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/*
* 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.
*
* The Original Code is Copyright (C) 2009 Blender Foundation.
* All rights reserved.
*/
/** \file
* \ingroup RNA
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include "RNA_define.h"
#include "rna_internal.h" /* own include */
#ifdef RNA_RUNTIME
# include <stddef.h>
# include "DNA_armature_types.h"
# include "BKE_armature.h"
# include "BLI_math_vector.h"
static void rna_EditBone_align_roll(EditBone *ebo, float no[3])
{
ebo->roll = ED_armature_ebone_roll_to_vector(ebo, no, false);
}
static float rna_Bone_do_envelope(Bone *bone, float vec[3])
{
float scale = (bone->flag & BONE_MULT_VG_ENV) == BONE_MULT_VG_ENV ? bone->weight : 1.0f;
return distfactor_to_bone(vec,
bone->arm_head,
bone->arm_tail,
bone->rad_head * scale,
bone->rad_tail * scale,
bone->dist * scale);
}
static void rna_Bone_convert_local_to_pose(Bone *bone,
float r_matrix[16],
float matrix[16],
float matrix_local[16],
float parent_matrix[16],
float parent_matrix_local[16],
bool invert)
{
BoneParentTransform bpt;
float offs_bone[4][4];
float(*bone_arm_mat)[4] = (float(*)[4])matrix_local;
float(*parent_pose_mat)[4] = (float(*)[4])parent_matrix;
float(*parent_arm_mat)[4] = (float(*)[4])parent_matrix_local;
if (is_zero_m4(parent_pose_mat) || is_zero_m4(parent_arm_mat)) {
/* No parent case. */
BKE_bone_parent_transform_calc_from_matrices(
bone->flag, bone->inherit_scale_mode, bone_arm_mat, NULL, NULL, &bpt);
}
else {
invert_m4_m4(offs_bone, parent_arm_mat);
mul_m4_m4m4(offs_bone, offs_bone, bone_arm_mat);
BKE_bone_parent_transform_calc_from_matrices(
bone->flag, bone->inherit_scale_mode, offs_bone, parent_arm_mat, parent_pose_mat, &bpt);
}
if (invert) {
BKE_bone_parent_transform_invert(&bpt);
}
BKE_bone_parent_transform_apply(&bpt, (float(*)[4])matrix, (float(*)[4])r_matrix);
}
static void rna_Bone_MatrixFromAxisRoll(float axis[3], float roll, float r_matrix[9])
{
vec_roll_to_mat3(axis, roll, (float(*)[3])r_matrix);
}
static void rna_Bone_AxisRollFromMatrix(float matrix[9],
float axis_override[3],
float r_axis[3],
float *r_roll)
{
float mat[3][3];
normalize_m3_m3(mat, (float(*)[3])matrix);
if (normalize_v3_v3(r_axis, axis_override) != 0.0f) {
mat3_vec_to_roll(mat, r_axis, r_roll);
}
else {
mat3_to_vec_roll(mat, r_axis, r_roll);
}
}
#else
void RNA_api_armature_edit_bone(StructRNA *srna)
{
FunctionRNA *func;
PropertyRNA *parm;
func = RNA_def_function(srna, "align_roll", "rna_EditBone_align_roll");
RNA_def_function_ui_description(func,
"Align the bone to a localspace roll so the Z axis "
"points in the direction of the vector given");
parm = RNA_def_float_vector(
func, "vector", 3, NULL, -FLT_MAX, FLT_MAX, "Vector", "", -FLT_MAX, FLT_MAX);
RNA_def_parameter_flags(parm, 0, PARM_REQUIRED);
}
void RNA_api_bone(StructRNA *srna)
{
PropertyRNA *parm;
FunctionRNA *func;
func = RNA_def_function(srna, "evaluate_envelope", "rna_Bone_do_envelope");
RNA_def_function_ui_description(func, "Calculate bone envelope at given point");
parm = RNA_def_float_vector_xyz(func,
"point",
3,
NULL,
-FLT_MAX,
FLT_MAX,
"Point",
"Position in 3d space to evaluate",
-FLT_MAX,
FLT_MAX);
RNA_def_parameter_flags(parm, 0, PARM_REQUIRED);
/* return value */
parm = RNA_def_float(
func, "factor", 0, -FLT_MAX, FLT_MAX, "Factor", "Envelope factor", -FLT_MAX, FLT_MAX);
RNA_def_function_return(func, parm);
func = RNA_def_function(srna, "convert_local_to_pose", "rna_Bone_convert_local_to_pose");
RNA_def_function_ui_description(func,
"Transform a matrix from Local to Pose space (or back), taking "
"into account options like Inherit Scale and Local Location. "
"Unlike Object.convert_space, this uses custom rest and pose "
"matrices provided by the caller. If the parent matrices are "
"omitted, the bone is assumed to have no parent.");
parm = RNA_def_property(func, "matrix_return", PROP_FLOAT, PROP_MATRIX);
RNA_def_property_multi_array(parm, 2, rna_matrix_dimsize_4x4);
RNA_def_property_ui_text(parm, "", "The transformed matrix");
RNA_def_function_output(func, parm);
parm = RNA_def_property(func, "matrix", PROP_FLOAT, PROP_MATRIX);
RNA_def_property_multi_array(parm, 2, rna_matrix_dimsize_4x4);
RNA_def_property_ui_text(parm, "", "The matrix to transform");
RNA_def_parameter_flags(parm, 0, PARM_REQUIRED);
parm = RNA_def_property(func, "matrix_local", PROP_FLOAT, PROP_MATRIX);
RNA_def_property_multi_array(parm, 2, rna_matrix_dimsize_4x4);
RNA_def_property_ui_text(parm, "", "The custom rest matrix of this bone (Bone.matrix_local)");
RNA_def_parameter_flags(parm, 0, PARM_REQUIRED);
parm = RNA_def_property(func, "parent_matrix", PROP_FLOAT, PROP_MATRIX);
RNA_def_property_multi_array(parm, 2, rna_matrix_dimsize_4x4);
RNA_def_property_ui_text(
parm, "", "The custom pose matrix of the parent bone (PoseBone.matrix)");
parm = RNA_def_property(func, "parent_matrix_local", PROP_FLOAT, PROP_MATRIX);
RNA_def_property_multi_array(parm, 2, rna_matrix_dimsize_4x4);
RNA_def_property_ui_text(
parm, "", "The custom rest matrix of the parent bone (Bone.matrix_local)");
parm = RNA_def_boolean(func, "invert", false, "", "Convert from Pose to Local space");
/* Conversions between Matrix and Axis + Roll representations. */
func = RNA_def_function(srna, "MatrixFromAxisRoll", "rna_Bone_MatrixFromAxisRoll");
RNA_def_function_ui_description(func, "Convert the axis + roll representation to a matrix");
RNA_def_function_flag(func, FUNC_NO_SELF);
parm = RNA_def_property(func, "axis", PROP_FLOAT, PROP_XYZ);
RNA_def_property_array(parm, 3);
RNA_def_property_ui_text(parm, "", "The main axis of the bone (tail - head)");
RNA_def_parameter_flags(parm, PROP_NEVER_NULL, PARM_REQUIRED);
parm = RNA_def_property(func, "roll", PROP_FLOAT, PROP_NONE);
RNA_def_property_ui_text(parm, "", "The roll of the bone");
RNA_def_parameter_flags(parm, 0, PARM_REQUIRED);
parm = RNA_def_property(func, "result_matrix", PROP_FLOAT, PROP_MATRIX);
RNA_def_property_multi_array(parm, 2, rna_matrix_dimsize_3x3);
RNA_def_property_ui_text(parm, "", "The resulting orientation matrix");
RNA_def_function_output(func, parm);
func = RNA_def_function(srna, "AxisRollFromMatrix", "rna_Bone_AxisRollFromMatrix");
RNA_def_function_ui_description(func,
"Convert a rotational matrix to the axis + roll representation. "
"Note that the resulting value of the roll may not be as "
"expected if the matrix has shear or negative determinant.");
RNA_def_function_flag(func, FUNC_NO_SELF);
parm = RNA_def_property(func, "matrix", PROP_FLOAT, PROP_MATRIX);
RNA_def_property_multi_array(parm, 2, rna_matrix_dimsize_3x3);
RNA_def_property_ui_text(parm, "", "The orientation matrix of the bone");
RNA_def_parameter_flags(parm, PROP_NEVER_NULL, PARM_REQUIRED);
parm = RNA_def_property(func, "axis", PROP_FLOAT, PROP_MATRIX);
RNA_def_property_array(parm, 3);
RNA_def_property_ui_text(
parm, "", "The optional override for the axis (finds closest approximation for the matrix)");
parm = RNA_def_property(func, "result_axis", PROP_FLOAT, PROP_XYZ);
RNA_def_property_array(parm, 3);
RNA_def_property_ui_text(parm, "", "The main axis of the bone");
RNA_def_function_output(func, parm);
parm = RNA_def_property(func, "result_roll", PROP_FLOAT, PROP_NONE);
RNA_def_property_ui_text(parm, "", "The roll of the bone");
RNA_def_function_output(func, parm);
}
#endif
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