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/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2013 Blender Foundation.
* All rights reserved.
*/
/** \file
* \ingroup depsgraph
*/
#pragma once
#include "intern/node/deg_node_id.h"
#include "DNA_ID.h"
#include "DNA_object_types.h"
#include "DNA_rigidbody_types.h"
namespace blender {
namespace deg {
template<typename KeyType>
OperationNode *DepsgraphRelationBuilder::find_operation_node(const KeyType &key)
{
Node *node = get_node(key);
return node != nullptr ? node->get_exit_operation() : nullptr;
}
template<typename KeyFrom, typename KeyTo>
Relation *DepsgraphRelationBuilder::add_relation(const KeyFrom &key_from,
const KeyTo &key_to,
const char *description,
int flags)
{
Node *node_from = get_node(key_from);
Node *node_to = get_node(key_to);
OperationNode *op_from = node_from ? node_from->get_exit_operation() : nullptr;
OperationNode *op_to = node_to ? node_to->get_entry_operation() : nullptr;
if (op_from && op_to) {
return add_operation_relation(op_from, op_to, description, flags);
}
else {
if (!op_from) {
/* XXX TODO: handle as error or report if needed. */
fprintf(stderr,
"add_relation(%s) - Could not find op_from (%s)\n",
description,
key_from.identifier().c_str());
}
else {
fprintf(stderr,
"add_relation(%s) - Failed, but op_from (%s) was ok\n",
description,
key_from.identifier().c_str());
}
if (!op_to) {
/* XXX TODO: handle as error or report if needed. */
fprintf(stderr,
"add_relation(%s) - Could not find op_to (%s)\n",
description,
key_to.identifier().c_str());
}
else {
fprintf(stderr,
"add_relation(%s) - Failed, but op_to (%s) was ok\n",
description,
key_to.identifier().c_str());
}
}
return nullptr;
}
template<typename KeyTo>
Relation *DepsgraphRelationBuilder::add_relation(const TimeSourceKey &key_from,
const KeyTo &key_to,
const char *description,
int flags)
{
TimeSourceNode *time_from = get_node(key_from);
Node *node_to = get_node(key_to);
OperationNode *op_to = node_to ? node_to->get_entry_operation() : nullptr;
if (time_from != nullptr && op_to != nullptr) {
return add_time_relation(time_from, op_to, description, flags);
}
return nullptr;
}
template<typename KeyType>
Relation *DepsgraphRelationBuilder::add_node_handle_relation(const KeyType &key_from,
const DepsNodeHandle *handle,
const char *description,
int flags)
{
Node *node_from = get_node(key_from);
OperationNode *op_from = node_from ? node_from->get_exit_operation() : nullptr;
OperationNode *op_to = handle->node->get_entry_operation();
if (op_from != nullptr && op_to != nullptr) {
return add_operation_relation(op_from, op_to, description, flags);
}
else {
if (!op_from) {
fprintf(stderr,
"add_node_handle_relation(%s) - Could not find op_from (%s)\n",
description,
key_from.identifier().c_str());
}
if (!op_to) {
fprintf(stderr,
"add_node_handle_relation(%s) - Could not find op_to (%s)\n",
description,
key_from.identifier().c_str());
}
}
return nullptr;
}
static inline bool rigidbody_object_depends_on_evaluated_geometry(const RigidBodyOb *rbo)
{
if (rbo == nullptr) {
return false;
}
if (ELEM(rbo->shape, RB_SHAPE_CONVEXH, RB_SHAPE_TRIMESH)) {
if (rbo->mesh_source != RBO_MESH_BASE) {
return true;
}
}
return false;
}
template<typename KeyTo>
Relation *DepsgraphRelationBuilder::add_depends_on_transform_relation(ID *id,
const KeyTo &key_to,
const char *description,
int flags)
{
if (GS(id->name) == ID_OB) {
Object *object = reinterpret_cast<Object *>(id);
if (rigidbody_object_depends_on_evaluated_geometry(object->rigidbody_object)) {
OperationKey transform_key(&object->id, NodeType::TRANSFORM, OperationCode::TRANSFORM_EVAL);
return add_relation(transform_key, key_to, description, flags);
}
}
ComponentKey transform_key(id, NodeType::TRANSFORM);
return add_relation(transform_key, key_to, description, flags);
}
template<typename KeyType>
DepsNodeHandle DepsgraphRelationBuilder::create_node_handle(const KeyType &key,
const char *default_name)
{
return DepsNodeHandle(this, get_node(key), default_name);
}
/* Rig compatibility: we check if bone is using local transform as a variable
* for driver on itself and ignore those relations to avoid "false-positive"
* dependency cycles.
*/
template<typename KeyFrom, typename KeyTo>
bool DepsgraphRelationBuilder::is_same_bone_dependency(const KeyFrom &key_from,
const KeyTo &key_to)
{
/* Get operations for requested keys. */
Node *node_from = get_node(key_from);
Node *node_to = get_node(key_to);
if (node_from == nullptr || node_to == nullptr) {
return false;
}
OperationNode *op_from = node_from->get_exit_operation();
OperationNode *op_to = node_to->get_entry_operation();
if (op_from == nullptr || op_to == nullptr) {
return false;
}
/* Different armatures, bone can't be the same. */
if (op_from->owner->owner != op_to->owner->owner) {
return false;
}
/* We are only interested in relations like BONE_DONE -> BONE_LOCAL... */
if (!(op_from->opcode == OperationCode::BONE_DONE &&
op_to->opcode == OperationCode::BONE_LOCAL)) {
return false;
}
/* ... BUT, we also need to check if it's same bone. */
if (op_from->owner->name != op_to->owner->name) {
return false;
}
return true;
}
template<typename KeyFrom, typename KeyTo>
bool DepsgraphRelationBuilder::is_same_nodetree_node_dependency(const KeyFrom &key_from,
const KeyTo &key_to)
{
/* Get operations for requested keys. */
Node *node_from = get_node(key_from);
Node *node_to = get_node(key_to);
if (node_from == nullptr || node_to == nullptr) {
return false;
}
OperationNode *op_from = node_from->get_exit_operation();
OperationNode *op_to = node_to->get_entry_operation();
if (op_from == nullptr || op_to == nullptr) {
return false;
}
/* Check if this is actually a node tree. */
if (GS(op_from->owner->owner->id_orig->name) != ID_NT) {
return false;
}
/* Different node trees. */
if (op_from->owner->owner != op_to->owner->owner) {
return false;
}
/* We are only interested in relations like BONE_DONE -> BONE_LOCAL... */
if (!(op_from->opcode == OperationCode::PARAMETERS_EVAL &&
op_to->opcode == OperationCode::PARAMETERS_EVAL)) {
return false;
}
return true;
}
} // namespace deg
} // namespace blender
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