Gameplay Ingredients是一组用于 Unity 游戏的运行时和编辑器工具:一组脚本的集合,可在制作游戏和原型时简化简单的任务。
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258 行
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using NaughtyAttributes;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using UnityEngine;
namespace GameplayIngredients
{
[HelpURL(Help.URL + "factory")]
[AddComponentMenu(ComponentMenu.factoryPath + "Factory")]
[AdvancedHierarchyIcon("Packages/net.peeweek.gameplay-ingredients/Icons/Misc/ic-Factory.png")]
public class Factory : GameplayIngredientsBehaviour
{
public enum BlueprintSelectionMode
{
Random,
Sequential,
Shuffle,
GameSave
}
public enum SpawnTargetSelection
{
OneSequential,
OneRandom,
All
}
public enum SpawnLocation
{
Default,
SameSceneAsTarget,
ChildOfTarget,
DontDestroyOnLoad
}
[Header("Blueprint")]
[ReorderableList, NoLabel, NonNullCheck]
public GameObject[] FactoryBlueprints;
public BlueprintSelectionMode blueprintSelecionMode = BlueprintSelectionMode.Random;
[ShowIf("usesGameSave")]
public GameSaveManager.Location gameSaveLocation = GameSaveManager.Location.User;
[ShowIf("usesGameSave")]
public string gameSaveVariableName = "FactoryBPIndex";
[ShowIf("usesGameSave")]
public int defaultGameSaveIndex = 0;
[Header("Spawn Target")]
[NonNullCheck]
public GameObject SpawnTarget;
public SpawnLocation spawnLocation = SpawnLocation.SameSceneAsTarget;
[Tooltip("Sacrifices oldest instance if necessary")]
public bool SacrificeOldest = false;
[Header("Reap and Respawn")]
public bool RespawnTarget = true;
public float RespawnDelay = 3.0f;
public bool ReapInstancesOnDestroy = true;
[Min(1), SerializeField]
private int MaxInstances = 1;
public Callable[] OnSpawn;
public Callable[] OnRespawn;
List<GameObject> m_Instances;
private void OnEnable()
{
if(m_Instances != null)
m_Instances.RemoveAll(item => item == null);
}
private void OnDestroy()
{
if(ReapInstancesOnDestroy && m_Instances != null)
{
foreach(var instance in m_Instances)
{
if (instance != null)
Destroy(instance);
}
}
}
bool usesGameSave()
{
return blueprintSelecionMode == BlueprintSelectionMode.GameSave;
}
public void SetTarget(GameObject target)
{
if(target != null)
{
SpawnTarget = target;
}
}
public GameObject GetInstance(int index)
{
if (m_Instances != null && m_Instances.Count > index)
return m_Instances[index];
else
return null;
}
public void Spawn()
{
if(SpawnTarget == null || FactoryBlueprints == null || FactoryBlueprints.Length == 0)
{
Debug.LogWarning(string.Format("Factory '{0}' : Cannot spawn as there are no spawn target or factory blueprints", gameObject.name));
return;
}
if (m_Instances == null)
m_Instances = new List<GameObject>();
if(m_Instances.Count == MaxInstances && SacrificeOldest)
{
var oldest = m_Instances[0];
m_Instances.RemoveAt(0);
Destroy(oldest);
}
if (m_Instances.Count < MaxInstances)
{
GameObject newInstance = Spawn(SelectBlueprint(), SpawnTarget);
switch(spawnLocation)
{
case SpawnLocation.Default:
break;
case SpawnLocation.SameSceneAsTarget:
UnityEngine.SceneManagement.SceneManager.MoveGameObjectToScene( newInstance, SpawnTarget.scene);
break;
case SpawnLocation.ChildOfTarget:
newInstance.transform.parent = SpawnTarget.transform;
break;
case SpawnLocation.DontDestroyOnLoad:
DontDestroyOnLoad(newInstance);
break;
}
m_Instances.Add(newInstance);
Callable.Call(OnSpawn, newInstance);
}
}
private void LateUpdate()
{
if(m_Instances != null)
{
List<int> todelete = new List<int>();
for(int i = 0; i < m_Instances.Count; i++)
{
if(m_Instances[i] == null)
{
todelete.Add(i);
}
}
foreach (var index in todelete)
{
m_Instances.RemoveAt(index);
if(RespawnTarget)
AddRespawnCoroutine();
}
}
}
private List<Coroutine> m_RespawnCoroutines;
private void AddRespawnCoroutine()
{
if (m_RespawnCoroutines == null)
m_RespawnCoroutines = new List<Coroutine>();
else
{
m_RespawnCoroutines.RemoveAll(o => o == null);
}
m_RespawnCoroutines.Add(StartCoroutine(Respawn(RespawnDelay)));
}
private IEnumerator Respawn(float time)
{
yield return new WaitForSeconds(time);
Callable.Call(OnRespawn, this.gameObject);
Spawn();
}
private GameObject Spawn(GameObject blueprint, GameObject target)
{
var Go = Instantiate(blueprint, target.transform.position, target.transform.rotation);
Go.name = (blueprint.name);
return Go;
}
int currentBlueprintIndex = -1;
private GameObject SelectBlueprint()
{
if(FactoryBlueprints == null || FactoryBlueprints.Length == 0)
{
Debug.LogError($"Factory '{gameObject.name}' could not spawn anything as there are no blueprints set up");
return null;
}
switch(blueprintSelecionMode)
{
default:
case BlueprintSelectionMode.Random:
currentBlueprintIndex = Random.Range(0, FactoryBlueprints.Length);
break;
case BlueprintSelectionMode.Sequential:
currentBlueprintIndex = (currentBlueprintIndex++) % FactoryBlueprints.Length;
break;
case BlueprintSelectionMode.Shuffle:
currentBlueprintIndex = Shuffle(currentBlueprintIndex);
break;
case BlueprintSelectionMode.GameSave:
currentBlueprintIndex = GetFromGameSave();
break;
}
return FactoryBlueprints[currentBlueprintIndex];
}
List<int> shuffleIndices;
private int Shuffle(int i)
{
if(shuffleIndices == null || shuffleIndices.Count != FactoryBlueprints.Length)
{
shuffleIndices = Enumerable.Range(0, FactoryBlueprints.Length).OrderBy(x => Random.value).ToList();
}
return shuffleIndices[(shuffleIndices.IndexOf(i) + 1) % shuffleIndices.Count];
}
private int GetFromGameSave()
{
var gsm = Manager.Get<GameSaveManager>();
int index = -1;
if(gsm.HasInt(gameSaveVariableName, gameSaveLocation))
{
index = gsm.GetInt(gameSaveVariableName, gameSaveLocation);
}
else
{
index = defaultGameSaveIndex;
}
return Mathf.Clamp(index, 0, FactoryBlueprints.Length - 1);
}
}
}