initial commit

include/assets/data_loaders/generic/generic_3dtk_loader.hpp

@@ -0,0 +1,58 @@
+#pragma once
+
+#include <filesystem>
+#include <charconv>
+#include <string_view>
+
+#include "glm/mat4x4.hpp"
+#include "util/result.hpp"
+#include "util/string_list.hpp"
+#include "assets/prefetch_queue.hpp"
+
+#include "assets/dynamic_read_buffers/dynamic_point_cloud_buffer.hpp"
+#include "assets/dynamic_data_stores/dynamic_point_cloud_store.hpp"
+#include "assets/prefetch_lookup.hpp"
+
+
+
+template<bool Normal, bool Color, bool Reflectance>
+struct generic_3dtk_loader
+{
+	[[nodiscard]] static std::error_code prefetch(
+		const ztu::string_list& filenames,
+		prefetch_queue& queue
+	);
+
+	[[nodiscard]] static std::error_code load(
+		dynamic_point_cloud_buffer& buffer,
+		const file_dir_list& paths,
+		prefetch_lookup& asset_lookup,
+		dynamic_point_cloud_store& store,
+		bool pedantic = false
+	);
+
+protected:
+
+	[[nodiscard]] static ztu::result<pose_prefetch_lookup::index_type> parse_index(
+		std::string_view filename
+	);
+
+	ztu::result<std::pair<ztu::u32, std::chars_format>> analyze_component_format(
+		std::string_view line
+	);
+
+	void transform_point_cloud(
+		std::span<components::point_cloud_vertex::position::value_type> points,
+		const glm::mat4& pose
+	);
+
+private:
+	std::error_code read_point_file(
+		const std::filesystem::path& filename,
+		dynamic_point_cloud_buffer& point_cloud
+	);
+};
+
+#define INCLUDE_GENERIC_3DTK_LOADER_IMPLEMENTATION
+#include "assets/data_loaders/generic/generic_3dtk_loader.ipp"
+#undef INCLUDE_GENERIC_3DTK_LOADER_IMPLEMENTATION