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OpenRCT2/src/openrct2/actions/MazeSetTrackAction.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 "MazeSetTrackAction.h"
#include "../Cheats.h"
#include "../GameState.h"
#include "../core/MemoryStream.h"
#include "../interface/Window.h"
#include "../localisation/Localisation.h"
#include "../localisation/StringIds.h"
#include "../management/Finance.h"
#include "../ride/RideData.h"
#include "../ride/Track.h"
#include "../ride/TrackData.h"
#include "../ride/gentle/Maze.h"
#include "../world/ConstructionClearance.h"
#include "../world/Footpath.h"
#include "../world/Park.h"
using namespace OpenRCT2::TrackMetaData;
// clang-format off
/** rct2: 0x00993CE9 */
static constexpr uint8_t Byte993CE9[] = {
0xFF, 0xE0, 0xFF,
14, 0, 1, 2,
6, 2, 4, 5,
9, 10, 6, 8,
12, 13, 14, 10,
};
/** rct2: 0x00993CFC */
static constexpr uint8_t Byte993CFC[] = {
5, 12, 0xFF, 0xFF,
9, 0, 0xFF, 0xFF,
13, 4, 0xFF, 0xFF,
1, 8, 0xFF, 0xFF,
};
/** rct2: 0x00993D0C */
static constexpr uint8_t Byte993D0C[] = {
3, 0, 0xFF, 0xFF,
0, 1, 0xFF, 0xFF,
1, 2, 0xFF, 0xFF,
2, 3, 0xFF, 0xFF,
};
// clang-format on
MazeSetTrackAction::MazeSetTrackAction(const CoordsXYZD& location, bool initialPlacement, RideId rideIndex, uint8_t mode)
: _loc(location)
, _initialPlacement(initialPlacement)
, _rideIndex(rideIndex)
, _mode(mode)
{
}
void MazeSetTrackAction::AcceptParameters(GameActionParameterVisitor& visitor)
{
visitor.Visit(_loc);
visitor.Visit("ride", _rideIndex);
visitor.Visit("mode", _mode);
visitor.Visit("isInitialPlacement", _initialPlacement);
}
void MazeSetTrackAction::Serialise(DataSerialiser& stream)
{
GameAction::Serialise(stream);
stream << DS_TAG(_loc) << DS_TAG(_loc.direction) << DS_TAG(_initialPlacement) << DS_TAG(_rideIndex) << DS_TAG(_mode);
}
GameActions::Result MazeSetTrackAction::Query() const
{
auto res = GameActions::Result();
res.Position = _loc + CoordsXYZ{ 8, 8, 0 };
res.Expenditure = ExpenditureType::RideConstruction;
res.ErrorTitle = STR_RIDE_CONSTRUCTION_CANT_CONSTRUCT_THIS_HERE;
if ((_loc.z & 0xF) != 0 && _mode == GC_SET_MAZE_TRACK_BUILD)
{
res.Error = GameActions::Status::Unknown;
res.ErrorMessage = STR_INVALID_HEIGHT;
return res;
}
if (!LocationValid(_loc))
{
res.Error = GameActions::Status::InvalidParameters;
res.ErrorMessage = STR_OFF_EDGE_OF_MAP;
return res;
}
if (!MapIsLocationOwned(_loc) && !OpenRCT2::GetGameState().Cheats.SandboxMode)
{
res.Error = GameActions::Status::NotOwned;
res.ErrorMessage = STR_LAND_NOT_OWNED_BY_PARK;
return res;
}
if (!MapCheckCapacityAndReorganise(_loc))
{
res.Error = GameActions::Status::NoFreeElements;
res.ErrorMessage = STR_TILE_ELEMENT_LIMIT_REACHED;
return res;
}
auto surfaceElement = MapGetSurfaceElementAt(_loc);
if (surfaceElement == nullptr)
{
res.Error = GameActions::Status::Unknown;
res.ErrorMessage = STR_INVALID_SELECTION_OF_OBJECTS;
return res;
}
auto baseHeight = _loc.z;
auto clearanceHeight = _loc.z + 32;
auto heightDifference = baseHeight - surfaceElement->GetBaseZ();
if (heightDifference >= 0 && !OpenRCT2::GetGameState().Cheats.DisableSupportLimits)
{
heightDifference /= COORDS_Z_PER_TINY_Z;
auto* ride = GetRide(_rideIndex);
const auto& rtd = ride->GetRideTypeDescriptor();
if (heightDifference > rtd.Heights.MaxHeight)
{
res.Error = GameActions::Status::TooHigh;
res.ErrorMessage = STR_TOO_HIGH_FOR_SUPPORTS;
return res;
}
}
TileElement* tileElement = MapGetTrackElementAtOfTypeFromRide(_loc, TrackElemType::Maze, _rideIndex);
if (tileElement == nullptr)
{
if (_mode != GC_SET_MAZE_TRACK_BUILD)
{
res.Error = GameActions::Status::Unknown;
res.ErrorMessage = STR_INVALID_SELECTION_OF_OBJECTS;
return res;
}
auto constructResult = MapCanConstructAt({ _loc.ToTileStart(), baseHeight, clearanceHeight }, { 0b1111, 0 });
if (constructResult.Error != GameActions::Status::Ok)
{
constructResult.ErrorTitle = STR_RIDE_CONSTRUCTION_CANT_CONSTRUCT_THIS_HERE;
return constructResult;
}
const auto clearanceData = constructResult.GetData<ConstructClearResult>();
if (clearanceData.GroundFlags & ELEMENT_IS_UNDERWATER)
{
res.Error = GameActions::Status::NoClearance;
res.ErrorMessage = STR_RIDE_CANT_BUILD_THIS_UNDERWATER;
return res;
}
if (clearanceData.GroundFlags & ELEMENT_IS_UNDERGROUND)
{
res.Error = GameActions::Status::NoClearance;
res.ErrorMessage = STR_CAN_ONLY_BUILD_THIS_ABOVE_GROUND;
return res;
}
auto ride = GetRide(_rideIndex);
if (ride == nullptr || ride->type == RIDE_CRASH_TYPE_NONE)
{
LOG_ERROR("Ride not found for rideIndex %u", _rideIndex);
res.Error = GameActions::Status::NoClearance;
res.ErrorMessage = STR_ERR_RIDE_NOT_FOUND;
return res;
}
res.Cost = MazeCalculateCost(constructResult.Cost, *ride, _loc);
return res;
}
return GameActions::Result();
}
GameActions::Result MazeSetTrackAction::Execute() const
{
auto res = GameActions::Result();
res.Position = _loc + CoordsXYZ{ 8, 8, 0 };
res.Expenditure = ExpenditureType::RideConstruction;
res.ErrorTitle = STR_RIDE_CONSTRUCTION_CANT_CONSTRUCT_THIS_HERE;
auto ride = GetRide(_rideIndex);
if (ride == nullptr)
{
LOG_ERROR("Ride not found for rideIndex %u", _rideIndex);
res.Error = GameActions::Status::InvalidParameters;
res.ErrorMessage = STR_ERR_RIDE_NOT_FOUND;
return res;
}
uint32_t flags = GetFlags();
if (!(flags & GAME_COMMAND_FLAG_GHOST))
{
FootpathRemoveLitter(_loc);
WallRemoveAt({ _loc.ToTileStart(), _loc.z, _loc.z + 32 });
}
auto tileElement = MapGetTrackElementAtOfTypeFromRide(_loc, TrackElemType::Maze, _rideIndex);
if (tileElement == nullptr)
{
res.Cost = MazeCalculateCost(0, *ride, _loc);
auto startLoc = _loc.ToTileStart();
auto* trackElement = TileElementInsert<TrackElement>(_loc, 0b1111);
Guard::Assert(trackElement != nullptr);
trackElement->SetClearanceZ(_loc.z + MAZE_CLEARANCE_HEIGHT);
trackElement->SetTrackType(TrackElemType::Maze);
trackElement->SetRideType(ride->type);
trackElement->SetRideIndex(_rideIndex);
trackElement->SetMazeEntry(0xFFFF);
trackElement->SetGhost(flags & GAME_COMMAND_FLAG_GHOST);
tileElement = trackElement->as<TileElement>();
MapInvalidateTileFull(startLoc);
ride->maze_tiles++;
ride->GetStation().SetBaseZ(tileElement->GetBaseZ());
ride->GetStation().Start = { 0, 0 };
if (_initialPlacement && !(flags & GAME_COMMAND_FLAG_GHOST))
{
ride->overall_view = startLoc;
}
}
switch (_mode)
{
case GC_SET_MAZE_TRACK_BUILD:
{
uint8_t segmentOffset = MazeGetSegmentBit(_loc);
tileElement->AsTrack()->MazeEntrySubtract(1 << segmentOffset);
if (!_initialPlacement)
{
segmentOffset = Byte993CE9[(_loc.direction + segmentOffset)];
tileElement->AsTrack()->MazeEntrySubtract(1 << segmentOffset);
uint8_t temp_edx = Byte993CFC[segmentOffset];
if (temp_edx != 0xFF)
{
auto previousElementLoc = CoordsXY{ _loc }.ToTileStart() - CoordsDirectionDelta[_loc.direction];
TileElement* previousTileElement = MapGetTrackElementAtOfTypeFromRide(
{ previousElementLoc, _loc.z }, TrackElemType::Maze, _rideIndex);
if (previousTileElement != nullptr)
{
previousTileElement->AsTrack()->MazeEntrySubtract(1 << temp_edx);
}
else
{
tileElement->AsTrack()->MazeEntryAdd(1 << segmentOffset);
}
}
}
break;
}
case GC_SET_MAZE_TRACK_MOVE:
break;
case GC_SET_MAZE_TRACK_FILL:
if (!_initialPlacement)
{
auto previousSegment = CoordsXY{ _loc.x - CoordsDirectionDelta[_loc.direction].x / 2,
_loc.y - CoordsDirectionDelta[_loc.direction].y / 2 };
tileElement = MapGetTrackElementAtOfTypeFromRide({ previousSegment, _loc.z }, TrackElemType::Maze, _rideIndex);
MapInvalidateTileFull(previousSegment.ToTileStart());
if (tileElement == nullptr)
{
LOG_ERROR("No surface found");
res.Error = GameActions::Status::Unknown;
res.ErrorMessage = STR_ERR_SURFACE_ELEMENT_NOT_FOUND;
return res;
}
uint32_t segmentBit = MazeGetSegmentBit(previousSegment);
tileElement->AsTrack()->MazeEntryAdd(1 << segmentBit);
segmentBit--;
tileElement->AsTrack()->MazeEntryAdd(1 << segmentBit);
segmentBit = (segmentBit - 4) & 0x0F;
tileElement->AsTrack()->MazeEntryAdd(1 << segmentBit);
segmentBit = (segmentBit + 3) & 0x0F;
do
{
tileElement->AsTrack()->MazeEntryAdd(1 << segmentBit);
uint32_t direction1 = Byte993D0C[segmentBit];
auto nextElementLoc = previousSegment.ToTileStart() + CoordsDirectionDelta[direction1];
TileElement* tmp_tileElement = MapGetTrackElementAtOfTypeFromRide(
{ nextElementLoc, _loc.z }, TrackElemType::Maze, _rideIndex);
if (tmp_tileElement != nullptr)
{
uint8_t edx11 = Byte993CFC[segmentBit];
tmp_tileElement->AsTrack()->MazeEntryAdd(1 << (edx11));
}
segmentBit--;
} while ((segmentBit & 0x3) != 0x3);
}
break;
}
MapInvalidateTile({ _loc.ToTileStart(), tileElement->GetBaseZ(), tileElement->GetClearanceZ() });
if ((tileElement->AsTrack()->GetMazeEntry() & 0x8888) == 0x8888)
{
TileElementRemove(tileElement);
ride->ValidateStations();
ride->maze_tiles--;
}
return res;
}
uint8_t MazeSetTrackAction::MazeGetSegmentBit(const CoordsXY& coords) const
{
uint8_t minorX = coords.x & 0x1F;
uint8_t minorY = coords.y & 0x1F;
if (minorX == 0 && minorY == 0)
{
return 3;
}
if (minorY == 16 && minorX == 16)
{
return 11;
}
if (minorY == 0)
{
return 15;
}
return 7;
}
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