mirror of
https://github.com/KAMKEEL/CustomNPC-Plus.git
synced 2026-11-12 07:17:27 +00:00
459 lines
15 KiB
Java
459 lines
15 KiB
Java
package kamkeel.npcs.entity;
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import cpw.mods.fml.common.registry.IEntityAdditionalSpawnData;
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import cpw.mods.fml.relauncher.Side;
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import cpw.mods.fml.relauncher.SideOnly;
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import io.netty.buffer.ByteBuf;
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import net.minecraft.entity.Entity;
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import net.minecraft.entity.EntityLivingBase;
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import net.minecraft.nbt.NBTTagCompound;
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import net.minecraft.util.AxisAlignedBB;
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import net.minecraft.world.World;
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import noppes.npcs.LogWriter;
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import noppes.npcs.NpcDamageSource;
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import noppes.npcs.entity.EntityNPCInterface;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Set;
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/**
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* Sweeper ability entity - a rotating beam attached to the NPC.
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* Unlike other projectiles, this handles its own damage logic since it's
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* attached to and rotates around the caster.
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*
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* Design: Similar to Beam trail visuals but rotating around origin.
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*/
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public class EntityAbilitySweeper extends Entity implements IEntityAdditionalSpawnData {
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// Beam properties
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private float beamLength = 10.0f;
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private float beamWidth = 0.3f; // Thin like beam trail
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private float beamHeight = 0.8f;
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private int innerColor = 0xFF6600;
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private int outerColor = 0xFF0000;
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private boolean outerColorEnabled = true;
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private float outerColorWidth = 1.8f;
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// Combat properties
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private float damage = 5.0f;
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private int damageInterval = 5;
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private boolean piercing = true;
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// Rotation
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private float currentAngle = 0;
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private float prevAngle = 0;
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private float sweepSpeed = 3.0f;
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private int numberOfRotations = 2;
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private int completedRotations = 0;
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private float baseYaw = 0; // Starting yaw direction
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private boolean lockOnTarget = false;
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// Owner tracking
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private int ownerEntityId = -1;
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private int targetEntityId = -1;
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// Lifetime
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private int maxTicks = 400;
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private long deathWorldTime = -1;
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// Damage state
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private transient int ticksSinceDamage = 0;
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private transient Set<Integer> hitThisTick = new HashSet<>();
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public EntityAbilitySweeper(World world) {
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super(world);
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this.setSize(0.1f, 0.1f);
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this.noClip = true;
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this.isImmuneToFire = true;
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this.ignoreFrustumCheck = true;
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}
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public EntityAbilitySweeper(World world, EntityNPCInterface owner, EntityLivingBase target,
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float beamLength, float beamWidth, float beamHeight,
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int innerColor, int outerColor,
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boolean outerColorEnabled, float outerColorWidth,
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float sweepSpeed, int numberOfRotations,
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float damage, int damageInterval, boolean piercing,
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boolean lockOnTarget) {
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this(world);
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this.ownerEntityId = owner.getEntityId();
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this.targetEntityId = target != null ? target.getEntityId() : -1;
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this.beamLength = beamLength;
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this.beamWidth = beamWidth;
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this.beamHeight = beamHeight;
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this.innerColor = innerColor;
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this.outerColor = outerColor;
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this.outerColorEnabled = outerColorEnabled;
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this.outerColorWidth = outerColorWidth;
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this.sweepSpeed = sweepSpeed;
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this.numberOfRotations = numberOfRotations;
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this.damage = damage;
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this.damageInterval = damageInterval;
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this.piercing = piercing;
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this.lockOnTarget = lockOnTarget;
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// Calculate max ticks based on rotations
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this.maxTicks = (int) ((360.0f * numberOfRotations) / sweepSpeed) + 10;
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// Calculate base yaw
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if (lockOnTarget && target != null) {
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double dx = target.posX - owner.posX;
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double dz = target.posZ - owner.posZ;
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this.baseYaw = (float) Math.toDegrees(Math.atan2(-dx, dz));
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} else {
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this.baseYaw = owner.rotationYaw;
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}
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// Position at owner
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this.setPosition(owner.posX, owner.posY + beamHeight, owner.posZ);
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// Ready to deal damage immediately
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this.ticksSinceDamage = damageInterval;
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}
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@Override
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protected void entityInit() {
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// No DataWatcher needed
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}
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@Override
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public void onUpdate() {
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this.prevPosX = this.posX;
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this.prevPosY = this.posY;
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this.prevPosZ = this.posZ;
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this.prevAngle = this.currentAngle;
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super.onUpdate();
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// Set death time on first tick
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if (deathWorldTime < 0 && worldObj != null) {
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deathWorldTime = worldObj.getTotalWorldTime() + maxTicks;
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}
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// Check lifetime
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if (deathWorldTime > 0 && worldObj.getTotalWorldTime() >= deathWorldTime) {
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this.setDead();
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return;
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}
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// Follow owner
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Entity owner = getOwner();
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if (owner == null) {
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this.setDead();
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return;
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}
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// Update position to follow owner
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this.setPosition(owner.posX, owner.posY + beamHeight, owner.posZ);
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// Check if sweep is done
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if (completedRotations >= numberOfRotations) {
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this.setDead();
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return;
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}
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// Update rotation
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currentAngle += sweepSpeed;
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if (currentAngle >= 360) {
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currentAngle -= 360;
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completedRotations++;
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if (!worldObj.isRemote) {
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LogWriter.info("[Sweeper] Completed rotation " + completedRotations + "/" + numberOfRotations);
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}
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}
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// Server handles damage
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if (!worldObj.isRemote) {
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handleDamage(owner);
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}
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}
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/**
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* Handle damage detection and application.
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* This runs on server only.
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*/
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private void handleDamage(Entity owner) {
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hitThisTick.clear();
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ticksSinceDamage++;
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if (ticksSinceDamage < damageInterval) {
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return;
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}
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ticksSinceDamage = 0;
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// Calculate beam direction using the ACTUAL render angle
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float beamYaw = baseYaw + currentAngle;
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float yawRad = (float) Math.toRadians(beamYaw);
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double startX = posX;
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double startY = posY;
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double startZ = posZ;
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double dirX = -Math.sin(yawRad);
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double dirZ = Math.cos(yawRad);
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// Sample points along the beam for collision
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int samples = (int) (beamLength / 0.5);
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for (int i = 1; i <= samples; i++) {
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double progress = (double) i / samples;
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double checkX = startX + dirX * beamLength * progress;
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double checkY = startY;
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double checkZ = startZ + dirZ * beamLength * progress;
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// Narrow hitbox for thin beam
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AxisAlignedBB checkBox = AxisAlignedBB.getBoundingBox(
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checkX - beamWidth * 2, checkY - 0.5, checkZ - beamWidth * 2,
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checkX + beamWidth * 2, checkY + 1.0, checkZ + beamWidth * 2
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);
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@SuppressWarnings("unchecked")
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List<Entity> entities = worldObj.getEntitiesWithinAABB(EntityLivingBase.class, checkBox);
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for (Entity entity : entities) {
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if (!(entity instanceof EntityLivingBase)) continue;
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if (entity == owner) continue;
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if (hitThisTick.contains(entity.getEntityId())) continue;
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EntityLivingBase livingEntity = (EntityLivingBase) entity;
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// Check if actually in beam path
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if (isInBeamPath(livingEntity, startX, startY, startZ, dirX, dirZ)) {
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hitThisTick.add(entity.getEntityId());
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applyDamage(livingEntity, owner);
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if (!piercing) {
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return;
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}
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}
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}
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}
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}
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private boolean isInBeamPath(EntityLivingBase entity, double startX, double startY, double startZ,
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double dirX, double dirZ) {
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double entityX = entity.posX - startX;
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double entityZ = entity.posZ - startZ;
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// Dot product to find projection distance
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double projectionDist = entityX * dirX + entityZ * dirZ;
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// Check if within beam length
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if (projectionDist < 0 || projectionDist > beamLength) {
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return false;
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}
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// Calculate perpendicular distance
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double projX = dirX * projectionDist;
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double projZ = dirZ * projectionDist;
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double perpX = entityX - projX;
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double perpZ = entityZ - projZ;
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double perpDist = Math.sqrt(perpX * perpX + perpZ * perpZ);
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// Check if within beam width (use wider hitbox than visual)
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if (perpDist > beamWidth * 3 + entity.width / 2) {
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return false;
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}
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// Height check - entity's feet must be below beam top (allows jumping over)
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double entityFeetY = entity.posY;
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double beamTopY = startY + 0.5;
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return entityFeetY < beamTopY;
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}
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private void applyDamage(EntityLivingBase target, Entity owner) {
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EntityNPCInterface npc = (owner instanceof EntityNPCInterface) ? (EntityNPCInterface) owner : null;
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if (npc != null) {
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target.attackEntityFrom(new NpcDamageSource("npc_ability", npc), damage);
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} else {
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target.attackEntityFrom(new NpcDamageSource("npc_ability", null), damage);
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}
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// Small upward knockback to help escape
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target.addVelocity(0, 0.2, 0);
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target.velocityChanged = true;
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}
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private Entity getOwner() {
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if (ownerEntityId == -1) return null;
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return worldObj.getEntityByID(ownerEntityId);
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}
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// ==================== RENDERING ====================
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@Override
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@SideOnly(Side.CLIENT)
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public boolean isInRangeToRenderDist(double distance) {
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return distance < 16384.0D; // 128 blocks squared
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}
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@Override
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public boolean shouldRenderInPass(int pass) {
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return pass == 1; // Translucent pass
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}
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@Override
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public float getBrightness(float partialTicks) {
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return 1.0f;
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}
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@Override
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@SideOnly(Side.CLIENT)
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public int getBrightnessForRender(float partialTicks) {
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return 0xF000F0;
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}
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// ==================== GETTERS FOR RENDERER ====================
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public float getBeamLength() {
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return beamLength;
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}
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public float getBeamWidth() {
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return beamWidth;
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}
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public float getBeamHeight() {
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return beamHeight;
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}
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public int getInnerColor() {
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return innerColor;
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}
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public int getOuterColor() {
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return outerColor;
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}
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public boolean isOuterColorEnabled() {
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return outerColorEnabled;
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}
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public float getOuterColorWidth() {
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return outerColorWidth;
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}
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/**
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* Get the full interpolated angle INCLUDING base yaw for rendering.
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*/
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public float getInterpolatedAngle(float partialTicks) {
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// Handle wrap-around for the rotating part
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float diff = currentAngle - prevAngle;
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if (diff > 180) diff -= 360;
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if (diff < -180) diff += 360;
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float interpAngle = prevAngle + diff * partialTicks;
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// Add base yaw for correct world orientation
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return baseYaw + interpAngle;
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}
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public float getCurrentAngle() {
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return currentAngle;
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}
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public float getBaseYaw() {
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return baseYaw;
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}
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// ==================== NBT ====================
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@Override
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protected void readEntityFromNBT(NBTTagCompound nbt) {
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this.beamLength = nbt.getFloat("BeamLength");
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this.beamWidth = nbt.getFloat("BeamWidth");
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this.beamHeight = nbt.getFloat("BeamHeight");
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this.innerColor = nbt.getInteger("InnerColor");
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this.outerColor = nbt.getInteger("OuterColor");
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this.outerColorEnabled = !nbt.hasKey("OuterColorEnabled") || nbt.getBoolean("OuterColorEnabled");
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this.outerColorWidth = nbt.hasKey("OuterColorWidth") ? nbt.getFloat("OuterColorWidth") : 1.8f;
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this.sweepSpeed = nbt.getFloat("SweepSpeed");
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this.numberOfRotations = nbt.getInteger("NumRotations");
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this.completedRotations = nbt.getInteger("CompletedRotations");
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this.maxTicks = nbt.getInteger("MaxTicks");
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this.ownerEntityId = nbt.getInteger("OwnerId");
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this.targetEntityId = nbt.getInteger("TargetId");
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this.currentAngle = nbt.getFloat("CurrentAngle");
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this.baseYaw = nbt.getFloat("BaseYaw");
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this.deathWorldTime = nbt.getLong("DeathWorldTime");
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this.damage = nbt.getFloat("Damage");
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this.damageInterval = nbt.getInteger("DamageInterval");
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this.piercing = nbt.getBoolean("Piercing");
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this.lockOnTarget = nbt.getBoolean("LockOnTarget");
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}
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@Override
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protected void writeEntityToNBT(NBTTagCompound nbt) {
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nbt.setFloat("BeamLength", beamLength);
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nbt.setFloat("BeamWidth", beamWidth);
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nbt.setFloat("BeamHeight", beamHeight);
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nbt.setInteger("InnerColor", innerColor);
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nbt.setInteger("OuterColor", outerColor);
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nbt.setBoolean("OuterColorEnabled", outerColorEnabled);
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nbt.setFloat("OuterColorWidth", outerColorWidth);
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nbt.setFloat("SweepSpeed", sweepSpeed);
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nbt.setInteger("NumRotations", numberOfRotations);
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nbt.setInteger("CompletedRotations", completedRotations);
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nbt.setInteger("MaxTicks", maxTicks);
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nbt.setInteger("OwnerId", ownerEntityId);
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nbt.setInteger("TargetId", targetEntityId);
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nbt.setFloat("CurrentAngle", currentAngle);
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nbt.setFloat("BaseYaw", baseYaw);
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nbt.setLong("DeathWorldTime", deathWorldTime);
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nbt.setFloat("Damage", damage);
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nbt.setInteger("DamageInterval", damageInterval);
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nbt.setBoolean("Piercing", piercing);
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nbt.setBoolean("LockOnTarget", lockOnTarget);
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}
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// ==================== SPAWN DATA ====================
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@Override
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public void writeSpawnData(ByteBuf buffer) {
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buffer.writeFloat(beamLength);
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buffer.writeFloat(beamWidth);
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buffer.writeFloat(beamHeight);
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buffer.writeInt(innerColor);
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buffer.writeInt(outerColor);
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buffer.writeBoolean(outerColorEnabled);
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buffer.writeFloat(outerColorWidth);
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buffer.writeFloat(sweepSpeed);
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buffer.writeInt(numberOfRotations);
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buffer.writeInt(completedRotations);
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buffer.writeInt(maxTicks);
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buffer.writeInt(ownerEntityId);
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buffer.writeInt(targetEntityId);
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buffer.writeFloat(currentAngle);
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buffer.writeFloat(baseYaw);
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buffer.writeFloat(damage);
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buffer.writeInt(damageInterval);
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buffer.writeBoolean(piercing);
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buffer.writeBoolean(lockOnTarget);
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}
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@Override
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public void readSpawnData(ByteBuf buffer) {
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this.beamLength = buffer.readFloat();
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this.beamWidth = buffer.readFloat();
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this.beamHeight = buffer.readFloat();
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this.innerColor = buffer.readInt();
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this.outerColor = buffer.readInt();
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this.outerColorEnabled = buffer.readBoolean();
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this.outerColorWidth = buffer.readFloat();
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this.sweepSpeed = buffer.readFloat();
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this.numberOfRotations = buffer.readInt();
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this.completedRotations = buffer.readInt();
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this.maxTicks = buffer.readInt();
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this.ownerEntityId = buffer.readInt();
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this.targetEntityId = buffer.readInt();
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this.currentAngle = buffer.readFloat();
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this.baseYaw = buffer.readFloat();
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this.damage = buffer.readFloat();
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this.damageInterval = buffer.readInt();
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this.piercing = buffer.readBoolean();
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this.lockOnTarget = buffer.readBoolean();
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this.prevAngle = this.currentAngle;
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}
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}
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