refactor: move directions to vector2 & make vector2 hashable

1 files changed, 37 insertions, 0 deletions

diff --git a/src/engine/data/vector2.cpp b/src/engine/data/vector2.cpp
index 6dcd7d6..c182fba 100644
--- a/src/engine/data/vector2.cpp
+++ b/src/engine/data/vector2.cpp
@@ -1,5 +1,7 @@
 #include "vector2.hpp"
 
+#include "util/hash.hpp"
+
 Vector2::Vector2(const Vector2Options &options) : _x(options.x), _y(options.y) {}
 
 int32_t Vector2::get_x() const noexcept
@@ -37,3 +39,38 @@ const Vector2 &Vector2::operator-=(const Vector2 &vector2) noexcept
 
 	return *this;
 }
+
+bool Vector2::operator==(const Vector2 &vector2) const noexcept
+{
+	return _x == vector2._x && _y == vector2._y;
+}
+
+Vector2 Vector2::up()
+{
+	return Vector2({.x = 0, .y = 1});
+}
+
+Vector2 Vector2::down()
+{
+	return Vector2({.x = 0, .y = -1});
+}
+
+Vector2 Vector2::left()
+{
+	return Vector2({.x = -1, .y = 0});
+}
+
+Vector2 Vector2::right()
+{
+	return Vector2({.x = 1, .y = 0});
+}
+
+std::size_t Vector2Hasher::operator()(const Vector2 &vector2) const
+{
+	std::size_t result_hash = 0;
+
+	hash_combine(result_hash, vector2.get_x());
+	hash_combine(result_hash, vector2.get_y());
+
+	return result_hash;
+}