diff options
Diffstat (limited to 'intern/cycles/blender/blender_curves.cpp')
| -rw-r--r-- | intern/cycles/blender/blender_curves.cpp | 681 |
1 files changed, 60 insertions, 621 deletions
diff --git a/intern/cycles/blender/blender_curves.cpp b/intern/cycles/blender/blender_curves.cpp index 847a43c5f34..82c99631a89 100644 --- a/intern/cycles/blender/blender_curves.cpp +++ b/intern/cycles/blender/blender_curves.cpp @@ -18,7 +18,6 @@ #include "render/camera.h" #include "render/curves.h" #include "render/hair.h" -#include "render/mesh.h" #include "render/object.h" #include "render/scene.h" @@ -39,27 +38,6 @@ ParticleCurveData::~ParticleCurveData() { } -static void interp_weights(float t, float data[4]) -{ - /* Cardinal curve interpolation */ - float t2 = t * t; - float t3 = t2 * t; - float fc = 0.71f; - - data[0] = -fc * t3 + 2.0f * fc * t2 - fc * t; - data[1] = (2.0f - fc) * t3 + (fc - 3.0f) * t2 + 1.0f; - data[2] = (fc - 2.0f) * t3 + (3.0f - 2.0f * fc) * t2 + fc * t; - data[3] = fc * t3 - fc * t2; -} - -static void curveinterp_v3_v3v3v3v3( - float3 *p, float3 *v1, float3 *v2, float3 *v3, float3 *v4, const float w[4]) -{ - p->x = v1->x * w[0] + v2->x * w[1] + v3->x * w[2] + v4->x * w[3]; - p->y = v1->y * w[0] + v2->y * w[1] + v3->y * w[2] + v4->y * w[3]; - p->z = v1->z * w[0] + v2->z * w[1] + v3->z * w[2] + v4->z * w[3]; -} - static float shaperadius(float shape, float root, float tip, float time) { assert(time >= 0.0f); @@ -77,43 +55,13 @@ static float shaperadius(float shape, float root, float tip, float time) /* curve functions */ -static void InterpolateKeySegments( - int seg, int segno, int key, int curve, float3 *keyloc, float *time, ParticleCurveData *CData) -{ - float3 ckey_loc1 = CData->curvekey_co[key]; - float3 ckey_loc2 = ckey_loc1; - float3 ckey_loc3 = CData->curvekey_co[key + 1]; - float3 ckey_loc4 = ckey_loc3; - - if (key > CData->curve_firstkey[curve]) - ckey_loc1 = CData->curvekey_co[key - 1]; - - if (key < CData->curve_firstkey[curve] + CData->curve_keynum[curve] - 2) - ckey_loc4 = CData->curvekey_co[key + 2]; - - float time1 = CData->curvekey_time[key] / CData->curve_length[curve]; - float time2 = CData->curvekey_time[key + 1] / CData->curve_length[curve]; - - float dfra = (time2 - time1) / (float)segno; - - if (time) - *time = (dfra * seg) + time1; - - float t[4]; - - interp_weights((float)seg / (float)segno, t); - - if (keyloc) - curveinterp_v3_v3v3v3v3(keyloc, &ckey_loc1, &ckey_loc2, &ckey_loc3, &ckey_loc4, t); -} - static bool ObtainCacheParticleData( - Geometry *geom, BL::Mesh *b_mesh, BL::Object *b_ob, ParticleCurveData *CData, bool background) + Hair *hair, BL::Mesh *b_mesh, BL::Object *b_ob, ParticleCurveData *CData, bool background) { int curvenum = 0; int keyno = 0; - if (!(geom && b_mesh && b_ob && CData)) + if (!(hair && b_mesh && b_ob && CData)) return false; Transform tfm = get_transform(b_ob->matrix_world()); @@ -129,7 +77,7 @@ static bool ObtainCacheParticleData( if ((b_part.render_type() == BL::ParticleSettings::render_type_PATH) && (b_part.type() == BL::ParticleSettings::type_HAIR)) { - int shader = clamp(b_part.material() - 1, 0, geom->used_shaders.size() - 1); + int shader = clamp(b_part.material() - 1, 0, hair->used_shaders.size() - 1); int display_step = background ? b_part.render_step() : b_part.display_step(); int totparts = b_psys.particles.length(); int totchild = background ? b_psys.child_particles.length() : @@ -203,14 +151,14 @@ static bool ObtainCacheParticleData( return true; } -static bool ObtainCacheParticleUV(Geometry *geom, +static bool ObtainCacheParticleUV(Hair *hair, BL::Mesh *b_mesh, BL::Object *b_ob, ParticleCurveData *CData, bool background, int uv_num) { - if (!(geom && b_mesh && b_ob && CData)) + if (!(hair && b_mesh && b_ob && CData)) return false; CData->curve_uv.clear(); @@ -266,14 +214,14 @@ static bool ObtainCacheParticleUV(Geometry *geom, return true; } -static bool ObtainCacheParticleVcol(Geometry *geom, +static bool ObtainCacheParticleVcol(Hair *hair, BL::Mesh *b_mesh, BL::Object *b_ob, ParticleCurveData *CData, bool background, int vcol_num) { - if (!(geom && b_mesh && b_ob && CData)) + if (!(hair && b_mesh && b_ob && CData)) return false; CData->curve_vcol.clear(); @@ -314,7 +262,7 @@ static bool ObtainCacheParticleVcol(Geometry *geom, BL::Mesh::vertex_colors_iterator l; b_mesh->vertex_colors.begin(l); - float3 vcol = make_float3(0.0f, 0.0f, 0.0f); + float4 vcol = make_float4(0.0f, 0.0f, 0.0f, 1.0f); if (b_mesh->vertex_colors.length()) b_psys.mcol_on_emitter(psmd, *b_pa, pa_no, vcol_num, &vcol.x); CData->curve_vcol.push_back_slow(vcol); @@ -329,272 +277,6 @@ static bool ObtainCacheParticleVcol(Geometry *geom, return true; } -static void ExportCurveTrianglePlanes(Mesh *mesh, - ParticleCurveData *CData, - float3 RotCam, - bool is_ortho) -{ - int vertexno = mesh->verts.size(); - int vertexindex = vertexno; - int numverts = 0, numtris = 0; - - /* compute and reserve size of arrays */ - for (int sys = 0; sys < CData->psys_firstcurve.size(); sys++) { - for (int curve = CData->psys_firstcurve[sys]; - curve < CData->psys_firstcurve[sys] + CData->psys_curvenum[sys]; - curve++) { - numverts += 2 + (CData->curve_keynum[curve] - 1) * 2; - numtris += (CData->curve_keynum[curve] - 1) * 2; - } - } - - mesh->reserve_mesh(mesh->verts.size() + numverts, mesh->num_triangles() + numtris); - - /* actually export */ - for (int sys = 0; sys < CData->psys_firstcurve.size(); sys++) { - for (int curve = CData->psys_firstcurve[sys]; - curve < CData->psys_firstcurve[sys] + CData->psys_curvenum[sys]; - curve++) { - float3 xbasis; - float3 v1; - float time = 0.0f; - float3 ickey_loc = CData->curvekey_co[CData->curve_firstkey[curve]]; - float radius = shaperadius( - CData->psys_shape[sys], CData->psys_rootradius[sys], CData->psys_tipradius[sys], 0.0f); - v1 = CData->curvekey_co[CData->curve_firstkey[curve] + 1] - - CData->curvekey_co[CData->curve_firstkey[curve]]; - if (is_ortho) - xbasis = normalize(cross(RotCam, v1)); - else - xbasis = normalize(cross(RotCam - ickey_loc, v1)); - float3 ickey_loc_shfl = ickey_loc - radius * xbasis; - float3 ickey_loc_shfr = ickey_loc + radius * xbasis; - mesh->add_vertex(ickey_loc_shfl); - mesh->add_vertex(ickey_loc_shfr); - vertexindex += 2; - - for (int curvekey = CData->curve_firstkey[curve] + 1; - curvekey < CData->curve_firstkey[curve] + CData->curve_keynum[curve]; - curvekey++) { - ickey_loc = CData->curvekey_co[curvekey]; - - if (curvekey == CData->curve_firstkey[curve] + CData->curve_keynum[curve] - 1) - v1 = CData->curvekey_co[curvekey] - - CData->curvekey_co[max(curvekey - 1, CData->curve_firstkey[curve])]; - else - v1 = CData->curvekey_co[curvekey + 1] - CData->curvekey_co[curvekey - 1]; - - time = CData->curvekey_time[curvekey] / CData->curve_length[curve]; - radius = shaperadius( - CData->psys_shape[sys], CData->psys_rootradius[sys], CData->psys_tipradius[sys], time); - - if (curvekey == CData->curve_firstkey[curve] + CData->curve_keynum[curve] - 1) - radius = shaperadius(CData->psys_shape[sys], - CData->psys_rootradius[sys], - CData->psys_tipradius[sys], - 0.95f); - - if (CData->psys_closetip[sys] && - (curvekey == CData->curve_firstkey[curve] + CData->curve_keynum[curve] - 1)) - radius = shaperadius(CData->psys_shape[sys], CData->psys_rootradius[sys], 0.0f, 0.95f); - - if (is_ortho) - xbasis = normalize(cross(RotCam, v1)); - else - xbasis = normalize(cross(RotCam - ickey_loc, v1)); - float3 ickey_loc_shfl = ickey_loc - radius * xbasis; - float3 ickey_loc_shfr = ickey_loc + radius * xbasis; - mesh->add_vertex(ickey_loc_shfl); - mesh->add_vertex(ickey_loc_shfr); - mesh->add_triangle( - vertexindex - 2, vertexindex, vertexindex - 1, CData->psys_shader[sys], true); - mesh->add_triangle( - vertexindex + 1, vertexindex - 1, vertexindex, CData->psys_shader[sys], true); - vertexindex += 2; - } - } - } - - mesh->resize_mesh(mesh->verts.size(), mesh->num_triangles()); - mesh->attributes.remove(ATTR_STD_VERTEX_NORMAL); - mesh->attributes.remove(ATTR_STD_FACE_NORMAL); - mesh->add_face_normals(); - mesh->add_vertex_normals(); - mesh->attributes.remove(ATTR_STD_FACE_NORMAL); - - /* texture coords still needed */ -} - -static void ExportCurveTriangleGeometry(Mesh *mesh, ParticleCurveData *CData, int resolution) -{ - int vertexno = mesh->verts.size(); - int vertexindex = vertexno; - int numverts = 0, numtris = 0; - - /* compute and reserve size of arrays */ - for (int sys = 0; sys < CData->psys_firstcurve.size(); sys++) { - for (int curve = CData->psys_firstcurve[sys]; - curve < CData->psys_firstcurve[sys] + CData->psys_curvenum[sys]; - curve++) { - numverts += (CData->curve_keynum[curve] - 1) * resolution + resolution; - numtris += (CData->curve_keynum[curve] - 1) * 2 * resolution; - } - } - - mesh->reserve_mesh(mesh->verts.size() + numverts, mesh->num_triangles() + numtris); - - /* actually export */ - for (int sys = 0; sys < CData->psys_firstcurve.size(); sys++) { - for (int curve = CData->psys_firstcurve[sys]; - curve < CData->psys_firstcurve[sys] + CData->psys_curvenum[sys]; - curve++) { - float3 firstxbasis = cross(make_float3(1.0f, 0.0f, 0.0f), - CData->curvekey_co[CData->curve_firstkey[curve] + 1] - - CData->curvekey_co[CData->curve_firstkey[curve]]); - if (!is_zero(firstxbasis)) - firstxbasis = normalize(firstxbasis); - else - firstxbasis = normalize(cross(make_float3(0.0f, 1.0f, 0.0f), - CData->curvekey_co[CData->curve_firstkey[curve] + 1] - - CData->curvekey_co[CData->curve_firstkey[curve]])); - - for (int curvekey = CData->curve_firstkey[curve]; - curvekey < CData->curve_firstkey[curve] + CData->curve_keynum[curve] - 1; - curvekey++) { - float3 xbasis = firstxbasis; - float3 v1; - float3 v2; - - if (curvekey == CData->curve_firstkey[curve]) { - v1 = CData->curvekey_co[min( - curvekey + 2, CData->curve_firstkey[curve] + CData->curve_keynum[curve] - 1)] - - CData->curvekey_co[curvekey + 1]; - v2 = CData->curvekey_co[curvekey + 1] - CData->curvekey_co[curvekey]; - } - else if (curvekey == CData->curve_firstkey[curve] + CData->curve_keynum[curve] - 1) { - v1 = CData->curvekey_co[curvekey] - CData->curvekey_co[curvekey - 1]; - v2 = CData->curvekey_co[curvekey - 1] - - CData->curvekey_co[max(curvekey - 2, CData->curve_firstkey[curve])]; - } - else { - v1 = CData->curvekey_co[curvekey + 1] - CData->curvekey_co[curvekey]; - v2 = CData->curvekey_co[curvekey] - CData->curvekey_co[curvekey - 1]; - } - - xbasis = cross(v1, v2); - - if (len_squared(xbasis) >= 0.05f * len_squared(v1) * len_squared(v2)) { - firstxbasis = normalize(xbasis); - break; - } - } - - for (int curvekey = CData->curve_firstkey[curve]; - curvekey < CData->curve_firstkey[curve] + CData->curve_keynum[curve] - 1; - curvekey++) { - int subv = 1; - float3 xbasis; - float3 ybasis; - float3 v1; - float3 v2; - - if (curvekey == CData->curve_firstkey[curve]) { - subv = 0; - v1 = CData->curvekey_co[min( - curvekey + 2, CData->curve_firstkey[curve] + CData->curve_keynum[curve] - 1)] - - CData->curvekey_co[curvekey + 1]; - v2 = CData->curvekey_co[curvekey + 1] - CData->curvekey_co[curvekey]; - } - else if (curvekey == CData->curve_firstkey[curve] + CData->curve_keynum[curve] - 1) { - v1 = CData->curvekey_co[curvekey] - CData->curvekey_co[curvekey - 1]; - v2 = CData->curvekey_co[curvekey - 1] - - CData->curvekey_co[max(curvekey - 2, CData->curve_firstkey[curve])]; - } - else { - v1 = CData->curvekey_co[curvekey + 1] - CData->curvekey_co[curvekey]; - v2 = CData->curvekey_co[curvekey] - CData->curvekey_co[curvekey - 1]; - } - - xbasis = cross(v1, v2); - - if (len_squared(xbasis) >= 0.05f * len_squared(v1) * len_squared(v2)) { - xbasis = normalize(xbasis); - firstxbasis = xbasis; - } - else - xbasis = firstxbasis; - - ybasis = normalize(cross(xbasis, v2)); - - for (; subv <= 1; subv++) { - float3 ickey_loc = make_float3(0.0f, 0.0f, 0.0f); - float time = 0.0f; - - InterpolateKeySegments(subv, 1, curvekey, curve, &ickey_loc, &time, CData); - - float radius = shaperadius(CData->psys_shape[sys], - CData->psys_rootradius[sys], - CData->psys_tipradius[sys], - time); - - if ((curvekey == CData->curve_firstkey[curve] + CData->curve_keynum[curve] - 2) && - (subv == 1)) - radius = shaperadius(CData->psys_shape[sys], - CData->psys_rootradius[sys], - CData->psys_tipradius[sys], - 0.95f); - - if (CData->psys_closetip[sys] && (subv == 1) && - (curvekey == CData->curve_firstkey[curve] + CData->curve_keynum[curve] - 2)) - radius = shaperadius(CData->psys_shape[sys], CData->psys_rootradius[sys], 0.0f, 0.95f); - - float angle = M_2PI_F / (float)resolution; - for (int section = 0; section < resolution; section++) { - float3 ickey_loc_shf = ickey_loc + radius * (cosf(angle * section) * xbasis + - sinf(angle * section) * ybasis); - mesh->add_vertex(ickey_loc_shf); - } - - if (subv != 0) { - for (int section = 0; section < resolution - 1; section++) { - mesh->add_triangle(vertexindex - resolution + section, - vertexindex + section, - vertexindex - resolution + section + 1, - CData->psys_shader[sys], - true); - mesh->add_triangle(vertexindex + section + 1, - vertexindex - resolution + section + 1, - vertexindex + section, - CData->psys_shader[sys], - true); - } - mesh->add_triangle(vertexindex - 1, - vertexindex + resolution - 1, - vertexindex - resolution, - CData->psys_shader[sys], - true); - mesh->add_triangle(vertexindex, - vertexindex - resolution, - vertexindex + resolution - 1, - CData->psys_shader[sys], - true); - } - vertexindex += resolution; - } - } - } - } - - mesh->resize_mesh(mesh->verts.size(), mesh->num_triangles()); - mesh->attributes.remove(ATTR_STD_VERTEX_NORMAL); - mesh->attributes.remove(ATTR_STD_FACE_NORMAL); - mesh->add_face_normals(); - mesh->add_vertex_normals(); - mesh->attributes.remove(ATTR_STD_FACE_NORMAL); - - /* texture coords still needed */ -} - static void ExportCurveSegments(Scene *scene, Hair *hair, ParticleCurveData *CData) { int num_keys = 0; @@ -823,154 +505,8 @@ static void ExportCurveSegmentsMotion(Hair *hair, ParticleCurveData *CData, int } } -static void ExportCurveTriangleUV(ParticleCurveData *CData, int resol, float2 *uvdata) -{ - if (uvdata == NULL) - return; - int vertexindex = 0; - - for (int sys = 0; sys < CData->psys_firstcurve.size(); sys++) { - for (int curve = CData->psys_firstcurve[sys]; - curve < CData->psys_firstcurve[sys] + CData->psys_curvenum[sys]; - curve++) { - for (int curvekey = CData->curve_firstkey[curve]; - curvekey < CData->curve_firstkey[curve] + CData->curve_keynum[curve] - 1; - curvekey++) { - for (int section = 0; section < resol; section++) { - uvdata[vertexindex] = CData->curve_uv[curve]; - vertexindex++; - uvdata[vertexindex] = CData->curve_uv[curve]; - vertexindex++; - uvdata[vertexindex] = CData->curve_uv[curve]; - vertexindex++; - uvdata[vertexindex] = CData->curve_uv[curve]; - vertexindex++; - uvdata[vertexindex] = CData->curve_uv[curve]; - vertexindex++; - uvdata[vertexindex] = CData->curve_uv[curve]; - vertexindex++; - } - } - } - } -} - -static void ExportCurveTriangleVcol(ParticleCurveData *CData, int resol, uchar4 *cdata) -{ - if (cdata == NULL) - return; - - int vertexindex = 0; - - for (int sys = 0; sys < CData->psys_firstcurve.size(); sys++) { - for (int curve = CData->psys_firstcurve[sys]; - curve < CData->psys_firstcurve[sys] + CData->psys_curvenum[sys]; - curve++) { - for (int curvekey = CData->curve_firstkey[curve]; - curvekey < CData->curve_firstkey[curve] + CData->curve_keynum[curve] - 1; - curvekey++) { - for (int section = 0; section < resol; section++) { - /* Encode vertex color using the sRGB curve. */ - cdata[vertexindex] = color_float_to_byte( - color_srgb_to_linear_v3(CData->curve_vcol[curve])); - vertexindex++; - cdata[vertexindex] = color_float_to_byte( - color_srgb_to_linear_v3(CData->curve_vcol[curve])); - vertexindex++; - cdata[vertexindex] = color_float_to_byte( - color_srgb_to_linear_v3(CData->curve_vcol[curve])); - vertexindex++; - cdata[vertexindex] = color_float_to_byte( - color_srgb_to_linear_v3(CData->curve_vcol[curve])); - vertexindex++; - cdata[vertexindex] = color_float_to_byte( - color_srgb_to_linear_v3(CData->curve_vcol[curve])); - vertexindex++; - cdata[vertexindex] = color_float_to_byte( - color_srgb_to_linear_v3(CData->curve_vcol[curve])); - vertexindex++; - } - } - } - } -} - /* Hair Curve Sync */ -void BlenderSync::sync_curve_settings(BL::Depsgraph &b_depsgraph) -{ - PointerRNA csscene = RNA_pointer_get(&b_scene.ptr, "cycles_curves"); - - CurveSystemManager *curve_system_manager = scene->curve_system_manager; - CurveSystemManager prev_curve_system_manager = *curve_system_manager; - - curve_system_manager->use_curves = get_boolean(csscene, "use_curves"); - - curve_system_manager->primitive = (CurvePrimitiveType)get_enum( - csscene, "primitive", CURVE_NUM_PRIMITIVE_TYPES, CURVE_LINE_SEGMENTS); - curve_system_manager->curve_shape = (CurveShapeType)get_enum( - csscene, "shape", CURVE_NUM_SHAPE_TYPES, CURVE_THICK); - curve_system_manager->resolution = get_int(csscene, "resolution"); - curve_system_manager->subdivisions = get_int(csscene, "subdivisions"); - curve_system_manager->use_backfacing = !get_boolean(csscene, "cull_backfacing"); - - /* Triangles */ - if (curve_system_manager->primitive == CURVE_TRIANGLES) { - /* camera facing planes */ - if (curve_system_manager->curve_shape == CURVE_RIBBON) { - curve_system_manager->triangle_method = CURVE_CAMERA_TRIANGLES; - curve_system_manager->resolution = 1; - } - else if (curve_system_manager->curve_shape == CURVE_THICK) { - curve_system_manager->triangle_method = CURVE_TESSELATED_TRIANGLES; - } - } - /* Line Segments */ - else if (curve_system_manager->primitive == CURVE_LINE_SEGMENTS) { - if (curve_system_manager->curve_shape == CURVE_RIBBON) { - /* tangent shading */ - curve_system_manager->line_method = CURVE_UNCORRECTED; - curve_system_manager->use_encasing = true; - curve_system_manager->use_backfacing = false; - curve_system_manager->use_tangent_normal_geometry = true; - } - else if (curve_system_manager->curve_shape == CURVE_THICK) { - curve_system_manager->line_method = CURVE_ACCURATE; - curve_system_manager->use_encasing = false; - curve_system_manager->use_tangent_normal_geometry = false; - } - } - /* Curve Segments */ - else if (curve_system_manager->primitive == CURVE_SEGMENTS) { - if (curve_system_manager->curve_shape == CURVE_RIBBON) { - curve_system_manager->primitive = CURVE_RIBBONS; - curve_system_manager->use_backfacing = false; - } - } - - if (curve_system_manager->modified_mesh(prev_curve_system_manager)) { - BL::Depsgraph::objects_iterator b_ob; - - for (b_depsgraph.objects.begin(b_ob); b_ob != b_data.objects.end(); ++b_ob) { - if (object_is_mesh(*b_ob)) { - BL::Object::particle_systems_iterator b_psys; - for (b_ob->particle_systems.begin(b_psys); b_psys != b_ob->particle_systems.end(); - ++b_psys) { - if ((b_psys->settings().render_type() == BL::ParticleSettings::render_type_PATH) && - (b_psys->settings().type() == BL::ParticleSettings::type_HAIR)) { - BL::ID key = BKE_object_is_modified(*b_ob) ? *b_ob : b_ob->data(); - geometry_map.set_recalc(key); - object_map.set_recalc(*b_ob); - } - } - } - } - } - - if (curve_system_manager->modified(prev_curve_system_manager)) - curve_system_manager->tag_update(scene); -} - bool BlenderSync::object_has_particle_hair(BL::Object b_ob) { /* Test if the object has a particle modifier with hair. */ @@ -994,78 +530,38 @@ bool BlenderSync::object_has_particle_hair(BL::Object b_ob) /* Old particle hair. */ void BlenderSync::sync_particle_hair( - Geometry *geom, BL::Mesh &b_mesh, BL::Object &b_ob, bool motion, int motion_step) + Hair *hair, BL::Mesh &b_mesh, BL::Object &b_ob, bool motion, int motion_step) { - Hair *hair = (geom->type == Geometry::HAIR) ? static_cast<Hair *>(geom) : NULL; - Mesh *mesh = (geom->type == Geometry::MESH) ? static_cast<Mesh *>(geom) : NULL; - /* obtain general settings */ if (b_ob.mode() == b_ob.mode_PARTICLE_EDIT || b_ob.mode() == b_ob.mode_EDIT) { return; } - const int triangle_method = scene->curve_system_manager->triangle_method; - const int resolution = scene->curve_system_manager->resolution; - int used_res = 1; - /* extract particle hair data - should be combined with connecting to mesh later*/ ParticleCurveData CData; - ObtainCacheParticleData(geom, &b_mesh, &b_ob, &CData, !preview); - - /* add hair geometry to mesh */ - if (mesh) { - if (triangle_method == CURVE_CAMERA_TRIANGLES) { - /* obtain camera parameters */ - float3 RotCam; - Camera *camera = scene->camera; - Transform &ctfm = camera->matrix; - if (camera->type == CAMERA_ORTHOGRAPHIC) { - RotCam = -make_float3(ctfm.x.z, ctfm.y.z, ctfm.z.z); - } - else { - Transform tfm = get_transform(b_ob.matrix_world()); - Transform itfm = transform_quick_inverse(tfm); - RotCam = transform_point(&itfm, make_float3(ctfm.x.w, ctfm.y.w, ctfm.z.w)); - } - bool is_ortho = camera->type == CAMERA_ORTHOGRAPHIC; - ExportCurveTrianglePlanes(mesh, &CData, RotCam, is_ortho); - } - else { - ExportCurveTriangleGeometry(mesh, &CData, resolution); - used_res = resolution; - } - } - else { - if (motion) - ExportCurveSegmentsMotion(hair, &CData, motion_step); - else - ExportCurveSegments(scene, hair, &CData); - } + ObtainCacheParticleData(hair, &b_mesh, &b_ob, &CData, !preview); + + /* add hair geometry */ + if (motion) + ExportCurveSegmentsMotion(hair, &CData, motion_step); + else + ExportCurveSegments(scene, hair, &CData); /* generated coordinates from first key. we should ideally get this from * blender to handle deforming objects */ if (!motion) { - if (geom->need_attribute(scene, ATTR_STD_GENERATED)) { + if (hair->need_attribute(scene, ATTR_STD_GENERATED)) { float3 loc, size; mesh_texture_space(b_mesh, loc, size); - if (mesh) { - Attribute *attr_generated = mesh->attributes.add(ATTR_STD_GENERATED); - float3 *generated = attr_generated->data_float3(); - - for (size_t i = 0; i < mesh->verts.size(); i++) - generated[i] = mesh->verts[i] * size - loc; - } - else { - Attribute *attr_generated = hair->attributes.add(ATTR_STD_GENERATED); - float3 *generated = attr_generated->data_float3(); + Attribute *attr_generated = hair->attributes.add(ATTR_STD_GENERATED); + float3 *generated = attr_generated->data_float3(); - for (size_t i = 0; i < hair->num_curves(); i++) { - float3 co = hair->curve_keys[hair->get_curve(i).first_key]; - generated[i] = co * size - loc; - } + for (size_t i = 0; i < hair->num_curves(); i++) { + float3 co = hair->curve_keys[hair->get_curve(i).first_key]; + generated[i] = co * size - loc; } } } @@ -1076,32 +572,22 @@ void BlenderSync::sync_particle_hair( int vcol_num = 0; for (b_mesh.vertex_colors.begin(l); l != b_mesh.vertex_colors.end(); ++l, vcol_num++) { - if (!geom->need_attribute(scene, ustring(l->name().c_str()))) + if (!hair->need_attribute(scene, ustring(l->name().c_str()))) continue; - ObtainCacheParticleVcol(geom, &b_mesh, &b_ob, &CData, !preview, vcol_num); + ObtainCacheParticleVcol(hair, &b_mesh, &b_ob, &CData, !preview, vcol_num); - if (mesh) { - Attribute *attr_vcol = mesh->attributes.add( - ustring(l->name().c_str()), TypeDesc::TypeColor, ATTR_ELEMENT_CORNER_BYTE); + Attribute *attr_vcol = hair->attributes.add( + ustring(l->name().c_str()), TypeRGBA, ATTR_ELEMENT_CURVE); - uchar4 *cdata = attr_vcol->data_uchar4(); + float4 *fdata = attr_vcol->data_float4(); - ExportCurveTriangleVcol(&CData, used_res, cdata); - } - else { - Attribute *attr_vcol = hair->attributes.add( - ustring(l->name().c_str()), TypeDesc::TypeColor, ATTR_ELEMENT_CURVE); - - float3 *fdata = attr_vcol->data_float3(); + if (fdata) { + size_t i = 0; - if (fdata) { - size_t i = 0; - - /* Encode vertex color using the sRGB curve. */ - for (size_t curve = 0; curve < CData.curve_vcol.size(); curve++) { - fdata[i++] = color_srgb_to_linear_v3(CData.curve_vcol[curve]); - } + /* Encode vertex color using the sRGB curve. */ + for (size_t curve = 0; curve < CData.curve_vcol.size(); curve++) { + fdata[i++] = color_srgb_to_linear_v4(CData.curve_vcol[curve]); } } } @@ -1118,35 +604,23 @@ void BlenderSync::sync_particle_hair( ustring name = ustring(l->name().c_str()); /* UV map */ - if (geom->need_attribute(scene, name) || geom->need_attribute(scene, std)) { + if (hair->need_attribute(scene, name) || hair->need_attribute(scene, std)) { Attribute *attr_uv; - ObtainCacheParticleUV(geom, &b_mesh, &b_ob, &CData, !preview, uv_num); + ObtainCacheParticleUV(hair, &b_mesh, &b_ob, &CData, !preview, uv_num); - if (mesh) { - if (active_render) - attr_uv = mesh->attributes.add(std, name); - else - attr_uv = mesh->attributes.add(name, TypeFloat2, ATTR_ELEMENT_CORNER); - - float2 *uv = attr_uv->data_float2(); - - ExportCurveTriangleUV(&CData, used_res, uv); - } - else { - if (active_render) - attr_uv = hair->attributes.add(std, name); - else - attr_uv = hair->attributes.add(name, TypeFloat2, ATTR_ELEMENT_CURVE); + if (active_render) + attr_uv = hair->attributes.add(std, name); + else + attr_uv = hair->attributes.add(name, TypeFloat2, ATTR_ELEMENT_CURVE); - float2 *uv = attr_uv->data_float2(); + float2 *uv = attr_uv->data_float2(); - if (uv) { - size_t i = 0; + if (uv) { + size_t i = 0; - for (size_t curve = 0; curve < CData.curve_uv.size(); curve++) { - uv[i++] = CData.curve_uv[curve]; - } + for (size_t curve = 0; curve < CData.curve_uv.size(); curve++) { + uv[i++] = CData.curve_uv[curve]; } } } @@ -1154,7 +628,6 @@ void BlenderSync::sync_particle_hair( } } -#ifdef WITH_NEW_OBJECT_TYPES static float4 hair_point_as_float4(BL::HairPoint b_point) { float4 mP = float3_to_float4(get_float3(b_point.co())); @@ -1320,12 +793,10 @@ static void export_hair_curves_motion(Hair *hair, BL::Hair b_hair, int motion_st export_hair_motion_validate_attribute(hair, motion_step, num_motion_keys, have_motion); } } -#endif /* WITH_NEW_OBJECT_TYPES */ /* Hair object. */ void BlenderSync::sync_hair(Hair *hair, BL::Object &b_ob, bool motion, int motion_step) { -#ifdef WITH_NEW_OBJECT_TYPES /* Convert Blender hair to Cycles curves. */ BL::Hair b_hair(b_ob.data()); if (motion) { @@ -1334,97 +805,70 @@ void BlenderSync::sync_hair(Hair *hair, BL::Object &b_ob, bool motion, int motio else { export_hair_curves(scene, hair, b_hair); } -#else - (void)hair; - (void)b_ob; - (void)motion; - (void)motion_step; -#endif /* WITH_NEW_OBJECT_TYPES */ } void BlenderSync::sync_hair(BL::Depsgraph b_depsgraph, BL::Object b_ob, - Geometry *geom, + Hair *hair, const vector<Shader *> &used_shaders) { - Hair *hair = (geom->type == Geometry::HAIR) ? static_cast<Hair *>(geom) : NULL; - Mesh *mesh = (geom->type == Geometry::MESH) ? static_cast<Mesh *>(geom) : NULL; - /* Compares curve_keys rather than strands in order to handle quick hair * adjustments in dynamic BVH - other methods could probably do this better. */ array<float3> oldcurve_keys; array<float> oldcurve_radius; - array<int> oldtriangles; - if (hair) { - oldcurve_keys.steal_data(hair->curve_keys); - oldcurve_radius.steal_data(hair->curve_radius); - } - else { - oldtriangles.steal_data(mesh->triangles); - } + oldcurve_keys.steal_data(hair->curve_keys); + oldcurve_radius.steal_data(hair->curve_radius); - geom->clear(); - geom->used_shaders = used_shaders; + hair->clear(); + hair->used_shaders = used_shaders; - if (view_layer.use_hair && scene->curve_system_manager->use_curves) { -#ifdef WITH_NEW_OBJECT_TYPES + if (view_layer.use_hair) { if (b_ob.type() == BL::Object::type_HAIR) { /* Hair object. */ sync_hair(hair, b_ob, false); - assert(mesh == NULL); } - else -#endif - { + else { /* Particle hair. */ - bool need_undeformed = geom->need_attribute(scene, ATTR_STD_GENERATED); + bool need_undeformed = hair->need_attribute(scene, ATTR_STD_GENERATED); BL::Mesh b_mesh = object_to_mesh( b_data, b_ob, b_depsgraph, need_undeformed, Mesh::SUBDIVISION_NONE); if (b_mesh) { - sync_particle_hair(geom, b_mesh, b_ob, false); + sync_particle_hair(hair, b_mesh, b_ob, false); free_object_to_mesh(b_data, b_ob, b_mesh); } } } /* tag update */ - const bool rebuild = (hair && ((oldcurve_keys != hair->curve_keys) || - (oldcurve_radius != hair->curve_radius))) || - (mesh && (oldtriangles != mesh->triangles)); + const bool rebuild = ((oldcurve_keys != hair->curve_keys) || + (oldcurve_radius != hair->curve_radius)); - geom->tag_update(scene, rebuild); + hair->tag_update(scene, rebuild); } void BlenderSync::sync_hair_motion(BL::Depsgraph b_depsgraph, BL::Object b_ob, - Geometry *geom, + Hair *hair, int motion_step) { - Hair *hair = (geom->type == Geometry::HAIR) ? static_cast<Hair *>(geom) : NULL; - Mesh *mesh = (geom->type == Geometry::MESH) ? static_cast<Mesh *>(geom) : NULL; - /* Skip if nothing exported. */ - if ((hair && hair->num_keys() == 0) || (mesh && mesh->verts.size() == 0)) { + if (hair->num_keys() == 0) { return; } /* Export deformed coordinates. */ if (ccl::BKE_object_is_deform_modified(b_ob, b_scene, preview)) { -#ifdef WITH_NEW_OBJECT_TYPES if (b_ob.type() == BL::Object::type_HAIR) { /* Hair object. */ sync_hair(hair, b_ob, true, motion_step); - assert(mesh == NULL); return; } - else -#endif - { + else { /* Particle hair. */ BL::Mesh b_mesh = object_to_mesh(b_data, b_ob, b_depsgraph, false, Mesh::SUBDIVISION_NONE); if (b_mesh) { - sync_particle_hair(geom, b_mesh, b_ob, true, motion_step); + sync_particle_hair(hair, b_mesh, b_ob, true, motion_step); free_object_to_mesh(b_data, b_ob, b_mesh); return; } @@ -1432,12 +876,7 @@ void BlenderSync::sync_hair_motion(BL::Depsgraph b_depsgraph, } /* No deformation on this frame, copy coordinates if other frames did have it. */ - if (hair) { - hair->copy_center_to_motion_step(motion_step); - } - else { - mesh->copy_center_to_motion_step(motion_step); - } + hair->copy_center_to_motion_step(motion_step); } CCL_NAMESPACE_END |