From 466c48d5f39e267414b01103a41ef527e430711a Mon Sep 17 00:00:00 2001
From: proller <proller@github.com>
Date: Mon, 22 Jan 2024 01:47:24 +0100
Subject: [PATCH] Rare tree grow without light

---
 games/default                 | 2 +-
 src/content_abm_grow_tree.cpp | 4 +++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/games/default b/games/default
index 731069426..8fe067539 160000
--- a/games/default
+++ b/games/default
@@ -1 +1 @@
-Subproject commit 7310694262b399d3a9c39d5aeec46b7b3e69fced
+Subproject commit 8fe067539d975c37bb16a68cfb0b78d23397397a
diff --git a/src/content_abm_grow_tree.cpp b/src/content_abm_grow_tree.cpp
index c48cfe2fd..1c4d26b92 100644
--- a/src/content_abm_grow_tree.cpp
+++ b/src/content_abm_grow_tree.cpp
@@ -21,6 +21,7 @@ along with Freeminer.  If not, see <http://www.gnu.org/licenses/>.
 
 #include <cmath>
 #include <cstdint>
+#include "light.h"
 #include "mapnode.h"
 #include "nodedef.h"
 #include "server.h"
@@ -397,7 +398,8 @@ class GrowTree : public ActiveBlockModifier
 		for (int i = D_SELF + 1; i <= D_BOTTOM; ++i) {
 			auto &nb = nbh[i];
 			const bool allow_grow_by_light =
-					!nb.top || nb.light <= params.tree_grow_light_max;
+					(!nb.top || (nb.light <= params.tree_grow_light_max &&
+										!myrand_range(0, LIGHT_MAX - nb.light)));
 			bool up_all_leaves = true;
 			//DUMP("gr", i, nb.top, nb.bottom, allow_grow_by_light, nb.water_level, nb.is_leaves, nb.is_tree, nb.is_liquid, nb.is_soil);