gd,refacto: added state chart addon and namespace cleanup

godot_state_charts_examples/ant_hill/marker/circle_white.svg

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg width="100%" height="100%" viewBox="0 0 16 16" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xml:space="preserve" xmlns:serif="http://www.serif.com/" style="fill-rule:evenodd;clip-rule:evenodd;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:1.5;">
+    <g transform="matrix(1.89907,0,0,1.89907,-11.2249,-10.4075)">
+        <circle cx="10.123" cy="9.693" r="4.213" style="fill:white;"/>
+    </g>
+    <path d="M8,1.533L13.596,6.688L8,6.824L8,13.638L8,6.824L2.394,6.688L8,1.533Z" style="fill:none;stroke:black;stroke-width:1px;"/>
+</svg>

godot_state_charts_examples/ant_hill/marker/circle_white.svg.import

@@ -0,0 +1,37 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://b3k7i5rrn5hhl"
+path="res://.godot/imported/circle_white.svg-63c895b75f0338e9c3ca264b87816990.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://godot_state_charts_examples/ant_hill/marker/circle_white.svg"
+dest_files=["res://.godot/imported/circle_white.svg-63c895b75f0338e9c3ca264b87816990.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

godot_state_charts_examples/ant_hill/marker/marker.gd

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+class_name Marker
+extends Node2D
+
+## How long should the marker live for?
+@export var lifetime_seconds:float = 30.0
+
+
+var expired_time:float = 0
+
+
+enum MarkerType {
+	## A marker guiding towards food.
+	FOOD,
+	## A marker guiding towards a nest.
+	NEST
+}
+
+func initialize(type:MarkerType):
+	add_to_group("marker")
+	match type:
+		MarkerType.FOOD:
+			modulate = Color.YELLOW
+			add_to_group("food")
+		MarkerType.NEST:
+			modulate = Color.CORNFLOWER_BLUE
+			add_to_group("nest")
+			lifetime_seconds *= 2
+
+## Refreshes the marker, so it stays for another lifetime
+func refresh():
+	expired_time = 0
+
+## Updates the marker and destroys it if has evaporated.
+func _process(delta):
+	expired_time += delta
+	# Fade out the marker as it expires.
+	modulate.a = max(0, 1 - (expired_time / lifetime_seconds))
+	if expired_time > lifetime_seconds:
+		queue_free()
+
+## Some debug drawing currently disabled.
+func __draw():
+	var offset = 0.0 if is_in_group("food") else PI
+	var start_angle = - PI / 2 + offset
+	var end_angle = PI / 2 + offset
+	draw_arc(Vector2.ZERO, 30, start_angle, end_angle, 10, modulate, 1, true )
+	

godot_state_charts_examples/ant_hill/marker/marker.gd.uid

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

godot_state_charts_examples/ant_hill/marker/marker.tscn

@@ -0,0 +1,20 @@
+[gd_scene load_steps=4 format=3 uid="uid://dy5xrmjffewnk"]
+
+[ext_resource type="Texture2D" uid="uid://b3k7i5rrn5hhl" path="res://godot_state_charts_examples/ant_hill/marker/circle_white.svg" id="1_2vg4s"]
+[ext_resource type="Script" path="res://godot_state_charts_examples/ant_hill/marker/marker.gd" id="2_2b6iy"]
+
+[sub_resource type="CircleShape2D" id="CircleShape2D_0xsut"]
+
+[node name="Node2D" type="Node2D"]
+script = ExtResource("2_2b6iy")
+
+[node name="Sprite" type="Sprite2D" parent="."]
+texture_filter = 1
+rotation = 1.5708
+texture = ExtResource("1_2vg4s")
+
+[node name="Area2D" type="Area2D" parent="."]
+metadata/owner = NodePath("..")
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="Area2D"]
+shape = SubResource("CircleShape2D_0xsut")