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OpenRCT2/src/openrct2/management/Research.cpp
2020-04-30 12:59:18 +02:00

913 lines
26 KiB
C++

/*****************************************************************************
* 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 "Research.h"
#include "../Game.h"
#include "../OpenRCT2.h"
#include "../actions/ParkSetResearchFundingAction.hpp"
#include "../config/Config.h"
#include "../core/Guard.hpp"
#include "../core/Memory.hpp"
#include "../interface/Window.h"
#include "../localisation/Date.h"
#include "../localisation/Localisation.h"
#include "../localisation/StringIds.h"
#include "../object/ObjectList.h"
#include "../rct1/RCT1.h"
#include "../ride/Ride.h"
#include "../ride/RideData.h"
#include "../ride/RideGroupManager.h"
#include "../ride/TrackData.h"
#include "../scenario/Scenario.h"
#include "../util/Util.h"
#include "../world/Park.h"
#include "../world/Scenery.h"
#include "Finance.h"
#include "NewsItem.h"
#include <algorithm>
#include <iterator>
static constexpr const int32_t _researchRate[] = {
0,
160,
250,
400,
};
uint8_t gResearchFundingLevel;
uint8_t gResearchPriorities;
uint16_t gResearchProgress;
uint8_t gResearchProgressStage;
std::optional<ResearchItem> gResearchLastItem;
uint8_t gResearchExpectedMonth;
uint8_t gResearchExpectedDay;
std::optional<ResearchItem> gResearchNextItem;
std::vector<ResearchItem> gResearchItemsUninvented;
std::vector<ResearchItem> gResearchItemsInvented;
// 0x00EE787C
uint8_t gResearchUncompletedCategories;
static bool _researchedRideTypes[RIDE_TYPE_COUNT];
static bool _researchedRideEntries[MAX_RIDE_OBJECTS];
static bool _researchedSceneryItems[SCENERY_TYPE_COUNT][UINT16_MAX];
bool gSilentResearch = false;
/**
*
* rct2: 0x006671AD, part of 0x00667132
*/
void research_reset_items()
{
gResearchItemsUninvented.clear();
gResearchItemsInvented.clear();
}
/**
*
* rct2: 0x00684BAE
*/
void research_update_uncompleted_types()
{
int32_t uncompletedResearchTypes = 0;
for (auto const& researchItem : gResearchItemsUninvented)
{
uncompletedResearchTypes |= (1 << researchItem.category);
}
gResearchUncompletedCategories = uncompletedResearchTypes;
}
/**
*
* rct2: 0x00684D2A
*/
static void research_calculate_expected_date()
{
if (gResearchProgressStage == RESEARCH_STAGE_INITIAL_RESEARCH || gResearchFundingLevel == RESEARCH_FUNDING_NONE)
{
gResearchExpectedDay = 255;
}
else
{
int32_t progressRemaining = gResearchProgressStage == RESEARCH_STAGE_COMPLETING_DESIGN ? 0x10000 : 0x20000;
progressRemaining -= gResearchProgress;
int32_t daysRemaining = (progressRemaining / _researchRate[gResearchFundingLevel]) * 128;
int32_t expectedDay = gDateMonthTicks + (daysRemaining & 0xFFFF);
int32_t dayQuotient = expectedDay / 0x10000;
int32_t dayRemainder = expectedDay % 0x10000;
int32_t expectedMonth = date_get_month(gDateMonthsElapsed + dayQuotient + (daysRemaining >> 16));
expectedDay = (dayRemainder * days_in_month[expectedMonth]) >> 16;
gResearchExpectedDay = expectedDay;
gResearchExpectedMonth = expectedMonth;
}
}
static void research_invalidate_related_windows()
{
window_invalidate_by_class(WC_CONSTRUCT_RIDE);
window_invalidate_by_class(WC_RESEARCH);
}
static void research_mark_as_fully_completed()
{
gResearchProgress = 0;
gResearchProgressStage = RESEARCH_STAGE_FINISHED_ALL;
research_invalidate_related_windows();
// Reset funding to 0 if no more rides.
auto gameAction = ParkSetResearchFundingAction(gResearchPriorities, 0);
GameActions::Execute(&gameAction);
}
/**
*
* rct2: 0x00684BE5
*/
static void research_next_design()
{
if (gResearchItemsUninvented.empty())
{
research_mark_as_fully_completed();
return;
}
ResearchItem researchItem;
bool ignoreActiveResearchTypes = false;
auto it = gResearchItemsUninvented.begin();
for (;;)
{
researchItem = *it;
if (it == gResearchItemsUninvented.end())
{
if (!ignoreActiveResearchTypes)
{
ignoreActiveResearchTypes = true;
it = gResearchItemsUninvented.begin();
continue;
}
else
{
research_mark_as_fully_completed();
return;
}
}
else if (ignoreActiveResearchTypes || (gResearchPriorities & (1 << researchItem.category)))
{
break;
}
it++;
}
gResearchNextItem = researchItem;
gResearchProgress = 0;
gResearchProgressStage = RESEARCH_STAGE_DESIGNING;
gResearchItemsUninvented.erase(it);
gResearchItemsInvented.push_back(researchItem);
research_invalidate_related_windows();
}
/**
*
* rct2: 0x006848D4
*/
void research_finish_item(ResearchItem* researchItem)
{
gResearchLastItem = *researchItem;
research_invalidate_related_windows();
if (researchItem->type == RESEARCH_ENTRY_TYPE_RIDE)
{
// Ride
uint32_t base_ride_type = researchItem->baseRideType;
ObjectEntryIndex rideEntryIndex = researchItem->entryIndex;
rct_ride_entry* rideEntry = get_ride_entry(rideEntryIndex);
if (rideEntry != nullptr && base_ride_type != RIDE_TYPE_NULL)
{
bool ride_group_was_invented_before = false;
bool ride_type_was_invented_before = ride_type_is_invented(base_ride_type);
rct_string_id availabilityString;
// Determine if the ride group this entry belongs to was invented before.
if (RideTypeDescriptors[base_ride_type].HasFlag(RIDE_TYPE_FLAG_HAS_RIDE_GROUPS))
{
const RideGroup* rideGroup = RideGroupManager::GetRideGroup(base_ride_type, rideEntry);
if (rideGroup->IsInvented())
{
ride_group_was_invented_before = true;
}
}
ride_type_set_invented(base_ride_type);
openrct2_assert(base_ride_type < RIDE_TYPE_COUNT, "Invalid base_ride_type = %d", base_ride_type);
ride_entry_set_invented(rideEntryIndex);
bool seenRideEntry[MAX_RIDE_OBJECTS]{};
for (auto const& researchItem3 : gResearchItemsUninvented)
{
ObjectEntryIndex index = researchItem3.entryIndex;
seenRideEntry[index] = true;
}
for (auto const& researchItem3 : gResearchItemsInvented)
{
ObjectEntryIndex index = researchItem3.entryIndex;
seenRideEntry[index] = true;
}
// RCT2 made non-separated vehicles available at once, by removing all but one from research.
// To ensure old files keep working, look for ride entries not in research, and make them available as well.
for (int32_t i = 0; i < MAX_RIDE_OBJECTS; i++)
{
if (!seenRideEntry[i])
{
rct_ride_entry* rideEntry2 = get_ride_entry(i);
if (rideEntry2 != nullptr)
{
for (uint8_t j = 0; j < MAX_RIDE_TYPES_PER_RIDE_ENTRY; j++)
{
if (rideEntry2->ride_type[j] == base_ride_type)
{
ride_entry_set_invented(i);
break;
}
}
}
}
}
auto ft = Formatter::Common();
// If a vehicle should be listed separately (maze, mini golf, flat rides, shops)
if (RideTypeDescriptors[base_ride_type].HasFlag(RIDE_TYPE_FLAG_LIST_VEHICLES_SEPARATELY))
{
availabilityString = STR_NEWS_ITEM_RESEARCH_NEW_RIDE_AVAILABLE;
ft.Add<rct_string_id>(rideEntry->naming.name);
}
// If a vehicle is the first to be invented for its ride group, show the ride group name.
else if (
!ride_type_was_invented_before
|| (RideTypeDescriptors[base_ride_type].HasFlag(RIDE_TYPE_FLAG_HAS_RIDE_GROUPS)
&& !ride_group_was_invented_before))
{
rct_ride_name naming = get_ride_naming(base_ride_type, rideEntry);
availabilityString = STR_NEWS_ITEM_RESEARCH_NEW_RIDE_AVAILABLE;
ft.Add<rct_string_id>(naming.name);
}
// If the vehicle should not be listed separately and it isn't the first to be invented for its ride group,
// report it as a new vehicle for the existing ride group.
else
{
availabilityString = STR_NEWS_ITEM_RESEARCH_NEW_VEHICLE_AVAILABLE;
rct_ride_name baseRideNaming = get_ride_naming(base_ride_type, rideEntry);
ft.Add<rct_string_id>(baseRideNaming.name);
ft.Add<rct_string_id>(rideEntry->naming.name);
}
if (!gSilentResearch)
{
if (gConfigNotifications.ride_researched)
{
news_item_add_to_queue(NEWS_ITEM_RESEARCH, availabilityString, researchItem->rawValue);
}
}
research_invalidate_related_windows();
}
}
else
{
// Scenery
rct_scenery_group_entry* sceneryGroupEntry = get_scenery_group_entry(researchItem->entryIndex);
if (sceneryGroupEntry != nullptr)
{
scenery_group_set_invented(researchItem->entryIndex);
auto ft = Formatter::Common();
ft.Add<rct_string_id>(sceneryGroupEntry->name);
if (!gSilentResearch)
{
if (gConfigNotifications.ride_researched)
{
news_item_add_to_queue(
NEWS_ITEM_RESEARCH, STR_NEWS_ITEM_RESEARCH_NEW_SCENERY_SET_AVAILABLE, researchItem->rawValue);
}
}
research_invalidate_related_windows();
init_scenery();
}
}
}
/**
*
* rct2: 0x00684C7A
*/
void research_update()
{
int32_t editorScreenFlags, researchLevel, currentResearchProgress;
editorScreenFlags = SCREEN_FLAGS_SCENARIO_EDITOR | SCREEN_FLAGS_TRACK_DESIGNER | SCREEN_FLAGS_TRACK_MANAGER;
if (gScreenFlags & editorScreenFlags)
{
return;
}
if (gScenarioTicks % 32 != 0)
{
return;
}
if ((gParkFlags & PARK_FLAGS_NO_MONEY) && gResearchFundingLevel == RESEARCH_FUNDING_NONE)
{
researchLevel = RESEARCH_FUNDING_NORMAL;
}
else
{
researchLevel = gResearchFundingLevel;
}
currentResearchProgress = gResearchProgress;
currentResearchProgress += _researchRate[researchLevel];
if (currentResearchProgress <= 0xFFFF)
{
gResearchProgress = currentResearchProgress;
}
else
{
switch (gResearchProgressStage)
{
case RESEARCH_STAGE_INITIAL_RESEARCH:
research_next_design();
research_calculate_expected_date();
break;
case RESEARCH_STAGE_DESIGNING:
gResearchProgress = 0;
gResearchProgressStage = RESEARCH_STAGE_COMPLETING_DESIGN;
research_calculate_expected_date();
research_invalidate_related_windows();
break;
case RESEARCH_STAGE_COMPLETING_DESIGN:
research_finish_item(&*gResearchNextItem);
gResearchProgress = 0;
gResearchProgressStage = RESEARCH_STAGE_INITIAL_RESEARCH;
research_calculate_expected_date();
research_update_uncompleted_types();
research_invalidate_related_windows();
break;
case RESEARCH_STAGE_FINISHED_ALL:
gResearchFundingLevel = RESEARCH_FUNDING_NONE;
break;
}
}
}
/**
*
* rct2: 0x00684AC3
*/
void research_reset_current_item()
{
set_every_ride_type_not_invented();
set_every_ride_entry_not_invented();
// The following two instructions together make all items not tied to a scenery group available.
set_all_scenery_items_invented();
set_all_scenery_groups_not_invented();
for (auto& researchItem : gResearchItemsInvented)
{
research_finish_item(&researchItem);
}
gResearchLastItem = std::nullopt;
gResearchProgressStage = RESEARCH_STAGE_INITIAL_RESEARCH;
gResearchProgress = 0;
}
/**
*
* rct2: 0x006857FA
*/
static void research_insert_unresearched(ResearchItem item)
{
gResearchItemsUninvented.push_back(item);
}
/**
*
* rct2: 0x00685826
*/
static void research_insert_researched(ResearchItem item)
{
// First check to make sure that entry is not already accounted for
if (item.Exists())
{
return;
}
gResearchItemsInvented.push_back(item);
}
/**
*
* rct2: 0x006857CF
*/
void research_remove(ResearchItem* researchItem)
{
for (auto it = gResearchItemsUninvented.begin(); it != gResearchItemsUninvented.end(); it++)
{
auto& researchItem2 = *it;
if (researchItem2.Equals(researchItem))
{
gResearchItemsUninvented.erase(it);
return;
}
}
for (auto it = gResearchItemsInvented.begin(); it != gResearchItemsInvented.end(); it++)
{
auto& researchItem2 = *it;
if (researchItem2.Equals(researchItem))
{
gResearchItemsInvented.erase(it);
return;
}
}
}
void research_insert(ResearchItem item, bool researched)
{
if (researched)
{
research_insert_researched(item);
}
else
{
research_insert_unresearched(item);
}
}
/**
*
* rct2: 0x00685675
*/
void research_populate_list_random()
{
research_reset_items();
// Rides
for (int32_t i = 0; i < MAX_RIDE_OBJECTS; i++)
{
rct_ride_entry* rideEntry = get_ride_entry(i);
if (rideEntry == nullptr)
{
continue;
}
int32_t researched = (scenario_rand() & 0xFF) > 128;
for (auto rideType : rideEntry->ride_type)
{
if (rideType != RIDE_TYPE_NULL)
{
uint8_t category = RideTypeDescriptors[rideType].Category;
research_insert_ride_entry(rideType, i, category, researched);
}
}
}
// Scenery
for (uint32_t i = 0; i < MAX_SCENERY_GROUP_OBJECTS; i++)
{
rct_scenery_group_entry* sceneryGroupEntry = get_scenery_group_entry(i);
if (sceneryGroupEntry == nullptr)
{
continue;
}
int32_t researched = (scenario_rand() & 0xFF) > 85;
research_insert_scenery_group_entry(i, researched);
}
}
bool research_insert_ride_entry(uint8_t rideType, ObjectEntryIndex entryIndex, uint8_t category, bool researched)
{
if (rideType != RIDE_TYPE_NULL && entryIndex != OBJECT_ENTRY_INDEX_NULL)
{
auto tmpItem = ResearchItem(RESEARCH_ENTRY_TYPE_RIDE, entryIndex, rideType, category, 0);
research_insert(tmpItem, researched);
return true;
}
return false;
}
void research_insert_ride_entry(ObjectEntryIndex entryIndex, bool researched)
{
rct_ride_entry* rideEntry = get_ride_entry(entryIndex);
for (auto rideType : rideEntry->ride_type)
{
if (rideType != RIDE_TYPE_NULL)
{
uint8_t category = RideTypeDescriptors[rideType].Category;
research_insert_ride_entry(rideType, entryIndex, category, researched);
}
}
}
bool research_insert_scenery_group_entry(ObjectEntryIndex entryIndex, bool researched)
{
if (entryIndex != OBJECT_ENTRY_INDEX_NULL)
{
auto tmpItem = ResearchItem(
RESEARCH_ENTRY_TYPE_SCENERY, entryIndex, RIDE_TYPE_NULL, RESEARCH_CATEGORY_SCENERY_GROUP, 0);
research_insert(tmpItem, researched);
return true;
}
return false;
}
bool ride_type_is_invented(uint32_t rideType)
{
Guard::Assert(rideType < std::size(_researchedRideTypes), GUARD_LINE);
return _researchedRideTypes[rideType];
}
bool ride_entry_is_invented(int32_t rideEntryIndex)
{
return _researchedRideEntries[rideEntryIndex];
}
void ride_type_set_invented(uint32_t rideType)
{
Guard::Assert(rideType < std::size(_researchedRideTypes), GUARD_LINE);
_researchedRideTypes[rideType] = true;
}
void ride_entry_set_invented(int32_t rideEntryIndex)
{
_researchedRideEntries[rideEntryIndex] = true;
}
bool scenery_is_invented(const ScenerySelection& sceneryItem)
{
if (sceneryItem.SceneryType < SCENERY_TYPE_COUNT)
{
return _researchedSceneryItems[sceneryItem.SceneryType][sceneryItem.EntryIndex];
}
else
{
log_warning("Invalid Scenery Type");
return false;
}
}
void scenery_set_invented(const ScenerySelection& sceneryItem)
{
if (sceneryItem.SceneryType < SCENERY_TYPE_COUNT)
{
_researchedSceneryItems[sceneryItem.SceneryType][sceneryItem.EntryIndex] = true;
}
else
{
log_warning("Invalid Scenery Type");
}
}
void scenery_set_not_invented(const ScenerySelection& sceneryItem)
{
if (sceneryItem.SceneryType < SCENERY_TYPE_COUNT)
{
_researchedSceneryItems[sceneryItem.SceneryType][sceneryItem.EntryIndex] = false;
}
else
{
log_warning("Invalid Scenery Type");
}
}
bool scenery_group_is_invented(int32_t sgIndex)
{
auto invented = false;
const auto sgEntry = get_scenery_group_entry(sgIndex);
if (sgEntry != nullptr && sgEntry->entry_count > 0)
{
if (gCheatsIgnoreResearchStatus)
{
invented = true;
}
else
{
for (auto i = 0; i < sgEntry->entry_count; i++)
{
auto sceneryEntry = sgEntry->scenery_entries[i];
if (scenery_is_invented(sceneryEntry))
{
invented = true;
break;
}
}
}
}
return invented;
}
void scenery_group_set_invented(int32_t sgIndex)
{
const auto sgEntry = get_scenery_group_entry(sgIndex);
if (sgEntry != nullptr && sgEntry->entry_count > 0)
{
for (auto i = 0; i < sgEntry->entry_count; i++)
{
auto sceneryEntryIndex = sgEntry->scenery_entries[i];
scenery_set_invented(sceneryEntryIndex);
}
}
}
void set_all_scenery_groups_not_invented()
{
for (int32_t i = 0; i < MAX_SCENERY_GROUP_OBJECTS; ++i)
{
rct_scenery_group_entry* scenery_set = get_scenery_group_entry(i);
if (scenery_set == nullptr)
{
continue;
}
for (int32_t j = 0; j < scenery_set->entry_count; ++j)
{
scenery_set_not_invented(scenery_set->scenery_entries[j]);
}
}
}
void set_all_scenery_items_invented()
{
for (auto sceneryType = 0; sceneryType < SCENERY_TYPE_COUNT; sceneryType++)
{
std::fill(std::begin(_researchedSceneryItems[sceneryType]), std::end(_researchedSceneryItems[sceneryType]), true);
}
}
void set_all_scenery_items_not_invented()
{
for (auto sceneryType = 0; sceneryType < SCENERY_TYPE_COUNT; sceneryType++)
{
std::fill(std::begin(_researchedSceneryItems[sceneryType]), std::end(_researchedSceneryItems[sceneryType]), true);
}
}
void set_every_ride_type_invented()
{
std::fill(std::begin(_researchedRideTypes), std::end(_researchedRideTypes), true);
}
void set_every_ride_type_not_invented()
{
std::fill(std::begin(_researchedRideTypes), std::end(_researchedRideTypes), false);
}
void set_every_ride_entry_invented()
{
std::fill(std::begin(_researchedRideEntries), std::end(_researchedRideEntries), true);
}
void set_every_ride_entry_not_invented()
{
std::fill(std::begin(_researchedRideEntries), std::end(_researchedRideEntries), false);
}
/**
*
* rct2: 0x0068563D
*/
rct_string_id ResearchItem::GetName() const
{
if (type == RESEARCH_ENTRY_TYPE_RIDE)
{
rct_ride_entry* rideEntry = get_ride_entry(entryIndex);
if (rideEntry == nullptr)
{
return STR_EMPTY;
}
else
{
return rideEntry->naming.name;
}
}
else
{
rct_scenery_group_entry* sceneryEntry = get_scenery_group_entry(entryIndex);
if (sceneryEntry == nullptr)
{
return STR_EMPTY;
}
else
{
return sceneryEntry->name;
}
}
}
/**
*
* rct2: 0x00685A79
* Do not use the research list outside of the inventions list window with the flags
* Clears flags like "always researched".
*/
void research_remove_flags()
{
for (auto& researchItem : gResearchItemsUninvented)
{
researchItem.flags = 0;
}
for (auto& researchItem : gResearchItemsInvented)
{
researchItem.flags = 0;
}
}
void research_fix()
{
// Fix invalid research items
for (auto it = gResearchItemsInvented.begin(); it != gResearchItemsInvented.end();)
{
auto& researchItem = *it;
if (researchItem.type == RESEARCH_ENTRY_TYPE_RIDE)
{
rct_ride_entry* rideEntry = get_ride_entry(researchItem.entryIndex);
if (rideEntry == nullptr)
{
it = gResearchItemsInvented.erase(it);
}
else
{
it++;
}
}
else
{
rct_scenery_group_entry* sceneryGroupEntry = get_scenery_group_entry(researchItem.entryIndex);
if (sceneryGroupEntry == nullptr)
{
it = gResearchItemsInvented.erase(it);
}
else
{
it++;
}
}
}
for (auto it = gResearchItemsUninvented.begin(); it != gResearchItemsUninvented.end();)
{
auto& researchItem = *it;
if (researchItem.type == RESEARCH_ENTRY_TYPE_RIDE)
{
rct_ride_entry* rideEntry = get_ride_entry(researchItem.entryIndex);
if (rideEntry == nullptr)
{
it = gResearchItemsUninvented.erase(it);
}
else
{
it++;
}
}
else
{
rct_scenery_group_entry* sceneryGroupEntry = get_scenery_group_entry(researchItem.entryIndex);
if (sceneryGroupEntry == nullptr)
{
it = gResearchItemsUninvented.erase(it);
}
else
{
it++;
}
}
}
research_update_uncompleted_types();
if (gResearchUncompletedCategories == 0)
gResearchProgressStage = RESEARCH_STAGE_FINISHED_ALL;
// Sometimes ride entries are not in the research table.
// If all research is done, simply insert all of them as researched.
// For good measure, also include scenery groups.
if (gResearchProgressStage == RESEARCH_STAGE_FINISHED_ALL)
{
for (ObjectEntryIndex i = 0; i < MAX_RIDE_OBJECTS; i++)
{
const rct_ride_entry* rideEntry = get_ride_entry(i);
if (rideEntry != nullptr)
{
research_insert_ride_entry(i, true);
ride_entry_set_invented(i);
for (uint8_t j = 0; j < MAX_RIDE_TYPES_PER_RIDE_ENTRY; j++)
{
uint32_t rideType = rideEntry->ride_type[j];
if (rideType != RIDE_TYPE_NULL)
{
ride_type_set_invented(rideEntry->ride_type[j]);
}
}
}
}
for (uint8_t i = 0; i < MAX_SCENERY_GROUP_OBJECTS; i++)
{
const rct_scenery_group_entry* groupEntry = get_scenery_group_entry(i);
if (groupEntry != nullptr)
research_insert_scenery_group_entry(i, true);
}
}
}
void research_items_make_all_unresearched()
{
gResearchItemsUninvented.insert(
gResearchItemsUninvented.end(), std::make_move_iterator(gResearchItemsInvented.begin()),
std::make_move_iterator(gResearchItemsInvented.end()));
gResearchItemsInvented.clear();
}
void research_items_make_all_researched()
{
gResearchItemsInvented.insert(
gResearchItemsInvented.end(), std::make_move_iterator(gResearchItemsUninvented.begin()),
std::make_move_iterator(gResearchItemsUninvented.end()));
gResearchItemsUninvented.clear();
}
/**
*
* rct2: 0x00685A93
*/
void research_items_shuffle()
{
std::shuffle(std::begin(gResearchItemsUninvented), std::end(gResearchItemsUninvented), std::default_random_engine{});
}
bool ResearchItem::IsAlwaysResearched() const
{
return (flags & (RESEARCH_ENTRY_FLAG_RIDE_ALWAYS_RESEARCHED | RESEARCH_ENTRY_FLAG_SCENERY_SET_ALWAYS_RESEARCHED)) != 0;
}
bool ResearchItem::IsNull() const
{
return entryIndex == OBJECT_ENTRY_INDEX_NULL;
}
void ResearchItem::SetNull()
{
entryIndex = OBJECT_ENTRY_INDEX_NULL;
}
bool ResearchItem::Equals(const ResearchItem* otherItem) const
{
return (entryIndex == otherItem->entryIndex && baseRideType == otherItem->baseRideType && type == otherItem->type);
}
bool ResearchItem::Exists() const
{
for (auto const& researchItem : gResearchItemsUninvented)
{
if (researchItem.Equals(this))
{
return true;
}
}
for (auto const& researchItem : gResearchItemsInvented)
{
if (researchItem.Equals(this))
{
return true;
}
}
return false;
}