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OpenTTD-patches/src/airport.cpp

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/* $Id$ */
/*
* 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 airport.cpp Functions related to airports. */
#include "stdafx.h"
#include "debug.h"
#include "airport.h"
#include "airport_movement.h"
#include "core/alloc_func.hpp"
#include "date_func.h"
#include "settings_type.h"
/* 8-66 are mapped to 0-58, 83+ are mapped to 59+ */
enum AirportTiles {
APT_APRON = 0,
APT_APRON_FENCE_NW = 1,
APT_APRON_FENCE_SW = 2,
APT_STAND = 3,
APT_APRON_W = 4,
APT_APRON_S = 5,
APT_APRON_VER_CROSSING_S = 6,
APT_APRON_HOR_CROSSING_W = 7,
APT_APRON_VER_CROSSING_N = 8,
APT_APRON_HOR_CROSSING_E = 9,
APT_APRON_E = 10,
APT_ARPON_N = 11,
APT_APRON_HOR = 12,
APT_APRON_N_FENCE_SW = 13,
APT_RUNWAY_1 = 14,
APT_RUNWAY_2 = 15,
APT_RUNWAY_3 = 16,
APT_RUNWAY_4 = 17,
APT_RUNWAY_END_FENCE_SE = 18,
APT_BUILDING_2 = 19,
APT_TOWER_FENCE_SW = 20,
APT_ROUND_TERMINAL = 21,
APT_BUILDING_3 = 22,
APT_BUILDING_1 = 23,
APT_DEPOT_SE = 24,
APT_STAND_1 = 25,
APT_STAND_PIER_NE = 26,
APT_PIER_NW_NE = 27,
APT_PIER = 28,
APT_EMPTY = 29,
APT_EMPTY_FENCE_NE = 30,
APT_RADAR_GRASS_FENCE_SW = 31,
/* 32-42 are for turning the radar */
APT_RADIO_TOWER_FENCE_NE = 43,
APT_SMALL_BUILDING_3 = 44,
APT_SMALL_BUILDING_2 = 45,
APT_SMALL_BUILDING_1 = 46,
APT_GRASS_FENCE_SW = 47,
APT_GRASS_2 = 48,
APT_GRASS_1 = 49,
APT_GRASS_FENCE_NE_FLAG = 50,
/* 51-53 are for flag animation */
APT_RUNWAY_SMALL_NEAR_END = 54,
APT_RUNWAY_SMALL_MIDDLE = 55,
APT_RUNWAY_SMALL_FAR_END = 56,
APT_SMALL_DEPOT_SE = 57,
APT_HELIPORT = 58,
APT_RUNWAY_END = 59,
APT_RUNWAY_5 = 60,
APT_TOWER = 61,
APT_SMALL_DEPOT_SE_2 = 62, // unused (copy of APT_SMALL_DEPOT_SE)
APT_APRON_FENCE_NE = 63,
APT_RUNWAY_END_FENCE_NW = 64,
APT_RUNWAY_FENCE_NW = 65,
APT_RADAR_FENCE_SW = 66,
/* 67-77 are for turning the radar */
APT_RADAR_FENCE_NE = 78,
/* 79-89 are for turning the radar */
APT_HELIPAD_1 = 90,
APT_HELIPAD_2_FENCE_NW = 91,
APT_HELIPAD_2 = 92,
APT_APRON_FENCE_NE_SW = 93,
APT_RUNWAY_END_FENCE_NW_SW = 94,
APT_RUNWAY_END_FENCE_SE_SW = 95,
APT_RUNWAY_END_FENCE_NE_NW = 96,
APT_RUNWAY_END_FENCE_NE_SE = 97,
APT_HELIPAD_2_FENCE_NE_SE = 98,
APT_APRON_FENCE_SE_SW = 99,
APT_LOW_BUILDING_FENCE_N = 100,
APT_ROT_RUNWAY_FENCE_NE = 101, // unused
APT_ROT_RUNWAY_END_FENCE_NE= 102, // unused
APT_ROT_RUNWAY_FENCE_SW = 103, // unused
APT_ROT_RUNWAY_END_FENCE_SW= 104, // unused
APT_DEPOT_SW = 105, // unused
APT_DEPOT_NW = 106, // unused
APT_DEPOT_NE = 107, // unused
APT_HELIPAD_2_FENCE_SE_SW = 108, // unused
APT_HELIPAD_2_FENCE_SE = 109, // unused
APT_LOW_BUILDING_FENCE_NW = 110,
APT_LOW_BUILDING_FENCE_NE = 111, // unused
APT_LOW_BUILDING_FENCE_SW = 112, // unused
APT_LOW_BUILDING_FENCE_SE = 113, // unused
APT_STAND_FENCE_NE = 114, // unused
APT_STAND_FENCE_SE = 115, // unused
APT_STAND_FENCE_SW = 116, // unused
APT_APRON_FENCE_NE_2 = 117, // unused (copy of APT_APRON_FENCE_NE)
APT_APRON_FENCE_SE = 118,
APT_HELIPAD_2_FENCE_NW_SW = 119, // unused
APT_HELIPAD_2_FENCE_SW = 120, // unused
APT_RADAR_FENCE_SE = 121, // unused
/* 122-132 used for radar rotation */
APT_HELIPAD_3_FENCE_SE_SW = 133,
APT_HELIPAD_3_FENCE_NW_SW = 134,
APT_HELIPAD_3_FENCE_NW = 135,
APT_LOW_BUILDING = 136,
APT_APRON_FENCE_NE_SE = 137,
APT_APRON_HALF_EAST = 138,
APT_APRON_HALF_WEST = 139,
APT_GRASS_FENCE_NE_FLAG_2 = 140,
/* 141-143 used for flag animation */
};
/** Tiles for Country Airfield (small) */
static const byte _airport_sections_country[] = {
APT_SMALL_BUILDING_1, APT_SMALL_BUILDING_2, APT_SMALL_BUILDING_3, APT_SMALL_DEPOT_SE,
APT_GRASS_FENCE_NE_FLAG, APT_GRASS_1, APT_GRASS_2, APT_GRASS_FENCE_SW,
APT_RUNWAY_SMALL_FAR_END, APT_RUNWAY_SMALL_MIDDLE, APT_RUNWAY_SMALL_MIDDLE, APT_RUNWAY_SMALL_NEAR_END
};
/** Tiles for City Airport (large) */
static const byte _airport_sections_town[] = {
APT_BUILDING_1, APT_APRON_FENCE_NW, APT_STAND_1, APT_APRON_FENCE_NW, APT_APRON_FENCE_NW, APT_DEPOT_SE,
APT_BUILDING_2, APT_PIER, APT_ROUND_TERMINAL, APT_STAND_PIER_NE, APT_APRON, APT_APRON_FENCE_SW,
APT_BUILDING_3, APT_STAND, APT_PIER_NW_NE, APT_APRON_S, APT_APRON_HOR, APT_APRON_N_FENCE_SW,
APT_RADIO_TOWER_FENCE_NE, APT_APRON_W, APT_APRON_VER_CROSSING_S, APT_APRON_HOR_CROSSING_E, APT_ARPON_N, APT_TOWER_FENCE_SW,
APT_EMPTY_FENCE_NE, APT_APRON_S, APT_APRON_HOR_CROSSING_W, APT_APRON_VER_CROSSING_N, APT_APRON_E, APT_RADAR_GRASS_FENCE_SW,
APT_RUNWAY_END_FENCE_SE, APT_RUNWAY_1, APT_RUNWAY_2, APT_RUNWAY_3, APT_RUNWAY_4, APT_RUNWAY_END_FENCE_SE
};
/** Tiles for Metropolitain Airport (large) - 2 runways */
static const byte _airport_sections_metropolitan[] = {
APT_BUILDING_1, APT_APRON_FENCE_NW, APT_STAND_1, APT_APRON_FENCE_NW, APT_APRON_FENCE_NW, APT_DEPOT_SE,
APT_BUILDING_2, APT_PIER, APT_ROUND_TERMINAL, APT_STAND_PIER_NE, APT_APRON, APT_APRON_FENCE_SW,
APT_BUILDING_3, APT_STAND, APT_PIER_NW_NE, APT_APRON_S, APT_APRON_HOR, APT_APRON_N_FENCE_SW,
APT_RADAR_FENCE_NE, APT_APRON, APT_APRON, APT_APRON, APT_APRON, APT_TOWER_FENCE_SW,
APT_RUNWAY_END, APT_RUNWAY_5, APT_RUNWAY_5, APT_RUNWAY_5, APT_RUNWAY_5, APT_RUNWAY_END,
APT_RUNWAY_END_FENCE_SE, APT_RUNWAY_2, APT_RUNWAY_2, APT_RUNWAY_2, APT_RUNWAY_2, APT_RUNWAY_END_FENCE_SE
};
/** Tiles for International Airport (large) - 2 runways */
static const byte _airport_sections_international[] = {
APT_RUNWAY_END_FENCE_NW, APT_RUNWAY_FENCE_NW, APT_RUNWAY_FENCE_NW, APT_RUNWAY_FENCE_NW, APT_RUNWAY_FENCE_NW, APT_RUNWAY_FENCE_NW, APT_RUNWAY_END_FENCE_NW,
APT_RADIO_TOWER_FENCE_NE, APT_APRON, APT_APRON, APT_APRON, APT_APRON, APT_APRON, APT_DEPOT_SE,
APT_BUILDING_3, APT_APRON, APT_STAND, APT_BUILDING_2, APT_STAND, APT_APRON, APT_APRON_FENCE_SW,
APT_DEPOT_SE, APT_APRON, APT_STAND, APT_BUILDING_2, APT_STAND, APT_APRON, APT_HELIPAD_1,
APT_APRON_FENCE_NE, APT_APRON, APT_STAND, APT_TOWER, APT_STAND, APT_APRON, APT_HELIPAD_1,
APT_APRON_FENCE_NE, APT_APRON, APT_APRON, APT_APRON, APT_APRON, APT_APRON, APT_RADAR_FENCE_SW,
APT_RUNWAY_END_FENCE_SE, APT_RUNWAY_2, APT_RUNWAY_2, APT_RUNWAY_2, APT_RUNWAY_2, APT_RUNWAY_2, APT_RUNWAY_END_FENCE_SE
};
/** Tiles for Intercontinental Airport (vlarge) - 4 runways */
static const byte _airport_sections_intercontinental[] = {
APT_RADAR_FENCE_NE, APT_RUNWAY_END_FENCE_NE_NW, APT_RUNWAY_FENCE_NW, APT_RUNWAY_FENCE_NW, APT_RUNWAY_FENCE_NW, APT_RUNWAY_FENCE_NW, APT_RUNWAY_FENCE_NW, APT_RUNWAY_FENCE_NW, APT_RUNWAY_END_FENCE_NW_SW,
APT_RUNWAY_END_FENCE_NE_NW, APT_RUNWAY_2, APT_RUNWAY_2, APT_RUNWAY_2, APT_RUNWAY_2, APT_RUNWAY_2, APT_RUNWAY_2, APT_RUNWAY_END_FENCE_SE_SW, APT_APRON_FENCE_NE_SW,
APT_APRON_FENCE_NE, APT_SMALL_BUILDING_1, APT_APRON_FENCE_NE, APT_APRON, APT_APRON, APT_APRON, APT_APRON, APT_RADIO_TOWER_FENCE_NE, APT_APRON_FENCE_NE_SW,
APT_APRON_FENCE_NE, APT_APRON_HALF_EAST, APT_APRON_FENCE_NE, APT_TOWER, APT_HELIPAD_2, APT_HELIPAD_2, APT_APRON, APT_APRON_FENCE_NW, APT_APRON_FENCE_SW,
APT_APRON_FENCE_NE, APT_APRON, APT_APRON, APT_STAND, APT_BUILDING_1, APT_STAND, APT_APRON, APT_LOW_BUILDING, APT_DEPOT_SE,
APT_DEPOT_SE, APT_LOW_BUILDING, APT_APRON, APT_STAND, APT_BUILDING_2, APT_STAND, APT_APRON, APT_APRON, APT_APRON_FENCE_SW,
APT_APRON_FENCE_NE, APT_APRON, APT_APRON, APT_STAND, APT_BUILDING_3, APT_STAND, APT_APRON, APT_APRON, APT_APRON_FENCE_SW,
APT_APRON_FENCE_NE, APT_APRON_FENCE_SE, APT_APRON, APT_STAND, APT_ROUND_TERMINAL, APT_STAND, APT_APRON_FENCE_SW, APT_APRON_HALF_WEST, APT_APRON_FENCE_SW,
APT_APRON_FENCE_NE, APT_GRASS_FENCE_NE_FLAG_2, APT_APRON_FENCE_NE, APT_APRON, APT_APRON, APT_APRON, APT_APRON_FENCE_SW, APT_EMPTY, APT_APRON_FENCE_NE_SW,
APT_APRON_FENCE_NE, APT_RUNWAY_END_FENCE_NE_NW, APT_RUNWAY_FENCE_NW, APT_RUNWAY_FENCE_NW, APT_RUNWAY_FENCE_NW, APT_RUNWAY_FENCE_NW, APT_RUNWAY_FENCE_NW, APT_RUNWAY_FENCE_NW, APT_RUNWAY_END_FENCE_SE_SW,
APT_RUNWAY_END_FENCE_NE_SE, APT_RUNWAY_2, APT_RUNWAY_2, APT_RUNWAY_2, APT_RUNWAY_2, APT_RUNWAY_2, APT_RUNWAY_2, APT_RUNWAY_END_FENCE_SE_SW, APT_EMPTY
};
/** Tiles for Commuter Airfield (small) */
static const byte _airport_sections_commuter[] = {
APT_TOWER, APT_BUILDING_3, APT_HELIPAD_2_FENCE_NW, APT_HELIPAD_2_FENCE_NW, APT_DEPOT_SE,
APT_APRON_FENCE_NE, APT_APRON, APT_APRON, APT_APRON, APT_APRON_FENCE_SW,
APT_APRON_FENCE_NE, APT_STAND, APT_STAND, APT_STAND, APT_APRON_FENCE_SW,
APT_RUNWAY_END_FENCE_SE, APT_RUNWAY_2, APT_RUNWAY_2, APT_RUNWAY_2, APT_RUNWAY_END_FENCE_SE
};
/** Tiles for Heliport */
static const byte _airport_sections_heliport[] = {
APT_HELIPORT,
};
/** Tiles for Helidepot */
static const byte _airport_sections_helidepot[] = {
APT_LOW_BUILDING_FENCE_N, APT_DEPOT_SE,
APT_HELIPAD_2_FENCE_NE_SE, APT_APRON_FENCE_SE_SW
};
/** Tiles for Helistation */
static const byte _airport_sections_helistation[] = {
APT_DEPOT_SE, APT_LOW_BUILDING_FENCE_NW, APT_HELIPAD_3_FENCE_NW, APT_HELIPAD_3_FENCE_NW_SW,
APT_APRON_FENCE_NE_SE, APT_APRON_FENCE_SE, APT_APRON_FENCE_SE, APT_HELIPAD_3_FENCE_SE_SW
};
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
};
assert_compile(NUM_AIRPORTS == lengthof(_airport_sections));
/* Uncomment this to print out a full report of the airport-structure
* You should either use
* - true: full-report, print out every state and choice with string-names
* OR
* - false: give a summarized report which only shows current and next position */
//#define DEBUG_AIRPORT false
static AirportFTAClass *_dummy_airport;
static AirportFTAClass *_country_airport;
static AirportFTAClass *_city_airport;
static AirportFTAClass *_oilrig;
static AirportFTAClass *_heliport;
static AirportFTAClass *_metropolitan_airport;
static AirportFTAClass *_international_airport;
static AirportFTAClass *_commuter_airport;
static AirportFTAClass *_heli_depot;
static AirportFTAClass *_intercontinental_airport;
static AirportFTAClass *_heli_station;
void InitializeAirports()
{
_dummy_airport = new AirportFTAClass(
_airport_moving_data_dummy,
NULL,
NULL,
_airport_entries_dummy,
AirportFTAClass::ALL,
_airport_fta_dummy,
NULL,
0,
0, 0, 0,
0,
0,
MAX_YEAR + 1, MAX_YEAR + 1
);
_country_airport = new AirportFTAClass(
_airport_moving_data_country,
_airport_terminal_country,
NULL,
_airport_entries_country,
AirportFTAClass::ALL | AirportFTAClass::SHORT_STRIP,
_airport_fta_country,
_airport_depots_country,
lengthof(_airport_depots_country),
4, 3, 3,
0,
4,
0, 1959
);
_city_airport = new AirportFTAClass(
_airport_moving_data_town,
_airport_terminal_city,
NULL,
_airport_entries_city,
AirportFTAClass::ALL,
_airport_fta_city,
_airport_depots_city,
lengthof(_airport_depots_city),
6, 6, 5,
0,
5,
1955, MAX_YEAR
);
_metropolitan_airport = new AirportFTAClass(
_airport_moving_data_metropolitan,
_airport_terminal_metropolitan,
NULL,
_airport_entries_metropolitan,
AirportFTAClass::ALL,
_airport_fta_metropolitan,
_airport_depots_metropolitan,
lengthof(_airport_depots_metropolitan),
6, 6, 8,
0,
6,
1980, MAX_YEAR
);
_international_airport = new AirportFTAClass(
_airport_moving_data_international,
_airport_terminal_international,
_airport_helipad_international,
_airport_entries_international,
AirportFTAClass::ALL,
_airport_fta_international,
_airport_depots_international,
lengthof(_airport_depots_international),
7, 7, 17,
0,
8,
1990, MAX_YEAR
);
_intercontinental_airport = new AirportFTAClass(
_airport_moving_data_intercontinental,
_airport_terminal_intercontinental,
_airport_helipad_intercontinental,
_airport_entries_intercontinental,
AirportFTAClass::ALL,
_airport_fta_intercontinental,
_airport_depots_intercontinental,
lengthof(_airport_depots_intercontinental),
9, 11, 25,
0,
10,
2002, MAX_YEAR
);
_heliport = new AirportFTAClass(
_airport_moving_data_heliport,
NULL,
_airport_helipad_heliport_oilrig,
_airport_entries_heliport_oilrig,
AirportFTAClass::HELICOPTERS,
_airport_fta_heliport_oilrig,
NULL,
0,
1, 1, 1,
60,
4,
1963, MAX_YEAR
);
_oilrig = new AirportFTAClass(
_airport_moving_data_oilrig,
NULL,
_airport_helipad_heliport_oilrig,
_airport_entries_heliport_oilrig,
AirportFTAClass::HELICOPTERS,
_airport_fta_heliport_oilrig,
NULL,
0,
1, 1, 0,
54,
3,
MAX_YEAR + 1, MAX_YEAR + 1
);
_commuter_airport = new AirportFTAClass(
_airport_moving_data_commuter,
_airport_terminal_commuter,
_airport_helipad_commuter,
_airport_entries_commuter,
AirportFTAClass::ALL | AirportFTAClass::SHORT_STRIP,
_airport_fta_commuter,
_airport_depots_commuter,
lengthof(_airport_depots_commuter),
5, 4, 4,
0,
4,
1983, MAX_YEAR
);
_heli_depot = new AirportFTAClass(
_airport_moving_data_helidepot,
NULL,
_airport_helipad_helidepot,
_airport_entries_helidepot,
AirportFTAClass::HELICOPTERS,
_airport_fta_helidepot,
_airport_depots_helidepot,
lengthof(_airport_depots_helidepot),
2, 2, 2,
0,
4,
1976, MAX_YEAR
);
_heli_station = new AirportFTAClass(
_airport_moving_data_helistation,
NULL,
_airport_helipad_helistation,
_airport_entries_helistation,
AirportFTAClass::HELICOPTERS,
_airport_fta_helistation,
_airport_depots_helistation,
lengthof(_airport_depots_helistation),
4, 2, 3,
0,
4,
1980, MAX_YEAR
);
}
void UnInitializeAirports()
{
delete _dummy_airport;
delete _country_airport;
delete _city_airport;
delete _heliport;
delete _metropolitan_airport;
delete _international_airport;
delete _commuter_airport;
delete _heli_depot;
delete _intercontinental_airport;
delete _heli_station;
}
static uint16 AirportGetNofElements(const AirportFTAbuildup *apFA);
static AirportFTA *AirportBuildAutomata(uint nofelements, const AirportFTAbuildup *apFA);
static byte AirportGetTerminalCount(const byte *terminals, byte *groups);
static byte AirportTestFTA(uint nofelements, const AirportFTA *layout, const byte *terminals);
#ifdef DEBUG_AIRPORT
static void AirportPrintOut(uint nofelements, const AirportFTA *layout, bool full_report);
#endif
AirportFTAClass::AirportFTAClass(
const AirportMovingData *moving_data_,
const byte *terminals_,
const byte *helipads_,
const byte *entry_points_,
Flags flags_,
const AirportFTAbuildup *apFA,
const TileIndexDiffC *depots_,
const byte nof_depots_,
uint size_x_,
uint size_y_,
byte noise_level_,
byte delta_z_,
byte catchment_,
Year first_available_,
Year last_available_
) :
moving_data(moving_data_),
terminals(terminals_),
helipads(helipads_),
airport_depots(depots_),
flags(flags_),
nof_depots(nof_depots_),
nofelements(AirportGetNofElements(apFA)),
entry_points(entry_points_),
size_x(size_x_),
size_y(size_y_),
noise_level(noise_level_),
delta_z(delta_z_),
catchment(catchment_),
first_available(first_available_),
last_available(last_available_)
{
byte nofterminalgroups, nofhelipadgroups;
/* Set up the terminal and helipad count for an airport.
* TODO: If there are more than 10 terminals or 4 helipads, internal variables
* need to be changed, so don't allow that for now */
uint nofterminals = AirportGetTerminalCount(terminals, &nofterminalgroups);
if (nofterminals > MAX_TERMINALS) {
DEBUG(misc, 0, "[Ap] only a maximum of %d terminals are supported (requested %d)", MAX_TERMINALS, nofterminals);
assert(nofterminals <= MAX_TERMINALS);
}
uint nofhelipads = AirportGetTerminalCount(helipads, &nofhelipadgroups);
if (nofhelipads > MAX_HELIPADS) {
DEBUG(misc, 0, "[Ap] only a maximum of %d helipads are supported (requested %d)", MAX_HELIPADS, nofhelipads);
assert(nofhelipads <= MAX_HELIPADS);
}
/* Get the number of elements from the source table. We also double check this
* with the entry point which must be within bounds and use this information
* later on to build and validate the state machine */
for (DiagDirection i = DIAGDIR_BEGIN; i < DIAGDIR_END; i++) {
if (entry_points[i] >= nofelements) {
DEBUG(misc, 0, "[Ap] entry (%d) must be within the airport (maximum %d)", entry_points[i], nofelements);
assert(entry_points[i] < nofelements);
}
}
/* Build the state machine itself */
layout = AirportBuildAutomata(nofelements, apFA);
DEBUG(misc, 6, "[Ap] #count %3d; #term %2d (%dgrp); #helipad %2d (%dgrp); entries %3d, %3d, %3d, %3d",
nofelements, nofterminals, nofterminalgroups, nofhelipads, nofhelipadgroups,
entry_points[DIAGDIR_NE], entry_points[DIAGDIR_SE], entry_points[DIAGDIR_SW], entry_points[DIAGDIR_NW]);
/* Test if everything went allright. This is only a rude static test checking
* the symantic correctness. By no means does passing the test mean that the
* airport is working correctly or will not deadlock for example */
uint ret = AirportTestFTA(nofelements, layout, terminals);
if (ret != MAX_ELEMENTS) DEBUG(misc, 0, "[Ap] problem with element: %d", ret - 1);
assert(ret == MAX_ELEMENTS);
#ifdef DEBUG_AIRPORT
AirportPrintOut(nofelements, layout, DEBUG_AIRPORT);
#endif
}
AirportFTAClass::~AirportFTAClass()
{
for (uint i = 0; i < nofelements; i++) {
AirportFTA *current = layout[i].next;
while (current != NULL) {
AirportFTA *next = current->next;
free(current);
current = next;
};
}
free(layout);
}
bool AirportFTAClass::IsAvailable() const
{
if (_cur_year < this->first_available) return false;
if (_settings_game.station.never_expire_airports) return true;
return _cur_year <= this->last_available;
}
/** Get the number of elements of a source Airport state automata
* Since it is actually just a big array of AirportFTA types, we only
* know one element from the other by differing 'position' identifiers */
static uint16 AirportGetNofElements(const AirportFTAbuildup *apFA)
{
uint16 nofelements = 0;
int temp = apFA[0].position;
for (uint i = 0; i < MAX_ELEMENTS; i++) {
if (temp != apFA[i].position) {
nofelements++;
temp = apFA[i].position;
}
if (apFA[i].position == MAX_ELEMENTS) break;
}
return nofelements;
}
/** We calculate the terminal/helipod count based on the data passed to us
* This data (terminals) contains an index as a first element as to how many
* groups there are, and then the number of terminals for each group */
static byte AirportGetTerminalCount(const byte *terminals, byte *groups)
{
byte nof_terminals = 0;
*groups = 0;
if (terminals != NULL) {
uint i = terminals[0];
*groups = i;
while (i-- > 0) {
terminals++;
assert(*terminals != 0); // no empty groups please
nof_terminals += *terminals;
}
}
return nof_terminals;
}
static AirportFTA *AirportBuildAutomata(uint nofelements, const AirportFTAbuildup *apFA)
{
AirportFTA *FAutomata = MallocT<AirportFTA>(nofelements);
uint16 internalcounter = 0;
for (uint i = 0; i < nofelements; i++) {
AirportFTA *current = &FAutomata[i];
current->position = apFA[internalcounter].position;
current->heading = apFA[internalcounter].heading;
current->block = apFA[internalcounter].block;
current->next_position = apFA[internalcounter].next;
/* outgoing nodes from the same position, create linked list */
while (current->position == apFA[internalcounter + 1].position) {
AirportFTA *newNode = MallocT<AirportFTA>(1);
newNode->position = apFA[internalcounter + 1].position;
newNode->heading = apFA[internalcounter + 1].heading;
newNode->block = apFA[internalcounter + 1].block;
newNode->next_position = apFA[internalcounter + 1].next;
/* create link */
current->next = newNode;
current = current->next;
internalcounter++;
}
current->next = NULL;
internalcounter++;
}
return FAutomata;
}
static byte AirportTestFTA(uint nofelements, const AirportFTA *layout, const byte *terminals)
{
uint next_position = 0;
for (uint i = 0; i < nofelements; i++) {
uint position = layout[i].position;
if (position != next_position) return i;
const AirportFTA *first = &layout[i];
for (const AirportFTA *current = first; current != NULL; current = current->next) {
/* A heading must always be valid. The only exceptions are
* - multiple choices as start, identified by a special value of 255
* - terminal group which is identified by a special value of 255 */
if (current->heading > MAX_HEADINGS) {
if (current->heading != 255) return i;
if (current == first && current->next == NULL) return i;
if (current != first && current->next_position > terminals[0]) return i;
}
/* If there is only one choice, it must be at the end */
if (current->heading == 0 && current->next != NULL) return i;
/* Obviously the elements of the linked list must have the same identifier */
if (position != current->position) return i;
/* A next position must be within bounds */
if (current->next_position >= nofelements) return i;
}
next_position++;
}
return MAX_ELEMENTS;
}
#ifdef DEBUG_AIRPORT
static const char * const _airport_heading_strings[] = {
"TO_ALL",
"HANGAR",
"TERM1",
"TERM2",
"TERM3",
"TERM4",
"TERM5",
"TERM6",
"HELIPAD1",
"HELIPAD2",
"TAKEOFF",
"STARTTAKEOFF",
"ENDTAKEOFF",
"HELITAKEOFF",
"FLYING",
"LANDING",
"ENDLANDING",
"HELILANDING",
"HELIENDLANDING",
"TERM7",
"TERM8",
"HELIPAD3",
"HELIPAD4",
"DUMMY" // extra heading for 255
};
static void AirportPrintOut(uint nofelements, const AirportFTA *layout, bool full_report)
{
if (!full_report) printf("(P = Current Position; NP = Next Position)\n");
for (uint i = 0; i < nofelements; i++) {
for (const AirportFTA *current = &layout[i]; current != NULL; current = current->next) {
if (full_report) {
byte heading = (current->heading == 255) ? MAX_HEADINGS + 1 : current->heading;
printf("\tPos:%2d NPos:%2d Heading:%15s Block:%2d\n", current->position,
current->next_position, _airport_heading_strings[heading],
FindLastBit(current->block));
} else {
printf("P:%2d NP:%2d", current->position, current->next_position);
}
}
printf("\n");
}
}
#endif
const AirportFTAClass *GetAirport(const byte airport_type)
{
/* FIXME -- AircraftNextAirportPos_and_Order -> Needs something nicer, don't like this code
* needs constant change if more airports are added */
switch (airport_type) {
default: NOT_REACHED();
case AT_SMALL: return _country_airport;
case AT_LARGE: return _city_airport;
case AT_METROPOLITAN: return _metropolitan_airport;
case AT_HELIPORT: return _heliport;
case AT_OILRIG: return _oilrig;
case AT_INTERNATIONAL: return _international_airport;
case AT_COMMUTER: return _commuter_airport;
case AT_HELIDEPOT: return _heli_depot;
case AT_INTERCON: return _intercontinental_airport;
case AT_HELISTATION: return _heli_station;
case AT_DUMMY: return _dummy_airport;
}
}
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