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Fix crash on creating map with invalid mg_name
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@ -243,6 +243,8 @@ MapgenParams *EmergeManager::createMapgenParams(std::string mgname) {
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MapgenParams *EmergeManager::getParamsFromSettings(Settings *settings) {
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std::string mg_name = settings->get("mg_name");
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MapgenParams *mgparams = createMapgenParams(mg_name);
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if (!mgparams)
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return NULL;
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mgparams->mg_name = mg_name;
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mgparams->seed = settings->getU64(settings == g_settings ? "fixed_map_seed" : "seed");
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