Major restructuring to better support object-oriented design of the main game logic and UI. This was necessary, I swear.

godot_ship/script/game/Gameplay/Crosshair.gd

@@ -1,24 +1,28 @@
 extends Sprite
 
 
-# Declare member variables here. Examples:
-# var a = 2
-# var b = "text"
-
 var snapped = false #when snapped if true crosshair stops following mouse
+const world_offset = Vector2(36,36)
 
 # Called when the node enters the scene tree for the first time.
 func _ready():
+	# Move the cursor to 0,0
+	position = board_to_world_space(Vector2(-2,-2))
 	pass # Replace with function body.
 
-func _physics_process(delta):
-	if snapped == false:
-		position += (get_global_mouse_position() - position)/10
+func _physics_process(_delta):
+	var mousePos = get_global_mouse_position()
+	# If the cursor is not snapped, and the mouse is over the board
+	if snapped == false and validate_position(mousePos):
+		# Snap the crosshair to the grid, but following the mouse
+		position = (mousePos - world_offset).snapped(Vector2(32,32)) + world_offset
 
 func _input(event):
 	# Check if left click is being clicked and the sprite is visible (i.e only checks for inputs after ship positions are confirmed)
-	if event is InputEventMouseButton and event.button_index == BUTTON_LEFT and visible == true:
-		# Locks the position of the crosshair with left click
+	if event is InputEventMouseButton and event.button_index == BUTTON_LEFT and visible and not event.is_pressed():
+		# Make a noise
+		AudioBus.emit_signal("button_clicked")
+		# Locks the position of the crosshair with left click release
 		if validate_position(position) == true:
 			# rounds the board position to the nearest integer
 			snapped = true
@@ -26,16 +30,15 @@ func _input(event):
 			position.y = int(round(world_to_board_space(position).y))
 			position = board_to_world_space(position)
 	# Check if left click is being clicked and the sprite is visible (i.e only checks for inputs after ship positions are confirmed)
-	if event is InputEventMouseButton and event.button_index == BUTTON_RIGHT and visible == true:
-		# Unlocks the position of the crosshair with right click
+	elif event is InputEventMouseButton and event.button_index == BUTTON_LEFT and visible == true:
+		# Unlocks the position of the crosshair with left click
 		snapped = false
 
 func validate_position(vector):
 	# rounds the board position to the nearest integer
-	var boardx = int(round(world_to_board_space(vector).x))
-	var boardy = int(round(world_to_board_space(vector).y))
+	var board = world_to_board_space(vector)
 	# Checks if the board position is within bounds of the board
-	if boardx < 11 and boardx > 0 and boardy < 11 and boardy > 0:
+	if board.x < 9.5 and board.x >= -0.5 and board.y < 9.5 and board.y >= -0.5:
 		# changes the position of the crosshair
 		return true
 	else:
@@ -45,15 +48,11 @@ func validate_position(vector):
 # Convert the world-space coordinates to positions on the board
 func world_to_board_space(vector):
 	# Do math
-	var res = (vector - offset) / 32 # Basically Fahrenheit/Celcius conversion, but in 2D
+	var res = (vector - world_offset) / 32 # Basically Fahrenheit/Celcius conversion, but in 2D
 	return res
 
 # Inverse of the above function.
 func board_to_world_space(vector):
 	# Do math
-	var res = (vector * 32) + offset #Invert the above function
+	var res = (vector * 32) + world_offset #Invert the above function
 	return res #Truncate decimals
-
-# Called every frame. 'delta' is the elapsed time since the previous frame.
-#func _process(delta):
-#	pass

godot_ship/script/game/Gameplay/Fire.gd

@@ -0,0 +1,30 @@
+extends Control
+
+# Called when the node enters the scene tree for the first time.
+func _ready():
+	pass # Replace with function body.
+
+# Signal to pass the fire location back to yet-unknown nodes
+signal fire_at
+
+
+func _on_Fire_pressed():
+	var crosshair = get_node("Crosshair")
+	# hides crosshair
+	crosshair.visible = false
+	if crosshair.validate_position(crosshair.position) == true:
+		var crosshair_pos = crosshair.world_to_board_space(crosshair.position)
+		# fires at position
+		print("Fire at position: ", crosshair_pos)
+		emit_signal("fire_at", crosshair_pos)
+		# Close the Firing menu
+		queue_free()
+	else:
+		#if invalid position popup appears
+		var dialog = get_node("FireDialog")
+		dialog.popup_centered()
+	pass # Replace with function body.
+
+func _on_FireDialog_confirmed():
+	get_node("Crosshair").visible = true
+	pass # Replace with function body.

godot_ship/script/game/Gameplay/Game.gd

@@ -1,8 +1,18 @@
 extends Node
 
+class ShipData:
+	var Coor: Vector2
+	var Length: int
+	var Orientation: bool #vertical is true, (Trueship = vertical) (Falseship = horizontal)
+
+# Preloaded assets, to be used later
+onready var Setup = preload("res://scenes/Game/Setup.tscn")
+onready var Fire  = preload("res://scenes/Game/Fire.tscn")
+
 # Path to Player class, for instantiating new Players in code
 var Player = "res://script/game/Gameplay/Player.gd"
 
+
 # Array of instances of the Player class; stores the Players
 var players # = player1, player2, ...
 # turn counter
@@ -15,7 +25,13 @@ var is_multiplayer = false
 
 # Called when the node enters the scene tree for the first time.
 func _ready():
-	game_start()
+	var setup = Setup.instance()
+	setup.connect("game_ready", self, "game_setup")
+	add_child(setup)
+
+func game_setup(_ships):
+	print_debug("Congrats! Setup complete.")
+	add_child(Fire.instance())
 
 # Member functions:
 #   game_start: starts the game
@@ -29,3 +45,10 @@ func victory_screen():
 #   display_turn(): display which turn it is on the screen
 func display_turn():
 	pass
+
+func _on_Forfeit_pressed():
+	AudioBus.emit_signal("button_clicked")
+	end()
+
+func end():
+	queue_free()