169 lines
7.3 KiB
Java
169 lines
7.3 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.inventory;
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import org.bukkit.Material;
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import org.bukkit.entity.Player;
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import org.bukkit.event.EventHandler;
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import org.bukkit.event.EventPriority;
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import org.bukkit.event.Listener;
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import org.bukkit.event.player.PlayerItemConsumeEvent;
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import org.bukkit.inventory.ItemStack;
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import fr.neatmonster.nocheatplus.NCPAPIProvider;
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import fr.neatmonster.nocheatplus.actions.ParameterName;
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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.checks.ViolationData;
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import fr.neatmonster.nocheatplus.compat.AlmostBoolean;
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import fr.neatmonster.nocheatplus.compat.BridgeHealth;
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import fr.neatmonster.nocheatplus.components.config.value.OverrideType;
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import fr.neatmonster.nocheatplus.components.registry.feature.INotifyReload;
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import fr.neatmonster.nocheatplus.logging.StaticLog;
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import fr.neatmonster.nocheatplus.players.DataManager;
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import fr.neatmonster.nocheatplus.players.IPlayerData;
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import fr.neatmonster.nocheatplus.stats.Counters;
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import fr.neatmonster.nocheatplus.utilities.InventoryUtil;
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import fr.neatmonster.nocheatplus.utilities.TickTask;
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/**
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* Quick replacement for InstantEat, partly reusing InstantEat data.<br>
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* This check is added by fr.neatmonster.nocheatplus.compat.DefaultComponentFactory.
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* @author mc_dev
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*
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*/
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public class FastConsume extends Check implements Listener, INotifyReload {
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public static void testAvailability(){
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if (!PlayerItemConsumeEvent.class.getSimpleName().equals("PlayerItemConsumeEvent")){
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throw new RuntimeException("This exception should not even get thrown.");
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}
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}
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private final Counters counters = NCPAPIProvider.getNoCheatPlusAPI().getGenericInstance(Counters.class);
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private final int idCancelDead = counters.registerKey("cancel.dead");
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public FastConsume() {
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super(CheckType.INVENTORY_FASTCONSUME);
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// Overrides the instant-eat check.
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disableInstantEat();
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}
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private void disableInstantEat() {
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// TODO: Do this kind of thing via registries later on.
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//ConfigManager.setForAllConfigs(ConfPaths.INVENTORY_INSTANTEAT_CHECK, false);
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NCPAPIProvider.getNoCheatPlusAPI().getWorldDataManager().overrideCheckActivation(
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this.type, AlmostBoolean.NO, OverrideType.PERMANENT, true);
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StaticLog.logInfo("Inventory checks: FastConsume is available, disabled InstantEat.");
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}
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@EventHandler(priority = EventPriority.LOWEST, ignoreCancelled = true)
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public void onItemConsume(final PlayerItemConsumeEvent event){
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final Player player = event.getPlayer();
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if (player.isDead() && BridgeHealth.getHealth(player) <= 0.0) {
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// Eat after death.
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event.setCancelled(true);
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counters.addPrimaryThread(idCancelDead, 1);
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return;
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}
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final IPlayerData pData = DataManager.getPlayerData(player);
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if (!pData.isCheckActive(type, player)) {
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return;
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}
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final InventoryData data = pData.getGenericInstance(InventoryData.class);
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final long time = System.currentTimeMillis();
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if (check(player, event.getItem(), time, data, pData)){
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event.setCancelled(true);
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DataManager.getPlayerData(player).requestUpdateInventory();
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}
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}
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private boolean check(final Player player, final ItemStack stack,
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final long time, final InventoryData data, final IPlayerData pData){
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// Uses the instant-eat data for convenience.
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// Consistency checks...
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if (stack == null){ // || stack.getType() != data.instantEatFood){
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// TODO: Strict version should prevent other material (?).
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return false;
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}
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final long ref = data.instantEatInteract == 0 ? 0 : Math.max(data.instantEatInteract, data.lastClickTime);
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if (time < ref){
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// Time ran backwards.
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data.instantEatInteract = data.lastClickTime = time;
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return false;
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}
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// Check exceptions.
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final InventoryConfig cc = pData.getGenericInstance(InventoryConfig.class);
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final Material mat = stack == null ? null : stack.getType();
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if (mat != null){
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if (cc.fastConsumeWhitelist){
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if (!cc.fastConsumeItems.contains(mat)){
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return false;
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}
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}
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else if (cc.fastConsumeItems.contains(mat)){
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return false;
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}
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}
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// Actually check.
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final long timeSpent = ref == 0 ? 0 : (time - ref); // Not interact = instant.
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final long expectedDuration = cc.fastConsumeDuration;
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boolean cancel = false;
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if (timeSpent < expectedDuration){
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// TODO: Might have to do a specialized check for lag spikes here instead.
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final float lag = TickTask.getLag(expectedDuration, true);
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if (timeSpent * lag < expectedDuration){
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final double difference = (expectedDuration - timeSpent * lag) / 100.0;
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data.instantEatVL += difference;
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final ViolationData vd = new ViolationData(this, player, data.instantEatVL, difference, cc.fastConsumeActions);
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vd.setParameter(ParameterName.FOOD, "" + mat);
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if (data.instantEatFood != mat){
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vd.setParameter(ParameterName.TAGS, "inconsistent(" + data.instantEatFood + ")");
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}
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else{
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vd.setParameter(ParameterName.TAGS, "");
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}
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if (executeActions(vd).willCancel()){
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cancel = true;
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}
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}
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}
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else{
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data.instantEatVL *= 0.6;
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}
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// Reset interaction.
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if (cancel) {
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// Fake interaction to prevent violation loops with false positives.
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final ItemStack actualStack = InventoryUtil.getFirstConsumableItemInHand(player);
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data.instantEatFood = actualStack == null ? null : actualStack.getType();
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// TODO: Allows some abuse: 1. try instantly eat (cancelled) 2. consume item directly when needed.
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}
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else {
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if (pData.isDebugActive(type)) {
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debug(player, "PlayerItemConsumeEvent, reset fastconsume: " + data.instantEatFood);
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}
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data.instantEatFood = null;
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}
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data.instantEatInteract = time;
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return cancel;
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}
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@Override
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public void onReload() {
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disableInstantEat();
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}
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}
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