[7905] Implement ACTION_T_SET_SHEATH for creature event ai make possibility set ranged fire state. Author: VladimirMangos

Also related cleanup code in field cases and player Player::SetSheath.

--HG--
branch : trunk

src/game/Unit.h

@@ -219,6 +219,8 @@ enum SheathState
     SHEATH_STATE_RANGED   = 2                               // prepared ranged weapon
 };
 
+#define MAX_SHEATH_STATE    3
+
 // byte (1 from 0..3) of UNIT_FIELD_BYTES_2
 enum UnitBytes2_Flags
 {
@@ -1036,6 +1038,9 @@ class TRINITY_DLL_SPEC Unit : public WorldObject
         void ApplyAttackTimePercentMod(WeaponAttackType att,float val, bool apply);
         void ApplyCastTimePercentMod(float val, bool apply);
 
+        SheathState GetSheath() const { return SheathState(GetByteValue(UNIT_FIELD_BYTES_2, 0)); }
+        virtual void SetSheath( SheathState sheathed ) { SetByteValue(UNIT_FIELD_BYTES_2, 0, sheathed); }
+
         // faction template id
         uint32 getFaction() const { return GetUInt32Value(UNIT_FIELD_FACTIONTEMPLATE); }
         void setFaction(uint32 faction) { SetUInt32Value(UNIT_FIELD_FACTIONTEMPLATE, faction ); }