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OpenTTD-patches/src/station_cmd.cpp

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/* $Id$ */
/** @file station_cmd.cpp */
#include "stdafx.h"
#include "openttd.h"
#include "aircraft.h"
#include "bridge_map.h"
#include "cmd_helper.h"
#include "debug.h"
#include "functions.h"
#include "landscape.h"
#include "station_map.h"
#include "table/sprites.h"
#include "table/strings.h"
#include "map.h"
#include "tile.h"
#include "station.h"
#include "gfx.h"
#include "window.h"
#include "viewport.h"
#include "command.h"
#include "town.h"
#include "vehicle.h"
#include "news.h"
#include "saveload.h"
#include "economy.h"
#include "player.h"
#include "airport.h"
#include "sprite.h"
#include "depot.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 "date.h"
#include "helpers.hpp"
#include "misc/autoptr.hpp"
#include "road.h"
#include "cargotype.h"
#include "strings.h"
#include "autoslope.h"
#include "transparency.h"
#include "water.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, RoadStop::Type 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, RoadStop::Type 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 bool 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 */
};
Town *t = st->town;
uint32 free_names = (uint32)-1;
int found;
unsigned long tmp;
{
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 */
tmp = free_names & _gen_station_name_bits[flag];
if (tmp != 0) {
found = FindFirstBit(tmp);
goto done;
}
/* check mine? */
if (HasBit(free_names, M(STR_SV_STNAME_MINES))) {
if (CountMapSquareAround(tile, CMSAMine) >= 2) {
found = M(STR_SV_STNAME_MINES);
goto done;
}
}
/* check close enough to town to get central as name? */
if (DistanceMax(tile, t->xy) < 8) {
found = M(STR_SV_STNAME);
if (HasBit(free_names, M(STR_SV_STNAME))) goto done;
found = M(STR_SV_STNAME_CENTRAL);
if (HasBit(free_names, M(STR_SV_STNAME_CENTRAL))) goto done;
}
/* Check lakeside */
if (HasBit(free_names, M(STR_SV_STNAME_LAKESIDE)) &&
DistanceFromEdge(tile) < 20 &&
CountMapSquareAround(tile, CMSAWater) >= 5) {
found = M(STR_SV_STNAME_LAKESIDE);
goto done;
}
/* Check woods */
if (HasBit(free_names, M(STR_SV_STNAME_WOODS)) && (
CountMapSquareAround(tile, CMSATree) >= 8 ||
CountMapSquareAround(tile, CMSAForest) >= 2)
) {
found = _opt.landscape == LT_TROPIC ?
M(STR_SV_STNAME_FOREST) : M(STR_SV_STNAME_WOODS);
goto done;
}
/* check elevation compared to town */
{
uint z = GetTileZ(tile);
uint z2 = GetTileZ(t->xy);
if (z < z2) {
found = M(STR_SV_STNAME_VALLEY);
if (HasBit(free_names, M(STR_SV_STNAME_VALLEY))) goto done;
} else if (z > z2) {
found = M(STR_SV_STNAME_HEIGHTS);
if (HasBit(free_names, M(STR_SV_STNAME_HEIGHTS))) goto done;
}
}
/* 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));
found = (tmp == 0) ? M(STR_SV_STNAME_FALLBACK) : FindFirstBit(tmp);
done:
st->string_id = found + STR_SV_STNAME;
return true;
}
#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, NEWS_FLAGS(NM_SMALL, NF_VIEWPORT | NF_TILE, NT_ACCEPTANCE, 0), 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++) {
if (!(IsInsideBS(xc, x, w) && IsInsideBS(yc, y, h))) {
TileIndex tile = TileXY(xc, yc);
GetProducedCargoProc *gpc = _tile_type_procs[GetTileType(tile)]->get_produced_cargo_proc;
if (gpc != NULL) {
CargoID cargos[2] = { CT_INVALID, CT_INVALID };
gpc(tile, cargos);
if (cargos[0] != CT_INVALID) {
produced[cargos[0]]++;
if (cargos[1] != CT_INVALID) {
produced[cargos[1]]++;
}
}
}
}
}
}
}
/**
* 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];
}
}
}
}
struct ottd_Rectangle {
uint min_x;
uint min_y;
uint max_x;
uint max_y;
};
static inline void MergePoint(ottd_Rectangle* rect, TileIndex tile)
{
uint x = TileX(tile);
uint y = TileY(tile);
if (rect->min_x > x) rect->min_x = x;
if (rect->min_y > y) rect->min_y = y;
if (rect->max_x < x) rect->max_x = x;
if (rect->max_y < y) rect->max_y = 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;
ottd_Rectangle rect;
rect.min_x = MapSizeX();
rect.min_y = MapSizeY();
rect.max_x = 0;
rect.max_y = 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.max_x >= rect.min_x) {
GetAcceptanceAroundTiles(
accepts,
TileXY(rect.min_x, rect.min_y),
rect.max_x - rect.min_x + 1,
rect.max_y - rect.min_y + 1,
_patches.modified_catchment ? FindCatchmentRadius(st) : 4
);
} 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, 4);
}
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;
RebuildStationLists();
InvalidateWindow(WC_STATION_LIST, st->owner);
}
/* 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
* @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;
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. */
if ((invalid_dirs & 1 && !(tileh & SLOPE_NE) && (uint)w_cur == w) ||
(invalid_dirs & 2 && !(tileh & SLOPE_SE) && h_cur == 1) ||
(invalid_dirs & 4 && !(tileh & SLOPE_SW) && w_cur == 1) ||
(invalid_dirs & 8 && !(tileh & SLOPE_NW) && (uint)h_cur == h)) {
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 {
/* check so the orientation is the same */
if (GetRailStationAxis(st->train_tile) != axis) {
_error_message = STR_306D_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_306D_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)
{
int w_org, h_org;
CommandCost ret;
SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);
/* Does the authority allow this? */
if (!(flags & DC_NO_TOWN_RATING) && !CheckIfAuthorityAllows(tile_org)) return CMD_ERROR;
if (!ValParamRailtype(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);
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 */
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(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);
/* In case of new station if DC_EXEC is NOT set we still need to create the station
* to test if everything is OK. In this case we need to delete it before return. */
AutoPtrT<Station> st_auto_delete;
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 */
st = new Station(tile_org);
if (st == NULL) return_cmd_error(STR_3008_TOO_MANY_STATIONS_LOADING);
/* ensure that in case of error (or no DC_EXEC) the station gets deleted upon return */
st_auto_delete = st;
st->town = ClosestTownFromTile(tile_org, (uint)-1);
if (!GenerateStationName(st, tile_org, STATIONNAMING_RAIL)) return CMD_ERROR;
if (IsValidPlayer(_current_player) && (flags & DC_EXEC) != 0) {
SetBit(st->town->have_ratings, _current_player);
}
}
/* Check if the given station class is valid */
if (GB(p2, 8, 8) >= STAT_CLASS_MAX) 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) && GetStationCallback(CBID_STATION_AVAILABILITY, 0, 0, statspec, NULL, INVALID_TILE) == 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);
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));
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);
}
tile += tile_delta;
} while (--w);
SetSignalsOnBothDir(tile_org, track);
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);
RebuildStationLists();
InvalidateWindow(WC_STATION_LIST, st->owner);
/* success, so don't delete the new station */
st_auto_delete.Detach();
}
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;
SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);
/* Do the action for every tile into the area */
BEGIN_TILE_LOOP(tile2, size_x, size_y, tile) {
/* Make sure the specified tile belongs to the current player, and that it is a railroad station. */
if (!IsTileType(tile2, MP_STATION) || !IsRailwayStation(tile2) || !_patches.nonuniform_stations) {
continue;
}
/* Check ownership of station */
Station *st = GetStationByTile(tile2);
if (_current_player != OWNER_WATER && (!CheckOwnership(st->owner) || !EnsureNoVehicleOnGround(tile2))) {
continue;
}
/* If we reached here, the tile is valid so increase the quantity of tiles we will remove */
quantity++;
if (flags & DC_EXEC) {
uint specindex = GetCustomStationSpecIndex(tile2);
Track track = GetRailStationTrack(tile2);
DoClearSquare(tile2);
st->rect.AfterRemoveTile(st, tile2);
SetSignalsOnBothDir(tile2, track);
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;
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(_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;
/* 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) {
Track track = GetRailStationTrack(tile);
DoClearSquare(tile);
SetSignalsOnBothDir(tile, track);
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;
UpdateStationVirtCoordDirty(st);
DeleteStationIfEmpty(st);
}
return cost;
}
/**
* Switches the rail type at a railway station tile.
* @param tile The tile on which the railtype is to be convert.
* @param totype The railtype we want to convert to
* @param exec Switches between test and execute mode
* @return The cost and state of the operation
* @retval CMD_ERROR An error occured during the operation.
*/
CommandCost DoConvertStationRail(TileIndex tile, RailType totype, bool exec)
{
/* Tile is not a railroad station? */
if (!IsRailwayStation(tile)) return CMD_ERROR;
if (exec) {
SetRailType(tile, totype);
MarkTileDirtyByTile(tile);
YapfNotifyTrackLayoutChange(tile, GetRailStationTrack(tile));
VehicleFromPos(tile, &tile, UpdateTrainPowerProc);
}
return CommandCost(RailBuildCost(totype) / 2);
}
/**
* @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 && IsTileType(tile, MP_ROAD) && GetRoadTileType(tile) == ROAD_TILE_NORMAL;
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);
SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);
if (!(flags & DC_NO_TOWN_RATING) && !CheckIfAuthorityAllows(tile)) return CMD_ERROR;
CommandCost cost;
/* 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);
if (GetRoadTileType(tile) != ROAD_TILE_NORMAL) return CMD_ERROR;
/* Don't allow building the roadstop when vehicles are already driving on it */
if (!EnsureNoVehicleOnGround(tile)) return CMD_ERROR;
RoadTypes cur_rts = GetRoadTypes(tile);
if (GetRoadOwner(tile, ROADTYPE_ROAD) != OWNER_TOWN && HasBit(cur_rts, ROADTYPE_ROAD) && !CheckOwnership(GetRoadOwner(tile, ROADTYPE_ROAD))) return CMD_ERROR;
if (HasBit(cur_rts, ROADTYPE_TRAM) && !CheckOwnership(GetRoadOwner(tile, ROADTYPE_TRAM))) return CMD_ERROR;
/* Do not remove roadtypes! */
rts |= cur_rts;
}
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 */
RoadStop *road_stop = new RoadStop(tile);
if (road_stop == NULL) {
return_cmd_error(type ? STR_3008B_TOO_MANY_TRUCK_STOPS : STR_3008A_TOO_MANY_BUS_STOPS);
}
/* ensure that in case of error (or no DC_EXEC) the new road stop gets deleted upon return */
AutoPtrT<RoadStop> rs_auto_delete(road_stop);
if (st != NULL &&
GetNumRoadStopsInStation(st, RoadStop::BUS) + GetNumRoadStopsInStation(st, RoadStop::TRUCK) >= RoadStop::LIMIT) {
return_cmd_error(type ? STR_3008B_TOO_MANY_TRUCK_STOPS : STR_3008A_TOO_MANY_BUS_STOPS);
}
/* In case of new station if DC_EXEC is NOT set we still need to create the station
* to test if everything is OK. In this case we need to delete it before return. */
AutoPtrT<Station> st_auto_delete;
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 */
st = new Station(tile);
if (st == NULL) return_cmd_error(STR_3008_TOO_MANY_STATIONS_LOADING);
/* ensure that in case of error (or no DC_EXEC) the new station gets deleted upon return */
st_auto_delete = st;
Town *t = st->town = ClosestTownFromTile(tile, (uint)-1);
if (!GenerateStationName(st, tile, STATIONNAMING_ROAD)) return CMD_ERROR;
if (IsValidPlayer(_current_player) && (flags & DC_EXEC) != 0) {
SetBit(t->have_ratings, _current_player);
}
st->sign.width_1 = 0;
}
cost.AddCost((type) ? _price.build_truck_station : _price.build_bus_station);
if (flags & DC_EXEC) {
/* 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);
RoadStop::Type 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);
RebuildStationLists();
InvalidateWindow(WC_STATION_LIST, st->owner);
/* success, so don't delete the new station and the new road stop */
st_auto_delete.Detach();
rs_auto_delete.Detach();
}
return cost;
}
/** 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);
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;
}
delete cur_stop;
DoClearSquare(tile);
st->rect.AfterRemoveTile(st, tile);
UpdateStationVirtCoordDirty(st);
DeleteStationIfEmpty(st);
}
return CommandCost((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)-1)->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
};
/** 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;
SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);
/* 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)-1);
/* Check if local auth refuses a new airport */
{
uint num = 0;
const Station *st;
FOR_ALL_STATIONS(st) {
if (st->town == t && st->facilities&FACIL_AIRPORT && st->airport_type != AT_OILRIG)
num++;
}
if (num >= 2) {
SetDParam(0, t->index);
return_cmd_error(STR_2035_LOCAL_AUTHORITY_REFUSES);
}
}
const AirportFTAClass *afc = GetAirport(p1);
int w = afc->size_x;
int h = afc->size_y;
CommandCost ret = CheckFlatLandBelow(tile, w, h, flags, 0, NULL);
if (CmdFailed(ret)) return ret;
CommandCost cost(ret.GetCost());
Station *st = NULL;
if (!_patches.adjacent_stations || !HasBit(p2, 0)) {
st = GetStationAround(tile, w, h, INVALID_STATION);
if (st == CHECK_STATIONS_ERR) return CMD_ERROR;
}
/* Find a station close to us */
if (st == NULL) st = GetClosestStationFromTile(tile);
if (w > _patches.station_spread || h > _patches.station_spread) {
_error_message = STR_306C_STATION_TOO_SPREAD_OUT;
return CMD_ERROR;
}
/* In case of new station if DC_EXEC is NOT set we still need to create the station
* to test if everything is OK. In this case we need to delete it before return. */
AutoPtrT<Station> st_auto_delete;
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 */
st = new Station(tile);
if (st == NULL) return_cmd_error(STR_3008_TOO_MANY_STATIONS_LOADING);
/* ensure that in case of error (or no DC_EXEC) the station gets deleted upon return */
st_auto_delete = st;
st->town = t;
if (IsValidPlayer(_current_player) && (flags & DC_EXEC) != 0) {
SetBit(t->have_ratings, _current_player);
}
st->sign.width_1 = 0;
/* If only helicopters may use the airport generate a helicopter related (5)
* station name, otherwise generate a normal airport name (1) */
if (!GenerateStationName(st, tile, !(afc->flags & AirportFTAClass::AIRPLANES) ? STATIONNAMING_HELIPORT : STATIONNAMING_AIRPORT)) {
return CMD_ERROR;
}
}
cost.AddCost(_price.build_airport * w * h);
if (flags & DC_EXEC) {
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);
RebuildStationLists();
InvalidateWindow(WC_STATION_LIST, st->owner);
/* success, so don't delete the new station */
st_auto_delete.Detach();
}
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(w * h * _price.remove_airport);
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])
);
}
st->rect.AfterRemoveRect(st, tile, w, h);
st->airport_tile = 0;
st->facilities &= ~FACIL_AIRPORT;
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)
{
SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);
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);
/* allocate and initialize new station */
Station *st = new Station(tile);
if (st == NULL) return_cmd_error(STR_3008_TOO_MANY_STATIONS_LOADING);
/* ensure that in case of error (or no DC_EXEC) the station gets deleted upon return */
AutoPtrT<Station> st_auto_delete(st);
st->town = ClosestTownFromTile(tile, (uint)-1);
st->sign.width_1 = 0;
if (!GenerateStationName(st, tile, STATIONNAMING_BUOY)) return CMD_ERROR;
if (flags & DC_EXEC) {
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);
UpdateStationVirtCoordDirty(st);
UpdateStationAcceptance(st, false);
RebuildStationLists();
InvalidateWindow(WC_STATION_LIST, st->owner);
/* success, so don't delete the new station */
st_auto_delete.Detach();
}
return CommandCost(_price.build_dock);
}
/* Checks if any ship is servicing the buoy specified. Returns yes or no */
static bool CheckShipsOnBuoy(Station *st)
{
const Vehicle *v;
FOR_ALL_VEHICLES(v) {
if (v->type == VEH_SHIP) {
const Order *order;
FOR_VEHICLE_ORDERS(v, order) {
if (order->type == OT_GOTO_STATION && order->dest == st->index) {
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 (CheckShipsOnBuoy(st)) return_cmd_error(STR_BUOY_IS_IN_USE);
if (!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;
/* 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) */
MakeWaterOrCanalDependingOnSurroundings(tile, GetTileOwner(tile));
MarkTileDirtyByTile(tile);
UpdateStationVirtCoordDirty(st);
DeleteStationIfEmpty(st);
}
return CommandCost(_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)
{
CommandCost cost;
SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);
DiagDirection direction;
switch (GetTileSlope(tile, NULL)) {
case SLOPE_SW: direction = DIAGDIR_NE; break;
case SLOPE_SE: direction = DIAGDIR_NW; break;
case SLOPE_NW: direction = DIAGDIR_SE; break;
case SLOPE_NE: direction = DIAGDIR_SW; break;
default: 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);
cost = DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
if (CmdFailed(cost)) 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);
cost = DoCommand(tile_cur, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
if (CmdFailed(cost)) 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);
/* In case of new station if DC_EXEC is NOT set we still need to create the station
* to test if everything is OK. In this case we need to delete it before return. */
AutoPtrT<Station> st_auto_delete;
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 */
st = new Station(tile);
if (st == NULL) return_cmd_error(STR_3008_TOO_MANY_STATIONS_LOADING);
/* ensure that in case of error (or no DC_EXEC) the station gets deleted upon return */
st_auto_delete = st;
Town *t = st->town = ClosestTownFromTile(tile, (uint)-1);
if (IsValidPlayer(_current_player) && (flags & DC_EXEC) != 0) {
SetBit(t->have_ratings, _current_player);
}
st->sign.width_1 = 0;
if (!GenerateStationName(st, tile, STATIONNAMING_DOCK)) return CMD_ERROR;
}
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);
UpdateStationVirtCoordDirty(st);
UpdateStationAcceptance(st, false);
RebuildStationLists();
InvalidateWindow(WC_STATION_LIST, st->owner);
/* success, so don't delete the new station */
st_auto_delete.Detach();
}
return CommandCost(_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);
MakeWaterOrCanalDependingOnSurroundings(tile2, st->owner);
st->rect.AfterRemoveTile(st, tile1);
st->rect.AfterRemoveTile(st, tile2);
MarkTileDirtyByTile(tile2);
st->dock_tile = 0;
st->facilities &= ~FACIL_DOCK;
UpdateStationVirtCoordDirty(st);
DeleteStationIfEmpty(st);
}
return CommandCost(_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;
RailType railtype;
RoadTypes roadtypes;
if (IsRailwayStation(ti->tile)) {
railtype = GetRailType(ti->tile);
roadtypes = ROADTYPES_NONE;
} else {
roadtypes = GetRoadTypes(ti->tile);
railtype = RAILTYPE_BEGIN;
}
const RailtypeInfo *rti = GetRailTypeInfo(railtype);
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;
//debug("Cust-o-mized %p", statspec);
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)];
SpriteID image = t->ground_sprite;
if (HasBit(image, SPRITE_MODIFIER_USE_OFFSET)) {
image += GetCustomStationGroundRelocation(statspec, st, ti->tile);
image += rti->custom_ground_offset;
} else {
image += rti->total_offset;
}
/* station_land array has been increased from 82 elements to 114
* but this is something else. If AI builds station with 114 it looks all weird */
DrawGroundSprite(image, HasBit(image, PALETTE_MODIFIER_COLOR) ? palette : PAL_NONE);
if (GetRailType(ti->tile) == RAILTYPE_ELECTRIC && 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);
}
if (IsCanalBuoyTile(ti->tile)) DrawCanalWater(ti->tile);
const DrawTileSeqStruct *dtss;
foreach_draw_tile_seq(dtss, t->seq) {
image = dtss->image;
if (relocation == 0 || HasBit(image, SPRITE_MODIFIER_USE_OFFSET)) {
image += rti->total_offset;
} else {
image += relocation;
}
SpriteID pal;
if (!IsTransparencySet(TO_BUILDINGS) && HasBit(image, PALETTE_MODIFIER_COLOR)) {
pal = palette;
} else {
pal = dtss->pal;
}
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,
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)
{
const RailtypeInfo *rti = GetRailTypeInfo(railtype);
SpriteID pal = PLAYER_SPRITE_COLOR(_local_player);
const DrawTileSprites *t = &_station_display_datas[st][image];
SpriteID img = t->ground_sprite;
DrawSprite(img + rti->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 + rti->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 = GetTileOwner(tile);
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 uint32 GetTileTrackStatus_Station(TileIndex tile, TransportType mode, uint sub_mode)
{
switch (mode) {
case TRANSPORT_RAIL:
if (IsRailwayStation(tile) && !IsStationTileBlocked(tile)) {
return TrackToTrackBits(GetRailStationTrack(tile)) * 0x101;
}
break;
case TRANSPORT_WATER:
/* buoy is coded as a station, it is always on open water */
if (IsBuoy(tile)) {
TrackBits ts = TRACK_BIT_ALL;
/* remove tracks that connect NE map edge */
if (TileX(tile) == 0) ts &= ~(TRACK_BIT_X | TRACK_BIT_UPPER | TRACK_BIT_RIGHT);
/* remove tracks that connect NW map edge */
if (TileY(tile) == 0) ts &= ~(TRACK_BIT_Y | TRACK_BIT_LEFT | TRACK_BIT_UPPER);
return uint32(ts) * 0x101;
}
break;
case TRANSPORT_ROAD:
if ((GetRoadTypes(tile) & sub_mode) != 0 && IsRoadStopTile(tile)) {
return AxisToTrackBits(DiagDirToAxis(GetRoadStopDir(tile))) * 0x101;
}
break;
default:
break;
}
return 0;
}
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_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 }
};
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 uint32 VehicleEnter_Station(Vehicle *v, TileIndex tile, int x, int y)
{
if (v->type == VEH_TRAIN) {
if (IsRailwayStation(tile) && IsFrontEngine(v) &&
!IsCompatibleTrainStationTile(tile + TileOffsByDiagDir(DirToDiagDir(v->direction)), tile)) {
StationID station_id = GetStationIndex(tile);
if ((!(v->current_order.flags & OF_NON_STOP) && !_patches.new_nonstop) ||
(v->current_order.type == OT_GOTO_STATION && v->current_order.dest == station_id)) {
if (!(_patches.new_nonstop && v->current_order.flags & OF_NON_STOP) &&
v->current_order.type != OT_LEAVESTATION &&
v->last_station_visited != station_id) {
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 | (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)) {
/* 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.dest == 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;
if ((b-=85) >= 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);
} else {
InvalidateWindowWidget(WC_STATION_VIEW, index, 5);
}
}
/* 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);
}
void StationMonthlyLoop()
{
}
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);
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);
StringID str = AllocateName(_cmd_text, 6);
if (str == 0) return CMD_ERROR;
if (flags & DC_EXEC) {
StringID old_str = st->string_id;
st->string_id = str;
UpdateStationVirtCoord(st);
DeleteName(old_str);
ResortStationLists();
MarkWholeScreenDirty();
} else {
DeleteName(str);
}
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 = 4;
}
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();
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)-1);
st->sign.width_1 = 0;
if (!GenerateStationName(st, tile, STATIONNAMING_OILRIG)) {
DEBUG(misc, 0, "Can't allocate station-name for oilrig at 0x%X, reverting to oilrig only", tile);
delete st;
return;
}
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);
st->owner = new_player;
RebuildStationLists();
InvalidateWindowClasses(WC_STATION_LIST);
} else {
if (IsDriveThroughStopTile(tile) && GetStopBuiltOnTownRoad(tile)) {
/* For a drive-through stop on a town-owned road remove the stop and replace the road */
DoCommand(tile, 0, (GetStationType(tile) == STATION_TRUCK) ? RoadStop::TRUCK : RoadStop::BUS, DC_EXEC, CMD_REMOVE_ROAD_STOP);
} else {
DoCommand(tile, 0, 0, DC_EXEC, CMD_LANDSCAPE_CLEAR);
}
}
}
/**
* 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(HasBit(GetRoadTypes(tile), ROADTYPE_TRAM) ? STR_3047_MUST_DEMOLISH_CARGO_TRAM_STATION : STR_3047_MUST_DEMOLISH_TRUCK_STATION);
case STATION_BUS: return_cmd_error(HasBit(GetRoadTypes(tile), ROADTYPE_TRAM) ? STR_3046_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();
}
}
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 _price.terraform;
}
case STATION_AIRPORT:
return _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 _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),
/* alpha_order was stored here in savegame format 0 - 3 */
SLE_CONDNULL(1, 0, 3),
SLE_VAR(Station, string_id, SLE_STRINGID),
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), /* Ex last-vehicle */
SLE_CONDVAR(Station, last_vehicle_type, SLE_UINT8, 26, SL_MAX_VERSION),
/* Was custom station class and id */
SLE_CONDNULL(2, 3, 25),
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},
};
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