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Diffstat (limited to 'scene/3d/soft_body.cpp')
| -rw-r--r-- | scene/3d/soft_body.cpp | 740 |
1 files changed, 740 insertions, 0 deletions
diff --git a/scene/3d/soft_body.cpp b/scene/3d/soft_body.cpp new file mode 100644 index 0000000000..8498dc34c0 --- /dev/null +++ b/scene/3d/soft_body.cpp @@ -0,0 +1,740 @@ +/*************************************************************************/ +/* soft_physics_body.cpp */ +/* Author: AndreaCatania */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* http://www.godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2017 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 "os/os.h" +#include "scene/3d/collision_object.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; + vertex_offset_transform = obj_tocopy.vertex_offset_transform; +} + +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_indices.size(); + PoolVector<PinnedPoint>::Read r = pinned_points_indices.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_indices.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")); + } +} + +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_indices.read(); + if (p_indices_size < pinned_points_indices.size()) { + for (int i = pinned_points_indices.size() - 1; i >= p_indices_size; --i) { + pin_point(r[i].point_index, false); + } + } + } + + pinned_points_indices.resize(p_indices_size); + + PoolVector<PinnedPoint>::Write w = pinned_points_indices.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_indices.size() <= p_item) { + return false; + } + + if ("spatial_attachment_path" == p_what) { + PoolVector<PinnedPoint>::Write w = pinned_points_indices.write(); + pin_point(w[p_item].point_index, true, 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_indices.size() <= p_item) { + return false; + } + PoolVector<PinnedPoint>::Read r = pinned_points_indices.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 { + return false; + } + + return true; +} + +void SoftBody::_changed_callback(Object *p_changed, const char *p_prop) { +#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); + PhysicsServer::get_singleton()->soft_body_set_transform(physics_rid, get_global_transform()); + 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 (!simulation_started) { + PhysicsServer::get_singleton()->soft_body_set_transform(physics_rid, get_global_transform()); + + _update_cache_pin_points_datas(); + // Submit bone attachment + const int pinned_points_indices_size = pinned_points_indices.size(); + PoolVector<PinnedPoint>::Read r = pinned_points_indices.read(); + for (int i = 0; i < pinned_points_indices_size; ++i) { + if (!r[i].spatial_attachment) { + // Use soft body position to update the point position + PhysicsServer::get_singleton()->soft_body_move_point(physics_rid, r[i].point_index, (get_global_transform() * r[i].vertex_offset_transform).origin); + } else { + PhysicsServer::get_singleton()->soft_body_move_point(physics_rid, r[i].point_index, (r[i].spatial_attachment->get_global_transform() * r[i].vertex_offset_transform).origin); + } + } + } + } 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("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(0).length() - 1.0) > 0.05)) { + if (!warning.empty()) + warning += "\n\n"; + + warning += TTR("Size changes to SoftBody will be overriden 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()) + 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; + + 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); + + set_mesh(soft_mesh); + + Vector<Ref<Material> > copy_materials; + copy_materials.append_array(materials); + 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_indices = p_pinned_points_indices; + PoolVector<PinnedPoint>::Read w = pinned_points_indices.read(); + for (int i = pinned_points_indices.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_indices; +} + +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()); +} + +SoftBody::~SoftBody() { +} + +void SoftBody::reset_softbody_pin() { + PhysicsServer::get_singleton()->soft_body_remove_all_pinned_points(physics_rid); + PoolVector<PinnedPoint>::Read pps = pinned_points_indices.read(); + for (int i = pinned_points_indices.size() - 1; 0 < i; --i) { + PhysicsServer::get_singleton()->soft_body_pin_point(physics_rid, pps[i].point_index, true); + } +} + +void SoftBody::_update_cache_pin_points_datas() { + if (pinned_points_cache_dirty) { + pinned_points_cache_dirty = false; + + PoolVector<PinnedPoint>::Write w = pinned_points_indices.write(); + for (int i = pinned_points_indices.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) { + + Transform point_global_transform(get_global_transform()); + point_global_transform.translate(PhysicsServer::get_singleton()->soft_body_get_point_offset(physics_rid, w[i].point_index)); + + // Local transform relative to spatial attachment node + w[i].vertex_offset_transform = w[i].spatial_attachment->get_global_transform().affine_inverse() * point_global_transform; + continue; + } else { + ERR_PRINTS("The node with path: " + String(w[i].spatial_attachment_path) + " was not found or is not a spatial node."); + } + } + // Local transform relative to Soft body + w[i].vertex_offset_transform.origin = PhysicsServer::get_singleton()->soft_body_get_point_offset(physics_rid, w[i].point_index); + w[i].vertex_offset_transform.basis = Basis(); + } + } +} + +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; + pinned_points_indices.push_back(pp); + } else { + // Update + pinned_point->point_index = p_point_index; + pinned_point->spatial_attachment_path = p_spatial_attachment_path; + } +} + +void SoftBody::_remove_pinned_point(int p_point_index) { + const int id(_has_pinned_point(p_point_index)); + if (-1 != id) { + pinned_points_indices.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_indices.read()[id]); + return id; + } +} + +int SoftBody::_has_pinned_point(int p_point_index) const { + PoolVector<PinnedPoint>::Read r = pinned_points_indices.read(); + for (int i = pinned_points_indices.size() - 1; 0 <= i; --i) { + if (p_point_index == r[i].point_index) { + return i; + } + } + return -1; +} |