90 lines
2.8 KiB
Java
90 lines
2.8 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.boss.enderdragon.EnderDragon;
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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.Path;
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import net.minecraft.world.phys.Vec3;
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public class DragonTakeoffPhase extends AbstractDragonPhaseInstance {
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private boolean firstTick;
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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 DragonTakeoffPhase(EnderDragon p_31370_) {
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super(p_31370_);
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}
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@Override
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public void doServerTick(ServerLevel p_362190_) {
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if (!this.firstTick && this.currentPath != null) {
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BlockPos blockpos = p_362190_.getHeightmapPos(Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, EndPodiumFeature.getLocation(this.dragon.getFightOrigin()));
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if (!blockpos.closerToCenterThan(this.dragon.position(), 10.0)) {
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this.dragon.getPhaseManager().setPhase(EnderDragonPhase.HOLDING_PATTERN);
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}
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} else {
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this.firstTick = false;
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this.findNewTarget();
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}
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}
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@Override
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public void begin() {
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this.firstTick = true;
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this.currentPath = null;
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this.targetLocation = null;
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}
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private void findNewTarget() {
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int i = this.dragon.findClosestNode();
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Vec3 vec3 = this.dragon.getHeadLookVector(1.0F);
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int j = this.dragon.findClosestNode(-vec3.x * 40.0, 105.0, -vec3.z * 40.0);
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if (this.dragon.getDragonFight() != null && this.dragon.getDragonFight().getCrystalsAlive() > 0) {
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j %= 12;
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if (j < 0) {
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j += 12;
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}
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} else {
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j -= 12;
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j &= 7;
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j += 12;
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}
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this.currentPath = this.dragon.findPath(i, j, null);
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this.navigateToNextPathNode();
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}
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private void navigateToNextPathNode() {
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if (this.currentPath != null) {
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this.currentPath.advance();
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if (!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;
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do {
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d0 = vec3i.getY() + this.dragon.getRandom().nextFloat() * 20.0F;
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} while (d0 < vec3i.getY());
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this.targetLocation = new Vec3(vec3i.getX(), d0, vec3i.getZ());
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}
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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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@Override
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public EnderDragonPhase<DragonTakeoffPhase> getPhase() {
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return EnderDragonPhase.TAKEOFF;
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}
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}
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