diff options
-rw-r--r-- | src/newgrf_airport.cpp | 98 | ||||
-rw-r--r-- | src/newgrf_spritegroup.h | 7 |
2 files changed, 102 insertions, 3 deletions
diff --git a/src/newgrf_airport.cpp b/src/newgrf_airport.cpp index c4cc9e486..30b3d616a 100644 --- a/src/newgrf_airport.cpp +++ b/src/newgrf_airport.cpp @@ -10,6 +10,7 @@ /** @file newgrf_airport.cpp NewGRF handling of airports. */ #include "stdafx.h" +#include "debug.h" #include "airport.h" #include "newgrf_airport.h" #include "date_func.h" @@ -17,6 +18,9 @@ #include "core/alloc_type.hpp" #include "newgrf.h" #include "newgrf_commons.h" +#include "newgrf_spritegroup.h" +#include "newgrf_text.h" +#include "station_base.h" #include "table/strings.h" static AirportClass _airport_classes[APC_MAX]; @@ -238,3 +242,97 @@ void AirportOverrideManager::SetEntitySpec(AirportSpec *as) } } +uint32 AirportGetVariable(const ResolverObject *object, byte variable, byte 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) { + 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; + const TileIndex tile = object->u.airport.tile; + return (st == NULL ? 0 : st->random_bits) | (tile == INVALID_TILE ? 0 : GetStationTileRandomBits(tile) << 16); +} + +static uint32 AirportGetTriggers(const ResolverObject *object) +{ + return 0; +} + +static void AirportSetTriggers(const ResolverObject *object, int triggers) +{ +} + +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->psa = NULL; + 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->last_value = 0; + res->trigger = 0; + res->reseed = 0; + res->count = 0; + + const AirportSpec *as = AirportSpec::Get(airport_id); + res->grffile = (as != NULL ? as->grf_prop.grffile : NULL); +} + +uint16 GetAirportCallback(CallbackID callback, uint32 param1, uint32 param2, Station *st, TileIndex tile) +{ + ResolverObject object; + + NewAirportResolver(&object, tile, st, st->airport.type, 0); + object.callback = callback; + object.callback_param1 = param1; + object.callback_param2 = param2; + + const SpriteGroup *group = SpriteGroup::Resolve(st->airport.GetSpec()->grf_prop.spritegroup, &object); + if (group == NULL) return CALLBACK_FAILED; + + return group->GetCallbackResult(); +} diff --git a/src/newgrf_spritegroup.h b/src/newgrf_spritegroup.h index b6dc71d62..d1c13ca43 100644 --- a/src/newgrf_spritegroup.h +++ b/src/newgrf_spritegroup.h @@ -349,9 +349,10 @@ struct ResolverObject { bool upper_halftile; ///< Are we resolving sprites for the upper halftile? } routes; struct { - const struct Station *st; - byte airport_id; - TileIndex tile; + const struct Station *st; ///< Station of the airport for which the callback is run, or NULL for build gui. + byte airport_id; ///< Type of airport for which the callback is run + byte layout; ///< Layout of the airport to build. + TileIndex tile; ///< Tile for the callback, only valid for airporttile callbacks. } airport; } u; |