2011-02-23 10:52:22 +00:00
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/*
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2007-04-04 13:58:12 +00:00
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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2018-06-01 18:19:39 +02:00
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* of the License, or (at your option) any later version.
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2007-04-04 13:58:12 +00:00
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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2010-02-12 13:34:04 +00:00
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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2007-04-04 13:58:12 +00:00
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*
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* The Original Code is Copyright (C) 2007 Blender Foundation.
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* All rights reserved.
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*/
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2019-02-18 08:08:12 +11:00
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/** \file
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* \ingroup nodes
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2011-02-27 20:13:22 +00:00
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*/
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2012-02-17 18:59:41 +00:00
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#pragma once
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2007-04-04 13:58:12 +00:00
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2011-09-05 21:01:50 +00:00
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#include "DNA_listBase.h"
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2013-03-18 16:34:57 +00:00
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#include "BLI_utildefines.h"
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2011-09-05 21:01:50 +00:00
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#include "BKE_node.h"
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2007-04-04 13:58:12 +00:00
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#include "MEM_guardedalloc.h"
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2011-09-05 21:01:50 +00:00
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#include "NOD_socket.h"
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2011-11-20 16:38:23 +00:00
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#include "GPU_material.h" /* For Shader muting GPU code... */
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2013-03-18 16:34:57 +00:00
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#include "RNA_access.h"
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2020-04-20 10:58:43 +02:00
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#ifdef __cplusplus
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extern "C" {
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#endif
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2011-09-05 21:01:50 +00:00
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struct bNode;
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2019-01-28 21:08:24 +11:00
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struct bNodeTree;
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2011-09-05 21:01:50 +00:00
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2013-03-18 16:34:57 +00:00
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/* data for initializing node execution */
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typedef struct bNodeExecContext {
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struct bNodeInstanceHash *previews;
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} bNodeExecContext;
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typedef struct bNodeExecData {
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void *data; /* custom data storage */
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struct bNodePreview *preview; /* optional preview image */
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} bNodeExecData;
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2011-09-05 21:01:50 +00:00
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/**** Storage Data ****/
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2007-04-05 10:49:25 +00:00
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extern void node_free_curves(struct bNode *node);
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2007-04-04 13:58:12 +00:00
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extern void node_free_standard_storage(struct bNode *node);
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2013-03-18 16:34:57 +00:00
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extern void node_copy_curves(struct bNodeTree *dest_ntree,
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struct bNode *dest_node,
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2019-06-03 17:08:25 +02:00
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const struct bNode *src_node);
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2013-03-18 16:34:57 +00:00
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extern void node_copy_standard_storage(struct bNodeTree *dest_ntree,
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struct bNode *dest_node,
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2019-06-03 17:08:25 +02:00
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const struct bNode *src_node);
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2013-03-18 16:34:57 +00:00
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extern void *node_initexec_curves(struct bNodeExecContext *context,
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struct bNode *node,
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bNodeInstanceKey key);
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2007-04-04 13:58:12 +00:00
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2020-02-11 15:31:40 +00:00
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/**** Updates ****/
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void node_sock_label(struct bNodeSocket *sock, const char *name);
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2021-03-23 09:21:56 +00:00
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void node_sock_label_clear(struct bNodeSocket *sock);
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2020-02-11 15:31:40 +00:00
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void node_math_update(struct bNodeTree *ntree, struct bNode *node);
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2011-09-05 21:01:50 +00:00
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2020-02-11 15:31:40 +00:00
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/**** Labels ****/
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2013-11-12 18:18:04 +00:00
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void node_blend_label(struct bNodeTree *ntree, struct bNode *node, char *label, int maxlen);
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2018-01-07 22:29:25 +01:00
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void node_image_label(struct bNodeTree *ntree, struct bNode *node, char *label, int maxlen);
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2013-11-12 18:18:04 +00:00
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void node_math_label(struct bNodeTree *ntree, struct bNode *node, char *label, int maxlen);
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Shading: Add more operators to Vector Math node.
Add Multiply, Divide, Project, Reflect, Distance, Length, Scale, Snap,
Floor, Ceil, Modulo, Fraction, Absolute, Minimum, and Maximum operators
to the Vector Math node. The Value output has been removed from operators
whose output is a vector, and the other way around. All of those removals
has been handled properly in versioning code.
The patch doesn't include tests for the new operators. Tests will be added
in a later patch.
Reviewers: brecht, JacquesLucke
Differential Revision: https://developer.blender.org/D5523
2019-08-21 19:36:33 +02:00
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void node_vector_math_label(struct bNodeTree *ntree, struct bNode *node, char *label, int maxlen);
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2013-11-12 18:18:04 +00:00
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void node_filter_label(struct bNodeTree *ntree, struct bNode *node, char *label, int maxlen);
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2011-02-08 12:54:32 +00:00
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Node callback for handling link insertion and swapping of occupied inputs.
Nodes have a feature for moving existing links to unoccupied sockets when connecting
to an already used input. This is based on the standard legacy socket types (value/float,
vector, color/rgba) and works reasonably well for shader, compositor and texture nodes.
For new pynode systems, however, the hardcoded nature of that feature has major drawbacks:
* It does not take different type systems into account, leading to meaningless connections
when sockets are swapped and making the feature useless or outright debilitating.
* Advanced socket behaviors would be possible with a registerable callback, e.g. creating
extensible input lists that move existing connections down to make room for a new link.
Now any handling of new links is done via the 'insert_links' callback, which can also be
registered through the RNA API. For the legacy shader/compo/tex nodes the behavior is the
same, using a C callback.
Note on the 'use_swap' flag: this has been removed because it was meaningless anyway:
It was disabled only for the insert-node-on-link feature, which works only for
completely unconnected nodes anyway, so there would be nothing to swap in the first place.
2015-12-03 12:51:29 +01:00
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/*** Link Handling */
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void node_insert_link_default(struct bNodeTree *ntree, struct bNode *node, struct bNodeLink *link);
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2012-10-25 16:49:06 +00:00
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void node_update_internal_links_default(struct bNodeTree *ntree, struct bNode *node);
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2011-11-20 16:38:23 +00:00
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2013-03-18 16:34:57 +00:00
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float node_socket_get_float(struct bNodeTree *ntree, struct bNode *node, struct bNodeSocket *sock);
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void node_socket_set_float(struct bNodeTree *ntree,
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struct bNode *node,
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struct bNodeSocket *sock,
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float value);
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void node_socket_get_color(struct bNodeTree *ntree,
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struct bNode *node,
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struct bNodeSocket *sock,
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float *value);
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void node_socket_set_color(struct bNodeTree *ntree,
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struct bNode *node,
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struct bNodeSocket *sock,
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const float *value);
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void node_socket_get_vector(struct bNodeTree *ntree,
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struct bNode *node,
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struct bNodeSocket *sock,
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float *value);
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void node_socket_set_vector(struct bNodeTree *ntree,
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struct bNode *node,
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struct bNodeSocket *sock,
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const float *value);
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2020-04-20 10:58:43 +02:00
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#ifdef __cplusplus
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}
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#endif
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