Pause works with reset and menu buttons

EXIT_TO_MENUButton.gd

@@ -21,11 +21,6 @@ func _pressed():
 	Engine.time_scale = GlobalVariables.time_scale_backup_one
 	GlobalVariables.time_scale_backup_one = GlobalVariables.time_scale_backup_two
 
-# Called when the node enters the scene tree for the first time.
-func _ready():
-	process_mode = Node.PROCESS_MODE_ALWAYS
-
-
 # Called every frame. 'delta' is the elapsed time since the previous frame.
 func _process(_delta):
 	pass

MenuButton.gd

@@ -12,10 +12,6 @@ func _pressed():
 		Engine.time_scale = GlobalVariables.time_scale_backup_one
 		GlobalVariables.time_scale_backup_one = GlobalVariables.time_scale_backup_two
 
-# Called when the node enters the scene tree for the first time.
-func _ready():
-	process_mode = Node.PROCESS_MODE_ALWAYS
-
 # Called every frame. 'delta' is the elapsed time since the previous frame.
 func _process(_delta):
 	pass

MenuExitButton.gd

@@ -16,10 +16,6 @@ func _pressed():
 		Engine.time_scale = GlobalVariables.time_scale_backup_one
 		GlobalVariables.time_scale_backup_one = GlobalVariables.time_scale_backup_two
 
-# Called when the node enters the scene tree for the first time.
-func _ready():
-	process_mode = Node.PROCESS_MODE_ALWAYS
-
 
 # Called every frame. 'delta' is the elapsed time since the previous frame.
 func _process(_delta):

PauseButton.gd

@@ -1,31 +1,24 @@
 extends TextureButton
 
-# Needs a way for c++ scripts to still run when paused for
-# things like the fps counter, main menu and reset buttons
-#var time_scale_backup_one: float
-#var time_scale_backup_two: float
 func _pressed():
 	var rootNode = get_tree().get_root()
 	var SaveAndQuit = rootNode.get_node("CellSpawner/UI/MenuPanels/SaveAndQuitMenuPanel").visible
 	var SimSettings = rootNode.get_node("CellSpawner/UI/MenuPanels/SimSettingsMenuPanel").visible
 	if (!SaveAndQuit and !SimSettings):
 		get_child(!GlobalVariables.used_pause_button).visible = false # Change pause button visually
 		get_child(GlobalVariables.used_pause_button).visible = true
-		GlobalVariables.used_pause_button = !GlobalVariables.used_pause_button
-		GlobalVariables.time_scale_backup_two = Engine.time_scale
-		Engine.time_scale = GlobalVariables.time_scale_backup_one
+
+		GlobalVariables.used_pause_button = !GlobalVariables.used_pause_button # Note that button was clicked
+
+		GlobalVariables.time_scale_backup_two = Engine.time_scale # Save prev delta
+		Engine.time_scale = GlobalVariables.time_scale_backup_one # Set delta
 		GlobalVariables.time_scale_backup_one = GlobalVariables.time_scale_backup_two
 
-func getUsedPauseButton():
-	return GlobalVariables.used_pause_button
-
-# Called when the node enters the scene tree for the first time.
-func _ready():
-	process_mode = Node.PROCESS_MODE_ALWAYS
-	#$time_scale_backup = $time_scale
-	#$time_scale = 0
-	#$time_scale = $time_scale_backup
-	#time_scale_backup_one = 0
+func unpause(): # If paused, unpause
+	if (Engine.time_scale == 0):
+		_pressed()
+		get_child(0).visible = false # Change pause button to unpaused
+		get_child(1).visible = true
 
 # Called every frame. 'delta' is the elapsed time since the previous frame.
 func _process(_delta):

SaveAndQuitButton.gd

@@ -5,11 +5,6 @@ func _pressed():
 	root.get_node("CellSpawner/UI/MenuPanels/SaveAndQuitMenuPanel").visible = true
 	root.get_node("CellSpawner/UI/MenuPanels/SimSettingsMenuPanel").visible = false
 
-# Called when the node enters the scene tree for the first time.
-func _ready():
-	process_mode = Node.PROCESS_MODE_ALWAYS
-
-
 # Called every frame. 'delta' is the elapsed time since the previous frame.
 func _process(_delta):
 	pass

SimSettingsButton.gd

@@ -5,11 +5,6 @@ func _pressed():
 	root.get_node("CellSpawner/UI/MenuPanels/SaveAndQuitMenuPanel").visible = false
 	root.get_node("CellSpawner/UI/MenuPanels/SimSettingsMenuPanel").visible = true
 
-# Called when the node enters the scene tree for the first time.
-func _ready():
-	process_mode = Node.PROCESS_MODE_ALWAYS
-
-
 # Called every frame. 'delta' is the elapsed time since the previous frame.
 func _process(_delta):
 	pass

StatsPanel.gd

@@ -6,7 +6,6 @@ var drag_offset = Vector2()
 # Called when the node enters the scene tree for the first time.
 func _ready():
 	mouse_filter = Control.MOUSE_FILTER_STOP
-	process_mode = Node.PROCESS_MODE_ALWAYS
 
 # Called every frame. 'delta' is the elapsed time since the previous frame.
 func _process(_delta):

src/main_menu_button.cpp

@@ -17,17 +17,22 @@ void MainMenuButton::_pressed() {
 	// Remove old cells
 	CellSpawner *spawner = Object::cast_to<CellSpawner>(this->find_parent("CellSpawner"));
 	spawner->removeAllCells();
+	// Remove old nutrient zones
+	CellEnvironment *environment = spawner->get_node<CellEnvironment>("CellEnvironment");
+	environment->removeAllNutrientZones();
 
 	// Close in-simulation display
-	Node *UI = spawner->get_child(1);
-	Object::cast_to<CanvasItem>(UI->get_child(5))->set_visible(false); // NavBar
-	Object::cast_to<CanvasItem>(UI->get_child(2))->set_visible(false); // Stats
+	Node *UI = spawner->get_node<Node>("UI");
+	UI->get_node<CanvasItem>("NavBar")->set_visible(false);
+	UI->get_node<CanvasItem>("StatsPanel")->set_visible(false);
+	UI->get_node<CanvasItem>("MenuPanels/SaveAndQuitMenuPanel")->set_visible(false);
 	Object::cast_to<FpsCounter>(UI->find_child("FpsCounter"))->toggle_fps();
 	Object::cast_to<TimeCounter>(UI->find_child("TimeCounter"))->toggle_time();
 
-	Object::cast_to<CanvasItem>(UI->get_child(4))->set_visible(true); // Open menu
+	UI->get_node<CanvasItem>("BarPanel")->set_visible(true); // Open menu
 
 	// Respawn background cells that don't die
+	spawner->get_node<Node>("UI/NavBar/PauseButton")->call("unpause");
 	for (int i = 0; i < spawner->getNumCells(); i++) {
 		spawner->spawnCell(1);
 	}

src/main_menu_button.hpp

@@ -1,5 +1,6 @@
 #pragma once
 
+#include "cell_environment.hpp"
 #include "cell_spawner.hpp"
 #include <godot_cpp/classes/engine.hpp>
 #include <godot_cpp/classes/texture_button.hpp>
@@ -16,8 +17,6 @@ class MainMenuButton : public TextureButton {
 	MainMenuButton();
 	~MainMenuButton();
 
-	// void _ready() override;
-
 	void _pressed();
 };
 

src/reset_button.cpp

@@ -17,6 +17,9 @@ void ResetButton::_pressed() {
 	CellSpawner *spawner = Object::cast_to<CellSpawner>(this->find_parent("CellSpawner"));
 	spawner->removeAllCells();
 
+	spawner->get_node<CanvasItem>("UI/MenuPanels/SaveAndQuitMenuPanel")->set_visible(false);
+	spawner->get_node<Node>("UI/NavBar/PauseButton")->call("unpause");
+
 	// Respawn new cells
 	Object::cast_to<TimeCounter>(spawner->get_child(1))->reset_time();
 	for (int i = 0; i < spawner->getNumCells(); i++) {

src/stats_counter.cpp

@@ -28,7 +28,6 @@ void StatsCounter::_process(double delta) {
 }
 
 void StatsCounter::_ready() {
-	set_process_mode(Node::PROCESS_MODE_ALWAYS);
 	add_label("Click a cell to see information");
 }