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SillyNerf.cpp
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SillyNerf.cpp
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// SillyNerf.cpp : Tento soubor obsahuje funkci main. Provádění programu se tam zahajuje a ukončuje.
//
#include <iostream>
#include <string>
#include <vector>
#include <filesystem>
#include <fstream>
#include <iomanip>
#include <sstream>
#include <png.h>
#define OGT_VOX_IMPLEMENTATION
#include <ogt_vox.h>
using namespace std;
std::string inputDir = "c:/prenos/SillyNerf/images/"; // zadejte cestu k adresáři, kde jsou PNG soubory
png_byte color_type;
png_byte bit_depth;
png_bytep* row_pointers = NULL;
int width;
int height;
typedef struct {
unsigned char r;
unsigned char g;
unsigned char b;
unsigned char a;
}
TColor;
typedef struct {
int width;
int height;
TColor* buffer;
}
imgInfo;
typedef struct {
TColor color;
}
Voxel;
void read_png_file(char* filename, imgInfo* img) {
FILE* fp;
fopen_s(&fp, filename, "rb");
png_structp png = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
if (!png) abort();
png_infop info = png_create_info_struct(png);
if (!info) abort();
if (setjmp(png_jmpbuf(png))) abort();
png_init_io(png, fp);
png_read_info(png, info);
width = png_get_image_width(png, info);
height = png_get_image_height(png, info);
color_type = png_get_color_type(png, info);
bit_depth = png_get_bit_depth(png, info);
// Read any color_type into 8bit depth, RGBA format.
// See http://www.libpng.org/pub/png/libpng-manual.txt
if (bit_depth == 16)
png_set_strip_16(png);
if (color_type == PNG_COLOR_TYPE_PALETTE)
png_set_palette_to_rgb(png);
// PNG_COLOR_TYPE_GRAY_ALPHA is always 8 or 16bit depth.
if (color_type == PNG_COLOR_TYPE_GRAY && bit_depth < 8)
png_set_expand_gray_1_2_4_to_8(png);
if (png_get_valid(png, info, PNG_INFO_tRNS))
png_set_tRNS_to_alpha(png);
// These color_type don't have an alpha channel then fill it with 0xff.
if (color_type == PNG_COLOR_TYPE_RGB ||
color_type == PNG_COLOR_TYPE_GRAY ||
color_type == PNG_COLOR_TYPE_PALETTE)
png_set_filler(png, 0xFF, PNG_FILLER_AFTER);
if (color_type == PNG_COLOR_TYPE_GRAY ||
color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
png_set_gray_to_rgb(png);
png_read_update_info(png, info);
//if (row_pointers) abort();
row_pointers = (png_bytep*)malloc(sizeof(png_bytep) * height);
for (int y = 0; y < height; y++) {
row_pointers[y] = (png_byte*)malloc(png_get_rowbytes(png, info));
}
png_read_image(png, row_pointers);
img->width = width;
img->height = height;
img->buffer = (TColor*)malloc(width * height * sizeof(TColor));
int index = 0;
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++)
{
TColor colTemp;
colTemp.r = row_pointers[y][x * 4 + 0];
colTemp.g = row_pointers[y][x * 4 + 1];
colTemp.b = row_pointers[y][x * 4 + 2];
colTemp.a = row_pointers[y][x * 4 + 3];
img->buffer[index] = colTemp;
index++;
}
}
for (int y = 0; y < height; y++) {
free(row_pointers[y]);
}
free(row_pointers);
fclose(fp);
png_destroy_read_struct(&png, &info, NULL);
}
typedef unsigned char Bit8u;
inline void setRGBA(png_byte* ptr, Bit8u* val)
{
ptr[0] = val[0];
ptr[1] = val[1];
ptr[2] = val[2];
ptr[3] = val[3];
}
void writeImagePNG(char* filename, int width, int height, Bit8u* buffer, char* title)
{
int code = 0;
FILE* fp = NULL;
png_structp png_ptr = NULL;
png_infop info_ptr = NULL;
png_bytep row = NULL;
// Open file for writing (binary mode)
fopen_s(&fp, filename, "wb");
if (fp == NULL) {
fprintf(stderr, "Could not open file %s for writing\n", filename);
code = 1;
goto finalise;
}
// Initialize write structure
png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
if (png_ptr == NULL) {
fprintf(stderr, "Could not allocate write struct\n");
code = 1;
goto finalise;
}
// Initialize info structure
info_ptr = png_create_info_struct(png_ptr);
if (info_ptr == NULL) {
fprintf(stderr, "Could not allocate info struct\n");
code = 1;
goto finalise;
}
// Setup Exception handling
if (setjmp(png_jmpbuf(png_ptr))) {
fprintf(stderr, "Error during png creation\n");
code = 1;
goto finalise;
}
png_init_io(png_ptr, fp);
// Write header (8 bit colour depth)
png_set_IHDR(png_ptr, info_ptr, width, height,
8, PNG_COLOR_TYPE_RGBA, PNG_INTERLACE_NONE,
PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE);
// Set title
if (title != NULL) {
png_text title_text;
title_text.compression = PNG_TEXT_COMPRESSION_NONE;
title_text.key = (png_charp)"Title";
title_text.text = title;
png_set_text(png_ptr, info_ptr, &title_text, 1);
}
png_write_info(png_ptr, info_ptr);
// Allocate memory for one row (3 bytes per pixel - RGB)
row = (png_bytep)malloc(4 * width * sizeof(png_byte));
// Write image data
int x, y;
for (y = 0; y < height; y++) {
for (x = 0; x < width; x++) {
setRGBA(&(row[x * 4]), buffer + (y * width + x) * 4);
}
png_write_row(png_ptr, row);
}
// End write
png_write_end(png_ptr, NULL);
finalise:
if (fp != NULL) fclose(fp);
if (info_ptr != NULL) png_free_data(png_ptr, info_ptr, PNG_FREE_ALL, -1);
if (png_ptr != NULL) png_destroy_write_struct(&png_ptr, (png_infopp)NULL);
if (row != NULL) free(row);
//return code;
}
void freeBuffers(std::vector<imgInfo> images) {
for (int i = 0; i < images.size(); i++) {
free(images[i].buffer);
}
};
int maxWidth = 0;
int maxHeight = 0;
int maxWidthZ = 0;
int maxWHZ = 0;
int maxHeightZ = 0;
int zoom = 1;
static unsigned int g_seed;
// Used to seed the generator.
inline void fast_srand(int seed) {
g_seed = seed;
}
// Compute a pseudorandom integer.
// Output value in range [0, 32767]
inline int fast_rand(void) {
g_seed = (214013 * g_seed + 2531011);
return (g_seed >> 16) & 0x7FFF;
}
void SetRandom(Voxel *vArray) {
for(int x=0; x < maxWidthZ; x++)
for (int y = 0; y < maxWidthZ; y++)
for (int z = 0; z < maxHeightZ; z++)
{
Voxel tempvox;
tempvox.color.a = (fast_rand() % 2) * 255;
tempvox.color.r = fast_rand() % 256;
tempvox.color.g = fast_rand() % 256;
tempvox.color.b = fast_rand() % 256;
vArray[x * maxWHZ + y * maxHeightZ + z] = tempvox;
}
};
void SetTransparent(Voxel* vArray) {
for (int x = 0; x < maxWidthZ; x++)
for (int y = 0; y < maxWidthZ; y++)
for (int z = 0; z < maxHeightZ; z++)
{
Voxel tempvox;
tempvox.color.a = 0;
tempvox.color.r = 0;
tempvox.color.g = 0;
tempvox.color.b = 0;
vArray[x * maxWHZ + y * maxHeightZ + z] = tempvox;
}
};
//NN
void AddTranspColor(vector<TColor>** vArray) {
for (int x = 0; x < maxWidthZ; x++)
for (int y = 0; y < maxWidthZ; y++)
for (int z = 0; z < maxHeightZ; z++)
{
TColor color;
color.r = 0;
color.g = 0;
color.b = 0;
color.a = 0;
bool isIncluded = false;
for (int i = 0; i < vArray[x * maxWHZ + y * maxHeightZ + z]->size(); i++)
if ((color.r == (*vArray[x * maxWHZ + y * maxHeightZ + z])[i].r) &&
(color.g == (*vArray[x * maxWHZ + y * maxHeightZ + z])[i].g) &&
(color.b == (*vArray[x * maxWHZ + y * maxHeightZ + z])[i].b) &&
(color.a == (*vArray[x * maxWHZ + y * maxHeightZ + z])[i].a))
isIncluded = true;
if (!isIncluded)vArray[x * maxWHZ + y * maxHeightZ + z]->push_back(color);
}
};
void AddCanColor(vector<TColor>** vArray, imgInfo actImage, float rotation, bool invert) {
//int imgWidth = maxWidth;
//int imgHeight = maxHeight;
//Bit8u* imgBbuffer = (Bit8u*)malloc(maxWidthZ * maxHeightZ * 4);
float s = sin(rotation * 0.0174533);
float c = cos(rotation * 0.0174533);
int minX = 0;
int maxX = maxWidthZ;
int addX = 1;
int minY = 0;
int maxY = maxWidthZ;
int addY = 1;
if (invert)
{
minX = maxWidthZ-1;
maxX = -1;
addX = -1;
minY = maxWidthZ-1;
maxY = -1;
addY = -1;
}
float tempAddCenter = ((maxWidthZ - 1) * 0.5 * zoom);
for (int x = minX; x != maxX; x += addX)
for (int y = minY; y != maxY; y += addY)
{
int newX = ((x - tempAddCenter) * c - (y - tempAddCenter) * s) + tempAddCenter + 0.01;
int newY = ((x - tempAddCenter) * s + (y - tempAddCenter) * c) + tempAddCenter + 0.01;
if ((newX < 0) || (newY < 0))
continue;
if ((newX > maxWidthZ-1) || (newY > maxWidthZ-1))
continue;
int tempIndex = newX * maxWHZ + newY * maxHeightZ;
for (int z = 0; z < maxHeightZ; z++)
{
TColor color;
color.r = actImage.buffer[x + z * maxWidthZ].r;
color.g = actImage.buffer[x + z * maxWidthZ].g;
color.b = actImage.buffer[x + z * maxWidthZ].b;
color.a = actImage.buffer[x + z * maxWidthZ].a;
if ((color.r == 0x80) && (color.g == 0x80) && (color.b == 0x80))
{
color.r = 0;
color.g = 0;
color.b = 0;
color.a = 0;
vArray[tempIndex + z]->clear();
vArray[tempIndex + z]->push_back(color);
}
else
{
bool isIncluded = false;
for (int i = 0; i < vArray[tempIndex + z]->size(); i++)
if ((color.r == (*vArray[tempIndex + z])[i].r) &&
(color.g == (*vArray[tempIndex + z])[i].g) &&
(color.b == (*vArray[tempIndex + z])[i].b) &&
(color.a == (*vArray[tempIndex + z])[i].a))
isIncluded = true;
if (!isIncluded)vArray[tempIndex + z]->push_back(color);
}
}
}
};
long Compare(Voxel* vArray, imgInfo actImage, int rotation, bool invert) {
char* filename = (char*)"test.png";
char* title = (char*)"test png";
int imgWidth = maxWidth;
int imgHeight = maxHeight;
Bit8u* imgBbuffer = (Bit8u*)malloc(maxWidthZ * maxHeightZ * 4);
for (int x = 0; x < maxWidthZ; x++)
for (int z = 0; z < maxHeightZ; z++)
{
imgBbuffer[(x + z * maxWidthZ) * 4 + 0] = 0;
imgBbuffer[(x + z * maxWidthZ) * 4 + 1] = 0;
imgBbuffer[(x + z * maxWidthZ) * 4 + 2] = 0;
imgBbuffer[(x + z * maxWidthZ) * 4 + 3] = 0;
}
float s = sin(rotation * 0.0174533);
float c = cos(rotation * 0.0174533);
int minX = 0;
int maxX = maxWidthZ;
int addX = 1;
int minY = 0;
int maxY = maxWidthZ;
int addY = 1;
float tempAddCenter = ((maxWidthZ - 1) * 0.5 * zoom);
for (int x = minX; x != maxX; x += addX)
for (int y = minY; y != maxY; y += addY)
{
int newX = ((x - tempAddCenter) * c - (y - tempAddCenter) * s) + tempAddCenter + 0.01;
int newY = ((x - tempAddCenter) * s + (y - tempAddCenter) * c) + tempAddCenter + 0.01;
if ((newX < 0) || (newY < 0))
continue;
if ((newX > maxWidthZ-1) || (newY > maxWidthZ-1))
continue;
int tempIndex = newX * maxWHZ + newY * maxHeightZ;
for (int z = 0; z < maxHeightZ; z++)
{
if (vArray[tempIndex + z].color.a == 255)
{
imgBbuffer[(x + z * maxWidthZ) * 4 + 0] = vArray[tempIndex + z].color.r;
imgBbuffer[(x + z * maxWidthZ) * 4 + 1] = vArray[tempIndex + z].color.g;
imgBbuffer[(x + z * maxWidthZ) * 4 + 2] = vArray[tempIndex + z].color.b;
imgBbuffer[(x + z * maxWidthZ) * 4 + 3] = vArray[tempIndex + z].color.a;
}
/*
imgBbuffer[(x + z * maxWidthZ) * 4 + 0] = vArray[x * maxWHZ + y * maxHeightZ + z].color.r;
imgBbuffer[(x + z * maxWidthZ) * 4 + 1] = vArray[x * maxWHZ + y * maxHeightZ + z].color.g;
imgBbuffer[(x + z * maxWidthZ) * 4 + 2] = vArray[x * maxWHZ + y * maxHeightZ + z].color.b;
imgBbuffer[(x + z * maxWidthZ) * 4 + 3] = vArray[x * maxWHZ + y * maxHeightZ + z].color.a;
*/
}
}
//createPng((char*)"test2.png", 10, 10);
//writeImagePNG(filename, maxWidthZ, maxHeightZ, imgBbuffer, title);
int diffX = maxWidth - actImage.width;
int diffY = maxHeight - actImage.height;
long diff=0;
for (int x = 0; x < maxWidthZ; x++)
for (int z=0; z< maxHeightZ; z++)
{
int imgX = (int)((x - diffX) / zoom);
int imgZ = (int)((z - diffY) / zoom);
if ((imgX < actImage.width) && (imgZ < actImage.height)&&(imgX>=0) && (imgZ >= 0))
{
diff += abs(actImage.buffer[imgX + imgZ * actImage.width].r - imgBbuffer[(x + z * maxWidthZ) * 4 + 0]);
diff += abs(actImage.buffer[imgX + imgZ * actImage.width].g - imgBbuffer[(x + z * maxWidthZ) * 4 + 1]);
diff += abs(actImage.buffer[imgX + imgZ * actImage.width].b - imgBbuffer[(x + z * maxWidthZ) * 4 + 2]);
diff += 5*abs(actImage.buffer[imgX + imgZ * actImage.width].a - imgBbuffer[(x + z * maxWidthZ) * 4 + 3]);
//imgBbuffer[(x + z * maxWidthZ) * 4 + 0] = actImage.buffer[imgX + imgZ * actImage.width].r;
//imgBbuffer[(x + z * maxWidthZ) * 4 + 1] = actImage.buffer[imgX + imgZ * actImage.width].g;
//imgBbuffer[(x + z * maxWidthZ) * 4 + 2] = actImage.buffer[imgX + imgZ * actImage.width].b;
//imgBbuffer[(x + z * maxWidthZ) * 4 + 3] = 255;
}
else
{
diff += abs(0 - imgBbuffer[(x + z * maxWidthZ) * 4 + 0]);
diff += abs(0 - imgBbuffer[(x + z * maxWidthZ) * 4 + 1]);
diff += abs(0 - imgBbuffer[(x + z * maxWidthZ) * 4 + 2]);
diff += 5*abs(0 - imgBbuffer[(x + z * maxWidthZ) * 4 + 3]);
}
}
//writeImagePNG((char*)"test2.png", maxWidthZ, maxHeightZ, imgBbuffer, title);
free(imgBbuffer);
return diff;
};
void SetImage(Voxel* vArray, imgInfo actImage, int rotation) {
int diffX = (maxWidth - actImage.width)/2;
int diffY = (maxHeight - actImage.height)/2;
for (int x = diffX; x < maxWidthZ; x++)
for (int y = 0; y < maxWidthZ; y++)
for (int z = diffY; z < maxHeightZ; z++)
{
int imgX = (int)((x- diffX) / zoom);
int imgZ = (int)((z- diffY) / zoom);
if ((imgX < actImage.width) && (imgZ < actImage.height))
{
Voxel tempvox;
tempvox.color.a = actImage.buffer[imgX + imgZ * actImage.width].a;
tempvox.color.r = actImage.buffer[imgX + imgZ * actImage.width].r;
tempvox.color.g = actImage.buffer[imgX + imgZ * actImage.width].g;
tempvox.color.b = actImage.buffer[imgX + imgZ * actImage.width].b;
/*if ((tempvox.color.r == 0x80) && (tempvox.color.g == 0x80) && (tempvox.color.b == 0x80))
{
tempvox.color.r = 0;
tempvox.color.g = 0;
tempvox.color.b = 0;
tempvox.color.a = 0;
}*/
vArray[x * maxWHZ + y * maxHeightZ + z] = tempvox;
}
}
};
void SaveImage(Voxel* vArray, int rotation, char* filename) {
//char* filename = (char*)"test.png";
char* title = (char*)"test png";
int imgWidth = maxWidth;
int imgHeight = maxHeight;
Bit8u* imgBbuffer = (Bit8u*)malloc(maxWidthZ * maxHeightZ * 4);
for (int x = 0; x != maxWidthZ; x++)
for (int y = 0; y != maxHeightZ; y++)
{
imgBbuffer[(x + y * maxWidthZ) * 4 + 0] = 0;
imgBbuffer[(x + y * maxWidthZ) * 4 + 1] = 0;
imgBbuffer[(x + y * maxWidthZ) * 4 + 2] = 0;
imgBbuffer[(x + y * maxWidthZ) * 4 + 3] = 0;
}
float s = sin(rotation * 0.0174533);
float c = cos(rotation * 0.0174533);
//createPng((char*)"test2.png", 10, 10);
/*
int minX = 0;
int maxX = maxWidthZ;
int addX = 1;
int minY = 0;
int maxY = maxWidthZ;
int addY = 1;
*/
int minX = 0;
int maxX = maxWidthZ;
int addX = 1;
int minY = 0;
int maxY = maxWidthZ;
int addY = 1;
float tempAddCenter = ((maxWidthZ-1) * 0.5 * zoom);
for (int x = minX; x != maxX; x+= addX)
for (int y = minY; y != maxY; y += addY)
{
int newX = ((x - tempAddCenter) * c - (y - tempAddCenter) * s) + tempAddCenter+0.01;
int newY = ((x - tempAddCenter) * s + (y - tempAddCenter) * c) + tempAddCenter+0.01;
if ((newX < 0) || (newY < 0))
continue;
if ((newX > maxWidthZ-1) || (newY > maxWidthZ-1))
continue;
for (int z = 0; z < maxHeightZ; z++)
{
if (vArray[newX * maxWHZ + newY * maxHeightZ + z].color.a == 255)
{
imgBbuffer[(x + z * maxWidthZ) * 4 + 0] = vArray[newX * maxWHZ + newY * maxHeightZ + z].color.r;
imgBbuffer[(x + z * maxWidthZ) * 4 + 1] = vArray[newX * maxWHZ + newY * maxHeightZ + z].color.g;
imgBbuffer[(x + z * maxWidthZ) * 4 + 2] = vArray[newX * maxWHZ + newY * maxHeightZ + z].color.b;
imgBbuffer[(x + z * maxWidthZ) * 4 + 3] = vArray[newX * maxWHZ + newY * maxHeightZ + z].color.a;
}
/*
imgBbuffer[(x + z * maxWidthZ) * 4 + 0] = vArray[x * maxWHZ + y * maxHeightZ + z].color.r;
imgBbuffer[(x + z * maxWidthZ) * 4 + 1] = vArray[x * maxWHZ + y * maxHeightZ + z].color.g;
imgBbuffer[(x + z * maxWidthZ) * 4 + 2] = vArray[x * maxWHZ + y * maxHeightZ + z].color.b;
imgBbuffer[(x + z * maxWidthZ) * 4 + 3] = vArray[x * maxWHZ + y * maxHeightZ + z].color.a;
*/
}
}
//createPng((char*)"test2.png", 10, 10);
writeImagePNG(filename, maxWidthZ, maxHeightZ, imgBbuffer, title);
free(imgBbuffer);
};
void RandomMutage(Voxel* vArray, vector<TColor>** canColorArray) {
{
int x = fast_rand() % maxWidthZ;
int y = fast_rand() % maxWidthZ;
int z = fast_rand() % maxHeightZ;
int color = fast_rand() % canColorArray[x * maxWHZ + y * maxHeightZ + z]->size();
TColor randcolor = (*canColorArray[x * maxWHZ + y * maxHeightZ + z])[color];
vArray[x * maxWHZ + y * maxHeightZ + z].color = randcolor;
}
/*else
{
int xMin = fast_rand() % ((int)(maxWidthZ / size));
int yMin = fast_rand() % ((int)(maxWidthZ / size));
int zMin = fast_rand() % ((int)(maxHeightZ / size));
int color = fast_rand() % 4;
int step = (fast_rand() % 2) ? 1 : -1;
for (int x = xMin* size; x < (xMin+1) * size; x++)
for (int y = yMin * size; y < (yMin + 1) * size; y++)
for (int z = zMin * size; z < (zMin + 1) * size; z++)
{
TColor oldColor = vArray[x * maxWHZ + y * maxHeightZ + z].color;
switch (color)
{
case 0:
oldColor.r += step;
break;
case 1:
oldColor.g += step;
break;
case 2:
oldColor.b += step;
break;
case 3:
oldColor.a += step;
break;
}
vArray[x * maxWHZ + y * maxHeightZ + z].color = oldColor;
}
}*/
};
void CopyArray(Voxel* vArray, Voxel* vArray2) {
memcpy(vArray2, vArray, sizeof(Voxel) * maxWidthZ * maxWidthZ * maxHeightZ);
/*for (int x = 0; x < maxWidthZ; x++)
for (int y = 0; y < maxWidthZ; y++)
for (int z = 0; z < maxHeightZ; z++)
{
vArray2[x * maxWHZ + y * maxHeightZ + z] = vArray[x * maxWHZ + y * maxHeightZ + z];
}*/
}
struct Voxel2 {
uint8_t r, g, b, a;
};
void save_vox_scene(const char* pcFilename, const ogt_vox_scene* scene)
{
// save the scene back out.
uint32_t buffersize = 0;
uint8_t* buffer = ogt_vox_write_scene(scene, &buffersize);
if (!buffer)
return;
// open the file for write
#if defined(_MSC_VER) && _MSC_VER >= 1400
FILE* fp;
if (0 != fopen_s(&fp, pcFilename, "wb"))
fp = 0;
#else
FILE* fp = fopen(pcFilename, "wb");
#endif
if (!fp) {
ogt_vox_free(buffer);
return;
}
fwrite(buffer, buffersize, 1, fp);
fclose(fp);
ogt_vox_free(buffer);
}
/*
#include <cstdint>
#include <fstream>
#include <vector>
#pragma pack(push, 1)
struct VoxHeader {
char id[4];
int32_t version;
};
struct ChunkHeader {
char id[4];
int32_t contentSize;
int32_t childrenSize;
};
struct SizeChunk {
int32_t x;
int32_t y;
int32_t z;
};
struct Voxel {
uint8_t x;
uint8_t y;
uint8_t z;
uint8_t i;
};
#pragma pack(pop)
int main() {
const int32_t size = 3;
std::vector<Voxel> voxels;
for (uint8_t x = 0; x < size; ++x) {
for (uint8_t y = 0; y < size; ++y) {
for (uint8_t z = 0; z < size; ++z) {
voxels.push_back({x, y, z, 1});
}
}
}
std::vector<uint32_t> palette = {0x00FFFFFF, 0xFF0000FF, 0x00FF00FF, 0x0000FFFF,
0xFFFF00FF, 0xFF00FFFF, 0x00FFFFFF, 0xFFFFFFFF};
VoxHeader header = {'V', 'O', 'X', ' ', 150};
ChunkHeader mainChunk = {'M', 'A', 'I', 'N', 0, 40 + (int32_t)voxels.size() * 4};
ChunkHeader sizeChunk = {'S', 'I', 'Z', 'E', 12, 0};
SizeChunk dimensions = {size, size, size};
ChunkHeader xyzChunk = {'X', 'Y', 'Z', 'I', (int32_t)voxels.size() * 4, 0};
ChunkHeader rgbaChunk = {'R', 'G', 'B', 'A', 256 * 4, 0};
std::ofstream file("cube.vox", std::ios::binary);
file.write(reinterpret_cast<const char*>(&header), sizeof(header));
file.write(reinterpret_cast<const char*>(&mainChunk), sizeof(mainChunk));
file.write(reinterpret_cast<const char*>(&sizeChunk), sizeof(sizeChunk));
file.write(reinterpret_cast<const char*>(&dimensions), sizeof(dimensions));
file.write(reinterpret_cast<const char*>(&xyzChunk), sizeof(xyzChunk));
file.write(reinterpret_cast<const char*>(voxels.data()), voxels.size() * sizeof(Voxel));
file.write(reinterpret_cast<const char*>(&rgbaChunk), sizeof(rgbaChunk));
file.write(reinterpret_cast<const char*>(palette.data()), palette.size() * sizeof(uint32_t));
file.close();
return 0;
}
*/
#pragma pack(push, 1)
struct VoxHeader {
char id[4];
int32_t version;
};
struct ChunkHeader {
char id[4];
int32_t contentSize;
int32_t childrenSize;
};
struct SizeChunk {
int32_t x;
int32_t y;
int32_t z;
};
struct Voxel3 {
uint8_t x;
uint8_t y;
uint8_t z;
uint8_t i;
};
struct Voxel4 {
uint8_t r;
uint8_t g;
uint8_t b;
};
#pragma pack(pop)
const ogt_vox_scene* load_vox_scene(const char* filename, uint32_t scene_read_flags = 0)
{
// open the file
#if defined(_MSC_VER) && _MSC_VER >= 1400
FILE* fp;
if (0 != fopen_s(&fp, filename, "rb"))
fp = 0;
#else
FILE* fp = fopen(filename, "rb");
#endif
if (!fp)
return NULL;
// get the buffer size which matches the size of the file
fseek(fp, 0, SEEK_END);
uint32_t buffer_size = ftell(fp);
fseek(fp, 0, SEEK_SET);
// load the file into a memory buffer
uint8_t* buffer = new uint8_t[buffer_size];
fread(buffer, buffer_size, 1, fp);
fclose(fp);
// construct the scene from the buffer
const ogt_vox_scene* scene = ogt_vox_read_scene_with_flags(buffer, buffer_size, scene_read_flags);
// the buffer can be safely deleted once the scene is instantiated.
delete[] buffer;
return scene;
}
void toUpperCase(std::string& str)
{
std::transform(str.begin(), str.end(), str.begin(), ::toupper);
}
std::string rgbToHexString(int r, int g, int b)
{
std::stringstream stream;
stream << std::setfill('0') << std::setw(2) << std::hex << r
<< std::setw(2) << std::hex << g << std::setw(2) << std::hex << b;
string output = stream.str();
toUpperCase(output);
return output;
}
std::string rgbaToHexString(int r, int g, int b, int a)
{
std::stringstream stream;
stream << "#" << std::setfill('0') << std::setw(2) << std::hex << r
<< std::setw(2) << std::hex << g << std::setw(2) << std::hex << b
<< std::setw(2) << std::hex << a;
string output = stream.str();
toUpperCase(output);
return output;
}
void SaveVox6(Voxel* vArray)
{
/*
# Goxel 0.10.8
# One line per voxel
# X Y Z RRGGBB
-16 -16 0 ffffff
*/
std::ofstream file("cube.text", std::ios::binary);
file << "# Goxel 0.10.8" << endl;
file << "# One line per voxel" << endl;
file << "# X Y Z RRGGBB" << endl;
for (int x = 0; x < maxWidthZ; x++)
for (int y = 0; y < maxWidthZ; y++)
for (int z = 0; z < maxHeightZ; z++)
{
if (vArray[x * maxWHZ + y * maxHeightZ + z].color.a > 64)
{
file << x << " " << y << " " << z << " ";
file << rgbToHexString(vArray[x * maxWHZ + y * maxHeightZ + z].color.r,
vArray[x * maxWHZ + y * maxHeightZ + z].color.g,
vArray[x * maxWHZ + y * maxHeightZ + z].color.b) << endl;
}
}
file.close();
}
void SaveVox5(Voxel* vArray)
{
const int32_t sizex = maxWidthZ;
const int32_t sizey = maxHeightZ;
const int32_t sizez = maxWidthZ;
std::vector<Voxel4> voxels;
for (uint8_t x = 0; x < maxWidthZ; ++x) {
for (uint8_t z = 0; z < maxHeightZ; ++z) {
for (uint8_t y = 0; y < maxWidthZ; ++y) {
uint8_t r = vArray[x * maxWHZ + y * maxHeightZ + z].color.r;
uint8_t g = vArray[x * maxWHZ + y * maxHeightZ + z].color.g;
uint8_t b = vArray[x * maxWHZ + y * maxHeightZ + z].color.b;
uint8_t a = vArray[x * maxWHZ + y * maxHeightZ + z].color.a;
if ((r == 0) && (g == 0) && (b = 0))
{
r = 1;
g = 1;
b = 1;
}
if (a == 0)
{
r = 0;
g = 0;
b = 0;
}
voxels.push_back({ r, g, b});
}
}
}
SizeChunk dimensions = { sizex, sizey, sizez };
std::ofstream file("cube.cub", std::ios::binary);
file.write(reinterpret_cast<const char*>(&dimensions), sizeof(dimensions));
file.write(reinterpret_cast<const char*>(voxels.data()), voxels.size() * sizeof(Voxel4));
file.close();
}
void SaveVox4(Voxel* vArray)
{
std::ofstream file("cube.csv", std::ios::binary);
file << maxWidthZ;
file << ",";
file << maxWidthZ;
file << ",";
file << maxHeightZ;
file << endl;
//file.write(reinterpret_cast<const char*>(&maxWidthZ), sizeof(header));
for (int y = 0; y < maxWidthZ; y++)
{
for (int z = 0; z < maxHeightZ; z++)
{
for (int x = 0; x < maxWidthZ; x++)
{
file << rgbaToHexString(
vArray[x * maxWHZ + y * maxHeightZ + z].color.r,
vArray[x * maxWHZ + y * maxHeightZ + z].color.g,
vArray[x * maxWHZ + y * maxHeightZ + z].color.b,
vArray[x * maxWHZ + y * maxHeightZ + z].color.a);
if (x < maxWidthZ - 1)
file << ",";
}
file << endl;
}
file << endl;
}
file.close();
}
void SaveVox3(Voxel* vArray)
{
const int32_t sizex = maxWidthZ;
const int32_t sizey = maxHeightZ;
const int32_t sizez = maxWidthZ;
std::vector<Voxel3> voxels;
for (uint8_t x = 0; x < maxWidthZ; ++x) {
for (uint8_t z = 0; z < maxHeightZ; ++z) {
for (uint8_t y = 0; y < maxWidthZ; ++y) {
voxels.push_back({ x, y, z, 1/*vArray[x * maxWHZ + y * maxHeightZ + z].color.r*/});
}
}
}
std::vector<uint32_t> palette = { 0x00FFFFFF, 0xFF0000FF, 0x00FF00FF, 0x0000FFFF,
0xFFFF00FF, 0xFF00FFFF, 0x00FFFFFF, 0xFFFFFFFF };
VoxHeader header = { 'V', 'O', 'X', ' ', 150 };
ChunkHeader mainChunk = { 'M', 'A', 'I', 'N', 0, 0x58a/* 40 + (int32_t)voxels.size() * 4*/ };
ChunkHeader sizeChunk = { 'S', 'I', 'Z', 'E', 12, 0 };
SizeChunk dimensions = { sizex, sizey, sizez };
ChunkHeader xyzChunk = { 'X', 'Y', 'Z', 'I', (int32_t)voxels.size() * 4, 0 };
int32_t nextSize = (int32_t)(voxels.size() - 1);
ChunkHeader rgbaChunk = { 'R', 'G', 'B', 'A', 256 * 4, 0 };
std::ofstream file("cube.vox", std::ios::binary);
file.write(reinterpret_cast<const char*>(&header), sizeof(header));
file.write(reinterpret_cast<const char*>(&mainChunk), sizeof(mainChunk));
file.write(reinterpret_cast<const char*>(&sizeChunk), sizeof(sizeChunk));
file.write(reinterpret_cast<const char*>(&dimensions), sizeof(dimensions));
file.write(reinterpret_cast<const char*>(&xyzChunk), sizeof(xyzChunk));
file.write(reinterpret_cast<const char*>(&nextSize), sizeof(int32_t));
file.write(reinterpret_cast<const char*>(voxels.data()), voxels.size() * sizeof(Voxel3));
file.write(reinterpret_cast<const char*>(&rgbaChunk), sizeof(rgbaChunk));
file.write(reinterpret_cast<const char*>(palette.data()), palette.size() * sizeof(uint32_t));
file.close();
uint32_t scene_read_flags = 0;
const ogt_vox_scene* testsc = load_vox_scene("cube.vox", scene_read_flags);
save_vox_scene("cube2.vox", testsc);
}
void SaveVox2(Voxel* vArray)
{
ogt_vox_scene vox_scene;
ogt_vox_palette palette;
ogt_vox_model scmodel;
ogt_vox_model* scmodelar[1];
//vox_scene->palette = palette;
scmodel.size_x = 5;
scmodel.size_y = 5;
scmodel.size_z = 5;
scmodel.voxel_data = (uint8_t*)malloc(5*5*5*4);
scmodelar[0] = &scmodel;
vox_scene.models = (const ogt_vox_model**) & scmodelar[0];
vox_scene.num_groups = 1;
save_vox_scene("merged.vox", &vox_scene);
ogt_vox_destroy_scene(&vox_scene);
}
void SaveVox(Voxel* vArray) {
using namespace std;
Voxel2* voxels =(Voxel2*)malloc(sizeof(Voxel2)*maxWidthZ * maxWidthZ * maxHeightZ);
int index = 0;
for (int x = 0; x < maxWidthZ; x++)
for (int y = 0; y < maxWidthZ; y++)
for (int z = 0; z < maxHeightZ; z++)
{
voxels[index].r = vArray[x * maxWHZ + y * maxHeightZ + z].color.r; // nastavení barvy voxelu na červenou
voxels[index].g = vArray[x * maxWHZ + y * maxHeightZ + z].color.g;
voxels[index].b = vArray[x * maxWHZ + y * maxHeightZ + z].color.b;
voxels[index].a = vArray[x * maxWHZ + y * maxHeightZ + z].color.a;
index++;
}
// Otevření souboru pro zápis binárních dat
ofstream outfile("cube.vox", ios::binary);
// Hlavička souboru
outfile.write("VOX ", 4); // magic number
uint32_t version = 0x58e4; // verze formátu VOX
outfile.write(reinterpret_cast<char*>(&version), 4);