markmental/yapb-noob-edition
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crlib: replace random number generator with wyhash.

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Benchmarks shows about 4x increased PRNG perfomance increase comparing to old one. Should slightly reduce per-bot CPU usage.
This commit is contained in:
ds 2020-09-29 19:23:26 +03:00
commit 726ea72965
13 changed files with 189 additions and 179 deletions
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16
src/chatlib.cpp
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@ -61,19 +61,19 @@ void BotSupport::addChatErrors (String &line) {
if (rg.chance (8) && strcmp (cv_language.str (), "en") == 0) {
line.lowercase ();
}
auto length = line.length ();
auto length = static_cast <int32> (line.length ());
if (length > 15) {
size_t percentile = line.length () / 2;
auto percentile = length / 2;
// "length / 2" percent of time drop a character
if (rg.chance (percentile)) {
line.erase (rg.int_ (length / 8, length - length / 8), 1);
line.erase (rg.get (length / 8, length - length / 8), 1);
}
// "length" / 4 precent of time swap character
if (rg.chance (percentile / 2)) {
size_t pos = rg.int_ (length / 8, 3 * length / 8); // choose random position in string
size_t pos = rg.get (length / 8, 3 * length / 8); // choose random position in string
cr::swap (line[pos], line[pos + 1]);
}
}
@ -301,10 +301,10 @@ bool Bot::isReplyingToChat () {
if (m_sayTextBuffer.entityIndex != -1 && !m_sayTextBuffer.sayText.empty ()) {
// check is time to chat is good
if (m_sayTextBuffer.timeNextChat < game.time () + rg.float_ (m_sayTextBuffer.chatDelay / 2, m_sayTextBuffer.chatDelay)) {
if (m_sayTextBuffer.timeNextChat < game.time () + rg.get (m_sayTextBuffer.chatDelay / 2, m_sayTextBuffer.chatDelay)) {
String replyText;
if (rg.chance (m_sayTextBuffer.chatProbability + rg.int_ (40, 70)) && checkChatKeywords (replyText)) {
if (rg.chance (m_sayTextBuffer.chatProbability + rg.get (40, 70)) && checkChatKeywords (replyText)) {
prepareChatMessage (replyText);
pushMsgQueue (BotMsg::Say);
@ -329,7 +329,7 @@ void Bot::checkForChat () {
}
// bot chatting turned on?
if (m_lastChatTime + rg.float_ (6.0f, 10.0f) < game.time () && bots.getLastChatTimestamp () + rg.float_ (2.5f, 5.0f) < game.time () && !isReplyingToChat ()) {
if (m_lastChatTime + rg.get (6.0f, 10.0f) < game.time () && bots.getLastChatTimestamp () + rg.get (2.5f, 5.0f) < game.time () && !isReplyingToChat ()) {
if (conf.hasChatBank (Chat::Dead)) {
StringRef phrase = conf.pickRandomFromChatBank (Chat::Dead);
bool sayBufferExists = false;
@ -355,7 +355,7 @@ void Bot::checkForChat () {
}
// clear the used line buffer every now and then
if (static_cast <int> (m_sayTextBuffer.lastUsedSentences.length ()) > rg.int_ (4, 6)) {
if (static_cast <int> (m_sayTextBuffer.lastUsedSentences.length ()) > rg.get (4, 6)) {
m_sayTextBuffer.lastUsedSentences.clear ();
}
}