public override IAccountStateDelta Execute(IActionContext context)
{
IAccountStateDelta states = context.PreviousStates;
Address collectionAddress = MonsterCollectionState0.DeriveAddress(context.Signer, collectionRound);
if (context.Rehearsal)
{
return(states
.SetState(context.Signer, MarkChanged)
.SetState(avatarAddress, MarkChanged)
.SetState(collectionAddress, MarkChanged));
}
CheckObsolete(BlockChain.Policy.BlockPolicySource.V100080ObsoleteIndex, context);
if (!states.TryGetAgentAvatarStates(context.Signer, avatarAddress, out AgentState agentState, out AvatarState avatarState))
{
throw new FailedLoadStateException($"Aborted as the avatar state of the signer failed to load.");
}
if (!states.TryGetState(collectionAddress, out Dictionary stateDict))
{
throw new FailedLoadStateException($"Aborted as the monster collection state failed to load.");
}
MonsterCollectionState0 monsterCollectionState = new MonsterCollectionState0(stateDict);
if (monsterCollectionState.End)
{
throw new MonsterCollectionExpiredException($"{collectionAddress} has already expired on {monsterCollectionState.ExpiredBlockIndex}");
}
if (!monsterCollectionState.CanReceive(context.BlockIndex))
{
throw new RequiredBlockIndexException(
$"{collectionAddress} is not available yet; it will be available after {Math.Max(monsterCollectionState.StartedBlockIndex, monsterCollectionState.ReceivedBlockIndex) + MonsterCollectionState0.RewardInterval}");
}
long rewardLevel = monsterCollectionState.GetRewardLevel(context.BlockIndex);
ItemSheet itemSheet = states.GetItemSheet();
for (int i = 0; i < rewardLevel; i++)
{
int level = i + 1;
if (level <= monsterCollectionState.RewardLevel)
{
continue;
}
List <MonsterCollectionRewardSheet.RewardInfo> rewards = monsterCollectionState.RewardLevelMap[level];
Guid id = context.Random.GenerateRandomGuid();
MonsterCollectionResult result = new MonsterCollectionResult(id, avatarAddress, rewards);
MonsterCollectionMail mail = new MonsterCollectionMail(result, context.BlockIndex, id, context.BlockIndex);
avatarState.Update(mail);
foreach (var rewardInfo in rewards)
{
var row = itemSheet[rewardInfo.ItemId];
var item = row is MaterialItemSheet.Row materialRow
? ItemFactory.CreateTradableMaterial(materialRow)
: ItemFactory.CreateItem(row, context.Random);
avatarState.inventory.AddItem2(item, rewardInfo.Quantity);
}
monsterCollectionState.UpdateRewardMap(level, result, context.BlockIndex);
}
// Return gold at the end of monster collect.
if (rewardLevel == 4)
{
MonsterCollectionSheet monsterCollectionSheet = states.GetSheet <MonsterCollectionSheet>();
Currency currency = states.GetGoldCurrency();
// Set default gold value.
FungibleAssetValue gold = currency * 0;
for (int i = 0; i < monsterCollectionState.Level; i++)
{
int level = i + 1;
gold += currency * monsterCollectionSheet[level].RequiredGold;
}
agentState.IncreaseCollectionRound();
states = states.SetState(context.Signer, agentState.Serialize());
if (gold > currency * 0)
{
states = states.TransferAsset(collectionAddress, context.Signer, gold);
}
}
return(states
.SetState(avatarAddress, avatarState.Serialize())
.SetState(collectionAddress, monsterCollectionState.Serialize()));
}