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OpenRCT2/src/openrct2/world/Park.cpp

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/*****************************************************************************
* Copyright (c) 2014-2024 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 "Park.h"
#include "../Cheats.h"
#include "../Context.h"
#include "../Date.h"
#include "../Game.h"
#include "../GameState.h"
#include "../OpenRCT2.h"
#include "../actions/ParkSetParameterAction.h"
#include "../config/Config.h"
#include "../core/Memory.hpp"
#include "../core/String.hpp"
#include "../entity/Litter.h"
#include "../entity/Peep.h"
#include "../entity/Staff.h"
#include "../interface/Colour.h"
#include "../interface/Window.h"
#include "../localisation/Localisation.h"
#include "../management/Award.h"
#include "../management/Finance.h"
#include "../management/Marketing.h"
#include "../management/Research.h"
#include "../network/network.h"
#include "../profiling/Profiling.h"
#include "../ride/Ride.h"
#include "../ride/RideData.h"
#include "../ride/ShopItem.h"
#include "../scenario/Scenario.h"
#include "../util/Util.h"
#include "../windows/Intent.h"
#include "Entrance.h"
#include "Map.h"
#include "Surface.h"
#include <algorithm>
#include <limits>
#include <type_traits>
using namespace OpenRCT2;
namespace OpenRCT2::Park
{
// If this value is more than or equal to 0, the park rating is forced to this value. Used for cheat
static int32_t _forcedParkRating = -1;
static money64 calculateRideValue(const Ride& ride);
static money64 calculateTotalRideValueForMoney();
static uint32_t calculateSuggestedMaxGuests();
static uint32_t calculateGuestGenerationProbability();
static void generateGuests(GameState_t& gameState);
static Guest* generateGuestFromCampaign(int32_t campaign);
/**
* Choose a random peep spawn and iterates through until defined spawn is found.
*/
static PeepSpawn* GetRandomPeepSpawn()
{
auto& gameState = GetGameState();
if (!gameState.PeepSpawns.empty())
{
return &gameState.PeepSpawns[ScenarioRand() % gameState.PeepSpawns.size()];
}
return nullptr;
}
static money64 calculateRideValue(const Ride& ride)
{
money64 result = 0;
if (ride.value != RIDE_VALUE_UNDEFINED)
{
const auto& rtd = ride.GetRideTypeDescriptor();
result = (ride.value * 10) * (static_cast<money64>(RideCustomersInLast5Minutes(ride)) + rtd.BonusValue * 4LL);
}
return result;
}
static money64 calculateTotalRideValueForMoney()
{
money64 totalRideValue = 0;
bool ridePricesUnlocked = RidePricesUnlocked() && !(GetGameState().Park.Flags & PARK_FLAGS_NO_MONEY);
for (auto& ride : GetRideManager())
{
if (ride.status != RideStatus::Open)
continue;
if (ride.lifecycle_flags & RIDE_LIFECYCLE_BROKEN_DOWN)
continue;
if (ride.lifecycle_flags & RIDE_LIFECYCLE_CRASHED)
continue;
// Add ride value
if (ride.value != RIDE_VALUE_UNDEFINED)
{
money64 rideValue = ride.value;
if (ridePricesUnlocked)
{
rideValue -= ride.price[0];
}
if (rideValue > 0)
{
totalRideValue += rideValue * 2;
}
}
}
return totalRideValue;
}
static uint32_t calculateSuggestedMaxGuests()
{
uint32_t suggestedMaxGuests = 0;
uint32_t difficultGenerationBonus = 0;
auto& gameState = GetGameState();
for (auto& ride : GetRideManager())
{
if (ride.status != RideStatus::Open)
continue;
if (ride.lifecycle_flags & RIDE_LIFECYCLE_BROKEN_DOWN)
continue;
if (ride.lifecycle_flags & RIDE_LIFECYCLE_CRASHED)
continue;
// Add guest score for ride type
suggestedMaxGuests += ride.GetRideTypeDescriptor().BonusValue;
// If difficult guest generation, extra guests are available for good rides
if (gameState.Park.Flags & PARK_FLAGS_DIFFICULT_GUEST_GENERATION)
{
if (!(ride.lifecycle_flags & RIDE_LIFECYCLE_TESTED))
continue;
if (!ride.GetRideTypeDescriptor().HasFlag(RIDE_TYPE_FLAG_HAS_TRACK))
continue;
if (!ride.GetRideTypeDescriptor().HasFlag(RIDE_TYPE_FLAG_HAS_DATA_LOGGING))
continue;
if (ride.GetStation().SegmentLength < (600 << 16))
continue;
if (ride.excitement < RIDE_RATING(6, 00))
continue;
// Bonus guests for good ride
difficultGenerationBonus += ride.GetRideTypeDescriptor().BonusValue * 2;
}
}
if (gameState.Park.Flags & PARK_FLAGS_DIFFICULT_GUEST_GENERATION)
{
suggestedMaxGuests = std::min<uint32_t>(suggestedMaxGuests, 1000);
suggestedMaxGuests += difficultGenerationBonus;
}
suggestedMaxGuests = std::min<uint32_t>(suggestedMaxGuests, 65535);
return suggestedMaxGuests;
}
static uint32_t calculateGuestGenerationProbability()
{
auto& gameState = GetGameState();
// Begin with 50 + park rating
uint32_t probability = 50 + std::clamp(gameState.Park.Rating - 200, 0, 650);
// The more guests, the lower the chance of a new one
uint32_t numGuests = gameState.NumGuestsInPark + gameState.NumGuestsHeadingForPark;
if (numGuests > gameState.SuggestedGuestMaximum)
{
probability /= 4;
// Even lower for difficult guest generation
if (gameState.Park.Flags & PARK_FLAGS_DIFFICULT_GUEST_GENERATION)
{
probability /= 4;
}
}
// Reduces chance for any more than 7000 guests
if (numGuests > 7000)
{
probability /= 4;
}
// Penalty for overpriced entrance fee relative to total ride value
auto entranceFee = GetEntranceFee();
if (entranceFee > gameState.TotalRideValueForMoney)
{
probability /= 4;
// Extra penalty for very overpriced entrance fee
if (entranceFee / 2 > gameState.TotalRideValueForMoney)
{
probability /= 4;
}
}
// Reward or penalties for park awards
for (const auto& award : GetGameState().CurrentAwards)
{
// +/- 0.25% of the probability
if (AwardIsPositive(award.Type))
{
probability += probability / 4;
}
else
{
probability -= probability / 4;
}
}
return probability;
}
static void generateGuests(GameState_t& gameState)
{
// Generate a new guest for some probability
if (static_cast<int32_t>(ScenarioRand() & 0xFFFF) < gameState.GuestGenerationProbability)
{
bool difficultGeneration = (gameState.Park.Flags & PARK_FLAGS_DIFFICULT_GUEST_GENERATION) != 0;
if (!difficultGeneration || gameState.SuggestedGuestMaximum + 150 >= gameState.NumGuestsInPark)
{
GenerateGuest();
}
}
// Extra guests generated by advertising campaigns
for (const auto& campaign : gMarketingCampaigns)
{
// Random chance of guest generation
auto probability = MarketingGetCampaignGuestGenerationProbability(campaign.Type);
auto random = ScenarioRandMax(std::numeric_limits<uint16_t>::max());
if (random < probability)
{
generateGuestFromCampaign(campaign.Type);
}
}
}
static Guest* generateGuestFromCampaign(int32_t campaign)
{
auto peep = GenerateGuest();
if (peep != nullptr)
{
MarketingSetGuestCampaign(peep, campaign);
}
return peep;
}
template<typename T, size_t TSize> static void HistoryPushRecord(T history[TSize], T newItem)
{
for (size_t i = TSize - 1; i > 0; i--)
{
history[i] = history[i - 1];
}
history[0] = newItem;
}
void Initialise(GameState_t& gameState)
{
gameState.Park.Name = LanguageGetString(STR_UNNAMED_PARK);
gameState.PluginStorage = {};
gameState.StaffHandymanColour = COLOUR_BRIGHT_RED;
gameState.StaffMechanicColour = COLOUR_LIGHT_BLUE;
gameState.StaffSecurityColour = COLOUR_YELLOW;
gameState.NumGuestsInPark = 0;
gameState.NumGuestsInParkLastWeek = 0;
gameState.NumGuestsHeadingForPark = 0;
gameState.GuestChangeModifier = 0;
gameState.Park.Rating = 0;
gameState.GuestGenerationProbability = 0;
gameState.TotalRideValueForMoney = 0;
gameState.SuggestedGuestMaximum = 0;
gameState.ResearchLastItem = std::nullopt;
gMarketingCampaigns.clear();
ResearchResetItems(gameState);
FinanceInit();
SetEveryRideTypeNotInvented();
SetAllSceneryItemsInvented();
gameState.Park.EntranceFee = 10.00_GBP;
gameState.PeepSpawns.clear();
ParkEntranceReset();
gameState.ResearchPriorities = EnumsToFlags(
ResearchCategory::Transport, ResearchCategory::Gentle, ResearchCategory::Rollercoaster, ResearchCategory::Thrill,
ResearchCategory::Water, ResearchCategory::Shop, ResearchCategory::SceneryGroup);
gameState.ResearchFundingLevel = RESEARCH_FUNDING_NORMAL;
gameState.GuestInitialCash = 50.00_GBP;
gameState.GuestInitialHappiness = Park::CalculateGuestInitialHappiness(50);
gameState.GuestInitialHunger = 200;
gameState.GuestInitialThirst = 200;
gameState.ScenarioObjective.Type = OBJECTIVE_GUESTS_BY;
gameState.ScenarioObjective.Year = 4;
gameState.ScenarioObjective.NumGuests = 1000;
gameState.LandPrice = 90.00_GBP;
gameState.ConstructionRightsPrice = 40.00_GBP;
gameState.Park.Flags = PARK_FLAGS_NO_MONEY | PARK_FLAGS_SHOW_REAL_GUEST_NAMES;
ResetHistories(gameState);
FinanceResetHistory();
AwardReset();
gameState.ScenarioName.clear();
gameState.ScenarioDetails = String::ToStd(LanguageGetString(STR_NO_DETAILS_YET));
}
void Update(GameState_t& gameState, const Date& date)
{
PROFILED_FUNCTION();
// Every new week
if (date.IsWeekStart())
{
UpdateHistories(gameState);
}
const auto currentTicks = gameState.CurrentTicks;
// Every ~13 seconds
if (currentTicks % 512 == 0)
{
gameState.Park.Rating = CalculateParkRating();
gameState.Park.Value = Park::CalculateParkValue();
gameState.CompanyValue = CalculateCompanyValue();
gameState.TotalRideValueForMoney = calculateTotalRideValueForMoney();
gameState.SuggestedGuestMaximum = calculateSuggestedMaxGuests();
gameState.GuestGenerationProbability = calculateGuestGenerationProbability();
WindowInvalidateByClass(WindowClass::Finances);
auto intent = Intent(INTENT_ACTION_UPDATE_PARK_RATING);
ContextBroadcastIntent(&intent);
}
// Every ~102 seconds
if (currentTicks % 4096 == 0)
{
gameState.Park.Size = CalculateParkSize();
WindowInvalidateByClass(WindowClass::ParkInformation);
}
generateGuests(gameState);
}
uint32_t CalculateParkSize()
{
uint32_t tiles = 0;
TileElementIterator it;
TileElementIteratorBegin(&it);
do
{
if (it.element->GetType() == TileElementType::Surface)
{
if (it.element->AsSurface()->GetOwnership() & (OWNERSHIP_CONSTRUCTION_RIGHTS_OWNED | OWNERSHIP_OWNED))
{
tiles++;
}
}
} while (TileElementIteratorNext(&it));
auto& gameState = GetGameState();
if (tiles != gameState.Park.Size)
{
gameState.Park.Size = tiles;
WindowInvalidateByClass(WindowClass::ParkInformation);
}
return tiles;
}
int32_t CalculateParkRating()
{
if (_forcedParkRating >= 0)
{
return _forcedParkRating;
}
auto& gameState = GetGameState();
int32_t result = 1150;
if (gameState.Park.Flags & PARK_FLAGS_DIFFICULT_PARK_RATING)
{
result = 1050;
}
// Guests
{
// -150 to +3 based on a range of guests from 0 to 2000
result -= 150 - (std::min<int32_t>(2000, gameState.NumGuestsInPark) / 13);
// Find the number of happy peeps and the number of peeps who can't find the park exit
uint32_t happyGuestCount = 0;
uint32_t lostGuestCount = 0;
for (auto peep : EntityList<Guest>())
{
if (!peep->OutsideOfPark)
{
if (peep->Happiness > 128)
{
happyGuestCount++;
}
if ((peep->PeepFlags & PEEP_FLAGS_LEAVING_PARK) && (peep->GuestIsLostCountdown < 90))
{
lostGuestCount++;
}
}
}
// Peep happiness -500 to +0
result -= 500;
if (gameState.NumGuestsInPark > 0)
{
result += 2 * std::min(250u, (happyGuestCount * 300) / gameState.NumGuestsInPark);
}
// Up to 25 guests can be lost without affecting the park rating.
if (lostGuestCount > 25)
{
result -= (lostGuestCount - 25) * 7;
}
}
// Rides
{
int32_t rideCount = 0;
int32_t excitingRideCount = 0;
int32_t totalRideUptime = 0;
int32_t totalRideIntensity = 0;
int32_t totalRideExcitement = 0;
for (auto& ride : GetRideManager())
{
totalRideUptime += 100 - ride.downtime;
if (RideHasRatings(ride))
{
totalRideExcitement += ride.excitement / 8;
totalRideIntensity += ride.intensity / 8;
excitingRideCount++;
}
rideCount++;
}
result -= 200;
if (rideCount > 0)
{
result += (totalRideUptime / rideCount) * 2;
}
result -= 100;
if (excitingRideCount > 0)
{
int32_t averageExcitement = totalRideExcitement / excitingRideCount;
int32_t averageIntensity = totalRideIntensity / excitingRideCount;
averageExcitement -= 46;
if (averageExcitement < 0)
{
averageExcitement = -averageExcitement;
}
averageIntensity -= 65;
if (averageIntensity < 0)
{
averageIntensity = -averageIntensity;
}
averageExcitement = std::min(averageExcitement / 2, 50);
averageIntensity = std::min(averageIntensity / 2, 50);
result += 100 - averageExcitement - averageIntensity;
}
totalRideExcitement = std::min<int32_t>(1000, totalRideExcitement);
totalRideIntensity = std::min<int32_t>(1000, totalRideIntensity);
result -= 200 - ((totalRideExcitement + totalRideIntensity) / 10);
}
// Litter
{
// Counts the amount of litter whose age is min. 7680 ticks (5~ min) old.
const auto litterList = EntityList<Litter>();
const auto litterCount = std::count_if(
litterList.begin(), litterList.end(), [](auto* litter) { return litter->GetAge() >= 7680; });
result -= 600 - (4 * (150 - std::min<int32_t>(150, litterCount)));
}
result -= gameState.Park.RatingCasualtyPenalty;
result = std::clamp(result, 0, 999);
return result;
}
money64 CalculateParkValue()
{
// Sum ride values
money64 result = 0;
for (const auto& ride : GetRideManager())
{
result += calculateRideValue(ride);
}
// +7.00 per guest
result += static_cast<money64>(GetGameState().NumGuestsInPark) * 7.00_GBP;
return result;
}
money64 CalculateCompanyValue()
{
const auto& gameState = GetGameState();
auto result = gameState.Park.Value - gameState.BankLoan;
// Clamp addition to prevent overflow
result = AddClamp_money64(result, FinanceGetCurrentCash());
return result;
}
uint8_t CalculateGuestInitialHappiness(uint8_t percentage)
{
percentage = std::clamp<uint8_t>(percentage, 15, 98);
// The percentages follow this sequence:
// 15 17 18 20 21 23 25 26 28 29 31 32 34 36 37 39 40 42 43 45 47 48 50 51 53...
// This sequence can be defined as PI*(9+n)/2 (the value is floored)
for (uint8_t n = 1; n < 55; n++)
{
// Avoid floating point math by rescaling PI up.
constexpr int32_t SCALE = 100000;
constexpr int32_t PI_SCALED = 314159; // PI * SCALE;
if (((PI_SCALED * (9 + n)) / SCALE) / 2 >= percentage)
{
return (9 + n) * 4;
}
}
// This is the lowest possible value:
return 40;
}
Guest* GenerateGuest()
{
Guest* peep = nullptr;
const auto spawn = GetRandomPeepSpawn();
if (spawn != nullptr)
{
auto direction = DirectionReverse(spawn->direction);
peep = Guest::Generate({ spawn->x, spawn->y, spawn->z });
if (peep != nullptr)
{
peep->Orientation = direction << 3;
auto destination = peep->GetLocation().ToTileCentre();
peep->SetDestination(destination, 5);
peep->PeepDirection = direction;
peep->Var37 = 0;
peep->State = PeepState::EnteringPark;
}
}
return peep;
}
void ResetHistories(GameState_t& gameState)
{
std::fill(std::begin(gameState.Park.RatingHistory), std::end(gameState.Park.RatingHistory), ParkRatingHistoryUndefined);
std::fill(
std::begin(gameState.GuestsInParkHistory), std::end(gameState.GuestsInParkHistory), GuestsInParkHistoryUndefined);
}
void UpdateHistories(GameState_t& gameState)
{
uint8_t guestChangeModifier = 1;
int32_t changeInGuestsInPark = static_cast<int32_t>(gameState.NumGuestsInPark)
- static_cast<int32_t>(gameState.NumGuestsInParkLastWeek);
if (changeInGuestsInPark > -20)
{
guestChangeModifier++;
if (changeInGuestsInPark < 20)
{
guestChangeModifier = 0;
}
}
gameState.GuestChangeModifier = guestChangeModifier;
gameState.NumGuestsInParkLastWeek = gameState.NumGuestsInPark;
// Update park rating, guests in park and current cash history
HistoryPushRecord<uint8_t, 32>(gameState.Park.RatingHistory, gameState.Park.Rating / 4);
HistoryPushRecord<uint32_t, 32>(gameState.GuestsInParkHistory, gameState.NumGuestsInPark);
constexpr auto cashHistorySize = std::extent_v<decltype(GameState_t::CashHistory)>;
HistoryPushRecord<money64, cashHistorySize>(gameState.CashHistory, FinanceGetCurrentCash() - gameState.BankLoan);
// Update weekly profit history
auto currentWeeklyProfit = gameState.WeeklyProfitAverageDividend;
if (gameState.WeeklyProfitAverageDivisor != 0)
{
currentWeeklyProfit /= gameState.WeeklyProfitAverageDivisor;
}
constexpr auto profitHistorySize = std::extent_v<decltype(GameState_t::WeeklyProfitHistory)>;
HistoryPushRecord<money64, profitHistorySize>(gameState.WeeklyProfitHistory, currentWeeklyProfit);
gameState.WeeklyProfitAverageDividend = 0;
gameState.WeeklyProfitAverageDivisor = 0;
// Update park value history
constexpr auto parkValueHistorySize = std::extent_v<decltype(GameState_t::WeeklyProfitHistory)>;
HistoryPushRecord<money64, parkValueHistorySize>(gameState.Park.ValueHistory, gameState.Park.Value);
// Invalidate relevant windows
auto intent = Intent(INTENT_ACTION_UPDATE_GUEST_COUNT);
ContextBroadcastIntent(&intent);
WindowInvalidateByClass(WindowClass::ParkInformation);
WindowInvalidateByClass(WindowClass::Finances);
}
uint32_t UpdateSize(GameState_t& gameState)
{
auto tiles = CalculateParkSize();
if (tiles != gameState.Park.Size)
{
gameState.Park.Size = tiles;
WindowInvalidateByClass(WindowClass::ParkInformation);
}
return tiles;
}
void SetOpen(bool open)
{
auto parkSetParameter = ParkSetParameterAction(open ? ParkParameter::Open : ParkParameter::Close);
GameActions::Execute(&parkSetParameter);
}
/**
*
* rct2: 0x00664D05
*/
void UpdateFences(const CoordsXY& coords)
{
if (MapIsEdge(coords))
return;
auto surfaceElement = MapGetSurfaceElementAt(coords);
if (surfaceElement == nullptr)
return;
uint8_t newFences = 0;
if ((surfaceElement->GetOwnership() & OWNERSHIP_OWNED) == 0)
{
bool fenceRequired = true;
TileElement* tileElement = MapGetFirstElementAt(coords);
if (tileElement == nullptr)
return;
// If an entrance element do not place flags around surface
do
{
if (tileElement->GetType() != TileElementType::Entrance)
continue;
if (tileElement->AsEntrance()->GetEntranceType() != ENTRANCE_TYPE_PARK_ENTRANCE)
continue;
if (!(tileElement->IsGhost()))
{
fenceRequired = false;
break;
}
} while (!(tileElement++)->IsLastForTile());
if (fenceRequired)
{
if (MapIsLocationInPark({ coords.x - COORDS_XY_STEP, coords.y }))
{
newFences |= 0x8;
}
if (MapIsLocationInPark({ coords.x, coords.y - COORDS_XY_STEP }))
{
newFences |= 0x4;
}
if (MapIsLocationInPark({ coords.x + COORDS_XY_STEP, coords.y }))
{
newFences |= 0x2;
}
if (MapIsLocationInPark({ coords.x, coords.y + COORDS_XY_STEP }))
{
newFences |= 0x1;
}
}
}
if (surfaceElement->GetParkFences() != newFences)
{
int32_t baseZ = surfaceElement->GetBaseZ();
int32_t clearZ = baseZ + 16;
MapInvalidateTile({ coords, baseZ, clearZ });
surfaceElement->SetParkFences(newFences);
}
}
void UpdateFencesAroundTile(const CoordsXY& coords)
{
UpdateFences(coords);
UpdateFences({ coords.x + COORDS_XY_STEP, coords.y });
UpdateFences({ coords.x - COORDS_XY_STEP, coords.y });
UpdateFences({ coords.x, coords.y + COORDS_XY_STEP });
UpdateFences({ coords.x, coords.y - COORDS_XY_STEP });
}
void SetForcedRating(int32_t rating)
{
_forcedParkRating = rating;
GetGameState().Park.Rating = CalculateParkRating();
auto intent = Intent(INTENT_ACTION_UPDATE_PARK_RATING);
ContextBroadcastIntent(&intent);
}
int32_t GetForcedRating()
{
return _forcedParkRating;
}
money64 GetEntranceFee()
{
const auto& gameState = GetGameState();
if (gameState.Park.Flags & PARK_FLAGS_NO_MONEY)
{
return 0;
}
if (!EntranceFeeUnlocked())
{
return 0;
}
return gameState.Park.EntranceFee;
}
bool RidePricesUnlocked()
{
const auto& gameState = GetGameState();
if (gameState.Park.Flags & PARK_FLAGS_UNLOCK_ALL_PRICES)
{
return true;
}
if (gameState.Park.Flags & PARK_FLAGS_PARK_FREE_ENTRY)
{
return true;
}
return false;
}
bool EntranceFeeUnlocked()
{
const auto& gameState = GetGameState();
if (gameState.Park.Flags & PARK_FLAGS_UNLOCK_ALL_PRICES)
{
return true;
}
if (!(gameState.Park.Flags & PARK_FLAGS_PARK_FREE_ENTRY))
{
return true;
}
return false;
}
bool ParkData::IsOpen() const
{
return (Flags & PARK_FLAGS_PARK_OPEN) != 0;
}
} // namespace OpenRCT2::Park
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