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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* 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.
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/editors/space_view3d/view3d_manipulator_forcefield.c
* \ingroup spview3d
*/
#include "BLI_blenlib.h"
#include "BLI_math.h"
#include "BLI_utildefines.h"
#include "BKE_context.h"
#include "BKE_object.h"
#include "DNA_object_types.h"
#include "DNA_object_force.h"
#include "ED_screen.h"
#include "ED_manipulator_library.h"
#include "MEM_guardedalloc.h"
#include "RNA_access.h"
#include "WM_api.h"
#include "WM_types.h"
#include "view3d_intern.h" /* own include */
/* -------------------------------------------------------------------- */
/** \name Force Field Manipulators
* \{ */
static bool WIDGETGROUP_forcefield_poll(const bContext *C, wmManipulatorGroupType *UNUSED(wgt))
{
Object *ob = CTX_data_active_object(C);
return (ob && ob->pd && ob->pd->forcefield);
}
static void WIDGETGROUP_forcefield_setup(const bContext *UNUSED(C), wmManipulatorGroup *mgroup)
{
const float col[4] = {0.8f, 0.8f, 0.45f, 0.5f};
const float col_hi[4] = {0.8f, 0.8f, 0.45f, 1.0f};
/* only wind effector for now */
wmManipulatorWrapper *wwrapper = MEM_mallocN(sizeof(wmManipulatorWrapper), __func__);
mgroup->customdata = wwrapper;
wwrapper->manipulator = WM_manipulator_new("MANIPULATOR_WT_arrow_3d", mgroup, NULL);
wmManipulator *mpr = wwrapper->manipulator;
RNA_enum_set(mpr->ptr, "draw_options", ED_MANIPULATOR_ARROW_STYLE_CONSTRAINED);
ED_manipulator_arrow3d_set_ui_range(mpr, -200.0f, 200.0f);
ED_manipulator_arrow3d_set_range_fac(mpr, 6.0f);
WM_manipulator_set_color(mpr, col);
WM_manipulator_set_color_highlight(mpr, col_hi);
}
static void WIDGETGROUP_forcefield_refresh(const bContext *C, wmManipulatorGroup *mgroup)
{
wmManipulatorWrapper *wwrapper = mgroup->customdata;
wmManipulator *mpr = wwrapper->manipulator;
Object *ob = CTX_data_active_object(C);
PartDeflect *pd = ob->pd;
if (pd->forcefield == PFIELD_WIND) {
const float size = (ob->type == OB_EMPTY) ? ob->empty_drawsize : 1.0f;
const float ofs[3] = {0.0f, -size, 0.0f};
PointerRNA field_ptr;
RNA_pointer_create(&ob->id, &RNA_FieldSettings, pd, &field_ptr);
WM_manipulator_set_matrix_location(mpr, ob->obmat[3]);
WM_manipulator_set_matrix_rotation_from_z_axis(mpr, ob->obmat[2]);
WM_manipulator_set_matrix_offset_location(mpr, ofs);
WM_manipulator_set_flag(mpr, WM_MANIPULATOR_HIDDEN, false);
WM_manipulator_target_property_def_rna(mpr, "offset", &field_ptr, "strength", -1);
}
else {
WM_manipulator_set_flag(mpr, WM_MANIPULATOR_HIDDEN, true);
}
}
void VIEW3D_WGT_force_field(wmManipulatorGroupType *wgt)
{
wgt->name = "Force Field Widgets";
wgt->idname = "VIEW3D_WGT_force_field";
wgt->flag |= (WM_MANIPULATORGROUPTYPE_PERSISTENT |
WM_MANIPULATORGROUPTYPE_3D |
WM_MANIPULATORGROUPTYPE_SCALE |
WM_MANIPULATORGROUPTYPE_DEPTH_3D);
wgt->poll = WIDGETGROUP_forcefield_poll;
wgt->setup = WIDGETGROUP_forcefield_setup;
wgt->refresh = WIDGETGROUP_forcefield_refresh;
}
/** \} */
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