Core/Unit: Move spell specific code from Unit::CalcAbsorbResist to AuraScripts.

11 files changed, 680 insertions, 41 deletions

diff --git a/src/server/scripts/Examples/example_spell.cpp b/src/server/scripts/Examples/example_spell.cpp
index 8d44cb92a4d..2a9d9a605c4 100644
--- a/src/server/scripts/Examples/example_spell.cpp
+++ b/src/server/scripts/Examples/example_spell.cpp
@@ -285,14 +285,6 @@ class spell_ex_absorb_aura : public SpellScriptLoader
                 SPELL_TRIGGERED = 18282
             };
 
-            bool Validate(SpellEntry const * /*spellEntry*/)
-            {
-                // check if spellid exists in dbc, we will trigger it later
-                if (!sSpellStore.LookupEntry(SPELL_TRIGGERED))
-                    return false;
-                return true;
-            }
-
             void HandleOnEffectAbsorb(AuraEffect * aurEff, DamageInfo & dmgInfo, uint32 & absorbAmount)
             {
                 sLog->outString("Our aura is now absorbing damage done to us!");
@@ -300,6 +292,11 @@ class spell_ex_absorb_aura : public SpellScriptLoader
                 absorbAmount = dmgInfo.GetDamage();
             }
 
+            void HandleAfterEffectAbsorb(AuraEffect * aurEff, DamageInfo & dmgInfo, uint32 & absorbAmount)
+            {
+                sLog->outString("Our aura has absorbed %u damage!", absorbAmount);
+            }
+
             /*void HandleAfterAbsorb(DamageInfo & dmgInfo)
             {
                 sLog->outString("Our auras have just absorbed damage done to us!");
@@ -309,6 +306,7 @@ class spell_ex_absorb_aura : public SpellScriptLoader
             void Register()
             {
                 OnEffectAbsorb += AuraEffectAbsorbFn(spell_ex_absorb_auraAuraScript::HandleOnEffectAbsorb, EFFECT_0);
+                AfterEffectAbsorb += AuraEffectAbsorbFn(spell_ex_absorb_auraAuraScript::HandleAfterEffectAbsorb, EFFECT_0);
                 //AfterAbsorb += AuraAbsorbFn(spell_ex_absorb_auraAuraScript::HandleAfterAbsorb);
             }
         };
diff --git a/src/server/scripts/Outland/BlackTemple/illidari_council.cpp b/src/server/scripts/Outland/BlackTemple/illidari_council.cpp
index efcc8285984..9dc832d3056 100644
--- a/src/server/scripts/Outland/BlackTemple/illidari_council.cpp
+++ b/src/server/scripts/Outland/BlackTemple/illidari_council.cpp
@@ -89,6 +89,7 @@ static CouncilYells CouncilEnrage[]=
 #define SPELL_EMPOWERED_SMITE      41471
 #define SPELL_CIRCLE_OF_HEALING    41455
 #define SPELL_REFLECTIVE_SHIELD    41475
+#define SPELL_REFLECTIVE_SHIELD_T  33619
 #define SPELL_DIVINE_WRATH         41472
 #define SPELL_HEAL_VISUAL          24171
 
@@ -878,14 +879,43 @@ public:
             }
         }
     };
-
 };
 
+// SPELL_REFLECTIVE_SHIELD
+class spell_boss_lady_malande_shield : public SpellScriptLoader
+{
+public:
+    spell_boss_lady_malande_shield() : SpellScriptLoader("spell_boss_lady_malande_shield") { }
 
+    class spell_boss_lady_malande_shield_AuraScript : public AuraScript
+    {
+        PrepareAuraScript(spell_boss_lady_malande_shield_AuraScript);
 
+        bool Validate(SpellEntry const * /*spellEntry*/)
+        {
+            return sSpellStore.LookupEntry(SPELL_REFLECTIVE_SHIELD_T);
+        }
 
+        void Trigger(AuraEffect * aurEff, DamageInfo & dmgInfo, uint32 & absorbAmount)
+        {
+            Unit * target = GetTarget();
+            if (dmgInfo.GetAttacker() == target)
+                return;
+            int32 bp = absorbAmount / 2;
+            target->CastCustomSpell(dmgInfo.GetAttacker(), SPELL_REFLECTIVE_SHIELD_T, &bp, NULL, NULL, true, NULL, aurEff);
+        }
 
+        void Register()
+        {
+             AfterEffectAbsorb += AuraEffectAbsorbFn(spell_boss_lady_malande_shield_AuraScript::Trigger, EFFECT_0);
+        }
+    };
 
+    AuraScript *GetAuraScript() const
+    {
+        return new spell_boss_lady_malande_shield_AuraScript();
+    }
+};
 
 void AddSC_boss_illidari_council()
 {
@@ -895,4 +925,5 @@ void AddSC_boss_illidari_council()
     new boss_lady_malande();
     new boss_veras_darkshadow();
     new boss_high_nethermancer_zerevor();
+    new spell_boss_lady_malande_shield();
 }
diff --git a/src/server/scripts/PrecompiledHeaders/ScriptPCH.h b/src/server/scripts/PrecompiledHeaders/ScriptPCH.h
index 2cba3171202..1cd25309055 100644
--- a/src/server/scripts/PrecompiledHeaders/ScriptPCH.h
+++ b/src/server/scripts/PrecompiledHeaders/ScriptPCH.h
@@ -23,6 +23,7 @@
 #include "DBCStores.h"
 #include "ObjectMgr.h"
 #include "SpellScript.h"
+#include "SpellAuraEffects.h"
 
 #ifdef _WIN32
 #include <windows.h>
diff --git a/src/server/scripts/Spells/spell_dk.cpp b/src/server/scripts/Spells/spell_dk.cpp
index 706853db0ae..35656dd9af4 100644
--- a/src/server/scripts/Spells/spell_dk.cpp
+++ b/src/server/scripts/Spells/spell_dk.cpp
@@ -32,6 +32,165 @@ enum DeathKnightSpells
     DK_SPELL_SCOURGE_STRIKE_TRIGGERED       = 70890,
 };
 
+// 50462 - Anti-Magic Shell (on raid member)
+class spell_dk_anti_magic_shell_raid : public SpellScriptLoader
+{
+public:
+    spell_dk_anti_magic_shell_raid() : SpellScriptLoader("spell_dk_anti_magic_shell_raid") { }
+
+    class spell_dk_anti_magic_shell_raid_AuraScript : public AuraScript
+    {
+        PrepareAuraScript(spell_dk_anti_magic_shell_raid_AuraScript);
+
+        uint32 absorbPct;
+
+        bool Load()
+        {
+            absorbPct = SpellMgr::CalculateSpellEffectAmount(GetSpellProto(), EFFECT_0, GetCaster());
+            return true;
+        }
+
+        void CalculateAmount(AuraEffect const * /*aurEff*/, int32 & amount, bool & canBeRecalculated)
+        {
+            // TODO: this should absorb limited amount of damage, but no info on calculation formula
+            amount = -1;
+        }
+
+        void Absorb(AuraEffect * /*aurEff*/, DamageInfo & dmgInfo, uint32 & absorbAmount)
+        {
+             absorbAmount = CalculatePctN(dmgInfo.GetDamage(), absorbPct);
+        }
+
+        void Register()
+        {
+             DoEffectCalcAmount += AuraEffectCalcAmountFn(spell_dk_anti_magic_shell_raid_AuraScript::CalculateAmount, EFFECT_0, SPELL_AURA_SCHOOL_ABSORB);
+             OnEffectAbsorb += AuraEffectAbsorbFn(spell_dk_anti_magic_shell_raid_AuraScript::Absorb, EFFECT_0);
+        }
+    };
+
+    AuraScript *GetAuraScript() const
+    {
+        return new spell_dk_anti_magic_shell_raid_AuraScript();
+    }
+};
+
+// 48707 - Anti-Magic Shell (on self)
+class spell_dk_anti_magic_shell_self : public SpellScriptLoader
+{
+public:
+    spell_dk_anti_magic_shell_self() : SpellScriptLoader("spell_dk_anti_magic_shell_self") { }
+
+    class spell_dk_anti_magic_shell_self_AuraScript : public AuraScript
+    {
+        PrepareAuraScript(spell_dk_anti_magic_shell_self_AuraScript);
+
+        enum Spells
+        {
+            DK_SPELL_RUNIC_POWER_ENERGIZE = 49088,
+        };
+
+        uint32 absorbPct, hpPct;
+        bool Load()
+        {
+            absorbPct = SpellMgr::CalculateSpellEffectAmount(GetSpellProto(), EFFECT_0, GetCaster());
+            hpPct = SpellMgr::CalculateSpellEffectAmount(GetSpellProto(), EFFECT_1, GetCaster());
+            return true;
+        }
+
+        bool Validate(SpellEntry const * /*spellEntry*/)
+        {
+            return sSpellStore.LookupEntry(DK_SPELL_RUNIC_POWER_ENERGIZE);
+        }
+
+        void CalculateAmount(AuraEffect const * /*aurEff*/, int32 & amount, bool & canBeRecalculated)
+        {
+            // Set absorbtion amount to unlimited
+            amount = -1;
+        }
+
+        void Absorb(AuraEffect * aurEff, DamageInfo & dmgInfo, uint32 & absorbAmount)
+        {
+            absorbAmount = std::min(CalculatePctN(dmgInfo.GetDamage(), absorbPct), GetTarget()->CountPctFromMaxHealth(hpPct));
+        }
+
+        void Trigger(AuraEffect * aurEff, DamageInfo & dmgInfo, uint32 & absorbAmount)
+        {
+            Unit * target = GetTarget();
+            // damage absorbed by Anti-Magic Shell energizes the DK with additional runic power.
+            // This, if I'm not mistaken, shows that we get back ~20% of the absorbed damage as runic power.
+            int32 bp = absorbAmount * 2 / 10;
+            target->CastCustomSpell(target, DK_SPELL_RUNIC_POWER_ENERGIZE, &bp, NULL, NULL, true, NULL, aurEff);
+        }
+
+        void Register()
+        {
+             DoEffectCalcAmount += AuraEffectCalcAmountFn(spell_dk_anti_magic_shell_self_AuraScript::CalculateAmount, EFFECT_0, SPELL_AURA_SCHOOL_ABSORB);
+             OnEffectAbsorb += AuraEffectAbsorbFn(spell_dk_anti_magic_shell_self_AuraScript::Absorb, EFFECT_0);
+             AfterEffectAbsorb += AuraEffectAbsorbFn(spell_dk_anti_magic_shell_self_AuraScript::Trigger, EFFECT_0);
+        }
+    };
+
+    AuraScript *GetAuraScript() const
+    {
+        return new spell_dk_anti_magic_shell_self_AuraScript();
+    }
+};
+
+// 50461 - Anti-Magic Zone
+class spell_dk_anti_magic_zone : public SpellScriptLoader
+{
+public:
+    spell_dk_anti_magic_zone() : SpellScriptLoader("spell_dk_anti_magic_zone") { }
+
+    class spell_dk_anti_magic_zone_AuraScript : public AuraScript
+    {
+        PrepareAuraScript(spell_dk_anti_magic_zone_AuraScript);
+
+        enum Spells
+        {
+            DK_SPELL_ANTI_MAGIC_SHELL_TALENT = 51052,
+        };
+
+        uint32 absorbPct;
+
+        bool Load()
+        {
+            absorbPct = SpellMgr::CalculateSpellEffectAmount(GetSpellProto(), EFFECT_0, GetCaster());
+            return true;
+        }
+
+        bool Validate(SpellEntry const * /*spellEntry*/)
+        {
+            return sSpellStore.LookupEntry(DK_SPELL_ANTI_MAGIC_SHELL_TALENT);
+        }
+
+        void CalculateAmount(AuraEffect const * /*aurEff*/, int32 & amount, bool & canBeRecalculated)
+        {
+            SpellEntry const * talentSpell = sSpellStore.LookupEntry(DK_SPELL_ANTI_MAGIC_SHELL_TALENT);
+            amount = SpellMgr::CalculateSpellEffectAmount(talentSpell, EFFECT_0, GetCaster());
+            // assume caster is a player here
+            if (Unit * caster = GetCaster())
+                 amount += 2 * caster->ToPlayer()->GetTotalAttackPowerValue(BASE_ATTACK);
+        }
+
+        void Absorb(AuraEffect * /*aurEff*/, DamageInfo & dmgInfo, uint32 & absorbAmount)
+        {
+             absorbAmount = CalculatePctN(dmgInfo.GetDamage(), absorbPct);
+        }
+
+        void Register()
+        {
+             DoEffectCalcAmount += AuraEffectCalcAmountFn(spell_dk_anti_magic_zone_AuraScript::CalculateAmount, EFFECT_0, SPELL_AURA_SCHOOL_ABSORB);
+             OnEffectAbsorb += AuraEffectAbsorbFn(spell_dk_anti_magic_zone_AuraScript::Absorb, EFFECT_0);
+        }
+    };
+
+    AuraScript *GetAuraScript() const
+    {
+        return new spell_dk_anti_magic_zone_AuraScript();
+    }
+};
+
 // 49158 Corpse Explosion (51325, 51326, 51327, 51328)
 class spell_dk_corpse_explosion : public SpellScriptLoader
 {
@@ -168,9 +327,15 @@ public:
         PrepareAuraScript(spell_dk_spell_deflection_AuraScript);
 
         uint32 absorbPct;
+
+        bool Load()
+        {
+            absorbPct = SpellMgr::CalculateSpellEffectAmount(GetSpellProto(), EFFECT_0, GetCaster());
+            return true;
+        }
+
         void CalculateAmount(AuraEffect const * /*aurEff*/, int32 & amount, bool & canBeRecalculated)
         {
-            absorbPct = amount;
             // Set absorbtion amount to unlimited
             amount = -1;
         }
@@ -195,11 +360,83 @@ public:
     }
 };
 
+// 52284 - Will of the Necropolis
+class spell_dk_will_of_the_necropolis : public SpellScriptLoader
+{
+public:
+    spell_dk_will_of_the_necropolis() : SpellScriptLoader("spell_dk_will_of_the_necropolis") { }
+
+    class spell_dk_will_of_the_necropolis_AuraScript : public AuraScript
+    {
+        PrepareAuraScript(spell_dk_will_of_the_necropolis_AuraScript);
+
+        enum Spells
+        {
+            DK_SPELL_WILL_OF_THE_NECROPOLIS_TALENT_R1 = 49189,
+            DK_SPELL_WILL_OF_THE_NECROPOLIS_AURA_R1   = 52284,
+        };
+        bool Validate(SpellEntry const *spellEntry)
+        {
+            // can't use other spell than will of the necropolis due to spell_ranks dependency
+            if (sSpellMgr->GetFirstSpellInChain(DK_SPELL_WILL_OF_THE_NECROPOLIS_AURA_R1) != sSpellMgr->GetFirstSpellInChain(spellEntry->Id))
+                return false;
+
+            uint8 rank = sSpellMgr->GetSpellRank(spellEntry->Id);
+            if (!sSpellMgr->GetSpellWithRank(DK_SPELL_WILL_OF_THE_NECROPOLIS_TALENT_R1, rank, true))
+                return false;
+
+            return true;
+        }
+
+        uint32 absorbPct;
+
+        bool Load()
+        {
+            absorbPct = SpellMgr::CalculateSpellEffectAmount(GetSpellProto(), EFFECT_0, GetCaster());
+            return true;
+        }
+
+        void CalculateAmount(AuraEffect const * /*aurEff*/, int32 & amount, bool & canBeRecalculated)
+        {
+            // Set absorbtion amount to unlimited
+            amount = -1;
+        }
+
+        void Absorb(AuraEffect * /*aurEff*/, DamageInfo & dmgInfo, uint32 & absorbAmount)
+        {
+            // min pct of hp is stored in effect 0 of talent spell
+            uint32 rank = sSpellMgr->GetSpellRank(GetSpellProto()->Id);
+            SpellEntry const * talentProto = sSpellStore.LookupEntry(sSpellMgr->GetSpellWithRank(DK_SPELL_WILL_OF_THE_NECROPOLIS_TALENT_R1, rank));
+
+            int32 remainingHp = int32(GetTarget()->GetHealth() - dmgInfo.GetDamage());
+            int32 minHp = int32(GetTarget()->CountPctFromMaxHealth(SpellMgr::CalculateSpellEffectAmount(talentProto, EFFECT_0, GetCaster())));
+            
+            // Damage that would take you below [effect0] health or taken while you are at [effect0]
+            if (remainingHp < minHp)
+                absorbAmount = CalculatePctN(dmgInfo.GetDamage(), absorbPct);
+        }
+
+        void Register()
+        {
+             DoEffectCalcAmount += AuraEffectCalcAmountFn(spell_dk_will_of_the_necropolis_AuraScript::CalculateAmount, EFFECT_0, SPELL_AURA_SCHOOL_ABSORB);
+             OnEffectAbsorb += AuraEffectAbsorbFn(spell_dk_will_of_the_necropolis_AuraScript::Absorb, EFFECT_0);
+        }
+    };
+
+    AuraScript *GetAuraScript() const
+    {
+        return new spell_dk_will_of_the_necropolis_AuraScript();
+    }
+};
 
 void AddSC_deathknight_spell_scripts()
 {
+    new spell_dk_anti_magic_shell_raid();
+    new spell_dk_anti_magic_shell_self();
+    new spell_dk_anti_magic_zone();
     new spell_dk_corpse_explosion();
     new spell_dk_runic_power_feed();
     new spell_dk_scourge_strike();
     new spell_dk_spell_deflection();
+    new spell_dk_will_of_the_necropolis();
 }
diff --git a/src/server/scripts/Spells/spell_druid.cpp b/src/server/scripts/Spells/spell_druid.cpp
index 47e5ad00a87..0e5c1dd95ef 100644
--- a/src/server/scripts/Spells/spell_druid.cpp
+++ b/src/server/scripts/Spells/spell_druid.cpp
@@ -94,9 +94,15 @@ public:
         PrepareAuraScript(spell_dru_moonkin_form_passive_AuraScript);
 
         uint32 absorbPct;
+
+        bool Load()
+        {
+            absorbPct = SpellMgr::CalculateSpellEffectAmount(GetSpellProto(), EFFECT_0, GetCaster());
+            return true;
+        }
+
         void CalculateAmount(AuraEffect const * /*aurEff*/, int32 & amount, bool & canBeRecalculated)
         {
-            absorbPct = amount;
             // Set absorbtion amount to unlimited
             amount = -1;
         }
@@ -132,9 +138,15 @@ public:
         PrepareAuraScript(spell_dru_primal_tenacity_AuraScript);
 
         uint32 absorbPct;
+
+        bool Load()
+        {
+            absorbPct = SpellMgr::CalculateSpellEffectAmount(GetSpellProto(), EFFECT_1, GetCaster());
+            return true;
+        }
+
         void CalculateAmount(AuraEffect const * /*aurEff*/, int32 & amount, bool & canBeRecalculated)
         {
-            absorbPct = amount;
             // Set absorbtion amount to unlimited
             amount = -1;
         }
@@ -170,19 +182,22 @@ public:
         PrepareAuraScript(spell_dru_savage_defense_AuraScript);
 
         uint32 absorbPct;
+
+        bool Load()
+        {
+            absorbPct = SpellMgr::CalculateSpellEffectAmount(GetSpellProto(), EFFECT_0, GetCaster());
+            return true;
+        }
+
         void CalculateAmount(AuraEffect const * /*aurEff*/, int32 & amount, bool & canBeRecalculated)
         {
-            absorbPct = amount;
             // Set absorbtion amount to unlimited
             amount = -1;
         }
 
         void Absorb(AuraEffect * aurEff, DamageInfo & dmgInfo, uint32 & absorbAmount)
         {
-            // don't waste charge when no dmg
-            if (!dmgInfo.GetDamage())
-                return;
-            absorbAmount = CalculatePctN(GetTarget()->GetTotalAttackPowerValue(BASE_ATTACK), absorbPct);
+            absorbAmount = int32(CalculatePctN(GetTarget()->GetTotalAttackPowerValue(BASE_ATTACK), absorbPct));
             aurEff->SetAmount(0);
         }
 
diff --git a/src/server/scripts/Spells/spell_generic.cpp b/src/server/scripts/Spells/spell_generic.cpp
index e99d1e44548..0f664c3d829 100644
--- a/src/server/scripts/Spells/spell_generic.cpp
+++ b/src/server/scripts/Spells/spell_generic.cpp
@@ -25,6 +25,41 @@
 #include "ScriptPCH.h"
 #include "SpellAuraEffects.h"
 
+class spell_gen_absorb0_hitlimit1 : public SpellScriptLoader
+{
+public:
+    spell_gen_absorb0_hitlimit1() : SpellScriptLoader("spell_gen_absorb0_hitlimit1") { }
+
+    class spell_gen_absorb0_hitlimit1_AuraScript : public AuraScript
+    {
+        PrepareAuraScript(spell_gen_absorb0_hitlimit1_AuraScript);
+
+        uint32 limit;
+
+        bool Load()
+        {
+            // Max absorb stored in 1 dummy effect
+            limit = SpellMgr::CalculateSpellEffectAmount(GetSpellProto(), EFFECT_1);
+            return true;
+        }
+
+        void Absorb(AuraEffect * /*aurEff*/, DamageInfo & dmgInfo, uint32 & absorbAmount)
+        {
+            absorbAmount = std::min(limit, absorbAmount);
+        }
+
+        void Register()
+        {
+             OnEffectAbsorb += AuraEffectAbsorbFn(spell_gen_absorb0_hitlimit1_AuraScript::Absorb, EFFECT_0);
+        }
+    };
+
+    AuraScript *GetAuraScript() const
+    {
+        return new spell_gen_absorb0_hitlimit1_AuraScript();
+    }
+};
+
 // 41337 Aura of Anger
 class spell_gen_aura_of_anger : public SpellScriptLoader
 {
@@ -562,6 +597,7 @@ class spell_gen_shroud_of_death : public SpellScriptLoader
 
 void AddSC_generic_spell_scripts()
 {
+    new spell_gen_absorb0_hitlimit1();
     new spell_gen_aura_of_anger();
     new spell_gen_burn_brutallus();
     new spell_gen_leeching_swarm();
diff --git a/src/server/scripts/Spells/spell_mage.cpp b/src/server/scripts/Spells/spell_mage.cpp
index 901f36a3065..d4794e10b68 100644
--- a/src/server/scripts/Spells/spell_mage.cpp
+++ b/src/server/scripts/Spells/spell_mage.cpp
@@ -38,6 +38,39 @@ enum MageSpells
     SPELL_MAGE_GLYPH_OF_BLAST_WAVE               = 62126,
 };
 
+class spell_mage_blast_wave : public SpellScriptLoader
+{
+    public:
+        spell_mage_blast_wave() : SpellScriptLoader("spell_mage_blast_wave") { }
+
+        class spell_mage_blast_wave_SpellScript : public SpellScript
+        {
+            PrepareSpellScript(spell_mage_blast_wave_SpellScript)
+            bool Validate(SpellEntry const * /*spellEntry*/)
+            {
+                if (!sSpellStore.LookupEntry(SPELL_MAGE_GLYPH_OF_BLAST_WAVE))
+                    return false;
+                return true;
+            }
+
+            void HandleKnockBack(SpellEffIndex effIndex)
+            {
+                if (GetCaster()->HasAura(SPELL_MAGE_GLYPH_OF_BLAST_WAVE))
+                    PreventHitDefaultEffect(effIndex);
+            }
+
+            void Register()
+            {
+                OnEffect += SpellEffectFn(spell_mage_blast_wave_SpellScript::HandleKnockBack, EFFECT_2, SPELL_EFFECT_KNOCK_BACK);
+            }
+        };
+
+        SpellScript * GetSpellScript() const
+        {
+            return new spell_mage_blast_wave_SpellScript();
+        }
+};
+
 class spell_mage_cold_snap : public SpellScriptLoader
 {
     public:
@@ -176,43 +209,61 @@ class spell_mage_summon_water_elemental : public SpellScriptLoader
         }
 };
 
-class spell_mage_blast_wave : public SpellScriptLoader
+// Frost Ward and Fire Ward
+class spell_mage_frost_warding_trigger : public SpellScriptLoader
 {
-    public:
-        spell_mage_blast_wave() : SpellScriptLoader("spell_mage_blast_wave") { }
+public:
+    spell_mage_frost_warding_trigger() : SpellScriptLoader("spell_mage_frost_warding_trigger") { }
 
-        class spell_mage_blast_wave_SpellScript : public SpellScript
+    class spell_mage_frost_warding_trigger_AuraScript : public AuraScript
+    {
+        PrepareAuraScript(spell_mage_frost_warding_trigger_AuraScript);
+
+        enum Spells
         {
-            PrepareSpellScript(spell_mage_blast_wave_SpellScript)
-            bool Validate(SpellEntry const * /*spellEntry*/)
-            {
-                if (!sSpellStore.LookupEntry(SPELL_MAGE_GLYPH_OF_BLAST_WAVE))
-                    return false;
-                return true;
-            }
+            SPELL_MAGE_FROST_WARDING_TRIGGERED = 57776,
+            SPELL_MAGE_FROST_WARDING_R1 = 28332,
+        };
 
-            void HandleKnockBack(SpellEffIndex effIndex)
-            {
-                if (GetCaster()->HasAura(SPELL_MAGE_GLYPH_OF_BLAST_WAVE))
-                    PreventHitDefaultEffect(effIndex);
-            }
+        bool Validate(SpellEntry const * /*spellEntry*/)
+        {
+            return sSpellStore.LookupEntry(SPELL_MAGE_FROST_WARDING_TRIGGERED) 
+                && sSpellStore.LookupEntry(SPELL_MAGE_FROST_WARDING_R1);
+        }
 
-            void Register()
+        void Absorb(AuraEffect * aurEff, DamageInfo & dmgInfo, uint32 & absorbAmount)
+        {
+            Unit * target = GetTarget();
+            if (AuraEffect * talentAurEff = target->GetAuraEffectOfRankedSpell(SPELL_MAGE_FROST_WARDING_R1, EFFECT_0))
             {
-                OnEffect += SpellEffectFn(spell_mage_blast_wave_SpellScript::HandleKnockBack, EFFECT_2, SPELL_EFFECT_KNOCK_BACK);
+                int32 chance = SpellMgr::CalculateSpellEffectAmount(talentAurEff->GetSpellProto(), EFFECT_1);
+
+                if (roll_chance_i(chance))
+                {
+                    absorbAmount = dmgInfo.GetDamage();
+                    int32 bp = absorbAmount;
+                    target->CastCustomSpell(target, SPELL_MAGE_FROST_WARDING_TRIGGERED, &bp, NULL, NULL, true, NULL, aurEff);
+                }
             }
-        };
+        }
 
-        SpellScript * GetSpellScript() const
+        void Register()
         {
-            return new spell_mage_blast_wave_SpellScript();
+             OnEffectAbsorb += AuraEffectAbsorbFn(spell_mage_frost_warding_trigger_AuraScript::Absorb, EFFECT_0);
         }
+    };
+
+    AuraScript *GetAuraScript() const
+    {
+        return new spell_mage_frost_warding_trigger_AuraScript();
+    }
 };
 
 void AddSC_mage_spell_scripts()
 {
+    new spell_mage_blast_wave;
     new spell_mage_cold_snap;
+    new spell_mage_frost_warding_trigger();
     new spell_mage_polymorph_cast_visual;
     new spell_mage_summon_water_elemental;
-    new spell_mage_blast_wave;
 }
diff --git a/src/server/scripts/Spells/spell_paladin.cpp b/src/server/scripts/Spells/spell_paladin.cpp
index b53f172bfdf..828fa5de699 100644
--- a/src/server/scripts/Spells/spell_paladin.cpp
+++ b/src/server/scripts/Spells/spell_paladin.cpp
@@ -39,6 +39,82 @@ enum PaladinSpells
     SPELL_BLESSING_OF_LOWER_CITY_SHAMAN          = 37881,
 };
 
+// 31850 - Ardent Defender
+class spell_pal_ardent_defender : public SpellScriptLoader
+{
+public:
+    spell_pal_ardent_defender() : SpellScriptLoader("spell_pal_ardent_defender") { }
+
+    class spell_pal_ardent_defender_AuraScript : public AuraScript
+    {
+        PrepareAuraScript(spell_pal_ardent_defender_AuraScript);
+
+        uint32 absorbPct, healPct;
+
+        enum Spell
+        {
+            PAL_SPELL_ARDENT_DEFENDER_HEAL = 66235,
+        };
+
+        bool Load()
+        {
+            healPct = SpellMgr::CalculateSpellEffectAmount(GetSpellProto(), EFFECT_1);
+            absorbPct = SpellMgr::CalculateSpellEffectAmount(GetSpellProto(), EFFECT_0);
+            return GetUnitOwner()->ToPlayer();
+        }
+
+        void CalculateAmount(AuraEffect const * /*aurEff*/, int32 & amount, bool & canBeRecalculated)
+        {
+            // Set absorbtion amount to unlimited
+            amount = -1;
+        }
+
+        void Absorb(AuraEffect * aurEff, DamageInfo & dmgInfo, uint32 & absorbAmount)
+        {
+            Unit * pVictim = GetTarget();
+            int32 remainingHealth = pVictim->GetHealth() - dmgInfo.GetDamage();
+            uint32 allowedHealth = pVictim->CountPctFromMaxHealth(35);
+            // If damage kills us
+            if (remainingHealth <= 0 && !pVictim->ToPlayer()->HasSpellCooldown(PAL_SPELL_ARDENT_DEFENDER_HEAL))
+            {
+                // Cast healing spell, completely avoid damage
+                absorbAmount = dmgInfo.GetDamage();
+
+                uint32 defenseSkillValue = pVictim->GetDefenseSkillValue();
+                // Max heal when defense skill denies critical hits from raid bosses
+                // Formula: max defense at level + 140 (raiting from gear)
+                uint32 reqDefForMaxHeal  = pVictim->getLevel() * 5 + 140;
+                float pctFromDefense = (defenseSkillValue >= reqDefForMaxHeal)
+                    ? 1.0f
+                    : float(defenseSkillValue) / float(reqDefForMaxHeal);
+
+                int32 healAmount = int32(pVictim->CountPctFromMaxHealth(uint32(healPct * pctFromDefense)));
+                pVictim->CastCustomSpell(pVictim, PAL_SPELL_ARDENT_DEFENDER_HEAL, &healAmount, NULL, NULL, true, NULL, aurEff);
+                pVictim->ToPlayer()->AddSpellCooldown(PAL_SPELL_ARDENT_DEFENDER_HEAL, 0, time(NULL) + 120);
+            }
+            else if (remainingHealth < int32(allowedHealth))
+            {
+                // Reduce damage that brings us under 35% (or full damage if we are already under 35%) by x%
+                uint32 damageToReduce = (pVictim->GetHealth() < allowedHealth)
+                    ? dmgInfo.GetDamage()
+                    : allowedHealth - remainingHealth;
+                absorbAmount = CalculatePctN(damageToReduce, absorbPct);
+            }
+        }
+
+        void Register()
+        {
+             DoEffectCalcAmount += AuraEffectCalcAmountFn(spell_pal_ardent_defender_AuraScript::CalculateAmount, EFFECT_0, SPELL_AURA_SCHOOL_ABSORB);
+             OnEffectAbsorb += AuraEffectAbsorbFn(spell_pal_ardent_defender_AuraScript::Absorb, EFFECT_0);
+        }
+    };
+
+    AuraScript *GetAuraScript() const
+    {
+        return new spell_pal_ardent_defender_AuraScript();
+    }
+};
+
 class spell_pal_blessing_of_faith : public SpellScriptLoader
 {
 public:
@@ -253,6 +329,7 @@ public:
 
 void AddSC_paladin_spell_scripts()
 {
+    new spell_pal_ardent_defender();
     new spell_pal_blessing_of_faith();
     new spell_pal_blessing_of_sanctuary();
     new spell_pal_guarded_by_the_light();
diff --git a/src/server/scripts/Spells/spell_priest.cpp b/src/server/scripts/Spells/spell_priest.cpp
index 6631d840309..b149f182a1d 100644
--- a/src/server/scripts/Spells/spell_priest.cpp
+++ b/src/server/scripts/Spells/spell_priest.cpp
@@ -31,6 +31,66 @@ enum PriestSpells
     PRIEST_SPELL_PENANCE_R1_HEAL                 = 47757,
 };
 
+// Guardian Spirit
+class spell_pri_guardian_spirit : public SpellScriptLoader
+{
+public:
+    spell_pri_guardian_spirit() : SpellScriptLoader("spell_pri_guardian_spirit") { }
+
+    class spell_pri_guardian_spirit_AuraScript : public AuraScript
+    {
+        PrepareAuraScript(spell_pri_guardian_spirit_AuraScript);
+
+        uint32 healPct;
+
+        enum Spell
+        {
+            PRI_SPELL_GUARDIAN_SPIRIT_HEAL = 48153,
+        };
+
+        bool Validate(SpellEntry const * /*spellEntry*/)
+        {
+            return sSpellStore.LookupEntry(PRI_SPELL_GUARDIAN_SPIRIT_HEAL);
+        }
+
+        bool Load()
+        {
+            healPct = SpellMgr::CalculateSpellEffectAmount(GetSpellProto(), EFFECT_1);
+            return true;
+        }
+
+        void CalculateAmount(AuraEffect const * /*aurEff*/, int32 & amount, bool & canBeRecalculated)
+        {
+            // Set absorbtion amount to unlimited
+            amount = -1;
+        }
+
+        void Absorb(AuraEffect * aurEff, DamageInfo & dmgInfo, uint32 & absorbAmount)
+        {
+            Unit * target = GetTarget();
+            if (dmgInfo.GetDamage() < target->GetHealth())
+                return;
+
+            int32 healAmount = int32(target->CountPctFromMaxHealth(healPct));
+            // remove the aura now, we don't want 40% healing bonus
+            Remove(AURA_REMOVE_BY_ENEMY_SPELL);
+            target->CastCustomSpell(target, PRI_SPELL_GUARDIAN_SPIRIT_HEAL, &healAmount, NULL, NULL, true);
+            absorbAmount = dmgInfo.GetDamage();
+        }
+
+        void Register()
+        {
+            DoEffectCalcAmount += AuraEffectCalcAmountFn(spell_pri_guardian_spirit_AuraScript::CalculateAmount, EFFECT_1, SPELL_AURA_SCHOOL_ABSORB);
+            OnEffectAbsorb += AuraEffectAbsorbFn(spell_pri_guardian_spirit_AuraScript::Absorb, EFFECT_1);
+        }
+    };
+
+    AuraScript *GetAuraScript() const
+    {
+        return new spell_pri_guardian_spirit_AuraScript();
+    }
+};
+
 class spell_pri_mana_burn : public SpellScriptLoader
 {
     public:
@@ -148,9 +208,59 @@ class spell_pri_penance : public SpellScriptLoader
         }
 };
 
+// Reflective Shield
+class spell_pri_reflective_shield_trigger : public SpellScriptLoader
+{
+public:
+    spell_pri_reflective_shield_trigger() : SpellScriptLoader("spell_pri_reflective_shield_trigger") { }
+
+    class spell_pri_reflective_shield_trigger_AuraScript : public AuraScript
+    {
+        PrepareAuraScript(spell_pri_reflective_shield_trigger_AuraScript);
+
+        enum Spells
+        {
+            SPELL_PRI_REFLECTIVE_SHIELD_TRIGGERED = 33619,
+            SPELL_PRI_REFLECTIVE_SHIELD_R1 = 33201,
+        };
+
+        bool Validate(SpellEntry const * /*spellEntry*/)
+        {
+            return sSpellStore.LookupEntry(SPELL_PRI_REFLECTIVE_SHIELD_TRIGGERED) && sSpellStore.LookupEntry(SPELL_PRI_REFLECTIVE_SHIELD_R1);
+        }
+
+        void Trigger(AuraEffect * aurEff, DamageInfo & dmgInfo, uint32 & absorbAmount)
+        {
+            Unit * target = GetTarget();
+            if (dmgInfo.GetAttacker() == target)
+                return;
+            Unit * caster = GetCaster();
+            if (!caster)
+                return;
+            if (AuraEffect * talentAurEff = target->GetAuraEffectOfRankedSpell(SPELL_PRI_REFLECTIVE_SHIELD_R1, EFFECT_0))
+            {
+                int32 bp = CalculatePctN(absorbAmount, talentAurEff->GetAmount());
+                target->CastCustomSpell(dmgInfo.GetAttacker(), SPELL_PRI_REFLECTIVE_SHIELD_TRIGGERED, &bp, NULL, NULL, true, NULL, aurEff);
+            }
+        }
+
+        void Register()
+        {
+             AfterEffectAbsorb += AuraEffectAbsorbFn(spell_pri_reflective_shield_trigger_AuraScript::Trigger, EFFECT_0);
+        }
+    };
+
+    AuraScript *GetAuraScript() const
+    {
+        return new spell_pri_reflective_shield_trigger_AuraScript();
+    }
+};
+
 void AddSC_priest_spell_scripts()
 {
+    new spell_pri_guardian_spirit();
     new spell_pri_mana_burn;
     new spell_pri_pain_and_suffering_proc;
     new spell_pri_penance;
+    new spell_pri_reflective_shield_trigger();
 }
diff --git a/src/server/scripts/Spells/spell_rogue.cpp b/src/server/scripts/Spells/spell_rogue.cpp
index ffae231839c..6d1afef3460 100644
--- a/src/server/scripts/Spells/spell_rogue.cpp
+++ b/src/server/scripts/Spells/spell_rogue.cpp
@@ -30,6 +30,76 @@ enum RogueSpells
     ROGUE_SPELL_PREY_ON_THE_WEAK                 = 58670,
 };
 
+// Cheat Death
+class spell_rog_cheat_death : public SpellScriptLoader
+{
+public:
+    spell_rog_cheat_death() : SpellScriptLoader("spell_rog_cheat_death") { }
+
+    class spell_rog_cheat_death_AuraScript : public AuraScript
+    {
+        PrepareAuraScript(spell_rog_cheat_death_AuraScript);
+
+        uint32 absorbChance;
+
+        enum Spell
+        {
+            ROG_SPELL_CHEAT_DEATH_COOLDOWN = 31231,
+        };
+
+        bool Validate(SpellEntry const * /*spellEntry*/)
+        {
+            return sSpellStore.LookupEntry(ROG_SPELL_CHEAT_DEATH_COOLDOWN);
+        }
+
+        bool Load()
+        {
+            absorbChance = SpellMgr::CalculateSpellEffectAmount(GetSpellProto(), EFFECT_0);
+            return GetUnitOwner()->ToPlayer();
+        }
+
+        void CalculateAmount(AuraEffect const * /*aurEff*/, int32 & amount, bool & canBeRecalculated)
+        {
+            // Set absorbtion amount to unlimited
+            amount = -1;
+        }
+
+        void Absorb(AuraEffect * aurEff, DamageInfo & dmgInfo, uint32 & absorbAmount)
+        {
+            Unit * target = GetTarget();
+            if (dmgInfo.GetDamage() < target->GetHealth())
+                return;
+            if (target->ToPlayer()->HasSpellCooldown(ROG_SPELL_CHEAT_DEATH_COOLDOWN))
+                return;
+            if (!roll_chance_i(absorbChance))
+                return;
+
+            target->CastSpell(target, ROG_SPELL_CHEAT_DEATH_COOLDOWN, true);
+            target->ToPlayer()->AddSpellCooldown(ROG_SPELL_CHEAT_DEATH_COOLDOWN, 0, time(NULL) + 60);
+
+            uint32 health10 = target->CountPctFromMaxHealth(10);
+
+            // hp > 10% - absorb hp till 10%
+            if (target->GetHealth() > health10)
+                absorbAmount = dmgInfo.GetDamage() - target->GetHealth() + health10;
+            // hp lower than 10% - absorb everything
+            else
+                absorbAmount = dmgInfo.GetDamage();
+        }
+
+        void Register()
+        {
+            DoEffectCalcAmount += AuraEffectCalcAmountFn(spell_rog_cheat_death_AuraScript::CalculateAmount, EFFECT_0, SPELL_AURA_SCHOOL_ABSORB);
+            OnEffectAbsorb += AuraEffectAbsorbFn(spell_rog_cheat_death_AuraScript::Absorb, EFFECT_0);
+        }
+    };
+
+    AuraScript *GetAuraScript() const
+    {
+        return new spell_rog_cheat_death_AuraScript();
+    }
+};
+
 // 31130 - Nerves of Steel
 class spell_rog_nerves_of_steel : public SpellScriptLoader
 {
@@ -41,9 +111,15 @@ public:
         PrepareAuraScript(spell_rog_nerves_of_steel_AuraScript);
 
         uint32 absorbPct;
+
+        bool Load()
+        {
+            absorbPct = SpellMgr::CalculateSpellEffectAmount(GetSpellProto(), EFFECT_0, GetCaster());
+            return true;
+        }
+
         void CalculateAmount(AuraEffect const * /*aurEff*/, int32 & amount, bool & canBeRecalculated)
         {
-            absorbPct = amount;
             // Set absorbtion amount to unlimited
             amount = -1;
         }
@@ -216,6 +292,7 @@ class spell_rog_shiv : public SpellScriptLoader
 
 void AddSC_rogue_spell_scripts()
 {
+    new spell_rog_cheat_death();
     new spell_rog_nerves_of_steel();
     new spell_rog_preparation();
     new spell_rog_prey_on_the_weak();
diff --git a/src/server/scripts/Spells/spell_shaman.cpp b/src/server/scripts/Spells/spell_shaman.cpp
index bf8e179a438..7c59c5227ca 100644
--- a/src/server/scripts/Spells/spell_shaman.cpp
+++ b/src/server/scripts/Spells/spell_shaman.cpp
@@ -47,9 +47,15 @@ public:
         PrepareAuraScript(spell_sha_astral_shift_AuraScript);
 
         uint32 absorbPct;
+
+        bool Load()
+        {
+            absorbPct = SpellMgr::CalculateSpellEffectAmount(GetSpellProto(), EFFECT_0, GetCaster());
+            return true;
+        }
+
         void CalculateAmount(AuraEffect const * /*aurEff*/, int32 & amount, bool & canBeRecalculated)
         {
-            absorbPct = amount;
             // Set absorbtion amount to unlimited
             amount = -1;
         }