godot_voxel/streams/voxel_stream_block_files.h

46 lines
1.2 KiB
C++

#ifndef VOXEL_STREAM_BLOCK_FILES_H
#define VOXEL_STREAM_BLOCK_FILES_H
#include "voxel_stream_file.h"
class FileAccess;
// Loads and saves blocks to the filesystem, under a directory.
// Each block gets its own file, which may produce a lot of them, but it makes it simple to implement.
class VoxelStreamBlockFiles : public VoxelStreamFile {
GDCLASS(VoxelStreamBlockFiles, VoxelStreamFile)
public:
VoxelStreamBlockFiles();
void emerge_block(Ref<VoxelBuffer> out_buffer, Vector3i origin_in_voxels, int lod) override;
void immerge_block(Ref<VoxelBuffer> buffer, Vector3i origin_in_voxels, int lod) override;
String get_directory() const;
void set_directory(String dirpath);
int get_block_size_po2() const override;
protected:
static void _bind_methods();
private:
Error save_meta();
Error load_meta();
String get_block_file_path(const Vector3i &block_pos, unsigned int lod) const;
Vector3i get_block_position(const Vector3i &origin_in_voxels) const;
String _directory_path;
struct Meta {
uint8_t version = -1;
uint8_t lod_count = 0;
uint8_t block_size_po2 = 0; // How many voxels in a block
};
Meta _meta;
bool _meta_loaded = false;
bool _meta_saved = false;
};
#endif // VOXEL_STREAM_BLOCK_FILES_H