mirror of
https://github.com/JohnBreaux/Boat-Battle.git
synced 2024-11-15 05:25:57 +00:00
383 lines
12 KiB
GDScript
383 lines
12 KiB
GDScript
extends Control
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var debug_canvas
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var debug_active = false
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var menu_position = 0.0
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var menu_velocity = 4
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var history = []
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var history_pos = 0
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# helptext: args list and help blurb accessed by function name
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var helptext = {
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# command_id [args "Help text" ]
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"command_help": [" [command]", "Print information about command.\n" ],
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"command_history": ["", "Print the history log.\n" ],
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"command_perf": [" stat", "Print performance info (fps, nodes, proctime, ... )\n" ],
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"command_list": [" [path]", "List children of path, or of present working node.\n" ],
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"command_start": [" filename", "Load PackedScene filename.tscn as child.\n" ],
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"command_kill": [" name", "Kill child node with matching name.\n" ],
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"command_pwd": ["", "Print the Present Working Node.\n" ],
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"command_cd": [" path", "Change the Present Working Node to path.\n" ],
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"command_print": [" string", "Print string to the in-game debug console.\n" ],
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"command_clear": ["", "Clear the debug output.\n" ],
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"command_emit": [" signal [message]", "Emit a message on MessageBus.signal without validation.\n"],
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"command_call": [" func [args ...]", "Call func(...) with arguments args.\n" ],
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"command_restart": ["", "Kill the current scene tree and plant a new Root.\n" ],
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"command_exit": ["", "Quits the program.\n" ],
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"command_empty": ["", "No Operation.\n" ],
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}
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# List of debug commands accessed by alias
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# The first alias is the canonical alias, aka command name
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var commands = {
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# [alias array]: "func_name"
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["help", "h"]: "command_help",
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["hist", "history"]: "command_history",
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["perf", "performance"]: "command_perf",
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["list", "ls", "l"]: "command_list",
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["start", "open", "o"]: "command_start",
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["kill", "stop", "k"]: "command_kill",
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["pwd", "pwn"]: "command_pwd",
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["cd", "cn"]: "command_cd",
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["print", "p"]: "command_print",
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["clear","cls"]: "command_clear",
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["emit", "e"]: "command_emit",
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["call", "func"]: "command_call",
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["restart", "killall"]: "command_restart",
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["exit", "quit"]: "command_exit",
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[""]: "command_empty"
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}
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onready var present_working_node = get_node("/root/Main")
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# positions when the menu is hidden/active
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var menu_hidden = Transform2D(Vector2(1,0), Vector2(0,1), Vector2(0,-170))
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var menu_active = Transform2D(Vector2(1,0), Vector2(0,1), Vector2(0, 0))
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# signals
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# clear_in: clear the debug input
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signal clear_in
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# clear_out: clear the debug output
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signal clear_out
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# print_text(text): Send text to the Out buffer
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signal print_text(text)
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# history_event(text): Send text to the In buffer
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signal history_event(text)
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# Inherited functions:
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# _ready: Called when the node enters the scene tree for the first time.
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# params: none
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# returns: void
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func _ready():
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debug_canvas = get_node("debug_canvas")
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command_help([""])
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debug_print_line("> ")
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# _process: Called every frame. Controls slide-in animation and focus-grabbing
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# params: delta: elapsed time
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# returns: void
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func _process(delta):
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if (debug_active && menu_position < 1):
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# Move the menu down
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menu_position += menu_velocity * delta;
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$debug_canvas/VBoxContainer/LineEdit.grab_focus()
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elif (!debug_active && menu_position > 0):
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# Move the menu up
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menu_position -= menu_velocity * delta;
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# Clear the input box
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emit_signal("clear_in")
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else:
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menu_position = round(menu_position)
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debug_canvas.set_transform(menu_hidden.interpolate_with(menu_active, menu_position))
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# _input: Process user input related to the debug menu
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# params: event: The input event which triggered _input call
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# returns: void
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func _input(event):
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if event.is_action_pressed("ui_debug_open"):
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# open debug menu
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debug_active = !debug_active;
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# Hand the keyboard focus to the next valid focus
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if (!debug_active) && find_next_valid_focus(): find_next_valid_focus().grab_focus()
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if event.is_action_pressed("ui_debug_up") and debug_active:
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#traverse history up
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history_move(-1)
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pass
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if event.is_action_pressed("ui_debug_down") and debug_active:
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#traverse history down
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history_move(+1)
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# Signal-processing functions:
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# _on_LineEdit_text_entered: process incoming text line
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# params: line: Line of text entered by user
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# returns: void
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func _on_LineEdit_text_entered(line):
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if line != "":
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history_append(line)
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emit_signal("clear_in")
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debug_print_line(line + "\n")
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var command = line.split(' ', true, 1)
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var command_func = parse(command[0])
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if command_func:
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call(command_func, command)
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else:
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debug_print_line("dbg: command not found: " + command[0] + "\n")
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debug_print_line("> ")
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# History_related helper functions:
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# history_append: add a line of text to the history
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# params: text: line of text (unparsed command) to add to history
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# returns: void
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func history_append(text):
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history.resize(history_pos + 2)
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history[history_pos] = text
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history[history_pos + 1] = ""
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history_pos += 1
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# history_move: Traverse the history and update the user input box
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# params: rel_pos: amount to move, relative to the current history_pos
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# returns: void
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func history_move(rel_pos):
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var new_pos = history_pos + rel_pos
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if new_pos >= 0 and new_pos < history.size():
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history_pos = new_pos;
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if history[history_pos]:
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emit_signal("history_event", history[history_pos])
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else:
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emit_signal("clear_in")
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# Debug-related helper functions:
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# debug_print_line: request printing of c-escaped text to debug output
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# params: string: Text string to print
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# returns: void
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func debug_print_line(string):
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emit_signal("print_text", string.c_unescape())
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# complete_path: complete a relative or absolute path, and returns the node it refers to
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# params: path: relative or absolute path to a node
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# returns: void
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func complete_path(path):
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if path.is_rel_path(): # convert to absolute path
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path = String(present_working_node.get_path()) + "/" + path
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var node = get_node(path)
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if node:
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return node
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return null
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# Command-lookup functions:
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# parse: parse command name and return associated func name
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# params: alias: alias of a command
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# returns: name of command function
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func parse(alias):
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var key = lookup(alias)
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if key:
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return commands[key]
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return null
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# name_lookup: find key associated with function name
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# params: command_name: alias of a command
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# returns: key: Array containing all aliases of the given command
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func lookup(alias):
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for key in commands.keys():
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if alias in key:
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return key
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return null
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# get_canonical: find the canonical name for a command
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# params: alias: alias of a command
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# returns: name: canonical name for a command
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func get_canonical(alias):
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var names = lookup(alias)
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if names:
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return names[0]
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return null
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# get_usage: Construct the usage string for a command
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# params: alias: alias of a command
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# returns: usage string for the command, formatted for printing
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func get_usage(alias):
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return "Usage: " + alias + helptext[parse(alias)][0] + "\n"
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# Commands. All commands take in a parameter called command,
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# which contains a partially tokenized command
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# start: Loads scene from res://scenes/*.tscn by filename, and starts it
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func command_start (command):
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if command.size() > 1:
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var pack = load("res://scenes/" + command[1] + ".tscn");
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present_working_node.add_child(pack.instance());
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debug_print_line("started '" + command[1] + "'\n")
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else:
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debug_print_line(get_usage(command[0]))
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# stop: kills a child of current working node
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func command_kill (command):
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if command.size() > 1:
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var node = present_working_node.find_node(command[1], false, false)
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if node:
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if String(node.get_path()).match("*Debug*"):
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debug_print_line("YOU DIDN'T SAY THE MAGIC WORD!\n")
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else:
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node.queue_free()
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debug_print_line(command[1] + " killed\n")
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else:
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debug_print_line(command[0] + ": " + command[1] + " not found.\n")
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else:
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debug_print_line(get_usage(command[0]))
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# list: Lists children of node
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func command_list (command):
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var node = null
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if (command.size() > 1):
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node = complete_path(command[1])
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if (!node):
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node = present_working_node
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var children = node.get_children()
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var names = []
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for i in range (children.size()):
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names.append(children[i].name)
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debug_print_line(String(names) + "\n")
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# restart: Kills the current tree and replants Root
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func command_restart (_command):
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MessageBus.emit_signal("return_to_title")
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# print: prints a message to the in-game debug console
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func command_print(command):
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if command.size() > 1:
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debug_print_line(command[1] + "\n")
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else:
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debug_print_line("\n")
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# emit: emits a message onto the MessageBus
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func command_emit (command):
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if command.size() > 1:
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var mbus_signal = command[1].split(' ', true, 1)
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match mbus_signal.size():
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2:
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debug_print_line("Message: " + String(mbus_signal) + "\n")
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MessageBus.emit_signal(mbus_signal[0], mbus_signal[1])
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1:
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debug_print_line("Message: " + String(mbus_signal) + "\n")
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MessageBus.emit_signal(mbus_signal[0])
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0: debug_print_line(get_usage(command[0]))
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else:
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debug_print_line(get_usage(command[0]))
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# clear: clears the debug output
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func command_clear (_command):
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emit_signal("clear_out");
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# pwd: print the present working node's path
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func command_pwd (_command):
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debug_print_line(String(present_working_node.get_path()) + "\n")
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# cd: change the present working node
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func command_cd (command):
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if command.size() > 1:
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var node = complete_path(command[1])
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if node:
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present_working_node = node
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else:
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debug_print_line (get_canonical(command[0]) + ': no such node: ' + command[1] + '\n')
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else:
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debug_print_line(get_usage(command[0]))
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# help: Prints help dialogue
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func command_help (command):
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if (command.size() == 1):
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debug_print_line("Valid commands:\n")
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for key in commands:
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debug_print_line(key[0] + " ")
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debug_print_line("\n")
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else:
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var command_func = parse(command[1])
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var aliases
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var text
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if command_func in helptext:
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text = helptext[command_func]
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aliases = lookup(command[1])
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debug_print_line(command[1] + text[0] + ":\n Aliases: " + String(aliases) + "\n "+ text[1])
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else:
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debug_print_line(get_canonical(command[0]) + ": command not found: " + command[1] + "\n")
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# exit: request program exit
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func command_exit(_command):
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MessageBus.emit_signal("quit")
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# call: call arbitrary member function of present working node
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func command_call(command):
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if command.size() > 1:
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var call_ret = null
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var call_args = []
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var call_cmd = command[1].split(' ', true, 1)
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if call_cmd.size() > 1:
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call_args = call_cmd[1].split(' ', false, 0)
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if present_working_node.has_method(call_cmd[0]):
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call_ret = present_working_node.callv(call_cmd[0], call_args)
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else:
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debug_print_line("We're sorry, but your call could not be completed as dialed.\n"
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+ "Please hang up and try your call again.\n")
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return
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if (call_ret != null):
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debug_print_line(String(call_ret) + "\n")
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else:
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debug_print_line("null\n")
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else:
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debug_print_line(get_usage(command[0]))
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# history: print the command history
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func command_history(_command):
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var lnum = 0
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for line in history:
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if line:
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debug_print_line(String(lnum) + ": " + line + "\n")
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lnum += 1
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#debug_print_line("history_pos = " + String(history_pos) + "\n")
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# perf: Print the value of a Godot Engine performance counter
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func command_perf(command):
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if command.size() > 1:
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var stat = perf(command[1])
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if stat:
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debug_print_line(String(stat) + "\n")
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else:
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debug_print_line("null\n")
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else:
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debug_print_line(get_usage(command[0]))
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func perf(attribute):
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if attribute.is_valid_integer():
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return Performance.get_monitor(int(attribute))
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match attribute:
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"fps":
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return Performance.get_monitor(Performance.TIME_FPS)
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"proctime":
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return Performance.get_monitor(Performance.TIME_PROCESS)
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"objects":
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return Performance.get_monitor(Performance.OBJECT_COUNT)
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"nodes":
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return Performance.get_monitor(Performance.OBJECT_NODE_COUNT)
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"resources":
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return Performance.get_monitor(Performance.OBJECT_RESOURCE_COUNT)
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return ""
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# empty: No command
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func command_empty(_command):
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pass
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