From 219f454e6ce73feec61e8d5619d39b48a898b2a7 Mon Sep 17 00:00:00 2001
From: Thomas Lindner <tom@dl6tom.de>
Date: Sat, 21 May 2022 10:31:55 +0200
Subject: [PATCH] disable field limits

---
 src/main.cc | 18 ++++--------------
 1 file changed, 4 insertions(+), 14 deletions(-)

diff --git a/src/main.cc b/src/main.cc
index 44c49ea..4d62a63 100644
--- a/src/main.cc
+++ b/src/main.cc
@@ -55,7 +55,6 @@ class Bot {
   int x, y;
   bool up, right, down, left;
   std::map<std::pair<int, int>, unsigned> known_map;
-  int field_width, field_height;
 
   asio::awaitable<void> Protocol();
   asio::awaitable<void> Join();
@@ -201,23 +200,19 @@ unsigned Bot::ShortestPath(int x, int y) {
     if (visited.count(position)) {
       continue;
     }
-    if (!(known_map[position] & static_cast<unsigned>(Direction::LEFT)) &&
-        position.first > 0) {
+    if (!(known_map[position] & static_cast<unsigned>(Direction::LEFT))) {
       auto pos = std::make_pair(position.first - 1, position.second);
       queue.emplace(distance + 1 + AStarHeuristic(pos), pos);
     }
-    if (!(known_map[position] & static_cast<unsigned>(Direction::RIGHT)) &&
-        position.first < field_width) {
+    if (!(known_map[position] & static_cast<unsigned>(Direction::RIGHT))) {
       auto pos = std::make_pair(position.first + 1, position.second);
       queue.emplace(distance + 1 + AStarHeuristic(pos), pos);
     }
-    if (!(known_map[position] & static_cast<unsigned>(Direction::UP)) &&
-        position.second > 0) {
+    if (!(known_map[position] & static_cast<unsigned>(Direction::UP))) {
       auto pos = std::make_pair(position.first, position.second - 1);
       queue.emplace(distance + 1 + AStarHeuristic(pos), pos);
     }
-    if (!(known_map[position] & static_cast<unsigned>(Direction::DOWN)) &&
-        position.second < field_height) {
+    if (!(known_map[position] & static_cast<unsigned>(Direction::DOWN))) {
       auto pos = std::make_pair(position.first, position.second + 1);
       queue.emplace(distance + 1 + AStarHeuristic(pos), pos);
     }
@@ -228,11 +223,6 @@ unsigned Bot::ShortestPath(int x, int y) {
 }
 
 asio::awaitable<void> Bot::ChooseMove() {
-  if (known_map.empty()) {
-    field_width = x;
-    field_height = y;
-  }
-
   // update map
   known_map[std::make_pair(x, y)] =
       (up ? static_cast<unsigned>(Direction::UP) : 0) |