Conversion Tools

#===============================================================================
#  Pokemon Sprite GIF to PNG converter
#    by Luka S.J.
#    tweaked by Mej
#
#  Create a directory called "Convert" in your game's root folder
#  and place all the GIFs you want to convert in it.
#  Newly formatted PNGs will retain old GIF names.
#===============================================================================
class GifExtra
  def initialize(file=nil,viewport=nil)
    @file=file
    @sprite=SpriteWrapper.new(viewport)
    if file
      @bitmap=AnimatedBitmap.new(file)
      @sprite.bitmap=@bitmap.bitmap
    end
  end
  def totalFrames; @bitmap.totalFrames; end
  def bitmap; @bitmap.bitmap; end
  def visible=(val); @sprite.visible=val; end
  def dispose; @sprite.dispose; end
  def update
    if @bitmap
      @bitmap.update
      @sprite.update
      if self.bitmap!=@bitmap.bitmap
        oldrc=self.src_rect
        self.bitmap=@bitmap.bitmap
        self.src_rect=oldrc
      end
    end
  end
end

def readDirectoryFiles(directory,formats)
  files=[]
  Dir.chdir(directory){
    for i in 0...formats.length
      Dir.glob(formats[i]){|f| files.push(f) }
    end
  }
  return files
end

def resizePngs
  destination="./Convert/"
  search_for=["*.png"]

  @files=readDirectoryFiles(destination,search_for)
  @viewport=Viewport.new(0,0,Graphics.width,Graphics.height)
  @viewport.z=999999

  @bar=Sprite.new(@viewport)
  @bar.bitmap=Bitmap.new(Graphics.width,34)
  pbSetSystemFont(@bar.bitmap)

  for i in 0...@files.length
    @files[i]=@files[i].gsub(/.png/) {""}
  end

  return false if !Kernel.pbConfirmMessage(_INTL("There is a total of #{@files.length} PNG(s) available for conversion. Would you like to begin the process?"))
  for i in 0...@files.length
    file=@files[i]

    width=((i*1.000)/@files.length)*Graphics.width
    @bar.bitmap.clear
    @bar.bitmap.fill_rect(0,0,Graphics.width,34,Color.new(255,255,255))
    @bar.bitmap.fill_rect(0,0,Graphics.width,32,Color.new(0,0,0))
    @bar.bitmap.fill_rect(0,0,width,32,Color.new(25*4,90*2,25*4))
    text=[["#{i}/#{@files.length}",Graphics.width/2,2,2,Color.new(255,255,255),nil]]
    pbDrawTextPositions(@bar.bitmap,text)

    next if RTP.exists?("#{destination}New/#{file}.png")

    sprite=pbBitmap("#{destination}#{file}.png")
    width=sprite.width
    height=sprite.height

    bitmap=Bitmap.new(width/2,height/2)
    bitmap.stretch_blt(Rect.new(0,0,width/2,height/2),sprite,Rect.new(0,0,width,height))
    bitmap.saveToPng("#{destination}New/#{file}.png")
    sprite.dispose
    pbWait(1)
    RPG::Cache.clear
  end
  @bar.dispose
  @viewport.dispose
  Kernel.pbMessage(_INTL("Done!"))
end

def decompressGifs
  destination="./Convert/"
  search_for=["*.gif"]

  @files=readDirectoryFiles(destination,search_for)
  @viewport=Viewport.new(0,0,Graphics.width,Graphics.height)
  @viewport.z=999999

  @bar=Sprite.new(@viewport)
  @bar.bitmap=Bitmap.new(Graphics.width,34)
  pbSetSystemFont(@bar.bitmap)

  for i in 0...@files.length
    @files[i]=@files[i].gsub(/.gif/) {""}
  end

  return false if !Kernel.pbConfirmMessage(_INTL("There is a total of #{@files.length} GIF(s) available for conversion. Would you like to begin the process?"))

  for i in 0...@files.length
    file=@files[i]

    width=((i*1.000)/@files.length)*Graphics.width
    @bar.bitmap.clear
    @bar.bitmap.fill_rect(0,0,Graphics.width,34,Color.new(255,255,255))
    @bar.bitmap.fill_rect(0,0,Graphics.width,32,Color.new(0,0,0))
    @bar.bitmap.fill_rect(0,0,width,32,Color.new(25*4,90*2,25*4))
    text=[["#{i}/#{@files.length}",Graphics.width/2,2,2,Color.new(255,255,255),nil]]
    pbDrawTextPositions(@bar.bitmap,text)

    next if RTP.exists?("#{destination}#{file}.png")

    sprite=GifExtra.new("#{destination}#{file}.gif")
    frames=sprite.totalFrames
    width=sprite.bitmap.width
    height=sprite.bitmap.height
    sprite.visible=false

    if width<height
      size=height
    elsif height<width
      size=width
    else
      size=width
    end

    bitmap=Bitmap.new(size*frames,size)
    x=0
    ox=((size-width)/2)
    oy=((size-height)/2)
    rect=Rect.new(0,0,width,height)
    frames.times do
      bitmap.blt((x*size)+ox,0+oy,sprite.bitmap,rect)
      sprite.update
      x+=1
    end
    bitmap.saveToPng("#{destination}#{file}.png")
    sprite.dispose
    pbWait(1)
    RPG::Cache.clear
  end
  @bar.dispose
  @viewport.dispose
  Kernel.pbMessage(_INTL("Done!"))
end