DB/Quest: Take Down Tethyr!

Closes #22407

(cherry picked from commit c22b1e6cb46ff76729f44eb846043e1614abc9f9)

2 files changed, 53 insertions, 0 deletions

diff --git a/sql/updates/world/master/2021_12_18_93_world_2019_12_15_00_world_335.sql b/sql/updates/world/master/2021_12_18_93_world_2019_12_15_00_world_335.sql
new file mode 100644
index 00000000000..ae2e7149e34
--- /dev/null
+++ b/sql/updates/world/master/2021_12_18_93_world_2019_12_15_00_world_335.sql
@@ -0,0 +1,23 @@
+-- 
+UPDATE `creature` SET `position_z`=12.259 WHERE `id`=23907;
+UPDATE `smart_scripts` SET  `event_param1`=16000,`event_param2`=16000 WHERE `entryorguid`=23900 AND `source_type`=0 AND `id`=2;
+UPDATE `smart_scripts` SET  `action_param1`=768 WHERE `entryorguid`=2389900 AND `source_type`=9 AND `id`=2;
+UPDATE `smart_scripts` SET  `action_param1`=768 WHERE `entryorguid`=23899 AND `source_type`=0 AND `id`=2;
+UPDATE `creature_template_movement` SET `Ground`=1 WHERE `CreatureID`=23899;
+
+DELETE FROM `smart_scripts` WHERE `entryorguid` IN (23899) AND `source_type`=0 AND `id`=5;
+INSERT INTO `smart_scripts` (`entryorguid`,`source_type`,`id`,`link`,`event_type`,`event_phase_mask`,`event_chance`,`event_flags`,`event_param1`,`event_param2`,`event_param3`,`event_param4`,`action_type`,`action_param1`,`action_param2`,`action_param3`,`action_param4`,`action_param5`,`action_param6`,`target_type`,`target_param1`,`target_param2`,`target_param3`,`target_x`,`target_y`,`target_z`,`target_o`,`comment`) VALUES
+(23899,0,5,0,40,0,100,0,1,23899,0,0,103,1,0,0,0,0,0,1,0,0,0,0,0,0,0,'Tethyr - Waypoint reached - Root');
+UPDATE `creature_template` SET `flags_extra`=64 WHERE `entry` IN (23899);
+
+DELETE FROM `conditions` WHERE `SourceTypeOrReferenceId`=13 AND `SourceEntry`=42578;
+INSERT INTO `conditions` (`SourceTypeOrReferenceId`,`SourceGroup`,`SourceEntry`,`SourceId`,`ElseGroup`,`ConditionTypeOrReference`,`ConditionTarget`,`ConditionValue1`,`ConditionValue2`,`ConditionValue3`,`NegativeCondition` ,`ErrorTextId`,`ScriptName`,`Comment`) VALUES
+(13,1,42578,0,0,31,0,3,23907,0,0,0,'','Cannon Blast');
+
+DELETE FROM `creature_template_addon` WHERE `entry`=23900;
+INSERT INTO `creature_template_addon` (`entry`, `bytes2`, `emote`) VALUES (23900,2,384);
+
+DELETE FROM `spell_linked_spell` WHERE `spell_trigger` = 42578;
+DELETE FROM `spell_script_names` WHERE `ScriptName`="spell_gen_cannon_blast";
+INSERT INTO `spell_script_names` (`spell_id`,`ScriptName`) VALUES
+(42578, "spell_gen_cannon_blast");
diff --git a/src/server/scripts/Spells/spell_generic.cpp b/src/server/scripts/Spells/spell_generic.cpp
index f000c3294d1..8c07f62339b 100644
--- a/src/server/scripts/Spells/spell_generic.cpp
+++ b/src/server/scripts/Spells/spell_generic.cpp
@@ -4308,6 +4308,35 @@ class spell_gen_charmed_unit_spell_cooldown : public SpellScript
     }
 };
 
+enum CannonBlast
+{
+    SPELL_CANNON_BLAST          = 42578,
+    SPELL_CANNON_BLAST_DAMAGE   = 42576
+};
+
+class spell_gen_cannon_blast : public SpellScript
+{
+    PrepareSpellScript(spell_gen_cannon_blast);
+
+    bool Validate(SpellInfo const* spellInfo) override
+    {
+        return ValidateSpellInfo({ SPELL_CANNON_BLAST });
+    }
+    void HandleScript(SpellEffIndex /*effIndex*/)
+    {
+        int32 bp = GetEffectValue();
+        Unit* target = GetHitUnit();
+        CastSpellExtraArgs args(TRIGGERED_FULL_MASK);
+        args.AddSpellBP0(bp);
+        target->CastSpell(target, SPELL_CANNON_BLAST_DAMAGE, args);
+    }
+
+    void Register() override
+    {
+        OnEffectHitTarget += SpellEffectFn(spell_gen_cannon_blast::HandleScript, EFFECT_0, SPELL_EFFECT_SCRIPT_EFFECT);
+    }
+};
+
 // 169869 - Transformation Sickness
 class spell_gen_decimatus_transformation_sickness : public SpellScript
 {
@@ -4680,6 +4709,7 @@ void AddSC_generic_spell_scripts()
     RegisterAuraScript(spell_gen_vehicle_control_link);
     RegisterSpellScript(spell_freezing_circle);
     RegisterSpellScript(spell_gen_charmed_unit_spell_cooldown);
+    RegisterSpellScript(spell_gen_cannon_blast);
     RegisterSpellScript(spell_gen_decimatus_transformation_sickness);
     RegisterSpellScript(spell_gen_anetheron_summon_towering_infernal);
     RegisterSpellAndAuraScriptPair(spell_gen_mark_of_kazrogal_hellfire, spell_gen_mark_of_kazrogal_hellfire_aura);