mirror of
https://github.com/Ttanasart-pt/Pixel-Composer.git
synced 2024-12-28 16:06:20 +01:00
476 lines
No EOL
15 KiB
Text
476 lines
No EOL
15 KiB
Text
/*
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* ASE file reader
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* Author: MakhamDev
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* File spec from: https://github.com/aseprite/aseprite/blob/main/docs/ase-file-specs.md
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*/
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enum _BIN_TYPE {
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byte,
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word,
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short,
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dword,
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long,
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fixed,
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float,
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double,
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qword,
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long64,
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string,
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point,
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size,
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rect,
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color,
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pixel,
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}
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//ASE blend mode
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//Normal = 0
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//Multiply = 1
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//Screen = 2
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//Overlay = 3
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//Darken = 4
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//Lighten = 5
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//Color Dodge = 6
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//Color Burn = 7
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//Hard Light = 8
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//Soft Light = 9
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//Difference = 10
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//Exclusion = 11
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//Hue = 12
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//Saturation = 13
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//Color = 14
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//Luminosity = 15
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//Addition = 16
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//Subtract = 17
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//Divide = 18
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globalvar __ase_format_header; __ase_format_header = [
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[_BIN_TYPE.dword, "File size"],
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[_BIN_TYPE.word, "Magic number"],
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[_BIN_TYPE.word, "Frame amount"],
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[_BIN_TYPE.word, "Width"],
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[_BIN_TYPE.word, "Height"],
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[_BIN_TYPE.word, "Color depth"], //32: RGBA, 16: Grey, 8: Index
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[_BIN_TYPE.dword, "Flags"],
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[_BIN_TYPE.word, "Speed"], //DEPRECATED
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[_BIN_TYPE.dword, "0"],
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[_BIN_TYPE.dword, "0"],
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[_BIN_TYPE.byte, "Palette entry"], //For indexed sprite, index in palette that consider a transparent color.
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[_BIN_TYPE.byte, "Ignore", 3],
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[_BIN_TYPE.word, "Number of colors"],
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[_BIN_TYPE.byte, "Pixel width"], //If zero, then pixel ratio is 1:1
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[_BIN_TYPE.byte, "Pixel height"], //If zero, then pixel ratio is 1:1
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[_BIN_TYPE.short, "Grid X"],
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[_BIN_TYPE.short, "Grid Y"],
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[_BIN_TYPE.word, "Grid width"], //If zero, no grid
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[_BIN_TYPE.word, "Grid height"], //If zero, no grid
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[_BIN_TYPE.byte, "Unused", 84],
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];
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globalvar __ase_format_frame; __ase_format_frame = [
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[_BIN_TYPE.dword, "Length"],
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[_BIN_TYPE.word, "Magic number"],
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[_BIN_TYPE.word, "Chunk amount"], //If 0xFFFF, use "Chunk amount new"
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[_BIN_TYPE.word, "Duration"], //In millisec
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[_BIN_TYPE.byte, "Unused", 2],
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[_BIN_TYPE.dword, "Chunk amount new"],
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];
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globalvar __ase_format_chunk; __ase_format_chunk = [
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[_BIN_TYPE.dword, "Length"],
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[_BIN_TYPE.word, "Type"],
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];
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globalvar __ase_format_chunk_old_palette; __ase_format_chunk_old_palette = [
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[_BIN_TYPE.word, "Packet amount"],
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];
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globalvar __ase_format_chunk_old_palette_packet; __ase_format_chunk_old_palette_packet = [
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[_BIN_TYPE.byte, "Entries skip index"],
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[_BIN_TYPE.byte, "Color amount"],
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[_BIN_TYPE.color, "Colors", "Color amount"],
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];
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globalvar __ase_format_chunk_layer; __ase_format_chunk_layer = [
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[_BIN_TYPE.word, "Flag"], //1: Visible, 2: Editable, 4:Lock, 8:BG
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[_BIN_TYPE.word, "Layer type"], //0: Normal, 1: Group, 2: Tilemap
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[_BIN_TYPE.word, "Child level"],
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[_BIN_TYPE.word, "Ignore"],
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[_BIN_TYPE.word, "Ignore"],
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[_BIN_TYPE.word, "Blend mode"],
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[_BIN_TYPE.byte, "Opacity"],
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[_BIN_TYPE.byte, "Unused", 3],
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[_BIN_TYPE.string, "Name"],
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[_BIN_TYPE.dword, "Tileset index", 1, function(chunk) { return chunk[$ "Layer type"] == 2; }],
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];
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globalvar __ase_format_chunk_cel; __ase_format_chunk_cel = [
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[_BIN_TYPE.word, "Layer index"],
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[_BIN_TYPE.short, "X"],
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[_BIN_TYPE.short, "Y"],
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[_BIN_TYPE.byte, "Opacity"],
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[_BIN_TYPE.word, "Cel type"], //0: Raw image, 1: Linked, 2: Compressed image, 3: Compressed tilemap
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[_BIN_TYPE.byte, "Unused", 7],
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];
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globalvar __ase_format_chunk_cel_raw_image; __ase_format_chunk_cel_raw_image = [
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[_BIN_TYPE.word, "Width"],
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[_BIN_TYPE.word, "Height"],
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[_BIN_TYPE.pixel, "Pixels", function(chunk) { return chunk[$ "Width"] * chunk[$ "Width"]; }],
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];
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globalvar __ase_format_chunk_cel_linked; __ase_format_chunk_cel_linked = [
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[_BIN_TYPE.word, "Frame position"],
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];
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globalvar __ase_format_chunk_cel_compress_image; __ase_format_chunk_cel_compress_image = [
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[_BIN_TYPE.word, "Width"],
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[_BIN_TYPE.word, "Height"],
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//[_BIN_TYPE.long, "Raw cel", function(chunk) { return chunk[$ "Width"] * chunk[$ "Width"]; }],
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];
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globalvar __ase_format_chunk_cel_compress_tilemap; __ase_format_chunk_cel_compress_tilemap = [
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[_BIN_TYPE.word, "Width"],
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[_BIN_TYPE.word, "Height"],
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[_BIN_TYPE.word, "Bits per tile"],
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[_BIN_TYPE.dword, "Bitmask for tile ID"],
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[_BIN_TYPE.dword, "X flip"],
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[_BIN_TYPE.dword, "Y flip"],
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[_BIN_TYPE.dword, "90CW rotation"],
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[_BIN_TYPE.byte, "Unused", 10],
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//[_BIN_TYPE.tile, "Tiles", function(chunk) { return chunk[$ "Width"] * chunk[$ "Width"]; }],
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];
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globalvar __ase_format_chunk_cel_extra; __ase_format_chunk_cel_extra = [
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[_BIN_TYPE.dword, "Flag"],
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[_BIN_TYPE.fixed, "X"],
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[_BIN_TYPE.fixed, "Y"],
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[_BIN_TYPE.fixed, "Width"],
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[_BIN_TYPE.fixed, "Height"],
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[_BIN_TYPE.byte, "Unused", 16],
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];
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globalvar __ase_format_chunk_color_profile; __ase_format_chunk_color_profile = [
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[_BIN_TYPE.word, "Type"], //0: no profile, 1: sRGB, 2: ICC
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[_BIN_TYPE.word, "Flag"], //1: Fix gamma
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[_BIN_TYPE.fixed, "Fixed gamma"],
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[_BIN_TYPE.byte, "Unused", 8],
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[_BIN_TYPE.dword, "ICC Data length", 1, function(c) /*=>*/ {return c[$ "Type"] == 2}],
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[_BIN_TYPE.byte, "ICC Data", "ICC Data length", function(c) /*=>*/ {return c[$ "Type"] == 2}],
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];
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globalvar __ase_format_chunk_file; __ase_format_chunk_file = [
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[_BIN_TYPE.dword, "Entries"],
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[_BIN_TYPE.byte, "Unused", 8],
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];
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globalvar __ase_format_chunk_file_entry; __ase_format_chunk_file_entry = [
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[_BIN_TYPE.dword, "ID"],
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[_BIN_TYPE.byte, "File type"], //0: External palette, 1: External tileset, 2: Extension anme
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[_BIN_TYPE.byte, "Unused", 7],
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[_BIN_TYPE.string, "File name"],
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];
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globalvar __ase_format_chunk_tag; __ase_format_chunk_tag = [
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[_BIN_TYPE.word, "Tag amount"],
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[_BIN_TYPE.byte, "Unused", 8],
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];
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globalvar __ase_format_chunk_tag_entry; __ase_format_chunk_tag_entry = [
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[_BIN_TYPE.word, "Frame start"],
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[_BIN_TYPE.word, "Frame end"],
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[_BIN_TYPE.byte, "Loop"], //0: Forward, 1: Backward, 2: Ping pong, 3: Ping pong reverse
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[_BIN_TYPE.word, "Repeat amount"], //0: Infinite, N: N-times
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[_BIN_TYPE.byte, "Unused", 6],
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[_BIN_TYPE.color, "Color"],
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[_BIN_TYPE.byte, "Extra"],
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[_BIN_TYPE.string, "Name"],
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]
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globalvar __ase_format_chunk_palette; __ase_format_chunk_palette = [
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[_BIN_TYPE.dword, "Color amount"],
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[_BIN_TYPE.dword, "First index"],
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[_BIN_TYPE.dword, "Last index"],
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[_BIN_TYPE.byte, "Unused", 8],
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];
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globalvar __ase_format_chunk_palette_entry; __ase_format_chunk_palette_entry = [
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[_BIN_TYPE.word, "Flag"], //1: Has name
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[_BIN_TYPE.byte, "Red"],
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[_BIN_TYPE.byte, "Green"],
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[_BIN_TYPE.byte, "Blue"],
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[_BIN_TYPE.byte, "Alpha"],
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[_BIN_TYPE.string, "Name", 1, function(c) /*=>*/ {return c[$ "Flag"] & (1 << 0)}],
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];
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globalvar __ase_format_chunk_user_data; __ase_format_chunk_user_data = [
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[_BIN_TYPE.dword, "Flag"], //1: Text, 2: Color, 4: Properties
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[_BIN_TYPE.string, "Name", 1, function(c) /*=>*/ {return c[$ "Flag"] & (1 << 0)} ],
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[_BIN_TYPE.byte, "Red", 1, function(c) /*=>*/ {return c[$ "Flag"] & (1 << 1)} ],
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[_BIN_TYPE.byte, "Green", 1, function(c) /*=>*/ {return c[$ "Flag"] & (1 << 1)} ],
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[_BIN_TYPE.byte, "Blue", 1, function(c) /*=>*/ {return c[$ "Flag"] & (1 << 1)} ],
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[_BIN_TYPE.byte, "Alpha", 1, function(c) /*=>*/ {return c[$ "Flag"] & (1 << 1)} ],
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];
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globalvar __ase_format_chunk_user_data_prop; __ase_format_chunk_user_data_prop = [
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[_BIN_TYPE.dword, "Length"],
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[_BIN_TYPE.dword, "Prop amount"],
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]
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/* TODO: Use data read */
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globalvar __ase_format_chunk_slice; __ase_format_chunk_slice = [
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[_BIN_TYPE.dword, "Slice key amount"],
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[_BIN_TYPE.dword, "Flag"], //1: 9 slice, 2: pivot
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[_BIN_TYPE.dword, "Reserved"],
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[_BIN_TYPE.string, "Name"],
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];
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globalvar __ase_format_chunk_slice_key; __ase_format_chunk_slice_key = [
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[_BIN_TYPE.dword, "Frame number"],
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[_BIN_TYPE.long, "X"],
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[_BIN_TYPE.long, "Y"],
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[_BIN_TYPE.dword, "Width"],
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[_BIN_TYPE.dword, "Height"],
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];
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globalvar __ase_format_chunk_slice_nine; __ase_format_chunk_slice_nine = [
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[_BIN_TYPE.long, "Center X"],
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[_BIN_TYPE.long, "Center Y"],
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[_BIN_TYPE.dword, "Center width"],
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[_BIN_TYPE.dword, "Center height"],
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];
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globalvar __ase_format_chunk_slice_pivot; __ase_format_chunk_slice_pivot = [
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[_BIN_TYPE.long, "Pivot X"],
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[_BIN_TYPE.long, "Pivot Y"],
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];
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globalvar __ase_format_chunk_tileset; __ase_format_chunk_tileset = [
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[_BIN_TYPE.dword, "ID"],
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[_BIN_TYPE.dword, "Flag"], //1: Link to external file, 2: Include tile in this file, 4: Use ID 0 as empty tiles.
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[_BIN_TYPE.dword, "Tile amount"],
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[_BIN_TYPE.word, "Tile width"],
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[_BIN_TYPE.word, "Tile height"],
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[_BIN_TYPE.short, "Base index"],
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[_BIN_TYPE.byte, "Reserved", 14],
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[_BIN_TYPE.string, "Name"],
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[_BIN_TYPE.dword, "ID of external file", 1, function(c) /*=>*/ {return c[$ "Flag"] & (1 << 1)} ],
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[_BIN_TYPE.dword, "Tileset ID", 1, function(c) /*=>*/ {return c[$ "Flag"] & (1 << 1)} ],
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[_BIN_TYPE.dword, "Data length", 1, function(c) /*=>*/ {return c[$ "Flag"] & (1 << 2)} ],
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[_BIN_TYPE.pixel, "Compressed image", "Data length", function(c) /*=>*/ {return c[$ "Flag"] & (1 << 2)} ],
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];
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function read_format_type(_bin, datType, outMap) {
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switch(datType) {
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case _BIN_TYPE.byte: return bin_read_byte(_bin);
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case _BIN_TYPE.word: return bin_read_word(_bin);
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case _BIN_TYPE.short: return bin_read_short(_bin);
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case _BIN_TYPE.dword: return bin_read_dword(_bin);
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case _BIN_TYPE.long: return bin_read_long(_bin);
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case _BIN_TYPE.fixed: return bin_read_fixed(_bin);
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case _BIN_TYPE.float: return bin_read_float(_bin);
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case _BIN_TYPE.double: return bin_read_double(_bin);
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case _BIN_TYPE.qword: return bin_read_qword(_bin);
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case _BIN_TYPE.long64: return bin_read_long64(_bin);
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case _BIN_TYPE.string: return bin_read_string(_bin);
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case _BIN_TYPE.point: return bin_read_point(_bin);
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case _BIN_TYPE.size: return bin_read_size(_bin);
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case _BIN_TYPE.rect: return bin_read_rect(_bin);
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case _BIN_TYPE.color: return bin_read_color(_bin);
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case _BIN_TYPE.pixel: return bin_read_pixel(_bin, outMap[$ "Color depth"]);
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}
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return 0;
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}
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function read_format(_bin, format, outMap) {
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var datType = array_safe_get_fast(format, 0, 0);
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var key = array_safe_get_fast(format, 1, "");
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var amount = array_safe_get_fast(format, 2, 1);
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if(is_string(amount)) amount = struct_has(outMap, amount)? outMap[$ amount] : 1;
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else if(is_method(amount)) amount = amount(outMap);
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if(amount == 1) {
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var val = read_format_type(_bin, datType, outMap);
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outMap[$ key] = val;
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return val;
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} else {
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var a = array_create(amount);
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for( var i = 0; i < amount; i++ )
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a[i] = read_format_type(_bin, datType, outMap);
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outMap[$ key] = a;
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return a;
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}
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}
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function read_format_array(_bin, formatArr, outMap) {
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for( var i = 0, n = array_length(formatArr); i < n; i++ ) {
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var _form = formatArr[i];
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if(array_length(_form) >= 4 && !_form[3](outMap))
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continue;
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var pos = file_bin_position(_bin);
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var val = read_format(_bin, _form, outMap);
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//printIf(global.FLAG.ase_import, "Pos " + dec_to_hex(pos) + " - " + dec_to_hex(file_bin_position(_bin)));
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if(_form[1] == "Type") printIf(global.FLAG.ase_import, $"\t{_form[1]}:\t 0x{dec_to_hex(val, 4)}");
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else printIf(global.FLAG.ase_import, $"\t{_form[1]}:\t {string(val)}");
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}
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}
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function read_ase(path) { //// MAIN READ
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printIf(global.FLAG.ase_import, $"===== Reading: {path} =====");
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var file = file_bin_open(path, 0);
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if(file < 0) { noti_warning($"ASE file read error."); return noone; }
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file_bin_seek(file, 0);
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fileMap = {};
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read_format_array(file, __ase_format_header, fileMap);
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var frames = [];
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var frameAmo = struct_try_get(fileMap, "Frame amount", 0);
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for( var i = 0; i < frameAmo; i++ ) {
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printIf(global.FLAG.ase_import, $"\n=== Reading frame {i} ===");
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array_push(frames, read_ase_frame(file));
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}
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fileMap[$ "Frames"] = frames;
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file_bin_close(file);
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return fileMap;
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}
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function read_ase_frame(file) {
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var frame = {};
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read_format_array(file, __ase_format_frame, frame);
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var chunks = [];
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var chunkAmo = struct_try_get(frame, "Chunk amount", 0);
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if(chunkAmo == 0xFFFF)
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chunkAmo = struct_try_get(frame, "Chunk amount new", chunkAmo);
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for( var i = 0; i < chunkAmo; i++ ) {
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printIf(global.FLAG.ase_import, $"\n=== Reading chunk {i} ===");
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array_push(chunks, read_ase_chunk(file));
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}
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frame[$ "Chunks"] = chunks;
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return frame;
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}
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function read_ase_chunk(file) {
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var chunk = {};
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var startPos = file_bin_position(file);
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read_format_array(file, __ase_format_chunk, chunk);
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var skipPos = startPos + chunk[$ "Length"];
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switch(chunk[$ "Type"]) {
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case 0x0004: //old palette
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case 0x0011: //old palette
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printIf(global.FLAG.ase_import, "\n -- Reading chunk [Old palette] -- ");
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read_format_array(file, __ase_format_chunk_old_palette, chunk);
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var cc = [];
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for( var i = 0; i < chunk[$ "Packet amount"]; i++ ) {
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cc[i] = {};
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read_format_array(file, __ase_format_chunk_old_palette_packet, cc[i]);
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}
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chunk[$ "Packets"] = cc;
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break;
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case 0x2004: //layer
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printIf(global.FLAG.ase_import, "\n -- Reading chunk [Layer] -- ");
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read_format_array(file, __ase_format_chunk_layer, chunk);
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break;
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case 0x2005: //cel
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printIf(global.FLAG.ase_import, "\n -- Reading chunk [Cel] -- ");
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read_format_array(file, __ase_format_chunk_cel, chunk);
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var type = chunk[$ "Cel type"];
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switch(type) {
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case 0 : read_format_array(file, __ase_format_chunk_cel_raw_image, chunk); break;
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case 1 : read_format_array(file, __ase_format_chunk_cel_linked, chunk); break;
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case 2 :
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read_format_array(file, __ase_format_chunk_cel_compress_image, chunk);
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chunk[$ "Surface"] = noone;
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var compressLength = (skipPos - file_bin_position(file));
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var _compBuff = buffer_create(compressLength * buffer_sizeof(buffer_u8), buffer_grow, 1);
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buffer_seek(_compBuff, buffer_seek_start, 0);
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repeat(compressLength) {
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var byte = file_bin_read_byte(file);
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buffer_write(_compBuff, buffer_u8, byte);
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}
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var _rawBuff = buffer_decompress(_compBuff);
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if(_rawBuff != -1) chunk[$ "Buffer"] = _rawBuff;
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printIf(global.FLAG.ase_import, $" Buffer size: {compressLength}");
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buffer_delete(_compBuff);
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break;
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case 3 :
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read_format_array(file, __ase_format_chunk_cel_compress_tilemap, chunk);
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//TILE READ
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break;
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}
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break;
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case 0x2006: break; //cel extra
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case 0x2007: //color profile
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printIf(global.FLAG.ase_import, "\n -- Reading chunk [Color profile] -- ");
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read_format_array(file, __ase_format_chunk_color_profile, chunk);
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break;
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case 0x2008: break; //external file
|
|
case 0x2009: break; //mask DEPRECATED
|
|
case 0x2017: break; //path
|
|
|
|
case 0x2018: //tag
|
|
printIf(global.FLAG.ase_import, "\n -- Reading chunk [Tag] -- ");
|
|
read_format_array(file, __ase_format_chunk_tag, chunk);
|
|
var amo = chunk[$ "Tag amount"]
|
|
var tags = [];
|
|
repeat(amo) {
|
|
var m = {};
|
|
read_format_array(file, __ase_format_chunk_tag_entry, m);
|
|
array_push(tags, m);
|
|
}
|
|
chunk[$ "Tags"] = tags;
|
|
break;
|
|
|
|
case 0x2019: //palette
|
|
printIf(global.FLAG.ase_import, "\n -- Reading chunk [Palette] -- ");
|
|
read_format_array(file, __ase_format_chunk_palette, chunk);
|
|
var cc = [];
|
|
for( var i = 0; i < chunk[$ "Color amount"]; i++ ) {
|
|
cc[i] = {};
|
|
read_format_array(file, __ase_format_chunk_palette_entry, cc[i]);
|
|
}
|
|
chunk[$ "Palette"] = cc;
|
|
break;
|
|
|
|
case 0x2020: break; //user data
|
|
case 0x2022: break; //slice
|
|
case 0x2023: break; //tileset
|
|
}
|
|
|
|
file_bin_seek(file, skipPos - file_bin_position(file));
|
|
|
|
return chunk;
|
|
} |