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-rw-r--r--source/blender/modifiers/CMakeLists.txt8
-rw-r--r--source/blender/modifiers/MOD_modifiertypes.h1
-rw-r--r--source/blender/modifiers/intern/MOD_meshsequencecache.c197
-rw-r--r--source/blender/modifiers/intern/MOD_util.c1
4 files changed, 207 insertions, 0 deletions
diff --git a/source/blender/modifiers/CMakeLists.txt b/source/blender/modifiers/CMakeLists.txt
index 0de7676e8f8..b8ebb375a48 100644
--- a/source/blender/modifiers/CMakeLists.txt
+++ b/source/blender/modifiers/CMakeLists.txt
@@ -73,6 +73,7 @@ set(SRC
intern/MOD_meshcache_pc2.c
intern/MOD_meshcache_util.c
intern/MOD_meshdeform.c
+ intern/MOD_meshsequencecache.c
intern/MOD_mirror.c
intern/MOD_multires.c
intern/MOD_none.c
@@ -112,6 +113,13 @@ set(SRC
intern/MOD_weightvg_util.h
)
+if(WITH_ALEMBIC)
+ add_definitions(-DWITH_ALEMBIC)
+ list(APPEND INC
+ ../alembic
+ )
+endif()
+
if(WITH_MOD_BOOLEAN)
add_definitions(-DWITH_MOD_BOOLEAN)
list(APPEND SRC
diff --git a/source/blender/modifiers/MOD_modifiertypes.h b/source/blender/modifiers/MOD_modifiertypes.h
index a5d96759952..4c881445893 100644
--- a/source/blender/modifiers/MOD_modifiertypes.h
+++ b/source/blender/modifiers/MOD_modifiertypes.h
@@ -84,6 +84,7 @@ extern ModifierTypeInfo modifierType_Wireframe;
extern ModifierTypeInfo modifierType_DataTransfer;
extern ModifierTypeInfo modifierType_NormalEdit;
extern ModifierTypeInfo modifierType_CorrectiveSmooth;
+extern ModifierTypeInfo modifierType_MeshSequenceCache;
/* MOD_util.c */
void modifier_type_init(ModifierTypeInfo *types[]);
diff --git a/source/blender/modifiers/intern/MOD_meshsequencecache.c b/source/blender/modifiers/intern/MOD_meshsequencecache.c
new file mode 100644
index 00000000000..355ac9563dd
--- /dev/null
+++ b/source/blender/modifiers/intern/MOD_meshsequencecache.c
@@ -0,0 +1,197 @@
+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * 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.
+ *
+ * Contributor(s): Campbell Barton
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+/** \file blender/modifiers/intern/MOD_meshsequencecache.c
+ * \ingroup modifiers
+ */
+
+#include "DNA_cachefile_types.h"
+#include "DNA_modifier_types.h"
+#include "DNA_object_types.h"
+#include "DNA_scene_types.h"
+
+#include "BKE_cachefile.h"
+#include "BKE_DerivedMesh.h"
+#include "BKE_global.h"
+#include "BKE_library.h"
+#include "BKE_library_query.h"
+#include "BKE_scene.h"
+
+#include "depsgraph_private.h"
+#include "DEG_depsgraph_build.h"
+
+#include "MOD_modifiertypes.h"
+
+#ifdef WITH_ALEMBIC
+# include "ABC_alembic.h"
+#endif
+
+static void initData(ModifierData *md)
+{
+ MeshSeqCacheModifierData *mcmd = (MeshSeqCacheModifierData *)md;
+
+ mcmd->cache_file = NULL;
+ mcmd->object_path[0] = '\0';
+ mcmd->read_flag = MOD_MESHSEQ_READ_ALL;
+}
+
+static void copyData(ModifierData *md, ModifierData *target)
+{
+#if 0
+ MeshSeqCacheModifierData *mcmd = (MeshSeqCacheModifierData *)md;
+#endif
+ MeshSeqCacheModifierData *tmcmd = (MeshSeqCacheModifierData *)target;
+
+ modifier_copyData_generic(md, target);
+
+ if (tmcmd->cache_file) {
+ id_us_plus(&tmcmd->cache_file->id);
+ }
+}
+
+static void freeData(ModifierData *md)
+{
+ MeshSeqCacheModifierData *mcmd = (MeshSeqCacheModifierData *) md;
+
+ if (mcmd->cache_file) {
+ id_us_min(&mcmd->cache_file->id);
+ }
+}
+
+static bool isDisabled(ModifierData *md, int UNUSED(useRenderParams))
+{
+ MeshSeqCacheModifierData *mcmd = (MeshSeqCacheModifierData *) md;
+
+ /* leave it up to the modifier to check the file is valid on calculation */
+ return (mcmd->cache_file == NULL) || (mcmd->object_path[0] == '\0');
+}
+
+static DerivedMesh *applyModifier(ModifierData *md, Object *ob,
+ DerivedMesh *dm,
+ ModifierApplyFlag flag)
+{
+#ifdef WITH_ALEMBIC
+ MeshSeqCacheModifierData *mcmd = (MeshSeqCacheModifierData *) md;
+
+ Scene *scene = md->scene;
+ const float frame = BKE_scene_frame_get(scene);
+ const float time = BKE_cachefile_time_offset(mcmd->cache_file, frame, FPS);
+
+ const char *err_str = NULL;
+
+ CacheFile *cache_file = mcmd->cache_file;
+
+ BKE_cachefile_ensure_handle(G.main, cache_file);
+
+ DerivedMesh *result = ABC_read_mesh(cache_file->handle,
+ ob,
+ dm,
+ mcmd->object_path,
+ time,
+ &err_str,
+ mcmd->read_flag);
+
+ if (err_str) {
+ modifier_setError(md, "%s", err_str);
+ }
+
+ return result ? result : dm;
+ UNUSED_VARS(flag);
+#else
+ return dm;
+ UNUSED_VARS(md, ob, flag);
+#endif
+}
+
+static bool dependsOnTime(ModifierData *md)
+{
+ UNUSED_VARS(md);
+ return true;
+}
+
+static void foreachIDLink(ModifierData *md, Object *ob,
+ IDWalkFunc walk, void *userData)
+{
+ MeshSeqCacheModifierData *mcmd = (MeshSeqCacheModifierData *) md;
+
+ walk(userData, ob, (ID **)&mcmd->cache_file, IDWALK_USER);
+}
+
+
+static void updateDepgraph(ModifierData *md, DagForest *forest,
+ struct Main *bmain,
+ struct Scene *scene,
+ Object *ob, DagNode *obNode)
+{
+ MeshSeqCacheModifierData *mcmd = (MeshSeqCacheModifierData *) md;
+
+ if (mcmd->cache_file != NULL) {
+ DagNode *curNode = dag_get_node(forest, mcmd->cache_file);
+
+ dag_add_relation(forest, curNode, obNode,
+ DAG_RL_DATA_DATA | DAG_RL_OB_DATA, "Cache File Modifier");
+ }
+
+ UNUSED_VARS(bmain, scene, ob);
+}
+
+static void updateDepsgraph(ModifierData *md,
+ struct Main *bmain,
+ struct Scene *scene,
+ Object *ob,
+ struct DepsNodeHandle *node)
+{
+ MeshSeqCacheModifierData *mcmd = (MeshSeqCacheModifierData *) md;
+
+ if (mcmd->cache_file != NULL) {
+ DEG_add_object_cache_relation(node, mcmd->cache_file, DEG_OB_COMP_CACHE, "Mesh Cache File");
+ }
+
+ UNUSED_VARS(bmain, scene, ob);
+}
+
+ModifierTypeInfo modifierType_MeshSequenceCache = {
+ /* name */ "Mesh Sequence Cache",
+ /* structName */ "MeshSeqCacheModifierData",
+ /* structSize */ sizeof(MeshSeqCacheModifierData),
+ /* type */ eModifierTypeType_Constructive,
+ /* flags */ eModifierTypeFlag_AcceptsMesh |
+ eModifierTypeFlag_AcceptsCVs,
+ /* copyData */ copyData,
+ /* deformVerts */ NULL,
+ /* deformMatrices */ NULL,
+ /* deformVertsEM */ NULL,
+ /* deformMatricesEM */ NULL,
+ /* applyModifier */ applyModifier,
+ /* applyModifierEM */ NULL,
+ /* initData */ initData,
+ /* requiredDataMask */ NULL,
+ /* freeData */ freeData,
+ /* isDisabled */ isDisabled,
+ /* updateDepgraph */ updateDepgraph,
+ /* updateDepsgraph */ updateDepsgraph,
+ /* dependsOnTime */ dependsOnTime,
+ /* dependsOnNormals */ NULL,
+ /* foreachObjectLink */ NULL,
+ /* foreachIDLink */ foreachIDLink,
+ /* foreachTexLink */ NULL,
+};
diff --git a/source/blender/modifiers/intern/MOD_util.c b/source/blender/modifiers/intern/MOD_util.c
index f9291fb077f..93414562ccf 100644
--- a/source/blender/modifiers/intern/MOD_util.c
+++ b/source/blender/modifiers/intern/MOD_util.c
@@ -286,5 +286,6 @@ void modifier_type_init(ModifierTypeInfo *types[])
INIT_TYPE(DataTransfer);
INIT_TYPE(NormalEdit);
INIT_TYPE(CorrectiveSmooth);
+ INIT_TYPE(MeshSequenceCache);
#undef INIT_TYPE
}
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