From 57a4f7629c58e2322e0e6a462268710a3745b155 Mon Sep 17 00:00:00 2001
From: BuckarooBanzay <BuckarooBanzay@users.noreply.github.com>
Date: Mon, 2 Sep 2024 13:51:38 +0200
Subject: [PATCH] implement GetNode on mapblock

---
 mapblock.go | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/mapblock.go b/mapblock.go
index f2e1251..18424f0 100644
--- a/mapblock.go
+++ b/mapblock.go
@@ -1,5 +1,7 @@
 package types
 
+import "fmt"
+
 type MapBlock struct {
 	Size         int            `json:"size"`
 	Version      byte           `json:"version"`
@@ -35,3 +37,18 @@ func (mb *MapBlock) GetNodeName(p *Pos) string {
 	id := mb.GetNodeId(p)
 	return mb.BlockMapping[id]
 }
+
+func (mb *MapBlock) GetNode(p *Pos) (*Node, error) {
+	i := p.Index()
+
+	if i > len(mb.Mapdata.ContentId) {
+		return nil, fmt.Errorf("unexpected index, got %d, len: %d, pos: %s", i, len(mb.Mapdata.ContentId), p)
+	}
+
+	return &Node{
+		Pos:    p,
+		Name:   mb.BlockMapping[mb.Mapdata.ContentId[i]],
+		Param1: mb.Mapdata.Param1[i],
+		Param2: mb.Mapdata.Param2[i],
+	}, nil
+}