diff options
Diffstat (limited to 'source/blender/io/alembic/intern/abc_util.cc')
-rw-r--r-- | source/blender/io/alembic/intern/abc_util.cc | 141 |
1 files changed, 1 insertions, 140 deletions
diff --git a/source/blender/io/alembic/intern/abc_util.cc b/source/blender/io/alembic/intern/abc_util.cc index b26ef8b3b76..1f3bd2a1aaa 100644 --- a/source/blender/io/alembic/intern/abc_util.cc +++ b/source/blender/io/alembic/intern/abc_util.cc @@ -20,6 +20,7 @@ #include "abc_util.h" +#include "abc_axis_conversion.h" #include "abc_reader_camera.h" #include "abc_reader_curves.h" #include "abc_reader_mesh.h" @@ -31,13 +32,11 @@ #include <algorithm> -extern "C" { #include "DNA_object_types.h" #include "BLI_math_geom.h" #include "PIL_time.h" -} std::string get_id_name(const Object *const ob) { @@ -121,144 +120,6 @@ void split(const std::string &s, const char delim, std::vector<std::string> &tok } } -void create_swapped_rotation_matrix(float rot_x_mat[3][3], - float rot_y_mat[3][3], - float rot_z_mat[3][3], - const float euler[3], - AbcAxisSwapMode mode) -{ - const float rx = euler[0]; - float ry; - float rz; - - /* Apply transformation */ - switch (mode) { - case ABC_ZUP_FROM_YUP: - ry = -euler[2]; - rz = euler[1]; - break; - case ABC_YUP_FROM_ZUP: - ry = euler[2]; - rz = -euler[1]; - break; - default: - ry = 0.0f; - rz = 0.0f; - BLI_assert(false); - break; - } - - unit_m3(rot_x_mat); - unit_m3(rot_y_mat); - unit_m3(rot_z_mat); - - rot_x_mat[1][1] = cos(rx); - rot_x_mat[2][1] = -sin(rx); - rot_x_mat[1][2] = sin(rx); - rot_x_mat[2][2] = cos(rx); - - rot_y_mat[2][2] = cos(ry); - rot_y_mat[0][2] = -sin(ry); - rot_y_mat[2][0] = sin(ry); - rot_y_mat[0][0] = cos(ry); - - rot_z_mat[0][0] = cos(rz); - rot_z_mat[1][0] = -sin(rz); - rot_z_mat[0][1] = sin(rz); - rot_z_mat[1][1] = cos(rz); -} - -/* Convert matrix from Z=up to Y=up or vice versa. - * Use yup_mat = zup_mat for in-place conversion. */ -void copy_m44_axis_swap(float dst_mat[4][4], float src_mat[4][4], AbcAxisSwapMode mode) -{ - float dst_rot[3][3], src_rot[3][3], dst_scale_mat[4][4]; - float rot_x_mat[3][3], rot_y_mat[3][3], rot_z_mat[3][3]; - float src_trans[3], dst_scale[3], src_scale[3], euler[3]; - - zero_v3(src_trans); - zero_v3(dst_scale); - zero_v3(src_scale); - zero_v3(euler); - unit_m3(src_rot); - unit_m3(dst_rot); - unit_m4(dst_scale_mat); - - /* TODO(Sybren): This code assumes there is no sheer component and no - * homogeneous scaling component, which is not always true when writing - * non-hierarchical (e.g. flat) objects (e.g. when parent has non-uniform - * scale and the child rotates). This is currently not taken into account - * when axis-swapping. */ - - /* Extract translation, rotation, and scale form matrix. */ - mat4_to_loc_rot_size(src_trans, src_rot, src_scale, src_mat); - - /* Get euler angles from rotation matrix. */ - mat3_to_eulO(euler, ROT_MODE_XZY, src_rot); - - /* Create X, Y, Z rotation matrices from euler angles. */ - create_swapped_rotation_matrix(rot_x_mat, rot_y_mat, rot_z_mat, euler, mode); - - /* Concatenate rotation matrices. */ - mul_m3_m3m3(dst_rot, dst_rot, rot_z_mat); - mul_m3_m3m3(dst_rot, dst_rot, rot_y_mat); - mul_m3_m3m3(dst_rot, dst_rot, rot_x_mat); - - mat3_to_eulO(euler, ROT_MODE_XZY, dst_rot); - - /* Start construction of dst_mat from rotation matrix */ - unit_m4(dst_mat); - copy_m4_m3(dst_mat, dst_rot); - - /* Apply translation */ - switch (mode) { - case ABC_ZUP_FROM_YUP: - copy_zup_from_yup(dst_mat[3], src_trans); - break; - case ABC_YUP_FROM_ZUP: - copy_yup_from_zup(dst_mat[3], src_trans); - break; - default: - BLI_assert(false); - } - - /* Apply scale matrix. Swaps y and z, but does not - * negate like translation does. */ - dst_scale[0] = src_scale[0]; - dst_scale[1] = src_scale[2]; - dst_scale[2] = src_scale[1]; - - size_to_mat4(dst_scale_mat, dst_scale); - mul_m4_m4m4(dst_mat, dst_mat, dst_scale_mat); -} - -/* Recompute transform matrix of object in new coordinate system - * (from Z-Up to Y-Up). */ -void create_transform_matrix(Object *obj, - float r_yup_mat[4][4], - AbcMatrixMode mode, - Object *proxy_from) -{ - float zup_mat[4][4]; - - /* get local or world matrix. */ - if (mode == ABC_MATRIX_LOCAL && obj->parent) { - /* Note that this produces another matrix than the local matrix, due to - * constraints and modifiers as well as the obj->parentinv matrix. */ - invert_m4_m4(obj->parent->imat, obj->parent->obmat); - mul_m4_m4m4(zup_mat, obj->parent->imat, obj->obmat); - } - else { - copy_m4_m4(zup_mat, obj->obmat); - } - - if (proxy_from) { - mul_m4_m4m4(zup_mat, proxy_from->obmat, zup_mat); - } - - copy_m44_axis_swap(r_yup_mat, zup_mat, ABC_YUP_FROM_ZUP); -} - bool has_property(const Alembic::Abc::ICompoundProperty &prop, const std::string &name) { if (!prop.valid()) { |