Scripts/Spells: Feign Death & 'prevent emotes flag' spell scripts (#26198)

Closes #25842 Ref #25764

2 files changed, 178 insertions, 32 deletions

diff --git a/sql/updates/world/3.3.5/2021_03_11_07_world.sql b/sql/updates/world/3.3.5/2021_03_11_07_world.sql
new file mode 100644
index 00000000000..9bc9848ce92
--- /dev/null
+++ b/sql/updates/world/3.3.5/2021_03_11_07_world.sql
@@ -0,0 +1,40 @@
+-- spell_gen_feign_death_no_dyn_flag
+-- UNIT_FLAG_PREVENT_EMOTES_FROM_CHAT_TEXT, UNIT_FLAG2_FEIGN_DEATH
+UPDATE `spell_script_names` SET `ScriptName` = "spell_gen_feign_death_no_dyn_flag" WHERE `spell_id` = 35357 AND `ScriptName` = "spell_gen_creature_permanent_feign_death";
+
+DELETE FROM `spell_script_names` WHERE `spell_id` IN (51329) AND `ScriptName` = "spell_gen_feign_death_no_dyn_flag";
+INSERT INTO `spell_script_names` (`spell_id`,`ScriptName`) VALUES
+(51329,"spell_gen_feign_death_no_dyn_flag");
+
+UPDATE `creature_template` SET `unit_flags` = `unit_flags` &~ 536870912 WHERE `entry` IN (31786); -- 35357
+DELETE FROM `creature_template_addon` WHERE `entry` IN (29811);
+INSERT INTO `creature_template_addon` (`entry`, `path_id`, `mount`, `bytes1`, `bytes2`, `emote`, `visibilityDistanceType`, `auras`) VALUES
+(29811,0,0,0,1,0,0,"51329");
+UPDATE `creature_template` SET `unit_flags` = `unit_flags` &~ (262144|536870912) WHERE `entry` IN (29811); -- 51329
+
+
+-- spell_gen_feign_death_no_prevent_emotes
+-- UNIT_FLAG2_FEIGN_DEATH, UNIT_DYNFLAG_DEAD, used by 31281
+UPDATE `spell_script_names` SET `ScriptName` = "spell_gen_feign_death_no_prevent_emotes" WHERE `spell_id` = 58951 AND `ScriptName` = "spell_gen_creature_permanent_feign_death";
+
+
+-- spell_gen_feign_death_all_flags
+-- All flags
+UPDATE `spell_script_names` SET `ScriptName` = "spell_gen_feign_death_all_flags" WHERE `ScriptName` = "spell_gen_creature_permanent_feign_death";
+
+UPDATE `creature_template` SET `unit_flags` = `unit_flags` &~ 536870912 WHERE `entry` IN (37970,37972,37973,38399,38400,38401,38769,38770,38771,38772,38784,38785); -- 71598
+
+
+-- spell_gen_prevent_emotes
+-- UNIT_FLAG_PREVENT_EMOTES_FROM_CHAT_TEXT
+DELETE FROM `spell_script_names` WHERE `spell_id` IN (33569,58540,70904,58806,58768) AND `ScriptName` = "spell_gen_prevent_emotes";
+INSERT INTO `spell_script_names` (`spell_id`,`ScriptName`) VALUES
+(33569,"spell_gen_prevent_emotes"),
+(58540,"spell_gen_prevent_emotes"),
+(70904,"spell_gen_prevent_emotes"),
+(58806,"spell_gen_prevent_emotes"),
+(58768,"spell_gen_prevent_emotes");
+
+UPDATE `creature_template` SET `unit_flags` = `unit_flags` &~ 536870912 WHERE `entry` IN (19224,20663); -- 33569
+UPDATE `creature_template` SET `unit_flags` = `unit_flags` &~ (262144|536870912) WHERE `entry` IN (30947); -- 58540
+UPDATE `creature_template` SET `unit_flags` = `unit_flags` &~ 536870912 WHERE `entry` IN (36789,38174); -- 70904
diff --git a/src/server/scripts/Spells/spell_generic.cpp b/src/server/scripts/Spells/spell_generic.cpp
index 2770aecfda6..3d4a012cf2b 100644
--- a/src/server/scripts/Spells/spell_generic.cpp
+++ b/src/server/scripts/Spells/spell_generic.cpp
@@ -1158,37 +1158,6 @@ class spell_gen_create_lance : public SpellScript
     }
 };
 
-class spell_gen_creature_permanent_feign_death : public AuraScript
-{
-    PrepareAuraScript(spell_gen_creature_permanent_feign_death);
-
-    void HandleEffectApply(AuraEffect const* /*aurEff*/, AuraEffectHandleModes /*mode*/)
-    {
-        Unit* target = GetTarget();
-        target->SetFlag(UNIT_DYNAMIC_FLAGS, UNIT_DYNFLAG_DEAD);
-        target->SetFlag(UNIT_FIELD_FLAGS_2, UNIT_FLAG2_FEIGN_DEATH);
-
-        if (Creature* creature = target->ToCreature())
-            creature->SetReactState(REACT_PASSIVE);
-    }
-
-    void OnRemove(AuraEffect const* /*aurEff*/, AuraEffectHandleModes /*mode*/)
-    {
-        Unit* target = GetTarget();
-        target->RemoveFlag(UNIT_DYNAMIC_FLAGS, UNIT_DYNFLAG_DEAD);
-        target->RemoveFlag(UNIT_FIELD_FLAGS_2, UNIT_FLAG2_FEIGN_DEATH);
-
-        if (Creature* creature = target->ToCreature())
-            creature->InitializeReactState();
-    }
-
-    void Register() override
-    {
-        OnEffectApply += AuraEffectApplyFn(spell_gen_creature_permanent_feign_death::HandleEffectApply, EFFECT_0, SPELL_AURA_DUMMY, AURA_EFFECT_HANDLE_REAL);
-        OnEffectRemove += AuraEffectRemoveFn(spell_gen_creature_permanent_feign_death::OnRemove, EFFECT_0, SPELL_AURA_DUMMY, AURA_EFFECT_HANDLE_REAL);
-    }
-};
-
 enum DalaranDisguiseSpells
 {
     SPELL_SUNREAVER_DISGUISE_TRIGGER       = 69672,
@@ -1733,6 +1702,117 @@ class spell_steal_essence_visual : public AuraScript
     }
 };
 
+/*
+There are only 3 possible flags Feign Death auras can apply: UNIT_DYNFLAG_DEAD, UNIT_FLAG2_FEIGN_DEATH
+and UNIT_FLAG_PREVENT_EMOTES_FROM_CHAT_TEXT. Some auras can apply only 2 flags
+
+spell_gen_feign_death_all_flags applies all 3 flags
+spell_gen_feign_death_no_dyn_flag applies no UNIT_DYNFLAG_DEAD (does not make the creature appear dead)
+spell_gen_feign_death_no_prevent_emotes applies no UNIT_FLAG_PREVENT_EMOTES_FROM_CHAT_TEXT
+
+REACT_PASSIVE should be handled directly in scripts since not all creatures should be passive. Otherwise
+creature will be not able to aggro or execute MoveInLineOfSight events. Removing may cause more issues
+than already exists
+*/
+
+class spell_gen_feign_death_all_flags : public AuraScript
+{
+    PrepareAuraScript(spell_gen_feign_death_all_flags);
+
+    void HandleEffectApply(AuraEffect const* /*aurEff*/, AuraEffectHandleModes /*mode*/)
+    {
+        Unit* target = GetTarget();
+        target->SetFlag(UNIT_DYNAMIC_FLAGS, UNIT_DYNFLAG_DEAD);
+        target->SetFlag(UNIT_FIELD_FLAGS_2, UNIT_FLAG2_FEIGN_DEATH);
+        target->SetFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_PREVENT_EMOTES_FROM_CHAT_TEXT);
+
+        if (Creature* creature = target->ToCreature())
+            creature->SetReactState(REACT_PASSIVE);
+    }
+
+    void OnRemove(AuraEffect const* /*aurEff*/, AuraEffectHandleModes /*mode*/)
+    {
+        Unit* target = GetTarget();
+        target->RemoveFlag(UNIT_DYNAMIC_FLAGS, UNIT_DYNFLAG_DEAD);
+        target->RemoveFlag(UNIT_FIELD_FLAGS_2, UNIT_FLAG2_FEIGN_DEATH);
+        target->RemoveFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_PREVENT_EMOTES_FROM_CHAT_TEXT);
+
+        if (Creature* creature = target->ToCreature())
+            creature->InitializeReactState();
+    }
+
+    void Register() override
+    {
+        OnEffectApply += AuraEffectApplyFn(spell_gen_feign_death_all_flags::HandleEffectApply, EFFECT_0, SPELL_AURA_DUMMY, AURA_EFFECT_HANDLE_REAL);
+        OnEffectRemove += AuraEffectRemoveFn(spell_gen_feign_death_all_flags::OnRemove, EFFECT_0, SPELL_AURA_DUMMY, AURA_EFFECT_HANDLE_REAL);
+    }
+};
+
+// 35357 - Spawn Feign Death
+// 51329 - Feign Death
+class spell_gen_feign_death_no_dyn_flag : public AuraScript
+{
+    PrepareAuraScript(spell_gen_feign_death_no_dyn_flag);
+
+    void HandleEffectApply(AuraEffect const* /*aurEff*/, AuraEffectHandleModes /*mode*/)
+    {
+        Unit* target = GetTarget();
+        target->SetFlag(UNIT_FIELD_FLAGS_2, UNIT_FLAG2_FEIGN_DEATH);
+        target->SetFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_PREVENT_EMOTES_FROM_CHAT_TEXT);
+
+        if (Creature* creature = target->ToCreature())
+            creature->SetReactState(REACT_PASSIVE);
+    }
+
+    void OnRemove(AuraEffect const* /*aurEff*/, AuraEffectHandleModes /*mode*/)
+    {
+        Unit* target = GetTarget();
+        target->RemoveFlag(UNIT_FIELD_FLAGS_2, UNIT_FLAG2_FEIGN_DEATH);
+        target->RemoveFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_PREVENT_EMOTES_FROM_CHAT_TEXT);
+
+        if (Creature* creature = target->ToCreature())
+            creature->InitializeReactState();
+    }
+
+    void Register() override
+    {
+        OnEffectApply += AuraEffectApplyFn(spell_gen_feign_death_no_dyn_flag::HandleEffectApply, EFFECT_0, SPELL_AURA_DUMMY, AURA_EFFECT_HANDLE_REAL);
+        OnEffectRemove += AuraEffectRemoveFn(spell_gen_feign_death_no_dyn_flag::OnRemove, EFFECT_0, SPELL_AURA_DUMMY, AURA_EFFECT_HANDLE_REAL);
+    }
+};
+
+// 58951 - Permanent Feign Death
+class spell_gen_feign_death_no_prevent_emotes : public AuraScript
+{
+    PrepareAuraScript(spell_gen_feign_death_no_prevent_emotes);
+
+    void HandleEffectApply(AuraEffect const* /*aurEff*/, AuraEffectHandleModes /*mode*/)
+    {
+        Unit* target = GetTarget();
+        target->SetFlag(UNIT_DYNAMIC_FLAGS, UNIT_DYNFLAG_DEAD);
+        target->SetFlag(UNIT_FIELD_FLAGS_2, UNIT_FLAG2_FEIGN_DEATH);
+
+        if (Creature* creature = target->ToCreature())
+            creature->SetReactState(REACT_PASSIVE);
+    }
+
+    void OnRemove(AuraEffect const* /*aurEff*/, AuraEffectHandleModes /*mode*/)
+    {
+        Unit* target = GetTarget();
+        target->RemoveFlag(UNIT_DYNAMIC_FLAGS, UNIT_DYNFLAG_DEAD);
+        target->RemoveFlag(UNIT_FIELD_FLAGS_2, UNIT_FLAG2_FEIGN_DEATH);
+
+        if (Creature* creature = target->ToCreature())
+            creature->InitializeReactState();
+    }
+
+    void Register() override
+    {
+        OnEffectApply += AuraEffectApplyFn(spell_gen_feign_death_no_prevent_emotes::HandleEffectApply, EFFECT_0, SPELL_AURA_DUMMY, AURA_EFFECT_HANDLE_REAL);
+        OnEffectRemove += AuraEffectRemoveFn(spell_gen_feign_death_no_prevent_emotes::OnRemove, EFFECT_0, SPELL_AURA_DUMMY, AURA_EFFECT_HANDLE_REAL);
+    }
+};
+
 // 46642 - 5,000 Gold
 class spell_gen_5000_gold : public SpellScript
 {
@@ -2642,6 +2722,29 @@ class spell_gen_paralytic_poison : public AuraScript
     }
 };
 
+class spell_gen_prevent_emotes : public AuraScript
+{
+    PrepareAuraScript(spell_gen_prevent_emotes);
+
+    void HandleEffectApply(AuraEffect const* /*aurEff*/, AuraEffectHandleModes /*mode*/)
+    {
+        Unit* target = GetTarget();
+        target->SetFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_PREVENT_EMOTES_FROM_CHAT_TEXT);
+    }
+
+    void OnRemove(AuraEffect const* /*aurEff*/, AuraEffectHandleModes /*mode*/)
+    {
+        Unit* target = GetTarget();
+        target->RemoveFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_PREVENT_EMOTES_FROM_CHAT_TEXT);
+    }
+
+    void Register() override
+    {
+        OnEffectApply += AuraEffectApplyFn(spell_gen_prevent_emotes::HandleEffectApply, EFFECT_FIRST_FOUND, SPELL_AURA_ANY, AURA_EFFECT_HANDLE_REAL);
+        OnEffectRemove += AuraEffectRemoveFn(spell_gen_prevent_emotes::OnRemove, EFFECT_FIRST_FOUND, SPELL_AURA_ANY, AURA_EFFECT_HANDLE_REAL);
+    }
+};
+
 class spell_gen_proc_below_pct_damaged : public AuraScript
 {
     PrepareAuraScript(spell_gen_proc_below_pct_damaged);
@@ -4352,7 +4455,6 @@ void AddSC_generic_spell_scripts()
     RegisterSpellScriptWithArgs(spell_gen_count_pct_from_max_hp, "spell_gen_default_count_pct_from_max_hp");
     RegisterSpellScriptWithArgs(spell_gen_count_pct_from_max_hp, "spell_gen_50pct_count_pct_from_max_hp", 50);
     RegisterSpellScript(spell_gen_create_lance);
-    RegisterSpellScript(spell_gen_creature_permanent_feign_death);
     RegisterSpellScriptWithArgs(spell_gen_dalaran_disguise, "spell_gen_sunreaver_disguise");
     RegisterSpellScriptWithArgs(spell_gen_dalaran_disguise, "spell_gen_silver_covenant_disguise");
     RegisterSpellScript(spell_gen_damage_reduction_aura);
@@ -4368,6 +4470,9 @@ void AddSC_generic_spell_scripts()
     RegisterSpellScript(spell_ethereal_pet_onsummon);
     RegisterSpellScript(spell_ethereal_pet_aura_remove);
     RegisterSpellScript(spell_steal_essence_visual);
+    RegisterSpellScript(spell_gen_feign_death_all_flags);
+    RegisterSpellScript(spell_gen_feign_death_no_dyn_flag);
+    RegisterSpellScript(spell_gen_feign_death_no_prevent_emotes);
     RegisterSpellScript(spell_gen_5000_gold);
     RegisterSpellScript(spell_gen_gadgetzan_transporter_backfire);
     RegisterSpellScript(spell_gen_gift_of_naaru);
@@ -4401,6 +4506,7 @@ void AddSC_generic_spell_scripts()
     RegisterSpellScript(spell_gen_oracle_wolvar_reputation);
     RegisterSpellScript(spell_gen_orc_disguise);
     RegisterSpellScript(spell_gen_paralytic_poison);
+    RegisterSpellScript(spell_gen_prevent_emotes);
     RegisterSpellScriptWithArgs(spell_gen_proc_below_pct_damaged, "spell_item_soul_harvesters_charm");
     RegisterSpellScriptWithArgs(spell_gen_proc_below_pct_damaged, "spell_item_commendation_of_kaelthas");
     RegisterSpellScriptWithArgs(spell_gen_proc_below_pct_damaged, "spell_item_corpse_tongue_coin");