C++ (Cpp) entity::debug_description示例

void debug_check_entity_solidity(const level& lvl, const entity& e)
{
	if(!e.allow_level_collisions() && entity_collides_with_level(lvl, e, MOVE_NONE, NULL)) {
		const solid_info* s = e.solid();
		ASSERT_LOG(s, "ENTITY COLLIDES BUT DOES NOT HAVE SOLID");
		const frame& f = e.current_frame();
		const rect& area = s->area();

		int min_x = INT_MIN, max_x = INT_MIN, min_y = INT_MIN, max_y = INT_MIN;
		std::set<point> solid_points;

		foreach(const const_solid_map_ptr& m, s->solid()) {
			const std::vector<point>& points = m->dir(MOVE_NONE);
			foreach(const point& p, points) {
				const int x = e.x() + (e.face_right() ? p.x : (f.width() - 1 - p.x));
				const int y = e.y() + p.y;

				if(min_x == INT_MIN || x < min_x) {
					min_x = x;
				}

				if(max_x == INT_MIN || x > max_x) {
					max_x = x;
				}

				if(min_y == INT_MIN || y < min_y) {
					min_y = y;
				}

				if(max_y == INT_MIN || y > max_y) {
					max_y = y;
				}

				solid_points.insert(point(x, y));
			}
		}

		std::cerr << "COLLIDING OBJECT MAP:\n";
		for(int y = min_y - 5; y < max_y + 5; ++y) {
			for(int x = min_x - 5; x < max_x + 5; ++x) {
				const bool lvl_solid = lvl.solid(x, y, NULL);
				const bool char_solid = solid_points.count(point(x, y));
				if(lvl_solid && char_solid) {
					std::cerr << "X";
				} else if(lvl_solid) {
					std::cerr << "L";
				} else if(char_solid) {
					std::cerr << "C";
				} else {
					std::cerr << "-";
				}
			}

			std::cerr << "\n";
		}
		std::cerr << "\n";

		ASSERT_LOG(false, "ENTITY " << e.debug_description() << " COLLIDES WITH LEVEL");
	}
}