/**
* @param player
* @param from
* @param to
* @param data
* @param cc
* @param time Milliseconds.
* @return
*/
public Location check(
final Player player,
final PlayerLocation from,
final PlayerLocation to,
final MovingData data,
final MovingConfig cc,
final long time,
final boolean useBlockChangeTracker) {
// Reset tags, just in case.
tags.clear();
// Some edge data for this move.
final GameMode gameMode = player.getGameMode();
final ModelFlying model = cc.getModelFlying(player, from);
final PlayerMoveData thisMove = data.playerMoves.getCurrentMove();
// if (!data.thisMove.from.extraPropertiesValid) {
// // TODO: Confine by model config flag or just always do [if the latter: do it in
// the listener]?
// data.thisMove.setExtraProperties(from, to);
// }
thisMove.modelFlying = model;
final PlayerMoveData lastMove = data.playerMoves.getFirstPastMove();
// Calculate some distances.
final double yDistance = thisMove.yDistance;
final double hDistance = thisMove.hDistance;
final boolean flying = gameMode == BridgeMisc.GAME_MODE_SPECTATOR || player.isFlying();
final boolean sprinting = time <= data.timeSprinting + cc.sprintingGrace;
// Lost ground, if set so.
if (model.ground) {
MovingUtil.prepareFullCheck(from, to, thisMove, Math.max(cc.yOnGround, cc.noFallyOnGround));
if (!thisMove.from.onGroundOrResetCond) {
if (from.isSamePos(to)) {
if (lastMove.toIsValid
&& lastMove.hDistance > 0.0
&& lastMove.yDistance < -0.3 // Copy and paste from sf.
&& LostGround.lostGroundStill(
player, from, to, hDistance, yDistance, sprinting, lastMove, data, cc, tags)) {
// Nothing to do.
}
} else if (LostGround.lostGround(
player,
from,
to,
hDistance,
yDistance,
sprinting,
lastMove,
data,
cc,
useBlockChangeTracker ? blockChangeTracker : null,
tags)) {
// Nothing to do.
}
}
}
// Horizontal distance check.
double[] resH =
hDist(
player, from, to, hDistance, yDistance, sprinting, flying, lastMove, time, model, data,
cc);
double limitH = resH[0];
double resultH = resH[1];
// Check velocity.
if (resultH > 0) {
double hFreedom = data.getHorizontalFreedom();
if (hFreedom < resultH) {
// Use queued velocity if possible.
hFreedom += data.useHorizontalVelocity(resultH - hFreedom);
}
if (hFreedom > 0.0) {
resultH = Math.max(0.0, resultH - hFreedom);
if (resultH <= 0.0) {
limitH = hDistance;
}
tags.add("hvel");
}
} else {
data.clearActiveHorVel(); // TODO: test/check !
}
resultH *= 100.0; // Normalize to % of a block.
if (resultH > 0.0) {
tags.add("hdist");
}
// Vertical move.
double limitV = 0.0; // Limit.
double resultV = 0.0; // Violation (normalized to 100 * 1 block, applies if > 0.0).
// Distinguish checking method by y-direction of the move.
if (yDistance > 0.0) {
// Ascend.
double[] res = vDistAscend(from, to, yDistance, flying, thisMove, lastMove, model, data, cc);
resultV = Math.max(resultV, res[1]);
limitV = res[0];
} else if (yDistance < 0.0) {
// Descend.
double[] res = vDistDescend(from, to, yDistance, flying, lastMove, model, data, cc);
resultV = Math.max(resultV, res[1]);
limitV = res[0];
} else {
// Keep altitude.
double[] res = vDistZero(from, to, yDistance, flying, lastMove, model, data, cc);
resultV = Math.max(resultV, res[1]);
limitV = res[0];
}
// Velocity.
if (resultV > 0.0 && data.getOrUseVerticalVelocity(yDistance) != null) {
resultV = 0.0;
tags.add("vvel");
}
// Add tag for maximum height check (silent set back).
final double maximumHeight = model.maxHeight + player.getWorld().getMaxHeight();
if (to.getY() > maximumHeight) {
// TODO: Allow use velocity there (would need a flag to signal the actual check below)?
tags.add("maxheight");
}
resultV *= 100.0; // Normalize to % of a block.
if (resultV > 0.0) {
tags.add("vdist");
}
final double result = Math.max(0.0, resultH) + Math.max(0.0, resultV);
if (data.debug) {
outpuDebugMove(player, hDistance, limitH, yDistance, limitV, model, tags, data);
}
// Violation handling.
Location setBack = null; // Might get altered below.
if (result > 0.0) {
// Increment violation level.
data.creativeFlyVL += result;
// Execute whatever actions are associated with this check and the violation level and find
// out if we
// should cancel the event.
final ViolationData vd =
new ViolationData(this, player, data.creativeFlyVL, result, cc.creativeFlyActions);
if (vd.needsParameters()) {
vd.setParameter(
ParameterName.LOCATION_FROM,
String.format(Locale.US, "%.2f, %.2f, %.2f", from.getX(), from.getY(), from.getZ()));
vd.setParameter(
ParameterName.LOCATION_TO,
String.format(Locale.US, "%.2f, %.2f, %.2f", to.getX(), to.getY(), to.getZ()));
vd.setParameter(
ParameterName.DISTANCE, String.format(Locale.US, "%.2f", TrigUtil.distance(from, to)));
if (!tags.isEmpty()) {
vd.setParameter(ParameterName.TAGS, StringUtil.join(tags, "+"));
}
}
if (executeActions(vd).willCancel()) {
// Compose a new location based on coordinates of "newTo" and viewing direction of
// "event.getTo()"
// to allow the player to look somewhere else despite getting pulled back by NoCheatPlus.
setBack = data.getSetBack(to);
}
} else {
// Maximum height check (silent set back).
if (to.getY() > maximumHeight) {
setBack = data.getSetBack(to);
}
if (setBack == null) {
// Slowly reduce the violation level with each event.
data.creativeFlyVL *= 0.97;
}
}
// Return setBack, if set.
if (setBack != null) {
// Check for max height of the set-back.
if (setBack.getY() > maximumHeight) {
// Correct the y position.
setBack.setY(getCorrectedHeight(maximumHeight, setBack.getWorld()));
if (data.debug) {
debug(player, "Maximum height exceeded by set-back, correct to: " + setBack.getY());
}
}
data.sfJumpPhase = 0;
return setBack;
} else {
// Adjust the set-back and other last distances.
data.setSetBack(to);
// Adjust jump phase.
if (!thisMove.from.onGroundOrResetCond && !thisMove.to.onGroundOrResetCond) {
data.sfJumpPhase++;
} else if (thisMove.touchedGround && !thisMove.to.onGroundOrResetCond) {
data.sfJumpPhase = 1;
} else {
data.sfJumpPhase = 0;
}
return null;
}
}
/**
* @param player
* @param from
* @param to
* @param hDistance
* @param yDistance
* @param flying
* @param lastMove
* @param time
* @param model
* @param data
* @param cc
* @return limitH, resultH (not normalized).
*/
private double[] hDist(
final Player player,
final PlayerLocation from,
final PlayerLocation to,
final double hDistance,
final double yDistance,
final boolean sprinting,
final boolean flying,
final PlayerMoveData lastMove,
final long time,
final ModelFlying model,
final MovingData data,
final MovingConfig cc) {
// Modifiers.
double fSpeed;
// TODO: Make this configurable ! [Speed effect should not affect flying if not on ground.]
if (model.applyModifiers) {
final double speedModifier = mcAccess.getHandle().getFasterMovementAmplifier(player);
if (speedModifier == Double.NEGATIVE_INFINITY) {
fSpeed = 1.0;
} else {
fSpeed = 1.0 + 0.2 * (speedModifier + 1.0);
}
if (flying) {
// TODO: Consider mechanics for flying backwards.
fSpeed *= data.flySpeed / 0.1;
if (sprinting) {
// TODO: Prevent for pre-1.8?
fSpeed *= model.hModSprint;
tags.add("sprint");
}
tags.add("flying");
} else {
// (Ignore sprinting here).
fSpeed *= data.walkSpeed / 0.2;
}
} else {
fSpeed = 1.0;
}
double limitH = model.hModSpeed / 100.0 * ModelFlying.HORIZONTAL_SPEED * fSpeed;
if (lastMove.toIsValid) {
// TODO: Use last friction (as well)?
// TODO: Test/adjust more.
double frictionDist = lastMove.hDistance * Magic.FRICTION_MEDIUM_AIR;
limitH = Math.max(frictionDist, limitH);
tags.add("hfrict");
}
// Finally, determine how far the player went beyond the set limits.
// double resultH = Math.max(0.0.0, hDistance - data.horizontalFreedom - limitH);
double resultH = Math.max(0.0, hDistance - limitH);
if (model.applyModifiers) {
data.bunnyhopDelay--;
if (!flying && resultH > 0 && sprinting) {
// TODO: Flying and bunnyhop ? <- 8 blocks per second - could be a case.
// Try to treat it as a the "bunnyhop" problem. The bunnyhop problem is that landing and
// immediately jumping
// again leads to a player moving almost twice as far in that step.
// TODO: Real modeling for that kind of moving pattern (same with sf?).
if (data.bunnyhopDelay <= 0 && resultH < 0.4) {
data.bunnyhopDelay = 9;
resultH = 0.0;
tags.add("bunnyhop");
}
}
}
return new double[] {limitH, resultH};
}