Implement the ability to load font files

Users can now drag and drop font files to load them

Author: OverloadedOrama

src/Autoload/Global.gd

@@ -121,6 +121,8 @@ const HOME_SUBDIR_NAME := "pixelorama"
 const CONFIG_SUBDIR_NAME := "pixelorama_data"
 ## The path of the directory where the UI layouts are being stored.
 const LAYOUT_DIR := "user://layouts"
+## The path of the ditectory where users can load custom fonts.
+const FONTS_DIR_PATH := "user://fonts"
 
 ## It is path to the executable's base drectory.
 var root_directory := "."
@@ -769,6 +771,13 @@ func _init() -> void:
 
 
 func _ready() -> void:
+	if DirAccess.dir_exists_absolute(FONTS_DIR_PATH):
+		var fonts_dir := DirAccess.open(FONTS_DIR_PATH)
+		var files := fonts_dir.get_files()
+		for file in files:
+			var font_file := OpenSave.open_font_file(FONTS_DIR_PATH.path_join(file))
+			if not font_file.data.is_empty():
+				loaded_fonts.append(font_file)
 	# Initialize Grid
 	Grid.new()  # gets auto added to grids array
 	_initialize_keychain()

src/Autoload/OpenSave.gd

@@ -7,6 +7,9 @@ signal shader_copied(file_path: String)
 
 const BACKUPS_DIRECTORY := "user://backups"
 const SHADERS_DIRECTORY := "user://shaders"
+const FONT_FILE_EXTENSIONS: PackedStringArray = [
+	"ttf", "otf", "woff", "woff2", "pfb", "pfm", "fnt", "font"
+]
 
 var current_session_backup := ""
 var preview_dialog_tscn := preload("res://src/UI/Dialogs/ImportPreviewDialog.tscn")
@@ -87,6 +90,15 @@ func handle_loading_file(file: String, force_import_dialog_on_images := false) -
 		shader_copied.emit(new_path)
 	elif file_ext == "mp3" or file_ext == "wav":  # Audio file
 		open_audio_file(file)
+	elif file_ext in FONT_FILE_EXTENSIONS:
+		var font_file := open_font_file(file)
+		if font_file.data.is_empty():
+			return
+		if not DirAccess.dir_exists_absolute(Global.FONTS_DIR_PATH):
+			DirAccess.make_dir_absolute(Global.FONTS_DIR_PATH)
+		var new_path := Global.FONTS_DIR_PATH.path_join(file.get_file())
+		DirAccess.copy_absolute(file, new_path)
+		Global.loaded_fonts.append(font_file)
 	elif file_ext == "ora":
 		open_ora_file(file)
 	elif file_ext == "kra":
@@ -1008,6 +1020,15 @@ func open_audio_file(path: String) -> void:
 	Global.animation_timeline.add_layer(new_layer, project)
 
 
+func open_font_file(path: String) -> FontFile:
+	var font_file := FontFile.new()
+	if path.to_lower().get_extension() == "fnt" or path.to_lower().get_extension() == "font":
+		font_file.load_bitmap_font(path)
+	else:
+		font_file.load_dynamic_font(path)
+	return font_file
+
+
 # Based on https://www.openraster.org/
 func open_ora_file(path: String) -> void:
 	var zip_reader := ZIPReader.new()