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OpenRCT2/src/openrct2/world/Park.cpp
Duncan 23b6d1840e Rename classes with snakes OpenRCT2/G*-M*
2023-01-19 15:13:23 +00:00

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/*****************************************************************************
* 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 "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>
using namespace OpenRCT2;
uint64_t gParkFlags;
uint16_t gParkRating;
money16 gParkEntranceFee;
uint32_t gParkSize;
money16 gLandPrice;
money16 gConstructionRightsPrice;
uint64_t gTotalAdmissions;
money64 gTotalIncomeFromAdmissions;
money64 gParkValue;
money64 gCompanyValue;
int16_t gParkRatingCasualtyPenalty;
uint8_t gParkRatingHistory[32];
uint32_t gGuestsInParkHistory[32];
// 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;
/**
* In a difficult guest generation scenario, no guests will be generated if over this value.
*/
uint32_t _suggestedGuestMaximum;
/**
* Probability out of 65535, of gaining a new guest per game tick.
* new guests per second = 40 * (probability / 65535)
* With a full park rating, non-overpriced entrance fee, less guests than the suggested maximum and four positive awards,
* approximately 1 guest per second can be generated (+60 guests in one minute).
*/
int32_t _guestGenerationProbability;
/**
* Choose a random peep spawn and iterates through until defined spawn is found.
*/
static PeepSpawn* GetRandomPeepSpawn()
{
if (!gPeepSpawns.empty())
{
return &gPeepSpawns[ScenarioRand() % gPeepSpawns.size()];
}
return nullptr;
}
void ParkSetOpen(bool open)
{
auto parkSetParameter = ParkSetParameterAction(open ? ParkParameter::Open : ParkParameter::Close);
GameActions::Execute(&parkSetParameter);
}
/**
*
* rct2: 0x00664D05
*/
void ParkUpdateFences(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 ParkUpdateFencesAroundTile(const CoordsXY& coords)
{
ParkUpdateFences(coords);
ParkUpdateFences({ coords.x + COORDS_XY_STEP, coords.y });
ParkUpdateFences({ coords.x - COORDS_XY_STEP, coords.y });
ParkUpdateFences({ coords.x, coords.y + COORDS_XY_STEP });
ParkUpdateFences({ coords.x, coords.y - COORDS_XY_STEP });
}
void ParkSetForcedRating(int32_t rating)
{
_forcedParkRating = rating;
auto& park = GetContext()->GetGameState()->GetPark();
gParkRating = park.CalculateParkRating();
auto intent = Intent(INTENT_ACTION_UPDATE_PARK_RATING);
ContextBroadcastIntent(&intent);
}
int32_t ParkGetForcedRating()
{
return _forcedParkRating;
}
money16 ParkGetEntranceFee()
{
if (gParkFlags & PARK_FLAGS_NO_MONEY)
{
return 0;
}
if (!ParkEntranceFeeUnlocked())
{
return 0;
}
return gParkEntranceFee;
}
bool ParkRidePricesUnlocked()
{
if (gParkFlags & PARK_FLAGS_UNLOCK_ALL_PRICES)
{
return true;
}
if (gParkFlags & PARK_FLAGS_PARK_FREE_ENTRY)
{
return true;
}
return false;
}
bool ParkEntranceFeeUnlocked()
{
if (gParkFlags & PARK_FLAGS_UNLOCK_ALL_PRICES)
{
return true;
}
if (!(gParkFlags & PARK_FLAGS_PARK_FREE_ENTRY))
{
return true;
}
return false;
}
bool Park::IsOpen() const
{
return (gParkFlags & PARK_FLAGS_PARK_OPEN) != 0;
}
uint16_t Park::GetParkRating() const
{
return gParkRating;
}
money64 Park::GetParkValue() const
{
return gParkValue;
}
money64 Park::GetCompanyValue() const
{
return gCompanyValue;
}
void Park::Initialise()
{
Name = FormatStringID(STR_UNNAMED_PARK, nullptr);
PluginStorage = {};
gStaffHandymanColour = COLOUR_BRIGHT_RED;
gStaffMechanicColour = COLOUR_LIGHT_BLUE;
gStaffSecurityColour = COLOUR_YELLOW;
gNumGuestsInPark = 0;
gNumGuestsInParkLastWeek = 0;
gNumGuestsHeadingForPark = 0;
gGuestChangeModifier = 0;
gParkRating = 0;
_guestGenerationProbability = 0;
gTotalRideValueForMoney = 0;
_suggestedGuestMaximum = 0;
gResearchLastItem = std::nullopt;
gMarketingCampaigns.clear();
ResearchResetItems();
FinanceInit();
SetEveryRideTypeNotInvented();
SetAllSceneryItemsInvented();
gParkEntranceFee = 10.00_GBP;
gPeepSpawns.clear();
ParkEntranceReset();
gResearchPriorities = EnumsToFlags(
ResearchCategory::Transport, ResearchCategory::Gentle, ResearchCategory::Rollercoaster, ResearchCategory::Thrill,
ResearchCategory::Water, ResearchCategory::Shop, ResearchCategory::SceneryGroup);
gResearchFundingLevel = RESEARCH_FUNDING_NORMAL;
gGuestInitialCash = 50.00_GBP;
gGuestInitialHappiness = CalculateGuestInitialHappiness(50);
gGuestInitialHunger = 200;
gGuestInitialThirst = 200;
gScenarioObjective.Type = OBJECTIVE_GUESTS_BY;
gScenarioObjective.Year = 4;
gScenarioObjective.NumGuests = 1000;
gLandPrice = 90.00_GBP;
gConstructionRightsPrice = 40.00_GBP;
gParkFlags = PARK_FLAGS_NO_MONEY | PARK_FLAGS_SHOW_REAL_GUEST_NAMES;
ResetHistories();
FinanceResetHistory();
AwardReset();
gScenarioName.clear();
gScenarioDetails = String::ToStd(LanguageGetString(STR_NO_DETAILS_YET));
}
void Park::Update(const Date& date)
{
PROFILED_FUNCTION();
// Every new week
if (date.IsWeekStart())
{
UpdateHistories();
}
// Every ~13 seconds
if (gCurrentTicks % 512 == 0)
{
gParkRating = CalculateParkRating();
gParkValue = CalculateParkValue();
gCompanyValue = CalculateCompanyValue();
gTotalRideValueForMoney = CalculateTotalRideValueForMoney();
_suggestedGuestMaximum = CalculateSuggestedMaxGuests();
_guestGenerationProbability = CalculateGuestGenerationProbability();
WindowInvalidateByClass(WindowClass::Finances);
auto intent = Intent(INTENT_ACTION_UPDATE_PARK_RATING);
ContextBroadcastIntent(&intent);
}
// Every ~102 seconds
if (gCurrentTicks % 4096 == 0)
{
gParkSize = CalculateParkSize();
WindowInvalidateByClass(WindowClass::ParkInformation);
}
GenerateGuests();
}
uint32_t Park::CalculateParkSize() const
{
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));
if (tiles != gParkSize)
{
gParkSize = tiles;
WindowInvalidateByClass(WindowClass::ParkInformation);
}
return tiles;
}
int32_t Park::CalculateParkRating() const
{
if (_forcedParkRating >= 0)
{
return _forcedParkRating;
}
int32_t result = 1150;
if (gParkFlags & 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, gNumGuestsInPark) / 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 (gNumGuestsInPark > 0)
{
result += 2 * std::min(250u, (happyGuestCount * 300) / gNumGuestsInPark);
}
// 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 -= gParkRatingCasualtyPenalty;
result = std::clamp(result, 0, 999);
return result;
}
money64 Park::CalculateParkValue() const
{
// Sum ride values
money64 result = 0;
for (const auto& ride : GetRideManager())
{
result += CalculateRideValue(ride);
}
// +7.00 per guest
result += static_cast<money64>(gNumGuestsInPark) * 7.00_GBP;
return result;
}
money64 Park::CalculateRideValue(const Ride& ride) const
{
money64 result = 0;
if (ride.value != RIDE_VALUE_UNDEFINED)
{
const auto& rtd = ride.GetRideTypeDescriptor();
result = ToMoney64FromGBP(ride.value)
* (static_cast<money64>(RideCustomersInLast5Minutes(ride)) + rtd.BonusValue * 4LL);
}
return result;
}
money64 Park::CalculateCompanyValue() const
{
auto result = gParkValue - gBankLoan;
// Clamp addition to prevent overflow
result = AddClamp_money64(result, FinanceGetCurrentCash());
return result;
}
money16 Park::CalculateTotalRideValueForMoney() const
{
money16 totalRideValue = 0;
bool ridePricesUnlocked = ParkRidePricesUnlocked() && !(gParkFlags & 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)
{
money16 rideValue = static_cast<money16>(ride.value);
if (ridePricesUnlocked)
{
rideValue -= ride.price[0];
}
if (rideValue > 0)
{
totalRideValue += rideValue * 2;
}
}
}
return totalRideValue;
}
uint32_t Park::CalculateSuggestedMaxGuests() const
{
uint32_t suggestedMaxGuests = 0;
uint32_t difficultGenerationBonus = 0;
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 (gParkFlags & 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 (gParkFlags & PARK_FLAGS_DIFFICULT_GUEST_GENERATION)
{
suggestedMaxGuests = std::min<uint32_t>(suggestedMaxGuests, 1000);
suggestedMaxGuests += difficultGenerationBonus;
}
suggestedMaxGuests = std::min<uint32_t>(suggestedMaxGuests, 65535);
return suggestedMaxGuests;
}
uint32_t Park::CalculateGuestGenerationProbability() const
{
// Begin with 50 + park rating
uint32_t probability = 50 + std::clamp(gParkRating - 200, 0, 650);
// The more guests, the lower the chance of a new one
uint32_t numGuests = gNumGuestsInPark + gNumGuestsHeadingForPark;
if (numGuests > _suggestedGuestMaximum)
{
probability /= 4;
// Even lower for difficult guest generation
if (gParkFlags & 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
money16 entranceFee = ParkGetEntranceFee();
if (entranceFee > gTotalRideValueForMoney)
{
probability /= 4;
// Extra penalty for very overpriced entrance fee
if (entranceFee / 2 > gTotalRideValueForMoney)
{
probability /= 4;
}
}
// Reward or penalties for park awards
for (const auto& award : GetAwards())
{
// +/- 0.25% of the probability
if (AwardIsPositive(award.Type))
{
probability += probability / 4;
}
else
{
probability -= probability / 4;
}
}
return probability;
}
uint8_t Park::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;
}
void Park::GenerateGuests()
{
// Generate a new guest for some probability
if (static_cast<int32_t>(ScenarioRand() & 0xFFFF) < _guestGenerationProbability)
{
bool difficultGeneration = (gParkFlags & PARK_FLAGS_DIFFICULT_GUEST_GENERATION) != 0;
if (!difficultGeneration || _suggestedGuestMaximum + 150 >= gNumGuestsInPark)
{
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);
}
}
}
Guest* Park::GenerateGuestFromCampaign(int32_t campaign)
{
auto peep = GenerateGuest();
if (peep != nullptr)
{
MarketingSetGuestCampaign(peep, campaign);
}
return peep;
}
Guest* Park::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->sprite_direction = direction << 3;
auto destination = peep->GetLocation().ToTileCentre();
peep->SetDestination(destination, 5);
peep->PeepDirection = direction;
peep->Var37 = 0;
peep->State = PeepState::EnteringPark;
}
}
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 Park::ResetHistories()
{
std::fill(std::begin(gParkRatingHistory), std::end(gParkRatingHistory), ParkRatingHistoryUndefined);
std::fill(std::begin(gGuestsInParkHistory), std::end(gGuestsInParkHistory), GuestsInParkHistoryUndefined);
}
void Park::UpdateHistories()
{
uint8_t guestChangeModifier = 1;
int32_t changeInGuestsInPark = static_cast<int32_t>(gNumGuestsInPark) - static_cast<int32_t>(gNumGuestsInParkLastWeek);
if (changeInGuestsInPark > -20)
{
guestChangeModifier++;
if (changeInGuestsInPark < 20)
{
guestChangeModifier = 0;
}
}
gGuestChangeModifier = guestChangeModifier;
gNumGuestsInParkLastWeek = gNumGuestsInPark;
// Update park rating, guests in park and current cash history
HistoryPushRecord<uint8_t, 32>(gParkRatingHistory, gParkRating / 4);
HistoryPushRecord<uint32_t, 32>(gGuestsInParkHistory, gNumGuestsInPark);
HistoryPushRecord<money64, std::size(gCashHistory)>(gCashHistory, FinanceGetCurrentCash() - gBankLoan);
// Update weekly profit history
auto currentWeeklyProfit = gWeeklyProfitAverageDividend;
if (gWeeklyProfitAverageDivisor != 0)
{
currentWeeklyProfit /= gWeeklyProfitAverageDivisor;
}
HistoryPushRecord<money64, std::size(gWeeklyProfitHistory)>(gWeeklyProfitHistory, currentWeeklyProfit);
gWeeklyProfitAverageDividend = 0;
gWeeklyProfitAverageDivisor = 0;
// Update park value history
HistoryPushRecord<money64, std::size(gParkValueHistory)>(gParkValueHistory, gParkValue);
// Invalidate relevant windows
auto intent = Intent(INTENT_ACTION_UPDATE_GUEST_COUNT);
ContextBroadcastIntent(&intent);
WindowInvalidateByClass(WindowClass::ParkInformation);
WindowInvalidateByClass(WindowClass::Finances);
}
int32_t ParkIsOpen()
{
return GetContext()->GetGameState()->GetPark().IsOpen();
}
uint32_t ParkCalculateSize()
{
auto tiles = GetContext()->GetGameState()->GetPark().CalculateParkSize();
if (tiles != gParkSize)
{
gParkSize = tiles;
WindowInvalidateByClass(WindowClass::ParkInformation);
}
return tiles;
}
uint8_t CalculateGuestInitialHappiness(uint8_t percentage)
{
return Park::CalculateGuestInitialHappiness(percentage);
}
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