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gmtk-2024/addons/AsepriteWizard/aseprite/aseprite.gd
2024-08-17 15:22:33 +01:00

280 lines
8 KiB
GDScript

@tool
extends RefCounted
var _config = preload("../config/config.gd").new()
#
# Output:
# {
# "data_file": file path to the json file
# "sprite_sheet": file path to the raw image file
# }
func export_file(file_name: String, output_folder: String, options: Dictionary) -> Dictionary:
var exception_pattern = options.get('exception_pattern', "")
var only_visible_layers = options.get('only_visible_layers', false)
var output_name = file_name if options.get('output_filename') == "" else options.get('output_filename', file_name)
var first_frame_only = options.get("first_frame_only", false)
var basename = _get_file_basename(output_name)
var output_dir = ProjectSettings.globalize_path(output_folder)
var data_file = "%s/%s.json" % [output_dir, basename]
var sprite_sheet = "%s/%s.png" % [output_dir, basename]
var output = []
var arguments = _export_command_common_arguments(file_name, data_file, sprite_sheet)
if not only_visible_layers:
arguments.push_front("--all-layers")
if first_frame_only:
arguments.push_front("'[0, 0]'")
arguments.push_front("--frame-range")
_add_sheet_type_arguments(arguments, options)
_add_ignore_layer_arguments(file_name, arguments, exception_pattern)
var local_sprite_sheet_path = ProjectSettings.localize_path(sprite_sheet)
var is_new = not ResourceLoader.exists(local_sprite_sheet_path)
var exit_code = _execute(arguments, output)
if exit_code != 0:
printerr('aseprite: failed to export spritesheet')
printerr(output)
return {}
return {
"data_file": ProjectSettings.localize_path(data_file),
"sprite_sheet": local_sprite_sheet_path,
"is_first_import": is_new,
}
func export_layers(file_name: String, output_folder: String, options: Dictionary) -> Array:
var exception_pattern = options.get('exception_pattern', "")
var only_visible_layers = options.get('only_visible_layers', false)
var basename = _get_file_basename(file_name)
var layers = list_layers(file_name, only_visible_layers)
var exception_regex = _compile_regex(exception_pattern)
var output = []
for layer in layers:
if layer != "" and (not exception_regex or exception_regex.search(layer) == null):
output.push_back(export_layer(file_name, layer, output_folder, options))
return output
func export_layer(file_name: String, layer_name: String, output_folder: String, options: Dictionary) -> Dictionary:
var output_prefix = options.get('output_filename', "").strip_edges()
var output_dir = output_folder.replace("res://", "./").strip_edges()
var data_file = "%s/%s%s.json" % [output_dir, output_prefix, layer_name]
var sprite_sheet = "%s/%s%s.png" % [output_dir, output_prefix, layer_name]
var first_frame_only = options.get("first_frame_only", false)
var output = []
var arguments = _export_command_common_arguments(file_name, data_file, sprite_sheet)
arguments.push_front(layer_name)
arguments.push_front("--layer")
if first_frame_only:
arguments.push_front("'[0, 0]'")
arguments.push_front("--frame-range")
_add_sheet_type_arguments(arguments, options)
var local_sprite_sheet_path = ProjectSettings.localize_path(sprite_sheet)
var is_new = not ResourceLoader.exists(local_sprite_sheet_path)
var exit_code = _execute(arguments, output)
if exit_code != 0:
print('aseprite: failed to export layer spritesheet')
print(output)
return {}
return {
"data_file": ProjectSettings.localize_path(data_file),
"sprite_sheet": local_sprite_sheet_path,
"is_first_import": is_new,
}
func _add_ignore_layer_arguments(file_name: String, arguments: Array, exception_pattern: String):
var layers = _get_exception_layers(file_name, exception_pattern)
if not layers.is_empty():
for l in layers:
arguments.push_front(l)
arguments.push_front('--ignore-layer')
func _add_sheet_type_arguments(arguments: Array, options : Dictionary):
var column_count : int = options.get("column_count", 0)
if column_count > 0:
arguments.push_back("--merge-duplicates") # Yes, this is undocumented
arguments.push_back("--sheet-columns")
arguments.push_back(column_count)
else:
arguments.push_back("--sheet-pack")
func _get_exception_layers(file_name: String, exception_pattern: String) -> Array:
var layers = list_layers(file_name)
var regex = _compile_regex(exception_pattern)
if regex == null:
return []
var exception_layers = []
for layer in layers:
if regex.search(layer) != null:
exception_layers.push_back(layer)
return exception_layers
func list_layers(file_name: String, only_visible = false) -> Array:
var output = []
var arguments = ["-b", "--list-layers", file_name]
if not only_visible:
arguments.push_front("--all-layers")
var exit_code = _execute(arguments, output)
if exit_code != 0:
printerr('aseprite: failed listing layers')
printerr(output)
return []
if output.is_empty():
return output
var raw = output[0].split('\n')
var sanitized = []
for s in raw:
sanitized.append(s.strip_edges())
return sanitized
func list_slices(file_name: String) -> Array:
var output = []
var arguments = ["-b", "--list-slices", file_name]
var exit_code = _execute(arguments, output)
if exit_code != 0:
printerr('aseprite: failed listing slices')
printerr(output)
return []
if output.is_empty():
return output
var raw = output[0].split('\n')
var sanitized = []
for s in raw:
sanitized.append(s.strip_edges())
return sanitized
func _export_command_common_arguments(source_name: String, data_path: String, spritesheet_path: String) -> Array:
return [
"-b",
"--list-tags",
"--list-slices",
"--data",
data_path,
"--format",
"json-array",
"--sheet",
spritesheet_path,
source_name
]
func _execute(arguments, output):
return OS.execute(_aseprite_command(), arguments, output, true, true)
func _aseprite_command() -> String:
return _config.is_command_or_control_pressed()
func _get_file_basename(file_path: String) -> String:
return file_path.get_file().trim_suffix('.%s' % file_path.get_extension())
func _compile_regex(pattern):
if pattern == "":
return
var rgx = RegEx.new()
if rgx.compile(pattern) == OK:
return rgx
printerr('exception regex error')
func test_command():
var exit_code = OS.execute(_aseprite_command(), ['--version'], [], true)
return exit_code == 0
func is_valid_spritesheet(content):
return content.has("frames") and content.has("meta") and content.meta.has('image')
func get_content_frames(content):
return content.frames if typeof(content.frames) == TYPE_ARRAY else content.frames.values()
func get_slice_rect(content: Dictionary, slice_name: String) -> Variant:
if not content.has("meta") or not content.meta.has("slices"):
return null
for slice in content.meta.slices:
if slice.name == slice_name:
if slice.keys.size() > 0:
var p = slice.keys[0].bounds
return Rect2(p.x, p.y, p.w, p.h)
return null
##
## Exports tileset layers
##
## Return (dictionary):
## data_file: path to aseprite generated JSON file
## sprite_sheet: localized path to spritesheet file
func export_tileset_texture(file_name: String, output_folder: String, options: Dictionary) -> Dictionary:
var exception_pattern = options.get('exception_pattern', "")
var only_visible_layers = options.get('only_visible_layers', false)
var output_name = file_name if options.get('output_filename') == "" else options.get('output_filename', file_name)
var basename = _get_file_basename(output_name)
var output_dir = ProjectSettings.globalize_path(output_folder)
var data_path = "%s/%s.json" % [output_dir, basename]
var sprite_sheet = "%s/%s.png" % [output_dir, basename]
var output = []
var arguments = [
"-b",
"--export-tileset",
"--data",
data_path,
"--format",
"json-array",
"--sheet",
sprite_sheet,
file_name
]
if not only_visible_layers:
arguments.push_front("--all-layers")
_add_ignore_layer_arguments(file_name, arguments, exception_pattern)
var exit_code = _execute(arguments, output)
if exit_code != 0:
printerr('aseprite: failed to export spritesheet')
printerr(output)
return {}
return {
"data_file": ProjectSettings.localize_path(data_path),
"sprite_sheet": ProjectSettings.localize_path(sprite_sheet)
}