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https://github.com/OpenRCT2/OpenRCT2
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109 lines
3.5 KiB
C++
109 lines
3.5 KiB
C++
#pragma region Copyright (c) 2014-2016 OpenRCT2 Developers
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/*****************************************************************************
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* OpenRCT2, an open source clone of Roller Coaster Tycoon 2.
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*
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* OpenRCT2 is the work of many authors, a full list can be found in contributors.md
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* For more information, visit https://github.com/OpenRCT2/OpenRCT2
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*
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* OpenRCT2 is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* A full copy of the GNU General Public License can be found in licence.txt
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*****************************************************************************/
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#pragma endregion
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#include "../core/IStream.hpp"
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#include "../core/Memory.hpp"
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#include "SceneryGroupObject.h"
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extern "C"
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{
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#include "../drawing/drawing.h"
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#include "../localisation/localisation.h"
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}
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enum OBJ_STRING_ID
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{
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OBJ_STRING_ID_NAME,
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};
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SceneryGroupObject::~SceneryGroupObject()
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{
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Memory::Free(_items);
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}
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void SceneryGroupObject::ReadLegacy(IReadObjectContext * context, IStream * stream)
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{
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_legacyType.name = stream->ReadValue<rct_string_id>();
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_legacyType.image = stream->ReadValue<uint32>();
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stream->Seek(0x80 * 2, STREAM_SEEK_CURRENT);
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_legacyType.entry_count = stream->ReadValue<uint8>();
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_legacyType.var_107 = stream->ReadValue<uint8>();
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_legacyType.var_108 = stream->ReadValue<uint8>();
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_legacyType.pad_109 = stream->ReadValue<uint8>();
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_legacyType.var_10A = stream->ReadValue<uint32>();
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GetStringTable()->Read(context, stream, OBJ_STRING_ID_NAME);
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ReadItems(stream);
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GetImageTable()->Read(context, stream);
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_legacyType.var_107 = _numItems;
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}
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void SceneryGroupObject::Load()
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{
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_legacyType.name = language_allocate_object_string(GetName());
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_legacyType.image = gfx_object_allocate_images(GetImageTable()->GetImages(), GetImageTable()->GetCount());
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_legacyType.entry_count = 0;
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for (uint32 i = 0; i < _numItems; i++)
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{
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uint8 entryType;
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uint8 entryIndex;
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if (find_object_in_entry_group(&_items[i], &entryType, &entryIndex))
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{
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uint16 sceneryEntry = entryIndex;
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switch (entryType) {
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case OBJECT_TYPE_SMALL_SCENERY: break;
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case OBJECT_TYPE_LARGE_SCENERY: sceneryEntry |= 0x300; break;
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case OBJECT_TYPE_WALLS: sceneryEntry |= 0x200; break;
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case OBJECT_TYPE_PATH_BITS: sceneryEntry |= 0x100; break;
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default: sceneryEntry |= 0x400; break;
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}
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_legacyType.scenery_entries[_legacyType.entry_count] = sceneryEntry;
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_legacyType.entry_count++;
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}
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}
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}
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void SceneryGroupObject::Unload()
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{
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language_free_object_string(_legacyType.name);
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gfx_object_free_images(_legacyType.image, GetImageTable()->GetCount());
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}
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const utf8 * SceneryGroupObject::GetName() const
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{
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const utf8 * name = GetStringTable()->GetString(OBJ_STRING_ID_NAME);
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return name != nullptr ? name : "";
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}
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void SceneryGroupObject::ReadItems(IStream * stream)
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{
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auto items = std::vector<rct_object_entry>();
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uint8 endMarker;
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while ((endMarker = stream->ReadValue<uint8>()) != 0xFF)
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{
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stream->Seek(-1, STREAM_SEEK_CURRENT);
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rct_object_entry entry = stream->ReadValue<rct_object_entry>();
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items.push_back(entry);
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}
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_numItems = items.size();
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_items = Memory::DuplicateArray(items.data(), items.size());
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}
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