Traveller/scripts/utils/NodeUtils.cs
2024-10-11 17:59:47 +08:00

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using System;
using ColdMint.scripts.character;
using ColdMint.scripts.debug;
using ColdMint.scripts.pickable;
using ColdMint.scripts.projectile;
using Godot;
using Packsack = ColdMint.scripts.inventory.Packsack;
using PacksackUi = ColdMint.scripts.loader.uiLoader.PacksackUi;
using WeaponTemplate = ColdMint.scripts.weapon.WeaponTemplate;
namespace ColdMint.scripts.utils;
/// <summary>
/// <para>Node Utils</para>
/// <para>节点工具</para>
/// </summary>
public static class NodeUtils
{
/// <summary>
/// <para>Delete all child nodes</para>
/// <para>删除所有子节点</para>
/// </summary>
/// <param name="parent"></param>
public static int DeleteAllChild(Node parent)
{
var deleteNumber = 0;
var count = parent.GetChildCount();
if (count <= 0) return deleteNumber;
for (var i = 0; i < count; i++)
{
var node = parent.GetChild(0);
parent.RemoveChild(node);
node.QueueFree();
deleteNumber++;
}
return deleteNumber;
}
/// <summary>
/// <para>Call the method to set the parent node at leisure</para>
/// <para>在空闲时刻调用设置父节点的方法</para>
/// </summary>
/// <param name="parentNode"></param>
/// <param name="childNode"></param>
public static void CallDeferredReparent(Node parentNode, Node childNode)
{
childNode.CallDeferred(Node.MethodName.Reparent, parentNode);
}
/// <summary>
/// <para>ShowNode</para>
/// <para>显示节点</para>
/// </summary>
/// <param name="node">
///<para>node</para>
///<para>节点</para>
/// </param>
/// <returns>
///<para>Is it displayed successfully?</para>
///<para>是否显示成功</para>
/// </returns>
public static bool ShowNode(Node node)
{
if (node is Node2D node2D)
{
node2D.Show();
return true;
}
if (node is CanvasItem canvasItem)
{
canvasItem.Show();
return true;
}
return false;
}
/// <summary>
/// <para>hidden node</para>
/// <para>隐藏节点</para>
/// </summary>
/// <param name="node">
///<para>Node to hide</para>
///<para>要隐藏的节点</para>
/// </param>
/// <returns>
///<para>Hide success or not</para>
///<para>是否隐藏成功</para>
/// </returns>
public static bool HideNode(Node node)
{
if (node is Node2D node2D)
{
node2D.Hide();
return true;
}
if (node is CanvasItem canvasItem)
{
canvasItem.Hide();
return true;
}
return false;
}
/// <summary>
/// <para>Sets child nodes for a node</para>
/// <para>为某个节点设置子节点</para>
/// </summary>
/// <param name="parentNode"></param>
/// <param name="childNode"></param>
public static void CallDeferredAddChild(Node parentNode, Node childNode)
{
parentNode.CallDeferred("add_child", childNode);
}
/// <summary>
/// <para>Traverse the child nodes of type T under the parent node</para>
/// <para>遍历父节点下T类型的子节点</para>
/// </summary>
/// <param name="parent"></param>
/// <param name="func">
///<para>A function that handles callbacks and returns true to terminate the traversal of the node</para>
///<para>用于处理回调的函数返回true终止遍历节点</para>
/// </param>
/// <typeparam name="T">
///<para>Specifies the generic type</para>
///<para>指定的泛型</para>
/// </typeparam>
public static void ForEachNode<T>(Node parent, Func<T, bool> func) where T : class
{
var count = parent.GetChildCount();
if (count <= 0)
{
return;
}
for (var i = 0; i < count; i++)
{
var node = parent.GetChild(i);
if (node is not T t) continue;
if (func.Invoke(t))
{
break;
}
}
}
/// <summary>
/// <para>Gets the node closest to the origin</para>
/// <para>获取距离原点最近的节点</para>
/// </summary>
/// <param name="origin">
///<para>origin</para>
///<para>原点</para>
/// </param>
/// <param name="array">
///<para>Node array</para>
///<para>节点数组</para>
/// </param>
/// <param name="excludeInvisibleNodes">
///<para>Whether or not unseen nodes should be excluded</para>
///<para>是否排除不可见的节点</para>
/// </param>
/// <param name="filter">
///<para>Filter, which returns true within the function to filter the specified node.</para>
///<para>过滤器在函数内返回true则过滤指定节点。</para>
/// </param>
/// <returns></returns>
public static Node2D? GetTheNearestNode(Node2D origin, Node[] array,
bool excludeInvisibleNodes = true, Func<Node2D, bool>? filter = null)
{
var closestDistance = float.MaxValue;
Node2D? closestNode = null;
foreach (var node in array)
{
if (node is not Node2D node2D) continue;
if (excludeInvisibleNodes && !node2D.Visible)
{
//If invisible nodes are excluded and the current node is invisible, then the next.
//如果排除不可见的节点,且当前节点就是不可见的,那么下一个。
continue;
}
if (filter != null && filter.Invoke(node2D))
{
//If there is a filter, and the filter returns true, then the next.
//如果有过滤器且过滤器返回true那么下一个。
continue;
}
var distance = node2D.GlobalPosition.DistanceTo(origin.GlobalPosition);
if (distance < closestDistance)
{
closestDistance = distance;
closestNode = node2D;
}
}
return closestNode;
}
/// <summary>
/// <para>Find the corresponding container node based on the child node</para>
/// <para>根据子节点查找对应的容器节点</para>
/// </summary>
/// <remarks>
///<para>We want child nodes to be placed under a specific parent node to facilitate the same management. For example, the weapon node should be placed inside the Weapon container node. We call a parent node of the same type as a child node a "container". This method is used to find the corresponding node container based on the type of the child node.</para>
///<para>我们希望子节点被放置在特定的父节点下,方便同一管理。例如:武器节点应该被放置在“武器容器”节点内。我们将子节点的类型相同的父节点叫做“容器”。此方法用于根据子节点的类型查找对应的节点容器。</para>
/// </remarks>
/// <param name="childNode">
///<para>childNode</para>
///<para>子节点</para>
/// </param>
/// <param name="defaultParentNode">
///<para>Default parent, which returns the default node if it cannot be matched by type.</para>
///<para>默认父节点,当按照类型无法匹配时,将返回默认节点。</para>
/// </param>
/// <returns></returns>
public static Node FindContainerNode(Node childNode, Node defaultParentNode)
{
if (GameSceneDepend.AiCharacterContainer != null && childNode is AiCharacter)
{
return GameSceneDepend.AiCharacterContainer;
}
if (GameSceneDepend.ProjectileContainer != null && childNode is Projectile)
{
return GameSceneDepend.ProjectileContainer;
}
if (GameSceneDepend.SpellContainer != null && childNode is ISpell)
{
return GameSceneDepend.SpellContainer;
}
if (GameSceneDepend.WeaponContainer != null && childNode is WeaponTemplate)
{
return GameSceneDepend.WeaponContainer;
}
if (GameSceneDepend.PacksackContainer != null && childNode is Packsack)
{
return GameSceneDepend.PacksackContainer;
}
if (GameSceneDepend.DynamicUiGroup != null && childNode is PacksackUi)
{
return GameSceneDepend.DynamicUiGroup;
}
if (GameSceneDepend.PickAbleContainer != null && childNode is PickAbleTemplate)
{
return GameSceneDepend.PickAbleContainer;
}
return defaultParentNode;
}
/// <summary>
/// <para>Instantiate the scene and transform it into a node of the target type</para>
/// <para>实例化场景并将其转换为目标类型的节点</para>
/// </summary>
/// <param name="packedScene">
///<para>packedScene</para>
///<para>打包的场景</para>
/// </param>
/// <typeparam name="T">
///<para>genericity</para>
///<para>泛型</para>
/// </typeparam>
/// <returns>
///<para>If the returned type is the target type, the node converted to the target type is returned, otherwise null is returned</para>
///<para>如果返回的类型是目标类型那么返回转换到目标类型的节点否则返回null</para>
/// </returns>
public static T? InstantiatePackedScene<T>(PackedScene packedScene)
where T : class
{
var node = packedScene.Instantiate();
// Check the type conversion and return the result successfully
// 检查类型转化,成功返回结果
if (node is T result) return result;
// If the transformation fails, release the created node
//如果转型失败,释放所创建的节点
LogCat.LogWarningWithFormat("warning_node_cannot_cast_to", LogCat.LogLabel.Default, node, nameof(T));
node.QueueFree();
return null;
}
}