code cleanup: make bmesh operator names more consistant since python has access to...
[blender.git] / source / blender / modifiers / intern / MOD_dynamicpaint.c
1 /*
2  * ***** BEGIN GPL LICENSE BLOCK *****
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License
6  * as published by the Free Software Foundation; either version 2
7  * of the License, or (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software  Foundation,
16  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
17  *
18  * Contributor(s): Miika Hämäläinen
19  *
20  * ***** END GPL LICENSE BLOCK *****
21  *
22  */
23
24 /** \file blender/modifiers/intern/MOD_dynamicpaint.c
25  *  \ingroup modifiers
26  */
27
28 #include <stddef.h>
29
30 #include "DNA_dynamicpaint_types.h"
31 #include "DNA_meshdata_types.h"
32 #include "DNA_object_types.h"
33 #include "DNA_scene_types.h"
34
35 #include "MEM_guardedalloc.h"
36
37 #include "BLI_utildefines.h"
38
39 #include "BKE_cdderivedmesh.h"
40 #include "BKE_dynamicpaint.h"
41 #include "BKE_modifier.h"
42
43 #include "depsgraph_private.h"
44
45 #include "MOD_util.h"
46
47
48 static void initData(ModifierData *md) 
49 {
50         DynamicPaintModifierData *pmd = (DynamicPaintModifierData *) md;
51         
52         pmd->canvas = NULL;
53         pmd->brush = NULL;
54         pmd->type = MOD_DYNAMICPAINT_TYPE_CANVAS;
55 }
56
57 static void copyData(ModifierData *md, ModifierData *target)
58 {
59         DynamicPaintModifierData *pmd  = (DynamicPaintModifierData *)md;
60         DynamicPaintModifierData *tpmd = (DynamicPaintModifierData *)target;
61         
62         dynamicPaint_Modifier_copy(pmd, tpmd);
63 }
64
65 static void freeData(ModifierData *md)
66 {
67         DynamicPaintModifierData *pmd = (DynamicPaintModifierData *) md;
68         dynamicPaint_Modifier_free(pmd);
69 }
70
71 static CustomDataMask requiredDataMask(Object *UNUSED(ob), ModifierData *md)
72 {
73         DynamicPaintModifierData *pmd = (DynamicPaintModifierData *)md;
74         CustomDataMask dataMask = 0;
75
76         if (pmd->canvas) {
77                 DynamicPaintSurface *surface = pmd->canvas->surfaces.first;
78                 for (; surface; surface = surface->next) {
79                         /* tface */
80                         if (surface->format == MOD_DPAINT_SURFACE_F_IMAGESEQ || 
81                             surface->init_color_type == MOD_DPAINT_INITIAL_TEXTURE)
82                         {
83                                 dataMask |= (1 << CD_MTFACE);
84                         }
85                         /* mcol */
86                         if (surface->type == MOD_DPAINT_SURFACE_T_PAINT ||
87                             surface->init_color_type == MOD_DPAINT_INITIAL_VERTEXCOLOR)
88                         {
89                                 dataMask |= (1 << CD_MCOL);
90                         }
91                         /* CD_MDEFORMVERT */
92                         if (surface->type == MOD_DPAINT_SURFACE_T_WEIGHT) {
93                                 dataMask |= (1 << CD_MDEFORMVERT);
94                         }
95                 }
96         }
97
98         if (pmd->brush) {
99                 if (pmd->brush->flags & MOD_DPAINT_USE_MATERIAL) {
100                         dataMask |= (1 << CD_MTFACE);
101                 }
102         }
103         return dataMask;
104 }
105
106 static DerivedMesh *applyModifier(ModifierData *md, Object *ob, 
107                                   DerivedMesh *dm,
108                                   ModifierApplyFlag UNUSED(flag))
109 {
110         DynamicPaintModifierData *pmd = (DynamicPaintModifierData *) md;
111
112         return dynamicPaint_Modifier_do(pmd, md->scene, ob, dm);
113 }
114
115 static void updateDepgraph(ModifierData *md, DagForest *forest,
116                            struct Scene *scene,
117                            Object *ob,
118                            DagNode *obNode)
119 {
120         DynamicPaintModifierData *pmd = (DynamicPaintModifierData *) md;
121
122         /* add relation from canvases to all brush objects */
123         if (pmd && pmd->canvas) {
124                 Base *base = scene->base.first;
125
126                 for (; base; base = base->next) {
127                         DynamicPaintModifierData *pmd2 =
128                                 (DynamicPaintModifierData *)modifiers_findByType(base->object, eModifierType_DynamicPaint);
129
130                         if (pmd2 && pmd2->brush && ob != base->object) {
131                                 DagNode *brushNode = dag_get_node(forest, base->object);
132                                 dag_add_relation(forest, brushNode, obNode, DAG_RL_DATA_DATA | DAG_RL_OB_DATA, "Dynamic Paint Brush");
133                         }
134                 }
135         }
136 }
137
138 static int dependsOnTime(ModifierData *UNUSED(md))
139 {
140         return 1;
141 }
142
143 static void foreachIDLink(ModifierData *md, Object *ob,
144                           IDWalkFunc walk, void *userData)
145 {
146         DynamicPaintModifierData *pmd = (DynamicPaintModifierData *) md;
147
148         if (pmd->canvas) {
149                 DynamicPaintSurface *surface = pmd->canvas->surfaces.first;
150
151                 for (; surface; surface = surface->next) {
152                         walk(userData, ob, (ID **)&surface->brush_group);
153                         walk(userData, ob, (ID **)&surface->init_texture);
154                 }
155         }
156         if (pmd->brush) {
157                 walk(userData, ob, (ID **)&pmd->brush->mat);
158         }
159 }
160
161 static void foreachTexLink(ModifierData *UNUSED(md), Object *UNUSED(ob),
162                            TexWalkFunc UNUSED(walk), void *UNUSED(userData))
163 {
164         //walk(userData, ob, md, ""); /* re-enable when possible */
165 }
166
167 ModifierTypeInfo modifierType_DynamicPaint = {
168         /* name */              "Dynamic Paint",
169         /* structName */        "DynamicPaintModifierData",
170         /* structSize */        sizeof(DynamicPaintModifierData),
171         /* type */              eModifierTypeType_Constructive,
172         /* flags */             eModifierTypeFlag_AcceptsMesh |
173 /*                              eModifierTypeFlag_SupportsMapping |*/
174                                 eModifierTypeFlag_UsesPointCache |
175                                 eModifierTypeFlag_Single |
176                                 eModifierTypeFlag_UsesPreview,
177
178         /* copyData */          copyData,
179         /* deformVerts */       NULL,
180         /* deformMatrices */    NULL,
181         /* deformVertsEM */     NULL,
182         /* deformMatricesEM */  NULL,
183         /* applyModifier */     applyModifier,
184         /* applyModifierEM */   NULL,
185         /* initData */          initData,
186         /* requiredDataMask */  requiredDataMask,
187         /* freeData */          freeData,
188         /* isDisabled */        NULL,
189         /* updateDepgraph */    updateDepgraph,
190         /* dependsOnTime */     dependsOnTime,
191         /* dependsOnNormals */  NULL,
192         /* foreachObjectLink */ NULL,
193         /* foreachIDLink */     foreachIDLink,
194         /* foreachTexLink */    foreachTexLink,
195 };