public static bool CheckParry(CharacterInstance ch, CharacterInstance victim, IRepositoryManager dbManager = null,
IGameManager gameManager = null)
{
if (!victim.IsAwake())
{
return(false);
}
if (victim.IsNpc() && !victim.Defenses.IsSet((int)DefenseTypes.Parry))
{
return(false);
}
int chances;
var skill = (dbManager ?? RepositoryManager.Instance).GetEntity <SkillData>("parry");
if (skill == null)
{
throw new ObjectNotFoundException("Skill 'parry' not found");
}
if (victim.IsNpc())
{
chances = 60.GetLowestOfTwoNumbers(2 * victim.Level);
}
else
{
if (victim.GetEquippedItem(WearLocations.Wield) == null)
{
return(false);
}
chances = (int)Macros.LEARNED(victim, (int)skill.ID) /
(gameManager ?? GameManager.Instance).SystemData.ParryMod;
}
if (chances != 0 && victim.CurrentMorph != null)
{
chances += victim.CurrentMorph.Morph.ParryChances;
}
if (!victim.Chance(chances + victim.Level - ch.Level))
{
skill.LearnFromFailure(victim);
return(false);
}
if (!victim.IsNpc() && !((PlayerInstance)victim).PlayerData.Flags.IsSet(PCFlags.Gag))
{
comm.act(ATTypes.AT_SKILL, "You parry $n's attack.", ch, null, victim, ToTypes.Victim);
}
if (!ch.IsNpc() && !((PlayerInstance)ch).PlayerData.Flags.IsSet(PCFlags.Gag))
{
comm.act(ATTypes.AT_SKILL, "$N parries your attack.", ch, null, victim, ToTypes.Character);
}
skill.LearnFromSuccess(victim);
return(true);
}
public static bool CheckSaveVsPoisonDeath(this SavingThrowData savingThrow, int level, CharacterInstance victim)
{
var save = 50 + (victim.Level - level - savingThrow.SaveVsPoisonDeath) * 5;
save = save.GetNumberThatIsBetween(5, 95);
return(victim.Chance(save));
}
public static bool CheckTumble(CharacterInstance ch, CharacterInstance victim, IRepositoryManager dbManager = null,
IGameManager gameManager = null)
{
if (victim.CurrentClass != ClassTypes.Thief || !victim.IsAwake())
{
return(false);
}
var skill = (dbManager ?? RepositoryManager.Instance).GetEntity <SkillData>("tumble");
if (skill == null)
{
throw new ObjectNotFoundException("Skill 'tumble' not found");
}
if (!victim.IsNpc() && !(((PlayerInstance)victim).GetLearned((int)skill.ID) > 0))
{
return(false);
}
int chances;
if (victim.IsNpc())
{
chances = 60.GetLowestOfTwoNumbers(2 * victim.Level);
}
else
{
chances = (int)Macros.LEARNED(victim, (int)skill.ID) /
(gameManager ?? GameManager.Instance).SystemData.TumbleMod +
(victim.GetCurrentDexterity() - 13);
}
if (chances != 0 && victim.CurrentMorph != null)
{
chances += victim.CurrentMorph.Morph.TumbleChances;
}
if (!victim.Chance(chances + victim.Level - ch.Level))
{
return(false);
}
if (!victim.IsNpc() && !((PlayerInstance)victim).PlayerData.Flags.IsSet(PCFlags.Gag))
{
comm.act(ATTypes.AT_SKILL, "You tumble away from $n's attack.", ch, null, victim, ToTypes.Victim);
}
if (!ch.IsNpc() && !((PlayerInstance)ch).PlayerData.Flags.IsSet(PCFlags.Gag))
{
comm.act(ATTypes.AT_SKILL, "$N tumbles away from your attack.", ch, null, victim, ToTypes.Character);
}
skill.LearnFromSuccess(victim);
return(true);
}
public static bool CheckSaveVsWandRod(this SavingThrowData savingThrow, int level, CharacterInstance victim)
{
if (victim.Immunity.IsSet(ResistanceTypes.Magic))
{
return(true);
}
var save = 50 + (victim.Level - level - savingThrow.SaveVsWandRod) * 5;
save = save.GetNumberThatIsBetween(5, 95);
return(victim.Chance(save));
}
private static ReturnTypes ObscureSpellAction(SkillData skill, int level, CharacterInstance ch, ObjectInstance obj)
{
var percent = !string.IsNullOrEmpty(skill.Dice) ? magic.ParseDiceExpression(ch, skill.Dice) : 20;
if (CheckFunctions.CheckIfTrueCasting(
obj.ExtraFlags.IsSet((int)ItemExtraFlags.Invisible) || ch.Chance(percent), skill, ch))
{
return(ReturnTypes.SpellFailed);
}
ch.SuccessfulCast(skill, null, obj);
obj.ExtraFlags.SetBit((int)ItemExtraFlags.Invisible);
return(ReturnTypes.None);
}
public static ReturnTypes spell_acid_breath(int sn, int level, CharacterInstance ch, object vo)
{
var victim = (CharacterInstance)vo;
int chance;
checked
{
chance = 2 * level;
}
if (ch.Chance(chance) && !victim.SavingThrows.CheckSaveVsBreath(level, victim))
{
foreach (var obj in victim.Carrying.Where(obj => SmaugRandom.Bits(2) == 0))
{
switch (obj.ItemType)
{
case ItemTypes.Armor:
CheckDamageArmor(obj, victim);
break;
case ItemTypes.Container:
CheckDamageContainer(obj, victim);
break;
}
}
}
var hpChange = 10.GetHighestOfTwoNumbers(ch.CurrentHealth);
var damage = SmaugRandom.Between(hpChange / 16 + 1, hpChange / 8);
if (victim.SavingThrows.CheckSaveVsBreath(level, victim))
{
damage /= 2;
}
return(ch.CauseDamageTo(victim, damage, sn));
}
public static ReturnTypes spell_animate_dead(int sn, int level, CharacterInstance ch, object vo)
{
var corpse =
ch.CurrentRoom.Contents.FirstOrDefault(x => x.ItemType == ItemTypes.NpcCorpse && x.Cost != -5);
if (CheckFunctions.CheckIfNullObject(ch, corpse, "You cannot find a suitable corpse here"))
{
return(ReturnTypes.SpellFailed);
}
var skill = RepositoryManager.Instance.GetEntity <SkillData>(sn);
var template = RepositoryManager.Instance.MOBILETEMPLATES.Get(VnumConstants.MOB_VNUM_ANIMATED_CORPSE);
if (template == null)
{
throw new ObjectNotFoundException("Animated Corpse VNUM template was not found.");
}
// TODO Get the template using the corpse cost? huh?
if (CheckFunctions.CheckIfEquivalent(ch, template,
RepositoryManager.Instance.MOBILETEMPLATES.Get(VnumConstants.MOB_VNUM_DEITY),
"You can't animate the corpse of a deity's Avatar."))
{
return(ReturnTypes.SpellFailed);
}
if (!ch.IsNpc())
{
if (ch.IsVampire())
{
if (CheckFunctions.CheckIfTrue(ch,
!ch.IsImmortal() &&
((PlayerInstance)ch).PlayerData.GetConditionValue(ConditionTypes.Bloodthirsty) - template.Level / 3 < 0,
"You don't have the power to reanimate this corpse."))
{
return(ReturnTypes.SpellFailed);
}
((PlayerInstance)ch).GainCondition(ConditionTypes.Bloodthirsty, template.Level / 3);
}
else if (ch.CurrentMana - template.Level / 4 < 0)
{
ch.SendTo("You do not have enough mana to reanimate this corpse.");
return(ReturnTypes.SpellFailed);
}
else
{
ch.CurrentMana -= template.Level * 4;
}
}
if (ch.IsImmortal() || (ch.Chance(75) && template.Level - ch.Level < 10))
{
return(AnimateCorpse(level, ch, template, corpse));
}
ch.FailedCast(skill);
return(ReturnTypes.SpellFailed);
}
public static ReturnTypes ObjectCastSpell(this CharacterInstance ch, int sn, int level,
CharacterInstance victim = null, ObjectInstance obj = null)
{
var skill = RepositoryManager.Instance.GetEntity <SkillData>(sn);
if (skill?.SpellFunction == null)
{
return(ReturnTypes.Error);
}
if (ch.CurrentRoom.Flags.IsSet(RoomFlags.NoMagic) ||
(ch.CurrentRoom.Flags.IsSet(RoomFlags.Safe) &&
skill.Target == TargetTypes.OffensiveCharacter))
{
ch.SetColor(ATTypes.AT_MAGIC);
ch.SendTo("Nothing seems to happen...");
return(ReturnTypes.None);
}
// Reduces the number of level 5 players using level 40 scrolls in battle
var levelDiff = ch.Level - level;
if ((skill.Target == TargetTypes.OffensiveCharacter || SmaugRandom.Bits(7) == 1) &&
skill.Type != SkillTypes.Herb &&
ch.Chance(95 + levelDiff))
{
switch (SmaugRandom.Bits(2))
{
case 0:
case 2:
ch.FailedCast(skill, victim);
break;
case 1:
case 3:
comm.act(ATTypes.AT_MAGIC, "The $t spell backfires!", ch, skill.Name, victim, ToTypes.Character);
if (victim != null)
{
comm.act(ATTypes.AT_MAGIC, "$n's $t spell backfires!", ch, skill.Name, victim,
ToTypes.Victim);
}
comm.act(ATTypes.AT_MAGIC, "$n's $t spell backfires!", ch, skill.Name, victim, ToTypes.Room);
return(ch.CauseDamageTo(ch, SmaugRandom.Between(1, level), Program.TYPE_UNDEFINED));
}
return(ReturnTypes.None);
}
object vo;
switch (skill.Target)
{
default:
LogManager.Instance.Bug("Bad target for sn {0}", sn);
return(ReturnTypes.Error);
case TargetTypes.Ignore:
vo = null;
if (victim != null)
{
Cast.TargetName = victim.Name;
}
else if (obj != null)
{
Cast.TargetName = obj.Name;
}
break;
case TargetTypes.OffensiveCharacter:
if (victim != ch)
{
if (victim == null)
{
victim = ch.GetMyTarget();
}
if (CheckFunctions.CheckIfTrue(ch, victim == null || (!victim.IsNpc() && !victim.IsInArena()),
"You can't do that."))
{
return(ReturnTypes.None);
}
}
if (ch != victim && fight.is_safe(ch, victim, true))
{
return(ReturnTypes.None);
}
vo = victim;
break;
case TargetTypes.DefensiveCharacter:
if (victim == null)
{
victim = ch;
}
vo = victim;
if (CheckFunctions.CheckIfTrueCasting(
skill.Type != SkillTypes.Herb && victim.Immunity.IsSet(ResistanceTypes.Magic),
skill, ch, CastingFunctionType.Immune, victim))
{
return(ReturnTypes.None);
}
break;
case TargetTypes.Self:
vo = ch;
if (CheckFunctions.CheckIfTrueCasting(
skill.Type != SkillTypes.Herb && ch.Immunity.IsSet(ResistanceTypes.Magic),
skill, ch, CastingFunctionType.Immune, victim))
{
return(ReturnTypes.None);
}
break;
case TargetTypes.InventoryObject:
if (CheckFunctions.CheckIfNullObject(ch, obj, "You can't do that!"))
{
return(ReturnTypes.None);
}
vo = obj;
break;
}
var start = DateTime.Now;
var retcode = skill.SpellFunction.Value.Invoke(sn, level, ch, vo);
skill.UseHistory.Use(ch, DateTime.Now.Subtract(start));
if (retcode == ReturnTypes.SpellFailed)
{
retcode = ReturnTypes.None;
}
if (retcode == ReturnTypes.CharacterDied || retcode == ReturnTypes.Error)
{
return(retcode);
}
if (ch.CharDied())
{
return(ReturnTypes.CharacterDied);
}
if (skill.Target == TargetTypes.OffensiveCharacter &&
victim != ch &&
!victim.CharDied())
{
foreach (
var vch in
ch.CurrentRoom.Persons.Where(
vch => victim == vch && vch.CurrentFighting == null && vch.Master != ch))
{
retcode = fight.multi_hit(vch, ch, Program.TYPE_UNDEFINED);
break;
}
}
return(retcode);
}