public Node GetNode(ComponentMatcher componentMatcher)
{
if (!nodes.TryGetValue(componentMatcher, out Node node))
{
node = new Node(componentMatcher);
var entities = GetAllEntities();
for (int i = 0; i < entities.Length; i++)
{
node.HandleEntity(entities[i]);
}
nodes.Add(componentMatcher, node);
var matcherIndices = componentMatcher.GetIndices();
for (int i = 0; i < matcherIndices.Length; i++)
{
var componentID = matcherIndices[i];
if (nodesForComponentId[componentID] == null)
{
var nodeList = new List <Node>();
nodesForComponentId[componentID] = nodeList;
}
nodesForComponentId[componentID].Add(node);
}
}
return(node);
}
public Node(ComponentMatcher matcher)
{
this.matcher = matcher;
}