151 lines
6.1 KiB
GDScript
151 lines
6.1 KiB
GDScript
extends Node
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#warning-ignore-all:return_value_discarded
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signal loading_stage_updated(stage) # String
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signal rom_loaded
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const THREADED_LOADING := false
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const STRUCT := preload('res://scripts/struct.gd')
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const STRUCT_SNES := preload('res://scripts/loaders/snes/structs.gd')
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var structdefs := {}
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const loader_cd_image := preload('res://scripts/loaders/cd/image.gd')
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var psx_productcode_regex := RegEx.new()
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const psx_ff5_productcodes = [
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'SLUS_008.79', # US Anthology, both 1.0 and 1.1
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'SCES_138.40', # EU/Aus Anthology
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'SLPM_860.81', # JP
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'SCPS_452.14', # JP original, untested
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]
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var rom_snes := File.new()
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var snes_data := {}
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var snes_bytes: PoolByteArray
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var snes_buffer: StreamPeerBuffer
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var thread: Thread
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func load_snes_structs(buffer: StreamPeerBuffer) -> Dictionary:
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var data := {}
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var rom_size := len(buffer.data_array)
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for key in Common.SNES_PSX_addresses:
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var d = Common.SNES_PSX_addresses[key]
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if d.format and (d.SNES < rom_size): # Don't try to grab RPGe bank E0-E7 stuff from a smaller JP ROM
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var s: STRUCT.StructType
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if d.format in structdefs:
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s = structdefs[d.format]
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else:
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s = STRUCT.get_structarraytype(d.format, structdefs)
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structdefs[d.format] = s
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if not s:
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assert(false, 'Invalid StructType: "%s"' % d.format)
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buffer.seek(d.SNES)
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if '.' in key:
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var keysplit: PoolStringArray = key.split('.', 1)
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var k0 := keysplit[0]
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var k1 = keysplit[1]
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if k1.is_valid_integer():
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k1 = int(k1)
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if not (k0 in data):
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data[k0] = {k1: s.get_value(buffer, [0, 0])}
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else:
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data[k0][k1] = s.get_value(buffer, [0, 0])
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else:
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data[key] = s.get_value(buffer, [0, 0])
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data['job_levels'] = []
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for job_id in 21:
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var ability_list_ptr: int = data.ptrs_job_ability_lists[job_id]
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var num_abilities: int = data.job_ability_counts[job_id]
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var ability_list := []
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buffer.seek(0x110000 + ability_list_ptr)
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for i in num_abilities:
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var abp_requirement: int = buffer.get_u16()
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var ability_learned: int = buffer.get_u8()
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ability_list.append({'ABP': abp_requirement, 'ability': ability_learned})
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data.job_levels.append(ability_list)
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return data
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var load_start_tick := 0
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func _on_loader_loading_stage_updated(stage: String, loader: String) -> void:
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var output := '%s: %s' % [loader, stage]
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#print(Time.get_time_string_from_system() + ' ' + output)
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print('@%dms - %s' % [Time.get_ticks_msec() - load_start_tick, output])
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emit_signal('loading_stage_updated', output)
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yield(get_tree(), 'idle_frame')
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func _load_snes_audio(data_and_buffer: Array):
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yield(_on_loader_loading_stage_updated('Loading sound samples and music data', 'SoundLoader'), 'completed')
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SoundLoader.parse_rom(data_and_buffer[0], data_and_buffer[1])
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func load_snes_rom_from_bytes(bytes: PoolByteArray) -> void:
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load_start_tick = Time.get_ticks_msec()
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if (len(bytes) % 1024) == 512: # Naive header strip
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bytes = bytes.subarray(512, -1)
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self.snes_bytes = bytes
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self.snes_buffer = StreamPeerBuffer.new()
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self.snes_buffer.data_array = bytes
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yield(_on_loader_loading_stage_updated('Loading struct definitions', 'StructLoader'), 'completed')
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self.snes_data = load_snes_structs(self.snes_buffer)
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if THREADED_LOADING:
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# Give this its own buffer if threaded, avoid file pointer conflicts
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var _thread_error = thread.start(self, '_load_snes_audio', [self.snes_data, self.snes_buffer.duplicate()])
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else:
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yield(self._load_snes_audio([self.snes_data, self.snes_buffer]), 'completed')
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yield(_on_loader_loading_stage_updated('Loading strings', 'StringLoader'), 'completed')
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StringLoader.connect('loading_stage_updated', self, '_on_loader_loading_stage_updated', ['StringLoader'])
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yield(StringLoader.load_snes_rom(self.snes_buffer, true), 'completed')
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yield(_on_loader_loading_stage_updated('Loading sprites', 'SpriteLoader'), 'completed')
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SpriteLoader.load_from_structs(self.snes_data)
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yield(_on_loader_loading_stage_updated('Loading enemy battle sprites', 'SpriteLoader'), 'completed')
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SpriteLoader.load_enemy_battle_sprites(self.snes_data, self.snes_buffer)
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yield(_on_loader_loading_stage_updated('Loading battle backgrounds', 'SpriteLoader'), 'completed')
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SpriteLoader.load_battle_bgs(self.snes_data, self.snes_buffer)
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yield(_on_loader_loading_stage_updated('Loading map data', 'MapLoader'), 'completed')
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MapLoader.load_snes_rom(self.snes_buffer)
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yield(_on_loader_loading_stage_updated('Finished loading!', 'RomLoader'), 'completed')
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emit_signal('rom_loaded')
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func load_snes_rom(filename: String) -> void:
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var error := rom_snes.open(filename, File.READ)
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if error == OK:
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# Copy entire SNES ROM to a buffer for StreamPeerBuffer usage.
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# Unfortunately, the File API is different and slightly worse than the StreamPeer API.
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var rom_size := rom_snes.get_len()
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var bytes := rom_snes.get_buffer(rom_size)
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load_snes_rom_from_bytes(bytes)
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func load_psx_folder(_dirname: String):
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pass
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func load_psx_image(filename: String):
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# While it would technically be possible to load everything with no temporary files,
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# It is more convenient to unpack the small files we care about to the user:// directory
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var rom_psx := File.new()
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var error := rom_psx.open(filename, File.READ)
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if error == OK:
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var cd := loader_cd_image.new(rom_psx)
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for key in cd.directory:
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var s = key.trim_prefix('./')
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var re_match := psx_productcode_regex.search(s)
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if re_match:
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print(re_match.get_string(0))
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print(cd.directory)
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func _ready():
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if THREADED_LOADING:
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thread = Thread.new()
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structdefs.merge(STRUCT.get_base_structarraytypes())
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STRUCT.parse_struct_definitions_from_tsv_filename('res://data/structs_SNES_stubs.tsv', structdefs)
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STRUCT.parse_struct_definitions_from_tsv_filename('res://data/5/structs/SNES_stubs.tsv', structdefs)
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structdefs.merge(STRUCT_SNES.get_structtypes(), true) # Overwrite the stubs!
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STRUCT.parse_struct_definitions_from_tsv_filename('res://data/5/structs/SNES_save.tsv', structdefs)
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STRUCT.parse_struct_definitions_from_tsv_filename('res://data/5/structs/SNES.tsv', structdefs)
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var _error := psx_productcode_regex.compile('(S[A-Z]{3}_\\d{3}\\.\\d{2});(\\d)')
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# Debugging breakpoint
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pass
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func _exit_tree() -> void:
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pass
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if THREADED_LOADING:
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thread.wait_to_finish()
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