init commit

addons/nklbdev.importality/import/sprite_frames.gd

@@ -0,0 +1,64 @@
+@tool
+extends "_.gd"
+
+func _init() -> void: super("SpriteFrames", "SpriteFrames", "res")
+
+func import(
+	res_source_file_path: String,
+	atlas: Texture2D,
+	sprite_sheet: _Common.SpriteSheetInfo,
+	animation_library: _Common.AnimationLibraryInfo,
+	options: Dictionary,
+	save_path: String
+	) -> ImportResult:
+	var result: ImportResult = ImportResult.new()
+
+	var sprite_frames: SpriteFrames = SpriteFrames.new()
+	for animation_name in sprite_frames.get_animation_names():
+		sprite_frames.remove_animation(animation_name)
+
+	var filter_clip_enabled: bool = options[_Options.ATLAS_TEXTURES_REGION_FILTER_CLIP_ENABLED]
+	var atlas_textures: Array[AtlasTexture]
+	var empty_atlas_texture: AtlasTexture
+	for animation in animation_library.animations:
+		sprite_frames.add_animation(animation.name)
+		sprite_frames.set_animation_loop(animation.name, animation.repeat_count == 0)
+		sprite_frames.set_animation_speed(animation.name, 1)
+		var previous_texture: Texture2D
+		for frame in animation.get_flatten_frames():
+			var atlas_texture: AtlasTexture
+			if frame.sprite.region.has_area():
+				var region: Rect2 = frame.sprite.region
+				var margin: Rect2 = Rect2(
+					frame.sprite.offset,
+					sprite_sheet.source_image_size - frame.sprite.region.size)
+				var equivalent_atlas_textures: Array = atlas_textures.filter(
+					func(t: AtlasTexture) -> bool: return t.margin == margin and t.region == region)
+				if not equivalent_atlas_textures.is_empty():
+					atlas_texture = equivalent_atlas_textures.front()
+				if atlas_texture == null:
+					atlas_texture = AtlasTexture.new()
+					atlas_texture.filter_clip = filter_clip_enabled
+					atlas_texture.atlas = atlas
+					atlas_texture.region = region
+					atlas_texture.margin = margin
+					atlas_textures.push_back(atlas_texture)
+			else:
+				if empty_atlas_texture == null:
+					empty_atlas_texture = AtlasTexture.new()
+					empty_atlas_texture.filter_clip = filter_clip_enabled
+					empty_atlas_texture.atlas = atlas
+					empty_atlas_texture.region = Rect2(0, 0, 1, 1)
+					empty_atlas_texture.margin = Rect2(2, 2, 0, 0)
+				atlas_texture = empty_atlas_texture
+			if atlas_texture == previous_texture:
+				var last_frame_index: int = sprite_frames.get_frame_count(animation.name) - 1
+				sprite_frames.set_frame(animation.name, last_frame_index, atlas_texture,
+					sprite_frames.get_frame_duration(animation.name, last_frame_index) + frame.duration)
+				continue
+			sprite_frames.add_frame(animation.name, atlas_texture, frame.duration)
+			previous_texture = atlas_texture
+
+	result.success(sprite_frames,
+		ResourceSaver.FLAG_COMPRESS | ResourceSaver.FLAG_BUNDLE_RESOURCES)
+	return result