feat: add use and drop item support

sonic-radiance.love/scenes/overworld/screens/mainmenu/items.lua

@@ -13,8 +13,9 @@ local UseWidget = menu.DualTextWidget:extend()
 
 local DESC_SIZE = 48*4
 
-function ItemsScreen:new(scene)
-  self.menuIndex = 1
+function ItemsScreen:new(scene, menuIndex, widgetIndex)
+  self.menuIndex = menuIndex or 1
+  self.widgetIndex = widgetIndex or 1
   self.choiceBack = gui.newChoiceBack(DESC_SIZE)
   self.descBox = gui.newTextBox("assets/gui/dialogbox.png", DESC_SIZE, 40+16)
   self.effectBox = gui.newTextBox("assets/gui/dialogbox.png", DESC_SIZE, 40)
@@ -27,9 +28,11 @@ function ItemsScreen:update(dt)
   if (self.scene.menusystem.menus["useMenu"] == nil) then
     local keys = self.scene:getKeys(1)
     if (keys["left"].isPressed) then
+      self.widgetIndex = 1
       self:getMenu(self.menuIndex - 1)
     end
     if (keys["right"].isPressed) then
+      self.widgetIndex = 1
       self:getMenu(self.menuIndex + 1)
     end
   end
@@ -49,25 +52,26 @@ function ItemsScreen:getMenu(newMenuIndex)
   self:setMenu()
 end
 
-function ItemsScreen:setMenu()
+function ItemsScreen:setMenu(widgetId)
   self.pocket = game.loot:getPocketById(self.menuIndex)
   local w = 128+32
   menu.ListMenu(self.scene, "menu", const.X2 - w, const.Y + 8, w, 9, true)
   for i,item in ipairs(self.pocket.list) do
     --menu.DualTextWidget(self.scene, "menu", item.name, "x" .. item.number)
-    ItemWidget(self.scene, self.pocket.name, item)
+    ItemWidget(self.scene, self.pocket.name, item, i)
   end
   BackWidget(self.scene)
   self.scene.menusystem.menus["menu"]:setCancelWidget()
   self.scene.menusystem:switchMenu("menu")
   self.scene.menusystem.menus["menu"].isLocked = true
+  self.scene.menusystem.menus["menu"].widget.selected = math.max(1, self.widgetIndex)
 end
 
-function ItemsScreen:setUseMenu(item)
+function ItemsScreen:setUseMenu(item, widgetId)
   local w = 96
   menu.ListMenu(self.scene, "useMenu", const.X2 + 16 - w, const.Y2 - 48, w, 3, true)
-  UseWidget(self.scene, self.pocket.name, item)
-  DropWidget(self.scene, self.pocket.name, item)
+  UseWidget(self.scene, self.pocket.name, item, widgetId)
+  DropWidget(self.scene, self.pocket.name, item, widgetId)
   ResumeWidget(self.scene)
   self.scene.menusystem.menus["useMenu"]:setCancelWidget()
   self.scene.menusystem:switchMenu("useMenu")
@@ -132,10 +136,11 @@ function ItemsScreen:drawPocketRoll(x, y)
 end
 
 -- Items Widgets
-function ItemWidget:new(scene, pocket, item)
+function ItemWidget:new(scene, pocket, item, widgetId)
   self.item = item
   self.itemData = game.loot:getItemData(pocket, self.item.name)
   self.pocket = pocket
+  self.widgetId = widgetId
   ItemWidget.super.new(self, scene, "menu", self.itemData.fullname, "x" .. utils.math.numberToString(self.item.number, 2))
 end
 
@@ -145,7 +150,7 @@ function ItemWidget:selectAction()
 end
 
 function ItemWidget:action() 
-  self.scene.currentScreen:setUseMenu(self.item)
+  self.scene.currentScreen:setUseMenu(self.item, self.widgetId)
 end
 
 function BackWidget:new(scene)
@@ -163,18 +168,24 @@ end
 
 -- Use Menu Widget
 
-function UseWidget:new(scene, pocket, item)
+function UseWidget:new(scene, pocket, item, widgetId)
   self.item = item
   self.itemData = game.loot:getItemData(pocket, self.item.name)
   self.pocket = pocket
+  self.widgetId = widgetId
   UseWidget.super.new(self, scene, "useMenu", "Use", "")
 end
 
-function DropWidget:new(scene, pocket, item)
+function UseWidget:action()
+  self.scene.screens.mainmenu["useItems"](self.scene, self.pocket, self.item, self.widgetId)
+end
+
+function DropWidget:new(scene, pocket, item, widgetId)
   self.item = item
   self.itemData = game.loot:getItemData(pocket, self.item.name)
   self.pocket = pocket
   self.max = self.item.number
+  self.widgetId = widgetId
   self.number = 1
   DropWidget.super.new(self, scene, "useMenu", "Drop", "<" .. utils.math.numberToString(self.number, 2) .. ">")
 end
@@ -201,6 +212,12 @@ function DropWidget:updateSelected()
   end
 end
 
+function DropWidget:action()
+  game.loot:removeItem(self.pocket, self.item.name, self.number)
+  self.scene.currentScreen.widgetIndex = self.widgetId
+  self.scene.currentScreen:removeUseMenu()
+  self.scene.currentScreen:setMenu()
+end
 
 function ResumeWidget:new(scene)
   ResumeWidget.super.new(self, scene, "useMenu", "Back", "")