Refactored erase_out_specials();

src/scenario/scenario.hpp

@@ -103,6 +103,8 @@ public:
 	ter_num_t get_ground_from_ter(ter_num_t ter);
 	ter_num_t get_ter_from_ground(unsigned short ground);
 	ter_num_t get_trim_terrain(unsigned short ground, unsigned short trim_g, eTrimType trim);
+	cOutdoors& get_sector(int x, int y);
+	bool is_town_entrance_valid(spec_loc_t loc) const;
 	
 	bool is_ter_used(ter_num_t ter);
 	bool is_monst_used(mon_num_t monst);