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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) 2018 Blender Foundation.
* All rights reserved.
*/
/** \file
* \ingroup cmpnodes
*/
#include "BLI_assert.h"
#include "BLI_dynstr.h"
#include "BLI_hash_mm3.h"
#include "BLI_utildefines.h"
#include "node_composite_util.h"
#include <optional>
extern "C" {
static std::optional<CryptomatteEntry *> cryptomatte_find(const NodeCryptomatte &n,
float encoded_hash)
{
LISTBASE_FOREACH (CryptomatteEntry *, entry, &n.entries) {
if (entry->encoded_hash == encoded_hash) {
return std::make_optional(entry);
}
}
return std::nullopt;
}
static void cryptomatte_add(NodeCryptomatte &n, float f)
{
/* Check if entry already exist. */
if (cryptomatte_find(n, f)) {
return;
}
CryptomatteEntry *entry = static_cast<CryptomatteEntry *>(
MEM_callocN(sizeof(CryptomatteEntry), __func__));
entry->encoded_hash = f;
BLI_addtail(&n.entries, entry);
}
static void cryptomatte_remove(NodeCryptomatte &n, float f)
{
std::optional<CryptomatteEntry *> entry = cryptomatte_find(n, f);
if (!entry) {
return;
}
BLI_remlink(&n.entries, entry.value());
MEM_freeN(entry.value());
}
static bNodeSocketTemplate outputs[] = {
{SOCK_RGBA, N_("Image")},
{SOCK_FLOAT, N_("Matte")},
{SOCK_RGBA, N_("Pick")},
{-1, ""},
};
void ntreeCompositCryptomatteSyncFromAdd(bNodeTree *UNUSED(ntree), bNode *node)
{
NodeCryptomatte *n = static_cast<NodeCryptomatte *>(node->storage);
if (n->add[0] != 0.0f) {
cryptomatte_add(*n, n->add[0]);
zero_v3(n->add);
}
}
void ntreeCompositCryptomatteSyncFromRemove(bNodeTree *UNUSED(ntree), bNode *node)
{
NodeCryptomatte *n = static_cast<NodeCryptomatte *>(node->storage);
if (n->remove[0] != 0.0f) {
cryptomatte_remove(*n, n->remove[0]);
zero_v3(n->remove);
}
}
bNodeSocket *ntreeCompositCryptomatteAddSocket(bNodeTree *ntree, bNode *node)
{
NodeCryptomatte *n = static_cast<NodeCryptomatte *>(node->storage);
char sockname[32];
n->num_inputs++;
BLI_snprintf(sockname, sizeof(sockname), "Crypto %.2d", n->num_inputs - 1);
bNodeSocket *sock = nodeAddStaticSocket(
ntree, node, SOCK_IN, SOCK_RGBA, PROP_NONE, nullptr, sockname);
return sock;
}
int ntreeCompositCryptomatteRemoveSocket(bNodeTree *ntree, bNode *node)
{
NodeCryptomatte *n = static_cast<NodeCryptomatte *>(node->storage);
if (n->num_inputs < 2) {
return 0;
}
bNodeSocket *sock = static_cast<bNodeSocket *>(node->inputs.last);
nodeRemoveSocket(ntree, node, sock);
n->num_inputs--;
return 1;
}
static void init(bNodeTree *ntree, bNode *node)
{
NodeCryptomatte *user = static_cast<NodeCryptomatte *>(
MEM_callocN(sizeof(NodeCryptomatte), __func__));
node->storage = user;
nodeAddStaticSocket(ntree, node, SOCK_IN, SOCK_RGBA, PROP_NONE, "image", "Image");
/* Add three inputs by default, as recommended by the Cryptomatte specification. */
ntreeCompositCryptomatteAddSocket(ntree, node);
ntreeCompositCryptomatteAddSocket(ntree, node);
ntreeCompositCryptomatteAddSocket(ntree, node);
}
static void node_free_cryptomatte(bNode *node)
{
NodeCryptomatte *nc = static_cast<NodeCryptomatte *>(node->storage);
if (nc) {
BLI_freelistN(&nc->entries);
MEM_freeN(nc);
}
}
static void node_copy_cryptomatte(bNodeTree *UNUSED(dest_ntree),
bNode *dest_node,
const bNode *src_node)
{
NodeCryptomatte *src_nc = static_cast<NodeCryptomatte *>(src_node->storage);
NodeCryptomatte *dest_nc = static_cast<NodeCryptomatte *>(MEM_dupallocN(src_nc));
BLI_duplicatelist(&dest_nc->entries, &src_nc->entries);
dest_node->storage = dest_nc;
}
void register_node_type_cmp_cryptomatte(void)
{
static bNodeType ntype;
cmp_node_type_base(&ntype, CMP_NODE_CRYPTOMATTE, "Cryptomatte", NODE_CLASS_CONVERTOR, 0);
node_type_socket_templates(&ntype, nullptr, outputs);
node_type_init(&ntype, init);
node_type_storage(&ntype, "NodeCryptomatte", node_free_cryptomatte, node_copy_cryptomatte);
nodeRegisterType(&ntype);
}
}
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