/// <summary>
/// <para>Returns a <see cref="BonusAttribute"/> array populated with '<paramref name="numOfAttr"/>' unique random attributes
/// chosen from '<paramref name="randAttrs"/>' array -or- returns null if a null or empty array is supplied.</para>
/// </summary>
public static BonusAttribute[] GetRandomAttributes(BonusAttribute[] randAttrs, int numOfAttr)
{
BonusAttribute[] toAttrs = null;
if (randAttrs != null && randAttrs.Length > 0 && numOfAttr > 0)
{
toAttrs = new BonusAttribute[numOfAttr];
int avail = 0;
List <int> numList = new List <int>();
for (int i = 0; i < randAttrs.Length; ++i)
{
numList.Add(avail++);
}
if (numOfAttr > randAttrs.Length)
{
numOfAttr = randAttrs.Length;
}
int v;
for (int i = 0; i < numOfAttr; ++i)
{
v = Utility.Random(avail--);
toAttrs[i] = randAttrs[numList[v]];
numList.RemoveAt(v);
}
}
return(toAttrs);
}
/// <summary>
/// <para>Returns a <see cref="BonusAttribute"/> array populated with '<paramref name="numOfAttr"/>' unique random attributes
/// chosen from '<paramref name="randAttrs"/>' array -or- returns null if a null or empty array is supplied.</para>
/// </summary>
public static BonusAttribute[] GetRandomAttributes( BonusAttribute[] randAttrs, int numOfAttr )
{
BonusAttribute[] toAttrs = null;
if ( randAttrs != null && randAttrs.Length > 0 && numOfAttr > 0)
{
toAttrs = new BonusAttribute[numOfAttr];
int avail = 0;
List<int> numList = new List<int>();
for ( int i = 0; i < randAttrs.Length; ++i )
numList.Add( avail++ );
if ( numOfAttr > randAttrs.Length )
numOfAttr = randAttrs.Length;
int v;
for ( int i = 0; i < numOfAttr; ++i )
{
v = Utility.Random(avail--);
toAttrs[i] = randAttrs[numList[v]];
numList.RemoveAt(v);
}
}
return toAttrs;
}
public static void RemoveAttrsFrom( Item item, BonusAttribute[] attributes )
{
if ( attributes != null && attributes.Length > 0 )
{
int cold = 0, nrgy = 0, fire = 0, pois = 0, chaos = 0, direct = 0;
for ( int i = 0; i < attributes.Length; i++ )
{
if ( attributes[i].Attribute == null )
continue;
Type attrType = attributes[i].Attribute.GetType();
if ( attrType == typeof( AosAttribute ) )
{
if ( item is IAosAttributes )
RemoveAttribute( ((IAosAttributes)item).Attributes, (AosAttribute)attributes[i].Attribute, attributes[i].Amount );
}
else if ( attrType == typeof( AosArmorAttribute ) )
{
if ( (AosArmorAttribute)attributes[i].Attribute == AosArmorAttribute.DurabilityBonus )
RemoveDurability( item, attributes[i].Amount );
else if ( item is BaseArmor )
RemoveAttribute( ((BaseArmor)item).ArmorAttributes, (AosArmorAttribute)attributes[i].Attribute, attributes[i].Amount );
else if ( item is BaseOtherEquipable )
RemoveAttribute( ((BaseOtherEquipable)item).ArmorAttributes, (AosArmorAttribute)attributes[i].Attribute, attributes[i].Amount );
}
else if ( attrType == typeof( AosWeaponAttribute ) )
{
if ( (AosWeaponAttribute)attributes[i].Attribute == AosWeaponAttribute.DurabilityBonus )
RemoveDurability( item, attributes[i].Amount );
else if ( item is BaseWeapon )
RemoveAttribute( ((BaseWeapon)item).WeaponAttributes, (AosWeaponAttribute)attributes[i].Attribute, attributes[i].Amount );
}
else if ( attrType == typeof( AosElementAttribute ) )
{
if ( item is BaseWeapon )
{
switch ( (AosElementAttribute)attributes[i].Attribute )
{
case AosElementAttribute.Cold: cold = attributes[i].Amount; break;
case AosElementAttribute.Energy: nrgy = attributes[i].Amount; break;
case AosElementAttribute.Fire: fire = attributes[i].Amount; break;
case AosElementAttribute.Poison: pois = attributes[i].Amount; break;
case AosElementAttribute.Chaos: chaos = attributes[i].Amount; break;
case AosElementAttribute.Direct: direct = attributes[i].Amount; break;
}
}
}
else if ( attrType == typeof( ResistanceType ) )
{
if ( item is BaseArmor )
RemoveResistance( (BaseArmor)item, (ResistanceType)attributes[i].Attribute, attributes[i].Amount );
}
}
if ( item is BaseWeapon )
RemoveElementDamages( (BaseWeapon)item, cold, nrgy, fire, pois, chaos, direct );
}
}
/// <summary>
/// <para>Returns a <see cref="BonusAttribute"/> array populated with one unique random attribute
/// chosen from '<paramref name="randAttrs"/>' array -or- returns null if a null or empty array is supplied.</para>
/// </summary>
public static BonusAttribute[] GetRandomAttributes( BonusAttribute[] randAttrs )
{
return GetRandomAttributes( randAttrs, 1 );
}