Recast hint for spellcasters

src/universe/pc.hpp

@@ -106,6 +106,9 @@ public:
 	long unique_id;
 	// transient stuff
 	std::map<eSkill,eSpell> last_cast = {{ eSkill::MAGE_SPELLS, eSpell::NONE}, { eSkill::PRIEST_SPELLS, eSpell::NONE }};
+	// There is already a global last_spellcast_type, but that variable is for the whole party.
+	// This one is per-PC
+	eSkill last_cast_type = eSkill::INVALID;
 	location combat_pos;
 	short parry = 0;
 	iLiving* last_attacked = nullptr; // Note: Currently this is assigned but never read