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Instantiate a custom amount of objects on startup to save even more performance #1

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Instantiate a custom amount of objects on startup to save even more performance #1

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7bac544
Instantiate a custom amount of objects on startup
alfredbaudisch Nov 9, 2013
f21d05f
Create the pools with 10 instatiated bullets and explosions
alfredbaudisch Nov 9, 2013
8dfd186
GetAllOfType returns all inactive instances of prefab T
alfredbaudisch Nov 11, 2013
ef54b60
SpawnInactive is used instead of Spawn and RecycleAll when creating p…
alfredbaudisch Nov 11, 2013
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4 changes: 2 additions & 2 deletions Assets/ObjectPool/Demo/Scripts/Turret.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -8,8 +8,8 @@ public class Turret : MonoBehaviour

void Start()
{
bulletPrefab.CreatePool();
bulletPrefab.explosionPrefab.CreatePool();
bulletPrefab.CreatePool(10);
bulletPrefab.explosionPrefab.CreatePool(10);
}

void Update()
Expand Down
75 changes: 72 additions & 3 deletions Assets/ObjectPool/Scripts/ObjectPool.cs
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Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
using UnityEngine;
using System.Collections;
using System.Collections.Generic;
using System.Linq;

public sealed class ObjectPool : MonoBehaviour
{
Expand All @@ -16,9 +17,18 @@ public static void Clear()
}

public static void CreatePool<T>(T prefab) where T : Component
{
CreatePool(prefab, 0);
}

public static void CreatePool<T>(T prefab, int initialAmount) where T : Component
{
if (!instance.objectLookup.ContainsKey(prefab))
instance.objectLookup.Add(prefab, new List<Component>());

if(initialAmount > 0)
for(int i = 0; i < initialAmount; i++)
SpawnInactive(prefab);
}

public static T Spawn<T>(T prefab, Vector3 position, Quaternion rotation) where T : Component
Expand All @@ -44,6 +54,7 @@ public static T Spawn<T>(T prefab, Vector3 position, Quaternion rotation) where
return (T)obj;
}
}

obj = (T)Object.Instantiate(prefab, position, rotation);
instance.prefabLookup.Add(obj, prefab);
return (T)obj;
Expand All @@ -60,20 +71,58 @@ public static T Spawn<T>(T prefab) where T : Component
return Spawn(prefab, Vector3.zero, Quaternion.identity);
}

public static T SpawnInactive<T>(T prefab) where T : Component
{
if (!instance.objectLookup.ContainsKey(prefab))
instance.objectLookup.Add(prefab, new List<Component>());

var obj = (T)Object.Instantiate(prefab, Vector3.zero, Quaternion.identity);
obj.transform.parent = instance.transform;
obj.gameObject.SetActive(false);

instance.objectLookup[prefab].Add(obj);

return (T)obj;
}

public static void Recycle<T>(T obj) where T : Component
{
if (instance.prefabLookup.ContainsKey(obj))
if(instance.prefabLookup.ContainsKey(obj))
{
instance.objectLookup[instance.prefabLookup[obj]].Add(obj);
instance.prefabLookup.Remove(obj);
obj.transform.parent = instance.transform;
obj.gameObject.SetActive(false);

}
else
Object.Destroy(obj.gameObject);
}

public static void RecycleAll<T>(T obj) where T : Component
{
var active = instance.prefabLookup.Keys.Where(p => p.GetType() == typeof(T)).ToList();

if(active.Count > 0)
for(int i = 0; i < active.Count; i++)
Recycle(active[i]);
}

public static List<T> GetAllOfType<T>() where T : Component
{
var keys = instance.objectLookup.Keys.Where(p => p.GetType() == typeof(T)).ToList();

List<T> objects = new List<T>();

if(keys.Count > 0)
foreach(var key in keys)
if(instance.objectLookup[key].Count > 0)
foreach(var obj in instance.objectLookup[key])
objects.Add(obj as T);


return objects;
}

public static int Count<T>(T prefab) where T : Component
{
if (instance.objectLookup.ContainsKey(prefab))
Expand Down Expand Up @@ -102,6 +151,11 @@ public static void CreatePool<T>(this T prefab) where T : Component
{
ObjectPool.CreatePool(prefab);
}

public static void CreatePool<T>(this T prefab, int initialAmount) where T : Component
{
ObjectPool.CreatePool(prefab, initialAmount);
}

public static T Spawn<T>(this T prefab, Vector3 position, Quaternion rotation) where T : Component
{
Expand All @@ -115,14 +169,29 @@ public static T Spawn<T>(this T prefab) where T : Component
{
return ObjectPool.Spawn(prefab, Vector3.zero, Quaternion.identity);
}

public static T SpawnInactive<T>(this T prefab) where T : Component
{
return ObjectPool.SpawnInactive(prefab);
}

public static void Recycle<T>(this T obj) where T : Component
{
ObjectPool.Recycle(obj);
}

public static void RecycleAll<T>(this T obj) where T : Component
{
ObjectPool.RecycleAll(obj);
}

public static List<T> GetAllOfType<T>(this T prefab) where T : Component
{
return ObjectPool.GetAllOfType<T>();
}

public static int Count<T>(T prefab) where T : Component
{
return ObjectPool.Count(prefab);
}
}
}