47 lines
1.0 KiB
Go
47 lines
1.0 KiB
Go
package loading
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import (
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"git.nicholasnovak.io/nnovak/spatial-db/world"
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"github.com/Tnze/go-mc/save"
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"github.com/Tnze/go-mc/save/region"
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)
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// LoadRegionFile loads a single region file into an array of chunks
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//
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// A region is a 32x32 grid of chunks, although the final output can store less
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func LoadRegionFile(fileName string) ([]world.ChunkData, error) {
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regionFile, err := region.Open(fileName)
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if err != nil {
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return nil, err
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}
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defer regionFile.Close()
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// A region file is a 32x32 grid of chunks
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chunks := []world.ChunkData{}
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for i := 0; i < 32; i++ {
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for j := 0; j < 32; j++ {
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if regionFile.ExistSector(i, j) {
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sectorFile, err := regionFile.ReadSector(i, j)
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if err != nil {
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return nil, err
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}
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// Read each chunk from disk
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var chunk save.Chunk
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if err := chunk.Load(sectorFile); err != nil {
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return nil, err
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}
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// Convert each chunk into the database's format
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var chunkData world.ChunkData
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chunkData.FromMCAChunk(chunk)
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chunks = append(chunks, chunkData)
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}
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}
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}
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return chunks, nil
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}
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