Code example - MESH_OT_subdivide

blender-svn/blender/source/blender/editors/mesh/editmesh_tools.c

void MESH_OT_subdivide(wmOperatorType *ot)
{
    PropertyRNA *prop;

    /* identifiers */
    ot->name = "Subdivide";
    ot->description = "Subdivide selected edges";
    ot->idname = "MESH_OT_subdivide";

    /* api callbacks */
    ot->exec = edbm_subdivide_exec;
    ot->poll = ED_operator_editmesh;

    /* flags */
    ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;

    /* properties */
    prop = RNA_def_int(ot->srna, "number_cuts", 1, 1, INT_MAX, "Number of Cuts", "", 1, 10);
    /* avoid re-using last var because it can cause _very_ high poly meshes and annoy users (or worse crash) */
    RNA_def_property_flag(prop, PROP_SKIP_SAVE);

    RNA_def_float(ot->srna, "smoothness", 0.0f, 0.0f, FLT_MAX, "Smoothness", "Smoothness factor", 0.0f, 1.0f);

    RNA_def_boolean(ot->srna, "quadtri", 0, "Quad/Tri Mode", "Tries to prevent ngons");
    RNA_def_enum(ot->srna, "quadcorner", prop_mesh_cornervert_types, SUBD_STRAIGHT_CUT,
                 "Quad Corner Type", "How to subdivide quad corners (anything other than Straight Cut will prevent ngons)");

    RNA_def_float(ot->srna, "fractal", 0.0f, 0.0f, FLT_MAX, "Fractal", "Fractal randomness factor", 0.0f, 1000.0f);
    RNA_def_float(ot->srna, "fractal_along_normal", 0.0f, 0.0f, 1.0f, "Along Normal", "Apply fractal displacement along normal only", 0.0f, 1.0f);
    RNA_def_int(ot->srna, "seed", 0, 0, 10000, "Random Seed", "Seed for the random number generator", 0, 50);
}