From 6f43ae23837f8336804b9b2e20a49196f13b82ad Mon Sep 17 00:00:00 2001
From: Marcin Chrzanowski <marcin.j.chrzanowski@gmail.com>
Date: Sat, 24 Aug 2019 20:58:20 -0700
Subject: Modify state

* Welcome message handled through room
* Store last room, not last roll (fixes bug where Store would be entered
even if a different room appeared beforehand)
---
 hex_engine.rb | 94 +++++++++++++++++++++++++++++++++++++----------------------
 1 file changed, 59 insertions(+), 35 deletions(-)

(limited to 'hex_engine.rb')

diff --git a/hex_engine.rb b/hex_engine.rb
index f01adfc..cd44d56 100644
--- a/hex_engine.rb
+++ b/hex_engine.rb
@@ -8,7 +8,7 @@ class Hex < Engine
   end
 
   def hash_to_state hash
-    @state = hash['state'] || 'init'
+    @state = hash['state'] || 'play'
     @health = (hash['health'] || 6).to_i
     @endurance = (hash['endurance'] || 6).to_i
     @xp = (hash['xp'] || 49).to_i
@@ -16,19 +16,37 @@ class Hex < Engine
     @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
+    @room = str_to_room(hash['room'] || 'welcome').new self
     @messages = []
   end
 
+  def str_to_room name
+    case name
+    when 'welcome'
+      Rooms::Welcome
+    when 'store'
+      Rooms::Store
+    when 'empty'
+      Rooms::Empty
+    when 'trap'
+      Rooms::Trap
+    when 'monster'
+      Rooms::Monster
+    when 'treasure'
+      Rooms::Treasure
+    when 'stairs'
+      Rooms::Stairs
+    when 'boss'
+      Rooms::Boss
+    when 'exit'
+      Rooms::Exit
+    end
+  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 'play', 'invalid'
+      resolve_last_room command
     when 'dead'
       add_message <<~MSG.chomp
         You are dead.
@@ -40,7 +58,6 @@ class Hex < Engine
         Congratulations and thanks for playing!
       MSG
     else
-      resolve_last_room command
     end
 
     if @state == 'play'
@@ -49,41 +66,48 @@ class Hex < Engine
   end
 
   def resolve_last_room command
-    room = get_room
-    room.resolve command
+    @room.resolve command
   end
 
   def enter_next_room
     roll_room
-    room = get_room
-    room.enter
+    @room = get_room
+    @room.enter
+  end
+
+  def get_room_from_roll
+    (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).new self
   end
 
   def get_room
-    (if @xp >= 50
-      Rooms::Store
+    if @xp >= 50
+      Rooms::Store.new self
     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
+      get_room_from_roll
+    end
   end
 
   def roll_room
-    @last_roll = roll_die
+    if @next_roll != nil
+      @last_roll = @next_roll
+    else
+      @last_roll = roll_die
+    end
   end
 
   def roll_die
@@ -126,7 +150,7 @@ class Hex < Engine
     hash['keys'] = @keys
     hash['magic_weapon'] = @magic_weapon
     hash['magic_armor'] = @magic_armor
-    hash['last_roll'] = @last_roll
+    hash['room'] = @room.to_s
     hash
   end
 
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