- int tile_x, tile_y;
- // First, let's say the badguy moves 32 units in the
- // direction it's heading, so do some voodoo maths magic
- // to determine its future position.
- Vector pos;
- if (dir == LEFT)
- pos = Vector(bbox.p1.x - 32.f, bbox.p2.y);
- else
- pos = Vector(bbox.p2.x, bbox.p2.y);
-
- // Now, snap the badguy's X coordinate to the 32x32/cell grid.
- if (dir == LEFT) // use the ceiling
- tile_x = (int)ceilf(pos.x/32.0f);
- else // use the floor
- tile_x = (int)floorf(pos.x/32.0f);
-
- // We might be falling down, so use the ceiling to round upward and
- // get the lower position. (Positive Y goes downward.)
- tile_y = (int)ceilf(pos.y/32.0f);
-
-#if defined(DEBUG_STAY_ON_PLATFORM)
- // Draw!
- GameSession::current()->context->draw_filled_rect(Vector(tile_x*32.0f, tile_y*32.0f), Vector(32.f, 32.f), Color(1.f, 0.f, 0.f), 999);
-#endif
-
- // Now, if the badguy intersects with a tile, he won't fall off.
- // If he doesn't intersect, he probably will.
- // Note that the tile's Y coordinate is offset by +1 from the object's Y.
- if (Sector::current()->solids->get_tile(tile_x, tile_y)->getAttributes() & FLAG_SOLID)
- {
- // It's a solid tile. Good.
- return false;