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, 111 deletions

diff --git a/modules/bullet/godot_ray_world_algorithm.cpp b/modules/bullet/godot_ray_world_algorithm.cpp
deleted file mode 100644
index 697ca12e7b..0000000000
--- a/modules/bullet/godot_ray_world_algorithm.cpp
+++ /dev/null
@@ -1,111 +0,0 @@
-/*************************************************************************/
-/*  godot_ray_world_algorithm.cpp                                        */
-/*************************************************************************/
-/*                       This file is part of:                           */
-/*                           GODOT ENGINE                                */
-/*                      https://godotengine.org                          */
-/*************************************************************************/
-/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
-/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
-/*                                                                       */
-/* Permission is hereby granted, free of charge, to any person obtaining */
-/* a copy of this software and associated documentation files (the       */
-/* "Software"), to deal in the Software without restriction, including   */
-/* without limitation the rights to use, copy, modify, merge, publish,   */
-/* distribute, sublicense, and/or sell copies of the Software, and to    */
-/* permit persons to whom the Software is furnished to do so, subject to */
-/* the following conditions:                                             */
-/*                                                                       */
-/* The above copyright notice and this permission notice shall be        */
-/* included in all copies or substantial portions of the Software.       */
-/*                                                                       */
-/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
-/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
-/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
-/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
-/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
-/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
-/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
-/*************************************************************************/
-
-#include "godot_ray_world_algorithm.h"
-
-#include "btRayShape.h"
-#include "collision_object_bullet.h"
-
-#include <BulletDynamics/Dynamics/btDiscreteDynamicsWorld.h>
-
-// Epsilon to account for floating point inaccuracies
-#define RAY_PENETRATION_DEPTH_EPSILON 0.01
-
-GodotRayWorldAlgorithm::CreateFunc::CreateFunc(const btDiscreteDynamicsWorld *world) :
-		m_world(world) {}
-
-GodotRayWorldAlgorithm::SwappedCreateFunc::SwappedCreateFunc(const btDiscreteDynamicsWorld *world) :
-		m_world(world) {}
-
-GodotRayWorldAlgorithm::GodotRayWorldAlgorithm(const btDiscreteDynamicsWorld *world, btPersistentManifold *mf, const btCollisionAlgorithmConstructionInfo &ci, const btCollisionObjectWrapper *body0Wrap, const btCollisionObjectWrapper *body1Wrap, bool isSwapped) :
-		btActivatingCollisionAlgorithm(ci, body0Wrap, body1Wrap),
-		m_world(world),
-		m_manifoldPtr(mf),
-		m_isSwapped(isSwapped) {}
-
-GodotRayWorldAlgorithm::~GodotRayWorldAlgorithm() {
-	if (m_ownManifold && m_manifoldPtr) {
-		m_dispatcher->releaseManifold(m_manifoldPtr);
-	}
-}
-
-void GodotRayWorldAlgorithm::processCollision(const btCollisionObjectWrapper *body0Wrap, const btCollisionObjectWrapper *body1Wrap, const btDispatcherInfo &dispatchInfo, btManifoldResult *resultOut) {
-	if (!m_manifoldPtr) {
-		if (m_isSwapped) {
-			m_manifoldPtr = m_dispatcher->getNewManifold(body1Wrap->getCollisionObject(), body0Wrap->getCollisionObject());
-		} else {
-			m_manifoldPtr = m_dispatcher->getNewManifold(body0Wrap->getCollisionObject(), body1Wrap->getCollisionObject());
-		}
-		m_ownManifold = true;
-	}
-	m_manifoldPtr->clearManifold();
-	resultOut->setPersistentManifold(m_manifoldPtr);
-
-	const btRayShape *ray_shape;
-	btTransform ray_transform;
-
-	const btCollisionObjectWrapper *other_co_wrapper;
-
-	if (m_isSwapped) {
-		ray_shape = static_cast<const btRayShape *>(body1Wrap->getCollisionShape());
-		ray_transform = body1Wrap->getWorldTransform();
-
-		other_co_wrapper = body0Wrap;
-	} else {
-		ray_shape = static_cast<const btRayShape *>(body0Wrap->getCollisionShape());
-		ray_transform = body0Wrap->getWorldTransform();
-
-		other_co_wrapper = body1Wrap;
-	}
-
-	btTransform to(ray_transform * ray_shape->getSupportPoint());
-
-	btCollisionWorld::ClosestRayResultCallback btResult(ray_transform.getOrigin(), to.getOrigin());
-
-	m_world->rayTestSingleInternal(ray_transform, to, other_co_wrapper, btResult);
-
-	if (btResult.hasHit()) {
-		btScalar depth(ray_shape->getScaledLength() * (btResult.m_closestHitFraction - 1));
-
-		if (depth > -RAY_PENETRATION_DEPTH_EPSILON) {
-			depth = 0.0;
-		}
-
-		if (ray_shape->getSlipsOnSlope()) {
-			resultOut->addContactPoint(btResult.m_hitNormalWorld, btResult.m_hitPointWorld, depth);
-		} else {
-			resultOut->addContactPoint((ray_transform.getOrigin() - to.getOrigin()).normalize(), btResult.m_hitPointWorld, depth);
-		}
-	}
-}
-
-btScalar GodotRayWorldAlgorithm::calculateTimeOfImpact(btCollisionObject *body0, btCollisionObject *body1, const btDispatcherInfo &dispatchInfo, btManifoldResult *resultOut) {
-	return 1;
-}