1 files changed, 45 insertions, 0 deletions
diff --git a/mcmap/examples/addchunk/main.go b/mcmap/examples/addchunk/main.go
new file mode 100644
index 0000000..0ca763f
--- /dev/null
+++ b/mcmap/examples/addchunk/main.go
@@ -0,0 +1,45 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"github.com/kch42/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, 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()
+	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)
+	}
+}