private object _looterIdSyncLock = new object(); // Clients could try to loot at the same time (frequently do, actually)
#endregion Fields
#region Constructors
/// <summary>For use with NPC mobs.</summary>
/// <param name="mob">Mob that died.</param>
/// <param name="decayTime">Miliseconds until corpse decay.</param>
/// <param name="lootItems">Items which will be part of the corpse's loot.</param>
internal Corpse(Mob mob, List<InventoryItem> lootItems)
: base(mob.ID, mob.Name.RemoveDigits() + "'s corpse" + mob.ID.ToString(), "", mob.X, mob.Y, mob.Z, mob.Heading)
{
if (lootItems != null)
_lootItems.AddRange(lootItems);
this.Platinum = mob.Platinum;
this.Gold = mob.Gold;
this.Silver = mob.Silver;
this.Copper = mob.Copper;
_changed = false;
if (IsEmpty())
_decayTimer = new SimpleTimer(DECAYMS_EMPTY_NPC_CORPSE);
else
_decayTimer = new SimpleTimer(mob.Level > 54 ? DECAYMS_BOSS_NPC_CORPSE : DECAYMS_NPC_CORPSE);
_gender = mob.Gender;
_race = mob.Race;
_bodyType = mob.BodyType;
_size = mob.Size;
_texture = mob.Texture;
_helmTexture = mob.HelmTexture;
}
/// <summary>Removes the mob from all of the mobs's hate list.</summary>
internal void RemoveFromAllHateLists(Mob mob)
{
_mobsListLock.EnterReadLock();
try {
foreach (Mob m in this.AllMobs)
m.HateMgr.RemoveHate(mob);
}
catch (Exception ex) {
_log.Error("Error removing a mob from hate lists in the mob mgr... ", ex);
}
finally {
_mobsListLock.ExitReadLock();
}
}
protected override bool IsAbleToAttack(Mob target, bool spellAttack)
{
if (!base.IsAbleToAttack(target, spellAttack))
return false;
// TODO: check if we're trying to beat on our pet (not allowed)
// TODO: handle dueling
if (target is ZonePlayer)
return false;
return true;
}
/// <summary>Make sure to check if able to attack prior to calling as this routine doesn't check if we're able to attack.</summary>
/// <returns>False if the attack isn't allowed or did not succeed, true if attack successful.</returns>
internal override bool MeleeAttack(Mob target, bool isPrimaryHand, bool riposte)
{
if (!base.MeleeAttack(target, isPrimaryHand, riposte))
return false;
// Are we using a weapon?
Item weapon = isPrimaryHand ? this.GetEquipment(EquipableType.Primary) : this.GetEquipment(EquipableType.Secondary);
if (weapon != null) {
if (!weapon.IsWeapon) {
_log.DebugFormat("Attack cancelled: {0} is not a weapon.", weapon.Name);
return false;
}
}
// Cool, so we're going to attack
// First calculate the skill and animation to use
Skill attackSkill;
AttackAnimation attackAnim;
GetSkillAndAnimForAttack(weapon, isPrimaryHand, out attackSkill, out attackAnim);
OnAnimation(new AnimationEventArgs(attackAnim)); // Cue the animation
//_log.DebugFormat("Attacking {0} with {1} in slot {2} using skill {3}", this.TargetMob.Name, weapon == null ? "Fist" : weapon.Name,
// isPrimaryHand ? "Primary" : "Secondary", attackSkill.ToString("f"));
// Next figure out the potential damage
int potDamage = GetWeaponDamage(target, weapon);
int damage = 0;
//_log.DebugFormat("Potential damage calculated as {0}", potDamage);
// If potential damage is more than zero we know it's POSSIBLE to hit the target
if (potDamage > 0) {
// TODO: Finishing blow attempt
CheckForSkillUp(attackSkill, target, -5);
CheckForSkillUp(Skill.Offense, target, -5);
// Ok, so we know we CAN hit... let's see if we DO hit
if (target.TryToHit(this, attackSkill, isPrimaryHand)) {
// TODO: Augment potDamage with any Beserker damage bonuses
int minHitDmg = 1;
int maxHitDmg = this.GetMaxDamage(potDamage, attackSkill);
// Level cap the damage
if (this.Level < 10)
maxHitDmg = Math.Min(maxHitDmg, 20);
else if (this.Level < 20)
maxHitDmg = Math.Min(maxHitDmg, 40);
// TODO: apply damage bonuses (affects min and max dmg as well as hate)
// TODO: adjust min damage with any applicable item or buff bonuses
maxHitDmg = Math.Max(maxHitDmg, minHitDmg); // Ensure max is at least min
Random rand = new Random();
damage = rand.Next(minHitDmg, maxHitDmg + 1);
//_log.DebugFormat("Damage calculated to {0} (min {1}, max {2}, str {3}, skill {4}, pot dmg {5}, lvl {6})", damage, minHitDmg,
// maxHitDmg, this.STR, GetSkillLevel(attackSkill), potDamage, this.Level);
// With damage now calculated, see if the mob can avoid or mitigate
damage = target.TryToAvoidDamage(this, damage);
if (damage > 0) {
damage = target.TryToMitigateDamage(this, damage, minHitDmg); // wasn't avoided, try to mitigate
// TODO: apply any damage bonuses (is this the right term... bonuses?... wasn't that done by now?
// TODO: try a critical hit (why are we trying this after the mitigation?)
}
//_log.DebugFormat("Damage after avoidance and mitigation: {0}", damage);
}
else {
// We missed
//_log.Debug("Missed.");
}
// TODO: riposte
// TODO: strikethrough
}
else
damage = (int)AttackAvoidanceType.Invulnerable;
target.Damage(this, damage, 0, attackSkill); // Send attack damage - even zero and negative damage
BreakSneakiness();
// TODO: weapon procs
if (damage > 0) {
// TODO: handle lifetap effects?
// TODO: trigger defensive procs
return true;
}
else
return false;
}
protected override bool IsAbleToAttack(Mob target, bool spellAttack)
{
if (!base.IsAbleToAttack(target, spellAttack))
return false;
// TODO: handle attacking another NPC?
return true;
}
internal override bool MeleeAttack(Mob target, bool isPrimaryHand, bool riposte)
{
if (!base.MeleeAttack(target, isPrimaryHand, riposte))
return false;
FaceMob(target);
// Are we using a weapon?
Item weapon = isPrimaryHand ? this.GetEquipment(EquipableType.Primary) : this.GetEquipment(EquipableType.Secondary);
// Not much from the weapon is factored into the attack - just the skill type for the correct animations.
if (weapon != null) {
if (!isPrimaryHand && weapon.ItemType == (byte)ItemType.Shield) {
_log.DebugFormat("{0} attacking with {1}({2}) in secondary - attack with shield cancelled.", this.Name, weapon.Name, weapon.ItemID);
return false;
}
}
// First calculate the skill and animation to use
Skill attackSkill;
AttackAnimation attackAnim;
GetSkillAndAnimForAttack(weapon, isPrimaryHand, out attackSkill, out attackAnim);
OnAnimation(new AnimationEventArgs(attackAnim)); // Cue the animation
_log.DebugFormat("NPC attacking {0} with {1} in slot {2} using skill {3}", this.TargetMob.Name, weapon == null ? "Fist" : weapon.Name,
isPrimaryHand ? "Primary" : "Secondary", attackSkill.ToString("f"));
// Next figure out the potential damage
int potDamage = GetWeaponDamage(target, weapon);
int damage = 0;
//_log.DebugFormat("Potential damage calculated as {0} for {1}", potDamage, this.Name);
// If potential damage is more than zero we know it's POSSIBLE to hit the target
if (potDamage > 0) {
// Elemental & Bane dmg added differently than for PCs - where PCs would use the potential dmg (which has elem & bane included)
// to figure max dmg, NPCs use the built-in min & max dmg values along with any elem and/or bane dmg.
int elemBaneDmg = 0;
if (weapon != null) {
if (weapon.BaneDmgBody == (int)target.BodyType)
elemBaneDmg += weapon.BaneDmgBodyAmt;
if (weapon.BaneDmgRace == target.Race)
elemBaneDmg += weapon.BaneDmgRaceAmt;
if (weapon.ElemDmgAmt > 0) {
// TODO: check for other's resist
}
}
int minDmg = _minDmg + elemBaneDmg;
int maxDmg = _maxDmg + elemBaneDmg;
// Ok, so we know we CAN hit... let's see if we DO hit
if (target is ZonePlayer && ((ZonePlayer)target).Sitting) {
_log.DebugFormat("{0} is sitting - {1} hitting for max damage {2}", ((ZonePlayer)target).Name, this.Name, maxDmg);
damage = maxDmg;
}
else if (target.TryToHit(this, attackSkill, isPrimaryHand)) {
Random rand = new Random();
damage = rand.Next(minDmg, maxDmg + 1);
//_log.DebugFormat("{4}'s damage calculated to {0} (min {1}, max {2}, pot dmg {3})", damage, minDmg, maxDmg, potDamage, this.Name);
// With damage now calculated, see if the mob can avoid and mitigate
damage = target.TryToAvoidDamage(this, damage);
if (damage > 0) {
damage = target.TryToMitigateDamage(this, damage, minDmg); // wasn't avoided, try to mitigate
// TODO: apply any damage bonuses (is this the right term... bonuses?... wasn't that done by now?
// TODO: try a critical hit (why are we trying this after the mitigation?)
}
//_log.DebugFormat("NPC damage after avoidance and mitigation: {0}", damage);
}
//else
// _log.DebugFormat("{0} missed {1}.", this.Name, this.TargetMob.Name);
// TODO: cancel a riposte of a riposte
}
else
damage = (int)AttackAvoidanceType.Invulnerable;
target.Damage(this, damage, 0, attackSkill); // Send attack damage - even zero and negative damage
BreakSneakiness();
// TODO: weapon procs
// TODO: check if we're getting a riposte back?
if (damage > 0) {
// TODO: handle lifetap effects?
// TODO: trigger defensive procs
return true;
}
else
return false;
}
/// <summary>Based upon several factors, the spell being cast can have different targets. This method determines those targets.</summary>
protected bool DetermineSpellTargets(Spell spell, Mob target, ref Mob aeCenter, out CastActionType cat)
{
cat = CastActionType.AECaster;
return false; // TODO: unfinished
}
protected virtual bool IsAbleToAttack(Mob target, bool spellAttack)
{
if (target == null)
throw new ArgumentNullException("other");
return target.IsAttackable;
}
/// <summary>Determines if we are behind a given mob. Useful for hide, backstab and riposte checks.</summary>
/// <param name="other">Mob we are seeing if we are behind.</param>
internal bool IsBehindMob(Mob other)
{
float angle, lengthB, vectorX, vectorY;
float mobX = -(other.X); // mob xlocation (inverse because eq is confused)
float mobY = other.Y; // mobylocation
float heading = other.Heading; // mob heading
heading = (heading * 360.0f) / 256.0f; // convert to degrees
if (heading < 270)
heading += 90;
else
heading -= 270;
heading = heading * 3.1415f / 180.0f; // convert to radians
vectorX = mobX + (10.0f * (float)Math.Cos(heading)); // create a vector based on heading
vectorY = mobY + (10.0f * (float)Math.Sin(heading)); // of mob length 10
//length of mob to player vector
//lengthb = (float)sqrtf(pow((-playerx-mobx),2) + pow((playery-moby),2));
lengthB = (float)Math.Sqrt(((-(this.X) - mobX) * (-(this.X) - mobX)) + ((this.Y - mobY) * (this.Y - mobY)));
// calculate dot product to get angle
angle = (float)Math.Acos(((vectorX - mobX) * (-(this.X) - mobX) + (vectorY - mobY) * (this.Y - mobY)) / (10 * lengthB));
angle = angle * 180f / 3.1415f;
if (angle > 90.0) //not sure what value to use (90*2=180 degrees is front)
return true;
else
return false;
}
internal float DistanceNoZ(Mob other)
{
float xDiff = other.X - this.X;
float yDiff = other.Y - this.Y;
return (float)Math.Sqrt((xDiff * xDiff) + (yDiff * yDiff));
}
internal float DistanceNoRoot(Mob other)
{
float xDiff = other.X - this.X;
float yDiff = other.Y - this.Y;
float zDiff = other.Z - this.Z;
return ((xDiff * xDiff) + (yDiff * yDiff) + (zDiff * zDiff));
}
/// <summary></summary>
/// <param name="attacker">Optional parameter of whom is causing the damage.</param>
/// <param name="dmgAmt">Amount of damage caused.</param>
/// <param name="spellId">Id of the spell responsible for the damage. Zero indicates no spell.</param>
internal virtual void Damage(Mob attacker, int dmgAmt, int spellId, Skill attackSkill)
{
// TODO: is this from a damage shield?
int hate = dmgAmt * 2; // TODO: this value may need tweaked
if (attacker != null) {
if (attacker is ZonePlayer) {
if (!((ZonePlayer)attacker).IsFeigning) // only hate on the player if they aren't fd'ing
_hateMgr.AddHate(attacker, hate, dmgAmt);
}
else
_hateMgr.AddHate(attacker, hate, dmgAmt); // TODO: pets seem to have thier own calc for hate (see NPC::Attack in orig emu)
}
if (dmgAmt > 0) { // Is there some damage actually being done?
if (attacker != null) { // Is someone doing the damage?
// TODO: harm touch
// TODO: lifetap spell effects?
}
// TODO: pet shit
// TODO: rune stuff
_log.DebugFormat("{0} has taken {1} damage. {2} HP left ({3:P}).", this.Name, dmgAmt, this.HP - dmgAmt, (this.HP - dmgAmt) / (float)this.MaxHP);
if (dmgAmt >= this.HP) {
// TODO: try death save via AA abilities, etc. (in a virtual method)
// TODO: do we do the damage msg here or elsewhere?
this.Die(attacker, dmgAmt, spellId, attackSkill);
return;
}
this.HP -= dmgAmt;
if (this.Sneaking)
this.Sneaking = false;
// TODO: remove mez
// TODO: check stun chances if bashing
// TODO: handle chance of spell breaking root - (spellId of 0 is no spell)
// TODO: handle chance of casting interrupt
}
OnDamaged(new DamageEventArgs()
{
SourceId = (ushort)(attacker == null ? 0 : attacker.ID),
Damage = (uint)dmgAmt,
Type = Mob.GetDamageTypeForSkill(attackSkill),
SpellId = (ushort)spellId
}
);
}
private void PlayerDeath(ZonePlayer zp, Mob lastAttacker, uint spellId, byte damageType, uint damage)
{
_log.DebugFormat("{0} bought the farm. Fatal blow dealt by {1} with {2} damage, skill {3}, spell {4}.", zp.Name, lastAttacker.Name,
damage, damageType, spellId);
if (zp.IsDePopped) {
_log.WarnFormat("{0} is trying to die more than once or something... is already depopped!", zp.Name);
return;
}
_zoneSvr.SendLogoutPackets(zp.Client);
// Make the become corpse packet and queue to player before Death opCode packet
BecomeCorpse bc = new BecomeCorpse()
{
SpawnId = (uint)zp.ID,
X = zp.X,
Y = zp.Y,
Z = zp.Z
};
EQApplicationPacket<BecomeCorpse> bcPack = new EQApplicationPacket<BecomeCorpse>(AppOpCode.BecomeCorpse, bc);
_zoneSvr.QueuePacketToClient(zp.Client, bcPack, true, ZoneConnectionState.All);
Death d = new Death()
{
SpawnId = (uint)zp.ID,
KillerId = lastAttacker == null ? 0u : (uint)lastAttacker.ID,
CorpseId = (uint)zp.ID,
BindToZoneId = zp.PlayerProfile.Binds[0].ZoneId,
SpellId = spellId == 0u ? 0xFFFFFFFF : spellId,
AttackSkillId = spellId != 0u ? (uint)0xe7 : damageType,
Damage = damage
};
EQApplicationPacket<Death> dPack = new EQApplicationPacket<Death>(AppOpCode.Death, d);
_zoneSvr.QueuePacketToClients(lastAttacker, dPack, false);
RemoveFromAllTargets(zp);
// orig emu removed self from its own hate list... don't understand why you'd do that, so skipping
if (!zp.IsGM) { // GM's don't get penalized from dieing... muwhahaha
// Figure out how much xp we lose, if any
int xpLoss = 0;
if (zp.Level >= WorldServer.ServerConfig.LevelDeathDoesXPLoss) // TODO: don't lose xp when we have become an NPC?
xpLoss = (int)(zp.XP * WorldServer.ServerConfig.XPLossModifier);
if (lastAttacker is ZonePlayer) // TODO: also check if the attacker is a pet owned by a player (no xp loss in that case)
xpLoss = 0; // Don't lose xp when dueling
_log.DebugFormat("{0} is losing {1} xp due to his ass died.", zp.Name, xpLoss);
zp.XP -= xpLoss;
// TODO: fade buffs (ALL - good and bad)
// TODO: unmem spells (don't send packets)
PlayerCorpse pc = new PlayerCorpse(zp, xpLoss, _zoneSvr.HasGraveyard());
AddCorpse(pc);
_zoneSvr.QueuePacketToClients(zp, bcPack, true); // send the become corpse packet to all players in the zone
}
else {
// TODO: fade just detrimental buffs
}
// Send player to bind point
_zoneSvr.MovePlayer(zp, zp.PlayerProfile.Binds[0].ZoneId, 0, zp.PlayerProfile.Binds[0].X, zp.PlayerProfile.Binds[0].Y, zp.PlayerProfile.Binds[0].Z, zp.PlayerProfile.Binds[0].Heading, ZoneMode.ZoneToBindPoint);
}
private void NpcDeath(NpcMob npc, Mob lastAttacker, uint spellId, byte damageType, uint damage)
{
RemoveFromAllTargets(npc); // Remove NPC from any entity's target & hate lists
// Send Death Packet
Death d = new Death()
{
SpawnId = (uint)npc.ID,
KillerId = lastAttacker == null ? 0u : (uint)lastAttacker.ID,
BindToZoneId = 0u,
SpellId = spellId == 0u ? 0xFFFFFFFF : spellId,
AttackSkillId = damageType,
Damage = damage
};
EQApplicationPacket<Death> dPack = new EQApplicationPacket<Death>(AppOpCode.Death, d);
_zoneSvr.QueuePacketToClients(lastAttacker, dPack, false); // TODO: this should be cool with a null lastAttacker, right?
// TODO: something about respawn?
Mob killer = npc.HateMgr.GetTopHated();
Mob xpMob = npc.HateMgr.GetTopDamager();
// Give xp out
if (xpMob == null)
xpMob = killer;
if (xpMob == null)
xpMob = lastAttacker;
// TODO: if xpMob is pet, get the owner
ZonePlayer xpClient = xpMob as ZonePlayer;
if (xpClient != null) {
// TODO: handle raid split, LDON adventure crap, etc.
float groupBonus = 1.0f;
if (xpClient.IsGrouped) {
// TODO: handle group split
// TODO: add group xp bonus
}
else {
ConLevel conLvl = Mob.GetConsiderDificulty(xpClient.Level, npc.Level);
if (conLvl != ConLevel.Green) {
// TODO: figure high con bonus, if any
int baseXp = (int)(npc.Level * npc.Level * groupBonus * _zoneSvr.Zone.XPMultiplier);
xpClient.GiveXP((int)(npc.Level * npc.Level * 75 * _zoneSvr.Zone.XPMultiplier), conLvl);
}
}
// TODO: raise death merit event?
}
// TODO: faction hits
// Make a corpse and add to the manager
if (npc.IsLootable) { // TODO: add additional checks for stuff like a guard killing the mob, etc.
Corpse c = new Corpse(npc, npc.LootItems);
AddCorpse(c);
// TODO: if killer is a pet, get the owner
if (xpClient != null)
c.AllowLooter(killer as ZonePlayer);
}
// TODO: raise script event
_log.DebugFormat("NPC {0} has died", npc.ID);
}
/// <summary>Removes the specified mob from the targets of all mobs, if they have it targeted.</summary>
internal void RemoveFromAllTargets(Mob mob)
{
_mobsListLock.EnterReadLock();
try {
foreach (Mob m in this.AllMobs) {
if (m.TargetMob == mob) {
m.HateMgr.RemoveHate(mob);
m.TargetMob = null;
}
}
}
catch (Exception ex) {
_log.Error("Error removing a mob from targets in the mob mgr... ", ex);
}
finally {
_mobsListLock.ExitReadLock();
}
}
/// <summary>Makes this mob turn to face the specified mob.</summary>
/// <param name="mobToFace">The mob that should be faced. If null, faces the currently targeted mob.</param>
protected void FaceMob(Mob other)
{
Mob mobToFace = other == null ? this.TargetMob : other;
if (mobToFace == null) {
_log.Error("Unable to face the mob - null was specified and we don't have a mob targeted.");
return;
}
float oldHeading = this.Heading;
float newHeading = CalculateHeadingToTarget(mobToFace.X, mobToFace.Y);
if (oldHeading != newHeading) {
this.Heading = newHeading;
if (this.IsMoving)
OnPositionUpdate(new PosUpdateEventArgs(true, true));
else
OnPositionUpdate(new PosUpdateEventArgs(true, false));
}
}
/// <summary>Gets the damage for the specified target mob with the specified weapon.</summary>
/// <param name="target">Mob that is being attacked.</param>
/// <param name="weapon">Null indicates fists.</param>
/// <returns>Amount of damage delivered.</returns>
protected int GetWeaponDamage(Mob target, Item weapon)
{
int damage = 0, baneDamage = 0, elemDamage = 0;
if (target.Invulnerable || target.HasSpecialDefense(SpecialDefenses.ImmuneMelee))
return 0;
if (target.HasSpecialDefense(SpecialDefenses.ImmuneMeleeNonmagical)) {
if (weapon != null) {
if (weapon.IsMagic) { // TODO: look for magic weapon buff as well
if (this is ZonePlayer && this.Level < weapon.RecLevel)
damage = ZonePlayer.CalcRecommendedLevelBonus(this.Level, weapon.RecLevel, weapon.Damage);
else
damage = weapon.Damage;
// TODO: accumulate weapon augmentation damage bonuses
damage = Math.Min(damage, 1);
}
else
return 0; // Weapon not magical, but one is needed
}
else {
// TODO: add check below for pet ability to hit
if ((this.Class == (byte)CharClasses.Monk || this.Class == (byte)CharClasses.BeastLord) && this.Level >= 30)
damage = GetMonkHandToHandDamage();
else if (this.HasSpecialAttack(SpecialAttacks.Magical))
damage = 1;
else
return 0; // No weapon and can't harm with hand to hand
}
}
else {
if (weapon != null) {
if (this is ZonePlayer && this.Level < weapon.RecLevel)
damage = ZonePlayer.CalcRecommendedLevelBonus(this.Level, weapon.RecLevel, weapon.Damage);
else
damage = weapon.Damage;
// TODO: accumulate weapon augmentation damage bonuses
damage = Math.Max(damage, 1); // Minimum weapon damage of 1
}
else {
if (this.Class == (byte)CharClasses.Monk || this.Class == (byte)CharClasses.BeastLord)
damage = GetMonkHandToHandDamage();
else
damage = UNARMED_DAMAGE;
}
}
// TODO: elemental damage (Don't add resist checks - just calculating POTENTIAL damage here)
// TODO: bane damage
return damage + baneDamage + elemDamage;
}
/// <summary>Determines if this mob is invisible to another mob.</summary>
/// <param name="other">Mob that may or may not be capable of seeing this mob.</param>
internal bool IsInvisibleTo(Mob other)
{
// check regular invisibility
if (this.Invisible && !other.SeeInvis)
return true;
// check invis vs. undead
if (other.BodyType == BodyType.Undead || other.BodyType == BodyType.SummonedUndead) {
if (this.InvisibleToUndead && !other.SeeInvisToUndead)
return true;
}
// check invis vs. animals
if (other.BodyType == BodyType.Animal)
if (this.InvisibleToAnimals && !other.SeeInvisToAnimals)
return true;
if (this.Hidden) {
if (!other.SeeHide && !other.SeeImprovedHide)
return true;
}
if (this.ImprovedHidden && !other.SeeImprovedHide)
return true;
if (this.Sneaking && IsBehindMob(other))
return true;
return false;
}
/// <summary>Actually executes a spell and its effects on a specified target.</summary>
/// <param name="spell"></param>
/// <param name="target"></param>
/// <param name="slotId"></param>
/// <param name="invSlotId">Optional slot a used item is in that caused the spell.</param>
/// <returns></returns>
internal virtual bool ExecuteSpell(Spell spell, Mob target, uint slotId, uint? invSlotId)
{
CastActionType cat;
Mob aeCenter = null;
if (!DetermineSpellTargets(spell, target, ref aeCenter, out cat))
return false;
return true; // TODO: unfinished
}
/// <summary>Determines if this mob is within combat range of another mob.</summary>
/// <param name="other">Mob that may or may not be within combat range of this mob.</param>
internal bool IsWithinCombatRangeOf(Mob other)
{
float sizeMod = this.Size;
float otherSizeMod = other.Size;
Races thisRace = (Races)this.Race;
if (thisRace == Races.LavaDragon || thisRace == Races.Wurm || thisRace == Races.GhostDragon) // For races with fixed size
sizeMod = 60.0f;
else if (sizeMod < 6.0f)
sizeMod = 8.0f;
Races otherRace = (Races)this.Race;
if (otherRace == Races.LavaDragon || otherRace == Races.Wurm || otherRace == Races.GhostDragon) // For races with fixed size
otherSizeMod = 60.0f;
else if (sizeMod < 6.0f)
otherSizeMod = 8.0f;
sizeMod = Math.Max(sizeMod, otherSizeMod);
// not 100% sure what's going on here... seems to be scaling the size modifier a bit
if (sizeMod > 29)
sizeMod *= sizeMod;
else if (sizeMod > 19)
sizeMod *= sizeMod * 2;
else
sizeMod *= sizeMod * 4;
// Prevent ridiculously sized hit boxes
if (sizeMod > 10000.0f)
sizeMod /= 7;
if (this.DistanceNoRootNoZ(other) <= sizeMod)
return true;
return false;
}
internal override void Damage(Mob attacker, int dmgAmt, int spellId, Skill attackSkill)
{
// TODO: raise attacked script event
// TODO: handle LDON treasure traps, etc.
base.Damage(attacker, dmgAmt, spellId, attackSkill);
// TODO: upstream pet class should send a msg to its owner
// TODO: upstream pet class should check if it should flee
}
/// <summary>Performs a melee attack against the specified target mob.</summary>
/// <param name="target">Mob being attacked.</param>
/// <param name="isPrimaryHand">Is this the primary hand weapon as opposed to a dual wield attack.</param>
/// <param name="riposte">Is this a riposte attack?</param>
/// <returns>True if an attack succeeded, else false if the attack didn't succeed (for whatever reason).</returns>
internal virtual bool MeleeAttack(Mob target, bool isPrimaryHand, bool riposte)
{
if (target == null)
throw new ArgumentNullException("target");
return true;
// Anything else should be handled in the specific entity type
}
protected override void Die(Mob lastAttacker, int damage, int spellId, Skill attackSkill)
{
// TODO: kill pet - maybe handle in mob class?
// TODO: fade buffs
// TODO: something with LDON treasures
base.Die(lastAttacker, damage, spellId, attackSkill);
}
/// <summary>Tries to avoid an attack that has already been determined to otherwise land a hit.</summary>
/// <param name="attacker"></param>
/// <param name="damage"></param>
/// <returns>Damage amount after avoidance methods are checked. If successfully avoided the damage will be one of the AttackAvoidanceType values.</returns>
internal int TryToAvoidDamage(Mob attacker, int damage)
{
float bonus = 0.0f;
uint skill = 0;
float riposteChance = 0.0f, blockChance = 0.0f, parryChance = 0.0f, dodgeChance = 0.0f;
// TODO: determine guaranteed hits
bool autoHit = false;
// If this mob is enraged, it auto-ripostes (even guaranteed hits apparently)
if (this is NpcMob && ((NpcMob)this).Enraged && !attacker.IsBehindMob(this)) {
damage = (int)AttackAvoidanceType.Riposte;
}
// Try to Riposte
if (damage > 0 && this.GetSkillLevel(Skill.Riposte) > 0 && !attacker.IsBehindMob(this)) {
skill = this.GetSkillLevel(Skill.Riposte);
if (this is ZonePlayer)
((ZonePlayer)this).CheckForSkillUp(Skill.Riposte, attacker, 0);
if (!autoHit) { // guaranteed hit discipline trumps riposte
bonus = 2.0f + skill / 60.0f + (this.DEX / 200);
// TODO: add in riposte related item and spell bonuses
riposteChance = bonus;
}
}
// Try to Block
bool blockFromRear = false; // TODO: handle Hightened Awareness AA
if (damage > 0 && this.GetSkillLevel(Skill.Block) > 0 && (!attacker.IsBehindMob(this) || blockFromRear)) {
skill = this.GetSkillLevel(Skill.Block);
if (this is ZonePlayer)
((ZonePlayer)this).CheckForSkillUp(Skill.Block, attacker, 0);
if (!autoHit) {
bonus = 2.0f + skill / 35.0f + (this.DEX / 200);
blockChance = riposteChance + bonus;
}
// TODO: handle Shield Block AA
}
// TODO: Try to Parry
// TODO: Try to Dodge
Random rand = new Random();
int roll = rand.Next(1, 101); // Roll between 1-100
if (roll <= (riposteChance + blockChance + parryChance + dodgeChance)) {
// Something worked, now which one was it...
if (roll <= riposteChance)
damage = (int)AttackAvoidanceType.Riposte;
else if (roll < blockChance)
damage = (int)AttackAvoidanceType.Block;
else if (roll < parryChance)
damage = (int)AttackAvoidanceType.Parry;
else if (roll < dodgeChance)
damage = (int)AttackAvoidanceType.Dodge;
}
return damage;
}
/// <summary></summary>
/// <param name="attacker"></param>
/// <param name="dmgAmt"></param>
/// <param name="spellId">Id of the damaging spell. Zero for no spell.</param>
/// <param name="attackSkill"></param>
internal override void Damage(Mob attacker, int dmgAmt, int spellId, Skill attackSkill)
{
if (this.Dead)
throw new InvalidOperationException("Cannot damage a dead PC."); // TODO: do we just want to return instead of throw?
base.Damage(attacker, dmgAmt, spellId, attackSkill);
if (dmgAmt > 0) {
if (spellId == 0)
CheckForSkillUp(Skill.Defense, attacker, -5);
}
}
internal bool TryToHit(Mob attacker, Skill attackSkill, bool isPrimaryHand)
{
float hitChance = WorldServer.ServerConfig.BaseHitChance * 100;
if (attacker is NpcMob) {
hitChance += WorldServer.ServerConfig.NPCBonusHitChance;
hitChance += (hitChance * ((NpcMob)attacker).Accuracy / 1000.0f); // Accuracy can be set in NPC table over 1000 to give the NPC a greater hit chance
}
//_log.DebugFormat("Base hit chance with NPC bonus & NPC Accuracy: {0}", hitChance);
int levelDiff = attacker.Level - this.Level;
float range = attacker.Level / 4.0f + 3; // This is changed from orig emu... I chose the attacker to base from for a tighter range
if (levelDiff < 0) {
// We are of higher level than the attacker
if (levelDiff >= -range)
hitChance += levelDiff / range * WorldServer.ServerConfig.HitFallOffMinor; // 5
else if (levelDiff >= -(range + 3.0f)) {
hitChance -= WorldServer.ServerConfig.HitFallOffMinor;
hitChance += ((levelDiff + range) / 3.0f) * WorldServer.ServerConfig.HitFallOffModerate; // 7
}
else {
hitChance -= WorldServer.ServerConfig.HitFallOffMinor + WorldServer.ServerConfig.HitFallOffModerate;
hitChance += ((levelDiff + range + 3.0f) / 12.0f) * WorldServer.ServerConfig.HitFallOffMajor; // Basically no f*****g chance
}
}
else
hitChance += levelDiff * WorldServer.ServerConfig.HitBonusPerLevel;
//_log.DebugFormat("Hit chance after level diff adj: {0} (attacker level: {1} defender level: {2} diff: {3})", hitChance, attacker.Level, this.Level, levelDiff);
hitChance -= this.AGI * 0.05f; // Adjust for agility TODO: const or db
//_log.DebugFormat("Hit chance after adj for AGI: {0} (AGI: {1})", hitChance, this.AGI);
if (attacker is ZonePlayer) {
// TODO: weapon skill & defense skill falloffs?
// TODO: handle client specific AA bonuses
}
// TODO: Add spell and item bonuses relating to ATTACKER melee skill and hit chance skill (Factor this into virtual GetChanceToHitBonuses())
// TODO: subtract off the defender's avoidance (looks like spell and item bonus related)
// TODO: defender's AA abilities which mitigate to hit chances
if (hitChance < 1000.0f) { // As long as a discipline isn't involved... TODO: what about guaranteed riposte vs. guaranteed hit?
hitChance = Math.Max(hitChance, TOHIT_MIN); // Chance to hit max: 95% min: 5%
hitChance = Math.Min(hitChance, TOHIT_MAX);
}
Random rand = new Random();
int toHitRoll = rand.Next(0, 100);
//_log.DebugFormat("Final hit chance: {0} Roll: {1})", hitChance, toHitRoll);
return toHitRoll <= hitChance;
}
protected override void Die(Mob lastAttacker, int damage, int spellId, Skill attackSkill)
{
// TODO: interrupt the spell being cast
// TODO: clear pet
// TODO: clear mount
_deadTimer.Start(DEAD_TIMER);
if (lastAttacker != null) {
if (lastAttacker is NpcMob) {
// TODO: raise slay event for the NPC
}
// TODO: handle dueling
}
if (this.IsGrouped) {
// TODO: tell group we zoned (here or in mobMgr?)
}
if (this.IsRaidGrouped) {
// TODO: tell raid we zoned (here or in mobMgr?)
}
// TODO: clear proximity?
base.Die(lastAttacker, damage, spellId, attackSkill);
// Player's shit is now on their corpse, not on them
this.Platinum = 0u;
this.Gold = 0u;
this.Silver = 0u;
this.Copper = 0u;
this.InvMgr.ClearPersonalSlotItems();
// TODO: clear zone instance ID (when instancing is in)
Save();
}
/// <summary>Attempts to mitigate the specified damage amount.</summary>
/// <param name="attacker"></param>
/// <param name="damage"></param>
/// <returns>Resulting amount of damage after all mitigation has been applied.</returns>
internal int TryToMitigateDamage(Mob attacker, int damage, int minDmg)
{
if (damage <= 0)
throw new ArgumentOutOfRangeException("damage", "No need to mitigate damage of zero or less.");
int totalMit = 0;
// TODO: Accumulate bonuses from AA abilities related to damage mitigation
// AC mitigation TODO: examine these calcs and see if they are wacky or not
int attackRating = 0;
int defenseRating = this.AC;
defenseRating += 125 + (totalMit * defenseRating / 100);
int acEq100 = 125;
if (this.Level < 20)
acEq100 += 15 * this.Level;
else if (this.Level < 50)
acEq100 += (285 + ((this.Level - 19) * 30));
else if (this.Level < 60)
acEq100 += (1185 + ((this.Level - 49) * 60));
else if (this.Level < 70)
acEq100 += (1785 + ((this.Level - 59) * 90));
else
acEq100 += (2325 + ((this.Level - 69) * 125));
if (attacker is ZonePlayer) // TODO: factor below into an AttackRating property?
attackRating = 10 + attacker.Attack + (int)(attacker.STR + attacker.GetSkillLevel(Skill.Offense) * 9 / 10);
else
attackRating = 10 + attacker.Attack + (attacker.STR * 9 / 10);
float combatRating = defenseRating - attackRating;
combatRating = 100 * combatRating / acEq100;
float d1Chance = 6.0f + ((combatRating * 0.39f) / 3);
float d2d19Chance = 48.0f + (((combatRating * 0.39f) / 3) * 2);
d1Chance = Math.Max(d1Chance, 1.0f); // min chance of 1.0
d2d19Chance = Math.Max(d2d19Chance, 5.0f); // min chance of 5.0
Random rand = new Random();
double roll = rand.NextDouble() * 100;
int interval = 0;
if (roll <= d1Chance)
interval = 1;
else if (roll <= (d2d19Chance + d1Chance))
interval = 1 + (int)((((roll - d1Chance) / d2d19Chance) * 18) + 1);
else
interval = 20;
// TODO: the f**k is this shit?
int db = minDmg;
double di = ((double)(damage - minDmg) / 19);
damage = db + (int)(di * (interval - 1));
// TODO: reduce damage further from shielding item and AA which are based on the min dmg
// TODO: reduce damage further from spells which are based upon pure damage (not min dmg)
return Math.Max(damage, minDmg); // Can't mitigate below min dmg
}
/// <summary>Checks if the player gains a skill point in a particular skill.</summary>
/// <param name="skill">The skill to check for a skill up for.</param>
/// <param name="target">The mob the check is being performed against. Null if not that kind of skill.</param>
/// <param name="chanceMod">Modifier to add to the chance probability. A value of 80+ would almost ensure a skillup.</param>
internal bool CheckForSkillUp(Skill skill, Mob target, int chanceMod)
{
if (this.IsAIControlled)
return false;
if (skill > Skill.Highest)
throw new ArgumentException("Skill type is beyond the range of legal skill types.", "skill");
uint skillLvl = GetBaseSkillLevel(skill);
uint maxLvl = GetSkillCap(skill);
if (skillLvl < maxLvl) {
if (target != null) {
if (target is ZonePlayer || Mob.GetConsiderDificulty(this.Level, target.Level) == ConLevel.Green)
return false; // TODO: add check for aggro immunity on target (spec attack)
}
// the higher the current skill level, the harder it is to skill up
int chance = ((252 - (int)skillLvl) / 20) + chanceMod;
chance = Math.Max(chance, 1); // Always have at least a slim chance
// TODO: add configurable global skill up modifier
Random rand = new Random();
if (rand.Next(100) < chance) {
SetSkillLevel(skill, skillLvl + 1);
_log.DebugFormat("{0} skilled up {1} from skill level {2} with a chance of {3}", this.Name, skill, skillLvl, chance);
return true;
}
//else
// _log.DebugFormat("{0} failed to skill up {1} from skill level {2} with a chance of {3}", this.Name, skill, skillLvl, chance);
}
else
_log.DebugFormat("{0} unable to skill up {1} from skill level {2} due to a cap of {3}", this.Name, skill, skillLvl, maxLvl);
return false;
}
protected virtual void Die(Mob lastAttacker, int damage, int spellId, Skill attackSkill)
{
this.HP = 0;
OnDamaged(new DamageEventArgs()
{
SourceId = (ushort)(lastAttacker == null ? 0 : lastAttacker.ID),
Damage = (uint)damage,
Type = Mob.GetDamageTypeForSkill(attackSkill),
SpellId = (ushort)spellId
});
_hateMgr.Clear();
DePop();
}
