Reset follower NPC disposition/faction on player death

src/game.cpp

@@ -918,10 +918,11 @@ bool game::cleanup_at_end()
         for( monster &critter : all_monsters() ) {
             despawn_monster( critter );
         }
+        // Reset NPC factions and disposition
+        reset_npc_dispositions();
         // Save the factions', missions and set the NPC's overmap coordinates
         // Npcs are saved in the overmap.
         save_factions_missions_npcs(); //missions need to be saved as they are global for all saves.
-
         // save artifacts.
         save_artifacts();
 
@@ -2683,6 +2684,31 @@ bool game::load_packs( const std::string &msg, const std::vector<mod_id> &packs,
     return missing.empty();
 }
 
+void game::reset_npc_dispositions()
+{
+    for( auto elem : follower_ids ) {
+        std::shared_ptr<npc> npc_to_get = overmap_buffer.find_npc( elem );
+        npc *npc_to_add = npc_to_get.get();
+        npc_to_add->chatbin.missions.clear();
+        npc_to_add->chatbin.missions_assigned.clear();
+        npc_to_add->mission = NPC_MISSION_NULL;
+        npc_to_add->chatbin.mission_selected = nullptr;
+        npc_to_add->set_attitude( NPCATT_NULL );
+        npc_to_add->op_of_u.anger = 0;
+        npc_to_add->op_of_u.fear = 0;
+        npc_to_add->op_of_u.trust = 0;
+        npc_to_add->op_of_u.value = 0;
+        npc_to_add->op_of_u.owed = 0;
+        npc_to_add->set_fac( faction_id( "wasteland_scavengers" ) );
+        npc_to_add->add_new_mission( mission::reserve_random( ORIGIN_ANY_NPC,
+                                     npc_to_add->global_omt_location(),
+                                     npc_to_add->getID() ) );
+
+    }
+    follower_ids.clear();
+
+}
+
 //Saves all factions and missions and npcs.
 bool game::save_factions_missions_npcs()
 {

src/game.h

@@ -906,6 +906,7 @@ class game
         //private save functions.
         // returns false if saving failed for whatever reason
         bool save_factions_missions_npcs();
+        void reset_npc_dispositions();
         void serialize_master( std::ostream &fout );
         // returns false if saving failed for whatever reason
         bool save_artifacts();

src/npctalk.cpp

@@ -2947,7 +2947,7 @@ void load_talk_topic( JsonObject &jo )
 
 std::string npc::pick_talk_topic( const player &u )
 {
-    //form_opinion(u);
+    form_opinion( u );
     ( void )u;
     if( personality.aggression > 0 ) {
         if( op_of_u.fear * 2 < personality.bravery && personality.altruism < 0 ) {

src/npctalk_funcs.cpp

@@ -459,6 +459,7 @@ void talk_function::follow( npc &p )
 {
     g->add_npc_follower( p.getID() );
     p.set_attitude( NPCATT_FOLLOW );
+    p.set_fac( faction_id( "your_followers" ) );
     g->u.cash += p.cash;
     p.cash = 0;
 }