[VX] RM2k/2k3 Graphics v1.5

# RM2k/2k3 Graphics v. 1.5
# VX version
# by mikb89

# Details:
#  With this script you can use graphic files with a lower resolution, similar
#   to the older RPG Maker. The size of the graphic will be doubled once drawn.
#
#  MidGraphics folder contains resized images, while Graphics is used by the
#   application, as usually.
#  The problem is that the tool CAN'T double images WHILE making your project,
#   so we have to carry a double-copy of images, to use them in the project.
#  If you use other images or modify those existing, insert them in MidGraphics.
#  Next, do a copy of them which is double-sized and insert in Graphics at the
#   same location. No matter quality, it's just for pratical purpuose.
#  Once you release the game, get rid (but not permanently!) of Graphics
#   let MidGraphics take his place by renaming in Graphics and you're ready.
#  During test, in fact, images are taken from MidGraphics, but in normal
#   playing (by opening Game.exe) they came from Graphics. This way you can
#   release the project as usual also by menu File option and everything will
#   work, included criptation for ones who care about image copyright.

# Configurations:
module RM2K
  FONT_TYPE = 1
   # You can choose between:
    # 0: Nothing to say, just tipical text.
    # 1: Tipical of RPG Maker 2k/2k3. Color depends by EACH pixel in windowskin
    #     color and characters come from the Font.png image inside System.
    #     Characters max size is 8x8 but don't worry about the i: if there are
    #     empty spaces before or after the character, they'll be trimmed.
    #    For bold and italic the image is FontBI, for just bold it's FontB and
    #     for italic, FontI.
    # 2: Usual font. The only thing to know is that the text is stretched then
    #     enlarged. That because the normal font (in my opinion) doesn't fit
    #     with the doubled images style.
    # 3: Characters in separated image files. Create inside System a Fonts
    #     folder; inside this, insert the characters as f0, f1, f2 with the
    #     number part representing the ASCII code (e.g. f49 is the zero).
    #    For bold characters folder name will be B, I for italic, BI for both.
    #     B, I, BI must be placed inside Fonts.
    #    In this drawing type, characters width depend on image width.
   # Other numbers: won't see anything... may somebody like it?

  BLUR_SCREEN_ON_MENU = false
   # Background map bitmap is commonly blurred when accessing menus. Setting
   #  false will remove this effect.


  # Advanced settings. Don't touch unless you know what you're doing.

  STANDARD_FONT_SIZE = Font.default_size
   # Needed for measuring the amount of resizing for character in images.
end

#Codename: rm2k

($imported ||= {})[:mikb89_rm2k] = true

# License:
# - You can ask me to include support for other scripts as long as these scripts
#   use the $imported[script] = true;
# - You can modify and even repost my scripts, after having received a response
#   by me. For reposting it, anyway, you must have done heavy edit or porting,
#   you can't do a post with the script as is;
# - You can use my scripts for whatever you want, from free to open to
#   commercial games. I'd appreciate by the way if you let me know about what
#   you're doing;
# - You must credit me, if you use this script or part of it.

# Codice per codifica accentate
class String
#class String#def conv()
  def conv # convert to a byte array
    ns = []
    add_n = false
    self.each_byte {|b|
      if add_n
        ns.push(b+64)
        add_n = false
      elsif b < 128
        ns.push(b)
        add_n = false
      else
        add_n = true
      end
    }
    ns
  end
end

class Fixnum
#class Fixnum#def conv()
  def conv # convert to a byte array
    ns = []
    self.to_s.each_byte {|b| ns << b}
    ns
  end
end

# Codice vecchio
class Scene_Base; unless RM2K::BLUR_SCREEN_ON_MENU
#class Scene_Base#def snapshot_for_background() <- rewritten
  def snapshot_for_background
    $game_temp.background_bitmap.dispose
    $game_temp.background_bitmap = Graphics.snap_to_bitmap
  end
end; end

class Font
  attr_writer :font_type
#class Font#def self.default_font_type()
  def self.default_font_type
    @default_font_type = RM2K::FONT_TYPE if @default_font_type == nil
    @default_font_type
  end
#class Font#def self.default_font_type=(dm)
  def self.default_font_type=(dm)
    @default_font_type = dm
  end
#class Font#def font_type()
  def font_type
    @font_type = Font.default_font_type if @font_type == nil
    @font_type
  end
end

class Bitmap
#class Bitmap#def double()
  def double
    b = Bitmap.new(width*2, height*2)
    b.stretch_blt(b.rect, self, rect)
    b
  end
#class Bitmap#def tru_img()
  def tru_img # get the image without trasparent left and right borders
    sx, fx = width-1, 0
    c = Color.new(0,0,0)
    for x in 0...width
      e = false
      for y in 0...height
        if get_pixel(x,y) == c
          e = true
          break
        end
      end
      if e == true
        sx = x
        break
      end
    end
    for x in 1...width
      e = false
      for y in 0...height
        if get_pixel(width-x,y) == c
          e = true
          break
        end
      end
      if e == true
        fx = width-x
        break
      end
    end
    if fx+1 > sx
      bit = Bitmap.new(fx-sx+1,height)
      bit.blt(0,0,self,Rect.new(sx,0,fx-sx+1,height))
      return bit
    else
      return Bitmap.new(width/2,height)
    end
  end
#class Bitmap#def recolour(ind)
  def recolour(ind) # color change from c to ind(ex) in Window.png/cache
    c = Color.new(0,0,0)
    dum = Bitmap.new(8,8)
    if ind < 32
      dum.blt(0,0,Cache.system("Window"),Rect.new(64+(ind%8)*8,96+(ind/8)*8,8,8))
    else
      dum.fill_rect(dum.rect, text_color(ind))
    end
    for x in 0...width
      for y in 0...height
        set_pixel(x,y,dum.get_pixel(x,y)) if get_pixel(x,y) == c
      end
    end
  end
#class Bitmap#def color_ind(col)
  def color_ind(col) # get the index of color if found in palette or cache
    for i in 0...32
      return i if text_color(i).red == col.red &&
                  text_color(i).green == col.green &&
                  text_color(i).blue == col.blue
    end
    @@xtra_col ||= []
    for c in 0...@@xtra_col.size
      return 32+c if @@xtra_col[c].red == col.red &&
                     @@xtra_col[c].green == col.green &&
                     @@xtra_col[c].blue == col.blue
    end
    @@xtra_col.push(col)
    return 31+@@xtra_col.size
  end
#class Bitmap#def text_color(n)
  def text_color(n) # get color from palette or from cache
    if n < 32
      x = 64 + (n % 8) * 8
      y = 96 + (n / 8) * 8
      return Cache.system("Window").get_pixel(x, y)
    end
    return Color.new(0,0,0) if (@@xtra_col ||= []).size <= n-32
    return @@xtra_col[n-32]
  end
  alias_method(:text_size_b4_rm2k, :text_size) unless method_defined?(:text_size_b4_rm2k)
#class Bitmap#def text_size(str) <- aliased
  def text_size(str)
    m = font.font_type
    case m
    when 1,3
      f = "Font" + ((m == 3) ? "s" : "")
      f += "/" if m==3 && font.bold || font.italic
      f += "B" if font.bold
      f += "I" if font.italic
      fh = (font.size*16)/RM2K::STANDARD_FONT_SIZE
      e = font.shadow ? 1 : 0
      for b in str.conv
        b = "f" + b.to_s if m==3
        img = Cache.system(f, b)
        e += img.width+2
      end
      return Rect.new(0,4-(fh-16)/2,e,fh)
    when 0,2
      return text_size_b4_rm2k(str)
    end
    return Rect.new(0,0,1,1)
  end
  alias_method(:draw_text_b4_rm2k, :draw_text) unless method_defined?(:draw_text_b4_rm2k)
#class Bitmap#def draw_text(*t) <- aliased
  def draw_text(*t)
    case t.size
    when 2,3
      x,y,w,h,s,a = t[0].x,t[0].y,t[0].width,t[0].height,t[1],t.size==3 ? t[2] : 0
    when 5,6
      x,y,w,h,s,a = t[0],t[1],t[2],t[3],t[4],t.size==6 ? t[5] : 0
    end
    m = font.font_type
    case m
    when 0 # nessun cambiamento
      draw_text_b4_rm2k(x,y,w,h,s,a)
    when 1 # usa una tavolozza font 8x8
      f = "Font"
      f += "B" if font.bold
      f += "I" if font.italic
      plus = 0
      ts = text_size(s)
      plus = w/2 - ts.width/2 - 1 if a == 1
      plus = w - ts.width if a == 2
      fh = (font.size*16)/RM2K::STANDARD_FONT_SIZE
      e = 0
      for b in s.conv
        x_b = x+plus+e
        y_b = y + h/2 - ts.height/2
        if font.shadow
          img = Cache.system(f, b)
          iw = img.width
          stretch_blt(Rect.new(x_b+2,y_b+2,iw,fh),img,Rect.new(0,0,iw,16))
        end
        img = Cache.system(f, b, color_ind(font.color))
        iw = img.width
        stretch_blt(Rect.new(x_b,y_b,iw,fh),img,Rect.new(0,0,iw,16), font.color.alpha)
        e += iw+2
      end
    when 2 # usa font normale
      b = Bitmap.new(w/2,h/2)
      b.font = font.clone
      b.font.size = font.size/2
      b.draw_text_b4_rm2k(0,0,w/2,h/2,s,a)
      stretch_blt(Rect.new(x,y,w,h), b, b.rect)
      b.dispose
    when 3 # usa file immagine Wx8 in cartelle (dove W è variabile)
      f = "Fonts"
      if font.bold
        f += "/B"
        f += "I" if font.italic
      elsif font.italic
        f += "/I"
      end
      plus = 0
      ts = text_size(s)
      plus = w/2 - ts.width/2 - 1 if a == 1
      plus = w - ts.width if a == 2
      fh = (font.size*16)/RM2K::STANDARD_FONT_SIZE
      e = 0
      for b in s.conv
        x_b = x+plus+e
        y_b = y + h/2 - ts.height/2
        if font.shadow
          img = Cache.system(f, "f"+b.to_s)
          iw = img.width
          stretch_blt(Rect.new(x_b+2,y_b+2,iw,fh),img,Rect.new(0,0,iw,16))
        end
        img = Cache.system(f, "f"+b.to_s, color_ind(font.color))
        iw = img.width
        stretch_blt(Rect.new(x_b,y_b,iw,fh),img,Rect.new(0,0,iw,16), font.color.alpha)
        e += iw+2
      end
    end
  end
end

module Cache
#module Cache#def self.system(filename, ind, col) <- rewritten
  def self.system(filename, ind = "", col = "")
    load_bitmap("Graphics/System/", filename, 0, ind, col)
  end
#module Cache#def self.load_bitmap(folder_name, filename, hue, ind, col) <- rewritten
  def self.load_bitmap(folder_name, filename, hue = 0, ind = "", col = "")
    @cache ||= {}
    plus = $TEST ? "Mid" : ""
    path = trupath = plus + folder_name + filename
    path += ":" + ind.to_s + ":" + col.to_s if (ind != "" || col != "")
    if not @cache.include?(path) or @cache[path].disposed?
      if filename.empty?
        @cache[path] = Bitmap.new(32, 32)
      else
        if ind != ""
          if ind[0] != "f"[0]
            bit = Bitmap.new(trupath)
            buf = Bitmap.new(8,8)
            px = (ind%16)*8
            py = (ind/16)*8
            buf.blt(0,0,bit,Rect.new(px,py,8,8))
            bit = buf.tru_img
            buf.dispose
          else
            if FileTest.exist?(trupath+"/"+ind+".png")
              bit = Bitmap.new(trupath+"/"+ind)
            else
              bit = Bitmap.new(1,16)
            end
          end
          bit.recolour(col) if col != ""
        else
          bit = Bitmap.new(trupath)
        end
        @cache[path] = bit.double
      end
    end
    if hue == 0
      return @cache[path]
    else
      key = [path, hue]
      if not @cache.include?(key) or @cache[key].disposed?
        @cache[key] = @cache[path].clone
        @cache[key].hue_change(hue)
      end
      return @cache[key]
    end
  end
end