Town details suggest number of hostiles for thrash number

src/scenario/town.cpp

@@ -177,6 +177,15 @@ bool cTown::cWandering::isNull() const {
 	return true;
 }
 
+size_t cTown::count_hostiles() const {
+	size_t count = 0;
+	static std::set<eAttitude> hostile_attitudes = { eAttitude::HOSTILE_A, eAttitude::HOSTILE_B };
+	for(const cTownperson& creature : creatures){
+		count += hostile_attitudes.count(creature.start_attitude);
+	}
+	return count;
+}
+
 bool cTown::is_cleaned_out() const {
 	if(max_num_monst < 0) return false;
 	return m_killed >= max_num_monst;

src/scenario/town.hpp

@@ -84,6 +84,7 @@ public:
 	rectangle in_town_rect;
 	std::vector<cItem> preset_items;
 	std::vector<cTownperson> creatures;
+	size_t count_hostiles() const;
 	long max_num_monst;
 	std::vector<cField> preset_fields;
 	short spec_on_entry,spec_on_entry_if_dead;

src/scenedit/scen.townout.cpp

@@ -694,6 +694,7 @@ static void put_town_details_in_dlog(cDialog& me) {
 	me["chop"].setTextToNum(town->town_chop_time);
 	me["key"].setTextToNum(town->town_chop_key);
 	me["population"].setTextToNum(town->max_num_monst);
+	me["population-hint"].replaceText("{{num}}", std::to_string(town->count_hostiles()));
 	me["difficulty"].setTextToNum(town->difficulty);
 	cLedGroup& lighting = dynamic_cast<cLedGroup&>(me["lighting"]);
 	switch(town->lighting_type) {