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Use placeholders to resolve the problem that an empty slot cannot be selected in the shortcut bar.

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使用占位符来解决快捷栏无法选中空槽位的问题。
This commit is contained in:
Cold-Mint 2024-09-23 23:17:57 +08:00
parent 63680a9410
commit b7c3651462
Signed by: Cold-Mint
GPG Key ID: C5A9BF8A98E0CE99
6 changed files with 100 additions and 24 deletions
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6
scripts/inventory/HotBar.cs
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@ -15,7 +15,11 @@ public partial class HotBar : HBoxContainer
public override void _Ready()
{
base._Ready();
_itemContainer = new UniversalItemContainer(Config.HotBarSize);
var universalItemContainer = new UniversalItemContainer(Config.HotBarSize)
{
EnablePlaceholder = true
};
_itemContainer = universalItemContainer;
_itemContainer.SupportSelect = true;
_itemContainerDisplay = new ItemSlotContainerDisplay(this);
_itemContainerDisplay.BindItemContainer(_itemContainer);

6
scripts/inventory/IItemContainer.cs
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@ -47,6 +47,12 @@ public interface IItemContainer : IEnumerable<IItem>
/// </summary>
public bool SupportSelect { get; set; }
/// <summary>
/// <para>Gets a placeholder object</para>
/// <para>获取占位符对象</para>
/// </summary>
/// <returns></returns>
IItem? GetPlaceHolderItem();
/// <summary>
/// <para>Gets the selected location</para>

32
scripts/inventory/ItemContainerDisplayTemplate.cs
View File

@ -1,6 +1,5 @@
using System.Collections;
using System.Collections.Generic;
using System.Threading.Tasks;
using ColdMint.scripts.map.events;
namespace ColdMint.scripts.inventory;
@ -105,7 +104,21 @@ public abstract class ItemContainerDisplayTemplate : IItemContainerDisplay
for (var i = startIndex; i < endIndex; i++)
{
var itemDisplay = ItemDisplayList[i];
itemDisplay.Update(i < usedCapacity ? itemContainer.GetItem(i) : null);
if (i < usedCapacity)
{
itemDisplay.Update(itemContainer.GetItem(i));
}
else
{
var placeHolderItem = itemContainer.GetPlaceHolderItem();
if (placeHolderItem != null)
{
placeHolderItem.IsSelect = i == itemContainer.GetSelectIndex();
}
itemDisplay.Update(placeHolderItem);
}
itemDisplay.ShowSelf();
}
}
@ -120,7 +133,20 @@ public abstract class ItemContainerDisplayTemplate : IItemContainerDisplay
private void UpdateDataForSingleLocation(IItemContainer itemContainer, int index, int usedCapacity)
{
var itemDisplay = ItemDisplayList[index];
itemDisplay.Update(index < usedCapacity ? itemContainer.GetItem(index) : null);
if (index < usedCapacity)
{
itemDisplay.Update(itemContainer.GetItem(index));
}
else
{
var placeHolderItem = itemContainer.GetPlaceHolderItem();
if (placeHolderItem != null)
{
placeHolderItem.IsSelect = index == itemContainer.GetSelectIndex();
}
itemDisplay.Update(placeHolderItem);
}
}
/// <summary>

2
scripts/inventory/Packsack.cs
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@ -1,4 +1,4 @@
using ColdMint.scripts.pickable;
using ColdMint.scripts.pickable;
using ColdMint.scripts.utils;
using Godot;
using PacksackUi = ColdMint.scripts.loader.uiLoader.PacksackUi;

6
scripts/inventory/PlaceholderItem.cs
View File

@ -3,8 +3,8 @@ using Godot;
namespace ColdMint.scripts.inventory;
/// <summary>
/// <para>A blank item used to occupy a space in the display. The IsSelect property is set to true so that the item display always appears selected when drawn.</para>
/// <para>物品容器显示器内用于占位的空白物品。IsSelect属性设置为true，使得物品显示器绘制时总是显示为选中状态。</para>
/// <para>PlaceholderItem</para>
/// <para>占位物品</para>
/// </summary>
public class PlaceholderItem : IItem
{
@ -14,7 +14,7 @@ public class PlaceholderItem : IItem
public string? Description { get; } = null;
public int Quantity { get; set; } = 1;
public int MaxQuantity { get; } = 1;
public bool IsSelect { get; set; } = true;
public bool IsSelect { get; set; }
public int MergeableItemCount(IItem other, int unallocatedQuantity)
{

60
scripts/inventory/UniversalItemContainer.cs
View File

@ -43,7 +43,7 @@ public class UniversalItemContainer(int totalCapacity) : IItemContainer
{
//If the capacity is not full, directly return to add items
//如果未占满容量，直接返回可添加物品
if (GetUsedCapacity() < GetTotalCapacity())
if (GetUsedCapacity() < totalCapacity)
{
return true;
}
@ -76,12 +76,16 @@ public class UniversalItemContainer(int totalCapacity) : IItemContainer
return unallocatedQuantity < 1;
}
private void UpdateSelectStatus(int index, IItem item)
{
item.IsSelect = index == _selectIndex;
}
public int AddItem(IItem item)
{
if (item.MaxQuantity == 1)
{
if (GetUsedCapacity() >= GetTotalCapacity())
if (GetUsedCapacity() >= totalCapacity)
{
//Items cannot be stacked and cannot be added if the capacity is full.
//物品不能叠加，且容量已满，则无法添加。
@ -89,6 +93,7 @@ public class UniversalItemContainer(int totalCapacity) : IItemContainer
}
_itemList.Add(item);
UpdateSelectStatus(_itemList.Count - 1, item);
ItemDataChangeEvent?.Invoke(new ItemDataChangeEvent
{
NewItem = item,
@ -130,7 +135,7 @@ public class UniversalItemContainer(int totalCapacity) : IItemContainer
//New items have some left over.
//新物品有一些剩余。
if (GetUsedCapacity() >= GetTotalCapacity())
if (GetUsedCapacity() >= totalCapacity)
{
//The capacity is full. The remaining capacity cannot be stored.
//容量已满，无法存放剩余。
@ -140,6 +145,7 @@ public class UniversalItemContainer(int totalCapacity) : IItemContainer
//Add the rest to the container.
//添加剩余到容器内。
_itemList.Add(item);
UpdateSelectStatus(_itemList.Count - 1, item);
ItemDataChangeEvent?.Invoke(new ItemDataChangeEvent
{
NewItem = item,
@ -150,6 +156,12 @@ public class UniversalItemContainer(int totalCapacity) : IItemContainer
}
public bool SupportSelect { get; set; }
public bool EnablePlaceholder { get; set; }
public IItem? GetPlaceHolderItem()
{
return EnablePlaceholder ? new PlaceholderItem() : null;
}
public int GetSelectIndex()
{
@ -158,7 +170,12 @@ public class UniversalItemContainer(int totalCapacity) : IItemContainer
public IItem? GetSelectItem()
{
return _itemList.Count == 0 ? null : _itemList[_selectIndex];
if (_itemList.Count == 0)
{
return null;
}
return _selectIndex < _itemList.Count ? _itemList[_selectIndex] : null;
}
public IItem? GetItem(int index)
@ -247,7 +264,7 @@ public class UniversalItemContainer(int totalCapacity) : IItemContainer
public void SelectNextItem()
{
var count = _itemList.Count;
var count = EnablePlaceholder ? totalCapacity : _itemList.Count;
if (count == 0)
{
return;
@ -257,7 +274,7 @@ public class UniversalItemContainer(int totalCapacity) : IItemContainer
var newSelectIndex = _selectIndex + 1;
if (newSelectIndex >= count)
{
newSelectIndex = count - 1;
newSelectIndex = 0;
}
PrivateSelectItem(oldSelectIndex, newSelectIndex);
@ -265,7 +282,7 @@ public class UniversalItemContainer(int totalCapacity) : IItemContainer
public void SelectPreviousItem()
{
var count = _itemList.Count;
var count = EnablePlaceholder ? totalCapacity : _itemList.Count;
if (count == 0)
{
return;
@ -294,10 +311,23 @@ public class UniversalItemContainer(int totalCapacity) : IItemContainer
return;
}
var oldItem = _itemList[oldIndex];
//There is no need to broadcast placeholders when an event is invoked.
//在调用事件时，无需广播占位符。
var oldItem = GetItem(oldIndex);
if (oldItem != null)
{
oldItem.IsSelect = false;
var newItem = _itemList[newIndex];
}
//There is no need to broadcast placeholders when an event is invoked.
//在调用事件时，无需广播占位符。
var newItem = GetItem(newIndex);
if (newItem != null)
{
newItem.IsSelect = true;
}
_selectIndex = newIndex;
SelectedItemChangeEvent?.Invoke(new SelectedItemChangeEvent
{
NewIndex = newIndex,
@ -305,11 +335,20 @@ public class UniversalItemContainer(int totalCapacity) : IItemContainer
NewItem = newItem,
OldItem = oldItem
});
_selectIndex = newIndex;
}
public void SelectItem(int index)
{
if (EnablePlaceholder)
{
if (totalCapacity == 0)
{
return;
}
PrivateSelectItem(_selectIndex, index % totalCapacity);
}
else
{
var safeIndex = GetSafeIndex(index);
if (safeIndex == UnknownIndex)
@ -319,4 +358,5 @@ public class UniversalItemContainer(int totalCapacity) : IItemContainer
PrivateSelectItem(_selectIndex, safeIndex);
}
}
}