From 4a36d64f15f898854bb8a76be86ac9a8c536b291 Mon Sep 17 00:00:00 2001
From: aap <aap@papnet.eu>
Date: Wed, 10 Jul 2019 17:18:26 +0200
Subject: added wrappers around math functions

---
 src/math/Matrix.h     | 24 ++++++++++++------------
 src/math/Quaternion.h |  2 +-
 src/math/Vector.h     |  6 +++---
 src/math/Vector2D.h   |  2 +-
 src/math/math.cpp     |  6 +++---
 src/math/maths.h      | 12 ++++++++++++
 6 files changed, 32 insertions(+), 20 deletions(-)
 create mode 100644 src/math/maths.h

(limited to 'src/math')

diff --git a/src/math/Matrix.h b/src/math/Matrix.h
index b7d6c207..2c0108c1 100644
--- a/src/math/Matrix.h
+++ b/src/math/Matrix.h
@@ -127,8 +127,8 @@ public:
 	}
 
 	void SetRotateXOnly(float angle){
-		float c = cos(angle);
-		float s = sin(angle);
+		float c = Cos(angle);
+		float s = Sin(angle);
 
 		m_matrix.right.x = 1.0f;
 		m_matrix.right.y = 0.0f;
@@ -149,8 +149,8 @@ public:
 		m_matrix.pos.z = 0.0f;
 	}
 	void SetRotateYOnly(float angle){
-		float c = cos(angle);
-		float s = sin(angle);
+		float c = Cos(angle);
+		float s = Sin(angle);
 
 		m_matrix.right.x = c;
 		m_matrix.right.y = 0.0f;
@@ -171,8 +171,8 @@ public:
 		m_matrix.pos.z = 0.0f;
 	}
 	void SetRotateZOnly(float angle){
-		float c = cos(angle);
-		float s = sin(angle);
+		float c = Cos(angle);
+		float s = Sin(angle);
 
 		m_matrix.right.x = c;
 		m_matrix.right.y = s;
@@ -193,12 +193,12 @@ public:
 		m_matrix.pos.z = 0.0f;
 	}
 	void SetRotate(float xAngle, float yAngle, float zAngle) {
-		float cX = cos(xAngle);
-		float sX = sin(xAngle);
-		float cY = cos(yAngle);
-		float sY = sin(yAngle);
-		float cZ = cos(zAngle);
-		float sZ = sin(zAngle);
+		float cX = Cos(xAngle);
+		float sX = Sin(xAngle);
+		float cY = Cos(yAngle);
+		float sY = Sin(yAngle);
+		float cZ = Cos(zAngle);
+		float sZ = Sin(zAngle);
 
 		m_matrix.right.x = cZ * cY - (sZ * sX) * sY;
 		m_matrix.right.y = (cZ * sX) * sY + sZ * cY;
diff --git a/src/math/Quaternion.h b/src/math/Quaternion.h
index 702fc72f..fb37dc10 100644
--- a/src/math/Quaternion.h
+++ b/src/math/Quaternion.h
@@ -8,7 +8,7 @@ public:
 	CQuaternion(void) {}
 	CQuaternion(float x, float y, float z, float w) : x(x), y(y), z(z), w(w) {}
 
-	float Magnitude(void) const { return sqrt(x*x + y*y + z*z + w*w); }
+	float Magnitude(void) const { return Sqrt(x*x + y*y + z*z + w*w); }
 	float MagnitudeSqr(void) const { return x*x + y*y + z*z + w*w; }
 
 	const CQuaternion &operator+=(CQuaternion const &right) {
diff --git a/src/math/Vector.h b/src/math/Vector.h
index b49f00f2..9a1dde7a 100644
--- a/src/math/Vector.h
+++ b/src/math/Vector.h
@@ -22,10 +22,10 @@ public:
 		return *((RwV3d*)this);
 	}
 #endif
-	float Heading(void) const { return atan2(-x, y); }
-	float Magnitude(void) const { return sqrt(x*x + y*y + z*z); }
+	float Heading(void) const { return Atan2(-x, y); }
+	float Magnitude(void) const { return Sqrt(x*x + y*y + z*z); }
 	float MagnitudeSqr(void) const { return x*x + y*y + z*z; }
-	float Magnitude2D(void) const { return sqrt(x*x + y*y); }
+	float Magnitude2D(void) const { return Sqrt(x*x + y*y); }
 	float MagnitudeSqr2D(void) const { return x*x + y*y; }
 	void Normalise(void) {
 		float sq = MagnitudeSqr();
diff --git a/src/math/Vector2D.h b/src/math/Vector2D.h
index fa32bd9b..d0580545 100644
--- a/src/math/Vector2D.h
+++ b/src/math/Vector2D.h
@@ -7,7 +7,7 @@ public:
 	CVector2D(void) {}
 	CVector2D(float x, float y) : x(x), y(y) {}
 	CVector2D(const CVector &v) : x(v.x), y(v.y) {}
-	float Magnitude(void) const { return sqrt(x*x + y*y); }
+	float Magnitude(void) const { return Sqrt(x*x + y*y); }
 	float MagnitudeSqr(void) const { return x*x + y*y; }
 
 	void Normalise(void){
diff --git a/src/math/math.cpp b/src/math/math.cpp
index b76db4ae..b4ba9c98 100644
--- a/src/math/math.cpp
+++ b/src/math/math.cpp
@@ -13,11 +13,11 @@ CQuaternion::Slerp(const CQuaternion &q1, const CQuaternion &q2, float theta, fl
 		float w1, w2;
 		if(theta > PI/2){
 			theta = PI - theta;
-			w1 = sin((1.0f - t) * theta) * invSin;
+			w1 = Sin((1.0f - t) * theta) * invSin;
 			w2 = -sin(t * theta) * invSin;
 		}else{
-			w1 = sin((1.0f - t) * theta) * invSin;
-			w2 = sin(t * theta) * invSin;
+			w1 = Sin((1.0f - t) * theta) * invSin;
+			w2 = Sin(t * theta) * invSin;
 		}
 		*this = w1*q1 + w2*q2;
 	}
diff --git a/src/math/maths.h b/src/math/maths.h
new file mode 100644
index 00000000..49e39631
--- /dev/null
+++ b/src/math/maths.h
@@ -0,0 +1,12 @@
+#pragma once
+
+// wrapper around float versions of functions
+// in gta they are in CMaths but that makes the code rather noisy
+
+inline float Sin(float x) { return sinf(x); }
+inline float Cos(float x) { return cosf(x); }
+inline float Abs(float x) { return fabs(x); }
+inline float Sqrt(float x) { return sqrtf(x); }
+inline float Atan2(float y, float x) { return atan2f(y, x); }
+inline float RecipSqrt(float x) { return 1.0f/sqrtf(x); }
+inline float Pow(float x, float y) { return powf(x, y); }
-- 
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