3 files changed, 58 insertions, 40 deletions

diff --git a/share/hackvr/examples/dungen/Makefile b/share/hackvr/examples/dungen/Makefile
index 4420649..20e1a90 100644
--- a/share/hackvr/examples/dungen/Makefile
+++ b/share/hackvr/examples/dungen/Makefile
@@ -1 +1,11 @@
+.PHONY: all clean
+
+all: dungen dun2ascii
+
+clean:
+	rm -f dungen
+	rm -f dun2ascii
+
 dungen: dungen.c
+
+dun2ascii: dun2ascii.c
diff --git a/share/hackvr/examples/dungen/dun2ascii.c b/share/hackvr/examples/dungen/dun2ascii.c
new file mode 100644
index 0000000..d7a9996
--- /dev/null
+++ b/share/hackvr/examples/dungen/dun2ascii.c
@@ -0,0 +1,46 @@
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+//nsew
+char *a[16];
+
+char field[256];
+
+void print_field() {
+  int i;
+  fprintf(stderr,"\x1b[H");
+  for(i=0;i<(16*strlen(a[field[0]]))+1;i++) fprintf(stderr,"#");
+  for(i=0;i<256;i++) {
+    if(i%16 == 0) fprintf(stderr,"#\n#");
+    fprintf(stderr,"%s",a[field[i]]);
+  }
+  fprintf(stderr,"#\n");
+  for(i=0;i<(16*strlen(a[field[0]]))+2;i++) fprintf(stderr,"#");
+  fprintf(stderr,"\n");
+}
+
+int main(int argc,char *argv[]) {
+  int i;
+  fprintf(stderr,"\x1b[H\x1b[2J");
+  a[0x0]="   ";
+  a[0x1]="-  ";
+  a[0x2]="  -";
+  a[0x3]="---";
+  a[0x4]=" . ";
+  a[0x5]="-. ";
+  a[0x6]=" .-";
+  a[0x7]="-.-";
+  a[0x8]=" ' ";
+  a[0x9]="-' ";
+  a[0xa]=" '-";
+  a[0xb]="-'-";
+  a[0xc]=" | ";
+  a[0xd]="-| ";
+  a[0xe]=" |-";
+  a[0xf]="-|-";
+  while(read(0,field,sizeof(field)) > 0) {
+    print_field();
+    sleep(1);
+  }
+}
diff --git a/share/hackvr/examples/dungen/dungen.c b/share/hackvr/examples/dungen/dungen.c
index 47a1f46..b38f076 100644
--- a/share/hackvr/examples/dungen/dungen.c
+++ b/share/hackvr/examples/dungen/dungen.c
@@ -6,25 +6,9 @@
 
 #define ITERATIONS 16
 
-//nsew
-char *a[16];
-
 char field[256];
 char nfield[256];
 
-void print_field() {
-  int i;
-  fprintf(stderr,"\x1b[H");
-  for(i=0;i<(16*strlen(a[field[0]]))+1;i++) fprintf(stderr,"#");
-  for(i=0;i<256;i++) {
-    if(i%16 == 0) fprintf(stderr,"#\n#");
-    fprintf(stderr,"%s",a[field[i]]);
-  }
-  fprintf(stderr,"#\n");
-  for(i=0;i<(16*strlen(a[field[0]]))+2;i++) fprintf(stderr,"#");
-  fprintf(stderr,"\n");
-}
-
 void prune() {//remove paths into wall
   int i;
   memcpy(nfield,field,256);//make a copy just for comparison
@@ -56,9 +40,7 @@ void grow() {
 
 void dump() {
   int i;
-  for(i=0;i<256;i++) {
-    printf("%c",field[i]);
-  }
+  write(1,field,sizeof(field));
 }
 
 int main(int argc,char *argv[]) {
@@ -67,33 +49,13 @@ int main(int argc,char *argv[]) {
   if(argc > 1) {
     seed=atoi(argv[1]);
   }
-  fprintf(stderr,"\x1b[H\x1b[2J");
   srandom(seed);
-  a[0x0]="   ";
-  a[0x1]="-  ";
-  a[0x2]="  -";
-  a[0x3]="---";
-  a[0x4]=" . ";
-  a[0x5]="-. ";
-  a[0x6]=" .-";
-  a[0x7]="-.-";
-  a[0x8]=" ' ";
-  a[0x9]="-' ";
-  a[0xa]=" '-";
-  a[0xb]="-'-";
-  a[0xc]=" | ";
-  a[0xd]="-| ";
-  a[0xe]=" |-";
-  a[0xf]="-|-";
-
   field[7+16] = 0x4;//center top
   for(i=0;i<ITERATIONS;i++) {
-    print_field();
-//    sleep(1);
+    if(argc > 2) dump();
     grow();
   }
   prune();
-  print_field();
   dump();
   fprintf(stderr,"seed: %d\n",seed);
 }