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101 lines
4.3 KiB
C#
101 lines
4.3 KiB
C#
2 months ago
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// Animancer // Copyright 2020 Kybernetik //
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#pragma warning disable CS0649 // Field is never assigned to, and will always have its default value.
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using Animancer.FSM;
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using System;
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using UnityEngine;
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namespace Animancer.Examples.StateMachines.Creatures
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{
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/// <summary>
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/// A centralised group of references to the common parts of a creature and a state machine for their actions.
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/// </summary>
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[AddComponentMenu(Strings.MenuPrefix + "Examples/Creatures - Creature")]
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[HelpURL(Strings.APIDocumentationURL + ".Examples.StateMachines.Creatures/Creature")]
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[DefaultExecutionOrder(-5000)]// Initialise the State Machine early.
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public sealed class Creature : MonoBehaviour
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{
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/************************************************************************************************************************/
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[SerializeField]
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private AnimancerComponent _Animancer;
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public AnimancerComponent Animancer { get { return _Animancer; } }
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[SerializeField]
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private CreatureState _Idle;
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public CreatureState Idle { get { return _Idle; } }
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// Rigidbody.
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// Ground Detector.
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// Stats.
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// Health and Mana.
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// Pathfinding.
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// Etc.
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// Anything common to most creatures.
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/************************************************************************************************************************/
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/// <summary>
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/// The Finite State Machine that manages the actions of this creature.
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/// </summary>
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public StateMachine<CreatureState> StateMachine { get; private set; }
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/// <summary>
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/// Forces the <see cref="StateMachine"/> to return to the <see cref="Idle"/> state.
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/// </summary>
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public Action ForceIdleState { get; private set; }
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/************************************************************************************************************************/
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private void Awake()
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{
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// Note that this class has a [DefaultExecutionOrder] attribute to ensure that this method runs before any
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// other components that might want to access it.
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ForceIdleState = () => StateMachine.ForceSetState(_Idle);
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StateMachine = new StateMachine<CreatureState>(_Idle);
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}
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/************************************************************************************************************************/
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/// <summary>
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/// Calls <see cref="StateMachine{TState}.TrySetState"/>. Normally you would just access the
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/// <see cref="StateMachine"/> directly. This method only exists to be called by UI buttons.
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/// </summary>
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public void TrySetState(CreatureState state)
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{
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StateMachine.TrySetState(state);
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}
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/************************************************************************************************************************/
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#if UNITY_EDITOR
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/************************************************************************************************************************/
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/// <summary>[Editor-Only]
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/// Inspector Gadgets Pro calls this method after drawing the regular Inspector GUI, allowing this script to
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/// display its current state in Play Mode.
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/// </summary>
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/// <remarks>
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/// Inspector Gadgets Pro allows you to easily customise the Inspector without writing a full custom Inspector
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/// class by simply adding a method with this name. Without Inspector Gadgets, this method will do nothing.
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/// It can be purchased from https://kybernetik.com.au/inspector-gadgets/pro
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/// </remarks>
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private void AfterInspectorGUI()
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{
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if (UnityEditor.EditorApplication.isPlaying)
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{
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var enabled = GUI.enabled;
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GUI.enabled = false;
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UnityEditor.EditorGUILayout.ObjectField("Current State", StateMachine.CurrentState, typeof(CreatureState), true);
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GUI.enabled = enabled;
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}
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}
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/************************************************************************************************************************/
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#endif
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/************************************************************************************************************************/
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}
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}
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