Core/Spells: fix wrong distance calculations in AoE spells [Needs testing] (#16290)

Core/Spells: Fix wrong distance calculations in AoE spells.
Pull request #16290 by chaodhib.
God bless, finally.

1 files changed, 29 insertions, 0 deletions

diff --git a/src/server/game/Spells/SpellInfo.cpp b/src/server/game/Spells/SpellInfo.cpp
index 1a3b58afa83..efa3d6e8c70 100644
--- a/src/server/game/Spells/SpellInfo.cpp
+++ b/src/server/game/Spells/SpellInfo.cpp
@@ -66,6 +66,35 @@ bool SpellImplicitTargetInfo::IsArea() const
     return GetSelectionCategory() == TARGET_SELECT_CATEGORY_AREA || GetSelectionCategory() == TARGET_SELECT_CATEGORY_CONE;
 }
 
+bool SpellImplicitTargetInfo::IsProximityBasedAoe() const
+{
+    switch (_target)
+    {
+        case TARGET_UNIT_SRC_AREA_ENTRY:
+        case TARGET_UNIT_SRC_AREA_ENEMY:
+        case TARGET_UNIT_CASTER_AREA_PARTY:
+        case TARGET_UNIT_SRC_AREA_ALLY:
+        case TARGET_UNIT_SRC_AREA_PARTY:
+        case TARGET_UNIT_LASTTARGET_AREA_PARTY:
+        case TARGET_GAMEOBJECT_SRC_AREA:
+        case TARGET_UNIT_CASTER_AREA_RAID:
+        case TARGET_CORPSE_SRC_AREA_ENEMY:
+            return true;
+
+        case TARGET_UNIT_DEST_AREA_ENTRY:
+        case TARGET_UNIT_DEST_AREA_ENEMY:
+        case TARGET_UNIT_DEST_AREA_ALLY:
+        case TARGET_UNIT_DEST_AREA_PARTY:
+        case TARGET_GAMEOBJECT_DEST_AREA:
+        case TARGET_UNIT_TARGET_AREA_RAID_CLASS:
+            return false;
+
+        default:
+            TC_LOG_WARN("spells", "SpellImplicitTargetInfo::IsProximityBasedAoe called a non-aoe spell");
+            return false;
+    }
+}
+
 SpellTargetSelectionCategories SpellImplicitTargetInfo::GetSelectionCategory() const
 {
     return _data[_target].SelectionCategory;