Emscripten 002

Emscripten.scala

import sbt._
import sbt.Keys._
import java.io.File
import play.Keys._
import play.PlayExceptions._
import play.PlaySourceGenerators

object EmscriptenKeys {
  val eccFiles = taskKey[PathFinder]("C/C++ files to be compiled")
  val eccCompiler = settingKey[String]("Path to Emscripten compiler")
}

object EmscriptenSettings {
  import EmscriptenKeys._
  
  val settings = Seq(
    eccCompiler := "emcc",
    eccFiles <<= (sourceDirectory in Compile) map ( _   ** "*.cpp" ),
    resourceGenerators in Compile <+= (eccFiles, eccCompiler, resourceManaged) map { (files, eccCompilerString, resourceManaged) =>
      println("Compile: " + files.get.mkString(",") + " with " + eccCompilerString + " output directory: " + (resourceManaged / "main" / "public"))
      Seq.empty[File]
    }
  )
}


object EmscriptenPlugin extends Plugin {
  import EmscriptenKeys._

  override lazy val projectSettings: Seq[Setting[_]] = EmscriptenSettings.settings

}