_reduction = min(afc->noise_level, distance / town_tolerance_distance);
/* If the noise reduction equals the airport noise itself, don't give it for free. Use it all minus 1.
* Otherwise, simply reduce the airport's level. */
return max(1U, noise_reduction == afc->noise_level ? afc->noise_level - 1 : afc->noise_level - noise_reduction);
}
/** Place an Airport.
* @param tile tile where airport will be built
* @param flags operation to perform
* @param p1 airport type, @see airport.h
* @param p2 (bit 0) - allow airports directly adjacent to other airports.
*/
CommandCost CmdBuildAirport(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
{
bool airport_upgrade = true;
/* Check if a valid, buildable airport was chosen for construction */
if (p1 > lengthof(_airport_sections) || !HasBit(GetValidAirports(), p1)) return CMD_ERROR;
if (!(flags & DC_NO_TOWN_RATING) && !CheckIfAuthorityAllows(tile)) {
return CMD_ERROR;
}
Town *t = ClosestTownFromTile(tile, UINT_MAX);
const AirportFTAClass *afc = GetAirport(p1);
int w = afc->size_x;
int h = afc->size_y;
Station *st = NULL;
if (w > _patches.station_spread || h > _patches.station_spread) {
_error_message = STR_306C_STATION_TOO_SPREAD_OUT;
return CMD_ERROR;
}
CommandCost cost = CheckFlatLandBelow(tile, w, h, flags, 0, NULL);
if (CmdFailed(cost)) return cost;
/* Go get the final noise level, that is base noise minus factor from distance to town center */
uint newnoise_level = GetAirportNoiseLevelForTown(afc, t->xy, tile);
/* Check if local auth would allow a new airport */
bool autority_refused;
if (_patches.station_noise_level) {
/* do not allow to build a new airport if this raise the town noise over the maximum allowed by town */
autority_refused = (t->noise_reached + newnoise_level) > t->MaxTownNoise();
} else {
uint num = 0;
const Station *st;
FOR_ALL_STATIONS(st) {
if (st->town == t && st->facilities & FACIL_AIRPORT && st->airport_type != AT_OILRIG) num++;
}
autority_refused = (num >= 2);
}
if (autority_refused) {
SetDParam(0, t->index);
return_cmd_error(STR_2035_LOCAL_AUTHORITY_REFUSES);
}
if (!_patches.adjacent_stations || !HasBit(p2, 0)) {
st = GetStationAround(tile, w, h, INVALID_STATION);
if (st == CHECK_STATIONS_ERR) return CMD_ERROR;
} else {
st = NULL;
}
/* Find a station close to us */
if (st == NULL) st = GetClosestStationFromTile(tile);
if (st != NULL) {
if (st->owner != _current_player) {
return_cmd_error(STR_3009_TOO_CLOSE_TO_ANOTHER_STATION);
}
if (!st->rect.BeforeAddRect(tile, w, h, StationRect::ADD_TEST)) return CMD_ERROR;
if (st->airport_tile != 0) {
return_cmd_error(STR_300D_TOO_CLOSE_TO_ANOTHER_AIRPORT);
}
} else {
airport_upgrade = false;
/* allocate and initialize new station */
if (!Station::CanAllocateItem()) return_cmd_error(STR_3008_TOO_MANY_STATIONS_LOADING);
if (flags & DC_EXEC) {
st = new Station(tile);
st->town = t;
st->string_id = GenerateStationName(st, tile, !(afc->flags & AirportFTAClass::AIRPLANES) ? STATIONNAMING_HELIPORT : STATIONNAMING_AIRPORT);
if (IsValidPlayer(_current_player)) {
SetBit(st->town->have_ratings, _current_player);
}
st->sign.width_1 = 0;
}
}
cost.AddCost(_price.build_airport * w * h);
if (flags & DC_EXEC) {
/* Always add the noise, so there will be no need to recalculate when option toggles */
st->town->noise_reached += newnoise_level;
st->airport_tile = tile;
st->AddFacility(FACIL_AIRPORT, tile);
st->airport_type = (byte)p1;
st->airport_flags = 0;
st->rect.BeforeAddRect(tile, w, h, StationRect::ADD_TRY);
/* if airport was demolished while planes were en-route to it, the
* positions can no longer be the same (v->u.air.pos), since different
* airports have different indexes. So update all planes en-route to this
* airport. Only update if
* 1. airport is upgraded
* 2. airport is added to existing station (unfortunately unavoideable)
*/
if (airport_upgrade) UpdateAirplanesOnNewStation(st);
{
const byte *b = _airport_sections[p1];
BEGIN_TILE_LOOP(tile_cur, w, h, tile) {
MakeAirport(tile_cur, st->owner, st->index, *b - ((*b < 67) ? 8 : 24));
b++;
} END_TILE_LOOP(tile_cur, w, h, tile)
}
UpdateStationVirtCoordDirty(st);
UpdateStationAcceptance(st, false);
InvalidateWindowData(WC_STATION_LIST, st->owner, 0);
InvalidateWindowWidget(WC_STATION_VIEW, st->index, SVW_PLANES);
if (_patches.station_noise_level) {
InvalidateWindow(WC_TOWN_VIEW, st->town->index);
}
}
return cost;
}
static CommandCost RemoveAirport(Station *st, uint32 flags)
{
if (_current_player != OWNER_WATER && !CheckOwnership(st->owner)) {
return CMD_ERROR;
}
TileIndex tile = st->airport_tile;
const AirportFTAClass *afc = st->Airport();
int w = afc->size_x;
int h = afc->size_y;
CommandCost cost(EXPENSES_CONSTRUCTION, w * h * _price.remove_airport);
const Vehicle *v;
FOR_ALL_VEHICLES(v) {
if (!(v->type == VEH_AIRCRAFT && IsNormalAircraft(v))) continue;
if (v->u.air.targetairport == st->index && v->u.air.state != FLYING) return CMD_ERROR;
}
BEGIN_TILE_LOOP(tile_cur, w, h, tile) {
if (!EnsureNoVehicleOnGround(tile_cur)) return CMD_ERROR;
if (flags & DC_EXEC) {
DeleteAnimatedTile(tile_cur);
DoClearSquare(tile_cur);
}
} END_TILE_LOOP(tile_cur, w, h, tile)
if (flags & DC_EXEC) {
for (uint i = 0; i < afc->nof_depots; ++i) {
DeleteWindowById(
WC_VEHICLE_DEPOT, tile + ToTileIndexDiff(afc->airport_depots[i])
);
}
/* Go get the final noise level, that is base noise minus factor from distance to town center.
* And as for construction, always remove it, even if the patch is not set, in order to avoid the
* need of recalculation */
st->town->noise_reached -= GetAirportNoiseLevelForTown(afc, st->town->xy, tile);
st->rect.AfterRemoveRect(st, tile, w, h);
st->airport_tile = 0;
st->facilities &= ~FACIL_AIRPORT;
InvalidateWindowWidget(WC_STATION_VIEW, st->index, SVW_PLANES);
if (_patches.station_noise_level) {
InvalidateWindow(WC_TOWN_VIEW, st->town->index);
}
UpdateStationVirtCoordDirty(st);
DeleteStationIfEmpty(st);
}
return cost;
}
/** Build a buoy.
* @param tile tile where to place the bouy
* @param flags operation to perform
* @param p1 unused
* @param p2 unused
*/
CommandCost CmdBuildBuoy(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
{
if (!IsWaterTile(tile) || tile == 0) return_cmd_error(STR_304B_SITE_UNSUITABLE);
if (MayHaveBridgeAbove(tile) && IsBridgeAbove(tile)) return_cmd_error(STR_5007_MUST_DEMOLISH_BRIDGE_FIRST);
if (GetTileSlope(tile, NULL) != SLOPE_FLAT) return_cmd_error(STR_304B_SITE_UNSUITABLE);
/* allocate and initialize new station */
if (!Station::CanAllocateItem()) return_cmd_error(STR_3008_TOO_MANY_STATIONS_LOADING);
if (flags & DC_EXEC) {
Station *st = new Station(tile);
st->town = ClosestTownFromTile(tile, UINT_MAX);
st->string_id = GenerateStationName(st, tile, STATIONNAMING_BUOY);
if (IsValidPlayer(_current_player)) {
SetBit(st->town->have_ratings, _current_player);
}
st->sign.width_1 = 0;
st->dock_tile = tile;
st->facilities |= FACIL_DOCK;
/* Buoys are marked in the Station struct by this flag. Yes, it is this
* braindead.. */
st->had_vehicle_of_type |= HVOT_BUOY;
st->owner = OWNER_NONE;
st->build_date = _date;
MakeBuoy(tile, st->index, GetWaterClass(tile));
UpdateStationVirtCoordDirty(st);
UpdateStationAcceptance(st, false);
InvalidateWindowData(WC_STATION_LIST, st->owner, 0);
InvalidateWindowWidget(WC_STATION_VIEW, st->index, SVW_SHIPS);
}
return CommandCost(EXPENSES_CONSTRUCTION, _price.build_dock);
}
/**
* Tests whether the player's vehicles have this station in orders
* When player == INVALID_PLAYER, then check all vehicles
* @param station station ID
* @param player player ID, INVALID_PLAYER to disable the check
*/
bool HasStationInUse(StationID station, PlayerID player)
{
const Vehicle *v;
FOR_ALL_VEHICLES(v) {
if (player == INVALID_PLAYER || v->owner == player) {
const Order *order;
FOR_VEHICLE_ORDERS(v, order) {
if (order->IsType(OT_GOTO_STATION) && order->GetDestination() == station) {
return true;
}
}
}
}
return false;
}
static CommandCost RemoveBuoy(Station *st, uint32 flags)
{
/* XXX: strange stuff */
if (!IsValidPlayer(_current_player)) return_cmd_error(INVALID_STRING_ID);
TileIndex tile = st->dock_tile;
if (HasStationInUse(st->index, INVALID_PLAYER)) return_cmd_error(STR_BUOY_IS_IN_USE);
/* remove the buoy if there is a ship on tile when company goes bankrupt... */
if (!(flags & DC_BANKRUPT) && !EnsureNoVehicleOnGround(tile)) return CMD_ERROR;
if (flags & DC_EXEC) {
st->dock_tile = 0;
/* Buoys are marked in the Station struct by this flag. Yes, it is this
* braindead.. */
st->facilities &= ~FACIL_DOCK;
st->had_vehicle_of_type &= ~HVOT_BUOY;
InvalidateWindowWidget(WC_STATION_VIEW, st->index, SVW_SHIPS);
/* We have to set the water tile's state to the same state as before the
* buoy was placed. Otherwise one could plant a buoy on a canal edge,
* remove it and flood the land (if the canal edge is at level 0) */
MakeWaterKeepingClass(tile, GetTileOwner(tile));
MarkTileDirtyByTile(tile);
UpdateStationVirtCoordDirty(st);
DeleteStationIfEmpty(st);
}
return CommandCost(EXPENSES_CONSTRUCTION, _price.remove_truck_station);
}
static const TileIndexDiffC _dock_tileoffs_chkaround[] = {
{-1, 0},
{ 0, 0},
{ 0, 0},
{ 0, -1}
};
static const byte _dock_w_chk[4] = { 2, 1, 2, 1 };
static const byte _dock_h_chk[4] = { 1, 2, 1, 2 };
/** Build a dock/haven.
* @param tile tile where dock will be built
* @param flags operation to perform
* @param p1 (bit 0) - allow docks directly adjacent to other docks.
* @param p2 unused
*/
CommandCost CmdBuildDock(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
{
DiagDirection direction = GetInclinedSlopeDirection(GetTileSlope(tile, NULL));
if (direction == INVALID_DIAGDIR) return_cmd_error(STR_304B_SITE_UNSUITABLE);
direction = ReverseDiagDir(direction);
/* Docks cannot be placed on rapids */
if (IsWaterTile(tile)) return_cmd_error(STR_304B_SITE_UNSUITABLE);
if (!(flags & DC_NO_TOWN_RATING) && !CheckIfAuthorityAllows(tile)) return CMD_ERROR;
if (MayHaveBridgeAbove(tile) && IsBridgeAbove(tile)) return_cmd_error(STR_5007_MUST_DEMOLISH_BRIDGE_FIRST);
if (CmdFailed(DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR))) return CMD_ERROR;
TileIndex tile_cur = tile + TileOffsByDiagDir(direction);
if (!IsTileType(tile_cur, MP_WATER) || GetTileSlope(tile_cur, NULL) != SLOPE_FLAT) {
return_cmd_error(STR_304B_SITE_UNSUITABLE);
}
if (MayHaveBridgeAbove(tile_cur) && IsBridgeAbove(tile_cur)) return_cmd_error(STR_5007_MUST_DEMOLISH_BRIDGE_FIRST);
/* Get the water class of the water tile before it is cleared.*/
WaterClass wc = GetWaterClass(tile_cur);
if (CmdFailed(DoCommand(tile_cur, 0, 0, flags, CMD_LANDSCAPE_CLEAR))) return CMD_ERROR;
tile_cur += TileOffsByDiagDir(direction);
if (!IsTileType(tile_cur, MP_WATER) || GetTileSlope(tile_cur, NULL) != SLOPE_FLAT) {
return_cmd_error(STR_304B_SITE_UNSUITABLE);
}
/* middle */
Station *st = NULL;
if (!_patches.adjacent_stations || !HasBit(p1, 0)) {
st = GetStationAround(
tile + ToTileIndexDiff(_dock_tileoffs_chkaround[direction]),
_dock_w_chk[direction], _dock_h_chk[direction], INVALID_STATION);
if (st == CHECK_STATIONS_ERR) return CMD_ERROR;
}
/* Find a station close to us */
if (st == NULL) st = GetClosestStationFromTile(tile);
if (st != NULL) {
if (st->owner != _current_player) {
return_cmd_error(STR_3009_TOO_CLOSE_TO_ANOTHER_STATION);
}
if (!st->rect.BeforeAddRect(tile, _dock_w_chk[direction], _dock_h_chk[direction], StationRect::ADD_TEST)) return CMD_ERROR;
if (st->dock_tile != 0) return_cmd_error(STR_304C_TOO_CLOSE_TO_ANOTHER_DOCK);
} else {
/* allocate and initialize new station */
/* allocate and initialize new station */
if (!Station::CanAllocateItem()) return_cmd_error(STR_3008_TOO_MANY_STATIONS_LOADING);
if (flags & DC_EXEC) {
st = new Station(tile);
st->town = ClosestTownFromTile(tile, UINT_MAX);
st->string_id = GenerateStationName(st, tile, STATIONNAMING_DOCK);
if (IsValidPlayer(_current_player)) {
SetBit(st->town->have_ratings, _current_player);
}
}
}
if (flags & DC_EXEC) {
st->dock_tile = tile;
st->AddFacility(FACIL_DOCK, tile);
st->rect.BeforeAddRect(tile, _dock_w_chk[direction], _dock_h_chk[direction], StationRect::ADD_TRY);
MakeDock(tile, st->owner, st->index, direction, wc);
UpdateStationVirtCoordDirty(st);
UpdateStationAcceptance(st, false);
InvalidateWindowData(WC_STATION_LIST, st->owner, 0);
InvalidateWindowWidget(WC_STATION_VIEW, st->index, SVW_SHIPS);
}
return CommandCost(EXPENSES_CONSTRUCTION, _price.build_dock);
}
static CommandCost RemoveDock(Station *st, uint32 flags)
{
if (!CheckOwnership(st->owner)) return CMD_ERROR;
TileIndex tile1 = st->dock_tile;
TileIndex tile2 = tile1 + TileOffsByDiagDir(GetDockDirection(tile1));
if (!EnsureNoVehicleOnGround(tile1)) return CMD_ERROR;
if (!EnsureNoVehicleOnGround(tile2)) return CMD_ERROR;
if (flags & DC_EXEC) {
DoClearSquare(tile1);
MakeWaterKeepingClass(tile2, st->owner);
st->rect.AfterRemoveTile(st, tile1);
st->rect.AfterRemoveTile(st, tile2);
MarkTileDirtyByTile(tile2);
st->dock_tile = 0;
st->facilities &= ~FACIL_DOCK;
InvalidateWindowWidget(WC_STATION_VIEW, st->index, SVW_SHIPS);
UpdateStationVirtCoordDirty(st);
DeleteStationIfEmpty(st);
}
return CommandCost(EXPENSES_CONSTRUCTION, _price.remove_dock);
}
#include "table/station_land.h"
const DrawTileSprites *GetStationTileLayout(StationType st, byte gfx)
{
return &_station_display_datas[st][gfx];
}
static void DrawTile_Station(TileInfo *ti)
{
const DrawTileSprites *t = NULL;
RoadTypes roadtypes;
int32 total_offset;
int32 custom_ground_offset;
if (IsRailwayStation(ti->tile)) {
const RailtypeInfo *rti = GetRailTypeInfo(GetRailType(ti->tile));
roadtypes = ROADTYPES_NONE;
total_offset = rti->total_offset;
custom_ground_offset = rti->custom_ground_offset;
} else {
roadtypes = IsRoadStop(ti->tile) ? GetRoadTypes(ti->tile) : ROADTYPES_NONE;
total_offset = 0;
custom_ground_offset = 0;
}
uint32 relocation = 0;
const Station *st = NULL;
const StationSpec *statspec = NULL;
PlayerID owner = GetTileOwner(ti->tile);
SpriteID palette;
if (IsValidPlayer(owner)) {
palette = PLAYER_SPRITE_COLOR(owner);
} else {
/* Some stations are not owner by a player, namely oil rigs */
palette = PALETTE_TO_GREY;
}
/* don't show foundation for docks */
if (ti->tileh != SLOPE_FLAT && !IsDock(ti->tile))
DrawFoundation(ti, FOUNDATION_LEVELED);
if (IsCustomStationSpecIndex(ti->tile)) {
/* look for customization */
st = GetStationByTile(ti->tile);
statspec = st->speclist[GetCustomStationSpecIndex(ti->tile)].spec;
if (statspec != NULL) {
uint tile = GetStationGfx(ti->tile);
relocation = GetCustomStationRelocation(statspec, st, ti->tile);
if (HasBit(statspec->callbackmask, CBM_STATION_SPRITE_LAYOUT)) {
uint16 callback = GetStationCallback(CBID_STATION_SPRITE_LAYOUT, 0, 0, statspec, st, ti->tile);
if (callback != CALLBACK_FAILED) tile = (callback & ~1) + GetRailStationAxis(ti->tile);
}
/* Ensure the chosen tile layout is valid for this custom station */
if (statspec->renderdata != NULL) {
t = &statspec->renderdata[tile < statspec->tiles ? tile : (uint)GetRailStationAxis(ti->tile)];
}
}
}
if (t == NULL || t->seq == NULL) t = &_station_display_datas[GetStationType(ti->tile)][GetStationGfx(ti->tile)];
if (IsBuoy(ti->tile) || IsDock(ti->tile)) {
if (ti->tileh == SLOPE_FLAT) {
DrawWaterClassGround(ti);
} else {
assert(IsDock(ti->tile));
TileIndex water_tile = ti->tile + TileOffsByDiagDir(GetDockDirection(ti->tile));
WaterClass wc = GetWaterClass(water_tile);
if (wc == WATER_CLASS_SEA) {
DrawShoreTile(ti->tileh);
} else {
DrawClearLandTile(ti, 3);
}
}
} else {
SpriteID image = t->ground.sprite;
if (HasBit(image, SPRITE_MODIFIER_USE_OFFSET)) {
image += GetCustomStationGroundRelocation(statspec, st, ti->tile);
image += custom_ground_offset;
} else {
image += total_offset;
}
DrawGroundSprite(image, HasBit(image, PALETTE_MODIFIER_COLOR) ? palette : PAL_NONE);
}
if (IsRailwayStation(ti->tile) && HasCatenaryDrawn(GetRailType(ti->tile)) && IsStationTileElectrifiable(ti->tile)) DrawCatenary(ti);
if (HasBit(roadtypes, ROADTYPE_TRAM)) {
Axis axis = GetRoadStopDir(ti->tile) == DIAGDIR_NE ? AXIS_X : AXIS_Y;
DrawGroundSprite((HasBit(roadtypes, ROADTYPE_ROAD) ? SPR_TRAMWAY_OVERLAY : SPR_TRAMWAY_TRAM) + (axis ^ 1), PAL_NONE);
DrawTramCatenary(ti, axis == AXIS_X ? ROAD_X : ROAD_Y);
}
/* End now if buildings are invisible */
if (IsInvisibilitySet(TO_BUILDINGS)) return;
const DrawTileSeqStruct *dtss;
foreach_draw_tile_seq(dtss, t->seq) {
SpriteID image = dtss->image.sprite;
if (relocation == 0 || HasBit(image, SPRITE_MODIFIER_USE_OFFSET)) {
image += total_offset;
} else {
image += relocation;
}
SpriteID pal;
if (HasBit(image, PALETTE_MODIFIER_TRANSPARENT) || HasBit(image, PALETTE_MODIFIER_COLOR)) {
if (dtss->image.pal > 0) {
pal = dtss->image.pal;
} else {
pal = palette;
}
} else {
pal = PAL_NONE;
}
if ((byte)dtss->delta_z != 0x80) {
AddSortableSpriteToDraw(
image, pal,
ti->x + dtss->delta_x, ti->y + dtss->delta_y,
dtss->size_x, dtss->size_y,
dtss->size_z, ti->z + dtss->delta_z,
!HasBit(image, SPRITE_MODIFIER_OPAQUE) && IsTransparencySet(TO_BUILDINGS)
);
} else {
AddChildSpriteScreen(image, pal, dtss->delta_x, dtss->delta_y, IsTransparencySet(TO_BUILDINGS));
}
}
}
void StationPickerDrawSprite(int x, int y, StationType st, RailType railtype, RoadType roadtype, int image)
{
int32 total_offset = 0;
SpriteID pal = PLAYER_SPRITE_COLOR(_local_player);
const DrawTileSprites *t = &_station_display_datas[st][image];
if (railtype != INVALID_RAILTYPE) {
const RailtypeInfo *rti = GetRailTypeInfo(railtype);
total_offset = rti->total_offset;
}
SpriteID img = t->ground.sprite;
DrawSprite(img + total_offset, HasBit(img, PALETTE_MODIFIER_COLOR) ? pal : PAL_NONE, x, y);
if (roadtype == ROADTYPE_TRAM) {
DrawSprite(SPR_TRAMWAY_TRAM + (t->ground.sprite == SPR_ROAD_PAVED_STRAIGHT_X ? 1 : 0), PAL_NONE, x, y);
}
const DrawTileSeqStruct *dtss;
foreach_draw_tile_seq(dtss, t->seq) {
Point pt = RemapCoords(dtss->delta_x, dtss->delta_y, dtss->delta_z);
DrawSprite(dtss->image.sprite + total_offset, pal, x + pt.x, y + pt.y);
}
}
static uint GetSlopeZ_Station(TileIndex tile, uint x, uint y)
{
return GetTileMaxZ(tile);
}
static Foundation GetFoundation_Station(TileIndex tile, Slope tileh)
{
return FlatteningFoundation(tileh);
}
static void GetAcceptedCargo_Station(TileIndex tile, AcceptedCargo ac)
{
/* not used */
}
static void GetTileDesc_Station(TileIndex tile, TileDesc *td)
{
td->owner[0] = GetTileOwner(tile);
if (IsDriveThroughStopTile(tile) && HasTileRoadType(tile, ROADTYPE_ROAD) && GetStopBuiltOnTownRoad(tile)) {
/* Display a second owner */
td->owner_type[1] = STR_ROAD_OWNER;
td->owner[1] = OWNER_TOWN;
}
td->build_date = GetStationByTile(tile)->build_date;
StringID str;
switch (GetStationType(tile)) {
default: NOT_REACHED();
case STATION_RAIL: str = STR_305E_RAILROAD_STATION; break;
case STATION_AIRPORT:
str = (IsHangar(tile) ? STR_305F_AIRCRAFT_HANGAR : STR_3060_AIRPORT);
break;
case STATION_TRUCK: str = STR_3061_TRUCK_LOADING_AREA; break;
case STATION_BUS: str = STR_3062_BUS_STATION; break;
case STATION_OILRIG: str = STR_4807_OIL_RIG; break;
case STATION_DOCK: str = STR_3063_SHIP_DOCK; break;
case STATION_BUOY: str = STR_3069_BUOY; break;
}
td->str = str;
}
static TrackStatus GetTileTrackStatus_Station(TileIndex tile, TransportType mode, uint sub_mode, DiagDirection side)
{
TrackBits trackbits = TRACK_BIT_NONE;
switch (mode) {
case TRANSPORT_RAIL:
if (IsRailwayStation(tile) && !IsStationTileBlocked(tile)) {
trackbits = TrackToTrackBits(GetRailStationTrack(tile));
}
break;
case TRANSPORT_WATER:
/* buoy is coded as a station, it is always on open water */
if (IsBuoy(tile)) {
trackbits = TRACK_BIT_ALL;
/* remove tracks that connect NE map edge */
if (TileX(tile) == 0) trackbits &= ~(TRACK_BIT_X | TRACK_BIT_UPPER | TRACK_BIT_RIGHT);
/* remove tracks that connect NW map edge */
if (TileY(tile) == 0) trackbits &= ~(TRACK_BIT_Y | TRACK_BIT_LEFT | TRACK_BIT_UPPER);
}
break;
case TRANSPORT_ROAD:
if ((GetRoadTypes(tile) & sub_mode) != 0 && IsRoadStop(tile)) {
DiagDirection dir = GetRoadStopDir(tile);
Axis axis = DiagDirToAxis(dir);
if (side != INVALID_DIAGDIR) {
if (axis != DiagDirToAxis(side) || (IsStandardRoadStopTile(tile) && dir != side)) break;
}
trackbits = AxisToTrackBits(axis);
}
break;
default:
break;
}
return CombineTrackStatus(TrackBitsToTrackdirBits(trackbits), TRACKDIR_BIT_NONE);
}
static void TileLoop_Station(TileIndex tile)
{
/* FIXME -- GetTileTrackStatus_Station -> animated stationtiles
* hardcoded.....not good */
switch (GetStationType(tile)) {
case STATION_AIRPORT:
switch (GetStationGfx(tile)) {
case GFX_RADAR_LARGE_FIRST:
case GFX_WINDSACK_FIRST : // for small airport
case GFX_RADAR_INTERNATIONAL_FIRST:
case GFX_RADAR_METROPOLITAN_FIRST:
case GFX_RADAR_DISTRICTWE_FIRST: // radar district W-E airport
case GFX_WINDSACK_INTERCON_FIRST : // for intercontinental airport
AddAnimatedTile(tile);
break;
}
break;
case STATION_DOCK:
if (GetTileSlope(tile, NULL) != SLOPE_FLAT) break; // only handle water part
/* FALL THROUGH */
case STATION_OILRIG: //(station part)
case STATION_BUOY:
TileLoop_Water(tile);
break;
default: break;
}
}
static void AnimateTile_Station(TileIndex tile)
{
struct AnimData {
StationGfx from; // first sprite
StationGfx to; // last sprite
byte delay;
};
static const AnimData data[] = {
{ GFX_RADAR_LARGE_FIRST, GFX_RADAR_LARGE_LAST, 3 },
{ GFX_WINDSACK_FIRST, GFX_WINDSACK_LAST, 1 },
{ GFX_RADAR_INTERNATIONAL_FIRST, GFX_RADAR_INTERNATIONAL_LAST, 3 },
{ GFX_RADAR_METROPOLITAN_FIRST, GFX_RADAR_METROPOLITAN_LAST, 3 },
{ GFX_RADAR_DISTRICTWE_FIRST, GFX_RADAR_DISTRICTWE_LAST, 3 },
{ GFX_WINDSACK_INTERCON_FIRST, GFX_WINDSACK_INTERCON_LAST, 1 }
};
if (IsRailwayStation(tile)) {
AnimateStationTile(tile);
return;
}
StationGfx gfx = GetStationGfx(tile);
for (const AnimData *i = data; i != endof(data); i++) {
if (i->from <= gfx && gfx <= i->to) {
if ((_tick_counter & i->delay) == 0) {
SetStationGfx(tile, gfx < i->to ? gfx + 1 : i->from);
MarkTileDirtyByTile(tile);
}
break;
}
}
}
static void ClickTile_Station(TileIndex tile)
{
if (IsHangar(tile)) {
ShowDepotWindow(tile, VEH_AIRCRAFT);
} else {
ShowStationViewWindow(GetStationIndex(tile));
}
}
static const byte _enter_station_speedtable[12] = {
215, 195, 175, 155, 135, 115, 95, 75, 55, 35, 15, 0
};
static VehicleEnterTileStatus VehicleEnter_Station(Vehicle *v, TileIndex tile, int x, int y)
{
StationID station_id = GetStationIndex(tile);
if (v->type == VEH_TRAIN) {
if (!v->current_order.ShouldStopAtStation(v, station_id)) return VETSB_CONTINUE;
if (IsRailwayStation(tile) && IsFrontEngine(v) &&
!IsCompatibleTrainStationTile(tile + TileOffsByDiagDir(DirToDiagDir(v->direction)), tile)) {
DiagDirection dir = DirToDiagDir(v->direction);
x &= 0xF;
y &= 0xF;
if (DiagDirToAxis(dir) != AXIS_X) Swap(x, y);
if (y == TILE_SIZE / 2) {
if (dir != DIAGDIR_SE && dir != DIAGDIR_SW) x = TILE_SIZE - 1 - x;
if (x == 12) return VETSB_ENTERED_STATION | (VehicleEnterTileStatus)(station_id << VETS_STATION_ID_OFFSET); /* enter station */
if (x < 12) {
uint16 spd;
v->vehstatus |= VS_TRAIN_SLOWING;
spd = _enter_station_speedtable[x];
if (spd < v->cur_speed) v->cur_speed = spd;
}
}
}
} else if (v->type == VEH_ROAD) {
if (v->u.road.state < RVSB_IN_ROAD_STOP && !IsReversingRoadTrackdir((Trackdir)v->u.road.state) && v->u.road.frame == 0) {
if (IsRoadStop(tile) && IsRoadVehFront(v)) {
/* Attempt to allocate a parking bay in a road stop */
RoadStop *rs = GetRoadStopByTile(tile, GetRoadStopType(tile));
if (IsDriveThroughStopTile(tile)) {
if (!v->current_order.ShouldStopAtStation(v, station_id)) return VETSB_CONTINUE;
/* Vehicles entering a drive-through stop from the 'normal' side use first bay (bay 0). */
byte side = ((DirToDiagDir(v->direction) == ReverseDiagDir(GetRoadStopDir(tile))) == (v->u.road.overtaking == 0)) ? 0 : 1;
if (!rs->IsFreeBay(side)) return VETSB_CANNOT_ENTER;
/* Check if the vehicle is stopping at this road stop */
if (GetRoadStopType(tile) == (IsCargoInClass(v->cargo_type, CC_PASSENGERS) ? ROADSTOP_BUS : ROADSTOP_TRUCK) &&
v->current_order.GetDestination() == GetStationIndex(tile)) {
SetBit(v->u.road.state, RVS_IS_STOPPING);
rs->AllocateDriveThroughBay(side);
}
/* Indicate if vehicle is using second bay. */
if (side == 1) SetBit(v->u.road.state, RVS_USING_SECOND_BAY);
/* Indicate a drive-through stop */
SetBit(v->u.road.state, RVS_IN_DT_ROAD_STOP);
return VETSB_CONTINUE;
}
/* For normal (non drive-through) road stops */
/* Check if station is busy or if there are no free bays or whether it is a articulated vehicle. */
if (rs->IsEntranceBusy() || !rs->HasFreeBay() || RoadVehHasArticPart(v)) return VETSB_CANNOT_ENTER;
SetBit(v->u.road.state, RVS_IN_ROAD_STOP);
/* Allocate a bay and update the road state */
uint bay_nr = rs->AllocateBay();
SB(v->u.road.state, RVS_USING_SECOND_BAY, 1, bay_nr);
/* Mark the station entrace as busy */
rs->SetEntranceBusy(true);
}
}
}
return VETSB_CONTINUE;
}
/* this function is called for one station each tick */
static void StationHandleBigTick(Station *st)
{
UpdateStationAcceptance(st, true);
if (st->facilities == 0 && ++st->delete_ctr >= 8) delete st;
}
static inline void byte_inc_sat(byte *p)
{
byte b = *p + 1;
if (b != 0) *p = b;
}
static void UpdateStationRating(Station *st)
{
bool waiting_changed = false;
byte_inc_sat(&st->time_since_load);
byte_inc_sat(&st->time_since_unload);
GoodsEntry *ge = st->goods;
do {
/* Slowly increase the rating back to his original level in the case we
* didn't deliver cargo yet to this station. This happens when a bribe
* failed while you didn't moved that cargo yet to a station. */
if (!HasBit(ge->acceptance_pickup, GoodsEntry::PICKUP) && ge->rating < INITIAL_STATION_RATING) {
ge->rating++;
}
/* Only change the rating if we are moving this cargo */
if (HasBit(ge->acceptance_pickup, GoodsEntry::PICKUP)) {
byte_inc_sat(&ge->days_since_pickup);
int rating = 0;
{
int b = ge->last_speed - 85;
if (b >= 0)
rating += b >> 2;
}
{
byte age = ge->last_age;
(age >= 3) ||
(rating += 10, age >= 2) ||
(rating += 10, age >= 1) ||
(rating += 13, true);
}
if (IsValidPlayer(st->owner) && HasBit(st->town->statues, st->owner)) rating += 26;
{
byte days = ge->days_since_pickup;
if (st->last_vehicle_type == VEH_SHIP) days >>= 2;
(days > 21) ||
(rating += 25, days > 12) ||
(rating += 25, days > 6) ||
(rating += 45, days > 3) ||
(rating += 35, true);
}
uint waiting = ge->cargo.Count();
(rating -= 90, waiting > 1500) ||
(rating += 55, waiting > 1000) ||
(rating += 35, waiting > 600) ||
(rating += 10, waiting > 300) ||
(rating += 20, waiting > 100) ||
(rating += 10, true);
{
int or_ = ge->rating; // old rating
/* only modify rating in steps of -2, -1, 0, 1 or 2 */
ge->rating = rating = or_ + Clamp(Clamp(rating, 0, 255) - or_, -2, 2);
/* if rating is <= 64 and more than 200 items waiting,
* remove some random amount of goods from the station */
if (rating <= 64 && waiting >= 200) {
int dec = Random() & 0x1F;
if (waiting < 400) dec &= 7;
waiting -= dec + 1;
waiting_changed = true;
}
/* if rating is <= 127 and there are any items waiting, maybe remove some goods. */
if (rating <= 127 && waiting != 0) {
uint32 r = Random();
if (rating <= (int)GB(r, 0, 7)) {
/* Need to have int, otherwise it will just overflow etc. */
waiting = max((int)waiting - (int)GB(r, 8, 2) - 1, 0);
waiting_changed = true;
}
}
/* At some point we really must cap the cargo. Previously this
* was a strict 4095, but now we'll have a less strict, but
* increasingly agressive truncation of the amount of cargo. */
static const uint WAITING_CARGO_THRESHOLD = 1 << 12;
static const uint WAITING_CARGO_CUT_FACTOR = 1 << 6;
static const uint MAX_WAITING_CARGO = 1 << 15;
if (waiting > WAITING_CARGO_THRESHOLD) {
uint difference = waiting - WAITING_CARGO_THRESHOLD;
waiting -= (difference / WAITING_CARGO_CUT_FACTOR);
waiting = min(waiting, MAX_WAITING_CARGO);
waiting_changed = true;
}
if (waiting_changed) ge->cargo.Truncate(waiting);
}
}
} while (++ge != endof(st->goods));
StationID index = st->index;
if (waiting_changed) {
InvalidateWindow(WC_STATION_VIEW, index); // update whole window
} else {
InvalidateWindowWidget(WC_STATION_VIEW, index, SVW_RATINGLIST); // update only ratings list
}
}
/* called for every station each tick */
static void StationHandleSmallTick(Station *st)
{
if (st->facilities == 0) return;
byte b = st->delete_ctr + 1;
if (b >= 185) b = 0;
st->delete_ctr = b;
if (b == 0) UpdateStationRating(st);
}
void OnTick_Station()
{
if (_game_mode == GM_EDITOR) return;
uint i = _station_tick_ctr;
if (++_station_tick_ctr > GetMaxStationIndex()) _station_tick_ctr = 0;
if (IsValidStationID(i)) StationHandleBigTick(GetStation(i));
Station *st;
FOR_ALL_STATIONS(st) {
StationHandleSmallTick(st);
/* Run 250 tick interval trigger for station animation.
* Station index is included so that triggers are not all done
* at the same time. */
if ((_tick_counter + st->index) % 250 == 0) {
StationAnimationTrigger(st, st->xy, STAT_ANIM_250_TICKS);
}
}
}
void StationMonthlyLoop()
{
/* not used */
}
void ModifyStationRatingAround(TileIndex tile, PlayerID owner, int amount, uint radius)
{
Station *st;
FOR_ALL_STATIONS(st) {
if (st->owner == owner &&
DistanceManhattan(tile, st->xy) <= radius) {
for (CargoID i = 0; i < NUM_CARGO; i++) {
GoodsEntry *ge = &st->goods[i];
if (ge->acceptance_pickup != 0) {
ge->rating = Clamp(ge->rating + amount, 0, 255);
}
}
}
}
}
static void UpdateStationWaiting(Station *st, CargoID type, uint amount)
{
st->goods[type].cargo.Append(new CargoPacket(st->index, amount));
SetBit(st->goods[type].acceptance_pickup, GoodsEntry::PICKUP);
StationAnimationTrigger(st, st->xy, STAT_ANIM_NEW_CARGO, type);
InvalidateWindow(WC_STATION_VIEW, st->index);
st->MarkTilesDirty(true);
}
static bool IsUniqueStationName(const char *name)
{
const Station *st;
char buf[512];
FOR_ALL_STATIONS(st) {
SetDParam(0, st->index);
GetString(buf, STR_STATION, lastof(buf));
if (strcmp(buf, name) == 0) return false;
}
return true;
}
/** Rename a station
* @param tile unused
* @param flags operation to perform
* @param p1 station ID that is to be renamed
* @param p2 unused
*/
CommandCost CmdRenameStation(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
{
if (!IsValidStationID(p1) || StrEmpty(_cmd_text)) return CMD_ERROR;
Station *st = GetStation(p1);
if (!CheckOwnership(st->owner)) return CMD_ERROR;
if (!IsUniqueStationName(_cmd_text)) return_cmd_error(STR_NAME_MUST_BE_UNIQUE);
if (flags & DC_EXEC) {
free(st->name);
st->name = strdup(_cmd_text);
UpdateStationVirtCoord(st);
InvalidateWindowData(WC_STATION_LIST, st->owner, 1);
MarkWholeScreenDirty();
}
return CommandCost();
}
/**
* Find all (non-buoy) stations around an industry tile
*
* @param tile: Center tile to search from
* @param w: Width of the center
* @param h: Height of the center
*
* @return: Set of found stations
*/
StationSet FindStationsAroundIndustryTile(TileIndex tile, int w, int h)
{
StationSet station_set;
int w_prod; // width and height of the "producer" of the cargo
int h_prod;
int max_rad;
if (_patches.modified_catchment) {
w_prod = w;
h_prod = h;
w += 2 * MAX_CATCHMENT;
h += 2 * MAX_CATCHMENT;
max_rad = MAX_CATCHMENT;
} else {
w_prod = 0;
h_prod = 0;
w += 8;
h += 8;
max_rad = CA_UNMODIFIED;
}
BEGIN_TILE_LOOP(cur_tile, w, h, tile - TileDiffXY(max_rad, max_rad))
cur_tile = TILE_MASK(cur_tile);
if (!IsTileType(cur_tile, MP_STATION)) continue;
Station *st = GetStationByTile(cur_tile);
if (st->IsBuoy()) continue; // bouys don't accept cargo
if (_patches.modified_catchment) {
/* min and max coordinates of the producer relative */
const int x_min_prod = max_rad + 1;
const int x_max_prod = max_rad + w_prod;
const int y_min_prod = max_rad + 1;
const int y_max_prod = max_rad + h_prod;
int rad = FindCatchmentRadius(st);
int x_dist = min(w_cur - x_min_prod, x_max_prod - w_cur);
if (w_cur < x_min_prod) {
x_dist = x_min_prod - w_cur;
} else if (w_cur > x_max_prod) {
x_dist = w_cur - x_max_prod;
}
if (x_dist > rad) continue;
int y_dist = min(h_cur - y_min_prod, y_max_prod - h_cur);
if (h_cur < y_min_prod) {
y_dist = y_min_prod - h_cur;
} else if (h_cur > y_max_prod) {
y_dist = h_cur - y_max_prod;
}
if (y_dist > rad) continue;
}
/* Insert the station in the set. This will fail if it has
* already been added.
*/
station_set.insert(st);
END_TILE_LOOP(cur_tile, w, h, tile - TileDiffXY(max_rad, max_rad))
return station_set;
}
uint MoveGoodsToStation(TileIndex tile, int w, int h, CargoID type, uint amount)
{
Station *st1 = NULL; // Station with best rating
Station *st2 = NULL; // Second best station
uint best_rating1 = 0; // rating of st1
uint best_rating2 = 0; // rating of st2
StationSet all_stations = FindStationsAroundIndustryTile(tile, w, h);
for (StationSet::iterator st_iter = all_stations.begin(); st_iter != all_stations.end(); ++st_iter) {
Station *st = *st_iter;
/* Is the station reserved exclusively for somebody else? */
if (st->town->exclusive_counter > 0 && st->town->exclusivity != st->owner) continue;
if (st->goods[type].rating == 0) continue; // Lowest possible rating, better not to give cargo anymore
if (_patches.selectgoods && st->goods[type].last_speed == 0) continue; // Selectively servicing stations, and not this one
if (IsCargoInClass(type, CC_PASSENGERS)) {
if (st->facilities == FACIL_TRUCK_STOP) continue; // passengers are never served by just a truck stop
} else {
if (st->facilities == FACIL_BUS_STOP) continue; // non-passengers are never served by just a bus stop
}
/* This station can be used, add it to st1/st2 */
if (st1 == NULL || st->goods[type].rating >= best_rating1) {
st2 = st1; best_rating2 = best_rating1; st1 = st; best_rating1 = st->goods[type].rating;
} else if (st2 == NULL || st->goods[type].rating >= best_rating2) {
st2 = st; best_rating2 = st->goods[type].rating;
}
}
/* no stations around at all? */
if (st1 == NULL) return 0;
if (st2 == NULL) {
/* only one station around */
uint moved = amount * best_rating1 / 256 + 1;
UpdateStationWaiting(st1, type, moved);
return moved;
}
/* several stations around, the best two (highest rating) are in st1 and st2 */
assert(st1 != NULL);
assert(st2 != NULL);
assert(best_rating1 != 0 || best_rating2 != 0);
/* the 2nd highest one gets a penalty */
best_rating2 >>= 1;
/* amount given to station 1 */
uint t = (best_rating1 * (amount + 1)) / (best_rating1 + best_rating2);
uint moved = 0;
if (t != 0) {
moved = t * best_rating1 / 256 + 1;
amount -= t;
UpdateStationWaiting(st1, type, moved);
}
if (amount != 0) {
amount = amount * best_rating2 / 256 + 1;
moved += amount;
UpdateStationWaiting(st2, type, amount);
}
return moved;
}
void BuildOilRig(TileIndex tile)
{
Station *st = new Station(tile);
if (st == NULL) {
DEBUG(misc, 0, "Can't allocate station for oilrig at 0x%X, reverting to oilrig only", tile);
return;
}
st->town = ClosestTownFromTile(tile, UINT_MAX);
st->sign.width_1 = 0;
st->string_id = GenerateStationName(st, tile, STATIONNAMING_OILRIG);
MakeOilrig(tile, st->index);
st->owner = OWNER_NONE;
st->airport_flags = 0;
st->airport_type = AT_OILRIG;
st->xy = tile;
st->bus_stops = NULL;
st->truck_stops = NULL;
st->airport_tile = tile;
st->dock_tile = tile;
st->train_tile = 0;
st->had_vehicle_of_type = 0;
st->time_since_load = 255;
st->time_since_unload = 255;
st->delete_ctr = 0;
st->last_vehicle_type = VEH_INVALID;
st->facilities = FACIL_AIRPORT | FACIL_DOCK;
st->build_date = _date;
for (CargoID j = 0; j < NUM_CARGO; j++) {
st->goods[j].acceptance_pickup = 0;
st->goods[j].days_since_pickup = 255;
st->goods[j].rating = INITIAL_STATION_RATING;
st->goods[j].last_speed = 0;
st->goods[j].last_age = 255;
}
UpdateStationVirtCoordDirty(st);
UpdateStationAcceptance(st, false);
}
void DeleteOilRig(TileIndex tile)
{
Station *st = GetStationByTile(tile);
MakeWater(tile);
st->dock_tile = 0;
st->airport_tile = 0;
st->facilities &= ~(FACIL_AIRPORT | FACIL_DOCK);
st->airport_flags = 0;
UpdateStationVirtCoordDirty(st);
if (st->facilities == 0) delete st;
}
static void ChangeTileOwner_Station(TileIndex tile, PlayerID old_player, PlayerID new_player)
{
if (!IsTileOwner(tile, old_player)) return;
if (new_player != PLAYER_SPECTATOR) {
Station *st = GetStationByTile(tile);
SetTileOwner(tile, new_player);
if (!IsBuoy(tile)) st->owner = new_player; // do not set st->owner for buoys
InvalidateWindowClassesData(WC_STATION_LIST, 0);
} else {
if (IsDriveThroughStopTile(tile)) {
/* Remove the drive-through road stop */
DoCommand(tile, 0, (GetStationType(tile) == STATION_TRUCK) ? ROADSTOP_TRUCK : ROADSTOP_BUS, DC_EXEC | DC_BANKRUPT, CMD_REMOVE_ROAD_STOP);
assert(IsTileType(tile, MP_ROAD));
/* Change owner of tile and all roadtypes */
ChangeTileOwner(tile, old_player, new_player);
} else {
DoCommand(tile, 0, 0, DC_EXEC | DC_BANKRUPT, CMD_LANDSCAPE_CLEAR);
/* Set tile owner of water under (now removed) buoy and dock to OWNER_NONE.
* Update owner of buoy if it was not removed (was in orders).
* Do not update when owned by OWNER_WATER (sea and rivers). */
if ((IsTileType(tile, MP_WATER) || IsBuoyTile(tile)) && IsTileOwner(tile, old_player)) SetTileOwner(tile, OWNER_NONE);
}
}
}
/**
* Check if a drive-through road stop tile can be cleared.
* Road stops built on town-owned roads check the conditions
* that would allow clearing of the original road.
* @param tile road stop tile to check
* @return true if the road can be cleared
*/
static bool CanRemoveRoadWithStop(TileIndex tile)
{
/* The road can always be cleared if it was not a town-owned road */
if (!GetStopBuiltOnTownRoad(tile)) return true;
bool edge_road;
return CheckAllowRemoveRoad(tile, GetAnyRoadBits(tile, ROADTYPE_ROAD), OWNER_TOWN, &edge_road, ROADTYPE_ROAD) &&
CheckAllowRemoveRoad(tile, GetAnyRoadBits(tile, ROADTYPE_TRAM), OWNER_TOWN, &edge_road, ROADTYPE_TRAM);
}
static CommandCost ClearTile_Station(TileIndex tile, byte flags)
{
if (flags & DC_AUTO) {
switch (GetStationType(tile)) {
case STATION_RAIL: return_cmd_error(STR_300B_MUST_DEMOLISH_RAILROAD);
case STATION_AIRPORT: return_cmd_error(STR_300E_MUST_DEMOLISH_AIRPORT_FIRST);
case STATION_TRUCK: return_cmd_error(HasTileRoadType(tile, ROADTYPE_TRAM) ? STR_MUST_DEMOLISH_CARGO_TRAM_STATION : STR_3047_MUST_DEMOLISH_TRUCK_STATION);
case STATION_BUS: return_cmd_error(HasTileRoadType(tile, ROADTYPE_TRAM) ? STR_MUST_DEMOLISH_PASSENGER_TRAM_STATION : STR_3046_MUST_DEMOLISH_BUS_STATION);
case STATION_BUOY: return_cmd_error(STR_306A_BUOY_IN_THE_WAY);
case STATION_DOCK: return_cmd_error(STR_304D_MUST_DEMOLISH_DOCK_FIRST);
case STATION_OILRIG:
SetDParam(0, STR_4807_OIL_RIG);
return_cmd_error(STR_4800_IN_THE_WAY);
}
}
Station *st = GetStationByTile(tile);
switch (GetStationType(tile)) {
case STATION_RAIL: return RemoveRailroadStation(st, tile, flags);
case STATION_AIRPORT: return RemoveAirport(st, flags);
case STATION_TRUCK:
if (IsDriveThroughStopTile(tile) && !CanRemoveRoadWithStop(tile))
return_cmd_error(STR_3047_MUST_DEMOLISH_TRUCK_STATION);
return RemoveRoadStop(st, flags, tile);
case STATION_BUS:
if (IsDriveThroughStopTile(tile) && !CanRemoveRoadWithStop(tile))
return_cmd_error(STR_3046_MUST_DEMOLISH_BUS_STATION);
return RemoveRoadStop(st, flags, tile);
case STATION_BUOY: return RemoveBuoy(st, flags);
case STATION_DOCK: return RemoveDock(st, flags);
default: break;
}
return CMD_ERROR;
}
void InitializeStations()
{
/* Clean the station pool and create 1 block in it */
_Station_pool.CleanPool();
_Station_pool.AddBlockToPool();
/* Clean the roadstop pool and create 1 block in it */
_RoadStop_pool.CleanPool();
_RoadStop_pool.AddBlockToPool();
_station_tick_ctr = 0;
}
void AfterLoadStations()
{
/* Update the speclists of all stations to point to the currently loaded custom stations. */
Station *st;
FOR_ALL_STATIONS(st) {
for (uint i = 0; i < st->num_specs; i++) {
if (st->speclist[i].grfid == 0) continue;
st->speclist[i].spec = GetCustomStationSpecByGrf(st->speclist[i].grfid, st->speclist[i].localidx);
}
for (CargoID c = 0; c < NUM_CARGO; c++) st->goods[c].cargo.InvalidateCache();
StationUpdateAnimTriggers(st);
}
}
static CommandCost TerraformTile_Station(TileIndex tile, uint32 flags, uint z_new, Slope tileh_new)
{
if (_patches.build_on_slopes && AutoslopeEnabled()) {
/* TODO: If you implement newgrf callback 149 'land slope check', you have to decide what to do with it here.
* TTDP does not call it.
*/
if (!IsSteepSlope(tileh_new) && (GetTileMaxZ(tile) == z_new + GetSlopeMaxZ(tileh_new))) {
switch (GetStationType(tile)) {
case STATION_RAIL: {
DiagDirection direction = AxisToDiagDir(GetRailStationAxis(tile));
if (!AutoslopeCheckForEntranceEdge(tile, z_new, tileh_new, direction)) break;
if (!AutoslopeCheckForEntranceEdge(tile, z_new, tileh_new, ReverseDiagDir(direction))) break;
return CommandCost(EXPENSES_CONSTRUCTION, _price.terraform);
}
case STATION_AIRPORT:
return CommandCost(EXPENSES_CONSTRUCTION, _price.terraform);
case STATION_TRUCK:
case STATION_BUS: {
DiagDirection direction = GetRoadStopDir(tile);
if (!AutoslopeCheckForEntranceEdge(tile, z_new, tileh_new, direction)) break;
if (IsDriveThroughStopTile(tile)) {
if (!AutoslopeCheckForEntranceEdge(tile, z_new, tileh_new, ReverseDiagDir(direction))) break;
}
return CommandCost(EXPENSES_CONSTRUCTION, _price.terraform);
}
default: break;
}
}
}
return DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
}
extern const TileTypeProcs _tile_type_station_procs = {
DrawTile_Station, /* draw_tile_proc */
GetSlopeZ_Station, /* get_slope_z_proc */
ClearTile_Station, /* clear_tile_proc */
GetAcceptedCargo_Station, /* get_accepted_cargo_proc */
GetTileDesc_Station, /* get_tile_desc_proc */
GetTileTrackStatus_Station, /* get_tile_track_status_proc */
ClickTile_Station, /* click_tile_proc */
AnimateTile_Station, /* animate_tile_proc */
TileLoop_Station, /* tile_loop_clear */
ChangeTileOwner_Station, /* change_tile_owner_clear */
NULL, /* get_produced_cargo_proc */
VehicleEnter_Station, /* vehicle_enter_tile_proc */
GetFoundation_Station, /* get_foundation_proc */
TerraformTile_Station, /* terraform_tile_proc */
};
static const SaveLoad _roadstop_desc[] = {
SLE_VAR(RoadStop, xy, SLE_UINT32),
SLE_CONDNULL(1, 0, 44),
SLE_VAR(RoadStop, status, SLE_UINT8),
/* Index was saved in some versions, but this is not needed */
SLE_CONDNULL(4, 0, 8),
SLE_CONDNULL(2, 0, 44),
SLE_CONDNULL(1, 0, 25),
SLE_REF(RoadStop, next, REF_ROADSTOPS),
SLE_CONDNULL(2, 0, 44),
SLE_CONDNULL(4, 0, 24),
SLE_CONDNULL(1, 25, 25),
SLE_END()
};
static const SaveLoad _station_desc[] = {
SLE_CONDVAR(Station, xy, SLE_FILE_U16 | SLE_VAR_U32, 0, 5),
SLE_CONDVAR(Station, xy, SLE_UINT32, 6, SL_MAX_VERSION),
SLE_CONDNULL(4, 0, 5), ///< bus/lorry tile
SLE_CONDVAR(Station, train_tile, SLE_FILE_U16 | SLE_VAR_U32, 0, 5),
SLE_CONDVAR(Station, train_tile, SLE_UINT32, 6, SL_MAX_VERSION),
SLE_CONDVAR(Station, airport_tile, SLE_FILE_U16 | SLE_VAR_U32, 0, 5),
SLE_CONDVAR(Station, airport_tile, SLE_UINT32, 6, SL_MAX_VERSION),
SLE_CONDVAR(Station, dock_tile, SLE_FILE_U16 | SLE_VAR_U32, 0, 5),
SLE_CONDVAR(Station, dock_tile, SLE_UINT32, 6, SL_MAX_VERSION),
SLE_REF(Station, town, REF_TOWN),
SLE_VAR(Station, trainst_w, SLE_UINT8),
SLE_CONDVAR(Station, trainst_h, SLE_UINT8, 2, SL_MAX_VERSION),
SLE_CONDNULL(1, 0, 3), ///< alpha_order
SLE_VAR(Station, string_id, SLE_STRINGID),
SLE_CONDSTR(Station, name, SLE_STR, 0, 84, SL_MAX_VERSION),
SLE_VAR(Station, had_vehicle_of_type, SLE_UINT16),
SLE_VAR(Station, time_since_load, SLE_UINT8),
SLE_VAR(Station, time_since_unload, SLE_UINT8),
SLE_VAR(Station, delete_ctr, SLE_UINT8),
SLE_VAR(Station, owner, SLE_UINT8),
SLE_VAR(Station, facilities, SLE_UINT8),
SLE_VAR(Station, airport_type, SLE_UINT8),
SLE_CONDNULL(2, 0, 5), ///< Truck/bus stop status
SLE_CONDNULL(1, 0, 4), ///< Blocked months
SLE_CONDVAR(Station, airport_flags, SLE_VAR_U64 | SLE_FILE_U16, 0, 2),
SLE_CONDVAR(Station, airport_flags, SLE_VAR_U64 | SLE_FILE_U32, 3, 45),
SLE_CONDVAR(Station, airport_flags, SLE_UINT64, 46, SL_MAX_VERSION),
SLE_CONDNULL(2, 0, 25), ///< last-vehicle
SLE_CONDVAR(Station, last_vehicle_type, SLE_UINT8, 26, SL_MAX_VERSION),
SLE_CONDNULL(2, 3, 25), ///< custom station class and id
SLE_CONDVAR(Station, build_date, SLE_FILE_U16 | SLE_VAR_I32, 3, 30),
SLE_CONDVAR(Station, build_date, SLE_INT32, 31, SL_MAX_VERSION),
SLE_CONDREF(Station, bus_stops, REF_ROADSTOPS, 6, SL_MAX_VERSION),
SLE_CONDREF(Station, truck_stops, REF_ROADSTOPS, 6, SL_MAX_VERSION),
/* Used by newstations for graphic variations */
SLE_CONDVAR(Station, random_bits, SLE_UINT16, 27, SL_MAX_VERSION),
SLE_CONDVAR(Station, waiting_triggers, SLE_UINT8, 27, SL_MAX_VERSION),
SLE_CONDVAR(Station, num_specs, SLE_UINT8, 27, SL_MAX_VERSION),
SLE_CONDLST(Station, loading_vehicles, REF_VEHICLE, 57, SL_MAX_VERSION),
/* reserve extra space in savegame here. (currently 32 bytes) */
SLE_CONDNULL(32, 2, SL_MAX_VERSION),
SLE_END()
};
static uint16 _waiting_acceptance;
static uint16 _cargo_source;
static uint32 _cargo_source_xy;
static uint16 _cargo_days;
static Money _cargo_feeder_share;
static const SaveLoad _station_speclist_desc[] = {
SLE_CONDVAR(StationSpecList, grfid, SLE_UINT32, 27, SL_MAX_VERSION),
SLE_CONDVAR(StationSpecList, localidx, SLE_UINT8, 27, SL_MAX_VERSION),
SLE_END()
};
void SaveLoad_STNS(Station *st)
{
static const SaveLoad _goods_desc[] = {
SLEG_CONDVAR( _waiting_acceptance, SLE_UINT16, 0, 67),
SLE_CONDVAR(GoodsEntry, acceptance_pickup, SLE_UINT8, 68, SL_MAX_VERSION),
SLE_CONDNULL(2, 51, 67),
SLE_VAR(GoodsEntry, days_since_pickup, SLE_UINT8),
SLE_VAR(GoodsEntry, rating, SLE_UINT8),
SLEG_CONDVAR( _cargo_source, SLE_FILE_U8 | SLE_VAR_U16, 0, 6),
SLEG_CONDVAR( _cargo_source, SLE_UINT16, 7, 67),
SLEG_CONDVAR( _cargo_source_xy, SLE_UINT32, 44, 67),
SLEG_CONDVAR( _cargo_days, SLE_UINT8, 0, 67),
SLE_VAR(GoodsEntry, last_speed, SLE_UINT8),
SLE_VAR(GoodsEntry, last_age, SLE_UINT8),
SLEG_CONDVAR( _cargo_feeder_share, SLE_FILE_U32 | SLE_VAR_I64, 14, 64),
SLEG_CONDVAR( _cargo_feeder_share, SLE_INT64, 65, 67),
SLE_CONDLST(GoodsEntry, cargo.packets, REF_CARGO_PACKET, 68, SL_MAX_VERSION),
SLE_END()
};
SlObject(st, _station_desc);
_waiting_acceptance = 0;
uint num_cargo = CheckSavegameVersion(55) ? 12 : NUM_CARGO;
for (CargoID i = 0; i < num_cargo; i++) {
GoodsEntry *ge = &st->goods[i];
SlObject(ge, _goods_desc);
if (CheckSavegameVersion(68)) {
SB(ge->acceptance_pickup, GoodsEntry::ACCEPTANCE, 1, HasBit(_waiting_acceptance, 15));
if (GB(_waiting_acceptance, 0, 12) != 0) {
/* Don't construct the packet with station here, because that'll fail with old savegames */
CargoPacket *cp = new CargoPacket();
/* In old versions, enroute_from used 0xFF as INVALID_STATION */
cp->source = (CheckSavegameVersion(7) && _cargo_source == 0xFF) ? INVALID_STATION : _cargo_source;
cp->count = GB(_waiting_acceptance, 0, 12);
cp->days_in_transit = _cargo_days;
cp->feeder_share = _cargo_feeder_share;
cp->source_xy = _cargo_source_xy;
cp->days_in_transit = _cargo_days;
cp->feeder_share = _cargo_feeder_share;
SB(ge->acceptance_pickup, GoodsEntry::PICKUP, 1, 1);
ge->cargo.Append(cp);
}
}
}
if (st->num_specs != 0) {
/* Allocate speclist memory when loading a game */
if (st->speclist == NULL) st->speclist = CallocT<StationSpecList>(st->num_specs);
for (uint i = 0; i < st->num_specs; i++) {
SlObject(&st->speclist[i], _station_speclist_desc);
}
}
}
static void Save_STNS()
{
Station *st;
/* Write the stations */
FOR_ALL_STATIONS(st) {
SlSetArrayIndex(st->index);
SlAutolength((AutolengthProc*)SaveLoad_STNS, st);
}
}
static void Load_STNS()
{
int index;
while ((index = SlIterateArray()) != -1) {
Station *st = new (index) Station();
SaveLoad_STNS(st);
/* this means it's an oldstyle savegame without support for nonuniform stations */
if (st->train_tile != 0 && st->trainst_h == 0) {
uint w = GB(st->trainst_w, 4, 4);
uint h = GB(st->trainst_w, 0, 4);
if (GetRailStationAxis(st->train_tile) != AXIS_X) Swap(w, h);
st->trainst_w = w;
st->trainst_h = h;
}
}
/* This is to ensure all pointers are within the limits of _stations_size */
if (_station_tick_ctr > GetMaxStationIndex()) _station_tick_ctr = 0;
}
static void Save_ROADSTOP()
{
RoadStop *rs;
FOR_ALL_ROADSTOPS(rs) {
SlSetArrayIndex(rs->index);
SlObject(rs, _roadstop_desc);
}
}
static void Load_ROADSTOP()
{
int index;
while ((index = SlIterateArray()) != -1) {
RoadStop *rs = new (index) RoadStop(INVALID_TILE);
SlObject(rs, _roadstop_desc);
}
}
extern const ChunkHandler _station_chunk_handlers[] = {
{ 'STNS', Save_STNS, Load_STNS, CH_ARRAY },
{ 'ROAD', Save_ROADSTOP, Load_ROADSTOP, CH_ARRAY | CH_LAST},
};