End of lesson 18 The command processor, Chapter 5

gfx/ui/main_frame.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://ccxs3ctob15es"
+path="res://.godot/imported/main_frame.png-cf8337ea780d2d72badf7c10f22782c2.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://gfx/ui/main_frame.png"
+dest_files=["res://.godot/imported/main_frame.png-cf8337ea780d2d72badf7c10f22782c2.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

project.godot

@@ -19,7 +19,8 @@ config/icon="res://icon.svg"
 [autoload]
 
 Loader="*res://scripts/loader.gd"
-GameManager="*res://scripts/GameManager.gd"
+GameManager="*res://scripts/game/GameManager.gd"
+CommandDispatcher="*res://scripts/game/commands/CommandDispatcher.gd"
 
 [display]
 

scenes/game.tscn

@@ -1,9 +1,52 @@
-[gd_scene load_steps=2 format=3 uid="uid://c0b5w48jk67qd"]
+[gd_scene load_steps=5 format=3 uid="uid://c0b5w48jk67qd"]
 
-[ext_resource type="Script" uid="uid://dq5qq5xj76nwe" path="res://scripts/game/game_screen.gd" id="1_uwrxv"]
+[ext_resource type="Script" uid="uid://c0uvlwmkm3r8o" path="res://scripts/game/game_screen.gd" id="1_uwrxv"]
+[ext_resource type="Script" uid="uid://dcqqr8b42tn0x" path="res://scripts/game/CommandProcessor.gd" id="2_lbhrr"]
+[ext_resource type="Texture2D" uid="uid://ccxs3ctob15es" path="res://gfx/ui/main_frame.png" id="2_lnu2h"]
+[ext_resource type="FontFile" uid="uid://1u28cjgctsn7" path="res://fonts/alagard_by_pix3m-d6awiwp.ttf" id="3_lbhrr"]
 
 [node name="Game" type="Node" node_paths=PackedStringArray("map")]
 script = ExtResource("1_uwrxv")
 map = NodePath("Map")
 
+[node name="Command Processor" type="Timer" parent="."]
+wait_time = 3.0
+autostart = true
+script = ExtResource("2_lbhrr")
+
 [node name="Map" type="Node" parent="."]
+
+[node name="UI" type="Control" parent="."]
+layout_mode = 3
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+
+[node name="TextureRect" type="TextureRect" parent="UI"]
+layout_mode = 1
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+texture = ExtResource("2_lnu2h")
+
+[node name="Left Panel" type="VBoxContainer" parent="UI"]
+layout_mode = 0
+offset_left = 13.0
+offset_top = 15.0
+offset_right = 166.0
+offset_bottom = 216.0
+
+[node name="Command Menu" type="VBoxContainer" parent="UI/Left Panel"]
+layout_mode = 2
+
+[node name="Pass Button" type="Button" parent="UI/Left Panel/Command Menu"]
+layout_mode = 2
+theme_override_fonts/font = ExtResource("3_lbhrr")
+text = "Pass"
+
+[connection signal="timeout" from="Command Processor" to="Command Processor" method="_on_timeout"]
+[connection signal="pressed" from="UI/Left Panel/Command Menu/Pass Button" to="." method="_on_pass_button_pressed"]

scripts/GameManager.gd

@@ -1,17 +0,0 @@
-extends Node
-
-var defaultMapPath: String = "res://scenes/game/maps/world_map.tscn"
-var currentMapPath: String = ""
-
-# Called when the node enters the scene tree for the first time.
-func _ready() -> void:
-	pass # Replace with function body.
-
-
-# Called every frame. 'delta' is the elapsed time since the previous frame.
-func _process(delta: float) -> void:
-	pass
-
-
-func startNewGame():
-	currentMapPath = defaultMapPath

scripts/GameManager.gd.uid

@@ -1 +0,0 @@
-uid://0mhwqcwput71

scripts/game/CommandProcessor.gd

@@ -0,0 +1,46 @@
+extends Timer
+
+class_name CommandProcessor
+signal BROADCAST_COMMAND(label)
+
+var resumeWaiting:bool = true
+
+func _ready():
+	CommandDispatcher.PROCESS_COMMAND.connect(processCommand)
+	CommandDispatcher.WAIT_FOR_COMMAND.connect(waitForCommand)
+	CommandDispatcher.PAUSE_PROCESSOR.connect(pauseProcessor)
+
+
+func processCommand(command:Command):
+	if (is_stopped()):
+		return
+	
+	stop()
+	
+	command.COMMAND_PROCESSED.connect(onCommandProcessed)
+	
+	BROADCAST_COMMAND.emit(command.getCommandText())
+	
+	command.execute()
+
+
+func waitForCommand():
+	resumeWaiting = true
+	start()
+
+
+func pauseProcessor():
+	stop()
+	resumeWaiting = false
+
+
+func onCommandProcessed(result):
+	if (result != null):
+		print(result)
+	
+	if (resumeWaiting):
+		waitForCommand()
+
+
+func _on_timeout():
+	processCommand(PassCommand.new())

scripts/game/CommandProcessor.gd.uid

@@ -0,0 +1 @@
+uid://dcqqr8b42tn0x

scripts/game/GameManager.gd

@@ -0,0 +1,7 @@
+extends Node
+
+var defaultMapPath: String = "res://scenes/game/maps/world_map.tscn"
+var currentMapPath: String = ""
+
+func startNewGame():
+	currentMapPath = defaultMapPath

scripts/game/GameManager.gd.uid

@@ -0,0 +1 @@
+uid://bos3psfp6dgdn

scripts/game/commands/Command.gd

@@ -0,0 +1,13 @@
+class_name Command
+
+signal COMMAND_PROCESSED(label)
+
+var commandLabel
+
+
+func execute():
+	COMMAND_PROCESSED.emit(commandLabel)
+
+
+func getCommandText():
+	return commandLabel

scripts/game/commands/Command.gd.uid

@@ -0,0 +1 @@
+uid://b4ee6hsxy7qwc

scripts/game/commands/CommandDispatcher.gd

@@ -0,0 +1,5 @@
+extends Node
+
+signal PROCESS_COMMAND(command)
+signal WAIT_FOR_COMMAND
+signal PAUSE_PROCESSOR

scripts/game/commands/CommandDispatcher.gd.uid

@@ -0,0 +1 @@
+uid://buuwlxv16l2lu

scripts/game/commands/PassCommand.gd

@@ -0,0 +1,10 @@
+extends Command
+
+class_name PassCommand
+
+func _init() -> void:
+	commandLabel = "Pass"
+
+func execute():
+	print("Player passed.")
+	COMMAND_PROCESSED.emit(commandLabel)

scripts/game/commands/PassCommand.gd.uid

@@ -0,0 +1 @@
+uid://1a8ulyob7ld5

scripts/game/game_screen.gd

@@ -8,7 +8,5 @@ class_name  GameScreen
 func _ready() -> void:
 	map.add_child(load(GameManager.currentMapPath).instantiate())
 
-
+func _on_pass_button_pressed() -> void:
-# Called every frame. 'delta' is the elapsed time since the previous frame.
+	CommandDispatcher.PROCESS_COMMAND.emit(PassCommand.new())
-func _process(delta: float) -> void:
-	pass

scripts/game/game_screen.gd.uid

@@ -1 +1 @@
-uid://dq5qq5xj76nwe
+uid://c0uvlwmkm3r8o

scripts/loader.gd

@@ -16,7 +16,7 @@ func loadScene(caller: Node, path: String):
 
 
 # Called every frame. 'delta' is the elapsed time since the previous frame.
-func _process(delta: float) -> void:
+func _process(_delta: float) -> void:
 	if scenePath:
 		var progress: Array = []
 		var loaderStatus: ResourceLoader.ThreadLoadStatus = ResourceLoader.load_threaded_get_status(scenePath, progress)

scripts/title/title_screen.gd

@@ -1,16 +1,6 @@
 extends Control
 
 
-# Called when the node enters the scene tree for the first time.
-func _ready() -> void:
-	pass # Replace with function body.
-
-
-# Called every frame. 'delta' is the elapsed time since the previous frame.
-func _process(delta: float) -> void:
-	pass
-
-
 func _on_new_game_button_pressed() -> void:
 	GameManager.startNewGame()
 	

scripts/title/version_number.gd

@@ -4,8 +4,3 @@ extends Label
 # Called when the node enters the scene tree for the first time.
 func _ready() -> void:
 	text += ProjectSettings.get_setting("application/config/version")
-
-
-# Called every frame. 'delta' is the elapsed time since the previous frame.
-func _process(delta: float) -> void:
-	pass

scripts/ui/loading_screen.gd

@@ -7,10 +7,5 @@ func _ready() -> void:
 	Loader.LOADING_PROGRESS_UPDATED.connect(_on_progress_updated)
 
 
-# Called every frame. 'delta' is the elapsed time since the previous frame.
-func _process(delta: float) -> void:
-	pass
-
-
 func _on_progress_updated(percentage: float) -> void:
 	loadingBar.value = percentage