73 lines
3.1 KiB
Java
73 lines
3.1 KiB
Java
package net.minecraft.world.entity.boss.enderdragon.phases;
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import net.minecraft.server.level.ServerLevel;
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import net.minecraft.util.Mth;
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import net.minecraft.world.entity.LivingEntity;
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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.phys.Vec3;
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public class DragonSittingScanningPhase extends AbstractDragonSittingPhase {
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private static final int SITTING_SCANNING_IDLE_TICKS = 100;
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private static final int SITTING_ATTACK_Y_VIEW_RANGE = 10;
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private static final int SITTING_ATTACK_VIEW_RANGE = 20;
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private static final int SITTING_CHARGE_VIEW_RANGE = 150;
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private static final TargetingConditions CHARGE_TARGETING = TargetingConditions.forCombat().range(150.0);
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private final TargetingConditions scanTargeting;
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private int scanningTime;
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public DragonSittingScanningPhase(EnderDragon enderDragon) {
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super(enderDragon);
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this.scanTargeting = TargetingConditions.forCombat()
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.range(20.0)
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.selector((livingEntity, serverLevel) -> Math.abs(livingEntity.getY() - enderDragon.getY()) <= 10.0);
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}
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@Override
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public void doServerTick(ServerLevel level) {
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this.scanningTime++;
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LivingEntity livingEntity = level.getNearestPlayer(this.scanTargeting, this.dragon, this.dragon.getX(), this.dragon.getY(), this.dragon.getZ());
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if (livingEntity != null) {
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if (this.scanningTime > 25) {
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this.dragon.getPhaseManager().setPhase(EnderDragonPhase.SITTING_ATTACKING);
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} else {
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Vec3 vec3 = new Vec3(livingEntity.getX() - this.dragon.getX(), 0.0, livingEntity.getZ() - this.dragon.getZ()).normalize();
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Vec3 vec32 = new Vec3(Mth.sin(this.dragon.getYRot() * (float) (Math.PI / 180.0)), 0.0, -Mth.cos(this.dragon.getYRot() * (float) (Math.PI / 180.0)))
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.normalize();
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float f = (float)vec32.dot(vec3);
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float g = (float)(Math.acos(f) * 180.0F / (float)Math.PI) + 0.5F;
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if (g < 0.0F || g > 10.0F) {
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double d = livingEntity.getX() - this.dragon.head.getX();
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double e = livingEntity.getZ() - this.dragon.head.getZ();
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double h = Mth.clamp(Mth.wrapDegrees(180.0 - Mth.atan2(d, e) * 180.0F / (float)Math.PI - this.dragon.getYRot()), -100.0, 100.0);
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this.dragon.yRotA *= 0.8F;
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float i = (float)Math.sqrt(d * d + e * e) + 1.0F;
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float j = i;
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if (i > 40.0F) {
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i = 40.0F;
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}
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this.dragon.yRotA += (float)h * (0.7F / i / j);
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this.dragon.setYRot(this.dragon.getYRot() + this.dragon.yRotA);
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}
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}
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} else if (this.scanningTime >= 100) {
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livingEntity = level.getNearestPlayer(CHARGE_TARGETING, this.dragon, this.dragon.getX(), this.dragon.getY(), this.dragon.getZ());
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this.dragon.getPhaseManager().setPhase(EnderDragonPhase.TAKEOFF);
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if (livingEntity != null) {
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this.dragon.getPhaseManager().setPhase(EnderDragonPhase.CHARGING_PLAYER);
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this.dragon.getPhaseManager().getPhase(EnderDragonPhase.CHARGING_PLAYER).setTarget(new Vec3(livingEntity.getX(), livingEntity.getY(), livingEntity.getZ()));
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}
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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.scanningTime = 0;
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}
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@Override
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public EnderDragonPhase<DragonSittingScanningPhase> getPhase() {
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return EnderDragonPhase.SITTING_SCANNING;
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}
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}
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