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-rw-r--r--scene/3d/physics_joint.cpp327
1 files changed, 327 insertions, 0 deletions
diff --git a/scene/3d/physics_joint.cpp b/scene/3d/physics_joint.cpp
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+/*************************************************************************/
+/* physics_joint.cpp */
+/*************************************************************************/
+/* This file is part of: */
+/* GODOT ENGINE */
+/* http://www.godotengine.org */
+/*************************************************************************/
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
+/* */
+/* 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_joint.h"
+
+#if 0
+
+void PhysicsJoint::_set(const String& p_name, const Variant& p_value) {
+
+ if (p_name=="body_A")
+ set_body_A(p_value);
+ else if (p_name=="body_B")
+ set_body_B(p_value);
+ else if (p_name=="active")
+ set_active(p_value);
+ else if (p_name=="no_collision")
+ set_disable_collision(p_value);
+}
+Variant PhysicsJoint::_get(const String& p_name) const {
+
+ if (p_name=="body_A")
+ return get_body_A();
+ else if (p_name=="body_B")
+ return get_body_B();
+ else if (p_name=="active")
+ return is_active();
+ else if (p_name=="no_collision")
+ return has_disable_collision();
+
+ return Variant();
+}
+void PhysicsJoint::_get_property_list( List<PropertyInfo> *p_list) const {
+
+
+ p_list->push_back( PropertyInfo( Variant::NODE_PATH, "body_A" ) );
+ p_list->push_back( PropertyInfo( Variant::NODE_PATH, "body_B" ) );
+ p_list->push_back( PropertyInfo( Variant::BOOL, "active" ) );
+ p_list->push_back( PropertyInfo( Variant::BOOL, "no_collision" ) );
+}
+void PhysicsJoint::_notification(int p_what) {
+
+
+ switch(p_what) {
+
+ case NOTIFICATION_PARENT_CONFIGURED: {
+
+ _connect();
+ if (get_root_node()->get_editor() && !indicator.is_valid()) {
+
+ indicator=VisualServer::get_singleton()->poly_create();
+ RID mat=VisualServer::get_singleton()->fixed_material_create();
+ VisualServer::get_singleton()->material_set_flag( mat, VisualServer::MATERIAL_FLAG_UNSHADED, true );
+ VisualServer::get_singleton()->material_set_flag( mat, VisualServer::MATERIAL_FLAG_ONTOP, true );
+ VisualServer::get_singleton()->material_set_flag( mat, VisualServer::MATERIAL_FLAG_WIREFRAME, true );
+ VisualServer::get_singleton()->material_set_flag( mat, VisualServer::MATERIAL_FLAG_DOUBLE_SIDED, true );
+ VisualServer::get_singleton()->material_set_line_width( mat, 3 );
+
+ VisualServer::get_singleton()->poly_set_material(indicator,mat,true);
+ _update_indicator();
+
+ }
+
+ if (indicator.is_valid()) {
+
+ indicator_instance=VisualServer::get_singleton()->instance_create(indicator,get_world()->get_scenario());
+ VisualServer::get_singleton()->instance_attach_object_instance_ID( indicator_instance,get_instance_ID() );
+ }
+ } break;
+ case NOTIFICATION_TRANSFORM_CHANGED: {
+
+ if (indicator_instance.is_valid()) {
+
+ VisualServer::get_singleton()->instance_set_transform(indicator_instance,get_global_transform());
+ }
+ } break;
+ case NOTIFICATION_EXIT_SCENE: {
+
+ if (indicator_instance.is_valid()) {
+
+ VisualServer::get_singleton()->free(indicator_instance);
+ }
+ _disconnect();
+
+ } break;
+
+ }
+}
+
+
+RID PhysicsJoint::_get_visual_instance_rid() const {
+
+ return indicator_instance;
+
+}
+
+void PhysicsJoint::_bind_methods() {
+
+ ObjectTypeDB::bind_method(_MD("_get_visual_instance_rid"),&PhysicsJoint::_get_visual_instance_rid);
+ ObjectTypeDB::bind_method(_MD("set_body_A","path"),&PhysicsJoint::set_body_A);
+ ObjectTypeDB::bind_method(_MD("set_body_B"),&PhysicsJoint::set_body_B);
+ ObjectTypeDB::bind_method(_MD("get_body_A","path"),&PhysicsJoint::get_body_A);
+ ObjectTypeDB::bind_method(_MD("get_body_B"),&PhysicsJoint::get_body_B);
+
+ ObjectTypeDB::bind_method(_MD("set_active","active"),&PhysicsJoint::set_active);
+ ObjectTypeDB::bind_method(_MD("is_active"),&PhysicsJoint::is_active);
+
+ ObjectTypeDB::bind_method(_MD("set_disable_collision","disable"),&PhysicsJoint::set_disable_collision);
+ ObjectTypeDB::bind_method(_MD("has_disable_collision"),&PhysicsJoint::has_disable_collision);
+
+
+ ObjectTypeDB::bind_method("reconnect",&PhysicsJoint::reconnect);
+
+ ObjectTypeDB::bind_method(_MD("get_rid"),&PhysicsJoint::get_rid);
+
+}
+
+void PhysicsJoint::set_body_A(const NodePath& p_path) {
+
+ _disconnect();
+ body_A=p_path;
+ _connect();
+ _change_notify("body_A");
+}
+void PhysicsJoint::set_body_B(const NodePath& p_path) {
+
+ _disconnect();
+ body_B=p_path;
+ _connect();
+ _change_notify("body_B");
+
+}
+NodePath PhysicsJoint::get_body_A() const {
+
+ return body_A;
+}
+NodePath PhysicsJoint::get_body_B() const {
+
+ return body_B;
+}
+
+void PhysicsJoint::set_active(bool p_active) {
+
+ active=p_active;
+ if (is_inside_scene()) {
+ PhysicsServer::get_singleton()->joint_set_active(joint,active);
+ }
+ _change_notify("active");
+}
+
+void PhysicsJoint::set_disable_collision(bool p_active) {
+
+ if (no_collision==p_active)
+ return;
+ _disconnect();
+ no_collision=p_active;
+ _connect();
+
+ _change_notify("no_collision");
+}
+bool PhysicsJoint::has_disable_collision() const {
+
+ return no_collision;
+}
+
+
+
+bool PhysicsJoint::is_active() const {
+
+ return active;
+}
+
+void PhysicsJoint::_disconnect() {
+
+ if (!is_inside_scene())
+ return;
+
+ if (joint.is_valid())
+ PhysicsServer::get_singleton()->free(joint);
+
+ joint=RID();
+
+ Node *nA = get_node(body_A);
+ Node *nB = get_node(body_B);
+
+ PhysicsBody *A = nA?nA->cast_to<PhysicsBody>():NULL;
+ PhysicsBody *B = nA?nB->cast_to<PhysicsBody>():NULL;
+
+ if (!A ||!B)
+ return;
+
+ if (no_collision)
+ PhysicsServer::get_singleton()->body_remove_collision_exception(A->get_body(),B->get_body());
+
+}
+void PhysicsJoint::_connect() {
+
+ if (!is_inside_scene())
+ return;
+
+ ERR_FAIL_COND(joint.is_valid());
+
+ Node *nA = get_node(body_A);
+ Node *nB = get_node(body_B);
+
+ PhysicsBody *A = nA?nA->cast_to<PhysicsBody>():NULL;
+ PhysicsBody *B = nA?nB->cast_to<PhysicsBody>():NULL;
+
+ if (!A && !B)
+ return;
+
+ if (B && !A)
+ SWAP(B,A);
+
+ joint = create(A,B);
+
+ if (A<B)
+ SWAP(A,B);
+
+ if (no_collision)
+ PhysicsServer::get_singleton()->body_add_collision_exception(A->get_body(),B->get_body());
+
+
+
+}
+
+void PhysicsJoint::reconnect() {
+
+ _disconnect();
+ _connect();
+
+}
+
+
+RID PhysicsJoint::get_rid() {
+
+ return joint;
+}
+
+
+PhysicsJoint::PhysicsJoint() {
+
+ active=true;
+ no_collision=true;
+}
+
+
+PhysicsJoint::~PhysicsJoint() {
+
+ if (indicator.is_valid()) {
+
+ VisualServer::get_singleton()->free(indicator);
+ }
+
+}
+
+/* PIN */
+
+void PhysicsJointPin::_update_indicator() {
+
+
+ VisualServer::get_singleton()->poly_clear(indicator);
+
+ Vector<Color> colors;
+ colors.push_back( Color(0.3,0.9,0.2,0.7) );
+ colors.push_back( Color(0.3,0.9,0.2,0.7) );
+
+ Vector<Vector3> points;
+ points.resize(2);
+ points[0]=Vector3(Vector3(-0.2,0,0));
+ points[1]=Vector3(Vector3(0.2,0,0));
+ VisualServer::get_singleton()->poly_add_primitive(indicator,points,Vector<Vector3>(),colors,Vector<Vector3>());
+
+ points[0]=Vector3(Vector3(0,-0.2,0));
+ points[1]=Vector3(Vector3(0,0.2,0));
+ VisualServer::get_singleton()->poly_add_primitive(indicator,points,Vector<Vector3>(),colors,Vector<Vector3>());
+
+ points[0]=Vector3(Vector3(0,0,-0.2));
+ points[1]=Vector3(Vector3(0,0,0.2));
+ VisualServer::get_singleton()->poly_add_primitive(indicator,points,Vector<Vector3>(),colors,Vector<Vector3>());
+
+}
+
+RID PhysicsJointPin::create(PhysicsBody*A,PhysicsBody*B) {
+
+ RID body_A = A->get_body();
+ RID body_B = B?B->get_body():RID();
+
+ ERR_FAIL_COND_V( !body_A.is_valid(), RID() );
+
+ Vector3 pin_pos = get_global_transform().origin;
+
+ if (body_B.is_valid())
+ return PhysicsServer::get_singleton()->joint_create_double_pin_global(body_A,pin_pos,body_B,pin_pos);
+ else
+ return PhysicsServer::get_singleton()->joint_create_pin(body_A,A->get_global_transform().xform_inv(pin_pos),pin_pos);
+}
+
+PhysicsJointPin::PhysicsJointPin() {
+
+
+}
+#endif
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