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-rw-r--r--src/cavegen.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/cavegen.cpp b/src/cavegen.cpp
index 71f005d5b..f04c02db9 100644
--- a/src/cavegen.cpp
+++ b/src/cavegen.cpp
@@ -518,7 +518,8 @@ void CaveV7::carveRoute(v3f vec, float f, bool randomize_xz, bool is_ravine) {
v3s16 p(cp.X + x0, cp.Y + y0, cp.Z + z0);
p += of;
- if (!is_ravine && mg->heightmap && should_make_cave_hole) {
+ if (!is_ravine && mg->heightmap && should_make_cave_hole &&
+ p.X <= node_max.X && p.Z <= node_max.Z) {
int maplen = node_max.X - node_min.X + 1;
int idx = (p.Z - node_min.Z) * maplen + (p.X - node_min.X);
if (p.Y >= mg->heightmap[idx] - 2)