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-rw-r--r--modules/bullet/area_bullet.cpp292
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diff --git a/modules/bullet/area_bullet.cpp b/modules/bullet/area_bullet.cpp
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-/*************************************************************************/
-/* area_bullet.cpp */
-/*************************************************************************/
-/* This file is part of: */
-/* GODOT ENGINE */
-/* https://godotengine.org */
-/*************************************************************************/
-/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
-/* Copyright (c) 2014-2021 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>
-
-/**
- @author AndreaCatania
-*/
-
-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 = overlappingObjects.size() - 1; 0 <= i; --i) {
- overlappingObjects[i].object->on_exit_area(this);
- }
-}
-
-void AreaBullet::dispatch_callbacks() {
- if (!isScratched) {
- return;
- }
- isScratched = false;
-
- // Reverse order because I've to remove EXIT objects
- for (int i = overlappingObjects.size() - 1; 0 <= i; --i) {
- OverlappingObjectData &otherObj = overlappingObjects.write[i];
-
- switch (otherObj.state) {
- case OVERLAP_STATE_ENTER:
- otherObj.state = OVERLAP_STATE_INSIDE;
- call_event(otherObj.object, PhysicsServer3D::AREA_BODY_ADDED);
- otherObj.object->on_enter_area(this);
- break;
- case OVERLAP_STATE_EXIT:
- call_event(otherObj.object, PhysicsServer3D::AREA_BODY_REMOVED);
- otherObj.object->on_exit_area(this);
- overlappingObjects.remove(i); // Remove after callback
- break;
- case OVERLAP_STATE_DIRTY:
- case OVERLAP_STATE_INSIDE:
- break;
- }
- }
-}
-
-void AreaBullet::call_event(CollisionObjectBullet *p_otherObject, PhysicsServer3D::AreaBodyStatus p_status) {
- InOutEventCallback &event = eventsCallbacks[static_cast<int>(p_otherObject->getType())];
- Object *areaGodoObject = ObjectDB::get_instance(event.event_callback_id);
-
- if (!areaGodoObject) {
- event.event_callback_id = ObjectID();
- return;
- }
-
- call_event_res[0] = p_status;
- call_event_res[1] = p_otherObject->get_self(); // Other body
- call_event_res[2] = p_otherObject->get_instance_id(); // instance ID
- call_event_res[3] = 0; // other_body_shape ID
- call_event_res[4] = 0; // self_shape ID
-
- Callable::CallError outResp;
- areaGodoObject->call(event.event_callback_method, (const Variant **)call_event_res_ptr, 5, outResp);
-}
-
-void AreaBullet::scratch() {
- if (isScratched) {
- return;
- }
- isScratched = true;
-}
-
-void AreaBullet::clear_overlaps(bool p_notify) {
- for (int i = overlappingObjects.size() - 1; 0 <= i; --i) {
- if (p_notify) {
- call_event(overlappingObjects[i].object, PhysicsServer3D::AREA_BODY_REMOVED);
- }
- overlappingObjects[i].object->on_exit_area(this);
- }
- overlappingObjects.clear();
-}
-
-void AreaBullet::remove_overlap(CollisionObjectBullet *p_object, bool p_notify) {
- for (int i = overlappingObjects.size() - 1; 0 <= i; --i) {
- if (overlappingObjects[i].object == p_object) {
- if (p_notify) {
- call_event(overlappingObjects[i].object, PhysicsServer3D::AREA_BODY_REMOVED);
- }
- overlappingObjects[i].object->on_exit_area(this);
- overlappingObjects.remove(i);
- break;
- }
- }
-}
-
-int AreaBullet::find_overlapping_object(CollisionObjectBullet *p_colObj) {
- const int size = overlappingObjects.size();
- for (int i = 0; i < size; ++i) {
- if (overlappingObjects[i].object == p_colObj) {
- return i;
- }
- }
- return -1;
-}
-
-void AreaBullet::set_monitorable(bool p_monitorable) {
- monitorable = p_monitorable;
-}
-
-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());
-}
-
-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(false);
- 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);
- }
-}
-
-void AreaBullet::add_overlap(CollisionObjectBullet *p_otherObject) {
- scratch();
- overlappingObjects.push_back(OverlappingObjectData(p_otherObject, OVERLAP_STATE_ENTER));
- p_otherObject->notify_new_overlap(this);
-}
-
-void AreaBullet::put_overlap_as_exit(int p_index) {
- scratch();
- overlappingObjects.write[p_index].state = OVERLAP_STATE_EXIT;
-}
-
-void AreaBullet::put_overlap_as_inside(int p_index) {
- // This check is required to be sure this body was inside
- if (OVERLAP_STATE_DIRTY == overlappingObjects[p_index].state) {
- overlappingObjects.write[p_index].state = OVERLAP_STATE_INSIDE;
- }
-}
-
-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));
- }
-}
-
-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, ObjectID p_id, const StringName &p_method) {
- InOutEventCallback &ev = eventsCallbacks[static_cast<int>(p_callbackObjectType)];
- ev.event_callback_id = p_id;
- ev.event_callback_method = p_method;
-
- /// Set if monitoring
- if (eventsCallbacks[0].event_callback_id.is_valid() || eventsCallbacks[1].event_callback_id.is_valid()) {
- 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));
- }
-}
-
-bool AreaBullet::has_event_callback(Type p_callbackObjectType) {
- return eventsCallbacks[static_cast<int>(p_callbackObjectType)].event_callback_id.is_valid();
-}
-
-void AreaBullet::on_enter_area(AreaBullet *p_area) {
-}
-
-void AreaBullet::on_exit_area(AreaBullet *p_area) {
- CollisionObjectBullet::on_exit_area(p_area);
-}
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