[WIP] Replace appearance data with individual fields

Storing certain things in appearance data and others in their own fields
was gross. Now everything is stored on the same level and functions have
been added to generate appearance data when it's needed by the client.

src/MobAI.hpp

@@ -72,10 +72,10 @@ struct Mob : public CombatNPC {
         offsetX = 0;
         offsetY = 0;
 
-        appearanceData.iConditionBitFlag = 0;
+        cbf = 0;
 
         // NOTE: there appear to be discrepancies in the dump
-        appearanceData.iHP = maxHealth;
+        hp = maxHealth;
 
         kind = EntityType::MOB;
         _stepAI = MobAI::step;