feat: allow stashing items in holsters/sheathes in reload menu (cat…

…aclysmbnteam#4874)

* feat: allow stashing items in holsters/sheathes in `r`eload menu

* Update character.cpp

src/avatar_action.cpp

@@ -1232,9 +1232,19 @@ void avatar_action::reload( item &loc, bool prompt, bool empty )
         use_loc = false;
     }
 
-    // for holsters and ammo pouches try to reload any contained item
-    if( it->type->can_use( "holster" ) && !it->contents.empty() ) {
-        it = &it->contents.front();
+    if( it->is_holster() ) {
+        auto ptr = dynamic_cast<const holster_actor *>
+                   ( it->type->get_use( "holster" )->get_actor_ptr() );
+        if( static_cast<int>( it->contents.num_item_stacks() ) < ptr->multi ) {
+            item *loc = game_menus::inv::holster( u, *it );
+
+            if( !loc ) {
+                u.add_msg_if_player( _( "Never mind." ) );
+                return;
+            }
+            ptr->store( u, *it, loc->detach() );
+            return;
+        }
     }
 
     // for bandoliers we currently defer to iuse_actor methods

src/character.cpp

@@ -11648,6 +11648,11 @@ int Character::hp_percentage() const
 
 bool Character::can_reload( const item &it, const itype_id &ammo ) const
 {
+    if( it.is_holster() ) {
+        const holster_actor *ptr = dynamic_cast<const holster_actor *>
+                                   ( it.get_use( "holster" )->get_actor_ptr() );
+        return static_cast<int>( it.contents.num_item_stacks() ) < ptr->multi;
+    }
     if( !it.is_reloadable_with( ammo ) ) {
         return false;
     }

src/character_functions.cpp

@@ -12,6 +12,7 @@
 #include "game.h"
 #include "handle_liquid.h"
 #include "itype.h"
+#include "iuse_actor.h"
 #include "make_static.h"
 #include "map_iterator.h"
 #include "map_selector.h"
@@ -1027,7 +1028,7 @@ item_reload_option select_ammo( const Character &who, item &base, bool prompt,
     const bool ammo_match_found = list_ammo( who, base, ammo_list, include_empty_mags,
                                   include_potential );
 
-    if( ammo_list.empty() ) {
+    if( ammo_list.empty() && !base.is_holster() ) {
         if( !who.is_npc() ) {
             if( !base.is_magazine() && !base.magazine_integral() && !base.magazine_current() ) {
                 who.add_msg_if_player( m_info, _( "You need a compatible magazine to reload the %s!" ),
@@ -1202,9 +1203,6 @@ std::vector<item *> find_reloadables( Character &who )
     std::vector<item *> reloadables;
 
     who.visit_items( [&]( item * node ) {
-        if( node->is_holster() ) {
-            return VisitResponse::NEXT;
-        }
         bool reloadable = false;
         if( node->is_gun() && !node->magazine_compatible().empty() ) {
             reloadable = node->magazine_current() == nullptr ||
@@ -1214,6 +1212,13 @@ std::vector<item *> find_reloadables( Character &who )
                            ( node->is_gun() && node->magazine_integral() ) ) &&
                          node->ammo_remaining() < node->ammo_capacity();
         }
+        if( node->is_holster() ) {
+            const holster_actor *ptr = dynamic_cast<const holster_actor *>
+                                       ( node->get_use( "holster" )->get_actor_ptr() );
+            if( static_cast<int>( node->contents.num_item_stacks() ) < ptr->multi ) {
+                reloadable = true;
+            }
+        }
         if( reloadable ) {
             reloadables.push_back( node );
         }

src/item.cpp

@@ -10052,7 +10052,7 @@ bool item::is_reloadable() const
     if( has_flag( flag_NO_RELOAD ) && !has_flag( flag_VEHICLE ) ) {
         return false; // turrets ignore NO_RELOAD flag
 
-    } else if( is_bandolier() ) {
+    } else if( is_bandolier() || is_holster() ) {
         return true;
 
     } else if( is_container() ) {