320 lines
14 KiB
GDScript
320 lines
14 KiB
GDScript
# CORE FRAMEWORK SOURCE FILE
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# Copyright (c) 2024 The StarOpenSource Project & Contributors
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# Licensed under the GNU Affero General Public License v3
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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## Initializes and manages the framework.
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##
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## The [b]CORE Object[/b] is responsible for initializing, managing and
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## serving the CORE Framework.
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extends Node
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class_name Core
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# Versioning
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## The version number
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const version_version: int = 1
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## The version type. See [enum CoreTypes.VersionType] for more information.
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const version_type: CoreTypes.VersionType = CoreTypes.VersionType.BETA
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## The version type number. Resets on every new version and version type.
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const version_typerelease: int = 6
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# Modules
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## Used internally for loading, managing and unloading modules.
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const modules: Array[String] = [ "logger", "misc", "sms", "logui", "erm", "storage" ]
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## CORE's configuration object.[br]
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## [b]NEVER access this yourself! To change the configuration use [method reload_configuration] instead.[/b]
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var config: CoreConfiguration
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## The 'Logger' module
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var logger: CoreBaseModule
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## The 'Miscellaneous' module
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var misc: CoreBaseModule
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## The 'Scene Management System' module
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var sms: CoreBaseModule
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## The 'Log UI' module. Not important for you, it just displays the log graphically :3
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var logui: CoreBaseModule
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## The 'Easy Request Maker' module (formerly 'Easy DownLoader')
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var erm: CoreBaseModule
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## The 'Storage' module
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var storage: CoreBaseModule
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# /etc/
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## Stores the path to CORE's installation directory.[br]
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## [b]Danger: [i]Don't modify this.[/i][/b]
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var basepath: String
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## Contains a list of all loaded custom modules.[br]
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## [b]Danger: [i]Don't modify this.[/i][/b]
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var custom_modules: Dictionary = {}
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## Contains the node holding all custom modules as children.[br]
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## [b]Danger: [i]Don't modify this.[/i][/b]
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var custom_modules_node: Node
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## The CORE Object's logger instance.
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## [b]Danger: [i]Don't modify this.[/i][/b]
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var loggeri: CoreLoggerInstance
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# +++ initialization +++
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## Handles the preinitialization part. Does stuff like checking the engine version, loading the config and loading all modules into memory.
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func _init(new_config: CoreConfiguration = CoreConfiguration.new()) -> void:
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name = "CORE"
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if !check_godot_version(): return
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if !determine_basepath(): queue_free()
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custom_modules_node = Node.new()
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reload_configuration(new_config)
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initialize_modules()
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apply_configuration()
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## Handles the initialization part. Injects the builtin modules into the SceneTree and makes sure custom modules can be loaded properly.[br]
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## [b]Danger: [i]Don't call this.[/i][/b]
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func _ready() -> void:
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inject_modules()
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custom_modules_node.name = "Custom Modules"
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add_child(custom_modules_node)
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loggeri = logger.get_instance(basepath.replace("res://", "") + "src/core.gd")
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## Initializes all built-in modules during the preinitialization phase.[br]
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## [b]Danger: [i]Don't call this.[/i][/b]
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func initialize_modules() -> void:
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for module in modules:
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set(module, CoreBaseModule.new())
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get(module).name = module
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get(module).set_script(load(basepath + "src/" + module + ".gd"))
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get(module).core = self
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get(module).loggeri = logger.get_instance(basepath.replace("res://", "") + "src/" + module + ".gd")
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get(module)._initialize()
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## Injects CORE's builtin modules into the SceneTree.[br]
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## [b]Danger: [i]Don't call this.[/i][/b]
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func inject_modules() -> void: for module in modules: add_child(get(module))
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## Waits for all modules to fully initialize.[br]
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## [br]
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## This ensures that all modules are fully initialized and ready for usage.[br]
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## [i][b]Not calling this function during startup may lead to runtime issues.[/b][/i]
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func complete_init(no_success_message: bool = false) -> void:
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var modsinit_builtin: Array[String] = ["workaround"]
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var modsinit_custom: Array[String] = ["workaround"]
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while modsinit_builtin.size() != 0 and modsinit_custom.size() != 0:
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# Clear arrays
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modsinit_builtin = []
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modsinit_custom = []
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# Check builtin modules
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for module in modules: if !get(module).initialized: modsinit_builtin.append(module)
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# Check custom modules
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for module_name in custom_modules:
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if !custom_modules[module_name].initialized: modsinit_custom.append(module_name)
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# Print and sleep
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if modsinit_builtin.size() != 0 or modsinit_custom.size() != 0:
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print("Waiting for modules to finish initialization:")
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if modsinit_builtin.size() != 0: print(" Builtin: " + str(modsinit_builtin))
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if modsinit_custom.size() != 0: print(" Custom: " + str(modsinit_custom))
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await get_tree().create_timer(1).timeout
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# Initialization complete
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await get_tree().process_frame
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if !no_success_message: loggeri.info("Initialized CORE successfully")
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# +++ custom module support +++
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## Registers a new custom module.
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func register_custom_module(module_name: String, module_origin: String, module_class: CoreBaseModule) -> bool:
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loggeri.verb("Registering new custom module \"" + module_name + "\"")
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if !config.custom_modules:
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loggeri.error("Registering module failed: Custom module support is disabled.")
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return false
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if custom_modules.has(module_name):
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loggeri.error("Registering module failed: A custom module with the name \"" + module_name + "\" already exists.")
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return false
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loggeri.diag("Updating variables")
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module_class.name = module_name
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module_class.core = self
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module_class.loggeri = logger.get_instance(module_origin)
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module_class.loggeri.framework = true
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loggeri.diag("Adding module to SceneTree")
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custom_modules_node.add_child(module_class)
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loggeri.diag("Merging module with custom_modules")
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custom_modules.merge({ module_name: module_class })
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loggeri.diag("Initializing custom module")
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module_class._initialize()
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loggeri.diag("Updating custom module configuration")
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module_class._pull_config()
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return true
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## Unregisters a custom module, making it no longer available.
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func unregister_custom_module(module_name: String) -> void:
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loggeri.verb("Unregistering custom module \"" + module_name + "\"")
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if !custom_modules.has(module_name):
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loggeri.error("Unregistering module failed: A custom module with the name \"" + module_name + "\" does not exist.")
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return
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var module: Node = get_custom_module(module_name)
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await module._cleanup()
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module.loggeri.queue_free()
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custom_modules_node.remove_child(module)
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custom_modules.erase(module_name)
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module.queue_free()
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## Returns a registered custom module.[br]
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## Please note that you can't get CORE's built-in modules with this function.
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func get_custom_module(module_name: String) -> CoreBaseModule:
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loggeri.diag("Getting custom module \"" + module_name + "\"")
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if !custom_modules.has(module_name):
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loggeri.error("Getting module failed: A custom module with the name \"" + module_name + "\" does not exist.")
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return null
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return custom_modules[module_name]
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# +++ configuration +++
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## Loads a (new) configuration object and applies it to all modules.
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func reload_configuration(new_config: CoreConfiguration = CoreConfiguration.new()) -> void:
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var initialized = config != null
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if initialized: loggeri.verb("Reloading CORE's configuration")
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if config != null: config.queue_free()
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config = new_config
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if is_devmode(): # Override configuration in development mode
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config.logger_level = CoreTypes.LoggerLevel.VERB
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if initialized: loggeri.verb("Overrode configuration (development mode)")
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if initialized: apply_configuration()
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## Applies the a configuration.[br]
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## [b]Danger: [i]Don't call this.[/i][/b]
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func apply_configuration() -> void:
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if loggeri != null: loggeri.verb("Applying configuration")
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if is_devmode(): if loggeri != null: loggeri.warn("The CORE Framework is in development mode. Here be dragons!")
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if config.headless: loggeri.warn("CORE is in headless mode. Certain modules will not work as expected.")
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if !config.custom_modules:
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if loggeri != null: loggeri.verb("Removing all custom modules (custom modules support is disabled)")
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for module in custom_modules: unregister_custom_module(module)
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for module in modules: get(module)._pull_config()
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if config.custom_modules:
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for module in custom_modules:
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if loggeri != null: loggeri.diag("Updating configuration for custom module \"" + module.name + "\"")
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module._pull_config()
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# +++ etc ++
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## Makes sure that CORE does not leak memory on shutdown/unload.[br]
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## Unloads all custom modules, built-in modules, frees any of CORE's classes and lastly itself.
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func cleanup() -> void:
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loggeri.info("Cleaning up")
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config.queue_free()
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var modules_reverse: Array[String] = modules.duplicate()
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modules_reverse.reverse()
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for module in modules_reverse:
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await get(module)._cleanup()
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get(module).loggeri.queue_free()
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get(module).queue_free()
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for module in custom_modules_node.get_children(): unregister_custom_module(module.name)
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remove_child(custom_modules_node)
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custom_modules_node.queue_free()
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queue_free()
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## Returns if the framework is in development mode.
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func is_devmode() -> bool:
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return config.development
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## Replaces placeholders with human-friendly strings.[br]
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## You can use the following placeholders:[br]
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## - [code]%version%[/code]: Returns the version number.[br]
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## - [code]%version_type%[/code]: Returns the version type number[br]
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## - [code]%version_semantic%[/code]: Returns the result of [method Core.get_version_semantic], example [i]5.2.3[/i][br]
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## - [code]%version_type%[/code]: Returns the version type as a word, for example [i]Release Candidate[/i][br]
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## - [code]%version_type_technical%[/code]: Returns the version type as one or two lowercase letters, for example [i]rc[/i][br]
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## - [code]%devmode%[/code]: Returns the development mode status[br]
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## - [code]%headless%[/code]: Returns the headless mode status[br]
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## - [code]%custommodules%[/code]: Returns if custom module support is enabled
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func get_formatted_string(string: String) -> String:
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# Version strings
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string = string.replace("%version%", str(version_version))
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string = string.replace("%version_typerelease%", str(version_typerelease))
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var semantic_version: Array[int] = get_version_semantic()
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string = string.replace("%version_semantic%", str(semantic_version[0]) + "." + str(semantic_version[1]) + "." + str(semantic_version[2]))
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match(version_type):
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CoreTypes.VersionType.RELEASE:
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string = string.replace("%version_type%", "Release")
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string = string.replace("%version_type_technical%", "r")
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CoreTypes.VersionType.RELEASECANDIDATE:
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string = string.replace("%version_type%", "Release Candidate")
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string = string.replace("%version_type_technical%", "rc")
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CoreTypes.VersionType.BETA:
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string = string.replace("%version_type%", "Beta")
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string = string.replace("%version_type_technical%", "b")
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CoreTypes.VersionType.ALPHA:
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string = string.replace("%version_type%", "Alpha")
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string = string.replace("%version_type_technical%", "a")
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_: await loggeri.crash("Invalid version type " + str(version_type))
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# Development mode
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if is_devmode(): string = string.replace("%devmode%", "Enabled")
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else: string = string.replace("%devmode%", "Disabled")
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# Headless mode
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if config.headless: string = string.replace("%headless%", "Enabled")
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else: string = string.replace("%headless%", "Disabled")
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# Custom module support
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if config.custom_modules: string = string.replace("%custommodules%", "Enabled")
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else: string = string.replace("%custommodules%", "Disabled")
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return string
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## Returns CORE's versioning scheme into the semantic versioning scheme.[br]
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## The first integer contains the version number, the second integer contains the version type ([code]0[/code] for alpha, [code]1[/code] for beta, [code]2[/code] for rc and [code]3[/code] for release and the last integer contains the version type number.
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func get_version_semantic() -> Array[int]:
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var version_type_int: int
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match(version_type):
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CoreTypes.VersionType.RELEASE: version_type_int = 3
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CoreTypes.VersionType.RELEASECANDIDATE: version_type_int = 2
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CoreTypes.VersionType.BETA: version_type_int = 1
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CoreTypes.VersionType.ALPHA: version_type_int = 0
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return [version_version, version_type_int, version_typerelease]
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## Determines CORE's installation/base path.[br]
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## [b]Danger: [i]Don't call this.[/i][/b]
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func determine_basepath() -> bool:
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if FileAccess.file_exists("res://.corebasepath"):
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basepath = "res://"
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elif FileAccess.file_exists("res://CORE/.corebasepath"):
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basepath = "res://CORE/"
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elif FileAccess.file_exists("res://addons/CORE/.corebasepath"):
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basepath = "res://addons/CORE/"
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else:
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assert(false, "CORE is not located at 'res://CORE/', aborting initialization")
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return false
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return true
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# Checks Godot's version
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## Checks compatibility with the running version.
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func check_godot_version() -> bool:
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var version: Dictionary = Engine.get_version_info()
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match(version["major"]):
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4: pass
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_:
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printerr("The CORE Framework does not support Godot versions older or newer than 4.x.x")
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return false
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match(version["minor"]):
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0: printerr("The CORE Framework does not support Godot versions older than 4.2.x. Please update to Godot 4.2.x to ensure full compatibility.")
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1: printerr("The CORE Framework does not support Godot versions older than 4.2.x. Please update to Godot 4.2.x to ensure full compatibility.")
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2: pass
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_:
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printerr("The CORE Framework does not support Godot versions newer than 4.2.x. Please downgrade to Godot 4.2.x.")
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return false
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if version["status"] != "stable":
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printerr("The CORE Framework does not support unstable Godot versions. Please switch to Godot stable 4.2.x.")
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return false
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return true
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## Makes sure for all log messages to be flushed and that CORE is correctly cleaned up.[br]
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## Using [method SceneTree.quit] directly may cause various issues.[br]
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## [b]Note: [i]Using the [code]await[/code] keyword is required for this function.[/i][/b]
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func quit_safely(exitcode: int = 0) -> void:
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loggeri.info("Shutting down (code " + str(exitcode) + ")")
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await get_tree().create_timer(0.25).timeout
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await cleanup()
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get_tree().quit(exitcode)
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