fixes

source/rendering/batches/point_cloud_batch.ipp

@@ -0,0 +1,69 @@
+#ifndef INCLUDE_POINT_CLOUD_BATCH_IMPLEMENTATION
+#	error Never include this file directly include 'point_cloud_batch.hpp'
+#endif
+
+
+inline point_cloud_batch::id_type point_cloud_batch::add(
+	const zgl::point_cloud_handle& point_cloud,
+	const aabb& bounding_box,
+	const zgl::model_matrix_handle& transform
+) {
+	const auto new_id = m_next_id++;
+
+	m_point_clouds.push_back(point_cloud);
+	m_transforms.push_back(transform);
+	m_bounding_boxes.push_back(bounding_box);
+	m_id_lookup.push_back(new_id);
+
+	return new_id;
+}
+
+std::optional<aabb> point_cloud_batch::bounding_box(id_type id)
+{
+	const auto lookup_it = std::ranges::find(m_id_lookup, id);
+
+	if (lookup_it == m_id_lookup.end())
+	{
+		return std::nullopt;
+	}
+
+	const auto index = lookup_it - m_id_lookup.begin();
+
+	const auto& base_bounding_box = m_bounding_boxes[index];
+	const auto& transform = m_transforms[index];
+
+	return base_bounding_box.transformed(transform);
+}
+
+inline bool point_cloud_batch::remove(id_type id)
+{
+	const auto lookup_it = std::ranges::find(m_id_lookup, id);
+
+	if (lookup_it == m_id_lookup.end())
+	{
+		return false;
+	}
+
+	const auto index = lookup_it - m_id_lookup.begin();
+
+	m_id_lookup.erase(m_id_lookup.begin() + index);
+	m_point_clouds.erase(m_point_clouds.begin() + index);
+	m_transforms.erase(m_transforms.begin() + index);
+
+	return true;
+}
+
+inline std::span<const zgl::point_cloud_handle> point_cloud_batch::point_clouds() const
+{
+	return m_point_clouds;
+}
+
+inline std::span<const zgl::model_matrix_handle> point_cloud_batch::transforms() const
+{
+	return m_transforms;
+}
+
+inline std::span<const aabb> point_cloud_batch::bounding_boxes() const
+{
+	return m_bounding_boxes;
+}