/// <summary>
/// Loads the status effects for the <see cref="CharacterStatusEffects.Character"/> that this collection belongs to from
/// the database.
/// </summary>
public void Load()
{
Debug.Assert(_statusEffects.Count == 0, "Why is Load() being called while there are active effects here already?");
var values = Character.DbController.GetQuery <SelectCharacterStatusEffectsQuery>().Execute(Character.ID);
var currentTime = GetTime();
// Load in the ActiveStatusEffects using the values read from the database
foreach (var value in values)
{
var statusEffect = _statusEffectManager.Get(value.StatusEffect);
if (statusEffect == null)
{
const string errmsg = "Failed to get the StatusEffectBase for StatusEffectType `{0}` on Character `{1}`.";
if (log.IsErrorEnabled)
{
log.ErrorFormat(errmsg, value.StatusEffect, Character);
}
Debug.Fail(string.Format(errmsg, value.StatusEffect, Character));
continue;
}
var ase = new ActiveStatusEffect(statusEffect, value.Power, (TickCount)(value.TimeLeftSecs * 1000 + currentTime));
var aseWithID = new ASEWithID(value.ID, ase);
_statusEffects.Add(aseWithID);
OnAdded(ase);
}
}
/// <summary>
/// When overridden in the derived class, tries to add an <see cref="IStatusEffect{StatType, StatusEffectType}"/> to
/// this collection.
/// </summary>
/// <param name="statusEffect">The status effect to add.</param>
/// <param name="power">The power of the status effect.</param>
/// <returns>True if the <paramref name="statusEffect"/> of the given <paramref name="power"/> was added
/// to this collection; otherwise false.</returns>
/// <exception cref="ArgumentNullException"><paramref name="statusEffect" /> is <c>null</c>.</exception>
public override bool TryAdd(IStatusEffect <StatType, StatusEffectType> statusEffect, ushort power)
{
if (statusEffect == null)
{
throw new ArgumentNullException("statusEffect");
}
ActiveStatusEffect existingStatusEffect;
var alreadyExists = TryGetStatusEffect(statusEffect.StatusEffectType, out existingStatusEffect);
var time = GetTime();
var disableTime = (TickCount)(time + statusEffect.GetEffectTime(power));
if (alreadyExists)
{
var changed = existingStatusEffect.MergeWith(time, power, disableTime);
if (changed)
{
RecalculateStatBonuses();
}
return(changed);
}
else
{
var ase = new ActiveStatusEffect(statusEffect, power, disableTime);
_statusEffects.Add(ase);
OnAdded(ase);
return(true);
}
}
/// <summary>
/// Inserts a new <see cref="ActiveStatusEffect"/> into the database.
/// </summary>
/// <param name="item">The <see cref="ActiveStatusEffect"/> to insert.</param>
/// <returns>The <see cref="ActiveStatusEffectID"/> for the <paramref name="item"/>.</returns>
ActiveStatusEffectID InsertInDatabase(ActiveStatusEffect item)
{
// Convert the time
var secsLeft = GetSecsLeft(item);
// Create the row
var values = new CharacterStatusEffectTable
{
CharacterID = Character.ID,
ID = new ActiveStatusEffectID(_dbController.ConnectionPool.AutoIncrementValue),
Power = item.Power,
TimeLeftSecs = (ushort)secsLeft,
StatusEffect = item.StatusEffect.StatusEffectType
};
// Insert the data, and get the ID
long id;
_insertQuery.ExecuteWithResult(values, out id);
Debug.Assert(id <= int.MaxValue);
Debug.Assert(id >= int.MinValue);
// Return the ID
return(new ActiveStatusEffectID((int)id));
}
/// <summary>
/// When overridden in the derived class, handles removing an expired StatusEffect.
/// </summary>
/// <param name="activeStatusEffect">StatusEffect to be removed.</param>
protected override void HandleExpired(ActiveStatusEffect activeStatusEffect)
{
// Loop through the _statusEffects list until we find 'activeStatusEffect'
for (var i = 0; i < _statusEffects.Count; i++)
{
var item = _statusEffects[i];
if (item.Value != activeStatusEffect)
{
continue;
}
// Found it - now remove it from the list
_statusEffects.RemoveAt(i);
// Raise removal event
OnRemoved(activeStatusEffect);
// Remove from database
DeleteFromDatabase(item.ID);
return;
}
Debug.Fail("Couldn't find the activeStatusEffect in the collection. Where'd it go...?");
}
/// <summary>
/// Gets the number of seconds left for an <see cref="ActiveStatusEffect"/>.
/// </summary>
/// <param name="ase">The <see cref="ActiveStatusEffect"/>.</param>
/// <returns>The number of seconds left for an <see cref="ActiveStatusEffect"/>.</returns>
int GetSecsLeft(ActiveStatusEffect ase)
{
var secsLeft = (int)Math.Round((ase.DisableTime - GetTime()) / 1000f);
if (secsLeft < 1)
{
secsLeft = 1;
}
return(secsLeft);
}
/// <summary>
/// When overridden in the derived class, handles removing an expired StatusEffect.
/// </summary>
/// <param name="activeStatusEffect">StatusEffect to be removed.</param>
protected override void HandleExpired(ActiveStatusEffect activeStatusEffect)
{
// Remove the item from the list
var wasRemoved = _statusEffects.Remove(activeStatusEffect);
// Raise removal event (assuming it was properly removed like it should have been)
if (wasRemoved)
{
OnRemoved(activeStatusEffect);
}
Debug.Assert(wasRemoved, "Couldn't find the activeStatusEffect in the collection. Where'd it go...?");
}
/// <summary>
/// When overridden in the derived class, tries to get the <see cref="ActiveStatusEffect"/> for a <see cref="StatusEffectType"/>
/// in this collection.
/// </summary>
/// <param name="statusEffectType">The <see cref="StatusEffectType"/> to try to get the <see cref="ActiveStatusEffect"/> of.</param>
/// <param name="statusEffect">When this method returns true, contains the <see cref="ActiveStatusEffect"/> instance from
/// this collection for the given <paramref name="statusEffectType"/>.</param>
/// <returns>True if the <see cref="ActiveStatusEffect"/> of the <paramref name="statusEffectType"/> was found in
/// this collection; otherwise false.</returns>
public override bool TryGetStatusEffect(StatusEffectType statusEffectType, out ActiveStatusEffect statusEffect)
{
foreach (var activeStatusEffect in this)
{
if (activeStatusEffect.StatusEffect.StatusEffectType == statusEffectType)
{
statusEffect = activeStatusEffect;
return(true);
}
}
statusEffect = null;
return(false);
}
/// <summary>
/// When overridden in the derived class, tries to add an <see cref="IStatusEffect{StatType, StatusEffectType}"/> to
/// this collection.
/// </summary>
/// <param name="statusEffect">The status effect to add.</param>
/// <param name="power">The power of the status effect.</param>
/// <returns>True if the <paramref name="statusEffect"/> of the given <paramref name="power"/> was added
/// to this collection; otherwise false.</returns>
/// <exception cref="ArgumentNullException"><paramref name="statusEffect" /> is <c>null</c>.</exception>
public override bool TryAdd(IStatusEffect <StatType, StatusEffectType> statusEffect, ushort power)
{
if (statusEffect == null)
{
throw new ArgumentNullException("statusEffect");
}
ASEWithID existingStatusEffect;
var alreadyExists = TryGetStatusEffect(statusEffect.StatusEffectType, out existingStatusEffect);
var time = GetTime();
var disableTime = (TickCount)(time + statusEffect.GetEffectTime(power));
if (alreadyExists)
{
// Status effect already exists - merge with it
var changed = existingStatusEffect.Value.MergeWith(time, power, disableTime);
if (changed)
{
RecalculateStatBonuses();
UpdateInDatabase(existingStatusEffect);
}
return(changed);
}
else
{
// Status effect doesn't exist - create new instance
var ase = new ActiveStatusEffect(statusEffect, power, disableTime);
var id = InsertInDatabase(ase);
var aseWithID = new ASEWithID(id, ase);
_statusEffects.Add(aseWithID);
OnAdded(aseWithID.Value);
return(true);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="ASEWithID"/> struct.
/// </summary>
/// <param name="id">The <see cref="ActiveStatusEffectID"/>.</param>
/// <param name="value">The <see cref="ActiveStatusEffect"/>.</param>
public ASEWithID(ActiveStatusEffectID id, ActiveStatusEffect value)
{
_id = id;
_value = value;
}
