private static bool ResolveDestroy(DestroyAction action, EncounterState state)
{
Entity entity = state.GetEntityById(action.ActorId);
var onDeathComponent = entity.GetComponent <OnDeathComponent>();
// this 'shouldRemoveEntity' code is slightly confusing, simplify it if you come back to it
bool shouldRemoveEntity = true;
if (onDeathComponent != null)
{
foreach (var effectType in onDeathComponent.ActiveEffectTypes)
{
var effectStopsRemoval = !ResolveOnDeathEffect(effectType, state);
if (effectStopsRemoval)
{
shouldRemoveEntity = false;
}
}
}
if (shouldRemoveEntity)
{
state.RemoveEntity(entity);
return(true);
}
else
{
return(false);
}
}
// Currently, each use effect is its own component. If we run into a case where we have too many effects, we can push the
// effects into the usable component itself, similarly to status effects (though status effects are their own mess right now)
// which would probably be better for building on.
private static bool ResolveUse(UseAction action, EncounterState state)
{
var user = state.GetEntityById(action.ActorId);
// This is another issue that'd be solved with a global Entity lookup - though not the removal part.
Entity usable = null;
if (action.FromInventory)
{
var userInventory = user.GetComponent <InventoryComponent>();
usable = userInventory.StoredEntityById(action.UsableId);
if (usable.GetComponent <UsableComponent>() == null)
{
state.LogMessage(string.Format("{0} is not usable!", usable.EntityName), failed: true);
return(false);
}
else
{
userInventory.RemoveEntity(usable);
}
}
else
{
usable = state.GetEntityById(action.UsableId);
if (usable.GetComponent <UsableComponent>() == null)
{
state.LogMessage(string.Format("{0} is not usable!", usable.EntityName), failed: true);
return(false);
}
else
{
state.RemoveEntity(usable);
}
}
state.LogMessage(string.Format("{0} used {1}!", user.EntityName, usable.EntityName));
ResolveUseEffects(user, usable, state);
// We assume all items are single-use; this will change if I deviate from the reference implementation!
usable.QueueFree();
return(true);
}
private static bool ResolveGetItem(GetItemAction action, EncounterState state)
{
var actor = state.GetEntityById(action.ActorId);
var inventoryComponent = actor.GetComponent <InventoryComponent>();
var actorPosition = actor.GetComponent <PositionComponent>().EncounterPosition;
var item = state.EntitiesAtPosition(actorPosition.X, actorPosition.Y)
.FirstOrDefault(e => e.GetComponent <StorableComponent>() != null);
if (item == null)
{
state.LogMessage("No item found!", failed: true);
return(false);
}
else if (item.GetComponent <UsableComponent>() != null && item.GetComponent <UsableComponent>().UseOnGet)
{
// The responsibility for removing/not removing the usable from the EncounterState is in the usage code.
bool successfulUsage = ResolveUse(new UseAction(actor.EntityId, item.EntityId, false), state);
if (!successfulUsage)
{
GD.PrintErr(string.Format("Item {0} was not successfully used after being picked up!", item.EntityName));
}
return(true);
}
else if (!inventoryComponent.CanFit(item))
{
state.LogMessage(string.Format("[b]{0}[/b] can't fit the [b]{1}[/b] in its inventory!",
actor.EntityName, item.EntityName), failed: true);
return(false);
}
else
{
state.RemoveEntity(item);
actor.GetComponent <InventoryComponent>().AddEntity(item);
var logMessage = string.Format("[b]{0}[/b] has taken the [b]{1}[/b]", actor.EntityName, item.EntityName);
state.LogMessage(logMessage);
return(true);
}
}