// emeraldfinder is a gomcmap demo program to find emerald ores in a Minecraft map. package main import ( "flag" "fmt" "github.com/silvasur/gomcmap/mcmap" "os" ) func main() { path := flag.String("path", "", "Path to region directory") flag.Parse() if *path == "" { flag.Usage() os.Exit(1) } region, err := mcmap.OpenRegion(*path, true) if err != nil { fmt.Fprintf(os.Stderr, "Could not open region: %s\n", err) os.Exit(1) } chunkLoop: for chunkPos := range region.AllChunks() { cx, cz := chunkPos.X, chunkPos.Z chunk, err := region.Chunk(cx, cz) switch err { case nil: case mcmap.NotAvailable: continue chunkLoop default: fmt.Fprintf(os.Stderr, "Error while getting chunk (%d, %d): %s\n", cx, cz, err) os.Exit(1) } chunk.Iter(func(x, y, z int, blk *mcmap.Block) { if blk.ID == mcmap.BlkEmeraldOre { absx, absz := mcmap.ChunkToBlock(cx, cz, x, z) fmt.Printf("%d, %d, %d\n", absx, y, absz) } }) chunk.MarkUnused() } }