99 lines
4.0 KiB
C#
99 lines
4.0 KiB
C#
using UnityEditor;
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using UnityEngine;
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using System.Linq;
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using System.Reflection;
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using System.Collections.Generic;
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namespace SK.Framework
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{
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[CustomEditor(typeof(FSM))]
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[CSDNUrl("https://coderz.blog.csdn.net/article/details/124760502?spm=1001.2014.3001.5502")]
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public class FSMInspector : AbstractEditor<FSM>
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{
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private class GUIContents
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{
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public static GUIContent switch2Next = new GUIContent("Next", "切换到下一状态");
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public static GUIContent switch2Last = new GUIContent("Last", "切换到上一状态");
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public static GUIContent switch2Null = new GUIContent("Null", "切换到空状态 （退出当前状态）");
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}
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private List<StateMachine> machines;
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private FieldInfo statesFieldInfo;
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private int currentMachineIndex;
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private string[] machinesName;
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protected override bool IsEnableBaseInspectorGUI
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{
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get
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{
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return true;
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}
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}
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protected override void OnRuntimeEnable()
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{
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//通过反射获取状态机列表
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machines = typeof(FSM).GetField("machines", BindingFlags.Instance | BindingFlags.NonPublic)
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.GetValue(FSM.Instance) as List<StateMachine>;
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//获取状态列表字段
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statesFieldInfo = typeof(StateMachine).GetField("states", BindingFlags.Instance | BindingFlags.NonPublic);
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}
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protected override void OnRuntimeInspectorGUI()
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{
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//当状态机名称数组为空（初始化） 或数量与状态机数量不等时（状态机列表发生变化）
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if (machinesName == null || machines.Count != machinesName.Length)
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{
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//重置当前状态机索引数值
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currentMachineIndex = 0;
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//重新获取状态机名称数组
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machinesName = machines.Select(m => m.Name).ToArray();
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}
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if (machines.Count > 0)
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{
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currentMachineIndex = EditorGUILayout.Popup("状态机：", currentMachineIndex, machinesName);
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var currentMachine = machines[currentMachineIndex];
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//获取当前状态机的状态列表
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var states = statesFieldInfo.GetValue(currentMachine) as List<IState>;
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GUILayout.BeginHorizontal();
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//提供切换到上一状态的Button按钮
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if (GUILayout.Button(GUIContents.switch2Last, "ButtonLeft"))
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{
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currentMachine.Switch2Last();
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}
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//提供切换到下一状态的Button按钮
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if (GUILayout.Button(GUIContents.switch2Next, "ButtonMid"))
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{
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currentMachine.Switch2Next();
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}
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//提供切换到空状态的Button按钮
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if (GUILayout.Button(GUIContents.switch2Null, "ButtonRight"))
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{
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currentMachine.Switch2Null();
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}
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GUILayout.EndHorizontal();
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GUILayout.BeginVertical("Box");
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for (int i = 0; i < states.Count; i++)
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{
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var state = states[i];
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//如果状态为当前状态 使用SelectionRect Style 否则使用IN Title Style进行区分
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GUILayout.BeginHorizontal(currentMachine.CurrentState == state ? "SelectionRect" : "IN Title");
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GUILayout.Label(state.Name);
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//如果状态不是当前状态 提供切换到该状态的Button按钮
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if (currentMachine.CurrentState != state)
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{
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if (GUILayout.Button("Switch", GUILayout.Width(55f)))
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{
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currentMachine.Switch(state);
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}
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}
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GUILayout.EndHorizontal();
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}
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GUILayout.EndVertical();
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}
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}
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}
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} |