private static (ICalculationGraph, ICalculationGraphPruner) CreateCalculationGraph(
TransformableNodeFactory nodeFactory, StatRegistry statRegistry, ValueTransformer valueTransformer,
IEventBuffer eventBuffer)
{
var coreGraph = new CoreCalculationGraph(
s => CreateStatGraph(nodeFactory, valueTransformer, eventBuffer, s), nodeFactory);
var eventGraph = new CalculationGraphWithEvents(coreGraph);
var defaultPruningRuleSet = new DefaultPruningRuleSet(statRegistry);
var defaultPruner = new CalculationGraphPruner(eventGraph, defaultPruningRuleSet);
var userSpecifiedValuePruningRuleSet =
new UserSpecifiedValuePruningRuleSet(defaultPruningRuleSet, statRegistry);
var userSpecifiedValuePruner =
new CalculationGraphPruner(eventGraph, userSpecifiedValuePruningRuleSet);
var pruner = new CompositeCalculationGraphPruner(defaultPruner, userSpecifiedValuePruner);
eventGraph.StatAdded += StatAdded;
eventGraph.StatRemoved += StatRemoved;
eventGraph.ModifierAdded += ModifierAdded;
eventGraph.ModifierRemoved += ModifierRemoved;
return(eventGraph, pruner);
void StatAdded(IStat stat)
{
statRegistry.Add(stat);
valueTransformer.AddBehaviors(stat.Behaviors);
defaultPruner.StatAdded(stat);
userSpecifiedValuePruner.StatAdded(stat);
}
void StatRemoved(IStat stat)
{
statRegistry.Remove(stat);
valueTransformer.RemoveBehaviors(stat.Behaviors);
defaultPruner.StatRemoved(stat);
userSpecifiedValuePruner.StatRemoved(stat);
}
void ModifierAdded(Modifier modifier)
{
defaultPruner.ModifierAdded(modifier);
userSpecifiedValuePruner.ModifierAdded(modifier);
}
void ModifierRemoved(Modifier modifier)
{
defaultPruner.ModifierRemoved(modifier);
userSpecifiedValuePruner.ModifierRemoved(modifier);
}
}
private static PrunableCalculationGraph CreateCalculationGraph(
TransformableNodeFactory nodeFactory, StatRegistry statRegistry, ValueTransformer valueTransformer)
{
var coreGraph =
new CoreCalculationGraph(s => CreateStatGraph(nodeFactory, valueTransformer, s), nodeFactory);
var eventGraph = new CalculationGraphWithEvents(coreGraph, StatAdded, StatRemoved);
return(new PrunableCalculationGraph(eventGraph, statRegistry));
void StatAdded(IStat stat)
{
statRegistry.Add(stat);
valueTransformer.AddBehaviors(stat.Behaviors);
}
void StatRemoved(IStat stat)
{
statRegistry.Remove(stat);
valueTransformer.RemoveBehaviors(stat.Behaviors);
}
}
