gd: send_fd

project/the_gates/resources/ui_events.tres

@@ -1,6 +0,0 @@
-[gd_resource type="Resource" script_class="UiEvents" load_steps=2 format=3 uid="uid://h1gdyodd66gv"]
-
-[ext_resource type="Script" path="res://the_gates/scripts/resources/ui_events.gd" id="1_kqets"]
-
-[resource]
-script = ExtResource("1_kqets")

project/the_gates/scenes/app.tscn

@@ -3,7 +3,7 @@
 [ext_resource type="Script" path="res://the_gates/scripts/app.gd" id="1_skc7d"]
 [ext_resource type="Resource" uid="uid://b1xvdym0qh6td" path="res://the_gates/resources/gate_events.res" id="2_cdryv"]
 [ext_resource type="PackedScene" uid="uid://5btb7nvgmfhl" path="res://the_gates/scenes/menu.tscn" id="3_o1f7b"]
-[ext_resource type="PackedScene" uid="uid://dagj0celx6tjq" path="res://the_gates/scenes/world.tscn" id="4_cmlvo"]
+[ext_resource type="PackedScene" uid="uid://dle3s7sp53jat" path="res://the_gates/scenes/world.tscn" id="4_cmlvo"]
 [ext_resource type="Script" path="res://the_gates/scripts/bookmark_saver.gd" id="5_ev0ch"]
 [ext_resource type="Resource" uid="uid://bewhdj6jugt6q" path="res://the_gates/resources/bookmarks.tres" id="6_rupvx"]
 [ext_resource type="PackedScene" uid="uid://byrcbqat0n2px" path="res://the_gates/scenes/debug.tscn" id="7_3xeb8"]

project/the_gates/scenes/world.tscn

@@ -1,4 +1,4 @@
-[gd_scene load_steps=33 format=3 uid="uid://dagj0celx6tjq"]
+[gd_scene load_steps=36 format=3 uid="uid://dle3s7sp53jat"]
 
 [ext_resource type="Script" path="res://the_gates/scripts/loading/pack_loader.gd" id="1_5swiq"]
 [ext_resource type="Script" path="res://the_gates/scripts/loading/gate_loader.gd" id="1_coscx"]
@@ -10,7 +10,6 @@
 [ext_resource type="Script" path="res://the_gates/scripts/ui/world/loading_ui.gd" id="5_vcmvs"]
 [ext_resource type="Script" path="res://the_gates/scripts/ui/world/gate_info.gd" id="6_iwanm"]
 [ext_resource type="Texture2D" uid="uid://bvvgx8ij2mdna" path="res://the_gates/textures/star.png" id="6_mtwek"]
-[ext_resource type="Resource" uid="uid://h1gdyodd66gv" path="res://the_gates/resources/ui_events.tres" id="7_bmkgi"]
 [ext_resource type="Script" path="res://the_gates/scripts/ui/world/home.gd" id="8_bo3qr"]
 [ext_resource type="Texture2D" uid="uid://c5hu6cmvuipg7" path="res://the_gates/textures/star_filled.png" id="8_gho7k"]
 [ext_resource type="Resource" uid="uid://bewhdj6jugt6q" path="res://the_gates/resources/bookmarks.tres" id="8_wox3p"]
@@ -18,7 +17,11 @@
 [ext_resource type="Texture2D" uid="uid://cykx425p6ylwr" path="res://the_gates/textures/background.png" id="9_req2b"]
 [ext_resource type="Script" path="res://the_gates/scripts/ui/world/release_focus.gd" id="10_6a8ws"]
 [ext_resource type="PackedScene" path="res://the_gates/scenes/components/hint.tscn" id="11_cltj4"]
-[ext_resource type="Script" path="res://the_gates/scripts/input/input_sync.gd" id="18_rsdyb"]
+[ext_resource type="Script" path="res://the_gates/scripts/sandbox/input_sync.gd" id="19_7opuh"]
+[ext_resource type="Script" path="res://the_gates/scripts/sandbox/render_result.gd" id="19_vfqxk"]
+[ext_resource type="Script" path="res://the_gates/scripts/sandbox/command_sync.gd" id="20_js3fi"]
+[ext_resource type="Resource" uid="uid://l1quiaghft2f" path="res://the_gates/resources/command_events.res" id="22_lfk5j"]
+[ext_resource type="Resource" uid="uid://crjhix0osmtnf" path="res://the_gates/resources/ui_events.res" id="22_ryq4n"]
 
 [sub_resource type="StyleBoxFlat" id="StyleBoxFlat_shmbc"]
 bg_color = Color(0.3384, 0.188, 0.47, 1)
@@ -81,7 +84,6 @@ gate_events = ExtResource("2_ot8b0")
 script = ExtResource("1_5swiq")
 gate_events = ExtResource("2_ot8b0")
 render_result = NodePath("../../WorldCanvas/RenderResult")
-splash_screen = ExtResource("9_req2b")
 
 [node name="UICanvas" type="CanvasLayer" parent="."]
 follow_viewport_enabled = true
@@ -168,7 +170,7 @@ anchor_bottom = 1.0
 grow_horizontal = 2
 grow_vertical = 2
 script = ExtResource("4_xatjs")
-ui_events = ExtResource("7_bmkgi")
+ui_events = ExtResource("22_ryq4n")
 
 [node name="Blur" type="Panel" parent="UICanvas/UI"]
 material = SubResource("ShaderMaterial_kc7rv")
@@ -719,11 +721,20 @@ anchor_right = 1.0
 anchor_bottom = 1.0
 grow_horizontal = 2
 grow_vertical = 2
+script = ExtResource("19_vfqxk")
+gate_events = ExtResource("2_ot8b0")
+command_events = ExtResource("22_lfk5j")
+splash_screen = ExtResource("9_req2b")
 
 [node name="InputSync" type="Node" parent="WorldCanvas"]
-script = ExtResource("18_rsdyb")
+script = ExtResource("19_7opuh")
 gate_events = ExtResource("2_ot8b0")
-ui_events = ExtResource("7_bmkgi")
+ui_events = ExtResource("22_ryq4n")
+
+[node name="CommandSync" type="CommandSync" parent="WorldCanvas"]
+script = ExtResource("20_js3fi")
+gate_events = ExtResource("2_ot8b0")
+command_events = ExtResource("22_lfk5j")
 
 [connection signal="pressed" from="UICanvas/UI/Blur/HideOnPress" to="UICanvas/UI" method="hide_ui"]
 [connection signal="pressed" from="UICanvas/UI/GateInfo/Bookmark/Star" to="UICanvas/UI/GateInfo" method="_on_star_pressed"]

project/the_gates/scripts/loading/pack_loader.gd

@@ -2,37 +2,14 @@ extends Node
 class_name PackLoader
 
 @export var gate_events: GateEvents
-@export var render_result: TextureRect
-@export var splash_screen: Texture2D
+@export var render_result: RenderResult
 
 var gate: Gate
 var pid: int
 
-@onready var width = get_viewport().size.x
-@onready var height = get_viewport().size.y
-
-var rd: RenderingDevice
-var ext_texure: ExternalTexture
-var result_texture_rid: RID
-
 
 func _ready() -> void:
 	gate_events.gate_loaded.connect(create_process)
-	initialize()
-
-
-func _process(_delta: float) -> void:
-	texture_update()
-
-
-func initialize() -> void:
-	rd = RenderingServer.get_rendering_device()
-	
-	var image = Image.create(width, height, false, Image.FORMAT_RGB8)
-	render_result.texture = ImageTexture.create_from_image(image)
-	result_texture_rid = RenderingServer.texture_get_rd_texture(render_result.texture.get_rid())
-	if not result_texture_rid.is_valid(): Debug.logerr("Cannot create ImageTexture")
-	else: Debug.logclr("Render result texture created", Color.AQUAMARINE)
 
 
 func create_process(_gate: Gate) -> void:
@@ -41,15 +18,11 @@ func create_process(_gate: Gate) -> void:
 	var sandbox_path = "/home/nordup/projects/godot/the-gates-folder/the-gates/bin/godot.linuxbsd.editor.dev.sandbox.x86_64.llvm"
 	var pack_file = ProjectSettings.globalize_path(gate.resource_pack)
 	var main_pid = OS.get_process_id()
-	var fd = create_external_texture()
-	if fd == -1: Debug.logerr("Cannot create external texture"); return
-	else: Debug.logclr("External texture created " + str(fd), Color.AQUAMARINE)
 	
 	var args = [
 		"--main-pack", pack_file,
-		"--resolution", "%dx%d" % [width, height],
-		"--external-image", fd,
-		"--main-pid", main_pid
+		"--resolution", "%dx%d" % [render_result.width, render_result.height],
+		"--fd-path", render_result.fd_path
 	]
 	Debug.logclr(sandbox_path + " " + " ".join(args), Color.DARK_VIOLET)
 	pid = OS.create_process(sandbox_path, args)
@@ -57,31 +30,6 @@ func create_process(_gate: Gate) -> void:
 	gate_events.gate_entered_emit()
 
 
-func create_external_texture() -> int:
-	var t_format: RDTextureFormat = RDTextureFormat.new()
-	t_format.format = RenderingDevice.DATA_FORMAT_R8G8B8A8_UNORM
-	t_format.usage_bits = RenderingDevice.TEXTURE_USAGE_CAN_COPY_FROM_BIT | \
-		RenderingDevice.TEXTURE_USAGE_CAN_UPDATE_BIT
-	t_format.width = width
-	t_format.height = height
-	t_format.depth = 1
-	var t_view: RDTextureView = RDTextureView.new()
-	
-	var image = splash_screen.get_image()
-	image.convert(Image.FORMAT_RGBA8)
-	image.clear_mipmaps()
-	
-	ext_texure = ExternalTexture.new()
-	ext_texure.create(t_format, t_view, [image.get_data()])
-	return ext_texure.get_fd()
-
-
-func texture_update() -> void:
-	if ext_texure == null or not ext_texure.get_rid().is_valid(): return
-	if not result_texture_rid.is_valid(): return
-	ext_texure.copy_to(result_texture_rid)
-
-
 func kill_process() -> void:
 	if OS.is_process_running(pid):
 		OS.kill(pid)

project/the_gates/scripts/resources/command_events.gd

@@ -0,0 +1,8 @@
+extends Resource
+class_name CommandEvents
+
+signal send_fd
+
+
+func send_fd_emit() -> void:
+	send_fd.emit()

project/the_gates/scripts/sandbox/command_sync.gd

@@ -0,0 +1,23 @@
+extends CommandSync
+
+@export var gate_events: GateEvents
+@export var command_events: CommandEvents
+
+
+func _ready() -> void:
+	gate_events.gate_entered.connect(bind)
+	execute_function = _execute_function
+
+
+func _physics_process(delta: float) -> void:
+	receive_commands()
+
+
+func _execute_function(command: String) -> String:
+	print("Recieved command: " + command)
+	match command:
+		"send_fd":
+			command_events.send_fd_emit()
+		_:
+			print("Command %s not implemented" % [command])
+	return ""

project/the_gates/scripts/sandbox/render_result.gd

@@ -0,0 +1,65 @@
+extends TextureRect
+class_name RenderResult
+
+@export var gate_events: GateEvents
+@export var command_events: CommandEvents
+@export var splash_screen: Texture2D
+
+@onready var width = get_viewport().size.x
+@onready var height = get_viewport().size.y
+var fd_path = "/tmp/external_texture"
+
+var rd: RenderingDevice
+var ext_texure: ExternalTexture
+var texture_rid: RID
+
+
+func _ready() -> void:
+	gate_events.gate_entered.connect(create_external_texture)
+	command_events.send_fd.connect(send_fd)
+	initialize()
+
+
+func initialize() -> void:
+	rd = RenderingServer.get_rendering_device()
+	
+	var image = Image.create(width, height, false, Image.FORMAT_RGB8)
+	self.texture = ImageTexture.create_from_image(image)
+	texture_rid = RenderingServer.texture_get_rd_texture(self.texture.get_rid())
+	if not texture_rid.is_valid(): Debug.logerr("Cannot create ImageTexture")
+	else: Debug.logclr("Render result texture created", Color.AQUAMARINE)
+
+
+func create_external_texture() -> void:
+	var t_format: RDTextureFormat = RDTextureFormat.new()
+	t_format.format = RenderingDevice.DATA_FORMAT_R8G8B8A8_UNORM
+	t_format.usage_bits = RenderingDevice.TEXTURE_USAGE_CAN_COPY_FROM_BIT | \
+		RenderingDevice.TEXTURE_USAGE_CAN_UPDATE_BIT
+	t_format.width = width
+	t_format.height = height
+	t_format.depth = 1
+	var t_view: RDTextureView = RDTextureView.new()
+	
+	var image = splash_screen.get_image()
+	image.convert(Image.FORMAT_RGBA8)
+	image.clear_mipmaps()
+	
+	ext_texure = ExternalTexture.new()
+	var err = ext_texure.create(t_format, t_view, [image.get_data()])
+	if err: Debug.logerr("Cannot create external texture"); return
+	else: Debug.logclr("External texture created " + str(ext_texure.get_fd()), Color.AQUAMARINE)
+
+
+func send_fd() -> void:
+	print("Sending fd...")
+	var sent = false
+	while not sent:
+		sent = ext_texure.send_fd(fd_path)
+		await get_tree().create_timer(0.1).timeout
+	print("fd was sent")
+
+
+func _process(_delta: float) -> void:
+	if ext_texure == null or not ext_texure.get_rid().is_valid(): return
+	if not texture_rid.is_valid(): return
+	ext_texure.copy_to(texture_rid)