1 /*
2  * This program is free software; you can redistribute it and/or
3  * modify it under the terms of the GNU General Public License
4  * as published by the Free Software Foundation; either version 2
5  * of the License, or (at your option) any later version.
6  *
7  * This program is distributed in the hope that it will be useful,
8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
10  * GNU General Public License for more details.
11  *
12  * You should have received a copy of the GNU General Public License
13  * along with this program; if not, write to the Free Software Foundation,
14  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
15  *
16  * The Original Code is Copyright (C) 2007 Blender Foundation.
17  * All rights reserved.
18  */
19 
20 /** \file
21  * \ingroup nodes
22  */
23 
24 #pragma once
25 
26 #include "DNA_listBase.h"
27 
28 #include "BLI_utildefines.h"
29 
30 #include "BKE_node.h"
31 
32 #include "MEM_guardedalloc.h"
33 
34 #include "NOD_socket.h"
35 
36 #include "GPU_material.h" /* For Shader muting GPU code... */
37 
38 #include "RNA_access.h"
39 
40 #ifdef __cplusplus
41 extern "C" {
42 #endif
43 
44 struct bNode;
45 struct bNodeTree;
46 
47 /* data for initializing node execution */
48 typedef struct bNodeExecContext {
49   struct bNodeInstanceHash *previews;
50 } bNodeExecContext;
51 
52 typedef struct bNodeExecData {
53   void *data;                   /* custom data storage */
54   struct bNodePreview *preview; /* optional preview image */
55 } bNodeExecData;
56 
57 /**** Storage Data ****/
58 
59 extern void node_free_curves(struct bNode *node);
60 extern void node_free_standard_storage(struct bNode *node);
61 
62 extern void node_copy_curves(struct bNodeTree *dest_ntree,
63                              struct bNode *dest_node,
64                              const struct bNode *src_node);
65 extern void node_copy_standard_storage(struct bNodeTree *dest_ntree,
66                                        struct bNode *dest_node,
67                                        const struct bNode *src_node);
68 extern void *node_initexec_curves(struct bNodeExecContext *context,
69                                   struct bNode *node,
70                                   bNodeInstanceKey key);
71 
72 /**** Updates ****/
73 void node_sock_label(struct bNodeSocket *sock, const char *name);
74 void node_math_update(struct bNodeTree *ntree, struct bNode *node);
75 
76 /**** Labels ****/
77 void node_blend_label(struct bNodeTree *ntree, struct bNode *node, char *label, int maxlen);
78 void node_image_label(struct bNodeTree *ntree, struct bNode *node, char *label, int maxlen);
79 void node_math_label(struct bNodeTree *ntree, struct bNode *node, char *label, int maxlen);
80 void node_vector_math_label(struct bNodeTree *ntree, struct bNode *node, char *label, int maxlen);
81 void node_filter_label(struct bNodeTree *ntree, struct bNode *node, char *label, int maxlen);
82 
83 /*** Link Handling */
84 void node_insert_link_default(struct bNodeTree *ntree, struct bNode *node, struct bNodeLink *link);
85 void node_update_internal_links_default(struct bNodeTree *ntree, struct bNode *node);
86 
87 float node_socket_get_float(struct bNodeTree *ntree, struct bNode *node, struct bNodeSocket *sock);
88 void node_socket_set_float(struct bNodeTree *ntree,
89                            struct bNode *node,
90                            struct bNodeSocket *sock,
91                            float value);
92 void node_socket_get_color(struct bNodeTree *ntree,
93                            struct bNode *node,
94                            struct bNodeSocket *sock,
95                            float *value);
96 void node_socket_set_color(struct bNodeTree *ntree,
97                            struct bNode *node,
98                            struct bNodeSocket *sock,
99                            const float *value);
100 void node_socket_get_vector(struct bNodeTree *ntree,
101                             struct bNode *node,
102                             struct bNodeSocket *sock,
103                             float *value);
104 void node_socket_set_vector(struct bNodeTree *ntree,
105                             struct bNode *node,
106                             struct bNodeSocket *sock,
107                             const float *value);
108 
109 #ifdef __cplusplus
110 }
111 #endif
112