v0.1
This commit is contained in:
Regalis
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using System.Linq;
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using Lidgren.Network;
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using Microsoft.Xna.Framework;
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using Microsoft.Xna.Framework.Graphics;
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using Microsoft.Xna.Framework.Input;
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using Subsurface.Networking;
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using System;
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namespace Subsurface
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{
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class Inventory : Entity
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{
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public static Item draggingItem;
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public static Item doubleClickedItem;
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private int slotsPerRow;
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public int SlotsPerRow
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{
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set { slotsPerRow = Math.Max(1, value); }
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}
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protected int capacity;
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public Vector2 CenterPos
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{
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get { return centerPos; }
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set
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{
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centerPos = value;
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centerPos.X *= Game1.GraphicsWidth;
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centerPos.Y *= Game1.GraphicsHeight;
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}
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}
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private Vector2 centerPos;
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protected int selectedSlot;
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public Item[] items;
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public Inventory(int capacity, Vector2? centerPos = null, int slotsPerRow=5)
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{
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this.capacity = capacity;
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this.slotsPerRow = slotsPerRow;
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items = new Item[capacity];
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CenterPos = (centerPos==null) ? new Vector2(0.5f, 0.5f) : (Vector2)centerPos;
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}
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public int FindIndex(Item item)
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{
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for (int i = 0; i < capacity; i++)
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{
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if (items[i] == item) return i;
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}
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return -1;
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}
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public virtual int FindAllowedSlot(Item item)
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{
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for (int i = 0; i < capacity; i++)
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{
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//item is already in the inventory!
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if (items[i] == item) return -1;
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}
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for (int i = 0; i < capacity; i++)
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{
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if (items[i] == null) return i;
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}
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return -1;
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}
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public virtual bool CanBePut(Item item, int i)
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{
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if (i < 0 || i >= items.Length) return false;
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return (items[i] == null);
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}
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/// <summary>
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/// If there is room, puts the item in the inventory and returns true, otherwise returns false
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/// </summary>
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public virtual bool TryPutItem(Item item, LimbSlot allowedSlots = 0, bool createNetworkEvent = true)
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{
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int slot = FindAllowedSlot(item);
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if (slot < 0) return false;
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PutItem(item, slot, createNetworkEvent);
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return true;
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}
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public virtual bool TryPutItem(Item item, int i, bool createNetworkEvent = true)
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{
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if (CanBePut(item,i))
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{
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PutItem(item, i, createNetworkEvent);
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return true;
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}
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else
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{
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return false;
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}
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}
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protected void PutItem(Item item, int i, bool createNetworkEvent, bool removeItem = true)
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{
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if (item.inventory != null && removeItem) item.inventory.RemoveItem(item);
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items[i] = item;
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item.inventory = this;
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if (item.body!=null)
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{
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item.body.Enabled = false;
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}
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if (createNetworkEvent)
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{
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int[] data = { item.ID, i };
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new NetworkEvent(NetworkEventType.InventoryUpdate, ID, true, data);
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}
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}
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public void RemoveItem(Item item)
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{
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//go through the inventory and remove the item from all slots
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for (int n = 0; n < capacity; n++)
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{
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if (items[n] != item) continue;
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items[n] = null;
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}
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}
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protected virtual void DropItem(Item item)
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{
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item.Drop(null, false);
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return;
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}
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public void DropItem(int i)
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{
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items[i].Drop();
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items[i] = null;
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}
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public virtual void Draw(SpriteBatch spriteBatch)
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{
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doubleClickedItem = null;
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int rectWidth = 40, rectHeight = 40;
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int spacing = 10;
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int rows = (int)Math.Ceiling((double)capacity / slotsPerRow);
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int startX = (int)centerPos.X - (rectWidth * slotsPerRow + spacing * (slotsPerRow - 1)) / 2;
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int startY = (int)centerPos.Y - rows * (spacing + rectHeight);
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Rectangle slotRect = new Rectangle(startX, startY, rectWidth, rectHeight);
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Rectangle draggingItemSlot = slotRect;
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for (int i = 0; i < capacity; i++)
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{
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slotRect.X = startX + (rectWidth + spacing) * (i % slotsPerRow);
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slotRect.Y = startY + (rectHeight + spacing) * ((int)Math.Floor((double)i / slotsPerRow));
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if (draggingItem == items[i]) draggingItemSlot = slotRect;
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UpdateSlot(spriteBatch, slotRect, i, items[i], false);
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}
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if (draggingItem != null && !draggingItemSlot.Contains(PlayerInput.MousePosition))
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{
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if (PlayerInput.GetMouseState.LeftButton == ButtonState.Pressed)
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{
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slotRect.X = PlayerInput.GetMouseState.X - slotRect.Width / 2;
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slotRect.Y = PlayerInput.GetMouseState.Y - slotRect.Height / 2;
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//GUI.DrawRectangle(spriteBatch, rect, Color.White, true);
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//draggingItem.sprite.Draw(spriteBatch, new Vector2(rect.X + rect.Width / 2, rect.Y + rect.Height / 2), Color.White);
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DrawSlot(spriteBatch, slotRect, draggingItem, false, false);
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}
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else
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{
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int[] data = { draggingItem.ID, -1 };
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new NetworkEvent(NetworkEventType.InventoryUpdate, ID, true, data);
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DropItem(draggingItem);
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}
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}
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}
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protected void UpdateSlot(SpriteBatch spriteBatch, Rectangle rect, int slotIndex, Item item, bool isSubSlot)
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{
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bool mouseOn = rect.Contains(PlayerInput.MousePosition);
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DrawSlot(spriteBatch, rect, (draggingItem == item && !mouseOn) ? null : item, mouseOn, isSubSlot);
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if (mouseOn)
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{
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if (draggingItem == null)
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{
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if (PlayerInput.GetMouseState.LeftButton == ButtonState.Pressed)
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{
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draggingItem = item;
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}
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}
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else if (PlayerInput.GetMouseState.LeftButton == ButtonState.Released)
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{
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if (PlayerInput.DoubleClicked())
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{
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doubleClickedItem = item;
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}
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selectedSlot = slotIndex;
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TryPutItem(draggingItem, slotIndex);
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draggingItem = null;
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}
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if (!isSubSlot) selectedSlot = slotIndex;
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}
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if (selectedSlot == slotIndex)
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{
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if (item == null) return;
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int itemCapacity = item.Capacity;
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if (itemCapacity == 0) return;
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Rectangle containerRect = new Rectangle(rect.X - 5, rect.Y - (rect.Height + 10) * itemCapacity - 5,
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rect.Width + 10, rect.Height + (rect.Height + 10) * itemCapacity + 10);
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selectedSlot = containerRect.Contains(PlayerInput.MousePosition) ? slotIndex : -1;
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GUI.DrawRectangle(spriteBatch, containerRect, Color.White, false);
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Item[] containedItems = null;
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if (items[slotIndex] != null) containedItems = items[slotIndex].ContainedItems;
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if (containedItems == null || containedItems.Count() == 0) return;
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for (int i = 0; i < itemCapacity; i++)
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{
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rect.Y = rect.Y - rect.Height - 10;
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UpdateSlot(spriteBatch, rect, selectedSlot, (i < containedItems.Count()) ? containedItems[i] : null, true);
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}
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}
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}
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protected void DrawSlot(SpriteBatch spriteBatch, Rectangle rect, Item item, bool isHighLighted, bool isSubSlot)
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{
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GUI.DrawRectangle(spriteBatch, rect, (isHighLighted ? Color.Red : Color.White)*((isSubSlot) ? 0.1f : 0.3f), true);
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if (item == null) return;
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item.sprite.Draw(spriteBatch, new Vector2(rect.X + rect.Width / 2, rect.Y + rect.Height / 2), item.Color);
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if (isHighLighted)
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{
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Vector2 pos = new Vector2(rect.X + rect.Width / 2, rect.Y - rect.Height + 20) - GUI.Font.MeasureString(item.Name) * 0.5f;
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pos.X = (int)pos.X;
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pos.Y = (int)pos.Y;
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spriteBatch.DrawString(GUI.Font, item.Name + " - " + item.ID, pos - new Vector2(1.0f, 1.0f), Color.Black);
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spriteBatch.DrawString(GUI.Font, item.Name + " - " + item.ID, pos, Color.White);
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}
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if (item.Condition < 100.0f)
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spriteBatch.DrawString(GUI.Font, (int)item.Condition + " %", new Vector2(rect.X + rect.Width / 2, rect.Y + rect.Height / 2), Color.Red);
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}
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public override void FillNetworkData(NetworkEventType type, NetOutgoingMessage message, object data)
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{
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int[] dataArray = data as int[];
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if (dataArray == null || dataArray.Length<2)
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{
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message.Write(-1);
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return;
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}
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//item id
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message.Write(dataArray[0]);
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//index of the slot which the item was moved to
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message.Write(dataArray[1]);
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}
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public override void ReadNetworkData(NetworkEventType type, NetIncomingMessage message)
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{
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int itemId=-1, slotIndex = -1;
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try
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{
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itemId = message.ReadInt32();
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slotIndex = message.ReadInt32();
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}
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catch
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{
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return;
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}
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if (itemId == -1) return;
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Item item = FindEntityByID(itemId) as Item;
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if (item == null) return;
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if (slotIndex==-1)
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{
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if (item.inventory == this) item.Drop();
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}
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else
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{
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TryPutItem(item, slotIndex, false);
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}
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}
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}
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}
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