fixed the map generator doing paths that hit the edge which made it look like the map was out of bounds.

lights.cpp

@@ -8,9 +8,6 @@ namespace lighting {
   void LightRender::render_square_light(LightSource source, Point at, PointList &has_light) {
     for(matrix::in_box it{$lightmap, at.x, at.y, (size_t)floor(source.radius)}; it.next();) {
       if($paths.$paths[it.y][it.x] != WALL_PATH_LIMIT) {
-        if(it.x == at.x && it.y == at.y) {
-          println("distance at center: {}", it.distance());
-        }
         $lightmap[it.y][it.x] = light_level(source.strength, it.distance(), it.x, it.y);
         has_light.push_back({it.x, it.y});
       }

map.cpp

@@ -180,3 +180,22 @@ bool Map::INVARIANT() {
 void Map::load_tiles() {
   $tiles.load($walls);
 }
+
+void Map::expand() {
+  // adjust width first
+  for(auto &row : $walls) {
+    row.insert(row.begin(), WALL_VALUE);
+    row.push_back(WALL_VALUE);
+  }
+  $width = matrix::width($walls);
+
+  // then add two new rows top/bottom of that new width
+  $walls.insert($walls.begin(), matrix::Row($width, WALL_VALUE));
+  $walls.push_back(matrix::Row($width, WALL_VALUE));
+  // now we have the new height
+  $height = matrix::height($walls);
+
+  // reset the pathing and tiles and done
+  $paths = Pathing($width, $height);
+  $tiles = TileMap($width, $height);
+}

map.hpp

@@ -67,6 +67,8 @@ public:
   Point map_to_camera(const Point &loc, const Point &cam_orig);
   Point center_camera(const Point &around, size_t view_x, size_t view_y);
 
+  void expand();
+
   void dump(int show_x=-1, int show_y=-1);
   bool INVARIANT();
 

tests/worldbuilder.cpp

@@ -23,7 +23,6 @@ TEST_CASE("pathing", "[builder]") {
   matrix::dump("WALLS", map.$walls, 0,0);
   println("wall at 0,0=={}", map.$walls[0][0]);
 
-
   for(matrix::each_cell it{map.$walls}; it.next();) {
     if(map.$walls[it.y][it.x] == WALL_VALUE) {
       REQUIRE(map.iswall(it.x, it.y) == true);

worldbuilder.cpp

@@ -152,6 +152,7 @@ void WorldBuilder::generate() {
     $map.$walls[it.y][it.x] = is_wall;
   }
 
+  $map.expand();
   $map.load_tiles();
 
   std::array<string, 6> room_types{
@@ -164,6 +165,7 @@ void WorldBuilder::generate() {
     int room_size = Random::uniform<int>(100, 800);
     stylize_room(i, room_types[room_type], room_size * 0.01f);
   }
+
 }
 
 void WorldBuilder::make_room(size_t origin_x, size_t origin_y, size_t w, size_t h) {