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This commit is contained in:
veclavtlica
2026-11-01 16:00:46 +03:00
parent 7b74d0606f
commit 6bd30e9ad9
21 changed files with 1915 additions and 19 deletions
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##
## Godot Mod Player Plugin by arlez80 (Yui Kinomoto)
##
@tool
extends EditorPlugin
# Nothing to do, the main logic to expose this to the user
# is done via `class_name` in `ModPlayer.gd`.
func _get_plugin_name():
return "Godot Mod Player"
@@ -0,0 +1 @@
uid://bfmp165qm0qf
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##
## MOD parser by あるる(きのもと 結衣) @arlez80
##
## MIT License
##
@warning_ignore_start("untyped_declaration")
@warning_ignore_start("unsafe_method_access")
@warning_ignore_start("unused_variable")
class_name Mod
const period_table:Array[int] = [
1712,1616,1525,1440,1357,1281,1209,1141,1077,1017, 961, 907,
856, 808, 762, 720, 678, 640, 604, 570, 538, 508, 480, 453,
428, 404, 381, 360, 339, 320, 302, 285, 269, 254, 240, 226,
214, 202, 190, 180, 170, 160, 151, 143, 135, 127, 120, 113,
107, 101, 95, 90, 85, 80, 76, 71, 67, 64, 60, 57,
]
enum ModFlags {
LINEAR_FREQUENCY_TABLE = 1,
}
enum ModWaveFormType {
SINE_WAVEFORM = 0,
SAW_WAVEFORM = 1,
SQUARE_WAVEFORM = 2,
RAMDOM_WAVEFORM = 3,
REV_SAW_WAVEFORM = 4,
}
enum ModLoopType {
NO_LOOP = 0,
FORWARD_LOOP = 1,
PING_PONG_LOOP = 2,
}
class ModData:
var module_name:String
var tracker_name:String
var version:int
var flags:int = 0
var song_length:int
var unknown_number:int
var channel_count:int
var song_positions:PackedByteArray
var magic:String
var patterns:Array # ModPattern[][]
var instruments:Array[ModInstrument]
var init_tick:int = 6
var init_bpm:int = 125
var restart_position:int = 0
class ModPatternNote:
var key_number:int
var note:int
var instrument:int
var volume:int = 0
var effect_command:int
var effect_param:int
class ModInstrument:
var name:String
var samples:Array[ModSample]
var volume_envelope:ModEnvelope
var panning_envelope:ModEnvelope
var vibrato_type:ModWaveFormType = ModWaveFormType.SINE_WAVEFORM
var vibrato_speed:int = -1
var vibrato_depth:int = -1
var vibrato_depth_shift:int = -1
var volume_fadeout:int = -1
class ModSample:
var data:PackedByteArray
var name:String
var length:int
var loop_start:int
var loop_length:int
var volume:int
var finetune:int
var loop_type:int = ModLoopType.FORWARD_LOOP # set(ModLoopType)
var bit:int = 8 # 8 or 16
var panning:int = -1
var relative_note:int = 0
class ModEnvelope:
var points:Array[ModEnvelopePoint]
var point_count:int
var sustain_point:int
var loop_start_point:int
var loop_end_point:int
var enabled:bool
var sustain_enabled:bool
var loop_enabled:bool
func set_flag( f:int ):
self.enabled = ( f & 1 ) != 0
self.sustain_enabled = ( f & 2 ) != 0
self.loop_enabled = ( f & 4 ) != 0
class ModEnvelopePoint:
var frame:int
var value:int
class ModParseResult:
var error:int = OK
var data:ModData = null
func _init():
pass
## ファイルから読み込み
## @param path ファイルパス
## @return 読んだ Modファイルデータ
func read_file( path:String ) -> ModParseResult:
var result: = ModParseResult.new( )
var f: = FileAccess.open( path, FileAccess.READ )
if f.get_error( ) != OK:
result.error = f.get_error( )
return result
var stream:StreamPeerBuffer = StreamPeerBuffer.new( )
stream.set_data_array( f.get_buffer( f.get_length( ) ) )
stream.big_endian = true
result.data = self._read( stream )
return result
## 配列から読み込み
## @param data データ
## @return ModData
func read_data( data:PackedByteArray ) -> ModParseResult:
var stream:StreamPeerBuffer = StreamPeerBuffer.new( )
stream.set_data_array( data )
stream.big_endian = true
var result: = ModParseResult.new( )
result.data = self._read( stream )
return result
## ストリームから読み込み
## @param stream ストリーム
## @return 読んだ Modファイルデータ
func _read( stream:StreamPeerBuffer ) -> ModData:
var mod: = ModData.new( )
mod.module_name = self._read_string( stream, 20 )
mod.tracker_name = ""
mod.instruments = self._read_instruments( stream )
mod.song_length = stream.get_u8( )
mod.unknown_number = stream.get_u8( )
mod.song_positions = stream.get_partial_data( 128 )[1]
var max_song_position:int = 0
for sp in mod.song_positions:
if max_song_position < sp:
max_song_position = sp
mod.magic = self._read_string( stream, 4 )
var channel_count:int = 4
match mod.magic:
"6CHN":
channel_count = 6
"FLT8", "8CHN", "CD81", "OKTA":
channel_count = 8
"16CN":
channel_count = 16
"32CN":
channel_count = 32
_:
if mod.magic.substr( 2 ) == "CH":
channel_count = int( mod.magic )
# print( "Unknown magic" )
# breakpoint
pass
mod.channel_count = channel_count
mod.patterns = self._read_patterns( stream, max_song_position + 1, channel_count )
self._read_sample_data( stream, mod.instruments )
return mod
## 楽器データを読み込む
## @param stream ストリーム
## @return 楽器データ
func _read_instruments( stream:StreamPeerBuffer ) -> Array[ModInstrument]:
var instruments:Array[ModInstrument] = []
for i in range( 31 ):
var sample: = ModSample.new( )
sample.name = self._read_string( stream, 22 )
sample.length = stream.get_u16( ) * 2
var finetune:int = stream.get_u8( ) & 0x0F
if 0x08 < finetune:
finetune = finetune - 0x10
sample.finetune = finetune * 16
sample.volume = stream.get_u8( )
sample.loop_start = stream.get_u16( ) * 2
sample.loop_length = stream.get_u16( ) * 2
if sample.loop_length < 8:
sample.loop_type = ModLoopType.NO_LOOP
else:
sample.loop_type = ModLoopType.FORWARD_LOOP
var instrument: = ModInstrument.new( )
instrument.name = sample.name
instrument.samples = []
for k in range( 96 ):
instrument.samples.append( sample )
instrument.volume_envelope = ModEnvelope.new( )
instrument.volume_envelope.enabled = false
instrument.panning_envelope = ModEnvelope.new( )
instrument.panning_envelope.enabled = false
instruments.append( instrument )
return instruments
## パターンを読み込む
## @param stream ストリームデータ
## @param max_positions 最大パターン数
## @param channels 最大チャンネル数
## @return パターンデータ
func _read_patterns( stream:StreamPeerBuffer, max_position:int, channels:int ) -> Array: # Array of Array of Array of ModPatternNote
var patterns:Array = [] # Array of Array of Array of ModPatternNote
for position in ( max_position ):
var pattern:Array = [] # Array of Array of ModPatternNote
for i in range( 64 ):
var line:Array[ModPatternNote] = []
for ch in ( channels ):
var v1:int = stream.get_u16( )
var v2:int = stream.get_u16( )
var mod_pattern_note: = ModPatternNote.new( )
mod_pattern_note.instrument = ( ( v1 >> 8 ) & 0xF0 ) | ( ( v2 >> 12 ) & 0x0F )
mod_pattern_note.key_number = v1 & 0x0FFF
mod_pattern_note.effect_command = ( v2 >> 8 ) & 0x0F
mod_pattern_note.effect_param = v2 & 0x0FF
# TODO: 遅かったら二分探索にでもしませんか
if 0 < mod_pattern_note.key_number:
mod_pattern_note.note = 23
for k in period_table:
mod_pattern_note.note += 1
if k <= mod_pattern_note.key_number:
break
else:
mod_pattern_note.note = 0
line.append( mod_pattern_note )
pattern.append( line )
patterns.append( pattern )
return patterns
## 楽器のデータに基づき、波形を読み込む
## @param stream ストリーム
## @param instruments 波形を読み込む楽器データリスト
func _read_sample_data( stream:StreamPeerBuffer, instruments:Array[ModInstrument] ) -> void:
for instrument in instruments:
var sample:Mod.ModSample = instrument.samples[0]
if 0 < sample.length:
sample.data = stream.get_partial_data( sample.length )[1]
## 文字列の読み込み
## @param stream ストリーム
## @param size 文字列サイズ
## @return 読み込んだ文字列を返す
func _read_string( stream:StreamPeerBuffer, size:int ) -> String:
return stream.get_partial_data( size )[1].get_string_from_ascii( )
@@ -0,0 +1 @@
uid://ii8p1hyx5nbe
File diff suppressed because it is too large Load Diff
@@ -0,0 +1 @@
uid://djgd6mugw2s47
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[gd_scene load_steps=2 format=3 uid="uid://x5sjwrimtdmi"]
[ext_resource type="Script" path="res://addons/modplayer/ModPlayer.gd" id="1"]
[node name="ModPlayer" type="Node"]
script = ExtResource("1")
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##
## XM parser by あるる(きのもと 結衣) @arlez80
##
## This script required Mod.gd for declaring the data structures.
##
## MIT License
##
@warning_ignore_start("untyped_declaration")
@warning_ignore_start("unsafe_method_access")
@warning_ignore_start("unused_variable")
@warning_ignore_start("int_as_enum_without_cast")
@warning_ignore_start("return_value_discarded")
class_name XM
enum XMNoteFlags {
NOTE = 0x01,
INSTRUMENT = 0x02,
VOLUME = 0x04,
EFFECT_COMMAND = 0x08,
EFFECT_PARAM = 0x10,
FIRST_BYTE_AS_FLAGS = 0x80,
}
## ファイルから読み込む
## @param path ファイルパス
## @return xm
func read_file( path:String ) -> Mod.ModParseResult:
var result: = Mod.ModParseResult.new( )
var f: = FileAccess.open( path, FileAccess.READ )
if f.get_error( ) != OK:
result.error = f.get_error( )
return result
var stream:StreamPeerBuffer = StreamPeerBuffer.new( )
stream.set_data_array( f.get_buffer( f.get_length( ) ) )
result.data = self._read( stream )
if result.data == null:
result.error = ERR_PARSE_ERROR
return result
## 配列から読み込む
## @param data データ
## @return xm
func read_data( data:PackedByteArray ) -> Mod.ModParseResult:
var stream:StreamPeerBuffer = StreamPeerBuffer.new( )
stream.set_data_array( data )
var result: = Mod.ModParseResult.new( )
result.data = self._read( stream )
if result.data == null:
result.error = ERR_PARSE_ERROR
return result
## ストリームから読み込み
## @param stream ストリーム
## @return xm
func _read( stream:StreamPeerBuffer ) -> Mod.ModData:
var xm: = Mod.ModData.new( )
if self._read_string( stream, 17 ) != "Extended Module: ":
return null
xm.module_name = self._read_string( stream, 20 )
if stream.get_u8( ) != 0x1A:
return null
xm.tracker_name = self._read_string( stream, 20 )
xm.version = stream.get_u16( )
var header_size:int = stream.get_u32( )
xm.song_length = stream.get_u16( )
xm.restart_position = stream.get_u16( )
xm.channel_count = stream.get_u16( )
var pattern_count:int = stream.get_u16( )
var instrument_count:int = stream.get_u16( )
xm.flags = stream.get_u16( )
xm.init_tick = stream.get_u16( )
xm.init_bpm = stream.get_u16( )
xm.song_positions = stream.get_partial_data( header_size - 20 )[1]
xm.patterns = self._read_patterns( stream, xm.flags, pattern_count, xm.channel_count )
if len( xm.patterns ) == 0:
return null
xm.instruments = self._read_instruments( stream, instrument_count )
if len( xm.instruments ) == 0:
return null
return xm
## パターン読み込み
## @param stream ストリーム
## @param xm_file_flags XMデータに関するフラグ
## @param pattern_count パターン数
## @param channles 最大チャンネル数
## @return パターンデータ
func _read_patterns( stream:StreamPeerBuffer, xm_file_flags:int, pattern_count:int, channels:int ) -> Array: # Array of Array of Array of ModPatternNote
var patterns:Array = [] # Array of Array of Array of ModPatternNote
for i in ( pattern_count ):
var pattern:Array = [] # Array of Array of ModPatternNote
if stream.get_u32( ) != 9:
return []
if stream.get_u8( ) != 0:
return []
var row_count:int = stream.get_u16( )
var size:int = stream.get_u16( )
for k in ( row_count ):
var line:Array[Mod.ModPatternNote] = []
for ch in ( channels ):
var patr: = Mod.ModPatternNote.new( )
if 0 < size:
var first:int = stream.get_u8( )
size -= 1
if first & XMNoteFlags.FIRST_BYTE_AS_FLAGS != 0:
if first & XMNoteFlags.NOTE != 0:
patr.note = stream.get_u8( )
size -= 1
else:
patr.note = first
first = 0xFF
if 0 < patr.note:
patr.note -= 1
if first & XMNoteFlags.INSTRUMENT != 0:
patr.instrument = stream.get_u8( )
size -= 1
if first & XMNoteFlags.VOLUME != 0:
patr.volume = stream.get_u8( )
size -= 1
if first & XMNoteFlags.EFFECT_COMMAND != 0:
patr.effect_command = stream.get_u8( )
size -= 1
if first & XMNoteFlags.EFFECT_PARAM != 0:
patr.effect_param = stream.get_u8( )
size -= 1
if 0 < patr.note:
if xm_file_flags & Mod.ModFlags.LINEAR_FREQUENCY_TABLE != 0:
patr.key_number = self._conv_linear_freq( patr.note )
else:
patr.key_number = self._conv_amiga_freq( patr.note )
line.append( patr )
pattern.append( line )
patterns.append( pattern )
return patterns
## ノート番号からAMIGA式で周波数計算する
## @param note ノート番号
## @return 周波数
func _conv_amiga_freq( note:int ) -> int:
return int( 6848.0 / pow( 2.0, note / 12.0 ) )
## ノート番号から線形で周波数計算する
## @param note ノート番号
## @return 周波数
func _conv_linear_freq( note:int ) -> int:
return 7680 - note * 64
## 楽器データを読み込む
## @param stream ストリーム
## @param instrument_count 楽器数
## @return 楽器データ
func _read_instruments( stream:StreamPeerBuffer, instrument_count:int ) -> Array[Mod.ModInstrument]:
var instruments:Array[Mod.ModInstrument] = []
for i in ( instrument_count ):
var inst: = Mod.ModInstrument.new( )
var size:int = stream.get_u32( )
var remain_size:int = size
inst.name = self._read_string( stream, 22 )
#print( "%d/%d %s" % [ i, instrument_count, inst.name] )
var instrument_type:int = stream.get_u8( )
if instrument_type != 0:
# 0以外のやつもいるらしいので無視
#return []
pass
var sample_count:int = stream.get_u16( )
var sample_numbers:Array = []
remain_size -= 4 + 22 + 1 + 2
if 0 < sample_count:
var sample_header_size:int = stream.get_u32( )
sample_numbers = stream.get_partial_data( 96 )[1]
inst.volume_envelope = Mod.ModEnvelope.new( )
for k in range( 12 ):
var ve: = Mod.ModEnvelopePoint.new( )
ve.frame = stream.get_u16( )
ve.value = stream.get_u16( )
inst.volume_envelope.points.append( ve )
inst.panning_envelope = Mod.ModEnvelope.new( )
for k in range( 12 ):
var pe: = Mod.ModEnvelopePoint.new( )
pe.frame = stream.get_u16( )
pe.value = stream.get_u16( )
inst.panning_envelope.points.append( pe )
remain_size -= 4 + 96 + 48 + 48
inst.volume_envelope.point_count = stream.get_u8( )
inst.panning_envelope.point_count = stream.get_u8( )
inst.volume_envelope.sustain_point = stream.get_u8( )
inst.volume_envelope.loop_start_point = stream.get_u8( )
inst.volume_envelope.loop_end_point = stream.get_u8( )
inst.panning_envelope.sustain_point = stream.get_u8( )
inst.panning_envelope.loop_start_point = stream.get_u8( )
inst.panning_envelope.loop_end_point = stream.get_u8( )
inst.volume_envelope.set_flag( stream.get_u8( ) )
inst.panning_envelope.set_flag( stream.get_u8( ) )
inst.vibrato_type = stream.get_u8( )
inst.vibrato_speed = stream.get_u8( )
inst.vibrato_depth = stream.get_u8( )
inst.vibrato_depth_shift = stream.get_u8( )
inst.volume_fadeout = stream.get_u16( )
remain_size -= 16
if 0 < remain_size:
stream.get_partial_data( remain_size ) # reserved
if 0 < sample_count:
var sounds:Array[Mod.ModSample] = []
# Sound Header
for k in ( sample_count ):
var xms: = Mod.ModSample.new( )
xms.length = stream.get_u32( )
xms.loop_start = stream.get_u32( )
xms.loop_length = stream.get_u32( )
xms.volume = stream.get_u8( )
xms.finetune = stream.get_8( )
xms.loop_type = stream.get_u8( )
if xms.loop_type & 16 != 0:
xms.bit = 16
xms.loop_type &= 3
xms.panning = stream.get_u8( )
xms.relative_note = stream.get_8( )
stream.get_u8( ) # Reserved
xms.name = self._read_string( stream, 22 )
sounds.append( xms )
# Sound Data
for xms in sounds:
var d:Array[int] = []
var p:int = 0
if xms.bit == 16:
for k in ( xms.length >> 1 ):
p += stream.get_16( )
d.append( p & 0xFF )
d.append( ( p >> 8 ) & 0xFF )
else:
for k in ( xms.length ):
p += stream.get_8( )
d.append( p & 0xFF )
xms.data = PackedByteArray( d )
inst.samples = []
for k in sample_numbers:
if len( sounds ) <= k:
inst.samples.append( sounds[0] )
else:
inst.samples.append( sounds[k] )
instruments.append( inst )
return instruments
## 文字列の読み込み
## @param stream ストリーム
## @param size 文字列サイズ
## @return 読み込んだ文字列を返す
func _read_string( stream:StreamPeerBuffer, size:int ) -> String:
return stream.get_partial_data( size )[1].get_string_from_ascii( )
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uid://cmuxvykwoxljq
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@@ -0,0 +1,40 @@
[remap]
importer="texture"
type="CompressedTexture2D"
uid="uid://ba4eaiuaq67p"
path="res://.godot/imported/icon.png-1b6fd777bf08247b7c845db8b9125613.ctex"
metadata={
"vram_texture": false
}
[deps]
source_file="res://godot-mod-player-g4-master/addons/modplayer/icon.png"
dest_files=["res://.godot/imported/icon.png-1b6fd777bf08247b7c845db8b9125613.ctex"]
[params]
compress/mode=0
compress/high_quality=false
compress/lossy_quality=0.7
compress/uastc_level=0
compress/rdo_quality_loss=0.0
compress/hdr_compression=1
compress/normal_map=0
compress/channel_pack=0
mipmaps/generate=false
mipmaps/limit=-1
roughness/mode=0
roughness/src_normal=""
process/channel_remap/red=0
process/channel_remap/green=1
process/channel_remap/blue=2
process/channel_remap/alpha=3
process/fix_alpha_border=true
process/premult_alpha=false
process/normal_map_invert_y=false
process/hdr_as_srgb=false
process/hdr_clamp_exposure=false
process/size_limit=0
detect_3d/compress_to=1
@@ -0,0 +1,6 @@
[plugin]
name="Godot Mod Player"
description="A plugin that playing Mod Files for Godot Engine."
author="arlez80"
version="4.3.0"
script="GMP.gd"