From c5f6f9f77ac1df4b223649fcaca9a66333aa8786 Mon Sep 17 00:00:00 2001
From: Craig Robbins <kde.psych@gmail.com>
Date: Wed, 10 Dec 2014 00:45:07 +1000
Subject: Increase performance of getLight() by at least 2x

Leads to the following increases:
getSmoothLight() approx.     40% increase
getTileInfo() approx.        25% increase
MapBlockMesh::MapBlockMesh() 25-30%
---
 src/mapnode.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src/mapnode.cpp')

diff --git a/src/mapnode.cpp b/src/mapnode.cpp
index fbf0ac8c9..4e8feb047 100644
--- a/src/mapnode.cpp
+++ b/src/mapnode.cpp
@@ -88,6 +88,12 @@ u8 MapNode::getLight(enum LightBank bank, INodeDefManager *nodemgr) const
 	return MYMAX(f.light_source, light);
 }
 
+u8 MapNode::getLightNoChecks(enum LightBank bank, const ContentFeatures *f)
+{
+	return MYMAX(f->light_source,
+	             bank == LIGHTBANK_DAY ? param1 & 0x0f : (param1 >> 4) & 0x0f);
+}
+
 bool MapNode::getLightBanks(u8 &lightday, u8 &lightnight, INodeDefManager *nodemgr) const
 {
 	// Select the brightest of [light source, propagated light]
-- 
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