[add] Added FontSet which uses freetype.

.gitmodules

@@ -4,3 +4,6 @@
 [submodule "thirdparty/gl4d"]
 	path = thirdparty/gl4d
 	url = https://gogs.enigmatical.work/kajironagi/gl4d.git
+[submodule "thirdparty/ft4d"]
+	path = thirdparty/ft4d
+	url = https://gogs.enigmatical.work/KajiroNagi/ft4d.git

dub.json

@@ -9,6 +9,7 @@
     "sjplayer": {"path": "sjplayer"},
 
     "gl4d": {"path": "thirdparty/gl4d"},
+    "ft4d": {"path": "thirdparty/ft4d"},
     "derelict-sfml2": "~>4.0.0-beta.2"
   }
 }

src/main.d

@@ -6,7 +6,7 @@ import derelict.sfml2.audio,
        derelict.sfml2.system,
        derelict.sfml2.window;
 
-import gl4d;
+import gl4d, ft4d;
 
 import sj.Args,
        sj.Game,
@@ -62,6 +62,8 @@ private KeyInput GetKeyInput() {
 }
 
 private auto CreateWindow(ref in Args args) {
+  ft.Initialize();
+
   DerelictSFML2Audio   .load();
   DerelictSFML2Graphics.load();
   DerelictSFML2System  .load();
@@ -93,6 +95,7 @@ private auto CreateWindow(ref in Args args) {
    public:
     ~this() {
       sfWindow_destroy(window_);
+      ft.Dispose();
     }
     void Flush() {
       sfWindow_display(window_);

src/sj/FontSet.d

@@ -0,0 +1,24 @@
+/// License: MIT
+module sj.FontSet;
+
+import ft4d;
+
+///
+class FontSet {
+ public:
+  ///
+  enum Gothic = cast(ubyte[]) import("fonts/SourceHanSansJP-Regular.otf");
+
+  ///
+  this() {
+    gothic_ = Face.CreateFromBuffer(Gothic);
+  }
+
+  ///
+  @property FaceRef gothic() {
+    return gothic_;
+  }
+
+ private:
+  FaceRef gothic_;
+}

src/sj/Game.d

@@ -7,6 +7,7 @@ import std.algorithm,
        std.path;
 
 import sj.AbstractGame,
+       sj.FontSet,
        sj.LobbyWorld,
        sj.ProgramSet,
        sj.SelectScene,
@@ -24,6 +25,7 @@ class Game : AbstractGame {
     const songs_list = buildPath(songs_dir, "list.json").readText;
     songs_ = Song.CreateFromJson(songs_list.parseJSON, songs_dir);
 
+    fonts_    = new FontSet;
     programs_ = new ProgramSet;
 
     lobby_ = new LobbyWorld(programs_);
@@ -40,9 +42,11 @@ class Game : AbstractGame {
 
   ~this() {
     title_.destroy();
+    select_.destroy();
 
     lobby_.destroy();
 
+    fonts_.destroy();
     programs_.destroy();
 
     songs_.each!destroy();
@@ -51,11 +55,11 @@ class Game : AbstractGame {
  private:
   Song[] songs_;
 
+  FontSet    fonts_;
   ProgramSet programs_;
 
   LobbyWorld lobby_;
 
-  TitleScene title_;
+  TitleScene  title_;
-
   SelectScene select_;
 }

thirdparty/ft4d

@@ -0,0 +1 @@
+Subproject commit 791af0dfe67ad25b41aae170568b89303ed853e9