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GameOfLifeState.java
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YAGOUBI Rim / Game of life Template
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SAHIN Melis damla authoredSAHIN Melis damla authored
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FirefighterBoard.java 4.39 KiB
package firefighter.model;
import java.util.*;
public class FirefighterBoard implements Board<List<ModelElement>> {
private final int columnCount;
private final int rowCount;
private final int initialFireCount;
private final int initialFirefighterCount;
List<Position> firefighterPositions;
Set<Position> firePositions;
List<Position> firefighterNewPositions;
int step = 0;
public FirefighterBoard(int columnCount, int rowCount, int initialFireCount, int initialFirefighterCount) {
this.columnCount = columnCount;
this.rowCount = rowCount;
this.initialFireCount = initialFireCount;
this.initialFirefighterCount = initialFirefighterCount;
initializeElements();
}
public void initializeElements() {
firefighterPositions = new ArrayList<>();
firePositions = new HashSet<>();
for (int index = 0; index < initialFireCount; index++)
firePositions.add(randomPosition());
for (int index = 0; index < initialFirefighterCount; index++)
firefighterPositions.add(randomPosition());
}
private Position randomPosition() {
return new Position((int) (Math.random() * rowCount), (int) (Math.random() * columnCount));
}
@Override
public List<ModelElement> getState(Position position) {
List<ModelElement> result = new ArrayList<>();
for(Position firefighterPosition : firefighterPositions)
if (firefighterPosition.equals(position))
result.add(ModelElement.FIREFIGHTER);
if(firePositions.contains(position))
result.add(ModelElement.FIRE);
return result;
}
@Override
public int rowCount() {
return rowCount;
}
@Override
public int columnCount() {
return columnCount;
}
public List<Position> updateToNextGeneration() {
List<Position> result = activateFirefighters();
result.addAll(activateFires());
step++;
return result;
}
private List<Position> activateFires() {
List<Position> result = new ArrayList<>();
if (step % 2 == 0) {
List<Position> newFirePositions = new ArrayList<>();
for (Position fire : firePositions) {
newFirePositions.addAll(neighbors(fire));