more modular menu

menu/state.lua

@@ -0,0 +1,53 @@
+-- Menu state class
+---@class MenuState
+---@field buttons Button[]
+---@field text Text[]
+MenuState = {
+    buttons = {},
+    text = {}
+}
+
+-- Factory function
+---@param buttons Button[] | nil
+---@param text Text[] | nil
+---@return MenuState
+function MenuState:new( buttons, text )
+    local state = {
+        buttons = buttons or MenuState.buttons,
+        text = text or MenuState.text
+    }
+
+    setmetatable( state, { __index = self } )
+
+    return state
+end
+
+-- Draw buttons
+function MenuState:draw()
+    for _, button in ipairs(self.buttons) do
+        button:draw()
+    end
+    for _, txt in ipairs(self.text) do
+        txt:draw()
+    end
+end
+
+-- Update buttons
+---@param dt number
+---@param point Point
+---@param pressed boolean
+function MenuState:update( dt, point, pressed )
+    for _, button in pairs(self.buttons) do
+        button:update( dt, point, pressed )
+    end
+end
+
+---@enum MenuStateIndex
+MenuStateIndex = {
+    start = 'start',
+    pause = 'pause',
+    levels = 'levels',
+    hidden = 'hidden',
+    completed = 'completed'
+}
+