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OpenRCT2/src/openrct2/world/Park.cpp
Tulio Leao 64e4a8420e Use named casts on openrct2/world (#11141)
2020-04-17 21:08:22 +02:00

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/*****************************************************************************
* Copyright (c) 2014-2019 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.hpp"
#include "../config/Config.h"
#include "../core/Memory.hpp"
#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/NewsItem.h"
#include "../management/Research.h"
#include "../network/network.h"
#include "../peep/Peep.h"
#include "../peep/Staff.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 "Sprite.h"
#include "Surface.h"
#include <algorithm>
#include <limits>
using namespace OpenRCT2;
uint32_t gParkFlags;
uint16_t gParkRating;
money16 gParkEntranceFee;
uint16_t gParkSize;
money16 gLandPrice;
money16 gConstructionRightsPrice;
uint32_t gTotalAdmissions;
money32 gTotalIncomeFromAdmissions;
money32 gParkValue;
money32 gCompanyValue;
int16_t gParkRatingCasualtyPenalty;
uint8_t gParkRatingHistory[32];
uint8_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* get_random_peep_spawn()
{
if (!gPeepSpawns.empty())
{
return &gPeepSpawns[scenario_rand() % gPeepSpawns.size()];
}
else
{
return nullptr;
}
}
void park_set_open(bool open)
{
auto parkSetParameter = ParkSetParameterAction(open ? ParkParameter::Open : ParkParameter::Close);
GameActions::Execute(&parkSetParameter);
}
/**
*
* rct2: 0x00664D05
*/
void update_park_fences(const CoordsXY& coords)
{
if (map_is_edge(coords))
return;
auto surfaceElement = map_get_surface_element_at(coords);
if (surfaceElement == nullptr)
return;
uint8_t newFences = 0;
if ((surfaceElement->GetOwnership() & OWNERSHIP_OWNED) == 0)
{
bool fenceRequired = true;
TileElement* tileElement = map_get_first_element_at(coords);
if (tileElement == nullptr)
return;
// If an entrance element do not place flags around surface
do
{
if (tileElement->GetType() != TILE_ELEMENT_TYPE_ENTRANCE)
continue;
if (tileElement->AsEntrance()->GetEntranceType() != ENTRANCE_TYPE_PARK_ENTRANCE)
continue;
if (!(tileElement->IsGhost()))
{
fenceRequired = false;
break;
}
} while (!(tileElement++)->IsLastForTile());
if (fenceRequired)
{
// As map_is_location_in_park sets the error text
// will require to back it up.
rct_string_id previous_error = gGameCommandErrorText;
if (map_is_location_in_park({ coords.x - COORDS_XY_STEP, coords.y }))
{
newFences |= 0x8;
}
if (map_is_location_in_park({ coords.x, coords.y - COORDS_XY_STEP }))
{
newFences |= 0x4;
}
if (map_is_location_in_park({ coords.x + COORDS_XY_STEP, coords.y }))
{
newFences |= 0x2;
}
if (map_is_location_in_park({ coords.x, coords.y + COORDS_XY_STEP }))
{
newFences |= 0x1;
}
gGameCommandErrorText = previous_error;
}
}
if (surfaceElement->GetParkFences() != newFences)
{
int32_t baseZ = surfaceElement->GetBaseZ();
int32_t clearZ = baseZ + 16;
map_invalidate_tile({ coords, baseZ, clearZ });
surfaceElement->SetParkFences(newFences);
}
}
void update_park_fences_around_tile(const CoordsXY& coords)
{
update_park_fences(coords);
update_park_fences({ coords.x + COORDS_XY_STEP, coords.y });
update_park_fences({ coords.x - COORDS_XY_STEP, coords.y });
update_park_fences({ coords.x, coords.y + COORDS_XY_STEP });
update_park_fences({ coords.x, coords.y - COORDS_XY_STEP });
}
void set_forced_park_rating(int32_t rating)
{
_forcedParkRating = rating;
auto& park = GetContext()->GetGameState()->GetPark();
gParkRating = park.CalculateParkRating();
auto intent = Intent(INTENT_ACTION_UPDATE_PARK_RATING);
context_broadcast_intent(&intent);
}
int32_t get_forced_park_rating()
{
return _forcedParkRating;
}
money16 park_get_entrance_fee()
{
if (gParkFlags & PARK_FLAGS_NO_MONEY)
{
return 0;
}
if (!park_entry_price_unlocked())
{
return 0;
}
return gParkEntranceFee;
}
bool park_ride_prices_unlocked()
{
if (gParkFlags & PARK_FLAGS_UNLOCK_ALL_PRICES)
{
return true;
}
if (gParkFlags & PARK_FLAGS_PARK_FREE_ENTRY)
{
return true;
}
return false;
}
bool park_entry_price_unlocked()
{
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;
}
money32 Park::GetParkValue() const
{
return gParkValue;
}
money32 Park::GetCompanyValue() const
{
return gCompanyValue;
}
void Park::Initialise()
{
Name = format_string(STR_UNNAMED_PARK, nullptr);
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;
gResearchLastItem = std::nullopt;
gMarketingCampaigns.clear();
research_reset_items();
finance_init();
set_every_ride_type_not_invented();
set_all_scenery_items_invented();
gParkEntranceFee = MONEY(10, 00);
gPeepSpawns.clear();
reset_park_entrance();
gResearchPriorities = (1 << RESEARCH_CATEGORY_TRANSPORT) | (1 << RESEARCH_CATEGORY_GENTLE)
| (1 << RESEARCH_CATEGORY_ROLLERCOASTER) | (1 << RESEARCH_CATEGORY_THRILL) | (1 << RESEARCH_CATEGORY_WATER)
| (1 << RESEARCH_CATEGORY_SHOP) | (1 << RESEARCH_CATEGORY_SCENERY_GROUP);
gResearchFundingLevel = RESEARCH_FUNDING_NORMAL;
gGuestInitialCash = MONEY(50, 00);
gGuestInitialHappiness = CalculateGuestInitialHappiness(50);
gGuestInitialHunger = 200;
gGuestInitialThirst = 200;
gScenarioObjectiveType = OBJECTIVE_GUESTS_BY;
gScenarioObjectiveYear = 4;
gScenarioObjectiveNumGuests = 1000;
gLandPrice = MONEY(90, 00);
gConstructionRightsPrice = MONEY(40, 00);
gParkFlags = PARK_FLAGS_NO_MONEY | PARK_FLAGS_SHOW_REAL_GUEST_NAMES;
ResetHistories();
finance_reset_history();
award_reset();
gS6Info.name[0] = '\0';
format_string(gS6Info.details, 256, STR_NO_DETAILS_YET, nullptr);
}
void Park::Update(const Date& date)
{
// Every ~13 seconds
if (gCurrentTicks % 512 == 0)
{
gParkRating = CalculateParkRating();
gParkValue = CalculateParkValue();
gCompanyValue = CalculateCompanyValue();
gTotalRideValueForMoney = CalculateTotalRideValueForMoney();
_suggestedGuestMaximum = CalculateSuggestedMaxGuests();
_guestGenerationProbability = CalculateGuestGenerationProbability();
window_invalidate_by_class(WC_FINANCES);
auto intent = Intent(INTENT_ACTION_UPDATE_PARK_RATING);
context_broadcast_intent(&intent);
}
// Every ~102 seconds
if (gCurrentTicks % 4096 == 0)
{
gParkSize = CalculateParkSize();
window_invalidate_by_class(WC_PARK_INFORMATION);
}
// Every new week
if (date.IsWeekStart())
{
UpdateHistories();
}
GenerateGuests();
}
int32_t Park::CalculateParkSize() const
{
int32_t tiles;
tile_element_iterator it;
tiles = 0;
tile_element_iterator_begin(&it);
do
{
if (it.element->GetType() == TILE_ELEMENT_TYPE_SURFACE)
{
if (it.element->AsSurface()->GetOwnership() & (OWNERSHIP_CONSTRUCTION_RIGHTS_OWNED | OWNERSHIP_OWNED))
{
tiles++;
}
}
} while (tile_element_iterator_next(&it));
if (tiles != gParkSize)
{
gParkSize = tiles;
window_invalidate_by_class(WC_PARK_INFORMATION);
}
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<int16_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;
uint16_t spriteIndex;
Peep* peep;
FOR_ALL_GUESTS (spriteIndex, peep)
{
if (peep->outside_of_park == 0)
{
if (peep->happiness > 128)
{
happyGuestCount++;
}
if ((peep->peep_flags & PEEP_FLAGS_LEAVING_PARK) && (peep->peep_is_lost_countdown < 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 (ride_has_ratings(&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<int16_t>(1000, totalRideExcitement);
totalRideIntensity = std::min<int16_t>(1000, totalRideIntensity);
result -= 200 - ((totalRideExcitement + totalRideIntensity) / 10);
}
// Litter
{
Litter* litter;
int32_t litterCount = 0;
for (uint16_t spriteIndex = gSpriteListHead[SPRITE_LIST_LITTER]; spriteIndex != SPRITE_INDEX_NULL;
spriteIndex = litter->next)
{
litter = &(get_sprite(spriteIndex)->litter);
// Ignore recently dropped litter
if (litter->creationTick - gScenarioTicks >= 7680)
{
litterCount++;
}
}
result -= 600 - (4 * (150 - std::min<int32_t>(150, litterCount)));
}
result -= gParkRatingCasualtyPenalty;
result = std::clamp(result, 0, 999);
return result;
}
money32 Park::CalculateParkValue() const
{
// Sum ride values
money32 result = 0;
for (const auto& ride : GetRideManager())
{
result += CalculateRideValue(&ride);
}
// +7.00 per guest
result += gNumGuestsInPark * MONEY(7, 00);
return result;
}
money32 Park::CalculateRideValue(const Ride* ride) const
{
money32 result = 0;
if (ride != nullptr && ride->value != RIDE_VALUE_UNDEFINED)
{
result = (ride->value * 10) * (ride_customers_in_last_5_minutes(ride) + rideBonusValue[ride->type] * 4);
}
return result;
}
money32 Park::CalculateCompanyValue() const
{
money32 result = gParkValue - gBankLoan;
// Clamp addition to prevent overflow
result = add_clamp_money32(result, finance_get_current_cash());
return result;
}
money16 Park::CalculateTotalRideValueForMoney() const
{
money16 totalRideValue = 0;
for (auto& ride : GetRideManager())
{
if (ride.status != RIDE_STATUS_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 - ride.price);
if (rideValue > 0)
{
totalRideValue += rideValue * 2;
}
}
}
return totalRideValue;
}
uint32_t Park::CalculateSuggestedMaxGuests() const
{
uint32_t suggestedMaxGuests = 0;
// TODO combine the two ride loops
for (auto& ride : GetRideManager())
{
if (ride.status != RIDE_STATUS_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 += rideBonusValue[ride.type];
}
// If difficult guest generation, extra guests are available for good rides
if (gParkFlags & PARK_FLAGS_DIFFICULT_GUEST_GENERATION)
{
suggestedMaxGuests = std::min<uint32_t>(suggestedMaxGuests, 1000);
for (auto& ride : GetRideManager())
{
if (ride.lifecycle_flags & RIDE_LIFECYCLE_CRASHED)
continue;
if (ride.lifecycle_flags & RIDE_LIFECYCLE_BROKEN_DOWN)
continue;
if (!(ride.lifecycle_flags & RIDE_LIFECYCLE_TESTED))
continue;
if (!ride_type_has_flag(ride.type, RIDE_TYPE_FLAG_HAS_TRACK))
continue;
if (!ride_type_has_flag(ride.type, RIDE_TYPE_FLAG_HAS_DATA_LOGGING))
continue;
if (ride.stations[0].SegmentLength < (600 << 16))
continue;
if (ride.excitement < RIDE_RATING(6, 00))
continue;
// Bonus guests for good ride
suggestedMaxGuests += rideBonusValue[ride.type] * 2;
}
}
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 = park_get_entrance_fee();
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 (size_t i = 0; i < MAX_AWARDS; i++)
{
const auto award = &gCurrentAwards[i];
if (award->Time != 0)
{
// +/- 0.25% of the probability
if (award_is_positive(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>(scenario_rand() & 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 = marketing_get_campaign_guest_generation_probability(campaign.Type);
auto random = scenario_rand_max(std::numeric_limits<uint16_t>::max());
if (random < probability)
{
GenerateGuestFromCampaign(campaign.Type);
}
}
}
Peep* Park::GenerateGuestFromCampaign(int32_t campaign)
{
auto peep = GenerateGuest();
if (peep != nullptr)
{
marketing_set_guest_campaign(peep, campaign);
}
return peep;
}
Peep* Park::GenerateGuest()
{
Peep* peep = nullptr;
const auto spawn = get_random_peep_spawn();
if (spawn != nullptr)
{
auto direction = direction_reverse(spawn->direction);
peep = Peep::Generate({ spawn->x, spawn->y, spawn->z });
if (peep != nullptr)
{
peep->sprite_direction = direction << 3;
// Get the centre point of the tile the peep is on
peep->destination_x = (peep->x & 0xFFE0) + 16;
peep->destination_y = (peep->y & 0xFFE0) + 16;
peep->destination_tolerance = 5;
peep->direction = direction;
peep->var_37 = 0;
peep->state = PEEP_STATE_ENTERING_PARK;
}
}
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()
{
for (size_t i = 0; i < 32; i++)
{
gParkRatingHistory[i] = 255;
gGuestsInParkHistory[i] = 255;
}
}
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, CalculateParkRating() / 4);
HistoryPushRecord<uint8_t, 32>(gGuestsInParkHistory, std::min<uint16_t>(gNumGuestsInPark, 5000) / 20);
HistoryPushRecord<money32, 128>(gCashHistory, finance_get_current_cash() - gBankLoan);
// Update weekly profit history
money32 currentWeeklyProfit = gWeeklyProfitAverageDividend;
if (gWeeklyProfitAverageDivisor != 0)
{
currentWeeklyProfit /= gWeeklyProfitAverageDivisor;
}
HistoryPushRecord<money32, 128>(gWeeklyProfitHistory, currentWeeklyProfit);
gWeeklyProfitAverageDividend = 0;
gWeeklyProfitAverageDivisor = 0;
// Update park value history
HistoryPushRecord<money32, 128>(gParkValueHistory, gParkValue);
// Invalidate relevant windows
auto intent = Intent(INTENT_ACTION_UPDATE_GUEST_COUNT);
context_broadcast_intent(&intent);
window_invalidate_by_class(WC_PARK_INFORMATION);
window_invalidate_by_class(WC_FINANCES);
}
int32_t park_is_open()
{
return GetContext()->GetGameState()->GetPark().IsOpen();
}
int32_t park_calculate_size()
{
auto tiles = GetContext()->GetGameState()->GetPark().CalculateParkSize();
if (tiles != gParkSize)
{
gParkSize = tiles;
window_invalidate_by_class(WC_PARK_INFORMATION);
}
return tiles;
}
uint8_t calculate_guest_initial_happiness(uint8_t percentage)
{
return Park::CalculateGuestInitialHappiness(percentage);
}
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