feat(Scripting/Spell): Add new hooks for Spell (OnSpellCast, OnSpellPrepare, OnSpellCancel)

src/server/game/Scripting/ScriptDefines/AllSpellScript.cpp

@@ -84,6 +84,21 @@ void ScriptMgr::OnDummyEffect(WorldObject* caster, uint32 spellID, SpellEffIndex
     CALL_ENABLED_HOOKS(AllSpellScript, ALLSPELLHOOK_ON_DUMMY_EFFECT_ITEM, script->OnDummyEffect(caster, spellID, effIndex, itemTarget));
 }
 
+void ScriptMgr::OnSpellCastCancel(Spell* spell, Unit* caster, SpellInfo const* spellInfo, bool bySelf)
+{
+    CALL_ENABLED_HOOKS(AllSpellScript, ALLSPELLHOOK_ON_CAST_CANCEL, script->OnSpellCastCancel(spell, caster, spellInfo, bySelf));
+}
+
+void ScriptMgr::OnSpellCast(Spell* spell, Unit* caster, SpellInfo const* spellInfo, bool skipCheck)
+{
+    CALL_ENABLED_HOOKS(AllSpellScript, ALLSPELLHOOK_ON_CAST, script->OnSpellCast(spell, caster, spellInfo, skipCheck));
+}
+
+void ScriptMgr::OnSpellPrepare(Spell* spell, Unit* caster, SpellInfo const* spellInfo)
+{
+    CALL_ENABLED_HOOKS(AllSpellScript, ALLSPELLHOOK_ON_PREPARE, script->OnSpellPrepare(spell, caster, spellInfo));
+}
+
 AllSpellScript::AllSpellScript(char const* name, std::vector<uint16> enabledHooks)
     : ScriptObject(name, ALLSPELLHOOK_END)
 {

src/server/game/Scripting/ScriptDefines/AllSpellScript.h

@@ -36,6 +36,9 @@ enum AllSpellHook
     ALLSPELLHOOK_ON_DUMMY_EFFECT_GAMEOBJECT,
     ALLSPELLHOOK_ON_DUMMY_EFFECT_CREATURE,
     ALLSPELLHOOK_ON_DUMMY_EFFECT_ITEM,
+    ALLSPELLHOOK_ON_CAST_CANCEL,
+    ALLSPELLHOOK_ON_CAST,
+    ALLSPELLHOOK_ON_PREPARE,
     ALLSPELLHOOK_END
 };
 
@@ -100,6 +103,12 @@ class AllSpellScript : public ScriptObject
      * @param itemTarget Contains information about the Item
      */
     virtual void OnDummyEffect(WorldObject* /*caster*/, uint32 /*spellID*/, SpellEffIndex /*effIndex*/, Item* /*itemTarget*/) { }
+
+    virtual void OnSpellCastCancel(Spell* /*spell*/, Unit* /*caster*/, SpellInfo const* /*spellInfo*/, bool /*bySelf*/) { }
+
+    virtual void OnSpellCast(Spell* /*spell*/, Unit* /*caster*/, SpellInfo const* /*spellInfo*/, bool /*skipCheck*/) { }
+
+    virtual void OnSpellPrepare(Spell* /*spell*/, Unit* /*caster*/, SpellInfo const* /*spellInfo*/) { }
 };
 
 // Compatibility for old scripts

src/server/game/Scripting/ScriptMgr.h

@@ -615,6 +615,9 @@ class ScriptMgr
     void OnDummyEffect(WorldObject* caster, uint32 spellID, SpellEffIndex effIndex, GameObject* gameObjTarget);
     void OnDummyEffect(WorldObject* caster, uint32 spellID, SpellEffIndex effIndex, Creature* creatureTarget);
     void OnDummyEffect(WorldObject* caster, uint32 spellID, SpellEffIndex effIndex, Item* itemTarget);
+    void OnSpellCastCancel(Spell* spell, Unit* caster, SpellInfo const* spellInfo, bool bySelf);
+    void OnSpellCast(Spell* spell, Unit* caster, SpellInfo const* spellInfo, bool skipCheck);
+    void OnSpellPrepare(Spell* spell, Unit* caster, SpellInfo const* spellInfo);
 
 public: /* GameEventScript */
     void OnGameEventStart(uint16 EventID);

src/server/game/Spells/Spell.cpp

@@ -3717,6 +3717,8 @@ SpellCastResult Spell::prepare(SpellCastTargets const* targets, AuraEffect const
             TriggerGlobalCooldown();
     }
 
+    sScriptMgr->OnSpellPrepare(this, m_caster, m_spellInfo);
+
     return SPELL_CAST_OK;
 }
 
@@ -3788,6 +3790,8 @@ void Spell::cancel(bool bySelf)
     //set state back so finish will be processed
     m_spellState = oldState;
 
+    sScriptMgr->OnSpellCastCancel(this, m_caster, m_spellInfo, bySelf);
+
     finish(false);
 }
 
@@ -4114,6 +4118,8 @@ void Spell::_cast(bool skipCheck)
         if (m_caster->ToPlayer()->GetCommandStatus(CHEAT_COOLDOWN))
             m_caster->ToPlayer()->RemoveSpellCooldown(m_spellInfo->Id, true);
 
+    sScriptMgr->OnSpellCast(this, m_caster, m_spellInfo, skipCheck);
+
     SetExecutedCurrently(false);
 }