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Location: cpp/openttd-patchpack/source/src/newgrf_airport.cpp
r19270:d88860888975
8.9 KiB
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(svn r24173) -Update from WebTranslator v3.0:
afrikaans - 39 changes by telanus
latvian - 16 changes by Parastais
afrikaans - 39 changes by telanus
latvian - 16 changes by Parastais
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/*
* 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 newgrf_airport.cpp NewGRF handling of airports. */
#include "stdafx.h"
#include "debug.h"
#include "date_func.h"
#include "newgrf_spritegroup.h"
#include "newgrf_text.h"
#include "station_base.h"
#include "newgrf_class_func.h"
/**
* Reset airport classes to their default state.
* This includes initialising the defaults classes with an empty
* entry, for standard airports.
*/
template <typename Tspec, typename Tid, Tid Tmax>
/* static */ void NewGRFClass<Tspec, Tid, Tmax>::InsertDefaults()
{
AirportClass::Get(AirportClass::Allocate('SMAL'))->name = STR_AIRPORT_CLASS_SMALL;
AirportClass::Get(AirportClass::Allocate('LARG'))->name = STR_AIRPORT_CLASS_LARGE;
AirportClass::Get(AirportClass::Allocate('HUB_'))->name = STR_AIRPORT_CLASS_HUB;
AirportClass::Get(AirportClass::Allocate('HELI'))->name = STR_AIRPORT_CLASS_HELIPORTS;
}
template <typename Tspec, typename Tid, Tid Tmax>
bool NewGRFClass<Tspec, Tid, Tmax>::IsUIAvailable(uint index) const
{
return true;
}
INSTANTIATE_NEWGRF_CLASS_METHODS(AirportClass, AirportSpec, AirportClassID, APC_MAX)
AirportOverrideManager _airport_mngr(NEW_AIRPORT_OFFSET, NUM_AIRPORTS, AT_INVALID);
AirportSpec AirportSpec::specs[NUM_AIRPORTS]; ///< Airport specifications.
/**
* Retrieve airport spec for the given airport. If an override is available
* it is returned.
* @param type index of airport
* @return A pointer to the corresponding AirportSpec
*/
/* static */ const AirportSpec *AirportSpec::Get(byte type)
{
assert(type < lengthof(AirportSpec::specs));
const AirportSpec *as = &AirportSpec::specs[type];
if (type >= NEW_AIRPORT_OFFSET && !as->enabled) {
byte subst_id = _airport_mngr.GetSubstituteID(type);
if (subst_id == AT_INVALID) return as;
as = &AirportSpec::specs[subst_id];
}
if (as->grf_prop.override != AT_INVALID) return &AirportSpec::specs[as->grf_prop.override];
return as;
}
/**
* Retrieve airport spec for the given airport. Even if an override is
* available the base spec is returned.
* @param type index of airport
* @return A pointer to the corresponding AirportSpec
*/
/* static */ AirportSpec *AirportSpec::GetWithoutOverride(byte type)
{
assert(type < lengthof(AirportSpec::specs));
return &AirportSpec::specs[type];
}
/** Check whether this airport is available to build. */
bool AirportSpec::IsAvailable() const
{
if (!this->enabled) return false;
if (_cur_year < this->min_year) return false;
if (_settings_game.station.never_expire_airports) return true;
return _cur_year <= this->max_year;
}
/**
* This function initializes the airportspec array.
*/
void AirportSpec::ResetAirports()
{
extern const AirportSpec _origin_airport_specs[];
memset(&AirportSpec::specs, 0, sizeof(AirportSpec::specs));
memcpy(&AirportSpec::specs, &_origin_airport_specs, sizeof(AirportSpec) * NEW_AIRPORT_OFFSET);
_airport_mngr.ResetOverride();
}
/**
* Tie all airportspecs to their class.
*/
void BindAirportSpecs()
{
for (int i = 0; i < NUM_AIRPORTS; i++) {
AirportSpec *as = AirportSpec::GetWithoutOverride(i);
if (as->enabled) AirportClass::Assign(as);
}
}
void AirportOverrideManager::SetEntitySpec(AirportSpec *as)
{
byte airport_id = this->AddEntityID(as->grf_prop.local_id, as->grf_prop.grffile->grfid, as->grf_prop.subst_id);
if (airport_id == invalid_ID) {
grfmsg(1, "Airport.SetEntitySpec: Too many airports allocated. Ignoring.");
return;
}
memcpy(AirportSpec::GetWithoutOverride(airport_id), as, sizeof(*as));
/* Now add the overrides. */
for (int i = 0; i < max_offset; i++) {
AirportSpec *overridden_as = AirportSpec::GetWithoutOverride(i);
if (entity_overrides[i] != as->grf_prop.local_id || grfid_overrides[i] != as->grf_prop.grffile->grfid) continue;
overridden_as->grf_prop.override = airport_id;
overridden_as->enabled = false;
entity_overrides[i] = invalid_ID;
grfid_overrides[i] = 0;
}
}
uint32 AirportGetVariable(const ResolverObject *object, byte variable, uint32 parameter, bool *available)
{
const Station *st = object->u.airport.st;
byte layout = object->u.airport.layout;
if (object->scope == VSG_SCOPE_PARENT) {
DEBUG(grf, 1, "Parent scope for airports unavailable");
*available = false;
return UINT_MAX;
}
switch (variable) {
case 0x40: return layout;
}
if (st == NULL) {
*available = false;
return UINT_MAX;
}
switch (variable) {
/* Get a variable from the persistent storage */
case 0x7C: return (st->airport.psa != NULL) ? st->airport.psa->GetValue(parameter) : 0;
case 0xF0: return st->facilities;
case 0xFA: return Clamp(st->build_date - DAYS_TILL_ORIGINAL_BASE_YEAR, 0, 65535);
}
return st->GetNewGRFVariable(object, variable, parameter, available);
}
static const SpriteGroup *AirportResolveReal(const ResolverObject *object, const RealSpriteGroup *group)
{
/* Airport action 2s should always have only 1 "loaded" state, but some
* times things don't follow the spec... */
if (group->num_loaded > 0) return group->loaded[0];
if (group->num_loading > 0) return group->loading[0];
return NULL;
}
static uint32 AirportGetRandomBits(const ResolverObject *object)
{
const Station *st = object->u.airport.st;
return st == NULL ? 0 : st->random_bits;
}
static uint32 AirportGetTriggers(const ResolverObject *object)
{
return 0;
}
static void AirportSetTriggers(const ResolverObject *object, int triggers)
{
}
/**
* Store a value into the object's persistent storage.
* @param object Object that we want to query.
* @param pos Position in the persistent storage to use.
* @param value Value to store.
*/
void AirportStorePSA(ResolverObject *object, uint pos, int32 value)
{
Station *st = object->u.airport.st;
if (object->scope != VSG_SCOPE_SELF || st == NULL) return;
if (st->airport.psa == NULL) {
/* There is no need to create a storage if the value is zero. */
if (value == 0) return;
/* Create storage on first modification. */
uint32 grfid = (object->grffile != NULL) ? object->grffile->grfid : 0;
assert(PersistentStorage::CanAllocateItem());
st->airport.psa = new PersistentStorage(grfid);
}
st->airport.psa->StoreValue(pos, value);
}
static void NewAirportResolver(ResolverObject *res, TileIndex tile, Station *st, byte airport_id, byte layout)
{
res->GetRandomBits = AirportGetRandomBits;
res->GetTriggers = AirportGetTriggers;
res->SetTriggers = AirportSetTriggers;
res->GetVariable = AirportGetVariable;
res->ResolveReal = AirportResolveReal;
res->StorePSA = AirportStorePSA;
res->u.airport.st = st;
res->u.airport.airport_id = airport_id;
res->u.airport.layout = layout;
res->u.airport.tile = tile;
res->callback = CBID_NO_CALLBACK;
res->callback_param1 = 0;
res->callback_param2 = 0;
res->ResetState();
const AirportSpec *as = AirportSpec::Get(airport_id);
res->grffile = as->grf_prop.grffile;
}
SpriteID GetCustomAirportSprite(const AirportSpec *as, byte layout)
{
const SpriteGroup *group;
ResolverObject object;
NewAirportResolver(&object, INVALID_TILE, NULL, as->GetIndex(), layout);
group = SpriteGroup::Resolve(as->grf_prop.spritegroup[0], &object);
if (group == NULL) return as->preview_sprite;
return group->GetResult();
}
uint16 GetAirportCallback(CallbackID callback, uint32 param1, uint32 param2, Station *st, TileIndex tile)
{
ResolverObject object;
NewAirportResolver(&object, tile, st, st->airport.type, st->airport.layout);
object.callback = callback;
object.callback_param1 = param1;
object.callback_param2 = param2;
const SpriteGroup *group = SpriteGroup::Resolve(st->airport.GetSpec()->grf_prop.spritegroup[0], &object);
if (group == NULL) return CALLBACK_FAILED;
return group->GetCallbackResult();
}
/**
* Get a custom text for the airport.
* @param as The airport type's specification.
* @param layout The layout index.
* @param callback The callback to call.
* @return The custom text.
*/
StringID GetAirportTextCallback(const AirportSpec *as, byte layout, uint16 callback)
{
const SpriteGroup *group;
ResolverObject object;
NewAirportResolver(&object, INVALID_TILE, NULL, as->GetIndex(), layout);
object.callback = (CallbackID)callback;
group = SpriteGroup::Resolve(as->grf_prop.spritegroup[0], &object);
uint16 cb_res = (group != NULL) ? group->GetCallbackResult() : CALLBACK_FAILED;
if (cb_res == CALLBACK_FAILED || cb_res == 0x400) return STR_UNDEFINED;
if (cb_res > 0x400) {
ErrorUnknownCallbackResult(as->grf_prop.grffile->grfid, callback, cb_res);
return STR_UNDEFINED;
}
return GetGRFStringID(as->grf_prop.grffile->grfid, 0xD000 + cb_res);
}
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