Improve random map seed generation

2013-01-23 10:13:04 -05:00 · 2013-01-23 10:13:04 -05:00 · a73905401a
parent 2868676693
commit a73905401a
1 changed files with 4 additions and 4 deletions
--- a/src/map.cpp
+++ b/src/map.cpp
@ -2013,10 +2013,10 @@ ServerMap::ServerMap(std::string savedir, IGameDef *gamedef, EmergeManager *emer

 	if (g_settings->get("fixed_map_seed").empty())
 	{
-		m_seed = (((u64)(myrand()%0xffff)<<0)
-				+ ((u64)(myrand()%0xffff)<<16)
-				+ ((u64)(myrand()%0xffff)<<32)
-				+ ((u64)(myrand()&0xffff)<<48));
+		m_seed = (((u64)(myrand() & 0xffff) << 0)
+				| ((u64)(myrand() & 0xffff) << 16)
+				| ((u64)(myrand() & 0xffff) << 32)
+				| ((u64)(myrand() & 0xffff) << 48));
 		m_mgparams->seed = m_seed;
 	}