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progress: Finished the chunk-level ui for the visualization

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This commit is contained in:
Nicholas Novak
2023-10-29 19:32:23 -07:00
parent f941bf87f0
commit e82ad34de5
3 changed files with 131 additions and 26 deletions
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31
storage/simple_server.go
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@@ -12,12 +12,16 @@ import (
const fileCacheSize = 8
var (
ChunkNotFoundError = errors.New("chunk was not found in storage")
)
type SimpleServer struct {
}
// Filesystem operations
func (s *SimpleServer) FetchChunk(pos world.ChunkPos) (world.ChunkData, error) {
func (s *SimpleServer) FetchOrCreateChunk(pos world.ChunkPos) (world.ChunkData, error) {
chunkFileName := filepath.Join(ChunkFileDirectory, pos.ToFileName())
var chunkData world.ChunkData
@@ -43,6 +47,25 @@ func (s *SimpleServer) FetchChunk(pos world.ChunkPos) (world.ChunkData, error) {
return chunkData, err
}
}
defer chunkFile.Close()
return ReadChunkFromFile(chunkFile)
}
func (s *SimpleServer) FetchChunk(pos world.ChunkPos) (world.ChunkData, error) {
chunkFileName := filepath.Join(ChunkFileDirectory, pos.ToFileName())
var chunkData world.ChunkData
chunkFile, err := os.Open(chunkFileName)
if err != nil {
if errors.Is(err, fs.ErrNotExist) {
return chunkData, ChunkNotFoundError
} else {
return chunkData, err
}
}
defer chunkFile.Close()
return ReadChunkFromFile(chunkFile)
}
@@ -53,7 +76,7 @@ func (s *SimpleServer) ChangeBlock(
worldPosition world.BlockPos,
targetState world.BlockID,
) error {
chunk, err := s.FetchChunk(worldPosition.ToChunkPos())
chunk, err := s.FetchOrCreateChunk(worldPosition.ToChunkPos())
if err != nil {
return err
}
@@ -71,7 +94,7 @@ func (s *SimpleServer) ChangeBlockRange(
}
func (s *SimpleServer) ReadBlockAt(pos world.BlockPos) (world.BlockID, error) {
chunk, err := s.FetchChunk(pos.ToChunkPos())
chunk, err := s.FetchOrCreateChunk(pos.ToChunkPos())
if err != nil {
return world.Empty, err
}
@@ -80,5 +103,5 @@ func (s *SimpleServer) ReadBlockAt(pos world.BlockPos) (world.BlockID, error) {
}
func (s *SimpleServer) ReadChunkAt(pos world.ChunkPos) (world.ChunkData, error) {
return s.FetchChunk(pos)
return s.FetchOrCreateChunk(pos)
}