Apply clang format as proposed in T53211. For details on usage and instructions for migrating branches without conflicts, see: https://wiki.blender.org/wiki/Tools/ClangFormat
1145 lines
42 KiB
C++
1145 lines
42 KiB
C++
/*
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* Copyright 2011-2013 Blender Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "render/attribute.h"
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#include "render/camera.h"
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#include "render/curves.h"
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#include "render/mesh.h"
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#include "render/object.h"
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#include "render/scene.h"
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#include "blender/blender_sync.h"
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#include "blender/blender_util.h"
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#include "util/util_foreach.h"
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#include "util/util_hash.h"
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#include "util/util_logging.h"
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CCL_NAMESPACE_BEGIN
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ParticleCurveData::ParticleCurveData()
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{
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}
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ParticleCurveData::~ParticleCurveData()
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{
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}
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static void interp_weights(float t, float data[4])
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{
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/* Cardinal curve interpolation */
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float t2 = t * t;
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float t3 = t2 * t;
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float fc = 0.71f;
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data[0] = -fc * t3 + 2.0f * fc * t2 - fc * t;
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data[1] = (2.0f - fc) * t3 + (fc - 3.0f) * t2 + 1.0f;
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data[2] = (fc - 2.0f) * t3 + (3.0f - 2.0f * fc) * t2 + fc * t;
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data[3] = fc * t3 - fc * t2;
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}
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static void curveinterp_v3_v3v3v3v3(
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float3 *p, float3 *v1, float3 *v2, float3 *v3, float3 *v4, const float w[4])
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{
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p->x = v1->x * w[0] + v2->x * w[1] + v3->x * w[2] + v4->x * w[3];
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p->y = v1->y * w[0] + v2->y * w[1] + v3->y * w[2] + v4->y * w[3];
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p->z = v1->z * w[0] + v2->z * w[1] + v3->z * w[2] + v4->z * w[3];
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}
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static float shaperadius(float shape, float root, float tip, float time)
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{
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assert(time >= 0.0f);
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assert(time <= 1.0f);
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float radius = 1.0f - time;
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if (shape != 0.0f) {
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if (shape < 0.0f)
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radius = powf(radius, 1.0f + shape);
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else
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radius = powf(radius, 1.0f / (1.0f - shape));
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}
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return (radius * (root - tip)) + tip;
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}
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/* curve functions */
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static void InterpolateKeySegments(
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int seg, int segno, int key, int curve, float3 *keyloc, float *time, ParticleCurveData *CData)
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{
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float3 ckey_loc1 = CData->curvekey_co[key];
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float3 ckey_loc2 = ckey_loc1;
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float3 ckey_loc3 = CData->curvekey_co[key + 1];
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float3 ckey_loc4 = ckey_loc3;
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if (key > CData->curve_firstkey[curve])
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ckey_loc1 = CData->curvekey_co[key - 1];
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if (key < CData->curve_firstkey[curve] + CData->curve_keynum[curve] - 2)
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ckey_loc4 = CData->curvekey_co[key + 2];
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float time1 = CData->curvekey_time[key] / CData->curve_length[curve];
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float time2 = CData->curvekey_time[key + 1] / CData->curve_length[curve];
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float dfra = (time2 - time1) / (float)segno;
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if (time)
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*time = (dfra * seg) + time1;
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float t[4];
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interp_weights((float)seg / (float)segno, t);
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if (keyloc)
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curveinterp_v3_v3v3v3v3(keyloc, &ckey_loc1, &ckey_loc2, &ckey_loc3, &ckey_loc4, t);
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}
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static bool ObtainCacheParticleData(
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Mesh *mesh, BL::Mesh *b_mesh, BL::Object *b_ob, ParticleCurveData *CData, bool background)
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{
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int curvenum = 0;
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int keyno = 0;
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if (!(mesh && b_mesh && b_ob && CData))
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return false;
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Transform tfm = get_transform(b_ob->matrix_world());
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Transform itfm = transform_quick_inverse(tfm);
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BL::Object::modifiers_iterator b_mod;
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for (b_ob->modifiers.begin(b_mod); b_mod != b_ob->modifiers.end(); ++b_mod) {
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if ((b_mod->type() == b_mod->type_PARTICLE_SYSTEM) &&
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(background ? b_mod->show_render() : b_mod->show_viewport())) {
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BL::ParticleSystemModifier psmd((const PointerRNA)b_mod->ptr);
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BL::ParticleSystem b_psys((const PointerRNA)psmd.particle_system().ptr);
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BL::ParticleSettings b_part((const PointerRNA)b_psys.settings().ptr);
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if ((b_part.render_type() == BL::ParticleSettings::render_type_PATH) &&
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(b_part.type() == BL::ParticleSettings::type_HAIR)) {
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int shader = clamp(b_part.material() - 1, 0, mesh->used_shaders.size() - 1);
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int display_step = background ? b_part.render_step() : b_part.display_step();
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int totparts = b_psys.particles.length();
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int totchild = background ? b_psys.child_particles.length() :
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(int)((float)b_psys.child_particles.length() *
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(float)b_part.display_percentage() / 100.0f);
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int totcurves = totchild;
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if (b_part.child_type() == 0 || totchild == 0)
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totcurves += totparts;
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if (totcurves == 0)
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continue;
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int ren_step = (1 << display_step) + 1;
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if (b_part.kink() == BL::ParticleSettings::kink_SPIRAL)
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ren_step += b_part.kink_extra_steps();
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CData->psys_firstcurve.push_back_slow(curvenum);
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CData->psys_curvenum.push_back_slow(totcurves);
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CData->psys_shader.push_back_slow(shader);
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float radius = b_part.radius_scale() * 0.5f;
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CData->psys_rootradius.push_back_slow(radius * b_part.root_radius());
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CData->psys_tipradius.push_back_slow(radius * b_part.tip_radius());
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CData->psys_shape.push_back_slow(b_part.shape());
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CData->psys_closetip.push_back_slow(b_part.use_close_tip());
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int pa_no = 0;
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if (!(b_part.child_type() == 0) && totchild != 0)
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pa_no = totparts;
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int num_add = (totparts + totchild - pa_no);
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CData->curve_firstkey.reserve(CData->curve_firstkey.size() + num_add);
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CData->curve_keynum.reserve(CData->curve_keynum.size() + num_add);
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CData->curve_length.reserve(CData->curve_length.size() + num_add);
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CData->curvekey_co.reserve(CData->curvekey_co.size() + num_add * ren_step);
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CData->curvekey_time.reserve(CData->curvekey_time.size() + num_add * ren_step);
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for (; pa_no < totparts + totchild; pa_no++) {
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int keynum = 0;
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CData->curve_firstkey.push_back_slow(keyno);
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float curve_length = 0.0f;
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float3 pcKey;
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for (int step_no = 0; step_no < ren_step; step_no++) {
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float nco[3];
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b_psys.co_hair(*b_ob, pa_no, step_no, nco);
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float3 cKey = make_float3(nco[0], nco[1], nco[2]);
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cKey = transform_point(&itfm, cKey);
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if (step_no > 0) {
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const float step_length = len(cKey - pcKey);
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curve_length += step_length;
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}
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CData->curvekey_co.push_back_slow(cKey);
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CData->curvekey_time.push_back_slow(curve_length);
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pcKey = cKey;
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keynum++;
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}
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keyno += keynum;
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CData->curve_keynum.push_back_slow(keynum);
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CData->curve_length.push_back_slow(curve_length);
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curvenum++;
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}
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}
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}
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}
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return true;
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}
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static bool ObtainCacheParticleUV(Mesh *mesh,
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BL::Mesh *b_mesh,
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BL::Object *b_ob,
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ParticleCurveData *CData,
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bool background,
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int uv_num)
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{
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if (!(mesh && b_mesh && b_ob && CData))
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return false;
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CData->curve_uv.clear();
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BL::Object::modifiers_iterator b_mod;
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for (b_ob->modifiers.begin(b_mod); b_mod != b_ob->modifiers.end(); ++b_mod) {
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if ((b_mod->type() == b_mod->type_PARTICLE_SYSTEM) &&
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(background ? b_mod->show_render() : b_mod->show_viewport())) {
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BL::ParticleSystemModifier psmd((const PointerRNA)b_mod->ptr);
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BL::ParticleSystem b_psys((const PointerRNA)psmd.particle_system().ptr);
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BL::ParticleSettings b_part((const PointerRNA)b_psys.settings().ptr);
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if ((b_part.render_type() == BL::ParticleSettings::render_type_PATH) &&
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(b_part.type() == BL::ParticleSettings::type_HAIR)) {
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int totparts = b_psys.particles.length();
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int totchild = background ? b_psys.child_particles.length() :
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(int)((float)b_psys.child_particles.length() *
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(float)b_part.display_percentage() / 100.0f);
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int totcurves = totchild;
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if (b_part.child_type() == 0 || totchild == 0)
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totcurves += totparts;
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if (totcurves == 0)
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continue;
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int pa_no = 0;
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if (!(b_part.child_type() == 0) && totchild != 0)
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pa_no = totparts;
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int num_add = (totparts + totchild - pa_no);
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CData->curve_uv.reserve(CData->curve_uv.size() + num_add);
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BL::ParticleSystem::particles_iterator b_pa;
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b_psys.particles.begin(b_pa);
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for (; pa_no < totparts + totchild; pa_no++) {
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/* Add UVs */
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BL::Mesh::uv_layers_iterator l;
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b_mesh->uv_layers.begin(l);
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float2 uv = make_float2(0.0f, 0.0f);
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if (b_mesh->uv_layers.length())
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b_psys.uv_on_emitter(psmd, *b_pa, pa_no, uv_num, &uv.x);
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CData->curve_uv.push_back_slow(uv);
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if (pa_no < totparts && b_pa != b_psys.particles.end())
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++b_pa;
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}
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}
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}
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}
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return true;
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}
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static bool ObtainCacheParticleVcol(Mesh *mesh,
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BL::Mesh *b_mesh,
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BL::Object *b_ob,
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ParticleCurveData *CData,
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bool background,
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int vcol_num)
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{
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if (!(mesh && b_mesh && b_ob && CData))
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return false;
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CData->curve_vcol.clear();
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BL::Object::modifiers_iterator b_mod;
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for (b_ob->modifiers.begin(b_mod); b_mod != b_ob->modifiers.end(); ++b_mod) {
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if ((b_mod->type() == b_mod->type_PARTICLE_SYSTEM) &&
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(background ? b_mod->show_render() : b_mod->show_viewport())) {
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BL::ParticleSystemModifier psmd((const PointerRNA)b_mod->ptr);
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BL::ParticleSystem b_psys((const PointerRNA)psmd.particle_system().ptr);
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BL::ParticleSettings b_part((const PointerRNA)b_psys.settings().ptr);
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if ((b_part.render_type() == BL::ParticleSettings::render_type_PATH) &&
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(b_part.type() == BL::ParticleSettings::type_HAIR)) {
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int totparts = b_psys.particles.length();
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int totchild = background ? b_psys.child_particles.length() :
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(int)((float)b_psys.child_particles.length() *
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(float)b_part.display_percentage() / 100.0f);
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int totcurves = totchild;
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if (b_part.child_type() == 0 || totchild == 0)
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totcurves += totparts;
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if (totcurves == 0)
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continue;
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int pa_no = 0;
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if (!(b_part.child_type() == 0) && totchild != 0)
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pa_no = totparts;
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int num_add = (totparts + totchild - pa_no);
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CData->curve_vcol.reserve(CData->curve_vcol.size() + num_add);
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BL::ParticleSystem::particles_iterator b_pa;
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b_psys.particles.begin(b_pa);
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for (; pa_no < totparts + totchild; pa_no++) {
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/* Add vertex colors */
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BL::Mesh::vertex_colors_iterator l;
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b_mesh->vertex_colors.begin(l);
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float3 vcol = make_float3(0.0f, 0.0f, 0.0f);
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if (b_mesh->vertex_colors.length())
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b_psys.mcol_on_emitter(psmd, *b_pa, pa_no, vcol_num, &vcol.x);
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CData->curve_vcol.push_back_slow(vcol);
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if (pa_no < totparts && b_pa != b_psys.particles.end())
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++b_pa;
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}
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}
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}
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}
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return true;
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}
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static void ExportCurveTrianglePlanes(Mesh *mesh,
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ParticleCurveData *CData,
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float3 RotCam,
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bool is_ortho)
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{
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int vertexno = mesh->verts.size();
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int vertexindex = vertexno;
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int numverts = 0, numtris = 0;
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/* compute and reserve size of arrays */
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for (int sys = 0; sys < CData->psys_firstcurve.size(); sys++) {
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for (int curve = CData->psys_firstcurve[sys];
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curve < CData->psys_firstcurve[sys] + CData->psys_curvenum[sys];
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curve++) {
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numverts += 2 + (CData->curve_keynum[curve] - 1) * 2;
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numtris += (CData->curve_keynum[curve] - 1) * 2;
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}
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}
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mesh->reserve_mesh(mesh->verts.size() + numverts, mesh->num_triangles() + numtris);
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/* actually export */
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for (int sys = 0; sys < CData->psys_firstcurve.size(); sys++) {
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for (int curve = CData->psys_firstcurve[sys];
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curve < CData->psys_firstcurve[sys] + CData->psys_curvenum[sys];
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curve++) {
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float3 xbasis;
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float3 v1;
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float time = 0.0f;
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float3 ickey_loc = CData->curvekey_co[CData->curve_firstkey[curve]];
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float radius = shaperadius(
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CData->psys_shape[sys], CData->psys_rootradius[sys], CData->psys_tipradius[sys], 0.0f);
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v1 = CData->curvekey_co[CData->curve_firstkey[curve] + 1] -
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CData->curvekey_co[CData->curve_firstkey[curve]];
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if (is_ortho)
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xbasis = normalize(cross(RotCam, v1));
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else
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xbasis = normalize(cross(RotCam - ickey_loc, v1));
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float3 ickey_loc_shfl = ickey_loc - radius * xbasis;
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float3 ickey_loc_shfr = ickey_loc + radius * xbasis;
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mesh->add_vertex(ickey_loc_shfl);
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mesh->add_vertex(ickey_loc_shfr);
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vertexindex += 2;
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for (int curvekey = CData->curve_firstkey[curve] + 1;
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curvekey < CData->curve_firstkey[curve] + CData->curve_keynum[curve];
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curvekey++) {
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ickey_loc = CData->curvekey_co[curvekey];
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if (curvekey == CData->curve_firstkey[curve] + CData->curve_keynum[curve] - 1)
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v1 = CData->curvekey_co[curvekey] -
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CData->curvekey_co[max(curvekey - 1, CData->curve_firstkey[curve])];
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else
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v1 = CData->curvekey_co[curvekey + 1] - CData->curvekey_co[curvekey - 1];
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time = CData->curvekey_time[curvekey] / CData->curve_length[curve];
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radius = shaperadius(
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CData->psys_shape[sys], CData->psys_rootradius[sys], CData->psys_tipradius[sys], time);
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if (curvekey == CData->curve_firstkey[curve] + CData->curve_keynum[curve] - 1)
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radius = shaperadius(CData->psys_shape[sys],
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CData->psys_rootradius[sys],
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CData->psys_tipradius[sys],
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0.95f);
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if (CData->psys_closetip[sys] &&
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(curvekey == CData->curve_firstkey[curve] + CData->curve_keynum[curve] - 1))
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radius = shaperadius(CData->psys_shape[sys], CData->psys_rootradius[sys], 0.0f, 0.95f);
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if (is_ortho)
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xbasis = normalize(cross(RotCam, v1));
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else
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xbasis = normalize(cross(RotCam - ickey_loc, v1));
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float3 ickey_loc_shfl = ickey_loc - radius * xbasis;
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float3 ickey_loc_shfr = ickey_loc + radius * xbasis;
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mesh->add_vertex(ickey_loc_shfl);
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mesh->add_vertex(ickey_loc_shfr);
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mesh->add_triangle(
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vertexindex - 2, vertexindex, vertexindex - 1, CData->psys_shader[sys], true);
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mesh->add_triangle(
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vertexindex + 1, vertexindex - 1, vertexindex, CData->psys_shader[sys], true);
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vertexindex += 2;
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}
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}
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}
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mesh->resize_mesh(mesh->verts.size(), mesh->num_triangles());
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mesh->attributes.remove(ATTR_STD_VERTEX_NORMAL);
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mesh->attributes.remove(ATTR_STD_FACE_NORMAL);
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mesh->add_face_normals();
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mesh->add_vertex_normals();
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mesh->attributes.remove(ATTR_STD_FACE_NORMAL);
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/* texture coords still needed */
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}
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static void ExportCurveTriangleGeometry(Mesh *mesh, ParticleCurveData *CData, int resolution)
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{
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int vertexno = mesh->verts.size();
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int vertexindex = vertexno;
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int numverts = 0, numtris = 0;
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|
|
/* 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, Mesh *mesh, ParticleCurveData *CData)
|
|
{
|
|
int num_keys = 0;
|
|
int num_curves = 0;
|
|
|
|
if (mesh->num_curves())
|
|
return;
|
|
|
|
Attribute *attr_intercept = NULL;
|
|
Attribute *attr_random = NULL;
|
|
|
|
if (mesh->need_attribute(scene, ATTR_STD_CURVE_INTERCEPT))
|
|
attr_intercept = mesh->curve_attributes.add(ATTR_STD_CURVE_INTERCEPT);
|
|
if (mesh->need_attribute(scene, ATTR_STD_CURVE_RANDOM))
|
|
attr_random = mesh->curve_attributes.add(ATTR_STD_CURVE_RANDOM);
|
|
|
|
/* 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++) {
|
|
num_keys += CData->curve_keynum[curve];
|
|
num_curves++;
|
|
}
|
|
}
|
|
|
|
if (num_curves > 0) {
|
|
VLOG(1) << "Exporting curve segments for mesh " << mesh->name;
|
|
}
|
|
|
|
mesh->reserve_curves(mesh->num_curves() + num_curves, mesh->curve_keys.size() + num_keys);
|
|
|
|
num_keys = 0;
|
|
num_curves = 0;
|
|
|
|
/* 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++) {
|
|
size_t num_curve_keys = 0;
|
|
|
|
for (int curvekey = CData->curve_firstkey[curve];
|
|
curvekey < CData->curve_firstkey[curve] + CData->curve_keynum[curve];
|
|
curvekey++) {
|
|
const float3 ickey_loc = CData->curvekey_co[curvekey];
|
|
const float curve_time = CData->curvekey_time[curvekey];
|
|
const float curve_length = CData->curve_length[curve];
|
|
const float time = (curve_length > 0.0f) ? curve_time / curve_length : 0.0f;
|
|
float radius = shaperadius(
|
|
CData->psys_shape[sys], CData->psys_rootradius[sys], CData->psys_tipradius[sys], time);
|
|
if (CData->psys_closetip[sys] &&
|
|
(curvekey == CData->curve_firstkey[curve] + CData->curve_keynum[curve] - 1)) {
|
|
radius = 0.0f;
|
|
}
|
|
mesh->add_curve_key(ickey_loc, radius);
|
|
if (attr_intercept)
|
|
attr_intercept->add(time);
|
|
|
|
num_curve_keys++;
|
|
}
|
|
|
|
if (attr_random != NULL) {
|
|
attr_random->add(hash_int_01(num_curves));
|
|
}
|
|
|
|
mesh->add_curve(num_keys, CData->psys_shader[sys]);
|
|
num_keys += num_curve_keys;
|
|
num_curves++;
|
|
}
|
|
}
|
|
|
|
/* check allocation */
|
|
if ((mesh->curve_keys.size() != num_keys) || (mesh->num_curves() != num_curves)) {
|
|
VLOG(1) << "Allocation failed, clearing data";
|
|
mesh->clear();
|
|
}
|
|
}
|
|
|
|
static float4 CurveSegmentMotionCV(ParticleCurveData *CData, int sys, int curve, int curvekey)
|
|
{
|
|
const float3 ickey_loc = CData->curvekey_co[curvekey];
|
|
const float curve_time = CData->curvekey_time[curvekey];
|
|
const float curve_length = CData->curve_length[curve];
|
|
float time = (curve_length > 0.0f) ? curve_time / curve_length : 0.0f;
|
|
float radius = shaperadius(
|
|
CData->psys_shape[sys], CData->psys_rootradius[sys], CData->psys_tipradius[sys], time);
|
|
|
|
if (CData->psys_closetip[sys] &&
|
|
(curvekey == CData->curve_firstkey[curve] + CData->curve_keynum[curve] - 1))
|
|
radius = 0.0f;
|
|
|
|
/* curve motion keys store both position and radius in float4 */
|
|
float4 mP = float3_to_float4(ickey_loc);
|
|
mP.w = radius;
|
|
return mP;
|
|
}
|
|
|
|
static float4 LerpCurveSegmentMotionCV(ParticleCurveData *CData, int sys, int curve, float step)
|
|
{
|
|
assert(step >= 0.0f);
|
|
assert(step <= 1.0f);
|
|
const int first_curve_key = CData->curve_firstkey[curve];
|
|
const float curve_key_f = step * (CData->curve_keynum[curve] - 1);
|
|
int curvekey = (int)floorf(curve_key_f);
|
|
const float remainder = curve_key_f - curvekey;
|
|
if (remainder == 0.0f) {
|
|
return CurveSegmentMotionCV(CData, sys, curve, first_curve_key + curvekey);
|
|
}
|
|
int curvekey2 = curvekey + 1;
|
|
if (curvekey2 >= (CData->curve_keynum[curve] - 1)) {
|
|
curvekey2 = (CData->curve_keynum[curve] - 1);
|
|
curvekey = curvekey2 - 1;
|
|
}
|
|
const float4 mP = CurveSegmentMotionCV(CData, sys, curve, first_curve_key + curvekey);
|
|
const float4 mP2 = CurveSegmentMotionCV(CData, sys, curve, first_curve_key + curvekey2);
|
|
return lerp(mP, mP2, remainder);
|
|
}
|
|
|
|
static void ExportCurveSegmentsMotion(Mesh *mesh, ParticleCurveData *CData, int motion_step)
|
|
{
|
|
VLOG(1) << "Exporting curve motion segments for mesh " << mesh->name << ", motion step "
|
|
<< motion_step;
|
|
|
|
/* find attribute */
|
|
Attribute *attr_mP = mesh->curve_attributes.find(ATTR_STD_MOTION_VERTEX_POSITION);
|
|
bool new_attribute = false;
|
|
|
|
/* add new attribute if it doesn't exist already */
|
|
if (!attr_mP) {
|
|
VLOG(1) << "Creating new motion vertex position attribute";
|
|
attr_mP = mesh->curve_attributes.add(ATTR_STD_MOTION_VERTEX_POSITION);
|
|
new_attribute = true;
|
|
}
|
|
|
|
/* export motion vectors for curve keys */
|
|
size_t numkeys = mesh->curve_keys.size();
|
|
float4 *mP = attr_mP->data_float4() + motion_step * numkeys;
|
|
bool have_motion = false;
|
|
int i = 0;
|
|
int num_curves = 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++) {
|
|
/* Curve lengths may not match! Curves can be clipped. */
|
|
int curve_key_end = (num_curves + 1 < (int)mesh->curve_first_key.size() ?
|
|
mesh->curve_first_key[num_curves + 1] :
|
|
(int)mesh->curve_keys.size());
|
|
const int num_center_curve_keys = curve_key_end - mesh->curve_first_key[num_curves];
|
|
const int is_num_keys_different = CData->curve_keynum[curve] - num_center_curve_keys;
|
|
|
|
if (!is_num_keys_different) {
|
|
for (int curvekey = CData->curve_firstkey[curve];
|
|
curvekey < CData->curve_firstkey[curve] + CData->curve_keynum[curve];
|
|
curvekey++) {
|
|
if (i < mesh->curve_keys.size()) {
|
|
mP[i] = CurveSegmentMotionCV(CData, sys, curve, curvekey);
|
|
if (!have_motion) {
|
|
/* unlike mesh coordinates, these tend to be slightly different
|
|
* between frames due to particle transforms into/out of object
|
|
* space, so we use an epsilon to detect actual changes */
|
|
float4 curve_key = float3_to_float4(mesh->curve_keys[i]);
|
|
curve_key.w = mesh->curve_radius[i];
|
|
if (len_squared(mP[i] - curve_key) > 1e-5f * 1e-5f)
|
|
have_motion = true;
|
|
}
|
|
}
|
|
i++;
|
|
}
|
|
}
|
|
else {
|
|
/* Number of keys has changed. Genereate an interpolated version
|
|
* to preserve motion blur. */
|
|
const float step_size = num_center_curve_keys > 1 ? 1.0f / (num_center_curve_keys - 1) :
|
|
0.0f;
|
|
for (int step_index = 0; step_index < num_center_curve_keys; ++step_index) {
|
|
const float step = step_index * step_size;
|
|
mP[i] = LerpCurveSegmentMotionCV(CData, sys, curve, step);
|
|
i++;
|
|
}
|
|
have_motion = true;
|
|
}
|
|
num_curves++;
|
|
}
|
|
}
|
|
|
|
/* in case of new attribute, we verify if there really was any motion */
|
|
if (new_attribute) {
|
|
if (i != numkeys || !have_motion) {
|
|
/* No motion or hair "topology" changed, remove attributes again. */
|
|
if (i != numkeys) {
|
|
VLOG(1) << "Hair topology changed, removing attribute.";
|
|
}
|
|
else {
|
|
VLOG(1) << "No motion, removing attribute.";
|
|
}
|
|
mesh->curve_attributes.remove(ATTR_STD_MOTION_VERTEX_POSITION);
|
|
}
|
|
else if (motion_step > 0) {
|
|
VLOG(1) << "Filling in new motion vertex position for motion_step " << motion_step;
|
|
/* motion, fill up previous steps that we might have skipped because
|
|
* they had no motion, but we need them anyway now */
|
|
for (int step = 0; step < motion_step; step++) {
|
|
float4 *mP = attr_mP->data_float4() + step * numkeys;
|
|
|
|
for (int key = 0; key < numkeys; key++) {
|
|
mP[key] = float3_to_float4(mesh->curve_keys[key]);
|
|
mP[key].w = mesh->curve_radius[key];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void ExportCurveTriangleUV(ParticleCurveData *CData,
|
|
int vert_offset,
|
|
int resol,
|
|
float2 *uvdata)
|
|
{
|
|
if (uvdata == NULL)
|
|
return;
|
|
int vertexindex = vert_offset;
|
|
|
|
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 vert_offset,
|
|
int resol,
|
|
uchar4 *cdata)
|
|
{
|
|
if (cdata == NULL)
|
|
return;
|
|
|
|
int vertexindex = vert_offset;
|
|
|
|
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()
|
|
{
|
|
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->minimum_width = get_float(csscene, "minimum_width");
|
|
curve_system_manager->maximum_width = get_float(csscene, "maximum_width");
|
|
|
|
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::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))
|
|
curve_system_manager->tag_update(scene);
|
|
}
|
|
|
|
void BlenderSync::sync_curves(
|
|
Mesh *mesh, BL::Mesh &b_mesh, BL::Object &b_ob, bool motion, int motion_step)
|
|
{
|
|
if (!motion) {
|
|
/* Clear stored curve data */
|
|
mesh->curve_keys.clear();
|
|
mesh->curve_radius.clear();
|
|
mesh->curve_first_key.clear();
|
|
mesh->curve_shader.clear();
|
|
mesh->curve_attributes.clear();
|
|
}
|
|
|
|
/* obtain general settings */
|
|
const bool use_curves = scene->curve_system_manager->use_curves;
|
|
|
|
if (!(use_curves && b_ob.mode() != b_ob.mode_PARTICLE_EDIT)) {
|
|
if (!motion)
|
|
mesh->compute_bounds();
|
|
return;
|
|
}
|
|
|
|
const int primitive = scene->curve_system_manager->primitive;
|
|
const int triangle_method = scene->curve_system_manager->triangle_method;
|
|
const int resolution = scene->curve_system_manager->resolution;
|
|
const size_t vert_num = mesh->verts.size();
|
|
const size_t tri_num = mesh->num_triangles();
|
|
int used_res = 1;
|
|
|
|
/* extract particle hair data - should be combined with connecting to mesh later*/
|
|
|
|
ParticleCurveData CData;
|
|
|
|
ObtainCacheParticleData(mesh, &b_mesh, &b_ob, &CData, !preview);
|
|
|
|
/* add hair geometry to mesh */
|
|
if (primitive == CURVE_TRIANGLES) {
|
|
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(mesh, &CData, motion_step);
|
|
else
|
|
ExportCurveSegments(scene, mesh, &CData);
|
|
}
|
|
|
|
/* generated coordinates from first key. we should ideally get this from
|
|
* blender to handle deforming objects */
|
|
if (!motion) {
|
|
if (mesh->need_attribute(scene, ATTR_STD_GENERATED)) {
|
|
float3 loc, size;
|
|
mesh_texture_space(b_mesh, loc, size);
|
|
|
|
if (primitive == CURVE_TRIANGLES) {
|
|
Attribute *attr_generated = mesh->attributes.add(ATTR_STD_GENERATED);
|
|
float3 *generated = attr_generated->data_float3();
|
|
|
|
for (size_t i = vert_num; i < mesh->verts.size(); i++)
|
|
generated[i] = mesh->verts[i] * size - loc;
|
|
}
|
|
else {
|
|
Attribute *attr_generated = mesh->curve_attributes.add(ATTR_STD_GENERATED);
|
|
float3 *generated = attr_generated->data_float3();
|
|
|
|
for (size_t i = 0; i < mesh->num_curves(); i++) {
|
|
float3 co = mesh->curve_keys[mesh->get_curve(i).first_key];
|
|
generated[i] = co * size - loc;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* create vertex color attributes */
|
|
if (!motion) {
|
|
BL::Mesh::vertex_colors_iterator l;
|
|
int vcol_num = 0;
|
|
|
|
for (b_mesh.vertex_colors.begin(l); l != b_mesh.vertex_colors.end(); ++l, vcol_num++) {
|
|
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);
|
|
|
|
uchar4 *cdata = attr_vcol->data_uchar4();
|
|
|
|
ExportCurveTriangleVcol(&CData, tri_num * 3, used_res, cdata);
|
|
}
|
|
else {
|
|
Attribute *attr_vcol = mesh->curve_attributes.add(
|
|
ustring(l->name().c_str()), TypeDesc::TypeColor, ATTR_ELEMENT_CURVE);
|
|
|
|
float3 *fdata = attr_vcol->data_float3();
|
|
|
|
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]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* create UV attributes */
|
|
if (!motion) {
|
|
BL::Mesh::uv_layers_iterator l;
|
|
int uv_num = 0;
|
|
|
|
for (b_mesh.uv_layers.begin(l); l != b_mesh.uv_layers.end(); ++l, uv_num++) {
|
|
bool active_render = l->active_render();
|
|
AttributeStandard std = (active_render) ? ATTR_STD_UV : ATTR_STD_NONE;
|
|
ustring name = ustring(l->name().c_str());
|
|
|
|
/* UV map */
|
|
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);
|
|
else
|
|
attr_uv = mesh->attributes.add(name, TypeFloat2, ATTR_ELEMENT_CORNER);
|
|
|
|
float2 *uv = attr_uv->data_float2();
|
|
|
|
ExportCurveTriangleUV(&CData, tri_num * 3, used_res, uv);
|
|
}
|
|
else {
|
|
if (active_render)
|
|
attr_uv = mesh->curve_attributes.add(std, name);
|
|
else
|
|
attr_uv = mesh->curve_attributes.add(name, TypeFloat2, ATTR_ELEMENT_CURVE);
|
|
|
|
float2 *uv = attr_uv->data_float2();
|
|
|
|
if (uv) {
|
|
size_t i = 0;
|
|
|
|
for (size_t curve = 0; curve < CData.curve_uv.size(); curve++) {
|
|
uv[i++] = CData.curve_uv[curve];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
mesh->compute_bounds();
|
|
}
|
|
|
|
CCL_NAMESPACE_END
|