Bugfixes

- Fix attempt at accessing invalid placed town locations
- Fix attempt at accessing invalid terrain in editor when checking whether to apply transformations

src/boe.town.cpp

@@ -1306,7 +1306,7 @@ void erase_out_specials() {
 			if(quadrant_legal(i,j)) {
 				cOutdoors& sector = *univ.scenario.outdoors[univ.party.outdoor_corner.x + i][univ.party.outdoor_corner.y + j];
 				for(short k = 0; k < sector.city_locs.size(); k++) {
-					if(sector.city_locs[k].spec >= 0 &&
+					if(sector.city_locs[k].spec >= 0 && sector.city_locs[k].x < 48 &&
 						univ.scenario.ter_types[sector.terrain[sector.city_locs[k].x][sector.city_locs[k].y]].special == eTerSpec::TOWN_ENTRANCE &&
 					   (sector.city_locs[k].x == minmax(0,47,sector.city_locs[k].x)) &&
 					   (sector.city_locs[k].y == minmax(0,47,sector.city_locs[k].y))) {

src/classes/monster.cpp

@@ -749,7 +749,7 @@ int uAbility::get_ap_cost(eMonstAbil key) const {
 		case eMonstAbil::NO_ABIL:
 			return -256;
 	}
-//	return -256;
+	return -256;
 }
 
 void cMonster::writeTo(std::ostream& file) const {

src/scenedit/scen.actions.cpp

@@ -1992,6 +1992,7 @@ void set_terrain(location l,ter_num_t terrain_type) {
 			unsigned int ground_there = scenario.ter_types[ter_there].ground_type;
 			if(ground_there != main_ground && ground_there != trim_ground) {
 				ter_num_t new_ter = scenario.get_ter_from_ground(trim_ground);
+				if(new_ter > scenario.ter_types.size()) continue;
 				cTerrain& ter_type = scenario.ter_types[new_ter];
 				// We need to be very cautious here.
 				// Only make the change if the terrain already there is the archetype for the ground type