fixes

include/rendering/batch_renderers/point_cloud_batch_renderer.hpp

@@ -0,0 +1,59 @@
+#pragma once
+
+#include "opengl/handles/shader_program_handle.hpp"
+#include "rendering/batches/point_cloud_batch.hpp"
+#include "assets/components/point_cloud_vertex_components.hpp"
+#include "rendering/modes/point_cloud_modes.hpp"
+#include <optional>
+
+#include "scene/lighting_setup.hpp"
+#include "rendering/shader_program_lookups/point_cloud_lookup.hpp"
+
+namespace rendering
+{
+
+class point_cloud_batch_renderer
+{
+public:
+	using batch_components_type = components::point_cloud_vertex::flags;
+	using batch_type = point_cloud_batch;
+	using batch_index_type = ztu::u32;
+	using batch_id_type = batch_index_type;
+	using id_type = std::pair<batch_id_type, batch_type::id_type>;
+
+	explicit point_cloud_batch_renderer(int render_mode_count);
+
+	std::optional<id_type> add(
+		batch_components_type batch_components,
+		const zgl::point_cloud_handle& point_cloud,
+		const aabb& bounding_box,
+		const zgl::model_matrix_handle& transform,
+		const shader_program_lookups::point_cloud_lookup& shader_program_lookup
+	);
+
+	std::optional<aabb> bounding_box(id_type id);
+
+	bool remove(id_type id);
+
+	void render(
+		modes::point_cloud render_mode,
+		const glm::mat4& vp_matrix,
+		const glm::vec3& camera_position,
+		const lighting_setup&
+	);
+
+protected:
+	[[nodiscard]] std::pair<std::size_t, bool> lookup_batch(const batch_components_type& batch_component) const;
+
+private:
+	int m_render_mode_count;
+
+	std::vector<std::pair<batch_components_type, batch_index_type>> m_component_lookup;
+	std::vector<batch_id_type> m_id_lookup;
+	std::vector<std::pair<batch_type, batch_components_type>> m_batches;
+	std::vector<zgl::shader_program_handle> m_shader_programs;
+
+	batch_id_type m_next_batch_id{ 0 };
+};
+
+}