diff options
Diffstat (limited to 'source/blender/blenkernel/BKE_armature.h')
| -rw-r--r-- | source/blender/blenkernel/BKE_armature.h | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/source/blender/blenkernel/BKE_armature.h b/source/blender/blenkernel/BKE_armature.h index e0e1103fe21..3a29dd0c3cb 100644 --- a/source/blender/blenkernel/BKE_armature.h +++ b/source/blender/blenkernel/BKE_armature.h @@ -128,9 +128,26 @@ void BKE_pchan_apply_mat4(struct bPoseChannel *pchan, float mat[4][4], bool use_ void BKE_pchan_to_mat4(struct bPoseChannel *pchan, float chan_mat[4][4]); void BKE_pchan_calc_mat(struct bPoseChannel *pchan); -/* Get the "pchan to pose" transform matrix. These matrices apply the effects of +/* Simple helper, computes the offset bone matrix. */ +void BKE_get_offset_bone_mat(struct Bone *bone, float offs_bone[4][4]); + +/* Transformation inherited from the parent bone. These matrices apply the effects of * HINGE/NO_SCALE/NO_LOCAL_LOCATION options over the pchan loc/rot/scale transformations. */ -void BKE_pchan_to_pose_mat(struct bPoseChannel *pchan, float rotscale_mat[4][4], float loc_mat[4][4]); +typedef struct BoneParentTransform { + float rotscale_mat[4][4]; /* parent effect on rotation & scale pose channels */ + float loc_mat[4][4]; /* parent effect on location pose channel */ +} BoneParentTransform; + +/* Matrix-like algebra operations on the transform */ +void BKE_clear_bone_parent_transform(struct BoneParentTransform *bpt); +void BKE_invert_bone_parent_transform(struct BoneParentTransform *bpt); +void BKE_combine_bone_parent_transform(const struct BoneParentTransform *in1, const struct BoneParentTransform *in2, struct BoneParentTransform *result); + +void BKE_apply_bone_parent_transform(const struct BoneParentTransform *bpt, const float inmat[4][4], float outmat[4][4]); + +/* Get the current parent transformation for the given pose bone. */ +void BKE_pchan_to_parent_transform(struct bPoseChannel *pchan, struct BoneParentTransform *r_bpt); +void BKE_calc_bone_parent_transform(int bone_flag, const float offs_bone[4][4], const float parent_arm_mat[4][4], const float parent_pose_mat[4][4], struct BoneParentTransform *r_bpt); /* Rotation Mode Conversions - Used for PoseChannels + Objects... */ void BKE_rotMode_change_values(float quat[4], float eul[3], float axis[3], float *angle, short oldMode, short newMode); |