/* calculate difference matrix */
void ED_gpencil_parent_location(bGPDlayer *gpl, float diff_mat[4][4])
{
Object *ob = gpl->parent;
if (ob == NULL) {
unit_m4(diff_mat);
return;
}
else {
if ((gpl->partype == PAROBJECT) || (gpl->partype == PARSKEL)) {
mul_m4_m4m4(diff_mat, ob->obmat, gpl->inverse);
return;
}
else if (gpl->partype == PARBONE) {
bPoseChannel *pchan = BKE_pose_channel_find_name(ob->pose, gpl->parsubstr);
if (pchan) {
float tmp_mat[4][4];
mul_m4_m4m4(tmp_mat, ob->obmat, pchan->pose_mat);
mul_m4_m4m4(diff_mat, tmp_mat, gpl->inverse);
}
else {
mul_m4_m4m4(diff_mat, ob->obmat, gpl->inverse); /* if bone not found use object (armature) */
}
return;
}
else {
unit_m4(diff_mat); /* not defined type */
}
}
}
/* called from drawview.c, as an extra per-window draw option */
void drawPropCircle(const struct bContext *C, TransInfo *t)
{
if (t->flag & T_PROP_EDIT) {
RegionView3D *rv3d = CTX_wm_region_view3d(C);
float tmat[4][4], imat[4][4];
int depth_test_enabled;
if (t->spacetype == SPACE_VIEW3D && rv3d != NULL) {
copy_m4_m4(tmat, rv3d->viewmat);
invert_m4_m4(imat, tmat);
}
else {
unit_m4(tmat);
unit_m4(imat);
}
GPU_matrix_push();
if (t->spacetype == SPACE_VIEW3D) {
/* pass */
}
else if (t->spacetype == SPACE_IMAGE) {
GPU_matrix_scale_2f(1.0f / t->aspect[0], 1.0f / t->aspect[1]);
}
else if (ELEM(t->spacetype, SPACE_GRAPH, SPACE_ACTION)) {
/* only scale y */
rcti *mask = &t->ar->v2d.mask;
rctf *datamask = &t->ar->v2d.cur;
float xsize = BLI_rctf_size_x(datamask);
float ysize = BLI_rctf_size_y(datamask);
float xmask = BLI_rcti_size_x(mask);
float ymask = BLI_rcti_size_y(mask);
GPU_matrix_scale_2f(1.0f, (ysize / xsize) * (xmask / ymask));
}
depth_test_enabled = GPU_depth_test_enabled();
if (depth_test_enabled) {
GPU_depth_test(false);
}
uint pos = GPU_vertformat_attr_add(immVertexFormat(), "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
immBindBuiltinProgram(GPU_SHADER_3D_UNIFORM_COLOR);
immUniformThemeColor(TH_GRID);
set_inverted_drawing(1);
imm_drawcircball(t->center_global, t->prop_size, imat, pos);
set_inverted_drawing(0);
immUnbindProgram();
if (depth_test_enabled) {
GPU_depth_test(true);
}
GPU_matrix_pop();
}
}
UnitConverter::UnitConverter() : unit(), up_axis(COLLADAFW::FileInfo::Z_UP)
{
unit_m4(x_up_mat4);
rotate_m4(x_up_mat4, 'Y', -0.5 * M_PI);
unit_m4(y_up_mat4);
rotate_m4(y_up_mat4, 'X', 0.5 * M_PI);
unit_m4(z_up_mat4);
unit_m4(scale_mat4);
}
/* called from drawview.c, as an extra per-window draw option */
void drawPropCircle(const struct bContext *C, TransInfo *t)
{
if (t->flag & T_PROP_EDIT) {
RegionView3D *rv3d = CTX_wm_region_view3d(C);
float tmat[4][4], imat[4][4];
float center[3];
int depth_test_enabled;
UI_ThemeColor(TH_GRID);
if (t->spacetype == SPACE_VIEW3D && rv3d != NULL) {
copy_m4_m4(tmat, rv3d->viewmat);
invert_m4_m4(imat, tmat);
}
else {
unit_m4(tmat);
unit_m4(imat);
}
glPushMatrix();
copy_v3_v3(center, t->center);
if ((t->spacetype == SPACE_VIEW3D) && t->obedit) {
mul_m4_v3(t->obedit->obmat, center); /* because t->center is in local space */
}
else if (t->spacetype == SPACE_IMAGE) {
float aspx, aspy;
if (t->options & CTX_MASK) {
/* untested - mask aspect is TODO */
ED_space_image_get_aspect(t->sa->spacedata.first, &aspx, &aspy);
}
else {
ED_space_image_get_uv_aspect(t->sa->spacedata.first, &aspx, &aspy);
}
glScalef(1.0f / aspx, 1.0f / aspy, 1.0);
}
depth_test_enabled = glIsEnabled(GL_DEPTH_TEST);
if (depth_test_enabled)
glDisable(GL_DEPTH_TEST);
set_inverted_drawing(1);
drawcircball(GL_LINE_LOOP, center, t->prop_size, imat);
set_inverted_drawing(0);
if (depth_test_enabled)
glEnable(GL_DEPTH_TEST);
glPopMatrix();
}
}
/* called from drawview.c, as an extra per-window draw option */
void drawPropCircle(const struct bContext *C, TransInfo *t)
{
if (t->flag & T_PROP_EDIT) {
RegionView3D *rv3d = CTX_wm_region_view3d(C);
float tmat[4][4], imat[4][4];
int depth_test_enabled;
UI_ThemeColor(TH_GRID);
if (t->spacetype == SPACE_VIEW3D && rv3d != NULL) {
copy_m4_m4(tmat, rv3d->viewmat);
invert_m4_m4(imat, tmat);
}
else {
unit_m4(tmat);
unit_m4(imat);
}
glPushMatrix();
if (t->spacetype == SPACE_VIEW3D) {
/* pass */
}
else if (t->spacetype == SPACE_IMAGE) {
glScalef(1.0f / t->aspect[0], 1.0f / t->aspect[1], 1.0f);
}
else if (ELEM(t->spacetype, SPACE_IPO, SPACE_ACTION)) {
/* only scale y */
rcti *mask = &t->ar->v2d.mask;
rctf *datamask = &t->ar->v2d.cur;
float xsize = BLI_rctf_size_x(datamask);
float ysize = BLI_rctf_size_y(datamask);
float xmask = BLI_rcti_size_x(mask);
float ymask = BLI_rcti_size_y(mask);
glScalef(1.0f, (ysize / xsize) * (xmask / ymask), 1.0f);
}
depth_test_enabled = glIsEnabled(GL_DEPTH_TEST);
if (depth_test_enabled)
glDisable(GL_DEPTH_TEST);
set_inverted_drawing(1);
drawcircball(GL_LINE_LOOP, t->center_global, t->prop_size, imat);
set_inverted_drawing(0);
if (depth_test_enabled)
glEnable(GL_DEPTH_TEST);
glPopMatrix();
}
}
/* returns standard diameter */
static float new_primitive_matrix(bContext *C, float *loc, float *rot, float primmat[][4])
{
Object *obedit = CTX_data_edit_object(C);
View3D *v3d = CTX_wm_view3d(C);
float mat[3][3], rmat[3][3], cmat[3][3], imat[3][3];
unit_m4(primmat);
eul_to_mat3(rmat, rot);
invert_m3(rmat);
/* inverse transform for initial rotation and object */
copy_m3_m4(mat, obedit->obmat);
mul_m3_m3m3(cmat, rmat, mat);
invert_m3_m3(imat, cmat);
copy_m4_m3(primmat, imat);
/* center */
copy_v3_v3(primmat[3], loc);
sub_v3_v3(primmat[3], obedit->obmat[3]);
invert_m3_m3(imat, mat);
mul_m3_v3(imat, primmat[3]);
return v3d ? v3d->grid : 1.0f;
}
static void rna_Scene_ray_cast(Scene *scene, float ray_start[3], float ray_end[3],
int *r_success, Object **r_ob, float r_obmat[16],
float r_location[3], float r_normal[3])
{
float dummy_dist_px = 0;
float ray_nor[3];
float ray_dist;
sub_v3_v3v3(ray_nor, ray_end, ray_start);
ray_dist = normalize_v3(ray_nor);
if (snapObjectsRayEx(scene, NULL, NULL, NULL, NULL, SCE_SNAP_MODE_FACE,
r_ob, (float(*)[4])r_obmat,
ray_start, ray_nor, &ray_dist,
NULL, &dummy_dist_px, r_location, r_normal, SNAP_ALL))
{
*r_success = true;
}
else {
unit_m4((float(*)[4])r_obmat);
zero_v3(r_location);
zero_v3(r_normal);
*r_success = false;
}
}
void TransformReader::get_node_mat(float mat[4][4],
COLLADAFW::Node *node,
std::map<COLLADAFW::UniqueId, Animation> *animation_map,
Object *ob,
float parent_mat[4][4])
{
float cur[4][4];
float copy[4][4];
unit_m4(mat);
for (unsigned int i = 0; i < node->getTransformations().getCount(); i++) {
COLLADAFW::Transformation *tm = node->getTransformations()[i];
COLLADAFW::Transformation::TransformationType type = tm->getTransformationType();
switch (type) {
case COLLADAFW::Transformation::MATRIX:
// When matrix AND Trans/Rot/Scale are defined for a node,
// then this is considered as redundant information.
// So if we find a Matrix we use that and return.
dae_matrix_to_mat4(tm, mat);
if (parent_mat) {
mul_m4_m4m4(mat, parent_mat, mat);
}
return;
case COLLADAFW::Transformation::TRANSLATE:
dae_translate_to_mat4(tm, cur);
break;
case COLLADAFW::Transformation::ROTATE:
dae_rotate_to_mat4(tm, cur);
break;
case COLLADAFW::Transformation::SCALE:
dae_scale_to_mat4(tm, cur);
break;
case COLLADAFW::Transformation::LOOKAT:
fprintf(stderr, "|! LOOKAT transformations are not supported yet.\n");
break;
case COLLADAFW::Transformation::SKEW:
fprintf(stderr, "|! SKEW transformations are not supported yet.\n");
break;
}
copy_m4_m4(copy, mat);
mul_m4_m4m4(mat, copy, cur);
if (animation_map) {
// AnimationList that drives this Transformation
const COLLADAFW::UniqueId &anim_list_id = tm->getAnimationList();
// store this so later we can link animation data with ob
Animation anim = {ob, node, tm};
(*animation_map)[anim_list_id] = anim;
}
}
if (parent_mat) {
mul_m4_m4m4(mat, parent_mat, mat);
}
}
/* Init handling for space-conversion function (from passed-in parameters) */
void gp_point_conversion_init(bContext *C, GP_SpaceConversion *r_gsc)
{
ScrArea *sa = CTX_wm_area(C);
ARegion *ar = CTX_wm_region(C);
/* zero out the storage (just in case) */
memset(r_gsc, 0, sizeof(GP_SpaceConversion));
unit_m4(r_gsc->mat);
/* store settings */
r_gsc->sa = sa;
r_gsc->ar = ar;
r_gsc->v2d = &ar->v2d;
/* init region-specific stuff */
if (sa->spacetype == SPACE_VIEW3D) {
wmWindow *win = CTX_wm_window(C);
Scene *scene = CTX_data_scene(C);
View3D *v3d = (View3D *)CTX_wm_space_data(C);
RegionView3D *rv3d = ar->regiondata;
/* init 3d depth buffers */
view3d_operator_needs_opengl(C);
view3d_region_operator_needs_opengl(win, ar);
ED_view3d_autodist_init(scene, ar, v3d, 0);
/* for camera view set the subrect */
if (rv3d->persp == RV3D_CAMOB) {
ED_view3d_calc_camera_border(scene, ar, v3d, rv3d, &r_gsc->subrect_data, true); /* no shift */
r_gsc->subrect = &r_gsc->subrect_data;
}
}
}
void env_rotate_scene(Render *re, float mat[4][4], int do_rotate)
{
GroupObject *go;
ObjectRen *obr;
ObjectInstanceRen *obi;
LampRen *lar = NULL;
HaloRen *har = NULL;
float imat[3][3], mat_inverse[4][4], smat[4][4], tmat[4][4], cmat[3][3], tmpmat[4][4];
int a;
if (do_rotate == 0) {
invert_m4_m4(tmat, mat);
copy_m3_m4(imat, tmat);
copy_m4_m4(mat_inverse, mat);
}
else {
copy_m4_m4(tmat, mat);
copy_m3_m4(imat, mat);
invert_m4_m4(mat_inverse, tmat);
}
for (obi = re->instancetable.first; obi; obi = obi->next) {
/* append or set matrix depending on dupli */
if (obi->flag & R_DUPLI_TRANSFORMED) {
copy_m4_m4(tmpmat, obi->mat);
mul_m4_m4m4(obi->mat, tmat, tmpmat);
}
else if (do_rotate == 1)
copy_m4_m4(obi->mat, tmat);
else
unit_m4(obi->mat);
copy_m3_m4(cmat, obi->mat);
invert_m3_m3(obi->nmat, cmat);
transpose_m3(obi->nmat);
/* indicate the renderer has to use transform matrices */
if (do_rotate == 0)
obi->flag &= ~R_ENV_TRANSFORMED;
else {
obi->flag |= R_ENV_TRANSFORMED;
copy_m4_m4(obi->imat, mat_inverse);
}
}
for (obr = re->objecttable.first; obr; obr = obr->next) {
for (a = 0; a < obr->tothalo; a++) {
if ((a & 255) == 0) har = obr->bloha[a >> 8];
else har++;
mul_m4_v3(tmat, har->co);
}
/* imat_ren is needed for correct texture coordinates */
mul_m4_m4m4(obr->ob->imat_ren, re->viewmat, obr->ob->obmat);
invert_m4(obr->ob->imat_ren);
}
static void object_solver_inverted_matrix(Scene *scene, Object *ob, float invmat[4][4])
{
bool found = false;
for (bConstraint *con = ob->constraints.first; con != NULL; con = con->next) {
const bConstraintTypeInfo *cti = BKE_constraint_typeinfo_get(con);
if (cti == NULL) {
continue;
}
if (cti->type == CONSTRAINT_TYPE_OBJECTSOLVER) {
bObjectSolverConstraint *data = (bObjectSolverConstraint *)con->data;
if (!found) {
Object *cam = data->camera ? data->camera : scene->camera;
BKE_object_where_is_calc_mat4(cam, invmat);
}
mul_m4_m4m4(invmat, invmat, data->invmat);
found = true;
}
}
if (found) {
invert_m4(invmat);
}
else {
unit_m4(invmat);
}
}
/* (currently used for action constraints and in rebuild_pose) */
bPoseChannel *verify_pose_channel(bPose *pose, const char *name)
{
bPoseChannel *chan;
if (pose == NULL)
return NULL;
/* See if this channel exists */
chan= BLI_findstring(&pose->chanbase, name, offsetof(bPoseChannel, name));
if(chan) {
return chan;
}
/* If not, create it and add it */
chan = MEM_callocN(sizeof(bPoseChannel), "verifyPoseChannel");
BLI_strncpy(chan->name, name, sizeof(chan->name));
/* init vars to prevent math errors */
unit_qt(chan->quat);
unit_axis_angle(chan->rotAxis, &chan->rotAngle);
chan->size[0] = chan->size[1] = chan->size[2] = 1.0f;
chan->limitmin[0]= chan->limitmin[1]= chan->limitmin[2]= -180.0f;
chan->limitmax[0]= chan->limitmax[1]= chan->limitmax[2]= 180.0f;
chan->stiffness[0]= chan->stiffness[1]= chan->stiffness[2]= 0.0f;
chan->ikrotweight = chan->iklinweight = 0.0f;
unit_m4(chan->constinv);
chan->protectflag = OB_LOCK_ROT4D; /* lock by components by default */
BLI_addtail(&pose->chanbase, chan);
free_pose_channels_hash(pose);
return chan;
}
/**
* Calculate a rescale factor such that the imported scene's scale
* is preserved. I.e. 1 meter in the import will also be
* 1 meter in the current scene.
* XXX : I am not sure if it is correct to map 1 Blender Unit
* to 1 Meter for unit type NONE. But it looks reasonable to me.
*/
void bc_match_scale(std::vector<Object *> *objects_done,
Scene &sce,
UnitConverter &bc_unit)
{
Object *ob = NULL;
PointerRNA scene_ptr, unit_settings;
PropertyRNA *system_ptr, *scale_ptr;
RNA_id_pointer_create(&sce.id, &scene_ptr);
unit_settings = RNA_pointer_get(&scene_ptr, "unit_settings");
system_ptr = RNA_struct_find_property(&unit_settings, "system");
scale_ptr = RNA_struct_find_property(&unit_settings, "scale_length");
int type = RNA_property_enum_get(&unit_settings, system_ptr);
float bl_scale;
switch (type) {
case USER_UNIT_NONE:
bl_scale = 1.0; // map 1 Blender unit to 1 Meter
break;
case USER_UNIT_METRIC:
bl_scale = RNA_property_float_get(&unit_settings, scale_ptr);
break;
default :
bl_scale = RNA_property_float_get(&unit_settings, scale_ptr);
// it looks like the conversion to Imperial is done implicitly.
// So nothing to do here.
break;
}
float scale_conv = bc_unit.getLinearMeter() / bl_scale;
float rescale[3];
rescale[0] = rescale[1] = rescale[2] = scale_conv;
float size_mat4[4][4];
float axis_mat4[4][4];
unit_m4(axis_mat4);
size_to_mat4(size_mat4, rescale);
for (std::vector<Object *>::iterator it = objects_done->begin();
it != objects_done->end();
++it)
{
ob = *it;
mult_m4_m4m4(ob->obmat, size_mat4, ob->obmat);
mult_m4_m4m4(ob->obmat, bc_unit.get_rotation(), ob->obmat);
BKE_object_apply_mat4(ob, ob->obmat, 0, 0);
}
}
TexMapping *add_mapping(void)
{
TexMapping *texmap= MEM_callocN(sizeof(TexMapping), "Tex map");
texmap->size[0]= texmap->size[1]= texmap->size[2]= 1.0f;
texmap->max[0]= texmap->max[1]= texmap->max[2]= 1.0f;
unit_m4(texmap->mat);
return texmap;
}
/* called from drawview.c, as an extra per-window draw option */
void drawPropCircle(const struct bContext *C, TransInfo *t)
{
if (t->flag & T_PROP_EDIT) {
RegionView3D *rv3d = CTX_wm_region_view3d(C);
float tmat[4][4], imat[4][4];
float center[3];
UI_ThemeColor(TH_GRID);
if(t->spacetype == SPACE_VIEW3D && rv3d != NULL)
{
copy_m4_m4(tmat, rv3d->viewmat);
invert_m4_m4(imat, tmat);
}
else
{
unit_m4(tmat);
unit_m4(imat);
}
glPushMatrix();
VECCOPY(center, t->center);
if((t->spacetype == SPACE_VIEW3D) && t->obedit)
{
mul_m4_v3(t->obedit->obmat, center); /* because t->center is in local space */
}
else if(t->spacetype == SPACE_IMAGE)
{
float aspx, aspy;
ED_space_image_uv_aspect(t->sa->spacedata.first, &aspx, &aspy);
glScalef(1.0f/aspx, 1.0f/aspy, 1.0);
}
set_inverted_drawing(1);
drawcircball(GL_LINE_LOOP, center, t->prop_size, imat);
set_inverted_drawing(0);
glPopMatrix();
}
}
/* Use 2D quad corners to create a matrix that set
* a [-1..1] quad at the right position. */
static void v2_quad_corners_to_mat4(float corners[4][2], float r_mat[4][4])
{
unit_m4(r_mat);
sub_v2_v2v2(r_mat[0], corners[1], corners[0]);
sub_v2_v2v2(r_mat[1], corners[3], corners[0]);
mul_v2_fl(r_mat[0], 0.5f);
mul_v2_fl(r_mat[1], 0.5f);
copy_v2_v2(r_mat[3], corners[0]);
add_v2_v2(r_mat[3], r_mat[0]);
add_v2_v2(r_mat[3], r_mat[1]);
}
static void particle_system_minmax(Scene *scene,
Object *object,
ParticleSystem *psys,
float radius,
float min[3], float max[3])
{
const float size[3] = {radius, radius, radius};
const float cfra = BKE_scene_frame_get(scene);
ParticleSettings *part = psys->part;
ParticleSimulationData sim = {NULL};
ParticleData *pa = NULL;
int i;
int total_particles;
float mat[4][4], imat[4][4];
INIT_MINMAX(min, max);
if (part->type == PART_HAIR) {
/* TOOD(sergey): Not supported currently. */
return;
}
unit_m4(mat);
psys_render_set(object, psys, mat, mat, 1, 1, 0);
sim.scene = scene;
sim.ob = object;
sim.psys = psys;
sim.psmd = psys_get_modifier(object, psys);
invert_m4_m4(imat, object->obmat);
total_particles = psys->totpart + psys->totchild;
psys->lattice_deform_data = psys_create_lattice_deform_data(&sim);
for (i = 0, pa = psys->particles; i < total_particles; i++, pa++) {
float co_object[3], co_min[3], co_max[3];
ParticleKey state;
state.time = cfra;
if (!psys_get_particle_state(&sim, i, &state, 0)) {
continue;
}
mul_v3_m4v3(co_object, imat, state.co);
sub_v3_v3v3(co_min, co_object, size);
add_v3_v3v3(co_max, co_object, size);
minmax_v3v3_v3(min, max, co_min);
minmax_v3v3_v3(min, max, co_max);
}
if (psys->lattice_deform_data) {
end_latt_deform(psys->lattice_deform_data);
psys->lattice_deform_data = NULL;
}
psys_render_restore(object, psys);
}
void TransformReader::dae_translate_to_mat4(COLLADAFW::Transformation *tm, float m[][4])
{
COLLADAFW::Translate *tra = (COLLADAFW::Translate*)tm;
COLLADABU::Math::Vector3& t = tra->getTranslation();
unit_m4(m);
m[3][0] = (float)t[0];
m[3][1] = (float)t[1];
m[3][2] = (float)t[2];
}
void default_tex_mapping(TexMapping *texmap)
{
memset(texmap, 0, sizeof(TexMapping));
texmap->size[0] = texmap->size[1] = texmap->size[2] = 1.0f;
texmap->max[0] = texmap->max[1] = texmap->max[2] = 1.0f;
unit_m4(texmap->mat);
texmap->projx = PROJ_X;
texmap->projy = PROJ_Y;
texmap->projz = PROJ_Z;
texmap->mapping = MTEX_FLAT;
}
/* Get 4x4 transformation matrix which corresponds to
* stabilization data and used for easy coordinate
* transformation.
*
* NOTE: The reason it is 4x4 matrix is because it's
* used for OpenGL drawing directly.
*/
void BKE_tracking_stabilization_data_to_mat4(int width, int height, float aspect,
float translation[2], float scale, float angle,
float mat[4][4])
{
float translation_mat[4][4], rotation_mat[4][4], scale_mat[4][4],
center_mat[4][4], inv_center_mat[4][4],
aspect_mat[4][4], inv_aspect_mat[4][4];
float scale_vector[3] = {scale, scale, scale};
unit_m4(translation_mat);
unit_m4(rotation_mat);
unit_m4(scale_mat);
unit_m4(center_mat);
unit_m4(aspect_mat);
/* aspect ratio correction matrix */
aspect_mat[0][0] = 1.0f / aspect;
invert_m4_m4(inv_aspect_mat, aspect_mat);
/* image center as rotation center
*
* Rotation matrix is constructing in a way rotation happens around image center,
* and it's matter of calculating translation in a way, that applying translation
* after rotation would make it so rotation happens around median point of tracks
* used for translation stabilization.
*/
center_mat[3][0] = (float)width / 2.0f;
center_mat[3][1] = (float)height / 2.0f;
invert_m4_m4(inv_center_mat, center_mat);
size_to_mat4(scale_mat, scale_vector); /* scale matrix */
add_v2_v2(translation_mat[3], translation); /* translation matrix */
rotate_m4(rotation_mat, 'Z', angle); /* rotation matrix */
/* compose transformation matrix */
mul_serie_m4(mat, translation_mat, center_mat, aspect_mat, rotation_mat, inv_aspect_mat,
scale_mat, inv_center_mat, NULL);
}
void BKE_texture_mapping_default(TexMapping *texmap, int type)
{
memset(texmap, 0, sizeof(TexMapping));
texmap->size[0] = texmap->size[1] = texmap->size[2] = 1.0f;
texmap->max[0] = texmap->max[1] = texmap->max[2] = 1.0f;
unit_m4(texmap->mat);
texmap->projx = PROJ_X;
texmap->projy = PROJ_Y;
texmap->projz = PROJ_Z;
texmap->mapping = MTEX_FLAT;
texmap->type = type;
}
/* OB_DUPLIGROUP */
static void make_duplis_group(const DupliContext *ctx)
{
bool for_render = ctx->eval_ctx->for_render;
Object *ob = ctx->object;
Group *group;
GroupObject *go;
float group_mat[4][4];
int id;
bool animated, hide;
if (ob->dup_group == NULL) return;
group = ob->dup_group;
/* combine group offset and obmat */
unit_m4(group_mat);
sub_v3_v3(group_mat[3], group->dupli_ofs);
mul_m4_m4m4(group_mat, ob->obmat, group_mat);
/* don't access 'ob->obmat' from now on. */
/* handles animated groups */
/* we need to check update for objects that are not in scene... */
if (ctx->do_update) {
/* note: update is optional because we don't always need object
* transformations to be correct. Also fixes bug [#29616]. */
BKE_group_handle_recalc_and_update(ctx->eval_ctx, ctx->scene, ob, group);
}
animated = BKE_group_is_animated(group, ob);
for (go = group->gobject.first, id = 0; go; go = go->next, id++) {
/* note, if you check on layer here, render goes wrong... it still deforms verts and uses parent imat */
if (go->ob != ob) {
float mat[4][4];
/* group dupli offset, should apply after everything else */
mul_m4_m4m4(mat, group_mat, go->ob->obmat);
/* check the group instance and object layers match, also that the object visible flags are ok. */
hide = (go->ob->lay & group->layer) == 0 ||
(for_render ? go->ob->restrictflag & OB_RESTRICT_RENDER : go->ob->restrictflag & OB_RESTRICT_VIEW);
make_dupli(ctx, go->ob, mat, id, animated, hide);
/* recursion */
make_recursive_duplis(ctx, go->ob, group_mat, id, animated);
}
}
}
void TransformReader::get_node_mat(float mat[4][4], COLLADAFW::Node *node, std::map<COLLADAFW::UniqueId, Animation> *animation_map, Object *ob)
{
float cur[4][4];
float copy[4][4];
unit_m4(mat);
for (unsigned int i = 0; i < node->getTransformations().getCount(); i++) {
COLLADAFW::Transformation *tm = node->getTransformations()[i];
COLLADAFW::Transformation::TransformationType type = tm->getTransformationType();
switch (type) {
case COLLADAFW::Transformation::MATRIX:
// XXX why does this return and discard all following transformations?
dae_matrix_to_mat4(tm, mat);
return;
case COLLADAFW::Transformation::TRANSLATE:
dae_translate_to_mat4(tm, cur);
break;
case COLLADAFW::Transformation::ROTATE:
dae_rotate_to_mat4(tm, cur);
break;
case COLLADAFW::Transformation::SCALE:
dae_scale_to_mat4(tm, cur);
break;
case COLLADAFW::Transformation::LOOKAT:
case COLLADAFW::Transformation::SKEW:
fprintf(stderr, "LOOKAT and SKEW transformations are not supported yet.\n");
break;
}
copy_m4_m4(copy, mat);
mul_m4_m4m4(mat, copy, cur);
if (animation_map) {
// AnimationList that drives this Transformation
const COLLADAFW::UniqueId& anim_list_id = tm->getAnimationList();
// store this so later we can link animation data with ob
Animation anim = {ob, node, tm};
(*animation_map)[anim_list_id] = anim;
}
}
}
static void object_warp_calc_view_matrix(float r_mat_view[4][4], float r_center_view[3],
Object *obedit, float viewmat[4][4], const float center[3],
const float offset_angle)
{
float mat_offset[4][4];
float viewmat_roll[4][4];
/* apply the rotation offset by rolling the view */
unit_m4(mat_offset);
rotate_m4(mat_offset, 'Z', offset_angle);
mul_m4_m4m4(viewmat_roll, mat_offset, viewmat);
/* apply the view and the object matrix */
mul_m4_m4m4(r_mat_view, viewmat_roll, obedit->obmat);
/* get the view-space cursor */
mul_v3_m4v3(r_center_view, viewmat_roll, center);
}
/* mostly a copy from convertblender.c */
static void dupli_render_particle_set(Scene *scene, Object *ob, int level, int enable)
{
/* ugly function, but we need to set particle systems to their render
* settings before calling object_duplilist, to get render level duplis */
Group *group;
GroupObject *go;
ParticleSystem *psys;
DerivedMesh *dm;
float mat[4][4];
unit_m4(mat);
if (level >= MAX_DUPLI_RECUR)
return;
if (ob->transflag & OB_DUPLIPARTS) {
for (psys = ob->particlesystem.first; psys; psys = psys->next) {
if (ELEM(psys->part->ren_as, PART_DRAW_OB, PART_DRAW_GR)) {
if (enable)
psys_render_set(ob, psys, mat, mat, 1, 1, 0.f);
else
psys_render_restore(ob, psys);
}
}
if (enable) {
/* this is to make sure we get render level duplis in groups:
* the derivedmesh must be created before init_render_mesh,
* since object_duplilist does dupliparticles before that */
dm = mesh_create_derived_render(scene, ob, CD_MASK_BAREMESH | CD_MASK_MLOOPUV | CD_MASK_MLOOPCOL);
dm->release(dm);
for (psys = ob->particlesystem.first; psys; psys = psys->next)
psys_get_modifier(ob, psys)->flag &= ~eParticleSystemFlag_psys_updated;
}
}
if (ob->dup_group == NULL) return;
group = ob->dup_group;
for (go = group->gobject.first; go; go = go->next)
dupli_render_particle_set(scene, go->ob, level + 1, enable);
}
/* create initial context for root object */
static void init_context(DupliContext *r_ctx, EvaluationContext *eval_ctx, Scene *scene, Object *ob, float space_mat[4][4], bool update)
{
r_ctx->eval_ctx = eval_ctx;
r_ctx->scene = scene;
/* don't allow BKE_object_handle_update for viewport during render, can crash */
r_ctx->do_update = update && !(G.is_rendering && eval_ctx->mode != DAG_EVAL_RENDER);
r_ctx->animated = false;
r_ctx->group = NULL;
r_ctx->object = ob;
if (space_mat)
copy_m4_m4(r_ctx->space_mat, space_mat);
else
unit_m4(r_ctx->space_mat);
r_ctx->lay = ob->lay;
r_ctx->level = 0;
r_ctx->gen = get_dupli_generator(r_ctx);
r_ctx->duplilist = NULL;
}
void init_tex_mapping(TexMapping *texmap)
{
float smat[3][3], rmat[3][3], mat[3][3], proj[3][3];
if (texmap->projx == PROJ_X && texmap->projy == PROJ_Y && texmap->projz == PROJ_Z &&
is_zero_v3(texmap->loc) && is_zero_v3(texmap->rot) && is_one_v3(texmap->size))
{
unit_m4(texmap->mat);
texmap->flag |= TEXMAP_UNIT_MATRIX;
}
else {
/* axis projection */
zero_m3(proj);
if (texmap->projx != PROJ_N)
proj[texmap->projx - 1][0] = 1.0f;
if (texmap->projy != PROJ_N)
proj[texmap->projy - 1][1] = 1.0f;
if (texmap->projz != PROJ_N)
proj[texmap->projz - 1][2] = 1.0f;
/* scale */
size_to_mat3(smat, texmap->size);
/* rotation */
/* TexMapping rotation are now in radians. */
eul_to_mat3(rmat, texmap->rot);
/* compose it all */
mul_m3_m3m3(mat, rmat, smat);
mul_m3_m3m3(mat, proj, mat);
/* translation */
copy_m4_m3(texmap->mat, mat);
copy_v3_v3(texmap->mat[3], texmap->loc);
texmap->flag &= ~TEXMAP_UNIT_MATRIX;
}
}
void BKE_lattice_resize(Lattice *lt, int uNew, int vNew, int wNew, Object *ltOb)
{
BPoint *bp;
int i, u, v, w;
float fu, fv, fw, uc, vc, wc, du = 0.0, dv = 0.0, dw = 0.0;
float *co, (*vertexCos)[3] = NULL;
/* vertex weight groups are just freed all for now */
if (lt->dvert) {
free_dverts(lt->dvert, lt->pntsu * lt->pntsv * lt->pntsw);
lt->dvert = NULL;
}
while (uNew * vNew * wNew > 32000) {
if (uNew >= vNew && uNew >= wNew) uNew--;
else if (vNew >= uNew && vNew >= wNew) vNew--;
else wNew--;
}
vertexCos = MEM_mallocN(sizeof(*vertexCos) * uNew * vNew * wNew, "tmp_vcos");
calc_lat_fudu(lt->flag, uNew, &fu, &du);
calc_lat_fudu(lt->flag, vNew, &fv, &dv);
calc_lat_fudu(lt->flag, wNew, &fw, &dw);
/* If old size is different then resolution changed in interface,
* try to do clever reinit of points. Pretty simply idea, we just
* deform new verts by old lattice, but scaling them to match old
* size first.
*/
if (ltOb) {
if (uNew != 1 && lt->pntsu != 1) {
fu = lt->fu;
du = (lt->pntsu - 1) * lt->du / (uNew - 1);
}
if (vNew != 1 && lt->pntsv != 1) {
fv = lt->fv;
dv = (lt->pntsv - 1) * lt->dv / (vNew - 1);
}
if (wNew != 1 && lt->pntsw != 1) {
fw = lt->fw;
dw = (lt->pntsw - 1) * lt->dw / (wNew - 1);
}
}
co = vertexCos[0];
for (w = 0, wc = fw; w < wNew; w++, wc += dw) {
for (v = 0, vc = fv; v < vNew; v++, vc += dv) {
for (u = 0, uc = fu; u < uNew; u++, co += 3, uc += du) {
co[0] = uc;
co[1] = vc;
co[2] = wc;
}
}
}
if (ltOb) {
float mat[4][4];
int typeu = lt->typeu, typev = lt->typev, typew = lt->typew;
/* works best if we force to linear type (endpoints match) */
lt->typeu = lt->typev = lt->typew = KEY_LINEAR;
/* prevent using deformed locations */
BKE_displist_free(<Ob->disp);
copy_m4_m4(mat, ltOb->obmat);
unit_m4(ltOb->obmat);
lattice_deform_verts(ltOb, NULL, NULL, vertexCos, uNew * vNew * wNew, NULL, 1.0f);
copy_m4_m4(ltOb->obmat, mat);
lt->typeu = typeu;
lt->typev = typev;
lt->typew = typew;
}
lt->fu = fu;
lt->fv = fv;
lt->fw = fw;
lt->du = du;
lt->dv = dv;
lt->dw = dw;
lt->pntsu = uNew;
lt->pntsv = vNew;
lt->pntsw = wNew;
MEM_freeN(lt->def);
lt->def = MEM_callocN(lt->pntsu * lt->pntsv * lt->pntsw * sizeof(BPoint), "lattice bp");
bp = lt->def;
for (i = 0; i < lt->pntsu * lt->pntsv * lt->pntsw; i++, bp++) {
copy_v3_v3(bp->vec, vertexCos[i]);
}
MEM_freeN(vertexCos);
}
static void make_duplis_font(const DupliContext *ctx)
{
Object *par = ctx->object;
GHash *family_gh;
Object *ob;
Curve *cu;
struct CharTrans *ct, *chartransdata = NULL;
float vec[3], obmat[4][4], pmat[4][4], fsize, xof, yof;
int text_len, a;
size_t family_len;
const wchar_t *text = NULL;
bool text_free = false;
/* font dupliverts not supported inside groups */
if (ctx->group)
return;
copy_m4_m4(pmat, par->obmat);
/* in par the family name is stored, use this to find the other objects */
BKE_vfont_to_curve_ex(G.main, par, FO_DUPLI, NULL,
&text, &text_len, &text_free, &chartransdata);
if (text == NULL || chartransdata == NULL) {
return;
}
cu = par->data;
fsize = cu->fsize;
xof = cu->xof;
yof = cu->yof;
ct = chartransdata;
/* cache result */
family_len = strlen(cu->family);
family_gh = BLI_ghash_int_new_ex(__func__, 256);
/* advance matching BLI_strncpy_wchar_from_utf8 */
for (a = 0; a < text_len; a++, ct++) {
ob = find_family_object(cu->family, family_len, (unsigned int)text[a], family_gh);
if (ob) {
vec[0] = fsize * (ct->xof - xof);
vec[1] = fsize * (ct->yof - yof);
vec[2] = 0.0;
mul_m4_v3(pmat, vec);
copy_m4_m4(obmat, par->obmat);
if (UNLIKELY(ct->rot != 0.0f)) {
float rmat[4][4];
zero_v3(obmat[3]);
unit_m4(rmat);
rotate_m4(rmat, 'Z', -ct->rot);
mul_m4_m4m4(obmat, obmat, rmat);
}
copy_v3_v3(obmat[3], vec);
make_dupli(ctx, ob, obmat, a, false, false);
}
}
if (text_free) {
MEM_freeN((void *)text);
}
BLI_ghash_free(family_gh, NULL, NULL);
MEM_freeN(chartransdata);
}
/* OB_DUPLIGROUP */
static void make_duplis_group(const DupliContext *ctx)
{
bool for_render = (ctx->eval_ctx->mode == DAG_EVAL_RENDER);
Object *ob = ctx->object;
Group *group;
GroupObject *go;
float group_mat[4][4];
int id;
bool animated, hide;
if (ob->dup_group == NULL) return;
group = ob->dup_group;
/* combine group offset and obmat */
unit_m4(group_mat);
sub_v3_v3(group_mat[3], group->dupli_ofs);
mul_m4_m4m4(group_mat, ob->obmat, group_mat);
/* don't access 'ob->obmat' from now on. */
/* handles animated groups */
/* we need to check update for objects that are not in scene... */
if (ctx->do_update) {
/* note: update is optional because we don't always need object
* transformations to be correct. Also fixes bug [#29616]. */
BKE_group_handle_recalc_and_update(ctx->eval_ctx, ctx->scene, ob, group);
}
animated = BKE_group_is_animated(group, ob);
for (go = group->gobject.first, id = 0; go; go = go->next, id++) {
/* note, if you check on layer here, render goes wrong... it still deforms verts and uses parent imat */
if (go->ob != ob) {
float mat[4][4];
/* Special case for instancing dupli-groups, see: T40051
* this object may be instanced via dupli-verts/faces, in this case we don't want to render
* (blender convention), but _do_ show in the viewport.
*
* Regular objects work fine but not if we're instancing dupli-groups,
* because the rules for rendering aren't applied to objects they instance.
* We could recursively pass down the 'hide' flag instead, but that seems unnecessary.
*/
if (for_render && go->ob->parent && go->ob->parent->transflag & (OB_DUPLIVERTS | OB_DUPLIFACES)) {
continue;
}
/* group dupli offset, should apply after everything else */
mul_m4_m4m4(mat, group_mat, go->ob->obmat);
/* check the group instance and object layers match, also that the object visible flags are ok. */
hide = (go->ob->lay & group->layer) == 0 ||
(for_render ? go->ob->restrictflag & OB_RESTRICT_RENDER : go->ob->restrictflag & OB_RESTRICT_VIEW);
make_dupli(ctx, go->ob, mat, id, animated, hide);
/* recursion */
make_recursive_duplis(ctx, go->ob, group_mat, id, animated);
}
}
}
