public void OnEntityComponentChange(Entity entity, IComponent component)
{
List <ECSGroup> oldSystems;
if (!entityToGroupDic.TryGetValue(entity, out oldSystems))
{
oldSystems = new List <ECSGroup>();
entityToGroupDic.Add(entity, oldSystems);
}
List <ECSGroup> newGroupList = GetEntitySuportGroup(entity);
entityToGroupDic[entity] = newGroupList;
for (int i = 0; i < newGroupList.Count; i++)
{
ECSGroup sys = newGroupList[i];
if (!oldSystems.Contains(sys))
{
List <Entity> list = groupToEntityDic[sys];
if (list == null)
{
list = new List <Entity>();
}
list.Add(entity);
}
}
for (int i = 0; i < oldSystems.Count; i++)
{
ECSGroup sys = oldSystems[i];
if (!newGroupList.Contains(sys))
{
List <Entity> list = groupToEntityDic[sys];
if (list == null)
{
list = new List <Entity>();
}
list.Remove(entity);
}
}
}
private bool AddGroup(int key, string[] componentFilter)
{
if (componentFilter == null || componentFilter.Length == 0)
{
Debug.LogError("AddGroup 失败，参数不能为空！");
return(false);
}
if (allGroupDic.ContainsKey(key))
{
Debug.LogError("AddGroup 失败，名字重复！");
return(false);
}
ECSGroup group = new ECSGroup(key, componentFilter);
allGroupDic.Add(key, group);
List <Entity> newListEntity = new List <Entity>();
List <Entity> listEntity = new List <Entity>(entityToGroupDic.Keys);
for (int i = 0; i < listEntity.Count; i++)
{
Entity entity = listEntity[i];
List <ECSGroup> newGroupList = GetEntitySuportGroup(entity);
bool isContains = true;
for (int j = 0; j < componentFilter.Length; j++)
{
if (!entity.Components.ContainsKey(componentFilter[j]))
{
isContains = false;
}
}
if (isContains)
{
newListEntity.Add(entity);
entityToGroupDic[entity].Add(group);
}
}
groupToEntityDic.Add(group, newListEntity);
return(true);
}