overte/libraries/voxels/src/VoxelTree.h

71 lines
2.6 KiB
C++

//
// VoxelTree.h
// hifi
//
// Created by Stephen Birarda on 3/13/13.
// Copyright (c) 2013 High Fidelity, Inc. All rights reserved.
//
#ifndef __hifi__VoxelTree__
#define __hifi__VoxelTree__
#include "SimpleMovingAverage.h"
#include "VoxelNode.h"
#include "MarkerNode.h"
const int MAX_VOXEL_PACKET_SIZE = 1492;
const int MAX_TREE_SLICE_BYTES = 26;
const int TREE_SCALE = 10;
// Callback function, for recuseTreeWithOperation
typedef bool (*RecurseVoxelTreeOperation)(VoxelNode* node, bool down, void* extraData);
class VoxelTree {
public:
// when a voxel is created in the tree (object new'd)
long voxelsCreated;
// when a voxel is colored/set in the tree (object may have already existed)
long voxelsColored;
long voxelsBytesRead;
SimpleMovingAverage voxelsCreatedStats;
SimpleMovingAverage voxelsColoredStats;
SimpleMovingAverage voxelsBytesReadStats;
VoxelTree();
~VoxelTree();
VoxelNode *rootNode;
int leavesWrittenToBitstream;
void eraseAllVoxels();
void processRemoveVoxelBitstream(unsigned char * bitstream, int bufferSizeBytes);
void readBitstreamToTree(unsigned char * bitstream, int bufferSizeBytes);
void readCodeColorBufferToTree(unsigned char *codeColorBuffer);
void deleteVoxelCodeFromTree(unsigned char *codeBuffer);
void printTreeForDebugging(VoxelNode *startNode);
void reaverageVoxelColors(VoxelNode *startNode);
unsigned char * loadBitstreamBuffer(unsigned char *& bitstreamBuffer,
VoxelNode *currentVoxelNode,
MarkerNode *currentMarkerNode,
float * agentPosition,
float thisNodePosition[3],
unsigned char * octalCode = NULL);
void loadVoxelsFile(const char* fileName, bool wantColorRandomizer);
void createSphere(float r,float xc, float yc, float zc, float s, bool solid, bool wantColorRandomizer);
void recurseTreeWithOperation(RecurseVoxelTreeOperation operation, void* extraData=NULL);
private:
void recurseNodeWithOperation(VoxelNode* node,RecurseVoxelTreeOperation operation, void* extraData);
VoxelNode * nodeForOctalCode(VoxelNode *ancestorNode, unsigned char * needleCode, VoxelNode** parentOfFoundNode);
VoxelNode * createMissingNode(VoxelNode *lastParentNode, unsigned char *deepestCodeToCreate);
int readNodeData(VoxelNode *destinationNode, unsigned char * nodeData, int bufferSizeBytes);
};
int boundaryDistanceForRenderLevel(unsigned int renderLevel);
#endif /* defined(__hifi__VoxelTree__) */