class="kw">package com.hypixel.hytale.server.npc.systems;

class="kw">import com.hypixel.hytale.component.ArchetypeChunk;
class="kw">import com.hypixel.hytale.component.CommandBuffer;
class="kw">import com.hypixel.hytale.component.ComponentType;
class="kw">import com.hypixel.hytale.component.Store;
class="kw">import com.hypixel.hytale.component.dependency.Dependency;
class="kw">import com.hypixel.hytale.component.query.Query;
class="kw">import com.hypixel.hytale.component.system.tick.EntityTickingSystem;
class="kw">import com.hypixel.hytale.server.core.modules.entity.component.TransformComponent;
class="kw">import com.hypixel.hytale.server.core.modules.physics.component.Velocity;
class="kw">import com.hypixel.hytale.server.core.universe.world.storage.EntityStore;
class="kw">import com.hypixel.hytale.server.npc.entities.NPCEntity;
class="kw">import java.util.Set;
class="kw">import javax.annotation.Nonnull;
class="kw">import org.joml.Vector3d;

class="kw">public class ComputeVelocitySystem class="kw">extends SteppableTickingSystem {
   @Nonnull
   class="kw">private class="kw">final ComponentType<EntityStore, NPCEntity> npcEntityComponentType;
   @Nonnull
   class="kw">private class="kw">final ComponentType<EntityStore, Velocity> velocityComponentType;
   @Nonnull
   class="kw">private class="kw">final ComponentType<EntityStore, TransformComponent> transformComponentType = TransformComponent.getComponentType();
   @Nonnull
   class="kw">private class="kw">final Set<Dependency<EntityStore>> dependencies;
   @Nonnull
   class="kw">private class="kw">final Query<EntityStore> query;

   class="kw">public ComputeVelocitySystem(
      @Nonnull ComponentType<EntityStore, NPCEntity> var1, @Nonnull ComponentType<EntityStore, Velocity> var2, @Nonnull Set<Dependency<EntityStore>> var3
   ) {
      this.npcEntityComponentType = var1;
      this.velocityComponentType = var2;
      this.dependencies = var3;
      this.query = Query.and(var1, this.transformComponentType, var2);
   }

   @Nonnull
   @Override
   class="kw">public Set<Dependency<EntityStore>> getDependencies() {
      class="kw">return this.dependencies;
   }

   @Override
   class="kw">public boolean isParallel(int var1, int var2) {
      class="kw">return EntityTickingSystem.maybeUseParallel(var1, var2);
   }

   @Override
   class="kw">public void steppedTick(
      float var1, int var2, @Nonnull ArchetypeChunk<EntityStore> var3, @Nonnull Store<EntityStore> var4, @Nonnull CommandBuffer<EntityStore> var5
   ) {
      NPCEntity var6 = var3.getComponent(var2, this.npcEntityComponentType);
      assert var6 != null;
      TransformComponent var7 = var3.getComponent(var2, this.transformComponentType);
      assert var7 != null;
      Velocity var8 = var3.getComponent(var2, this.velocityComponentType);
      assert var8 != null;
      Vector3d var9 = var7.getPosition();
      Vector3d var10 = var6.getOldPosition();
      double var11 = (var9.x() - var10.x()) / var1;
      double var13 = (var9.y() - var10.y()) / var1;
      double var15 = (var9.z() - var10.z()) / var1;
      var8.set(var11, var13, var15);
   }

   @Nonnull
   @Override
   class="kw">public Query<EntityStore> getQuery() {
      class="kw">return this.query;
   }
}