/*************************************************************************/ /* collision_shape.cpp */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */ /* Copyright (c) 2014-2020 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 "collision_shape.h" #include "scene/resources/box_shape.h" #include "scene/resources/capsule_shape.h" #include "scene/resources/concave_polygon_shape.h" #include "scene/resources/convex_polygon_shape.h" #include "scene/resources/plane_shape.h" #include "scene/resources/ray_shape.h" #include "scene/resources/sphere_shape.h" #include "servers/visual_server.h" //TODO: Implement CylinderShape and HeightMapShape? #include "core/math/quick_hull.h" #include "mesh_instance.h" #include "physics_body.h" void CollisionShape::make_convex_from_brothers() { Node *p = get_parent(); if (!p) return; for (int i = 0; i < p->get_child_count(); i++) { Node *n = p->get_child(i); MeshInstance *mi = Object::cast_to(n); if (mi) { Ref m = mi->get_mesh(); if (m.is_valid()) { Ref s = m->create_convex_shape(); set_shape(s); } } } } void CollisionShape::_update_in_shape_owner(bool p_xform_only) { parent->shape_owner_set_transform(owner_id, get_transform()); if (p_xform_only) return; parent->shape_owner_set_disabled(owner_id, disabled); } void CollisionShape::_notification(int p_what) { switch (p_what) { case NOTIFICATION_PARENTED: { parent = Object::cast_to(get_parent()); if (parent) { owner_id = parent->create_shape_owner(this); if (shape.is_valid()) { parent->shape_owner_add_shape(owner_id, shape); } _update_in_shape_owner(); } } break; case NOTIFICATION_ENTER_TREE: { if (parent) { _update_in_shape_owner(); } if (get_tree()->is_debugging_collisions_hint()) { _update_debug_shape(); } } break; case NOTIFICATION_LOCAL_TRANSFORM_CHANGED: { if (parent) { _update_in_shape_owner(true); } } break; case NOTIFICATION_UNPARENTED: { if (parent) { parent->remove_shape_owner(owner_id); } owner_id = 0; parent = NULL; } break; } } void CollisionShape::resource_changed(RES res) { update_gizmo(); } String CollisionShape::get_configuration_warning() const { String warning = Spatial::get_configuration_warning(); if (!Object::cast_to(get_parent())) { if (warning != String()) { warning += "\n\n"; } warning += TTR("CollisionShape only serves to provide a collision shape to a CollisionObject derived node. Please only use it as a child of Area, StaticBody, RigidBody, KinematicBody, etc. to give them a shape."); } if (!shape.is_valid()) { if (warning != String()) { warning += "\n\n"; } warning += TTR("A shape must be provided for CollisionShape to function. Please create a shape resource for it."); } else { if (shape->is_class("PlaneShape")) { if (warning != String()) { warning += "\n\n"; } warning += TTR("Plane shapes don't work well and will be removed in future versions. Please don't use them."); } if (Object::cast_to(get_parent()) && Object::cast_to(*shape) && Object::cast_to(get_parent())->get_mode() != RigidBody::MODE_STATIC) { if (warning != String()) { warning += "\n\n"; } warning += TTR("ConcavePolygonShape doesn't support RigidBody in another mode than static."); } } return warning; } void CollisionShape::_bind_methods() { //not sure if this should do anything ClassDB::bind_method(D_METHOD("resource_changed", "resource"), &CollisionShape::resource_changed); ClassDB::bind_method(D_METHOD("set_shape", "shape"), &CollisionShape::set_shape); ClassDB::bind_method(D_METHOD("get_shape"), &CollisionShape::get_shape); ClassDB::bind_method(D_METHOD("set_disabled", "enable"), &CollisionShape::set_disabled); ClassDB::bind_method(D_METHOD("is_disabled"), &CollisionShape::is_disabled); ClassDB::bind_method(D_METHOD("make_convex_from_brothers"), &CollisionShape::make_convex_from_brothers); ClassDB::set_method_flags("CollisionShape", "make_convex_from_brothers", METHOD_FLAGS_DEFAULT | METHOD_FLAG_EDITOR); ClassDB::bind_method(D_METHOD("_shape_changed"), &CollisionShape::_shape_changed); ClassDB::bind_method(D_METHOD("_update_debug_shape"), &CollisionShape::_update_debug_shape); ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "shape", PROPERTY_HINT_RESOURCE_TYPE, "Shape"), "set_shape", "get_shape"); ADD_PROPERTY(PropertyInfo(Variant::BOOL, "disabled"), "set_disabled", "is_disabled"); } void CollisionShape::set_shape(const Ref &p_shape) { if (!shape.is_null()) { shape->unregister_owner(this); shape->disconnect("changed", this, "_shape_changed"); } shape = p_shape; if (!shape.is_null()) { shape->register_owner(this); shape->connect("changed", this, "_shape_changed"); } update_gizmo(); if (parent) { parent->shape_owner_clear_shapes(owner_id); if (shape.is_valid()) { parent->shape_owner_add_shape(owner_id, shape); } } if (is_inside_tree()) _shape_changed(); update_configuration_warning(); } Ref CollisionShape::get_shape() const { return shape; } void CollisionShape::set_disabled(bool p_disabled) { disabled = p_disabled; update_gizmo(); if (parent) { parent->shape_owner_set_disabled(owner_id, p_disabled); } } bool CollisionShape::is_disabled() const { return disabled; } CollisionShape::CollisionShape() { //indicator = VisualServer::get_singleton()->mesh_create(); disabled = false; debug_shape = NULL; parent = NULL; owner_id = 0; set_notify_local_transform(true); } CollisionShape::~CollisionShape() { if (!shape.is_null()) shape->unregister_owner(this); //VisualServer::get_singleton()->free(indicator); } void CollisionShape::_update_debug_shape() { debug_shape_dirty = false; if (debug_shape) { debug_shape->queue_delete(); debug_shape = NULL; } Ref s = get_shape(); if (s.is_null()) return; Ref mesh = s->get_debug_mesh(); MeshInstance *mi = memnew(MeshInstance); mi->set_mesh(mesh); add_child(mi); debug_shape = mi; } void CollisionShape::_shape_changed() { // If this is a heightfield shape our center may have changed if (parent) { _update_in_shape_owner(true); } if (is_inside_tree() && get_tree()->is_debugging_collisions_hint() && !debug_shape_dirty) { debug_shape_dirty = true; call_deferred("_update_debug_shape"); } }