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VoxWriter.h
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VoxWriter.h
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// Copyright 2018 Stephane Cuillerdier @Aiekick
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without
// limitation the rights to use, copy, modify, merge, publish, distribute,
// sublicense, and/or sell copies of the Software, and to permit persons to
// whom the Software is furnished to do so, subject to the following conditions:
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
// This File is a helper for write a vox file after 0.99 release to support
// the world mode editor
// just add all color with the color Index with AddColor
// And add all voxels with the method AddVoxel with the voxel in world position, and finally save the model
// that's all, the file was initially created for my Proecedural soft
// "SdfMesher" cf :https://twitter.com/hashtag/sdfmesher?src=hash
// it support just my needs for the moment, but i put here because its a basis for more i thinck
#ifndef __VOX_WRITER_H__
#define __VOX_WRITER_H__
#include "cTools.h"
#include <stdint.h>
#include <string>
#include <map>
#include <vector>
namespace vox
{
inline uint32_t GetMVID(uint8_t a, uint8_t b, uint8_t c, uint8_t d)
{
return (a) | (b << 8) | (c << 16) | (d << 24);
}
struct DICTstring
{
int32_t bufferSize;
std::string buffer;
DICTstring();
void write(FILE *fp);
size_t getSize();
};
struct DICTitem
{
DICTstring key;
DICTstring value;
DICTitem();
DICTitem(std::string vKey, std::string vValue);
void write(FILE *fp);
size_t getSize();
};
struct DICT
{
int32_t count;
std::vector<DICTitem> keys;
DICT();
void write(FILE *fp);
size_t getSize();
void Add(std::string vKey, std::string vValue);
};
struct nTRN
{
int32_t nodeId;
DICT nodeAttribs;
int32_t childNodeId;
int32_t reservedId;
int32_t layerId;
int32_t numFrames;
std::vector<DICT> frames;
nTRN(int32_t countFrames);
void write(FILE *fp);
size_t getSize();
};
struct nGRP
{
int32_t nodeId;
DICT nodeAttribs;
int32_t nodeChildrenNodes;
std::vector<int32_t> childNodes;
nGRP(int32_t vCount);
void write(FILE *fp);
size_t getSize();
};
struct MODEL
{
int32_t modelId;
DICT modelAttribs;
MODEL();
void write(FILE *fp);
size_t getSize();
};
struct nSHP
{
int32_t nodeId;
DICT nodeAttribs;
int32_t numModels;
std::vector<MODEL> models;
nSHP(int32_t vCount);
void write(FILE *fp);
size_t getSize();
};
struct LAYR
{
int32_t nodeId;
DICT nodeAttribs;
int32_t reservedId;
LAYR();
void write(FILE *fp);
size_t getSize();
};
struct SIZE
{
int32_t sizex;
int32_t sizey;
int32_t sizez;
SIZE();
void write(FILE *fp);
size_t getSize();
};
struct XYZI
{
int32_t numVoxels;
std::vector<uint8_t> voxels;
XYZI();
void write(FILE *fp);
size_t getSize();
};
struct RGBA
{
int32_t colors[256];
RGBA();
void write(FILE *fp);
size_t getSize();
};
struct VoxCube
{
int id;
// size
SIZE size;
// translate
int tx;
int ty;
int tz;
XYZI xyzi;
VoxCube();
void write(FILE *fp);
};
class VoxWriter
{
public:
static VoxWriter* Create(std::string vFilePathName, int vLimitX, int vLimitY, int vLimitZ, int *vError);
static std::string GetErrnoMsg(int vError);
private:
int MV_VERSION;
int ID_VOX;
int ID_PACK;
int ID_MAIN;
int ID_SIZE;
int ID_XYZI;
int ID_RGBA;
int ID_NTRN;
int ID_NGRP;
int ID_NSHP;
int m_LimitX;
int m_LimitY;
int m_LimitZ;
FILE * m_File;
ct::AABBCC<float> maxVolume;
std::vector<uint32_t> colors;
std::vector<VoxCube> cubes;
int maxCubeId;
int minCubeX;
int minCubeY;
int minCubeZ;
// int maxCubeX;
// int maxCubeY;
// int maxCubeZ;
std::map<int, std::map<int, std::map<int, int>>> cubesId;
std::map<int, std::map<int, std::map<int, int>>> voxelId;
int lastError;
public:
VoxWriter(int vLimitX, int vLimitY, int vLimitZ);
~VoxWriter();
int IsOk(std::string vFilePathName);
void ClearVoxels();
void ClearColors();
void AddColor(uint8_t r, uint8_t g, uint8_t b, uint8_t a, uint8_t index);
void AddVoxel(uint32_t vX, uint32_t vY, uint32_t vZ, uint8_t vColorIndex);
void SaveToFile(std::string vFilePathName);
private:
uint32_t GetID(uint8_t a, uint8_t b, uint8_t c, uint8_t d);
bool OpenFileForWriting(std::string vFilePathName);
void CloseFile();
long GetFilePos();
void SetFilePos(long vPos);
int GetCubeId(int vX, int vY, int vZ);
VoxCube* GetCube(int vX, int vY, int vZ);
void MergeVoxelInCube(uint32_t vX, uint32_t vY, uint32_t vZ, uint32_t vColorIndex, VoxCube *vCube);
};
}
#endif //__VOX_WRITER_H__