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adding OctreeHeadlessViewer::queryOctree()

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This commit is contained in:
ZappoMan 2014-02-26 01:55:04 -08:00
parent 7a2419a5bd
commit dee9d48b5f
2 changed files with 197 additions and 0 deletions
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180
libraries/octree/src/OctreeHeadlessViewer.cpp
View file

@ -7,6 +7,8 @@
//
//
#include <NodeList.h>
#include "OctreeHeadlessViewer.h"
OctreeHeadlessViewer::OctreeHeadlessViewer() :
@ -21,3 +23,181 @@ void OctreeHeadlessViewer::init() {
setViewFrustum(&_viewFrustum);
}
void OctreeHeadlessViewer::queryOctree() {
NodeType_t serverType = getMyNodeType();
PacketType packetType = getMyQueryMessageType();
NodeToJurisdictionMap& jurisdictions = *_jurisdictionListener->getJurisdictions();
bool wantExtraDebugging = false;
// These will be the same for all servers, so we can set them up once and then reuse for each server we send to.
_octreeQuery.setWantLowResMoving(true);
_octreeQuery.setWantColor(true);
_octreeQuery.setWantDelta(true);
_octreeQuery.setWantOcclusionCulling(false);
_octreeQuery.setWantCompression(true); // TODO: should be on by default
_octreeQuery.setCameraPosition(_viewFrustum.getPosition());
_octreeQuery.setCameraOrientation(_viewFrustum.getOrientation());
_octreeQuery.setCameraFov(_viewFrustum.getFieldOfView());
_octreeQuery.setCameraAspectRatio(_viewFrustum.getAspectRatio());
_octreeQuery.setCameraNearClip(_viewFrustum.getNearClip());
_octreeQuery.setCameraFarClip(_viewFrustum.getFarClip());
_octreeQuery.setCameraEyeOffsetPosition(_viewFrustum.getEyeOffsetPosition());
_octreeQuery.setOctreeSizeScale(getVoxelSizeScale());
_octreeQuery.setBoundaryLevelAdjust(getBoundaryLevelAdjust());
unsigned char queryPacket[MAX_PACKET_SIZE];
// Iterate all of the nodes, and get a count of how many voxel servers we have...
int totalServers = 0;
int inViewServers = 0;
int unknownJurisdictionServers = 0;
foreach (const SharedNodePointer& node, NodeList::getInstance()->getNodeHash()) {
// only send to the NodeTypes that are serverType
if (node->getActiveSocket() != NULL && node->getType() == serverType) {
totalServers++;
// get the server bounds for this server
QUuid nodeUUID = node->getUUID();
// if we haven't heard from this voxel server, go ahead and send it a query, so we
// can get the jurisdiction...
if (jurisdictions.find(nodeUUID) == jurisdictions.end()) {
unknownJurisdictionServers++;
} else {
const JurisdictionMap& map = (jurisdictions)[nodeUUID];
unsigned char* rootCode = map.getRootOctalCode();
if (rootCode) {
VoxelPositionSize rootDetails;
voxelDetailsForCode(rootCode, rootDetails);
AABox serverBounds(glm::vec3(rootDetails.x, rootDetails.y, rootDetails.z), rootDetails.s);
serverBounds.scale(TREE_SCALE);
ViewFrustum::location serverFrustumLocation = _viewFrustum.boxInFrustum(serverBounds);
if (serverFrustumLocation != ViewFrustum::OUTSIDE) {
inViewServers++;
}
}
}
}
}
if (wantExtraDebugging && unknownJurisdictionServers > 0) {
qDebug("Servers: total %d, in view %d, unknown jurisdiction %d",
totalServers, inViewServers, unknownJurisdictionServers);
}
int perServerPPS = 0;
const int SMALL_BUDGET = 10;
int perUnknownServer = SMALL_BUDGET;
int totalPPS = getMaxPacketsPerSecond();
// determine PPS based on number of servers
if (inViewServers >= 1) {
// set our preferred PPS to be exactly evenly divided among all of the voxel servers... and allocate 1 PPS
// for each unknown jurisdiction server
perServerPPS = (totalPPS / inViewServers) - (unknownJurisdictionServers * perUnknownServer);
} else {
if (unknownJurisdictionServers > 0) {
perUnknownServer = (totalPPS / unknownJurisdictionServers);
}
}
if (wantExtraDebugging && unknownJurisdictionServers > 0) {
qDebug("perServerPPS: %d perUnknownServer: %d", perServerPPS, perUnknownServer);
}
NodeList* nodeList = NodeList::getInstance();
foreach (const SharedNodePointer& node, nodeList->getNodeHash()) {
// only send to the NodeTypes that are serverType
if (node->getActiveSocket() != NULL && node->getType() == serverType) {
// get the server bounds for this server
QUuid nodeUUID = node->getUUID();
bool inView = false;
bool unknownView = false;
// if we haven't heard from this voxel server, go ahead and send it a query, so we
// can get the jurisdiction...
if (jurisdictions.find(nodeUUID) == jurisdictions.end()) {
unknownView = true; // assume it's in view
if (wantExtraDebugging) {
qDebug() << "no known jurisdiction for node " << *node << ", assume it's visible.";
}
} else {
const JurisdictionMap& map = (jurisdictions)[nodeUUID];
unsigned char* rootCode = map.getRootOctalCode();
if (rootCode) {
VoxelPositionSize rootDetails;
voxelDetailsForCode(rootCode, rootDetails);
AABox serverBounds(glm::vec3(rootDetails.x, rootDetails.y, rootDetails.z), rootDetails.s);
serverBounds.scale(TREE_SCALE);
ViewFrustum::location serverFrustumLocation = _viewFrustum.boxInFrustum(serverBounds);
if (serverFrustumLocation != ViewFrustum::OUTSIDE) {
inView = true;
} else {
inView = false;
}
} else {
if (wantExtraDebugging) {
qDebug() << "Jurisdiction without RootCode for node " << *node << ". That's unusual!";
}
}
}
if (inView) {
_octreeQuery.setMaxOctreePacketsPerSecond(perServerPPS);
} else if (unknownView) {
if (wantExtraDebugging) {
qDebug() << "no known jurisdiction for node " << *node << ", give it budget of "
<< perUnknownServer << " to send us jurisdiction.";
}
// set the query's position/orientation to be degenerate in a manner that will get the scene quickly
// If there's only one server, then don't do this, and just let the normal voxel query pass through
// as expected... this way, we will actually get a valid scene if there is one to be seen
if (totalServers > 1) {
_octreeQuery.setCameraPosition(glm::vec3(-0.1,-0.1,-0.1));
const glm::quat OFF_IN_NEGATIVE_SPACE = glm::quat(-0.5, 0, -0.5, 1.0);
_octreeQuery.setCameraOrientation(OFF_IN_NEGATIVE_SPACE);
_octreeQuery.setCameraNearClip(0.1f);
_octreeQuery.setCameraFarClip(0.1f);
if (wantExtraDebugging) {
qDebug() << "Using 'minimal' camera position for node" << *node;
}
} else {
if (wantExtraDebugging) {
qDebug() << "Using regular camera position for node" << *node;
}
}
_octreeQuery.setMaxOctreePacketsPerSecond(perUnknownServer);
} else {
_octreeQuery.setMaxOctreePacketsPerSecond(0);
}
// set up the packet for sending...
unsigned char* endOfQueryPacket = queryPacket;
// insert packet type/version and node UUID
endOfQueryPacket += populatePacketHeader(reinterpret_cast<char*>(endOfQueryPacket), packetType);
// encode the query data...
endOfQueryPacket += _octreeQuery.getBroadcastData(endOfQueryPacket);
int packetLength = endOfQueryPacket - queryPacket;
// make sure we still have an active socket
nodeList->writeDatagram(reinterpret_cast<const char*>(queryPacket), packetLength, node);
}
}
}

17
libraries/octree/src/OctreeHeadlessViewer.h
View file

@ -12,7 +12,9 @@
#include <PacketHeaders.h>
#include <SharedUtil.h>
#include "JurisdictionListener.h"
#include "Octree.h"
#include "OctreeQuery.h"
#include "OctreeRenderer.h"
#include "Octree.h"
#include "ViewFrustum.h"
@ -27,8 +29,23 @@ public:
virtual void init();
virtual void render() { /* swallow these */ };
void setJurisdictionListener(JurisdictionListener* jurisdictionListener) { _jurisdictionListener = jurisdictionListener; }
void queryOctree();
void setVoxelSizeScale(float sizeScale);
float getVoxelSizeScale() const { return _voxelSizeScale; }
void setBoundaryLevelAdjust(int boundaryLevelAdjust);
int getBoundaryLevelAdjust() const { return _boundaryLevelAdjust; }
int getMaxPacketsPerSecond() const { return _maxTotalPPS; }
private:
ViewFrustum _viewFrustum;
JurisdictionListener* _jurisdictionListener;
OctreeQuery _octreeQuery;
float _voxelSizeScale;
int _boundaryLevelAdjust;
int _maxTotalPPS;
};
#endif /* defined(__hifi__OctreeHeadlessViewer__) */