93 lines
3.5 KiB
Java
93 lines
3.5 KiB
Java
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package net.minecraft.world.entity.boss.enderdragon.phases;
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import javax.annotation.Nullable;
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import net.minecraft.core.BlockPos;
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import net.minecraft.core.Vec3i;
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import net.minecraft.server.level.ServerLevel;
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import net.minecraft.world.entity.ai.targeting.TargetingConditions;
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import net.minecraft.world.entity.boss.enderdragon.EnderDragon;
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import net.minecraft.world.entity.player.Player;
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import net.minecraft.world.level.levelgen.Heightmap;
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import net.minecraft.world.level.levelgen.feature.EndPodiumFeature;
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import net.minecraft.world.level.pathfinder.Node;
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import net.minecraft.world.level.pathfinder.Path;
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import net.minecraft.world.phys.Vec3;
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public class DragonLandingApproachPhase extends AbstractDragonPhaseInstance {
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private static final TargetingConditions NEAR_EGG_TARGETING = TargetingConditions.forCombat().ignoreLineOfSight();
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@Nullable
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private Path currentPath;
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@Nullable
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private Vec3 targetLocation;
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public DragonLandingApproachPhase(EnderDragon p_31258_) {
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super(p_31258_);
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}
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@Override
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public EnderDragonPhase<DragonLandingApproachPhase> getPhase() {
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return EnderDragonPhase.LANDING_APPROACH;
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}
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@Override
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public void begin() {
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this.currentPath = null;
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this.targetLocation = null;
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}
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@Override
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public void doServerTick(ServerLevel p_369470_) {
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double d0 = this.targetLocation == null ? 0.0 : this.targetLocation.distanceToSqr(this.dragon.getX(), this.dragon.getY(), this.dragon.getZ());
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if (d0 < 100.0 || d0 > 22500.0 || this.dragon.horizontalCollision || this.dragon.verticalCollision) {
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this.findNewTarget(p_369470_);
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}
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}
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@Nullable
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@Override
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public Vec3 getFlyTargetLocation() {
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return this.targetLocation;
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}
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private void findNewTarget(ServerLevel p_364576_) {
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if (this.currentPath == null || this.currentPath.isDone()) {
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int i = this.dragon.findClosestNode();
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BlockPos blockpos = p_364576_.getHeightmapPos(Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, EndPodiumFeature.getLocation(this.dragon.getFightOrigin()));
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Player player = p_364576_.getNearestPlayer(NEAR_EGG_TARGETING, this.dragon, blockpos.getX(), blockpos.getY(), blockpos.getZ());
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int j;
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if (player != null) {
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Vec3 vec3 = new Vec3(player.getX(), 0.0, player.getZ()).normalize();
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j = this.dragon.findClosestNode(-vec3.x * 40.0, 105.0, -vec3.z * 40.0);
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} else {
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j = this.dragon.findClosestNode(40.0, blockpos.getY(), 0.0);
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}
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Node node = new Node(blockpos.getX(), blockpos.getY(), blockpos.getZ());
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this.currentPath = this.dragon.findPath(i, j, node);
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if (this.currentPath != null) {
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this.currentPath.advance();
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}
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}
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this.navigateToNextPathNode();
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if (this.currentPath != null && this.currentPath.isDone()) {
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this.dragon.getPhaseManager().setPhase(EnderDragonPhase.LANDING);
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}
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}
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private void navigateToNextPathNode() {
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if (this.currentPath != null && !this.currentPath.isDone()) {
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Vec3i vec3i = this.currentPath.getNextNodePos();
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this.currentPath.advance();
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double d0 = vec3i.getX();
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double d1 = vec3i.getZ();
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double d2;
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do {
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d2 = vec3i.getY() + this.dragon.getRandom().nextFloat() * 20.0F;
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} while (d2 < vec3i.getY());
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this.targetLocation = new Vec3(d0, d2, d1);
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}
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}
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}
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