overte-JulianGro/interface/src/VoxelPacketProcessor.cpp
2013-11-23 14:07:09 -08:00

65 lines
2.7 KiB
C++

//
// VoxelPacketProcessor.cpp
// interface
//
// Created by Brad Hefta-Gaub on 8/12/13.
// Copyright (c) 2013 High Fidelity, Inc. All rights reserved.
//
// Threaded or non-threaded voxel packet receiver for the Application
//
#include <PerfStat.h>
#include "Application.h"
#include "Menu.h"
#include "VoxelPacketProcessor.h"
void VoxelPacketProcessor::processPacket(sockaddr& senderAddress, unsigned char* packetData, ssize_t packetLength) {
PerformanceWarning warn(Menu::getInstance()->isOptionChecked(MenuOption::PipelineWarnings),
"VoxelPacketProcessor::processPacket()");
const int WAY_BEHIND = 300;
if (packetsToProcessCount() > WAY_BEHIND && Menu::getInstance()->isOptionChecked(MenuOption::ExtraDebugging)) {
qDebug("VoxelPacketProcessor::processPacket() packets to process=%d\n", packetsToProcessCount());
}
ssize_t messageLength = packetLength;
Application* app = Application::getInstance();
// check to see if the UI thread asked us to kill the voxel tree. since we're the only thread allowed to do that
if (app->_wantToKillLocalVoxels) {
app->_voxels.killLocalVoxels();
app->_wantToKillLocalVoxels = false;
}
// note: PACKET_TYPE_VOXEL_STATS can have PACKET_TYPE_VOXEL_DATA or PACKET_TYPE_VOXEL_DATA_MONOCHROME
// immediately following them inside the same packet. So, we process the PACKET_TYPE_VOXEL_STATS first
// then process any remaining bytes as if it was another packet
if (packetData[0] == PACKET_TYPE_VOXEL_STATS) {
int statsMessageLength = app->parseVoxelStats(packetData, messageLength, senderAddress);
if (messageLength > statsMessageLength) {
packetData += statsMessageLength;
messageLength -= statsMessageLength;
if (!packetVersionMatch(packetData)) {
return; // bail since piggyback data doesn't match our versioning
}
} else {
return; // bail since no piggyback data
}
} // fall through to piggyback message
if (Menu::getInstance()->isOptionChecked(MenuOption::Voxels)) {
Node* voxelServer = NodeList::getInstance()->nodeWithAddress(&senderAddress);
if (voxelServer && socketMatch(voxelServer->getActiveSocket(), &senderAddress)) {
if (packetData[0] == PACKET_TYPE_ENVIRONMENT_DATA) {
app->_environment.parseData(&senderAddress, packetData, messageLength);
} else {
app->_voxels.setDataSourceUUID(voxelServer->getUUID());
app->_voxels.parseData(packetData, messageLength);
app->_voxels.setDataSourceUUID(QUuid());
}
}
}
}