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Core/Spells: Implemented evoker empower spell mechanic

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Port From (https://github.com/TrinityCore/TrinityCore/commit/a39d0db9ec64f6bf38716abaade5b7835f2db338)
This commit is contained in:
Hondacrx
2024-08-19 18:48:32 -04:00
parent 2405543be4
commit d231c06b8e
18 changed files with 616 additions and 89 deletions
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Source/Game/Spells/Spell.cs
+207 -35
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@@ -91,14 +91,15 @@ namespace Game.Spells
//Auto Shot & Shoot (wand)
m_autoRepeat = m_spellInfo.IsAutoRepeatRangedSpell();
if (m_spellInfo.IsEmpowerSpell())
m_empower = new EmpowerData();
// Determine if spell can be reflected back to the caster
// Patch 1.2 notes: Spell Reflection no longer reflects abilities
m_canReflect = caster.IsUnit() && ((m_spellInfo.DmgClass == SpellDmgClass.Magic && !m_spellInfo.HasAttribute(SpellAttr0.IsAbility)) || m_spellInfo.HasAttribute(SpellAttr7.AllowSpellReflection))
&& !m_spellInfo.HasAttribute(SpellAttr1.NoReflection) && !m_spellInfo.HasAttribute(SpellAttr0.NoImmunities)
&& !m_spellInfo.IsPassive();
CleanupTargetList();
for (var i = 0; i < SpellConst.MaxEffects; ++i)
m_destTargets[i] = new SpellDestination(m_caster);
}
@@ -1046,7 +1047,7 @@ namespace Game.Spells
if (liquidLevel <= ground) // When there is no liquid Map.GetWaterOrGroundLevel returns ground level
{
SendCastResult(SpellCastResult.NotHere);
SendChannelUpdate(0);
SendChannelUpdate(0, SpellCastResult.NotHere);
Finish(SpellCastResult.NotHere);
return;
}
@@ -1054,7 +1055,7 @@ namespace Game.Spells
if (ground + 0.75 > liquidLevel)
{
SendCastResult(SpellCastResult.TooShallow);
SendChannelUpdate(0);
SendChannelUpdate(0, SpellCastResult.TooShallow);
Finish(SpellCastResult.TooShallow);
return;
}
@@ -2609,7 +2610,7 @@ namespace Game.Spells
// a possible alternative sollution for those would be validating aura target on unit state change
if (triggeredByAura != null && triggeredByAura.IsPeriodic() && !triggeredByAura.GetBase().IsPassive())
{
SendChannelUpdate(0);
SendChannelUpdate(0, result);
triggeredByAura.GetBase().SetDuration(0);
}
@@ -2741,7 +2742,7 @@ namespace Game.Spells
}
}
SendChannelUpdate(0);
SendChannelUpdate(0, SpellCastResult.Interrupted);
SendInterrupted(0);
SendCastResult(SpellCastResult.Interrupted);
@@ -3141,10 +3142,12 @@ namespace Game.Spells
if (m_spellInfo.IsChanneled())
{
int duration = m_spellInfo.GetDuration();
if (duration > 0 || m_spellValue.Duration.HasValue)
if (duration > 0 || m_spellValue.Duration > 0)
{
if (!m_spellValue.Duration.HasValue)
{
int originalDuration = duration;
// First mod_duration then haste - see Missile Barrage
// Apply duration mod
Player modOwner = m_caster.GetSpellModOwner();
@@ -3155,6 +3158,27 @@ namespace Game.Spells
// Apply haste mods
m_caster.ModSpellDurationTime(m_spellInfo, ref duration, this);
if (IsEmpowerSpell())
{
float ratio = (float)duration / (float)originalDuration;
TimeSpan totalExceptLastStage = TimeSpan.Zero;
for (int i = 0; i < m_spellInfo.EmpowerStageThresholds.Count - 1; ++i)
{
m_empower.StageDurations[i] = TimeSpan.FromMilliseconds((long)(m_spellInfo.EmpowerStageThresholds[i].TotalMilliseconds * ratio));
totalExceptLastStage += m_empower.StageDurations[i];
}
m_empower.StageDurations[^1] = TimeSpan.FromMilliseconds(duration) - totalExceptLastStage;
Player playerCaster = m_caster.ToPlayer();
if (playerCaster != null)
m_empower.MinHoldTime = TimeSpan.FromMilliseconds((long)(m_empower.StageDurations[0].TotalMilliseconds * playerCaster.GetEmpowerMinHoldStagePercent()));
else
m_empower.MinHoldTime = m_empower.StageDurations[0];
duration += (int)SpellConst.EmpowerHoldTimeAtMax;
}
}
else
duration = m_spellValue.Duration.Value;
@@ -3452,9 +3476,47 @@ namespace Game.Spells
}
}
if (IsEmpowerSpell())
{
int getCompletedEmpowerStages()
{
TimeSpan passed = TimeSpan.FromMilliseconds(m_channeledDuration - m_timer);
for (int i = 0; i < m_empower.StageDurations.Count; ++i)
{
passed -= m_empower.StageDurations[i];
if (passed < TimeSpan.Zero)
return i;
}
return m_empower.StageDurations.Count;
};
int completedStages = getCompletedEmpowerStages();
if (completedStages != m_empower.CompletedStages)
{
SpellEmpowerSetStage empowerSetStage = new();
empowerSetStage.CastID = m_castId;
empowerSetStage.CasterGUID = m_caster.GetGUID();
empowerSetStage.Stage = m_empower.CompletedStages;
m_caster.SendMessageToSet(empowerSetStage, true);
m_empower.CompletedStages = completedStages;
m_caster.ToUnit().SetSpellEmpowerStage((sbyte)completedStages);
CallScriptEmpowerStageCompletedHandlers(completedStages);
}
if (CanReleaseEmpowerSpell())
{
m_empower.IsReleased = true;
m_timer = 0;
CallScriptEmpowerCompletedHandlers(m_empower.CompletedStages);
}
}
if (m_timer == 0)
{
SendChannelUpdate(0);
SendChannelUpdate(0, SpellCastResult.SpellCastOk);
Finish();
// We call the hook here instead of in Spell::finish because we only want to call it for completed channeling. Everything else is handled by interrupts
@@ -3520,6 +3582,9 @@ namespace Game.Spells
if (m_customArg is TraitConfig)
m_caster.ToPlayer().SendPacket(new TraitConfigCommitFailed((m_customArg as TraitConfig).ID));
if (IsEmpowerSpell())
unitCaster.GetSpellHistory().ResetCooldown(m_spellInfo.Id, true);
return;
}
@@ -3549,6 +3614,14 @@ namespace Game.Spells
// Stop Attack for some spells
if (m_spellInfo.HasAttribute(SpellAttr0.CancelsAutoAttackCombat))
unitCaster.AttackStop();
if (IsEmpowerSpell())
{
// Empower spells trigger gcd at the end of cast instead of at start
SpellInfo gcd = Global.SpellMgr.GetSpellInfo(SpellConst.EmpowerHardcodedGCD, Difficulty.None);
if (gcd != null)
unitCaster.GetSpellHistory().AddGlobalCooldown(gcd, TimeSpan.FromMilliseconds(gcd.StartRecoveryTime));
}
}
static void FillSpellCastFailedArgs<T>(T packet, ObjectGuid castId, SpellInfo spellInfo, SpellCastResult result, SpellCustomErrors customError, int? param1, int? param2, Player caster) where T : CastFailedBase
@@ -4354,7 +4427,7 @@ namespace Game.Spells
m_caster.SendMessageToSet(failedPacket, true);
}
public void SendChannelUpdate(uint time)
public void SendChannelUpdate(uint time, SpellCastResult? result = null)
{
// GameObjects don't channel
Unit unitCaster = m_caster.ToUnit();
@@ -4366,12 +4439,31 @@ namespace Game.Spells
unitCaster.ClearChannelObjects();
unitCaster.SetChannelSpellId(0);
unitCaster.SetChannelVisual(new SpellCastVisualField());
unitCaster.SetSpellEmpowerStage(-1);
}
SpellChannelUpdate spellChannelUpdate = new();
spellChannelUpdate.CasterGUID = unitCaster.GetGUID();
spellChannelUpdate.TimeRemaining = (int)time;
unitCaster.SendMessageToSet(spellChannelUpdate, true);
if (IsEmpowerSpell())
{
SpellEmpowerUpdate spellEmpowerUpdate = new();
spellEmpowerUpdate.CastID = m_castId;
spellEmpowerUpdate.CasterGUID = unitCaster.GetGUID();
spellEmpowerUpdate.TimeRemaining = TimeSpan.FromMilliseconds(time);
if (time > 0)
spellEmpowerUpdate.StageDurations.AddRange(m_empower.StageDurations);
else if (result.HasValue && result != SpellCastResult.SpellCastOk)
spellEmpowerUpdate.Status = 1;
else
spellEmpowerUpdate.Status = 4;
unitCaster.SendMessageToSet(spellEmpowerUpdate, true);
}
else
{
SpellChannelUpdate spellChannelUpdate = new();
spellChannelUpdate.CasterGUID = unitCaster.GetGUID();
spellChannelUpdate.TimeRemaining = (int)time;
unitCaster.SendMessageToSet(spellChannelUpdate, true);
}
}
void SendChannelStart(uint duration)
@@ -4427,36 +4519,62 @@ namespace Game.Spells
unitCaster.SetChannelSpellId(m_spellInfo.Id);
unitCaster.SetChannelVisual(m_SpellVisual);
SpellChannelStart spellChannelStart = new();
spellChannelStart.CasterGUID = unitCaster.GetGUID();
spellChannelStart.SpellID = (int)m_spellInfo.Id;
spellChannelStart.Visual = m_SpellVisual;
spellChannelStart.ChannelDuration = duration;
uint schoolImmunityMask = unitCaster.GetSchoolImmunityMask();
ulong mechanicImmunityMask = unitCaster.GetMechanicImmunityMask();
if (schoolImmunityMask != 0 || mechanicImmunityMask != 0)
void setImmunitiesAndHealPrediction(ref SpellChannelStartInterruptImmunities? interruptImmunities, ref SpellTargetedHealPrediction? healPrediction)
{
SpellChannelStartInterruptImmunities interruptImmunities = new();
interruptImmunities.SchoolImmunities = (int)schoolImmunityMask;
interruptImmunities.Immunities = (int)mechanicImmunityMask;
uint schoolImmunityMask = unitCaster.GetSchoolImmunityMask();
ulong mechanicImmunityMask = unitCaster.GetMechanicImmunityMask();
spellChannelStart.InterruptImmunities = interruptImmunities;
}
if (schoolImmunityMask != 0 || mechanicImmunityMask != 0)
{
SpellChannelStartInterruptImmunities immunities = new();
immunities.SchoolImmunities = (int)schoolImmunityMask;
immunities.Immunities = (int)mechanicImmunityMask;
if (m_spellInfo.HasAttribute(SpellAttr8.HealPrediction) && m_caster.IsUnit())
interruptImmunities = immunities;
}
if (m_spellInfo.HasAttribute(SpellAttr8.HealPrediction) && m_caster.IsUnit())
{
SpellTargetedHealPrediction prediction = new();
if (unitCaster.m_unitData.ChannelObjects.Size() == 1 && unitCaster.m_unitData.ChannelObjects[0].IsUnit())
prediction.TargetGUID = unitCaster.m_unitData.ChannelObjects[0];
UpdateSpellHealPrediction(prediction.Predict, true);
healPrediction = prediction;
}
};
if (IsEmpowerSpell())
{
SpellTargetedHealPrediction healPrediction = new();
if (unitCaster.m_unitData.ChannelObjects.Size() == 1 && unitCaster.m_unitData.ChannelObjects[0].IsUnit())
healPrediction.TargetGUID = unitCaster.m_unitData.ChannelObjects[0];
unitCaster.SetSpellEmpowerStage(0);
UpdateSpellHealPrediction(healPrediction.Predict, true);
SpellEmpowerStart spellEmpowerStart = new();
spellEmpowerStart.CastID = m_castId;
spellEmpowerStart.CasterGUID = unitCaster.GetGUID();
spellEmpowerStart.SpellID = (int)m_spellInfo.Id;
spellEmpowerStart.Visual = m_SpellVisual;
spellEmpowerStart.EmpowerDuration = new TimeSpan(m_empower.StageDurations.Sum(r => r.Ticks));
spellEmpowerStart.MinHoldTime = m_empower.MinHoldTime;
spellEmpowerStart.HoldAtMaxTime = TimeSpan.FromMilliseconds(SpellConst.EmpowerHoldTimeAtMax);
spellEmpowerStart.Targets.AddRange(unitCaster.m_unitData.ChannelObjects._values);
spellEmpowerStart.StageDurations.AddRange(m_empower.StageDurations);
setImmunitiesAndHealPrediction(ref spellEmpowerStart.InterruptImmunities, ref spellEmpowerStart.HealPrediction);
spellChannelStart.HealPrediction = healPrediction;
unitCaster.SendMessageToSet(spellEmpowerStart, true);
}
else
{
SpellChannelStart spellChannelStart = new();
spellChannelStart.CasterGUID = unitCaster.GetGUID();
spellChannelStart.SpellID = (int)m_spellInfo.Id;
spellChannelStart.Visual = m_SpellVisual;
spellChannelStart.ChannelDuration = duration;
setImmunitiesAndHealPrediction(ref spellChannelStart.InterruptImmunities, ref spellChannelStart.HealPrediction);
unitCaster.SendMessageToSet(spellChannelStart, true);
unitCaster.SendMessageToSet(spellChannelStart, true);
}
}
void SendResurrectRequest(Player target)
@@ -7332,6 +7450,25 @@ namespace Game.Spells
return m_spellInfo.IsPositive() && (m_triggeredByAuraSpell == null || m_triggeredByAuraSpell.IsPositive());
}
public bool IsEmpowerSpell() { return m_empower != null; }
public void SetEmpowerReleasedByClient(bool release)
{
m_empower.IsReleasedByClient = release;
}
public bool CanReleaseEmpowerSpell()
{
if (m_empower.IsReleased)
return false;
if (!m_empower.IsReleasedByClient && m_timer != 0)
return false;
TimeSpan passedTime = TimeSpan.FromMilliseconds(m_channeledDuration - m_timer);
return passedTime >= m_empower.MinHoldTime;
}
bool IsNeedSendToClient()
{
return m_SpellVisual.SpellXSpellVisualID != 0 || m_SpellVisual.ScriptVisualID != 0 || m_spellInfo.IsChanneled() ||
@@ -7936,6 +8073,30 @@ namespace Game.Spells
return source.IsWithinLOS(target.GetPositionX(), target.GetPositionY(), target.GetPositionZ(), LineOfSightChecks.All, ignoreFlags);
}
void CallScriptEmpowerStageCompletedHandlers(int completedStagesCount)
{
foreach (SpellScript script in m_loadedScripts)
{
script._PrepareScriptCall(SpellScriptHookType.EmpowerStageCompleted);
foreach (var empowerStageCompleted in script.OnEmpowerStageCompleted)
empowerStageCompleted.Call(completedStagesCount);
script._FinishScriptCall();
}
}
void CallScriptEmpowerCompletedHandlers(int completedStagesCount)
{
foreach (SpellScript script in m_loadedScripts)
{
script._PrepareScriptCall(SpellScriptHookType.EmpowerCompleted);
foreach (var empowerStageCompleted in script.OnEmpowerCompleted)
empowerStageCompleted.Call(completedStagesCount);
script._FinishScriptCall();
}
}
bool CheckScriptEffectImplicitTargets(uint effIndex, uint effIndexToCheck)
{
// Skip if there are not any script
@@ -8288,6 +8449,8 @@ namespace Game.Spells
byte m_runesState;
byte m_delayAtDamageCount;
EmpowerData m_empower;
// Delayed spells system
ulong m_delayStart; // time of spell delay start, filled by event handler, zero = just started
ulong m_delayMoment; // moment of next delay call, used internally
@@ -9724,4 +9887,13 @@ namespace Game.Spells
return (_storage[1] & (int)procFlags) != 0;
}
}
public class EmpowerData
{
public TimeSpan MinHoldTime;
public List<TimeSpan> StageDurations = new();
public int CompletedStages = 0;
public bool IsReleasedByClient;
public bool IsReleased;
}
}