public int AddComponent <T>(T component) where T : IComponent
{
int index = ComponentIndex <T> .FindIn(_contextInfo);
AddComponent(index, component);
return(index);
}
//
// kamran : Get an index from Entitas
//
public int GetIndex <T>(bool useExisted = true) where T : IComponent, new()
{
//T component;
int index = ComponentIndex <T> .FindIn(_contextInfo);
return(index);
}
/// replace Component with a NEW one
public T ReplaceNew <T>() where T : IComponent, new()
{
int index = ComponentIndex <T> .FindIn(_contextInfo);
T component = CreateComponent <T>(index);
ReplaceComponent(index, component);
return(component);
}
/// replace Component with a NEW one
public static T ReplaceNewComponent <T>(this Entity entity) where T : IComponent, new()
{
int index = ComponentIndex <T> .FindIn(entity.contextInfo);
T component = entity.CreateComponent <T>(index);
entity.ReplaceComponent(index, component);
return(component);
}
public void Remove <T>(bool ignoreNotFound = true) where T : IComponent
{
int index = ComponentIndex <T> .FindIn(_contextInfo);
if (ignoreNotFound && !HasComponent(index))
{
return;
}
RemoveComponent(index);
}
public static void RemoveComponent <T>(this Entity entity, bool ignoreNotExists = false) where T : IComponent
{
int index = ComponentIndex <T> .FindIn(entity.contextInfo);
if (ignoreNotExists && !entity.HasComponent(index))
{
return;
}
entity.RemoveComponent(index);
}
/// add a new Component, return the old one if exists
public T Add <T>(bool useExisted = true) where T : IComponent, new()
{
T component;
int index = ComponentIndex <T> .FindIn(_contextInfo);
if (useExisted && HasComponent(index))
{
component = (T)GetComponent(index);
FireModifiedEvent(index, component);
}
else
{
component = CreateComponent <T>(index);
AddComponent(index, component);
}
return(component);
}
/// add a new Component, return the old one if exists
public static T AddComponent <T>(this Entity entity, bool keepOldIfExists = false) where T : IComponent, new()
{
int index = ComponentIndex <T> .FindIn(entity.contextInfo);
T component;
if (keepOldIfExists && entity.HasComponent(index))
{
component = (T)entity.GetComponent(index);
entity.MarkUpdated(index);
}
else
{
component = entity.CreateComponent <T>(index);
entity.AddComponent(index, component);
}
return(component);
}
/// Get Component for modification, mark automatically
public T Modify <T>() where T : IComponent
{
int index = ComponentIndex <T> .FindIn(_contextInfo);
return((T)ModifyComponent(index));
}
public T Get <T>() where T : IComponent
{
int index = ComponentIndex <T> .FindIn(_contextInfo);
return((T)GetComponent(index));
}
public bool Has <T>() where T : IComponent
{
int index = ComponentIndex <T> .FindIn(_contextInfo);
return(HasComponent(index));
}
/// Mark component modified, trigger GroupEvent and ReactiveSystem
public void SetModified <T>() where T : IComponent, new()
{
int index = ComponentIndex <T> .FindIn(_contextInfo);
SetModified(index);
}
/// Mark component-updated, trigger GroupEvent and ReactiveSystem
public static void MarkUpdated <T>(this Entity entity) where T : IComponent, new()
{
int index = ComponentIndex <T> .FindIn(entity.contextInfo);
entity.MarkUpdated(index);
}
/// shorter version of GetComponent<T>
public static T Get <T>(this Entity entity) where T : IComponent
{
int index = ComponentIndex <T> .FindIn(entity.contextInfo);
return((T)entity.GetComponent(index));
}
public static bool HasComponent <T>(this Entity entity) where T : IComponent
{
int index = ComponentIndex <T> .FindIn(entity.contextInfo);
return(entity.HasComponent(index));
}