change: Started rewriting parts of the project in Go

storage/file_operations.go

@@ -0,0 +1,18 @@
+package storage
+
+import (
+	"encoding/json"
+	"os"
+
+	"git.nicholasnovak.io/nnovak/spatial-db/world"
+)
+
+func ReadChunkFromFile(chunkFile *os.File) (world.ChunkData, error) {
+	var chunkData world.ChunkData
+
+	if err := json.NewDecoder(chunkFile).Decode(&chunkData); err != nil {
+		return chunkData, err
+	}
+
+	return chunkData, nil
+}

storage/simple_server.go

@@ -0,0 +1,79 @@
+package storage
+
+import (
+	"encoding/json"
+	"errors"
+	"io/fs"
+	"os"
+
+	"git.nicholasnovak.io/nnovak/spatial-db/world"
+)
+
+const fileCacheSize = 8
+
+type SimpleServer struct {
+}
+
+// Filesystem operations
+
+func (s *SimpleServer) FetchChunk(pos world.ChunkPos) (world.ChunkData, error) {
+	chunkFileName := pos.ToFileName()
+
+	var chunkData world.ChunkData
+
+	chunkFile, err := os.Open(chunkFileName)
+	if err != nil {
+		if errors.Is(err, fs.ErrNotExist) {
+			// There was no chunk that exists, create a blank one
+			chunkFile, err = os.Create(chunkFileName)
+			if err != nil {
+				return chunkData, err
+			}
+
+			// Initilize the file with some blank data
+			if err := json.NewEncoder(chunkFile).Encode(chunkData); err != nil {
+				return chunkData, err
+			}
+		} else {
+			return chunkData, err
+		}
+	}
+
+	return ReadChunkFromFile(chunkFile)
+}
+
+// Voxel server implementation
+
+func (s *SimpleServer) ChangeBlock(
+	worldPosition world.BlockPos,
+	targetState world.BlockID,
+) error {
+	chunk, err := s.FetchChunk(worldPosition.ToChunkPos())
+	if err != nil {
+		return err
+	}
+
+	chunk.SectionFor(worldPosition).UpdateBlock(worldPosition, targetState)
+
+	return nil
+}
+
+func (s *SimpleServer) ChangeBlockRange(
+	targetState world.BlockID,
+	start, end world.BlockPos,
+) error {
+	panic("ChangeBlockRange is unimplemented")
+}
+
+func (s *SimpleServer) ReadBlockAt(pos world.BlockPos) (world.BlockID, error) {
+	chunk, err := s.FetchChunk(pos.ToChunkPos())
+	if err != nil {
+		return world.Empty, err
+	}
+
+	return chunk.SectionFor(pos).FetchBlock(pos), nil
+}
+
+func (s *SimpleServer) ReadChunkAt(pos world.ChunkPos) (world.ChunkData, error) {
+	return s.FetchChunk(pos)
+}

storage/storage_server.go

@@ -0,0 +1,13 @@
+package storage
+
+import "git.nicholasnovak.io/nnovak/spatial-db/world"
+
+type StorageServer interface {
+	// Individual block-level interactions
+	ChangeBlock(targetState world.BlockID, world_position world.BlockPos) error
+	ChangeBlockRange(targetState world.BlockID, start, end world.BlockPos) error
+	ReadBlockAt(pos world.BlockPos) error
+
+	// Network-level operations
+	ReadChunkAt(pos world.ChunkPos) error
+}