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Merge pull request #2086 from PhilipRosedale/master

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Add stochastic falloff for sending other avatar’s data
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ZappoMan 2014-02-25 10:52:43 -08:00
commit 17e4426b50
1 changed files with 23 additions and 13 deletions
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36
assignment-client/src/avatars/AvatarMixer.cpp
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@ -61,26 +61,36 @@ void broadcastAvatarData() {
// reset packet pointers for this node // reset packet pointers for this node
mixedAvatarByteArray.resize(numPacketHeaderBytes); mixedAvatarByteArray.resize(numPacketHeaderBytes);
AvatarMixerClientData* myData = reinterpret_cast<AvatarMixerClientData*>(node->getLinkedData());
glm::vec3 myPosition = myData->getPosition();
// this is an AGENT we have received head data from // this is an AGENT we have received head data from
// send back a packet with other active node data to this node // send back a packet with other active node data to this node
foreach (const SharedNodePointer& otherNode, nodeList->getNodeHash()) { foreach (const SharedNodePointer& otherNode, nodeList->getNodeHash()) {
if (otherNode->getLinkedData() && otherNode->getUUID() != node->getUUID()) { if (otherNode->getLinkedData() && otherNode->getUUID() != node->getUUID()) {
QByteArray avatarByteArray; AvatarMixerClientData* otherNodeData = reinterpret_cast<AvatarMixerClientData*>(otherNode->getLinkedData());
avatarByteArray.append(otherNode->getUUID().toRfc4122()); glm::vec3 otherPosition = otherNodeData->getPosition();
float distanceToAvatar = glm::length(myPosition - otherPosition);
AvatarMixerClientData* nodeData = reinterpret_cast<AvatarMixerClientData*>(otherNode->getLinkedData()); // The full rate distance is the distance at which EVERY update will be sent for this avatar
avatarByteArray.append(nodeData->toByteArray()); // at a distance of twice the full rate distance, there will be a 50% chance of sending this avatar's update
const float FULL_RATE_DISTANCE = 2.f;
if (avatarByteArray.size() + mixedAvatarByteArray.size() > MAX_PACKET_SIZE) { // Decide whether to send this avatar's data based on it's distance from us
nodeList->writeDatagram(mixedAvatarByteArray, node); if ((distanceToAvatar == 0.f) || (randFloat() < FULL_RATE_DISTANCE / distanceToAvatar)) {
QByteArray avatarByteArray;
avatarByteArray.append(otherNode->getUUID().toRfc4122());
avatarByteArray.append(otherNodeData->toByteArray());
// reset the packet if (avatarByteArray.size() + mixedAvatarByteArray.size() > MAX_PACKET_SIZE) {
mixedAvatarByteArray.resize(numPacketHeaderBytes); nodeList->writeDatagram(mixedAvatarByteArray, node);
// reset the packet
mixedAvatarByteArray.resize(numPacketHeaderBytes);
}
// copy the avatar into the mixedAvatarByteArray packet
mixedAvatarByteArray.append(avatarByteArray);
} }
// copy the avatar into the mixedAvatarByteArray packet
mixedAvatarByteArray.append(avatarByteArray);
} }
} }