// 
// Decompiled by Procyon v0.6.0
// 

package com.hypixel.hytale.server.core.modules.entity.item;

import java.util.Iterator;
import com.hypixel.hytale.server.core.inventory.ItemStack;
import com.hypixel.hytale.protocol.ComponentUpdateType;
import com.hypixel.hytale.protocol.ComponentUpdate;
import java.util.Map;
import com.hypixel.hytale.component.Ref;
import com.hypixel.hytale.server.core.modules.entity.component.EntityScaleComponent;
import com.hypixel.hytale.component.CommandBuffer;
import com.hypixel.hytale.component.ArchetypeChunk;
import javax.annotation.Nullable;
import com.hypixel.hytale.component.SystemGroup;
import com.hypixel.hytale.server.core.modules.entity.tracker.EntityTrackerSystems;
import com.hypixel.hytale.component.system.tick.EntityTickingSystem;
import com.hypixel.hytale.component.RemoveReason;
import com.hypixel.hytale.protocol.ColorLight;
import com.hypixel.hytale.server.core.modules.entity.component.DynamicLight;
import com.hypixel.hytale.math.shape.Box;
import com.hypixel.hytale.server.core.modules.entity.component.BoundingBox;
import com.hypixel.hytale.server.core.modules.entity.tracker.NetworkId;
import com.hypixel.hytale.component.Store;
import com.hypixel.hytale.component.AddReason;
import com.hypixel.hytale.component.Holder;
import javax.annotation.Nonnull;
import com.hypixel.hytale.component.query.Query;
import com.hypixel.hytale.component.ComponentType;
import com.hypixel.hytale.server.core.universe.world.storage.EntityStore;
import com.hypixel.hytale.component.system.HolderSystem;

public class ItemSystems
{
    public static class EnsureRequiredComponents extends HolderSystem<EntityStore>
    {
        private static final ComponentType<EntityStore, ItemComponent> ITEM_COMPONENT_TYPE;
        
        @Nonnull
        @Override
        public Query<EntityStore> getQuery() {
            return EnsureRequiredComponents.ITEM_COMPONENT_TYPE;
        }
        
        @Override
        public void onEntityAdd(@Nonnull final Holder<EntityStore> holder, @Nonnull final AddReason reason, @Nonnull final Store<EntityStore> store) {
            if (!holder.getArchetype().contains(NetworkId.getComponentType())) {
                holder.addComponent(NetworkId.getComponentType(), new NetworkId(store.getExternalData().takeNextNetworkId()));
            }
            holder.ensureComponent(ItemPhysicsComponent.getComponentType());
            holder.putComponent(BoundingBox.getComponentType(), new BoundingBox(Box.horizontallyCentered(0.5, 0.5, 0.5)));
            final ItemComponent itemComponent = holder.getComponent(ItemComponent.getComponentType());
            assert itemComponent != null;
            final ColorLight itemDynamicLight = itemComponent.computeDynamicLight();
            if (itemDynamicLight != null) {
                holder.putComponent(DynamicLight.getComponentType(), new DynamicLight(itemDynamicLight));
            }
        }
        
        @Override
        public void onEntityRemoved(@Nonnull final Holder<EntityStore> holder, @Nonnull final RemoveReason reason, @Nonnull final Store<EntityStore> store) {
        }
        
        static {
            ITEM_COMPONENT_TYPE = ItemComponent.getComponentType();
        }
    }
    
    public static class TrackerSystem extends EntityTickingSystem<EntityStore>
    {
        @Nonnull
        private final ComponentType<EntityStore, EntityTrackerSystems.Visible> visibleComponentType;
        @Nonnull
        private final Query<EntityStore> query;
        
        public TrackerSystem(@Nonnull final ComponentType<EntityStore, EntityTrackerSystems.Visible> visibleComponentType) {
            this.visibleComponentType = visibleComponentType;
            this.query = (Query<EntityStore>)Query.and(visibleComponentType, ItemComponent.getComponentType());
        }
        
        @Nullable
        @Override
        public SystemGroup<EntityStore> getGroup() {
            return EntityTrackerSystems.QUEUE_UPDATE_GROUP;
        }
        
        @Nonnull
        @Override
        public Query<EntityStore> getQuery() {
            return this.query;
        }
        
        @Override
        public boolean isParallel(final int archetypeChunkSize, final int taskCount) {
            return EntityTickingSystem.maybeUseParallel(archetypeChunkSize, taskCount);
        }
        
        @Override
        public void tick(final float dt, final int index, @Nonnull final ArchetypeChunk<EntityStore> archetypeChunk, @Nonnull final Store<EntityStore> store, @Nonnull final CommandBuffer<EntityStore> commandBuffer) {
            final EntityTrackerSystems.Visible visibleComponent = archetypeChunk.getComponent(index, this.visibleComponentType);
            assert visibleComponent != null;
            final ItemComponent itemComponent = archetypeChunk.getComponent(index, ItemComponent.getComponentType());
            assert itemComponent != null;
            float entityScale = 0.0f;
            final EntityScaleComponent entityScaleComponent = archetypeChunk.getComponent(index, EntityScaleComponent.getComponentType());
            if (entityScaleComponent != null) {
                entityScale = entityScaleComponent.getScale();
            }
            if (itemComponent.consumeNetworkOutdated()) {
                queueUpdatesFor(archetypeChunk.getReferenceTo(index), itemComponent, entityScale, visibleComponent.visibleTo);
            }
            else if (!visibleComponent.newlyVisibleTo.isEmpty()) {
                queueUpdatesFor(archetypeChunk.getReferenceTo(index), itemComponent, entityScale, visibleComponent.newlyVisibleTo);
            }
        }
        
        private static void queueUpdatesFor(@Nonnull final Ref<EntityStore> ref, @Nonnull final ItemComponent item, final float entityScale, @Nonnull final Map<Ref<EntityStore>, EntityTrackerSystems.EntityViewer> visibleTo) {
            final ComponentUpdate update = new ComponentUpdate();
            update.type = ComponentUpdateType.Item;
            final ItemStack itemStack = item.getItemStack();
            update.item = ((itemStack != null) ? itemStack.toPacket() : null);
            update.entityScale = entityScale;
            for (final EntityTrackerSystems.EntityViewer viewer : visibleTo.values()) {
                viewer.queueUpdate(ref, update);
            }
        }
    }
}