83 lines
2.8 KiB
Java
83 lines
2.8 KiB
Java
/*
|
|
* This file is part of Player Analytics (Plan).
|
|
*
|
|
* Plan is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Lesser General Public License v3 as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* Plan 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 Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License
|
|
* along with Plan. If not, see <https://www.gnu.org/licenses/>.
|
|
*/
|
|
package net.playeranalytics.plan.gathering;
|
|
|
|
import java.util.HashMap;
|
|
import java.util.Map;
|
|
import java.util.UUID;
|
|
import java.util.concurrent.locks.ReentrantLock;
|
|
|
|
public class FabricPlayerPositionTracker {
|
|
private static final ReentrantLock WRITE_LOCK = new ReentrantLock();
|
|
private static final Map<UUID, double[]> POSITIONS = new HashMap<>();
|
|
|
|
private static final double[] EMPTY_POSITION = new double[5];
|
|
|
|
private FabricPlayerPositionTracker() {
|
|
// Static method class
|
|
}
|
|
|
|
public static void removePlayer(UUID playerUUID) {
|
|
try {
|
|
WRITE_LOCK.lock();
|
|
POSITIONS.remove(playerUUID);
|
|
} finally {
|
|
WRITE_LOCK.unlock();
|
|
}
|
|
}
|
|
|
|
public static double[] getPosition(UUID playerUUID) {
|
|
return POSITIONS.getOrDefault(playerUUID, EMPTY_POSITION);
|
|
}
|
|
|
|
public static boolean moved(UUID playerUUID, double x, double y, double z, float yaw, float pitch) {
|
|
double[] previous = POSITIONS.get(playerUUID);
|
|
if (isDifferent(previous, x, y, z, yaw, pitch)) {
|
|
writeNewPosition(playerUUID, x, y, z, yaw, pitch, previous);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
private static void writeNewPosition(UUID playerUUID, double x, double y, double z, float yaw, float pitch, double[] previous) {
|
|
try {
|
|
WRITE_LOCK.lock();
|
|
if (previous == null) {
|
|
previous = new double[5];
|
|
POSITIONS.put(playerUUID, previous);
|
|
}
|
|
previous[0] = x;
|
|
previous[1] = y;
|
|
previous[2] = z;
|
|
previous[3] = yaw;
|
|
previous[4] = pitch;
|
|
|
|
} finally {
|
|
WRITE_LOCK.unlock();
|
|
}
|
|
}
|
|
|
|
private static boolean isDifferent(double[] previous, double x, double y, double z, float yaw, float pitch) {
|
|
return previous == null
|
|
|| Double.compare(previous[0], x) != 0
|
|
|| Double.compare(previous[1], y) != 0
|
|
|| Double.compare(previous[2], z) != 0
|
|
|| Double.compare(previous[3], yaw) != 0
|
|
|| Double.compare(previous[4], pitch) != 0;
|
|
}
|
|
}
|