NoCheatPlus/NCPCore/src/main/java/fr/neatmonster/nocheatplus/checks/fight/FightData.java

/*
 * This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation, either version 3 of the License, or
 *   (at your option) any later version.
 *
 *   This program 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 General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package fr.neatmonster.nocheatplus.checks.fight;

import java.util.LinkedList;

import fr.neatmonster.nocheatplus.checks.CheckType;
import fr.neatmonster.nocheatplus.checks.access.ACheckData;
import fr.neatmonster.nocheatplus.checks.access.IRemoveSubCheckData;
import fr.neatmonster.nocheatplus.utilities.PenaltyTime;
import fr.neatmonster.nocheatplus.utilities.ds.count.ActionFrequency;

/**
 * Player specific data for the fight checks.
 */
public class FightData extends ACheckData implements IRemoveSubCheckData {

    // Violation levels.
    public double                  angleVL;
    public double                  criticalVL;
    public double                  directionVL;
    public double                  fastHealVL;
    public double                  godModeVL;
    public double                  noSwingVL;
    public double                  reachVL;
    public double                  speedVL;
    public double                  wrongTurnVL;

    // Shared
    public String lastWorld			= "";
    public int lastAttackTick		= 0;
    public double lastAttackedX		= Double.MAX_VALUE;
    public double lastAttackedY;
    public double lastAttackedZ;

    /** Attack penalty (close combat, ENTITY_ATTACK). */
    public final PenaltyTime attackPenalty = new PenaltyTime();

    /** The entity id  which might get counter-attacked. */
    public int thornsId = Integer.MIN_VALUE;

    // 1.9: Sweep attack.
    /**
     * The tick of an attack that might lead to further sweep damage to other
     * nearby entities.
     */
    public int sweepTick = 0;
    /** Hash code of the location of last sweep attack. */
    public int sweepLocationHashCode = 0;

    /** Any kind of health regeneration. */
    public long regainHealthTime    = 0;
    //    public double lastAttackedDist = 0.0;
    public long damageTakenByEntityTick;

    // Data of the angle check.
    public LinkedList<Angle.AttackLocation> angleHits = new LinkedList<Angle.AttackLocation>();

    // FastHeal
    public long					   fastHealRefTime = 0;
    /** Buffer has to be initialized in constructor. */
    public long					   fastHealBuffer = 0;

    // Old god mode check.
    public int                     godModeBuffer;
    public int                     godModeLastAge;
    public long                    godModeLastTime;

    // New god mode check [in progress].
    public int					   godModeHealthDecreaseTick 	= 0;
    public double                  godModeHealth       			= 0.0;
    public int                     lastDamageTick 				= 0;
    public int                     lastNoDamageTicks 			= 0;
    /** Accumulator. */
    public int					   godModeAcc 					= 0;

    // Data of the no swing check.
    public boolean                 noSwingArmSwung = true; // TODO: First is free for now, 1.12.2, other?

    // Data of the reach check.
    public double                  reachMod = 1.0;

    // Data of the SelfHit check.
    public ActionFrequency selfHitVL = new ActionFrequency(6, 5000);

    // Data of the frequency check.
    public final ActionFrequency   speedBuckets;
    public int                     speedShortTermCount;
    public int                     speedShortTermTick;

    // TNT workaround: Allow ENTITY_ATTACK if these attributes match.
    // Discussion at: https://github.com/NoCheatPlus/NoCheatPlus/pull/17 (@Iceee)
    /** Tick the last explosion damage was dealt at. */
    public int						lastExplosionDamageTick	= -1 ;
    /** Last explosion damaged entity (id). */
    public int						lastExplosionEntityId	= Integer.MAX_VALUE;


    public FightData(final FightConfig config){
        speedBuckets = new ActionFrequency(config.speedBuckets, config.speedBucketDur);
        // Start with full fast-heal buffer.
        fastHealBuffer = config.fastHealBuffer; 
    }

    @Override
    public boolean removeSubCheckData(final CheckType checkType) {
        switch(checkType) {
            // TODO: case FIGHT: ...
            case FIGHT_DIRECTION:
                directionVL = 0;
                return true;
            case FIGHT_REACH:
                reachVL = 0;
                reachMod = 1.0;
                return true;
            case FIGHT_ANGLE:
                angleVL = 0;
                angleHits.clear();
                return true;
            case FIGHT_SPEED:
                speedVL = 0;
                speedBuckets.clear(System.currentTimeMillis());
                speedShortTermCount = 0;
                speedShortTermTick = 0;
                return true;
            case FIGHT_FASTHEAL:
                fastHealVL = 0;
                fastHealRefTime = 0;
                fastHealBuffer = 0;
                regainHealthTime = 0;
                return true;
            case FIGHT_GODMODE:
                godModeVL = 0;
                godModeBuffer = 0;
                godModeAcc = 0;
                godModeLastTime = 0;
                godModeLastAge = 0;
                lastNoDamageTicks = 0; // Not sure here, possibly a shared thing.
                // godModeHealth / ...
                return true;
            case FIGHT_CRITICAL:
                criticalVL = 0;
                return true;
            case FIGHT_NOSWING:
                noSwingVL = 0;
                // Not reset time, for leniency rather.
                return true;
            case FIGHT_SELFHIT:
                selfHitVL.clear(System.currentTimeMillis());
                return true;
            default:
                return false;
        }
    }

    public void onWorldChange() {
        angleHits.clear();
        lastAttackedX = Double.MAX_VALUE;
        lastAttackTick = 0;
        lastWorld = "";
    }

}