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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* 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.
*
* Original Author: Lukas Toenne
* Contributor(s): Sergey SHarybin
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/depsgraph/intern/builder/deg_builder_relations_impl.h
* \ingroup depsgraph
*/
#pragma once
#include "intern/nodes/deg_node_id.h"
extern "C" {
#include "DNA_ID.h"
}
namespace DEG {
template <typename KeyType>
OperationDepsNode *DepsgraphRelationBuilder::find_operation_node(const KeyType& key)
{
DepsNode *node = get_node(key);
return node != NULL ? node->get_exit_operation() : NULL;
}
template <typename KeyFrom, typename KeyTo>
void DepsgraphRelationBuilder::add_relation(const KeyFrom &key_from,
const KeyTo &key_to,
const char *description,
bool check_unique)
{
DepsNode *node_from = get_node(key_from);
DepsNode *node_to = get_node(key_to);
OperationDepsNode *op_from = node_from ? node_from->get_exit_operation() : NULL;
OperationDepsNode *op_to = node_to ? node_to->get_entry_operation() : NULL;
if (op_from && op_to) {
add_operation_relation(op_from, op_to, description, check_unique);
}
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());
}
}
}
template <typename KeyTo>
void DepsgraphRelationBuilder::add_relation(const TimeSourceKey &key_from,
const KeyTo &key_to,
const char *description,
bool check_unique)
{
TimeSourceDepsNode *time_from = get_node(key_from);
DepsNode *node_to = get_node(key_to);
OperationDepsNode *op_to = node_to ? node_to->get_entry_operation() : NULL;
if (time_from != NULL && op_to != NULL) {
add_time_relation(time_from, op_to, description, check_unique);
}
}
template <typename KeyType>
void DepsgraphRelationBuilder::add_node_handle_relation(
const KeyType &key_from,
const DepsNodeHandle *handle,
const char *description,
bool check_unique)
{
DepsNode *node_from = get_node(key_from);
OperationDepsNode *op_from = node_from ? node_from->get_exit_operation() : NULL;
OperationDepsNode *op_to = handle->node->get_entry_operation();
if (op_from != NULL && op_to != NULL) {
add_operation_relation(op_from, op_to, description, check_unique);
}
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());
}
}
}
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. */
DepsNode *node_from = get_node(key_from);
DepsNode *node_to = get_node(key_to);
if (node_from == NULL || node_to == NULL) {
return false;
}
OperationDepsNode *op_from = node_from->get_exit_operation();
OperationDepsNode *op_to = node_to->get_entry_operation();
if (op_from == NULL || op_to == NULL) {
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 == DEG_OPCODE_BONE_DONE &&
op_to->opcode == DEG_OPCODE_BONE_LOCAL))
{
return false;
}
/* ... BUT, we also need to check if it's same bone. */
if (!STREQ(op_from->owner->name, op_to->owner->name)) {
return false;
}
return true;
}
template <typename KeyFrom, typename KeyTo>
bool DepsgraphRelationBuilder::is_nodetree_node_dependency(
const KeyFrom& key_from,
const KeyTo& key_to)
{
/* Get operations for requested keys. */
DepsNode *node_from = get_node(key_from);
DepsNode *node_to = get_node(key_to);
if (node_from == NULL || node_to == NULL) {
return false;
}
OperationDepsNode *op_from = node_from->get_exit_operation();
OperationDepsNode *op_to = node_to->get_entry_operation();
if (op_from == NULL || op_to == NULL) {
return false;
}
/* Check if this is actually a node tree. */
if (GS(op_from->owner->owner->id->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 == DEG_OPCODE_PARAMETERS_EVAL &&
op_to->opcode == DEG_OPCODE_PARAMETERS_EVAL))
{
return false;
}
return true;
}
} // namespace DEG
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