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Regalis
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using System;
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using System.Collections.Generic;
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using System.Xml.Linq;
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using FarseerPhysics;
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using Microsoft.Xna.Framework;
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using Microsoft.Xna.Framework.Graphics;
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namespace Subsurface.Items.Components
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{
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class ItemContainer : ItemComponent
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{
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List<RelatedItem> containableItems;
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public ItemInventory inventory;
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//how many items can be contained
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private int capacity;
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private bool hideItems;
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private bool drawInventory;
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//the position of the first item in the container
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private Vector2 itemPos;
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//item[i].Pos = itemPos + itemInterval*i
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private Vector2 itemInterval;
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private float itemRotation;
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[HasDefaultValue(5, false)]
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public int Capacity
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{
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get { return capacity; }
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set { capacity = Math.Max(value, 1); }
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}
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[HasDefaultValue(true, false)]
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public bool HideItems
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{
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get { return hideItems; }
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set { hideItems = value; }
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}
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[HasDefaultValue(false, false)]
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public bool DrawInventory
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{
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get { return drawInventory; }
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set { drawInventory = value; }
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}
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[HasDefaultValue(0.0f, false)]
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public float ItemRotation
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{
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get { return itemRotation; }
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set { itemRotation = value; }
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}
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//[Initable(Vector2.Zero)]
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//private Vector2 ItemPos
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//{
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// set { itemPos = ConvertUnits.ToSimUnits(value); }
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//}
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//[Initable(Vector2.Zero)]
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//private Vector2 ItemInterval
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//{
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// set { itemInterval = ConvertUnits.ToSimUnits(value); }
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//}
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public ItemContainer(Item item, XElement element)
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: base (item, element)
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{
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inventory = new ItemInventory(this, capacity);
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containableItems = new List<RelatedItem>();
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itemPos = ToolBox.GetAttributeVector2(element, "ItemPos", Vector2.Zero);
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itemPos = ConvertUnits.ToSimUnits(itemPos);
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itemInterval = ToolBox.GetAttributeVector2(element, "ItemInterval", Vector2.Zero);
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itemInterval = ConvertUnits.ToSimUnits(itemInterval);
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foreach (XElement subElement in element.Elements())
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{
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switch (subElement.Name.ToString().ToLower())
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{
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case "containable":
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RelatedItem containable = RelatedItem.Load(subElement);
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if (containable!=null) containableItems.Add(containable);
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break;
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}
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}
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}
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public void RemoveContained(Item item)
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{
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inventory.RemoveItem(item);
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}
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public bool CanBeContained(Item item)
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{
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return (containableItems.Find(x => x.MatchesItem(item)) != null);
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}
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public override void Update(float deltaTime, Camera cam)
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{
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foreach (Item contained in inventory.items)
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{
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if (contained == null) continue;
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if (contained.body!=null) contained.body.Enabled = !hideItems;
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RelatedItem ri = containableItems.Find(x => x.MatchesItem(item));
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if (ri == null) continue;
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foreach (StatusEffect effect in ri.statusEffects)
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{
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if (effect.Targets.HasFlag(StatusEffect.Target.This)) effect.Apply(ActionType.OnContaining, deltaTime, item);
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if (effect.Targets.HasFlag(StatusEffect.Target.Contained)) effect.Apply(ActionType.OnContaining, deltaTime, contained);
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}
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contained.ApplyStatusEffects(ActionType.OnContained, deltaTime);
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}
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if (hideItems) return;
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Vector2 transformedItemPos;
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Vector2 transformedItemInterval = itemInterval;
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//float transformedItemRotation = itemRotation;
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if (item.body==null)
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{
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transformedItemPos = new Vector2(item.Rect.X, item.Rect.Y);
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transformedItemPos = ConvertUnits.ToSimUnits(transformedItemPos) + itemPos;
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}
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else
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{
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Matrix transform = Matrix.CreateRotationZ(item.body.Rotation);
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transformedItemPos = Vector2.Transform(item.body.Position + itemPos, transform);
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transformedItemInterval = Vector2.Transform(transformedItemInterval, transform);
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//transformedItemRotation += item.body.Rotation;
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}
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foreach (Item containedItem in inventory.items)
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{
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if (containedItem == null) continue;
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Vector2 itemDist = (transformedItemPos - containedItem.body.Position);
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Vector2 force = (itemDist - containedItem.body.LinearVelocity * 0.1f) * containedItem.body.Mass * 60.0f;
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containedItem.body.ApplyForce(force);
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containedItem.body.SmoothRotate(itemRotation);
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transformedItemPos += transformedItemInterval;
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}
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}
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public override void DrawHUD(SpriteBatch spriteBatch, Character character)
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{
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if (!drawInventory && false) return;
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inventory.Draw(spriteBatch);
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}
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public override bool Pick(Character picker)
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{
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if (picker == null) return false;
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//picker.SelectedConstruction = item;
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return true;
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}
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public override bool Combine(Item item)
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{
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if (containableItems.Find(x => x.MatchesItem(item)) == null) return false;
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if (inventory.TryPutItem(item))
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{
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isActive = true;
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if (hideItems) item.body.Enabled = false;
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item.container = this.item;
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return true;
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}
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return false;
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}
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public override void OnMapLoaded()
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{
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for (int i = 0; i < itemIds.Length; i++)
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{
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Item item = MapEntity.FindEntityByID(itemIds[i]) as Item;
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if (item == null) continue;
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inventory.TryPutItem(item, i, false);
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}
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itemIds = null;
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}
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public override void Load(XElement componentElement)
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{
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base.Load(componentElement);
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string containedString = ToolBox.GetAttributeString(componentElement, "contained", "");
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string[] itemIdStrings = containedString.Split(',');
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itemIds = new int[itemIdStrings.Length];
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for (int i = 0; i < itemIdStrings.Length; i++)
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{
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int id = -1;
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if (!int.TryParse(itemIdStrings[i], out id)) continue;
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itemIds[i] = id;
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}
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}
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int[] itemIds;
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public override XElement Save(XElement parentElement)
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{
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XElement componentElement = base.Save(parentElement);
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string[] itemIdStrings = new string[inventory.items.Length];
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for (int i = 0; i < inventory.items.Length; i++)
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{
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itemIdStrings[i] = (inventory.items[i]==null) ? "-1" : inventory.items[i].ID.ToString();
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}
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componentElement.Add(new XAttribute("contained", string.Join(",",itemIdStrings)));
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return componentElement;
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}
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}
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}
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