Fixed a long standing bug I didn't realize where I did -1 on the map in the raycaster which made the textures not actually work.

raycaster.cpp

@@ -304,7 +304,7 @@ void Raycaster::cast_rays() {
     int draw_end = line_height / 2 + $height / 2 + $pitch;
     if(draw_end >= $height) draw_end = $height - 1;
 
-    auto texture = textures::get_surface($map[map_y][map_x] - 1);
+    auto texture = textures::get_surface($map[map_y][map_x]);
 
     // calculate value of wall_x
     double wall_x;  // where exactly the wall was hit