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# DREAM for Music Files by Blizzard
# Version: 4.5
# Type: Encrpytor / Decryptor / Audio File Player
# uses DREAM v4.0 or higher
# Date: 19.8.2007
# Date v1.0b: 22.8.2007
# Date v1.01b: 27.8.2007
# Date v1.02b: 24.9.2007
# Date v1.03b: 14.12.2007
# Date v4.5: 23.3.2019
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# 
#   This work is licensed under BSD License 2.0:
# 
# #----------------------------------------------------------------------------
# #  
# # Copyright (c) Boris "Blizzard" Mikić
# # All rights reserved.
# # 
# # Redistribution and use in source and binary forms, with or without
# # modification, are permitted provided that the following conditions are met:
# # 
# # 1.  Redistributions of source code must retain the above copyright notice,
# #     this list of conditions and the following disclaimer.
# # 
# # 2.  Redistributions in binary form must reproduce the above copyright
# #     notice, this list of conditions and the following disclaimer in the
# #     documentation and/or other materials provided with the distribution.
# # 
# # 3.  Neither the name of the copyright holder nor the names of its
# #     contributors may be used to endorse or promote products derived from
# #     this software without specific prior written permission.
# # 
# # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# # ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
# # LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# # POSSIBILITY OF SUCH DAMAGE.
# #  
# #----------------------------------------------------------------------------
# 
#   You may use this script for both non-commercial and commercial products
#   without limitations as long as you fulfill the conditions presented by the
#   above license. The "complete" way to give credit is to include the license
#   somewhere in your product (e.g. in the credits screen), but a "simple" way
#   is also acceptable. The "simple" way to give credit is as follows:
# 
#     DREAM for Music Files licensed under BSD License 2.0
#     Copyright (c) Boris "Blizzard" Mikić
# 
#   Alternatively, if your font doesn't support diacritic characters, you may
#   use this variant:
# 
#     DREAM for Music Files licensed under BSD License 2.0
#     Copyright (c) Boris "Blizzard" Mikic
# 
#   In general other similar variants are allowed as long as it is clear who
#   the creator is (e.g. "DREAM for Music Files created by Blizzard" is
#   acceptable). But if possible, prefer to use one of the two variants listed
#   above.
# 
#   If you fail to give credit and/or claim that this work was created by you,
#   this may result in legal action and/or payment of damages even though this
#   work is free of charge to use normally.
# 
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# 
#   DO TOUCH THE VALUE BELOW! If you change the required version to a lower
#   value your script WILL malfunction, because older DREAM version don't have
#   all the methods and functions required by this script.
Required_DREAM_Version = 4.4
# 
# 
# Compatibility:
# 
#   98% compatible with SDK 1.x. 90% compatible with SDK 2.x. 99% compatible
#   with everything else. WILL corrupt your old savegames. Can cause
#   incompatibility issues with custom CMSes that change music playing methods
#   in Game_System. NEEDS DREAM of the provided version or higher. Files will
#   be saved into "DREAM Encrypted Audio" format with .dea extension.
# 
# 
# Features:
# 
#   - encrypts your Audio files in a way, so you can encrypt them together with
#     Data Files and decrease the chance of music theft
#   - decrypts and plays the .dea files
# 
# new in v1.0b:
#   - rewritten conditions using classic syntax to avoid RGSS conditioning bug
#   - now beta
# 
# new in v1.01b:
#   - compatible with StromTronics CMS v5.0b and higher
# 
# new in v1.02b:
#   - improved coding
# 
# new in v1.03b:
#   - fixed a bbug cause by a typing mistake
# 
# new in v4.5:
#   - now uses DREAM v4.4
#   - added new license
#   - added usage and crediting instructions
# 
# 
# Configuration:
# 
#   If you set ENCRYPT_AUDIO to true the script will encrypt the audio files
#   you have specified in AUDIO_FOR_ENCRYPTION and exit the application. If you
#   have set ENCRYPT_AUDIO to false, you can play the game normally and the
#   script will play the newly created files. All files go into the Data folder
#   organized as if they were in the normal Audio folders.
#   
#   Examples:
#   
#   - old locations and names:
#     Audio/BGM/Outskirts.mp3
#     Audio/BGS/Blizzard.ogg
#     Audio/ME/Victory.mid
#     Audio/SE/Explosion.wav
# 
#   - new locations and names:
#     Data/Audio/BGM/Outskirts.dea
#     Data/Audio/BGS/Blizzard.dea
#     Data/Audio/ME/Victory.dea
#     Data/Audio/SE/Explosion.dea
# 
#   Put all files in the main game folder if you want to encrypt them.
# 
# 
# IMPORTANT NOTES:
# 
#   This script will encrypt audio files and save it into .dea format. A file
#   in .dea format can't be player by any normal media anymore, so be don't
#   delete your old files in case you want to edit them or anything similar.
#   If you use this script without having encrypted all your .dea files, your
#   game will crash.
# 
# 
# If you find any bugs, please report them here:
# http://forum.chaos-project.com
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#::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
# START Configuration
#::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

# turn on to create .dea files
ENCRYPT_AUDIO = false
# include audio file names WITH extension
AUDIO_FOR_ENCRYPTION = ['001-Battle01.mid']

#::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
# END Configuration
#::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

# ensures compatiblity
$dream_music = true

#==============================================================================
# DREAM_ext controller
#==============================================================================

module DREAM
  
  def self.self_extract
    data = load_data('Data/DREAM_ext.rb')
    file = File.open("#{File.dirname('Game')}/DREAM_ext.rb", 'wb')
    file.write(data)
    file.close
    require File.expand_path('DREAM_ext.rb')
    self.load_DREAM
  end
  
end

DREAM.self_extract

#==============================================================================
# Audio File Encyption
#==============================================================================

if ENCRYPT_AUDIO
  AUDIO_FOR_ENCRYPTION.each {|filename|
      DREAM.encrypt_audio_file(filename, '.dea file')
      Graphics.update}
  exit
end

#==============================================================================
# Game_System
#==============================================================================

class Game_System
  
  def bgm_play(bgm)
    @playing_bgm = bgm
    if bgm != nil && bgm.name != ''
      DREAM.play_encrypted_audio('Audio/BGM/', bgm, 0)
    else
      Audio.bgm_stop
    end
    Graphics.frame_reset
  end
  
  def bgs_play(bgs)
    @playing_bgs = bgs
    if bgs != nil && bgs.name != ''
      DREAM.play_encrypted_audio('Audio/BGS/', bgs, 1)
    else
      Audio.bgs_stop
    end
    Graphics.frame_reset
  end
  
  def me_play(me)
    if me != nil && me.name != ''
      DREAM.play_encrypted_audio('Audio/ME/', me, 2)
    else
      Audio.me_stop
    end
    Graphics.frame_reset
  end
  
  def se_play(se)
    if se != nil && se.name != ''
      DREAM.play_encrypted_audio('Audio/SE/', se, 3)
    end
  end
  
end