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Add support for the PCG32 PRNG algo (and associated script APIs)

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kwolekr 2015-03-22 00:01:46 -04:00
parent 7679396ebb
commit 3993093f51
10 changed files with 415 additions and 179 deletions
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10
src/mapgen.cpp
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@ -515,14 +515,10 @@ void MapgenParams::load(const Settings &settings)
std::string seed_str;
const char *seed_name = (&settings == g_settings) ? "fixed_map_seed" : "seed";
if (settings.getNoEx(seed_name, seed_str) && !seed_str.empty()) {
if (settings.getNoEx(seed_name, seed_str) && !seed_str.empty())
seed = read_seed(seed_str.c_str());
} else {
seed = ((u64)(myrand() & 0xFFFF) << 0) |
((u64)(myrand() & 0xFFFF) << 16) |
((u64)(myrand() & 0xFFFF) << 32) |
((u64)(myrand() & 0xFFFF) << 48);
}
else
myrand_bytes(&seed, sizeof(seed));
settings.getNoEx("mg_name", mg_name);
settings.getS16NoEx("water_level", water_level);