examples : add basic inventory example

examples/init.lua

@@ -3,4 +3,5 @@ return {
   Test2 = require "examples.test_scene2",
   TestMenu = require "examples.test_menus",
   MainMenu = require "examples.mainmenu",
+  Inventory = require "examples.menus.inventory"
 }

examples/mainmenu/init.lua

@@ -39,6 +39,8 @@ function MainMenu:new()
   self:addScene("basic", examples.Test, "Basic Test 1")
   self:addScene("basic", examples.Test2, "Basic Test 2")
   self:addScene("basic", examples.TestMenu, "Basic Test Menu")
+  self:addSubMenu("menus", "Menus Tests")
+  self:addScene("menus", examples.Inventory, "Inventory")
 
   self.menusystem:switchMenu("main")
 end

examples/menus/inventory/assets/medium.lua

@@ -0,0 +1,5 @@
+return {
+  filename  = "medium.png",
+  glyphs    = "!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|} ",
+  extraspacing = 1,
+}

examples/menus/inventory/init.lua

@@ -0,0 +1,114 @@
+-- scenes/inventory :: a basic inventory example
+
+--[[
+  Copyright © 2019 Kazhnuz
+
+  Permission is hereby granted, free of charge, to any person obtaining a copy of
+  this software and associated documentation files (the "Software"), to deal in
+  the Software without restriction, including without limitation the rights to
+  use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+  the Software, and to permit persons to whom the Software is furnished to do so,
+  subject to the following conditions:
+
+  The above copyright notice and this permission notice shall be included in all
+  copies or substantial portions of the Software.
+
+  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+  FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+  COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+  IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+]]
+
+local Scene       = require "gamecore.modules.scenes"
+local Inventory   = Scene:extend()
+
+local HListBox  = require "gamecore.modules.menusystem.hlistbox"
+local FloxBox      = require "gamecore.modules.menusystem.flowbox"
+local Widget    = require "gamecore.modules.menusystem.widgets"
+
+local InventoryWidget = Widget.Text:extend()
+local ItemWidget      = Widget.Text:extend()
+
+function Inventory:new()
+  Inventory.super.new(self)
+  self.assets:addImageFont("medium", "examples/test_menus/assets/medium")
+
+
+  HListBox(self.menusystem, "main", 42, 32, 424-84, 32, 5)
+  self:addSubMenu("weapon", "Weapons")
+  self:addSubMenu("shield", "Shields")
+  self:addSubMenu("stuff",  "Stuff")
+
+  self:addItem("weapon", 3)
+  self:addItem("weapon", 2)
+
+  self:addItem("shield", 2)
+  self:addItem("shield", 1)
+
+  self.menusystem.menus["main"].isLocked = true
+
+  self.menusystem:switchMenu("main")
+  self.menusystem.menus["weapon"].isVisible = true
+  self.menusystem.menus["weapon"].isActive  = true
+
+
+end
+
+-- MENU FUNCTION
+-- Functions that serve the handling of menus
+
+function Inventory:addMenu(name, nobackbutton)
+  local w, h = 424 - 84, 240 - 48
+  local x, y = 42,       64  + 4
+  local widgetw, widgeth = w / 24, h / 24
+  FloxBox(self.menusystem, name, x, y, w, h, widgetw, widgeth)
+end
+
+function Inventory:addSubMenu(name, fullname)
+  self:addMenu(name)
+  InventoryWidget(self, "main", name, fullname)
+end
+
+function Inventory:addItem(submenu, id)
+  ItemWidget(self, submenu, id)
+end
+
+function Inventory:draw()
+  love.graphics.setColor(.3,  .1, .4, 1)
+  love.graphics.rectangle("fill", 0, 0, 424, 240)
+end
+
+-- WIDGETS
+-- Widgets used by menus
+
+-- Submenu widget :: go to a submenu
+
+function InventoryWidget:new(scene, menu, newmenu, fullname)
+  self.scene = scene
+  local widgetmenu  = self.scene.menusystem.menus[menu]
+  local font        = self.scene.assets.fonts["medium"]
+  self.newmenu      = newmenu
+  InventoryWidget.super.new(self, widgetmenu, font, fullname)
+end
+
+function InventoryWidget:action()
+  self.scene.menusystem:switchMenu(self.newmenu)
+end
+
+-- Scene widget :: switch scene
+
+function ItemWidget:new(scene, menu, id)
+  self.scene = scene
+  local widgetmenu  = self.scene.menusystem.menus[menu]
+  local font        = self.scene.assets.fonts["medium"]
+  ItemWidget.super.new(self, widgetmenu, font, id)
+end
+
+function ItemWidget:action()
+
+end
+
+
+return Inventory