40 lines
2 KiB
Java
40 lines
2 KiB
Java
package net.mcreator.superbwarfare.tools;
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import net.minecraft.core.BlockPos;
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import net.minecraft.core.Direction;
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import net.minecraft.world.entity.Entity;
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import net.minecraft.world.entity.projectile.ProjectileUtil;
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import net.minecraft.world.phys.*;
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public class TraceTool {
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public static Entity findLookingEntity(Entity player, double entityReach) {
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double distance = entityReach * entityReach;
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Vec3 eyePos = player.getEyePosition(1.0f);
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HitResult hitResult = player.pick(entityReach, 1.0f, false);
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if (hitResult.getType() != HitResult.Type.MISS) {
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distance = hitResult.getLocation().distanceToSqr(eyePos);
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double blockReach = 5;
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if (distance > blockReach * blockReach) {
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Vec3 pos = hitResult.getLocation();
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hitResult = BlockHitResult.miss(pos, Direction.getNearest(eyePos.x, eyePos.y, eyePos.z), BlockPos.containing(pos));
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}
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}
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Vec3 viewVec = player.getViewVector(1.0F);
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Vec3 toVec = eyePos.add(viewVec.x * entityReach, viewVec.y * entityReach, viewVec.z * entityReach);
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AABB aabb = player.getBoundingBox().expandTowards(viewVec.scale(entityReach)).inflate(1.0D, 1.0D, 1.0D);
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EntityHitResult entityhitresult = ProjectileUtil.getEntityHitResult(player, eyePos, toVec, aabb, p -> !p.isSpectator(), distance);
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if (entityhitresult != null) {
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Vec3 targetPos = entityhitresult.getLocation();
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double distanceToTarget = eyePos.distanceToSqr(targetPos);
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if (distanceToTarget > distance || distanceToTarget > entityReach * entityReach) {
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hitResult = BlockHitResult.miss(targetPos, Direction.getNearest(viewVec.x, viewVec.y, viewVec.z), BlockPos.containing(targetPos));
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} else if (distanceToTarget < distance) {
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hitResult = entityhitresult;
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}
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}
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if (hitResult.getType() == HitResult.Type.ENTITY) {
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return ((EntityHitResult) hitResult).getEntity();
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}
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return null;
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}
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}
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