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Location: cpp/openttd-patchpack/source/src/station.cpp - annotation
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(svn r20903) -Update from WebTranslator v3.0:
catalan - 2 changes by arnau
croatian - 2 changes by VoyagerOne
dutch - 2 changes by habell
finnish - 4 changes by jpx_
french - 2 changes by glx
german - 2 changes by planetmaker
ido - 34 changes by Edwardo
marathi - 40 changes by jcravi
polish - 2 changes by voythas
russian - 2 changes by Lone_Wolf
serbian - 2 changes by etran
spanish - 2 changes by Terkhen
catalan - 2 changes by arnau
croatian - 2 changes by VoyagerOne
dutch - 2 changes by habell
finnish - 4 changes by jpx_
french - 2 changes by glx
german - 2 changes by planetmaker
ido - 34 changes by Edwardo
marathi - 40 changes by jcravi
polish - 2 changes by voythas
russian - 2 changes by Lone_Wolf
serbian - 2 changes by etran
spanish - 2 changes by Terkhen
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r12329:a23a488e4b7e r12329:a23a488e4b7e r5676:e4a5055c9100 r5676:e4a5055c9100 r5676:e4a5055c9100 r5708:7ae0ffd22f15 r11967:df0600d2c7e7 r11967:df0600d2c7e7 r11967:df0600d2c7e7 r11967:df0600d2c7e7 | /* $Id$ */
/*
* This file is part of OpenTTD.
* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file station.cpp Implementation of the station base class. */
#include "stdafx.h"
#include "company_func.h"
#include "company_base.h"
#include "roadveh.h"
#include "functions.h"
#include "window_func.h"
#include "date_func.h"
#include "command_func.h"
#include "news_func.h"
#include "aircraft.h"
#include "vehiclelist.h"
#include "core/pool_func.hpp"
#include "station_base.h"
#include "roadstop_base.h"
#include "industry.h"
#include "core/random_func.hpp"
#include "table/strings.h"
StationPool _station_pool("Station");
INSTANTIATE_POOL_METHODS(Station)
BaseStation::~BaseStation()
{
free(this->name);
free(this->speclist);
if (CleaningPool()) return;
Owner owner = this->owner;
if (!Company::IsValidID(owner)) owner = _local_company;
if (!Company::IsValidID(owner)) return; // Spectators
DeleteWindowById(WC_TRAINS_LIST, VehicleListIdentifier(VL_STATION_LIST, VEH_TRAIN, owner, this->index).Pack());
DeleteWindowById(WC_ROADVEH_LIST, VehicleListIdentifier(VL_STATION_LIST, VEH_ROAD, owner, this->index).Pack());
DeleteWindowById(WC_SHIPS_LIST, VehicleListIdentifier(VL_STATION_LIST, VEH_SHIP, owner, this->index).Pack());
DeleteWindowById(WC_AIRCRAFT_LIST, VehicleListIdentifier(VL_STATION_LIST, VEH_AIRCRAFT, owner, this->index).Pack());
this->sign.MarkDirty();
}
Station::Station(TileIndex tile) :
SpecializedStation<Station, false>(tile),
bus_station(INVALID_TILE, 0, 0),
truck_station(INVALID_TILE, 0, 0),
dock_tile(INVALID_TILE),
indtype(IT_INVALID),
time_since_load(255),
time_since_unload(255),
last_vehicle_type(VEH_INVALID)
{
/* this->random_bits is set in Station::AddFacility() */
}
/**
* Clean up a station by clearing vehicle orders and invalidating windows.
* Aircraft-Hangar orders need special treatment here, as the hangars are
* actually part of a station (tiletype is STATION), but the order type
* is OT_GOTO_DEPOT.
*/
Station::~Station()
{
if (CleaningPool()) return;
while (!this->loading_vehicles.empty()) {
this->loading_vehicles.front()->LeaveStation();
}
Aircraft *a;
FOR_ALL_AIRCRAFT(a) {
if (!a->IsNormalAircraft()) continue;
if (a->targetairport == this->index) a->targetairport = INVALID_STATION;
}
Vehicle *v;
FOR_ALL_VEHICLES(v) {
/* Forget about this station if this station is removed */
if (v->last_station_visited == this->index) {
v->last_station_visited = INVALID_STATION;
}
}
InvalidateWindowData(WC_STATION_LIST, this->owner, 0);
DeleteWindowById(WC_STATION_VIEW, index);
/* Now delete all orders that go to the station */
RemoveOrderFromAllVehicles(OT_GOTO_STATION, this->index);
/* Remove all news items */
DeleteStationNews(this->index);
for (CargoID c = 0; c < NUM_CARGO; c++) {
this->goods[c].cargo.Truncate(0);
}
CargoPacket::InvalidateAllFrom(this->index);
}
/**
* Invalidating of the JoinStation window has to be done
* after removing item from the pool.
* @param index index of deleted item
*/
void BaseStation::PostDestructor(size_t index)
{
InvalidateWindowData(WC_SELECT_STATION, 0, 0);
}
/**
* Get the primary road stop (the first road stop) that the given vehicle can load/unload.
* @param v the vehicle to get the first road stop for
* @return the first roadstop that this vehicle can load at
*/
RoadStop *Station::GetPrimaryRoadStop(const RoadVehicle *v) const
{
RoadStop *rs = this->GetPrimaryRoadStop(v->IsBus() ? ROADSTOP_BUS : ROADSTOP_TRUCK);
for (; rs != NULL; rs = rs->next) {
/* The vehicle cannot go to this roadstop (different roadtype) */
if ((GetRoadTypes(rs->xy) & v->compatible_roadtypes) == ROADTYPES_NONE) continue;
/* The vehicle is articulated and can therefor not go the a standard road stop */
if (IsStandardRoadStopTile(rs->xy) && v->HasArticulatedPart()) continue;
/* The vehicle can actually go to this road stop. So, return it! */
break;
}
return rs;
}
/**
* Called when new facility is built on the station. If it is the first facility
* it initializes also 'xy' and 'random_bits' members
*/
void Station::AddFacility(StationFacility new_facility_bit, TileIndex facil_xy)
{
if (this->facilities == FACIL_NONE) {
this->xy = facil_xy;
this->random_bits = Random();
}
this->facilities |= new_facility_bit;
this->owner = _current_company;
this->build_date = _date;
}
void Station::MarkTilesDirty(bool cargo_change) const
{
TileIndex tile = this->train_station.tile;
int w, h;
if (tile == INVALID_TILE) return;
/* cargo_change is set if we're refreshing the tiles due to cargo moving
* around. */
if (cargo_change) {
/* Don't waste time updating if there are no custom station graphics
* that might change. Even if there are custom graphics, they might
* not change. Unfortunately we have no way of telling. */
if (this->num_specs == 0) return;
}
for (h = 0; h < train_station.h; h++) {
for (w = 0; w < train_station.w; w++) {
if (this->TileBelongsToRailStation(tile)) {
MarkTileDirtyByTile(tile);
}
tile += TileDiffXY(1, 0);
}
tile += TileDiffXY(-w, 1);
}
}
/* virtual */ uint Station::GetPlatformLength(TileIndex tile) const
{
assert(this->TileBelongsToRailStation(tile));
TileIndexDiff delta = (GetRailStationAxis(tile) == AXIS_X ? TileDiffXY(1, 0) : TileDiffXY(0, 1));
TileIndex t = tile;
uint len = 0;
do {
t -= delta;
len++;
} while (IsCompatibleTrainStationTile(t, tile));
t = tile;
do {
t += delta;
len++;
} while (IsCompatibleTrainStationTile(t, tile));
return len - 1;
}
/* virtual */ uint Station::GetPlatformLength(TileIndex tile, DiagDirection dir) const
{
TileIndex start_tile = tile;
uint length = 0;
assert(IsRailStationTile(tile));
assert(dir < DIAGDIR_END);
do {
length++;
tile += TileOffsByDiagDir(dir);
} while (IsCompatibleTrainStationTile(tile, start_tile));
return length;
}
/**
* Determines the catchment radius of the station
* @return The radius
*/
uint Station::GetCatchmentRadius() const
{
uint ret = CA_NONE;
if (_settings_game.station.modified_catchment) {
if (this->bus_stops != NULL) ret = max<uint>(ret, CA_BUS);
if (this->truck_stops != NULL) ret = max<uint>(ret, CA_TRUCK);
if (this->train_station.tile != INVALID_TILE) ret = max<uint>(ret, CA_TRAIN);
if (this->dock_tile != INVALID_TILE) ret = max<uint>(ret, CA_DOCK);
if (this->airport.tile != INVALID_TILE) ret = max<uint>(ret, this->airport.GetSpec()->catchment);
} else {
if (this->bus_stops != NULL || this->truck_stops != NULL || this->train_station.tile != INVALID_TILE || this->dock_tile != INVALID_TILE || this->airport.tile != INVALID_TILE) {
ret = CA_UNMODIFIED;
}
}
return ret;
}
/**
* Determines catchment rectangle of this station
* @return clamped catchment rectangle
*/
Rect Station::GetCatchmentRect() const
{
assert(!this->rect.IsEmpty());
/* Compute acceptance rectangle */
int catchment_radius = this->GetCatchmentRadius();
Rect ret = {
max<int>(this->rect.left - catchment_radius, 0),
max<int>(this->rect.top - catchment_radius, 0),
min<int>(this->rect.right + catchment_radius, MapMaxX()),
min<int>(this->rect.bottom + catchment_radius, MapMaxY())
};
return ret;
}
/** Rect and pointer to IndustryVector */
struct RectAndIndustryVector {
Rect rect;
IndustryVector *industries_near;
};
/**
* Callback function for Station::RecomputeIndustriesNear()
* Tests whether tile is an industry and possibly adds
* the industry to station's industries_near list.
* @param ind_tile tile to check
* @param user_data pointer to RectAndIndustryVector
* @return always false, we want to search all tiles
*/
static bool FindIndustryToDeliver(TileIndex ind_tile, void *user_data)
{
/* Only process industry tiles */
if (!IsTileType(ind_tile, MP_INDUSTRY)) return false;
RectAndIndustryVector *riv = (RectAndIndustryVector *)user_data;
Industry *ind = Industry::GetByTile(ind_tile);
/* Don't check further if this industry is already in the list */
if (riv->industries_near->Contains(ind)) return false;
/* Only process tiles in the station acceptance rectangle */
int x = TileX(ind_tile);
int y = TileY(ind_tile);
if (x < riv->rect.left || x > riv->rect.right || y < riv->rect.top || y > riv->rect.bottom) return false;
/* Include only industries that can accept cargo */
uint cargo_index;
for (cargo_index = 0; cargo_index < lengthof(ind->accepts_cargo); cargo_index++) {
if (ind->accepts_cargo[cargo_index] != CT_INVALID) break;
}
if (cargo_index >= lengthof(ind->accepts_cargo)) return false;
*riv->industries_near->Append() = ind;
return false;
}
/**
* Recomputes Station::industries_near, list of industries possibly
* accepting cargo in station's catchment radius
*/
void Station::RecomputeIndustriesNear()
{
this->industries_near.Clear();
if (this->rect.IsEmpty()) return;
RectAndIndustryVector riv = {
this->GetCatchmentRect(),
&this->industries_near
};
/* Compute maximum extent of acceptance rectangle wrt. station sign */
TileIndex start_tile = this->xy;
uint max_radius = max(
max(DistanceManhattan(start_tile, TileXY(riv.rect.left, riv.rect.top)), DistanceManhattan(start_tile, TileXY(riv.rect.left, riv.rect.bottom))),
max(DistanceManhattan(start_tile, TileXY(riv.rect.right, riv.rect.top)), DistanceManhattan(start_tile, TileXY(riv.rect.right, riv.rect.bottom)))
);
CircularTileSearch(&start_tile, 2 * max_radius + 1, &FindIndustryToDeliver, &riv);
}
/**
* Recomputes Station::industries_near for all stations
*/
/* static */ void Station::RecomputeIndustriesNearForAll()
{
Station *st;
FOR_ALL_STATIONS(st) st->RecomputeIndustriesNear();
}
/************************************************************************/
/* StationRect implementation */
/************************************************************************/
StationRect::StationRect()
{
this->MakeEmpty();
}
void StationRect::MakeEmpty()
{
this->left = this->top = this->right = this->bottom = 0;
}
/**
* Determines whether a given point (x, y) is within a certain distance of
* the station rectangle.
* @note x and y are in Tile coordinates
* @param x X coordinate
* @param y Y coordinate
* @param distance The maxmium distance a point may have (L1 norm)
* @return true if the point is within distance tiles of the station rectangle
*/
bool StationRect::PtInExtendedRect(int x, int y, int distance) const
{
return
this->left - distance <= x &&
x <= this->right + distance &&
this->top - distance <= y &&
y <= this->bottom + distance;
}
bool StationRect::IsEmpty() const
{
return this->left == 0 || this->left > this->right || this->top > this->bottom;
}
CommandCost StationRect::BeforeAddTile(TileIndex tile, StationRectMode mode)
{
int x = TileX(tile);
int y = TileY(tile);
if (this->IsEmpty()) {
/* we are adding the first station tile */
if (mode != ADD_TEST) {
this->left = this->right = x;
this->top = this->bottom = y;
}
} else if (!this->PtInExtendedRect(x, y)) {
/* current rect is not empty and new point is outside this rect
* make new spread-out rectangle */
Rect new_rect = {min(x, this->left), min(y, this->top), max(x, this->right), max(y, this->bottom)};
/* check new rect dimensions against preset max */
int w = new_rect.right - new_rect.left + 1;
int h = new_rect.bottom - new_rect.top + 1;
if (mode != ADD_FORCE && (w > _settings_game.station.station_spread || h > _settings_game.station.station_spread)) {
assert(mode != ADD_TRY);
return_cmd_error(STR_ERROR_STATION_TOO_SPREAD_OUT);
}
/* spread-out ok, return true */
if (mode != ADD_TEST) {
/* we should update the station rect */
*this = new_rect;
}
} else {
; // new point is inside the rect, we don't need to do anything
}
return CommandCost();
}
CommandCost StationRect::BeforeAddRect(TileIndex tile, int w, int h, StationRectMode mode)
{
if (mode == ADD_FORCE || (w <= _settings_game.station.station_spread && h <= _settings_game.station.station_spread)) {
/* Important when the old rect is completely inside the new rect, resp. the old one was empty. */
CommandCost ret = this->BeforeAddTile(tile, mode);
if (ret.Succeeded()) ret = this->BeforeAddTile(TILE_ADDXY(tile, w - 1, h - 1), mode);
return ret;
}
return CommandCost();
}
/**
* Check whether station tiles of the given station id exist in the given rectangle
* @param st_id Station ID to look for in the rectangle
* @param left_a Minimal tile X edge of the rectangle
* @param top_a Minimal tile Y edge of the rectangle
* @param right_a Maximal tile X edge of the rectangle (inclusive)
* @param bottom_a Maximal tile Y edge of the rectangle (inclusive)
* @return \c true if a station tile with the given \a st_id exists in the rectangle, \c false otherwise
*/
/* static */ bool StationRect::ScanForStationTiles(StationID st_id, int left_a, int top_a, int right_a, int bottom_a)
{
TileIndex top_left = TileXY(left_a, top_a);
int width = right_a - left_a + 1;
int height = bottom_a - top_a + 1;
TILE_LOOP(tile, width, height, top_left) {
if (IsTileType(tile, MP_STATION) && GetStationIndex(tile) == st_id) return true;
}
return false;
}
bool StationRect::AfterRemoveTile(BaseStation *st, TileIndex tile)
{
int x = TileX(tile);
int y = TileY(tile);
/* look if removed tile was on the bounding rect edge
* and try to reduce the rect by this edge
* do it until we have empty rect or nothing to do */
for (;;) {
/* check if removed tile is on rect edge */
bool left_edge = (x == this->left);
bool right_edge = (x == this->right);
bool top_edge = (y == this->top);
bool bottom_edge = (y == this->bottom);
/* can we reduce the rect in either direction? */
bool reduce_x = ((left_edge || right_edge) && !ScanForStationTiles(st->index, x, this->top, x, this->bottom));
bool reduce_y = ((top_edge || bottom_edge) && !ScanForStationTiles(st->index, this->left, y, this->right, y));
if (!(reduce_x || reduce_y)) break; // nothing to do (can't reduce)
if (reduce_x) {
/* reduce horizontally */
if (left_edge) {
/* move left edge right */
this->left = x = x + 1;
} else {
/* move right edge left */
this->right = x = x - 1;
}
}
if (reduce_y) {
/* reduce vertically */
if (top_edge) {
/* move top edge down */
this->top = y = y + 1;
} else {
/* move bottom edge up */
this->bottom = y = y - 1;
}
}
if (left > right || top > bottom) {
/* can't continue, if the remaining rectangle is empty */
this->MakeEmpty();
return true; // empty remaining rect
}
}
return false; // non-empty remaining rect
}
bool StationRect::AfterRemoveRect(BaseStation *st, TileArea ta)
{
assert(this->PtInExtendedRect(TileX(ta.tile), TileY(ta.tile)));
assert(this->PtInExtendedRect(TileX(ta.tile) + ta.w - 1, TileY(ta.tile) + ta.h - 1));
bool empty = this->AfterRemoveTile(st, ta.tile);
if (ta.w != 1 || ta.h != 1) empty = empty || this->AfterRemoveTile(st, TILE_ADDXY(ta.tile, ta.w - 1, ta.h - 1));
return empty;
}
StationRect& StationRect::operator = (const Rect &src)
{
this->left = src.left;
this->top = src.top;
this->right = src.right;
this->bottom = src.bottom;
return *this;
}
void InitializeStations()
{
_station_pool.CleanPool();
}
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