public static List <GameObject> GetDrops(DropTable dropTable, DropSourceTemplateLink context)
{
var drops = GetDrops(dropTable, context, ConvertTemplateToDrop);
#if DEBUG
Log.LogDebug($"Dropping {drops.Count} items:");
foreach (var drop in drops)
{
Log.LogDebug($"\t{drop}");
}
#endif
return(drops);
}
public static List <ItemDrop.ItemData> GetItemDrops(DropTable dropTable, DropSourceTemplateLink context)
{
var drops = GetDrops(dropTable, context, ConvertTemplateToItem);
#if DEBUG
Log.LogDebug($"Dropping {drops.Count} items:");
foreach (var drop in drops)
{
Log.LogDebug($"\t{drop.m_shared.m_name}");
}
#endif
return(drops);
}
private static List <T> GetDrops <T>(DropTable dropTable, DropSourceTemplateLink context, Func <DropTemplate, IEnumerable <T> > DropConverter) where T : class
{
var dropTemplates = DropConfigManager.GetPossibleDrops(context, dropTable);
if (dropTemplates.Count == 0)
{
#if DEBUG
Log.LogDebug("Skipping drop due to no templates.");
#endif
return(new(0));
}
var entityConfig = context.EntityConfig;
bool skipDrop = entityConfig is null
? UnityEngine.Random.value > dropTable.m_dropChance
: UnityEngine.Random.value > (entityConfig.SetDropChance / 100);
if (skipDrop)
{
#if DEBUG
Log.LogDebug("Skipping drop due to table chance.");
#endif
return(new(0));
}
var workingList = new List <DropTemplate>(dropTemplates);
workingList = DropConditionManager.Filter(context, workingList);
#if DEBUG
Log.LogDebug("Drops after filter:");
foreach (var drop in workingList)
{
Log.LogDebug("\t" + drop.Drop.m_item.name);
}
#endif
float sumWeight = workingList.Sum(x => x.Drop.m_weight);
int dropCount = entityConfig is null
? UnityEngine.Random.Range(dropTable.m_dropMin, dropTable.m_dropMax + 1)
: UnityEngine.Random.Range(entityConfig.SetDropMin, entityConfig.SetDropMax + 1);
bool dropOnlyOnce = entityConfig is null
? dropTable.m_oneOfEach
: entityConfig.SetDropOnlyOnce;
List <T> result = new(dropCount);
#if DEBUG
Log.LogDebug($"Rolling {dropCount} drops.");
#endif
for (int i = 0; i < dropCount; ++i)
{
float weight = UnityEngine.Random.Range(0, sumWeight);
float accumulatedWeight = 0;
try
{
bool addedDrop = false;
// Select drop based on weight.
foreach (var template in workingList)
{
accumulatedWeight += template.Drop.m_weight;
if (weight <= accumulatedWeight)
{
result.AddRange(DropConverter(template));
if (dropOnlyOnce)
{
workingList.Remove(template);
sumWeight -= template.Drop.m_weight;
}
addedDrop = true;
break;
}
}
// Seems like a sanity check. If IG did their logic properly, it should never be necessary. Consider just removing this piece of code.
if (!addedDrop && workingList.Count > 0)
{
result.AddRange(DropConverter(workingList.First()));
}
}
catch (Exception e)
{
Log.LogWarning("Error while rolling drop. Skipping roll\n", e);
}
}
return(result);
}
