From b9be995232e8299d504e7898a9d6c5384664b8ee Mon Sep 17 00:00:00 2001
From: Kevin Chabowski <kevin@kch42.de>
Date: Sun, 11 Aug 2013 23:01:55 +0200
Subject: Initial commit.

Reading maps is already working :-D
---
 mcmap/examples/emeraldfinder/main.go | 53 ++++++++++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 mcmap/examples/emeraldfinder/main.go

(limited to 'mcmap/examples/emeraldfinder/main.go')

diff --git a/mcmap/examples/emeraldfinder/main.go b/mcmap/examples/emeraldfinder/main.go
new file mode 100644
index 0000000..c437d41
--- /dev/null
+++ b/mcmap/examples/emeraldfinder/main.go
@@ -0,0 +1,53 @@
+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)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "Could not open region: %s", 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", cx, cz, err)
+			os.Exit(1)
+		}
+
+		for y := 0; y < 256; y++ {
+			for x := 0; x < 16; x++ {
+				for z := 0; z < 16; z++ {
+					blk := chunk.Block(x, y, z)
+					if blk.ID == mcmap.BlkEmeraldOre {
+						absx, absz := mcmap.ChunkToBlock(cx, cz, x, z)
+						fmt.Printf("%d, %d, %d\n", absx, y, absz)
+					}
+				}
+			}
+		}
+
+		chunk = nil
+		region.UnloadChunk(cx, cz)
+	}
+}
-- 
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