Mostly worked out how to do looting but now need how to take out of inventory and put into loot.

events.hpp

@@ -6,7 +6,7 @@ namespace Events {
     COMBAT_START, NO_NEIGHBORS, HP_STATUS,
     ATTACK, BLOCK, EVADE, NEW_RITUAL,
     UPDATE_SPRITE, ENEMY_SPAWN, NOOP,
-    LOOT_CLOSE, LOOT_SELECT, LOOT_PLACE
+    LOOT_CLOSE, LOOT_SELECT, INV_SELECT
   };
 
   struct Combat {
@@ -33,7 +33,7 @@ namespace gui {
     STAIRS_DOWN = 13,
     LOOT_OPEN=14,
     LOOT_SELECT=15,
-    LOOT_PLACE=16,
+    INV_SELECT=16,
     QUIT = 17,
     MOUSE_CLICK=18,
     MOUSE_MOVE=19,

gui/fsm.cpp

@@ -39,15 +39,20 @@ namespace gui {
       FSM_STATE(State, COMBAT_ROTATE, ev);
       FSM_STATE(State, NEXT_LEVEL, ev);
       FSM_STATE(State, END, ev);
-      FSM_STATE(State, LOOTING, ev, std::make_any<bool>(true));
+      FSM_STATE(State, LOOTING, ev, std::make_any<int>(-1));
+      FSM_STATE(State, LOOT_GRAB, ev, std::make_any<int>(-1));
+      FSM_STATE(State, INV_GRAB, ev, std::make_any<int>(-1));
     }
   }
 
   void FSM::event(Event ev, std::any data) {
     switch($state) {
       FSM_STATE(State, LOOTING, ev, data);
+      FSM_STATE(State, LOOT_GRAB, ev, data);
+      FSM_STATE(State, INV_GRAB, ev, data);
+      FSM_STATE(State, IDLE, ev);
     default:
-      dbc::log(fmt::format("event given with data but event={} is not handled", int(ev)));
+      dbc::log(fmt::format("event received with data but state={} is not handled", int($state)));
     }
   }
 
@@ -118,7 +123,7 @@ namespace gui {
     }
   }
 
-  void FSM::LOOTING(Event ev, std::any data) {
+  void FSM::LOOT_GRAB(Event ev, std::any data) {
     using enum Event;
 
     switch(ev) {
@@ -127,40 +132,118 @@ namespace gui {
         state(State::IDLE);
         break;
       case LOOT_SELECT: {
-          fmt::println("loot is selected");
           int slot_id = std::any_cast<int>(data);
-
           if(auto entity = $loot_ui.select_slot(slot_id)) {
-            fmt::println("LOOT SELECT slot={} has entity={}", slot_id, entity.value());
+            $status_ui.select_slot(slot_id, *entity);
-            $status_ui.select_slot(slot_id, entity.value());
+            $dumb_sprite = $loot_ui.grab_sprite(slot_id);
+
+            $window.setMouseCursorVisible(false);
+            $dumb_sprite->setOrigin({128, 128});
+            $dumb_sprite->setPosition({
+                float($router.position.x),
+                float($router.position.y)
+            });
           }
         } break;
-      case LOOT_PLACE: {
+      case INV_SELECT: {
           std::string slot_name = std::any_cast<std::string>(data);
           int slot_id = $status_ui.place_slot(slot_name);
-          // BUG: fix this bullshit
           if(slot_id != -1) {
             $loot_ui.remove_slot(slot_id);
           }
+          $window.setMouseCursorVisible(true);
+          $dumb_sprite = nullptr;
+          state(State::LOOTING);
         } break;
       case MOUSE_CLICK:
         mouse_action(false);
         break;
-      case MOUSE_MOVE:
+      case MOUSE_MOVE: {
+        if($dumb_sprite) {
+          $dumb_sprite->setPosition({
+              float($router.position.x),
+              float($router.position.y)
+          });
+        }
         mouse_action(true);
-        break;
+       } break;
-      case MOUSE_DRAG_START:
+      case MOUSE_DRAG_START: {
           mouse_action(false);
-        break;
+       } break;
-      case MOUSE_DRAG:
+      case MOUSE_DRAG: {
+        if($dumb_sprite) {
+          $dumb_sprite->setPosition({
+              float($router.position.x),
+              float($router.position.y)
+          });
+        }
         mouse_action(true);
-        break;
+       } break;
       case MOUSE_DROP:
         mouse_action(false);
         break;
       case TICK:
         // do nothing
         break;
+      default:
+        state(State::LOOT_GRAB);
+    }
+  }
+
+  void FSM::INV_GRAB(Event ev, std::any data) {
+    using enum Event;
+    (void)data;
+
+    switch(ev) {
+      case LOOT_OPEN:
+        $loot_ui.active = false;
+        state(State::IDLE);
+        break;
+      case LOOT_SELECT: {
+          state(State::IDLE);
+        } break;
+      case INV_SELECT: {
+          state(State::IDLE);
+        } break;
+      case MOUSE_CLICK:
+        mouse_action(false);
+        break;
+      case MOUSE_MOVE: {
+        mouse_action(true);
+       } break;
+      case MOUSE_DRAG_START: {
+          mouse_action(false);
+       } break;
+      case MOUSE_DRAG: {
+        mouse_action(true);
+       } break;
+      case MOUSE_DROP:
+        mouse_action(false);
+        break;
+      default:
+        state(State::INV_GRAB);
+    }
+  }
+
+  void FSM::LOOTING(Event ev, std::any data) {
+    using enum Event;
+
+    switch(ev) {
+      case LOOT_OPEN:
+        $loot_ui.active = false;
+        state(State::IDLE);
+        break;
+      case LOOT_SELECT:
+        LOOT_GRAB(ev, data);
+        state(State::LOOT_GRAB);
+        break;
+      case INV_SELECT:
+        state(State::INV_GRAB);
+        INV_GRAB(ev, data);
+        break;
+      case MOUSE_CLICK:
+        mouse_action(false);
+        break;
       default:
         state(State::LOOTING);
     }
@@ -213,39 +296,31 @@ namespace gui {
         sound::stop("ambient");
         state(State::NEXT_LEVEL);
         break;
-      case STOP_COMBAT:
-      case TICK:
-        // do nothing
-        break;
       case LOOT_OPEN: {
-        dbc::log("IDLE LOOT OPEN!");
         Config items("assets/items.json");
         auto& data = items["TORCH_BAD"];
+
+        for(int i = 0; $loot_ui.contents.size() < 10; i++) {
           auto torch = $level.world->entity();
           components::configure_entity(*$level.world, torch, data["components"]);
           $loot_ui.contents.push_back(torch);
+        }
+
         $loot_ui.update();
         $loot_ui.active = true;
-
         state(State::LOOTING);
-
         } break;
-      case LOOT_PLACE:
+      case INV_SELECT:
-        // ignored
+        state(State::INV_GRAB);
         break;
-
       case MOUSE_CLICK:
         mouse_action(false);
         break;
       case MOUSE_MOVE:
         mouse_action(true);
         break;
-      case MOUSE_DRAG: // ignored
-      case MOUSE_DRAG_START: // ignored
-      case MOUSE_DROP: // ignored
-        break;
       default:
-        dbc::sentinel("unhandled event in IDLE");
+        break; // ignore everything else
     }
   }
 
@@ -498,8 +573,8 @@ namespace gui {
         case eGUI::LOOT_SELECT:
           event(Event::LOOT_SELECT, data);
           break;
-        case eGUI::LOOT_PLACE:
+        case eGUI::INV_SELECT:
-          event(Event::LOOT_PLACE, data);
+          event(Event::INV_SELECT, data);
           break;
         case eGUI::LOOT: {
             $map_ui.log(L"You picked up an item.");

gui/fsm.hpp

@@ -1,4 +1,5 @@
 #pragma once
+
 #include "constants.hpp"
 #include "levelmanager.hpp"
 #include "simplefsm.hpp"
@@ -15,16 +16,18 @@
 
 namespace gui {
   enum class State {
-    START,
+    START=0,
-    MOVING,
+    MOVING=1,
-    IN_COMBAT,
+    IN_COMBAT=2,
-    COMBAT_ROTATE,
+    COMBAT_ROTATE=3,
-    ATTACKING,
+    ATTACKING=4,
-    ROTATING,
+    ROTATING=5,
-    NEXT_LEVEL,
+    NEXT_LEVEL=6,
-    LOOTING,
+    LOOTING=7,
-    IDLE,
+    LOOT_GRAB=8,
-    END
+    INV_GRAB=9,
+    IDLE=10,
+    END=11
   };
 
   class FSM : public DeadSimpleFSM<State, Event> {
@@ -65,6 +68,8 @@ namespace gui {
       void COMBAT_ROTATE(Event ev);
       void NEXT_LEVEL(Event ev);
       void LOOTING(Event ev, std::any data);
+      void LOOT_GRAB(Event ev, std::any data);
+      void INV_GRAB(Event ev, std::any data);
       void END(Event ev);
 
       void try_move(int dir, bool strafe);

gui/loot_ui.cpp

@@ -48,13 +48,19 @@ namespace gui {
   }
 
   std::optional<DinkyECS::Entity> LootUI::select_slot(int slot_id) {
-    if(size_t(slot_id) < contents.size()) {
+    if(slot_id >= 0 && size_t(slot_id) < contents.size()) {
       return contents.at(slot_id);
     } else {
       return std::nullopt;
     }
   }
 
+  shared_ptr<sf::Sprite> LootUI::grab_sprite(int slot_id) {
+    auto id = $gui.entity("item_", slot_id);
+    auto& sprite = $gui.get<guecs::Sprite>(id);
+    return sprite.sprite;
+  }
+
   void LootUI::remove_slot(int slot_id) {
     dbc::check(size_t(slot_id) < contents.size(),
         fmt::format("invalid slot id {} give, contents.size={}",
@@ -70,12 +76,8 @@ namespace gui {
     for(size_t i = 0; i < INV_SLOTS; i++) {
       auto id = $gui.entity("item_", int(i));
 
-      fmt::println("checking for sprite at {}", id);
       if($gui.has<guecs::Sprite>(id)) {
-        fmt::println("REMOVING SPRITE {}", id);
         $gui.remove<guecs::Sprite>(id);
-      } else {
-        fmt::println("nothing at {}", id);
       }
 
       if(i < contents.size()) {

gui/loot_ui.hpp

@@ -22,5 +22,6 @@ namespace gui {
       bool mouse(float x, float y, bool hover);
       std::optional<DinkyECS::Entity> select_slot(int slot);
       void remove_slot(int slot_id);
+      shared_ptr<sf::Sprite> grab_sprite(int slot_id);
   };
 }

gui/status_ui.cpp

@@ -43,7 +43,7 @@ namespace gui {
         } else {
           $gui.set<Textual>(button, {guecs::to_wstring(name)});
           $gui.set<Clickable>(button, {
-            guecs::make_action(*$level.world, Events::GUI::LOOT_PLACE, {name})
+            guecs::make_action(*$level.world, Events::GUI::INV_SELECT, {name})
           });
         }
       }

main.cpp

@@ -35,6 +35,8 @@ int main(int argc, char* argv[]) {
       if(main.in_state(gui::State::IDLE)
           || main.in_state(gui::State::NEXT_LEVEL)
           || main.in_state(gui::State::LOOTING)
+          || main.in_state(gui::State::LOOT_GRAB)
+          || main.in_state(gui::State::INV_GRAB)
           || main.in_state(gui::State::IN_COMBAT))
       {
         if(main.autowalking) {