mirror of
https://github.com/RetroDECK/RetroQUEST.git
synced 2025-04-21 01:24:06 +00:00
99 lines
2.7 KiB
GDScript
99 lines
2.7 KiB
GDScript
extends Node
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@onready var sub_viewport = $room/SubViewport
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@onready var texture_rect = $room/SubViewport/TextureRect
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var current_core : Object = null # The emulator core (passed dynamically)
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var current_rom : String = "" # Initialize to an empty string
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func start_emulation(core_path: String, rom_path: String) -> bool:
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print("Starting emulation with core: ", core_path, ", ROM: ", rom_path)
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if not core_path or not rom_path:
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push_error("Core path or ROM path is missing.")
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return false
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# Load the core (emulator)
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print("Loading core...")
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current_core = load(core_path)
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if not current_core:
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push_error("Failed to load core: " + core_path)
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return false
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print("Core loaded successfully.")
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current_core.initialize()
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# Load the ROM
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print("Checking ROM file...")
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if not FileAccess.file_exists(rom_path):
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push_error("ROM not found: " + rom_path)
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return false
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print("ROM file exists.")
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var file = FileAccess.open(rom_path, FileAccess.READ)
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if not file:
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push_error("Error opening ROM: " + rom_path)
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return false
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print("ROM file opened successfully.")
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var rom_data = file.get_buffer(file.get_length())
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file.close()
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if not current_core.load_game(rom_data):
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push_error("Failed to load ROM: " + rom_path)
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return false
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print("ROM loaded successfully.")
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current_rom = rom_path
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print("Core and ROM loaded successfully.")
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# Wait for SubViewport to render at least one frame
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sub_viewport.render_target_update_mode = SubViewport.UPDATE_ALWAYS
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await get_tree().create_timer(0.1).timeout # Delay ensures rendering starts
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# Assign the SubViewport texture
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var viewport_texture = sub_viewport.get_texture()
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if viewport_texture:
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texture_rect.texture = viewport_texture
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print("SubViewport texture assigned successfully.")
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else:
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push_error("Error: SubViewport texture is not ready.")
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return false
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return true
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func _process(delta):
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"""
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Dynamically updates the TextureRect's texture during runtime.
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"""
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if current_core:
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current_core.run()
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var frame_data = current_core.get_frame_buffer()
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if frame_data:
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var frame_width = current_core.get_frame_width()
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var frame_height = current_core.get_frame_height()
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if frame_width > 0 and frame_height > 0:
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var image = Image.create_from_data(
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frame_width,
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frame_height,
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false,
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Image.FORMAT_RGB8,
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frame_data
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)
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var texture = ImageTexture.create_from_image(image)
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texture_rect.texture = texture
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func _ready():
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"""
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Initializes the SubViewport and TextureRect.
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"""
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if sub_viewport and texture_rect:
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print("SubViewport and TextureRect initialized successfully.")
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else:
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push_error("Error: SubViewport or TextureRect is missing.")
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# Ensure SubViewport always renders
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sub_viewport.render_target_update_mode = SubViewport.UPDATE_ALWAYS
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