Add configuration warnings to Scenarios

scenes/game_world/scenario/scenario.gd

@@ -1,5 +1,7 @@
-extends Node3D
+@tool
+@icon("res://scenes/game_world/scenario/scenario.svg")
 class_name Scenario
+extends Node3D
 ## A custom training scenario to be played
 
 @warning_ignore("unused_signal")
@@ -11,6 +13,12 @@ signal target_hitted
 
 @export var _light: DirectionalLight3D
 
+func _get_configuration_warnings() -> PackedStringArray:
+	var warnings = []
+	if _light == null:
+		warnings.append("There should be a light node.")
+	return warnings
+
 func initialize() -> void:
 	_update_world_appareance()
 

scenes/game_world/scenario/scenario.svg

@@ -0,0 +1,50 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   width="16"
+   height="16"
+   viewBox="0 0 4.2333332 4.2333333"
+   version="1.1"
+   id="svg1"
+   inkscape:version="1.3 (0e150ed6c4, 2023-07-21)"
+   sodipodi:docname="scenario.svg"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg">
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1">
+    <rect
+       style="fill:none;fill-opacity:1;stroke:#fc7f7f;stroke-width:0.396875;stroke-dasharray:none;stroke-opacity:1"
+       id="rect1"
+       width="3.1885638"
+       height="3.2267001"
+       x="0.51861882"
+       y="0.45847753"
+       rx="0.48874429"
+       ry="0.48874429" />
+    <path
+       style="fill:none;fill-opacity:1;stroke:#fc7f7f;stroke-width:0.396875;stroke-linecap:butt;stroke-linejoin:round;stroke-dasharray:none;stroke-opacity:1;paint-order:stroke fill markers"
+       d="M 1.7094779,2.0718275 H 0.98829488"
+       id="path3-9-6-6"
+       sodipodi:nodetypes="cc" />
+    <path
+       style="fill:none;fill-opacity:1;stroke:#fc7f7f;stroke-width:0.396875;stroke-linecap:butt;stroke-linejoin:round;stroke-dasharray:none;stroke-opacity:1;paint-order:stroke fill markers"
+       d="M 2.1129006,3.1964332 V 2.4752502"
+       id="path3-9-6-6-9"
+       sodipodi:nodetypes="cc" />
+    <path
+       style="fill:none;fill-opacity:1;stroke:#fc7f7f;stroke-width:0.396875;stroke-linecap:butt;stroke-linejoin:round;stroke-dasharray:none;stroke-opacity:1;paint-order:stroke fill markers"
+       d="M 2.1129006,1.6684048 V 0.94722182"
+       id="path3-9-6-6-9-4"
+       sodipodi:nodetypes="cc" />
+    <path
+       style="fill:none;fill-opacity:1;stroke:#fc7f7f;stroke-width:0.396875;stroke-linecap:butt;stroke-linejoin:round;stroke-dasharray:none;stroke-opacity:1;paint-order:stroke fill markers"
+       d="M 3.2375064,2.0718276 H 2.5163234"
+       id="path3-9-6-6-0"
+       sodipodi:nodetypes="cc" />
+  </g>
+</svg>

scenes/game_world/scenario/scenario.svg.import

@@ -0,0 +1,37 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://c2tneknkr6pua"
+path="res://.godot/imported/scenario.svg-768407f03cc041ba82a21914b3ff43e7.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://scenes/game_world/scenario/scenario.svg"
+dest_files=["res://.godot/imported/scenario.svg-768407f03cc041ba82a21914b3ff43e7.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
+svg/scale=1.0
+editor/scale_with_editor_scale=false
+editor/convert_colors_with_editor_theme=false