BGM修正

lib/main.rb

@@ -46,7 +46,7 @@ begin
   WM::set_caption("MyCard", "MyCard")
   WM::icon = Surface.load("graphics/system/icon.gif")
   $screen = Screen.open($config['screen']['width'], $config['screen']['height'], 0, HWSURFACE | ($config['screen']['fullscreen'] ? FULLSCREEN : 0))
-  Mixer.open(Mixer::DEFAULT_FREQUENCY,Mixer::DEFAULT_FORMAT,Mixer::DEFAULT_CHANNELS,4096)
+  Mixer.open(Mixer::DEFAULT_FREQUENCY,Mixer::DEFAULT_FORMAT,Mixer::DEFAULT_CHANNELS,1024)
   Mixer.set_volume_music(60)
   TTF.init
   Thread.abort_on_exception = true
@@ -96,7 +96,7 @@ begin
   $scene.main while $scene
 rescue Exception => exception
   exception.backtrace.each{|backtrace|break if backtrace =~ /^(.*)\.rb:\d+:in `.*'"$/} #由于脚本是从main.rb开始执行的，总会有个能匹配成功的文件
-  $log.fatal($1){[exception.inspect, *exception.backtrace].collect{|str|str.encode("UTF-8")}.join("\n")}
+  $log.fatal($1){[exception.inspect, *exception.backtrace].collect{|str|str.force_encoding("UTF-8")}.join("\n")}
   $game.exit if $game
   require_relative 'scene_error'
   $scene = Scene_Error.new

lib/ogginfo.rb

-# $Id$
-# = Description
-#
-# ruby-ogginfo gives you access to low level information on ogg files
-# (bitrate, length, samplerate, encoder, etc... ), as well as tag.
-# It is written in pure ruby.
-#
-#
-# = Download
-#
-#
-# http://rubyforge.org/projects/ruby-ogginfo/
-#
-#
-# = Generate documentation
-# 
-# rdoc --template=kilmer ogginfo.rb
-#
-#
-# = Changelog
-#
-# [0.1 20/06/2004]
-# 
-# * first public version
-#
-#
-# License:: Ruby
-# Author:: Guillaume Pierronnet (mailto:moumar_AT__rubyforge_DOT_org)
-# Website:: http://ruby-ogginfo.rubyforge.org/
-#
-# see http://www.xiph.org/ogg/vorbis/docs.html for documentation on vorbis format
-# http://www.xiph.org/ogg/vorbis/doc/v-comment.html
-
-#require "iconv"
-
-# Raised on any kind of error related to ruby-ogginfo
-class OggInfoError < StandardError ; end
-
-class OggInfo
-=begin
-  FIELDS_MAPPING = {
-    "title" => "songname",
-    "artist" => "artist",
-    "album" => "album",
-    "date" => "year",
-    "description" => "comment",
-    "tracknumber" => "tracknum",
-    "genre" => "genre"
-  }
-=end
-  attr_reader :channels, :samplerate, :bitrate, :tag, :length
-
-  def initialize(filename, charset = "iso-8859-1")
-    begin
-      @file = File.new(filename, "rb")
-      find_page()
-      extract_infos()
-      find_page()
-      extract_tag(charset)
-      extract_end()
-    ensure
-      close
-    end
-  end
-
-  # "block version" of ::new()
-  def self.open(filename)
-    m = self.new(filename)
-    ret = nil
-    if block_given?
-      begin
-        ret = yield(m)
-      ensure
-        m.close
-      end
-    else
-      ret = m
-    end
-    ret
-  end
-
-  def close
-      @file.close if @file and not @file.closed?
-  end
-
-  def hastag?
-    not @tag.empty?
-  end
-  
-  def to_s
-    "channels #{@channels} samplerate #{@samplerate} bitrate #{@bitrate} length #{@length}"
-  end
-
-private
-  def find_page
-    header = 'OggS' # 0xf4 . 0x67 . 0x 67 . 0x53
-    bytes = @file.read(4)
-    bytes_read = 4
-
-    while header != bytes
-      #raise OggInfoError if bytes_read > 4096 or @file.eof? #bytes.nil?
-      raise OggInfoError if @file.eof? #bytes.nil?
-      bytes.slice!(0)
-      char = @file.read(1)
-      bytes_read += 1
-      bytes << char
-    end
-  end
-
-  def extract_infos
-#    @bitrate = {}
-    @file.seek(35, IO::SEEK_CUR) # seek after "vorbis"
-#    @channels, @samplerate, @bitrate["upper"], @bitrate["nominal"], @bitrate["lower"] = 
-    @channels, @samplerate, up_br, br, down_br = 
-      @file.read(17).unpack("CV4")
-    @bitrate = 
-      if br == 0
-        if up == 2**32 - 1 or down == 2**32 - 1 
-	  0
-	else
-	  (up_br + down_br)/2
-	end
-      else 
-        br
-      end
-  end
-
-  def extract_tag(charset)
-    @tag = {}
-    @file.seek(22, IO::SEEK_CUR)
-    segs = @file.read(1).unpack("C")[0]
-    @file.seek(segs + 7, IO::SEEK_CUR)
-    size = @file.read(4).unpack("V")[0]
-    @file.seek(size, IO::SEEK_CUR)
-    tag_size = @file.read(4).unpack("V")[0]
-    #ic = Iconv.new(charset, "utf8")
-    tag_size.times do |i|
-      size = @file.read(4).unpack("V")[0]
-      com = @file.read(size)
-      comment = com
-      comment.force_encoding "UTF-8"
-   #   begin
-   #     comment = ic.iconv( com )
-   #   rescue Iconv::IllegalSequence, Iconv::InvalidCharacter
-   #     comment = com
-   #   end
-      key, val = comment.split(/=/)
-      @tag[key.downcase] = val
-    end
-    #ic.close
-  end
-
-  def extract_end
-    begin #Errno::EINVAL
-      @file.seek(-5000, IO::SEEK_END) #FIXME size of seeking
-      find_page
-      pos = @file.read(6).unpack("x2 V")[0] #FIXME pos is int64
-      @length = pos.to_f / @samplerate
-    rescue Errno::EINVAL
-      @length = 0
-    end
-  end
-end
-
-if $0 == __FILE__
-  while filename = ARGV.shift
-    puts "Getting info from #{filename}"
-    begin
-      ogg = OggInfo.new(filename)
-    rescue OggInfoError
-     puts "error: doesn't appear to be an ogg file"
-    else
-      puts ogg
-      ogg.tag.each { |key, value|
-        puts "#{key} => #{value}"
-      }
-    end
-    puts
-  end
-end
\ No newline at end of file

lib/scene.rb

@@ -7,7 +7,7 @@
 require_relative 'fpstimer'
 require_relative 'game'
 require_relative 'window_bgm'
-require_relative 'ogginfo'
+require 'ogginfo'
 require_relative 'widget_inputbox'
 class Scene
   attr_reader :windows
@@ -55,7 +55,8 @@ class Scene
       @@bgm.destroy if @@bgm
       @@bgm = Mixer::Music.load "audio/bgm/#{bgm}"
       Mixer.fade_in_music(@@bgm, -1, 800)
-      @bgm_window = Window_BGM.new OggInfo.new("audio/bgm/#{bgm}", "UTF-8").tag["title"]
+      title = OggInfo.new("audio/bgm/#{bgm}").tag["title"]
+      @bgm_window = Window_BGM.new title if title and !title.empty?
       @@last_bgm = bgm
     end
   end