Add gif export plugin and extend export dialog with GIF animation support.

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "addons/godot-gifexporter"]
+	path = addons/godot-gifexporter
+	url = https://github.com/novhack/godot-gifexporter.git

Prefabs/Dialogs/ExportDialog.tscn

@@ -1,9 +1,10 @@
-[gd_scene load_steps=2 format=2]
+[gd_scene load_steps=3 format=2]
 
 [ext_resource path="res://Scripts/Dialogs/ExportDialog.gd" type="Script" id=1]
+[ext_resource path="res://addons/godot-gifexporter/src/GifExporter.gd" type="Script" id=2]
 
 [node name="ExportDialog" type="AcceptDialog"]
-margin_right = 456.0
+margin_right = 532.0
 margin_bottom = 530.0
 rect_min_size = Vector2( 456, 530 )
 window_title = "Export..."
@@ -17,7 +18,7 @@ __meta__ = {
 [node name="VBoxContainer" type="VBoxContainer" parent="."]
 margin_left = 8.0
 margin_top = 8.0
-margin_right = 448.0
+margin_right = 524.0
 margin_bottom = 494.0
 rect_min_size = Vector2( 330, 0 )
 size_flags_vertical = 3
@@ -26,43 +27,42 @@ __meta__ = {
 }
 
 [node name="Tabs" type="Tabs" parent="VBoxContainer"]
-margin_right = 440.0
+margin_right = 516.0
 margin_bottom = 24.0
 size_flags_vertical = 0
 
 [node name="HSeparator" type="HSeparator" parent="VBoxContainer"]
 margin_top = 28.0
-margin_right = 440.0
+margin_right = 516.0
 margin_bottom = 32.0
 
 [node name="PreviewLabel" type="Label" parent="VBoxContainer"]
 margin_top = 36.0
-margin_right = 440.0
+margin_right = 516.0
 margin_bottom = 50.0
 text = "Preview:"
 
 [node name="PreviewScroll" type="ScrollContainer" parent="VBoxContainer"]
 margin_top = 54.0
-margin_right = 440.0
+margin_right = 516.0
-margin_bottom = 358.0
+margin_bottom = 274.0
 size_flags_horizontal = 3
 size_flags_vertical = 3
 
 [node name="Previews" type="GridContainer" parent="VBoxContainer/PreviewScroll"]
-margin_right = 440.0
+margin_right = 516.0
-margin_bottom = 304.0
+margin_bottom = 220.0
 size_flags_horizontal = 3
 size_flags_vertical = 3
 columns = 3
 
 [node name="FrameOptions" type="VBoxContainer" parent="VBoxContainer"]
-visible = false
+margin_top = 278.0
-margin_top = 334.0
+margin_right = 516.0
-margin_right = 440.0
+margin_bottom = 302.0
-margin_bottom = 358.0
 
 [node name="FrameNumber" type="HBoxContainer" parent="VBoxContainer/FrameOptions"]
-margin_right = 440.0
+margin_right = 516.0
 margin_bottom = 24.0
 
 [node name="FrameNumberLabel" type="Label" parent="VBoxContainer/FrameOptions/FrameNumber"]
@@ -73,7 +73,7 @@ text = "Frame:"
 
 [node name="FrameNumber" type="SpinBox" parent="VBoxContainer/FrameOptions/FrameNumber"]
 margin_left = 48.0
-margin_right = 440.0
+margin_right = 516.0
 margin_bottom = 24.0
 rect_min_size = Vector2( 100, 0 )
 size_flags_horizontal = 3
@@ -84,12 +84,12 @@ rounded = true
 align = 2
 
 [node name="SpritesheetOptions" type="VBoxContainer" parent="VBoxContainer"]
-margin_top = 362.0
+margin_top = 306.0
-margin_right = 440.0
+margin_right = 516.0
-margin_bottom = 386.0
+margin_bottom = 330.0
 
 [node name="Orientation" type="HBoxContainer" parent="VBoxContainer/SpritesheetOptions"]
-margin_right = 440.0
+margin_right = 516.0
 margin_bottom = 24.0
 alignment = 1
 
@@ -104,7 +104,7 @@ __meta__ = {
 
 [node name="Orientation" type="OptionButton" parent="VBoxContainer/SpritesheetOptions/Orientation"]
 margin_left = 81.0
-margin_right = 226.0
+margin_right = 264.0
 margin_bottom = 24.0
 size_flags_horizontal = 3
 text = "Rows"
@@ -112,15 +112,15 @@ items = [ "Rows", null, false, 0, null, "Columns", null, false, 1, null ]
 selected = 0
 
 [node name="LinesCountLabel" type="Label" parent="VBoxContainer/SpritesheetOptions/Orientation"]
-margin_left = 230.0
+margin_left = 268.0
 margin_top = 5.0
-margin_right = 290.0
+margin_right = 328.0
 margin_bottom = 19.0
 text = "Columns:"
 
 [node name="LinesCount" type="SpinBox" parent="VBoxContainer/SpritesheetOptions/Orientation"]
-margin_left = 294.0
+margin_left = 332.0
-margin_right = 440.0
+margin_right = 516.0
 margin_bottom = 24.0
 size_flags_horizontal = 3
 min_value = 1.0
@@ -129,28 +129,68 @@ value = 1.0
 align = 2
 
 [node name="AnimationOptions" type="VBoxContainer" parent="VBoxContainer"]
-visible = false
+margin_top = 334.0
-margin_top = 366.0
+margin_right = 516.0
-margin_right = 440.0
 margin_bottom = 386.0
 
 [node name="AnimationType" type="OptionButton" parent="VBoxContainer/AnimationOptions"]
-margin_right = 440.0
+margin_right = 516.0
-margin_bottom = 20.0
+margin_bottom = 24.0
+rect_min_size = Vector2( 0, 24 )
 size_flags_horizontal = 3
-disabled = true
 text = "All frames as multiple files"
-items = [ "All frames as multiple files", null, false, 0, null ]
+items = [ "All frames as multiple files", null, false, 0, null, "All frames as a single file animation", null, false, 1, null ]
 selected = 0
 
+[node name="AnimatedOptions" type="HBoxContainer" parent="VBoxContainer/AnimationOptions"]
+margin_top = 28.0
+margin_right = 516.0
+margin_bottom = 52.0
+rect_min_size = Vector2( 0, 24 )
+
+[node name="BackgroundColorLabel" type="Label" parent="VBoxContainer/AnimationOptions/AnimatedOptions"]
+margin_top = 5.0
+margin_right = 82.0
+margin_bottom = 19.0
+text = "Background: "
+valign = 1
+
+[node name="BackgroundColor" type="ColorPickerButton" parent="VBoxContainer/AnimationOptions/AnimatedOptions"]
+margin_left = 86.0
+margin_right = 265.0
+margin_bottom = 24.0
+size_flags_horizontal = 7
+color = Color( 1, 1, 1, 1 )
+edit_alpha = false
+
+[node name="DirectionLabel" type="Label" parent="VBoxContainer/AnimationOptions/AnimatedOptions"]
+margin_left = 269.0
+margin_top = 5.0
+margin_right = 332.0
+margin_bottom = 19.0
+text = "Direction:"
+
+[node name="Direction" type="OptionButton" parent="VBoxContainer/AnimationOptions/AnimatedOptions"]
+margin_left = 336.0
+margin_right = 516.0
+margin_bottom = 24.0
+rect_min_size = Vector2( 100, 0 )
+size_flags_horizontal = 3
+text = "Forward"
+items = [ "Forward", null, false, 0, null, "Backwards", null, false, 1, null, "Ping-Pong", null, false, 2, null ]
+selected = 0
+__meta__ = {
+"_edit_use_anchors_": false
+}
+
 [node name="HSeparator2" type="HSeparator" parent="VBoxContainer"]
 margin_top = 390.0
-margin_right = 440.0
+margin_right = 516.0
 margin_bottom = 394.0
 
 [node name="Options" type="HBoxContainer" parent="VBoxContainer"]
 margin_top = 398.0
-margin_right = 440.0
+margin_right = 516.0
 margin_bottom = 422.0
 
 [node name="ResizeLabel" type="Label" parent="VBoxContainer/Options"]
@@ -163,7 +203,7 @@ align = 2
 
 [node name="Resize" type="SpinBox" parent="VBoxContainer/Options"]
 margin_left = 50.0
-margin_right = 197.0
+margin_right = 235.0
 margin_bottom = 24.0
 size_flags_horizontal = 3
 min_value = 10.0
@@ -174,17 +214,17 @@ align = 2
 suffix = "%"
 
 [node name="InterpolationLabel" type="Label" parent="VBoxContainer/Options"]
-margin_left = 201.0
+margin_left = 239.0
 margin_top = 5.0
-margin_right = 288.0
+margin_right = 326.0
 margin_bottom = 19.0
 rect_min_size = Vector2( 30, 0 )
 text = "Interpolation:"
 align = 2
 
 [node name="Interpolation" type="OptionButton" parent="VBoxContainer/Options"]
-margin_left = 292.0
+margin_left = 330.0
-margin_right = 440.0
+margin_right = 516.0
 margin_bottom = 24.0
 size_flags_horizontal = 3
 text = "Nearest"
@@ -194,12 +234,12 @@ selected = 0
 
 [node name="HSeparator3" type="HSeparator" parent="VBoxContainer"]
 margin_top = 426.0
-margin_right = 440.0
+margin_right = 516.0
 margin_bottom = 430.0
 
 [node name="Path" type="HBoxContainer" parent="VBoxContainer"]
 margin_top = 434.0
-margin_right = 440.0
+margin_right = 516.0
 margin_bottom = 458.0
 
 [node name="Label" type="Label" parent="VBoxContainer/Path"]
@@ -211,20 +251,20 @@ text = "Path:"
 
 [node name="PathLineEdit" type="LineEdit" parent="VBoxContainer/Path"]
 margin_left = 36.0
-margin_right = 377.0
+margin_right = 453.0
 margin_bottom = 24.0
 size_flags_horizontal = 3
 align = 2
 
 [node name="PathButton" type="Button" parent="VBoxContainer/Path"]
-margin_left = 381.0
+margin_left = 457.0
-margin_right = 440.0
+margin_right = 516.0
 margin_bottom = 24.0
 text = "Browse"
 
 [node name="File" type="HBoxContainer" parent="VBoxContainer"]
 margin_top = 462.0
-margin_right = 440.0
+margin_right = 516.0
 margin_bottom = 486.0
 
 [node name="Label" type="Label" parent="VBoxContainer/File"]
@@ -236,19 +276,19 @@ text = "File:"
 
 [node name="FileLineEdit" type="LineEdit" parent="VBoxContainer/File"]
 margin_left = 34.0
-margin_right = 296.0
+margin_right = 376.0
 margin_bottom = 24.0
 size_flags_horizontal = 3
 align = 2
 
 [node name="FileFormat" type="OptionButton" parent="VBoxContainer/File"]
-margin_left = 300.0
+margin_left = 380.0
-margin_right = 440.0
+margin_right = 516.0
 margin_bottom = 24.0
 rect_min_size = Vector2( 130, 0 )
 disabled = true
-text = ".png ; PNG Image"
+text = ".png; PNG Image"
-items = [ ".png ; PNG Image", null, false, 0, null, ".gif ; GIF Image", null, true, 1, null ]
+items = [ ".png; PNG Image", null, false, 0, null, ".gif; GIF Image", null, false, 1, null ]
 selected = 0
 
 [node name="Popups" type="Node" parent="."]
@@ -265,8 +305,8 @@ window_title = "Open a Directory"
 resizable = true
 mode = 2
 access = 2
-current_dir = "C:/Users/Overloaded/Dropbox/Orama Founding Members/εταιρικα αρχεια/Godot Projects/Pixelorama"
+current_dir = "/home/novhack/Pixelorama"
-current_path = "C:/Users/Overloaded/Dropbox/Orama Founding Members/εταιρικα αρχεια/Godot Projects/Pixelorama/"
+current_path = "/home/novhack/Pixelorama/"
 
 [node name="PathValidationAlert" type="AcceptDialog" parent="Popups"]
 margin_left = 8.0
@@ -293,13 +333,28 @@ dialog_text = "File %s already exists. Overwrite?"
 __meta__ = {
 "_edit_use_anchors_": false
 }
+
+[node name="FrameTimer" type="Timer" parent="."]
+__meta__ = {
+"_editor_description_": "Timer to advance animation frames in animation preview."
+}
+
+[node name="GifExporter" type="Node" parent="."]
+script = ExtResource( 2 )
+__meta__ = {
+"_editor_description_": ""
+}
 [connection signal="about_to_show" from="." to="." method="_on_ExportDialog_about_to_show"]
 [connection signal="confirmed" from="." to="." method="_on_ExportDialog_confirmed"]
 [connection signal="custom_action" from="." to="." method="_on_ExportDialog_custom_action"]
+[connection signal="popup_hide" from="." to="." method="_on_ExportDialog_popup_hide"]
 [connection signal="tab_clicked" from="VBoxContainer/Tabs" to="." method="_on_Tabs_tab_clicked"]
 [connection signal="value_changed" from="VBoxContainer/FrameOptions/FrameNumber/FrameNumber" to="." method="_on_Frame_value_changed"]
 [connection signal="item_selected" from="VBoxContainer/SpritesheetOptions/Orientation/Orientation" to="." method="_on_Orientation_item_selected"]
 [connection signal="value_changed" from="VBoxContainer/SpritesheetOptions/Orientation/LinesCount" to="." method="_on_LinesCount_value_changed"]
+[connection signal="item_selected" from="VBoxContainer/AnimationOptions/AnimationType" to="." method="_on_AnimationType_item_selected"]
+[connection signal="color_changed" from="VBoxContainer/AnimationOptions/AnimatedOptions/BackgroundColor" to="." method="_on_BackgroundColor_color_changed"]
+[connection signal="item_selected" from="VBoxContainer/AnimationOptions/AnimatedOptions/Direction" to="." method="_on_Direction_item_selected"]
 [connection signal="value_changed" from="VBoxContainer/Options/Resize" to="." method="_on_Resize_value_changed"]
 [connection signal="item_selected" from="VBoxContainer/Options/Interpolation" to="." method="_on_Interpolation_item_selected"]
 [connection signal="text_changed" from="VBoxContainer/Path/PathLineEdit" to="." method="_on_PathLineEdit_text_changed"]
@@ -309,3 +364,4 @@ __meta__ = {
 [connection signal="dir_selected" from="Popups/PathDialog" to="." method="_on_FileDialog_dir_selected"]
 [connection signal="confirmed" from="Popups/FileExistsAlert" to="." method="_on_FileExistsAlert_confirmed"]
 [connection signal="custom_action" from="Popups/FileExistsAlert" to="." method="_on_FileExistsAlert_custom_action"]
+[connection signal="timeout" from="FrameTimer" to="." method="_on_FrameTimer_timeout"]

Scripts/AnimationTimeline.gd

@@ -9,7 +9,7 @@ onready var tag_scroll_container : ScrollContainer = $AnimationContainer/Timelin
 
 func _ready() -> void:
 	timeline_scroll.get_h_scrollbar().connect("value_changed", self, "_h_scroll_changed")
-
+	Global.animation_timer.wait_time = 1 / fps
 
 func _h_scroll_changed(value : float) -> void:
 	# Let the main timeline ScrollContainer affect the tag ScrollContainer too

Scripts/Dialogs/ExportDialog.gd

@@ -16,8 +16,11 @@ var orientation : int = Orientation.Rows
 var lines_count := 1
 
 # Animation options
-enum AnimationType { MultipleFiles = 0 }
+enum AnimationType { MultipleFiles = 0, Animated = 1 }
 var animation_type : int = AnimationType.MultipleFiles
+var background_color : Color = Color.white
+enum AnimationDirection { Forward = 0, Backwards = 1, PingPong = 2 }
+var direction : int = AnimationDirection.Forward
 
 # Options
 var resize := 100
@@ -26,7 +29,8 @@ var interpolation := 0 # Image.Interpolation
 # Export directory path and export file name
 var directory_path := ""
 var file_name := ""
-var file_format := ".png"
+var file_format : int = FileFormat.PNG
+enum FileFormat { PNG = 0, GIF = 1}
 
 var file_exists_alert = "File %s already exists. Overwrite?"
 
@@ -37,16 +41,21 @@ var exported_frame_number : int
 var exported_orientation : int
 var exported_lines_count : int
 var exported_animation_type : int
+var exported_background_color : Color
+var exported_direction : int
 var exported_resize : int
 var exported_interpolation : int
 var exported_directory_path : String
 var exported_file_name : String
-var exported_file_format : String
+var exported_file_format : int
 
 # Export coroutine signal
 signal resume_export_function()
 var stop_export = false
 
+var animated_preview_current_frame := 0
+var animated_preview_frames = []
+
 func _ready() -> void:
 	$VBoxContainer/Tabs.add_tab("Frame")
 	$VBoxContainer/Tabs.add_tab("Spritesheet")
@@ -58,6 +67,7 @@ func _ready() -> void:
 		add_button("Cancel", false, "cancel")
 		$Popups/FileExistsAlert.add_button("Cancel Export", false, "cancel")
 
+
 func show_tab() -> void:
 	$VBoxContainer/FrameOptions.hide()
 	$VBoxContainer/SpritesheetOptions.hide()
@@ -65,6 +75,9 @@ func show_tab() -> void:
 
 	match current_tab:
 		ExportTab.Frame:
+			file_format = FileFormat.PNG
+			$VBoxContainer/File/FileFormat.selected = FileFormat.PNG
+			$FrameTimer.stop()
 			if not was_exported:
 				frame_number = Global.current_frame + 1
 			$VBoxContainer/FrameOptions/FrameNumber/FrameNumber.max_value = Global.canvases.size() + 1
@@ -72,6 +85,9 @@ func show_tab() -> void:
 			process_frame()
 			$VBoxContainer/FrameOptions.show()
 		ExportTab.Spritesheet:
+			file_format = FileFormat.PNG
+			$VBoxContainer/File/FileFormat.selected = FileFormat.PNG
+			$FrameTimer.stop()
 			if not was_exported:
 				orientation = Orientation.Rows
 				lines_count = int(ceil(sqrt(Global.canvases.size())))
@@ -82,7 +98,11 @@ func show_tab() -> void:
 			process_spritesheet()
 			$VBoxContainer/SpritesheetOptions.show()
 		ExportTab.Animation:
+			set_file_format_selector()
 			process_animation()
+			$VBoxContainer/AnimationOptions/AnimationType.selected = animation_type
+			$VBoxContainer/AnimationOptions/AnimatedOptions/BackgroundColor.color = background_color
+			$VBoxContainer/AnimationOptions/AnimatedOptions/Direction.selected = direction
 			$VBoxContainer/AnimationOptions.show()
 	set_preview()
 	$VBoxContainer/Tabs.current_tab = current_tab
@@ -161,27 +181,23 @@ func set_preview() -> void:
 	remove_previews()
 	if processed_images.size() == 1 and current_tab != ExportTab.Animation:
 		$VBoxContainer/PreviewScroll/Previews.columns = 1
-		add_preview(processed_images[0])
+		add_image_preview(processed_images[0])
 	else:
-		$VBoxContainer/PreviewScroll/Previews.columns = ceil(sqrt(processed_images.size()))
+		match animation_type:
-		for i in range(processed_images.size()):
+			AnimationType.MultipleFiles:
-			add_preview(processed_images[i], i + 1)
+				$VBoxContainer/PreviewScroll/Previews.columns = ceil(sqrt(processed_images.size()))
+				for i in range(processed_images.size()):
+					add_image_preview(processed_images[i], i + 1)
+			AnimationType.Animated:
+				$VBoxContainer/PreviewScroll/Previews.columns = 1
+				add_animated_preview()
 
 
-func add_preview(image: Image, canvas_number: int = -1) -> void:
+func add_image_preview(image: Image, canvas_number: int = -1) -> void:
-	var container = VBoxContainer.new()
+	var container = create_preview_container()
-	container.size_flags_horizontal = SIZE_EXPAND_FILL
+	var preview = create_preview_rect()
-	container.size_flags_vertical = SIZE_EXPAND_FILL
-	container.rect_min_size = Vector2(0, 128)
-
-	var preview = TextureRect.new()
-	preview.expand = true
-	preview.size_flags_horizontal = SIZE_EXPAND_FILL
-	preview.size_flags_vertical = SIZE_EXPAND_FILL
-	preview.stretch_mode = TextureRect.STRETCH_KEEP_ASPECT_CENTERED
 	preview.texture = ImageTexture.new()
 	preview.texture.create_from_image(image, 0)
-
 	container.add_child(preview)
 
 	if canvas_number != -1:
@@ -193,9 +209,46 @@ func add_preview(image: Image, canvas_number: int = -1) -> void:
 	$VBoxContainer/PreviewScroll/Previews.add_child(container)
 
 
+func add_animated_preview() -> void:
+	animated_preview_current_frame = processed_images.size() - 1 if direction == AnimationDirection.Backwards else 0
+	animated_preview_frames = []
+
+	for processed_image in processed_images:
+		var texture = ImageTexture.new()
+		texture.create_from_image(processed_image, 0)
+		animated_preview_frames.push_back(texture)
+
+	var container = create_preview_container()
+	container.name = "PreviewContainer"
+	var preview = create_preview_rect()
+	preview.name = "Preview"
+	preview.texture = animated_preview_frames[animated_preview_current_frame]
+	container.add_child(preview)
+
+	$VBoxContainer/PreviewScroll/Previews.add_child(container)
+	$FrameTimer.start()
+
+
+func create_preview_container() -> VBoxContainer:
+	var container = VBoxContainer.new()
+	container.size_flags_horizontal = SIZE_EXPAND_FILL
+	container.size_flags_vertical = SIZE_EXPAND_FILL
+	container.rect_min_size = Vector2(0, 128)
+	return container
+
+
+func create_preview_rect() -> TextureRect:
+	var preview = TextureRect.new()
+	preview.expand = true
+	preview.size_flags_horizontal = SIZE_EXPAND_FILL
+	preview.size_flags_vertical = SIZE_EXPAND_FILL
+	preview.stretch_mode = TextureRect.STRETCH_KEEP_ASPECT_CENTERED
+	return preview
+
+
 func remove_previews() -> void:
 	for child in $VBoxContainer/PreviewScroll/Previews.get_children():
-		child.queue_free()
+		child.free()
 
 
 func export_processed_images(ignore_overwrites : bool) -> void:
@@ -209,7 +262,7 @@ func export_processed_images(ignore_overwrites : bool) -> void:
 	var export_paths = []
 	for i in range(processed_images.size()):
 		stop_export = false
-		var export_path = create_export_path(true if current_tab == ExportTab.Animation else false, i + 1)
+		var export_path = create_export_path(true if (current_tab == ExportTab.Animation && animation_type == AnimationType.MultipleFiles) else false, i + 1)
 		# Check if the file already exists
 		var fileCheck = File.new()
 		if fileCheck.file_exists(export_path):
@@ -224,19 +277,40 @@ func export_processed_images(ignore_overwrites : bool) -> void:
 					# User decided to stop export
 					return
 		export_paths.append(export_path)
+		# Only get one export path if single file animated image is exported
+		if current_tab == ExportTab.Animation && animation_type == AnimationType.Animated:
+			break
 
 	# Scale images that are to export
 	scale_processed_images()
 
-	for i in range(processed_images.size()):
+	if current_tab == ExportTab.Animation && animation_type == AnimationType.Animated:
-		var err = processed_images[i].save_png(export_paths[i])
+		var frame_delay_in_ms = Global.animation_timer.wait_time * 100
-		if err != OK:
+
-			OS.alert("Can't save file")
+		$GifExporter.begin_export(export_paths[0], processed_images[0].get_width(), processed_images[0].get_height(), frame_delay_in_ms, 0)
+		match direction:
+			AnimationDirection.Forward:
+				for i in range(processed_images.size()):
+					$GifExporter.write_frame(processed_images[i], background_color, frame_delay_in_ms)
+			AnimationDirection.Backwards:
+				for i in range(processed_images.size() - 1, -1, -1):
+					$GifExporter.write_frame(processed_images[i], background_color, frame_delay_in_ms)
+			AnimationDirection.PingPong:
+				for i in range(0, processed_images.size()):
+					$GifExporter.write_frame(processed_images[i], background_color, frame_delay_in_ms)
+				for i in range(processed_images.size() - 2, 0, -1):
+					$GifExporter.write_frame(processed_images[i], background_color, frame_delay_in_ms)
+		$GifExporter.end_export()
+	else:
+		for i in range(processed_images.size()):
+			var err = processed_images[i].save_png(export_paths[i])
+			if err != OK:
+				OS.alert("Can't save file")
 
 	# Store settings for quick export and when the dialog is opened again
 	was_exported = true
 	store_export_settings()
-	Global.file_menu.get_popup().set_item_text(5, tr("Export") + " %s" % (file_name + file_format))
+	Global.file_menu.get_popup().set_item_text(5, tr("Export") + " %s" % (file_name + file_format_string(file_format)))
 	Global.notification_label("File(s) exported")
 	hide()
 
@@ -273,19 +347,44 @@ func create_export_path(multifile: bool, frame: int = 0) -> String:
 	if multifile:
 		path += "_" + String(frame)
 
-	return directory_path.plus_file(path + file_format)
+	return directory_path.plus_file(path + file_format_string(file_format))
 
 
 func frames_divided_by_spritesheet_lines() -> int:
 	return int(ceil(Global.canvases.size() / float(lines_count)))
 
 
+func file_format_string(format_enum : int) -> String:
+	match format_enum:
+		0: # PNG
+			return '.png'
+		1: # GIF
+			return '.gif'
+		_:
+			return ''
+
+
+func set_file_format_selector() -> void:
+	match animation_type:
+		AnimationType.MultipleFiles:
+			file_format = FileFormat.PNG
+			$VBoxContainer/File/FileFormat.selected = FileFormat.PNG
+			$FrameTimer.stop()
+			$VBoxContainer/AnimationOptions/AnimatedOptions.hide()
+		AnimationType.Animated:
+			file_format = FileFormat.GIF
+			$VBoxContainer/File/FileFormat.selected = FileFormat.GIF
+			$FrameTimer.wait_time = Global.animation_timer.wait_time
+			$VBoxContainer/AnimationOptions/AnimatedOptions.show()
+
 func store_export_settings() -> void:
 	exported_tab = current_tab
 	exported_frame_number = frame_number
 	exported_orientation = orientation
 	exported_lines_count = lines_count
 	exported_animation_type = animation_type
+	exported_background_color = background_color
+	exported_direction = direction
 	exported_resize = resize
 	exported_interpolation = interpolation
 	exported_directory_path = directory_path
@@ -299,6 +398,8 @@ func restore_previous_export_settings() -> void:
 	orientation = exported_orientation
 	lines_count = exported_lines_count
 	animation_type = exported_animation_type
+	background_color = exported_background_color
+	direction = exported_direction
 	resize = exported_resize
 	interpolation = exported_interpolation
 	directory_path = exported_directory_path
@@ -319,7 +420,7 @@ func _on_ExportDialog_about_to_show() -> void:
 	$VBoxContainer/Options/Interpolation.selected = interpolation
 	$VBoxContainer/Path/PathLineEdit.text = directory_path
 	$VBoxContainer/File/FileLineEdit.text = file_name
-	$VBoxContainer/File/FileFormat.text = file_format
+	$VBoxContainer/File/FileFormat.selected = file_format
 	show_tab()
 
 	for child in $Popups.get_children(): # Set the theme for the popups
@@ -356,6 +457,28 @@ func _on_LinesCount_value_changed(value : float) -> void:
 	set_preview()
 
 
+func _on_AnimationType_item_selected(id : int) -> void:
+	animation_type = id
+	set_file_format_selector()
+	set_preview()
+
+
+func _on_BackgroundColor_color_changed(color : Color) -> void:
+	background_color = color
+
+
+func _on_Direction_item_selected(id : int) -> void:
+	direction = id
+	match id:
+		AnimationDirection.Forward:
+			animated_preview_current_frame = 0
+		AnimationDirection.Backwards:
+			animated_preview_current_frame = processed_images.size() - 1
+		AnimationDirection.PingPong:
+			animated_preview_current_frame = 0
+			pingpong_direction = AnimationDirection.Forward
+
+
 func _on_Resize_value_changed(value : float) -> void:
 	resize = value
 
@@ -391,11 +514,7 @@ func _on_FileDialog_dir_selected(dir : String) -> void:
 
 
 func _on_FileFormat_item_selected(id : int) -> void:
-	match id:
+	file_format = id
-		0: # PNG
-			file_format = '.png'
-		1: # GIF
-			file_format = '.gif'
 
 
 func _on_FileExistsAlert_confirmed() -> void:
@@ -412,3 +531,44 @@ func _on_FileExistsAlert_custom_action(action : String) -> void:
 		stop_export = true
 		emit_signal("resume_export_function")
 		$Popups/FileExistsAlert.hide()
+
+
+var pingpong_direction = AnimationDirection.Forward
+func _on_FrameTimer_timeout() -> void:
+	$VBoxContainer/PreviewScroll/Previews/PreviewContainer/Preview.texture = animated_preview_frames[animated_preview_current_frame]
+
+	match direction:
+		AnimationDirection.Forward:
+			if animated_preview_current_frame == animated_preview_frames.size() - 1:
+				animated_preview_current_frame = 0
+			else:
+				animated_preview_current_frame += 1
+
+		AnimationDirection.Backwards:
+			if animated_preview_current_frame == 0:
+				animated_preview_current_frame = processed_images.size() - 1
+			else:
+				animated_preview_current_frame -= 1
+
+		AnimationDirection.PingPong:
+			match pingpong_direction:
+				AnimationDirection.Forward:
+					if animated_preview_current_frame == animated_preview_frames.size() - 1:
+						pingpong_direction = AnimationDirection.Backwards
+						animated_preview_current_frame -= 1
+						if animated_preview_current_frame <= 0:
+							animated_preview_current_frame = 0
+					else:
+						animated_preview_current_frame += 1
+				AnimationDirection.Backwards:
+					if animated_preview_current_frame == 0:
+						animated_preview_current_frame += 1
+						if animated_preview_current_frame >= animated_preview_frames.size() - 1:
+							animated_preview_current_frame = 0
+						pingpong_direction = AnimationDirection.Forward
+					else:
+						animated_preview_current_frame -= 1
+
+
+func _on_ExportDialog_popup_hide() -> void:
+	$FrameTimer.stop()

Translations/Translations.pot

@@ -194,6 +194,24 @@ msgstr ""
 msgid "All frames as multiple files"
 msgstr ""
 
+msgid "All frames as a single file animation"
+msgstr ""
+
+msgid "Background:"
+msgstr ""
+
+msgid "Direction:"
+msgstr ""
+
+msgid "Forward"
+msgstr ""
+
+msgid "Backwards"
+msgstr ""
+
+msgid "Ping-Pong"
+msgstr ""
+
 msgid "EXPORT_CURRENT_FRAME_LABEL"
 msgstr ""
 

addons/godot-gifexporter

@@ -0,0 +1 @@
+Subproject commit eb7be4f9a9dded53f2ce8a24ecba001da368ca5c

project.godot

@@ -70,6 +70,10 @@ gdscript/warnings/return_value_discarded=false
 window/size/width=1280
 window/size/height=720
 
+[editor_plugins]
+
+enabled=PoolStringArray( "godot-gifexporter" )
+
 [importer_defaults]
 
 texture={