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authorLoic Blot <loic.blot@unix-experience.fr>2017-07-26 23:50:53 +0200
committerLoïc Blot <nerzhul@users.noreply.github.com>2017-07-27 07:56:48 +0200
commit4eb59aeeb2f2b535f4eb2a1608189bb03098454e (patch)
tree2610b979865d6f64dcc0c2e37e1fb1376f1ac692 /src/mapblock.cpp
parentc27504a322ad3dcc1ff483b416df265148486710 (diff)
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MapBlock::actuallyUpdateDayNightDiff(): little performance optimization
don't check isLightDayNightEq if checked on previous node
Diffstat (limited to 'src/mapblock.cpp')
-rw-r--r--src/mapblock.cpp9
1 files changed, 8 insertions, 1 deletions
diff --git a/src/mapblock.cpp b/src/mapblock.cpp
index f52a5ee3f..d94955a3b 100644
--- a/src/mapblock.cpp
+++ b/src/mapblock.cpp
@@ -366,12 +366,19 @@ void MapBlock::actuallyUpdateDayNightDiff()
/*
Check if any lighting value differs
*/
+
+ MapNode previous_n;
for (u32 i = 0; i < nodecount; i++) {
- MapNode &n = data[i];
+ MapNode n = data[i];
+
+ // If node is identical to previous node, don't verify if it differs
+ if (n == previous_n)
+ continue;
differs = !n.isLightDayNightEq(nodemgr);
if (differs)
break;
+ previous_n = n;
}
/*