Add pause & resume feature

assets/icons/layout.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://bmecglpsq1jrd"
+path="res://.godot/imported/layout.png-887f121dd114e1b5e2f5287261adc761.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://assets/icons/layout.png"
+dest_files=["res://.godot/imported/layout.png-887f121dd114e1b5e2f5287261adc761.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1

assets/icons/main-menu.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://cgl1iul3vlrds"
+path="res://.godot/imported/main-menu.png-be1f92ae566ee7e3f4b625b68ab5d6e1.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://assets/icons/main-menu.png"
+dest_files=["res://.godot/imported/main-menu.png-be1f92ae566ee7e3f4b625b68ab5d6e1.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1

assets/icons/resume.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://c7j841b5u4tu3"
+path="res://.godot/imported/resume.png-07f5ac308baa50202dc9ab9a3941f0bd.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://assets/icons/resume.png"
+dest_files=["res://.godot/imported/resume.png-07f5ac308baa50202dc9ab9a3941f0bd.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1

scenes/stages/stage_1.tscn

@@ -1,9 +1,10 @@
-[gd_scene load_steps=13 format=3 uid="uid://btdewn34d67m"]
+[gd_scene load_steps=14 format=3 uid="uid://btdewn34d67m"]
 
 [ext_resource type="Script" path="res://scripts/stages/1/game_manager.gd" id="1_aosti"]
 [ext_resource type="Texture2D" uid="uid://cnxj0mf3luxo" path="res://assets/tileset/ashlands/tf_A5_ashlands_3.png" id="2_1njjc"]
 [ext_resource type="Texture2D" uid="uid://danbfdqmqu23q" path="res://assets/tileset/ashlands/tf_B_ashlands_3.png" id="3_l5wod"]
 [ext_resource type="Script" path="res://scripts/stages/1/summon.gd" id="4_gt08o"]
+[ext_resource type="PackedScene" uid="uid://bhnv1dsggssil" path="res://scenes/ui/pause_menu.tscn" id="5_0gif7"]
 [ext_resource type="PackedScene" uid="uid://cd5r1v6f8hahx" path="res://scenes/ui/tower_menu.tscn" id="5_3w5lp"]
 [ext_resource type="PackedScene" uid="uid://cy88k4uxt1v37" path="res://scenes/ui/game_stats.tscn" id="6_hbxxi"]
 [ext_resource type="PackedScene" uid="uid://bvoenhbaqiqj2" path="res://scenes/towers/placement/placement.tscn" id="6_mao4r"]
@@ -525,6 +526,7 @@ _data = {
 point_count = 4
 
 [node name="GameManager" type="Node2D"]
+process_mode = 1
 script = ExtResource("1_aosti")
 
 [node name="TileMap" type="TileMap" parent="."]
@@ -549,6 +551,9 @@ one_shot = true
 
 [node name="CanvasLayer" type="CanvasLayer" parent="."]
 
+[node name="PauseMenu" parent="CanvasLayer" instance=ExtResource("5_0gif7")]
+visible = false
+
 [node name="TowerMenu" parent="CanvasLayer" instance=ExtResource("5_3w5lp")]
 visible = false
 

scenes/ui/game_stats.tscn

@@ -103,3 +103,5 @@ texture = ExtResource("3_r1i66")
 [node name="6" type="TextureRect" parent="Health/GridContainer"]
 layout_mode = 2
 texture = ExtResource("3_r1i66")
+
+[connection signal="pressed" from="Pause/PauseButton" to="." method="_on_pause_button_pressed"]

scenes/ui/pause_menu.tscn

@@ -0,0 +1,94 @@
+[gd_scene load_steps=5 format=3 uid="uid://bhnv1dsggssil"]
+
+[ext_resource type="Script" path="res://scripts/ui/pause_menu.gd" id="1_4u0k0"]
+[ext_resource type="Texture2D" uid="uid://c7j841b5u4tu3" path="res://assets/icons/resume.png" id="1_kdmgn"]
+[ext_resource type="Texture2D" uid="uid://cgl1iul3vlrds" path="res://assets/icons/main-menu.png" id="2_febfx"]
+
+[sub_resource type="StyleBoxFlat" id="StyleBoxFlat_hrh7j"]
+bg_color = Color(0.145098, 0.145098, 0.145098, 1)
+
+[node name="PauseMenu" type="Control"]
+process_mode = 2
+layout_mode = 3
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+script = ExtResource("1_4u0k0")
+
+[node name="Panel" type="Panel" parent="."]
+layout_mode = 1
+anchors_preset = 8
+anchor_left = 0.5
+anchor_top = 0.5
+anchor_right = 0.5
+anchor_bottom = 0.5
+offset_left = -200.0
+offset_top = -206.0
+offset_right = 203.0
+offset_bottom = 222.0
+grow_horizontal = 2
+grow_vertical = 2
+theme_override_styles/panel = SubResource("StyleBoxFlat_hrh7j")
+
+[node name="MarginContainer" type="MarginContainer" parent="Panel"]
+layout_mode = 1
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+offset_bottom = 2.0
+grow_horizontal = 2
+grow_vertical = 2
+theme_override_constants/margin_left = 10
+theme_override_constants/margin_top = 10
+theme_override_constants/margin_right = 10
+theme_override_constants/margin_bottom = 10
+
+[node name="VBoxContainer" type="VBoxContainer" parent="Panel/MarginContainer"]
+layout_mode = 2
+
+[node name="Label" type="Label" parent="Panel/MarginContainer/VBoxContainer"]
+layout_mode = 2
+text = "PAUSED"
+horizontal_alignment = 1
+
+[node name="HBoxContainer" type="HBoxContainer" parent="Panel/MarginContainer/VBoxContainer"]
+layout_mode = 2
+size_flags_vertical = 3
+
+[node name="VBoxContainer" type="VBoxContainer" parent="Panel/MarginContainer/VBoxContainer/HBoxContainer"]
+layout_mode = 2
+size_flags_horizontal = 3
+
+[node name="TextureButton" type="TextureButton" parent="Panel/MarginContainer/VBoxContainer/HBoxContainer/VBoxContainer"]
+layout_mode = 2
+size_flags_horizontal = 4
+size_flags_vertical = 6
+texture_normal = ExtResource("1_kdmgn")
+
+[node name="Label" type="Label" parent="Panel/MarginContainer/VBoxContainer/HBoxContainer/VBoxContainer"]
+layout_mode = 2
+size_flags_vertical = 6
+text = "Resume"
+horizontal_alignment = 1
+justification_flags = 162
+
+[node name="VBoxContainer2" type="VBoxContainer" parent="Panel/MarginContainer/VBoxContainer/HBoxContainer"]
+layout_mode = 2
+size_flags_horizontal = 3
+
+[node name="TextureButton" type="TextureButton" parent="Panel/MarginContainer/VBoxContainer/HBoxContainer/VBoxContainer2"]
+layout_mode = 2
+size_flags_horizontal = 4
+size_flags_vertical = 6
+texture_normal = ExtResource("2_febfx")
+
+[node name="Label" type="Label" parent="Panel/MarginContainer/VBoxContainer/HBoxContainer/VBoxContainer2"]
+layout_mode = 2
+size_flags_horizontal = 4
+size_flags_vertical = 6
+text = "Main Menu"
+horizontal_alignment = 1
+
+[connection signal="pressed" from="Panel/MarginContainer/VBoxContainer/HBoxContainer/VBoxContainer/TextureButton" to="." method="_on_resume_button_pressed"]

scripts/stages/1/game_manager.gd

@@ -6,18 +6,31 @@ var config_path = "res://scripts/stages/1/config.gd"
 var config = load(config_path).new()
 
 var data = {
+	"paused": false,
 	"tower": {},
 	"health": config.game['health'],
 	"resource": config.game['resource']
 }
 
 func _ready():
+	$CanvasLayer/GameStats.connect("on_paused", on_game_paused)
+	$CanvasLayer/PauseMenu.connect("on_resume", on_game_resume)
 	$CanvasLayer/GameStats.set_resource(data['resource'])
 	$base.connect("enemy_entered_base", on_enemy_entered_base)
 	var placements = $Placements.get_children()
 	for placement in placements:
 		placement.connect("on_placement", on_game_placement)
 	$CanvasLayer/TowerMenu.connect("build_tower", on_build_tower)
+
+func on_game_paused():
+	data['paused'] = !data['paused']
+	get_tree().paused = data['paused']
+	$CanvasLayer/PauseMenu.show_menu()
+
+func on_game_resume():
+	data['paused'] = !data['paused']
+	get_tree().paused = data['paused']
+	$CanvasLayer/PauseMenu.hide_menu()
 	
 func on_game_placement(pos, tower_placement_id):
 	var tower_id = null

scripts/ui/game_stats.gd

@@ -1,5 +1,6 @@
 extends Control
 
+signal on_paused()
 
 func set_resource(value):
 	$Resources/Label.text = str(value)
@@ -11,3 +12,6 @@ func set_damage(value):
 		if !health.is_empty():
 			health[len(health) - 1].queue_free()
 			health.pop_back()
+
+func _on_pause_button_pressed():
+	on_paused.emit()

scripts/ui/pause_menu.gd

@@ -0,0 +1,20 @@
+extends Control
+
+signal on_resume()
+
+# Called when the node enters the scene tree for the first time.
+func _ready():
+	hide()
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta):
+	pass
+
+func show_menu():
+	show()
+
+func hide_menu():
+	hide()
+
+func _on_resume_button_pressed():
+	on_resume.emit()