Remove unused Bullet module and thirdparty code

It has been disabled in `master` since one year (#45852) and our plan
is for Bullet, and possibly other thirdparty physics engines, to be
implemented via GDExtension so that they can be selected by the users
who need them.

6 files changed, 0 insertions, 522 deletions

diff --git a/thirdparty/bullet/Bullet3Common/shared/b3Float4.h b/thirdparty/bullet/Bullet3Common/shared/b3Float4.h
deleted file mode 100644
index d8a9f47411..0000000000
--- a/thirdparty/bullet/Bullet3Common/shared/b3Float4.h
+++ /dev/null
@@ -1,90 +0,0 @@
-#ifndef B3_FLOAT4_H
-#define B3_FLOAT4_H
-
-#include "Bullet3Common/shared/b3PlatformDefinitions.h"
-
-#ifdef __cplusplus
-#include "Bullet3Common/b3Vector3.h"
-#define b3Float4 b3Vector3
-#define b3Float4ConstArg const b3Vector3&
-#define b3Dot3F4 b3Dot
-#define b3Cross3 b3Cross
-#define b3MakeFloat4 b3MakeVector3
-inline b3Vector3 b3Normalized(const b3Vector3& vec)
-{
-	return vec.normalized();
-}
-
-inline b3Float4 b3FastNormalized3(b3Float4ConstArg v)
-{
-	return v.normalized();
-}
-
-inline b3Float4 b3MaxFloat4(const b3Float4& a, const b3Float4& b)
-{
-	b3Float4 tmp = a;
-	tmp.setMax(b);
-	return tmp;
-}
-inline b3Float4 b3MinFloat4(const b3Float4& a, const b3Float4& b)
-{
-	b3Float4 tmp = a;
-	tmp.setMin(b);
-	return tmp;
-}
-
-#else
-typedef float4 b3Float4;
-#define b3Float4ConstArg const b3Float4
-#define b3MakeFloat4 (float4)
-float b3Dot3F4(b3Float4ConstArg v0, b3Float4ConstArg v1)
-{
-	float4 a1 = b3MakeFloat4(v0.xyz, 0.f);
-	float4 b1 = b3MakeFloat4(v1.xyz, 0.f);
-	return dot(a1, b1);
-}
-b3Float4 b3Cross3(b3Float4ConstArg v0, b3Float4ConstArg v1)
-{
-	float4 a1 = b3MakeFloat4(v0.xyz, 0.f);
-	float4 b1 = b3MakeFloat4(v1.xyz, 0.f);
-	return cross(a1, b1);
-}
-#define b3MinFloat4 min
-#define b3MaxFloat4 max
-
-#define b3Normalized(a) normalize(a)
-
-#endif
-
-inline bool b3IsAlmostZero(b3Float4ConstArg v)
-{
-	if (b3Fabs(v.x) > 1e-6 || b3Fabs(v.y) > 1e-6 || b3Fabs(v.z) > 1e-6)
-		return false;
-	return true;
-}
-
-inline int b3MaxDot(b3Float4ConstArg vec, __global const b3Float4* vecArray, int vecLen, float* dotOut)
-{
-	float maxDot = -B3_INFINITY;
-	int i = 0;
-	int ptIndex = -1;
-	for (i = 0; i < vecLen; i++)
-	{
-		float dot = b3Dot3F4(vecArray[i], vec);
-
-		if (dot > maxDot)
-		{
-			maxDot = dot;
-			ptIndex = i;
-		}
-	}
-	b3Assert(ptIndex >= 0);
-	if (ptIndex < 0)
-	{
-		ptIndex = 0;
-	}
-	*dotOut = maxDot;
-	return ptIndex;
-}
-
-#endif  //B3_FLOAT4_H
diff --git a/thirdparty/bullet/Bullet3Common/shared/b3Int2.h b/thirdparty/bullet/Bullet3Common/shared/b3Int2.h
deleted file mode 100644
index 7b84de4436..0000000000
--- a/thirdparty/bullet/Bullet3Common/shared/b3Int2.h
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
-Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2013 Erwin Coumans  http://bulletphysics.org
-
-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 B3_INT2_H
-#define B3_INT2_H
-
-#ifdef __cplusplus
-
-struct b3UnsignedInt2
-{
-	union {
-		struct
-		{
-			unsigned int x, y;
-		};
-		struct
-		{
-			unsigned int s[2];
-		};
-	};
-};
-
-struct b3Int2
-{
-	union {
-		struct
-		{
-			int x, y;
-		};
-		struct
-		{
-			int s[2];
-		};
-	};
-};
-
-inline b3Int2 b3MakeInt2(int x, int y)
-{
-	b3Int2 v;
-	v.s[0] = x;
-	v.s[1] = y;
-	return v;
-}
-#else
-
-#define b3UnsignedInt2 uint2
-#define b3Int2 int2
-#define b3MakeInt2 (int2)
-
-#endif  //__cplusplus
-#endif
\ No newline at end of file
diff --git a/thirdparty/bullet/Bullet3Common/shared/b3Int4.h b/thirdparty/bullet/Bullet3Common/shared/b3Int4.h
deleted file mode 100644
index f6a1754245..0000000000
--- a/thirdparty/bullet/Bullet3Common/shared/b3Int4.h
+++ /dev/null
@@ -1,71 +0,0 @@
-#ifndef B3_INT4_H
-#define B3_INT4_H
-
-#ifdef __cplusplus
-
-#include "Bullet3Common/b3Scalar.h"
-
-B3_ATTRIBUTE_ALIGNED16(struct)
-b3UnsignedInt4
-{
-	B3_DECLARE_ALIGNED_ALLOCATOR();
-
-	union {
-		struct
-		{
-			unsigned int x, y, z, w;
-		};
-		struct
-		{
-			unsigned int s[4];
-		};
-	};
-};
-
-B3_ATTRIBUTE_ALIGNED16(struct)
-b3Int4
-{
-	B3_DECLARE_ALIGNED_ALLOCATOR();
-
-	union {
-		struct
-		{
-			int x, y, z, w;
-		};
-		struct
-		{
-			int s[4];
-		};
-	};
-};
-
-B3_FORCE_INLINE b3Int4 b3MakeInt4(int x, int y, int z, int w = 0)
-{
-	b3Int4 v;
-	v.s[0] = x;
-	v.s[1] = y;
-	v.s[2] = z;
-	v.s[3] = w;
-	return v;
-}
-
-B3_FORCE_INLINE b3UnsignedInt4 b3MakeUnsignedInt4(unsigned int x, unsigned int y, unsigned int z, unsigned int w = 0)
-{
-	b3UnsignedInt4 v;
-	v.s[0] = x;
-	v.s[1] = y;
-	v.s[2] = z;
-	v.s[3] = w;
-	return v;
-}
-
-#else
-
-#define b3UnsignedInt4 uint4
-#define b3Int4 int4
-#define b3MakeInt4 (int4)
-#define b3MakeUnsignedInt4 (uint4)
-
-#endif  //__cplusplus
-
-#endif  //B3_INT4_H
diff --git a/thirdparty/bullet/Bullet3Common/shared/b3Mat3x3.h b/thirdparty/bullet/Bullet3Common/shared/b3Mat3x3.h
deleted file mode 100644
index ce6482b5a6..0000000000
--- a/thirdparty/bullet/Bullet3Common/shared/b3Mat3x3.h
+++ /dev/null
@@ -1,157 +0,0 @@
-
-#ifndef B3_MAT3x3_H
-#define B3_MAT3x3_H
-
-#include "Bullet3Common/shared/b3Quat.h"
-
-#ifdef __cplusplus
-
-#include "Bullet3Common/b3Matrix3x3.h"
-
-#define b3Mat3x3 b3Matrix3x3
-#define b3Mat3x3ConstArg const b3Matrix3x3&
-
-inline b3Mat3x3 b3QuatGetRotationMatrix(b3QuatConstArg quat)
-{
-	return b3Mat3x3(quat);
-}
-
-inline b3Mat3x3 b3AbsoluteMat3x3(b3Mat3x3ConstArg mat)
-{
-	return mat.absolute();
-}
-
-#define b3GetRow(m, row) m.getRow(row)
-
-__inline b3Float4 mtMul3(b3Float4ConstArg a, b3Mat3x3ConstArg b)
-{
-	return b * a;
-}
-
-#else
-
-typedef struct
-{
-	b3Float4 m_row[3];
-} b3Mat3x3;
-
-#define b3Mat3x3ConstArg const b3Mat3x3
-#define b3GetRow(m, row) (m.m_row[row])
-
-inline b3Mat3x3 b3QuatGetRotationMatrix(b3Quat quat)
-{
-	b3Float4 quat2 = (b3Float4)(quat.x * quat.x, quat.y * quat.y, quat.z * quat.z, 0.f);
-	b3Mat3x3 out;
-
-	out.m_row[0].x = 1 - 2 * quat2.y - 2 * quat2.z;
-	out.m_row[0].y = 2 * quat.x * quat.y - 2 * quat.w * quat.z;
-	out.m_row[0].z = 2 * quat.x * quat.z + 2 * quat.w * quat.y;
-	out.m_row[0].w = 0.f;
-
-	out.m_row[1].x = 2 * quat.x * quat.y + 2 * quat.w * quat.z;
-	out.m_row[1].y = 1 - 2 * quat2.x - 2 * quat2.z;
-	out.m_row[1].z = 2 * quat.y * quat.z - 2 * quat.w * quat.x;
-	out.m_row[1].w = 0.f;
-
-	out.m_row[2].x = 2 * quat.x * quat.z - 2 * quat.w * quat.y;
-	out.m_row[2].y = 2 * quat.y * quat.z + 2 * quat.w * quat.x;
-	out.m_row[2].z = 1 - 2 * quat2.x - 2 * quat2.y;
-	out.m_row[2].w = 0.f;
-
-	return out;
-}
-
-inline b3Mat3x3 b3AbsoluteMat3x3(b3Mat3x3ConstArg matIn)
-{
-	b3Mat3x3 out;
-	out.m_row[0] = fabs(matIn.m_row[0]);
-	out.m_row[1] = fabs(matIn.m_row[1]);
-	out.m_row[2] = fabs(matIn.m_row[2]);
-	return out;
-}
-
-__inline b3Mat3x3 mtZero();
-
-__inline b3Mat3x3 mtIdentity();
-
-__inline b3Mat3x3 mtTranspose(b3Mat3x3 m);
-
-__inline b3Mat3x3 mtMul(b3Mat3x3 a, b3Mat3x3 b);
-
-__inline b3Float4 mtMul1(b3Mat3x3 a, b3Float4 b);
-
-__inline b3Float4 mtMul3(b3Float4 a, b3Mat3x3 b);
-
-__inline b3Mat3x3 mtZero()
-{
-	b3Mat3x3 m;
-	m.m_row[0] = (b3Float4)(0.f);
-	m.m_row[1] = (b3Float4)(0.f);
-	m.m_row[2] = (b3Float4)(0.f);
-	return m;
-}
-
-__inline b3Mat3x3 mtIdentity()
-{
-	b3Mat3x3 m;
-	m.m_row[0] = (b3Float4)(1, 0, 0, 0);
-	m.m_row[1] = (b3Float4)(0, 1, 0, 0);
-	m.m_row[2] = (b3Float4)(0, 0, 1, 0);
-	return m;
-}
-
-__inline b3Mat3x3 mtTranspose(b3Mat3x3 m)
-{
-	b3Mat3x3 out;
-	out.m_row[0] = (b3Float4)(m.m_row[0].x, m.m_row[1].x, m.m_row[2].x, 0.f);
-	out.m_row[1] = (b3Float4)(m.m_row[0].y, m.m_row[1].y, m.m_row[2].y, 0.f);
-	out.m_row[2] = (b3Float4)(m.m_row[0].z, m.m_row[1].z, m.m_row[2].z, 0.f);
-	return out;
-}
-
-__inline b3Mat3x3 mtMul(b3Mat3x3 a, b3Mat3x3 b)
-{
-	b3Mat3x3 transB;
-	transB = mtTranspose(b);
-	b3Mat3x3 ans;
-	//	why this doesn't run when 0ing in the for{}
-	a.m_row[0].w = 0.f;
-	a.m_row[1].w = 0.f;
-	a.m_row[2].w = 0.f;
-	for (int i = 0; i < 3; i++)
-	{
-		//	a.m_row[i].w = 0.f;
-		ans.m_row[i].x = b3Dot3F4(a.m_row[i], transB.m_row[0]);
-		ans.m_row[i].y = b3Dot3F4(a.m_row[i], transB.m_row[1]);
-		ans.m_row[i].z = b3Dot3F4(a.m_row[i], transB.m_row[2]);
-		ans.m_row[i].w = 0.f;
-	}
-	return ans;
-}
-
-__inline b3Float4 mtMul1(b3Mat3x3 a, b3Float4 b)
-{
-	b3Float4 ans;
-	ans.x = b3Dot3F4(a.m_row[0], b);
-	ans.y = b3Dot3F4(a.m_row[1], b);
-	ans.z = b3Dot3F4(a.m_row[2], b);
-	ans.w = 0.f;
-	return ans;
-}
-
-__inline b3Float4 mtMul3(b3Float4 a, b3Mat3x3 b)
-{
-	b3Float4 colx = b3MakeFloat4(b.m_row[0].x, b.m_row[1].x, b.m_row[2].x, 0);
-	b3Float4 coly = b3MakeFloat4(b.m_row[0].y, b.m_row[1].y, b.m_row[2].y, 0);
-	b3Float4 colz = b3MakeFloat4(b.m_row[0].z, b.m_row[1].z, b.m_row[2].z, 0);
-
-	b3Float4 ans;
-	ans.x = b3Dot3F4(a, colx);
-	ans.y = b3Dot3F4(a, coly);
-	ans.z = b3Dot3F4(a, colz);
-	return ans;
-}
-
-#endif
-
-#endif  //B3_MAT3x3_H
diff --git a/thirdparty/bullet/Bullet3Common/shared/b3PlatformDefinitions.h b/thirdparty/bullet/Bullet3Common/shared/b3PlatformDefinitions.h
deleted file mode 100644
index b72bee9310..0000000000
--- a/thirdparty/bullet/Bullet3Common/shared/b3PlatformDefinitions.h
+++ /dev/null
@@ -1,41 +0,0 @@
-#ifndef B3_PLATFORM_DEFINITIONS_H
-#define B3_PLATFORM_DEFINITIONS_H
-
-struct MyTest
-{
-	int bla;
-};
-
-#ifdef __cplusplus
-//#define b3ConstArray(a) const b3AlignedObjectArray<a>&
-#define b3ConstArray(a) const a *
-#define b3AtomicInc(a) ((*a)++)
-
-inline int b3AtomicAdd(volatile int *p, int val)
-{
-	int oldValue = *p;
-	int newValue = oldValue + val;
-	*p = newValue;
-	return oldValue;
-}
-
-#define __global
-
-#define B3_STATIC static
-#else
-//keep B3_LARGE_FLOAT*B3_LARGE_FLOAT < FLT_MAX
-#define B3_LARGE_FLOAT 1e18f
-#define B3_INFINITY 1e18f
-#define b3Assert(a)
-#define b3ConstArray(a) __global const a *
-#define b3AtomicInc atomic_inc
-#define b3AtomicAdd atomic_add
-#define b3Fabs fabs
-#define b3Sqrt native_sqrt
-#define b3Sin native_sin
-#define b3Cos native_cos
-
-#define B3_STATIC
-#endif
-
-#endif
diff --git a/thirdparty/bullet/Bullet3Common/shared/b3Quat.h b/thirdparty/bullet/Bullet3Common/shared/b3Quat.h
deleted file mode 100644
index 940610c77b..0000000000
--- a/thirdparty/bullet/Bullet3Common/shared/b3Quat.h
+++ /dev/null
@@ -1,100 +0,0 @@
-#ifndef B3_QUAT_H
-#define B3_QUAT_H
-
-#include "Bullet3Common/shared/b3PlatformDefinitions.h"
-#include "Bullet3Common/shared/b3Float4.h"
-
-#ifdef __cplusplus
-#include "Bullet3Common/b3Quaternion.h"
-#include "Bullet3Common/b3Transform.h"
-
-#define b3Quat b3Quaternion
-#define b3QuatConstArg const b3Quaternion&
-inline b3Quat b3QuatInverse(b3QuatConstArg orn)
-{
-	return orn.inverse();
-}
-
-inline b3Float4 b3TransformPoint(b3Float4ConstArg point, b3Float4ConstArg translation, b3QuatConstArg orientation)
-{
-	b3Transform tr;
-	tr.setOrigin(translation);
-	tr.setRotation(orientation);
-	return tr(point);
-}
-
-#else
-typedef float4 b3Quat;
-#define b3QuatConstArg const b3Quat
-
-inline float4 b3FastNormalize4(float4 v)
-{
-	v = (float4)(v.xyz, 0.f);
-	return fast_normalize(v);
-}
-
-inline b3Quat b3QuatMul(b3Quat a, b3Quat b);
-inline b3Quat b3QuatNormalized(b3QuatConstArg in);
-inline b3Quat b3QuatRotate(b3QuatConstArg q, b3QuatConstArg vec);
-inline b3Quat b3QuatInvert(b3QuatConstArg q);
-inline b3Quat b3QuatInverse(b3QuatConstArg q);
-
-inline b3Quat b3QuatMul(b3QuatConstArg a, b3QuatConstArg b)
-{
-	b3Quat ans;
-	ans = b3Cross3(a, b);
-	ans += a.w * b + b.w * a;
-	//	ans.w = a.w*b.w - (a.x*b.x+a.y*b.y+a.z*b.z);
-	ans.w = a.w * b.w - b3Dot3F4(a, b);
-	return ans;
-}
-
-inline b3Quat b3QuatNormalized(b3QuatConstArg in)
-{
-	b3Quat q;
-	q = in;
-	//return b3FastNormalize4(in);
-	float len = native_sqrt(dot(q, q));
-	if (len > 0.f)
-	{
-		q *= 1.f / len;
-	}
-	else
-	{
-		q.x = q.y = q.z = 0.f;
-		q.w = 1.f;
-	}
-	return q;
-}
-inline float4 b3QuatRotate(b3QuatConstArg q, b3QuatConstArg vec)
-{
-	b3Quat qInv = b3QuatInvert(q);
-	float4 vcpy = vec;
-	vcpy.w = 0.f;
-	float4 out = b3QuatMul(b3QuatMul(q, vcpy), qInv);
-	return out;
-}
-
-inline b3Quat b3QuatInverse(b3QuatConstArg q)
-{
-	return (b3Quat)(-q.xyz, q.w);
-}
-
-inline b3Quat b3QuatInvert(b3QuatConstArg q)
-{
-	return (b3Quat)(-q.xyz, q.w);
-}
-
-inline float4 b3QuatInvRotate(b3QuatConstArg q, b3QuatConstArg vec)
-{
-	return b3QuatRotate(b3QuatInvert(q), vec);
-}
-
-inline b3Float4 b3TransformPoint(b3Float4ConstArg point, b3Float4ConstArg translation, b3QuatConstArg orientation)
-{
-	return b3QuatRotate(orientation, point) + (translation);
-}
-
-#endif
-
-#endif  //B3_QUAT_H