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Collada - Added support for custom bind matrix (using new bind_mat custom property)

This commit is contained in:
Gaia Clary 2017-03-23 12:53:56 +01:00
parent 6cfa962986
commit 51d4743033
Notes: blender-bot 2023-02-14 07:17:43 +01:00 
Referenced by issue #50412, Improve Bind Pose Support in Blender
1 changed files with 21 additions and 16 deletions
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37
source/blender/collada/ControllerExporter.cpp
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@ -580,30 +580,35 @@ std::string ControllerExporter::add_inv_bind_mats_source(Object *ob_arm, ListBas
float world[4][4];
float inv_bind_mat[4][4];
float bind_mat[4][4]; /* derived from bone->arm_mat */
bool has_bindmat = bc_get_property_matrix(pchan->bone, "bind_mat", bind_mat);
// SL/OPEN_SIM COMPATIBILITY
if (export_settings->open_sim) {
// Only translations, no rotation vs armature
float temp[4][4];
unit_m4(temp);
copy_v3_v3(temp[3], pchan->bone->arm_mat[3]);
mul_m4_m4m4(world, ob_arm->obmat, temp);
if (!has_bindmat) {
// Add Maya restpose matrix (if defined as properties)
float restpose_mat[4][4];
create_restpose_mat(pchan->bone, restpose_mat);
mul_m4_m4m4(world, world, restpose_mat);
/* Have no bind matrix stored, try old style <= Blender 2.78 */
}
else {
// make world-space matrix, arm_mat is armature-space
mul_m4_m4m4(world, ob_arm->obmat, pchan->bone->arm_mat);
bc_create_restpose_mat(this->export_settings, pchan->bone, bind_mat, pchan->bone->arm_mat, true);
// SL/OPEN_SIM COMPATIBILITY
if (export_settings->open_sim) {
float loc[3];
float rot[3] = { 0, 0, 0 };
float scale[3];
bc_decompose(bind_mat, loc, NULL, NULL, scale);
// Only translations, no rotation vs armature
loc_eulO_size_to_mat4(bind_mat, loc, rot, scale, 6);
}
}
// make world-space matrix (bind_mat is armature-space)
mul_m4_m4m4(world, ob_arm->obmat, bind_mat);
invert_m4_m4(mat, world);
converter.mat4_to_dae(inv_bind_mat, mat);
bc_sanitize_mat(inv_bind_mat, 6); // XXX: Make this optional ?
source.appendValues(inv_bind_mat);
}
}