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, 113 deletions

diff --git a/thirdparty/bullet/BulletInverseDynamics/details/MultiBodyTreeInitCache.hpp b/thirdparty/bullet/BulletInverseDynamics/details/MultiBodyTreeInitCache.hpp
deleted file mode 100644
index dbdb3ff604..0000000000
--- a/thirdparty/bullet/BulletInverseDynamics/details/MultiBodyTreeInitCache.hpp
+++ /dev/null
@@ -1,113 +0,0 @@
-#ifndef MULTIBODYTREEINITCACHE_HPP_
-#define MULTIBODYTREEINITCACHE_HPP_
-
-#include "../IDConfig.hpp"
-#include "../IDMath.hpp"
-#include "../MultiBodyTree.hpp"
-
-namespace btInverseDynamics
-{
-/// Mass properties of a rigid body
-struct InertiaData
-{
-	ID_DECLARE_ALIGNED_ALLOCATOR();
-
-	/// mass
-	idScalar m_mass;
-	/// vector from body-fixed frame to center of mass,
-	/// in body-fixed frame, multiplied by the mass
-	vec3 m_body_pos_body_com;
-	/// moment of inertia w.r.t. the origin of the body-fixed
-	/// frame, represented in that frame
-	mat33 m_body_I_body;
-};
-
-/// Joint properties
-struct JointData
-{
-	ID_DECLARE_ALIGNED_ALLOCATOR();
-
-	/// type of joint
-	JointType m_type;
-	/// index of parent body
-	int m_parent;
-	/// index of child body
-	int m_child;
-	/// vector from parent's body-fixed frame to child's body-fixed
-	/// frame for q=0, written in the parent's body fixed frame
-	vec3 m_parent_pos_parent_child_ref;
-	/// Transform matrix converting vectors written in the parent's frame
-	/// into vectors written in the child's frame for q=0
-	/// ie, child_vector = child_T_parent_ref * parent_vector;
-	mat33 m_child_T_parent_ref;
-	/// Axis of motion for 1 degree-of-freedom joints,
-	/// written in the child's frame
-	/// For revolute joints, the q-value is positive for a positive
-	/// rotation about this axis.
-	/// For prismatic joints, the q-value is positive for a positive
-	/// translation is this direction.
-	vec3 m_child_axis_of_motion;
-};
-
-/// Data structure to store data passed by the user.
-/// This is used in MultiBodyTree::finalize to build internal data structures.
-class MultiBodyTree::InitCache
-{
-public:
-	ID_DECLARE_ALIGNED_ALLOCATOR();
-	/// constructor
-	InitCache();
-	///\copydoc MultiBodyTree::addBody
-	int addBody(const int body_index, const int parent_index, const JointType joint_type,
-				const vec3 &parent_r_parent_body_ref, const mat33 &body_T_parent_ref,
-				const vec3 &body_axis_of_motion, idScalar mass, const vec3 &body_r_body_com,
-				const mat33 &body_I_body, const int user_int, void *user_ptr);
-	/// build index arrays
-	/// @return 0 on success, -1 on failure
-	int buildIndexSets();
-	/// @return number of degrees of freedom
-	int numDoFs() const { return m_num_dofs; }
-	/// @return number of bodies
-	int numBodies() const { return m_inertias.size(); }
-	/// get inertia data for index
-	/// @param index of the body
-	/// @param inertia pointer for return data
-	/// @return 0 on success, -1 on failure
-	int getInertiaData(const int index, InertiaData *inertia) const;
-	/// get joint data for index
-	/// @param index of the body
-	/// @param joint pointer for return data
-	/// @return 0 on success, -1 on failure
-	int getJointData(const int index, JointData *joint) const;
-	/// get parent index array (paren_index[i] is the index of the parent of i)
-	/// @param parent_index pointer for return data
-	void getParentIndexArray(idArray<int>::type *parent_index) { *parent_index = m_parent_index; }
-	/// get user integer
-	/// @param index body index
-	/// @param user_int user integer
-	/// @return 0 on success, -1 on failure
-	int getUserInt(const int index, int *user_int) const;
-	/// get user pointer
-	/// @param index body index
-	/// @param user_int user pointer
-	/// @return 0 on success, -1 on failure
-	int getUserPtr(const int index, void **user_ptr) const;
-
-private:
-	// vector of bodies
-	idArray<InertiaData>::type m_inertias;
-	// vector of joints
-	idArray<JointData>::type m_joints;
-	// number of mechanical degrees of freedom
-	int m_num_dofs;
-	// parent index array
-	idArray<int>::type m_parent_index;
-	// user integers
-	idArray<int>::type m_user_int;
-	// user pointers
-	idArray<void *>::type m_user_ptr;
-	// index of root body (or -1 if not set)
-	int m_root_index;
-};
-}  // namespace btInverseDynamics
-#endif  // MULTIBODYTREEINITCACHE_HPP_