Started working on a random flood function for paths to do things like fill rooms with stuff.

pathing.cpp

@@ -76,6 +76,23 @@ void Pathing::clear_target(const Point &at) {
   $input[at.y][at.x] = 1;
 }
 
+void Pathing::random_flood(const Point from, std::function<void(Point at, int dnum)> cb) {
+  int from_x = from.x;
+  int from_y = from.y;
+  int dnum = $paths[from.y][from.x];
+  cb(from, dnum);
+
+  for(int y = from_y - 1; y <= from_y + 1; y++) {
+    if(y < 0 || y >= int($height)) continue;
+    for(int x = from_x - 1; x <= from_x + 1; x++) {
+      if(x >= 0 && x <= int($width)) {
+        dnum = $paths[y][x];
+        cb({size_t(x), size_t(y)}, dnum);
+      }
+    }
+  }
+}
+
 bool Pathing::INVARIANT() {
   using dbc::check;