Add iOS and tvOS support

8 files changed, 301 insertions, 69 deletions

diff --git a/README.md b/README.md
index 4eafddc..51e2473 100644
--- a/README.md
+++ b/README.md
@@ -19,7 +19,7 @@ git submodule init
 git submodule update --remote
 ```
 
-Update these submodules at any time using `git submodule update --remote`
+Update these submodules at any time using `git submodule update --remote` or the `rake update` task.
 
 Next, install dependencies:
 - With [Bundler](http://bundler.io), run `bundle install` to get the required development gems.
diff --git a/Rakefile b/Rakefile
index 6125d4e..3c0d1cc 100644
--- a/Rakefile
+++ b/Rakefile
@@ -32,17 +32,19 @@ end
 
 def run_mri_test(file)
   print_task "Running MRI test: #{file}.rb"
-  system "( cd test/ && ruby #{file}.rb )"
+  run_cmd "( cd test/ && ruby #{file}.rb )"
 end
 
 def run_native_test(file)
   print_task "Running native test: #{file}.rb"
+  run_cmd "ruby2d build --clean"
   run_cmd "ruby2d build --native test/#{file}.rb --debug"
-  system "( cd test/ && ../build/app )"
+  run_cmd "( cd test/ && ../build/app )"
 end
 
 def run_web_test(file)
   print_task "Running web test: #{file}.rb"
+  run_cmd "ruby2d build --clean"
   run_cmd "ruby2d build --web test/#{file}.rb --debug"
   open_cmd = 'open'
   case RUBY_PLATFORM
@@ -51,7 +53,13 @@ def run_web_test(file)
   when /mingw/
     open_cmd = "start"
   end
-  system "#{open_cmd} build/app.html"
+  run_cmd "#{open_cmd} build/app.html"
+end
+
+def run_apple_test(device)
+  run_cmd "ruby2d build --clean"
+  run_cmd "ruby2d build --#{device} test/triangle-ios-tvos.rb --debug"
+  run_cmd "ruby2d launch --#{device}"
 end
 
 # Tasks
@@ -76,6 +84,11 @@ task :install do
   run_cmd "gem install ruby2d-#{Ruby2D::VERSION}.gem --local --verbose"
 end
 
+desc "Update submodules"
+task :update do
+  run_cmd "git submodule update --remote"
+end
+
 desc "Run the RSpec tests"
 RSpec::Core::RakeTask.new do |t|
   print_task "Running RSpec"
@@ -100,6 +113,19 @@ namespace :test do
     get_args
     run_web_test ARGV[1]
   end
+
+  desc "Run iOS test"
+  task :ios do
+    print_task "Running iOS test"
+    run_apple_test('ios')
+  end
+
+  desc "Run tvOS test"
+  task :tvos do
+    print_task "Running tvOS test"
+    run_apple_test('tvos')
+  end
+
 end
 
 desc "Uninstall, build, install, and test"
diff --git a/assets b/assets
-Subproject dc5064b4a104e4cd3b3518ac18430291e6ad51a
+Subproject a063585233cde9839b4f8bab3bf734088ba356b
diff --git a/bin/ruby2d b/bin/ruby2d
index 03f455b..5c11a67 100755
--- a/bin/ruby2d
+++ b/bin/ruby2d
@@ -6,7 +6,7 @@ require 'fileutils'
 class String
   def colorize(c); "\e[#{c}m#{self}\e[0m" end
   def bold;  colorize('1')    end
-  def error; colorize('4;31') end
+  def error; colorize('1;31') end
 end
 
 # The installed gem directory
@@ -32,11 +32,14 @@ end
   'music'
 ]
 
+# Debugging command-line flag
+@debug = false
+
 
 # Check if source file provided is good
 def check_build_src_file(rb_file)
   if !rb_file
-    puts "Please provide a Ruby file to build."
+    puts "Please provide a Ruby file to build"
     exit
   elsif !File.exists? rb_file
     puts "Can't find file: #{rb_file}"
@@ -76,6 +79,7 @@ end
 
 # Build a native version of the provided Ruby application
 def build_native(rb_file)
+  check_build_src_file(rb_file)
 
   # Check if MRuby exists; if not, quit
   if `which mruby`.empty?
@@ -88,11 +92,7 @@ def build_native(rb_file)
   `mrbc -Bruby2d_lib -obuild/lib.c build/lib.rb`
 
   # Read the provided Ruby source file, copy to build dir and compile to bytecode
-
-  File.open('build/src.rb', 'w') do |file|
-    file << strip_require(rb_file)
-  end
-
+  File.open('build/src.rb', 'w') { |file| file << strip_require(rb_file) }
   `mrbc -Bruby2d_app -obuild/src.c build/src.rb`
 
   # Combine contents of C source files and bytecode into one file
@@ -103,9 +103,12 @@ def build_native(rb_file)
     f << File.read("#{@gem_dir}/ext/ruby2d/ruby2d.c")
   end
 
-  # Compile to native executable
+  # Compile to a native executable
   `cc build/app.c -lmruby \`simple2d --libs\` -o build/app`
 
+  # Clean up
+  clean_up unless @debug
+
   # Success!
   puts "Native app created at `build/app`"
 end
@@ -113,19 +116,15 @@ end
 
 # Build a web-based version of the provided Ruby application
 def build_web(rb_file)
+  check_build_src_file(rb_file)
 
   # Assemble the Ruby 2D library in one `.rb` file and compile to JS
   make_lib
   `opal --compile --no-opal build/lib.rb > build/lib.js`
 
   # Read the provided Ruby source file, copy to build dir, and compile to JS
-
-  File.open('build/src.rb', 'w') do |file|
-    file << strip_require(rb_file)
-  end
-
+  File.open('build/src.rb', 'w') { |file| file << strip_require(rb_file) }
   `opal --compile --no-opal build/src.rb > build/src.js`
-
   FileUtils.cp "#{@gem_dir}/ext/ruby2d/ruby2d-opal.rb", "build/"
   `opal --compile --no-opal build/ruby2d-opal.rb > build/ruby2d-opal.js`
 
@@ -141,56 +140,127 @@ def build_web(rb_file)
   # Copy over HTML template
   FileUtils.cp "#{@gem_dir}/assets/template.html", "build/app.html"
 
+  # Clean up
+  clean_up unless @debug
+
   # Success!
   puts "Web app created at `build/app.js`",
        "  Run by opening `build/app.html`"
 end
 
 
-# Build an application package for the current platform
-def build_package
-  require 'fileutils'
-
-  icon_path = "#{@gem_dir}/assets/app.icns"
-
-  FileUtils.mkpath "build/App.app/Contents/MacOS"
-  FileUtils.mkpath "build/App.app/Contents/Resources"
-  FileUtils.cp icon_path, "build/App.app/Contents/Resources"
-
-  info_plist = %(
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-  <key>CFBundleExecutable</key>
-  <string>app</string>
-  <key>CFBundleIconFile</key>
-  <string>app.icns</string>
-  <key>CFBundleInfoDictionaryVersion</key>
-  <string>1.0</string>
-  <key>CFBundlePackageType</key>
-  <string>APPL</string>
-  <key>CFBundleSignature</key>
-  <string>????</string>
-  <key>CFBundleVersion</key>
-  <string>1.0</string>
-</dict>
-</plist>
-)
-
-  File.open("build/App.app/Contents/Info.plist", 'w') { |f| f.write(info_plist) }
-  FileUtils.cp "build/app", "build/App.app/Contents/MacOS/"
-  puts "App written to `build/App.app`."
+# Build an iOS or tvOS app
+def build_apple(rb_file, device)
+  check_build_src_file(rb_file)
+
+  # Check for Simple 2D framework,
+  unless File.exists?('/usr/local/Frameworks/Simple2D/iOS/Simple2D.framework') && File.exists?('/usr/local/Frameworks/Simple2D/tvOS/Simple2D.framework')
+    puts "#{'Error:'.error} Simple 2D iOS and tvOS frameworks not found. Install them and try again.\n"
+    exit
+  end
+
+  # Check if MRuby exists; if not, quit
+  if `which mruby`.empty?
+    puts "#{'Error:'.error} Can't find MRuby, which is needed to build native Ruby 2D applications.\n"
+    exit
+  end
+
+  # Assemble the Ruby 2D library in one `.rb` file and compile to bytecode
+  make_lib
+  `mrbc -Bruby2d_lib -obuild/lib.c build/lib.rb`
+
+  # Read the provided Ruby source file, copy to build dir and compile to bytecode
+  File.open('build/src.rb', 'w') { |file| file << strip_require(rb_file) }
+  `mrbc -Bruby2d_app -obuild/src.c build/src.rb`
+
+  # Copy over iOS project
+  FileUtils.cp_r "#{@gem_dir}/assets/#{device}", "build"
+
+  # Combine contents of C source files and bytecode into one file
+  File.open("build/#{device}/main.c", 'w') do |f|
+    f << "#define RUBY2D_IOS_TVOS 1" << "\n\n"
+    f << "#define MRUBY 1" << "\n\n"
+    f << File.read("build/lib.c") << "\n\n"
+    f << File.read("build/src.c") << "\n\n"
+    f << File.read("#{@gem_dir}/ext/ruby2d/ruby2d.c")
+  end
+
+  # Build the Xcode project
+  `simple2d build --#{device} build/#{device}/MyApp.xcodeproj`
+
+  # Clean up
+  clean_up unless @debug
+
+  # Success!
+  puts "App created at `build/#{device}`"
 end
 
 
 # Clean up unneeded build files
-def clean_up
+def clean_up(cmd = nil)
   FileUtils.rm(
     Dir.glob('build/{src,lib}.{rb,c,js}') +
     Dir.glob('build/ruby2d-opal.{rb,js}') +
     Dir.glob('build/app.c')
   )
+  if cmd == :all
+    puts "cleaning up..."
+    FileUtils.rm_f 'build/app'
+    FileUtils.rm_f 'build/app.js'
+    FileUtils.rm_f 'build/app.html'
+    FileUtils.rm_rf 'build/ios'
+    FileUtils.rm_rf 'build/tvos'
+  end
+end
+
+
+# Launch a native app
+def launch_native
+  if !File.exists? 'build/app'
+    puts "No native app built!"
+    exit
+  end
+  `( cd build && ./app )`
+end
+
+
+# Launch a web app
+def launch_web
+  if !File.exists? 'build/app.html'
+    puts "No web app built!"
+    exit
+  end
+  open_cmd = 'open'
+  case RUBY_PLATFORM
+  when /linux/
+    open_cmd = "xdg-#{open_cmd}"
+  when /mingw/
+    open_cmd = "start"
+  end
+  system "#{open_cmd} build/app.html"
+end
+
+
+# Launch an iOS or tvOS app in a simulator
+def launch_apple(device)
+  case device
+  when 'ios'
+    if !File.exists? 'build/ios/build/Release-iphonesimulator/MyApp.app'
+      puts "No iOS app built!"
+      exit
+    end
+    puts `simple2d simulator --open "iPhone 8" &&
+          simple2d simulator --install "build/ios/build/Release-iphonesimulator/MyApp.app" &&
+          simple2d simulator --launch "Ruby2D.MyApp"`
+  when 'tvos'
+    if !File.exists? 'build/tvos/build/Release-appletvsimulator/MyApp.app'
+      puts "No tvOS app built!"
+      exit
+    end
+    puts `simple2d simulator --open "Apple TV" &&
+          simple2d simulator --install "build/tvos/build/Release-appletvsimulator/MyApp.app" &&
+          simple2d simulator --launch "Ruby2D.MyApp"`
+  end
 end
 
 
@@ -201,31 +271,116 @@ Usage: ruby2d <command> <options>
               [-v|--version]
 
 Summary of commands and options:
-  build         Build the application both natively and for the web
-    --native      Build only native
-    --web         Build only web
-    --debug       Build native and web, keeping all intermediate files
-  package       Create application package for distribution (experimental)
+  build         Build a Ruby source file
+  launch        Launch a built Ruby 2D application
+  simulator     Interact with iOS and tvOS simulators
   -v|--version  Prints the installed version\n\n"
 
+usage_build = "
+Use the #{"build".bold} command to compile or build Ruby 2D apps.
+
+To compile and create a native executable, use:
+  build --native <ruby_file>
+
+To build for the web, creating a JavaScript and HTML package, use:
+  build --web <ruby_file>
+
+To build an iOS or tvOS app, use the following:
+  build --ios <ruby_file>
+  build --tvos <ruby_file>
+
+To build for every platform supported by the current system, use:
+  build --all <ruby_file>
+
+To clean up the build directory, use:
+  build --clean
+
+Add the #{"--debug".bold} option to print debugging info
+and keep all intermediate files generated.\n\n"
+
+usage_launch = "
+Use the #{"launch".bold} command to run a Ruby 2D app that has been built.
+Choose one of the following options to select the kind of app to run:
+
+  --native
+  --web
+  --ios
+  --tvos\n\n"
+
+usage_simulator = "
+Choose an option with the #{"simulator".bold} command:
+
+  --list      List available devices
+  --booted    Show currently booted devices
+
+  --open <device_name>    Open a simulator device with a given device name
+
+  --install <app_file>    Install an app on the booted simulator given the path
+                          to the app e.g. \"Release-iphonesimulator/MyApp.app\"
+
+  --launch <bundle_id>    Launch an app given the app bundle's identifier,
+                          e.g. \"Ruby2D.MyApp\"
+
+  --log           Stream log of the booted simulator
+  --log <app>     Stream log for the app only, given the app name
+  --log-errors    Stream log containing only error messages\n\n"
+
+# puts ARGV.inspect
+
 case ARGV[0]
 when 'build'
-  puts "Building..."
+  if ARGV.delete '--debug' then @debug = true end
   case ARGV[1]
   when '--native'
     build_native(ARGV[2])
   when '--web'
     build_web(ARGV[2])
+  when '--ios'
+    build_apple(ARGV[2], 'ios')
+  when '--tvos'
+    build_apple(ARGV[2], 'tvos')
+  when '--all'
+    build_native(ARGV[2])
+    build_web(ARGV[2])
+    build_apple(ARGV[2], 'ios')
+    build_apple(ARGV[2], 'tvos')
+  when '--clean'
+    clean_up(:all)
+  else
+    puts usage_build
+  end
+when 'launch'
+  case ARGV[1]
+  when '--native'
+    launch_native
+  when '--web'
+    launch_web
+  when '--ios'
+    launch_apple('ios')
+  when '--tvos'
+    launch_apple('tvos')
   else
-    if ARGV[2]; puts usage; exit end
-    check_build_src_file(ARGV[1])
-    build_native(ARGV[1])
-    build_web(ARGV[1])
-  end
-  unless ARGV.include? '--debug'; clean_up end
-when 'package'
-  puts "Running package..."
-  build_package
+    puts usage_launch
+  end
+when 'simulator'
+  case ARGV[1]
+  when '--list'
+    puts `simple2d simulator --list`
+  when '--booted'
+    puts `simple2d simulator --booted`
+  when '--open'
+    puts `simple2d simulator --open "#{ARGV[2]}"`
+  when '--install'
+    puts `simple2d simulator --install "#{ARGV[2]}"`
+  when '--launch'
+    puts `simple2d simulator --launch "#{ARGV[2]}"`
+  when '--log'
+    puts `simple2d simulator --log`
+  when '--log-errors'
+    puts `simple2d simulator --log-errors`
+  else
+    puts usage_simulator
+  end
 when '-v', '--version'
   puts Ruby2D::VERSION
 else
diff --git a/ext/ruby2d/ruby2d.c b/ext/ruby2d/ruby2d.c
index d5c2191..6cbe219 100644
--- a/ext/ruby2d/ruby2d.c
+++ b/ext/ruby2d/ruby2d.c
@@ -1,7 +1,11 @@
 // ruby2d.c – Native C extension for Ruby and MRuby
 
 // Simple 2D includes
-#include <simple2d.h>
+#if RUBY2D_IOS_TVOS
+  #include <Simple2D/simple2d.h>
+#else
+  #include <simple2d.h>
+#endif
 
 // Ruby includes
 #if MRUBY
@@ -801,6 +805,22 @@ static void render() {
 
 
 /*
+ * Ruby2D::Window#ext_get_display_dimensions
+ */
+#if MRUBY
+static R_VAL ruby2d_window_ext_get_display_dimensions(mrb_state* mrb, R_VAL self) {
+#else
+static R_VAL ruby2d_window_ext_get_display_dimensions(R_VAL self) {
+#endif
+  int w; int h;
+  S2D_GetDisplayDimensions(&w, &h);
+  r_iv_set(self, "@display_width" , INT2NUM(w));
+  r_iv_set(self, "@display_height", INT2NUM(h));
+  return R_NIL;
+}
+
+
+/*
  * Ruby2D::Window#ext_show
  */
 #if MRUBY
@@ -977,6 +997,9 @@ void Init_ruby2d() {
   // Ruby2D::Window
   R_CLASS ruby2d_window_class = r_define_class(ruby2d_module, "Window");
 
+  // Ruby2D::Window#ext_get_display_dimensions
+  r_define_method(ruby2d_window_class, "ext_get_display_dimensions", ruby2d_window_ext_get_display_dimensions, r_args_none);
+
   // Ruby2D::Window#ext_show
   r_define_method(ruby2d_window_class, "ext_show", ruby2d_window_ext_show, r_args_none);
 
diff --git a/lib/ruby2d/window.rb b/lib/ruby2d/window.rb
index d3e8143..0a5a995 100644
--- a/lib/ruby2d/window.rb
+++ b/lib/ruby2d/window.rb
@@ -17,6 +17,7 @@ module Ruby2D
       @width      = args[:width]  || 640
       @height     = args[:height] || 480
       @viewport_width, @viewport_height = nil, nil
+      @display_width, @display_height = nil, nil
       @resizable  = false
       @borderless = false
       @fullscreen = false
@@ -60,6 +61,13 @@ module Ruby2D
       when :height;          @height
       when :viewport_width;  @viewport_width
       when :viewport_height; @viewport_height
+      when :display_width, :display_height
+        ext_get_display_dimensions
+        if sym == :display_width
+          @display_width
+        else
+          @display_height
+        end
       when :resizable;       @resizable
       when :borderless;      @borderless
       when :fullscreen;      @fullscreen
diff --git a/test/media b/test/media
-Subproject fd57d1c22c11b1cc84b160236718b7e26c438a3
+Subproject 0d54e768f8da2217203649cb270f4d0add82328
diff --git a/test/triangle-ios-tvos.rb b/test/triangle-ios-tvos.rb
new file mode 100644
index 0000000..5189173
--- /dev/null
+++ b/test/triangle-ios-tvos.rb
@@ -0,0 +1,20 @@
+require 'ruby2d'
+
+set title: "Hello Triangle",
+    width: get(:display_width), height: get(:display_height),
+    borderless: true
+
+Rectangle.new(
+  x: 0, y: 0,
+  width: get(:width), height: get(:height),
+  color: [[1, 0, 1, 1], [0, 1, 0, 1], [0, 0, 1, 1], [0, 1, 1, 1]]
+)
+
+Triangle.new(
+  x1: get(:width) / 2, y1: get(:height) / 5,
+  x2: get(:width),     y2: get(:height) / 1.5,
+  x3: 0,               y3: get(:height) / 1.5,
+  color: [[1, 0, 0, 1], [0, 1, 0, 1], [0, 0, 1, 1]]
+)
+
+show