99 lines
4.0 KiB
Java
99 lines
4.0 KiB
Java
/*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package fr.neatmonster.nocheatplus.checks.blockbreak;
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import org.bukkit.GameMode;
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import org.bukkit.entity.Player;
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import fr.neatmonster.nocheatplus.checks.Check;
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import fr.neatmonster.nocheatplus.checks.CheckType;
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import fr.neatmonster.nocheatplus.players.IPlayerData;
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import fr.neatmonster.nocheatplus.utilities.TickTask;
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/**
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* This checks just limits the number of blocks broken per time frame.
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* @author mc_dev
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*
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*/
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public class Frequency extends Check {
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public Frequency() {
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super(CheckType.BLOCKBREAK_FREQUENCY);
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}
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public boolean check(final Player player, final int tick,
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final BlockBreakConfig cc, final BlockBreakData data,
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final IPlayerData pData){
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final float interval = (float) ((player.getGameMode() == GameMode.CREATIVE)?(cc.frequencyIntervalCreative):(cc.frequencyIntervalSurvival));
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data.frequencyBuckets.add(System.currentTimeMillis(), interval);
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// Full period frequency.
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final float fullScore = data.frequencyBuckets.score(cc.frequencyBucketFactor);
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final long fullTime = cc.frequencyBucketDur * cc.frequencyBuckets;
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final boolean lag = pData.getCurrentWorldData().shouldAdjustToLag(type);
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// Short term arrivals.
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if (tick < data.frequencyShortTermTick){
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// Tick task got reset.
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data.frequencyShortTermTick = tick;
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data.frequencyShortTermCount = 1;
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}
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else if (tick - data.frequencyShortTermTick < cc.frequencyShortTermTicks){
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// Account for server side lag.
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final float stLag = lag ? TickTask.getLag(50L * (tick - data.frequencyShortTermTick), true) : 1f;
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if (stLag < 1.5){
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// Within range, add.
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data.frequencyShortTermCount ++;
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}
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else{
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// Too much lag, reset.
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data.frequencyShortTermTick = tick;
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data.frequencyShortTermCount = 1;
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}
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}
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else{
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data.frequencyShortTermTick = tick;
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data.frequencyShortTermCount = 1;
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}
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// Account for server side lag.
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final float fullLag = lag ? TickTask.getLag(fullTime, true) : 1f;
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// Find if one of both or both are violations:
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final float fullViolation = (fullScore > fullTime * fullLag) ? (fullScore - fullTime * fullLag) : 0;
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final float shortTermWeight = 50f * cc.frequencyShortTermTicks / (float) cc.frequencyShortTermLimit;
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final float shortTermViolation = (data.frequencyShortTermCount > cc.frequencyShortTermLimit)
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? (data.frequencyShortTermCount - cc.frequencyShortTermLimit) * shortTermWeight : 0;
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// TODO: AUTO INDENT?
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final float violation = Math.max(fullViolation, shortTermViolation);
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boolean cancel = false;
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if (violation > 0f){
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// TODO: account for lag spikes !
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final double change = violation / 1000;
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data.frequencyVL += change;
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cancel = executeActions(player, data.frequencyVL, change, cc.frequencyActions).willCancel();
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}
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else if (data.frequencyVL > 0d && fullScore < fullTime * .75)
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data.frequencyVL *= 0.95;
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return cancel;
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}
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}
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