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
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
|
/*
* 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.
*/
#include "BKE_node_tree_multi_function.hh"
namespace blender {
namespace bke {
/* Maybe this should be moved to BKE_node.h. */
static std::optional<fn::MFDataType> try_get_multi_function_data_type_of_socket(
const bNodeSocket *bsocket)
{
if (bsocket->typeinfo->get_mf_data_type == nullptr) {
return {};
}
return bsocket->typeinfo->get_mf_data_type();
}
static void insert_dummy_node(CommonMFNetworkBuilderData &common, const DNode &dnode)
{
constexpr uint stack_capacity = 10;
Vector<fn::MFDataType, stack_capacity> input_types;
Vector<StringRef, stack_capacity> input_names;
Vector<const DInputSocket *, stack_capacity> input_dsockets;
for (const DInputSocket *dsocket : dnode.inputs()) {
if (dsocket->is_available()) {
std::optional<fn::MFDataType> data_type = try_get_multi_function_data_type_of_socket(
dsocket->bsocket());
if (data_type.has_value()) {
input_types.append(*data_type);
input_names.append(dsocket->name());
input_dsockets.append(dsocket);
}
}
}
Vector<fn::MFDataType, stack_capacity> output_types;
Vector<StringRef, stack_capacity> output_names;
Vector<const DOutputSocket *, stack_capacity> output_dsockets;
for (const DOutputSocket *dsocket : dnode.outputs()) {
if (dsocket->is_available()) {
std::optional<fn::MFDataType> data_type = try_get_multi_function_data_type_of_socket(
dsocket->bsocket());
if (data_type.has_value()) {
output_types.append(*data_type);
output_names.append(dsocket->name());
output_dsockets.append(dsocket);
}
}
}
fn::MFDummyNode &dummy_node = common.network.add_dummy(
dnode.name(), input_types, output_types, input_names, output_names);
common.network_map.add(input_dsockets, dummy_node.inputs());
common.network_map.add(output_dsockets, dummy_node.outputs());
}
static bool has_data_sockets(const DNode &dnode)
{
for (const DInputSocket *socket : dnode.inputs()) {
if (is_multi_function_data_socket(socket->bsocket())) {
return true;
}
}
for (const DOutputSocket *socket : dnode.outputs()) {
if (is_multi_function_data_socket(socket->bsocket())) {
return true;
}
}
return false;
}
/**
* Expands all function nodes in the multi-function network. Nodes that don't have an expand
* function, but do have data sockets, will get corresponding dummy nodes.
*/
static void insert_nodes(CommonMFNetworkBuilderData &common)
{
for (const DNode *dnode : common.tree.nodes()) {
const bNodeType *node_type = dnode->node_ref().bnode()->typeinfo;
if (node_type->expand_in_mf_network != nullptr) {
NodeMFNetworkBuilder builder{common, *dnode};
node_type->expand_in_mf_network(builder);
}
else if (has_data_sockets(*dnode)) {
insert_dummy_node(common, *dnode);
}
}
}
static void insert_group_inputs(CommonMFNetworkBuilderData &common)
{
for (const DGroupInput *group_input : common.tree.group_inputs()) {
bNodeSocket *bsocket = group_input->bsocket();
if (is_multi_function_data_socket(bsocket)) {
bNodeSocketType *socktype = bsocket->typeinfo;
BLI_assert(socktype->expand_in_mf_network != nullptr);
SocketMFNetworkBuilder builder{common, *group_input};
socktype->expand_in_mf_network(builder);
fn::MFOutputSocket *from_socket = builder.built_socket();
BLI_assert(from_socket != nullptr);
common.network_map.add(*group_input, *from_socket);
}
}
}
static fn::MFOutputSocket *try_find_origin(CommonMFNetworkBuilderData &common,
const DInputSocket &to_dsocket)
{
Span<const DOutputSocket *> from_dsockets = to_dsocket.linked_sockets();
Span<const DGroupInput *> from_group_inputs = to_dsocket.linked_group_inputs();
uint total_linked_amount = from_dsockets.size() + from_group_inputs.size();
BLI_assert(total_linked_amount <= 1);
if (total_linked_amount == 0) {
return nullptr;
}
if (from_dsockets.size() == 1) {
return &common.network_map.lookup(*from_dsockets[0]);
}
else {
return &common.network_map.lookup(*from_group_inputs[0]);
}
}
static void insert_links(CommonMFNetworkBuilderData &common)
{
for (const DInputSocket *to_dsocket : common.tree.input_sockets()) {
if (!to_dsocket->is_available()) {
continue;
}
if (!is_multi_function_data_socket(to_dsocket->bsocket())) {
continue;
}
fn::MFOutputSocket *from_socket = try_find_origin(common, *to_dsocket);
if (from_socket == nullptr) {
continue;
}
Span<fn::MFInputSocket *> to_sockets = common.network_map.lookup(*to_dsocket);
BLI_assert(to_sockets.size() >= 1);
fn::MFDataType from_type = from_socket->data_type();
fn::MFDataType to_type = to_sockets[0]->data_type();
if (from_type != to_type) {
/* Todo: Try inserting implicit conversion. */
}
for (fn::MFInputSocket *to_socket : to_sockets) {
common.network.add_link(*from_socket, *to_socket);
}
}
}
static void insert_unlinked_input(CommonMFNetworkBuilderData &common, const DInputSocket &dsocket)
{
bNodeSocket *bsocket = dsocket.bsocket();
bNodeSocketType *socktype = bsocket->typeinfo;
BLI_assert(socktype->expand_in_mf_network != nullptr);
SocketMFNetworkBuilder builder{common, dsocket};
socktype->expand_in_mf_network(builder);
fn::MFOutputSocket *from_socket = builder.built_socket();
BLI_assert(from_socket != nullptr);
for (fn::MFInputSocket *to_socket : common.network_map.lookup(dsocket)) {
common.network.add_link(*from_socket, *to_socket);
}
}
static void insert_unlinked_inputs(CommonMFNetworkBuilderData &common)
{
Vector<const DInputSocket *> unlinked_data_inputs;
for (const DInputSocket *dsocket : common.tree.input_sockets()) {
if (dsocket->is_available()) {
if (is_multi_function_data_socket(dsocket->bsocket())) {
if (!dsocket->is_linked()) {
insert_unlinked_input(common, *dsocket);
}
}
}
}
}
/**
* Expands all function nodes contained in the given node tree within the given multi-function
* network.
*
* Returns a mapping between the original node tree and the generated nodes/sockets for further
* processing.
*/
MFNetworkTreeMap insert_node_tree_into_mf_network(fn::MFNetwork &network,
const DerivedNodeTree &tree,
ResourceCollector &resources)
{
MFNetworkTreeMap network_map{tree};
CommonMFNetworkBuilderData common{resources, network, network_map, tree};
insert_nodes(common);
insert_group_inputs(common);
insert_links(common);
insert_unlinked_inputs(common);
return network_map;
}
} // namespace bke
} // namespace blender
|
