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Merge pull request #54038 from nekomatata/fix-soft-body-memory-corruption-3.x

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Rémi Verschelde 2021-11-09 00:01:00 +01:00 committed by GitHub
commit 8923e2d449
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 51 additions and 51 deletions
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87
scene/3d/soft_body.cpp
View file

@ -251,7 +251,7 @@ bool SoftBody::_get_property_pinned_points(int p_item, const String &p_what, Var
}
void SoftBody::_changed_callback(Object *p_changed, const char *p_prop) {
prepare_physics_server();
_prepare_physics_server();
_reset_points_offsets();
#ifdef TOOLS_ENABLED
if (p_changed == this) {
@ -269,7 +269,7 @@ void SoftBody::_notification(int p_what) {
RID space = get_world()->get_space();
PhysicsServer::get_singleton()->soft_body_set_space(physics_rid, space);
prepare_physics_server();
_prepare_physics_server();
} break;
case NOTIFICATION_READY: {
if (!parent_collision_ignore.is_empty()) {
@ -396,7 +396,7 @@ void SoftBody::_bind_methods() {
String SoftBody::get_configuration_warning() const {
String warning = MeshInstance::get_configuration_warning();
if (get_mesh().is_null()) {
if (mesh.is_null()) {
if (!warning.empty()) {
warning += "\n\n";
}
@ -433,11 +433,17 @@ void SoftBody::_update_physics_server() {
}
void SoftBody::_draw_soft_mesh() {
if (get_mesh().is_null()) {
if (mesh.is_null()) {
return;
}
const RID mesh_rid = get_mesh()->get_rid();
RID mesh_rid = mesh->get_rid();
if (owned_mesh != mesh_rid) {
_become_mesh_owner();
mesh_rid = mesh->get_rid();
PhysicsServer::get_singleton()->soft_body_set_mesh(physics_rid, mesh);
}
if (!visual_server_handler.is_ready(mesh_rid)) {
visual_server_handler.prepare(mesh_rid, 0);
@ -456,10 +462,10 @@ void SoftBody::_draw_soft_mesh() {
visual_server_handler.commit_changes();
}
void SoftBody::prepare_physics_server() {
void SoftBody::_prepare_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());
if (mesh.is_valid()) {
PhysicsServer::get_singleton()->soft_body_set_mesh(physics_rid, mesh);
} else {
PhysicsServer::get_singleton()->soft_body_set_mesh(physics_rid, nullptr);
}
@ -467,9 +473,11 @@ void SoftBody::prepare_physics_server() {
return;
}
if (get_mesh().is_valid() && physics_enabled) {
become_mesh_owner();
PhysicsServer::get_singleton()->soft_body_set_mesh(physics_rid, get_mesh());
if (mesh.is_valid() && physics_enabled) {
if (owned_mesh != mesh->get_rid()) {
_become_mesh_owner();
}
PhysicsServer::get_singleton()->soft_body_set_mesh(physics_rid, mesh);
VS::get_singleton()->connect("frame_pre_draw", this, "_draw_soft_mesh");
} else {
PhysicsServer::get_singleton()->soft_body_set_mesh(physics_rid, nullptr);
@ -479,38 +487,32 @@ void SoftBody::prepare_physics_server() {
}
}
void SoftBody::become_mesh_owner() {
if (mesh.is_null()) {
return;
void SoftBody::_become_mesh_owner() {
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]);
}
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]);
}
}
owned_mesh = soft_mesh->get_rid();
}
void SoftBody::set_collision_mask(uint32_t p_mask) {
@ -578,7 +580,7 @@ void SoftBody::set_physics_enabled(bool p_enabled) {
physics_enabled = p_enabled;
if (is_inside_tree()) {
prepare_physics_server();
_prepare_physics_server();
}
}
@ -730,7 +732,6 @@ bool SoftBody::is_ray_pickable() const {
SoftBody::SoftBody() :
physics_rid(PhysicsServer::get_singleton()->soft_body_create()),
mesh_owner(false),
collision_mask(1),
collision_layer(1),
simulation_started(false),

15
scene/3d/soft_body.h
View file

@ -84,7 +84,7 @@ private:
bool physics_enabled = true;
bool mesh_owner;
RID owned_mesh;
uint32_t collision_mask;
uint32_t collision_layer;
NodePath parent_collision_ignore;
@ -100,6 +100,12 @@ private:
void _update_pickable();
void _update_physics_server();
void _draw_soft_mesh();
void _prepare_physics_server();
void _become_mesh_owner();
protected:
bool _set(const StringName &p_name, const Variant &p_value);
bool _get(const StringName &p_name, Variant &r_ret) const;
@ -116,14 +122,7 @@ protected:
virtual String get_configuration_warning() const;
protected:
void _update_physics_server();
void _draw_soft_mesh();
public:
void prepare_physics_server();
void become_mesh_owner();
void set_collision_mask(uint32_t p_mask);
uint32_t get_collision_mask() const;