func main() {
path := flag.String("path", "", "Path to region directory")
flag.Parse()
if *path == "" {
flag.Usage()
os.Exit(1)
}
region, err := mcmap.OpenRegion(*path, false)
if err != nil {
fmt.Fprintf(os.Stderr, "Could not open region: %s\n", err)
os.Exit(1)
}
chunk, err := region.Chunk(200, 200)
if err != nil {
fmt.Fprintf(os.Stderr, "Error getting chunk 200,200: %s\n", err)
os.Exit(1)
}
chunk.MarkDeleted()
if err := chunk.MarkUnused(); err != nil {
fmt.Fprintf(os.Stderr, "Could not mark chunk as unused: %s\n", err)
os.Exit(1)
}
if err := region.Save(); err != nil {
fmt.Fprintf(os.Stderr, "Could not save region: %s\n", err)
os.Exit(1)
}
}
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)
}
modified := false
chunk.Iter(func(x, y, z int, blk *mcmap.Block) {
if blk.ID == mcmap.BlkBlockOfIron {
blk.ID = mcmap.BlkBlockOfDiamond
modified = true
}
})
if modified {
fmt.Printf("Modified chunk %d, %d.\n", cx, cz)
chunk.MarkModified()
}
if err := chunk.MarkUnused(); err != nil {
fmt.Fprintf(os.Stderr, "Error while unloading chunk %d, %d: %s\n", cx, cz, err)
os.Exit(1)
}
}
if err := region.Save(); err != nil {
fmt.Fprintf(os.Stderr, "Error while saving: %s\n", err)
os.Exit(1)
}
}
func readWorld(p string) (*mcmap.Region, int, int, error) {
f, err := os.Open(p)
if err != nil {
return nil, 0, 0, err
}
defer f.Close()
x, z, err := getMapCenter(f)
if err != nil {
return nil, 0, 0, err
}
dir, _ := path.Split(p)
region, err := mcmap.OpenRegion(path.Join(dir, "region"), false)
return region, x, z, err
}
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()
}
}
func main() {
path := flag.String("path", "", "Path to region directory")
flag.Parse()
if *path == "" {
flag.Usage()
os.Exit(1)
}
region, err := mcmap.OpenRegion(*path, false)
if err != nil {
fmt.Fprintf(os.Stderr, "Could not open region: %s\n", err)
os.Exit(1)
}
chunk, err := region.NewChunk(200, 200)
if err != nil {
fmt.Fprintf(os.Stderr, "Could not create a Chunk at 200,200: %s\n", err)
os.Exit(1)
}
chunk.Iter(func(x, y, z int, blk *mcmap.Block) {
blk.ID = mcmap.BlkSandstone
})
chunk.RecalcHeightMap()
chunk.MarkModified()
if err := chunk.MarkUnused(); err != nil {
fmt.Fprintf(os.Stderr, "Could not MarkUnused(): %s\n", err)
os.Exit(1)
}
if err := region.Save(); err != nil {
fmt.Fprintf(os.Stderr, "Could not save region: %s\n", err)
os.Exit(1)
}
}
func main() {
path := flag.String("path", "", "Path to region directory")
output := flag.String("output", "map.png", "File to write image to")
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)
}
xmin, xmax, zmin, zmax := region.MaxDims()
w := (xmax - xmin) * mcmap.ChunkSizeXZ
h := (zmax - zmin) * mcmap.ChunkSizeXZ
img := image.NewRGBA(image.Rect(0, 0, w, h))
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)
}
for x := 0; x < mcmap.ChunkSizeXZ; x++ {
scanZ:
for z := 0; z < mcmap.ChunkSizeXZ; z++ {
ax, az := mcmap.ChunkToBlock(cx, cz, x, z)
for y := mcmap.ChunkSizeY; y >= 0; y-- {
blk := chunk.Block(x, y, z)
c, ok := colors[blk.ID]
if ok {
img.Set(ax-(xmin*mcmap.ChunkSizeXZ), az-(zmin*mcmap.ChunkSizeXZ), c)
continue scanZ
}
}
img.Set(ax-(xmin*mcmap.ChunkSizeXZ), az-(zmin*mcmap.ChunkSizeXZ), rgb(0x000000))
}
}
if err := chunk.MarkUnused(); err != nil {
fmt.Fprintf(os.Stderr, "Error while unloading chunk %d, %d: %s\n", cx, cz, err)
os.Exit(1)
}
}
f, err := os.Create(*output)
if err != nil {
fmt.Fprintf(os.Stderr, "Could not write image: %s", err)
os.Exit(1)
}
defer f.Close()
if err := png.Encode(f, img); err != nil {
fmt.Fprintf(os.Stderr, "Could not write image: %s", err)
os.Exit(1)
}
}