diff options
Diffstat (limited to 'source/blender/blenkernel/intern/hair.cc')
| -rw-r--r-- | source/blender/blenkernel/intern/hair.cc | 435 |
1 files changed, 0 insertions, 435 deletions
diff --git a/source/blender/blenkernel/intern/hair.cc b/source/blender/blenkernel/intern/hair.cc deleted file mode 100644 index b7ba159f631..00000000000 --- a/source/blender/blenkernel/intern/hair.cc +++ /dev/null @@ -1,435 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - */ - -/** \file - * \ingroup bke - */ - -#include <cmath> -#include <cstring> - -#include "MEM_guardedalloc.h" - -#include "DNA_defaults.h" -#include "DNA_hair_types.h" -#include "DNA_material_types.h" -#include "DNA_object_types.h" - -#include "BLI_listbase.h" -#include "BLI_math_base.h" -#include "BLI_math_vec_types.hh" -#include "BLI_rand.h" -#include "BLI_string.h" -#include "BLI_utildefines.h" - -#include "BKE_anim_data.h" -#include "BKE_customdata.h" -#include "BKE_global.h" -#include "BKE_hair.h" -#include "BKE_idtype.h" -#include "BKE_lib_id.h" -#include "BKE_lib_query.h" -#include "BKE_lib_remap.h" -#include "BKE_main.h" -#include "BKE_modifier.h" -#include "BKE_object.h" - -#include "BLT_translation.h" - -#include "DEG_depsgraph_query.h" - -#include "BLO_read_write.h" - -using blender::float3; - -static const char *HAIR_ATTR_POSITION = "position"; -static const char *HAIR_ATTR_RADIUS = "radius"; - -/* Hair datablock */ - -static void hair_random(Hair *hair); - -static void hair_init_data(ID *id) -{ - Hair *hair = (Hair *)id; - BLI_assert(MEMCMP_STRUCT_AFTER_IS_ZERO(hair, id)); - - MEMCPY_STRUCT_AFTER(hair, DNA_struct_default_get(Hair), id); - - CustomData_reset(&hair->pdata); - CustomData_reset(&hair->cdata); - - CustomData_add_layer_named( - &hair->pdata, CD_PROP_FLOAT3, CD_CALLOC, nullptr, hair->totpoint, HAIR_ATTR_POSITION); - CustomData_add_layer_named( - &hair->pdata, CD_PROP_FLOAT, CD_CALLOC, nullptr, hair->totpoint, HAIR_ATTR_RADIUS); - CustomData_add_layer(&hair->cdata, CD_HAIRCURVE, CD_CALLOC, nullptr, hair->totcurve); - BKE_hair_update_customdata_pointers(hair); - - hair_random(hair); -} - -static void hair_copy_data(Main *UNUSED(bmain), ID *id_dst, const ID *id_src, const int flag) -{ - Hair *hair_dst = (Hair *)id_dst; - const Hair *hair_src = (const Hair *)id_src; - hair_dst->mat = static_cast<Material **>(MEM_dupallocN(hair_src->mat)); - - const eCDAllocType alloc_type = (flag & LIB_ID_COPY_CD_REFERENCE) ? CD_REFERENCE : CD_DUPLICATE; - CustomData_copy(&hair_src->pdata, &hair_dst->pdata, CD_MASK_ALL, alloc_type, hair_dst->totpoint); - CustomData_copy(&hair_src->cdata, &hair_dst->cdata, CD_MASK_ALL, alloc_type, hair_dst->totcurve); - BKE_hair_update_customdata_pointers(hair_dst); - - hair_dst->batch_cache = nullptr; -} - -static void hair_free_data(ID *id) -{ - Hair *hair = (Hair *)id; - BKE_animdata_free(&hair->id, false); - - BKE_hair_batch_cache_free(hair); - - CustomData_free(&hair->pdata, hair->totpoint); - CustomData_free(&hair->cdata, hair->totcurve); - - MEM_SAFE_FREE(hair->mat); -} - -static void hair_foreach_id(ID *id, LibraryForeachIDData *data) -{ - Hair *hair = (Hair *)id; - for (int i = 0; i < hair->totcol; i++) { - BKE_LIB_FOREACHID_PROCESS_IDSUPER(data, hair->mat[i], IDWALK_CB_USER); - } -} - -static void hair_blend_write(BlendWriter *writer, ID *id, const void *id_address) -{ - Hair *hair = (Hair *)id; - - CustomDataLayer *players = nullptr, players_buff[CD_TEMP_CHUNK_SIZE]; - CustomDataLayer *clayers = nullptr, clayers_buff[CD_TEMP_CHUNK_SIZE]; - CustomData_blend_write_prepare(&hair->pdata, &players, players_buff, ARRAY_SIZE(players_buff)); - CustomData_blend_write_prepare(&hair->cdata, &clayers, clayers_buff, ARRAY_SIZE(clayers_buff)); - - /* Write LibData */ - BLO_write_id_struct(writer, Hair, id_address, &hair->id); - BKE_id_blend_write(writer, &hair->id); - - /* Direct data */ - CustomData_blend_write(writer, &hair->pdata, players, hair->totpoint, CD_MASK_ALL, &hair->id); - CustomData_blend_write(writer, &hair->cdata, clayers, hair->totcurve, CD_MASK_ALL, &hair->id); - - BLO_write_pointer_array(writer, hair->totcol, hair->mat); - if (hair->adt) { - BKE_animdata_blend_write(writer, hair->adt); - } - - /* Remove temporary data. */ - if (players && players != players_buff) { - MEM_freeN(players); - } - if (clayers && clayers != clayers_buff) { - MEM_freeN(clayers); - } -} - -static void hair_blend_read_data(BlendDataReader *reader, ID *id) -{ - Hair *hair = (Hair *)id; - BLO_read_data_address(reader, &hair->adt); - BKE_animdata_blend_read_data(reader, hair->adt); - - /* Geometry */ - CustomData_blend_read(reader, &hair->pdata, hair->totpoint); - CustomData_blend_read(reader, &hair->cdata, hair->totcurve); - BKE_hair_update_customdata_pointers(hair); - - /* Materials */ - BLO_read_pointer_array(reader, (void **)&hair->mat); -} - -static void hair_blend_read_lib(BlendLibReader *reader, ID *id) -{ - Hair *hair = (Hair *)id; - for (int a = 0; a < hair->totcol; a++) { - BLO_read_id_address(reader, hair->id.lib, &hair->mat[a]); - } -} - -static void hair_blend_read_expand(BlendExpander *expander, ID *id) -{ - Hair *hair = (Hair *)id; - for (int a = 0; a < hair->totcol; a++) { - BLO_expand(expander, hair->mat[a]); - } -} - -IDTypeInfo IDType_ID_HA = { - /*id_code */ ID_HA, - /*id_filter */ FILTER_ID_HA, - /*main_listbase_index */ INDEX_ID_HA, - /*struct_size */ sizeof(Hair), - /*name */ "Hair", - /*name_plural */ "hairs", - /*translation_context */ BLT_I18NCONTEXT_ID_HAIR, - /*flags */ IDTYPE_FLAGS_APPEND_IS_REUSABLE, - /*asset_type_info */ nullptr, - - /*init_data */ hair_init_data, - /*copy_data */ hair_copy_data, - /*free_data */ hair_free_data, - /*make_local */ nullptr, - /*foreach_id */ hair_foreach_id, - /*foreach_cache */ nullptr, - /*foreach_path */ nullptr, - /*owner_get */ nullptr, - - /*blend_write */ hair_blend_write, - /*blend_read_data */ hair_blend_read_data, - /*blend_read_lib */ hair_blend_read_lib, - /*blend_read_expand */ hair_blend_read_expand, - - /*blend_read_undo_preserve */ nullptr, - - /*lib_override_apply_post */ nullptr, -}; - -static void hair_random(Hair *hair) -{ - const int numpoints = 8; - - hair->totcurve = 500; - hair->totpoint = hair->totcurve * numpoints; - - CustomData_realloc(&hair->pdata, hair->totpoint); - CustomData_realloc(&hair->cdata, hair->totcurve); - BKE_hair_update_customdata_pointers(hair); - - RNG *rng = BLI_rng_new(0); - - for (int i = 0; i < hair->totcurve; i++) { - HairCurve *curve = &hair->curves[i]; - curve->firstpoint = i * numpoints; - curve->numpoints = numpoints; - - float theta = 2.0f * M_PI * BLI_rng_get_float(rng); - float phi = saacosf(2.0f * BLI_rng_get_float(rng) - 1.0f); - - float no[3] = {sinf(theta) * sinf(phi), cosf(theta) * sinf(phi), cosf(phi)}; - normalize_v3(no); - - float co[3]; - copy_v3_v3(co, no); - - float(*curve_co)[3] = hair->co + curve->firstpoint; - float *curve_radius = hair->radius + curve->firstpoint; - for (int key = 0; key < numpoints; key++) { - float t = key / (float)(numpoints - 1); - copy_v3_v3(curve_co[key], co); - curve_radius[key] = 0.02f * (1.0f - t); - - float offset[3] = {2.0f * BLI_rng_get_float(rng) - 1.0f, - 2.0f * BLI_rng_get_float(rng) - 1.0f, - 2.0f * BLI_rng_get_float(rng) - 1.0f}; - add_v3_v3(offset, no); - madd_v3_v3fl(co, offset, 1.0f / numpoints); - } - } - - BLI_rng_free(rng); -} - -void *BKE_hair_add(Main *bmain, const char *name) -{ - Hair *hair = static_cast<Hair *>(BKE_id_new(bmain, ID_HA, name)); - - return hair; -} - -BoundBox *BKE_hair_boundbox_get(Object *ob) -{ - BLI_assert(ob->type == OB_HAIR); - Hair *hair = static_cast<Hair *>(ob->data); - - if (ob->runtime.bb != nullptr && (ob->runtime.bb->flag & BOUNDBOX_DIRTY) == 0) { - return ob->runtime.bb; - } - - if (ob->runtime.bb == nullptr) { - ob->runtime.bb = MEM_cnew<BoundBox>(__func__); - - float min[3], max[3]; - INIT_MINMAX(min, max); - - float(*hair_co)[3] = hair->co; - float *hair_radius = hair->radius; - for (int a = 0; a < hair->totpoint; a++) { - float *co = hair_co[a]; - float radius = (hair_radius) ? hair_radius[a] : 0.0f; - const float co_min[3] = {co[0] - radius, co[1] - radius, co[2] - radius}; - const float co_max[3] = {co[0] + radius, co[1] + radius, co[2] + radius}; - DO_MIN(co_min, min); - DO_MAX(co_max, max); - } - - BKE_boundbox_init_from_minmax(ob->runtime.bb, min, max); - } - - return ob->runtime.bb; -} - -void BKE_hair_update_customdata_pointers(Hair *hair) -{ - hair->co = (float(*)[3])CustomData_get_layer_named( - &hair->pdata, CD_PROP_FLOAT3, HAIR_ATTR_POSITION); - hair->radius = (float *)CustomData_get_layer_named( - &hair->pdata, CD_PROP_FLOAT, HAIR_ATTR_RADIUS); - hair->curves = (HairCurve *)CustomData_get_layer(&hair->cdata, CD_HAIRCURVE); - hair->mapping = (HairMaping *)CustomData_get_layer(&hair->cdata, CD_HAIRMAPPING); -} - -bool BKE_hair_customdata_required(Hair *UNUSED(hair), CustomDataLayer *layer) -{ - return layer->type == CD_PROP_FLOAT3 && STREQ(layer->name, HAIR_ATTR_POSITION); -} - -/* Dependency Graph */ - -Hair *BKE_hair_new_for_eval(const Hair *hair_src, int totpoint, int totcurve) -{ - Hair *hair_dst = static_cast<Hair *>(BKE_id_new_nomain(ID_HA, nullptr)); - - STRNCPY(hair_dst->id.name, hair_src->id.name); - hair_dst->mat = static_cast<Material **>(MEM_dupallocN(hair_src->mat)); - hair_dst->totcol = hair_src->totcol; - - hair_dst->totpoint = totpoint; - hair_dst->totcurve = totcurve; - CustomData_copy(&hair_src->pdata, &hair_dst->pdata, CD_MASK_ALL, CD_CALLOC, totpoint); - CustomData_copy(&hair_src->cdata, &hair_dst->cdata, CD_MASK_ALL, CD_CALLOC, totcurve); - BKE_hair_update_customdata_pointers(hair_dst); - - return hair_dst; -} - -Hair *BKE_hair_copy_for_eval(Hair *hair_src, bool reference) -{ - int flags = LIB_ID_COPY_LOCALIZE; - - if (reference) { - flags |= LIB_ID_COPY_CD_REFERENCE; - } - - Hair *result = (Hair *)BKE_id_copy_ex(nullptr, &hair_src->id, nullptr, flags); - return result; -} - -static Hair *hair_evaluate_modifiers(struct Depsgraph *depsgraph, - struct Scene *scene, - Object *object, - Hair *hair_input) -{ - Hair *hair = hair_input; - - /* Modifier evaluation modes. */ - const bool use_render = (DEG_get_mode(depsgraph) == DAG_EVAL_RENDER); - const int required_mode = use_render ? eModifierMode_Render : eModifierMode_Realtime; - ModifierApplyFlag apply_flag = use_render ? MOD_APPLY_RENDER : MOD_APPLY_USECACHE; - const ModifierEvalContext mectx = {depsgraph, object, apply_flag}; - - /* Get effective list of modifiers to execute. Some effects like shape keys - * are added as virtual modifiers before the user created modifiers. */ - VirtualModifierData virtualModifierData; - ModifierData *md = BKE_modifiers_get_virtual_modifierlist(object, &virtualModifierData); - - /* Evaluate modifiers. */ - for (; md; md = md->next) { - const ModifierTypeInfo *mti = BKE_modifier_get_info(static_cast<ModifierType>(md->type)); - - if (!BKE_modifier_is_enabled(scene, md, required_mode)) { - continue; - } - - if ((mti->type == eModifierTypeType_OnlyDeform) && - (mti->flags & eModifierTypeFlag_AcceptsVertexCosOnly)) { - /* Ensure we are not modifying the input. */ - if (hair == hair_input) { - hair = BKE_hair_copy_for_eval(hair, true); - } - - /* Ensure we are not overwriting referenced data. */ - CustomData_duplicate_referenced_layer_named( - &hair->pdata, CD_PROP_FLOAT3, HAIR_ATTR_POSITION, hair->totpoint); - BKE_hair_update_customdata_pointers(hair); - - /* Created deformed coordinates array on demand. */ - mti->deformVerts(md, &mectx, nullptr, hair->co, hair->totpoint); - } - else if (mti->modifyHair) { - /* Ensure we are not modifying the input. */ - if (hair == hair_input) { - hair = BKE_hair_copy_for_eval(hair, true); - } - - Hair *hair_next = mti->modifyHair(md, &mectx, hair); - - if (hair_next && hair_next != hair) { - /* If the modifier returned a new hair, release the old one. */ - if (hair != hair_input) { - BKE_id_free(nullptr, hair); - } - hair = hair_next; - } - } - } - - return hair; -} - -void BKE_hair_data_update(struct Depsgraph *depsgraph, struct Scene *scene, Object *object) -{ - /* Free any evaluated data and restore original data. */ - BKE_object_free_derived_caches(object); - - /* Evaluate modifiers. */ - Hair *hair = static_cast<Hair *>(object->data); - Hair *hair_eval = hair_evaluate_modifiers(depsgraph, scene, object, hair); - - /* Assign evaluated object. */ - const bool is_owned = (hair != hair_eval); - BKE_object_eval_assign_data(object, &hair_eval->id, is_owned); -} - -/* Draw Cache */ - -void (*BKE_hair_batch_cache_dirty_tag_cb)(Hair *hair, int mode) = nullptr; -void (*BKE_hair_batch_cache_free_cb)(Hair *hair) = nullptr; - -void BKE_hair_batch_cache_dirty_tag(Hair *hair, int mode) -{ - if (hair->batch_cache) { - BKE_hair_batch_cache_dirty_tag_cb(hair, mode); - } -} - -void BKE_hair_batch_cache_free(Hair *hair) -{ - if (hair->batch_cache) { - BKE_hair_batch_cache_free_cb(hair); - } -} |