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, 324 deletions

diff --git a/modules/bullet/area_bullet.cpp b/modules/bullet/area_bullet.cpp
deleted file mode 100644
index f816691cde..0000000000
--- a/modules/bullet/area_bullet.cpp
+++ /dev/null
@@ -1,324 +0,0 @@
-/*************************************************************************/
-/*  area_bullet.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 "area_bullet.h"
-
-#include "bullet_physics_server.h"
-#include "bullet_types_converter.h"
-#include "bullet_utilities.h"
-#include "collision_object_bullet.h"
-#include "space_bullet.h"
-
-#include <BulletCollision/CollisionDispatch/btGhostObject.h>
-#include <btBulletCollisionCommon.h>
-
-AreaBullet::AreaBullet() :
-		RigidCollisionObjectBullet(CollisionObjectBullet::TYPE_AREA) {
-	btGhost = bulletnew(btGhostObject);
-	reload_shapes();
-	setupBulletCollisionObject(btGhost);
-	/// Collision objects with a callback still have collision response with dynamic rigid bodies.
-	/// In order to use collision objects as trigger, you have to disable the collision response.
-	set_collision_enabled(false);
-
-	for (int i = 0; i < 5; ++i) {
-		call_event_res_ptr[i] = &call_event_res[i];
-	}
-}
-
-AreaBullet::~AreaBullet() {
-	// signal are handled by godot, so just clear without notify
-	for (int i = 0; i < overlapping_shapes.size(); i++) {
-		overlapping_shapes[i].other_object->on_exit_area(this);
-	}
-}
-
-void AreaBullet::dispatch_callbacks() {
-	if (!isScratched) {
-		return;
-	}
-	isScratched = false;
-
-	// Reverse order so items can be removed.
-	for (int i = overlapping_shapes.size() - 1; i >= 0; i--) {
-		OverlappingShapeData &overlapping_shape = overlapping_shapes.write[i];
-
-		switch (overlapping_shape.state) {
-			case OVERLAP_STATE_ENTER:
-				overlapping_shape.state = OVERLAP_STATE_INSIDE;
-				call_event(overlapping_shape, PhysicsServer3D::AREA_BODY_ADDED);
-				if (_overlapping_shape_count(overlapping_shape.other_object) == 1) {
-					// This object's first shape being added.
-					overlapping_shape.other_object->on_enter_area(this);
-				}
-				break;
-			case OVERLAP_STATE_EXIT:
-				call_event(overlapping_shape, PhysicsServer3D::AREA_BODY_REMOVED);
-				if (_overlapping_shape_count(overlapping_shape.other_object) == 1) {
-					// This object's last shape being removed.
-					overlapping_shape.other_object->on_exit_area(this);
-				}
-				overlapping_shapes.remove_at(i); // Remove after callback
-				break;
-			case OVERLAP_STATE_INSIDE: {
-				if (overlapping_shape.other_object->getType() == TYPE_RIGID_BODY) {
-					RigidBodyBullet *body = static_cast<RigidBodyBullet *>(overlapping_shape.other_object);
-					body->scratch_space_override_modificator();
-				}
-				break;
-			}
-			case OVERLAP_STATE_DIRTY:
-				break;
-		}
-	}
-}
-
-void AreaBullet::call_event(const OverlappingShapeData &p_overlapping_shape, PhysicsServer3D::AreaBodyStatus p_status) {
-	InOutEventCallback &event = eventsCallbacks[static_cast<int>(p_overlapping_shape.other_object->getType())];
-
-	if (!event.event_callback.is_valid()) {
-		event.event_callback = Callable();
-		return;
-	}
-
-	call_event_res[0] = p_status;
-	call_event_res[1] = p_overlapping_shape.other_object->get_self(); // RID
-	call_event_res[2] = p_overlapping_shape.other_object->get_instance_id(); // Object ID
-	call_event_res[3] = p_overlapping_shape.other_shape_id; // Other object's shape ID
-	call_event_res[4] = p_overlapping_shape.our_shape_id; // This area's shape ID
-
-	Callable::CallError outResp;
-	Variant ret;
-	event.event_callback.call((const Variant **)call_event_res, 5, ret, outResp);
-}
-
-int AreaBullet::_overlapping_shape_count(CollisionObjectBullet *p_other_object) {
-	int count = 0;
-	for (int i = 0; i < overlapping_shapes.size(); i++) {
-		if (overlapping_shapes[i].other_object == p_other_object) {
-			count++;
-		}
-	}
-	return count;
-}
-
-int AreaBullet::_find_overlapping_shape(CollisionObjectBullet *p_other_object, uint32_t p_other_shape_id, uint32_t p_our_shape_id) {
-	for (int i = 0; i < overlapping_shapes.size(); i++) {
-		const OverlappingShapeData &overlapping_shape = overlapping_shapes[i];
-		if (overlapping_shape.other_object == p_other_object && overlapping_shape.other_shape_id == p_other_shape_id && overlapping_shape.our_shape_id == p_our_shape_id) {
-			return i;
-		}
-	}
-	return -1;
-}
-
-void AreaBullet::mark_all_overlaps_dirty() {
-	OverlappingShapeData *overlapping_shapes_w = overlapping_shapes.ptrw();
-	for (int i = 0; i < overlapping_shapes.size(); i++) {
-		// Don't overwrite OVERLAP_STATE_ENTER state.
-		if (overlapping_shapes_w[i].state != OVERLAP_STATE_ENTER) {
-			overlapping_shapes_w[i].state = OVERLAP_STATE_DIRTY;
-		}
-	}
-}
-
-void AreaBullet::mark_object_overlaps_inside(CollisionObjectBullet *p_other_object) {
-	OverlappingShapeData *overlapping_shapes_w = overlapping_shapes.ptrw();
-	for (int i = 0; i < overlapping_shapes.size(); i++) {
-		if (overlapping_shapes_w[i].other_object == p_other_object && overlapping_shapes_w[i].state == OVERLAP_STATE_DIRTY) {
-			overlapping_shapes_w[i].state = OVERLAP_STATE_INSIDE;
-		}
-	}
-}
-
-void AreaBullet::set_overlap(CollisionObjectBullet *p_other_object, uint32_t p_other_shape_id, uint32_t p_our_shape_id) {
-	int i = _find_overlapping_shape(p_other_object, p_other_shape_id, p_our_shape_id);
-	if (i == -1) { // Not found, create new one.
-		OverlappingShapeData overlapping_shape(p_other_object, OVERLAP_STATE_ENTER, p_other_shape_id, p_our_shape_id);
-		overlapping_shapes.push_back(overlapping_shape);
-		p_other_object->notify_new_overlap(this);
-		isScratched = true;
-	} else {
-		overlapping_shapes.ptrw()[i].state = OVERLAP_STATE_INSIDE;
-	}
-}
-
-void AreaBullet::mark_all_dirty_overlaps_as_exit() {
-	OverlappingShapeData *overlapping_shapes_w = overlapping_shapes.ptrw();
-	for (int i = 0; i < overlapping_shapes.size(); i++) {
-		if (overlapping_shapes[i].state == OVERLAP_STATE_DIRTY) {
-			overlapping_shapes_w[i].state = OVERLAP_STATE_EXIT;
-			isScratched = true;
-		}
-	}
-}
-
-void AreaBullet::remove_object_overlaps(CollisionObjectBullet *p_object) {
-	// Reverse order so items can be removed.
-	for (int i = overlapping_shapes.size() - 1; i >= 0; i--) {
-		if (overlapping_shapes[i].other_object == p_object) {
-			overlapping_shapes.remove_at(i);
-		}
-	}
-}
-
-void AreaBullet::clear_overlaps() {
-	for (int i = 0; i < overlapping_shapes.size(); i++) {
-		call_event(overlapping_shapes[i], PhysicsServer3D::AREA_BODY_REMOVED);
-		overlapping_shapes[i].other_object->on_exit_area(this);
-	}
-	overlapping_shapes.clear();
-}
-
-void AreaBullet::set_monitorable(bool p_monitorable) {
-	monitorable = p_monitorable;
-	updated = true;
-}
-
-bool AreaBullet::is_monitoring() const {
-	return get_godot_object_flags() & GOF_IS_MONITORING_AREA;
-}
-
-void AreaBullet::main_shape_changed() {
-	CRASH_COND(!get_main_shape());
-	btGhost->setCollisionShape(get_main_shape());
-	updated = true;
-}
-
-void AreaBullet::reload_body() {
-	if (space) {
-		space->remove_area(this);
-		space->add_area(this);
-	}
-}
-
-void AreaBullet::set_space(SpaceBullet *p_space) {
-	// Clear the old space if there is one
-	if (space) {
-		clear_overlaps();
-		isScratched = false;
-
-		// Remove this object form the physics world
-		space->remove_area(this);
-	}
-
-	space = p_space;
-
-	if (space) {
-		space->add_area(this);
-	}
-}
-
-void AreaBullet::on_collision_filters_change() {
-	if (space) {
-		space->reload_collision_filters(this);
-	}
-	updated = true;
-}
-
-void AreaBullet::set_param(PhysicsServer3D::AreaParameter p_param, const Variant &p_value) {
-	switch (p_param) {
-		case PhysicsServer3D::AREA_PARAM_GRAVITY:
-			set_spOv_gravityMag(p_value);
-			break;
-		case PhysicsServer3D::AREA_PARAM_GRAVITY_VECTOR:
-			set_spOv_gravityVec(p_value);
-			break;
-		case PhysicsServer3D::AREA_PARAM_LINEAR_DAMP:
-			set_spOv_linearDump(p_value);
-			break;
-		case PhysicsServer3D::AREA_PARAM_ANGULAR_DAMP:
-			set_spOv_angularDump(p_value);
-			break;
-		case PhysicsServer3D::AREA_PARAM_PRIORITY:
-			set_spOv_priority(p_value);
-			break;
-		case PhysicsServer3D::AREA_PARAM_GRAVITY_IS_POINT:
-			set_spOv_gravityPoint(p_value);
-			break;
-		case PhysicsServer3D::AREA_PARAM_GRAVITY_DISTANCE_SCALE:
-			set_spOv_gravityPointDistanceScale(p_value);
-			break;
-		case PhysicsServer3D::AREA_PARAM_GRAVITY_POINT_ATTENUATION:
-			set_spOv_gravityPointAttenuation(p_value);
-			break;
-		default:
-			WARN_PRINT("Area doesn't support this parameter in the Bullet backend: " + itos(p_param));
-	}
-	isScratched = true;
-}
-
-Variant AreaBullet::get_param(PhysicsServer3D::AreaParameter p_param) const {
-	switch (p_param) {
-		case PhysicsServer3D::AREA_PARAM_GRAVITY:
-			return spOv_gravityMag;
-		case PhysicsServer3D::AREA_PARAM_GRAVITY_VECTOR:
-			return spOv_gravityVec;
-		case PhysicsServer3D::AREA_PARAM_LINEAR_DAMP:
-			return spOv_linearDump;
-		case PhysicsServer3D::AREA_PARAM_ANGULAR_DAMP:
-			return spOv_angularDump;
-		case PhysicsServer3D::AREA_PARAM_PRIORITY:
-			return spOv_priority;
-		case PhysicsServer3D::AREA_PARAM_GRAVITY_IS_POINT:
-			return spOv_gravityPoint;
-		case PhysicsServer3D::AREA_PARAM_GRAVITY_DISTANCE_SCALE:
-			return spOv_gravityPointDistanceScale;
-		case PhysicsServer3D::AREA_PARAM_GRAVITY_POINT_ATTENUATION:
-			return spOv_gravityPointAttenuation;
-		default:
-			WARN_PRINT("Area doesn't support this parameter in the Bullet backend: " + itos(p_param));
-			return Variant();
-	}
-}
-
-void AreaBullet::set_event_callback(Type p_callbackObjectType, const Callable &p_callback) {
-	InOutEventCallback &ev = eventsCallbacks[static_cast<int>(p_callbackObjectType)];
-	ev.event_callback = p_callback;
-
-	/// Set if monitoring
-	if (!eventsCallbacks[0].event_callback.is_null() || !eventsCallbacks[1].event_callback.is_null()) {
-		set_godot_object_flags(get_godot_object_flags() | GOF_IS_MONITORING_AREA);
-	} else {
-		set_godot_object_flags(get_godot_object_flags() & (~GOF_IS_MONITORING_AREA));
-		clear_overlaps();
-	}
-}
-
-bool AreaBullet::has_event_callback(Type p_callbackObjectType) {
-	return !eventsCallbacks[static_cast<int>(p_callbackObjectType)].event_callback.is_null();
-}
-
-void AreaBullet::on_enter_area(AreaBullet *p_area) {
-}
-
-void AreaBullet::on_exit_area(AreaBullet *p_area) {
-	CollisionObjectBullet::on_exit_area(p_area);
-}