From bbaf90d6e59875b93fd802dafcd096036bbd8bbd Mon Sep 17 00:00:00 2001
From: Horror Proton <107091537+horror-proton@users.noreply.github.com>
Date: Thu, 21 Jul 2022 11:11:39 +0800
Subject: [PATCH] feat: add binary operators and argumented assignment
 operators for `asst::Point`

---
 src/MeoAssistant/AsstTypes.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/MeoAssistant/AsstTypes.h b/src/MeoAssistant/AsstTypes.h
index 1087420a63..a15a13f811 100644
--- a/src/MeoAssistant/AsstTypes.h
+++ b/src/MeoAssistant/AsstTypes.h
@@ -44,6 +44,16 @@ namespace asst
         static constexpr Point up() { return Point(0, -1); }
         int x = 0;
         int y = 0;
+
+#define DEFINE_ASST_POINT_BINARY_OP_AND_ARG_ASSIGN(Op) \
+friend Point operator Op (const Point& lhs, const Point& rhs) { return {lhs.x Op rhs.x, lhs.y Op rhs.y}; } \
+friend Point& operator Op##= (Point& val, const Point& opd) { val.x Op##= opd.x; val.y Op##= opd.y; return val; }
+
+        DEFINE_ASST_POINT_BINARY_OP_AND_ARG_ASSIGN(+)
+        DEFINE_ASST_POINT_BINARY_OP_AND_ARG_ASSIGN(-)
+        DEFINE_ASST_POINT_BINARY_OP_AND_ARG_ASSIGN(*)
+
+#undef DEFINE_ASST_POINT_BINARY_OP_AND_ARG_ASSIGN
     };
 
     struct Rect