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- /*************************************************************************/
- /* soft_body.cpp */
- /*************************************************************************/
- /* This file is part of: */
- /* GODOT ENGINE */
- /* https://godotengine.org */
- /*************************************************************************/
- /* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */
- /* Copyright (c) 2014-2019 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 "soft_body.h"
- #include "core/list.h"
- #include "core/object.h"
- #include "core/os/os.h"
- #include "core/rid.h"
- #include "scene/3d/collision_object.h"
- #include "scene/3d/physics_body.h"
- #include "scene/3d/skeleton.h"
- #include "servers/physics_server.h"
- SoftBodyVisualServerHandler::SoftBodyVisualServerHandler() {}
- void SoftBodyVisualServerHandler::prepare(RID p_mesh, int p_surface) {
- clear();
- ERR_FAIL_COND(!p_mesh.is_valid());
- mesh = p_mesh;
- surface = p_surface;
- const uint32_t surface_format = VS::get_singleton()->mesh_surface_get_format(mesh, surface);
- const int surface_vertex_len = VS::get_singleton()->mesh_surface_get_array_len(mesh, p_surface);
- const int surface_index_len = VS::get_singleton()->mesh_surface_get_array_index_len(mesh, p_surface);
- uint32_t surface_offsets[VS::ARRAY_MAX];
- buffer = VS::get_singleton()->mesh_surface_get_array(mesh, surface);
- stride = VS::get_singleton()->mesh_surface_make_offsets_from_format(surface_format, surface_vertex_len, surface_index_len, surface_offsets);
- offset_vertices = surface_offsets[VS::ARRAY_VERTEX];
- offset_normal = surface_offsets[VS::ARRAY_NORMAL];
- }
- void SoftBodyVisualServerHandler::clear() {
- if (mesh.is_valid()) {
- buffer.resize(0);
- }
- mesh = RID();
- }
- void SoftBodyVisualServerHandler::open() {
- write_buffer = buffer.write();
- }
- void SoftBodyVisualServerHandler::close() {
- write_buffer = PoolVector<uint8_t>::Write();
- }
- void SoftBodyVisualServerHandler::commit_changes() {
- VS::get_singleton()->mesh_surface_update_region(mesh, surface, 0, buffer);
- }
- void SoftBodyVisualServerHandler::set_vertex(int p_vertex_id, const void *p_vector3) {
- copymem(&write_buffer[p_vertex_id * stride + offset_vertices], p_vector3, sizeof(float) * 3);
- }
- void SoftBodyVisualServerHandler::set_normal(int p_vertex_id, const void *p_vector3) {
- copymem(&write_buffer[p_vertex_id * stride + offset_normal], p_vector3, sizeof(float) * 3);
- }
- void SoftBodyVisualServerHandler::set_aabb(const AABB &p_aabb) {
- VS::get_singleton()->mesh_set_custom_aabb(mesh, p_aabb);
- }
- SoftBody::PinnedPoint::PinnedPoint() :
- point_index(-1),
- spatial_attachment(NULL) {
- }
- SoftBody::PinnedPoint::PinnedPoint(const PinnedPoint &obj_tocopy) {
- point_index = obj_tocopy.point_index;
- spatial_attachment_path = obj_tocopy.spatial_attachment_path;
- spatial_attachment = obj_tocopy.spatial_attachment;
- offset = obj_tocopy.offset;
- }
- void SoftBody::_update_pickable() {
- if (!is_inside_tree())
- return;
- bool pickable = ray_pickable && is_inside_tree() && is_visible_in_tree();
- PhysicsServer::get_singleton()->soft_body_set_ray_pickable(physics_rid, pickable);
- }
- bool SoftBody::_set(const StringName &p_name, const Variant &p_value) {
- String name = p_name;
- String which = name.get_slicec('/', 0);
- if ("pinned_points" == which) {
- return _set_property_pinned_points_indices(p_value);
- } else if ("attachments" == which) {
- int idx = name.get_slicec('/', 1).to_int();
- String what = name.get_slicec('/', 2);
- return _set_property_pinned_points_attachment(idx, what, p_value);
- }
- return false;
- }
- bool SoftBody::_get(const StringName &p_name, Variant &r_ret) const {
- String name = p_name;
- String which = name.get_slicec('/', 0);
- if ("pinned_points" == which) {
- Array arr_ret;
- const int pinned_points_indices_size = pinned_points.size();
- PoolVector<PinnedPoint>::Read r = pinned_points.read();
- arr_ret.resize(pinned_points_indices_size);
- for (int i = 0; i < pinned_points_indices_size; ++i) {
- arr_ret[i] = r[i].point_index;
- }
- r_ret = arr_ret;
- return true;
- } else if ("attachments" == which) {
- int idx = name.get_slicec('/', 1).to_int();
- String what = name.get_slicec('/', 2);
- return _get_property_pinned_points(idx, what, r_ret);
- }
- return false;
- }
- void SoftBody::_get_property_list(List<PropertyInfo> *p_list) const {
- const int pinned_points_indices_size = pinned_points.size();
- p_list->push_back(PropertyInfo(Variant::POOL_INT_ARRAY, "pinned_points"));
- for (int i = 0; i < pinned_points_indices_size; ++i) {
- p_list->push_back(PropertyInfo(Variant::INT, "attachments/" + itos(i) + "/point_index"));
- p_list->push_back(PropertyInfo(Variant::NODE_PATH, "attachments/" + itos(i) + "/spatial_attachment_path"));
- p_list->push_back(PropertyInfo(Variant::VECTOR3, "attachments/" + itos(i) + "/offset"));
- }
- }
- bool SoftBody::_set_property_pinned_points_indices(const Array &p_indices) {
- const int p_indices_size = p_indices.size();
- { // Remove the pined points on physics server that will be removed by resize
- PoolVector<PinnedPoint>::Read r = pinned_points.read();
- if (p_indices_size < pinned_points.size()) {
- for (int i = pinned_points.size() - 1; i >= p_indices_size; --i) {
- pin_point(r[i].point_index, false);
- }
- }
- }
- pinned_points.resize(p_indices_size);
- PoolVector<PinnedPoint>::Write w = pinned_points.write();
- int point_index;
- for (int i = 0; i < p_indices_size; ++i) {
- point_index = p_indices.get(i);
- if (w[i].point_index != point_index) {
- if (-1 != w[i].point_index)
- pin_point(w[i].point_index, false);
- w[i].point_index = point_index;
- pin_point(w[i].point_index, true);
- }
- }
- return true;
- }
- bool SoftBody::_set_property_pinned_points_attachment(int p_item, const String &p_what, const Variant &p_value) {
- if (pinned_points.size() <= p_item) {
- return false;
- }
- if ("spatial_attachment_path" == p_what) {
- PoolVector<PinnedPoint>::Write w = pinned_points.write();
- pin_point(w[p_item].point_index, true, p_value);
- _make_cache_dirty();
- } else if ("offset" == p_what) {
- PoolVector<PinnedPoint>::Write w = pinned_points.write();
- w[p_item].offset = p_value;
- } else {
- return false;
- }
- return true;
- }
- bool SoftBody::_get_property_pinned_points(int p_item, const String &p_what, Variant &r_ret) const {
- if (pinned_points.size() <= p_item) {
- return false;
- }
- PoolVector<PinnedPoint>::Read r = pinned_points.read();
- if ("point_index" == p_what) {
- r_ret = r[p_item].point_index;
- } else if ("spatial_attachment_path" == p_what) {
- r_ret = r[p_item].spatial_attachment_path;
- } else if ("offset" == p_what) {
- r_ret = r[p_item].offset;
- } else {
- return false;
- }
- return true;
- }
- void SoftBody::_changed_callback(Object *p_changed, const char *p_prop) {
- update_physics_server();
- _reset_points_offsets();
- #ifdef TOOLS_ENABLED
- if (p_changed == this) {
- update_configuration_warning();
- }
- #endif
- }
- void SoftBody::_notification(int p_what) {
- switch (p_what) {
- case NOTIFICATION_ENTER_WORLD: {
- if (Engine::get_singleton()->is_editor_hint()) {
- add_change_receptor(this);
- }
- RID space = get_world()->get_space();
- PhysicsServer::get_singleton()->soft_body_set_space(physics_rid, space);
- update_physics_server();
- } break;
- case NOTIFICATION_READY: {
- if (!parent_collision_ignore.is_empty())
- add_collision_exception_with(get_node(parent_collision_ignore));
- } break;
- case NOTIFICATION_TRANSFORM_CHANGED: {
- if (Engine::get_singleton()->is_editor_hint()) {
- _reset_points_offsets();
- return;
- }
- PhysicsServer::get_singleton()->soft_body_set_transform(physics_rid, get_global_transform());
- set_notify_transform(false);
- // Required to be top level with Transform at center of world in order to modify VisualServer only to support custom Transform
- set_as_toplevel(true);
- set_transform(Transform());
- set_notify_transform(true);
- } break;
- case NOTIFICATION_INTERNAL_PHYSICS_PROCESS: {
- if (!simulation_started)
- return;
- _update_cache_pin_points_datas();
- // Submit bone attachment
- const int pinned_points_indices_size = pinned_points.size();
- PoolVector<PinnedPoint>::Read r = pinned_points.read();
- for (int i = 0; i < pinned_points_indices_size; ++i) {
- if (r[i].spatial_attachment) {
- PhysicsServer::get_singleton()->soft_body_move_point(physics_rid, r[i].point_index, r[i].spatial_attachment->get_global_transform().xform(r[i].offset));
- }
- }
- } break;
- case NOTIFICATION_VISIBILITY_CHANGED: {
- _update_pickable();
- } break;
- case NOTIFICATION_EXIT_WORLD: {
- PhysicsServer::get_singleton()->soft_body_set_space(physics_rid, RID());
- } break;
- }
- #ifdef TOOLS_ENABLED
- if (p_what == NOTIFICATION_LOCAL_TRANSFORM_CHANGED) {
- if (Engine::get_singleton()->is_editor_hint()) {
- update_configuration_warning();
- }
- }
- #endif
- }
- void SoftBody::_bind_methods() {
- ClassDB::bind_method(D_METHOD("_draw_soft_mesh"), &SoftBody::_draw_soft_mesh);
- ClassDB::bind_method(D_METHOD("set_collision_mask", "collision_mask"), &SoftBody::set_collision_mask);
- ClassDB::bind_method(D_METHOD("get_collision_mask"), &SoftBody::get_collision_mask);
- ClassDB::bind_method(D_METHOD("set_collision_layer", "collision_layer"), &SoftBody::set_collision_layer);
- ClassDB::bind_method(D_METHOD("get_collision_layer"), &SoftBody::get_collision_layer);
- ClassDB::bind_method(D_METHOD("set_collision_mask_bit", "bit", "value"), &SoftBody::set_collision_mask_bit);
- ClassDB::bind_method(D_METHOD("get_collision_mask_bit", "bit"), &SoftBody::get_collision_mask_bit);
- ClassDB::bind_method(D_METHOD("set_collision_layer_bit", "bit", "value"), &SoftBody::set_collision_layer_bit);
- ClassDB::bind_method(D_METHOD("get_collision_layer_bit", "bit"), &SoftBody::get_collision_layer_bit);
- ClassDB::bind_method(D_METHOD("set_parent_collision_ignore", "parent_collision_ignore"), &SoftBody::set_parent_collision_ignore);
- ClassDB::bind_method(D_METHOD("get_parent_collision_ignore"), &SoftBody::get_parent_collision_ignore);
- ClassDB::bind_method(D_METHOD("get_collision_exceptions"), &SoftBody::get_collision_exceptions);
- ClassDB::bind_method(D_METHOD("add_collision_exception_with", "body"), &SoftBody::add_collision_exception_with);
- ClassDB::bind_method(D_METHOD("remove_collision_exception_with", "body"), &SoftBody::remove_collision_exception_with);
- ClassDB::bind_method(D_METHOD("set_simulation_precision", "simulation_precision"), &SoftBody::set_simulation_precision);
- ClassDB::bind_method(D_METHOD("get_simulation_precision"), &SoftBody::get_simulation_precision);
- ClassDB::bind_method(D_METHOD("set_total_mass", "mass"), &SoftBody::set_total_mass);
- ClassDB::bind_method(D_METHOD("get_total_mass"), &SoftBody::get_total_mass);
- ClassDB::bind_method(D_METHOD("set_linear_stiffness", "linear_stiffness"), &SoftBody::set_linear_stiffness);
- ClassDB::bind_method(D_METHOD("get_linear_stiffness"), &SoftBody::get_linear_stiffness);
- ClassDB::bind_method(D_METHOD("set_areaAngular_stiffness", "areaAngular_stiffness"), &SoftBody::set_areaAngular_stiffness);
- ClassDB::bind_method(D_METHOD("get_areaAngular_stiffness"), &SoftBody::get_areaAngular_stiffness);
- ClassDB::bind_method(D_METHOD("set_volume_stiffness", "volume_stiffness"), &SoftBody::set_volume_stiffness);
- ClassDB::bind_method(D_METHOD("get_volume_stiffness"), &SoftBody::get_volume_stiffness);
- ClassDB::bind_method(D_METHOD("set_pressure_coefficient", "pressure_coefficient"), &SoftBody::set_pressure_coefficient);
- ClassDB::bind_method(D_METHOD("get_pressure_coefficient"), &SoftBody::get_pressure_coefficient);
- ClassDB::bind_method(D_METHOD("set_pose_matching_coefficient", "pose_matching_coefficient"), &SoftBody::set_pose_matching_coefficient);
- ClassDB::bind_method(D_METHOD("get_pose_matching_coefficient"), &SoftBody::get_pose_matching_coefficient);
- ClassDB::bind_method(D_METHOD("set_damping_coefficient", "damping_coefficient"), &SoftBody::set_damping_coefficient);
- ClassDB::bind_method(D_METHOD("get_damping_coefficient"), &SoftBody::get_damping_coefficient);
- ClassDB::bind_method(D_METHOD("set_drag_coefficient", "drag_coefficient"), &SoftBody::set_drag_coefficient);
- ClassDB::bind_method(D_METHOD("get_drag_coefficient"), &SoftBody::get_drag_coefficient);
- ClassDB::bind_method(D_METHOD("set_ray_pickable", "ray_pickable"), &SoftBody::set_ray_pickable);
- ClassDB::bind_method(D_METHOD("is_ray_pickable"), &SoftBody::is_ray_pickable);
- ADD_GROUP("Collision", "collision_");
- ADD_PROPERTY(PropertyInfo(Variant::INT, "collision_layer", PROPERTY_HINT_LAYERS_3D_PHYSICS), "set_collision_layer", "get_collision_layer");
- ADD_PROPERTY(PropertyInfo(Variant::INT, "collision_mask", PROPERTY_HINT_LAYERS_3D_PHYSICS), "set_collision_mask", "get_collision_mask");
- ADD_PROPERTY(PropertyInfo(Variant::NODE_PATH, "parent_collision_ignore", PROPERTY_HINT_PROPERTY_OF_VARIANT_TYPE, "Parent collision object"), "set_parent_collision_ignore", "get_parent_collision_ignore");
- ADD_PROPERTY(PropertyInfo(Variant::INT, "simulation_precision", PROPERTY_HINT_RANGE, "1,100,1"), "set_simulation_precision", "get_simulation_precision");
- ADD_PROPERTY(PropertyInfo(Variant::REAL, "total_mass", PROPERTY_HINT_RANGE, "0.01,10000,1"), "set_total_mass", "get_total_mass");
- ADD_PROPERTY(PropertyInfo(Variant::REAL, "linear_stiffness", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_linear_stiffness", "get_linear_stiffness");
- ADD_PROPERTY(PropertyInfo(Variant::REAL, "areaAngular_stiffness", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_areaAngular_stiffness", "get_areaAngular_stiffness");
- ADD_PROPERTY(PropertyInfo(Variant::REAL, "volume_stiffness", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_volume_stiffness", "get_volume_stiffness");
- ADD_PROPERTY(PropertyInfo(Variant::REAL, "pressure_coefficient"), "set_pressure_coefficient", "get_pressure_coefficient");
- ADD_PROPERTY(PropertyInfo(Variant::REAL, "damping_coefficient", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_damping_coefficient", "get_damping_coefficient");
- ADD_PROPERTY(PropertyInfo(Variant::REAL, "drag_coefficient", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_drag_coefficient", "get_drag_coefficient");
- ADD_PROPERTY(PropertyInfo(Variant::REAL, "pose_matching_coefficient", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_pose_matching_coefficient", "get_pose_matching_coefficient");
- }
- String SoftBody::get_configuration_warning() const {
- String warning = MeshInstance::get_configuration_warning();
- if (get_mesh().is_null()) {
- if (!warning.empty())
- warning += "\n\n";
- warning += TTR("This body will be ignored until you set a mesh");
- }
- Transform t = get_transform();
- if ((ABS(t.basis.get_axis(0).length() - 1.0) > 0.05 || ABS(t.basis.get_axis(1).length() - 1.0) > 0.05 || ABS(t.basis.get_axis(2).length() - 1.0) > 0.05)) {
- if (!warning.empty())
- warning += "\n\n";
- warning += TTR("Size changes to SoftBody will be overridden by the physics engine when running.\nChange the size in children collision shapes instead.");
- }
- return warning;
- }
- void SoftBody::_draw_soft_mesh() {
- if (get_mesh().is_null())
- return;
- if (!visual_server_handler.is_ready()) {
- visual_server_handler.prepare(get_mesh()->get_rid(), 0);
- /// Necessary in order to render the mesh correctly (Soft body nodes are in global space)
- simulation_started = true;
- call_deferred("set_as_toplevel", true);
- call_deferred("set_transform", Transform());
- }
- visual_server_handler.open();
- PhysicsServer::get_singleton()->soft_body_update_visual_server(physics_rid, &visual_server_handler);
- visual_server_handler.close();
- visual_server_handler.commit_changes();
- }
- void SoftBody::update_physics_server() {
- if (Engine::get_singleton()->is_editor_hint()) {
- if (get_mesh().is_valid())
- PhysicsServer::get_singleton()->soft_body_set_mesh(physics_rid, get_mesh());
- else
- PhysicsServer::get_singleton()->soft_body_set_mesh(physics_rid, NULL);
- return;
- }
- if (get_mesh().is_valid()) {
- become_mesh_owner();
- PhysicsServer::get_singleton()->soft_body_set_mesh(physics_rid, get_mesh());
- VS::get_singleton()->connect("frame_pre_draw", this, "_draw_soft_mesh");
- } else {
- PhysicsServer::get_singleton()->soft_body_set_mesh(physics_rid, NULL);
- VS::get_singleton()->disconnect("frame_pre_draw", this, "_draw_soft_mesh");
- }
- }
- void SoftBody::become_mesh_owner() {
- if (mesh.is_null())
- return;
- if (!mesh_owner) {
- mesh_owner = true;
- Vector<Ref<Material> > copy_materials;
- copy_materials.append_array(materials);
- ERR_FAIL_COND(!mesh->get_surface_count());
- // Get current mesh array and create new mesh array with necessary flag for softbody
- Array surface_arrays = mesh->surface_get_arrays(0);
- Array surface_blend_arrays = mesh->surface_get_blend_shape_arrays(0);
- uint32_t surface_format = mesh->surface_get_format(0);
- surface_format &= ~(Mesh::ARRAY_COMPRESS_VERTEX | Mesh::ARRAY_COMPRESS_NORMAL);
- surface_format |= Mesh::ARRAY_FLAG_USE_DYNAMIC_UPDATE;
- Ref<ArrayMesh> soft_mesh;
- soft_mesh.instance();
- soft_mesh->add_surface_from_arrays(Mesh::PRIMITIVE_TRIANGLES, surface_arrays, surface_blend_arrays, surface_format);
- soft_mesh->surface_set_material(0, mesh->surface_get_material(0));
- set_mesh(soft_mesh);
- for (int i = copy_materials.size() - 1; 0 <= i; --i) {
- set_surface_material(i, copy_materials[i]);
- }
- }
- }
- void SoftBody::set_collision_mask(uint32_t p_mask) {
- collision_mask = p_mask;
- PhysicsServer::get_singleton()->soft_body_set_collision_mask(physics_rid, p_mask);
- }
- uint32_t SoftBody::get_collision_mask() const {
- return collision_mask;
- }
- void SoftBody::set_collision_layer(uint32_t p_layer) {
- collision_layer = p_layer;
- PhysicsServer::get_singleton()->soft_body_set_collision_layer(physics_rid, p_layer);
- }
- uint32_t SoftBody::get_collision_layer() const {
- return collision_layer;
- }
- void SoftBody::set_collision_mask_bit(int p_bit, bool p_value) {
- uint32_t mask = get_collision_mask();
- if (p_value)
- mask |= 1 << p_bit;
- else
- mask &= ~(1 << p_bit);
- set_collision_mask(mask);
- }
- bool SoftBody::get_collision_mask_bit(int p_bit) const {
- return get_collision_mask() & (1 << p_bit);
- }
- void SoftBody::set_collision_layer_bit(int p_bit, bool p_value) {
- uint32_t layer = get_collision_layer();
- if (p_value)
- layer |= 1 << p_bit;
- else
- layer &= ~(1 << p_bit);
- set_collision_layer(layer);
- }
- bool SoftBody::get_collision_layer_bit(int p_bit) const {
- return get_collision_layer() & (1 << p_bit);
- }
- void SoftBody::set_parent_collision_ignore(const NodePath &p_parent_collision_ignore) {
- parent_collision_ignore = p_parent_collision_ignore;
- }
- const NodePath &SoftBody::get_parent_collision_ignore() const {
- return parent_collision_ignore;
- }
- void SoftBody::set_pinned_points_indices(PoolVector<SoftBody::PinnedPoint> p_pinned_points_indices) {
- pinned_points = p_pinned_points_indices;
- PoolVector<PinnedPoint>::Read w = pinned_points.read();
- for (int i = pinned_points.size() - 1; 0 <= i; --i) {
- pin_point(p_pinned_points_indices[i].point_index, true);
- }
- }
- PoolVector<SoftBody::PinnedPoint> SoftBody::get_pinned_points_indices() {
- return pinned_points;
- }
- Array SoftBody::get_collision_exceptions() {
- List<RID> exceptions;
- PhysicsServer::get_singleton()->soft_body_get_collision_exceptions(physics_rid, &exceptions);
- Array ret;
- for (List<RID>::Element *E = exceptions.front(); E; E = E->next()) {
- RID body = E->get();
- ObjectID instance_id = PhysicsServer::get_singleton()->body_get_object_instance_id(body);
- Object *obj = ObjectDB::get_instance(instance_id);
- PhysicsBody *physics_body = Object::cast_to<PhysicsBody>(obj);
- ret.append(physics_body);
- }
- return ret;
- }
- void SoftBody::add_collision_exception_with(Node *p_node) {
- ERR_FAIL_NULL(p_node);
- CollisionObject *collision_object = Object::cast_to<CollisionObject>(p_node);
- if (!collision_object) {
- ERR_EXPLAIN("Collision exception only works between two CollisionObject");
- }
- ERR_FAIL_COND(!collision_object);
- PhysicsServer::get_singleton()->soft_body_add_collision_exception(physics_rid, collision_object->get_rid());
- }
- void SoftBody::remove_collision_exception_with(Node *p_node) {
- ERR_FAIL_NULL(p_node);
- CollisionObject *collision_object = Object::cast_to<CollisionObject>(p_node);
- if (!collision_object) {
- ERR_EXPLAIN("Collision exception only works between two CollisionObject");
- }
- ERR_FAIL_COND(!collision_object);
- PhysicsServer::get_singleton()->soft_body_remove_collision_exception(physics_rid, collision_object->get_rid());
- }
- int SoftBody::get_simulation_precision() {
- return PhysicsServer::get_singleton()->soft_body_get_simulation_precision(physics_rid);
- }
- void SoftBody::set_simulation_precision(int p_simulation_precision) {
- PhysicsServer::get_singleton()->soft_body_set_simulation_precision(physics_rid, p_simulation_precision);
- }
- real_t SoftBody::get_total_mass() {
- return PhysicsServer::get_singleton()->soft_body_get_total_mass(physics_rid);
- }
- void SoftBody::set_total_mass(real_t p_total_mass) {
- PhysicsServer::get_singleton()->soft_body_set_total_mass(physics_rid, p_total_mass);
- }
- void SoftBody::set_linear_stiffness(real_t p_linear_stiffness) {
- PhysicsServer::get_singleton()->soft_body_set_linear_stiffness(physics_rid, p_linear_stiffness);
- }
- real_t SoftBody::get_linear_stiffness() {
- return PhysicsServer::get_singleton()->soft_body_get_linear_stiffness(physics_rid);
- }
- void SoftBody::set_areaAngular_stiffness(real_t p_areaAngular_stiffness) {
- PhysicsServer::get_singleton()->soft_body_set_areaAngular_stiffness(physics_rid, p_areaAngular_stiffness);
- }
- real_t SoftBody::get_areaAngular_stiffness() {
- return PhysicsServer::get_singleton()->soft_body_get_areaAngular_stiffness(physics_rid);
- }
- void SoftBody::set_volume_stiffness(real_t p_volume_stiffness) {
- PhysicsServer::get_singleton()->soft_body_set_volume_stiffness(physics_rid, p_volume_stiffness);
- }
- real_t SoftBody::get_volume_stiffness() {
- return PhysicsServer::get_singleton()->soft_body_get_volume_stiffness(physics_rid);
- }
- real_t SoftBody::get_pressure_coefficient() {
- return PhysicsServer::get_singleton()->soft_body_get_pressure_coefficient(physics_rid);
- }
- void SoftBody::set_pose_matching_coefficient(real_t p_pose_matching_coefficient) {
- PhysicsServer::get_singleton()->soft_body_set_pose_matching_coefficient(physics_rid, p_pose_matching_coefficient);
- }
- real_t SoftBody::get_pose_matching_coefficient() {
- return PhysicsServer::get_singleton()->soft_body_get_pose_matching_coefficient(physics_rid);
- }
- void SoftBody::set_pressure_coefficient(real_t p_pressure_coefficient) {
- PhysicsServer::get_singleton()->soft_body_set_pressure_coefficient(physics_rid, p_pressure_coefficient);
- }
- real_t SoftBody::get_damping_coefficient() {
- return PhysicsServer::get_singleton()->soft_body_get_damping_coefficient(physics_rid);
- }
- void SoftBody::set_damping_coefficient(real_t p_damping_coefficient) {
- PhysicsServer::get_singleton()->soft_body_set_damping_coefficient(physics_rid, p_damping_coefficient);
- }
- real_t SoftBody::get_drag_coefficient() {
- return PhysicsServer::get_singleton()->soft_body_get_drag_coefficient(physics_rid);
- }
- void SoftBody::set_drag_coefficient(real_t p_drag_coefficient) {
- PhysicsServer::get_singleton()->soft_body_set_drag_coefficient(physics_rid, p_drag_coefficient);
- }
- Vector3 SoftBody::get_point_transform(int p_point_index) {
- return PhysicsServer::get_singleton()->soft_body_get_point_global_position(physics_rid, p_point_index);
- }
- void SoftBody::pin_point_toggle(int p_point_index) {
- pin_point(p_point_index, !(-1 != _has_pinned_point(p_point_index)));
- }
- void SoftBody::pin_point(int p_point_index, bool pin, const NodePath &p_spatial_attachment_path) {
- _pin_point_on_physics_server(p_point_index, pin);
- if (pin) {
- _add_pinned_point(p_point_index, p_spatial_attachment_path);
- } else {
- _remove_pinned_point(p_point_index);
- }
- }
- bool SoftBody::is_point_pinned(int p_point_index) const {
- return -1 != _has_pinned_point(p_point_index);
- }
- void SoftBody::set_ray_pickable(bool p_ray_pickable) {
- ray_pickable = p_ray_pickable;
- _update_pickable();
- }
- bool SoftBody::is_ray_pickable() const {
- return ray_pickable;
- }
- SoftBody::SoftBody() :
- MeshInstance(),
- physics_rid(PhysicsServer::get_singleton()->soft_body_create()),
- mesh_owner(false),
- collision_mask(1),
- collision_layer(1),
- simulation_started(false),
- pinned_points_cache_dirty(true) {
- PhysicsServer::get_singleton()->body_attach_object_instance_id(physics_rid, get_instance_id());
- //set_notify_transform(true);
- set_physics_process_internal(true);
- }
- SoftBody::~SoftBody() {
- }
- void SoftBody::reset_softbody_pin() {
- PhysicsServer::get_singleton()->soft_body_remove_all_pinned_points(physics_rid);
- PoolVector<PinnedPoint>::Read pps = pinned_points.read();
- for (int i = pinned_points.size() - 1; 0 < i; --i) {
- PhysicsServer::get_singleton()->soft_body_pin_point(physics_rid, pps[i].point_index, true);
- }
- }
- void SoftBody::_make_cache_dirty() {
- pinned_points_cache_dirty = true;
- }
- void SoftBody::_update_cache_pin_points_datas() {
- if (!pinned_points_cache_dirty)
- return;
- pinned_points_cache_dirty = false;
- PoolVector<PinnedPoint>::Write w = pinned_points.write();
- for (int i = pinned_points.size() - 1; 0 <= i; --i) {
- if (!w[i].spatial_attachment_path.is_empty()) {
- w[i].spatial_attachment = Object::cast_to<Spatial>(get_node(w[i].spatial_attachment_path));
- }
- if (!w[i].spatial_attachment) {
- ERR_PRINT("Spatial node not defined in the pinned point, Softbody undefined behaviour!");
- }
- }
- }
- void SoftBody::_pin_point_on_physics_server(int p_point_index, bool pin) {
- PhysicsServer::get_singleton()->soft_body_pin_point(physics_rid, p_point_index, pin);
- }
- void SoftBody::_add_pinned_point(int p_point_index, const NodePath &p_spatial_attachment_path) {
- SoftBody::PinnedPoint *pinned_point;
- if (-1 == _get_pinned_point(p_point_index, pinned_point)) {
- // Create new
- PinnedPoint pp;
- pp.point_index = p_point_index;
- pp.spatial_attachment_path = p_spatial_attachment_path;
- if (!p_spatial_attachment_path.is_empty() && has_node(p_spatial_attachment_path)) {
- pp.spatial_attachment = Object::cast_to<Spatial>(get_node(p_spatial_attachment_path));
- pp.offset = (pp.spatial_attachment->get_global_transform().affine_inverse() * get_global_transform()).xform(PhysicsServer::get_singleton()->soft_body_get_point_global_position(physics_rid, pp.point_index));
- }
- pinned_points.push_back(pp);
- } else {
- pinned_point->point_index = p_point_index;
- pinned_point->spatial_attachment_path = p_spatial_attachment_path;
- if (!p_spatial_attachment_path.is_empty() && has_node(p_spatial_attachment_path)) {
- pinned_point->spatial_attachment = Object::cast_to<Spatial>(get_node(p_spatial_attachment_path));
- pinned_point->offset = (pinned_point->spatial_attachment->get_global_transform().affine_inverse() * get_global_transform()).xform(PhysicsServer::get_singleton()->soft_body_get_point_global_position(physics_rid, pinned_point->point_index));
- }
- }
- }
- void SoftBody::_reset_points_offsets() {
- if (!Engine::get_singleton()->is_editor_hint())
- return;
- PoolVector<PinnedPoint>::Read r = pinned_points.read();
- PoolVector<PinnedPoint>::Write w = pinned_points.write();
- for (int i = pinned_points.size() - 1; 0 <= i; --i) {
- if (!r[i].spatial_attachment)
- w[i].spatial_attachment = Object::cast_to<Spatial>(get_node(r[i].spatial_attachment_path));
- if (!r[i].spatial_attachment)
- continue;
- w[i].offset = (r[i].spatial_attachment->get_global_transform().affine_inverse() * get_global_transform()).xform(PhysicsServer::get_singleton()->soft_body_get_point_global_position(physics_rid, r[i].point_index));
- }
- }
- void SoftBody::_remove_pinned_point(int p_point_index) {
- const int id(_has_pinned_point(p_point_index));
- if (-1 != id) {
- pinned_points.remove(id);
- }
- }
- int SoftBody::_get_pinned_point(int p_point_index, SoftBody::PinnedPoint *&r_point) const {
- const int id = _has_pinned_point(p_point_index);
- if (-1 == id) {
- r_point = NULL;
- return -1;
- } else {
- r_point = const_cast<SoftBody::PinnedPoint *>(&pinned_points.read()[id]);
- return id;
- }
- }
- int SoftBody::_has_pinned_point(int p_point_index) const {
- PoolVector<PinnedPoint>::Read r = pinned_points.read();
- for (int i = pinned_points.size() - 1; 0 <= i; --i) {
- if (p_point_index == r[i].point_index) {
- return i;
- }
- }
- return -1;
- }
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