Use bit shifts rather than multiplication in block position encoding

2014-04-15 16:25:04 -04:00 · 2014-04-15 16:25:04 -04:00 · a2003b0d55
parent 54ffe2e5de
commit a2003b0d55
1 changed files with 3 additions and 3 deletions
--- 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