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8b19ffd810
godot/scene/2d/joints_2d.cpp
reduz 8b19ffd810 Make Servers truly Thread Safe 
-Rendering server now uses a split RID allocate/initialize internally, this allows generating RIDs immediately but initialization to happen later on the proper thread (as rendering APIs generally requiere to call on the right thread).
-RenderingServerWrapMT is no more, multithreading is done in RenderingServerDefault.
-Some functions like texture or mesh creation, when renderer supports it, can register and return immediately (so no waiting for server API to flush, and saving staging and command buffer memory).
-3D physics server changed to be made multithread friendly.
-Added PhysicsServer3DWrapMT to use 3D physics server from multiple threads.
-Disablet Bullet (too much effort to make multithread friendly, this needs to be fixed eventually).
2021-02-10 13:21:46 -03:00

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/*************************************************************************/
/* joints_2d.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 "joints_2d.h"
#include "core/config/engine.h"
#include "physics_body_2d.h"
#include "scene/scene_string_names.h"
#include "servers/physics_server_2d.h"
void Joint2D::_disconnect_signals() {
Node *node_a = get_node_or_null(a);
PhysicsBody2D *body_a = Object::cast_to<PhysicsBody2D>(node_a);
if (body_a) {
body_a->disconnect(SceneStringNames::get_singleton()->tree_exiting, callable_mp(this, &Joint2D::_body_exit_tree));
}
Node *node_b = get_node_or_null(b);
PhysicsBody2D *body_b = Object::cast_to<PhysicsBody2D>(node_b);
if (body_b) {
body_b->disconnect(SceneStringNames::get_singleton()->tree_exiting, callable_mp(this, &Joint2D::_body_exit_tree));
}
}
void Joint2D::_body_exit_tree(const ObjectID &p_body_id) {
_disconnect_signals();
Object *object = ObjectDB::get_instance(p_body_id);
PhysicsBody2D *body = Object::cast_to<PhysicsBody2D>(object);
ERR_FAIL_NULL(body);
RID body_rid = body->get_rid();
if (ba == body_rid) {
a = NodePath();
}
if (bb == body_rid) {
b = NodePath();
}
_update_joint();
}
void Joint2D::_update_joint(bool p_only_free) {
if (ba.is_valid() && bb.is_valid() && exclude_from_collision) {
PhysicsServer2D::get_singleton()->joint_disable_collisions_between_bodies(joint, false);
}
ba = RID();
bb = RID();
configured = false;
if (p_only_free || !is_inside_tree()) {
PhysicsServer2D::get_singleton()->joint_clear(joint);
warning = String();
return;
}
Node *node_a = get_node_or_null(a);
Node *node_b = get_node_or_null(b);
PhysicsBody2D *body_a = Object::cast_to<PhysicsBody2D>(node_a);
PhysicsBody2D *body_b = Object::cast_to<PhysicsBody2D>(node_b);
if (node_a && !body_a && node_b && !body_b) {
PhysicsServer2D::get_singleton()->joint_clear(joint);
warning = TTR("Node A and Node B must be PhysicsBody2Ds");
update_configuration_warning();
return;
}
if (node_a && !body_a) {
PhysicsServer2D::get_singleton()->joint_clear(joint);
warning = TTR("Node A must be a PhysicsBody2D");
update_configuration_warning();
return;
}
if (node_b && !body_b) {
PhysicsServer2D::get_singleton()->joint_clear(joint);
warning = TTR("Node B must be a PhysicsBody2D");
update_configuration_warning();
return;
}
if (!body_a || !body_b) {
PhysicsServer2D::get_singleton()->joint_clear(joint);
warning = TTR("Joint is not connected to two PhysicsBody2Ds");
update_configuration_warning();
return;
}
if (body_a == body_b) {
PhysicsServer2D::get_singleton()->joint_clear(joint);
warning = TTR("Node A and Node B must be different PhysicsBody2Ds");
update_configuration_warning();
return;
}
warning = String();
update_configuration_warning();
if (body_a) {
body_a->force_update_transform();
}
if (body_b) {
body_b->force_update_transform();
}
configured = true;
_configure_joint(joint, body_a, body_b);
ERR_FAIL_COND_MSG(!joint.is_valid(), "Failed to configure the joint.");
PhysicsServer2D::get_singleton()->get_singleton()->joint_set_param(joint, PhysicsServer2D::JOINT_PARAM_BIAS, bias);
ba = body_a->get_rid();
bb = body_b->get_rid();
body_a->connect(SceneStringNames::get_singleton()->tree_exiting, callable_mp(this, &Joint2D::_body_exit_tree), make_binds(body_a->get_instance_id()));
body_b->connect(SceneStringNames::get_singleton()->tree_exiting, callable_mp(this, &Joint2D::_body_exit_tree), make_binds(body_b->get_instance_id()));
PhysicsServer2D::get_singleton()->joint_disable_collisions_between_bodies(joint, exclude_from_collision);
}
void Joint2D::set_node_a(const NodePath &p_node_a) {
if (a == p_node_a) {
return;
}
if (joint.is_valid()) {
_disconnect_signals();
}
a = p_node_a;
_update_joint();
}
NodePath Joint2D::get_node_a() const {
return a;
}
void Joint2D::set_node_b(const NodePath &p_node_b) {
if (b == p_node_b) {
return;
}
if (joint.is_valid()) {
_disconnect_signals();
}
b = p_node_b;
_update_joint();
}
NodePath Joint2D::get_node_b() const {
return b;
}
void Joint2D::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_READY: {
_update_joint();
} break;
case NOTIFICATION_EXIT_TREE: {
if (joint.is_valid()) {
_disconnect_signals();
_update_joint(true);
}
} break;
}
}
void Joint2D::set_bias(real_t p_bias) {
bias = p_bias;
if (joint.is_valid()) {
PhysicsServer2D::get_singleton()->get_singleton()->joint_set_param(joint, PhysicsServer2D::JOINT_PARAM_BIAS, bias);
}
}
real_t Joint2D::get_bias() const {
return bias;
}
void Joint2D::set_exclude_nodes_from_collision(bool p_enable) {
if (exclude_from_collision == p_enable) {
return;
}
_update_joint(true);
exclude_from_collision = p_enable;
_update_joint();
}
bool Joint2D::get_exclude_nodes_from_collision() const {
return exclude_from_collision;
}
String Joint2D::get_configuration_warning() const {
String node_warning = Node2D::get_configuration_warning();
if (!warning.is_empty()) {
if (!node_warning.is_empty()) {
node_warning += "\n\n";
}
node_warning += warning;
}
return node_warning;
}
void Joint2D::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_node_a", "node"), &Joint2D::set_node_a);
ClassDB::bind_method(D_METHOD("get_node_a"), &Joint2D::get_node_a);
ClassDB::bind_method(D_METHOD("set_node_b", "node"), &Joint2D::set_node_b);
ClassDB::bind_method(D_METHOD("get_node_b"), &Joint2D::get_node_b);
ClassDB::bind_method(D_METHOD("set_bias", "bias"), &Joint2D::set_bias);
ClassDB::bind_method(D_METHOD("get_bias"), &Joint2D::get_bias);
ClassDB::bind_method(D_METHOD("set_exclude_nodes_from_collision", "enable"), &Joint2D::set_exclude_nodes_from_collision);
ClassDB::bind_method(D_METHOD("get_exclude_nodes_from_collision"), &Joint2D::get_exclude_nodes_from_collision);
ADD_PROPERTY(PropertyInfo(Variant::NODE_PATH, "node_a", PROPERTY_HINT_NODE_PATH_VALID_TYPES, "PhysicsBody2D"), "set_node_a", "get_node_a");
ADD_PROPERTY(PropertyInfo(Variant::NODE_PATH, "node_b", PROPERTY_HINT_NODE_PATH_VALID_TYPES, "PhysicsBody2D"), "set_node_b", "get_node_b");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "bias", PROPERTY_HINT_RANGE, "0,0.9,0.001"), "set_bias", "get_bias");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "disable_collision"), "set_exclude_nodes_from_collision", "get_exclude_nodes_from_collision");
}
Joint2D::Joint2D() {
joint = PhysicsServer2D::get_singleton()->joint_create();
}
Joint2D::~Joint2D() {
PhysicsServer2D::get_singleton()->free(joint);
}
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
void PinJoint2D::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_DRAW: {
if (!is_inside_tree()) {
break;
}
if (!Engine::get_singleton()->is_editor_hint() && !get_tree()->is_debugging_collisions_hint()) {
break;
}
draw_line(Point2(-10, 0), Point2(+10, 0), Color(0.7, 0.6, 0.0, 0.5), 3);
draw_line(Point2(0, -10), Point2(0, +10), Color(0.7, 0.6, 0.0, 0.5), 3);
} break;
}
}
void PinJoint2D::_configure_joint(RID p_joint, PhysicsBody2D *body_a, PhysicsBody2D *body_b) {
PhysicsServer2D::get_singleton()->joint_make_pin(p_joint, get_global_transform().get_origin(), body_a->get_rid(), body_b ? body_b->get_rid() : RID());
PhysicsServer2D::get_singleton()->pin_joint_set_param(p_joint, PhysicsServer2D::PIN_JOINT_SOFTNESS, softness);
}
void PinJoint2D::set_softness(real_t p_softness) {
softness = p_softness;
update();
if (is_configured()) {
PhysicsServer2D::get_singleton()->pin_joint_set_param(get_joint(), PhysicsServer2D::PIN_JOINT_SOFTNESS, p_softness);
}
}
real_t PinJoint2D::get_softness() const {
return softness;
}
void PinJoint2D::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_softness", "softness"), &PinJoint2D::set_softness);
ClassDB::bind_method(D_METHOD("get_softness"), &PinJoint2D::get_softness);
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "softness", PROPERTY_HINT_EXP_RANGE, "0.00,16,0.01"), "set_softness", "get_softness");
}
PinJoint2D::PinJoint2D() {
}
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
void GrooveJoint2D::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_DRAW: {
if (!is_inside_tree()) {
break;
}
if (!Engine::get_singleton()->is_editor_hint() && !get_tree()->is_debugging_collisions_hint()) {
break;
}
draw_line(Point2(-10, 0), Point2(+10, 0), Color(0.7, 0.6, 0.0, 0.5), 3);
draw_line(Point2(-10, length), Point2(+10, length), Color(0.7, 0.6, 0.0, 0.5), 3);
draw_line(Point2(0, 0), Point2(0, length), Color(0.7, 0.6, 0.0, 0.5), 3);
draw_line(Point2(-10, initial_offset), Point2(+10, initial_offset), Color(0.8, 0.8, 0.9, 0.5), 5);
} break;
}
}
void GrooveJoint2D::_configure_joint(RID p_joint, PhysicsBody2D *body_a, PhysicsBody2D *body_b) {
Transform2D gt = get_global_transform();
Vector2 groove_A1 = gt.get_origin();
Vector2 groove_A2 = gt.xform(Vector2(0, length));
Vector2 anchor_B = gt.xform(Vector2(0, initial_offset));
PhysicsServer2D::get_singleton()->joint_make_groove(p_joint, groove_A1, groove_A2, anchor_B, body_a->get_rid(), body_b->get_rid());
}
void GrooveJoint2D::set_length(real_t p_length) {
length = p_length;
update();
}
real_t GrooveJoint2D::get_length() const {
return length;
}
void GrooveJoint2D::set_initial_offset(real_t p_initial_offset) {
initial_offset = p_initial_offset;
update();
}
real_t GrooveJoint2D::get_initial_offset() const {
return initial_offset;
}
void GrooveJoint2D::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_length", "length"), &GrooveJoint2D::set_length);
ClassDB::bind_method(D_METHOD("get_length"), &GrooveJoint2D::get_length);
ClassDB::bind_method(D_METHOD("set_initial_offset", "offset"), &GrooveJoint2D::set_initial_offset);
ClassDB::bind_method(D_METHOD("get_initial_offset"), &GrooveJoint2D::get_initial_offset);
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "length", PROPERTY_HINT_EXP_RANGE, "1,65535,1"), "set_length", "get_length");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "initial_offset", PROPERTY_HINT_EXP_RANGE, "1,65535,1"), "set_initial_offset", "get_initial_offset");
}
GrooveJoint2D::GrooveJoint2D() {
}
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
void DampedSpringJoint2D::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_DRAW: {
if (!is_inside_tree()) {
break;
}
if (!Engine::get_singleton()->is_editor_hint() && !get_tree()->is_debugging_collisions_hint()) {
break;
}
draw_line(Point2(-10, 0), Point2(+10, 0), Color(0.7, 0.6, 0.0, 0.5), 3);
draw_line(Point2(-10, length), Point2(+10, length), Color(0.7, 0.6, 0.0, 0.5), 3);
draw_line(Point2(0, 0), Point2(0, length), Color(0.7, 0.6, 0.0, 0.5), 3);
} break;
}
}
void DampedSpringJoint2D::_configure_joint(RID p_joint, PhysicsBody2D *body_a, PhysicsBody2D *body_b) {
Transform2D gt = get_global_transform();
Vector2 anchor_A = gt.get_origin();
Vector2 anchor_B = gt.xform(Vector2(0, length));
PhysicsServer2D::get_singleton()->joint_make_damped_spring(p_joint, anchor_A, anchor_B, body_a->get_rid(), body_b->get_rid());
if (rest_length) {
PhysicsServer2D::get_singleton()->damped_spring_joint_set_param(p_joint, PhysicsServer2D::DAMPED_SPRING_REST_LENGTH, rest_length);
}
PhysicsServer2D::get_singleton()->damped_spring_joint_set_param(p_joint, PhysicsServer2D::DAMPED_SPRING_STIFFNESS, stiffness);
PhysicsServer2D::get_singleton()->damped_spring_joint_set_param(p_joint, PhysicsServer2D::DAMPED_SPRING_DAMPING, damping);
}
void DampedSpringJoint2D::set_length(real_t p_length) {
length = p_length;
update();
}
real_t DampedSpringJoint2D::get_length() const {
return length;
}
void DampedSpringJoint2D::set_rest_length(real_t p_rest_length) {
rest_length = p_rest_length;
update();
if (is_configured()) {
PhysicsServer2D::get_singleton()->damped_spring_joint_set_param(get_joint(), PhysicsServer2D::DAMPED_SPRING_REST_LENGTH, p_rest_length ? p_rest_length : length);
}
}
real_t DampedSpringJoint2D::get_rest_length() const {
return rest_length;
}
void DampedSpringJoint2D::set_stiffness(real_t p_stiffness) {
stiffness = p_stiffness;
update();
if (is_configured()) {
PhysicsServer2D::get_singleton()->damped_spring_joint_set_param(get_joint(), PhysicsServer2D::DAMPED_SPRING_STIFFNESS, p_stiffness);
}
}
real_t DampedSpringJoint2D::get_stiffness() const {
return stiffness;
}
void DampedSpringJoint2D::set_damping(real_t p_damping) {
damping = p_damping;
update();
if (is_configured()) {
PhysicsServer2D::get_singleton()->damped_spring_joint_set_param(get_joint(), PhysicsServer2D::DAMPED_SPRING_DAMPING, p_damping);
}
}
real_t DampedSpringJoint2D::get_damping() const {
return damping;
}
void DampedSpringJoint2D::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_length", "length"), &DampedSpringJoint2D::set_length);
ClassDB::bind_method(D_METHOD("get_length"), &DampedSpringJoint2D::get_length);
ClassDB::bind_method(D_METHOD("set_rest_length", "rest_length"), &DampedSpringJoint2D::set_rest_length);
ClassDB::bind_method(D_METHOD("get_rest_length"), &DampedSpringJoint2D::get_rest_length);
ClassDB::bind_method(D_METHOD("set_stiffness", "stiffness"), &DampedSpringJoint2D::set_stiffness);
ClassDB::bind_method(D_METHOD("get_stiffness"), &DampedSpringJoint2D::get_stiffness);
ClassDB::bind_method(D_METHOD("set_damping", "damping"), &DampedSpringJoint2D::set_damping);
ClassDB::bind_method(D_METHOD("get_damping"), &DampedSpringJoint2D::get_damping);
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "length", PROPERTY_HINT_EXP_RANGE, "1,65535,1"), "set_length", "get_length");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "rest_length", PROPERTY_HINT_EXP_RANGE, "0,65535,1"), "set_rest_length", "get_rest_length");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "stiffness", PROPERTY_HINT_EXP_RANGE, "0.1,64,0.1"), "set_stiffness", "get_stiffness");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "damping", PROPERTY_HINT_EXP_RANGE, "0.01,16,0.01"), "set_damping", "get_damping");
}
DampedSpringJoint2D::DampedSpringJoint2D() {
}
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