khanat-opennel-code/code/nel/tools/3d/get_neighbors/main.cpp

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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
void nameToXY(const char *str, int &x, int &y)
{
if (strchr(str, '_') == NULL)
{
fprintf(stderr, "invalid zone name %s\n", str);
abort();
}
x = 0;
y = 0;
while (*str != '_')
y = y*10 + *(str++)-'0';
y--;
++str;
x = (toupper(str[0])-'A')*26+(toupper(str[1])-'A');
}
void XYToName(int x, int y, char *str)
{
sprintf(str,"%d_%c%c ", y+1, 'A'+x/26, 'A'+x%26);
}
int main(int argc, char **argv)
{
if (argc != 2)
{
fprintf(stderr, "invalid usage\n");
abort();
}
char dump[128];
char output[256];
output[0] = '\0';
int x, y;
nameToXY(argv[1], x, y);
int i, j;
for (i=-1; i<=1; ++i)
{
for (j=-1; j<=1; ++j)
{
XYToName(x+i, y+j, dump);
strcat(output, dump);
}
}
fprintf(stdout, "%s", output);
return 0;
}