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physics_body_2d.cpp
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physics_body_2d.cpp
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/*************************************************************************/
/* physics_body_2d.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2019 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 "physics_body_2d.h"
#include "core/core_string_names.h"
#include "core/engine.h"
#include "core/list.h"
#include "core/math/math_funcs.h"
#include "core/method_bind_ext.gen.inc"
#include "core/object.h"
#include "core/rid.h"
#include "scene/scene_string_names.h"
void PhysicsBody2D::_notification(int p_what) {
}
void PhysicsBody2D::_set_layers(uint32_t p_mask) {
set_collision_layer(p_mask);
set_collision_mask(p_mask);
}
uint32_t PhysicsBody2D::_get_layers() const {
return get_collision_layer();
}
void PhysicsBody2D::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_collision_layer", "layer"), &PhysicsBody2D::set_collision_layer);
ClassDB::bind_method(D_METHOD("get_collision_layer"), &PhysicsBody2D::get_collision_layer);
ClassDB::bind_method(D_METHOD("set_collision_mask", "mask"), &PhysicsBody2D::set_collision_mask);
ClassDB::bind_method(D_METHOD("get_collision_mask"), &PhysicsBody2D::get_collision_mask);
ClassDB::bind_method(D_METHOD("set_collision_mask_bit", "bit", "value"), &PhysicsBody2D::set_collision_mask_bit);
ClassDB::bind_method(D_METHOD("get_collision_mask_bit", "bit"), &PhysicsBody2D::get_collision_mask_bit);
ClassDB::bind_method(D_METHOD("set_collision_layer_bit", "bit", "value"), &PhysicsBody2D::set_collision_layer_bit);
ClassDB::bind_method(D_METHOD("get_collision_layer_bit", "bit"), &PhysicsBody2D::get_collision_layer_bit);
ClassDB::bind_method(D_METHOD("_set_layers", "mask"), &PhysicsBody2D::_set_layers);
ClassDB::bind_method(D_METHOD("_get_layers"), &PhysicsBody2D::_get_layers);
ClassDB::bind_method(D_METHOD("get_collision_exceptions"), &PhysicsBody2D::get_collision_exceptions);
ClassDB::bind_method(D_METHOD("add_collision_exception_with", "body"), &PhysicsBody2D::add_collision_exception_with);
ClassDB::bind_method(D_METHOD("remove_collision_exception_with", "body"), &PhysicsBody2D::remove_collision_exception_with);
ADD_PROPERTY(PropertyInfo(Variant::INT, "layers", PROPERTY_HINT_LAYERS_2D_PHYSICS, "", 0), "_set_layers", "_get_layers"); //for backwards compat
ADD_GROUP("Collision", "collision_");
ADD_PROPERTY(PropertyInfo(Variant::INT, "collision_layer", PROPERTY_HINT_LAYERS_2D_PHYSICS), "set_collision_layer", "get_collision_layer");
ADD_PROPERTY(PropertyInfo(Variant::INT, "collision_mask", PROPERTY_HINT_LAYERS_2D_PHYSICS), "set_collision_mask", "get_collision_mask");
}
void PhysicsBody2D::set_collision_layer(uint32_t p_layer) {
collision_layer = p_layer;
Physics2DServer::get_singleton()->body_set_collision_layer(get_rid(), p_layer);
}
uint32_t PhysicsBody2D::get_collision_layer() const {
return collision_layer;
}
void PhysicsBody2D::set_collision_mask(uint32_t p_mask) {
collision_mask = p_mask;
Physics2DServer::get_singleton()->body_set_collision_mask(get_rid(), p_mask);
}
uint32_t PhysicsBody2D::get_collision_mask() const {
return collision_mask;
}
void PhysicsBody2D::set_collision_mask_bit(int p_bit, bool p_value) {
uint32_t mask = get_collision_mask();
if (p_value)
mask |= 1 << p_bit;
else
mask &= ~(1 << p_bit);
set_collision_mask(mask);
}
bool PhysicsBody2D::get_collision_mask_bit(int p_bit) const {
return get_collision_mask() & (1 << p_bit);
}
void PhysicsBody2D::set_collision_layer_bit(int p_bit, bool p_value) {
uint32_t collision_layer = get_collision_layer();
if (p_value)
collision_layer |= 1 << p_bit;
else
collision_layer &= ~(1 << p_bit);
set_collision_layer(collision_layer);
}
bool PhysicsBody2D::get_collision_layer_bit(int p_bit) const {
return get_collision_layer() & (1 << p_bit);
}
PhysicsBody2D::PhysicsBody2D(Physics2DServer::BodyMode p_mode) :
CollisionObject2D(Physics2DServer::get_singleton()->body_create(), false) {
Physics2DServer::get_singleton()->body_set_mode(get_rid(), p_mode);
collision_layer = 1;
collision_mask = 1;
set_pickable(false);
}
Array PhysicsBody2D::get_collision_exceptions() {
List<RID> exceptions;
Physics2DServer::get_singleton()->body_get_collision_exceptions(get_rid(), &exceptions);
Array ret;
for (List<RID>::Element *E = exceptions.front(); E; E = E->next()) {
RID body = E->get();
ObjectID instance_id = Physics2DServer::get_singleton()->body_get_object_instance_id(body);
Object *obj = ObjectDB::get_instance(instance_id);
PhysicsBody2D *physics_body = Object::cast_to<PhysicsBody2D>(obj);
ret.append(physics_body);
}
return ret;
}
void PhysicsBody2D::add_collision_exception_with(Node *p_node) {
ERR_FAIL_NULL(p_node);
PhysicsBody2D *physics_body = Object::cast_to<PhysicsBody2D>(p_node);
if (!physics_body) {
ERR_EXPLAIN("Collision exception only works between two objects of PhysicsBody type");
}
ERR_FAIL_COND(!physics_body);
Physics2DServer::get_singleton()->body_add_collision_exception(get_rid(), physics_body->get_rid());
}
void PhysicsBody2D::remove_collision_exception_with(Node *p_node) {
ERR_FAIL_NULL(p_node);
PhysicsBody2D *physics_body = Object::cast_to<PhysicsBody2D>(p_node);
if (!physics_body) {
ERR_EXPLAIN("Collision exception only works between two objects of PhysicsBody type");
}
ERR_FAIL_COND(!physics_body);
Physics2DServer::get_singleton()->body_remove_collision_exception(get_rid(), physics_body->get_rid());
}
void StaticBody2D::set_constant_linear_velocity(const Vector2 &p_vel) {
constant_linear_velocity = p_vel;
Physics2DServer::get_singleton()->body_set_state(get_rid(), Physics2DServer::BODY_STATE_LINEAR_VELOCITY, constant_linear_velocity);
}
void StaticBody2D::set_constant_angular_velocity(real_t p_vel) {
constant_angular_velocity = p_vel;
Physics2DServer::get_singleton()->body_set_state(get_rid(), Physics2DServer::BODY_STATE_ANGULAR_VELOCITY, constant_angular_velocity);
}
Vector2 StaticBody2D::get_constant_linear_velocity() const {
return constant_linear_velocity;
}
real_t StaticBody2D::get_constant_angular_velocity() const {
return constant_angular_velocity;
}
#ifndef DISABLE_DEPRECATED
void StaticBody2D::set_friction(real_t p_friction) {
if (p_friction == 1.0 && physics_material_override.is_null()) { // default value, don't create an override for that
return;
}
ERR_EXPLAIN("The method set_friction has been deprecated and will be removed in the future, use physics material instead.");
WARN_DEPRECATED;
ERR_FAIL_COND(p_friction < 0 || p_friction > 1);
if (physics_material_override.is_null()) {
physics_material_override.instance();
set_physics_material_override(physics_material_override);
}
physics_material_override->set_friction(p_friction);
}
real_t StaticBody2D::get_friction() const {
ERR_EXPLAIN("The method get_friction has been deprecated and will be removed in the future, use physics material instead.");
WARN_DEPRECATED;
if (physics_material_override.is_null()) {
return 1;
}
return physics_material_override->get_friction();
}
void StaticBody2D::set_bounce(real_t p_bounce) {
if (p_bounce == 0.0 && physics_material_override.is_null()) { // default value, don't create an override for that
return;
}
ERR_EXPLAIN("The method set_bounce has been deprecated and will be removed in the future, use physics material instead.");
WARN_DEPRECATED;
ERR_FAIL_COND(p_bounce < 0 || p_bounce > 1);
if (physics_material_override.is_null()) {
physics_material_override.instance();
set_physics_material_override(physics_material_override);
}
physics_material_override->set_bounce(p_bounce);
}
real_t StaticBody2D::get_bounce() const {
ERR_EXPLAIN("The method get_bounce has been deprecated and will be removed in the future, use physics material instead.");
WARN_DEPRECATED;
if (physics_material_override.is_null()) {
return 0;
}
return physics_material_override->get_bounce();
}
#endif // DISABLE_DEPRECATED
void StaticBody2D::set_physics_material_override(const Ref<PhysicsMaterial> &p_physics_material_override) {
if (physics_material_override.is_valid()) {
if (physics_material_override->is_connected(CoreStringNames::get_singleton()->changed, this, "_reload_physics_characteristics"))
physics_material_override->disconnect(CoreStringNames::get_singleton()->changed, this, "_reload_physics_characteristics");
}
physics_material_override = p_physics_material_override;
if (physics_material_override.is_valid()) {
physics_material_override->connect(CoreStringNames::get_singleton()->changed, this, "_reload_physics_characteristics");
}
_reload_physics_characteristics();
}
Ref<PhysicsMaterial> StaticBody2D::get_physics_material_override() const {
return physics_material_override;
}
void StaticBody2D::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_constant_linear_velocity", "vel"), &StaticBody2D::set_constant_linear_velocity);
ClassDB::bind_method(D_METHOD("set_constant_angular_velocity", "vel"), &StaticBody2D::set_constant_angular_velocity);
ClassDB::bind_method(D_METHOD("get_constant_linear_velocity"), &StaticBody2D::get_constant_linear_velocity);
ClassDB::bind_method(D_METHOD("get_constant_angular_velocity"), &StaticBody2D::get_constant_angular_velocity);
#ifndef DISABLE_DEPRECATED
ClassDB::bind_method(D_METHOD("set_friction", "friction"), &StaticBody2D::set_friction);
ClassDB::bind_method(D_METHOD("get_friction"), &StaticBody2D::get_friction);
ClassDB::bind_method(D_METHOD("set_bounce", "bounce"), &StaticBody2D::set_bounce);
ClassDB::bind_method(D_METHOD("get_bounce"), &StaticBody2D::get_bounce);
#endif // DISABLE_DEPRECATED
ClassDB::bind_method(D_METHOD("set_physics_material_override", "physics_material_override"), &StaticBody2D::set_physics_material_override);
ClassDB::bind_method(D_METHOD("get_physics_material_override"), &StaticBody2D::get_physics_material_override);
ClassDB::bind_method(D_METHOD("_reload_physics_characteristics"), &StaticBody2D::_reload_physics_characteristics);
ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "constant_linear_velocity"), "set_constant_linear_velocity", "get_constant_linear_velocity");
ADD_PROPERTY(PropertyInfo(Variant::REAL, "constant_angular_velocity"), "set_constant_angular_velocity", "get_constant_angular_velocity");
#ifndef DISABLE_DEPRECATED
ADD_PROPERTY(PropertyInfo(Variant::REAL, "friction", PROPERTY_HINT_RANGE, "0,1,0.01", 0), "set_friction", "get_friction");
ADD_PROPERTY(PropertyInfo(Variant::REAL, "bounce", PROPERTY_HINT_RANGE, "0,1,0.01", 0), "set_bounce", "get_bounce");
#endif // DISABLE_DEPRECATED
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "physics_material_override", PROPERTY_HINT_RESOURCE_TYPE, "PhysicsMaterial"), "set_physics_material_override", "get_physics_material_override");
}
StaticBody2D::StaticBody2D() :
PhysicsBody2D(Physics2DServer::BODY_MODE_STATIC) {
constant_angular_velocity = 0;
}
StaticBody2D::~StaticBody2D() {
}
void StaticBody2D::_reload_physics_characteristics() {
if (physics_material_override.is_null()) {
Physics2DServer::get_singleton()->body_set_param(get_rid(), Physics2DServer::BODY_PARAM_BOUNCE, 0);
Physics2DServer::get_singleton()->body_set_param(get_rid(), Physics2DServer::BODY_PARAM_FRICTION, 1);
} else {
Physics2DServer::get_singleton()->body_set_param(get_rid(), Physics2DServer::BODY_PARAM_BOUNCE, physics_material_override->computed_bounce());
Physics2DServer::get_singleton()->body_set_param(get_rid(), Physics2DServer::BODY_PARAM_FRICTION, physics_material_override->computed_friction());
}
}
void RigidBody2D::_body_enter_tree(ObjectID p_id) {
Object *obj = ObjectDB::get_instance(p_id);
Node *node = Object::cast_to<Node>(obj);
ERR_FAIL_COND(!node);
ERR_FAIL_COND(!contact_monitor);
Map<ObjectID, BodyState>::Element *E = contact_monitor->body_map.find(p_id);
ERR_FAIL_COND(!E);
ERR_FAIL_COND(E->get().in_scene);
contact_monitor->locked = true;
E->get().in_scene = true;
emit_signal(SceneStringNames::get_singleton()->body_entered, node);
for (int i = 0; i < E->get().shapes.size(); i++) {
emit_signal(SceneStringNames::get_singleton()->body_shape_entered, p_id, node, E->get().shapes[i].body_shape, E->get().shapes[i].local_shape);
}
contact_monitor->locked = false;
}
void RigidBody2D::_body_exit_tree(ObjectID p_id) {
Object *obj = ObjectDB::get_instance(p_id);
Node *node = Object::cast_to<Node>(obj);
ERR_FAIL_COND(!node);
ERR_FAIL_COND(!contact_monitor);
Map<ObjectID, BodyState>::Element *E = contact_monitor->body_map.find(p_id);
ERR_FAIL_COND(!E);
ERR_FAIL_COND(!E->get().in_scene);
E->get().in_scene = false;
contact_monitor->locked = true;
emit_signal(SceneStringNames::get_singleton()->body_exited, node);
for (int i = 0; i < E->get().shapes.size(); i++) {
emit_signal(SceneStringNames::get_singleton()->body_shape_exited, p_id, node, E->get().shapes[i].body_shape, E->get().shapes[i].local_shape);
}
contact_monitor->locked = false;
}
void RigidBody2D::_body_inout(int p_status, ObjectID p_instance, int p_body_shape, int p_local_shape) {
bool body_in = p_status == 1;
ObjectID objid = p_instance;
Object *obj = ObjectDB::get_instance(objid);
Node *node = Object::cast_to<Node>(obj);
ERR_FAIL_COND(!contact_monitor);
Map<ObjectID, BodyState>::Element *E = contact_monitor->body_map.find(objid);
ERR_FAIL_COND(!body_in && !E);
if (body_in) {
if (!E) {
E = contact_monitor->body_map.insert(objid, BodyState());
//E->get().rc=0;
E->get().in_scene = node && node->is_inside_tree();
if (node) {
node->connect(SceneStringNames::get_singleton()->tree_entered, this, SceneStringNames::get_singleton()->_body_enter_tree, make_binds(objid));
node->connect(SceneStringNames::get_singleton()->tree_exiting, this, SceneStringNames::get_singleton()->_body_exit_tree, make_binds(objid));
if (E->get().in_scene) {
emit_signal(SceneStringNames::get_singleton()->body_entered, node);
}
}
//E->get().rc++;
}
if (node)
E->get().shapes.insert(ShapePair(p_body_shape, p_local_shape));
if (E->get().in_scene) {
emit_signal(SceneStringNames::get_singleton()->body_shape_entered, objid, node, p_body_shape, p_local_shape);
}
} else {
//E->get().rc--;
if (node)
E->get().shapes.erase(ShapePair(p_body_shape, p_local_shape));
bool in_scene = E->get().in_scene;
if (E->get().shapes.empty()) {
if (node) {
node->disconnect(SceneStringNames::get_singleton()->tree_entered, this, SceneStringNames::get_singleton()->_body_enter_tree);
node->disconnect(SceneStringNames::get_singleton()->tree_exiting, this, SceneStringNames::get_singleton()->_body_exit_tree);
if (in_scene)
emit_signal(SceneStringNames::get_singleton()->body_exited, node);
}
contact_monitor->body_map.erase(E);
}
if (node && in_scene) {
emit_signal(SceneStringNames::get_singleton()->body_shape_exited, objid, node, p_body_shape, p_local_shape);
}
}
}
struct _RigidBody2DInOut {
ObjectID id;
int shape;
int local_shape;
};
bool RigidBody2D::_test_motion(const Vector2 &p_motion, bool p_infinite_inertia, float p_margin, const Ref<Physics2DTestMotionResult> &p_result) {
Physics2DServer::MotionResult *r = NULL;
if (p_result.is_valid())
r = p_result->get_result_ptr();
return Physics2DServer::get_singleton()->body_test_motion(get_rid(), get_global_transform(), p_motion, p_infinite_inertia, p_margin, r);
}
void RigidBody2D::_direct_state_changed(Object *p_state) {
#ifdef DEBUG_ENABLED
state = Object::cast_to<Physics2DDirectBodyState>(p_state);
#else
state = (Physics2DDirectBodyState *)p_state; //trust it
#endif
set_block_transform_notify(true); // don't want notify (would feedback loop)
if (mode != MODE_KINEMATIC)
set_global_transform(state->get_transform());
linear_velocity = state->get_linear_velocity();
angular_velocity = state->get_angular_velocity();
if (sleeping != state->is_sleeping()) {
sleeping = state->is_sleeping();
emit_signal(SceneStringNames::get_singleton()->sleeping_state_changed);
}
if (get_script_instance())
get_script_instance()->call("_integrate_forces", state);
set_block_transform_notify(false); // want it back
if (contact_monitor) {
contact_monitor->locked = true;
//untag all
int rc = 0;
for (Map<ObjectID, BodyState>::Element *E = contact_monitor->body_map.front(); E; E = E->next()) {
for (int i = 0; i < E->get().shapes.size(); i++) {
E->get().shapes[i].tagged = false;
rc++;
}
}
_RigidBody2DInOut *toadd = (_RigidBody2DInOut *)alloca(state->get_contact_count() * sizeof(_RigidBody2DInOut));
int toadd_count = 0; //state->get_contact_count();
RigidBody2D_RemoveAction *toremove = (RigidBody2D_RemoveAction *)alloca(rc * sizeof(RigidBody2D_RemoveAction));
int toremove_count = 0;
//put the ones to add
for (int i = 0; i < state->get_contact_count(); i++) {
ObjectID obj = state->get_contact_collider_id(i);
int local_shape = state->get_contact_local_shape(i);
int shape = state->get_contact_collider_shape(i);
//bool found=false;
Map<ObjectID, BodyState>::Element *E = contact_monitor->body_map.find(obj);
if (!E) {
toadd[toadd_count].local_shape = local_shape;
toadd[toadd_count].id = obj;
toadd[toadd_count].shape = shape;
toadd_count++;
continue;
}
ShapePair sp(shape, local_shape);
int idx = E->get().shapes.find(sp);
if (idx == -1) {
toadd[toadd_count].local_shape = local_shape;
toadd[toadd_count].id = obj;
toadd[toadd_count].shape = shape;
toadd_count++;
continue;
}
E->get().shapes[idx].tagged = true;
}
//put the ones to remove
for (Map<ObjectID, BodyState>::Element *E = contact_monitor->body_map.front(); E; E = E->next()) {
for (int i = 0; i < E->get().shapes.size(); i++) {
if (!E->get().shapes[i].tagged) {
toremove[toremove_count].body_id = E->key();
toremove[toremove_count].pair = E->get().shapes[i];
toremove_count++;
}
}
}
//process remotions
for (int i = 0; i < toremove_count; i++) {
_body_inout(0, toremove[i].body_id, toremove[i].pair.body_shape, toremove[i].pair.local_shape);
}
//process aditions
for (int i = 0; i < toadd_count; i++) {
_body_inout(1, toadd[i].id, toadd[i].shape, toadd[i].local_shape);
}
contact_monitor->locked = false;
}
state = NULL;
}
void RigidBody2D::set_mode(Mode p_mode) {
mode = p_mode;
switch (p_mode) {
case MODE_RIGID: {
Physics2DServer::get_singleton()->body_set_mode(get_rid(), Physics2DServer::BODY_MODE_RIGID);
} break;
case MODE_STATIC: {
Physics2DServer::get_singleton()->body_set_mode(get_rid(), Physics2DServer::BODY_MODE_STATIC);
} break;
case MODE_KINEMATIC: {
Physics2DServer::get_singleton()->body_set_mode(get_rid(), Physics2DServer::BODY_MODE_KINEMATIC);
} break;
case MODE_CHARACTER: {
Physics2DServer::get_singleton()->body_set_mode(get_rid(), Physics2DServer::BODY_MODE_CHARACTER);
} break;
}
}
RigidBody2D::Mode RigidBody2D::get_mode() const {
return mode;
}
void RigidBody2D::set_mass(real_t p_mass) {
ERR_FAIL_COND(p_mass <= 0);
mass = p_mass;
_change_notify("mass");
_change_notify("weight");
Physics2DServer::get_singleton()->body_set_param(get_rid(), Physics2DServer::BODY_PARAM_MASS, mass);
}
real_t RigidBody2D::get_mass() const {
return mass;
}
void RigidBody2D::set_inertia(real_t p_inertia) {
ERR_FAIL_COND(p_inertia <= 0);
Physics2DServer::get_singleton()->body_set_param(get_rid(), Physics2DServer::BODY_PARAM_INERTIA, p_inertia);
}
real_t RigidBody2D::get_inertia() const {
return Physics2DServer::get_singleton()->body_get_param(get_rid(), Physics2DServer::BODY_PARAM_INERTIA);
}
void RigidBody2D::set_weight(real_t p_weight) {
set_mass(p_weight / (real_t(GLOBAL_DEF("physics/2d/default_gravity", 98)) / 10));
}
real_t RigidBody2D::get_weight() const {
return mass * (real_t(GLOBAL_DEF("physics/2d/default_gravity", 98)) / 10);
}
#ifndef DISABLE_DEPRECATED
void RigidBody2D::set_friction(real_t p_friction) {
if (p_friction == 1.0 && physics_material_override.is_null()) { // default value, don't create an override for that
return;
}
ERR_EXPLAIN("The method set_friction has been deprecated and will be removed in the future, use physics material instead.");
WARN_DEPRECATED;
ERR_FAIL_COND(p_friction < 0 || p_friction > 1);
if (physics_material_override.is_null()) {
physics_material_override.instance();
set_physics_material_override(physics_material_override);
}
physics_material_override->set_friction(p_friction);
}
real_t RigidBody2D::get_friction() const {
ERR_EXPLAIN("The method get_friction has been deprecated and will be removed in the future, use physics material instead.");
WARN_DEPRECATED;
if (physics_material_override.is_null()) {
return 1;
}
return physics_material_override->get_friction();
}
void RigidBody2D::set_bounce(real_t p_bounce) {
if (p_bounce == 0.0 && physics_material_override.is_null()) { // default value, don't create an override for that
return;
}
ERR_EXPLAIN("The method set_bounce has been deprecated and will be removed in the future, use physics material instead.");
WARN_DEPRECATED;
ERR_FAIL_COND(p_bounce < 0 || p_bounce > 1);
if (physics_material_override.is_null()) {
physics_material_override.instance();
set_physics_material_override(physics_material_override);
}
physics_material_override->set_bounce(p_bounce);
}
real_t RigidBody2D::get_bounce() const {
ERR_EXPLAIN("The method get_bounce has been deprecated and will be removed in the future, use physics material instead.");
WARN_DEPRECATED;
if (physics_material_override.is_null()) {
return 0;
}
return physics_material_override->get_bounce();
}
#endif // DISABLE_DEPRECATED
void RigidBody2D::set_physics_material_override(const Ref<PhysicsMaterial> &p_physics_material_override) {
if (physics_material_override.is_valid()) {
if (physics_material_override->is_connected(CoreStringNames::get_singleton()->changed, this, "_reload_physics_characteristics"))
physics_material_override->disconnect(CoreStringNames::get_singleton()->changed, this, "_reload_physics_characteristics");
}
physics_material_override = p_physics_material_override;
if (physics_material_override.is_valid()) {
physics_material_override->connect(CoreStringNames::get_singleton()->changed, this, "_reload_physics_characteristics");
}
_reload_physics_characteristics();
}
Ref<PhysicsMaterial> RigidBody2D::get_physics_material_override() const {
return physics_material_override;
}
void RigidBody2D::set_gravity_scale(real_t p_gravity_scale) {
gravity_scale = p_gravity_scale;
Physics2DServer::get_singleton()->body_set_param(get_rid(), Physics2DServer::BODY_PARAM_GRAVITY_SCALE, gravity_scale);
}
real_t RigidBody2D::get_gravity_scale() const {
return gravity_scale;
}
void RigidBody2D::set_linear_damp(real_t p_linear_damp) {
ERR_FAIL_COND(p_linear_damp < -1);
linear_damp = p_linear_damp;
Physics2DServer::get_singleton()->body_set_param(get_rid(), Physics2DServer::BODY_PARAM_LINEAR_DAMP, linear_damp);
}
real_t RigidBody2D::get_linear_damp() const {
return linear_damp;
}
void RigidBody2D::set_angular_damp(real_t p_angular_damp) {
ERR_FAIL_COND(p_angular_damp < -1);
angular_damp = p_angular_damp;
Physics2DServer::get_singleton()->body_set_param(get_rid(), Physics2DServer::BODY_PARAM_ANGULAR_DAMP, angular_damp);
}
real_t RigidBody2D::get_angular_damp() const {
return angular_damp;
}
void RigidBody2D::set_axis_velocity(const Vector2 &p_axis) {
Vector2 v = state ? state->get_linear_velocity() : linear_velocity;
Vector2 axis = p_axis.normalized();
v -= axis * axis.dot(v);
v += p_axis;
if (state) {
set_linear_velocity(v);
} else {
Physics2DServer::get_singleton()->body_set_axis_velocity(get_rid(), p_axis);
linear_velocity = v;
}
}
void RigidBody2D::set_linear_velocity(const Vector2 &p_velocity) {
linear_velocity = p_velocity;
if (state)
state->set_linear_velocity(linear_velocity);
else {
Physics2DServer::get_singleton()->body_set_state(get_rid(), Physics2DServer::BODY_STATE_LINEAR_VELOCITY, linear_velocity);
}
}
Vector2 RigidBody2D::get_linear_velocity() const {
return linear_velocity;
}
void RigidBody2D::set_angular_velocity(real_t p_velocity) {
angular_velocity = p_velocity;
if (state)
state->set_angular_velocity(angular_velocity);
else
Physics2DServer::get_singleton()->body_set_state(get_rid(), Physics2DServer::BODY_STATE_ANGULAR_VELOCITY, angular_velocity);
}
real_t RigidBody2D::get_angular_velocity() const {
return angular_velocity;
}
void RigidBody2D::set_use_custom_integrator(bool p_enable) {
if (custom_integrator == p_enable)
return;
custom_integrator = p_enable;
Physics2DServer::get_singleton()->body_set_omit_force_integration(get_rid(), p_enable);
}
bool RigidBody2D::is_using_custom_integrator() {
return custom_integrator;
}
void RigidBody2D::set_sleeping(bool p_sleeping) {
sleeping = p_sleeping;
Physics2DServer::get_singleton()->body_set_state(get_rid(), Physics2DServer::BODY_STATE_SLEEPING, sleeping);
}
void RigidBody2D::set_can_sleep(bool p_active) {
can_sleep = p_active;
Physics2DServer::get_singleton()->body_set_state(get_rid(), Physics2DServer::BODY_STATE_CAN_SLEEP, p_active);
}
bool RigidBody2D::is_able_to_sleep() const {
return can_sleep;
}
bool RigidBody2D::is_sleeping() const {
return sleeping;
}
void RigidBody2D::set_max_contacts_reported(int p_amount) {
max_contacts_reported = p_amount;
Physics2DServer::get_singleton()->body_set_max_contacts_reported(get_rid(), p_amount);
}
int RigidBody2D::get_max_contacts_reported() const {
return max_contacts_reported;
}
void RigidBody2D::apply_central_impulse(const Vector2 &p_impulse) {
Physics2DServer::get_singleton()->body_apply_central_impulse(get_rid(), p_impulse);
}
void RigidBody2D::apply_impulse(const Vector2 &p_offset, const Vector2 &p_impulse) {
Physics2DServer::get_singleton()->body_apply_impulse(get_rid(), p_offset, p_impulse);
}
void RigidBody2D::apply_torque_impulse(float p_torque) {
Physics2DServer::get_singleton()->body_apply_torque_impulse(get_rid(), p_torque);
}
void RigidBody2D::set_applied_force(const Vector2 &p_force) {
Physics2DServer::get_singleton()->body_set_applied_force(get_rid(), p_force);
};
Vector2 RigidBody2D::get_applied_force() const {
return Physics2DServer::get_singleton()->body_get_applied_force(get_rid());
};
void RigidBody2D::set_applied_torque(const float p_torque) {
Physics2DServer::get_singleton()->body_set_applied_torque(get_rid(), p_torque);
};
float RigidBody2D::get_applied_torque() const {
return Physics2DServer::get_singleton()->body_get_applied_torque(get_rid());
};
void RigidBody2D::add_central_force(const Vector2 &p_force) {
Physics2DServer::get_singleton()->body_add_central_force(get_rid(), p_force);
}
void RigidBody2D::add_force(const Vector2 &p_offset, const Vector2 &p_force) {
Physics2DServer::get_singleton()->body_add_force(get_rid(), p_offset, p_force);
}
void RigidBody2D::add_torque(const float p_torque) {
Physics2DServer::get_singleton()->body_add_torque(get_rid(), p_torque);
}
void RigidBody2D::set_continuous_collision_detection_mode(CCDMode p_mode) {
ccd_mode = p_mode;
Physics2DServer::get_singleton()->body_set_continuous_collision_detection_mode(get_rid(), Physics2DServer::CCDMode(p_mode));
}
RigidBody2D::CCDMode RigidBody2D::get_continuous_collision_detection_mode() const {
return ccd_mode;
}
Array RigidBody2D::get_colliding_bodies() const {
ERR_FAIL_COND_V(!contact_monitor, Array());
Array ret;
ret.resize(contact_monitor->body_map.size());
int idx = 0;
for (const Map<ObjectID, BodyState>::Element *E = contact_monitor->body_map.front(); E; E = E->next()) {
Object *obj = ObjectDB::get_instance(E->key());
if (!obj) {
ret.resize(ret.size() - 1); //ops
} else {
ret[idx++] = obj;
}
}
return ret;
}
void RigidBody2D::set_contact_monitor(bool p_enabled) {
if (p_enabled == is_contact_monitor_enabled())
return;
if (!p_enabled) {
if (contact_monitor->locked) {
ERR_EXPLAIN("Can't disable contact monitoring during in/out callback. Use call_deferred(\"set_contact_monitor\",false) instead");
}
ERR_FAIL_COND(contact_monitor->locked);
for (Map<ObjectID, BodyState>::Element *E = contact_monitor->body_map.front(); E; E = E->next()) {
//clean up mess
Object *obj = ObjectDB::get_instance(E->key());
Node *node = Object::cast_to<Node>(obj);
if (node) {
node->disconnect(SceneStringNames::get_singleton()->tree_entered, this, SceneStringNames::get_singleton()->_body_enter_tree);
node->disconnect(SceneStringNames::get_singleton()->tree_exiting, this, SceneStringNames::get_singleton()->_body_exit_tree);
}
}
memdelete(contact_monitor);
contact_monitor = NULL;
} else {
contact_monitor = memnew(ContactMonitor);
contact_monitor->locked = false;
}
}
bool RigidBody2D::is_contact_monitor_enabled() const {
return contact_monitor != NULL;
}
void RigidBody2D::_notification(int p_what) {
#ifdef TOOLS_ENABLED
if (p_what == NOTIFICATION_ENTER_TREE) {
if (Engine::get_singleton()->is_editor_hint()) {
set_notify_local_transform(true); //used for warnings and only in editor
}
}
if (p_what == NOTIFICATION_LOCAL_TRANSFORM_CHANGED) {
if (Engine::get_singleton()->is_editor_hint()) {
update_configuration_warning();
}
}
#endif
}
String RigidBody2D::get_configuration_warning() const {
Transform2D t = get_transform();
String warning = CollisionObject2D::get_configuration_warning();
if ((get_mode() == MODE_RIGID || get_mode() == MODE_CHARACTER) && (ABS(t.elements[0].length() - 1.0) > 0.05 || ABS(t.elements[1].length() - 1.0) > 0.05)) {
if (warning != String()) {
warning += "\n\n";
}
warning += TTR("Size changes to RigidBody2D (in character or rigid modes) will be overridden by the physics engine when running.\nChange the size in children collision shapes instead.");
}
return warning;
}
void RigidBody2D::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_mode", "mode"), &RigidBody2D::set_mode);
ClassDB::bind_method(D_METHOD("get_mode"), &RigidBody2D::get_mode);
ClassDB::bind_method(D_METHOD("set_mass", "mass"), &RigidBody2D::set_mass);
ClassDB::bind_method(D_METHOD("get_mass"), &RigidBody2D::get_mass);
ClassDB::bind_method(D_METHOD("get_inertia"), &RigidBody2D::get_inertia);
ClassDB::bind_method(D_METHOD("set_inertia", "inertia"), &RigidBody2D::set_inertia);
ClassDB::bind_method(D_METHOD("set_weight", "weight"), &RigidBody2D::set_weight);
ClassDB::bind_method(D_METHOD("get_weight"), &RigidBody2D::get_weight);
#ifndef DISABLE_DEPRECATED
ClassDB::bind_method(D_METHOD("set_friction", "friction"), &RigidBody2D::set_friction);
ClassDB::bind_method(D_METHOD("get_friction"), &RigidBody2D::get_friction);
ClassDB::bind_method(D_METHOD("set_bounce", "bounce"), &RigidBody2D::set_bounce);
ClassDB::bind_method(D_METHOD("get_bounce"), &RigidBody2D::get_bounce);
#endif // DISABLE_DEPRECATED
ClassDB::bind_method(D_METHOD("set_physics_material_override", "physics_material_override"), &RigidBody2D::set_physics_material_override);
ClassDB::bind_method(D_METHOD("get_physics_material_override"), &RigidBody2D::get_physics_material_override);
ClassDB::bind_method(D_METHOD("_reload_physics_characteristics"), &RigidBody2D::_reload_physics_characteristics);