/**
* Update the cached values for players velocity to be prepared to give them additional movement
* freedom in their next move events
*
* @param v
* @param data
*/
public void updateVelocity(Vector v, MovingData data) {
// Compare the velocity vector to the existing movement freedom that we've from previous events
double tmp = (Math.abs(v.getX()) + Math.abs(v.getZ())) * 3D;
if (tmp > data.horizFreedom) data.horizFreedom = tmp;
if (v.getY() > data.maxYVelocity) {
data.maxYVelocity = v.getY();
}
}
/**
* The actual check. First find out if the event needs to be handled at all Second check if the
* player moved too far horizontally Third check if the player moved too high vertically Fourth
* treat any occured violations as configured
*
* @param event
*/
public Location check(Player player, Location from, Location to, MovingData data) {
updateVelocity(player.getVelocity(), data);
Location newToLocation = null;
final long startTime = System.nanoTime();
/** *********** DECIDE WHICH CHECKS NEED TO BE RUN ************ */
final boolean flyCheck =
!allowFlying && !plugin.hasPermission(player, PermissionData.PERMISSION_FLYING, checkOPs);
final boolean runCheck = true;
/** *************** REFINE EVENT DATA FOR CHECKS ************** */
if (flyCheck || runCheck) {
// In both cases it will be interesting to know the type of underground the player
// is in or goes to
final int fromType =
helper.isLocationOnGround(from.getWorld(), from.getX(), from.getY(), from.getZ(), false);
final int toType =
helper.isLocationOnGround(to.getWorld(), to.getX(), to.getY(), to.getZ(), false);
final boolean fromOnGround = fromType != MovingEventHelper.NONSOLID;
final boolean toOnGround = toType != MovingEventHelper.NONSOLID;
// Distribute data to checks in the form needed by the checks
/** ******************* EXECUTE THE CHECKS ******************* */
double result = 0.0D;
if (flyCheck) {
result += Math.max(0D, flyingCheck.check(player, from, fromOnGround, to, toOnGround, data));
}
if (runCheck) {
result +=
Math.max(
0D,
runningCheck.check(
from,
to,
!allowFakeSneak && player.isSneaking(),
!allowFastSwim && (fromType & toType & MovingEventHelper.LIQUID) > 0,
data));
}
/** ******* HANDLE/COMBINE THE RESULTS OF THE CHECKS ********** */
data.jumpPhase++;
if (result <= 0) {
if (fromOnGround) {
data.setBackPoint = from;
data.jumpPhase = 0;
} else if (toOnGround) {
data.jumpPhase = 0;
}
} else if (result > 0) {
// Increment violation counter
data.violationLevel += result;
if (data.setBackPoint == null) data.setBackPoint = from;
}
if (result > 0 && data.violationLevel > 1) {
setupSummaryTask(player, data);
int level = limitCheck(data.violationLevel - 1);
data.violationsInARow[level]++;
newToLocation =
action(player, from, to, actions[level], data.violationsInARow[level], data);
}
}
// Slowly reduce the level with each event
data.violationLevel *= 0.97;
data.horizFreedom *= 0.97;
statisticElapsedTimeNano += System.nanoTime() - startTime;
statisticTotalEvents++;
return newToLocation;
}