87 lines
1.8 KiB
Go
87 lines
1.8 KiB
Go
package server
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import (
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"encoding/json"
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"os"
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"path/filepath"
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log "github.com/sirupsen/logrus"
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"git.nicholasnovak.io/nnovak/spatial-db/world"
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)
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type HashServer struct {
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blocks map[world.BlockPos]world.BlockID
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}
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func (hs *HashServer) SetStorageRoot(path string) {
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hs.blocks = make(map[world.BlockPos]world.BlockID)
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chunkFiles, err := os.ReadDir(path)
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if err != nil {
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panic(err)
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}
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for chunkIndex, chunkFile := range chunkFiles {
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var data world.ChunkData
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log.Infof("Reading in chunk %d of %d", chunkIndex, len(chunkFiles))
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f, err := os.Open(filepath.Join(path, chunkFile.Name()))
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if err != nil {
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panic(err)
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}
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// Read each file from disk
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if err := json.NewDecoder(f).Decode(&data); err != nil {
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panic(err)
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}
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// Load in each data point from disk
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for _, section := range data.Sections {
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for blockIndex, blockState := range section.BlockStates {
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pos := data.IndexToBlockPos(blockIndex)
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hs.blocks[pos] = blockState
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}
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}
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f.Close()
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}
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}
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func (hs *HashServer) FetchChunk(pos world.ChunkPos) (world.ChunkData, error) {
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panic("Unimplemented")
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}
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func (hs *HashServer) ChangeBlock(
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worldPosition world.BlockPos,
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targetState world.BlockID,
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) error {
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hs.blocks[worldPosition] = targetState
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return nil
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}
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func (hs *HashServer) ChangeBlockRange(
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targetState world.BlockID,
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start, end world.BlockPos,
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) error {
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panic("Unimplemented")
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}
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func (hs *HashServer) ReadBlockAt(pos world.BlockPos) (world.BlockID, error) {
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return hs.blocks[pos], nil
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}
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func (hs *HashServer) ReadChunkAt(pos world.ChunkPos) (world.ChunkData, error) {
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var data world.ChunkData
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data.Pos = pos
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for blockPos, state := range hs.blocks {
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if blockPos.ToChunkPos() == pos {
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sec := data.SectionFor(blockPos)
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sec.UpdateBlock(blockPos, state)
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}
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}
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return data, nil
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}
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