[mtasc] Developing on OSX with Flash IDE, Textmate and MTASC

[Chris Sessions]

Hi all,

Based on Ben Jackson's article, 'HOWTO: Develop Flash on Mac OSX with  
Rake, MTASC, SWFMill and TextMate', here is a solution for developing  
on OSX with the Flash IDE, Textmate and MTASC.

First create a new Actionscript command in Textmate's Bundle Editor:

#!/usr/bin/env ruby
#
#  Build - recompile an existing swf using MTASC
#
#    Created by Chris Sessions on 2006-06-02.
#    Copyright (c) 2006. MIT License.

require "open3"
require "yaml"

def mtasc_compile

   Dir.chdir(ENV['TM_PROJECT_DIRECTORY'])
   yml = YAML.load(File.open('mtasc.yml'))
   cmd = "/usr/local/bin/mtasc #{ENV['TM_PROJECT_DIRECTORY']}/#{yml 
['app']} -swf #{yml['swf']} -version #{yml['player']} -cp #{yml 
['classpaths'].join(' -cp ')}"
   puts "<p style=\"color: #666;\">#{cmd}</p>"

   stdin, stdout, stderr = Open3.popen3(cmd)
   warnings = []
   errors = []

   while err = stderr.gets
     if err[0, 10] == 'Warning : '
       warnings.push(err.chomp)
     else
       m = /(.+):([0-9]+): characters ([0-9]+)/.match(err)
       if m != nil
         a = "txmt://open?url=file://#{m[1]}&line=#{m[2]}&column=#{m 
[3].to_i + 1}"
         err = "<a href=\"#{a}\">#{err}</a>"
       end
       errors.push(err.chomp)
     end
   end

   if !errors.empty?
     puts '<h1>Errors:</h1>'
     puts "<p>#{errors.uniq.join('</p><p>')}</p>"
   end

   if !warnings.empty?
     puts '<h1>Warnings:</h1>'
     puts "<p>#{warnings.uniq.join('</p><p>')}</p>"
   end

   if errors.empty? && warnings.empty?
     puts '<script type="text/javascript">self.close()</script>'
     `open #{yml['preview']}`
   end

end

if File.exist?("#{ENV['TM_PROJECT_DIRECTORY']}/mtasc.yml")

   # compile with MTASC
   mtasc_compile

else

   # compile with Flash IDE
   `echo "flash.getDocumentDOM().testMovie()" > /tmp/test.jsfl; open / 
tmp/test.jsfl;`
   puts '<script type="text/javascript">self.close()</script>'

end

I called mine "Build in MTASC" and set the key equivalent to CMD- 
Enter. I changed the "Test Movie" key equivalent to CMD-SHIFT-Enter  
so that I can still call it explicitly.

The Ruby script looks for a yaml file in your project directory (top  
level) called 'mtasc.yml', and if it finds it then it attempts to  
compile with MTASC. If it's not there the script calls up the Flash  
IDE (like Test Movie) to compile instead. Here's a sample mtasc.yml  
file:

swf:     /www/cke/slayer/htdocs/swfs/promos/burgerslayer.swf
app:     Application.as
preview: http://cke/slayer
player:  8
classpaths:
   - /www/cke/slayer/_flash
   - /www/_libraries_/as2b
   - /www/_libraries_/as2b/mtasc/std

Where swf: is the existing swf initially compiled in the Flash IDE,  
app: is your main application class, and preview: is a url to preview  
the revised swf. I don't use the -out or -main features in MTASC, but  
they could easily be plugged in.

You'll get an error if the original swf doesn't exist. If that  
happens use CMD-SHIFT-Enter to compile it in the Flash IDE.

Like Ben's example this outputs any compilation errors into an HTML  
window with links back to your code in Textmate.

Thanks to everyone for answering my questions while working this out.  
I look forward to seeing your improvements to it.

Chris Sessions
csessions at gmail.com




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