diff options
Diffstat (limited to 'intern/cycles/blender/blender_curves.cpp')
| -rw-r--r-- | intern/cycles/blender/blender_curves.cpp | 245 |
1 files changed, 244 insertions, 1 deletions
diff --git a/intern/cycles/blender/blender_curves.cpp b/intern/cycles/blender/blender_curves.cpp index 7b9d4f2ecdf..378ae67f0c7 100644 --- a/intern/cycles/blender/blender_curves.cpp +++ b/intern/cycles/blender/blender_curves.cpp @@ -37,6 +37,9 @@ void curveinterp_v3_v3v3v3v3(float3 *p, float3 *v1, float3 *v2, float3 *v3, floa void interp_weights(float t, float data[4]); float shaperadius(float shape, float root, float tip, float time); void InterpolateKeySegments(int seg, int segno, int key, int curve, float3 *keyloc, float *time, ParticleCurveData *CData); +bool ObtainCacheParticleUV(Mesh *mesh, BL::Mesh *b_mesh, BL::Object *b_ob, ParticleCurveData *CData, bool background, int uv_num); +bool ObtainCacheParticleVcol(Mesh *mesh, BL::Mesh *b_mesh, BL::Object *b_ob, ParticleCurveData *CData, bool background, int vcol_num); +bool ObtainCacheParticleData(Mesh *mesh, BL::Mesh *b_mesh, BL::Object *b_ob, ParticleCurveData *CData, bool background); void ExportCurveSegments(Scene *scene, Mesh *mesh, ParticleCurveData *CData); void ExportCurveTrianglePlanes(Mesh *mesh, ParticleCurveData *CData, float3 RotCam, bool is_ortho); @@ -116,6 +119,220 @@ void InterpolateKeySegments(int seg, int segno, int key, int curve, float3 *keyl curveinterp_v3_v3v3v3v3(keyloc, &ckey_loc1, &ckey_loc2, &ckey_loc3, &ckey_loc4, t); } +bool ObtainCacheParticleData(Mesh *mesh, BL::Mesh *b_mesh, BL::Object *b_ob, ParticleCurveData *CData, bool background) +{ + int curvenum = 0; + int keyno = 0; + + if(!(mesh && b_mesh && b_ob && CData)) + return false; + + Transform tfm = get_transform(b_ob->matrix_world()); + Transform itfm = transform_quick_inverse(tfm); + + BL::Object::modifiers_iterator b_mod; + for(b_ob->modifiers.begin(b_mod); b_mod != b_ob->modifiers.end(); ++b_mod) { + if((b_mod->type() == b_mod->type_PARTICLE_SYSTEM) && (background ? b_mod->show_render() : b_mod->show_viewport())) { + BL::ParticleSystemModifier psmd((const PointerRNA)b_mod->ptr); + BL::ParticleSystem b_psys((const PointerRNA)psmd.particle_system().ptr); + BL::ParticleSettings b_part((const PointerRNA)b_psys.settings().ptr); + + 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, mesh->used_shaders.size()-1); + int draw_step = background ? b_part.render_step() : b_part.draw_step(); + int totparts = b_psys.particles.length(); + int totchild = background ? b_psys.child_particles.length() : (int)((float)b_psys.child_particles.length() * (float)b_part.draw_percentage() / 100.0f); + int totcurves = totchild; + + if(b_part.child_type() == 0 || totchild == 0) + totcurves += totparts; + + if(totcurves == 0) + continue; + + int ren_step = (1 << draw_step) + 1; + if(b_part.kink() == BL::ParticleSettings::kink_SPIRAL) + ren_step += b_part.kink_extra_steps(); + + PointerRNA cpsys = RNA_pointer_get(&b_part.ptr, "cycles"); + + CData->psys_firstcurve.push_back_slow(curvenum); + CData->psys_curvenum.push_back_slow(totcurves); + CData->psys_shader.push_back_slow(shader); + + float radius = get_float(cpsys, "radius_scale") * 0.5f; + + CData->psys_rootradius.push_back_slow(radius * get_float(cpsys, "root_width")); + CData->psys_tipradius.push_back_slow(radius * get_float(cpsys, "tip_width")); + CData->psys_shape.push_back_slow(get_float(cpsys, "shape")); + CData->psys_closetip.push_back_slow(get_boolean(cpsys, "use_closetip")); + + int pa_no = 0; + if(!(b_part.child_type() == 0) && totchild != 0) + pa_no = totparts; + + int num_add = (totparts+totchild - pa_no); + CData->curve_firstkey.reserve(CData->curve_firstkey.size() + num_add); + CData->curve_keynum.reserve(CData->curve_keynum.size() + num_add); + CData->curve_length.reserve(CData->curve_length.size() + num_add); + CData->curvekey_co.reserve(CData->curvekey_co.size() + num_add*ren_step); + CData->curvekey_time.reserve(CData->curvekey_time.size() + num_add*ren_step); + + for(; pa_no < totparts+totchild; pa_no++) { + int keynum = 0; + CData->curve_firstkey.push_back_slow(keyno); + + float curve_length = 0.0f; + float3 pcKey; + for(int step_no = 0; step_no < ren_step; step_no++) { + float nco[3]; + b_psys.co_hair(*b_ob, pa_no, step_no, nco); + float3 cKey = make_float3(nco[0], nco[1], nco[2]); + cKey = transform_point(&itfm, cKey); + if(step_no > 0) { + float step_length = len(cKey - pcKey); + if(step_length == 0.0f) + continue; + curve_length += step_length; + } + CData->curvekey_co.push_back_slow(cKey); + CData->curvekey_time.push_back_slow(curve_length); + pcKey = cKey; + keynum++; + } + keyno += keynum; + + CData->curve_keynum.push_back_slow(keynum); + CData->curve_length.push_back_slow(curve_length); + curvenum++; + } + } + } + } + + return true; +} + +bool ObtainCacheParticleUV(Mesh *mesh, BL::Mesh *b_mesh, BL::Object *b_ob, ParticleCurveData *CData, bool background, int uv_num) +{ + if(!(mesh && b_mesh && b_ob && CData)) + return false; + + CData->curve_uv.clear(); + + BL::Object::modifiers_iterator b_mod; + for(b_ob->modifiers.begin(b_mod); b_mod != b_ob->modifiers.end(); ++b_mod) { + if((b_mod->type() == b_mod->type_PARTICLE_SYSTEM) && (background ? b_mod->show_render() : b_mod->show_viewport())) { + BL::ParticleSystemModifier psmd((const PointerRNA)b_mod->ptr); + BL::ParticleSystem b_psys((const PointerRNA)psmd.particle_system().ptr); + BL::ParticleSettings b_part((const PointerRNA)b_psys.settings().ptr); + + if((b_part.render_type() == BL::ParticleSettings::render_type_PATH) && (b_part.type() == BL::ParticleSettings::type_HAIR)) { + int totparts = b_psys.particles.length(); + int totchild = background ? b_psys.child_particles.length() : (int)((float)b_psys.child_particles.length() * (float)b_part.draw_percentage() / 100.0f); + int totcurves = totchild; + + if(b_part.child_type() == 0 || totchild == 0) + totcurves += totparts; + + if(totcurves == 0) + continue; + + int pa_no = 0; + if(!(b_part.child_type() == 0) && totchild != 0) + pa_no = totparts; + + int num_add = (totparts+totchild - pa_no); + CData->curve_uv.reserve(CData->curve_uv.size() + num_add); + + BL::ParticleSystem::particles_iterator b_pa; + b_psys.particles.begin(b_pa); + for(; pa_no < totparts+totchild; pa_no++) { + /* Add UVs */ + BL::Mesh::tessface_uv_textures_iterator l; + b_mesh->tessface_uv_textures.begin(l); + + float3 uv = make_float3(0.0f, 0.0f, 0.0f); + if(b_mesh->tessface_uv_textures.length()) + b_psys.uv_on_emitter(psmd, *b_pa, pa_no, uv_num, &uv.x); + CData->curve_uv.push_back_slow(uv); + + if(pa_no < totparts && b_pa != b_psys.particles.end()) + ++b_pa; + } + } + } + } + + return true; +} + +bool ObtainCacheParticleVcol(Mesh *mesh, BL::Mesh *b_mesh, BL::Object *b_ob, ParticleCurveData *CData, bool background, int vcol_num) +{ + if(!(mesh && b_mesh && b_ob && CData)) + return false; + + CData->curve_vcol.clear(); + + BL::Object::modifiers_iterator b_mod; + for(b_ob->modifiers.begin(b_mod); b_mod != b_ob->modifiers.end(); ++b_mod) { + if((b_mod->type() == b_mod->type_PARTICLE_SYSTEM) && (background ? b_mod->show_render() : b_mod->show_viewport())) { + BL::ParticleSystemModifier psmd((const PointerRNA)b_mod->ptr); + BL::ParticleSystem b_psys((const PointerRNA)psmd.particle_system().ptr); + BL::ParticleSettings b_part((const PointerRNA)b_psys.settings().ptr); + + if((b_part.render_type() == BL::ParticleSettings::render_type_PATH) && (b_part.type() == BL::ParticleSettings::type_HAIR)) { + int totparts = b_psys.particles.length(); + int totchild = background ? b_psys.child_particles.length() : (int)((float)b_psys.child_particles.length() * (float)b_part.draw_percentage() / 100.0f); + int totcurves = totchild; + + if(b_part.child_type() == 0 || totchild == 0) + totcurves += totparts; + + if(totcurves == 0) + continue; + + int pa_no = 0; + if(!(b_part.child_type() == 0) && totchild != 0) + pa_no = totparts; + + int num_add = (totparts+totchild - pa_no); + CData->curve_vcol.reserve(CData->curve_vcol.size() + num_add); + + BL::ParticleSystem::particles_iterator b_pa; + b_psys.particles.begin(b_pa); + for(; pa_no < totparts+totchild; pa_no++) { + /* Add vertex colors */ + BL::Mesh::tessface_vertex_colors_iterator l; + b_mesh->tessface_vertex_colors.begin(l); + + float3 vcol = make_float3(0.0f, 0.0f, 0.0f); + if(b_mesh->tessface_vertex_colors.length()) + b_psys.mcol_on_emitter(psmd, *b_pa, pa_no, vcol_num, &vcol.x); + CData->curve_vcol.push_back_slow(vcol); + + if(pa_no < totparts && b_pa != b_psys.particles.end()) + ++b_pa; + } + } + } + } + + return true; +} + +static void set_resolution(BL::Object *b_ob, BL::Scene *scene, bool render) +{ + BL::Object::modifiers_iterator b_mod; + for(b_ob->modifiers.begin(b_mod); b_mod != b_ob->modifiers.end(); ++b_mod) { + if((b_mod->type() == b_mod->type_PARTICLE_SYSTEM) && ((b_mod->show_viewport()) || (b_mod->show_render()))) { + BL::ParticleSystemModifier psmd((const PointerRNA)b_mod->ptr); + BL::ParticleSystem b_psys((const PointerRNA)psmd.particle_system().ptr); + b_psys.set_resolution(*scene, *b_ob, (render)? 2: 1); + } + } +} + void ExportCurveTrianglePlanes(Mesh *mesh, ParticleCurveData *CData, float3 RotCam, bool is_ortho) { @@ -620,6 +837,20 @@ void BlenderSync::sync_curve_settings() } if(curve_system_manager->modified_mesh(prev_curve_system_manager)) { + BL::BlendData::objects_iterator b_ob; + + for(b_data.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(); + mesh_map.set_recalc(key); + object_map.set_recalc(*b_ob); + } + } + } + } } if(curve_system_manager->modified(prev_curve_system_manager)) @@ -644,7 +875,7 @@ void BlenderSync::sync_curves(Mesh *mesh, /* obtain general settings */ bool use_curves = scene->curve_system_manager->use_curves; - if(!use_curves) { + if(!(use_curves && b_ob.mode() != b_ob.mode_PARTICLE_EDIT)) { if(!motion) mesh->compute_bounds(); return; @@ -661,6 +892,11 @@ void BlenderSync::sync_curves(Mesh *mesh, ParticleCurveData CData; + if(!preview) + set_resolution(&b_ob, &b_scene, true); + + ObtainCacheParticleData(mesh, &b_mesh, &b_ob, &CData, !preview); + /* add hair geometry to mesh */ if(primitive == CURVE_TRIANGLES) { if(triangle_method == CURVE_CAMERA_TRIANGLES) { @@ -728,6 +964,8 @@ void BlenderSync::sync_curves(Mesh *mesh, if(!mesh->need_attribute(scene, ustring(l->name().c_str()))) continue; + ObtainCacheParticleVcol(mesh, &b_mesh, &b_ob, &CData, !preview, vcol_num); + if(primitive == CURVE_TRIANGLES) { Attribute *attr_vcol = mesh->attributes.add( ustring(l->name().c_str()), TypeDesc::TypeColor, ATTR_ELEMENT_CORNER_BYTE); @@ -767,6 +1005,8 @@ void BlenderSync::sync_curves(Mesh *mesh, if(mesh->need_attribute(scene, name) || mesh->need_attribute(scene, std)) { Attribute *attr_uv; + ObtainCacheParticleUV(mesh, &b_mesh, &b_ob, &CData, !preview, uv_num); + if(primitive == CURVE_TRIANGLES) { if(active_render) attr_uv = mesh->attributes.add(std, name); @@ -797,6 +1037,9 @@ void BlenderSync::sync_curves(Mesh *mesh, } } + if(!preview) + set_resolution(&b_ob, &b_scene, false); + mesh->compute_bounds(); } |