public ComponentType GetTypeFor(Type component)
{
ComponentType result;
if (!componentTypes.TryGetValue(component, out result))
{
int index = componentTypeCount++;
result = new ComponentType(component, index);
componentTypes.Add(component, result);
Types[index] = result;
}
return result;
}
public void TestComponentTypeBit()
{
bool int32Used = typeof(ComponentType).GetProperty("Bit").PropertyType == typeof(global::System.Int32);
// Ugly resetting of private static fields in case the type has already been initialized and used
typeof(ComponentType).GetField("nextId", BindingFlags.Static | BindingFlags.NonPublic).SetValue(null, 0);
if (int32Used)
typeof(ComponentType).GetField("nextBit", BindingFlags.Static | BindingFlags.NonPublic).SetValue(null, 1);
else
typeof(ComponentType).GetField("nextBit", BindingFlags.Static | BindingFlags.NonPublic).SetValue(null, (BigInteger)1);
if (int32Used)
{
for (int i = 0; i < 32; i++)
{
Assert.AreEqual(1 << i, new ComponentType().Bit);
}
}
else
{
for (int i = 0; i < 32; i++)
{
#if UNITY5
Assert.AreEqual(new BigInteger(1) << i, new ComponentType().Bit);
#else
Assert.AreEqual(BigInteger.One << i, new ComponentType().Bit);
#endif
}
}
// If ComponentType.Bit property is compiled as Int32,
// next (33rd) ComponentType instance will get invalid (overflown) Bit value.
// Should get exception instead of silent overflow.
bool thrown = false;
try
{
var badCtype = new ComponentType();
}
catch (InvalidOperationException)
{
thrown = true;
}
if (int32Used)
{
Assert.IsTrue(thrown, "33rd ComponentType constructor should fail when Int32 bit type is used");
}
else
{
Assert.IsFalse(thrown, "33rd ComponentType constructor should not fail when BigInteger bit type is used");
}
}
/// <summary><para>Removes the component.</para>
/// <para>Faster removal of components from a entity.</para></summary>
/// <param name="componentType">The type.</param>
public void RemoveComponent(ComponentType componentType)
{
Debug.Assert(componentType != null, "Component type must not be null.");
this.entityManager.RemoveComponent(this, componentType);
}
/// <summary>
/// <para>Gets the component.</para>
/// <para>Slower retrieval of components from this entity.</para>
/// <para>Minimize usage of this, but is fine to use e.g. when</para>
/// <para>creating new entities and setting data in components.</para>
/// </summary>
/// <param name="componentType">Type of the component.</param>
/// <returns>component that matches, or null if none is found.</returns>
public IComponent GetComponent(ComponentType componentType)
{
Debug.Assert(componentType != null, "Component type must not be null.");
return(this.entityManager.GetComponent(this, componentType));
}
public void RemoveComponent <T>(Entity e, Component component) where T : Component
{
ComponentType type = ComponentTypeManager.GetTypeFor <T>();
RemoveComponent(e, type);
}
/**
* This is the preferred method to use when retrieving a component from a entity. It will provide good performance.
*
* @param type in order to retrieve the component fast you must provide a ComponentType instance for the expected component.
* @return
*/
public Component GetComponent(ComponentType type)
{
return(entityManager.GetComponent(this, type));
}
/**
* Faster removal of components from a entity.
* @param component to remove from this entity.
*/
public void RemoveComponent(ComponentType type)
{
entityManager.RemoveComponent(this, type);
}
