Initial commit

.luarc.json

@@ -0,0 +1,9 @@
+{
+    "runtime.version": "LuaJIT",
+    "diagnostics.globals": [
+        "ngx"
+    ],
+    "workspace.library": [
+        "${3rd}/love2d/library"
+    ]
+}

main.lua

@@ -0,0 +1,80 @@
+MultiMenu = {}
+MultiMenu.__index = MultiMenu
+
+setmetatable(
+  MultiMenu,
+  {
+    __call = function(self, options)
+      setmetatable({}, self)
+      self:initialize(options)
+      return self
+    end
+  }
+)
+
+function MultiMenu:initialize(options)
+  self.options = options
+  self.selected = 1
+end
+
+function MultiMenu:draw()
+  -- option drawing constants
+  local x = 400
+  local y_anchor = 200
+  local spacing = 50
+  y_anchor = y_anchor - spacing
+
+  -- draw all the options
+  for idx, option in ipairs(self.options) do
+    local y = y_anchor + idx * spacing
+    love.graphics.print(option, x, y)
+  end
+
+  -- cursor metric constants
+  local cursor_width = 10
+  local cursor_depth = 20
+  local cursor_spacing = 20
+
+  -- calculate the cursor's position
+  local cursor_x = x - cursor_spacing
+  local cursor_y = y_anchor + spacing * self.selected
+
+  -- draw the cursor
+  love.graphics.polygon("fill",
+    cursor_x, cursor_y,
+    cursor_x - cursor_depth, cursor_y - cursor_width,
+    cursor_x - cursor_depth, cursor_y + cursor_width
+  )
+end
+
+function MultiMenu:up()
+  if self.selected == 1 then
+    self.selected = #self.options
+  else
+    self.selected = self.selected - 1
+  end
+end
+
+function MultiMenu:down()
+  if self.selected == #self.options then
+    self.selected = 1
+  else
+    self.selected = self.selected + 1
+  end
+end
+
+function love.load()
+  Menu = MultiMenu({ "Fight", "Use", "Pkmn", "Flee" })
+end
+
+function love.draw()
+  Menu:draw()
+end
+
+function love.keypressed(key)
+  if key == "up" then
+    Menu:up()
+  elseif key == "down" then
+    Menu:down()
+  end
+end