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00012 #include "stdafx.h"
00013 #include "debug.h"
00014 #include "date_func.h"
00015 #include "newgrf_spritegroup.h"
00016 #include "newgrf_text.h"
00017 #include "station_base.h"
00018 #include "newgrf_class_func.h"
00019
00025 template <typename Tspec, typename Tid, Tid Tmax>
00026 void NewGRFClass<Tspec, Tid, Tmax>::InsertDefaults()
00027 {
00028 AirportClass::SetName(AirportClass::Allocate('SMAL'), STR_AIRPORT_CLASS_SMALL);
00029 AirportClass::SetName(AirportClass::Allocate('LARG'), STR_AIRPORT_CLASS_LARGE);
00030 AirportClass::SetName(AirportClass::Allocate('HUB_'), STR_AIRPORT_CLASS_HUB);
00031 AirportClass::SetName(AirportClass::Allocate('HELI'), STR_AIRPORT_CLASS_HELIPORTS);
00032 }
00033
00034 INSTANTIATE_NEWGRF_CLASS_METHODS(AirportClass, AirportSpec, AirportClassID, APC_MAX)
00035
00036
00037 AirportOverrideManager _airport_mngr(NEW_AIRPORT_OFFSET, NUM_AIRPORTS, AT_INVALID);
00038
00039 AirportSpec AirportSpec::specs[NUM_AIRPORTS];
00040
00047 const AirportSpec *AirportSpec::Get(byte type)
00048 {
00049 assert(type < lengthof(AirportSpec::specs));
00050 const AirportSpec *as = &AirportSpec::specs[type];
00051 if (type >= NEW_AIRPORT_OFFSET && !as->enabled) {
00052 byte subst_id = _airport_mngr.GetSubstituteID(type);
00053 if (subst_id == AT_INVALID) return as;
00054 as = &AirportSpec::specs[subst_id];
00055 }
00056 if (as->grf_prop.override != AT_INVALID) return &AirportSpec::specs[as->grf_prop.override];
00057 return as;
00058 }
00059
00066 AirportSpec *AirportSpec::GetWithoutOverride(byte type)
00067 {
00068 assert(type < lengthof(AirportSpec::specs));
00069 return &AirportSpec::specs[type];
00070 }
00071
00073 bool AirportSpec::IsAvailable() const
00074 {
00075 if (!this->enabled) return false;
00076 if (_cur_year < this->min_year) return false;
00077 if (_settings_game.station.never_expire_airports) return true;
00078 return _cur_year <= this->max_year;
00079 }
00080
00084 void AirportSpec::ResetAirports()
00085 {
00086 extern const AirportSpec _origin_airport_specs[];
00087 memset(&AirportSpec::specs, 0, sizeof(AirportSpec::specs));
00088 memcpy(&AirportSpec::specs, &_origin_airport_specs, sizeof(AirportSpec) * NEW_AIRPORT_OFFSET);
00089
00090 _airport_mngr.ResetOverride();
00091 }
00092
00096 void BindAirportSpecs()
00097 {
00098 for (int i = 0; i < NUM_AIRPORTS; i++) {
00099 AirportSpec *as = AirportSpec::GetWithoutOverride(i);
00100 if (as->enabled) AirportClass::Assign(as);
00101 }
00102 }
00103
00104
00105 void AirportOverrideManager::SetEntitySpec(AirportSpec *as)
00106 {
00107 byte airport_id = this->AddEntityID(as->grf_prop.local_id, as->grf_prop.grffile->grfid, as->grf_prop.subst_id);
00108
00109 if (airport_id == invalid_ID) {
00110 grfmsg(1, "Airport.SetEntitySpec: Too many airports allocated. Ignoring.");
00111 return;
00112 }
00113
00114 memcpy(AirportSpec::GetWithoutOverride(airport_id), as, sizeof(*as));
00115
00116
00117 for (int i = 0; i < max_offset; i++) {
00118 AirportSpec *overridden_as = AirportSpec::GetWithoutOverride(i);
00119
00120 if (entity_overrides[i] != as->grf_prop.local_id || grfid_overrides[i] != as->grf_prop.grffile->grfid) continue;
00121
00122 overridden_as->grf_prop.override = airport_id;
00123 overridden_as->enabled = false;
00124 entity_overrides[i] = invalid_ID;
00125 grfid_overrides[i] = 0;
00126 }
00127 }
00128
00129 uint32 AirportGetVariable(const ResolverObject *object, byte variable, uint32 parameter, bool *available)
00130 {
00131 const Station *st = object->u.airport.st;
00132 byte layout = object->u.airport.layout;
00133
00134 if (object->scope == VSG_SCOPE_PARENT) {
00135 DEBUG(grf, 1, "Parent scope for airports unavailable");
00136 *available = false;
00137 return UINT_MAX;
00138 }
00139
00140 switch (variable) {
00141 case 0x40: return layout;
00142 }
00143
00144 if (st == NULL) {
00145 *available = false;
00146 return UINT_MAX;
00147 }
00148
00149 switch (variable) {
00150
00151 case 0x7C: return (st->airport.psa != NULL) ? st->airport.psa->GetValue(parameter) : 0;
00152
00153 case 0xF0: return st->facilities;
00154 case 0xFA: return Clamp(st->build_date - DAYS_TILL_ORIGINAL_BASE_YEAR, 0, 65535);
00155 }
00156
00157 return st->GetNewGRFVariable(object, variable, parameter, available);
00158 }
00159
00160 static const SpriteGroup *AirportResolveReal(const ResolverObject *object, const RealSpriteGroup *group)
00161 {
00162
00163
00164 if (group->num_loaded > 0) return group->loaded[0];
00165 if (group->num_loading > 0) return group->loading[0];
00166
00167 return NULL;
00168 }
00169
00170 static uint32 AirportGetRandomBits(const ResolverObject *object)
00171 {
00172 const Station *st = object->u.airport.st;
00173 return st == NULL ? 0 : st->random_bits;
00174 }
00175
00176 static uint32 AirportGetTriggers(const ResolverObject *object)
00177 {
00178 return 0;
00179 }
00180
00181 static void AirportSetTriggers(const ResolverObject *object, int triggers)
00182 {
00183 }
00184
00191 void AirportStorePSA(ResolverObject *object, uint pos, int32 value)
00192 {
00193 Station *st = object->u.airport.st;
00194 if (object->scope != VSG_SCOPE_SELF || st == NULL) return;
00195
00196 if (st->airport.psa == NULL) {
00197
00198 if (value == 0) return;
00199
00200
00201 uint32 grfid = (object->grffile != NULL) ? object->grffile->grfid : 0;
00202 assert(PersistentStorage::CanAllocateItem());
00203 st->airport.psa = new PersistentStorage(grfid);
00204 }
00205 st->airport.psa->StoreValue(pos, value);
00206 }
00207
00208 static void NewAirportResolver(ResolverObject *res, TileIndex tile, Station *st, byte airport_id, byte layout)
00209 {
00210 res->GetRandomBits = AirportGetRandomBits;
00211 res->GetTriggers = AirportGetTriggers;
00212 res->SetTriggers = AirportSetTriggers;
00213 res->GetVariable = AirportGetVariable;
00214 res->ResolveReal = AirportResolveReal;
00215 res->StorePSA = AirportStorePSA;
00216
00217 res->u.airport.st = st;
00218 res->u.airport.airport_id = airport_id;
00219 res->u.airport.layout = layout;
00220 res->u.airport.tile = tile;
00221
00222 res->callback = CBID_NO_CALLBACK;
00223 res->callback_param1 = 0;
00224 res->callback_param2 = 0;
00225 res->ResetState();
00226
00227 const AirportSpec *as = AirportSpec::Get(airport_id);
00228 res->grffile = as->grf_prop.grffile;
00229 }
00230
00231 SpriteID GetCustomAirportSprite(const AirportSpec *as, byte layout)
00232 {
00233 const SpriteGroup *group;
00234 ResolverObject object;
00235
00236 NewAirportResolver(&object, INVALID_TILE, NULL, as->GetIndex(), layout);
00237
00238 group = SpriteGroup::Resolve(as->grf_prop.spritegroup[0], &object);
00239 if (group == NULL) return as->preview_sprite;
00240
00241 return group->GetResult();
00242 }
00243
00244 uint16 GetAirportCallback(CallbackID callback, uint32 param1, uint32 param2, Station *st, TileIndex tile)
00245 {
00246 ResolverObject object;
00247
00248 NewAirportResolver(&object, tile, st, st->airport.type, st->airport.layout);
00249 object.callback = callback;
00250 object.callback_param1 = param1;
00251 object.callback_param2 = param2;
00252
00253 const SpriteGroup *group = SpriteGroup::Resolve(st->airport.GetSpec()->grf_prop.spritegroup[0], &object);
00254 if (group == NULL) return CALLBACK_FAILED;
00255
00256 return group->GetCallbackResult();
00257 }
00258
00266 StringID GetAirportTextCallback(const AirportSpec *as, byte layout, uint16 callback)
00267 {
00268 const SpriteGroup *group;
00269 ResolverObject object;
00270
00271 NewAirportResolver(&object, INVALID_TILE, NULL, as->GetIndex(), layout);
00272 object.callback = (CallbackID)callback;
00273
00274 group = SpriteGroup::Resolve(as->grf_prop.spritegroup[0], &object);
00275 uint16 cb_res = (group != NULL) ? group->GetCallbackResult() : CALLBACK_FAILED;
00276 if (cb_res == CALLBACK_FAILED || cb_res == 0x400) return STR_UNDEFINED;
00277 if (cb_res > 0x400) {
00278 ErrorUnknownCallbackResult(as->grf_prop.grffile->grfid, callback, cb_res);
00279 return STR_UNDEFINED;
00280 }
00281
00282 return GetGRFStringID(as->grf_prop.grffile->grfid, 0xD000 + cb_res);
00283 }