public ViewModelQuestRequirement(
IQuestRequirement requirement,
// can be null when the quest is completed
[CanBeNull] QuestRequirementState requirementState)
{
this.requirement = requirement;
this.requirementState = requirementState;
this.requirementState?.ClientSubscribe(
_ => _.IsSatisfied,
isSatisfiedNow =>
{
this.NotifyPropertyChanged(nameof(this.IsSatisfied));
if (isSatisfiedNow)
{
Api.Client.Audio.PlayOneShot(new SoundResource("UI/Quests/QuestRequirementSatisfied.ogg"));
}
},
this);
if (requirement is IQuestRequirementWithCount questRequirementWithCount)
{
this.CountRequired = questRequirementWithCount.RequiredCount;
if (requirementState != null)
{
// requirement state can be null if the quest is already completed
this.requirementStateWithCount = (QuestRequirementStateWithCount)requirementState;
this.requirementStateWithCount.ClientSubscribe(
_ => _.CountCurrent,
_ => this.NotifyPropertyChanged(nameof(this.CountCurrent)),
this);
}
}
}
public bool SharedHasCompletedRequirement(IQuestRequirement requirement)
{
var quest = requirement.Quest;
Api.Assert(quest != null, "Requirement must have an associated quest");
var questEntry = this.SharedFindQuestEntry(quest, out var isUnlocked);
if (questEntry == null ||
!isUnlocked)
{
// no such entry
return(false);
}
if (questEntry.IsCompleted ||
questEntry.AreAllRequirementsSatisfied)
{
// all requirements are/were satisfied
return(true);
}
// find a state for this requirement and check whether it's satisfied
var indexOfRequirement = -1;
var requirements = quest.Requirements;
if (requirements == null)
{
return(false);
}
for (var index = 0; index < requirements.Count; index++)
{
var r = requirements[index];
if (r != requirement)
{
continue;
}
indexOfRequirement = index;
break;
}
Api.Assert(indexOfRequirement >= 0, "Requirement not exist in quest");
var requirementState = questEntry.RequirementStates[indexOfRequirement];
return(requirementState.IsSatisfied);
}
public ViewModelQuestRequirement(
IQuestRequirement requirement,
// can be null when the quest is completed
[CanBeNull] QuestRequirementState requirementState)
{
this.requirement = requirement;
this.requirementState = requirementState;
this.requirementState?.ClientSubscribe(
_ => _.IsSatisfied,
isSatisfiedNow =>
{
this.NotifyPropertyChanged(nameof(this.IsSatisfied));
if (!isSatisfiedNow)
{
return;
}
// play requirement satisfied sound (not more often than once per frame)
if (lastRequirementSatisfiedFrame != Client.CurrentGame.ServerFrameNumber)
{
lastRequirementSatisfiedFrame = Client.CurrentGame.ServerFrameNumber;
Api.Client.Audio.PlayOneShot(SoundResourceQuestRequirementSatisfied, volume: 0.5f);
}
},
this);
if (requirement is IQuestRequirementWithCount questRequirementWithCount)
{
this.CountRequired = questRequirementWithCount.RequiredCount;
if (requirementState != null)
{
// requirement state can be null if the quest is already completed
this.requirementStateWithCount = (QuestRequirementStateWithCount)requirementState;
this.requirementStateWithCount.ClientSubscribe(
_ => _.CountCurrent,
_ => this.NotifyPropertyChanged(nameof(this.CountCurrent)),
this);
}
}
}
