Add planet scanner and octopus biome

ui/IconButton.gd

@@ -66,6 +66,9 @@ enum Icon {
 	# Development tools: three sliders, used only by the editor-only sandbox
 	# button. Appended to preserve every serialized icon number above.
 	DEV_TOOLS,
+	# #193: a directional sensor dish. Appended: scene files store these as
+	# integers, so insertion would change every icon after it.
+	SCANNER,
 }
 
 # Size the glyphs were originally drawn against. Every glyph dimension is
@@ -328,6 +331,27 @@ func _draw() -> void:
 			_draw_dash_icon(center, pulse, s)
 		Icon.DEV_TOOLS:
 			_draw_dev_tools_icon(center, pulse, s)
+		Icon.SCANNER:
+			_draw_scanner_icon(center, pulse, s)
+
+
+func _draw_scanner_icon(center: Vector2, pulse: float, s: float) -> void:
+	# Dish, mast and three outward wavefronts: distinct from MAP (a folded
+	# sheet) and RESEARCH (the mothership's archive).
+	NeonDraw.draw_glowing_path(self, PackedVector2Array([
+		center + Vector2(-12, -3) * s,
+		center + Vector2(-5, 7) * s,
+		center + Vector2(5, 4) * s,
+	]), _active_color(), pulse, 0.6 * s, core_color)
+	NeonDraw.draw_glowing_line(self, center + Vector2(-4, 7) * s,
+		center + Vector2(-4, 14) * s, _active_color(), pulse, 0.6 * s,
+		core_color)
+	NeonDraw.draw_glowing_line(self, center + Vector2(-11, 14) * s,
+		center + Vector2(3, 14) * s, _active_color(), pulse, 0.6 * s,
+		core_color)
+	for radius in [7.0, 13.0, 19.0]:
+		draw_arc(center + Vector2(-7, 1) * s, radius * s, -1.1, -0.15, 10,
+			_active_color(), maxf(1.0, 1.3 * s), true)
 
 
 func _draw_dev_tools_icon(center: Vector2, pulse: float, s: float) -> void: