From ab8dfb45b4e1f6b2c331cc9b8a367ae81cd16f42 Mon Sep 17 00:00:00 2001
From: Jude Melton-Houghton <jwmhjwmh@gmail.com>
Date: Sat, 13 Aug 2022 02:53:47 -0400
Subject: Allow buffer argument to VoxelManip:get_light_data (#12682)

---
 src/script/lua_api/l_vmanip.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/script/lua_api/l_vmanip.cpp b/src/script/lua_api/l_vmanip.cpp
index 6187a47db..f6426771f 100644
--- a/src/script/lua_api/l_vmanip.cpp
+++ b/src/script/lua_api/l_vmanip.cpp
@@ -260,11 +260,17 @@ int LuaVoxelManip::l_get_light_data(lua_State *L)
 	NO_MAP_LOCK_REQUIRED;
 
 	LuaVoxelManip *o = checkobject(L, 1);
+	bool use_buffer  = lua_istable(L, 2);
+
 	MMVManip *vm = o->vm;
 
 	u32 volume = vm->m_area.getVolume();
 
-	lua_createtable(L, volume, 0);
+	if (use_buffer)
+		lua_pushvalue(L, 2);
+	else
+		lua_createtable(L, volume, 0);
+
 	for (u32 i = 0; i != volume; i++) {
 		lua_Integer light = vm->m_data[i].param1;
 		lua_pushinteger(L, light);
-- 
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