/**
* Convert milliseconds to a character string
* @arg msec number of milliseconds
* @arg buf destination buffer
* @arg len buffer length
*
* Converts milliseconds to a character string split up in days, hours,
* minutes, seconds, and milliseconds and stores it in the specified
* destination buffer.
*
* @return The destination buffer.
*/
char * nl_msec2str(uint64_t msec, char *buf, size_t len)
{
int i, split[5];
char *units[] = {"d", "h", "m", "s", "msec"};
#define _SPLIT(idx, unit) if ((split[idx] = msec / unit) > 0) msec %= unit
_SPLIT(0, 86400000); /* days */
_SPLIT(1, 3600000); /* hours */
_SPLIT(2, 60000); /* minutes */
_SPLIT(3, 1000); /* seconds */
#undef _SPLIT
split[4] = msec;
memset(buf, 0, len);
for (i = 0; i < ARRAY_SIZE(split); i++) {
if (split[i] > 0) {
char t[64];
snprintf(t, sizeof(t), "%s%d%s",
strlen(buf) ? " " : "", split[i], units[i]);
strncat(buf, t, len - strlen(buf) - 1);
}
}
return buf;
}
/**
* Convert milliseconds to a character string
* @arg msec number of milliseconds
* @arg buf destination buffer
* @arg len buffer length
*
* Converts milliseconds to a character string split up in days, hours,
* minutes, seconds, and milliseconds and stores it in the specified
* destination buffer.
*
* @return The destination buffer.
*/
char * nl_msec2str(uint64_t msec, char *buf, size_t len)
{
uint64_t split[5];
size_t i;
static const char *units[5] = {"d", "h", "m", "s", "msec"};
char * const buf_orig = buf;
#define _SPLIT(idx, unit) if ((split[idx] = msec / unit)) msec %= unit
_SPLIT(0, 86400000); /* days */
_SPLIT(1, 3600000); /* hours */
_SPLIT(2, 60000); /* minutes */
_SPLIT(3, 1000); /* seconds */
#undef _SPLIT
split[4] = msec;
if (msec == 0) {
snprintf(buf, len, "0msec");
return buf_orig;
}
for (i = 0; i < ARRAY_SIZE(split) && len; i++) {
int l;
if (split[i] == 0)
continue;
l = snprintf(buf, len, "%s%" PRIu64 "%s",
(buf==buf_orig) ? "" : " ", split[i], units[i]);
buf += l;
len -= l;
}
return buf_orig;
}
static inline void _plot_face(uint8_t*** p_cell_status,int x,int y,int z,int len_x,int len_y,int len_z,const Vector3& voxelsize,const Face3& p_face) {
AABB aabb( Vector3(x,y,z),Vector3(len_x,len_y,len_z));
aabb.pos=aabb.pos*voxelsize;
aabb.size=aabb.size*voxelsize;
if (!p_face.intersects_aabb(aabb))
return;
if (len_x==1 && len_y==1 && len_z==1) {
p_cell_status[x][y][z]=_CELL_SOLID;
return;
}
int div_x=len_x>1?2:1;
int div_y=len_y>1?2:1;
int div_z=len_z>1?2:1;
#define _SPLIT(m_i,m_div,m_v,m_len_v,m_new_v,m_new_len_v)\
if (m_div==1) {\
m_new_v=m_v;\
m_new_len_v=1; \
} else if (m_i==0) {\
m_new_v=m_v;\
m_new_len_v=m_len_v/2;\
} else {\
m_new_v=m_v+m_len_v/2;\
m_new_len_v=m_len_v-m_len_v/2; \
}
int new_x;
int new_len_x;
int new_y;
int new_len_y;
int new_z;
int new_len_z;
for (int i=0;i<div_x;i++) {
_SPLIT(i,div_x,x,len_x,new_x,new_len_x);
for (int j=0;j<div_y;j++) {
_SPLIT(j,div_y,y,len_y,new_y,new_len_y);
for (int k=0;k<div_z;k++) {
_SPLIT(k,div_z,z,len_z,new_z,new_len_z);
_plot_face(p_cell_status,new_x,new_y,new_z,new_len_x,new_len_y,new_len_z,voxelsize,p_face);
}
}
}
}
