Cannibals are pariahs 2

src/activity_handlers.cpp

@@ -479,6 +479,27 @@ void activity_handlers::butcher_do_turn( player_activity *act, Character * )
     corpse_item.set_var( butcher_progress_var( action ), progress );
 }
 
+static bool do_cannibalism_piss_people_off( Character &you )
+{
+    if( !you.is_avatar() ) {
+        return true; // NPCs dont accidentally cause player hate
+    }
+
+    if( !query_yn(
+            _( "Really desecrate the mortal remains of a fellow human being by butchering them for meat?" ) ) ) {
+        return false; // player cancels
+    }
+
+    for( npc &guy : g->all_npcs() ) {
+        if( guy.is_active() && guy.sees( you ) && !guy.okay_with_eating_people() ) {
+            // massive opinion penalty
+            guy.trust -= 5;
+            guy.value -= 5;
+        }
+    }
+    return true;
+}
+
 static void set_up_butchery( player_activity &act, Character &you, butcher_type action )
 {
     const int factor = you.max_quality( action == butcher_type::DISSECT ? qual_CUT_FINE : qual_BUTCHER,
@@ -609,8 +630,7 @@ static void set_up_butchery( player_activity &act, Character &you, butcher_type
         if( you.has_proficiency( proficiency_prof_dissect_humans ) ) {
             //if it's player doing the butchery, ask them first.
             if( you.is_avatar() ) {
-                if( query_yn(
-                        _( "Really desecrate the mortal remains of a fellow human being by butchering them for meat?" ) ) ) {
+                if( do_cannibalism_piss_people_off( you ) ) {
                     //give the player a random message showing their disgust and cause morale penalty.
                     switch( rng( 1, 3 ) ) {
                         case 1: