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-rw-r--r--extractor/action.gd222
-rw-r--r--extractor/action_format.gd305
-rw-r--r--extractor/grf.gd20
-rw-r--r--extractor/sprite_format.gd (renamed from extractor/sprite.gd)85
4 files changed, 380 insertions, 252 deletions
diff --git a/extractor/action.gd b/extractor/action.gd
deleted file mode 100644
index 1865786..0000000
--- a/extractor/action.gd
+++ /dev/null
@@ -1,222 +0,0 @@
-class_name ActionFormat
-
-
-## Byte Length: 2 [br]
-## SP
-var signature: String = "AC"
-
-## Byte Type: u8 [br]
-## Byte Length: 2
-var version: Version
-
-## Byte Type: u16 [br]
-## Byte Length: 2
-var action_count: int
-
-## Byte Type: u8 [br]
-## Byte Length: 10
-var reserved: PackedByteArray
-
-## Length: [member action_count]
-var actions: Array[Action]
-
-## Byte Type: u16 [br]
-## Byte Length: 2
-var event_count: int
-
-## Length: [member event_count]
-var events: Array[Event]
-
-## Byte Type: f32 [br]
-## Byte Length: 4
-var frame_times: float
-
-
-func get_byte_length() -> int:
- var length := 22
-
- for action in actions:
- length += action.get_byte_length()
-
- length += Event.BYTE_LENGTH * event_count
-
- return length
-
-
-static func from_bytes(bytes: PackedByteArray):
- var action = ActionFormat.new()
-
- @warning_ignore("shadowed_variable")
- var version = Version.new()
- version.minor = bytes.decode_u8(2)
- version.major = bytes.decode_u8(3)
- action.version = version
-
- print(version)
-
- action.action_count = bytes.decode_u16(4)
- action.reserved = bytes.slice(6, 6 + 10)
-
- # TODO
- action.actions = [] as Array[Action]
-
- action.event_count = 0
-
- action.frame_times = 0.0
-
- print(inst_to_dict(action))
-
- return action
-
-
-class Action:
- ## Byte Type: u32 [br]
- ## Byte Length: 4
- var motion_count: int
-
- ## Length: [member motion_count]
- var motions: Array[Motion]
-
-
- func get_byte_length() -> int:
- var length := 4
- for motion in motions:
- length += motion.get_byte_length()
-
- return length
-
-
-class Motion:
- ## Byte Type: u8 [br]
- ## Byte Length: 32
- var unused: PackedByteArray
-
- ## Byte Type: u32 [br]
- ## Byte Length: 4
- var sprite_layer_count: int
-
- ## Length: [member sprite_layer_count]
- var sprite_layers: Array[SpriteLayer]
-
- ## Byte Type: i32 [br]
- ## Byte Length: 4
- var event_id: int
-
- ## Byte Type: u32 [br]
- ## Byte Length: 4
- var sprite_anchor_count: int
-
- ## Length: [member sprite_anchor_count]
- var sprite_anchors: Array[SpriteAnchor]
-
-
- func get_byte_length() -> int:
- return 44 + SpriteLayer.BYTE_LENGTH * sprite_layer_count + SpriteAnchor.BYTE_LENGTH * sprite_anchor_count
-
-
-class SpriteLayer:
- const BYTE_LENGTH := 48
-
- ## Byte Type: i32 [br]
- ## Byte Length: 4
- var position_u: int
-
- ## Byte Type: i32 [br]
- ## Byte Length: 4
- var position_v: int
-
- ## Byte Type: i32 [br]
- ## Byte Length: 4
- var sprite_index: int
-
- ## Byte Type: u32 [br]
- ## Byte Length: 4
- var is_flipped_vertical: int
-
- ## Byte Type: u8 [br]
- ## Byte Length: 1
- var color_r: int
-
- ## Byte Type: u8 [br]
- ## Byte Length: 1
- var color_g: int
-
- ## Byte Type: u8 [br]
- ## Byte Length: 1
- var color_b: int
-
- ## Byte Type: u8 [br]
- ## Byte Length: 1
- var color_a: int
-
- ## Byte Type: f32 [br]
- ## Byte Length: 4
- var scale_u: float
-
- ## Byte Type: f32 [br]
- ## Byte Length: 4
- var scale_v: float
-
- ## Byte Type: i32 [br]
- ## Byte Length: 4
- var rotation_degrees: int
-
- ## Byte Type: u32 [br]
- ## Byte Length: 4
- var sprite_type: int
-
- ## Byte Type: u32 [br]
- ## Byte Length: 4
- var sprite_width: int
-
- ## Byte Type: u32 [br]
- ## Byte Length: 4
- var sprite_height: int
-
-
- func get_position() -> Vector2:
- return Vector2(position_u, position_v)
-
-
- func get_color() -> Color:
- return Color8(color_r, color_g, color_b, color_a)
-
-
- func get_scale() -> Vector2:
- return Vector2(scale_u, scale_v)
-
-
- func get_size() -> Vector2:
- return Vector2(sprite_width, sprite_height)
-
-
-class SpriteAnchor:
- const BYTE_LENGTH := 16
-
- ## Byte Type: u8 [br]
- ## Byte Length: 4
- var unused: PackedByteArray
-
- ## Byte Type: i32 [br]
- ## Byte Length: 4
- var position_u: int
-
- ## Byte Type: i32 [br]
- ## Byte Length: 4
- var position_v: int
-
- ## Byte Type: u32 [br]
- ## Byte Length: 4
- var flag: int
-
-
- func get_position() -> Vector2:
- return Vector2(position_u, position_v)
-
-
-class Event:
- const BYTE_LENGTH := 40
-
- ## Byte Type: u8 [br]
- ## Byte Length: 40
- var name: String
diff --git a/extractor/action_format.gd b/extractor/action_format.gd
new file mode 100644
index 0000000..ff2ba64
--- /dev/null
+++ b/extractor/action_format.gd
@@ -0,0 +1,305 @@
+class_name ActionFormat
+
+
+## Byte Length: 2 [br]
+## AC
+var signature: String = "AC"
+
+## Byte Type: u8 [br]
+## Byte Length: 2
+var version: Version
+
+## Byte Type: u16 [br]
+## Byte Length: 2
+var action_count: int
+
+## Byte Type: u8 [br]
+## Byte Length: 10
+var reserved: PackedByteArray
+
+## Length: [member action_count]
+var actions: Array[ActionData]
+
+## Byte Type: u32 [br]
+## Byte Length: 4
+var event_count: int
+
+## Length: [member event_count]
+var events: Array[Event]
+
+## Byte Type: f32 [br]
+## Byte Length: [member action_count] [br]
+## The times are given in the unit of "ticks per displayed frame". [br]
+## Multiply by 24 to get the time in milliseconds.
+var frame_times: Array[float]
+
+
+func get_byte_length() -> int:
+ var length := 20
+
+ for action in actions:
+ length += action.get_byte_length()
+
+ length += Event.BYTE_LENGTH * event_count
+ length += 4 * action_count
+
+ return length
+
+
+static func from_bytes(bytes: ByteStream) -> ActionFormat:
+ var action_format = ActionFormat.new()
+
+ bytes.seek(2)
+
+ @warning_ignore("shadowed_variable")
+ var version = Version.new()
+ version.minor = bytes.decode_u8()
+ version.major = bytes.decode_u8()
+ action_format.version = version
+
+ action_format.action_count = bytes.decode_u16()
+ action_format.reserved = bytes.get_buffer(10).bytes
+
+ action_format.actions = [] as Array[ActionData]
+ for idx in action_format.action_count:
+ var action = ActionData.from_bytes(bytes)
+ action_format.actions.append(action)
+
+ action_format.event_count = bytes.decode_u32()
+ action_format.events = [] as Array[Event]
+ for idx in action_format.event_count:
+ var event = Event.from_bytes(bytes)
+ action_format.events.append(event)
+
+ action_format.frame_times = [] as Array[float]
+ for idx in action_format.action_count:
+ action_format.frame_times.append(bytes.decode_float())
+
+ return action_format
+
+
+class ActionData:
+ ## Byte Type: u32 [br]
+ ## Byte Length: 4
+ var motion_count: int
+
+ ## Length: [member motion_count]
+ var motions: Array[Motion]
+
+
+ func get_byte_length() -> int:
+ var length := 4
+ for motion in motions:
+ length += motion.get_byte_length()
+
+ return length
+
+
+ static func from_bytes(bytes: ByteStream) -> ActionData:
+ var action = ActionData.new()
+
+ action.motion_count = bytes.decode_u32()
+ action.motions = [] as Array[Motion]
+ for idx in action.motion_count:
+ var motion = Motion.from_bytes(bytes)
+ action.motions.append(motion)
+
+ return action
+
+
+class Motion:
+ ## Byte Type: u8 [br]
+ ## Byte Length: 32
+ var unused: PackedByteArray
+
+ ## Byte Type: u32 [br]
+ ## Byte Length: 4
+ var sprite_layer_count: int
+
+ ## Length: [member sprite_layer_count]
+ var sprite_layers: Array[SpriteLayer]
+
+ ## Byte Type: i32 [br]
+ ## Byte Length: 4
+ var event_id: int
+
+ ## Byte Type: u32 [br]
+ ## Byte Length: 4
+ var sprite_anchor_count: int
+
+ ## Length: [member sprite_anchor_count]
+ var sprite_anchors: Array[SpriteAnchor]
+
+
+ func get_byte_length() -> int:
+ return 44 + SpriteLayer.BYTE_LENGTH * sprite_layer_count + SpriteAnchor.BYTE_LENGTH * sprite_anchor_count
+
+
+ static func from_bytes(bytes: ByteStream):
+ var motion = Motion.new()
+
+ motion.unused = bytes.get_buffer(32).bytes
+
+ motion.sprite_layer_count = bytes.decode_u32()
+ motion.sprite_layers = [] as Array[SpriteLayer]
+ for idx in motion.sprite_layer_count:
+ var sprite_layer = SpriteLayer.from_bytes(bytes)
+ motion.sprite_layers.append(sprite_layer)
+
+ motion.event_id = bytes.decode_s32()
+
+ motion.sprite_anchor_count = bytes.decode_u32()
+ motion.sprite_anchors = [] as Array[SpriteAnchor]
+ for idx in motion.sprite_anchor_count:
+ var sprite_anchor = SpriteAnchor.from_bytes(bytes)
+ motion.sprite_anchor_count.append(sprite_anchor)
+
+ return motion
+
+
+class SpriteLayer:
+ const BYTE_LENGTH := 44
+
+ ## Byte Type: i32 [br]
+ ## Byte Length: 4
+ var position_u: int
+
+ ## Byte Type: i32 [br]
+ ## Byte Length: 4
+ var position_v: int
+
+ ## Byte Type: i32 [br]
+ ## Byte Length: 4
+ var sprite_index: int
+
+ ## Byte Type: u32 [br]
+ ## Byte Length: 4
+ var flip_h: int
+
+ ## Byte Type: u8 [br]
+ ## Byte Length: 1
+ var color_r: int
+
+ ## Byte Type: u8 [br]
+ ## Byte Length: 1
+ var color_g: int
+
+ ## Byte Type: u8 [br]
+ ## Byte Length: 1
+ var color_b: int
+
+ ## Byte Type: u8 [br]
+ ## Byte Length: 1
+ var color_a: int
+
+ ## Byte Type: f32 [br]
+ ## Byte Length: 4
+ var scale_u: float
+
+ ## Byte Type: f32 [br]
+ ## Byte Length: 4
+ var scale_v: float
+
+ ## Byte Type: i32 [br]
+ ## Byte Length: 4
+ var rotation_degrees: int
+
+ ## Byte Type: u32 [br]
+ ## Byte Length: 4
+ var type: int
+
+ ## Byte Type: u32 [br]
+ ## Byte Length: 4
+ var width: int
+
+ ## Byte Type: u32 [br]
+ ## Byte Length: 4
+ var height: int
+
+
+ func get_position() -> Vector2:
+ return Vector2(position_u, position_v)
+
+
+ func get_color() -> Color:
+ return Color8(color_r, color_g, color_b, color_a)
+
+
+ func get_scale() -> Vector2:
+ return Vector2(scale_u, scale_v)
+
+
+ func get_size() -> Vector2:
+ return Vector2(width, height)
+
+
+ static func from_bytes(bytes: ByteStream):
+ var sprite_layer = SpriteLayer.new()
+
+ sprite_layer.position_u = bytes.decode_s32()
+ sprite_layer.position_v = bytes.decode_s32()
+ sprite_layer.sprite_index = bytes.decode_s32()
+ sprite_layer.flip_h = bytes.decode_u32()
+ sprite_layer.color_r = bytes.decode_u8()
+ sprite_layer.color_g = bytes.decode_u8()
+ sprite_layer.color_b = bytes.decode_u8()
+ sprite_layer.color_a = bytes.decode_u8()
+ sprite_layer.scale_u = bytes.decode_float()
+ sprite_layer.scale_v = bytes.decode_float()
+ sprite_layer.rotation_degrees = bytes.decode_s32()
+ sprite_layer.type = bytes.decode_u32()
+ sprite_layer.width = bytes.decode_u32()
+ sprite_layer.height = bytes.decode_u32()
+
+ return sprite_layer
+
+
+class SpriteAnchor:
+ const BYTE_LENGTH := 16
+
+ ## Byte Type: u8 [br]
+ ## Byte Length: 4
+ var unused: PackedByteArray
+
+ ## Byte Type: i32 [br]
+ ## Byte Length: 4
+ var position_u: int
+
+ ## Byte Type: i32 [br]
+ ## Byte Length: 4
+ var position_v: int
+
+ ## Byte Type: u32 [br]
+ ## Byte Length: 4
+ var flag: int
+
+
+ func get_position() -> Vector2:
+ return Vector2(position_u, position_v)
+
+
+ static func from_bytes(bytes: ByteStream):
+ var sprite_anchor = SpriteAnchor.new()
+
+ sprite_anchor.unused = bytes.get_buffer(4).bytes
+ sprite_anchor.position_u = bytes.decode_s32()
+ sprite_anchor.position_v = bytes.decode_s32()
+ sprite_anchor.flag = bytes.decode_u32()
+
+ return sprite_anchor
+
+
+class Event:
+ const BYTE_LENGTH := 40
+
+ ## Byte Type: u8 [br]
+ ## Byte Length: 40
+ var name: String
+
+
+ static func from_bytes(bytes: ByteStream):
+ var event = Event.new()
+
+ event.name = bytes.get_string_from_utf8(BYTE_LENGTH)
+
+ return event
diff --git a/extractor/grf.gd b/extractor/grf.gd
index 3739c8c..7e7e93c 100644
--- a/extractor/grf.gd
+++ b/extractor/grf.gd
@@ -140,6 +140,7 @@ class FileEntry:
@warning_ignore("shadowed_variable")
static func from_bytes_with_filename(bytes: PackedByteArray, file_name: String):
+ print(file_name)
var file_entry = FileEntry.new()
file_entry.file_name = file_name
@@ -177,10 +178,10 @@ static func open(path: String):
file_entry_offset + file_name_size,
file_entry_offset + file_name_size + FileEntry.BYTE_LENGTH
),
- grf.file_table.decompressed_record_headers.slice(
+ GRF.decode_string(grf.file_table.decompressed_record_headers.slice(
file_entry_offset,
file_entry_offset + file_name_size
- ).get_string_from_ascii()
+ ))
)
grf.file_entries.append(file_entry)
@@ -201,3 +202,18 @@ func extract(destination: String = "res://data"):
# TODO: write pngs for sprites (and .tres files maybe if necessary)
# TODO: (also maybe write .tres files for action data files(whatever they are))
+
+
+
+static func decode_string(bytes: PackedByteArray):
+ return bytes.get_string_from_ascii()
+ # TODO: check unicode codepoints and parse accordingly
+ var string = bytes.get_string_from_utf32()
+ if string == "":
+ string = bytes.get_string_from_utf16()
+ if string == "":
+ string = bytes.get_string_from_utf8()
+ if string == "":
+ string = bytes.get_string_from_ascii()
+
+ return string
diff --git a/extractor/sprite.gd b/extractor/sprite_format.gd
index 410ce07..fab0873 100644
--- a/extractor/sprite.gd
+++ b/extractor/sprite_format.gd
@@ -1,4 +1,4 @@
-class_name Sprite
+class_name SpriteFormat
## Byte Length: 2 [br]
@@ -30,23 +30,33 @@ var rgba_image_data: Array[RGBAImageData]
## It must be cleared manually on load.
var palette: Array[PaletteColor]
+var filepath: String
-static func from_bytes(bytes: PackedByteArray):
- var sprite = Sprite.new()
+
+static func from_file(path: String) -> SpriteFormat:
+ var sprite_format = from_bytes(FileAccess.get_file_as_bytes(path))
+
+ sprite_format.filepath = path
+
+ return sprite_format
+
+
+static func from_bytes(bytes: PackedByteArray) -> SpriteFormat:
+ var sprite_format = SpriteFormat.new()
@warning_ignore("shadowed_variable")
var version = Version.new()
version.minor = bytes.decode_u8(2)
version.major = bytes.decode_u8(3)
- sprite.version = version
+ sprite_format.version = version
- sprite.palette_image_count = bytes.decode_u16(4)
- sprite.rgba_image_count = bytes.decode_u16(6)
+ sprite_format.palette_image_count = bytes.decode_u16(4)
+ sprite_format.rgba_image_count = bytes.decode_u16(6)
- sprite.palette_image_data = [] as Array[PaletteImageData]
+ sprite_format.palette_image_data = [] as Array[PaletteImageData]
var palette_image_offset = 8
var processed_palette_images = 0
- while processed_palette_images < sprite.palette_image_count:
+ while processed_palette_images < sprite_format.palette_image_count:
var data = PaletteImageData.new()
data.width = bytes.decode_u16(palette_image_offset)
data.height = bytes.decode_u16(palette_image_offset + 2)
@@ -59,28 +69,32 @@ static func from_bytes(bytes: PackedByteArray):
data.decode()
- sprite.palette_image_data.append(data)
+ sprite_format.palette_image_data.append(data)
processed_palette_images += 1
palette_image_offset += data.get_byte_length()
- sprite.rgba_image_data = [] as Array[RGBAImageData]
+ sprite_format.rgba_image_data = [] as Array[RGBAImageData]
var rgba_image_offset = palette_image_offset
var processed_rgba_images = 0
- while processed_rgba_images < sprite.rgba_image_count:
+ while processed_rgba_images < sprite_format.rgba_image_count:
var data = RGBAImageData.new()
data.width = bytes.decode_u16(rgba_image_offset)
data.height = bytes.decode_u16(rgba_image_offset + 2)
- data.data = bytes.slice(
- rgba_image_offset + 4,
- rgba_image_offset + 4 + (data.width * data.height * 4)
- )
+ data.data = [] as Array[RGBAImageData.Pixel]
+ for _idx in (data.width * data.height):
+ var pixel = RGBAImageData.Pixel.new()
+ pixel.r = bytes.decode_u8(rgba_image_offset + 4)
+ pixel.g = bytes.decode_u8(rgba_image_offset + 5)
+ pixel.b = bytes.decode_u8(rgba_image_offset + 6)
+ pixel.a = bytes.decode_u8(rgba_image_offset + 7)
+ data.data.append(pixel)
- sprite.rgba_image_data.append(data)
+ sprite_format.rgba_image_data.append(data)
processed_rgba_images += 1
rgba_image_offset += data.get_byte_length()
- sprite.palette = [] as Array[PaletteColor]
+ sprite_format.palette = [] as Array[PaletteColor]
var palette_offset = rgba_image_offset
while palette_offset < bytes.size():
var color = PaletteColor.new()
@@ -88,23 +102,38 @@ static func from_bytes(bytes: PackedByteArray):
color.g = bytes.decode_u8(palette_offset + 1)
color.b = bytes.decode_u8(palette_offset + 2)
color.a = bytes.decode_u8(palette_offset + 3)
- sprite.palette.append(color)
+ sprite_format.palette.append(color)
palette_offset += 4
- #print(sprite.palette_image_data[0].get_rgba_data(sprite.palette))
+ return sprite_format
+
+
+func save_to_file():
+ assert(filepath != "")
+
+ var base_dir = filepath.substr(0, filepath.length() - 4) # cut off .spr
+ DirAccess.make_dir_recursive_absolute(base_dir)
- for idx in sprite.palette_image_data.size():
- var d: PaletteImageData = sprite.palette_image_data[idx]
- var i = Image.create_from_data(
- d.width,
- d.height,
+ for idx in palette_image_data.size():
+ var data: PaletteImageData = palette_image_data[idx]
+ var image = Image.create_from_data(
+ data.width,
+ data.height,
false,
Image.FORMAT_RGBA8,
- d.get_rgba_data(sprite.palette)
+ data.get_rgba_data(palette)
)
- i.save_png("res://extractor/test/test-" + str(idx).pad_zeros(3) + ".png")
+
+ image.save_png("%s/%s.png" % [base_dir, str(idx).pad_zeros(3)])
+
+
+func files_exist() -> bool:
+ assert(filepath != "")
+
+ var base_dir = filepath.substr(0, filepath.length() - 4) # cut off .spr
- return sprite
+ return DirAccess.dir_exists_absolute(base_dir)
+
class PaletteImageData:
@@ -201,4 +230,4 @@ class RGBAImageData:
func get_byte_length() -> int:
- return width * height * data.size()
+ return 4 + width * height * Pixel.BYTE_LENGTH
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-22 19:31:07 +0000