OpenRCT2/src/openrct2/ride/TrackDesignSave.cpp

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/*****************************************************************************
* Copyright (c) 2014-2019 OpenRCT2 developers
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*
* For a complete list of all authors, please refer to contributors.md
* Interested in contributing? Visit https://github.com/OpenRCT2/OpenRCT2
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*
* OpenRCT2 is licensed under the GNU General Public License version 3.
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*****************************************************************************/
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#include "../Context.h"
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#include "../Game.h"
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#include "../audio/audio.h"
#include "../config/Config.h"
#include "../interface/Viewport.h"
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#include "../localisation/Localisation.h"
#include "../localisation/StringIds.h"
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#include "../object/ObjectList.h"
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#include "../util/SawyerCoding.h"
#include "../util/Util.h"
#include "../windows/Intent.h"
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#include "../world/Footpath.h"
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#include "../world/LargeScenery.h"
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#include "../world/Scenery.h"
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#include "../world/SmallScenery.h"
#include "../world/Wall.h"
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#include "RideData.h"
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#include "Station.h"
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#include "Track.h"
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#include "TrackData.h"
#include "TrackDesign.h"
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#include "TrackDesignRepository.h"
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#include <algorithm>
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#define TRACK_MAX_SAVED_TILE_ELEMENTS 1500
#define TRACK_NEARBY_SCENERY_DISTANCE 1
#define TRACK_TD6_MAX_ELEMENTS 8192
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bool gTrackDesignSaveMode = false;
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ride_id_t gTrackDesignSaveRideIndex = RIDE_ID_NULL;
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//
//static size_t _trackSavedTileElementsCount;
//static TileElement* _trackSavedTileElements[TRACK_MAX_SAVED_TILE_ELEMENTS];
//
//static size_t _trackSavedTileElementsDescCount;
//static rct_td6_scenery_element _trackSavedTileElementsDesc[TRACK_MAX_SAVED_TILE_ELEMENTS];
//
//static rct_track_td6* _trackDesign;
//static uint8_t _trackSaveDirection;
//static bool track_design_save_should_select_scenery_around(ride_id_t rideIndex, TileElement* tileElement);
//static void track_design_save_select_nearby_scenery_for_tile(ride_id_t rideIndex, int32_t cx, int32_t cy);
//static bool track_design_save_add_tile_element(int32_t interactionType, int32_t x, int32_t y, TileElement* tileElement);
//static void track_design_save_remove_tile_element(int32_t interactionType, int32_t x, int32_t y, TileElement* tileElement);
//static bool track_design_save_copy_scenery_to_td6(rct_track_td6* td6);
//static rct_track_td6* track_design_save_to_td6(ride_id_t rideIndex);
//static bool track_design_save_to_td6_for_maze(const Ride* ride, rct_track_td6* td6);
//static bool track_design_save_to_td6_for_tracked_ride(const Ride* ride, rct_track_td6* td6);
//
//void track_design_save_init()
//{
// _trackSavedTileElementsCount = 0;
// _trackSavedTileElementsDescCount = 0;
//
// std::memset(_trackSavedTileElements, 0, sizeof(_trackSavedTileElements));
// std::memset(_trackSavedTileElementsDesc, 0, sizeof(_trackSavedTileElementsDesc));
//}
//
///**
// *
// * rct2: 0x006D2B07
// */
//void track_design_save_select_tile_element(
// int32_t interactionType, int32_t x, int32_t y, TileElement* tileElement, bool collect)
//{
// if (track_design_save_contains_tile_element(tileElement))
// {
// if (!collect)
// {
// track_design_save_remove_tile_element(interactionType, x, y, tileElement);
// }
// }
// else
// {
// if (collect)
// {
// if (!track_design_save_add_tile_element(interactionType, x, y, tileElement))
// {
// context_show_error(
// STR_SAVE_TRACK_SCENERY_UNABLE_TO_SELECT_ADDITIONAL_ITEM_OF_SCENERY,
// STR_SAVE_TRACK_SCENERY_TOO_MANY_ITEMS_SELECTED);
// }
// }
// }
//}
//
///**
// *
// * rct2: 0x006D303D
// */
//void track_design_save_select_nearby_scenery(ride_id_t rideIndex)
//{
// TileElement* tileElement;
//
// for (int32_t y = 0; y < MAXIMUM_MAP_SIZE_TECHNICAL; y++)
// {
// for (int32_t x = 0; x < MAXIMUM_MAP_SIZE_TECHNICAL; x++)
// {
// tileElement = map_get_first_element_at(x, y);
// do
// {
// if (track_design_save_should_select_scenery_around(rideIndex, tileElement))
// {
// track_design_save_select_nearby_scenery_for_tile(rideIndex, x, y);
// break;
// }
// } while (!(tileElement++)->IsLastForTile());
// }
// }
// gfx_invalidate_screen();
//}
//
///**
// *
// * rct2: 0x006D3026
// */
//void track_design_save_reset_scenery()
//{
// track_design_save_init();
// gfx_invalidate_screen();
//}
//
//static void track_design_save_callback(int32_t result, [[maybe_unused]] const utf8* path)
//{
// free(_trackDesign->track_elements);
// free(_trackDesign->entrance_elements);
// free(_trackDesign->scenery_elements);
// free(_trackDesign);
//
// if (result == MODAL_RESULT_OK)
// {
// track_repository_scan();
// }
// gfx_invalidate_screen();
//}
//
///**
// *
// * rct2: 0x006D2804, 0x006D264D
// */
//bool track_design_save(ride_id_t rideIndex)
//{
// auto ride = get_ride(rideIndex);
// if (ride == nullptr || !(ride->lifecycle_flags & RIDE_LIFECYCLE_TESTED))
// {
// context_show_error(STR_CANT_SAVE_TRACK_DESIGN, gGameCommandErrorText);
// return false;
// }
//
// if (!ride_has_ratings(ride))
// {
// context_show_error(STR_CANT_SAVE_TRACK_DESIGN, gGameCommandErrorText);
// return false;
// }
//
// _trackDesign = track_design_save_to_td6(rideIndex);
// if (_trackDesign == nullptr)
// {
// context_show_error(STR_CANT_SAVE_TRACK_DESIGN, gGameCommandErrorText);
// return false;
// }
//
// if (gTrackDesignSaveMode)
// {
// if (!track_design_save_copy_scenery_to_td6(_trackDesign))
// {
// free(_trackDesign->track_elements);
// free(_trackDesign->entrance_elements);
// free(_trackDesign);
// return false;
// }
// }
//
// auto trackName = ride->GetName();
// auto intent = Intent(WC_LOADSAVE);
// intent.putExtra(INTENT_EXTRA_LOADSAVE_TYPE, LOADSAVETYPE_SAVE | LOADSAVETYPE_TRACK);
// intent.putExtra(INTENT_EXTRA_PATH, trackName);
// intent.putExtra(INTENT_EXTRA_CALLBACK, (void*)track_design_save_callback);
// context_open_intent(&intent);
//
// return true;
//}
//
//bool track_design_save_contains_tile_element(const TileElement* tileElement)
//{
// for (size_t i = 0; i < _trackSavedTileElementsCount; i++)
// {
// if (_trackSavedTileElements[i] == tileElement)
// {
// return true;
// }
// }
// return false;
//}
//
//static int32_t tile_element_get_total_element_count(TileElement* tileElement)
//{
// int32_t elementCount;
// rct_scenery_entry* sceneryEntry;
// rct_large_scenery_tile* tile;
//
// switch (tileElement->GetType())
// {
// case TILE_ELEMENT_TYPE_PATH:
// case TILE_ELEMENT_TYPE_SMALL_SCENERY:
// case TILE_ELEMENT_TYPE_WALL:
// return 1;
//
// case TILE_ELEMENT_TYPE_LARGE_SCENERY:
// sceneryEntry = tileElement->AsLargeScenery()->GetEntry();
// tile = sceneryEntry->large_scenery.tiles;
// elementCount = 0;
// do
// {
// tile++;
// elementCount++;
// } while (tile->x_offset != (int16_t)(uint16_t)0xFFFF);
// return elementCount;
//
// default:
// return 0;
// }
//}
//
///**
// *
// * rct2: 0x006D2ED2
// */
//static bool track_design_save_can_add_tile_element(TileElement* tileElement)
//{
// size_t newElementCount = tile_element_get_total_element_count(tileElement);
// if (newElementCount == 0)
// {
// return false;
// }
//
// // Get number of spare elements left
// size_t spareSavedElements = TRACK_MAX_SAVED_TILE_ELEMENTS - _trackSavedTileElementsCount;
// if (newElementCount > spareSavedElements)
// {
// // No more spare saved elements left
// return false;
// }
//
// return true;
//}
//
///**
// *
// * rct2: 0x006D2F4C
// */
//static void track_design_save_push_tile_element(int32_t x, int32_t y, TileElement* tileElement)
//{
// if (_trackSavedTileElementsCount < TRACK_MAX_SAVED_TILE_ELEMENTS)
// {
// _trackSavedTileElements[_trackSavedTileElementsCount++] = tileElement;
// map_invalidate_tile_full(x, y);
// }
//}
//
///**
// *
// * rct2: 0x006D2FA7
// */
//static void track_design_save_push_tile_element_desc(
// const rct_object_entry* entry, int32_t x, int32_t y, int32_t z, uint8_t flags, uint8_t primaryColour,
// uint8_t secondaryColour)
//{
// rct_td6_scenery_element* item = &_trackSavedTileElementsDesc[_trackSavedTileElementsDescCount++];
// item->scenery_object = *entry;
// item->x = x / 32;
// item->y = y / 32;
// item->z = z;
// item->flags = flags;
// item->primary_colour = primaryColour;
// item->secondary_colour = secondaryColour;
//}
//
//static void track_design_save_add_scenery(int32_t x, int32_t y, TileElement* tileElement)
//{
// SmallSceneryElement* sceneryElement = tileElement->AsSmallScenery();
// int32_t entryType = sceneryElement->GetEntryIndex();
// auto entry = object_entry_get_entry(OBJECT_TYPE_SMALL_SCENERY, entryType);
//
// uint8_t flags = 0;
// flags |= tileElement->GetDirection();
// flags |= tileElement->AsSmallScenery()->GetSceneryQuadrant() << 2;
//
// uint8_t primaryColour = sceneryElement->GetPrimaryColour();
// uint8_t secondaryColour = sceneryElement->GetSecondaryColour();
//
// track_design_save_push_tile_element(x, y, tileElement);
// track_design_save_push_tile_element_desc(entry, x, y, tileElement->base_height, flags, primaryColour, secondaryColour);
//}
//
//static void track_design_save_add_large_scenery(int32_t x, int32_t y, LargeSceneryElement* tileElement)
//{
// rct_large_scenery_tile *sceneryTiles, *tile;
// int32_t x0, y0, z0, z;
// int32_t direction, sequence;
//
// int32_t entryType = tileElement->GetEntryIndex();
// auto entry = object_entry_get_entry(OBJECT_TYPE_LARGE_SCENERY, entryType);
// sceneryTiles = get_large_scenery_entry(entryType)->large_scenery.tiles;
//
// z = tileElement->base_height;
// direction = tileElement->GetDirection();
// sequence = tileElement->GetSequenceIndex();
//
// if (!map_large_scenery_get_origin(x, y, z, direction, sequence, &x0, &y0, &z0, nullptr))
// {
// return;
// }
//
// // Iterate through each tile of the large scenery element
// sequence = 0;
// for (tile = sceneryTiles; tile->x_offset != -1; tile++, sequence++)
// {
// int16_t offsetX = tile->x_offset;
// int16_t offsetY = tile->y_offset;
// rotate_map_coordinates(&offsetX, &offsetY, direction);
//
// x = x0 + offsetX;
// y = y0 + offsetY;
// z = (z0 + tile->z_offset) / 8;
// auto largeElement = map_get_large_scenery_segment(x, y, z, direction, sequence);
// if (largeElement != nullptr)
// {
// if (sequence == 0)
// {
// uint8_t flags = largeElement->GetDirection();
// uint8_t primaryColour = largeElement->GetPrimaryColour();
// uint8_t secondaryColour = largeElement->GetSecondaryColour();
//
// track_design_save_push_tile_element_desc(entry, x, y, z, flags, primaryColour, secondaryColour);
// }
// track_design_save_push_tile_element(x, y, reinterpret_cast<TileElement*>(largeElement));
// }
// }
//}
//
//static void track_design_save_add_wall(int32_t x, int32_t y, TileElement* tileElement)
//{
// int32_t entryType = tileElement->AsWall()->GetEntryIndex();
// auto entry = object_entry_get_entry(OBJECT_TYPE_WALLS, entryType);
//
// uint8_t flags = 0;
// flags |= tileElement->GetDirection();
// flags |= tileElement->AsWall()->GetTertiaryColour() << 2;
//
// uint8_t secondaryColour = tileElement->AsWall()->GetSecondaryColour();
// uint8_t primaryColour = tileElement->AsWall()->GetPrimaryColour();
//
// track_design_save_push_tile_element(x, y, tileElement);
// track_design_save_push_tile_element_desc(entry, x, y, tileElement->base_height, flags, primaryColour, secondaryColour);
//}
//
//static void track_design_save_add_footpath(int32_t x, int32_t y, TileElement* tileElement)
//{
// int32_t entryType = tileElement->AsPath()->GetPathEntryIndex();
// auto entry = object_entry_get_entry(OBJECT_TYPE_PATHS, entryType);
//
// uint8_t flags = 0;
// flags |= tileElement->AsPath()->GetEdges();
// flags |= (tileElement->AsPath()->GetSlopeDirection()) << 5;
// if (tileElement->AsPath()->IsSloped())
// flags |= 0b00010000;
// if (tileElement->AsPath()->IsQueue())
// flags |= 1 << 7;
//
// track_design_save_push_tile_element(x, y, tileElement);
// track_design_save_push_tile_element_desc(entry, x, y, tileElement->base_height, flags, 0, 0);
//}
//
///**
// *
// * rct2: 0x006D2B3C
// */
//static bool track_design_save_add_tile_element(int32_t interactionType, int32_t x, int32_t y, TileElement* tileElement)
//{
// if (!track_design_save_can_add_tile_element(tileElement))
// {
// return false;
// }
//
// switch (interactionType)
// {
// case VIEWPORT_INTERACTION_ITEM_SCENERY:
// track_design_save_add_scenery(x, y, tileElement);
// return true;
// case VIEWPORT_INTERACTION_ITEM_LARGE_SCENERY:
// track_design_save_add_large_scenery(x, y, tileElement->AsLargeScenery());
// return true;
// case VIEWPORT_INTERACTION_ITEM_WALL:
// track_design_save_add_wall(x, y, tileElement);
// return true;
// case VIEWPORT_INTERACTION_ITEM_FOOTPATH:
// track_design_save_add_footpath(x, y, tileElement);
// return true;
// default:
// return false;
// }
//}
//
///**
// *
// * rct2: 0x006D2F78
// */
//static void track_design_save_pop_tile_element(int32_t x, int32_t y, TileElement* tileElement)
//{
// map_invalidate_tile_full(x, y);
//
// // Find index of map element to remove
// size_t removeIndex = SIZE_MAX;
// for (size_t i = 0; i < _trackSavedTileElementsCount; i++)
// {
// if (_trackSavedTileElements[i] == tileElement)
// {
// removeIndex = i;
// }
// }
//
// // Remove map element from list
// if (removeIndex != SIZE_MAX)
// {
// size_t remainingNumItems = _trackSavedTileElementsCount - removeIndex - 1;
// if (remainingNumItems > 0)
// {
// memmove(
// &_trackSavedTileElements[removeIndex], &_trackSavedTileElements[removeIndex + 1],
// remainingNumItems * sizeof(TileElement*));
// }
// _trackSavedTileElementsCount--;
// _trackSavedTileElements[_trackSavedTileElementsCount] = nullptr;
// }
//}
//
///**
// *
// * rct2: 0x006D2FDD
// */
//static void track_design_save_pop_tile_element_desc(
// const rct_object_entry* entry, int32_t x, int32_t y, int32_t z, uint8_t flags)
//{
// size_t removeIndex = SIZE_MAX;
// for (size_t i = 0; i < _trackSavedTileElementsDescCount; i++)
// {
// rct_td6_scenery_element* item = &_trackSavedTileElementsDesc[i];
// if (item->x != x / 32)
// continue;
// if (item->y != y / 32)
// continue;
// if (item->z != z)
// continue;
// if (item->flags != flags)
// continue;
// if (!object_entry_compare(&item->scenery_object, entry))
// continue;
//
// removeIndex = i;
// }
//
// if (removeIndex != SIZE_MAX)
// {
// size_t remainingNumItems = _trackSavedTileElementsDescCount - removeIndex - 1;
// if (remainingNumItems > 0)
// {
// memmove(
// &_trackSavedTileElementsDesc[removeIndex], &_trackSavedTileElementsDesc[removeIndex + 1],
// remainingNumItems * sizeof(rct_td6_scenery_element));
// }
// _trackSavedTileElementsDescCount--;
// }
//}
//
//static void track_design_save_remove_scenery(int32_t x, int32_t y, TileElement* tileElement)
//{
// int32_t entryType = tileElement->AsSmallScenery()->GetEntryIndex();
// auto entry = object_entry_get_entry(OBJECT_TYPE_SMALL_SCENERY, entryType);
//
// uint8_t flags = 0;
// flags |= tileElement->GetDirection();
// flags |= tileElement->AsSmallScenery()->GetSceneryQuadrant() << 2;
//
// track_design_save_pop_tile_element(x, y, tileElement);
// track_design_save_pop_tile_element_desc(entry, x, y, tileElement->base_height, flags);
//}
//
//static void track_design_save_remove_large_scenery(int32_t x, int32_t y, LargeSceneryElement* tileElement)
//{
// rct_large_scenery_tile *sceneryTiles, *tile;
// int32_t x0, y0, z0, z;
// int32_t direction, sequence;
//
// int32_t entryType = tileElement->GetEntryIndex();
// auto entry = object_entry_get_entry(OBJECT_TYPE_LARGE_SCENERY, entryType);
// sceneryTiles = get_large_scenery_entry(entryType)->large_scenery.tiles;
//
// z = tileElement->base_height;
// direction = tileElement->GetDirection();
// sequence = tileElement->GetSequenceIndex();
//
// if (!map_large_scenery_get_origin(x, y, z, direction, sequence, &x0, &y0, &z0, nullptr))
// {
// return;
// }
//
// // Iterate through each tile of the large scenery element
// sequence = 0;
// for (tile = sceneryTiles; tile->x_offset != -1; tile++, sequence++)
// {
// int16_t offsetX = tile->x_offset;
// int16_t offsetY = tile->y_offset;
// rotate_map_coordinates(&offsetX, &offsetY, direction);
//
// x = x0 + offsetX;
// y = y0 + offsetY;
// z = (z0 + tile->z_offset) / 8;
// auto largeElement = map_get_large_scenery_segment(x, y, z, direction, sequence);
// if (largeElement != nullptr)
// {
// if (sequence == 0)
// {
// uint8_t flags = largeElement->GetDirection();
// track_design_save_pop_tile_element_desc(entry, x, y, z, flags);
// }
// track_design_save_pop_tile_element(x, y, reinterpret_cast<TileElement*>(largeElement));
// }
// }
//}
//
//static void track_design_save_remove_wall(int32_t x, int32_t y, TileElement* tileElement)
//{
// int32_t entryType = tileElement->AsWall()->GetEntryIndex();
// auto entry = object_entry_get_entry(OBJECT_TYPE_WALLS, entryType);
//
// uint8_t flags = 0;
// flags |= tileElement->GetDirection();
// flags |= tileElement->AsWall()->GetTertiaryColour() << 2;
//
// track_design_save_pop_tile_element(x, y, tileElement);
// track_design_save_pop_tile_element_desc(entry, x, y, tileElement->base_height, flags);
//}
//
//static void track_design_save_remove_footpath(int32_t x, int32_t y, TileElement* tileElement)
//{
// int32_t entryType = tileElement->AsPath()->GetPathEntryIndex();
// auto entry = object_entry_get_entry(OBJECT_TYPE_PATHS, entryType);
//
// uint8_t flags = 0;
// flags |= tileElement->AsPath()->GetEdges();
// if (tileElement->AsPath()->IsSloped())
// flags |= (1 << 4);
// flags |= (tileElement->AsPath()->GetSlopeDirection()) << 5;
// if (tileElement->AsPath()->IsQueue())
// flags |= (1 << 7);
//
// track_design_save_pop_tile_element(x, y, tileElement);
// track_design_save_pop_tile_element_desc(entry, x, y, tileElement->base_height, flags);
//}
//
///**
// *
// * rct2: 0x006D2B3C
// */
//static void track_design_save_remove_tile_element(int32_t interactionType, int32_t x, int32_t y, TileElement* tileElement)
//{
// switch (interactionType)
// {
// case VIEWPORT_INTERACTION_ITEM_SCENERY:
// track_design_save_remove_scenery(x, y, tileElement);
// break;
// case VIEWPORT_INTERACTION_ITEM_LARGE_SCENERY:
// track_design_save_remove_large_scenery(x, y, tileElement->AsLargeScenery());
// break;
// case VIEWPORT_INTERACTION_ITEM_WALL:
// track_design_save_remove_wall(x, y, tileElement);
// break;
// case VIEWPORT_INTERACTION_ITEM_FOOTPATH:
// track_design_save_remove_footpath(x, y, tileElement);
// break;
// }
//}
//
//static bool track_design_save_should_select_scenery_around(ride_id_t rideIndex, TileElement* tileElement)
//{
// switch (tileElement->GetType())
// {
// case TILE_ELEMENT_TYPE_PATH:
// if (tileElement->AsPath()->IsQueue() && tileElement->AsPath()->GetRideIndex() == rideIndex)
// return true;
// break;
// case TILE_ELEMENT_TYPE_TRACK:
// if (tileElement->AsTrack()->GetRideIndex() == rideIndex)
// return true;
// break;
// case TILE_ELEMENT_TYPE_ENTRANCE:
// // FIXME: This will always break and return false!
// if (tileElement->AsEntrance()->GetEntranceType() != ENTRANCE_TYPE_RIDE_ENTRANCE)
// break;
// if (tileElement->AsEntrance()->GetEntranceType() != ENTRANCE_TYPE_RIDE_EXIT)
// break;
// if (tileElement->AsEntrance()->GetRideIndex() == rideIndex)
// return true;
// break;
// }
// return false;
//}
//
//static void track_design_save_select_nearby_scenery_for_tile(ride_id_t rideIndex, int32_t cx, int32_t cy)
//{
// TileElement* tileElement;
//
// for (int32_t y = cy - TRACK_NEARBY_SCENERY_DISTANCE; y <= cy + TRACK_NEARBY_SCENERY_DISTANCE; y++)
// {
// for (int32_t x = cx - TRACK_NEARBY_SCENERY_DISTANCE; x <= cx + TRACK_NEARBY_SCENERY_DISTANCE; x++)
// {
// tileElement = map_get_first_element_at(x, y);
// do
// {
// int32_t interactionType = VIEWPORT_INTERACTION_ITEM_NONE;
// switch (tileElement->GetType())
// {
// case TILE_ELEMENT_TYPE_PATH:
// if (!tileElement->AsPath()->IsQueue())
// interactionType = VIEWPORT_INTERACTION_ITEM_FOOTPATH;
// else if (tileElement->AsPath()->GetRideIndex() == rideIndex)
// interactionType = VIEWPORT_INTERACTION_ITEM_FOOTPATH;
// break;
// case TILE_ELEMENT_TYPE_SMALL_SCENERY:
// interactionType = VIEWPORT_INTERACTION_ITEM_SCENERY;
// break;
// case TILE_ELEMENT_TYPE_WALL:
// interactionType = VIEWPORT_INTERACTION_ITEM_WALL;
// break;
// case TILE_ELEMENT_TYPE_LARGE_SCENERY:
// interactionType = VIEWPORT_INTERACTION_ITEM_LARGE_SCENERY;
// break;
// }
//
// if (interactionType != VIEWPORT_INTERACTION_ITEM_NONE)
// {
// if (!track_design_save_contains_tile_element(tileElement))
// {
// track_design_save_add_tile_element(interactionType, x * 32, y * 32, tileElement);
// }
// }
// } while (!(tileElement++)->IsLastForTile());
// }
// }
//}
//
///* Based on rct2: 0x006D2897 */
//static bool track_design_save_copy_scenery_to_td6(rct_track_td6* td6)
//{
// // Copy TD6 scenery elements to new memory and add end marker
// size_t totalSceneryElementsSize = _trackSavedTileElementsDescCount * sizeof(rct_td6_scenery_element);
// td6->scenery_elements = (rct_td6_scenery_element*)malloc(totalSceneryElementsSize + 1);
// std::memcpy(td6->scenery_elements, _trackSavedTileElementsDesc, totalSceneryElementsSize);
// *((uint8_t*)&td6->scenery_elements[_trackSavedTileElementsDescCount]) = 0xFF;
//
// // Run an element loop
// for (size_t i = 0; i < _trackSavedTileElementsDescCount; i++)
// {
// rct_td6_scenery_element* scenery = &td6->scenery_elements[i];
//
// switch (object_entry_get_type(&scenery->scenery_object))
// {
// case OBJECT_TYPE_PATHS:
// {
// uint8_t slope = (scenery->flags & 0x60) >> 5;
// slope -= _trackSaveDirection;
//
// 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) >> _trackSaveDirection);
//
// scenery->flags &= 0xF0;
// scenery->flags |= (direction & 0xF) | (direction >> 4);
// break;
// }
// case OBJECT_TYPE_WALLS:
// {
// uint8_t direction = scenery->flags & 3;
// direction -= _trackSaveDirection;
//
// scenery->flags &= 0xFC;
// scenery->flags |= (direction & 3);
// break;
// }
// default:
// {
// uint8_t direction = scenery->flags & 3;
// uint8_t quadrant = (scenery->flags & 0x0C) >> 2;
//
// direction -= _trackSaveDirection;
// quadrant -= _trackSaveDirection;
//
// scenery->flags &= 0xF0;
// scenery->flags |= (direction & 3) | ((quadrant & 3) << 2);
// break;
// }
// }
//
// int16_t x = ((uint8_t)scenery->x) * 32 - gTrackPreviewOrigin.x;
// int16_t y = ((uint8_t)scenery->y) * 32 - gTrackPreviewOrigin.y;
// rotate_map_coordinates(&x, &y, (0 - _trackSaveDirection) & 3);
// x /= 32;
// y /= 32;
//
// if (x > 127 || y > 127 || x < -126 || y < -126)
// {
// context_show_error(STR_CANT_SAVE_TRACK_DESIGN, STR_TRACK_TOO_LARGE_OR_TOO_MUCH_SCENERY);
// SafeFree(td6->scenery_elements);
// return false;
// }
//
// scenery->x = (int8_t)x;
// scenery->y = (int8_t)y;
//
// int32_t z = scenery->z * 8 - gTrackPreviewOrigin.z;
// z /= 8;
// if (z > 127 || z < -126)
// {
// context_show_error(STR_CANT_SAVE_TRACK_DESIGN, STR_TRACK_TOO_LARGE_OR_TOO_MUCH_SCENERY);
// SafeFree(td6->scenery_elements);
// return false;
// }
// scenery->z = z;
// }
//
// return true;
//}
//
///**
// *
// * rct2: 0x006CE44F
// */
//static TrackDesign* track_design_save_to_td6(ride_id_t rideIndex)
//{
// auto ride = get_ride(rideIndex);
// if (ride == nullptr)
// return nullptr;
//
// auto td6 = (rct_track_td6*)calloc(1, sizeof(rct_track_td6));
// if (td6 == nullptr)
// return nullptr;
//
// td6->type = ride->type;
// auto object = object_entry_get_entry(OBJECT_TYPE_RIDE, ride->subtype);
//
// // Note we are only copying rct_object_entry in size and
// // not the extended as we don't need the chunk size.
// std::memcpy(&td6->vehicle_object, object, sizeof(rct_object_entry));
//
// td6->ride_mode = ride->mode;
//
// td6->version_and_colour_scheme = (ride->colour_scheme_type & 3) | (1 << 3); // Version .TD6
//
// for (int32_t i = 0; i < RCT12_MAX_VEHICLES_PER_RIDE; i++)
// {
// td6->vehicle_colours[i].body_colour = ride->vehicle_colours[i].Body;
// td6->vehicle_colours[i].trim_colour = ride->vehicle_colours[i].Trim;
// td6->vehicle_additional_colour[i] = ride->vehicle_colours[i].Ternary;
// }
//
// for (int32_t i = 0; i < RCT12_NUM_COLOUR_SCHEMES; i++)
// {
// td6->track_spine_colour[i] = ride->track_colour[i].main;
// td6->track_rail_colour[i] = ride->track_colour[i].additional;
// td6->track_support_colour[i] = ride->track_colour[i].supports;
// }
//
// td6->depart_flags = ride->depart_flags;
// td6->number_of_trains = ride->num_vehicles;
// td6->number_of_cars_per_train = ride->num_cars_per_train;
// td6->min_waiting_time = ride->min_waiting_time;
// td6->max_waiting_time = ride->max_waiting_time;
// td6->operation_setting = ride->operation_option;
// td6->lift_hill_speed_num_circuits = ride->lift_hill_speed | (ride->num_circuits << 5);
//
// td6->entrance_style = ride->entrance_style;
// td6->max_speed = (int8_t)(ride->max_speed / 65536);
// td6->average_speed = (int8_t)(ride->average_speed / 65536);
// td6->ride_length = ride_get_total_length(ride) / 65536;
// td6->max_positive_vertical_g = ride->max_positive_vertical_g / 32;
// td6->max_negative_vertical_g = ride->max_negative_vertical_g / 32;
// td6->max_lateral_g = ride->max_lateral_g / 32;
// if (ride->type == RIDE_TYPE_MINI_GOLF)
// td6->inversions = ride->holes & 0x1F;
// else
// td6->inversions = ride->inversions & 0x1F;
// td6->inversions |= (ride->sheltered_eighths << 5);
// td6->drops = ride->drops;
// td6->highest_drop_height = ride->highest_drop_height;
//
// uint16_t total_air_time = (ride->total_air_time * 123) / 1024;
// if (total_air_time > 255)
// {
// total_air_time = 0;
// }
// td6->total_air_time = (uint8_t)total_air_time;
//
// td6->excitement = ride->ratings.excitement / 10;
// td6->intensity = ride->ratings.intensity / 10;
// td6->nausea = ride->ratings.nausea / 10;
//
// td6->upkeep_cost = ride->upkeep_cost;
// td6->flags = 0;
// td6->flags2 = 0;
//
// bool result;
// if (td6->type == RIDE_TYPE_MAZE)
// {
// result = track_design_save_to_td6_for_maze(ride, td6);
// }
// else
// {
// result = track_design_save_to_td6_for_tracked_ride(ride, td6);
// }
//
// if (!result)
// {
// //track_design_dispose(td6);
// td6 = nullptr;
// }
// return td6;
//}
//
///**
// *
// * rct2: 0x006CEAAE
// */
//static bool track_design_save_to_td6_for_maze(const Ride* ride, TrackDesign* td6)
//{
// TileElement* tileElement = nullptr;
// bool mapFound = false;
// int16_t startX = 0;
// int16_t startY = 0;
// for (startY = 0; startY < 8192; startY += 32)
// {
// for (startX = 0; startX < 8192; startX += 32)
// {
// tileElement = map_get_first_element_at(startX >> 5, startY >> 5);
// do
// {
// if (tileElement->GetType() != TILE_ELEMENT_TYPE_TRACK)
// continue;
// if (tileElement->AsTrack()->GetRideIndex() == ride->id)
// {
// mapFound = true;
// break;
// }
// } while (!(tileElement++)->IsLastForTile());
// if (mapFound)
// {
// break;
// }
// }
// if (mapFound)
// {
// break;
// }
// }
//
// if (mapFound == 0)
// {
// gGameCommandErrorText = STR_TRACK_TOO_LARGE_OR_TOO_MUCH_SCENERY;
// return false;
// }
//
// gTrackPreviewOrigin = { startX, startY, (int16_t)(tileElement->base_height * 8) };
//
// size_t numMazeElements = 0;
// td6->maze_elements = (rct_td6_maze_element*)calloc(8192, sizeof(rct_td6_maze_element));
// rct_td6_maze_element* maze = td6->maze_elements;
//
// // 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 (int16_t y = startY, x = startX; y < 8192; y += 32)
// {
// for (; x < 8192; x += 32)
// {
// tileElement = map_get_first_element_at(x / 32, y / 32);
// do
// {
// if (tileElement->GetType() != TILE_ELEMENT_TYPE_TRACK)
// continue;
// if (tileElement->AsTrack()->GetRideIndex() != ride->id)
// continue;
//
// maze->maze_entry = tileElement->AsTrack()->GetMazeEntry();
// maze->x = (x - startX) / 32;
// maze->y = (y - startY) / 32;
// maze++;
// numMazeElements++;
//
// if (numMazeElements >= 2000)
// {
// gGameCommandErrorText = STR_TRACK_TOO_LARGE_OR_TOO_MUCH_SCENERY;
// SafeFree(td6->maze_elements);
// return false;
// }
// } while (!(tileElement++)->IsLastForTile());
// }
// x = 0;
// }
//
// auto location = ride_get_entrance_location(ride, 0);
// if (location.isNull())
// {
// gGameCommandErrorText = STR_TRACK_TOO_LARGE_OR_TOO_MUCH_SCENERY;
// SafeFree(td6->maze_elements);
// return false;
// }
//
// int16_t x = location.x * 32;
// int16_t y = location.y * 32;
//
// tileElement = map_get_first_element_at(location.x, location.y);
// do
// {
// if (tileElement->GetType() != TILE_ELEMENT_TYPE_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 entrance_direction = tileElement->GetDirection();
// maze->direction = entrance_direction;
// maze->type = 8;
// maze->x = (int8_t)((x - startX) / 32);
// maze->y = (int8_t)((y - startY) / 32);
// maze++;
// numMazeElements++;
//
// location = ride_get_exit_location(ride, 0);
// if (location.isNull())
// {
// gGameCommandErrorText = STR_TRACK_TOO_LARGE_OR_TOO_MUCH_SCENERY;
// SafeFree(td6->maze_elements);
// return false;
// }
//
// x = location.x * 32;
// y = location.y * 32;
// tileElement = map_get_first_element_at(location.x, location.y);
// do
// {
// if (tileElement->GetType() != TILE_ELEMENT_TYPE_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();
// maze->direction = exit_direction;
// maze->type = 0x80;
// maze->x = (int8_t)((x - startX) / 32);
// maze->y = (int8_t)((y - startY) / 32);
// maze++;
// maze->all = 0;
// maze++;
// numMazeElements++;
//
// // Write end marker
// maze->all = 0;
// maze++;
// numMazeElements++;
//
// // Trim memory
// td6->maze_elements = (rct_td6_maze_element*)realloc(td6->maze_elements, numMazeElements * sizeof(rct_td6_maze_element));
//
// // Save global vars as they are still used by scenery
// int16_t startZ = gTrackPreviewOrigin.z;
// place_virtual_track(td6, PTD_OPERATION_DRAW_OUTLINES, true, GetOrAllocateRide(0), 4096, 4096, 0);
// gTrackPreviewOrigin = { startX, startY, startZ };
//
// gMapSelectFlags &= ~MAP_SELECT_FLAG_ENABLE_CONSTRUCT;
// gMapSelectFlags &= ~MAP_SELECT_FLAG_ENABLE_ARROW;
// gMapSelectFlags &= ~MAP_SELECT_FLAG_GREEN;
//
// td6->space_required_x = ((gTrackPreviewMax.x - gTrackPreviewMin.x) / 32) + 1;
// td6->space_required_y = ((gTrackPreviewMax.y - gTrackPreviewMin.y) / 32) + 1;
// return true;
//}
//
///**
// *
// * rct2: 0x006CE68D
// */
//static bool track_design_save_to_td6_for_tracked_ride(const Ride* ride, TrackDesign* td6)
//{
// CoordsXYE trackElement;
// if (!ride_try_get_origin_element(ride, &trackElement))
// {
// gGameCommandErrorText = STR_TRACK_TOO_LARGE_OR_TOO_MUCH_SCENERY;
// return false;
// }
//
// ride_get_start_of_track(&trackElement);
//
// int32_t z = trackElement.element->base_height * 8;
// uint8_t track_type = trackElement.element->AsTrack()->GetTrackType();
// uint8_t direction = trackElement.element->GetDirection();
// _trackSaveDirection = direction;
//
// if (sub_6C683D(&trackElement.x, &trackElement.y, &z, direction, track_type, 0, &trackElement.element, 0))
// {
// gGameCommandErrorText = STR_TRACK_TOO_LARGE_OR_TOO_MUCH_SCENERY;
// return 0;
// }
//
// const rct_track_coordinates* trackCoordinates = &TrackCoordinates[trackElement.element->AsTrack()->GetTrackType()];
// // 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;
//
// int16_t start_x = trackElement.x;
// int16_t start_y = trackElement.y;
// int16_t start_z = z + trackCoordinates->z_begin;
// gTrackPreviewOrigin = { start_x, start_y, start_z };
//
// size_t numTrackElements = 0;
// td6->track_elements = (rct_td6_track_element*)calloc(TRACK_TD6_MAX_ELEMENTS, sizeof(rct_td6_track_element));
// rct_td6_track_element* track = td6->track_elements;
// do
// {
// track->type = trackElement.element->AsTrack()->GetTrackType();
// if (track->type == TRACK_ELEM_255)
// {
// track->type = TRACK_ELEM_255_ALIAS;
// }
//
// uint8_t flags;
// if (track_element_has_speed_setting(track->type))
// {
// flags = trackElement.element->AsTrack()->GetBrakeBoosterSpeed() >> 1;
// }
// else
// {
// flags = trackElement.element->AsTrack()->GetSeatRotation();
// }
//
// if (trackElement.element->AsTrack()->HasChain())
// flags |= (1 << 7);
// flags |= trackElement.element->AsTrack()->GetColourScheme() << 4;
// if (RideData4[ride->type].flags & RIDE_TYPE_FLAG4_HAS_ALTERNATIVE_TRACK_TYPE
// && trackElement.element->AsTrack()->IsInverted())
// {
// flags |= TRACK_ELEMENT_FLAG_INVERTED;
// }
//
// track->flags = flags;
// track++;
// numTrackElements++;
//
// if (!track_block_get_next(&trackElement, &trackElement, nullptr, nullptr))
// {
// break;
// }
//
// z = trackElement.element->base_height * 8;
// direction = trackElement.element->GetDirection();
// track_type = trackElement.element->AsTrack()->GetTrackType();
//
// if (sub_6C683D(&trackElement.x, &trackElement.y, &z, direction, track_type, 0, &trackElement.element, 0))
// {
// break;
// }
//
// if (TRACK_TD6_MAX_ELEMENTS == numTrackElements)
// {
// free(td6->track_elements);
// gGameCommandErrorText = STR_TRACK_TOO_LARGE_OR_TOO_MUCH_SCENERY;
// return false;
// }
// } while (trackElement.element != initialMap);
//
// td6->track_elements = (rct_td6_track_element*)realloc(
// td6->track_elements, numTrackElements * sizeof(rct_td6_track_element) + 1);
// *((uint8_t*)&td6->track_elements[numTrackElements]) = 0xFF;
//
// size_t numEntranceElements = 0;
// td6->entrance_elements = (rct_td6_entrance_element*)calloc(32, sizeof(rct_td6_entrance_element));
// rct_td6_entrance_element* entrance = td6->entrance_elements;
//
// // First entrances, second exits
// for (int32_t i = 0; i < 2; i++)
// {
// for (int32_t station_index = 0; station_index < RCT12_MAX_STATIONS_PER_RIDE; station_index++)
// {
// z = ride->stations[station_index].Height;
//
// TileCoordsXYZD location;
// if (i == 0)
// {
// location = ride_get_entrance_location(ride, station_index);
// }
// else
// {
// location = ride_get_exit_location(ride, station_index);
// }
//
// if (location.isNull())
// {
// continue;
// }
//
// int16_t x = location.x * 32;
// int16_t y = location.y * 32;
//
// TileElement* tile_element = map_get_first_element_at(x >> 5, y >> 5);
// do
// {
// if (tile_element->GetType() != TILE_ELEMENT_TYPE_ENTRANCE)
// continue;
// if (tile_element->base_height == z)
// break;
// } while (!(tile_element++)->IsLastForTile());
// // Add something that stops this from walking off the end
//
// uint8_t entrance_direction = tile_element->GetDirection();
// entrance_direction -= _trackSaveDirection;
// entrance_direction &= TILE_ELEMENT_DIRECTION_MASK;
// entrance->direction = entrance_direction;
//
// x -= gTrackPreviewOrigin.x;
// y -= gTrackPreviewOrigin.y;
//
// // Rotate entrance coordinates backwards to the correct direction
// rotate_map_coordinates(&x, &y, (0 - _trackSaveDirection) & 3);
// entrance->x = x;
// entrance->y = y;
//
// z *= 8;
// z -= gTrackPreviewOrigin.z;
// z /= 8;
//
// if (z > 127 || z < -126)
// {
// gGameCommandErrorText = STR_TRACK_TOO_LARGE_OR_TOO_MUCH_SCENERY;
// return 0;
// }
//
// if (z == 0xFF)
// {
// z = 0x80;
// }
//
// entrance->z = z;
//
// // If this is the exit version
// if (i == 1)
// {
// entrance->direction |= (1 << 7);
// }
// entrance++;
// numEntranceElements++;
// }
// }
// td6->entrance_elements = (rct_td6_entrance_element*)realloc(
// td6->entrance_elements, numEntranceElements * sizeof(rct_td6_entrance_element) + 1);
// *((uint8_t*)&td6->entrance_elements[numEntranceElements]) = 0xFF;
//
// place_virtual_track(td6, PTD_OPERATION_DRAW_OUTLINES, true, GetOrAllocateRide(0), 4096, 4096, 0);
//
// // Resave global vars for scenery reasons.
// gTrackPreviewOrigin = { start_x, start_y, start_z };
//
// gMapSelectFlags &= ~MAP_SELECT_FLAG_ENABLE_CONSTRUCT;
// gMapSelectFlags &= ~MAP_SELECT_FLAG_ENABLE_ARROW;
// gMapSelectFlags &= ~MAP_SELECT_FLAG_GREEN;
//
// td6->space_required_x = ((gTrackPreviewMax.x - gTrackPreviewMin.x) / 32) + 1;
// td6->space_required_y = ((gTrackPreviewMax.y - gTrackPreviewMin.y) / 32) + 1;
// return true;
//}
//
//static size_t track_design_get_maze_elements_count(rct_track_td6* td6)
//{
// size_t count = 0;
// rct_td6_maze_element* mazeElement = td6->maze_elements;
// while (mazeElement->all != 0)
// {
// count++;
// mazeElement++;
// }
// return count;
//}
//
//static size_t track_design_get_track_elements_count(rct_track_td6* td6)
//{
// size_t count = 0;
// rct_td6_track_element* trackElement = td6->track_elements;
// while (trackElement->type != 0xFF)
// {
// count++;
// trackElement++;
// }
// return count;
//}
//
//static size_t track_design_get_entrance_elements_count(rct_track_td6* td6)
//{
// size_t count = 0;
// rct_td6_entrance_element* entranceElement = td6->entrance_elements;
// while (entranceElement->z != -1)
// {
// count++;
// entranceElement++;
// }
// return count;
//}
//
//static size_t track_design_get_scenery_elements_count(rct_track_td6* td6)
//{
// size_t count = 0;
// rct_td6_scenery_element* sceneryElement = td6->scenery_elements;
// if (sceneryElement != nullptr)
// {
// while (sceneryElement->scenery_object.end_flag != 0xFF)
// {
// count++;
// sceneryElement++;
// }
// }
// return count;
//}
//
//struct auto_buffer
//{
// void* ptr;
// size_t length;
// size_t capacity;
//};
//
//static void auto_buffer_write(auto_buffer* buffer, const void* src, size_t len)
//{
// size_t remainingSpace = buffer->capacity - buffer->length;
// if (remainingSpace < len)
// {
// do
// {
// buffer->capacity = std::max<size_t>(8, buffer->capacity * 2);
// remainingSpace = buffer->capacity - buffer->length;
// } while (remainingSpace < len);
//
// buffer->ptr = realloc(buffer->ptr, buffer->capacity);
// }
// std::memcpy((void*)((uintptr_t)buffer->ptr + buffer->length), src, len);
// buffer->length += len;
//}
//
///**
// *
// * rct2: 0x006771DC but not really its branched from that
// * quite far.
// */
//bool track_design_save_to_file(const utf8* path)
//{
// rct_track_td6* td6 = _trackDesign;
// const rct_td6_maze_element EndMarkerForMaze = {};
// const uint8_t EndMarker = 0xFF;
//
// window_close_construction_windows();
//
// // Create TD6 data buffer
// auto_buffer td6Buffer = {};
// auto_buffer_write(&td6Buffer, td6, 0xA3);
// if (td6->type == RIDE_TYPE_MAZE)
// {
// auto_buffer_write(
// &td6Buffer, td6->maze_elements, track_design_get_maze_elements_count(td6) * sizeof(rct_td6_maze_element));
// auto_buffer_write(&td6Buffer, &EndMarkerForMaze, sizeof(EndMarkerForMaze));
// }
// else
// {
// auto_buffer_write(
// &td6Buffer, td6->track_elements, track_design_get_track_elements_count(td6) * sizeof(rct_td6_track_element));
// auto_buffer_write(&td6Buffer, &EndMarker, sizeof(EndMarker));
// auto_buffer_write(
// &td6Buffer, td6->entrance_elements,
// track_design_get_entrance_elements_count(td6) * sizeof(rct_td6_entrance_element));
// auto_buffer_write(&td6Buffer, &EndMarker, sizeof(EndMarker));
// }
// auto_buffer_write(
// &td6Buffer, td6->scenery_elements, track_design_get_scenery_elements_count(td6) * sizeof(rct_td6_scenery_element));
// auto_buffer_write(&td6Buffer, &EndMarker, sizeof(EndMarker));
//
// // Encode TD6 data
// uint8_t* encodedData = (uint8_t*)malloc(0x8000);
// assert(td6Buffer.ptr != nullptr);
// size_t encodedDataLength = sawyercoding_encode_td6((uint8_t*)td6Buffer.ptr, encodedData, td6Buffer.length);
//
// // Save encoded TD6 data to file
// bool result;
// log_verbose("saving track %s", path);
// result = writeentirefile(path, encodedData, encodedDataLength);
// if (!result)
// {
// log_error("Failed to save %s", path);
// }
//
// free(encodedData);
// free(td6Buffer.ptr);
// return result;
//}