OpenRCT2/src/openrct2/ride/Station.cpp

421 lines
13 KiB
C++

/*****************************************************************************
* Copyright (c) 2014-2023 OpenRCT2 developers
*
* For a complete list of all authors, please refer to contributors.md
* Interested in contributing? Visit https://github.com/OpenRCT2/OpenRCT2
*
* OpenRCT2 is licensed under the GNU General Public License version 3.
*****************************************************************************/
#include "Station.h"
#include "../Game.h"
#include "../entity/Guest.h"
#include "../scenario/Scenario.h"
#include "../world/Location.hpp"
#include "RideEntry.h"
#include "Track.h"
#include "Vehicle.h"
static void RideUpdateStationBlockSection(Ride& ride, StationIndex stationIndex);
static void RideUpdateStationDodgems(Ride& ride, StationIndex stationIndex);
static void RideUpdateStationNormal(Ride& ride, StationIndex stationIndex);
static void RideUpdateStationRace(Ride& ride, StationIndex stationIndex);
static void RideRaceInitVehicleSpeeds(const Ride& ride);
static void RideInvalidateStationStart(Ride& ride, StationIndex stationIndex, bool greenLight);
/**
*
* rct2: 0x006ABFFB
*/
void RideUpdateStation(Ride& ride, StationIndex stationIndex)
{
if (ride.GetStation(stationIndex).Start.IsNull())
return;
switch (ride.mode)
{
case RideMode::Race:
RideUpdateStationRace(ride, stationIndex);
break;
case RideMode::Dodgems:
RideUpdateStationDodgems(ride, stationIndex);
break;
case RideMode::ContinuousCircuitBlockSectioned:
case RideMode::PoweredLaunchBlockSectioned:
RideUpdateStationBlockSection(ride, stationIndex);
break;
default:
RideUpdateStationNormal(ride, stationIndex);
break;
}
}
/**
*
* rct2: 0x006AC0A1
*/
static void RideUpdateStationBlockSection(Ride& ride, StationIndex stationIndex)
{
TileElement* tileElement = RideGetStationStartTrackElement(ride, stationIndex);
auto& station = ride.GetStation(stationIndex);
if ((ride.status == RideStatus::Closed && ride.num_riders == 0)
|| (tileElement != nullptr && tileElement->AsTrack()->IsBrakeClosed()))
{
station.Depart &= ~STATION_DEPART_FLAG;
if ((station.Depart & STATION_DEPART_FLAG) || (tileElement != nullptr && tileElement->AsTrack()->HasGreenLight()))
RideInvalidateStationStart(ride, stationIndex, false);
}
else
{
if (!(station.Depart & STATION_DEPART_FLAG))
{
station.Depart |= STATION_DEPART_FLAG;
RideInvalidateStationStart(ride, stationIndex, true);
}
else if (tileElement != nullptr && tileElement->AsTrack()->HasGreenLight())
{
RideInvalidateStationStart(ride, stationIndex, true);
}
}
}
/**
*
* rct2: 0x006AC12B
*/
static void RideUpdateStationDodgems(Ride& ride, StationIndex stationIndex)
{
auto& station = ride.GetStation(stationIndex);
// Change of station depart flag should really call invalidate_station_start
// but since dodgems do not have station lights there is no point.
if (ride.status == RideStatus::Closed || (ride.lifecycle_flags & (RIDE_LIFECYCLE_BROKEN_DOWN | RIDE_LIFECYCLE_CRASHED)))
{
station.Depart &= ~STATION_DEPART_FLAG;
return;
}
if (ride.lifecycle_flags & RIDE_LIFECYCLE_PASS_STATION_NO_STOPPING)
{
int32_t dx = ride.time_limit * 32;
int32_t dh = (dx >> 8) & 0xFF;
for (size_t i = 0; i < ride.NumTrains; i++)
{
Vehicle* vehicle = GetEntity<Vehicle>(ride.vehicles[i]);
if (vehicle == nullptr)
continue;
if (vehicle->NumLaps < dh)
continue;
// End match
ride.lifecycle_flags &= ~RIDE_LIFECYCLE_PASS_STATION_NO_STOPPING;
station.Depart &= ~STATION_DEPART_FLAG;
return;
}
// Continue match
station.Depart |= STATION_DEPART_FLAG;
}
else
{
// Check if all vehicles are ready to go
for (size_t i = 0; i < ride.NumTrains; i++)
{
Vehicle* vehicle = GetEntity<Vehicle>(ride.vehicles[i]);
if (vehicle == nullptr)
continue;
if (vehicle->status != Vehicle::Status::WaitingToDepart)
{
station.Depart &= ~STATION_DEPART_FLAG;
return;
}
}
// Begin the match
ride.lifecycle_flags |= RIDE_LIFECYCLE_PASS_STATION_NO_STOPPING;
station.Depart |= STATION_DEPART_FLAG;
ride.window_invalidate_flags |= RIDE_INVALIDATE_RIDE_MAIN | RIDE_INVALIDATE_RIDE_LIST;
}
}
/**
*
* rct2: 0x006AC02C
*/
static void RideUpdateStationNormal(Ride& ride, StationIndex stationIndex)
{
auto& station = ride.GetStation(stationIndex);
int32_t time = station.Depart & STATION_DEPART_MASK;
if ((ride.lifecycle_flags & (RIDE_LIFECYCLE_BROKEN_DOWN | RIDE_LIFECYCLE_CRASHED))
|| (ride.status == RideStatus::Closed && ride.num_riders == 0))
{
if (time != 0 && time != 127 && !(gCurrentTicks & 7))
time--;
station.Depart = time;
RideInvalidateStationStart(ride, stationIndex, false);
}
else
{
if (time == 0)
{
station.Depart |= STATION_DEPART_FLAG;
RideInvalidateStationStart(ride, stationIndex, true);
}
else
{
if (time != 127 && !(gCurrentTicks & 31))
time--;
station.Depart = time;
RideInvalidateStationStart(ride, stationIndex, false);
}
}
}
/**
*
* rct2: 0x006AC1DF
*/
static void RideUpdateStationRace(Ride& ride, StationIndex stationIndex)
{
auto& station = ride.GetStation(stationIndex);
if (ride.status == RideStatus::Closed || (ride.lifecycle_flags & (RIDE_LIFECYCLE_BROKEN_DOWN | RIDE_LIFECYCLE_CRASHED)))
{
if (station.Depart & STATION_DEPART_FLAG)
{
station.Depart &= ~STATION_DEPART_FLAG;
RideInvalidateStationStart(ride, stationIndex, false);
}
return;
}
if (ride.lifecycle_flags & RIDE_LIFECYCLE_PASS_STATION_NO_STOPPING)
{
int32_t numLaps = ride.NumLaps;
for (size_t i = 0; i < ride.NumTrains; i++)
{
Vehicle* vehicle = GetEntity<Vehicle>(ride.vehicles[i]);
if (vehicle == nullptr)
continue;
if (vehicle->status != Vehicle::Status::WaitingToDepart && vehicle->NumLaps >= numLaps)
{
// Found a winner
if (vehicle->num_peeps != 0)
{
auto* peep = GetEntity<Guest>(vehicle->peep[0]);
if (peep != nullptr)
{
ride.race_winner = peep->Id;
ride.window_invalidate_flags |= RIDE_INVALIDATE_RIDE_MAIN | RIDE_INVALIDATE_RIDE_LIST;
}
}
// Race is over
ride.lifecycle_flags &= ~RIDE_LIFECYCLE_PASS_STATION_NO_STOPPING;
if (station.Depart & STATION_DEPART_FLAG)
{
station.Depart &= ~STATION_DEPART_FLAG;
RideInvalidateStationStart(ride, stationIndex, false);
}
return;
}
}
// Continue racing
station.Depart |= STATION_DEPART_FLAG;
}
else
{
// Check if all vehicles are ready to go
for (size_t i = 0; i < ride.NumTrains; i++)
{
Vehicle* vehicle = GetEntity<Vehicle>(ride.vehicles[i]);
if (vehicle == nullptr)
continue;
if (vehicle->status != Vehicle::Status::WaitingToDepart && vehicle->status != Vehicle::Status::Departing)
{
if (station.Depart & STATION_DEPART_FLAG)
{
station.Depart &= ~STATION_DEPART_FLAG;
RideInvalidateStationStart(ride, stationIndex, false);
}
return;
}
}
// Begin the race
RideRaceInitVehicleSpeeds(ride);
ride.lifecycle_flags |= RIDE_LIFECYCLE_PASS_STATION_NO_STOPPING;
if (!(station.Depart & STATION_DEPART_FLAG))
{
station.Depart |= STATION_DEPART_FLAG;
RideInvalidateStationStart(ride, stationIndex, true);
}
ride.window_invalidate_flags |= RIDE_INVALIDATE_RIDE_MAIN | RIDE_INVALIDATE_RIDE_LIST;
}
}
/**
*
* rct2: 0x006AC988
* set the speed of the go kart type vehicle at the start to a random value or alter if peep name is an easter egg
* @param ride (esi)
*/
static void RideRaceInitVehicleSpeeds(const Ride& ride)
{
for (size_t i = 0; i < ride.NumTrains; i++)
{
Vehicle* vehicle = GetEntity<Vehicle>(ride.vehicles[i]);
if (vehicle == nullptr)
continue;
vehicle->ClearFlag(VehicleFlags::CurrentlyColliding);
const auto* rideEntry = vehicle->GetRideEntry();
vehicle->speed = (ScenarioRand() & 15) - 8 + rideEntry->Cars[vehicle->vehicle_type].powered_max_speed;
if (vehicle->num_peeps != 0)
{
auto* guest = GetEntity<Guest>(vehicle->peep[0]);
// Easter egg names should only work on guests
if (guest != nullptr)
{
switch (guest->GetEasterEggNameId())
{
case EASTEREGG_PEEP_NAME_MICHAEL_SCHUMACHER:
vehicle->speed += 35;
break;
case EASTEREGG_PEEP_NAME_JACQUES_VILLENEUVE:
vehicle->speed += 25;
break;
case EASTEREGG_PEEP_NAME_DAMON_HILL:
vehicle->speed += 55;
break;
case EASTEREGG_PEEP_NAME_CHRIS_SAWYER:
vehicle->speed += 14;
break;
case EASTEREGG_PEEP_NAME_MR_BEAN:
vehicle->speed = 9;
break;
}
}
}
}
}
/**
*
* rct2: 0x006AC2C7
*/
static void RideInvalidateStationStart(Ride& ride, StationIndex stationIndex, bool greenLight)
{
auto startPos = ride.GetStation(stationIndex).Start;
TileElement* tileElement = RideGetStationStartTrackElement(ride, stationIndex);
// If no station track found return
if (tileElement == nullptr)
return;
tileElement->AsTrack()->SetHasGreenLight(greenLight);
// Invalidate map tile
MapInvalidateTileZoom1({ startPos, tileElement->GetBaseZ(), tileElement->GetClearanceZ() });
}
TileElement* RideGetStationStartTrackElement(const Ride& ride, StationIndex stationIndex)
{
auto stationStart = ride.GetStation(stationIndex).GetStart();
// Find the station track element
TileElement* tileElement = MapGetFirstElementAt(stationStart);
if (tileElement == nullptr)
return nullptr;
do
{
if (tileElement->GetType() == TileElementType::Track && stationStart.z == tileElement->GetBaseZ())
return tileElement;
} while (!(tileElement++)->IsLastForTile());
return nullptr;
}
TileElement* RideGetStationExitElement(const CoordsXYZ& elementPos)
{
// Find the station track element
TileElement* tileElement = MapGetFirstElementAt(elementPos);
if (tileElement == nullptr)
return nullptr;
do
{
if (tileElement == nullptr)
break;
if (tileElement->GetType() == TileElementType::Entrance && elementPos.z == tileElement->GetBaseZ())
return tileElement;
} while (!(tileElement++)->IsLastForTile());
return nullptr;
}
StationIndex RideGetFirstValidStationExit(const Ride& ride)
{
for (const auto& station : ride.GetStations())
{
if (!station.Exit.IsNull())
{
return ride.GetStationIndex(&station);
}
}
return StationIndex::GetNull();
}
StationIndex RideGetFirstValidStationStart(const Ride& ride)
{
for (const auto& station : ride.GetStations())
{
if (!station.Start.IsNull())
{
return ride.GetStationIndex(&station);
}
}
return StationIndex::GetNull();
}
StationIndex RideGetFirstEmptyStationStart(const Ride& ride)
{
for (const auto& station : ride.GetStations())
{
if (station.Start.IsNull())
{
return ride.GetStationIndex(&station);
}
}
return StationIndex::GetNull();
}
int32_t RideStation::GetBaseZ() const
{
return Height * COORDS_Z_STEP;
}
void RideStation::SetBaseZ(int32_t newZ)
{
Height = newZ / COORDS_Z_STEP;
}
CoordsXYZ RideStation::GetStart() const
{
return { Start, GetBaseZ() };
}