private bool HasCapability(ItemCapabilityType type)
{
ItemCapabilityQueryResult result =
ExecuteCapabilityQuery(new ItemCapabilityQuery(
ItemCapabilityQuery.ItemCapabilityQueryType.HasCapability, type));
if (result.ResultStatus == ItemCapabilityQueryResult.ItemCapabilityQueryResultType.True)
{
return(true);
}
else
{
return(false);
}
}
private ItemCapability[] GetCapability(ItemCapabilityType type)
{
ItemCapabilityQueryResult result =
ExecuteCapabilityQuery(new ItemCapabilityQuery(
ItemCapabilityQuery.ItemCapabilityQueryType.GetCapability, type));
if (result.ResultStatus == ItemCapabilityQueryResult.ItemCapabilityQueryResultType.Success)
{
return(result.Capabilities);
}
else
{
return(null);
}
}
private ItemCapability[] GetAllCapabilities()
{
ItemCapabilityQueryResult result =
ExecuteCapabilityQuery(
new ItemCapabilityQuery(ItemCapabilityQuery.ItemCapabilityQueryType.GetAllCapabilities,
ItemCapabilityType.None));
if (result.ResultStatus == ItemCapabilityQueryResult.ItemCapabilityQueryResultType.Empty)
{
return(new ItemCapability[0]);
}
else
{
return(result.Capabilities);
}
}
/// <summary>
/// Executes a query to get the capabilities of this item.
/// This enables us to ask things like, "is the item a tool?"
/// You can have items that have more than one tool capability module, and return them both via a query.
/// This is mostly useful for the object that is receiving an action from the item.
/// </summary>
/// <param name="query">ItemCapabilityQuery object</param>
/// <returns></returns>
protected ItemCapabilityQueryResult ExecuteCapabilityQuery(ItemCapabilityQuery query)
{
var result = new ItemCapabilityQueryResult();
result.ResultStatus = ItemCapabilityQueryResult.ItemCapabilityQueryResultType.Error;
switch (query.queryType)
{
case ItemCapabilityQuery.ItemCapabilityQueryType.GetAllCapabilities:
//Get all the capabilities of the object. Not particularly useful.
foreach (ItemCapability c in capabilities.Values)
{
result.AddCapability(c);
}
if (capabilities.Count() > 0)
{
result.ResultStatus = ItemCapabilityQueryResult.ItemCapabilityQueryResultType.Success;
}
else
{
result.ResultStatus = ItemCapabilityQueryResult.ItemCapabilityQueryResultType.Empty;
}
break;
case ItemCapabilityQuery.ItemCapabilityQueryType.GetCapability:
//Get the capabilities that match a particular capability type
IEnumerable <ItemCapability> caps = from c in capabilities.Values
where (c.CapabilityType == query.capabilityType)
select c;
foreach (ItemCapability c in caps)
{
result.AddCapability(c);
}
if (caps.Count() > 0)
{
result.ResultStatus = ItemCapabilityQueryResult.ItemCapabilityQueryResultType.Success;
}
else
{
result.ResultStatus = ItemCapabilityQueryResult.ItemCapabilityQueryResultType.Empty;
}
break;
case ItemCapabilityQuery.ItemCapabilityQueryType.HasCapability:
//Check if the item has a capability of a certain type.
IEnumerable <ItemCapability> hascap = from c in capabilities.Values
where (c.CapabilityType == query.capabilityType)
select c;
if (hascap.Count() > 0)
{
result.ResultStatus = ItemCapabilityQueryResult.ItemCapabilityQueryResultType.True;
}
else
{
result.ResultStatus = ItemCapabilityQueryResult.ItemCapabilityQueryResultType.False;
}
break;
}
if (result.ResultStatus == ItemCapabilityQueryResult.ItemCapabilityQueryResultType.Error)
{
result.ErrorMessage = "No Result";
}
return(result);
}
