From e3afffc91d678301fcf7660db541cacc8b7a4e8d Mon Sep 17 00:00:00 2001
From: Marcin Chrzanowski <marcin.j.chrzanowski@gmail.com>
Date: Sat, 17 Aug 2019 23:31:13 -0700
Subject: Initial commit

---
 hex_engine.rb | 140 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 140 insertions(+)
 create mode 100644 hex_engine.rb

(limited to 'hex_engine.rb')

diff --git a/hex_engine.rb b/hex_engine.rb
new file mode 100644
index 0000000..f01adfc
--- /dev/null
+++ b/hex_engine.rb
@@ -0,0 +1,140 @@
+require './engine'
+require './rooms'
+
+class Hex < Engine
+  attr_accessor :state, :health, :endurance, :xp, :level, :keys, :magic_weapon, :magic_armor
+  def initialize hash
+    super
+  end
+
+  def hash_to_state hash
+    @state = hash['state'] || 'init'
+    @health = (hash['health'] || 6).to_i
+    @endurance = (hash['endurance'] || 6).to_i
+    @xp = (hash['xp'] || 49).to_i
+    @level =( hash['level'] || 1).to_i
+    @keys = (hash['keys'] || 0).to_i
+    @magic_weapon = (hash['magic_weapon'] || 0).to_i
+    @magic_armor = (hash['magic_armor'] || 0).to_i
+    @last_roll = (hash['last_roll'] || 0).to_i
+    @messages = []
+  end
+
+  def step command
+    case @state
+    when 'init'
+      add_message <<~MSG.chomp
+        A curse has infested an ancient keep near your town.
+        The evil magic has filled the keep with monsters.
+        Can you save your home from this Hex?
+      MSG
+      @state = 'play'
+    when 'dead'
+      add_message <<~MSG.chomp
+        You are dead.
+        Thanks for playing! Better luck next time.
+      MSG
+    when 'win'
+      add_message <<~MSG.chomp
+        You have slain the monsters and emerge from the keep victorious!
+        Congratulations and thanks for playing!
+      MSG
+    else
+      resolve_last_room command
+    end
+
+    if @state == 'play'
+      enter_next_room
+    end
+  end
+
+  def resolve_last_room command
+    room = get_room
+    room.resolve command
+  end
+
+  def enter_next_room
+    roll_room
+    room = get_room
+    room.enter
+  end
+
+  def get_room
+    (if @xp >= 50
+      Rooms::Store
+    else
+      case @last_roll + @keys
+      when 1, 3
+        Rooms::Empty
+      when 2
+        Rooms::Trap
+      when 4, 5
+        Rooms::Monster
+      when 6
+        Rooms::Treasure
+      when 7
+        Rooms::Stairs
+      when 8
+        Rooms::Boss
+      when 9
+        Rooms::Exit
+      end
+    end).new self
+  end
+
+  def roll_room
+    @last_roll = roll_die
+  end
+
+  def roll_die
+    1 + rand(6)
+  end
+
+  def add_message message
+    @messages.push(message)
+  end
+
+  def update_with_bonus current, update, bonus
+    if update < 0
+      current + [update + bonus, 0].min
+    else
+      current + update
+    end
+  end
+
+  def update_health health
+    @health = update_with_bonus @health, health, @magic_armor
+  end
+
+  def update_endurance endurance
+    @endurance = update_with_bonus @endurance, endurance, @magic_weapon
+  end
+
+  def update_hex health, endurance, xp
+    update_health health
+    update_endurance endurance
+    @xp += xp
+  end
+
+  def state_to_hash
+    hash = {}
+    hash['state'] = @state
+    hash['health'] = @health
+    hash['endurance'] = @endurance
+    hash['xp'] = @xp
+    hash['level'] = @level
+    hash['keys'] = @keys
+    hash['magic_weapon'] = @magic_weapon
+    hash['magic_armor'] = @magic_armor
+    hash['last_roll'] = @last_roll
+    hash
+  end
+
+  def message
+    <<~MSG
+      H: #{@health} E: #{@endurance} X: #{@xp} Keys: #{@keys}
+      Weapon: #{@magic_weapon} Armor: #{@magic_armor} Level: #{@level}
+      #{@messages.join "\n"}
+    MSG
+  end
+end
-- 
cgit v1.2.3