/*******************************************************************************
* Copyright (c) 2015 - 2017
* <p>
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
* <p>
* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
* <p>
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*******************************************************************************/
package jsettlers.logic.map.grid.flags;
import java.io.Serializable;
import java.util.BitSet;
import jsettlers.algorithms.partitions.IBlockingProvider;
/**
* Grid that's storing the blocked information for fast access.
*
* @author Andreas Eberle
*
*/
public final class FlagsGrid implements Serializable, IBlockingProvider, IProtectedProvider {
private static final long serialVersionUID = -413005884613149208L;
private final short width;
private final BitSet blockedGrid;
private final BitSet markedGrid;
private final BitSet protectedGrid;
private IProtectedChangedListener protectedChangedListener = null;
public FlagsGrid(final short width, final short height) {
this.width = width;
this.blockedGrid = new BitSet(width * height);
this.protectedGrid = new BitSet(width * height);
this.markedGrid = new BitSet(width * height);
}
@Override
public boolean isBlocked(int x, int y) {
return blockedGrid.get(x + y * width);
}
/**
* Sets this position's blocked and protected.
*
* @param x
* x coordinate
* @param y
* y coordinate
* @param blockedAndProtected
* the position will be set to blocked and protected if blocked == true<br>
* otherwise it will be set to unblocked and unprotected.
*/
public void setBlockedAndProtected(int x, int y, boolean blockedAndProtected) {
setBlockedAndProtected(x, y, blockedAndProtected, blockedAndProtected);
}
/**
* Sets this position's blocked and protected.
*
* @param x
* x coordinate
* @param y
* y coordinate
* @param newBlocked
* new blocked value of this position
* @param newProtected
* new protected value of this position
*/
public void setBlockedAndProtected(int x, int y, boolean newBlocked, boolean newProtected) {
final int idx = x + y * width;
boolean oldProtected = this.protectedGrid.get(idx);
this.blockedGrid.set(idx, newBlocked);
this.protectedGrid.set(idx, newProtected);
if (protectedChangedListener != null && oldProtected != newProtected) {
this.protectedChangedListener.protectedChanged(x, y, newProtected);
}
}
public boolean isMarked(int x, int y) {
return this.markedGrid.get(x + y * width);
}
public void setMarked(short x, short y, boolean marked) {
this.markedGrid.set(x + y * width, marked);
}
@Override
public boolean isProtected(int x, int y) {
return this.protectedGrid.get(x + y * width);
}
public void setProtected(int x, int y, boolean newProtected) {
this.protectedGrid.set(x + y * width, newProtected);
if (protectedChangedListener != null) {
this.protectedChangedListener.protectedChanged(x, y, newProtected);
}
}
public boolean isPioneerBlocked(int x, int y) {
int index = x + y * width;
return blockedGrid.get(index) || protectedGrid.get(index);
}
@Override
public void setProtectedChangedListener(IProtectedChangedListener protectedChangedListener) {
this.protectedChangedListener = protectedChangedListener;
}
}