First stage in refactoring Bullet: moved Bullet Collision and Dynamics and LinearMath into src folder, and all files in Collision Detection and Dynamics have bt prefix.

Made all buildsystems to work again (jam, msvc, cmake)

Extras/SATConvexCollision/Maths.h

@@ -0,0 +1,175 @@
+// Bullet Continuous Collision Detection and Physics Library
+// Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+//
+// Maths.h
+//
+// Copyright (c) 2006 Simon Hobbs
+//
+// This software is provided 'as-is', without any express or implied warranty. In no event will the authors be held liable for any damages arising from the use of this software.
+//
+// Permission is granted to anyone to use this software for any purpose, including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions:
+//
+// 1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
+//
+// 2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
+//
+// 3. This notice may not be removed or altered from any source distribution.
+#ifndef BULLET_MATH_H
+#define BULLET_MATH_H
+
+#ifdef WIN32
+
+#include <math.h>
+#include <stdlib.h>
+#include <float.h>
+
+// intrinsics headers
+#include <mmintrin.h>
+#include <xmmintrin.h>
+
+// vector maths classes require aligned alloc
+#include "Memory2.h"
+
+// constants
+#define PI				3.141592654f
+
+#define Angle5			0.087266462f
+#define Angle10			0.174532925f
+#define Angle15			0.261799388f
+#define Angle30			0.523598776f
+#define Angle45			0.785398163f
+#define Angle60			0.523598776f
+#define Angle90			1.570796327f
+#define Angle180		PI
+#define Angle270		4.71238898f
+#define Angle360		6.283185307f
+
+#define Deg2RadF		0.01745329251994329547f
+#define Rad2DegF		57.29577951308232286465f
+
+#define MinValueF		-3.402823466e+38f
+#define MaxValueF		3.402823466e+38F
+
+#define DefaultEpsilon	0.001f
+
+
+// float functions
+
+inline float Sin(const float f)
+{
+	return sinf(f);
+}
+
+inline float Cos(const float f)
+{
+	return cosf(f);
+}
+
+inline float Tan(const float f)
+{
+	return tanf(f);
+}
+
+inline float Asin(const float f)
+{
+	return asinf(f);
+}
+
+inline float Acos(const float f)
+{
+	return acosf(f);
+}
+
+inline float Atan(const float f)
+{
+	return atanf(f);
+}
+
+inline float Atan2(const float y, const float x)
+{
+	return atan2f(y, x);
+}
+
+inline float Pow(const float x, const float y)
+{
+	return powf(x, y);
+}
+
+inline float Abs(const float x)
+{
+	return fabsf(x);
+}
+
+inline float Min(const float x, const float y)
+{
+	return (x < y) ? x : y;
+}
+
+inline float Max(const float x, const float y)
+{
+	return (x > y) ? x : y;
+}
+
+inline float Clamp(const float x, const float min, const float max)
+{
+	return (x >= max) ? max : Max(x, min);
+}
+
+inline float Sgn(const float f)
+{
+	// TODO: replace this with something that doesn't branch
+	if (f < 0.0f)
+		return -1.0f;
+	if (f > 0.0f)
+		return 1.0f;
+	return 0.0f;
+}
+
+inline float Floor(const float f)
+{
+	return floorf(f);
+}
+
+inline float Ceil(const float f)
+{
+	return ceilf(f);
+}
+
+inline float Mod(const float x, const float y)
+{
+	float n = Floor(x / y);
+	return x - n * y;
+}
+
+inline float Sqrt(const float f)
+{
+	return sqrtf(f);
+}
+
+inline bool Equal(const float x, const float y, const float epsilon = DefaultEpsilon)
+{
+	return Abs(x-y) <= epsilon;
+}
+
+inline float Lerp(const float x, const float y, const float t)
+{
+	return x + (y - x) * t;
+}
+
+inline int Min(const int x, const int y)
+{
+	return (x < y) ? x : y;
+}
+
+inline int Max(const int x, const int y)
+{
+	return (x > y) ? x : y;
+}
+
+#include "Vector.h"
+#include "Matrix.h"
+#include "Quat.h"
+#include "Geometry.h"
+
+#endif //WIN32
+#endif //BULLET_MATH_H