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Added part-solution for exercise 8

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added the solution for exercise 8 for the sever sided test to ServerGameLogic.java
This commit is contained in:
Hanno Fleischer hanno.fleischer@unibw.de
2024-10-02 13:57:17 +02:00
parent f759eddda1
commit 4dcd53a660
1 changed files with 58 additions and 0 deletions
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58
Projekte/battleship/model/src/main/java/pp/battleship/game/server/ServerGameLogic.java
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@@ -17,10 +17,14 @@
import pp.battleship.message.server.StartBattleMessage;
import pp.battleship.model.Battleship;
import pp.battleship.model.IntPoint;
import pp.battleship.model.Rotation;
import pp.util.Position;
import java.lang.System.Logger;
import java.lang.System.Logger.Level;
import java.lang.reflect.Array;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
@@ -142,10 +146,64 @@ public Player addPlayer(int id) {
public void received(MapMessage msg, int from) {
if (state != ServerState.SET_UP)
LOGGER.log(Level.ERROR, "playerReady not allowed in {0}", state); //NON-NLS
else if (checkMap(msg, from))
LOGGER.log(Level.ERROR, "player submitted not allowed Map");
else
playerReady(getPlayerById(from), msg.getShips());
}
/**
* Returns true if the map contains correct ship placement and is of the correct size
*
* @param msg the received MapMessage of the player
* @param from the ID of the Player
* @return a boolean based on if the transmitted map ist correct
*/
private boolean checkMap(MapMessage msg, int from) {
int mapWidth = getPlayerById(from).getMap().getWidth();
int mapHeight = getPlayerById(from).getMap().getHeight();
if (mapHeight != 10 || mapWidth != 10)
return false;
// check if ship is out of bounds
for (int i = 0; i < msg.getShips().size(); i++){
Battleship battleship = msg.getShips().get(i);
if (battleship.getMaxX() >= mapWidth || battleship.getMinX() < 0 || battleship.getMaxY() >= mapHeight || battleship.getMinY() < 0) {
LOGGER.log(Level.ERROR, "Ship is out of bounds ({0})", battleship.toString());
return false;
}
}
// check if ships overlap
int[][] tempMap = new int[mapWidth][mapHeight];
for (int[] row : tempMap)
Arrays.fill(row, 0);
msg.getShips().forEach(s -> {
int deltaX = s.getMaxX()-s.getMinX();
int deltaY = s.getMaxY()-s.getMinY();
int lastX = s.getX();
int lastY = s.getY();
tempMap[lastX][lastY] += 1;
for (int i = 0; i < deltaX-1; i++)
for (int j = 0; j < deltaY-1; j++) {
tempMap[lastX + (deltaX / Math.abs(deltaX))][lastY + (deltaY / Math.abs(deltaY))] += 1;
lastX = lastX + (deltaX / Math.abs(deltaX));
lastY = lastY + (deltaY / Math.abs(deltaY));
}
});
for (int[] row : tempMap){
for(int cell : row){
if (cell > 1){
LOGGER.log(Level.ERROR, "There are multiple ships on one position");
return false;
}
}
}
return true;
}
/**
* Handles the reception of a ShootMessage.
*