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A random dungeon generator that fits on a business card
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#include <time.h> // Robert Nystrom | |
#include <stdio.h> // @munificentbob | |
#include <stdlib.h> // for Ginny | |
#define r return // 2008-2019 | |
#define l(a, b, c, d) for (i y=a;y\ | |
<b; y++) for (int x = c; x < d; x++) | |
typedef int i;const i H=40;const i W | |
=80;i m[40][80];i g(i x){r rand()%x; | |
}void cave(i s){i w=g(10)+5;i h=g(6) | |
+3;i t=g(W-w-2)+1;i u=g(H-h-2)+1;l(u | |
-1,u+h+2,t-1 ,t+w+2)if(m[ | |
y][x]=='.' )r;i d=0 | |
;i e,f ;if(!s){l( u-1,u+ | |
h+2,t- 1,t+w+2){i s=x<t ||x>t | |
+w;i t=y<u|| y> u+h; | |
if(s ^t&& m[ y] | |
[x ]=='#' ){d++; if(g (d | |
) ==0) e=x,f=y; }}if (d | |
== 0)r; }l(u-1,u +h+2 ,t | |
-1 ,t+w +2){i s= x< t || | |
x> t+w; i t= y<u ||y> u+ | |
h; m[y] [x]= s &&t? '!' | |
:s^t ?'#' :'.' | |
;}if (d>0)m [f][ | |
e]=g(2 )?'\'':'+';for(i j=0;j<(s? | |
1:g(6) +1);j++)m[g(h)+u][g(w) | |
+t]=s?'@' :g(4) ==0? | |
'$':65+g(62) ;}i main(i | |
argc, const char* argv[]) {srand((i) | |
time(NULL));l(0, H, 0,W)m[y][x]=' '; | |
for(i j=0;j<1000;j++)cave(j==0);l(0, | |
H,0,W) {i c=m[y][x]; putchar(c=='!'? | |
'#':c);if(x==W-1)printf("\n");}r 0;} |
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