diff options
Diffstat (limited to 'newgrf_engine.c')
-rw-r--r-- | newgrf_engine.c | 224 |
1 files changed, 221 insertions, 3 deletions
diff --git a/newgrf_engine.c b/newgrf_engine.c index 739d985ab..5fe555b5a 100644 --- a/newgrf_engine.c +++ b/newgrf_engine.c @@ -8,6 +8,8 @@ #include "engine.h" #include "train.h" #include "player.h" +#include "station.h" +#include "airport.h" #include "newgrf_callbacks.h" #include "newgrf_engine.h" #include "newgrf_station.h" @@ -173,6 +175,222 @@ static int MapOldSubType(const Vehicle *v) } +/* TTDP style aircraft movement states for GRF Action 2 Var 0xE2 */ +enum { + AMS_TTDP_HANGER, + AMS_TTDP_TO_HANGER, + AMS_TTDP_TO_PAD1, + AMS_TTDP_TO_PAD2, + AMS_TTDP_TO_PAD3, + AMS_TTDP_TO_ENTRY_2_AND_3, + AMS_TTDP_TO_ENTRY_2_AND_3_AND_H, + AMS_TTDP_TO_JUNCTION, + AMS_TTDP_LEAVE_RUNWAY, + AMS_TTDP_TO_INWAY, + AMS_TTDP_TO_RUNWAY, + AMS_TTDP_TO_OUTWAY, + AMS_TTDP_WAITING, + AMS_TTDP_TAKEOFF, + AMS_TTDP_TO_TAKEOFF, + AMS_TTDP_CLIMBING, + AMS_TTDP_FLIGHT_APPROACH, + AMS_TTDP_UNUSED_0x11, + AMS_TTDP_FLIGHT_TO_TOWER, + AMS_TTDP_UNUSED_0x13, + AMS_TTDP_FLIGHT_FINAL, + AMS_TTDP_FLIGHT_DESCENT, + AMS_TTDP_BRAKING, + AMS_TTDP_HELI_TAKEOFF_AIRPOPT, + AMS_TTDP_HELI_TO_TAKEOFF_AIRPOPT, + AMS_TTDP_HELI_LAND_AIRPOPT, + AMS_TTDP_HELI_TAKEOFF_HELIPORT, + AMS_TTDP_HELI_TO_TAKEOFF_HELIPORT, + AMS_TTDP_HELI_LAND_HELIPORT, +}; + + +/** + * Map OTTD aircraft movement states to TTDPatch style movement states + * (VarAction 2 Variable 0xE2) + */ +static byte MapAircraftMovementState(const Vehicle *v) +{ + const Station *st = GetStation(v->u.air.targetairport); + byte amdflag = GetAirportMovingData(st->airport_type, v->u.air.pos)->flag; + + switch (v->u.air.state) { + case HANGAR: + /* The international airport is a special case as helicopters can land in + * front of the hanger. Helicopters also change their air.state to + * AMED_HELI_LOWER some time before actually descending. */ + + /* This condition only occurs for helicopters, during descent, + * to a landing by the hanger of an international airport. */ + if (amdflag & AMED_HELI_LOWER) return AMS_TTDP_HELI_LAND_AIRPOPT; + + /* This condition only occurs for helicopters, before starting descent, + * to a landing by the hanger of an international airport. */ + if (amdflag & AMED_SLOWTURN) return AMS_TTDP_FLIGHT_TO_TOWER; + + // The final two conditions apply to helicopters or aircraft. + /* Has reached hanger? */ + if (amdflag & AMED_EXACTPOS) return AMS_TTDP_HANGER; + + // Still moving towards hanger. + return AMS_TTDP_TO_HANGER; + + case TERM1: + if (amdflag & AMED_EXACTPOS) return AMS_TTDP_TO_PAD1; + return AMS_TTDP_TO_JUNCTION; + + case TERM2: + if (amdflag & AMED_EXACTPOS) return AMS_TTDP_TO_PAD2; + return AMS_TTDP_TO_ENTRY_2_AND_3_AND_H; + + case TERM3: + case TERM4: + case TERM5: + case TERM6: + /* TTDPatch only has 3 terminals, so treat these states the same */ + if (amdflag & AMED_EXACTPOS) return AMS_TTDP_TO_PAD3; + return AMS_TTDP_TO_ENTRY_2_AND_3_AND_H; + + case HELIPAD1: + case HELIPAD2: // Will only occur for helicopters. + if (amdflag & AMED_HELI_LOWER) return AMS_TTDP_HELI_LAND_AIRPOPT; // Descending. + if (amdflag & AMED_SLOWTURN) return AMS_TTDP_FLIGHT_TO_TOWER; // Still hasn't started descent. + return AMS_TTDP_TO_JUNCTION; // On the ground. + + case TAKEOFF: // Moving to takeoff position. + return AMS_TTDP_TO_OUTWAY; + + case STARTTAKEOFF: // Accelerating down runway. + return AMS_TTDP_TAKEOFF; + + case ENDTAKEOFF: // Ascent + return AMS_TTDP_CLIMBING; + + case HELITAKEOFF: // Helicopter is moving to take off position. + switch (st->airport_type) { + case AT_SMALL: + case AT_LARGE: + case AT_METROPOLITAN: + case AT_INTERNATIONAL: + if (amdflag & AMED_HELI_RAISE) return AMS_TTDP_HELI_TAKEOFF_AIRPOPT; + return AMS_TTDP_TO_JUNCTION; + + case AT_HELIPORT: + case AT_OILRIG: + return AMS_TTDP_HELI_TAKEOFF_HELIPORT; + + default: + return AMS_TTDP_HELI_TAKEOFF_AIRPOPT; + } + + case FLYING: + return AMS_TTDP_FLIGHT_TO_TOWER; + + case LANDING: // Descent + return AMS_TTDP_FLIGHT_DESCENT; + + case ENDLANDING: // On the runway braking + if (amdflag & AMED_BRAKE) return AMS_TTDP_BRAKING; + // Landed - moving off runway + return AMS_TTDP_TO_INWAY; + + case HELILANDING: + case HELIENDLANDING: // Helicoptor is decending. + if (amdflag & AMED_HELI_LOWER) { + switch (st->airport_type) { + case AT_HELIPORT: + case AT_OILRIG: + return AMS_TTDP_HELI_LAND_HELIPORT; + + default: + return AMS_TTDP_HELI_LAND_AIRPOPT; + } + } + return AMS_TTDP_FLIGHT_TO_TOWER; + + default: + return AMS_TTDP_HANGER; + } +} + + +/* TTDP style aircraft movement action for GRF Action 2 Var 0xE6 */ +enum { + AMA_TTDP_IN_HANGER, + AMA_TTDP_ON_PAD1, + AMA_TTDP_ON_PAD2, + AMA_TTDP_ON_PAD3, + AMA_TTDP_HANGER_TO_PAD1, + AMA_TTDP_HANGER_TO_PAD2, + AMA_TTDP_HANGER_TO_PAD3, + AMA_TTDP_LANDING_TO_PAD1, + AMA_TTDP_LANDING_TO_PAD2, + AMA_TTDP_LANDING_TO_PAD3, + AMA_TTDP_PAD1_TO_HANGER, + AMA_TTDP_PAD2_TO_HANGER, + AMA_TTDP_PAD3_TO_HANGER, + AMA_TTDP_PAD1_TO_TAKEOFF, + AMA_TTDP_PAD2_TO_TAKEOFF, + AMA_TTDP_PAD3_TO_TAKEOFF, + AMA_TTDP_HANGER_TO_TAKOFF, + AMA_TTDP_LANDING_TO_HANGER, + AMA_TTDP_IN_FLIGHT, +}; + + +/** + * Map OTTD aircraft movement states to TTDPatch style movement actions + * (VarAction 2 Variable 0xE6) + * This is not fully supported yet but it's enough for Planeset. + */ +static byte MapAircraftMovementAction(const Vehicle *v) +{ + switch (v->u.air.state) { + case HANGAR: + return (v->cur_speed > 0) ? AMA_TTDP_LANDING_TO_HANGER : AMA_TTDP_IN_HANGER; + + case TERM1: + case HELIPAD1: + return (v->current_order.type == OT_LOADING) ? AMA_TTDP_ON_PAD1 : AMA_TTDP_LANDING_TO_PAD1; + + case TERM2: + case HELIPAD2: + return (v->current_order.type == OT_LOADING) ? AMA_TTDP_ON_PAD2 : AMA_TTDP_LANDING_TO_PAD2; + + case TERM3: + case TERM4: + case TERM5: + case TERM6: + return (v->current_order.type == OT_LOADING) ? AMA_TTDP_ON_PAD3 : AMA_TTDP_LANDING_TO_PAD3; + + case TAKEOFF: // Moving to takeoff position + case STARTTAKEOFF: // Accelerating down runway + case ENDTAKEOFF: // Ascent + case HELITAKEOFF: + // TODO Need to find which terminal (or hanger) we've come from. How? + return AMA_TTDP_PAD1_TO_TAKEOFF; + + case FLYING: + return AMA_TTDP_IN_FLIGHT; + + case LANDING: // Descent + case ENDLANDING: // On the runway braking + case HELILANDING: + case HELIENDLANDING: + // TODO Need to check terminal we're landing to. Is it known yet? + return (v->current_order.type == OT_GOTO_DEPOT) ? + AMA_TTDP_LANDING_TO_HANGER : AMA_TTDP_LANDING_TO_PAD1; + + default: + return AMA_TTDP_IN_HANGER; + } +} + + /* Vehicle Resolver Functions */ static inline const Vehicle *GRV(const ResolverObject *object) { @@ -363,9 +581,9 @@ static uint32 VehicleGetVariable(const ResolverObject *object, byte variable, by case VEH_Aircraft: switch (variable - 0x80) { - // case 0x62: XXX Need to convert from ottd to ttdp state - case 0x63: return v->u.air.targetairport; - // case 0x66: XXX + case 0x62: return MapAircraftMovementState(v); // Current movement state + case 0x63: return v->u.air.targetairport; // Airport to which the action refers + case 0x66: return MapAircraftMovementAction(v); // Current movement action } break; } |