diff options
Diffstat (limited to 'modules/bullet/soft_body_bullet.cpp')
-rw-r--r-- | modules/bullet/soft_body_bullet.cpp | 141 |
1 files changed, 66 insertions, 75 deletions
diff --git a/modules/bullet/soft_body_bullet.cpp b/modules/bullet/soft_body_bullet.cpp index 6794d6c313..3a2370ff31 100644 --- a/modules/bullet/soft_body_bullet.cpp +++ b/modules/bullet/soft_body_bullet.cpp @@ -5,8 +5,8 @@ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ -/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */ +/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2021 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 */ @@ -32,9 +32,10 @@ #include "bullet_types_converter.h" #include "bullet_utilities.h" -#include "scene/3d/soft_body_3d.h" #include "space_bullet.h" +#include "servers/rendering_server.h" + SoftBodyBullet::SoftBodyBullet() : CollisionObjectBullet(CollisionObjectBullet::TYPE_SOFT_BODY) {} @@ -65,12 +66,12 @@ void SoftBodyBullet::on_enter_area(AreaBullet *p_area) {} void SoftBodyBullet::on_exit_area(AreaBullet *p_area) {} -void SoftBodyBullet::update_rendering_server(SoftBodyRenderingServerHandler *p_rendering_server_handler) { +void SoftBodyBullet::update_rendering_server(RenderingServerHandler *p_rendering_server_handler) { if (!bt_soft_body) { return; } - /// Update visual server vertices + /// Update rendering server vertices const btSoftBody::tNodeArray &nodes(bt_soft_body->m_nodes); const int nodes_count = nodes.size(); @@ -105,24 +106,27 @@ void SoftBodyBullet::update_rendering_server(SoftBodyRenderingServerHandler *p_r p_rendering_server_handler->set_aabb(aabb); } -void SoftBodyBullet::set_soft_mesh(const Ref<Mesh> &p_mesh) { - if (p_mesh.is_null()) { - soft_mesh.unref(); - } else { - soft_mesh = p_mesh; - } +void SoftBodyBullet::set_soft_mesh(RID p_mesh) { + destroy_soft_body(); + + soft_mesh = p_mesh; if (soft_mesh.is_null()) { - destroy_soft_body(); return; } - Array arrays = soft_mesh->surface_get_arrays(0); - ERR_FAIL_COND(!(soft_mesh->surface_get_format(0) & RS::ARRAY_FORMAT_INDEX)); - set_trimesh_body_shape(arrays[RS::ARRAY_INDEX], arrays[RS::ARRAY_VERTEX]); + Array arrays = RenderingServer::get_singleton()->mesh_surface_get_arrays(soft_mesh, 0); + ERR_FAIL_COND(arrays.is_empty()); + + bool success = set_trimesh_body_shape(arrays[RS::ARRAY_INDEX], arrays[RS::ARRAY_VERTEX]); + if (!success) { + destroy_soft_body(); + } } void SoftBodyBullet::destroy_soft_body() { + soft_mesh = RID(); + if (!bt_soft_body) { return; } @@ -136,12 +140,30 @@ void SoftBodyBullet::destroy_soft_body() { bt_soft_body = nullptr; } -void SoftBodyBullet::set_soft_transform(const Transform &p_transform) { +void SoftBodyBullet::set_soft_transform(const Transform3D &p_transform) { reset_all_node_positions(); move_all_nodes(p_transform); } -void SoftBodyBullet::move_all_nodes(const Transform &p_transform) { +AABB SoftBodyBullet::get_bounds() const { + if (!bt_soft_body) { + return AABB(); + } + + btVector3 aabb_min; + btVector3 aabb_max; + bt_soft_body->getAabb(aabb_min, aabb_max); + + btVector3 size(aabb_max - aabb_min); + + AABB aabb; + B_TO_G(aabb_min, aabb.position); + B_TO_G(size, aabb.size); + + return aabb; +} + +void SoftBodyBullet::move_all_nodes(const Transform3D &p_transform) { if (!bt_soft_body) { return; } @@ -169,41 +191,24 @@ void SoftBodyBullet::get_node_position(int p_node_index, Vector3 &r_position) co } } -void SoftBodyBullet::get_node_offset(int p_node_index, Vector3 &r_offset) const { - if (soft_mesh.is_null()) { - return; - } - - Array arrays = soft_mesh->surface_get_arrays(0); - Vector<Vector3> vertices(arrays[RS::ARRAY_VERTEX]); - - if (0 <= p_node_index && vertices.size() > p_node_index) { - r_offset = vertices[p_node_index]; - } -} - -void SoftBodyBullet::get_node_offset(int p_node_index, btVector3 &r_offset) const { - Vector3 off; - get_node_offset(p_node_index, off); - G_TO_B(off, r_offset); -} - -void SoftBodyBullet::set_node_mass(int node_index, btScalar p_mass) { +void SoftBodyBullet::set_node_mass(int p_node_index, btScalar p_mass) { if (0 >= p_mass) { - pin_node(node_index); + pin_node(p_node_index); } else { - unpin_node(node_index); + unpin_node(p_node_index); } if (bt_soft_body) { - bt_soft_body->setMass(node_index, p_mass); + ERR_FAIL_INDEX(p_node_index, bt_soft_body->m_nodes.size()); + bt_soft_body->setMass(p_node_index, p_mass); } } -btScalar SoftBodyBullet::get_node_mass(int node_index) const { +btScalar SoftBodyBullet::get_node_mass(int p_node_index) const { if (bt_soft_body) { - return bt_soft_body->getMass(node_index); + ERR_FAIL_INDEX_V(p_node_index, bt_soft_body->m_nodes.size(), 1); + return bt_soft_body->getMass(p_node_index); } else { - return -1 == search_node_pinned(node_index) ? 1 : 0; + return -1 == search_node_pinned(p_node_index) ? 1 : 0; } } @@ -259,20 +264,6 @@ void SoftBodyBullet::set_linear_stiffness(real_t p_val) { } } -void SoftBodyBullet::set_areaAngular_stiffness(real_t p_val) { - areaAngular_stiffness = p_val; - if (bt_soft_body) { - mat0->m_kAST = areaAngular_stiffness; - } -} - -void SoftBodyBullet::set_volume_stiffness(real_t p_val) { - volume_stiffness = p_val; - if (bt_soft_body) { - mat0->m_kVST = volume_stiffness; - } -} - void SoftBodyBullet::set_simulation_precision(int p_val) { simulation_precision = p_val; if (bt_soft_body) { @@ -290,13 +281,6 @@ void SoftBodyBullet::set_pressure_coefficient(real_t p_val) { } } -void SoftBodyBullet::set_pose_matching_coefficient(real_t p_val) { - pose_matching_coefficient = p_val; - if (bt_soft_body) { - bt_soft_body->m_cfg.kMT = pose_matching_coefficient; - } -} - void SoftBodyBullet::set_damping_coefficient(real_t p_val) { damping_coefficient = p_val; if (bt_soft_body) { @@ -311,15 +295,15 @@ void SoftBodyBullet::set_drag_coefficient(real_t p_val) { } } -void SoftBodyBullet::set_trimesh_body_shape(Vector<int> p_indices, Vector<Vector3> p_vertices) { - /// Assert the current soft body is destroyed - destroy_soft_body(); +bool SoftBodyBullet::set_trimesh_body_shape(Vector<int> p_indices, Vector<Vector3> p_vertices) { + ERR_FAIL_COND_V(p_indices.is_empty(), false); + ERR_FAIL_COND_V(p_vertices.is_empty(), false); - /// Parse visual server indices to physical indices. - /// Merge all overlapping vertices and create a map of physical vertices to visual server + /// Parse rendering server indices to physical indices. + /// Merge all overlapping vertices and create a map of physical vertices to rendering server { - /// This is the map of visual server indices to physics indices (So it's the inverse of idices_map), Thanks to it I don't need make a heavy search in the indices_map + /// This is the map of rendering server indices to physics indices (So it's the inverse of idices_map), Thanks to it I don't need make a heavy search in the indices_map Vector<int> vs_indices_to_physics_table; { // Map vertices @@ -336,7 +320,7 @@ void SoftBodyBullet::set_trimesh_body_shape(Vector<int> p_indices, Vector<Vector Map<Vector3, int>::Element *e = unique_vertices.find(p_vertices_read[vs_vertex_index]); int vertex_id; if (e) { - // Already rxisting + // Already existing vertex_id = e->value(); } else { // Create new one @@ -385,6 +369,8 @@ void SoftBodyBullet::set_trimesh_body_shape(Vector<int> p_indices, Vector<Vector bt_soft_body = btSoftBodyHelpers::CreateFromTriMesh(fake_world_info, &bt_vertices[0], &bt_triangles[0], triangles_size, false); setup_soft_body(); } + + return true; } void SoftBodyBullet::setup_soft_body() { @@ -409,8 +395,6 @@ void SoftBodyBullet::setup_soft_body() { bt_soft_body->generateBendingConstraints(2, mat0); mat0->m_kLST = linear_stiffness; - mat0->m_kAST = areaAngular_stiffness; - mat0->m_kVST = volume_stiffness; // Clusters allow to have Soft vs Soft collision but doesn't work well right now @@ -430,7 +414,6 @@ void SoftBodyBullet::setup_soft_body() { bt_soft_body->m_cfg.kDP = damping_coefficient; bt_soft_body->m_cfg.kDG = drag_coefficient; bt_soft_body->m_cfg.kPR = pressure_coefficient; - bt_soft_body->m_cfg.kMT = pose_matching_coefficient; bt_soft_body->setTotalMass(total_mass); btSoftBodyHelpers::ReoptimizeLinkOrder(bt_soft_body); @@ -438,17 +421,25 @@ void SoftBodyBullet::setup_soft_body() { // Set pinned nodes for (int i = pinned_nodes.size() - 1; 0 <= i; --i) { - bt_soft_body->setMass(pinned_nodes[i], 0); + const int node_index = pinned_nodes[i]; + ERR_CONTINUE(0 > node_index || bt_soft_body->m_nodes.size() <= node_index); + bt_soft_body->setMass(node_index, 0); } } void SoftBodyBullet::pin_node(int p_node_index) { + if (bt_soft_body) { + ERR_FAIL_INDEX(p_node_index, bt_soft_body->m_nodes.size()); + } if (-1 == search_node_pinned(p_node_index)) { pinned_nodes.push_back(p_node_index); } } void SoftBodyBullet::unpin_node(int p_node_index) { + if (bt_soft_body) { + ERR_FAIL_INDEX(p_node_index, bt_soft_body->m_nodes.size()); + } const int id = search_node_pinned(p_node_index); if (-1 != id) { pinned_nodes.remove(id); |