From 77f6b15e2c697fd0fb31ff3c4c70a57aedf5b17d Mon Sep 17 00:00:00 2001
From: Jonathan <30329245+CookStar@users.noreply.github.com>
Date: Sat, 22 Feb 2020 16:25:55 +0900
Subject: [PATCH 1/3] Added VectorAngles to mathlib.

Reference: https://developer.valvesoftware.com/wiki/AngleVectors()
---
 src/core/modules/mathlib/mathlib_wrap.cpp | 6 ++++++
 1 file changed, 6 insertions(+)
 mode change 100644 => 100755 src/core/modules/mathlib/mathlib_wrap.cpp

diff --git a/src/core/modules/mathlib/mathlib_wrap.cpp b/src/core/modules/mathlib/mathlib_wrap.cpp
old mode 100644
new mode 100755
index 45a5b9f93..10a81772b
--- a/src/core/modules/mathlib/mathlib_wrap.cpp
+++ b/src/core/modules/mathlib/mathlib_wrap.cpp
@@ -211,6 +211,12 @@ void export_vector(scope _mathlib)
 			"Returns True if the vector is within the given box coordinates."
 		)
 
+		.def("get_vector_angles",
+			GET_FUNCTION(void, VectorAngles, const Vector &, QAngle &),
+			"Forward direction vector -> Euler angles",
+			arg("angles")
+		)
+
 		.def("get_distance",
 			&Vector::DistTo,
 			args("other"),

From 2be52a71180a3b53373adcaf053074f217554206 Mon Sep 17 00:00:00 2001
From: Jonathan <30329245+CookStar@users.noreply.github.com>
Date: Mon, 24 Feb 2020 11:47:57 +0900
Subject: [PATCH 2/3] Added VectorAngles and VectorVectors.

---
 src/core/modules/mathlib/mathlib_wrap.cpp | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/src/core/modules/mathlib/mathlib_wrap.cpp b/src/core/modules/mathlib/mathlib_wrap.cpp
index 10a81772b..07b31c7b4 100755
--- a/src/core/modules/mathlib/mathlib_wrap.cpp
+++ b/src/core/modules/mathlib/mathlib_wrap.cpp
@@ -211,10 +211,21 @@ void export_vector(scope _mathlib)
 			"Returns True if the vector is within the given box coordinates."
 		)
 
+		.def("get_vector_vectors",
+			&VectorVectors,
+			(arg("right"), arg("up"))
+		)
+
 		.def("get_vector_angles",
 			GET_FUNCTION(void, VectorAngles, const Vector &, QAngle &),
-			"Forward direction vector -> Euler angles",
-			arg("angles")
+			arg("angles"),
+			"Forward direction vector -> Euler angles."
+		)
+
+		.def("get_vector_angles",
+			GET_FUNCTION(void, VectorAngles, const Vector &, const Vector &, QAngle &),
+			(arg("pseudoup"), arg("angles")),
+			"Forward direction vector with a reference up vector -> Euler angles."
 		)
 
 		.def("get_distance",

From 49ad3d87adaf8a4afa6b79d09421a043721b2988 Mon Sep 17 00:00:00 2001
From: Jonathan <30329245+CookStar@users.noreply.github.com>
Date: Tue, 25 Feb 2020 07:14:13 +0900
Subject: [PATCH 3/3] Added unary negative operation to Vector.

---
 src/core/modules/mathlib/mathlib.h        | 6 ++++++
 src/core/modules/mathlib/mathlib_wrap.cpp | 2 ++
 2 files changed, 8 insertions(+)
 mode change 100644 => 100755 src/core/modules/mathlib/mathlib.h

diff --git a/src/core/modules/mathlib/mathlib.h b/src/core/modules/mathlib/mathlib.h
old mode 100644
new mode 100755
index c83b7a536..c2cac3d89
--- a/src/core/modules/mathlib/mathlib.h
+++ b/src/core/modules/mathlib/mathlib.h
@@ -94,6 +94,12 @@ class VectorExt
 		vecCopy -= val;
 		return vecCopy;
 	}
+
+	static inline Vector __neg__(Vector vecCopy)
+	{
+		vecCopy.Negate();
+		return vecCopy;
+	}
 };
 
 
diff --git a/src/core/modules/mathlib/mathlib_wrap.cpp b/src/core/modules/mathlib/mathlib_wrap.cpp
index 07b31c7b4..5628ccdeb 100755
--- a/src/core/modules/mathlib/mathlib_wrap.cpp
+++ b/src/core/modules/mathlib/mathlib_wrap.cpp
@@ -158,6 +158,8 @@ void export_vector(scope _mathlib)
 		.def("__radd__", &VectorExt::__add__)
 		.def(float() * self)
 
+		.def("__neg__", &VectorExt::__neg__)
+
 		.def("negate",
 			&Vector::Negate,
 			"Negates the vector."