From: ShadowNinja <shadowninja@minetest.net>
Date: Tue, 15 Apr 2014 20:25:04 +0000 (-0400)
Subject: Use bit shifts rather than multiplication in block position encoding
X-Git-Url: http://81.2.79.47:8989/gitweb/?a=commitdiff_plain;h=a2003b0d553c7223a61c75e5dad79ea68e058ba2;p=zefram%2Fminetest%2Fminetest_engine.git

Use bit shifts rather than multiplication in block position encoding
---

diff --git a/src/database.cpp b/src/database.cpp
index cf208be8..15579a7f 100644
--- a/src/database.cpp
+++ b/src/database.cpp
@@ -32,9 +32,9 @@ static inline s16 unsigned_to_signed(u16 i, u16 max_positive)
 
 s64 Database::getBlockAsInteger(const v3s16 pos) const
 {
-	return (u64) pos.Z * 0x1000000 +
-		(u64) pos.Y * 0x1000 +
-		(u64) pos.X;
+	return (((u64) pos.Z) << 24) +
+		(((u64) pos.Y) << 12) +
+		((u64) pos.X);
 }
 
 v3s16 Database::getIntegerAsBlock(const s64 i) const