Add some build constants.

addons/vsk_version/build_constants.gd

@@ -0,0 +1,10 @@
+# Copyright (c) 2018-present. This file is part of V-Sekai https://v-sekai.org/.
+# SaracenOne & K. S. Ernest (Fire) Lee & Lyuma & MMMaellon & Contributors
+# build_constants.gd
+# SPDX-License-Identifier: MIT
+
+# Set by the build system, do not modify!
+
+const BUILD_LABEL = "DEVELOPER_BUILD"
+const BUILD_DATE_STR = "Build Date"
+const BUILD_UNIX_TIME = -1

addons/vsk_version/plugin.cfg

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+[plugin]
+name="VSK Version"
+description="Singleton for accessing information about the current build version."
+author="Saracen"
+version="1.0"
+installs=true
+script="vsk_version_plugin.gd"

addons/vsk_version/vsk_version.gd

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+# Copyright (c) 2018-present. This file is part of V-Sekai https://v-sekai.org/.
+# SaracenOne & K. S. Ernest (Fire) Lee & Lyuma & MMMaellon & Contributors
+# vsk_version.gd
+# SPDX-License-Identifier: MIT
+
+@tool
+extends Node
+
+const build_constants_const = preload("build_constants.gd")
+
+
+static func get_build_label() -> String:
+	return build_constants_const.BUILD_DATE_STR + "\n" + build_constants_const.BUILD_LABEL

addons/vsk_version/vsk_version_plugin.gd

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+# Copyright (c) 2018-present. This file is part of V-Sekai https://v-sekai.org/.
+# SaracenOne & K. S. Ernest (Fire) Lee & Lyuma & MMMaellon & Contributors
+# vsk_version_plugin.gd
+# SPDX-License-Identifier: MIT
+
+@tool
+extends EditorPlugin
+
+var editor_interface: EditorInterface = null
+
+
+func _init():
+	print("Initialising VSKVersion plugin")
+
+
+func _notification(p_notification: int):
+	match p_notification:
+		NOTIFICATION_PREDELETE:
+			print("Destroying VSKVersion plugin")
+
+
+func _get_plugin_name() -> String:
+	return "VSKVersion"
+
+
+func _enter_tree() -> void:
+	editor_interface = get_editor_interface()
+	add_autoload_singleton("VSKVersion", "res://addons/vsk_version/vsk_version.gd")
+
+
+func _exit_tree() -> void:
+	remove_autoload_singleton("VSKVersion")