diff options
Diffstat (limited to 'source/blender/blenkernel/intern/constraint.c')
| -rw-r--r-- | source/blender/blenkernel/intern/constraint.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/source/blender/blenkernel/intern/constraint.c b/source/blender/blenkernel/intern/constraint.c index 4c9ddd495e3..70fdd4aa72e 100644 --- a/source/blender/blenkernel/intern/constraint.c +++ b/source/blender/blenkernel/intern/constraint.c @@ -46,6 +46,7 @@ #include "BLT_translation.h" #include "DNA_armature_types.h" +#include "DNA_cachefile_types.h" #include "DNA_constraint_types.h" #include "DNA_modifier_types.h" #include "DNA_object_types.h" @@ -63,6 +64,7 @@ #include "BKE_anim.h" /* for the curve calculation part */ #include "BKE_armature.h" #include "BKE_bvhutils.h" +#include "BKE_cachefile.h" #include "BKE_camera.h" #include "BKE_constraint.h" #include "BKE_curve.h" @@ -86,6 +88,10 @@ # include "BPY_extern.h" #endif +#ifdef WITH_ALEMBIC +# include "ABC_alembic.h" +#endif + /* ---------------------------------------------------------------------------- */ /* Useful macros for testing various common flag combinations */ @@ -4333,6 +4339,73 @@ static bConstraintTypeInfo CTI_OBJECTSOLVER = { objectsolver_evaluate /* evaluate */ }; +/* ----------- Transform Cache ------------- */ + +static void transformcache_id_looper(bConstraint *con, ConstraintIDFunc func, void *userdata) +{ + bTransformCacheConstraint *data = con->data; + func(con, (ID **)&data->cache_file, false, userdata); +} + +static void transformcache_evaluate(bConstraint *con, bConstraintOb *cob, ListBase *targets) +{ +#ifdef WITH_ALEMBIC + bTransformCacheConstraint *data = con->data; + Scene *scene = cob->scene; + + const float frame = BKE_scene_frame_get(scene); + const float time = BKE_cachefile_time_offset(data->cache_file, frame, FPS); + + CacheFile *cache_file = data->cache_file; + + BKE_cachefile_ensure_handle(G.main, cache_file); + + ABC_get_transform(cache_file->handle, cob->ob, data->object_path, + cob->matrix, time, cache_file->scale); +#else + UNUSED_VARS(con, cob); +#endif + + UNUSED_VARS(targets); +} + +static void transformcache_copy(bConstraint *con, bConstraint *srccon) +{ + bTransformCacheConstraint *src = srccon->data; + bTransformCacheConstraint *dst = con->data; + + BLI_strncpy(dst->object_path, src->object_path, sizeof(dst->object_path)); + dst->cache_file = src->cache_file; + + if (dst->cache_file) { + id_us_plus(&dst->cache_file->id); + } +} + +static void transformcache_free(bConstraint *con) +{ + bTransformCacheConstraint *data = con->data; + + if (data->cache_file) { + id_us_min(&data->cache_file->id); + } +} + +static bConstraintTypeInfo CTI_TRANSFORM_CACHE = { + CONSTRAINT_TYPE_TRANSFORM_CACHE, /* type */ + sizeof(bTransformCacheConstraint), /* size */ + "Transform Cache", /* name */ + "bTransformCacheConstraint", /* struct name */ + transformcache_free, /* free data */ + transformcache_id_looper, /* id looper */ + transformcache_copy, /* copy data */ + NULL, /* new data */ + NULL, /* get constraint targets */ + NULL, /* flush constraint targets */ + NULL, /* get target matrix */ + transformcache_evaluate /* evaluate */ +}; + /* ************************* Constraints Type-Info *************************** */ /* All of the constraints api functions use bConstraintTypeInfo structs to carry out * and operations that involve constraint specific code. @@ -4374,6 +4447,7 @@ static void constraints_init_typeinfo(void) constraintsTypeInfo[26] = &CTI_FOLLOWTRACK; /* Follow Track Constraint */ constraintsTypeInfo[27] = &CTI_CAMERASOLVER; /* Camera Solver Constraint */ constraintsTypeInfo[28] = &CTI_OBJECTSOLVER; /* Object Solver Constraint */ + constraintsTypeInfo[29] = &CTI_TRANSFORM_CACHE; /* Transform Cache Constraint */ } /* This function should be used for getting the appropriate type-info when only |