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

tests/pathing.cpp

@@ -35,3 +35,21 @@ TEST_CASE("dijkstra algo test", "[pathing]") {
     REQUIRE(pathing.$paths == expected);
   }
 }
+
+TEST_CASE("random flood", "[pathing]") {
+  json data = load_test_pathing("./tests/dijkstra.json");
+  auto test = data[0];
+
+  Matrix expected = test["expected"];
+  Matrix walls = test["walls"];
+
+  Pathing pathing(walls[0].size(), walls.size());
+  pathing.$input = test["input"];
+
+  REQUIRE(pathing.INVARIANT());
+  pathing.compute_paths(walls);
+
+  pathing.random_flood({1, 2}, [&](Point at, int dnum) {
+      println("FLOOD: at={},{}, dnum={}", at.x, at.y, dnum);
+  });
+}