From 7d853c21802494d7e3fe0ce78373b2c8687c378e Mon Sep 17 00:00:00 2001
From: Andrey Stepanov <standmit@yandex.ru>
Date: Mon, 4 Nov 2024 11:15:02 +0500
Subject: [PATCH] fix

---
 mapblockrenderer/renderer.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/mapblockrenderer/renderer.go b/mapblockrenderer/renderer.go
index 2007348..84ca91b 100644
--- a/mapblockrenderer/renderer.go
+++ b/mapblockrenderer/renderer.go
@@ -149,7 +149,7 @@ func (r *MapBlockRenderer) Render(pos1, pos2 *types.MapBlockCoords) (*image.NRGB
 
 		for x := 0; x < 16; x++ {
 			for z := 0; z < 16; z++ {
-				var colors_stack [15]color.RGBA
+				var colors_stack [16]color.RGBA
 				var visible_nodes_count uint8 = 0
 				for y := 15; y >= 0; y-- {
 					if xzOccupationMap[x][z] {
@@ -243,6 +243,10 @@ func (r *MapBlockRenderer) Render(pos1, pos2 *types.MapBlockCoords) (*image.NRGB
 					}
 				}
 
+				if visible_nodes_count == 0 {
+					continue
+				}
+
 				visible_nodes_count--
 				result_color := colors_stack[visible_nodes_count]
 				if visible_nodes_count > 0 {