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Implement client node dig prediction

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Dig prediction allows clients to remove dug nodes without
waiting for server acknowledgement.
This patch allows mods to override dig prediction,
it can either be turned off or a different "prediction node"
can be selected.
This commit is contained in:
Auke Kok 2017-09-11 14:50:06 +02:00 • committed by sfan5
parent d10cccee31
commit 5b3fbf9cf7
5 changed files with 33 additions and 1 deletions
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12
src/game.cpp
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@ -4104,7 +4104,17 @@ void Game::handleDigging(const PointedThing &pointed, const v3s16 &nodepos,
client->getScript()->on_dignode(nodepos, wasnode)) {
return;
}
client->removeNode(nodepos);
const ContentFeatures &f = client->ndef()->get(wasnode);
if (f.node_dig_prediction == "air") {
client->removeNode(nodepos);
} else if (!f.node_dig_prediction.empty()) {
content_t id;
bool found = client->ndef()->getId(f.node_dig_prediction, id);
if (found)
client->addNode(nodepos, id, true);
}
// implicit else: no prediction
}
client->interact(2, pointed);