Make the AIM_CLICK handler in FSM properly deal with an item already there while looting or not. Closes #56.

Makefile

@@ -34,7 +34,7 @@ tracy_build:
 	meson compile -j 10 -C builddir
 
 test: build
-	./builddir/runtests
+	./builddir/runtests "[inventory]"
 
 run: build test
 ifeq '$(OS)' 'Windows_NT'
@@ -57,7 +57,7 @@ clean:
 	meson compile --clean -C builddir
 
 debug_test: build
-	gdb --nx -x .gdbinit --ex run --args builddir/runtests -e
+	gdb --nx -x .gdbinit --ex run --args builddir/runtests -e "[inventory]"
 
 win_installer:
 	powershell 'start "C:\Program Files (x86)\solicus\InstallForge\bin\ifbuilderenvx86.exe" scripts\win_installer.ifp'

gui/dnd_loot.cpp

@@ -107,7 +107,8 @@ namespace gui {
 
     switch(ev) {
       case AIM_CLICK: {
-          bool worked = throw_on_floor();
+          // take from inventory, drop on floor
+          bool worked = throw_on_floor($status_ui.$gui, true);
           dbc::check(worked, "Need to fix this, should be able to abort.");
           END(CLOSE);
         } break;
@@ -137,12 +138,12 @@ namespace gui {
           END(CLOSE);
         }
         break;
-      case AIM_CLICK:
-        // BUG: because I put things into fake loot containers it's actually
-        // hard to put things back. It's probably a System::remove from the
-        // loot container combined with a System::drop_item
-        dbc::log("Put it back?");
-        break;
+      case AIM_CLICK: {
+        // THIS IS PUT IT BACK ON THE FLOOR
+        bool worked = throw_on_floor($loot_ui.$gui, false);
+        dbc::check(worked, "Failed to drop it back on the floor.");
+        END(CLOSE);
+       } break;
       default:
         handle_mouse(ev, $loot_ui.$gui);
     }
@@ -174,7 +175,7 @@ namespace gui {
       case TICK: // ignored
         break;
       default:
-        dbc::sentinel(fmt::format("invalid event: {}", int(ev)));
+        dbc::log(fmt::format("invalid event: {}", int(ev)));
     }
   }
 
@@ -296,15 +297,22 @@ namespace gui {
    * Dropping on the ground is only possible from the
    * status_ui for now.
    */
-  bool DNDLoot::throw_on_floor() {
+  bool DNDLoot::throw_on_floor(guecs::UI& gui, bool from_status) {
     dbc::check($grab_source != std::nullopt, "attempt to commit_drop but no grab_source set");
-    dbc::check($status_ui.$gui.has<guecs::GrabSource>(*$grab_source),
+    dbc::check(gui.has<guecs::GrabSource>(*$grab_source),
         "StatusUI doesn't actually have that GrabSource in the gui.");
 
-    auto& grab = $status_ui.$gui.get<guecs::GrabSource>(*$grab_source);
+    auto& grab = gui.get<guecs::GrabSource>(*$grab_source);
     grab.commit();
 
-    bool result = $status_ui.drop_item(grab.world_entity);
+    bool result = false;
+
+    if(from_status) {
+      result = $status_ui.drop_item(grab.world_entity);
+    } else {
+      result = $loot_ui.drop_item(grab.world_entity);
+    }
+
     clear_grab();
     return result;
   }

gui/dnd_loot.hpp

@@ -54,7 +54,7 @@ namespace gui {
 
       bool hold_world_item();
       bool hold_inv_item(std::any& data);
-      bool throw_on_floor();
+      bool throw_on_floor(guecs::UI& gui, bool from_status);
 
       void clear_grab();
 

gui/fsm.cpp

@@ -463,15 +463,17 @@ namespace gui {
         case eGUI::INV_SELECT:
           event(Event::INV_SELECT, data);
           break;
-        case eGUI::AIM_CLICK:
-          if(auto aimed_at = $main_ui.camera_aim()) {
-            fmt::println("clicked on a thing: {}", aimed_at);
-            System::pickup($level, aimed_at);
-          } else {
-            fmt::println("SENDING AIM_CLICK");
-            event(Event::AIM_CLICK);
-          }
-          break;
+        case eGUI::AIM_CLICK: {
+            auto aimed_at = $main_ui.camera_aim();
+
+            if(aimed_at && !in_state(State::LOOTING)) {
+              // aimed at something and not looting so it's a pickup
+              System::pickup($level, aimed_at);
+            } else {
+              // otherwise just repeat the event and let the FSM deal
+              event(Event::AIM_CLICK);
+            }
+          } break;
         case eGUI::LOOT_ITEM: {
           dbc::check(world.has<components::InventoryItem>(entity),
               "INVALID LOOT_ITEM, that entity has no InventoryItem");

gui/loot_ui.cpp

@@ -127,8 +127,13 @@ namespace gui {
     update();
   }
 
+  bool LootUI::drop_item(DinkyECS::Entity item_id) {
+    bool dropped = System::drop_item($level, item_id);
+    if(dropped) update();
+    return dropped;
+  }
+
   bool LootUI::mouse(float x, float y, bool hover) {
     return $gui.mouse(x, y, hover);
   }
-
 }

gui/loot_ui.hpp

@@ -33,5 +33,6 @@ namespace gui {
       void remove_slot(guecs::Entity slot_id);
       bool place_slot(guecs::Entity gui_id, DinkyECS::Entity world_entity);
       void add_loose_item(DinkyECS::Entity entity);
+      bool drop_item(DinkyECS::Entity item_id);
   };
 }