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Core/Scripts: Added damage and healing calculation hook to spell and aura scripts allowing to override base damage amount, flat value mod and percent value mod separately

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Port From (https://github.com/TrinityCore/TrinityCore/commit/9cdf3530f41e18fc815e7b164e40c01a18c3d757)
This commit is contained in:
hondacrx
2023-09-13 18:18:29 -04:00
parent 44e79ec8ea
commit d7c2fa52f4
10 changed files with 248 additions and 107 deletions
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Source/Game/Scripting/SpellScript.cs
+93 -14
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@@ -164,6 +164,7 @@ namespace Game.Scripting
// internal use classes & functions
// DO NOT OVERRIDE THESE IN SCRIPTS
public delegate SpellCastResult SpellCheckCastFnType();
public delegate void DamageAndHealingCalcFnType(Unit victim, ref int damageOrHealing, ref int flatMod, ref float pctMod);
public delegate void SpellOnResistAbsorbCalculateFnType(DamageInfo damageInfo, ref uint resistAmount, ref int absorbAmount);
public delegate void SpellEffectFnType(uint index);
public delegate void SpellBeforeHitFnType(SpellMissInfo missInfo);
@@ -201,6 +202,21 @@ namespace Game.Scripting
}
}
public class DamageAndHealingCalcHandler
{
DamageAndHealingCalcFnType _callImpl;
public DamageAndHealingCalcHandler(DamageAndHealingCalcFnType handler)
{
_callImpl = handler;
}
public void Call(Unit victim, ref int damageOrHealing, ref int flatMod, ref float pctMod)
{
_callImpl(victim, ref damageOrHealing, ref flatMod, ref pctMod);
}
}
public class OnCalculateResistAbsorbHandler
{
SpellOnResistAbsorbCalculateFnType _callImpl;
@@ -435,6 +451,27 @@ namespace Game.Scripting
if (eff.GetAffectedEffectsMask(entry) == 0)
Log.outError(LogFilter.Scripts, "Spell `{0}` Effect `{1}` of script `{2}` did not match dbc effect data - handler bound to hook `OnObjectTargetSelect` of SpellScript won't be executed", entry.Id, eff.ToString(), m_scriptName);
if (!CalcDamage.Empty())
{
if (!entry.HasEffect(SpellEffectName.SchoolDamage)
&& !entry.HasEffect(SpellEffectName.PowerDrain)
&& !entry.HasEffect(SpellEffectName.HealthLeech)
&& !entry.HasEffect(SpellEffectName.WeaponDamage)
&& !entry.HasEffect(SpellEffectName.WeaponDamageNoSchool)
&& !entry.HasEffect(SpellEffectName.NormalizedWeaponDmg)
&& !entry.HasEffect(SpellEffectName.WeaponPercentDamage))
Log.outError(LogFilter.Scripts, $"Spell `{entry.Id}` script `{m_scriptName}` does not have a damage effect - handler bound to hook `CalcDamage` of SpellScript won't be executed");
}
if (!CalcHealing.Empty())
{
if (!entry.HasEffect(SpellEffectName.Heal)
&& !entry.HasEffect(SpellEffectName.HealPct)
&& !entry.HasEffect(SpellEffectName.HealMechanical)
&& !entry.HasEffect(SpellEffectName.HealthLeech))
Log.outError(LogFilter.Scripts, $"Spell `{entry.Id}` script `{m_scriptName}` does not have a damage effect - handler bound to hook `CalcHealing` of SpellScript won't be executed");
}
return base._Validate(entry);
}
@@ -478,7 +515,9 @@ namespace Game.Scripting
|| IsInEffectHook()
|| m_currentScriptState == (byte)SpellScriptHookType.OnCast
|| m_currentScriptState == (byte)SpellScriptHookType.AfterCast
|| m_currentScriptState == (byte)SpellScriptHookType.CalcCritChance;
|| m_currentScriptState == (byte)SpellScriptHookType.CalcCritChance
|| m_currentScriptState == (byte)SpellScriptHookType.CalcDamage
|| m_currentScriptState == (byte)SpellScriptHookType.CalcHealing;
}
public bool IsInTargetHook()
@@ -556,20 +595,32 @@ namespace Game.Scripting
// where function is void function(SpellDestination target)
public List<DestinationTargetSelectHandler> OnDestinationTargetSelect = new();
// where function is void function(Unit victim, ref int damage, ref int flatMod, ref float pctMod)
public List<DamageAndHealingCalcHandler> CalcDamage = new();
// where function is void function(Unit victim, ref int healing, ref int flatMod, ref float pctMod)
public List<DamageAndHealingCalcHandler> CalcHealing = new();
// hooks are executed in following order, at specified event of spell:
// 1. BeforeCast - executed when spell preparation is finished (when cast bar becomes full) before cast is handled
// 2. OnCheckCast - allows to override result of CheckCast function
// 3a. OnObjectAreaTargetSelect - executed just before adding selected targets to final target list (for area targets)
// 3b. OnObjectTargetSelect - executed just before adding selected target to final target list (for single unit targets)
// 4. OnCast - executed just before spell is launched (creates missile) or executed
// 5. AfterCast - executed after spell missile is launched and immediate spell actions are done
// 6. OnEffectLaunch - executed just before specified effect handler call - when spell missile is launched
// 7. OnEffectLaunchTarget - executed just before specified effect handler call - when spell missile is launched - called for each target from spell target map
// 8. OnEffectHit - executed just before specified effect handler call - when spell missile hits dest
// 9. BeforeHit - executed just before spell hits a target - called for each target from spell target map
// 10. OnEffectHitTarget - executed just before specified effect handler call - called for each target from spell target map
// 11. OnHit - executed just before spell deals damage and procs auras - when spell hits target - called for each target from spell target map
// 12. AfterHit - executed just after spell finishes all it's jobs for target - called for each target from spell target map
// 1. OnPrecast - executed during spell preparation (before cast bar starts)
// 2. BeforeCast - executed when spell preparation is finished (when cast bar becomes full) before cast is handled
// 3. OnCheckCast - allows to override result of CheckCast function
// 4a. OnObjectAreaTargetSelect - executed just before adding selected targets to final target list (for area targets)
// 4b. OnObjectTargetSelect - executed just before adding selected target to final target list (for single unit targets)
// 4c. OnDestinationTargetSelect - executed just before adding selected target to final target list (for destination targets)
// 5. OnCast - executed just before spell is launched (creates missile) or executed
// 6. AfterCast - executed after spell missile is launched and immediate spell actions are done
// 7. OnEffectLaunch - executed just before specified effect handler call - when spell missile is launched
// 8. OnCalcCritChance - executed just after specified effect handler call - when spell missile is launched - called for each target from spell target map
// 9. OnEffectLaunchTarget - executed just before specified effect handler call - when spell missile is launched - called for each target from spell target map
// 10a. CalcDamage - executed during specified effect handler call - when spell missile is launched - called for each target from spell target map
// 10b. CalcHealing - executed during specified effect handler call - when spell missile is launched - called for each target from spell target map
// 11. OnCalculateResistAbsorb - executed when damage resist/absorbs is calculated - before spell hit target
// 12. OnEffectHit - executed just before specified effect handler call - when spell missile hits dest
// 13. BeforeHit - executed just before spell hits a target - called for each target from spell target map
// 14. OnEffectHitTarget - executed just before specified effect handler call - called for each target from spell target map
// 15. OnHit - executed just before spell deals damage and procs auras - when spell hits target - called for each target from spell target map
// 16. AfterHit - executed just after spell finishes all it's jobs for target - called for each target from spell target map
//
// methods allowing interaction with Spell object
@@ -1041,6 +1092,7 @@ namespace Game.Scripting
// DO NOT OVERRIDE THESE IN SCRIPTS
public delegate bool AuraCheckAreaTargetDelegate(Unit target);
public delegate void AuraDispelDelegate(DispelInfo dispelInfo);
public delegate void AuraEffectDamageAndHealingCalcFnType(AuraEffect aurEff, Unit victim, ref int damageOrHealing, ref int flatMod, ref float pctMod);
public delegate void AuraEffectApplicationModeDelegate(AuraEffect aura, AuraEffectHandleModes auraMode);
public delegate void AuraEffectPeriodicDelegate(AuraEffect aura);
public delegate void AuraEffectUpdatePeriodicDelegate(AuraEffect aura);
@@ -1196,6 +1248,21 @@ namespace Game.Scripting
}
}
public class EffectCalcDamageAndHealingHandler : EffectBase
{
AuraEffectDamageAndHealingCalcFnType _callImpl;
public EffectCalcDamageAndHealingHandler(AuraEffectDamageAndHealingCalcFnType handler, byte effIndex, AuraType auraType) : base(effIndex, auraType)
{
_callImpl = handler;
}
public void Call(AuraEffect aurEff, Unit victim, ref int damageOrHealing, ref int flatMod, ref float pctMod)
{
_callImpl(aurEff, victim, ref damageOrHealing, ref flatMod, ref pctMod);
}
}
public class EffectApplyHandler : EffectBase
{
AuraEffectApplicationModeDelegate _callImpl;
@@ -1410,6 +1477,10 @@ namespace Game.Scripting
if (eff.GetAffectedEffectsMask(entry) == 0)
Log.outError(LogFilter.Scripts, $"Spell `{entry.Id}` Effect `{eff}` of script `{m_scriptName}` did not match dbc effect data - handler bound to hook `DoEffectCalcCritChance` of AuraScript won't be executed");
foreach (var hook in DoEffectCalcDamageAndHealing)
if (hook.GetAffectedEffectsMask(entry) == 0)
Log.outError(LogFilter.Scripts, $"Spell `{entry.Id}` Effect `{hook}` of script `{m_scriptName}` did not match dbc effect data - handler bound to hook `DoEffectCalcDamageAndHealing` of AuraScript won't be executed");
foreach (var eff in OnEffectAbsorb)
if (eff.GetAffectedEffectsMask(entry) == 0)
Log.outError(LogFilter.Scripts, "Spell `{0}` Effect `{1}` of script `{2}` did not match dbc effect data - handler bound to hook `OnEffectAbsorb` of AuraScript won't be executed", entry.Id, eff.ToString(), m_scriptName);
@@ -1580,6 +1651,12 @@ namespace Game.Scripting
// where function is: void function (AuraEffect const* aurEff, Unit* victim, float& critChance);
public List<EffectCalcCritChanceHandler> DoEffectCalcCritChance = new();
// executed when aura effect calculates damage or healing for dots and hots
// example: DoEffectCalcDamageAndHealing += AuraEffectCalcDamageFn(class::function, EffectIndexSpecifier, EffectAuraNameSpecifier);
// example: DoEffectCalcDamageAndHealing += AuraEffectCalcHealingFn(class::function, EffectIndexSpecifier, EffectAuraNameSpecifier);
// where function is: void(AuraEffect aurEff, Unit victim, ref int damageOrHealing, ref int flatMod, ref float pctMod);
public List<EffectCalcDamageAndHealingHandler> DoEffectCalcDamageAndHealing = new();
// executed when absorb aura effect is going to reduce damage
// example: OnEffectAbsorb += AuraEffectAbsorbFn(class.function, EffectIndexSpecifier);
// where function is: void function (AuraEffect aurEff, DamageInfo& dmgInfo, uint& absorbAmount);
@@ -1783,6 +1860,8 @@ namespace Game.Scripting
case AuraScriptHookType.EffectAfterApply:
case AuraScriptHookType.EffectAfterRemove:
case AuraScriptHookType.EffectPeriodic:
case AuraScriptHookType.EffectCalcCritChance:
case AuraScriptHookType.EffectCalcDamageAndHealing:
case AuraScriptHookType.EffectAbsorb:
case AuraScriptHookType.EffectAfterAbsorb:
case AuraScriptHookType.EffectManaShield: