mirror of https://github.com/cabaletta/baritone
123 lines
3.6 KiB
Java
123 lines
3.6 KiB
Java
/*
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* This file is part of Baritone.
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*
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* Baritone is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser 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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* Baritone 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 Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with Baritone. If not, see <https://www.gnu.org/licenses/>.
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*/
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package baritone.process;
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import baritone.Baritone;
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import baritone.api.pathing.goals.Goal;
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import baritone.api.pathing.goals.GoalComposite;
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import baritone.api.pathing.goals.GoalNear;
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import baritone.api.pathing.goals.GoalXZ;
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import baritone.api.process.IFollowProcess;
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import baritone.api.process.PathingCommand;
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import baritone.api.process.PathingCommandType;
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import baritone.utils.BaritoneProcessHelper;
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import net.minecraft.entity.Entity;
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import net.minecraft.util.math.BlockPos;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.function.Predicate;
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import java.util.stream.Collectors;
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import java.util.stream.Stream;
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/**
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* Follow an entity
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*
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* @author leijurv
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*/
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public final class FollowProcess extends BaritoneProcessHelper implements IFollowProcess {
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private Predicate<Entity> filter;
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private List<Entity> cache;
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public FollowProcess(Baritone baritone) {
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super(baritone, 1);
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}
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@Override
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public PathingCommand onTick(boolean calcFailed, boolean isSafeToCancel) {
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scanWorld();
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Goal goal = new GoalComposite(cache.stream().map(this::towards).toArray(Goal[]::new));
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return new PathingCommand(goal, PathingCommandType.REVALIDATE_GOAL_AND_PATH);
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}
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private Goal towards(Entity following) {
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BlockPos pos;
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if (Baritone.settings().followOffsetDistance.get() == 0) {
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pos = new BlockPos(following);
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} else {
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GoalXZ g = GoalXZ.fromDirection(following.getPositionVector(), Baritone.settings().followOffsetDirection.get(), Baritone.settings().followOffsetDistance.get());
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pos = new BlockPos(g.getX(), following.posY, g.getZ());
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}
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return new GoalNear(pos, Baritone.settings().followRadius.get());
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}
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private boolean followable(Entity entity) {
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if (entity == null) {
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return false;
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}
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if (entity.isDead) {
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return false;
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}
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if (entity.equals(ctx.player())) {
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return false;
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}
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return ctx.world().loadedEntityList.contains(entity);
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}
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private void scanWorld() {
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cache = Stream.of(ctx.world().loadedEntityList, ctx.world().playerEntities).flatMap(List::stream).filter(this::followable).filter(this.filter).distinct().collect(Collectors.toCollection(ArrayList::new));
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}
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@Override
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public boolean isActive() {
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if (filter == null) {
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return false;
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}
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scanWorld();
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return !cache.isEmpty();
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}
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@Override
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public void onLostControl() {
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filter = null;
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cache = null;
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}
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@Override
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public String displayName() {
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return "Follow " + cache;
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}
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@Override
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public void follow(Predicate<Entity> filter) {
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this.filter = filter;
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}
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@Override
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public List<Entity> following() {
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return cache;
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}
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@Override
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public Predicate<Entity> currentFilter() {
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return filter;
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}
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}
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