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Improve random map seed generation

experimental
kwolekr 2013-01-23 10:13:04 -05:00
parent 2868676693
commit a73905401a
1 changed files with 4 additions and 4 deletions
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8
src/map.cpp
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@ -2013,10 +2013,10 @@ ServerMap::ServerMap(std::string savedir, IGameDef *gamedef, EmergeManager *emer
if (g_settings->get("fixed_map_seed").empty()) if (g_settings->get("fixed_map_seed").empty())
{ {
m_seed = (((u64)(myrand()%0xffff)<<0) m_seed = (((u64)(myrand() & 0xffff) << 0)
+ ((u64)(myrand()%0xffff)<<16) | ((u64)(myrand() & 0xffff) << 16)
+ ((u64)(myrand()%0xffff)<<32) | ((u64)(myrand() & 0xffff) << 32)
+ ((u64)(myrand()&0xffff)<<48)); | ((u64)(myrand() & 0xffff) << 48));
m_mgparams->seed = m_seed; m_mgparams->seed = m_seed;
} }