public CreateItemResult Execute(
DelegateSpawnDropItem delegateSpawnDropItem,
DropItemContext dropItemContext,
double probabilityMultiplier)
{
this.Freeze();
var result = new CreateItemResult()
{
IsEverythingCreated = true
};
using var selectedEntries = Api.Shared.GetTempList <Entry>();
this.SelectRandomEntries(selectedEntries);
// execute selected entries
foreach (var entry in selectedEntries)
{
ExecuteEntry(entry,
dropItemContext,
out var entryResult,
probabilityMultiplier,
delegateSpawnDropItem);
result.MergeWith(entryResult);
}
return(result);
}
public bool ServerGather(IStaticWorldObject worldObject, ICharacter character)
{
//MOD
PublicState publicState = GetPublicState(worldObject);
var lootDroplist = publicState.ProtoCharacterMob.LootDroplist;
var dropItemContext = new DropItemContext(character, worldObject);
CreateItemResult dropItemResultFinal = new CreateItemResult();
var level = publicState.Level;
for (int i = 0; i < level; i++)
{
CreateItemResult dropItemResult;
var attemptRemains = 200;
do
{
dropItemResult = lootDroplist.TryDropToCharacterOrGround(character,
character.TilePosition,
dropItemContext,
out _);
dropItemResultFinal.MergeWith(dropItemResult);
}
// ensure that at least something is spawned...
// perhaps that's not a good idea, but we have an attempts limit
while (dropItemResult.TotalCreatedCount == 0 && --attemptRemains > 0);
}
if (!dropItemResultFinal.IsEverythingCreated)
{
Logger.Warning("Not all loot items were provided by "
+ worldObject
+ " - there is not enough space in inventory and around the character");
}
// probably the attempts limit exceeded and nothing is spawned
// we don't consider this as an issue as the probability of this is too rare
Logger.Info(worldObject + " was gathered", character);
Server.World.DestroyObject(worldObject);
NotificationSystem.ServerSendItemsNotification(character, dropItemResultFinal);
character.ServerAddSkillExperience <SkillHunting>(SkillHunting.ExperienceForGather * level);
return(true);
}
public static CreateItemResult TrySpawnToContainer(
IReadOnlyOutputItems outputItems,
IItemsContainer toContainer)
{
var itemsService = Api.Server.Items;
var result = new CreateItemResult()
{
IsEverythingCreated = true
};
var character = toContainer.Owner as ICharacter;
foreach (var outputItem in outputItems.Items)
{
var count = GenerateCount(outputItem);
if (count == 0)
{
continue;
}
CreateItemResult createItemResult;
if (character is not null)
{
createItemResult = itemsService.CreateItem(outputItem.ProtoItem,
character,
count);
}
else
{
createItemResult = itemsService.CreateItem(outputItem.ProtoItem,
toContainer,
count);
}
result.MergeWith(createItemResult);
}
return(result);
}
private static TradingResult ServerExecuteTrade(
TradingStationLot lot,
IItemsContainerProvider sellerContainers,
IItemsContainerProvider buyerContainers,
bool isPlayerBuying)
{
// find items to buy by other party
if (!SharedTryFindItemsOfType(sellerContainers, lot.ProtoItem, lot.LotQuantity, out var itemsToSell))
{
return(isPlayerBuying
? TradingResult.ErrorNotEnoughItemsOnStation
: TradingResult.ErrorNotEnoughItemsOnPlayer);
}
// try to find money to pay to other party
var countCoinPenny = (uint)lot.PriceCoinPenny;
var countCoinShiny = (uint)lot.PriceCoinShiny;
if (!SharedTryFindItemsOfType(buyerContainers,
ProtoItemCoinPenny.Value,
countCoinPenny,
out _) ||
!SharedTryFindItemsOfType(buyerContainers,
ProtoItemCoinShiny.Value,
countCoinShiny,
out _))
{
return(isPlayerBuying
? TradingResult.ErrorNotEnoughMoneyOnStation
: TradingResult.ErrorNotEnoughMoneyOnPlayer);
}
// ensure there is enough space to store the sold items
if (!ServerItems.CanCreateItem(buyerContainers, lot.ProtoItem, lot.LotQuantity))
{
return(isPlayerBuying
? TradingResult.ErrorNotEnoughSpaceOnPlayerForPurchasedItem
: TradingResult.ErrorNotEnoughSpaceOnStationForSoldItem);
}
// try create money in the source containers
var sourceContainerResult = new CreateItemResult()
{
IsEverythingCreated = true
};
if (lot.PriceCoinPenny > 0)
{
sourceContainerResult.MergeWith(
ServerItems.CreateItem(ProtoItemCoinPenny.Value,
sellerContainers,
countCoinPenny));
}
if (lot.PriceCoinShiny > 0)
{
sourceContainerResult.MergeWith(
ServerItems.CreateItem(ProtoItemCoinShiny.Value,
sellerContainers,
countCoinShiny));
}
if (!sourceContainerResult.IsEverythingCreated)
{
sourceContainerResult.Rollback();
// TODO: check this
return(isPlayerBuying
? TradingResult.ErrorNotEnoughSpaceOnStationForSoldItem
: TradingResult.ErrorNotEnoughSpaceOnPlayerForPurchasedItem);
}
// try moving (bought) items
var itemsCountToDestroyRemains = (int)lot.LotQuantity;
foreach (var item in itemsToSell)
{
if (itemsCountToDestroyRemains <= 0)
{
break;
}
ServerItems.MoveOrSwapItem(item,
buyerContainers,
out var movedCount,
countToMove: (ushort)itemsCountToDestroyRemains);
itemsCountToDestroyRemains -= movedCount;
}
if (itemsCountToDestroyRemains > 0)
{
// should be impossible
Logger.Error(
"Cannot move all sold items! But we've verified that the sellerContainers have them all...");
}
if (countCoinPenny > 0)
{
ServerItems.DestroyItemsOfType(buyerContainers, ProtoItemCoinPenny.Value, countCoinPenny, out _);
}
if (countCoinShiny > 0)
{
ServerItems.DestroyItemsOfType(buyerContainers, ProtoItemCoinShiny.Value, countCoinShiny, out _);
}
Logger.Important($"Successfully completed trading transaction: {lot}");
return(TradingResult.Success);
}
public override CreateItemResult ServerCreateItem(
ICharacter character,
IProtoItem protoItem,
uint countToSpawn = 1)
{
if (character == null)
{
throw new ArgumentNullException(nameof(character));
}
if (protoItem == null)
{
throw new ArgumentNullException(nameof(protoItem));
}
if (countToSpawn == 0)
{
throw new Exception("Cannot add item to character: item count is 0");
}
var countToSpawnRemains = countToSpawn;
var privateState = GetPrivateState(character);
var containerHotbar = privateState.ContainerHotbar;
var containerInventory = privateState.ContainerInventory;
var serverItemsService = Server.Items;
var result = new CreateItemResult();
// define a function for spawning item at specified container
bool TrySpawnItem(IItemsContainer container, bool onlyToExistingStacks)
{
var createItemResult = serverItemsService.CreateItem(
protoItem,
container,
countToSpawnRemains,
slotId: null,
onlyAddToExistingStacks: onlyToExistingStacks);
if (createItemResult.TotalCreatedCount == 0)
{
// cannot create item
return(false);
}
// something created (perhaps all)
result.MergeWith(createItemResult);
countToSpawnRemains = (ushort)(countToSpawnRemains - createItemResult.TotalCreatedCount);
var isEverythingCreated = countToSpawnRemains == 0;
return(isEverythingCreated);
}
// 1. Try to add to existing stacks in hotbar.
// 3. Try to add to existing stacks or spawn as new stacks in inventory.
// 3. Try to spawn as new stacks in hotbar.
// TODO: 4. Try to spawn on the ground. (actually implemented separately via scripting)
if (TrySpawnItem(containerHotbar, onlyToExistingStacks: true) ||
TrySpawnItem(containerInventory, onlyToExistingStacks: false) ||
TrySpawnItem(containerHotbar, onlyToExistingStacks: false))
{
// all items are created!
result.IsEverythingCreated = true;
}
return(result);
}
