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Diffstat (limited to 'scene/3d/collision_shape_3d.cpp')
| -rw-r--r-- | scene/3d/collision_shape_3d.cpp | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/scene/3d/collision_shape_3d.cpp b/scene/3d/collision_shape_3d.cpp new file mode 100644 index 0000000000..cd171aad16 --- /dev/null +++ b/scene/3d/collision_shape_3d.cpp @@ -0,0 +1,242 @@ +/*************************************************************************/ +/* collision_shape_3d.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_3d.h" +#include "scene/resources/box_shape_3d.h" +#include "scene/resources/capsule_shape_3d.h" +#include "scene/resources/concave_polygon_shape_3d.h" +#include "scene/resources/convex_polygon_shape_3d.h" +#include "scene/resources/ray_shape.h" +#include "scene/resources/sphere_shape_3d.h" +#include "scene/resources/world_margin_shape_3d.h" +#include "servers/visual_server.h" +//TODO: Implement CylinderShape and HeightMapShape? +#include "core/math/quick_hull.h" +#include "mesh_instance_3d.h" +#include "physics_body_3d.h" + +void CollisionShape3D::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); + MeshInstance3D *mi = Object::cast_to<MeshInstance3D>(n); + if (mi) { + + Ref<Mesh> m = mi->get_mesh(); + if (m.is_valid()) { + + Ref<Shape3D> s = m->create_convex_shape(); + set_shape(s); + } + } + } +} + +void CollisionShape3D::_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 CollisionShape3D::_notification(int p_what) { + + switch (p_what) { + + case NOTIFICATION_PARENTED: { + parent = Object::cast_to<CollisionObject3D>(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 CollisionShape3D::resource_changed(RES res) { + + update_gizmo(); +} + +String CollisionShape3D::get_configuration_warning() const { + + if (!Object::cast_to<CollisionObject3D>(get_parent())) { + return 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()) { + return TTR("A shape must be provided for CollisionShape to function. Please create a shape resource for it."); + } + + if (Object::cast_to<RigidBody3D>(get_parent())) { + if (Object::cast_to<ConcavePolygonShape3D>(*shape)) { + if (Object::cast_to<RigidBody3D>(get_parent())->get_mode() != RigidBody3D::MODE_STATIC) { + return TTR("ConcavePolygonShape doesn't support RigidBody in another mode than static."); + } + } + } + + return String(); +} + +void CollisionShape3D::_bind_methods() { + + //not sure if this should do anything + ClassDB::bind_method(D_METHOD("resource_changed", "resource"), &CollisionShape3D::resource_changed); + ClassDB::bind_method(D_METHOD("set_shape", "shape"), &CollisionShape3D::set_shape); + ClassDB::bind_method(D_METHOD("get_shape"), &CollisionShape3D::get_shape); + ClassDB::bind_method(D_METHOD("set_disabled", "enable"), &CollisionShape3D::set_disabled); + ClassDB::bind_method(D_METHOD("is_disabled"), &CollisionShape3D::is_disabled); + ClassDB::bind_method(D_METHOD("make_convex_from_brothers"), &CollisionShape3D::make_convex_from_brothers); + ClassDB::set_method_flags("CollisionShape3D", "make_convex_from_brothers", METHOD_FLAGS_DEFAULT | METHOD_FLAG_EDITOR); + + ClassDB::bind_method(D_METHOD("_update_debug_shape"), &CollisionShape3D::_update_debug_shape); + + ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "shape", PROPERTY_HINT_RESOURCE_TYPE, "Shape3D"), "set_shape", "get_shape"); + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "disabled"), "set_disabled", "is_disabled"); +} + +void CollisionShape3D::set_shape(const Ref<Shape3D> &p_shape) { + + if (!shape.is_null()) { + shape->unregister_owner(this); + shape->disconnect("changed", callable_mp(this, &CollisionShape3D::_shape_changed)); + } + shape = p_shape; + if (!shape.is_null()) { + shape->register_owner(this); + shape->connect("changed", callable_mp(this, &CollisionShape3D::_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<Shape3D> CollisionShape3D::get_shape() const { + + return shape; +} + +void CollisionShape3D::set_disabled(bool p_disabled) { + + disabled = p_disabled; + update_gizmo(); + if (parent) { + parent->shape_owner_set_disabled(owner_id, p_disabled); + } +} + +bool CollisionShape3D::is_disabled() const { + + return disabled; +} + +CollisionShape3D::CollisionShape3D() { + + //indicator = VisualServer::get_singleton()->mesh_create(); + disabled = false; + debug_shape = NULL; + parent = NULL; + owner_id = 0; + set_notify_local_transform(true); +} + +CollisionShape3D::~CollisionShape3D() { + if (!shape.is_null()) + shape->unregister_owner(this); + //VisualServer::get_singleton()->free(indicator); +} + +void CollisionShape3D::_update_debug_shape() { + debug_shape_dirty = false; + + if (debug_shape) { + debug_shape->queue_delete(); + debug_shape = NULL; + } + + Ref<Shape3D> s = get_shape(); + if (s.is_null()) + return; + + Ref<Mesh> mesh = s->get_debug_mesh(); + MeshInstance3D *mi = memnew(MeshInstance3D); + mi->set_mesh(mesh); + add_child(mi); + debug_shape = mi; +} + +void CollisionShape3D::_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"); + } +} |