From 8713d03831226dcd559c6a1e2b1c7b0d7c660bac Mon Sep 17 00:00:00 2001
From: Star Rauchenberger <fefferburbia@gmail.com>
Date: Wed, 16 Mar 2022 11:53:46 -0400
Subject: added signs (which can't be read yet)

---
 src/direction.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'src/direction.h')

diff --git a/src/direction.h b/src/direction.h
index 0fe3e5a..14ea0a5 100644
--- a/src/direction.h
+++ b/src/direction.h
@@ -3,6 +3,9 @@
 
 #include <string_view>
 #include <stdexcept>
+#include <tuple>
+
+using coord = std::tuple<int, int>;
 
 enum class Direction {
   up,
@@ -19,4 +22,13 @@ inline Direction directionFromString(std::string_view str) {
   throw std::invalid_argument("Invalid direction: " + std::string(str));
 }
 
+inline coord coordInDirection(int x, int y, Direction dir) {
+  switch (dir) {
+    case Direction::up: return {x, y-1};
+    case Direction::down: return {x, y+1};
+    case Direction::left: return {x-1, y};
+    case Direction::right: return {x+1, y};
+  }
+}
+
 #endif /* end of include guard: DIRECTION_H_42BDAFB9 */
-- 
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