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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) 2007 Blender Foundation.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): Lukas Toennne
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/nodes/intern/node_socket.c
* \ingroup nodes
*/
#include <limits.h>
#include "DNA_node_types.h"
#include "BLI_listbase.h"
#include "BLI_math.h"
#include "BLI_utildefines.h"
#include "BLI_string.h"
#include "BKE_node.h"
#include "RNA_access.h"
#include "RNA_types.h"
#include "MEM_guardedalloc.h"
#include "NOD_socket.h"
struct Main;
struct bNodeSocket *node_add_socket_from_template(struct bNodeTree *ntree, struct bNode *node, struct bNodeSocketTemplate *stemp, int in_out)
{
bNodeSocket *sock = nodeAddStaticSocket(ntree, node, in_out, stemp->type, stemp->subtype, stemp->identifier, stemp->name);
sock->flag |= stemp->flag;
/* initialize default_value */
switch (stemp->type) {
case SOCK_FLOAT:
{
bNodeSocketValueFloat *dval = sock->default_value;
dval->value = stemp->val1;
dval->min = stemp->min;
dval->max = stemp->max;
break;
}
case SOCK_INT:
{
bNodeSocketValueInt *dval = sock->default_value;
dval->value = (int)stemp->val1;
dval->min = (int)stemp->min;
dval->max = (int)stemp->max;
break;
}
case SOCK_BOOLEAN:
{
bNodeSocketValueBoolean *dval = sock->default_value;
dval->value = (int)stemp->val1;
break;
}
case SOCK_VECTOR:
{
bNodeSocketValueVector *dval = sock->default_value;
dval->value[0] = stemp->val1;
dval->value[1] = stemp->val2;
dval->value[2] = stemp->val3;
dval->min = stemp->min;
dval->max = stemp->max;
break;
}
case SOCK_RGBA:
{
bNodeSocketValueRGBA *dval = sock->default_value;
dval->value[0] = stemp->val1;
dval->value[1] = stemp->val2;
dval->value[2] = stemp->val3;
dval->value[3] = stemp->val4;
break;
}
}
return sock;
}
static bNodeSocket *verify_socket_template(bNodeTree *ntree, bNode *node, int in_out, ListBase *socklist, bNodeSocketTemplate *stemp)
{
bNodeSocket *sock;
for (sock = socklist->first; sock; sock = sock->next) {
if (STREQLEN(sock->name, stemp->name, NODE_MAXSTR))
break;
}
if (sock) {
if (sock->type != stemp->type) {
nodeModifySocketType(ntree, node, sock, stemp->type, stemp->subtype);
}
sock->limit = (stemp->limit == 0 ? (in_out == SOCK_IN ? 1 : 0xFFF) : stemp->limit);
sock->flag |= stemp->flag;
}
else {
/* no socket for this template found, make a new one */
sock = node_add_socket_from_template(ntree, node, stemp, in_out);
}
/* remove the new socket from the node socket list first,
* will be added back after verification. */
BLI_remlink(socklist, sock);
return sock;
}
static void verify_socket_template_list(bNodeTree *ntree, bNode *node, int in_out, ListBase *socklist, bNodeSocketTemplate *stemp_first)
{
bNodeSocket *sock, *nextsock;
bNodeSocketTemplate *stemp;
/* no inputs anymore? */
if (stemp_first == NULL) {
for (sock = (bNodeSocket *)socklist->first; sock; sock = nextsock) {
nextsock = sock->next;
nodeRemoveSocket(ntree, node, sock);
}
}
else {
/* step by step compare */
stemp = stemp_first;
while (stemp->type != -1) {
stemp->sock = verify_socket_template(ntree, node, in_out, socklist, stemp);
stemp++;
}
/* leftovers are removed */
for (sock = (bNodeSocket *)socklist->first; sock; sock = nextsock) {
nextsock = sock->next;
nodeRemoveSocket(ntree, node, sock);
}
/* and we put back the verified sockets */
stemp = stemp_first;
if (socklist->first) {
/* some dynamic sockets left, store the list start
* so we can add static sockets infront of it.
*/
sock = socklist->first;
while (stemp->type != -1) {
/* put static sockets infront of dynamic */
BLI_insertlinkbefore(socklist, sock, stemp->sock);
stemp++;
}
}
else {
while (stemp->type != -1) {
BLI_addtail(socklist, stemp->sock);
stemp++;
}
}
}
}
void node_verify_socket_templates(bNodeTree *ntree, bNode *node)
{
bNodeType *ntype = node->typeinfo;
/* Don't try to match socket lists when there are no templates.
* This prevents dynamically generated sockets to be removed, like for
* group, image or render layer nodes. We have an explicit check for the
* render layer node since it still has fixed sockets too.
*/
if (ntype) {
if (ntype->inputs && ntype->inputs[0].type >= 0)
verify_socket_template_list(ntree, node, SOCK_IN, &node->inputs, ntype->inputs);
if (ntype->outputs && ntype->outputs[0].type >= 0 && node->type != CMP_NODE_R_LAYERS)
verify_socket_template_list(ntree, node, SOCK_OUT, &node->outputs, ntype->outputs);
}
}
void node_socket_init_default_value(bNodeSocket *sock)
{
int type = sock->typeinfo->type;
int subtype = sock->typeinfo->subtype;
if (sock->default_value)
return; /* already initialized */
switch (type) {
case SOCK_FLOAT:
{
bNodeSocketValueFloat *dval = MEM_callocN(sizeof(bNodeSocketValueFloat), "node socket value float");
dval->subtype = subtype;
dval->value = 0.0f;
dval->min = -FLT_MAX;
dval->max = FLT_MAX;
sock->default_value = dval;
break;
}
case SOCK_INT:
{
bNodeSocketValueInt *dval = MEM_callocN(sizeof(bNodeSocketValueInt), "node socket value int");
dval->subtype = subtype;
dval->value = 0;
dval->min = INT_MIN;
dval->max = INT_MAX;
sock->default_value = dval;
break;
}
case SOCK_BOOLEAN:
{
bNodeSocketValueBoolean *dval = MEM_callocN(sizeof(bNodeSocketValueBoolean), "node socket value bool");
dval->value = false;
sock->default_value = dval;
break;
}
case SOCK_VECTOR:
{
static float default_value[] = { 0.0f, 0.0f, 0.0f };
bNodeSocketValueVector *dval = MEM_callocN(sizeof(bNodeSocketValueVector), "node socket value vector");
dval->subtype = subtype;
copy_v3_v3(dval->value, default_value);
dval->min = -FLT_MAX;
dval->max = FLT_MAX;
sock->default_value = dval;
break;
}
case SOCK_RGBA:
{
static float default_value[] = { 0.0f, 0.0f, 0.0f, 1.0f };
bNodeSocketValueRGBA *dval = MEM_callocN(sizeof(bNodeSocketValueRGBA), "node socket value color");
copy_v4_v4(dval->value, default_value);
sock->default_value = dval;
break;
}
case SOCK_STRING:
{
bNodeSocketValueString *dval = MEM_callocN(sizeof(bNodeSocketValueString), "node socket value string");
dval->subtype = subtype;
dval->value[0] = '\0';
sock->default_value = dval;
break;
}
}
}
void node_socket_copy_default_value(bNodeSocket *to, bNodeSocket *from)
{
/* sanity check */
if (to->type != from->type)
return;
/* make sure both exist */
if (!from->default_value)
return;
node_socket_init_default_value(to);
switch (from->typeinfo->type) {
case SOCK_FLOAT:
{
bNodeSocketValueFloat *toval = to->default_value;
bNodeSocketValueFloat *fromval = from->default_value;
*toval = *fromval;
break;
}
case SOCK_INT:
{
bNodeSocketValueInt *toval = to->default_value;
bNodeSocketValueInt *fromval = from->default_value;
*toval = *fromval;
break;
}
case SOCK_BOOLEAN:
{
bNodeSocketValueBoolean *toval = to->default_value;
bNodeSocketValueBoolean *fromval = from->default_value;
*toval = *fromval;
break;
}
case SOCK_VECTOR:
{
bNodeSocketValueVector *toval = to->default_value;
bNodeSocketValueVector *fromval = from->default_value;
*toval = *fromval;
break;
}
case SOCK_RGBA:
{
bNodeSocketValueRGBA *toval = to->default_value;
bNodeSocketValueRGBA *fromval = from->default_value;
*toval = *fromval;
break;
}
case SOCK_STRING:
{
bNodeSocketValueString *toval = to->default_value;
bNodeSocketValueString *fromval = from->default_value;
*toval = *fromval;
break;
}
}
to->flag |= (from->flag & SOCK_HIDE_VALUE);
}
static void standard_node_socket_interface_init_socket(bNodeTree *UNUSED(ntree), bNodeSocket *stemp, bNode *UNUSED(node), bNodeSocket *sock, const char *UNUSED(data_path))
{
/* initialize the type value */
sock->type = sock->typeinfo->type;
/* XXX socket interface 'type' value is not used really,
* but has to match or the copy function will bail out
*/
stemp->type = stemp->typeinfo->type;
/* copy default_value settings */
node_socket_copy_default_value(sock, stemp);
}
/* copies settings that are not changed for each socket instance */
static void standard_node_socket_interface_verify_socket(bNodeTree *UNUSED(ntree), bNodeSocket *stemp, bNode *UNUSED(node), bNodeSocket *sock, const char *UNUSED(data_path))
{
/* sanity check */
if (sock->type != stemp->typeinfo->type)
return;
/* make sure both exist */
if (!stemp->default_value)
return;
node_socket_init_default_value(sock);
switch (stemp->typeinfo->type) {
case SOCK_FLOAT:
{
bNodeSocketValueFloat *toval = sock->default_value;
bNodeSocketValueFloat *fromval = stemp->default_value;
toval->min = fromval->min;
toval->max = fromval->max;
break;
}
case SOCK_INT:
{
bNodeSocketValueInt *toval = sock->default_value;
bNodeSocketValueInt *fromval = stemp->default_value;
toval->min = fromval->min;
toval->max = fromval->max;
break;
}
case SOCK_VECTOR:
{
bNodeSocketValueVector *toval = sock->default_value;
bNodeSocketValueVector *fromval = stemp->default_value;
toval->min = fromval->min;
toval->max = fromval->max;
break;
}
}
}
static void standard_node_socket_interface_from_socket(bNodeTree *UNUSED(ntree), bNodeSocket *stemp, bNode *UNUSED(node), bNodeSocket *sock)
{
/* initialize settings */
stemp->type = stemp->typeinfo->type;
node_socket_copy_default_value(stemp, sock);
}
static bNodeSocketType *make_standard_socket_type(int type, int subtype)
{
extern void ED_init_standard_node_socket_type(bNodeSocketType *);
const char *socket_idname = nodeStaticSocketType(type, subtype);
const char *interface_idname = nodeStaticSocketInterfaceType(type, subtype);
bNodeSocketType *stype;
StructRNA *srna;
stype = MEM_callocN(sizeof(bNodeSocketType), "node socket C type");
BLI_strncpy(stype->idname, socket_idname, sizeof(stype->idname));
/* set the RNA type
* uses the exact same identifier as the socket type idname */
srna = stype->ext_socket.srna = RNA_struct_find(socket_idname);
BLI_assert(srna != NULL);
/* associate the RNA type with the socket type */
RNA_struct_blender_type_set(srna, stype);
/* set the interface RNA type */
srna = stype->ext_interface.srna = RNA_struct_find(interface_idname);
BLI_assert(srna != NULL);
/* associate the RNA type with the socket type */
RNA_struct_blender_type_set(srna, stype);
/* extra type info for standard socket types */
stype->type = type;
stype->subtype = subtype;
/* XXX bad-level call! needed for setting draw callbacks */
ED_init_standard_node_socket_type(stype);
stype->interface_init_socket = standard_node_socket_interface_init_socket;
stype->interface_from_socket = standard_node_socket_interface_from_socket;
stype->interface_verify_socket = standard_node_socket_interface_verify_socket;
return stype;
}
static bNodeSocketType *make_socket_type_virtual(void)
{
extern void ED_init_node_socket_type_virtual(bNodeSocketType *);
const char *socket_idname = "NodeSocketVirtual";
bNodeSocketType *stype;
StructRNA *srna;
stype = MEM_callocN(sizeof(bNodeSocketType), "node socket C type");
BLI_strncpy(stype->idname, socket_idname, sizeof(stype->idname));
/* set the RNA type
* uses the exact same identifier as the socket type idname */
srna = stype->ext_socket.srna = RNA_struct_find(socket_idname);
BLI_assert(srna != NULL);
/* associate the RNA type with the socket type */
RNA_struct_blender_type_set(srna, stype);
/* extra type info for standard socket types */
stype->type = SOCK_CUSTOM;
ED_init_node_socket_type_virtual(stype);
return stype;
}
void register_standard_node_socket_types(void)
{
/* draw callbacks are set in drawnode.c to avoid bad-level calls */
nodeRegisterSocketType(make_standard_socket_type(SOCK_FLOAT, PROP_NONE));
nodeRegisterSocketType(make_standard_socket_type(SOCK_FLOAT, PROP_UNSIGNED));
nodeRegisterSocketType(make_standard_socket_type(SOCK_FLOAT, PROP_PERCENTAGE));
nodeRegisterSocketType(make_standard_socket_type(SOCK_FLOAT, PROP_FACTOR));
nodeRegisterSocketType(make_standard_socket_type(SOCK_FLOAT, PROP_ANGLE));
nodeRegisterSocketType(make_standard_socket_type(SOCK_FLOAT, PROP_TIME));
nodeRegisterSocketType(make_standard_socket_type(SOCK_INT, PROP_NONE));
nodeRegisterSocketType(make_standard_socket_type(SOCK_INT, PROP_UNSIGNED));
nodeRegisterSocketType(make_standard_socket_type(SOCK_INT, PROP_PERCENTAGE));
nodeRegisterSocketType(make_standard_socket_type(SOCK_INT, PROP_FACTOR));
nodeRegisterSocketType(make_standard_socket_type(SOCK_BOOLEAN, PROP_NONE));
nodeRegisterSocketType(make_standard_socket_type(SOCK_VECTOR, PROP_NONE));
nodeRegisterSocketType(make_standard_socket_type(SOCK_VECTOR, PROP_TRANSLATION));
nodeRegisterSocketType(make_standard_socket_type(SOCK_VECTOR, PROP_DIRECTION));
nodeRegisterSocketType(make_standard_socket_type(SOCK_VECTOR, PROP_VELOCITY));
nodeRegisterSocketType(make_standard_socket_type(SOCK_VECTOR, PROP_ACCELERATION));
nodeRegisterSocketType(make_standard_socket_type(SOCK_VECTOR, PROP_EULER));
nodeRegisterSocketType(make_standard_socket_type(SOCK_VECTOR, PROP_XYZ));
nodeRegisterSocketType(make_standard_socket_type(SOCK_RGBA, PROP_NONE));
nodeRegisterSocketType(make_standard_socket_type(SOCK_STRING, PROP_NONE));
nodeRegisterSocketType(make_standard_socket_type(SOCK_SHADER, PROP_NONE));
nodeRegisterSocketType(make_socket_type_virtual());
}
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