448 lines
16 KiB
C++
448 lines
16 KiB
C++
/*************************************************************************/
|
|
/* joint_2d.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 "joint_2d.h"
|
|
|
|
#include "physics_body_2d.h"
|
|
#include "scene/scene_string_names.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() {
|
|
_disconnect_signals();
|
|
_update_joint(true);
|
|
}
|
|
|
|
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();
|
|
update_configuration_warnings();
|
|
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);
|
|
|
|
bool valid = false;
|
|
|
|
if (node_a && !body_a && node_b && !body_b) {
|
|
warning = TTR("Node A and Node B must be PhysicsBody2Ds");
|
|
} else if (node_a && !body_a) {
|
|
warning = TTR("Node A must be a PhysicsBody2D");
|
|
} else if (node_b && !body_b) {
|
|
warning = TTR("Node B must be a PhysicsBody2D");
|
|
} else if (!body_a || !body_b) {
|
|
warning = TTR("Joint is not connected to two PhysicsBody2Ds");
|
|
} else if (body_a == body_b) {
|
|
warning = TTR("Node A and Node B must be different PhysicsBody2Ds");
|
|
} else {
|
|
warning = String();
|
|
valid = true;
|
|
}
|
|
|
|
update_configuration_warnings();
|
|
|
|
if (!valid) {
|
|
PhysicsServer2D::get_singleton()->joint_clear(joint);
|
|
return;
|
|
}
|
|
|
|
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));
|
|
body_b->connect(SceneStringNames::get_singleton()->tree_exiting, callable_mp(this, &Joint2D::_body_exit_tree));
|
|
|
|
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 (is_configured()) {
|
|
_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 (is_configured()) {
|
|
_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_POST_ENTER_TREE: {
|
|
if (is_configured()) {
|
|
_disconnect_signals();
|
|
}
|
|
_update_joint();
|
|
} break;
|
|
|
|
case NOTIFICATION_EXIT_TREE: {
|
|
if (is_configured()) {
|
|
_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;
|
|
}
|
|
|
|
TypedArray<String> Joint2D::get_configuration_warnings() const {
|
|
TypedArray<String> warnings = Node2D::get_configuration_warnings();
|
|
|
|
if (!warning.is_empty()) {
|
|
warnings.push_back(warning);
|
|
}
|
|
|
|
return warnings;
|
|
}
|
|
|
|
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_position(), 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_RANGE, "0.00,16,0.01,exp"), "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_RANGE, "1,65535,1,exp"), "set_length", "get_length");
|
|
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "initial_offset", PROPERTY_HINT_RANGE, "1,65535,1,exp"), "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_RANGE, "1,65535,1,exp"), "set_length", "get_length");
|
|
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "rest_length", PROPERTY_HINT_RANGE, "0,65535,1,exp"), "set_rest_length", "get_rest_length");
|
|
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "stiffness", PROPERTY_HINT_RANGE, "0.1,64,0.1,exp"), "set_stiffness", "get_stiffness");
|
|
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "damping", PROPERTY_HINT_RANGE, "0.01,16,0.01,exp"), "set_damping", "get_damping");
|
|
}
|
|
|
|
DampedSpringJoint2D::DampedSpringJoint2D() {
|
|
}
|