Core/Misc: Moved Position to its own file

(cherry picked from commit 48ee1f003347910a48183f768501c1080fc40269)

Conflicts:
	src/server/game/Entities/Object/Object.cpp
	src/server/game/Entities/Object/Object.h
	src/server/game/Spells/Spell.cpp

src/server/game/Spells/Spell.cpp

@@ -7384,7 +7384,7 @@ bool WorldObjectSpellConeTargetCheck::operator()(WorldObject* target)
     }
     else if (_spellInfo->HasAttribute(SPELL_ATTR0_CU_CONE_LINE))
     {
-        if (!_caster->HasInLine(target, _caster->GetObjectSize()))
+        if (!_caster->HasInLine(target, _caster->GetObjectSize() + target->GetObjectSize()))
             return false;
     }
     else
@@ -7401,7 +7401,7 @@ WorldObjectSpellTrajTargetCheck::WorldObjectSpellTrajTargetCheck(float range, Po
 bool WorldObjectSpellTrajTargetCheck::operator()(WorldObject* target)
 {
     // return all targets on missile trajectory (0 - size of a missile)
-    if (!_caster->HasInLine(target, 0))
+    if (!_caster->HasInLine(target, target->GetObjectSize()))
         return false;
     return WorldObjectSpellAreaTargetCheck::operator ()(target);
 }