baritone/src/main/java/baritone/process/FollowProcess.java

123 lines
3.6 KiB
Java

/*
* This file is part of Baritone.
*
* Baritone is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Baritone 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Baritone. If not, see <https://www.gnu.org/licenses/>.
*/
package baritone.process;
import baritone.Baritone;
import baritone.api.pathing.goals.Goal;
import baritone.api.pathing.goals.GoalComposite;
import baritone.api.pathing.goals.GoalNear;
import baritone.api.pathing.goals.GoalXZ;
import baritone.api.process.IFollowProcess;
import baritone.api.process.PathingCommand;
import baritone.api.process.PathingCommandType;
import baritone.utils.BaritoneProcessHelper;
import net.minecraft.entity.Entity;
import net.minecraft.util.math.BlockPos;
import java.util.ArrayList;
import java.util.List;
import java.util.function.Predicate;
import java.util.stream.Collectors;
import java.util.stream.Stream;
/**
* Follow an entity
*
* @author leijurv
*/
public final class FollowProcess extends BaritoneProcessHelper implements IFollowProcess {
private Predicate<Entity> filter;
private List<Entity> cache;
public FollowProcess(Baritone baritone) {
super(baritone, 1);
}
@Override
public PathingCommand onTick(boolean calcFailed, boolean isSafeToCancel) {
scanWorld();
Goal goal = new GoalComposite(cache.stream().map(this::towards).toArray(Goal[]::new));
return new PathingCommand(goal, PathingCommandType.REVALIDATE_GOAL_AND_PATH);
}
private Goal towards(Entity following) {
BlockPos pos;
if (Baritone.settings().followOffsetDistance.get() == 0) {
pos = new BlockPos(following);
} else {
GoalXZ g = GoalXZ.fromDirection(following.getPositionVector(), Baritone.settings().followOffsetDirection.get(), Baritone.settings().followOffsetDistance.get());
pos = new BlockPos(g.getX(), following.posY, g.getZ());
}
return new GoalNear(pos, Baritone.settings().followRadius.get());
}
private boolean followable(Entity entity) {
if (entity == null) {
return false;
}
if (entity.isDead) {
return false;
}
if (entity.equals(ctx.player())) {
return false;
}
return ctx.world().loadedEntityList.contains(entity);
}
private void scanWorld() {
cache = Stream.of(ctx.world().loadedEntityList, ctx.world().playerEntities).flatMap(List::stream).filter(this::followable).filter(this.filter).distinct().collect(Collectors.toCollection(ArrayList::new));
}
@Override
public boolean isActive() {
if (filter == null) {
return false;
}
scanWorld();
return !cache.isEmpty();
}
@Override
public void onLostControl() {
filter = null;
cache = null;
}
@Override
public String displayName() {
return "Follow " + cache;
}
@Override
public void follow(Predicate<Entity> filter) {
this.filter = filter;
}
@Override
public List<Entity> following() {
return cache;
}
@Override
public Predicate<Entity> currentFilter() {
return filter;
}
}