remo/RegionIO
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Commit exhaustive vanilla worldgen fixture

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This commit is contained in:
Daniar Mannanov 2026-08-10 23:54:04 +03:00
parent 064f0f1cca
commit be8f030698
9 changed files with 223 additions and 14 deletions
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17
cmd/vanillacapture/main.go
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@ -20,7 +20,7 @@ import (
"regionio/internal/world"
)
const fixtureMagic = "RIOPAR01"
const fixtureMagic = "RIOPAR02"
type chunkPos struct{ x, z int32 }
@ -63,7 +63,8 @@ func main() {
if err := runServer(*java, jar, work, chunks); err != nil {
fatal(err)
}
if err := writeFixture(filepath.Join(work, "world"), *output, *seed, chunks); err != nil {
overworld := filepath.Join(work, "world", "dimensions", "minecraft", "overworld")
if err := writeFixture(overworld, *output, *seed, chunks); err != nil {
fatal(err)
}
fmt.Printf("wrote %s: seed %d, %d chunks\n", *output, *seed, len(chunks))
@ -233,6 +234,18 @@ func writeFixture(worldDir, output string, seed int64, chunks []chunkPos) error
}
}
}
heightmaps, err := store.LoadVanillaHeightmaps(pos.x, pos.z)
if err != nil {
return fmt.Errorf("load vanilla heightmaps (%d,%d): %w", pos.x, pos.z, err)
}
for _, heightmap := range heightmaps {
for _, y := range heightmap {
binary.BigEndian.PutUint16(value[:2], uint16(y))
if _, err := f.Write(value[:2]); err != nil {
return err
}
}
}
}
if err := f.Sync(); err != nil {
return err