objectslayer.cpp

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/*
 * The ManaPlus Client
 * Copyright (C) 2011-2019 The ManaPlus Developers
 * Copyright (C) 2019-2021 Andrei Karas
 *
 * This file is part of The ManaPlus Client.
 *
 * This program 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 2 of the License, or
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
#include "resources/map/objectslayer.h"
 
#include "utils/cast.h"
 
#include "resources/map/mapobjectlist.h"
 
#include "debug.h"
 
ObjectsLayer::ObjectsLayer(const unsigned width,
 const unsigned height) :
 MemoryCounter(),
 mTiles(new MapObjectList*[width * height]),
 mWidth(width),
 mHeight(height)
{
 std::fill_n(mTiles, width * height, static_cast<MapObjectList*>(nullptr));
}
 
ObjectsLayer::~ObjectsLayer()
{
 const unsigned size = mWidth * mHeight;
 for (unsigned f = 0; f < size; f ++)
 delete mTiles[f];
 
 delete [] mTiles;
 mTiles = nullptr;
}
 
void ObjectsLayer::addObject(const std::string &name, const int type,
 const unsigned x, const unsigned y,
 unsigned dx, unsigned dy)
{
 if (mTiles == nullptr)
 return;
 
 if (x + dx > mWidth)
 dx = mWidth - x;
 if (y + dy > mHeight)
 dy = mHeight - y;
 
 for (unsigned y1 = y; y1 < y + dy; y1 ++)
 {
 const unsigned idx1 = x + y1 * mWidth;
 const unsigned idx2 = idx1 + dx;
 
 for (unsigned i = idx1; i < idx2; i ++)
 {
 if (mTiles[i] == nullptr)
 mTiles[i] = new MapObjectList;
 mTiles[i]->objects.push_back(MapObject(type, name));
 }
 }
}
 
MapObjectList *ObjectsLayer::getAt(const unsigned x, const unsigned y) const
{
 if (x >= mWidth || y >= mHeight)
 return nullptr;
 return mTiles[x + y * mWidth];
}
 
int ObjectsLayer::calcMemoryLocal() const
{
 return CAST_S32(sizeof(ObjectsLayer) +
 (sizeof(MapObjectList) + sizeof(MapObjectList*)) * mWidth * mHeight);
}