222 lines
6.1 KiB
C++
222 lines
6.1 KiB
C++
/* SPDX-FileCopyrightText: 2001-2002 NaN Holding BV. All rights reserved.
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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/** \file
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* \ingroup bke
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*/
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#include <cmath>
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#include <cstdlib>
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#include <cstring>
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#include "MEM_guardedalloc.h"
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/* Allow using deprecated functionality for .blend file I/O. */
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#define DNA_DEPRECATED_ALLOW
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#include "DNA_defaults.h"
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#include "DNA_scene_types.h"
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#include "DNA_texture_types.h"
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#include "DNA_world_types.h"
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#include "BLI_listbase.h"
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#include "BLI_utildefines.h"
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#include "BKE_anim_data.h"
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#include "BKE_icons.h"
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#include "BKE_idtype.h"
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#include "BKE_lib_id.h"
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#include "BKE_lib_query.h"
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#include "BKE_main.h"
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#include "BKE_node.h"
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#include "BKE_preview_image.hh"
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#include "BKE_world.h"
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#include "BLT_translation.h"
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#include "DRW_engine.h"
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#include "DEG_depsgraph.hh"
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#include "GPU_material.h"
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#include "BLO_read_write.hh"
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/** Free (or release) any data used by this world (does not free the world itself). */
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static void world_free_data(ID *id)
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{
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World *wrld = (World *)id;
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DRW_drawdata_free(id);
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/* is no lib link block, but world extension */
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if (wrld->nodetree) {
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ntreeFreeEmbeddedTree(wrld->nodetree);
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MEM_freeN(wrld->nodetree);
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wrld->nodetree = nullptr;
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}
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GPU_material_free(&wrld->gpumaterial);
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BKE_icon_id_delete((ID *)wrld);
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BKE_previewimg_free(&wrld->preview);
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MEM_SAFE_FREE(wrld->lightgroup);
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}
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static void world_init_data(ID *id)
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{
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World *wrld = (World *)id;
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BLI_assert(MEMCMP_STRUCT_AFTER_IS_ZERO(wrld, id));
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MEMCPY_STRUCT_AFTER(wrld, DNA_struct_default_get(World), id);
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}
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/**
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* Only copy internal data of World ID from source
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* to already allocated/initialized destination.
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* You probably never want to use that directly,
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* use #BKE_id_copy or #BKE_id_copy_ex for typical needs.
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*
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* WARNING! This function will not handle ID user count!
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*
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* \param flag: Copying options (see BKE_lib_id.h's LIB_ID_COPY_... flags for more).
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*/
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static void world_copy_data(Main *bmain, ID *id_dst, const ID *id_src, const int flag)
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{
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World *wrld_dst = (World *)id_dst;
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const World *wrld_src = (const World *)id_src;
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const bool is_localized = (flag & LIB_ID_CREATE_LOCAL) != 0;
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/* We always need allocation of our private ID data. */
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const int flag_private_id_data = flag & ~LIB_ID_CREATE_NO_ALLOCATE;
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if (wrld_src->nodetree) {
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if (is_localized) {
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wrld_dst->nodetree = ntreeLocalize(wrld_src->nodetree);
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}
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else {
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BKE_id_copy_ex(
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bmain, (ID *)wrld_src->nodetree, (ID **)&wrld_dst->nodetree, flag_private_id_data);
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}
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wrld_dst->nodetree->owner_id = &wrld_dst->id;
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}
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BLI_listbase_clear(&wrld_dst->gpumaterial);
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BLI_listbase_clear((ListBase *)&wrld_dst->drawdata);
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if ((flag & LIB_ID_COPY_NO_PREVIEW) == 0) {
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BKE_previewimg_id_copy(&wrld_dst->id, &wrld_src->id);
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}
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else {
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wrld_dst->preview = nullptr;
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}
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if (wrld_src->lightgroup) {
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wrld_dst->lightgroup = (LightgroupMembership *)MEM_dupallocN(wrld_src->lightgroup);
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}
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}
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static void world_foreach_id(ID *id, LibraryForeachIDData *data)
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{
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World *world = reinterpret_cast<World *>(id);
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const int flag = BKE_lib_query_foreachid_process_flags_get(data);
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if (world->nodetree) {
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/* nodetree **are owned by IDs**, treat them as mere sub-data and not real ID! */
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BKE_LIB_FOREACHID_PROCESS_FUNCTION_CALL(
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data, BKE_library_foreach_ID_embedded(data, (ID **)&world->nodetree));
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}
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if (flag & IDWALK_DO_DEPRECATED_POINTERS) {
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BKE_LIB_FOREACHID_PROCESS_ID_NOCHECK(data, world->ipo, IDWALK_CB_USER);
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}
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}
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static void world_blend_write(BlendWriter *writer, ID *id, const void *id_address)
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{
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World *wrld = (World *)id;
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/* Clean up, important in undo case to reduce false detection of changed datablocks. */
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BLI_listbase_clear(&wrld->gpumaterial);
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/* write LibData */
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BLO_write_id_struct(writer, World, id_address, &wrld->id);
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BKE_id_blend_write(writer, &wrld->id);
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/* nodetree is integral part of world, no libdata */
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if (wrld->nodetree) {
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BLO_Write_IDBuffer *temp_embedded_id_buffer = BLO_write_allocate_id_buffer();
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BLO_write_init_id_buffer_from_id(
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temp_embedded_id_buffer, &wrld->nodetree->id, BLO_write_is_undo(writer));
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BLO_write_struct_at_address(writer,
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bNodeTree,
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wrld->nodetree,
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BLO_write_get_id_buffer_temp_id(temp_embedded_id_buffer));
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ntreeBlendWrite(writer, (bNodeTree *)BLO_write_get_id_buffer_temp_id(temp_embedded_id_buffer));
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BLO_write_destroy_id_buffer(&temp_embedded_id_buffer);
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}
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BKE_previewimg_blend_write(writer, wrld->preview);
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if (wrld->lightgroup) {
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BLO_write_struct(writer, LightgroupMembership, wrld->lightgroup);
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}
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}
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static void world_blend_read_data(BlendDataReader *reader, ID *id)
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{
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World *wrld = (World *)id;
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BLO_read_data_address(reader, &wrld->preview);
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BKE_previewimg_blend_read(reader, wrld->preview);
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BLI_listbase_clear(&wrld->gpumaterial);
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BLO_read_data_address(reader, &wrld->lightgroup);
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}
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IDTypeInfo IDType_ID_WO = {
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/*id_code*/ ID_WO,
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/*id_filter*/ FILTER_ID_WO,
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/*main_listbase_index*/ INDEX_ID_WO,
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/*struct_size*/ sizeof(World),
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/*name*/ "World",
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/*name_plural*/ N_("worlds"),
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/*translation_context*/ BLT_I18NCONTEXT_ID_WORLD,
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/*flags*/ IDTYPE_FLAGS_APPEND_IS_REUSABLE,
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/*asset_type_info*/ nullptr,
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/*init_data*/ world_init_data,
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/*copy_data*/ world_copy_data,
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/*free_data*/ world_free_data,
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/*make_local*/ nullptr,
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/*foreach_id*/ world_foreach_id,
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/*foreach_cache*/ nullptr,
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/*foreach_path*/ nullptr,
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/*owner_pointer_get*/ nullptr,
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/*blend_write*/ world_blend_write,
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/*blend_read_data*/ world_blend_read_data,
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/*blend_read_after_liblink*/ nullptr,
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/*blend_read_undo_preserve*/ nullptr,
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/*lib_override_apply_post*/ nullptr,
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};
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World *BKE_world_add(Main *bmain, const char *name)
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{
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World *wrld;
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wrld = static_cast<World *>(BKE_id_new(bmain, ID_WO, name));
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return wrld;
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}
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void BKE_world_eval(Depsgraph *depsgraph, World *world)
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{
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DEG_debug_print_eval(depsgraph, __func__, world->id.name, world);
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GPU_material_free(&world->gpumaterial);
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}
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