(svn r6768) -Cleanup: For airports change *Airport to *apc (variable naming coding style

conformance (AirportFTAClass), *FA to *apFA (to better reflect its type 
 AirportFTAbuildup), and ->next_in_chain into ->next.
This commit is contained in:
Darkvater 2006-10-13 23:08:55 +00:00
parent c84ffc2f1f
commit 9c508259a9
4 changed files with 168 additions and 168 deletions

View File

@ -26,12 +26,12 @@
#include "newgrf_sound.h" #include "newgrf_sound.h"
#include "date.h" #include "date.h"
static bool AirportMove(Vehicle *v, const AirportFTAClass *Airport); static bool AirportMove(Vehicle *v, const AirportFTAClass *apc);
static bool AirportSetBlocks(Vehicle *v, AirportFTA *current_pos, const AirportFTAClass *Airport); static bool AirportSetBlocks(Vehicle *v, AirportFTA *current_pos, const AirportFTAClass *apc);
static bool AirportHasBlock(Vehicle *v, AirportFTA *current_pos, const AirportFTAClass *Airport); static bool AirportHasBlock(Vehicle *v, AirportFTA *current_pos, const AirportFTAClass *apc);
static bool AirportFindFreeTerminal(Vehicle *v, const AirportFTAClass *Airport); static bool AirportFindFreeTerminal(Vehicle *v, const AirportFTAClass *apc);
static bool AirportFindFreeHelipad(Vehicle *v, const AirportFTAClass *Airport); static bool AirportFindFreeHelipad(Vehicle *v, const AirportFTAClass *apc);
static void AirportGoToNextPosition(Vehicle *v, const AirportFTAClass *Airport); static void AirportGoToNextPosition(Vehicle *v, const AirportFTAClass *apc);
static void CrashAirplane(Vehicle *v); static void CrashAirplane(Vehicle *v);
static void AircraftNextAirportPos_and_Order(Vehicle *v); static void AircraftNextAirportPos_and_Order(Vehicle *v);
@ -1401,15 +1401,15 @@ static void AircraftLandAirplane(Vehicle *v)
static void AircraftNextAirportPos_and_Order(Vehicle *v) static void AircraftNextAirportPos_and_Order(Vehicle *v)
{ {
const Station* st; const Station* st;
const AirportFTAClass *Airport; const AirportFTAClass *apc;
if (v->current_order.type == OT_GOTO_STATION || if (v->current_order.type == OT_GOTO_STATION ||
v->current_order.type == OT_GOTO_DEPOT) v->current_order.type == OT_GOTO_DEPOT)
v->u.air.targetairport = v->current_order.dest; v->u.air.targetairport = v->current_order.dest;
st = GetStation(v->u.air.targetairport); st = GetStation(v->u.air.targetairport);
Airport = GetAirport(st->airport_type); apc = GetAirport(st->airport_type);
v->u.air.pos = v->u.air.previous_pos = Airport->entry_point; v->u.air.pos = v->u.air.previous_pos = apc->entry_point;
} }
static void AircraftLeaveHangar(Vehicle *v) static void AircraftLeaveHangar(Vehicle *v)
@ -1442,24 +1442,24 @@ static void AircraftLeaveHangar(Vehicle *v)
//////////////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////////////////
/////////////////// AIRCRAFT MOVEMENT SCHEME //////////////////////////////// /////////////////// AIRCRAFT MOVEMENT SCHEME ////////////////////////////////
//////////////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////////////////
static void AircraftEventHandler_EnterTerminal(Vehicle *v, const AirportFTAClass *Airport) static void AircraftEventHandler_EnterTerminal(Vehicle *v, const AirportFTAClass *apc)
{ {
AircraftEntersTerminal(v); AircraftEntersTerminal(v);
v->u.air.state = Airport->layout[v->u.air.pos].heading; v->u.air.state = apc->layout[v->u.air.pos].heading;
} }
static void AircraftEventHandler_EnterHangar(Vehicle *v, const AirportFTAClass *Airport) static void AircraftEventHandler_EnterHangar(Vehicle *v, const AirportFTAClass *apc)
{ {
VehicleEnterDepot(v); VehicleEnterDepot(v);
v->u.air.state = Airport->layout[v->u.air.pos].heading; v->u.air.state = apc->layout[v->u.air.pos].heading;
} }
// In an Airport Hangar // In an Airport Hangar
static void AircraftEventHandler_InHangar(Vehicle *v, const AirportFTAClass *Airport) static void AircraftEventHandler_InHangar(Vehicle *v, const AirportFTAClass *apc)
{ {
// if we just arrived, execute EnterHangar first // if we just arrived, execute EnterHangar first
if (v->u.air.previous_pos != v->u.air.pos) { if (v->u.air.previous_pos != v->u.air.pos) {
AircraftEventHandler_EnterHangar(v, Airport); AircraftEventHandler_EnterHangar(v, apc);
return; return;
} }
@ -1475,35 +1475,35 @@ static void AircraftEventHandler_InHangar(Vehicle *v, const AirportFTAClass *Air
return; return;
// if the block of the next position is busy, stay put // if the block of the next position is busy, stay put
if (AirportHasBlock(v, &Airport->layout[v->u.air.pos], Airport)) return; if (AirportHasBlock(v, &apc->layout[v->u.air.pos], apc)) return;
// We are already at the target airport, we need to find a terminal // We are already at the target airport, we need to find a terminal
if (v->current_order.dest == v->u.air.targetairport) { if (v->current_order.dest == v->u.air.targetairport) {
// FindFreeTerminal: // FindFreeTerminal:
// 1. Find a free terminal, 2. Occupy it, 3. Set the vehicle's state to that terminal // 1. Find a free terminal, 2. Occupy it, 3. Set the vehicle's state to that terminal
if (v->subtype != 0) { if (v->subtype != 0) {
if (!AirportFindFreeTerminal(v, Airport)) return; // airplane if (!AirportFindFreeTerminal(v, apc)) return; // airplane
} else { } else {
if (!AirportFindFreeHelipad(v, Airport)) return; // helicopter if (!AirportFindFreeHelipad(v, apc)) return; // helicopter
} }
} else { // Else prepare for launch. } else { // Else prepare for launch.
// airplane goto state takeoff, helicopter to helitakeoff // airplane goto state takeoff, helicopter to helitakeoff
v->u.air.state = (v->subtype != 0) ? TAKEOFF : HELITAKEOFF; v->u.air.state = (v->subtype != 0) ? TAKEOFF : HELITAKEOFF;
} }
AircraftLeaveHangar(v); AircraftLeaveHangar(v);
AirportMove(v, Airport); AirportMove(v, apc);
} }
// At one of the Airport's Terminals // At one of the Airport's Terminals
static void AircraftEventHandler_AtTerminal(Vehicle *v, const AirportFTAClass *Airport) static void AircraftEventHandler_AtTerminal(Vehicle *v, const AirportFTAClass *apc)
{ {
// if we just arrived, execute EnterTerminal first // if we just arrived, execute EnterTerminal first
if (v->u.air.previous_pos != v->u.air.pos) { if (v->u.air.previous_pos != v->u.air.pos) {
AircraftEventHandler_EnterTerminal(v, Airport); AircraftEventHandler_EnterTerminal(v, apc);
// on an airport with helipads, a helicopter will always land there // on an airport with helipads, a helicopter will always land there
// and get serviced at the same time - patch setting // and get serviced at the same time - patch setting
if (_patches.serviceathelipad) { if (_patches.serviceathelipad) {
if (v->subtype == 0 && Airport->helipads != NULL) { if (v->subtype == 0 && apc->helipads != NULL) {
// an exerpt of ServiceAircraft, without the invisibility stuff // an exerpt of ServiceAircraft, without the invisibility stuff
v->date_of_last_service = _date; v->date_of_last_service = _date;
v->breakdowns_since_last_service = 0; v->breakdowns_since_last_service = 0;
@ -1517,7 +1517,7 @@ static void AircraftEventHandler_AtTerminal(Vehicle *v, const AirportFTAClass *A
if (v->current_order.type == OT_NOTHING) return; if (v->current_order.type == OT_NOTHING) return;
// if the block of the next position is busy, stay put // if the block of the next position is busy, stay put
if (AirportHasBlock(v, &Airport->layout[v->u.air.pos], Airport)) { if (AirportHasBlock(v, &apc->layout[v->u.air.pos], apc)) {
return; return;
} }
@ -1541,34 +1541,34 @@ static void AircraftEventHandler_AtTerminal(Vehicle *v, const AirportFTAClass *A
v->current_order.flags = 0; v->current_order.flags = 0;
v->u.air.state = HANGAR; v->u.air.state = HANGAR;
} }
AirportMove(v, Airport); AirportMove(v, apc);
} }
static void AircraftEventHandler_General(Vehicle *v, const AirportFTAClass *Airport) static void AircraftEventHandler_General(Vehicle *v, const AirportFTAClass *apc)
{ {
DEBUG(misc, 0) ("OK, you shouldn't be here, check your Airport Scheme!"); DEBUG(misc, 0) ("OK, you shouldn't be here, check your Airport Scheme!");
assert(0); assert(0);
} }
static void AircraftEventHandler_TakeOff(Vehicle *v, const AirportFTAClass *Airport) { static void AircraftEventHandler_TakeOff(Vehicle *v, const AirportFTAClass *apc) {
PlayAircraftSound(v); // play takeoffsound for airplanes PlayAircraftSound(v); // play takeoffsound for airplanes
v->u.air.state = STARTTAKEOFF; v->u.air.state = STARTTAKEOFF;
} }
static void AircraftEventHandler_StartTakeOff(Vehicle *v, const AirportFTAClass *Airport) static void AircraftEventHandler_StartTakeOff(Vehicle *v, const AirportFTAClass *apc)
{ {
v->sprite_width = v->sprite_height = 24; // ??? no idea what this is v->sprite_width = v->sprite_height = 24; // ??? no idea what this is
v->u.air.state = ENDTAKEOFF; v->u.air.state = ENDTAKEOFF;
} }
static void AircraftEventHandler_EndTakeOff(Vehicle *v, const AirportFTAClass *Airport) static void AircraftEventHandler_EndTakeOff(Vehicle *v, const AirportFTAClass *apc)
{ {
v->u.air.state = FLYING; v->u.air.state = FLYING;
// get the next position to go to, differs per airport // get the next position to go to, differs per airport
AircraftNextAirportPos_and_Order(v); AircraftNextAirportPos_and_Order(v);
} }
static void AircraftEventHandler_HeliTakeOff(Vehicle *v, const AirportFTAClass *Airport) static void AircraftEventHandler_HeliTakeOff(Vehicle *v, const AirportFTAClass *apc)
{ {
const Player* p = GetPlayer(v->owner); const Player* p = GetPlayer(v->owner);
v->sprite_width = v->sprite_height = 24; // ??? no idea what this is v->sprite_width = v->sprite_height = 24; // ??? no idea what this is
@ -1589,7 +1589,7 @@ static void AircraftEventHandler_HeliTakeOff(Vehicle *v, const AirportFTAClass *
} }
} }
static void AircraftEventHandler_Flying(Vehicle *v, const AirportFTAClass *Airport) static void AircraftEventHandler_Flying(Vehicle *v, const AirportFTAClass *apc)
{ {
Station *st; Station *st;
byte landingtype; byte landingtype;
@ -1602,14 +1602,14 @@ static void AircraftEventHandler_Flying(Vehicle *v, const AirportFTAClass *Airpo
// all other airports --> all types of flying devices (ALL) // all other airports --> all types of flying devices (ALL)
// heliport/oilrig, etc --> no airplanes (HELICOPTERS_ONLY) // heliport/oilrig, etc --> no airplanes (HELICOPTERS_ONLY)
// runway busy or not allowed to use this airstation, circle // runway busy or not allowed to use this airstation, circle
if (v->subtype != Airport->acc_planes && if (v->subtype != apc->acc_planes &&
st->airport_tile != 0 && st->airport_tile != 0 &&
(st->owner == OWNER_NONE || st->owner == v->owner)) { (st->owner == OWNER_NONE || st->owner == v->owner)) {
// {32,FLYING,NOTHING_block,37}, {32,LANDING,N,33}, {32,HELILANDING,N,41}, // {32,FLYING,NOTHING_block,37}, {32,LANDING,N,33}, {32,HELILANDING,N,41},
// if it is an airplane, look for LANDING, for helicopter HELILANDING // if it is an airplane, look for LANDING, for helicopter HELILANDING
// it is possible to choose from multiple landing runways, so loop until a free one is found // it is possible to choose from multiple landing runways, so loop until a free one is found
landingtype = (v->subtype != 0) ? LANDING : HELILANDING; landingtype = (v->subtype != 0) ? LANDING : HELILANDING;
current = Airport->layout[v->u.air.pos].next_in_chain; current = apc->layout[v->u.air.pos].next;
while (current != NULL) { while (current != NULL) {
if (current->heading == landingtype) { if (current->heading == landingtype) {
// save speed before, since if AirportHasBlock is false, it resets them to 0 // save speed before, since if AirportHasBlock is false, it resets them to 0
@ -1617,26 +1617,26 @@ static void AircraftEventHandler_Flying(Vehicle *v, const AirportFTAClass *Airpo
// hack for speed thingie // hack for speed thingie
tcur_speed = v->cur_speed; tcur_speed = v->cur_speed;
tsubspeed = v->subspeed; tsubspeed = v->subspeed;
if (!AirportHasBlock(v, current, Airport)) { if (!AirportHasBlock(v, current, apc)) {
v->u.air.state = landingtype; // LANDING / HELILANDING v->u.air.state = landingtype; // LANDING / HELILANDING
// it's a bit dirty, but I need to set position to next position, otherwise // it's a bit dirty, but I need to set position to next position, otherwise
// if there are multiple runways, plane won't know which one it took (because // if there are multiple runways, plane won't know which one it took (because
// they all have heading LANDING). And also occupy that block! // they all have heading LANDING). And also occupy that block!
v->u.air.pos = current->next_position; v->u.air.pos = current->next_position;
SETBITS(st->airport_flags, Airport->layout[v->u.air.pos].block); SETBITS(st->airport_flags, apc->layout[v->u.air.pos].block);
return; return;
} }
v->cur_speed = tcur_speed; v->cur_speed = tcur_speed;
v->subspeed = tsubspeed; v->subspeed = tsubspeed;
} }
current = current->next_in_chain; current = current->next;
} }
} }
v->u.air.state = FLYING; v->u.air.state = FLYING;
v->u.air.pos = Airport->layout[v->u.air.pos].next_position; v->u.air.pos = apc->layout[v->u.air.pos].next_position;
} }
static void AircraftEventHandler_Landing(Vehicle *v, const AirportFTAClass *Airport) static void AircraftEventHandler_Landing(Vehicle *v, const AirportFTAClass *apc)
{ {
const Player* p = GetPlayer(v->owner); const Player* p = GetPlayer(v->owner);
AircraftLandAirplane(v); // maybe crash airplane AircraftLandAirplane(v); // maybe crash airplane
@ -1654,32 +1654,32 @@ static void AircraftEventHandler_Landing(Vehicle *v, const AirportFTAClass *Airp
} }
} }
static void AircraftEventHandler_HeliLanding(Vehicle *v, const AirportFTAClass *Airport) static void AircraftEventHandler_HeliLanding(Vehicle *v, const AirportFTAClass *apc)
{ {
AircraftLand(v); // helicopters don't crash AircraftLand(v); // helicopters don't crash
v->u.air.state = HELIENDLANDING; v->u.air.state = HELIENDLANDING;
} }
static void AircraftEventHandler_EndLanding(Vehicle *v, const AirportFTAClass *Airport) static void AircraftEventHandler_EndLanding(Vehicle *v, const AirportFTAClass *apc)
{ {
// next block busy, don't do a thing, just wait // next block busy, don't do a thing, just wait
if (AirportHasBlock(v, &Airport->layout[v->u.air.pos], Airport)) return; if (AirportHasBlock(v, &apc->layout[v->u.air.pos], apc)) return;
// if going to terminal (OT_GOTO_STATION) choose one // if going to terminal (OT_GOTO_STATION) choose one
// 1. in case all terminals are busy AirportFindFreeTerminal() returns false or // 1. in case all terminals are busy AirportFindFreeTerminal() returns false or
// 2. not going for terminal (but depot, no order), // 2. not going for terminal (but depot, no order),
// --> get out of the way to the hangar. // --> get out of the way to the hangar.
if (v->current_order.type == OT_GOTO_STATION) { if (v->current_order.type == OT_GOTO_STATION) {
if (AirportFindFreeTerminal(v, Airport)) return; if (AirportFindFreeTerminal(v, apc)) return;
} }
v->u.air.state = HANGAR; v->u.air.state = HANGAR;
} }
static void AircraftEventHandler_HeliEndLanding(Vehicle *v, const AirportFTAClass *Airport) static void AircraftEventHandler_HeliEndLanding(Vehicle *v, const AirportFTAClass *apc)
{ {
// next block busy, don't do a thing, just wait // next block busy, don't do a thing, just wait
if (AirportHasBlock(v, &Airport->layout[v->u.air.pos], Airport)) return; if (AirportHasBlock(v, &apc->layout[v->u.air.pos], apc)) return;
// if going to helipad (OT_GOTO_STATION) choose one. If airport doesn't have helipads, choose terminal // if going to helipad (OT_GOTO_STATION) choose one. If airport doesn't have helipads, choose terminal
// 1. in case all terminals/helipads are busy (AirportFindFreeHelipad() returns false) or // 1. in case all terminals/helipads are busy (AirportFindFreeHelipad() returns false) or
@ -1689,12 +1689,12 @@ static void AircraftEventHandler_HeliEndLanding(Vehicle *v, const AirportFTAClas
// the reason behind this is that if an airport has a terminal, it also has a hangar. Airplanes // the reason behind this is that if an airport has a terminal, it also has a hangar. Airplanes
// must go to a hangar. // must go to a hangar.
if (v->current_order.type == OT_GOTO_STATION) { if (v->current_order.type == OT_GOTO_STATION) {
if (AirportFindFreeHelipad(v, Airport)) return; if (AirportFindFreeHelipad(v, apc)) return;
} }
v->u.air.state = (Airport->nof_depots != 0) ? HANGAR : HELITAKEOFF; v->u.air.state = (apc->nof_depots != 0) ? HANGAR : HELITAKEOFF;
} }
typedef void AircraftStateHandler(Vehicle *v, const AirportFTAClass *Airport); typedef void AircraftStateHandler(Vehicle *v, const AirportFTAClass *apc);
static AircraftStateHandler * const _aircraft_state_handlers[] = { static AircraftStateHandler * const _aircraft_state_handlers[] = {
AircraftEventHandler_General, // TO_ALL = 0 AircraftEventHandler_General, // TO_ALL = 0
AircraftEventHandler_InHangar, // HANGAR = 1 AircraftEventHandler_InHangar, // HANGAR = 1
@ -1721,42 +1721,42 @@ static AircraftStateHandler * const _aircraft_state_handlers[] = {
AircraftEventHandler_AtTerminal, // HELIPAD4 = 22 AircraftEventHandler_AtTerminal, // HELIPAD4 = 22
}; };
static void AirportClearBlock(const Vehicle *v, const AirportFTAClass *Airport) static void AirportClearBlock(const Vehicle *v, const AirportFTAClass *apc)
{ {
// we have left the previous block, and entered the new one. Free the previous block // we have left the previous block, and entered the new one. Free the previous block
if (Airport->layout[v->u.air.previous_pos].block != Airport->layout[v->u.air.pos].block) { if (apc->layout[v->u.air.previous_pos].block != apc->layout[v->u.air.pos].block) {
Station *st = GetStation(v->u.air.targetairport); Station *st = GetStation(v->u.air.targetairport);
CLRBITS(st->airport_flags, Airport->layout[v->u.air.previous_pos].block); CLRBITS(st->airport_flags, apc->layout[v->u.air.previous_pos].block);
} }
} }
static void AirportGoToNextPosition(Vehicle *v, const AirportFTAClass *Airport) static void AirportGoToNextPosition(Vehicle *v, const AirportFTAClass *apc)
{ {
// if aircraft is not in position, wait until it is // if aircraft is not in position, wait until it is
if (!AircraftController(v)) return; if (!AircraftController(v)) return;
AirportClearBlock(v, Airport); AirportClearBlock(v, apc);
AirportMove(v, Airport); // move aircraft to next position AirportMove(v, apc); // move aircraft to next position
} }
// gets pos from vehicle and next orders // gets pos from vehicle and next orders
static bool AirportMove(Vehicle *v, const AirportFTAClass *Airport) static bool AirportMove(Vehicle *v, const AirportFTAClass *apc)
{ {
AirportFTA *current; AirportFTA *current;
byte prev_pos; byte prev_pos;
// error handling // error handling
if (v->u.air.pos >= Airport->nofelements) { if (v->u.air.pos >= apc->nofelements) {
DEBUG(misc, 0) ("position %d is not valid for current airport. Max position is %d", v->u.air.pos, Airport->nofelements-1); DEBUG(misc, 0) ("position %d is not valid for current airport. Max position is %d", v->u.air.pos, apc->nofelements-1);
assert(v->u.air.pos < Airport->nofelements); assert(v->u.air.pos < apc->nofelements);
} }
current = &Airport->layout[v->u.air.pos]; current = &apc->layout[v->u.air.pos];
// we have arrived in an important state (eg terminal, hangar, etc.) // we have arrived in an important state (eg terminal, hangar, etc.)
if (current->heading == v->u.air.state) { if (current->heading == v->u.air.state) {
prev_pos = v->u.air.pos; // location could be changed in state, so save it before-hand prev_pos = v->u.air.pos; // location could be changed in state, so save it before-hand
_aircraft_state_handlers[v->u.air.state](v, Airport); _aircraft_state_handlers[v->u.air.state](v, apc);
if (v->u.air.state != FLYING) v->u.air.previous_pos = prev_pos; if (v->u.air.state != FLYING) v->u.air.previous_pos = prev_pos;
return true; return true;
} }
@ -1764,8 +1764,8 @@ static bool AirportMove(Vehicle *v, const AirportFTAClass *Airport)
v->u.air.previous_pos = v->u.air.pos; // save previous location v->u.air.previous_pos = v->u.air.pos; // save previous location
// there is only one choice to move to // there is only one choice to move to
if (current->next_in_chain == NULL) { if (current->next == NULL) {
if (AirportSetBlocks(v, current, Airport)) { if (AirportSetBlocks(v, current, apc)) {
v->u.air.pos = current->next_position; v->u.air.pos = current->next_position;
} // move to next position } // move to next position
return false; return false;
@ -1775,28 +1775,28 @@ static bool AirportMove(Vehicle *v, const AirportFTAClass *Airport)
// matches our heading // matches our heading
do { do {
if (v->u.air.state == current->heading || current->heading == TO_ALL) { if (v->u.air.state == current->heading || current->heading == TO_ALL) {
if (AirportSetBlocks(v, current, Airport)) { if (AirportSetBlocks(v, current, apc)) {
v->u.air.pos = current->next_position; v->u.air.pos = current->next_position;
} // move to next position } // move to next position
return false; return false;
} }
current = current->next_in_chain; current = current->next;
} while (current != NULL); } while (current != NULL);
DEBUG(misc, 0) ("Cannot move further on Airport...! pos:%d state:%d", v->u.air.pos, v->u.air.state); DEBUG(misc, 0) ("Cannot move further on Airport...! pos:%d state:%d", v->u.air.pos, v->u.air.state);
DEBUG(misc, 0) ("Airport entry point: %d, Vehicle: %d", Airport->entry_point, v->index); DEBUG(misc, 0) ("Airport entry point: %d, Vehicle: %d", apc->entry_point, v->index);
assert(0); assert(0);
return false; return false;
} }
// returns true if the road ahead is busy, eg. you must wait before proceeding // returns true if the road ahead is busy, eg. you must wait before proceeding
static bool AirportHasBlock(Vehicle *v, AirportFTA *current_pos, const AirportFTAClass *Airport) static bool AirportHasBlock(Vehicle *v, AirportFTA *current_pos, const AirportFTAClass *apc)
{ {
const AirportFTA* reference = &Airport->layout[v->u.air.pos]; const AirportFTA* reference = &apc->layout[v->u.air.pos];
const AirportFTA* next = &Airport->layout[current_pos->next_position]; const AirportFTA* next = &apc->layout[current_pos->next_position];
// same block, then of course we can move // same block, then of course we can move
if (Airport->layout[current_pos->position].block != next->block) { if (apc->layout[current_pos->position].block != next->block) {
const Station* st = GetStation(v->u.air.targetairport); const Station* st = GetStation(v->u.air.targetairport);
uint32 airport_flags = next->block; uint32 airport_flags = next->block;
@ -1815,26 +1815,26 @@ static bool AirportHasBlock(Vehicle *v, AirportFTA *current_pos, const AirportFT
} }
// returns true on success. Eg, next block was free and we have occupied it // returns true on success. Eg, next block was free and we have occupied it
static bool AirportSetBlocks(Vehicle *v, AirportFTA *current_pos, const AirportFTAClass *Airport) static bool AirportSetBlocks(Vehicle *v, AirportFTA *current_pos, const AirportFTAClass *apc)
{ {
AirportFTA* next = &Airport->layout[current_pos->next_position]; AirportFTA* next = &apc->layout[current_pos->next_position];
AirportFTA* reference = &Airport->layout[v->u.air.pos]; AirportFTA* reference = &apc->layout[v->u.air.pos];
AirportFTA* current; AirportFTA* current;
// if the next position is in another block, check it and wait until it is free // if the next position is in another block, check it and wait until it is free
if ((Airport->layout[current_pos->position].block & next->block) != next->block) { if ((apc->layout[current_pos->position].block & next->block) != next->block) {
uint32 airport_flags = next->block; uint32 airport_flags = next->block;
Station* st = GetStation(v->u.air.targetairport); Station* st = GetStation(v->u.air.targetairport);
//search for all all elements in the list with the same state, and blocks != N //search for all all elements in the list with the same state, and blocks != N
// this means more blocks should be checked/set // this means more blocks should be checked/set
current = current_pos; current = current_pos;
if (current == reference) current = current->next_in_chain; if (current == reference) current = current->next;
while (current != NULL) { while (current != NULL) {
if (current->heading == current_pos->heading && current->block != 0) { if (current->heading == current_pos->heading && current->block != 0) {
airport_flags |= current->block; airport_flags |= current->block;
break; break;
} }
current = current->next_in_chain; current = current->next;
}; };
// if the block to be checked is in the next position, then exclude that from // if the block to be checked is in the next position, then exclude that from
@ -1868,17 +1868,17 @@ static bool FreeTerminal(Vehicle *v, byte i, byte last_terminal)
return false; return false;
} }
static uint GetNumTerminals(const AirportFTAClass *Airport) static uint GetNumTerminals(const AirportFTAClass *apc)
{ {
uint num = 0; uint num = 0;
uint i; uint i;
for (i = Airport->terminals[0]; i > 0; i--) num += Airport->terminals[i]; for (i = apc->terminals[0]; i > 0; i--) num += apc->terminals[i];
return num; return num;
} }
static bool AirportFindFreeTerminal(Vehicle *v, const AirportFTAClass *Airport) static bool AirportFindFreeTerminal(Vehicle *v, const AirportFTAClass *apc)
{ {
AirportFTA *temp; AirportFTA *temp;
Station *st; Station *st;
@ -1893,9 +1893,9 @@ static bool AirportFindFreeTerminal(Vehicle *v, const AirportFTAClass *Airport)
* possible groups are checked (in this case group 1, since that is after group 0). If that * possible groups are checked (in this case group 1, since that is after group 0). If that
* fails, then attempt fails and plane waits * fails, then attempt fails and plane waits
*/ */
if (Airport->terminals[0] > 1) { if (apc->terminals[0] > 1) {
st = GetStation(v->u.air.targetairport); st = GetStation(v->u.air.targetairport);
temp = Airport->layout[v->u.air.pos].next_in_chain; temp = apc->layout[v->u.air.pos].next;
while (temp != NULL) { while (temp != NULL) {
if (temp->heading == 255) { if (temp->heading == 255) {
if (!HASBITS(st->airport_flags, temp->block)) { if (!HASBITS(st->airport_flags, temp->block)) {
@ -1912,9 +1912,9 @@ static bool AirportFindFreeTerminal(Vehicle *v, const AirportFTAClass *Airport)
//that means, sum up all terminals of //that means, sum up all terminals of
//groups with lower number //groups with lower number
for (i = 1; i < target_group; i++) for (i = 1; i < target_group; i++)
group_start += Airport->terminals[i]; group_start += apc->terminals[i];
group_end = group_start + Airport->terminals[target_group]; group_end = group_start + apc->terminals[target_group];
if (FreeTerminal(v, group_start, group_end)) return true; if (FreeTerminal(v, group_start, group_end)) return true;
} }
} else { } else {
@ -1922,34 +1922,34 @@ static bool AirportFindFreeTerminal(Vehicle *v, const AirportFTAClass *Airport)
* So we cannot move */ * So we cannot move */
return false; return false;
} }
temp = temp->next_in_chain; temp = temp->next;
} }
} }
// if there is only 1 terminalgroup, all terminals are checked (starting from 0 to max) // if there is only 1 terminalgroup, all terminals are checked (starting from 0 to max)
return FreeTerminal(v, 0, GetNumTerminals(Airport)); return FreeTerminal(v, 0, GetNumTerminals(apc));
} }
static uint GetNumHelipads(const AirportFTAClass *Airport) static uint GetNumHelipads(const AirportFTAClass *apc)
{ {
uint num = 0; uint num = 0;
uint i; uint i;
for (i = Airport->helipads[0]; i > 0; i--) num += Airport->helipads[i]; for (i = apc->helipads[0]; i > 0; i--) num += apc->helipads[i];
return num; return num;
} }
static bool AirportFindFreeHelipad(Vehicle *v, const AirportFTAClass *Airport) static bool AirportFindFreeHelipad(Vehicle *v, const AirportFTAClass *apc)
{ {
// if an airport doesn't have helipads, use terminals // if an airport doesn't have helipads, use terminals
if (Airport->helipads == NULL) return AirportFindFreeTerminal(v, Airport); if (apc->helipads == NULL) return AirportFindFreeTerminal(v, apc);
// if there are more helicoptergroups, pick one, just as in AirportFindFreeTerminal() // if there are more helicoptergroups, pick one, just as in AirportFindFreeTerminal()
if (Airport->helipads[0] > 1) { if (apc->helipads[0] > 1) {
const Station* st = GetStation(v->u.air.targetairport); const Station* st = GetStation(v->u.air.targetairport);
const AirportFTA* temp = Airport->layout[v->u.air.pos].next_in_chain; const AirportFTA* temp = apc->layout[v->u.air.pos].next;
while (temp != NULL) { while (temp != NULL) {
if (temp->heading == 255) { if (temp->heading == 255) {
@ -1967,9 +1967,9 @@ static bool AirportFindFreeHelipad(Vehicle *v, const AirportFTAClass *Airport)
//that means, sum up all terminals of //that means, sum up all terminals of
//groups with lower number //groups with lower number
for (i = 1; i < target_group; i++) for (i = 1; i < target_group; i++)
group_start += Airport->helipads[i]; group_start += apc->helipads[i];
group_end = group_start + Airport->helipads[target_group]; group_end = group_start + apc->helipads[target_group];
if (FreeTerminal(v, group_start, group_end)) return true; if (FreeTerminal(v, group_start, group_end)) return true;
} }
} else { } else {
@ -1977,12 +1977,12 @@ static bool AirportFindFreeHelipad(Vehicle *v, const AirportFTAClass *Airport)
* So we cannot move */ * So we cannot move */
return false; return false;
} }
temp = temp->next_in_chain; temp = temp->next;
} }
} else { } else {
// only 1 helicoptergroup, check all helipads // only 1 helicoptergroup, check all helipads
// The blocks for helipads start after the last terminal (MAX_TERMINALS) // The blocks for helipads start after the last terminal (MAX_TERMINALS)
return FreeTerminal(v, MAX_TERMINALS, GetNumHelipads(Airport) + MAX_TERMINALS); return FreeTerminal(v, MAX_TERMINALS, GetNumHelipads(apc) + MAX_TERMINALS);
} }
return false; // it shouldn't get here anytime, but just to be sure return false; // it shouldn't get here anytime, but just to be sure
} }

134
airport.c
View File

@ -21,20 +21,20 @@ static AirportFTAClass *HeliDepot;
static AirportFTAClass *IntercontinentalAirport; static AirportFTAClass *IntercontinentalAirport;
static AirportFTAClass *HeliStation; static AirportFTAClass *HeliStation;
static void AirportFTAClass_Constructor(AirportFTAClass *Airport, static void AirportFTAClass_Constructor(AirportFTAClass *apc,
const byte *terminals, const byte *helipads, const byte *terminals, const byte *helipads,
const byte entry_point, const byte acc_planes, const byte entry_point, const byte acc_planes,
const AirportFTAbuildup *FA, const AirportFTAbuildup *apFA,
const TileIndexDiffC *depots, const byte nof_depots, const TileIndexDiffC *depots, const byte nof_depots,
uint size_x, uint size_y uint size_x, uint size_y
); );
static void AirportFTAClass_Destructor(AirportFTAClass *Airport); static void AirportFTAClass_Destructor(AirportFTAClass *apc);
static uint16 AirportGetNofElements(const AirportFTAbuildup *FA); static uint16 AirportGetNofElements(const AirportFTAbuildup *apFA);
static void AirportBuildAutomata(AirportFTAClass *Airport, const AirportFTAbuildup *FA); static void AirportBuildAutomata(AirportFTAClass *apc, const AirportFTAbuildup *apFA);
static byte AirportTestFTA(const AirportFTAClass *Airport); static byte AirportTestFTA(const AirportFTAClass *apc);
#if 0 #if 0
static void AirportPrintOut(const AirportFTAClass *Airport, const bool full_report); static void AirportPrintOut(const AirportFTAClass *apc, const bool full_report);
#endif #endif
void InitializeAirports(void) void InitializeAirports(void)
@ -191,11 +191,11 @@ void UnInitializeAirports(void)
AirportFTAClass_Destructor(HeliStation); AirportFTAClass_Destructor(HeliStation);
} }
static void AirportFTAClass_Constructor(AirportFTAClass *Airport, static void AirportFTAClass_Constructor(AirportFTAClass *apc,
const byte *terminals, const byte *helipads, const byte *terminals, const byte *helipads,
const byte entry_point, const byte acc_planes, const byte entry_point, const byte acc_planes,
const AirportFTAbuildup *FA, const AirportFTAbuildup *apFA,
const TileIndexDiffC *depots, const byte nof_depots, const TileIndexDiffC *depots, const byte nof_depots,
uint size_x, uint size_y uint size_x, uint size_y
) )
{ {
@ -206,8 +206,8 @@ static void AirportFTAClass_Constructor(AirportFTAClass *Airport,
int i; int i;
nofterminals = nofhelipads = 0; nofterminals = nofhelipads = 0;
Airport->size_x = size_x; apc->size_x = size_x;
Airport->size_y = size_y; apc->size_y = size_y;
//now we read the number of terminals we have //now we read the number of terminals we have
if (terminals != NULL) { if (terminals != NULL) {
@ -221,7 +221,7 @@ static void AirportFTAClass_Constructor(AirportFTAClass *Airport,
} }
} }
Airport->terminals = terminals; apc->terminals = terminals;
//read helipads //read helipads
if (helipads != NULL) { if (helipads != NULL) {
@ -235,7 +235,7 @@ static void AirportFTAClass_Constructor(AirportFTAClass *Airport,
} }
} }
Airport->helipads = helipads; apc->helipads = helipads;
// if there are more terminals than 6, internal variables have to be changed, so don't allow that // if there are more terminals than 6, internal variables have to be changed, so don't allow that
// same goes for helipads // same goes for helipads
@ -248,26 +248,26 @@ static void AirportFTAClass_Constructor(AirportFTAClass *Airport,
assert(nofterminals <= MAX_TERMINALS); assert(nofterminals <= MAX_TERMINALS);
assert(nofhelipads <= MAX_HELIPADS); assert(nofhelipads <= MAX_HELIPADS);
Airport->nofelements = AirportGetNofElements(FA); apc->nofelements = AirportGetNofElements(apFA);
// check // check
if (entry_point >= Airport->nofelements) {printf("Entry point (%2d) must be within the airport positions (which is max %2d)\n", entry_point, Airport->nofelements);} if (entry_point >= apc->nofelements) {printf("Entry point (%2d) must be within the airport positions (which is max %2d)\n", entry_point, apc->nofelements);}
assert(entry_point < Airport->nofelements); assert(entry_point < apc->nofelements);
Airport->acc_planes = acc_planes; apc->acc_planes = acc_planes;
Airport->entry_point = entry_point; apc->entry_point = entry_point;
Airport->airport_depots = depots; apc->airport_depots = depots;
Airport->nof_depots = nof_depots; apc->nof_depots = nof_depots;
// build the state machine // build the state machine
AirportBuildAutomata(Airport, FA); AirportBuildAutomata(apc, apFA);
DEBUG(misc, 1) ("#Elements %2d; #Terminals %2d in %d group(s); #Helipads %2d in %d group(s); Entry Point %d", DEBUG(misc, 1) ("#Elements %2d; #Terminals %2d in %d group(s); #Helipads %2d in %d group(s); Entry Point %d",
Airport->nofelements, nofterminals, nofterminalgroups, nofhelipads, nofhelipadgroups, Airport->entry_point apc->nofelements, nofterminals, nofterminalgroups, nofhelipads, nofhelipadgroups, apc->entry_point
); );
{ {
byte ret = AirportTestFTA(Airport); byte ret = AirportTestFTA(apc);
if (ret != MAX_ELEMENTS) printf("ERROR with element: %d\n", ret - 1); if (ret != MAX_ELEMENTS) printf("ERROR with element: %d\n", ret - 1);
assert(ret == MAX_ELEMENTS); assert(ret == MAX_ELEMENTS);
} }
@ -275,94 +275,94 @@ static void AirportFTAClass_Constructor(AirportFTAClass *Airport,
// true -- full info including heading, block, etc // true -- full info including heading, block, etc
// false -- short info, only position and next position // false -- short info, only position and next position
#if 0 #if 0
AirportPrintOut(Airport, false); AirportPrintOut(apc, false);
#endif #endif
} }
static void AirportFTAClass_Destructor(AirportFTAClass *Airport) static void AirportFTAClass_Destructor(AirportFTAClass *apc)
{ {
int i; int i;
AirportFTA *current, *next; AirportFTA *current, *next;
for (i = 0; i < Airport->nofelements; i++) { for (i = 0; i < apc->nofelements; i++) {
current = Airport->layout[i].next_in_chain; current = apc->layout[i].next;
while (current != NULL) { while (current != NULL) {
next = current->next_in_chain; next = current->next;
free(current); free(current);
current = next; current = next;
}; };
} }
free(Airport->layout); free(apc->layout);
free(Airport); free(apc);
} }
static uint16 AirportGetNofElements(const AirportFTAbuildup *FA) static uint16 AirportGetNofElements(const AirportFTAbuildup *apFA)
{ {
int i; int i;
uint16 nofelements = 0; uint16 nofelements = 0;
int temp = FA[0].position; int temp = apFA[0].position;
for (i = 0; i < MAX_ELEMENTS; i++) { for (i = 0; i < MAX_ELEMENTS; i++) {
if (temp != FA[i].position) { if (temp != apFA[i].position) {
nofelements++; nofelements++;
temp = FA[i].position; temp = apFA[i].position;
} }
if (FA[i].position == MAX_ELEMENTS) break; if (apFA[i].position == MAX_ELEMENTS) break;
} }
return nofelements; return nofelements;
} }
static void AirportBuildAutomata(AirportFTAClass *Airport, const AirportFTAbuildup *FA) static void AirportBuildAutomata(AirportFTAClass *apc, const AirportFTAbuildup *apFA)
{ {
AirportFTA *FAutomata; AirportFTA *FAutomata;
AirportFTA *current; AirportFTA *current;
uint16 internalcounter, i; uint16 internalcounter, i;
FAutomata = malloc(sizeof(AirportFTA) * Airport->nofelements); FAutomata = malloc(sizeof(AirportFTA) * apc->nofelements);
Airport->layout = FAutomata; apc->layout = FAutomata;
internalcounter = 0; internalcounter = 0;
for (i = 0; i < Airport->nofelements; i++) { for (i = 0; i < apc->nofelements; i++) {
current = &Airport->layout[i]; current = &apc->layout[i];
current->position = FA[internalcounter].position; current->position = apFA[internalcounter].position;
current->heading = FA[internalcounter].heading; current->heading = apFA[internalcounter].heading;
current->block = FA[internalcounter].block; current->block = apFA[internalcounter].block;
current->next_position = FA[internalcounter].next_in_chain; current->next_position = apFA[internalcounter].next;
// outgoing nodes from the same position, create linked list // outgoing nodes from the same position, create linked list
while (current->position == FA[internalcounter + 1].position) { while (current->position == apFA[internalcounter + 1].position) {
AirportFTA *newNode = malloc(sizeof(AirportFTA)); AirportFTA *newNode = malloc(sizeof(AirportFTA));
newNode->position = FA[internalcounter + 1].position; newNode->position = apFA[internalcounter + 1].position;
newNode->heading = FA[internalcounter + 1].heading; newNode->heading = apFA[internalcounter + 1].heading;
newNode->block = FA[internalcounter + 1].block; newNode->block = apFA[internalcounter + 1].block;
newNode->next_position = FA[internalcounter + 1].next_in_chain; newNode->next_position = apFA[internalcounter + 1].next;
// create link // create link
current->next_in_chain = newNode; current->next = newNode;
current = current->next_in_chain; current = current->next;
internalcounter++; internalcounter++;
} // while } // while
current->next_in_chain = NULL; current->next = NULL;
internalcounter++; internalcounter++;
} }
} }
static byte AirportTestFTA(const AirportFTAClass *Airport) static byte AirportTestFTA(const AirportFTAClass *apc)
{ {
byte position, i, next_element; byte position, i, next_element;
AirportFTA *temp; AirportFTA *temp;
next_element = 0; next_element = 0;
for (i = 0; i < Airport->nofelements; i++) { for (i = 0; i < apc->nofelements; i++) {
position = Airport->layout[i].position; position = apc->layout[i].position;
if (position != next_element) return i; if (position != next_element) return i;
temp = &Airport->layout[i]; temp = &apc->layout[i];
do { do {
if (temp->heading > MAX_HEADINGS && temp->heading != 255) return i; if (temp->heading > MAX_HEADINGS && temp->heading != 255) return i;
if (temp->heading == 0 && temp->next_in_chain != 0) return i; if (temp->heading == 0 && temp->next != 0) return i;
if (position != temp->position) return i; if (position != temp->position) return i;
if (temp->next_position >= Airport->nofelements) return i; if (temp->next_position >= apc->nofelements) return i;
temp = temp->next_in_chain; temp = temp->next;
} while (temp != NULL); } while (temp != NULL);
next_element++; next_element++;
} }
@ -410,14 +410,14 @@ static uint AirportBlockToString(uint32 block)
} }
static void AirportPrintOut(const AirportFTAClass *Airport, const bool full_report) static void AirportPrintOut(const AirportFTAClass *apc, const bool full_report)
{ {
byte heading; byte heading;
uint i; uint i;
printf("(P = Current Position; NP = Next Position)\n"); printf("(P = Current Position; NP = Next Position)\n");
for (i = 0; i < Airport->nofelements; i++) { for (i = 0; i < apc->nofelements; i++) {
const AirportFTA* temp = &Airport->layout[i]; const AirportFTA* temp = &apc->layout[i];
if (full_report) { if (full_report) {
heading = (temp->heading == 255) ? MAX_HEADINGS + 1 : temp->heading; heading = (temp->heading == 255) ? MAX_HEADINGS + 1 : temp->heading;
@ -428,8 +428,8 @@ static void AirportPrintOut(const AirportFTAClass *Airport, const bool full_repo
} else { } else {
printf("P:%2d NP:%2d", temp->position, temp->next_position); printf("P:%2d NP:%2d", temp->position, temp->next_position);
} }
while (temp->next_in_chain != NULL) { while (temp->next != NULL) {
temp = temp->next_in_chain; temp = temp->next;
if (full_report) { if (full_report) {
heading = (temp->heading == 255) ? MAX_HEADINGS + 1 : temp->heading; heading = (temp->heading == 255) ? MAX_HEADINGS + 1 : temp->heading;
printf("Pos:%2d NPos:%2d Heading:%15s Block:%2d\n", printf("Pos:%2d NPos:%2d Heading:%15s Block:%2d\n",

View File

@ -141,11 +141,11 @@ typedef struct AirportFTAClass {
// internal structure used in openttd - Finite sTate mAchine --> FTA // internal structure used in openttd - Finite sTate mAchine --> FTA
typedef struct AirportFTA { typedef struct AirportFTA {
byte position; // the position that an airplane is at byte position; // the position that an airplane is at
byte next_position; // next position from this position byte next_position; // next position from this position
uint32 block; // 32 bit blocks (st->airport_flags), should be enough for the most complex airports uint32 block; // 32 bit blocks (st->airport_flags), should be enough for the most complex airports
byte heading; // heading (current orders), guiding an airplane to its target on an airport byte heading; // heading (current orders), guiding an airplane to its target on an airport
struct AirportFTA *next_in_chain; // possible extra movement choices from this position struct AirportFTA *next; // possible extra movement choices from this position
} AirportFTA; } AirportFTA;
void InitializeAirports(void); void InitializeAirports(void);

View File

@ -7,10 +7,10 @@
// state machine input struct (from external file, etc.) // state machine input struct (from external file, etc.)
// Finite sTate mAchine --> FTA // Finite sTate mAchine --> FTA
typedef struct AirportFTAbuildup { typedef struct AirportFTAbuildup {
byte position; // the position that an airplane is at byte position; // the position that an airplane is at
byte heading; // the current orders (eg. TAKEOFF, HANGAR, ENDLANDING, etc.) byte heading; // the current orders (eg. TAKEOFF, HANGAR, ENDLANDING, etc.)
uint32 block; // the block this position is on on the airport (st->airport_flags) uint32 block; // the block this position is on on the airport (st->airport_flags)
byte next_in_chain; // next position from this position byte next; // next position from this position
} AirportFTAbuildup; } AirportFTAbuildup;
/////////////////////////////////////////////////////////////////////// ///////////////////////////////////////////////////////////////////////