OpenRCT2/src/openrct2/object/FootpathObject.cpp

#pragma region Copyright (c) 2014-2017 OpenRCT2 Developers
/*****************************************************************************
 * OpenRCT2, an open source clone of Roller Coaster Tycoon 2.
 *
 * OpenRCT2 is the work of many authors, a full list can be found in contributors.md
 * For more information, visit https://github.com/OpenRCT2/OpenRCT2
 *
 * OpenRCT2 is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * A full copy of the GNU General Public License can be found in licence.txt
 *****************************************************************************/
#pragma endregion

#include "../core/IStream.hpp"
#include "FootpathObject.h"

#include "../drawing/drawing.h"
#include "../localisation/language.h"
#include "../world/footpath.h"

void FootpathObject::ReadLegacy(IReadObjectContext * context, IStream * stream)
{
    stream->Seek(10, STREAM_SEEK_CURRENT);
    _legacyType.support_type = stream->ReadValue<uint8>();
    _legacyType.flags = stream->ReadValue<uint8>();
    _legacyType.scrolling_mode = stream->ReadValue<uint8>();
    stream->Seek(1, STREAM_SEEK_CURRENT);

    GetStringTable()->Read(context, stream, OBJ_STRING_ID_NAME);
    GetImageTable()->Read(context, stream);

    // Validate properties
    if (_legacyType.support_type >= FOOTPATH_ENTRY_SUPPORT_TYPE_COUNT)
    {
        context->LogError(OBJECT_ERROR_INVALID_PROPERTY, "SUPPORT_TYPE not supported.");
    }
}

void FootpathObject::Load()
{
    GetStringTable()->Sort();
    _legacyType.string_idx = language_allocate_object_string(GetName());
    _legacyType.image = gfx_object_allocate_images(GetImageTable()->GetImages(), GetImageTable()->GetCount());
    _legacyType.bridge_image = _legacyType.image + 109;
}

void FootpathObject::Unload()
{
    language_free_object_string(_legacyType.string_idx);
    gfx_object_free_images(_legacyType.image, GetImageTable()->GetCount());

    _legacyType.string_idx = 0;
    _legacyType.image = 0;
}

void FootpathObject::DrawPreview(rct_drawpixelinfo * dpi, sint32 width, sint32 height) const
{
    sint32 x = width / 2;
    sint32 y = height / 2;
    gfx_draw_sprite(dpi, _legacyType.image + 71, x - 49, y - 17, 0);
    gfx_draw_sprite(dpi, _legacyType.image + 72, x + 4, y - 17, 0);
}