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TrackDesign.cpp
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TrackDesign.cpp
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/*****************************************************************************
* Copyright (c) 2014-2020 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 "TrackDesign.h"
#include "../Cheats.h"
#include "../Context.h"
#include "../Game.h"
#include "../OpenRCT2.h"
#include "../TrackImporter.h"
#include "../actions/FootpathPlaceFromTrackAction.h"
#include "../actions/FootpathRemoveAction.h"
#include "../actions/LargeSceneryPlaceAction.h"
#include "../actions/LargeSceneryRemoveAction.h"
#include "../actions/MazePlaceTrackAction.h"
#include "../actions/RideCreateAction.h"
#include "../actions/RideEntranceExitPlaceAction.h"
#include "../actions/SmallSceneryPlaceAction.h"
#include "../actions/SmallSceneryRemoveAction.h"
#include "../actions/TrackPlaceAction.h"
#include "../actions/TrackRemoveAction.h"
#include "../actions/WallPlaceAction.h"
#include "../actions/WallRemoveAction.h"
#include "../audio/audio.h"
#include "../core/DataSerialiser.h"
#include "../core/File.h"
#include "../core/Numerics.hpp"
#include "../core/String.hpp"
#include "../drawing/X8DrawingEngine.h"
#include "../localisation/Localisation.h"
#include "../localisation/StringIds.h"
#include "../management/Finance.h"
#include "../network/network.h"
#include "../object/FootpathObject.h"
#include "../object/FootpathSurfaceObject.h"
#include "../object/ObjectList.h"
#include "../object/ObjectManager.h"
#include "../object/ObjectRepository.h"
#include "../rct1/RCT1.h"
#include "../rct1/Tables.h"
#include "../ride/RideConstruction.h"
#include "../util/SawyerCoding.h"
#include "../util/Util.h"
#include "../world/Footpath.h"
#include "../world/Park.h"
#include "../world/Scenery.h"
#include "../world/SmallScenery.h"
#include "../world/Surface.h"
#include "../world/Wall.h"
#include "Ride.h"
#include "RideData.h"
#include "Track.h"
#include "TrackData.h"
#include "TrackDesign.h"
#include "TrackDesignRepository.h"
#include "Vehicle.h"
#include <algorithm>
#include <iterator>
#include <memory>
using namespace OpenRCT2;
using namespace OpenRCT2::Drawing;
using namespace OpenRCT2::TrackMetaData;
constexpr TileCoordsXY TRACK_DESIGN_PREVIEW_MAP_SIZE = TileCoordsXY{ 256, 256 };
bool gTrackDesignSceneryToggle;
bool _trackDesignDrawingPreview;
bool _trackDesignPlaceStateSceneryUnavailable = false;
static bool _trackDesignPlaceStateEntranceExitPlaced{};
static void TrackDesignPreviewClearMap();
rct_string_id TrackDesign::CreateTrackDesign(TrackDesignState& tds, const Ride& ride)
{
type = ride.type;
auto object = object_entry_get_object(ObjectType::Ride, ride.subtype);
if (object != nullptr)
{
auto entry = object->GetObjectEntry();
if (entry.IsEmpty())
{
// TODO create a new error message for `JSON objects are unsupported`
return STR_UNKNOWN_OBJECT_TYPE;
}
vehicle_object = ObjectEntryDescriptor(entry);
}
ride_mode = ride.mode;
colour_scheme = ride.colour_scheme_type & 3;
for (int32_t i = 0; i < RCT2::Limits::MaxTrainsPerRide; i++)
{
vehicle_colours[i].body_colour = ride.vehicle_colours[i].Body;
vehicle_colours[i].trim_colour = ride.vehicle_colours[i].Trim;
vehicle_additional_colour[i] = ride.vehicle_colours[i].Ternary;
}
for (int32_t i = 0; i < RCT12::Limits::NumColourSchemes; i++)
{
track_spine_colour[i] = ride.track_colour[i].main;
track_rail_colour[i] = ride.track_colour[i].additional;
track_support_colour[i] = ride.track_colour[i].supports;
}
depart_flags = ride.depart_flags;
number_of_trains = ride.num_vehicles;
number_of_cars_per_train = ride.num_cars_per_train;
min_waiting_time = ride.min_waiting_time;
max_waiting_time = ride.max_waiting_time;
operation_setting = ride.operation_option;
lift_hill_speed = ride.lift_hill_speed;
num_circuits = ride.num_circuits;
entrance_style = ride.entrance_style;
max_speed = static_cast<int8_t>(ride.max_speed / 65536);
average_speed = static_cast<int8_t>(ride.average_speed / 65536);
ride_length = ride.GetTotalLength() / 65536;
max_positive_vertical_g = ride.max_positive_vertical_g / 32;
max_negative_vertical_g = ride.max_negative_vertical_g / 32;
max_lateral_g = ride.max_lateral_g / 32;
inversions = ride.holes & 0x1F;
inversions = ride.inversions & 0x1F;
inversions |= (ride.sheltered_eighths << 5);
drops = ride.drops;
highest_drop_height = ride.highest_drop_height;
uint16_t totalAirTime = (ride.total_air_time * 123) / 1024;
if (totalAirTime > 255)
{
totalAirTime = 0;
}
total_air_time = static_cast<uint8_t>(totalAirTime);
excitement = ride.ratings.Excitement / 10;
intensity = ride.ratings.Intensity / 10;
nausea = ride.ratings.Nausea / 10;
upkeep_cost = ride.upkeep_cost;
flags = 0;
flags2 = 0;
if (type == RIDE_TYPE_MAZE)
{
return CreateTrackDesignMaze(tds, ride);
}
return CreateTrackDesignTrack(tds, ride);
}
rct_string_id TrackDesign::CreateTrackDesignTrack(TrackDesignState& tds, const Ride& ride)
{
CoordsXYE trackElement;
if (!ride_try_get_origin_element(&ride, &trackElement))
{
return STR_TRACK_TOO_LARGE_OR_TOO_MUCH_SCENERY;
}
ride_get_start_of_track(&trackElement);
int32_t z = trackElement.element->GetBaseZ();
auto trackType = trackElement.element->AsTrack()->GetTrackType();
uint8_t direction = trackElement.element->GetDirection();
_saveDirection = direction;
auto newCoords = GetTrackElementOriginAndApplyChanges(
{ trackElement, z, direction }, trackType, 0, &trackElement.element, 0);
if (!newCoords.has_value())
{
return STR_TRACK_TOO_LARGE_OR_TOO_MUCH_SCENERY;
}
trackElement.x = newCoords->x;
trackElement.y = newCoords->y;
z = newCoords->z;
const auto& ted = GetTrackElementDescriptor(trackElement.element->AsTrack()->GetTrackType());
const rct_track_coordinates* trackCoordinates = &ted.Coordinates;
const auto* trackBlock = ted.Block;
// Used in the following loop to know when we have
// completed all of the elements and are back at the
// start.
TileElement* initialMap = trackElement.element;
CoordsXYZ startPos = { trackElement.x, trackElement.y, z + trackCoordinates->z_begin - trackBlock->z };
tds.Origin = startPos;
do
{
TrackDesignTrackElement track{};
track.type = trackElement.element->AsTrack()->GetTrackType();
uint8_t trackFlags;
if (TrackTypeHasSpeedSetting(track.type))
{
trackFlags = trackElement.element->AsTrack()->GetBrakeBoosterSpeed() >> 1;
}
else
{
trackFlags = trackElement.element->AsTrack()->GetSeatRotation();
}
if (trackElement.element->AsTrack()->HasChain())
trackFlags |= RCT12_TRACK_ELEMENT_TYPE_FLAG_CHAIN_LIFT;
trackFlags |= trackElement.element->AsTrack()->GetColourScheme() << 4;
if (ride.GetRideTypeDescriptor().HasFlag(RIDE_TYPE_FLAG_HAS_ALTERNATIVE_TRACK_TYPE)
&& trackElement.element->AsTrack()->IsInverted())
{
trackFlags |= TD6_TRACK_ELEMENT_FLAG_INVERTED;
}
track.flags = trackFlags;
track_elements.push_back(track);
if (!track_block_get_next(&trackElement, &trackElement, nullptr, nullptr))
{
break;
}
z = trackElement.element->GetBaseZ();
direction = trackElement.element->GetDirection();
trackType = trackElement.element->AsTrack()->GetTrackType();
newCoords = GetTrackElementOriginAndApplyChanges(
{ trackElement, z, direction }, trackType, 0, &trackElement.element, 0);
if (!newCoords.has_value())
{
break;
}
trackElement.x = newCoords->x;
trackElement.y = newCoords->y;
if (track_elements.size() > RCT2::Limits::TD6MaxTrackElements)
{
return STR_TRACK_TOO_LARGE_OR_TOO_MUCH_SCENERY;
}
} while (trackElement.element != initialMap);
// First entrances, second exits
for (int32_t i = 0; i < 2; i++)
{
for (const auto& station : ride.GetStations())
{
z = station.GetBaseZ();
TileCoordsXYZD location;
if (i == 0)
{
location = station.Entrance;
}
else
{
location = station.Exit;
}
if (location.IsNull())
{
continue;
}
CoordsXY mapLocation = location.ToCoordsXY();
TileElement* tileElement = map_get_first_element_at(mapLocation);
if (tileElement == nullptr)
continue;
do
{
if (tileElement->GetType() != TileElementType::Entrance)
continue;
if (tileElement->GetBaseZ() == z)
break;
} while (!(tileElement++)->IsLastForTile());
// Add something that stops this from walking off the end
Direction entranceDirection = tileElement->GetDirection();
entranceDirection -= _saveDirection;
entranceDirection &= TILE_ELEMENT_DIRECTION_MASK;
TrackDesignEntranceElement entrance{};
entrance.direction = entranceDirection;
mapLocation -= tds.Origin;
// Rotate entrance coordinates backwards to the correct direction
auto rotatedMapLocation = mapLocation.Rotate(0 - _saveDirection);
entrance.x = rotatedMapLocation.x;
entrance.y = rotatedMapLocation.y;
z -= tds.Origin.z;
z /= 8;
if (z > 127 || z < -126)
{
return STR_TRACK_TOO_LARGE_OR_TOO_MUCH_SCENERY;
}
entrance.z = z;
// If this is the exit version
if (i == 1)
{
entrance.isExit = true;
}
entrance_elements.push_back(entrance);
}
}
TrackDesignPreviewDrawOutlines(tds, this, GetOrAllocateRide(PreviewRideId), { 4096, 4096, 0 });
// Resave global vars for scenery reasons.
tds.Origin = startPos;
gMapSelectFlags &= ~MAP_SELECT_FLAG_ENABLE_CONSTRUCT;
gMapSelectFlags &= ~MAP_SELECT_FLAG_ENABLE_ARROW;
gMapSelectFlags &= ~MAP_SELECT_FLAG_GREEN;
space_required_x = ((tds.PreviewMax.x - tds.PreviewMin.x) / 32) + 1;
space_required_y = ((tds.PreviewMax.y - tds.PreviewMin.y) / 32) + 1;
return STR_NONE;
}
rct_string_id TrackDesign::CreateTrackDesignMaze(TrackDesignState& tds, const Ride& ride)
{
auto startLoc = MazeGetFirstElement(ride);
if (startLoc.element == nullptr)
{
return STR_TRACK_TOO_LARGE_OR_TOO_MUCH_SCENERY;
}
tds.Origin = { startLoc.x, startLoc.y, startLoc.element->GetBaseZ() };
// x is defined here as we can start the search
// on tile start_x, start_y but then the next row
// must restart on 0
for (int32_t y = startLoc.y, x = startLoc.x; y < MAXIMUM_MAP_SIZE_BIG; y += COORDS_XY_STEP)
{
for (; x < MAXIMUM_MAP_SIZE_BIG; x += COORDS_XY_STEP)
{
auto tileElement = map_get_first_element_at(CoordsXY{ x, y });
do
{
if (tileElement == nullptr)
break;
if (tileElement->GetType() != TileElementType::Track)
continue;
if (tileElement->AsTrack()->GetRideIndex() != ride.id)
continue;
TrackDesignMazeElement maze{};
maze.maze_entry = tileElement->AsTrack()->GetMazeEntry();
maze.x = (x - startLoc.x) / COORDS_XY_STEP;
maze.y = (y - startLoc.y) / COORDS_XY_STEP;
_saveDirection = tileElement->GetDirection();
maze_elements.push_back(maze);
if (maze_elements.size() >= 2000)
{
return STR_TRACK_TOO_LARGE_OR_TOO_MUCH_SCENERY;
}
} while (!(tileElement++)->IsLastForTile());
}
x = 0;
}
auto location = ride.GetStation().Entrance;
if (location.IsNull())
{
return STR_TRACK_TOO_LARGE_OR_TOO_MUCH_SCENERY;
}
CoordsXY entranceLoc = location.ToCoordsXY();
auto tileElement = map_get_first_element_at(entranceLoc);
do
{
if (tileElement == nullptr)
return STR_TRACK_TOO_LARGE_OR_TOO_MUCH_SCENERY;
if (tileElement->GetType() != TileElementType::Entrance)
continue;
if (tileElement->AsEntrance()->GetEntranceType() != ENTRANCE_TYPE_RIDE_ENTRANCE)
continue;
if (tileElement->AsEntrance()->GetRideIndex() == ride.id)
break;
} while (!(tileElement++)->IsLastForTile());
// Add something that stops this from walking off the end
uint8_t entranceDirection = tileElement->GetDirection();
TrackDesignMazeElement mazeEntrance{};
mazeEntrance.direction = entranceDirection;
mazeEntrance.type = 8;
mazeEntrance.x = static_cast<int8_t>((entranceLoc.x - startLoc.x) / 32);
mazeEntrance.y = static_cast<int8_t>((entranceLoc.y - startLoc.y) / 32);
maze_elements.push_back(mazeEntrance);
location = ride.GetStation().Exit;
if (location.IsNull())
{
return STR_TRACK_TOO_LARGE_OR_TOO_MUCH_SCENERY;
}
CoordsXY exitLoc = location.ToCoordsXY();
tileElement = map_get_first_element_at(exitLoc);
if (tileElement == nullptr)
return STR_TRACK_TOO_LARGE_OR_TOO_MUCH_SCENERY;
do
{
if (tileElement->GetType() != TileElementType::Entrance)
continue;
if (tileElement->AsEntrance()->GetEntranceType() != ENTRANCE_TYPE_RIDE_EXIT)
continue;
if (tileElement->AsEntrance()->GetRideIndex() == ride.id)
break;
} while (!(tileElement++)->IsLastForTile());
// Add something that stops this from walking off the end
uint8_t exit_direction = tileElement->GetDirection();
TrackDesignMazeElement mazeExit{};
mazeExit.direction = exit_direction;
mazeExit.type = 0x80;
mazeExit.x = static_cast<int8_t>((exitLoc.x - startLoc.x) / 32);
mazeExit.y = static_cast<int8_t>((exitLoc.y - startLoc.y) / 32);
maze_elements.push_back(mazeExit);
// Save global vars as they are still used by scenery????
int32_t startZ = tds.Origin.z;
TrackDesignPreviewDrawOutlines(tds, this, GetOrAllocateRide(PreviewRideId), { 4096, 4096, 0 });
tds.Origin = { startLoc.x, startLoc.y, startZ };
gMapSelectFlags &= ~MAP_SELECT_FLAG_ENABLE_CONSTRUCT;
gMapSelectFlags &= ~MAP_SELECT_FLAG_ENABLE_ARROW;
gMapSelectFlags &= ~MAP_SELECT_FLAG_GREEN;
space_required_x = ((tds.PreviewMax.x - tds.PreviewMin.x) / 32) + 1;
space_required_y = ((tds.PreviewMax.y - tds.PreviewMin.y) / 32) + 1;
return STR_NONE;
}
CoordsXYE TrackDesign::MazeGetFirstElement(const Ride& ride)
{
CoordsXYE tile{};
for (tile.y = 0; tile.y < MAXIMUM_MAP_SIZE_BIG; tile.y += COORDS_XY_STEP)
{
for (tile.x = 0; tile.x < MAXIMUM_MAP_SIZE_BIG; tile.x += COORDS_XY_STEP)
{
tile.element = map_get_first_element_at(CoordsXY{ tile.x, tile.y });
do
{
if (tile.element == nullptr)
break;
if (tile.element->GetType() != TileElementType::Track)
continue;
if (tile.element->AsTrack()->GetRideIndex() == ride.id)
{
return tile;
}
} while (!(tile.element++)->IsLastForTile());
}
}
tile.element = nullptr;
return tile;
}
rct_string_id TrackDesign::CreateTrackDesignScenery(TrackDesignState& tds)
{
scenery_elements = _trackSavedTileElementsDesc;
// Run an element loop
for (auto& scenery : scenery_elements)
{
switch (scenery.scenery_object.GetType())
{
case ObjectType::Paths:
{
uint8_t slope = (scenery.flags & 0x60) >> 5;
slope -= _saveDirection;
scenery.flags &= 0x9F;
scenery.flags |= ((slope & 3) << 5);
// Direction of connection on path
uint8_t direction = scenery.flags & 0xF;
// Rotate the direction by the track direction
direction = ((direction << 4) >> _saveDirection);
scenery.flags &= 0xF0;
scenery.flags |= (direction & 0xF) | (direction >> 4);
break;
}
case ObjectType::Walls:
{
uint8_t direction = scenery.flags & 3;
direction -= _saveDirection;
scenery.flags &= 0xFC;
scenery.flags |= (direction & 3);
break;
}
default:
{
uint8_t direction = scenery.flags & 3;
uint8_t quadrant = (scenery.flags & 0x0C) >> 2;
direction -= _saveDirection;
quadrant -= _saveDirection;
scenery.flags &= 0xF0;
scenery.flags |= (direction & 3) | ((quadrant & 3) << 2);
break;
}
}
const auto relativeMapPosition = scenery.loc - tds.Origin;
const CoordsXY rotatedRelativeMapPos = relativeMapPosition.Rotate(0 - _saveDirection);
if (rotatedRelativeMapPos.x > 127 * COORDS_XY_STEP || rotatedRelativeMapPos.y > 127 * COORDS_XY_STEP
|| rotatedRelativeMapPos.x < -126 * COORDS_XY_STEP || rotatedRelativeMapPos.y < -126 * COORDS_XY_STEP)
{
return STR_TRACK_TOO_LARGE_OR_TOO_MUCH_SCENERY;
}
if (relativeMapPosition.z > 127 * COORDS_Z_STEP || relativeMapPosition.z < -126 * COORDS_Z_STEP)
{
return STR_TRACK_TOO_LARGE_OR_TOO_MUCH_SCENERY;
}
scenery.loc = CoordsXYZ(rotatedRelativeMapPos, relativeMapPosition.z);
}
return STR_NONE;
}
void TrackDesign::Serialise(DataSerialiser& stream)
{
if (stream.IsLogging())
{
stream << DS_TAG(name);
// There is too much information logged.
// See sub actions for this information if required.
return;
}
stream << DS_TAG(type);
stream << DS_TAG(vehicle_type);
stream << DS_TAG(cost);
stream << DS_TAG(flags);
stream << DS_TAG(ride_mode);
stream << DS_TAG(track_flags);
stream << DS_TAG(colour_scheme);
stream << DS_TAG(vehicle_colours);
stream << DS_TAG(entrance_style);
stream << DS_TAG(total_air_time);
stream << DS_TAG(depart_flags);
stream << DS_TAG(number_of_trains);
stream << DS_TAG(number_of_cars_per_train);
stream << DS_TAG(min_waiting_time);
stream << DS_TAG(max_waiting_time);
stream << DS_TAG(operation_setting);
stream << DS_TAG(max_speed);
stream << DS_TAG(average_speed);
stream << DS_TAG(ride_length);
stream << DS_TAG(max_positive_vertical_g);
stream << DS_TAG(max_negative_vertical_g);
stream << DS_TAG(max_lateral_g);
stream << DS_TAG(inversions);
stream << DS_TAG(holes);
stream << DS_TAG(drops);
stream << DS_TAG(highest_drop_height);
stream << DS_TAG(excitement);
stream << DS_TAG(intensity);
stream << DS_TAG(nausea);
stream << DS_TAG(upkeep_cost);
stream << DS_TAG(track_spine_colour);
stream << DS_TAG(track_rail_colour);
stream << DS_TAG(track_support_colour);
stream << DS_TAG(flags2);
stream << DS_TAG(vehicle_object);
stream << DS_TAG(space_required_x);
stream << DS_TAG(space_required_y);
stream << DS_TAG(vehicle_additional_colour);
stream << DS_TAG(lift_hill_speed);
stream << DS_TAG(num_circuits);
stream << DS_TAG(maze_elements);
stream << DS_TAG(track_elements);
stream << DS_TAG(entrance_elements);
stream << DS_TAG(scenery_elements);
stream << DS_TAG(name);
}
std::unique_ptr<TrackDesign> TrackDesignImport(const utf8* path)
{
try
{
auto trackImporter = TrackImporter::Create(path);
trackImporter->Load(path);
return trackImporter->Import();
}
catch (const std::exception& e)
{
log_error("Unable to load track design: %s", e.what());
}
log_verbose("track_design_open(\"%s\")", path);
return nullptr;
}
/**
*
* rct2: 0x006ABDB0
*/
static void TrackDesignLoadSceneryObjects(TrackDesign* td6)
{
auto& objectManager = OpenRCT2::GetContext()->GetObjectManager();
objectManager.UnloadAll();
// Load ride object
if (td6->vehicle_object.HasValue())
{
objectManager.LoadObject(td6->vehicle_object);
}
// Load scenery objects
for (const auto& scenery : td6->scenery_elements)
{
if (scenery.scenery_object.HasValue())
{
objectManager.LoadObject(scenery.scenery_object);
}
}
}
struct TrackSceneryEntry
{
ObjectType Type = ObjectType::None;
ObjectEntryIndex Index = OBJECT_ENTRY_INDEX_NULL;
ObjectEntryIndex SecondaryIndex = OBJECT_ENTRY_INDEX_NULL; // For footpath railing
};
static ObjectEntryIndex TrackDesignGetDefaultSurfaceIndex(bool isQueue)
{
for (ObjectEntryIndex i = 0; i < MAX_FOOTPATH_SURFACE_OBJECTS; i++)
{
auto footpathSurfaceObj = GetPathSurfaceEntry(i);
if (footpathSurfaceObj != nullptr)
{
if (footpathSurfaceObj->Flags & FOOTPATH_ENTRY_FLAG_SHOW_ONLY_IN_SCENARIO_EDITOR)
{
continue;
}
if (isQueue != ((footpathSurfaceObj->Flags & FOOTPATH_ENTRY_FLAG_IS_QUEUE) != 0))
{
continue;
}
return i;
}
}
return OBJECT_ENTRY_INDEX_NULL;
}
static ObjectEntryIndex TrackDesignGetDefaultRailingIndex()
{
for (ObjectEntryIndex i = 0; i < MAX_FOOTPATH_RAILINGS_OBJECTS; i++)
{
auto footpathRailingsObj = GetPathRailingsEntry(i);
if (footpathRailingsObj != nullptr)
{
return i;
}
}
return OBJECT_ENTRY_INDEX_NULL;
}
static std::optional<TrackSceneryEntry> TrackDesignPlaceSceneryElementGetEntry(const TrackDesignSceneryElement& scenery)
{
TrackSceneryEntry result;
auto& objectMgr = OpenRCT2::GetContext()->GetObjectManager();
if (scenery.scenery_object.GetType() == ObjectType::Paths)
{
auto footpathMapping = RCT2::GetFootpathSurfaceId(scenery.scenery_object, true, scenery.IsQueue());
if (footpathMapping == nullptr)
{
// Check if legacy path object is loaded
auto obj = objectMgr.GetLoadedObject(scenery.scenery_object);
if (obj != nullptr)
{
result.Type = obj->GetObjectType();
result.Index = objectMgr.GetLoadedObjectEntryIndex(obj);
}
else
{
result.Type = ObjectType::FootpathSurface;
}
}
else
{
result.Type = ObjectType::FootpathSurface;
result.Index = objectMgr.GetLoadedObjectEntryIndex(
ObjectEntryDescriptor(scenery.IsQueue() ? footpathMapping->QueueSurface : footpathMapping->NormalSurface));
result.SecondaryIndex = objectMgr.GetLoadedObjectEntryIndex(ObjectEntryDescriptor(footpathMapping->Railing));
}
if (result.Index == OBJECT_ENTRY_INDEX_NULL)
result.Index = TrackDesignGetDefaultSurfaceIndex(scenery.IsQueue());
if (result.SecondaryIndex == OBJECT_ENTRY_INDEX_NULL)
result.SecondaryIndex = TrackDesignGetDefaultRailingIndex();
if (result.Index == OBJECT_ENTRY_INDEX_NULL || result.SecondaryIndex == OBJECT_ENTRY_INDEX_NULL)
{
_trackDesignPlaceStateSceneryUnavailable = true;
return {};
}
}
else
{
auto obj = objectMgr.GetLoadedObject(scenery.scenery_object);
if (obj != nullptr)
{
result.Type = obj->GetObjectType();
result.Index = objectMgr.GetLoadedObjectEntryIndex(obj);
}
else
{
_trackDesignPlaceStateSceneryUnavailable = true;
return {};
}
}
return result;
}
/**
*
* rct2: 0x006D247A
*/
static void TrackDesignMirrorScenery(TrackDesign* td6)
{
auto& objectMgr = OpenRCT2::GetContext()->GetObjectManager();
for (auto& scenery : td6->scenery_elements)
{
auto entryInfo = TrackDesignPlaceSceneryElementGetEntry(scenery);
if (!entryInfo)
continue;
auto obj = objectMgr.GetLoadedObject(entryInfo->Type, entryInfo->Index);
switch (obj->GetObjectType())
{
case ObjectType::LargeScenery:
{
auto* sceneryEntry = reinterpret_cast<const LargeSceneryEntry*>(obj->GetLegacyData());
int16_t x1 = 0, x2 = 0, y1 = 0, y2 = 0;
for (rct_large_scenery_tile* tile = sceneryEntry->tiles; tile->x_offset != -1; tile++)
{
if (x1 > tile->x_offset)
{
x1 = tile->x_offset;
}
if (x2 < tile->x_offset)
{
x2 = tile->x_offset;
}
if (y1 > tile->y_offset)
{
y1 = tile->y_offset;
}
if (y2 < tile->y_offset)
{
y2 = tile->y_offset;
}
}
switch (scenery.flags & 3)
{
case 0:
scenery.loc.y = -(scenery.loc.y + y1) - y2;
break;
case 1:
scenery.loc.x = scenery.loc.x + y2 + y1;
scenery.loc.y = -scenery.loc.y;
scenery.flags ^= (1 << 1);
break;
case 2:
scenery.loc.y = -(scenery.loc.y - y2) + y1;
break;
case 3:
scenery.loc.x = scenery.loc.x - y2 - y1;
scenery.loc.y = -scenery.loc.y;
scenery.flags ^= (1 << 1);
break;
}
break;
}
case ObjectType::SmallScenery:
{
auto* sceneryEntry = reinterpret_cast<const SmallSceneryEntry*>(obj->GetLegacyData());
scenery.loc.y = -scenery.loc.y;
if (sceneryEntry->HasFlag(SMALL_SCENERY_FLAG_DIAGONAL))
{
scenery.flags ^= (1 << 0);
if (!sceneryEntry->HasFlag(SMALL_SCENERY_FLAG_FULL_TILE))
{
scenery.flags ^= (1 << 2);
}
break;
}
if (scenery.flags & (1 << 0))
{
scenery.flags ^= (1 << 1);
}
scenery.flags ^= (1 << 2);
break;
}
case ObjectType::Walls:
{
scenery.loc.y = -scenery.loc.y;
if (scenery.flags & (1 << 0))
{
scenery.flags ^= (1 << 1);
}
break;
}
case ObjectType::Paths:
case ObjectType::FootpathSurface:
{
scenery.loc.y = -scenery.loc.y;
if (scenery.flags & (1 << 5))
{
scenery.flags ^= (1 << 6);
}
uint8_t flags = scenery.flags;
flags = ((flags & (1 << 3)) >> 2) | ((flags & (1 << 1)) << 2);
scenery.flags &= 0xF5;
scenery.flags |= flags;
break;
}
default:
break;
}
}
}
/**
*
* rct2: 0x006D2443
*/
static void TrackDesignMirrorRide(TrackDesign* td6)
{
for (auto& track : td6->track_elements)
{
const auto& ted = GetTrackElementDescriptor(track.type);
track.type = ted.MirrorElement;
}
for (auto& entrance : td6->entrance_elements)
{
entrance.y = -entrance.y;
if (entrance.direction & 1)
{
entrance.direction = direction_reverse(entrance.direction);
}
}
}
/** rct2: 0x00993EDC */
static constexpr const uint8_t maze_segment_mirror_map[] = {
5, 4, 2, 7, 1, 0, 14, 3, 13, 12, 10, 15, 9, 8, 6, 11,
};
/**
*
* rct2: 0x006D25FA
*/
static void TrackDesignMirrorMaze(TrackDesign* td6)
{
for (auto& maze : td6->maze_elements)
{
maze.y = -maze.y;
if (maze.type == 0x8 || maze.type == 0x80)
{
if (maze.direction & 1)
{
maze.direction = direction_reverse(maze.direction);
}
continue;
}
uint16_t maze_entry = maze.maze_entry;
uint16_t new_entry = 0;
for (uint8_t position = bitscanforward(maze_entry); position != 0xFF; position = bitscanforward(maze_entry))
{
maze_entry &= ~(1 << position);
new_entry |= (1 << maze_segment_mirror_map[position]);
}
maze.maze_entry = new_entry;
}
}
/**
*
* rct2: 0x006D2436
*/
void TrackDesignMirror(TrackDesign* td6)
{
if (td6->type == RIDE_TYPE_MAZE)
{
TrackDesignMirrorMaze(td6);
}
else
{
TrackDesignMirrorRide(td6);
}
TrackDesignMirrorScenery(td6);
}
static void TrackDesignAddSelectedTile(const CoordsXY& coords)
{
auto tileIterator = std::find(gMapSelectionTiles.begin(), gMapSelectionTiles.end(), coords);
if (tileIterator == gMapSelectionTiles.end())
{
gMapSelectionTiles.push_back(coords);
}
}
static void TrackDesignUpdatePreviewBounds(TrackDesignState& tds, const CoordsXYZ& coords)
{
tds.PreviewMin = { std::min(tds.PreviewMin.x, coords.x), std::min(tds.PreviewMin.y, coords.y),
std::min(tds.PreviewMin.z, coords.z) };
tds.PreviewMax = { std::max(tds.PreviewMax.x, coords.x), std::max(tds.PreviewMax.y, coords.y),
std::max(tds.PreviewMax.z, coords.z) };
}
static GameActions::Result TrackDesignPlaceSceneryElementRemoveGhost(
CoordsXY mapCoord, const TrackDesignSceneryElement& scenery, uint8_t rotation, int32_t originZ)
{
auto entryInfo = TrackDesignPlaceSceneryElementGetEntry(scenery);
if (!entryInfo)
{
return GameActions::Result();
}
if (_trackDesignPlaceStateSceneryUnavailable)
{
return GameActions::Result();
}
int32_t z = scenery.loc.z + originZ;
uint8_t sceneryRotation = (rotation + scenery.flags) & TILE_ELEMENT_DIRECTION_MASK;
const uint32_t flags = GAME_COMMAND_FLAG_APPLY | GAME_COMMAND_FLAG_ALLOW_DURING_PAUSED | GAME_COMMAND_FLAG_NO_SPEND
| GAME_COMMAND_FLAG_GHOST;
std::unique_ptr<GameAction> ga;
switch (entryInfo->Type)
{
case ObjectType::SmallScenery:
{
uint8_t quadrant = (scenery.flags >> 2) + _currentTrackPieceDirection;
quadrant &= 3;
auto* sceneryEntry = get_small_scenery_entry(entryInfo->Index);
if (!(!sceneryEntry->HasFlag(SMALL_SCENERY_FLAG_FULL_TILE) && sceneryEntry->HasFlag(SMALL_SCENERY_FLAG_DIAGONAL))
&& sceneryEntry->HasFlag(
SMALL_SCENERY_FLAG_DIAGONAL | SMALL_SCENERY_FLAG_HALF_SPACE | SMALL_SCENERY_FLAG_THREE_QUARTERS))
{
quadrant = 0;
}
ga = std::make_unique<SmallSceneryRemoveAction>(CoordsXYZ{ mapCoord.x, mapCoord.y, z }, quadrant, entryInfo->Index);
break;
}
case ObjectType::LargeScenery:
ga = std::make_unique<LargeSceneryRemoveAction>(CoordsXYZD{ mapCoord.x, mapCoord.y, z, sceneryRotation }, 0);
break;
case ObjectType::Walls:
ga = std::make_unique<WallRemoveAction>(CoordsXYZD{ mapCoord.x, mapCoord.y, z, sceneryRotation });
break;
case ObjectType::Paths:
case ObjectType::FootpathSurface:
ga = std::make_unique<FootpathRemoveAction>(CoordsXYZ{ mapCoord.x, mapCoord.y, z });
break;
default:
return GameActions::Result();
}
ga->SetFlags(flags);
return GameActions::ExecuteNested(ga.get());
}