Add production bathymetric sonar slice

game/application/sonar/sonar_capture_request.gd

@@ -0,0 +1,48 @@
+class_name SonarCaptureRequest
+extends RefCounted
+
+var scan_id: StringName
+var session_id: StringName
+var sensor_transform: Transform3D
+var minimum_range_m: float
+var maximum_range_m: float
+var horizontal_opening_radians: float
+var vertical_opening_radians: float
+var columns: int
+var rows: int
+
+
+func _init(
+	p_scan_id: StringName,
+	p_session_id: StringName,
+	p_sensor_transform: Transform3D,
+	p_minimum_range_m: float,
+	p_maximum_range_m: float,
+	p_horizontal_opening_radians: float,
+	p_vertical_opening_radians: float,
+	p_columns: int,
+	p_rows: int
+) -> void:
+	scan_id = p_scan_id
+	session_id = p_session_id
+	sensor_transform = p_sensor_transform
+	minimum_range_m = p_minimum_range_m
+	maximum_range_m = p_maximum_range_m
+	horizontal_opening_radians = p_horizontal_opening_radians
+	vertical_opening_radians = p_vertical_opening_radians
+	columns = p_columns
+	rows = p_rows
+
+
+func validation_error() -> String:
+	if scan_id.is_empty() or session_id.is_empty():
+		return "sonar capture identifiers must not be empty"
+	if minimum_range_m < 0.0 or maximum_range_m <= minimum_range_m:
+		return "sonar capture range is invalid"
+	if horizontal_opening_radians <= 0.0 or horizontal_opening_radians >= PI:
+		return "sonar capture horizontal opening is invalid"
+	if vertical_opening_radians <= 0.0 or vertical_opening_radians >= PI:
+		return "sonar capture vertical opening is invalid"
+	if columns < 2 or rows < 2:
+		return "sonar capture dimensions must be at least 2 by 2"
+	return ""