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starting to add PACKET_TYPE_VOXEL_JURISDICTION

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This commit is contained in:
ZappoMan 2013-08-15 10:44:43 -07:00
parent ced61e94d8
commit c157aad775
3 changed files with 79 additions and 0 deletions
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1
libraries/shared/src/PacketHeaders.h
View file

@ -38,6 +38,7 @@ const PACKET_TYPE PACKET_TYPE_DOMAIN_REPORT_FOR_DUTY = 'C';
const PACKET_TYPE PACKET_TYPE_REQUEST_ASSIGNMENT = 'r';
const PACKET_TYPE PACKET_TYPE_SEND_ASSIGNMENT = 's';
const PACKET_TYPE PACKET_TYPE_VOXEL_STATS = '#';
const PACKET_TYPE PACKET_TYPE_VOXEL_JURISDICTION = 'J';
typedef char PACKET_VERSION;

75
libraries/voxels/src/JurisdictionMap.cpp
View file

@ -10,6 +10,8 @@
#include <QtCore/QString>
#include <QtCore/QStringList>
#include <PacketHeaders.h>
#include "JurisdictionMap.h"
#include "VoxelNode.h"
@ -206,3 +208,76 @@ bool JurisdictionMap::writeToFile(const char* filename) {
settings.endGroup();
return true;
}
int JurisdictionMap::packIntoMessage(unsigned char* destinationBuffer, int availableBytes) {
unsigned char* bufferStart = destinationBuffer;
int headerLength = populateTypeAndVersion(destinationBuffer, PACKET_TYPE_VOXEL_JURISDICTION);
destinationBuffer += headerLength;
// add the root jurisdiction
if (_rootOctalCode) {
// copy the
int bytes = bytesRequiredForCodeLength(numberOfThreeBitSectionsInCode(_rootOctalCode));
memcpy(destinationBuffer, &bytes, sizeof(bytes));
destinationBuffer += sizeof(bytes);
memcpy(destinationBuffer, _rootOctalCode, bytes);
destinationBuffer += bytes;
// if and only if there's a root jurisdiction, also include the end nodes
int endNodeCount = _endNodes.size();
memcpy(destinationBuffer, &endNodeCount, sizeof(endNodeCount));
destinationBuffer += sizeof(endNodeCount);
for (int i=0; i < endNodeCount; i++) {
unsigned char* endNodeCode = _endNodes[i];
int bytes = bytesRequiredForCodeLength(numberOfThreeBitSectionsInCode(endNodeCode));
memcpy(destinationBuffer, &bytes, sizeof(bytes));
destinationBuffer += sizeof(bytes);
memcpy(destinationBuffer, endNodeCode, bytes);
destinationBuffer += bytes;
}
} else {
int bytes = 0;
memcpy(destinationBuffer, &bytes, sizeof(bytes));
destinationBuffer += sizeof(bytes);
}
return destinationBuffer - bufferStart; // includes header!
}
int JurisdictionMap::unpackFromMessage(unsigned char* sourceBuffer, int availableBytes) {
clear();
unsigned char* startPosition = sourceBuffer;
// increment to push past the packet header
int numBytesPacketHeader = numBytesForPacketHeader(sourceBuffer);
sourceBuffer += numBytesPacketHeader;
// read the root jurisdiction
int bytes = 0;
memcpy(&bytes, sourceBuffer, sizeof(bytes));
sourceBuffer += sizeof(bytes);
if (bytes > 0) {
_rootOctalCode = new unsigned char[bytes];
memcpy(_rootOctalCode, sourceBuffer, bytes);
sourceBuffer += bytes;
// if and only if there's a root jurisdiction, also include the end nodes
int endNodeCount = 0;
memcpy(&endNodeCount, sourceBuffer, sizeof(endNodeCount));
sourceBuffer += sizeof(endNodeCount);
for (int i=0; i < endNodeCount; i++) {
int bytes = 0;
memcpy(&bytes, sourceBuffer, sizeof(bytes));
sourceBuffer += sizeof(bytes);
unsigned char* endNodeCode = new unsigned char[bytes];
memcpy(endNodeCode, sourceBuffer, bytes);
sourceBuffer += bytes;
_endNodes.push_back(endNodeCode);
}
}
return sourceBuffer - startPosition; // includes header!
}

3
libraries/voxels/src/JurisdictionMap.h
View file

@ -49,6 +49,9 @@ public:
int getEndNodeCount() const { return _endNodes.size(); }
void copyContents(unsigned char* rootCodeIn, const std::vector<unsigned char*> endNodesIn);
int unpackFromMessage(unsigned char* sourceBuffer, int availableBytes);
int packIntoMessage(unsigned char* destinationBuffer, int availableBytes);
private:
void copyContents(const JurisdictionMap& other); // use assignment instead