1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
|
/*
* 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) 2019 Blender Foundation.
* All rights reserved.
*/
/** \file
* \ingroup depsgraph
*/
#pragma once
#include "intern/node/deg_node.h"
#include "intern/node/deg_node_operation.h"
struct ID;
struct PointerRNA;
struct PropertyRNA;
namespace DEG {
struct Depsgraph;
struct Node;
class RNANodeQueryIDData;
class DepsgraphBuilder;
/* For queries which gives operation node or key defines whether we are
* interested in a result of the given property or whether we are linking some
* dependency to that property. */
enum class RNAPointerSource {
/* Query will return pointer to an entry operation of component which is
* responsible for evaluation of the given property. */
ENTRY,
/* Query will return pointer to an exit operation of component which is
* responsible for evaluation of the given property.
* More precisely, it will return operation at which the property is known
* to be evaluated. */
EXIT,
};
/* A helper structure which wraps all fields needed to find a node inside of
* the dependency graph. */
class RNANodeIdentifier {
public:
RNANodeIdentifier();
/* Check whether this identifier is valid and usable. */
bool is_valid() const;
ID *id;
NodeType type;
const char *component_name;
OperationCode operation_code;
const char *operation_name;
int operation_name_tag;
};
/* Helper class which performs optimized lookups of a node within a given
* dependency graph which satisfies given RNA pointer or RAN path. */
class RNANodeQuery {
public:
RNANodeQuery(Depsgraph *depsgraph, DepsgraphBuilder *builder);
~RNANodeQuery();
Node *find_node(const PointerRNA *ptr, const PropertyRNA *prop, RNAPointerSource source);
protected:
Depsgraph *depsgraph_;
DepsgraphBuilder *builder_;
/* Indexed by an ID, returns RNANodeQueryIDData associated with that ID. */
Map<const ID *, unique_ptr<RNANodeQueryIDData>> id_data_map_;
/* Construct identifier of the node which corresponds given configuration
* of RNA property. */
RNANodeIdentifier construct_node_identifier(const PointerRNA *ptr,
const PropertyRNA *prop,
RNAPointerSource source);
/* Make sure ID data exists for the given ID, and returns it. */
RNANodeQueryIDData *ensure_id_data(const ID *id);
};
} // namespace DEG
|