public bool HasTags(EntityID entity, TagMask mask)
{
bool has;
entitiesLock.Enter(READ_LOCK_MODE);
{
has = entities[entity].Has(mask);
}
entitiesLock.Exit();
return(has);
}
public void RemoveTags(EntityID entity, TagMask mask)
{
entitiesLock.Enter(WRITE_LOCK_MODE);
{
//Locks this particular entity for modification.
lock (entityWriteLocks[entity])
{
entities[entity].Remove(mask);
}
}
entitiesLock.Exit();
}
public EntityTagContainer()
{
entities = new TagMask[EntityID.MaxValue];
entityWriteLocks = new object[EntityID.MaxValue];
entitiesLock = new ModeLock();
//Create a tag-mask and a lock object for each entity
for (EntityID entity = 0; entity < EntityID.MaxValue; entity++)
{
entities[entity] = new TagMask();
entityWriteLocks[entity] = new object();
}
}
public void Query(TagMask requiredTags, TagMask illegalTags, EntitySet outputSet)
{
outputSet.Clear();
bool noIllegalComps = illegalTags.IsEmpty;
entitiesLock.Enter(READ_LOCK_MODE);
{
for (EntityID entity = 0; entity < EntityID.MaxValue; entity++)
{
if (entities[entity].Has(requiredTags) && (noIllegalComps || entities[entity].NotHas(illegalTags)))
{
outputSet.Add(entity);
}
}
}
entitiesLock.Exit();
}
public int Query(TagMask requiredTags, TagMask illegalTags)
{
int count = 0;
bool noIllegalComps = illegalTags.IsEmpty;
entitiesLock.Enter(READ_LOCK_MODE);
{
for (EntityID entity = 0; entity < EntityID.MaxValue; entity++)
{
if (entities[entity].Has(requiredTags) && (noIllegalComps || entities[entity].NotHas(illegalTags)))
{
count++;
}
}
}
entitiesLock.Exit();
return(count);
}
public TagMask Remove(TagMask other)
{
val &= ~other.val;
return(this);
}
public TagMask Add(TagMask other)
{
val |= other.val;
return(this);
}
public bool NotHas(TagMask other) => (other.val & val) == 0;
public bool Has(TagMask other) => (other.val & val) == other.val;
public bool HasTags(EntityID entity, TagMask mask) => tagContainer.HasTags(entity, mask);
public int GetEntityCount(TagMask requiredTags, TagMask illegalTags) => tagContainer.Query(requiredTags, illegalTags);
public void GetEntities(TagMask requiredTags, TagMask illegalTags, EntitySet outputSet) => tagContainer.Query(requiredTags, illegalTags, outputSet);
