126 lines
2.7 KiB
Lua
126 lines
2.7 KiB
Lua
require 'config'
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require 'button'
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-- Menu state class
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---@class MenuState
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---@field buttons Button[]
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MenuState = {
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buttons = {}
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}
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-- Factory function
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---@param buttons Button[] | nil
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---@return MenuState
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function MenuState:new( buttons )
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local state = {
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buttons = buttons or MenuState.buttons
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}
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setmetatable( state, { __index = self } )
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return state
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end
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-- Draw buttons
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function MenuState:draw()
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for _, button in ipairs(self.buttons) do
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button:draw()
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end
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end
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-- Update buttons
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---@param dt number
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---@param point Point
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---@param pressed boolean
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function MenuState:update( dt, point, pressed )
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for _, button in pairs(self.buttons) do
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button:update( dt, point, pressed )
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end
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end
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---@enum MenuStateIndex
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MenuStateIndex = {
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start = 'start',
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pause = 'pause',
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levels = 'levels',
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hidden = 'hidden'
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}
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local startButton = Button:new(
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Point:new( 240, 120 ),
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Point:new( 320, 80 ),
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'Start',
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nil,
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nil,
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function()
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Menu.current_state = MenuStateIndex.hidden
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GameGrid = LevelHandler:first()
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Menu.updateCellSize()
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end
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)
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local exitToMenuButton = Button:new(
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Point:new( 240, 200 ),
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Point:new( 320, 80 ),
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'Return to menu',
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nil,
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nil,
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function()
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Menu.current_state = MenuStateIndex.start
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end
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)
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local exitGameButton = Button:new(
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Point:new( 240, 240 ),
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Point:new( 320, 80 ),
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'Exit',
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nil,
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nil,
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function()
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love.event.quit()
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end
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)
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-- Menu handler
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---@class Menu
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---@field states MenuState[]
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---@field current_state MenuStateIndex
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Menu = {
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states = {
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-- Main menu
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[MenuStateIndex.start] = MenuState:new({
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startButton, exitGameButton
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}),
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-- Pause menu
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[MenuStateIndex.pause] = MenuState:new({
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exitToMenuButton
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}),
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-- Level selector
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[MenuStateIndex.levels] = MenuState:new({
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}),
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-- Empty state
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[MenuStateIndex.hidden] = MenuState:new()
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},
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current_state = MenuStateIndex.start
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}
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-- Draw current state
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function Menu:draw()
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self.states[self.current_state]:draw()
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end
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-- Update current state
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---@param dt number
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---@param point Point
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---@param pressed boolean
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function Menu:update( dt, point, pressed )
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self.states[self.current_state]:update( dt, point, pressed )
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end
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function Menu.updateCellSize()
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local width, height = love.graphics.getDimensions()
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local gridX, gridY = GameGrid.size:coords();
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local isWidthBased = (width / height) / (gridX / gridY)
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Config.cellSize = math.floor(isWidthBased and height / gridY or width / gridX)
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love.graphics.setLineWidth( Config.cellSize * Config.lineWidth )
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end
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