Added variables to build SDL2_ttf with HarfBuzz and added functions to

the engine to support defining the text direction and script name

src/GameEngine.c

@@ -413,6 +413,32 @@ void set_font_asset_size(AssetID id, u32 size) {
   TTF_SetFontSize(font, size);
 }
 
+i32 set_font_direction(AssetID id, FontDirection direction) {
+  if (id < 0) {
+    return -2;
+  }
+
+  TTF_Font *font = get_font(GameEngine.asset_manager, id);
+  if (!font) {
+    return -2;
+  }
+
+  return TTF_SetFontDirection(font, (TTF_Direction)direction);
+}
+
+i32 set_font_script_name(AssetID id, const char *script) {
+  if (id < 0) {
+    return -2;
+  }
+
+  TTF_Font *font = get_font(GameEngine.asset_manager, id);
+  if (!font) {
+    return -2;
+  }
+
+  return TTF_SetFontScriptName(font, script);
+}
+
 i8 play_audio_asset(AssetID id, i16 loops, bool fade_in,
                     u32 fade_length_in_ms) {
   if (id < 0) {