diff options
author | Bastien Montagne <montagne29@wanadoo.fr> | 2011-07-25 19:27:01 +0400 |
---|---|---|
committer | Bastien Montagne <montagne29@wanadoo.fr> | 2011-07-25 19:27:01 +0400 |
commit | 1e2e08085319712183aa8171c003c851f7707ce1 (patch) | |
tree | 158e9de5b7fa7f53746fc8c48dedb363725ce240 /source/blender/modifiers | |
parent | 110f6d81ec27c8620ef693a743de18b6aaafeb44 (diff) |
Adding WeightVG modifiers code. Still some points to tweak, though.
NOTE : Haven’t yet tested build with scons, will do asap (unless someone else does :) ).
Diffstat (limited to 'source/blender/modifiers')
-rw-r--r-- | source/blender/modifiers/CMakeLists.txt | 5 | ||||
-rw-r--r-- | source/blender/modifiers/MOD_modifiertypes.h | 3 | ||||
-rw-r--r-- | source/blender/modifiers/intern/MOD_util.c | 3 | ||||
-rw-r--r-- | source/blender/modifiers/intern/MOD_weightvg_util.c | 246 | ||||
-rw-r--r-- | source/blender/modifiers/intern/MOD_weightvg_util.h | 82 | ||||
-rw-r--r-- | source/blender/modifiers/intern/MOD_weightvgedit.c | 343 | ||||
-rw-r--r-- | source/blender/modifiers/intern/MOD_weightvgmix.c | 433 | ||||
-rw-r--r-- | source/blender/modifiers/intern/MOD_weightvgproximity.c | 512 |
8 files changed, 1627 insertions, 0 deletions
diff --git a/source/blender/modifiers/CMakeLists.txt b/source/blender/modifiers/CMakeLists.txt index d1f153265ac..4c3a7423aba 100644 --- a/source/blender/modifiers/CMakeLists.txt +++ b/source/blender/modifiers/CMakeLists.txt @@ -80,11 +80,16 @@ set(SRC intern/MOD_uvproject.c intern/MOD_warp.c intern/MOD_wave.c + intern/MOD_weightvg_util.c + intern/MOD_weightvgedit.c + intern/MOD_weightvgmix.c + intern/MOD_weightvgproximity.c MOD_modifiertypes.h intern/MOD_boolean_util.h intern/MOD_fluidsim_util.h intern/MOD_util.h + intern/MOD_weightvg_util.h ) if(WITH_MOD_BOOLEAN) diff --git a/source/blender/modifiers/MOD_modifiertypes.h b/source/blender/modifiers/MOD_modifiertypes.h index 4e44a226c64..0ba906a433b 100644 --- a/source/blender/modifiers/MOD_modifiertypes.h +++ b/source/blender/modifiers/MOD_modifiertypes.h @@ -72,6 +72,9 @@ extern ModifierTypeInfo modifierType_ShapeKey; extern ModifierTypeInfo modifierType_Solidify; extern ModifierTypeInfo modifierType_Screw; extern ModifierTypeInfo modifierType_Warp; +extern ModifierTypeInfo modifierType_WeightVGEdit; +extern ModifierTypeInfo modifierType_WeightVGMix; +extern ModifierTypeInfo modifierType_WeightVGProximity; /* MOD_util.c */ void modifier_type_init(ModifierTypeInfo *types[]); diff --git a/source/blender/modifiers/intern/MOD_util.c b/source/blender/modifiers/intern/MOD_util.c index e9b835eab81..26e9d48cd0a 100644 --- a/source/blender/modifiers/intern/MOD_util.c +++ b/source/blender/modifiers/intern/MOD_util.c @@ -295,5 +295,8 @@ void modifier_type_init(ModifierTypeInfo *types[]) INIT_TYPE(Solidify); INIT_TYPE(Screw); INIT_TYPE(Warp); + INIT_TYPE(WeightVGEdit); + INIT_TYPE(WeightVGMix); + INIT_TYPE(WeightVGProximity); #undef INIT_TYPE } diff --git a/source/blender/modifiers/intern/MOD_weightvg_util.c b/source/blender/modifiers/intern/MOD_weightvg_util.c new file mode 100644 index 00000000000..c18fceb1e3f --- /dev/null +++ b/source/blender/modifiers/intern/MOD_weightvg_util.c @@ -0,0 +1,246 @@ +/* +* $Id$ +* +* ***** 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) 2011 by Bastien Montagne. +* All rights reserved. +* +* Contributor(s): None yet. +* +* ***** END GPL LICENSE BLOCK ***** +* +*/ + +/* + * XXX I’d like to make modified weights visible in WeightPaint mode, + * but couldn’t figure a way to do this… + * Maybe this will need changes in mesh_calc_modifiers (DerivedMesh.c)? + * Or the WeightPaint mode code itself? + */ + +#include "BLI_utildefines.h" +#include "BLI_math.h" +#include "BLI_string.h" + +#include "DNA_mesh_types.h" +#include "DNA_meshdata_types.h" +#include "DNA_modifier_types.h" +#include "DNA_object_types.h" + +#include "BKE_cdderivedmesh.h" +#include "BKE_deform.h" +#include "BKE_mesh.h" +#include "BKE_modifier.h" +#include "BKE_texture.h" /* Texture masking. */ + +#include "depsgraph_private.h" +#include "MEM_guardedalloc.h" +#include "MOD_util.h" +#include "MOD_weightvg_util.h" +#include "RE_shader_ext.h" /* Texture masking. */ + +/* Applies new_w weights to org_w ones, using either a texture, vgroup or constant value as factor. + * Return values are in org_w. + * If indices is not NULL, it must be a table of same length as org_w and new_w, mapping to the real + * vertex index (in case the weight tables do not cover the whole vertices...). + * XXX The standard “factor” value is assumed in [0.0, 1.0] range. Else, weird results might appear. + */ +void weightvg_do_mask(int num, int *indices, float *org_w, float *new_w, Object *ob, + DerivedMesh *dm, float fact, const char *defgrp_name, Tex *texture, + int tex_use_channel, int tex_mapping, Object *tex_map_object, + const char *tex_uvlayer_name) { + int ref_didx; + MDeformVert *dvert = NULL; + int i; + + /* If influence factor is null, nothing to do! */ + if (fact == 0.0) return; + + /* If we want to mask vgroup weights from a texture. */ + if (texture) { + /* The texture coordinates. */ + float (*tex_co)[3]; + /* See mapping note below… */ + MappingInfoModifierData t_map; + float (*v_co)[3]; + + /* Use new generic get_texture_coords, but do not modify our DNA struct for it… + * XXX Why use a ModifierData stuff here ? Why not a simple, generic struct for parameters ? + * What e.g. if a modifier wants to use several textures ? + * Why use only v_co, and not MVert (or both) ? + */ + t_map.texture = texture; + t_map.map_object = tex_map_object; + BLI_strncpy(t_map.uvlayer_name, tex_uvlayer_name, sizeof(t_map.uvlayer_name)); + t_map.texmapping = tex_mapping; + v_co = MEM_mallocN(sizeof(*v_co) * num, "WeightVG Modifier, TEX mode, v_co"); + dm->getVertCos(dm, v_co); + tex_co = MEM_callocN(sizeof(*tex_co) * num, "WeightVG Modifier, TEX mode, tex_co"); + get_texture_coords(&t_map, ob, dm, v_co, tex_co, num); + MEM_freeN(v_co); + + /* For each weight (vertex), make the mix between org and new weights. */ + for(i = 0; i < num; ++i) { + int idx = indices ? indices[i] : i; + TexResult texres; + float h, s, v; /* For HSV color space. */ + + texres.nor = NULL; + get_texture_value(texture, tex_co[idx], &texres); + /* Get the good channel value… */ + switch(tex_use_channel) { + case MOD_WVG_MASK_TEX_USE_INT: + org_w[i] = (new_w[i] * texres.tin * fact) + (org_w[i] * (1.0 - (texres.tin*fact))); + break; + case MOD_WVG_MASK_TEX_USE_RED: + org_w[i] = (new_w[i] * texres.tr * fact) + (org_w[i] * (1.0 - (texres.tr*fact))); + break; + case MOD_WVG_MASK_TEX_USE_GREEN: + org_w[i] = (new_w[i] * texres.tg * fact) + (org_w[i] * (1.0 - (texres.tg*fact))); + break; + case MOD_WVG_MASK_TEX_USE_BLUE: + org_w[i] = (new_w[i] * texres.tb * fact) + (org_w[i] * (1.0 - (texres.tb*fact))); + break; + case MOD_WVG_MASK_TEX_USE_HUE: + rgb_to_hsv(texres.tr, texres.tg, texres.tb, &h, &s, &v); + org_w[i] = (new_w[i] * h * fact) + (org_w[i] * (1.0 - (h*fact))); + break; + case MOD_WVG_MASK_TEX_USE_SAT: + rgb_to_hsv(texres.tr, texres.tg, texres.tb, &h, &s, &v); + org_w[i] = (new_w[i] * s * fact) + (org_w[i] * (1.0 - (s*fact))); + break; + case MOD_WVG_MASK_TEX_USE_VAL: + rgb_to_hsv(texres.tr, texres.tg, texres.tb, &h, &s, &v); + org_w[i] = (new_w[i] * v * fact) + (org_w[i] * (1.0 - (v*fact))); + break; + case MOD_WVG_MASK_TEX_USE_ALPHA: + org_w[i] = (new_w[i] * texres.ta * fact) + (org_w[i] * (1.0 - (texres.ta*fact))); + break; + default: + org_w[i] = (new_w[i] * texres.tin * fact) + (org_w[i] * (1.0 - (texres.tin*fact))); + break; + } + } + + MEM_freeN(tex_co); + return; + } + + /* Check whether we want to set vgroup weights from a constant weight factor or a vertex + * group. + */ + /* Get vgroup idx from its name. */ + ref_didx = defgroup_name_index(ob, defgrp_name); + /* Proceed only if vgroup is valid, else use constant factor. */ + if (ref_didx >= 0) { + /* Get actual dverts (ie vertex group data). */ + dvert = dm->getVertDataArray(dm, CD_MDEFORMVERT); + /* Proceed only if vgroup is valid, else assume factor = O. */ + if (dvert == NULL) return; + + /* For each weight (vertex), make the mix between org and new weights. */ + for (i = 0; i < num; i++) { + int idx = indices ? indices[i] : i; + int j; + for (j = 0; j < dvert[idx].totweight; j++) { + if(dvert[idx].dw[j].def_nr == ref_didx) { + float f = dvert[idx].dw[j].weight * fact; + org_w[i] = (new_w[i] * f) + (org_w[i] * (1.0-f)); + break; + } + } + /* If that vertex is not in ref vgroup, assume null factor, and hence do nothing! */ + } + return; + } + + /* Default "influence" behavior. */ + /* For each weight (vertex), make the mix between org and new weights. */ + for (i = 0; i < num; i++) { + org_w[i] = (new_w[i] * fact) + (org_w[i] * (1.0-fact)); + } +} + +/* Applies weights to given vgroup (defgroup), and optionnaly add/remove vertices from the group. + * If indices is not NULL, it must be a table of same length as weights, mapping to the real + * vertex index (in case the weight table does not cover the whole vertices...). + */ +void weightvg_update_vg(MDeformVert *dvert, int defgrp_idx, int num, int *indices, + float *weights, int do_add, float add_thresh, int do_rem, + float rem_thresh){ + int i; + + for (i = 0; i < num; i++) { + int j; + float w = weights[i]; + MDeformVert *dv = &dvert[indices ? indices[i] : i]; + MDeformWeight *newdw; + + /* Let’s first check to see if this vert is already in the weight group – if so + * let’s update it, or remove it if needed. + */ + for (j = 0; j < dv->totweight; j++) { + /* If this weight corresponds to the deform group, update the value or, + * if lower than rem_threshold, remove the vertex from the vgroup. + */ + if (dv->dw[j].def_nr == defgrp_idx) { + /* Remove the vertex from this vgroup if needed. */ + if (do_rem && w < rem_thresh) { + dv->totweight--; + /* If there are still other deform weights attached to this vert then remove + * this deform weight, and reshuffle the others. + */ + if(dv->totweight) { + newdw = MEM_mallocN(sizeof(MDeformWeight)*(dv->totweight), "deformWeight"); + if(dv->dw){ + memcpy(newdw, dv->dw, sizeof(MDeformWeight)*j); + memcpy(newdw+j, dv->dw+j+1, sizeof(MDeformWeight)*(dv->totweight-j)); + MEM_freeN(dv->dw); + } + dv->dw = newdw; + } + /* If there are no other deform weights left then just remove this one. */ + else { + MEM_freeN(dv->dw); + dv->dw = NULL; + } + } + /* Else, just set the new computed weight. */ + else + dv->dw[j].weight = w; + break; + } + continue; + } + + /* If the vert wasn’t in the deform group, add it if needed! + */ + if (do_add && w > add_thresh) { + newdw = MEM_callocN(sizeof(MDeformWeight)*(dv->totweight+1), "WeightVGEdit Modifier, deformWeight"); + if(dv->dw) { + memcpy(newdw, dv->dw, sizeof(MDeformWeight)*dv->totweight); + MEM_freeN(dv->dw); + } + dv->dw = newdw; + dv->dw[dv->totweight].weight = w; + dv->dw[dv->totweight].def_nr = defgrp_idx; + dv->totweight++; + } + } +} + diff --git a/source/blender/modifiers/intern/MOD_weightvg_util.h b/source/blender/modifiers/intern/MOD_weightvg_util.h new file mode 100644 index 00000000000..1bd40e3879f --- /dev/null +++ b/source/blender/modifiers/intern/MOD_weightvg_util.h @@ -0,0 +1,82 @@ +/* +* $Id$ +* +* ***** 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) 2011 by Bastien Montagne. +* All rights reserved. +* +* Contributor(s): None yet. +* +* ***** END GPL LICENSE BLOCK ***** +* +*/ + +/** \file blender/modifiers/intern/MOD_util.h + * \ingroup modifiers + */ + + +#ifndef MOD_WEIGHTVG_UTIL_H +#define MOD_WEIGHTVG_UTIL_H + +/* so modifier types match their defines */ +#include "MOD_modifiertypes.h" + +struct Tex; +struct DerivedMesh; +struct Object; +/*struct ModifierData; +struct MappingInfoModifierData;*/ + +/* + * XXX I’d like to make modified weights visible in WeightPaint mode, + * but couldn’t figure a way to do this… + * Maybe this will need changes in mesh_calc_modifiers (DerivedMesh.c)? + * Or the WeightPaint mode code itself? + */ + +/************************************** + * Util functions. * + **************************************/ + +/* We cannot divide by zero (what a surprise…). + * So if -MOD_WEIGHTVGROUP_DIVMODE_ZEROFLOOR < weightf < MOD_WEIGHTVGROUP_DIVMODE_ZEROFLOOR, + * we clamp weightf to this value (or its negative version). + * Also used to avoid null power factor. + */ +#define MOD_WVG_ZEROFLOOR 1.0e-32f + +/* Applies new_w weights to org_w ones, using either a texture, vgroup or constant value as factor. + * Return values are in org_w. + * If indices is not NULL, it must be a table of same length as org_w and new_w, mapping to the real + * vertex index (in case the weight tables do not cover the whole vertices...). + * XXX The standard “factor” value is assumed in [0.0, 1.0] range. Else, weird results might appear. + */ +void weightvg_do_mask(int num, int *indices, float *org_w, float *new_w, Object *ob, + struct DerivedMesh *dm, float fact, const char *defgrp_name, Tex *texture, + int tex_use_channel, int tex_mapping, Object *tex_map_object, + const char *tex_uvlayer_name); + +/* Applies weights to given vgroup (defgroup), and optionnaly add/remove vertices from the group. + * If indices is not NULL, it must be a table of same length as weights, mapping to the real + * vertex index (in case the weight table does not cover the whole vertices...). + */ +void weightvg_update_vg(MDeformVert *dvert, int defgrp_idx, int num, int *indices, float *weights, + int do_add, float add_thresh, int do_rem, float rem_thresh); + +#endif /* MOD_WEIGHTVG_UTIL_H */ diff --git a/source/blender/modifiers/intern/MOD_weightvgedit.c b/source/blender/modifiers/intern/MOD_weightvgedit.c new file mode 100644 index 00000000000..c8d7ab52ce8 --- /dev/null +++ b/source/blender/modifiers/intern/MOD_weightvgedit.c @@ -0,0 +1,343 @@ +/* +* $Id$ +* +* ***** 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) 2011 by Bastien Montagne. +* All rights reserved. +* +* Contributor(s): None yet. +* +* ***** END GPL LICENSE BLOCK ***** +* +*/ + +/* + * XXX I’d like to make modified weights visible in WeightPaint mode, + * but couldn’t figure a way to do this… + * Maybe this will need changes in mesh_calc_modifiers (DerivedMesh.c)? + * Or the WeightPaint mode code itself? + */ + +#include "BLI_utildefines.h" +#include "BLI_math.h" +#include "BLI_string.h" + +#include "DNA_color_types.h" /* CurveMapping. */ +#include "DNA_mesh_types.h" +#include "DNA_meshdata_types.h" +#include "DNA_modifier_types.h" +#include "DNA_object_types.h" + +#include "BKE_cdderivedmesh.h" +#include "BKE_colortools.h" /* CurveMapping. */ +#include "BKE_deform.h" +#include "BKE_mesh.h" +#include "BKE_modifier.h" +#include "BKE_texture.h" /* Texture masking. */ + +#include "depsgraph_private.h" +#include "MEM_guardedalloc.h" +#include "MOD_util.h" +#include "MOD_weightvg_util.h" + +/************************************** + * Modifiers functions. * + **************************************/ +static void initData(ModifierData *md) +{ + WeightVGEditModifierData *wmd = (WeightVGEditModifierData*) md; + wmd->edit_flags = MOD_WVG_EDIT_CLAMP; + wmd->default_weight = 0.0f; + + wmd->map_org_min = 0.0f; + wmd->map_org_max = 1.0f; + wmd->map_new_min = 0.0f; + wmd->map_new_max = 1.0f; + wmd->cmap_curve = curvemapping_add(1, 0.0, 0.0, 1.0, 1.0); + curvemapping_initialize(wmd->cmap_curve); + + wmd->clamp_min_weight = 0.0f; + wmd->clamp_max_weight = 1.0f; + + wmd->add_threshold = 0.01f; + wmd->rem_threshold = 0.01f; + + wmd->mask_constant = 1.0f; + wmd->mask_tex_use_channel = MOD_WVG_MASK_TEX_USE_INT; /* Use intensity by default. */ + wmd->mask_tex_mapping = MOD_DISP_MAP_LOCAL; +} + +static void freeData(ModifierData *md) +{ + WeightVGEditModifierData *wmd = (WeightVGEditModifierData*) md; + curvemapping_free(wmd->cmap_curve); +} + +static void copyData(ModifierData *md, ModifierData *target) +{ + WeightVGEditModifierData *wmd = (WeightVGEditModifierData*) md; + WeightVGEditModifierData *twmd = (WeightVGEditModifierData*) target; + + BLI_strncpy(twmd->defgrp_name, wmd->defgrp_name, sizeof(twmd->defgrp_name)); + + twmd->edit_flags = wmd->edit_flags; + twmd->default_weight = wmd->default_weight; + + twmd->map_org_min = wmd->map_org_min; + twmd->map_org_max = wmd->map_org_max; + twmd->map_new_min = wmd->map_new_min; + twmd->map_new_max = wmd->map_new_max; + twmd->cmap_curve = curvemapping_copy(wmd->cmap_curve); + + twmd->clamp_min_weight = wmd->clamp_min_weight; + twmd->clamp_max_weight = wmd->clamp_max_weight; + + twmd->add_threshold = wmd->add_threshold; + twmd->rem_threshold = wmd->rem_threshold; + + twmd->mask_constant = wmd->mask_constant; + BLI_strncpy(twmd->mask_defgrp_name, wmd->mask_defgrp_name, sizeof(twmd->mask_defgrp_name)); + twmd->mask_texture = wmd->mask_texture; + twmd->mask_tex_use_channel = wmd->mask_tex_use_channel; + twmd->mask_tex_mapping = wmd->mask_tex_mapping; + twmd->mask_tex_map_obj = wmd->mask_tex_map_obj; + BLI_strncpy(twmd->mask_tex_uvlayer_name, wmd->mask_tex_uvlayer_name, + sizeof(twmd->mask_tex_uvlayer_name)); +} + +static CustomDataMask requiredDataMask(Object *UNUSED(ob), ModifierData *md) +{ + WeightVGEditModifierData *wmd = (WeightVGEditModifierData*) md; + CustomDataMask dataMask = 0; + + /* We need vertex groups! */ + dataMask |= CD_MASK_MDEFORMVERT; + + /* Ask for UV coordinates if we need them. */ + if(wmd->mask_tex_mapping == MOD_DISP_MAP_UV) + dataMask |= CD_MASK_MTFACE; + + return dataMask; +} + +static int dependsOnTime(ModifierData *md) +{ + WeightVGEditModifierData *wmd = (WeightVGEditModifierData*) md; + + if(wmd->mask_texture) + return BKE_texture_dependsOnTime(wmd->mask_texture); + return 0; +} + +static void foreachObjectLink(ModifierData *md, Object *ob, + void (*walk)(void *userData, Object *ob, Object **obpoin), + void *userData) +{ + WeightVGEditModifierData *wmd = (WeightVGEditModifierData*) md; + walk(userData, ob, &wmd->mask_tex_map_obj); +} + +static void foreachIDLink(ModifierData *md, Object *ob, IDWalkFunc walk, void *userData) +{ + WeightVGEditModifierData *wmd = (WeightVGEditModifierData*) md; + + walk(userData, ob, (ID **)&wmd->mask_texture); + + foreachObjectLink(md, ob, (ObjectWalkFunc)walk, userData); +} + +static void updateDepgraph(ModifierData *md, DagForest *forest, struct Scene *UNUSED(scene), + Object *UNUSED(ob), DagNode *obNode) +{ + WeightVGEditModifierData *wmd = (WeightVGEditModifierData*) md; + DagNode *curNode; + + if(wmd->mask_tex_map_obj && wmd->mask_tex_mapping == MOD_DISP_MAP_OBJECT) { + curNode = dag_get_node(forest, wmd->mask_tex_map_obj); + + dag_add_relation(forest, curNode, obNode, DAG_RL_DATA_DATA|DAG_RL_OB_DATA, + "WeightVGEdit Modifier"); + } + + if(wmd->mask_tex_mapping == MOD_DISP_MAP_GLOBAL) + dag_add_relation(forest, obNode, obNode, DAG_RL_DATA_DATA|DAG_RL_OB_DATA, + "WeightVGEdit Modifier"); +} + +static int isDisabled(ModifierData *md, int UNUSED(useRenderParams)) +{ + WeightVGEditModifierData *wmd = (WeightVGEditModifierData*) md; + /* If no vertex group, bypass. */ + return (wmd->defgrp_name == NULL); +} + +static DerivedMesh *applyModifier(ModifierData *md, Object *ob, DerivedMesh *derivedData, + int UNUSED(useRenderParams), int UNUSED(isFinalCalc)) +{ + WeightVGEditModifierData *wmd = (WeightVGEditModifierData*) md; + DerivedMesh *dm = derivedData; + DerivedMesh *ret; + MDeformVert *dvert = NULL; + float *org_w = NULL; /* Array original weights. */ + float *new_w = NULL; /* Array new weights. */ + int numVerts; + int defgrp_idx; + int i; + char rel_ret = 0; /* Boolean, whether we have to release ret dm or not, when not using it! */ + float *mapf = NULL; /* Cache for mapping factors. */ + /* Flags. */ + char do_map = wmd->edit_flags & MOD_WVG_EDIT_MAP; + char do_cmap = wmd->edit_flags & MOD_WVG_EDIT_CMAP; + char do_rev = wmd->edit_flags & MOD_WVG_EDIT_REVERSE_WEIGHTS; + char do_add = wmd->edit_flags & MOD_WVG_EDIT_ADD2VG; + char do_rem = wmd->edit_flags & MOD_WVG_EDIT_REMFVG; + char do_clamp = wmd->edit_flags & MOD_WVG_EDIT_CLAMP; + + /* Get number of verts. */ + numVerts = dm->getNumVerts(dm); + + /* Check if we can just return the original mesh. + * Must have verts and therefore verts assigned to vgroups to do anything useful! + */ + if ((numVerts == 0) || (ob->defbase.first == NULL)) + return dm; + + /* Create a copy of our dmesh. + * TODO: This should be done only if needed, i.e. if dm has the org data ! + */ + if (1) { + /* XXX Seems to create problems with weightpaint mode... */ +// DM_set_only_copy(dm, CD_MASK_MDEFORMVERT); /* Only copy defgroup layer. */ + ret = CDDM_copy(dm); + rel_ret = 1; + } + else + ret = dm; + + /* Get vgroup idx from its name. */ + defgrp_idx = defgroup_name_index(ob, wmd->defgrp_name); + + /* Get actual dverts (ie vertex group data). */ + if (defgrp_idx >= 0) + dvert = ret->getVertDataArray(ret, CD_MDEFORMVERT); + /* If no dverts, return unmodified data… */ + if ((defgrp_idx < 0) || (dvert == NULL)) { + if (rel_ret) + ret->release(ret); + return dm; + } + + /* Get org weights, assuming 0.0 for vertices not in given vgroup. */ + org_w = MEM_mallocN(sizeof(float) * numVerts, "WeightVGEdit Modifier, org_w"); + new_w = MEM_mallocN(sizeof(float) * numVerts, "WeightVGEdit Modifier, org_w"); + for (i = 0; i < numVerts; i++) { + int j; + org_w[i] = new_w[i] = wmd->default_weight; + for (j = 0; j < dvert[i].totweight; j++) { + if(dvert[i].dw[j].def_nr == defgrp_idx) { + org_w[i] = new_w[i] = dvert[i].dw[j].weight; + break; + } + } + /* Do mapping. */ + if (do_map) { + /* This mapping is a simple func: a*in + b. + * with a = (out_min - out_max)/(in_min - in_max) + * and b = out_max - a*in_max + * Note a and b are cached! + */ + if (mapf == NULL) { + float denom = wmd->map_org_min - wmd->map_org_max; + mapf = MEM_mallocN(sizeof(float) * 2, "WeightVGEdit, mapf"); + if (denom > 0.0 && denom < MOD_WVG_ZEROFLOOR) + denom = MOD_WVG_ZEROFLOOR; + else if (denom < 0.0 && denom > -MOD_WVG_ZEROFLOOR) + denom = -MOD_WVG_ZEROFLOOR; + mapf[0] = (wmd->map_new_min - wmd->map_new_max) / denom; + mapf[1] = wmd->map_new_max - (mapf[0] * wmd->map_org_max); + } + new_w[i] = (mapf[0] * new_w[i]) + mapf[1]; + } + if (do_cmap) + new_w[i] = curvemapping_evaluateF(wmd->cmap_curve, 0, new_w[i]); + if (do_rev) + new_w[i] = (-1.0 * new_w[i]) + 1.0; + } + + /* Do masking. */ + weightvg_do_mask(numVerts, NULL, org_w, new_w, ob, ret, wmd->mask_constant, + wmd->mask_defgrp_name, wmd->mask_texture, wmd->mask_tex_use_channel, + wmd->mask_tex_mapping, wmd->mask_tex_map_obj, wmd->mask_tex_uvlayer_name); + + /* Do clamping. */ + if (do_clamp) { + for (i = 0; i < numVerts; i++) + CLAMP(org_w[i], wmd->clamp_min_weight, wmd->clamp_max_weight); + } + + /* Update/add/remove from vgroup. */ + weightvg_update_vg(dvert, defgrp_idx, numVerts, NULL, org_w, do_add, wmd->add_threshold, + do_rem, wmd->rem_threshold); + + /* Freeing stuff. */ + if (org_w) + MEM_freeN(org_w); + if (new_w) + MEM_freeN(new_w); + if (mapf) + MEM_freeN(mapf); + + /* Return the vgroup-modified mesh. */ + return ret; +} + +static DerivedMesh *applyModifierEM(ModifierData *md, Object *ob, + struct EditMesh *UNUSED(editData), + DerivedMesh *derivedData) +{ + return applyModifier(md, ob, derivedData, 0, 1); +} + + +ModifierTypeInfo modifierType_WeightVGEdit = { + /* name */ "WeightVGEdit", + /* structName */ "WeightVGEditModifierData", + /* structSize */ sizeof(WeightVGEditModifierData), + /* type */ eModifierTypeType_Nonconstructive, + /* flags */ eModifierTypeFlag_AcceptsMesh + |eModifierTypeFlag_SupportsMapping + |eModifierTypeFlag_SupportsEditmode, + + /* copyData */ copyData, + /* deformVerts */ NULL, + /* deformMatrices */ NULL, + /* deformVertsEM */ NULL, + /* deformMatricesEM */ NULL, + /* applyModifier */ applyModifier, + /* applyModifierEM */ applyModifierEM, + /* initData */ initData, + /* requiredDataMask */ requiredDataMask, + /* freeData */ freeData, + /* isDisabled */ isDisabled, + /* updateDepgraph */ updateDepgraph, + /* dependsOnTime */ dependsOnTime, + /* dependsOnNormals */ NULL, + /* foreachObjectLink */ foreachObjectLink, + /* foreachIDLink */ foreachIDLink, +}; + diff --git a/source/blender/modifiers/intern/MOD_weightvgmix.c b/source/blender/modifiers/intern/MOD_weightvgmix.c new file mode 100644 index 00000000000..c4f107de72e --- /dev/null +++ b/source/blender/modifiers/intern/MOD_weightvgmix.c @@ -0,0 +1,433 @@ +/* +* $Id$ +* +* ***** 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) 2011 by Bastien Montagne. +* All rights reserved. +* +* Contributor(s): None yet. +* +* ***** END GPL LICENSE BLOCK ***** +* +*/ + +/* + * XXX I’d like to make modified weights visible in WeightPaint mode, + * but couldn’t figure a way to do this… + * Maybe this will need changes in mesh_calc_modifiers (DerivedMesh.c)? + * Or the WeightPaint mode code itself? + */ + +#include "BLI_utildefines.h" +#include "BLI_math.h" +#include "BLI_string.h" + +#include "DNA_mesh_types.h" +#include "DNA_meshdata_types.h" +#include "DNA_modifier_types.h" +#include "DNA_object_types.h" + +#include "BKE_cdderivedmesh.h" +#include "BKE_deform.h" +#include "BKE_mesh.h" +#include "BKE_modifier.h" +#include "BKE_texture.h" /* Texture masking. */ + +#include "depsgraph_private.h" +#include "MEM_guardedalloc.h" +#include "MOD_util.h" +#include "MOD_weightvg_util.h" + + +/** + * This mixes the old weight with the new weight factor. + */ +static float mix_weight(float weight, float weight2, char mix_mode) +{ +#if 0 + /* + * XXX Don’t know why, but the switch version takes many CPU time, + * and produces lag in realtime playback… + */ + switch (mix_mode) + { + case MOD_WVG_MIX_ADD: + return (weight + weight2); + case MOD_WVG_MIX_SUB: + return (weight - weight2); + case MOD_WVG_MIX_MUL: + return (weight * weight2); + case MOD_WVG_MIX_DIV: + /* Avoid dividing by zero (or really small values). */ + if (0.0 <= weight2 < MOD_WVG_ZEROFLOOR) + weight2 = MOD_WVG_ZEROFLOOR; + else if (-MOD_WVG_ZEROFLOOR < weight2) + weight2 = -MOD_WVG_ZEROFLOOR; + return (weight / weight2); + case MOD_WVG_MIX_DIF: + return (weight < weight2 ? weight2 - weight : weight - weight2); + case MOD_WVG_MIX_AVG: + return (weight + weight2) / 2.0; + case MOD_WVG_MIX_SET: + default: + return weight2; + } +#endif + if (mix_mode == MOD_WVG_MIX_SET) + return weight2; + else if (mix_mode == MOD_WVG_MIX_ADD) + return (weight + weight2); + else if (mix_mode == MOD_WVG_MIX_SUB) + return (weight - weight2); + else if (mix_mode == MOD_WVG_MIX_MUL) + return (weight * weight2); + else if (mix_mode == MOD_WVG_MIX_DIV) { + /* Avoid dividing by zero (or really small values). */ + if (weight2 < 0.0 && weight2 > -MOD_WVG_ZEROFLOOR) + weight2 = -MOD_WVG_ZEROFLOOR; + else if (weight2 >= 0.0 && weight2 < MOD_WVG_ZEROFLOOR) + weight2 = MOD_WVG_ZEROFLOOR; + return (weight / weight2); + } + else if (mix_mode == MOD_WVG_MIX_DIF) + return (weight < weight2 ? weight2 - weight : weight - weight2); + else if (mix_mode == MOD_WVG_MIX_AVG) + return (weight + weight2) / 2.0; + else return weight2; +} + +/************************************** + * Modifiers functions. * + **************************************/ +static void initData(ModifierData *md) +{ + WeightVGMixModifierData *wmd = (WeightVGMixModifierData*) md; + + wmd->default_weight = 0.0; + wmd->default_weight2 = 0.0; + wmd->mix_mode = MOD_WVG_MIX_SET; + wmd->mix_set = MOD_WVG_SET_INTER; + + wmd->mask_constant = 1.0f; + wmd->mask_tex_use_channel = MOD_WVG_MASK_TEX_USE_INT; /* Use intensity by default. */ + wmd->mask_tex_mapping = MOD_DISP_MAP_LOCAL; +} + +static void copyData(ModifierData *md, ModifierData *target) +{ + WeightVGMixModifierData *wmd = (WeightVGMixModifierData*) md; + WeightVGMixModifierData *twmd = (WeightVGMixModifierData*) target; + + BLI_strncpy(twmd->defgrp_name, wmd->defgrp_name, sizeof(twmd->defgrp_name)); + BLI_strncpy(twmd->defgrp_name2, wmd->defgrp_name2, sizeof(twmd->defgrp_name2)); + twmd->default_weight = wmd->default_weight; + twmd->default_weight2 = wmd->default_weight2; + twmd->mix_mode = wmd->mix_mode; + twmd->mix_set = wmd->mix_set; + + twmd->mask_constant = wmd->mask_constant; + BLI_strncpy(twmd->mask_defgrp_name, wmd->mask_defgrp_name, sizeof(twmd->mask_defgrp_name)); + twmd->mask_texture = wmd->mask_texture; + twmd->mask_tex_use_channel = wmd->mask_tex_use_channel; + twmd->mask_tex_mapping = wmd->mask_tex_mapping; + twmd->mask_tex_map_obj = wmd->mask_tex_map_obj; + BLI_strncpy(twmd->mask_tex_uvlayer_name, wmd->mask_tex_uvlayer_name, + sizeof(twmd->mask_tex_uvlayer_name)); +} + +static CustomDataMask requiredDataMask(Object *UNUSED(ob), ModifierData *md) +{ + WeightVGMixModifierData *wmd = (WeightVGMixModifierData*) md; + CustomDataMask dataMask = 0; + + /* We need vertex groups! */ + dataMask |= CD_MASK_MDEFORMVERT; + + /* Ask for UV coordinates if we need them. */ + if(wmd->mask_tex_mapping == MOD_DISP_MAP_UV) + dataMask |= CD_MASK_MTFACE; + + return dataMask; +} + +static int dependsOnTime(ModifierData *md) +{ + WeightVGMixModifierData *wmd = (WeightVGMixModifierData*) md; + + if(wmd->mask_texture) + return BKE_texture_dependsOnTime(wmd->mask_texture); + return 0; +} + +static void foreachObjectLink(ModifierData *md, Object *ob, + void (*walk)(void *userData, Object *ob, Object **obpoin), + void *userData) +{ + WeightVGMixModifierData *wmd = (WeightVGMixModifierData*) md; + walk(userData, ob, &wmd->mask_tex_map_obj); +} + +static void foreachIDLink(ModifierData *md, Object *ob, IDWalkFunc walk, void *userData) +{ + WeightVGMixModifierData *wmd = (WeightVGMixModifierData*) md; + + walk(userData, ob, (ID **)&wmd->mask_texture); + + foreachObjectLink(md, ob, (ObjectWalkFunc)walk, userData); +} + +static void updateDepgraph(ModifierData *md, DagForest *forest, struct Scene *UNUSED(scene), + Object *UNUSED(ob), DagNode *obNode) +{ + WeightVGMixModifierData *wmd = (WeightVGMixModifierData*) md; + DagNode *curNode; + + if(wmd->mask_tex_map_obj && wmd->mask_tex_mapping == MOD_DISP_MAP_OBJECT) { + curNode = dag_get_node(forest, wmd->mask_tex_map_obj); + + dag_add_relation(forest, curNode, obNode, DAG_RL_DATA_DATA|DAG_RL_OB_DATA, + "WeightVGMix Modifier"); + } + + if(wmd->mask_tex_mapping == MOD_DISP_MAP_GLOBAL) + dag_add_relation(forest, obNode, obNode, DAG_RL_DATA_DATA|DAG_RL_OB_DATA, + "WeightVGMix Modifier"); +} + +static int isDisabled(ModifierData *md, int UNUSED(useRenderParams)) +{ + WeightVGMixModifierData *wmd = (WeightVGMixModifierData*) md; + /* If no vertex group, bypass. */ + return (wmd->defgrp_name == NULL); +} + +static DerivedMesh *applyModifier(ModifierData *md, Object *ob, DerivedMesh *derivedData, + int UNUSED(useRenderParams), int UNUSED(isFinalCalc)) +{ + WeightVGMixModifierData *wmd = (WeightVGMixModifierData*) md; + DerivedMesh *dm = derivedData; + DerivedMesh *ret; + MDeformVert *dvert = NULL; + int numVerts; + int defgrp_idx, defgrp_idx2 = -1; + float *org_w = NULL; + float *new_w = NULL; + int *tidx, *indices = NULL; + int numIdx = 0; + int i, j; + char rel_ret = 0; /* Boolean, whether we have to release ret dm or not, when not using it! */ + + /* Get number of verts. */ + numVerts = dm->getNumVerts(dm); + + /* Check if we can just return the original mesh. + * Must have verts and therefore verts assigned to vgroups to do anything useful! + */ + if ((numVerts == 0) || (ob->defbase.first == NULL)) + return dm; + + /* Create a copy of our dmesh. + * TODO: This should be done only if needed ! + */ + if (1) { + /* XXX Seems to create problems with weightpaint mode... */ +// DM_set_only_copy(dm, CD_MASK_MDEFORMVERT); /* Only copy defgroup layer. */ + ret = CDDM_copy(dm); + rel_ret = 1; + } + else + ret = dm; + + /* Get first vgroup idx from its name. */ + defgrp_idx = defgroup_name_index(ob, wmd->defgrp_name); + + /* Get seconf vgroup idx from its name, if given. */ + if (wmd->defgrp_name2) + defgrp_idx2 = defgroup_name_index(ob, wmd->defgrp_name2); + + /* Get actual dverts (ie vertex group data). */ + if (defgrp_idx >= 0) + dvert = ret->getVertDataArray(ret, CD_MDEFORMVERT); + /* If no dverts, return unmodified data… */ + if ((defgrp_idx < 0) || (dvert == NULL)) { + if (rel_ret) + ret->release(ret); + return dm; + } + + /* Find out which vertices to work on. */ + tidx = MEM_mallocN(sizeof(int) * numVerts, "WeightVGMix Modifier, tidx"); + switch (wmd->mix_set) { + case MOD_WVG_SET_ORG: + /* All vertices in first vgroup. */ + for (i = 0; i < numVerts; i++) { + for (j = 0; j < dvert[i].totweight; j++) { + if(dvert[i].dw[j].def_nr == defgrp_idx) { + tidx[numIdx++] = i; + break; + } + } + } + break; + case MOD_WVG_SET_NEW: + /* All vertices in second vgroup. */ + for (i = 0; i < numVerts; i++) { + for (j = 0; j < dvert[i].totweight; j++) { + if(dvert[i].dw[j].def_nr == defgrp_idx2) { + tidx[numIdx++] = i; + break; + } + } + } + break; + case MOD_WVG_SET_UNION: + /* All vertices in one vgroup or the other. */ + for (i = 0; i < numVerts; i++) { + for (j = 0; j < dvert[i].totweight; j++) { + if(dvert[i].dw[j].def_nr == defgrp_idx || dvert[i].dw[j].def_nr == defgrp_idx2) { + tidx[numIdx++] = i; + break; + } + } + } + break; + case MOD_WVG_SET_INTER: + /* All vertices in both vgroups. */ + for (i = 0; i < numVerts; i++) { + char idx1 = 0; + char idx2 = 0; + for (j = 0; j < dvert[i].totweight; j++) { + if(dvert[i].dw[j].def_nr == defgrp_idx) { + if (idx2) { + tidx[numIdx++] = i; + break; + } + else + idx1 = 1; + } + else if(dvert[i].dw[j].def_nr == defgrp_idx2) { + if (idx1) { + tidx[numIdx++] = i; + break; + } + else + idx2 = 1; + } + } + } + break; + case MOD_WVG_SET_ALL: + default: + /* Use all vertices, no need to do anything here. */ + break; + } + if (numIdx) { + indices = MEM_mallocN(sizeof(int) * numIdx, "WeightVGMix Modifier, indices"); + memcpy(indices, tidx, sizeof(int) * numIdx); + } + else + numIdx = numVerts; + MEM_freeN(tidx); + + org_w = MEM_mallocN(sizeof(float) * numIdx, "WeightVGMix Modifier, org_w"); + new_w = MEM_mallocN(sizeof(float) * numIdx, "WeightVGMix Modifier, new_w"); + + /* Mix weights. */ + for (i = 0; i < numIdx; i++) { + float weight2 = 0.0; + char w1 = 0; + char w2 = 0; + int idx = indices ? indices[i] : i; + for (j = 0; j < dvert[idx].totweight; j++) { + if(dvert[idx].dw[j].def_nr == defgrp_idx) { + org_w[i] = dvert[idx].dw[j].weight; + w1 = 1; + if (w2) + break; + } + else if(dvert[idx].dw[j].def_nr == defgrp_idx2) { + weight2 = dvert[idx].dw[j].weight; + w2 = 1; + if (w1) + break; + } + } + if (w1 == 0) + org_w[i] = wmd->default_weight; + if (w2 == 0) + weight2 = wmd->default_weight2; + new_w[i] = mix_weight(org_w[i], weight2, wmd->mix_mode); + } + + /* Do masking. */ + weightvg_do_mask(numIdx, indices, org_w, new_w, ob, ret, wmd->mask_constant, + wmd->mask_defgrp_name, wmd->mask_texture, wmd->mask_tex_use_channel, + wmd->mask_tex_mapping, wmd->mask_tex_map_obj, wmd->mask_tex_uvlayer_name); + + /* Update (add to) vgroup. + * XXX Depending on the MOD_WVG_SET_xxx option chosen, we might have to add vertices to vgroup. + */ + weightvg_update_vg(dvert, defgrp_idx, numIdx, indices, org_w, 1, -FLT_MAX, 0, 0.0f); + + /* Freeing stuff. */ + if (org_w) + MEM_freeN(org_w); + if (new_w) + MEM_freeN(new_w); + if (indices) + MEM_freeN(indices); + + /* Return the vgroup-modified mesh. */ + return ret; +} + +static DerivedMesh *applyModifierEM(ModifierData *md, Object *ob, + struct EditMesh *UNUSED(editData), + DerivedMesh *derivedData) +{ + return applyModifier(md, ob, derivedData, 0, 1); +} + + +ModifierTypeInfo modifierType_WeightVGMix = { + /* name */ "WeightVGMix", + /* structName */ "WeightVGMixModifierData", + /* structSize */ sizeof(WeightVGMixModifierData), + /* type */ eModifierTypeType_Nonconstructive, + /* flags */ eModifierTypeFlag_AcceptsMesh + |eModifierTypeFlag_SupportsMapping + |eModifierTypeFlag_SupportsEditmode, + + /* copyData */ copyData, + /* deformVerts */ NULL, + /* deformMatrices */ NULL, + /* deformVertsEM */ NULL, + /* deformMatricesEM */ NULL, + /* applyModifier */ applyModifier, + /* applyModifierEM */ applyModifierEM, + /* initData */ initData, + /* requiredDataMask */ requiredDataMask, + /* freeData */ NULL, + /* isDisabled */ isDisabled, + /* updateDepgraph */ updateDepgraph, + /* dependsOnTime */ dependsOnTime, + /* dependsOnNormals */ NULL, + /* foreachObjectLink */ foreachObjectLink, + /* foreachIDLink */ foreachIDLink, +}; + diff --git a/source/blender/modifiers/intern/MOD_weightvgproximity.c b/source/blender/modifiers/intern/MOD_weightvgproximity.c new file mode 100644 index 00000000000..7349d90c1ec --- /dev/null +++ b/source/blender/modifiers/intern/MOD_weightvgproximity.c @@ -0,0 +1,512 @@ +/* +* $Id$ +* +* ***** 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) 2011 by Bastien Montagne. +* All rights reserved. +* +* Contributor(s): None yet. +* +* ***** END GPL LICENSE BLOCK ***** +* +*/ + +/* + * XXX I’d like to make modified weights visible in WeightPaint mode, + * but couldn’t figure a way to do this… + * Maybe this will need changes in mesh_calc_modifiers (DerivedMesh.c)? + * Or the WeightPaint mode code itself? + */ + +#include "BLI_utildefines.h" +#include "BLI_math.h" +#include "BLI_string.h" +#include "BLI_editVert.h" + +#include "DNA_mesh_types.h" +#include "DNA_meshdata_types.h" +#include "DNA_modifier_types.h" +#include "DNA_object_types.h" + +#include "BKE_cdderivedmesh.h" +#include "BKE_deform.h" +#include "BKE_mesh.h" +#include "BKE_modifier.h" +#include "BKE_shrinkwrap.h" /* For SpaceTransform stuff. */ +#include "BKE_texture.h" /* Texture masking. */ + +#include "depsgraph_private.h" +#include "MEM_guardedalloc.h" +#include "MOD_util.h" +#include "MOD_weightvg_util.h" + +/************************************** + * Util functions. * + **************************************/ + +/* Util macro. */ +#define OUT_OF_MEMORY() ((void)printf("WeightVGProximity: Out of memory.\n")) + +/** + * Returns the squared distance between two given points. + */ +static float squared_dist(const float *a, const float *b) +{ + float tmp[3]; + VECSUB(tmp, a, b); + return INPR(tmp, tmp); +} + +/** + * Find nearest vertex and/or edge and/or face, for each vertex (adapted from shrinkwrap.c). + */ +static void get_vert2geom_distance(int numVerts, float (*v_cos)[3], + float *dist_v, float *dist_e, float *dist_f, + DerivedMesh *target, const SpaceTransform *loc2trgt) +{ + int i; + BVHTreeFromMesh treeData_v = NULL_BVHTreeFromMesh; + BVHTreeFromMesh treeData_e = NULL_BVHTreeFromMesh; + BVHTreeFromMesh treeData_f = NULL_BVHTreeFromMesh; + BVHTreeNearest nearest_v = NULL_BVHTreeNearest; + BVHTreeNearest nearest_e = NULL_BVHTreeNearest; + BVHTreeNearest nearest_f = NULL_BVHTreeNearest; + + if (dist_v) { + /* Create a bvh-tree of the given target's verts. */ + bvhtree_from_mesh_verts(&treeData_v, target, 0.0, 2, 6); + if(treeData_v.tree == NULL) { + OUT_OF_MEMORY(); + return; + } + } + if (dist_e) { + /* Create a bvh-tree of the given target's edges. */ + bvhtree_from_mesh_edges(&treeData_e, target, 0.0, 2, 6); + if(treeData_e.tree == NULL) { + OUT_OF_MEMORY(); + return; + } + } + if (dist_f) { + /* Create a bvh-tree of the given target's faces. */ + bvhtree_from_mesh_faces(&treeData_f, target, 0.0, 2, 6); + if(treeData_f.tree == NULL) { + OUT_OF_MEMORY(); + return; + } + } + + /* Setup nearest. */ + nearest_v.index = nearest_e.index = nearest_f.index = -1; + /*nearest_v.dist = nearest_e.dist = nearest_f.dist = FLT_MAX;*/ + /* Find the nearest vert/edge/face. */ +#ifndef __APPLE__ +#pragma omp parallel for default(none) private(i) firstprivate(nearest_v,nearest_e,nearest_f) \ + shared(treeData_v,treeData_e,treeData_f,numVerts,v_cos,dist_v,dist_e, \ + dist_f,loc2trgt) \ + schedule(static) +#endif + for (i = 0; i < numVerts; ++i) { + float tmp_co[3]; + + /* Convert the vertex to tree coordinates. */ + VECCOPY(tmp_co, v_cos[i]); + space_transform_apply(loc2trgt, tmp_co); + + /* Use local proximity heuristics (to reduce the nearest search). + * + * If we already had an hit before, we assume this vertex is going to have a close hit to + * that other vertex, so we can initiate the "nearest.dist" with the expected value to that + * last hit. + * This will lead in prunning of the search tree. + */ + if (dist_v) { + nearest_v.dist = nearest_v.index != -1 ? squared_dist(tmp_co, nearest_v.co) : FLT_MAX; + /* Compute and store result. If invalid (-1 idx), keep FLT_MAX dist. */ + BLI_bvhtree_find_nearest(treeData_v.tree, tmp_co, &nearest_v, treeData_v.nearest_callback, &treeData_v); + dist_v[i] = sqrtf(nearest_v.dist); + } + if (dist_e) { + nearest_e.dist = nearest_e.index != -1 ? squared_dist(tmp_co, nearest_e.co) : FLT_MAX; + /* Compute and store result. If invalid (-1 idx), keep FLT_MAX dist. */ + BLI_bvhtree_find_nearest(treeData_e.tree, tmp_co, &nearest_e, treeData_e.nearest_callback, &treeData_e); + dist_e[i] = sqrtf(nearest_e.dist); + } + if (dist_f) { + nearest_f.dist = nearest_f.index != -1 ? squared_dist(tmp_co, nearest_f.co) : FLT_MAX; + /* Compute and store result. If invalid (-1 idx), keep FLT_MAX dist. */ + BLI_bvhtree_find_nearest(treeData_f.tree, tmp_co, &nearest_f, treeData_f.nearest_callback, &treeData_f); + dist_f[i] = sqrtf(nearest_f.dist); + } + } + + if (dist_v) + free_bvhtree_from_mesh(&treeData_v); + if (dist_e) + free_bvhtree_from_mesh(&treeData_e); + if (dist_f) + free_bvhtree_from_mesh(&treeData_f); +} + +/** + * Returns the real distance between a vertex and another reference object. + * Note that it works in final world space (i.e. with constraints etc. applied). + */ +static void get_vert2ob_distance(int numVerts, float (*v_cos)[3], float *dist, + const Object* ob, const Object* obr) +{ + /* Vertex and ref object coordinates. */ + float v_wco[3], + or_wco[3], + or_wro[3][3], /*unused*/ + or_wsz[3]; /*unused*/ + int i; + + /* Get world-coordinates of the reference object (constraints and anim included). + * We also get rotation and scale, even though we do not want them… + */ + mat4_to_loc_rot_size(or_wco, or_wro, or_wsz, (float (*)[4])obr->obmat); + + for (i = 0; i < numVerts; i++) { + /* Get world-coordinates of the vertex (constraints and anim included). */ + mul_v3_m4v3(v_wco, (float (*)[4])ob->obmat, v_cos[i]); + /* Return distance between both coordinates. */ + dist[i] = len_v3v3(v_wco, or_wco); + } +} + +/** + * Returns the real distance between an object and another reference object. + * Note that it works in final world space (i.e. with constraints etc. applied). + */ +static float get_ob2ob_distance(const Object* ob, const Object* obr) +{ + /* Both objects coordinates. */ + float o_wco[3], + o_wro[3][3], /*unused*/ + o_wsz[3], /*unused*/ + or_wco[3], + or_wro[3][3],/*unused*/ + or_wsz[3]; /*unused*/ + /* Get world-coordinates of both objects (constraints and anim included). + * We also get rotation and scale, even though we do not want them… + */ + mat4_to_loc_rot_size(o_wco, o_wro, o_wsz, (float (*)[4])ob->obmat); + mat4_to_loc_rot_size(or_wco, or_wro, or_wsz, (float (*)[4])obr->obmat); + /* Return distance between both coordinates. */ + return len_v3v3(o_wco, or_wco); +} + +/************************************** + * Modifiers functions. * + **************************************/ +static void initData(ModifierData *md) +{ + WeightVGProximityModifierData *wmd = (WeightVGProximityModifierData*) md; + + wmd->proximity_mode = MOD_WVG_PROXIMITY_OBJ2OBJDIST; + wmd->proximity_flags = MOD_WVG_PROXIMITY_O2VD_VERTS; + + wmd->mask_constant = 1.0f; + wmd->mask_tex_use_channel = MOD_WVG_MASK_TEX_USE_INT; /* Use intensity by default. */ + wmd->mask_tex_mapping = MOD_DISP_MAP_LOCAL; +} + +static void copyData(ModifierData *md, ModifierData *target) +{ + WeightVGProximityModifierData *wmd = (WeightVGProximityModifierData*) md; + WeightVGProximityModifierData *twmd = (WeightVGProximityModifierData*) target; + + BLI_strncpy(twmd->defgrp_name, wmd->defgrp_name, sizeof(twmd->defgrp_name)); + twmd->proximity_mode = wmd->proximity_mode; + twmd->proximity_flags = wmd->proximity_flags; + twmd->proximity_ob_target = wmd->proximity_ob_target; + + twmd->mask_constant = wmd->mask_constant; + BLI_strncpy(twmd->mask_defgrp_name, wmd->mask_defgrp_name, sizeof(twmd->mask_defgrp_name)); + twmd->mask_texture = wmd->mask_texture; + twmd->mask_tex_use_channel = wmd->mask_tex_use_channel; + twmd->mask_tex_mapping = wmd->mask_tex_mapping; + twmd->mask_tex_map_obj = wmd->mask_tex_map_obj; + BLI_strncpy(twmd->mask_tex_uvlayer_name, wmd->mask_tex_uvlayer_name, + sizeof(twmd->mask_tex_uvlayer_name)); +} + +static CustomDataMask requiredDataMask(Object *UNUSED(ob), ModifierData *md) +{ + WeightVGProximityModifierData *wmd = (WeightVGProximityModifierData*) md; + CustomDataMask dataMask = 0; + + /* We need vertex groups! */ + dataMask |= CD_MASK_MDEFORMVERT; + + /* Ask for UV coordinates if we need them. */ + if(wmd->mask_tex_mapping == MOD_DISP_MAP_UV) + dataMask |= CD_MASK_MTFACE; + + return dataMask; +} + +static int dependsOnTime(ModifierData *md) +{ + WeightVGProximityModifierData *wmd = (WeightVGProximityModifierData*) md; + + if(wmd->mask_texture) + return BKE_texture_dependsOnTime(wmd->mask_texture); + return 0; +} + +static void foreachObjectLink(ModifierData *md, Object *ob, + void (*walk)(void *userData, Object *ob, Object **obpoin), + void *userData) +{ + WeightVGProximityModifierData *wmd = (WeightVGProximityModifierData*) md; + walk(userData, ob, &wmd->proximity_ob_target); + walk(userData, ob, &wmd->mask_tex_map_obj); +} + +static void foreachIDLink(ModifierData *md, Object *ob, IDWalkFunc walk, void *userData) +{ + WeightVGProximityModifierData *wmd = (WeightVGProximityModifierData*) md; + + walk(userData, ob, (ID **)&wmd->mask_texture); + + foreachObjectLink(md, ob, (ObjectWalkFunc)walk, userData); +} + +static void updateDepgraph(ModifierData *md, DagForest *forest, struct Scene *UNUSED(scene), + Object *UNUSED(ob), DagNode *obNode) +{ + WeightVGProximityModifierData *wmd = (WeightVGProximityModifierData*) md; + DagNode *curNode; + + if (wmd->proximity_ob_target) { + curNode = dag_get_node(forest, wmd->proximity_ob_target); + dag_add_relation(forest, curNode, obNode, DAG_RL_DATA_DATA|DAG_RL_OB_DATA, + "WeightVGProximity Modifier"); + } + + if(wmd->mask_tex_map_obj && wmd->mask_tex_mapping == MOD_DISP_MAP_OBJECT) { + curNode = dag_get_node(forest, wmd->mask_tex_map_obj); + + dag_add_relation(forest, curNode, obNode, DAG_RL_DATA_DATA|DAG_RL_OB_DATA, + "WeightVGProximity Modifier"); + } + + if(wmd->mask_tex_mapping == MOD_DISP_MAP_GLOBAL) + dag_add_relation(forest, obNode, obNode, DAG_RL_DATA_DATA|DAG_RL_OB_DATA, + "WeightVGProximity Modifier"); +} + +static int isDisabled(ModifierData *md, int UNUSED(useRenderParams)) +{ + WeightVGProximityModifierData *wmd = (WeightVGProximityModifierData*) md; + /* If no vertex group, bypass. */ + if (wmd->defgrp_name == NULL) return 1; + /* If no target object, bypass. */ + return (wmd->proximity_ob_target == NULL); +} + +static DerivedMesh *applyModifier(ModifierData *md, Object *ob, DerivedMesh *derivedData, + int UNUSED(useRenderParams), int UNUSED(isFinalCalc)) +{ + WeightVGProximityModifierData *wmd = (WeightVGProximityModifierData*) md; + DerivedMesh *dm = derivedData; + DerivedMesh *ret; + MDeformVert *dvert = NULL; + int numVerts; + float (*v_cos)[3] = NULL; /* The vertices coordinates. */ + Object *obr; /* Our target object. */ + int defgrp_idx; + float *tw = NULL; + float *org_w = NULL; + float *new_w =NULL; + int *tidx, *indices = NULL; + int numIdx = 0; + int i, j; + char rel_ret = 0; /* Boolean, whether we have to release ret dm or not, when not using it! */ + + /* Get number of verts. */ + numVerts = dm->getNumVerts(dm); + + /* Check if we can just return the original mesh. + * Must have verts and therefore verts assigned to vgroups to do anything useful! + */ + if ((numVerts == 0) || (ob->defbase.first == NULL)) + return dm; + + /* Create a copy of our dmesh. + * TODO: This should be done only if needed ! + */ + if (1) { + /* XXX Seems to create problems with weightpaint mode... */ +// DM_set_only_copy(dm, CD_MASK_MDEFORMVERT); /* Only copy defgroup layer. */ + ret = CDDM_copy(dm); + rel_ret = 1; + } + else + ret = dm; + + /* Get vgroup idx from its name. */ + defgrp_idx = defgroup_name_index(ob, wmd->defgrp_name); + + /* Get actual dverts (ie vertex group data). */ + if (defgrp_idx >= 0) + dvert = ret->getVertDataArray(ret, CD_MDEFORMVERT); + /* Get our target object. */ + obr = wmd->proximity_ob_target; + /* If no dverts or target object, return unmodified data… */ + if ((defgrp_idx < 0) || (dvert == NULL) || (!obr)) { + if (rel_ret) + ret->release(ret); + return dm; + } + + /* Find out which vertices to work on (all vertices in vgroup), and get their relevant weight. + */ + tidx = MEM_mallocN(sizeof(int) * numVerts, "WeightVGProximity Modifier, tidx"); + tw = MEM_mallocN(sizeof(float) * numVerts, "WeightVGProximity Modifier, tw"); + for (i = 0; i < numVerts; i++) { + for (j = 0; j < dvert[i].totweight; j++) { + if(dvert[i].dw[j].def_nr == defgrp_idx) { + tidx[numIdx] = i; + tw[numIdx++] = dvert[i].dw[j].weight; + break; + } + } + } + indices = MEM_mallocN(sizeof(int) * numIdx, "WeightVGProximity Modifier, indices"); + memcpy(indices, tidx, sizeof(int) * numIdx); + org_w = MEM_mallocN(sizeof(float) * numIdx, "WeightVGProximity Modifier, org_w"); + new_w = MEM_mallocN(sizeof(float) * numIdx, "WeightVGProximity Modifier, new_w"); + memcpy(org_w, tw, sizeof(float) * numIdx); + MEM_freeN(tidx); + MEM_freeN(tw); + + /* Get our vertex coordinates. */ + v_cos = MEM_mallocN(sizeof(float[3]) * numIdx, "WeightVGProximity Modifier, v_cos"); + for (i = 0; i < numIdx; i++) + ret->getVertCo(ret, indices[i], v_cos[i]); + + /* Compute wanted distances. */ + if (wmd->proximity_mode == MOD_WVG_PROXIMITY_OBJ2OBJDIST) { + float dist = get_ob2ob_distance(ob, obr); + for(i = 0; i < numIdx; i++) + new_w[i] = dist; + } + else if (wmd->proximity_mode == MOD_WVG_PROXIMITY_OBJ2VERTDIST) { + char use_trgt_verts = (wmd->proximity_flags & MOD_WVG_PROXIMITY_O2VD_VERTS); + char use_trgt_edges = (wmd->proximity_flags & MOD_WVG_PROXIMITY_O2VD_EDGES); + char use_trgt_faces = (wmd->proximity_flags & MOD_WVG_PROXIMITY_O2VD_FACES); + + if (use_trgt_verts || use_trgt_edges || use_trgt_faces) { + DerivedMesh *target_dm = obr->derivedFinal; + if (!target_dm) { + if (ELEM3(obr->type, OB_CURVE, OB_SURF, OB_FONT)) + target_dm = CDDM_from_curve(obr); + else if (obr->type == OB_MESH) { + Mesh *me = (Mesh*)obr->data; + if (me->edit_mesh) + target_dm = CDDM_from_editmesh((EditMesh*)me->edit_mesh, me); + else + target_dm = CDDM_from_mesh(me, obr); + } + } + + /* We must check that we do have a valid target_dm! */ + if (target_dm) { + SpaceTransform loc2trgt; + float *dists_v = use_trgt_verts ? MEM_mallocN(sizeof(float) * numIdx, "WeightVGProximity Modifier, dists_v") : NULL; + float *dists_e = use_trgt_edges ? MEM_mallocN(sizeof(float) * numIdx, "WeightVGProximity Modifier, dists_e") : NULL; + float *dists_f = use_trgt_faces ? MEM_mallocN(sizeof(float) * numIdx, "WeightVGProximity Modifier, dists_f") : NULL; + + space_transform_setup(&loc2trgt, ob, obr); + get_vert2geom_distance(numIdx, v_cos, dists_v, dists_e, dists_f, + target_dm, &loc2trgt); + for(i = 0; i < numIdx; i++) { + new_w[i] = dists_v ? dists_v[i] : FLT_MAX; + new_w[i] = dists_e ? minf(dists_e[i], new_w[i]) : new_w[i]; + new_w[i] = dists_f ? minf(dists_f[i], new_w[i]) : new_w[i]; + } + } + /* Else, fall back to default obj2vert behavior. */ + else + get_vert2ob_distance(numIdx, v_cos, new_w, ob, obr); + } + else + get_vert2ob_distance(numIdx, v_cos, new_w, ob, obr); + } + + /* Do masking. */ + weightvg_do_mask(numIdx, indices, org_w, new_w, ob, ret, wmd->mask_constant, + wmd->mask_defgrp_name, wmd->mask_texture, wmd->mask_tex_use_channel, + wmd->mask_tex_mapping, wmd->mask_tex_map_obj, wmd->mask_tex_uvlayer_name); + + /* Update vgroup. Note we never add nor remove vertices from vgroup here. */ + weightvg_update_vg(dvert, defgrp_idx, numIdx, indices, org_w, 0, 0.0f, 0, 0.0f); + + /* Freeing stuff. */ + if (org_w) + MEM_freeN(org_w); + if (new_w) + MEM_freeN(new_w); + if (indices) + MEM_freeN(indices); + if (v_cos) + MEM_freeN(v_cos); + + /* Return the vgroup-modified mesh. */ + return ret; +} + +static DerivedMesh *applyModifierEM(ModifierData *md, Object *ob, + struct EditMesh *UNUSED(editData), + DerivedMesh *derivedData) +{ + return applyModifier(md, ob, derivedData, 0, 1); +} + + +ModifierTypeInfo modifierType_WeightVGProximity = { + /* name */ "WeightVGProximity", + /* structName */ "WeightVGProximityModifierData", + /* structSize */ sizeof(WeightVGProximityModifierData), + /* type */ eModifierTypeType_Nonconstructive, + /* flags */ eModifierTypeFlag_AcceptsMesh + |eModifierTypeFlag_SupportsMapping + |eModifierTypeFlag_SupportsEditmode, + + /* copyData */ copyData, + /* deformVerts */ NULL, + /* deformMatrices */ NULL, + /* deformVertsEM */ NULL, + /* deformMatricesEM */ NULL, + /* applyModifier */ applyModifier, + /* applyModifierEM */ applyModifierEM, + /* initData */ initData, + /* requiredDataMask */ requiredDataMask, + /* freeData */ NULL, + /* isDisabled */ isDisabled, + /* updateDepgraph */ updateDepgraph, + /* dependsOnTime */ dependsOnTime, + /* dependsOnNormals */ NULL, + /* foreachObjectLink */ foreachObjectLink, + /* foreachIDLink */ foreachIDLink, +}; + |