Core/Spell: abort channeling if no valid targets are found after searching

Closes #17624

(cherry picked from commit 2f19d97d210c70eade4fb87c1d86642d77bbcd69)

1 files changed, 8 insertions, 0 deletions

diff --git a/src/server/game/Spells/Spell.cpp b/src/server/game/Spells/Spell.cpp
index 270843e6e92..f0b84cc3c45 100644
--- a/src/server/game/Spells/Spell.cpp
+++ b/src/server/game/Spells/Spell.cpp
@@ -778,6 +778,14 @@ void Spell::SelectSpellTargets()
 
         if (m_spellInfo->IsChanneled())
         {
+            // maybe do this for all spells?
+            if (m_UniqueTargetInfo.empty() && m_UniqueGOTargetInfo.empty() && m_UniqueItemInfo.empty())
+            {
+                SendCastResult(SPELL_FAILED_BAD_IMPLICIT_TARGETS);
+                finish(false);
+                return;
+            }
+
             uint32 mask = (1 << effect->EffectIndex);
             for (std::vector<TargetInfo>::iterator ihit = m_UniqueTargetInfo.begin(); ihit != m_UniqueTargetInfo.end(); ++ihit)
             {