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/* SPDX-License-Identifier: GPL-2.0-or-later */
/** \file
* \ingroup edgizmolib
*
* \name Gizmo Lib Presets
*
* \brief Preset shapes that can be drawn from any gizmo type.
*/
#include "BLI_math.h"
#include "DNA_object_types.h"
#include "BKE_context.h"
#include "GPU_matrix.h"
#include "GPU_select.h"
#include "DEG_depsgraph.h"
#include "WM_types.h"
#include "ED_view3d.h"
/* own includes */
#include "ED_gizmo_library.h" /* own include */
#include "gizmo_library_intern.h" /* own include */
/* TODO: this is to be used by RNA. might move to ED_gizmo_library. */
/**
* Given a single axis, orient the matrix to a different direction.
*/
static void single_axis_convert(int src_axis,
const float src_mat[4][4],
int dst_axis,
float dst_mat[4][4])
{
copy_m4_m4(dst_mat, src_mat);
if (src_axis == dst_axis) {
return;
}
float rotmat[3][3];
mat3_from_axis_conversion_single(src_axis, dst_axis, rotmat);
transpose_m3(rotmat);
mul_m4_m4m3(dst_mat, src_mat, rotmat);
}
/**
* Use for all geometry.
*/
static void ed_gizmo_draw_preset_geometry(const struct wmGizmo *gz,
const float mat[4][4],
int select_id,
const GizmoGeomInfo *info)
{
const bool is_select = (select_id != -1);
const bool is_highlight = is_select && (gz->state & WM_GIZMO_STATE_HIGHLIGHT) != 0;
float color[4];
gizmo_color_get(gz, is_highlight, color);
if (is_select) {
GPU_select_load_id(select_id);
}
GPU_matrix_push();
GPU_matrix_mul(mat);
wm_gizmo_geometryinfo_draw(info, is_select, color);
GPU_matrix_pop();
if (is_select) {
GPU_select_load_id(-1);
}
}
void ED_gizmo_draw_preset_box(const struct wmGizmo *gz, float mat[4][4], int select_id)
{
ed_gizmo_draw_preset_geometry(gz, mat, select_id, &wm_gizmo_geom_data_cube);
}
void ED_gizmo_draw_preset_arrow(const struct wmGizmo *gz, float mat[4][4], int axis, int select_id)
{
float mat_rotate[4][4];
single_axis_convert(OB_POSZ, mat, axis, mat_rotate);
ed_gizmo_draw_preset_geometry(gz, mat_rotate, select_id, &wm_gizmo_geom_data_arrow);
}
void ED_gizmo_draw_preset_circle(const struct wmGizmo *gz,
float mat[4][4],
int axis,
int select_id)
{
float mat_rotate[4][4];
single_axis_convert(OB_POSZ, mat, axis, mat_rotate);
ed_gizmo_draw_preset_geometry(gz, mat_rotate, select_id, &wm_gizmo_geom_data_dial);
}
void ED_gizmo_draw_preset_facemap(
const bContext *C, const struct wmGizmo *gz, Object *ob, const int facemap, int select_id)
{
/* Dependency graph is supposed to be evaluated prior to draw. */
Depsgraph *depsgraph = CTX_data_expect_evaluated_depsgraph(C);
const bool is_select = (select_id != -1);
const bool is_highlight = is_select && (gz->state & WM_GIZMO_STATE_HIGHLIGHT) != 0;
float color[4];
gizmo_color_get(gz, is_highlight, color);
if (is_select) {
GPU_select_load_id(select_id);
}
GPU_matrix_push();
GPU_matrix_mul(ob->obmat);
ED_draw_object_facemap(depsgraph, ob, color, facemap);
GPU_matrix_pop();
if (is_select) {
GPU_select_load_id(-1);
}
}
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