Crude gosu rendering version

ruby/bin/gosuhunt

@@ -0,0 +1,89 @@
+#!/usr/bin/env ruby
+# frozen_string_literal: true
+
+require 'gosu'
+
+require 'minehunt'
+
+class GosuHunt < Gosu::Window
+  def initialize( number_of_mines = 20 )
+    super 640, 480
+    self.caption = "Gosu Hunt"
+
+    @number_of_mines = number_of_mines
+    @field = MineHunt::Board.new( @number_of_mines )
+    @finished = false
+    @state = { dead: false, victory: false }
+  end
+
+  def button_up(id)
+    case id
+    when Gosu::KB_ESCAPE, Gosu::KB_Q
+      close
+    when Gosu::KB_R
+      @field = MineHunt::Board.new( @number_of_mines )
+      @state = { dead: false, victory: false }
+    when Gosu::KB_NUMPAD_1
+      @state = @field.move 'down-left'
+    when Gosu::KB_NUMPAD_2, Gosu::KB_DOWN
+      @state = @field.move 'down'
+    when Gosu::KB_NUMPAD_3
+      @state = @field.move 'down-right'
+    when Gosu::KB_NUMPAD_4, Gosu::KB_LEFT
+      @state = @field.move 'left'
+    when Gosu::KB_NUMPAD_6, Gosu::KB_RIGHT
+      @state = @field.move 'right'
+    when Gosu::KB_NUMPAD_7
+      @state = @field.move 'up-left'
+    when Gosu::KB_NUMPAD_8, Gosu::KB_UP
+      @state = @field.move 'up'
+    when Gosu::KB_NUMPAD_9
+      @state = @field.move 'up-right'
+    else
+      super
+    end
+
+    @finished = @state[:dead] || @state[:victory]
+  end
+
+  def update; end
+
+  def draw
+    if @state[:dead]
+      self.caption = "You died! :(, score #{@field.score}                             "
+    elsif @state[:victory]
+      self.caption = "You won!! :), score #{@field.score}                             "
+    else
+      self.caption = "#{@field.number_of_mines} mines, #{@field.count_nearby_mines} nearby, score #{@field.score}"
+    end
+
+    theme = { explorer: '()',
+              dead_explorer: '☠ ',
+              door: '=>',
+              mine: '<>',
+              cell: '██',
+              visited_cell: '  ' }
+
+    @field.height.times do |y|
+      @field.width.times do |x|
+        Gosu::Image.from_text( if [@field.explorer_x, @field.explorer_y] == [x, y]
+                                 @state[:dead] ? theme[:dead_explorer] : theme[:explorer]
+                               elsif [@field.width, @field.height] == [x + 1, y + 1]
+                                 theme[:door]
+                               elsif @field.field[[x, y]].open
+                                 theme[:visited_cell]
+                               elsif @field.field[[x, y]].mine && ( @state[:dead] || @state[:victory] )
+                                 theme[:mine]
+                               else
+                                 theme[:cell]
+                               end, 20 )
+                   .draw( x * 2 * 10, y * 20, 0 )
+      end
+    end
+  end
+end
+
+number_of_mines = 20
+number_of_mines = ARGV.first.to_i if ARGV.length == 1
+
+GosuHunt.new( number_of_mines ).show