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.

1 files changed, 0 insertions, 103 deletions

diff --git a/thirdparty/bullet/Bullet3Dynamics/ConstraintSolver/b3FixedConstraint.cpp b/thirdparty/bullet/Bullet3Dynamics/ConstraintSolver/b3FixedConstraint.cpp
deleted file mode 100644
index ace4b18388..0000000000
--- a/thirdparty/bullet/Bullet3Dynamics/ConstraintSolver/b3FixedConstraint.cpp
+++ /dev/null
@@ -1,103 +0,0 @@
-
-#include "b3FixedConstraint.h"
-#include "Bullet3Collision/NarrowPhaseCollision/shared/b3RigidBodyData.h"
-#include "Bullet3Common/b3TransformUtil.h"
-#include <new>
-
-b3FixedConstraint::b3FixedConstraint(int rbA, int rbB, const b3Transform& frameInA, const b3Transform& frameInB)
-	: b3TypedConstraint(B3_FIXED_CONSTRAINT_TYPE, rbA, rbB)
-{
-	m_pivotInA = frameInA.getOrigin();
-	m_pivotInB = frameInB.getOrigin();
-	m_relTargetAB = frameInA.getRotation() * frameInB.getRotation().inverse();
-}
-
-b3FixedConstraint::~b3FixedConstraint()
-{
-}
-
-void b3FixedConstraint::getInfo1(b3ConstraintInfo1* info, const b3RigidBodyData* bodies)
-{
-	info->m_numConstraintRows = 6;
-	info->nub = 6;
-}
-
-void b3FixedConstraint::getInfo2(b3ConstraintInfo2* info, const b3RigidBodyData* bodies)
-{
-	//fix the 3 linear degrees of freedom
-
-	const b3Vector3& worldPosA = bodies[m_rbA].m_pos;
-	const b3Quaternion& worldOrnA = bodies[m_rbA].m_quat;
-	const b3Vector3& worldPosB = bodies[m_rbB].m_pos;
-	const b3Quaternion& worldOrnB = bodies[m_rbB].m_quat;
-
-	info->m_J1linearAxis[0] = 1;
-	info->m_J1linearAxis[info->rowskip + 1] = 1;
-	info->m_J1linearAxis[2 * info->rowskip + 2] = 1;
-
-	b3Vector3 a1 = b3QuatRotate(worldOrnA, m_pivotInA);
-	{
-		b3Vector3* angular0 = (b3Vector3*)(info->m_J1angularAxis);
-		b3Vector3* angular1 = (b3Vector3*)(info->m_J1angularAxis + info->rowskip);
-		b3Vector3* angular2 = (b3Vector3*)(info->m_J1angularAxis + 2 * info->rowskip);
-		b3Vector3 a1neg = -a1;
-		a1neg.getSkewSymmetricMatrix(angular0, angular1, angular2);
-	}
-
-	if (info->m_J2linearAxis)
-	{
-		info->m_J2linearAxis[0] = -1;
-		info->m_J2linearAxis[info->rowskip + 1] = -1;
-		info->m_J2linearAxis[2 * info->rowskip + 2] = -1;
-	}
-
-	b3Vector3 a2 = b3QuatRotate(worldOrnB, m_pivotInB);
-
-	{
-		//	b3Vector3 a2n = -a2;
-		b3Vector3* angular0 = (b3Vector3*)(info->m_J2angularAxis);
-		b3Vector3* angular1 = (b3Vector3*)(info->m_J2angularAxis + info->rowskip);
-		b3Vector3* angular2 = (b3Vector3*)(info->m_J2angularAxis + 2 * info->rowskip);
-		a2.getSkewSymmetricMatrix(angular0, angular1, angular2);
-	}
-
-	// set right hand side for the linear dofs
-	b3Scalar k = info->fps * info->erp;
-	b3Vector3 linearError = k * (a2 + worldPosB - a1 - worldPosA);
-	int j;
-	for (j = 0; j < 3; j++)
-	{
-		info->m_constraintError[j * info->rowskip] = linearError[j];
-		//printf("info->m_constraintError[%d]=%f\n",j,info->m_constraintError[j]);
-	}
-
-	//fix the 3 angular degrees of freedom
-
-	int start_row = 3;
-	int s = info->rowskip;
-	int start_index = start_row * s;
-
-	// 3 rows to make body rotations equal
-	info->m_J1angularAxis[start_index] = 1;
-	info->m_J1angularAxis[start_index + s + 1] = 1;
-	info->m_J1angularAxis[start_index + s * 2 + 2] = 1;
-	if (info->m_J2angularAxis)
-	{
-		info->m_J2angularAxis[start_index] = -1;
-		info->m_J2angularAxis[start_index + s + 1] = -1;
-		info->m_J2angularAxis[start_index + s * 2 + 2] = -1;
-	}
-
-	// set right hand side for the angular dofs
-
-	b3Vector3 diff;
-	b3Scalar angle;
-	b3Quaternion qrelCur = worldOrnA * worldOrnB.inverse();
-
-	b3TransformUtil::calculateDiffAxisAngleQuaternion(m_relTargetAB, qrelCur, diff, angle);
-	diff *= -angle;
-	for (j = 0; j < 3; j++)
-	{
-		info->m_constraintError[(3 + j) * info->rowskip] = k * diff[j];
-	}
-}
\ No newline at end of file