58 lines
2.2 KiB
Java
58 lines
2.2 KiB
Java
package net.minecraft.world.entity.ai.sensing;
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import com.google.common.collect.ImmutableSet;
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import java.util.Comparator;
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import java.util.List;
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import java.util.Set;
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import java.util.function.Predicate;
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import java.util.stream.Collectors;
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import net.minecraft.server.level.ServerLevel;
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import net.minecraft.world.entity.EntitySelector;
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import net.minecraft.world.entity.PathfinderMob;
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import net.minecraft.world.entity.ai.Brain;
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import net.minecraft.world.entity.ai.attributes.Attributes;
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import net.minecraft.world.entity.ai.memory.MemoryModuleType;
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import net.minecraft.world.entity.ai.targeting.TargetingConditions;
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import net.minecraft.world.entity.player.Player;
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import net.minecraft.world.item.ItemStack;
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public class TemptingSensor extends Sensor<PathfinderMob> {
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private static final TargetingConditions TEMPT_TARGETING = TargetingConditions.forNonCombat().ignoreLineOfSight();
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private final Predicate<ItemStack> temptations;
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public TemptingSensor(Predicate<ItemStack> temptations) {
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this.temptations = temptations;
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}
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protected void doTick(ServerLevel serverLevel, PathfinderMob pathfinderMob) {
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Brain<?> brain = pathfinderMob.getBrain();
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TargetingConditions targetingConditions = TEMPT_TARGETING.copy().range((float)pathfinderMob.getAttributeValue(Attributes.TEMPT_RANGE));
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List<Player> list = (List<Player>)serverLevel.players()
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.stream()
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.filter(EntitySelector.NO_SPECTATORS)
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.filter(serverPlayer -> targetingConditions.test(serverLevel, pathfinderMob, serverPlayer))
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.filter(this::playerHoldingTemptation)
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.filter(serverPlayer -> !pathfinderMob.hasPassenger(serverPlayer))
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.sorted(Comparator.comparingDouble(pathfinderMob::distanceToSqr))
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.collect(Collectors.toList());
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if (!list.isEmpty()) {
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Player player = (Player)list.get(0);
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brain.setMemory(MemoryModuleType.TEMPTING_PLAYER, player);
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} else {
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brain.eraseMemory(MemoryModuleType.TEMPTING_PLAYER);
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}
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}
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private boolean playerHoldingTemptation(Player player) {
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return this.isTemptation(player.getMainHandItem()) || this.isTemptation(player.getOffhandItem());
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}
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private boolean isTemptation(ItemStack stack) {
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return this.temptations.test(stack);
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}
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@Override
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public Set<MemoryModuleType<?>> requires() {
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return ImmutableSet.of(MemoryModuleType.TEMPTING_PLAYER);
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}
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}
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