From c0e8d2bf6e5b0f3aff23ab26902bf2d4930e25a2 Mon Sep 17 00:00:00 2001
From: epoch <epoch@hacking.allowed.org>
Date: Sun, 23 Feb 2020 23:52:22 -0600
Subject: cleaned up dun2hackvr.c a bunch, added some comments. only draw half
 of the doorjam rectangles now because I noticed I could get away with just
 making them twice as big.

---
 share/hackvr/examples/dungen/dun2hackvr.c | 46 ++++++++++---------------------
 1 file changed, 14 insertions(+), 32 deletions(-)

(limited to 'share/hackvr/examples/dungen')

diff --git a/share/hackvr/examples/dungen/dun2hackvr.c b/share/hackvr/examples/dungen/dun2hackvr.c
index 3d40a70..a7cd517 100644
--- a/share/hackvr/examples/dungen/dun2hackvr.c
+++ b/share/hackvr/examples/dungen/dun2hackvr.c
@@ -24,51 +24,33 @@ void print_field() {
     }
     //we need to draw the room here.
     //each room will be... 16x16? sure....
-    //we can use bitmasks to find with sides of the room need to be whole walls
+    //we can use bitmasks to find which sides of the room need to be whole walls
     //and which will contain passages to the next rooms
-    //whole walls are a single rectangle that goes from z0 to z... 8 I guess
-    //we need to loop over each wall and check if it has a passage through it now
+    //whole walls are a single rectangle
+    //we need to loop over each wall and check if it has a passage through it
     if(field[i]) {
-      for(d=0;d<4;d++) {
+      for(d=0;d<4;d++) {//loop over the 4 possible directions/walls
         if((field[i] & (1<<(3-d))) > 0) {//if this has an exit in this bit...
           printf("wall_%d_%d addshape 2 4  -7 0 7  -7 8 7  -2 8 7  -2 0 7\n",i,d);//we need 4 parts for the doorway
           printf("wall_%d_%d addshape 2 4  2 0 7  2 8 7  7 8 7  7 0 7\n",i,d);
-          printf("wall_%d_%d addshape 2 4  -2 0 7  -2 8 7  -2 8 8  -2 0 8\n",i,d);
-          printf("wall_%d_%d addshape 2 4  2 0 8  2 8 8  2 8 7  2 0 7\n",i,d);
-        } else {
+          if(d % 2) {//only do the south and west doorjams. every door has an opposite door that matches it anyway
+            printf("wall_%d_%d addshape 2 4  -2 0 7  -2 8 7  -2 8 9  -2 0 9\n",i,d);
+            printf("wall_%d_%d addshape 2 4  2 0 9  2 8 9  2 8 7  2 0 7\n",i,d);
+          }
+        } else {//no door in this wall
           printf("wall_%d_%d addshape 2 4  -7 0 7  -7 8 7  7 8 7  7 0 7\n",i,d);//solid wall
         }
-        printf("wall_%d_%d rotate 0 %d 0\n",i,d,deg[d]);
-        printf("wall_%d_%d move %d 0 %d\n",i,d, (i%16) * 16 - (7 * 16),-(i/16) * 16 + (16));
+        printf("wall_%d_%d rotate 0 %d 0\n",i,d,deg[d]);//rotate this wall into position
+        printf("wall_%d_%d move %d 0 %d\n",i,d, (i%16) * 16 - (7 * 16),-(i/16) * 16 + (16));//and put it in the right spot ofc
       }
     }
   }
-  
 }
 
 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) {
+  if(read(0,field,sizeof(field)) > 0)
     print_field();
-    break;
-    //sleep(1);
+    return 0;
   }
-  return 0;
+  return 1;
 }
-- 
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