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Use absolute value for bouncy in collision (#11969)

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* use abs(bouncy) in collision
* test case for negative bouncy
* send abs(bouncy) to old clients
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pecksin 2022-02-16 17:06:00 -05:00 • committed by GitHub
parent 258ae99491
commit 5d0b18a0d0
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3 changed files with 10 additions and 4 deletions
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7
src/nodedef.cpp
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@ -452,7 +452,12 @@ void ContentFeatures::serialize(std::ostream &os, u16 protocol_version) const
writeU16(os, groups.size());
for (const auto &group : groups) {
os << serializeString16(group.first);
writeS16(os, group.second);
if (protocol_version < 41 && group.first.compare("bouncy") == 0) {
// Old clients may choke on negative bouncy value
writeS16(os, abs(group.second));
} else {
writeS16(os, group.second);
}
}
writeU8(os, param_type);
writeU8(os, param_type_2);