io_import_scene_mhx.py 文件源码

def loadMhpFile(rig, scn, filepath):
    unit = Matrix()
    for pb in rig.pose.bones:
        pb.matrix_basis = unit

    (pname, ext) = os.path.splitext(filepath)
    mhppath = pname + ".mhp"

    fp = open(mhppath, "rU")
    for line in fp:
        words = line.split()
        if len(words) < 4:
            continue

        try:
            pb = rig.pose.bones[words[0]]
        except KeyError:
            print("Warning: Did not find bone %s" % words[0])
            continue

        if isMuscleBone(pb):
            pass
        elif words[1] == "quat":
            q = Quaternion((float(words[2]), float(words[3]), float(words[4]), float(words[5])))
            mat = q.to_matrix().to_4x4()
            pb.matrix_basis = mat
        elif words[1] == "gquat":
            q = Quaternion((float(words[2]), float(words[3]), float(words[4]), float(words[5])))
            mat = q.to_matrix().to_4x4()
            maty = mat[1].copy()
            matz = mat[2].copy()
            mat[1] = -matz
            mat[2] = maty
            pb.matrix_basis = pb.bone.matrix_local.inverted() * mat
        elif words[1] == "matrix":
            rows = []
            n = 2
            for i in range(4):
                rows.append((float(words[n]), float(words[n+1]), float(words[n+2]), float(words[n+3])))
                n += 4
            mat = Matrix(rows)
            if pb.parent:
                pb.matrix_basis = mat
            else:
                maty = mat[1].copy()
                matz = mat[2].copy()
                mat[1] = -matz
                mat[2] = maty
                pb.matrix_basis = pb.bone.matrix_local.inverted() * mat
        elif words[1] == "scale":
            pass
        else:
            print("WARNING: Unknown line in mcp file:\n%s" % line)
    fp.close()
    print("Mhp file %s loaded" % mhppath)