C++ RNA_float_get函数代码示例

static void arrow2d_draw_geom(wmGizmo *gz, const float matrix[4][4], const float color[4])
{
  const float size = 0.11f;
  const float size_breadth = size / 2.0f;
  const float size_length = size * 1.7f;
  /* Subtract the length so the arrow fits in the hotspot. */
  const float arrow_length = RNA_float_get(gz->ptr, "length") - size_length;
  const float arrow_angle = RNA_float_get(gz->ptr, "angle");

  uint pos = GPU_vertformat_attr_add(immVertexFormat(), "pos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);

  GPU_matrix_push();
  GPU_matrix_mul(matrix);
  GPU_matrix_rotate_2d(RAD2DEGF(arrow_angle));

  immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR);

  immUniformColor4fv(color);

  immBegin(GPU_PRIM_LINES, 2);
  immVertex2f(pos, 0.0f, 0.0f);
  immVertex2f(pos, 0.0f, arrow_length);
  immEnd();

  immBegin(GPU_PRIM_TRIS, 3);
  immVertex2f(pos, size_breadth, arrow_length);
  immVertex2f(pos, -size_breadth, arrow_length);
  immVertex2f(pos, 0.0f, arrow_length + size_length);
  immEnd();

  immUnbindProgram();

  GPU_matrix_pop();
}

static void edbm_inset_update_header(wmOperator *op, bContext *C)
{
	InsetData *opdata = op->customdata;

	const char *str = IFACE_("Confirm: Enter/LClick, Cancel: (Esc/RClick), Thickness: %s, "
	                         "Depth (Ctrl to tweak): %s (%s), Outset (O): (%s), Boundary (B): (%s), Individual (I): (%s)");

	char msg[HEADER_LENGTH];
	ScrArea *sa = CTX_wm_area(C);
	Scene *sce = CTX_data_scene(C);

	if (sa) {
		char flts_str[NUM_STR_REP_LEN * 2];
		if (hasNumInput(&opdata->num_input))
			outputNumInput(&opdata->num_input, flts_str, &sce->unit);
		else {
			BLI_snprintf(flts_str, NUM_STR_REP_LEN, "%f", RNA_float_get(op->ptr, "thickness"));
			BLI_snprintf(flts_str + NUM_STR_REP_LEN, NUM_STR_REP_LEN, "%f", RNA_float_get(op->ptr, "depth"));
		}
		BLI_snprintf(msg, HEADER_LENGTH, str,
		             flts_str,
		             flts_str + NUM_STR_REP_LEN,
		             WM_bool_as_string(opdata->modify_depth),
		             WM_bool_as_string(RNA_boolean_get(op->ptr, "use_outset")),
		             WM_bool_as_string(RNA_boolean_get(op->ptr, "use_boundary")),
		             WM_bool_as_string(RNA_boolean_get(op->ptr, "use_individual"))
		            );

		ED_area_headerprint(sa, msg);
	}
}

static int add_primitive_cone_exec(bContext *C, wmOperator *op)
{
	Object *obedit;
	BMEditMesh *em;
	float loc[3], rot[3], mat[4][4], dia;
	bool enter_editmode;
	unsigned int layer;
	bool was_editmode;
	const int end_fill_type = RNA_enum_get(op->ptr, "end_fill_type");
	const bool cap_end = (end_fill_type != 0);
	const bool cap_tri = (end_fill_type == 2);

	ED_object_add_generic_get_opts(C, op, loc, rot, &enter_editmode, &layer, NULL);
	obedit = make_prim_init(C, CTX_DATA_(BLF_I18NCONTEXT_ID_MESH, "Cone"), &dia, mat, &was_editmode, loc, rot, layer);
	em = BKE_editmesh_from_object(obedit);

	if (!EDBM_op_call_and_selectf(
	        em, op, "verts.out", false,
	        "create_cone segments=%i diameter1=%f diameter2=%f cap_ends=%b cap_tris=%b depth=%f matrix=%m4",
	        RNA_int_get(op->ptr, "vertices"), RNA_float_get(op->ptr, "radius1"),
	        RNA_float_get(op->ptr, "radius2"), cap_end, cap_tri, RNA_float_get(op->ptr, "depth"), mat))
	{
		return OPERATOR_CANCELLED;
	}

	make_prim_finish(C, obedit, was_editmode, enter_editmode);

	return OPERATOR_FINISHED;
}

static int object_rand_verts_exec(bContext *C, wmOperator *op)
{
	const float offset = RNA_float_get(op->ptr, "offset");
	const float uniform = RNA_float_get(op->ptr, "uniform");
	const float normal_factor = RNA_float_get(op->ptr, "normal");
	const unsigned int seed = RNA_int_get(op->ptr, "seed");

	TransVertStore tvs = {NULL};
	Object *obedit = CTX_data_edit_object(C);

	if (obedit) {
		int mode = TM_ALL_JOINTS;

		if (normal_factor != 0.0f) {
			mode |= TX_VERT_USE_NORMAL;
		}

		ED_transverts_create_from_obedit(&tvs, obedit, mode);
		if (tvs.transverts_tot == 0)
			return OPERATOR_CANCELLED;

		object_rand_transverts(&tvs, offset, uniform, normal_factor, seed);

		ED_transverts_update_obedit(&tvs, obedit);
		ED_transverts_free(&tvs);
	}

	WM_event_add_notifier(C, NC_OBJECT | ND_DRAW, obedit);

	return OPERATOR_FINISHED;
}

static void edbm_bevel_update_header(bContext *C, wmOperator *op)
{
	const char *str = IFACE_("Confirm: (Enter/LMB), Cancel: (Esc/RMB), Mode: %s (M), Clamp Overlap: %s (C), "
	                         "Vertex Only: %s (V), Profile Control: %s (P), Offset: %s, Segments: %d, Profile: %.3f");

	char msg[UI_MAX_DRAW_STR];
	ScrArea *sa = CTX_wm_area(C);
	Scene *sce = CTX_data_scene(C);

	if (sa) {
		BevelData *opdata = op->customdata;
		char offset_str[NUM_STR_REP_LEN];
		const char *type_str;
		PropertyRNA *prop = RNA_struct_find_property(op->ptr, "offset_type");

		if (hasNumInput(&opdata->num_input[OFFSET_VALUE])) {
			outputNumInput(&opdata->num_input[OFFSET_VALUE], offset_str, &sce->unit);
		}
		else {
			BLI_snprintf(offset_str, NUM_STR_REP_LEN, "%f", RNA_float_get(op->ptr, "offset"));
		}

		RNA_property_enum_name_gettexted(C, op->ptr, prop, RNA_property_enum_get(op->ptr, prop), &type_str);

		BLI_snprintf(msg, sizeof(msg), str, type_str,
		             WM_bool_as_string(RNA_boolean_get(op->ptr, "clamp_overlap")),
		             WM_bool_as_string(RNA_boolean_get(op->ptr, "vertex_only")),
		             WM_bool_as_string(opdata->value_mode == PROFILE_VALUE),
		             offset_str, RNA_int_get(op->ptr, "segments"), RNA_float_get(op->ptr, "profile"));

		ED_area_headerprint(sa, msg);
	}
}

static float get_bevel_offset(wmOperator *op)
{
  float val;

  if (RNA_enum_get(op->ptr, "offset_type") == BEVEL_AMT_PERCENT) {
    val = RNA_float_get(op->ptr, "offset_pct");
  }
  else {
    val = RNA_float_get(op->ptr, "offset");
  }
  return val;
}

static bool edbm_bevel_calc(wmOperator *op)
{
	BevelData *opdata = op->customdata;
	BMEditMesh *em = opdata->em;
	BMOperator bmop;
	const float offset = RNA_float_get(op->ptr, "offset");
	const int offset_type = RNA_enum_get(op->ptr, "offset_type");
	const int segments = RNA_int_get(op->ptr, "segments");
	const float profile = RNA_float_get(op->ptr, "profile");
	const bool vertex_only = RNA_boolean_get(op->ptr, "vertex_only");
	const bool clamp_overlap = RNA_boolean_get(op->ptr, "clamp_overlap");
	int material = RNA_int_get(op->ptr, "material");
	const bool loop_slide = RNA_boolean_get(op->ptr, "loop_slide");

	/* revert to original mesh */
	if (opdata->is_modal) {
		EDBM_redo_state_restore(opdata->mesh_backup, em, false);
	}

	if (em->ob) {
		material = CLAMPIS(material, -1, em->ob->totcol - 1);
	}

	EDBM_op_init(em, &bmop, op,
	             "bevel geom=%hev offset=%f segments=%i vertex_only=%b offset_type=%i profile=%f clamp_overlap=%b "
	             "material=%i loop_slide=%b",
	             BM_ELEM_SELECT, offset, segments, vertex_only, offset_type, profile,
	             clamp_overlap, material, loop_slide);

	BMO_op_exec(em->bm, &bmop);

	if (offset != 0.0f) {
		/* not essential, but we may have some loose geometry that
		 * won't get bevel'd and better not leave it selected */
		EDBM_flag_disable_all(em, BM_ELEM_SELECT);
		BMO_slot_buffer_hflag_enable(em->bm, bmop.slots_out, "faces.out", BM_FACE, BM_ELEM_SELECT, true);
	}

	/* no need to de-select existing geometry */
	if (!EDBM_op_finish(em, &bmop, op, true)) {
		return false;
	}

	EDBM_mesh_normals_update(opdata->em);

	EDBM_update_generic(opdata->em, true, true);

	return true;
}

static int wm_alembic_import_exec(bContext *C, wmOperator *op)
{
	if (!RNA_struct_property_is_set(op->ptr, "filepath")) {
		BKE_report(op->reports, RPT_ERROR, "No filename given");
		return OPERATOR_CANCELLED;
	}

	char filename[FILE_MAX];
	RNA_string_get(op->ptr, "filepath", filename);

	const float scale = RNA_float_get(op->ptr, "scale");
	const bool is_sequence = RNA_boolean_get(op->ptr, "is_sequence");
	const bool set_frame_range = RNA_boolean_get(op->ptr, "set_frame_range");
	const bool validate_meshes = RNA_boolean_get(op->ptr, "validate_meshes");
	const bool as_background_job = RNA_boolean_get(op->ptr, "as_background_job");

	int offset = 0;
	int sequence_len = 1;

	if (is_sequence) {
		sequence_len = get_sequence_len(filename, &offset);
		if (sequence_len < 0) {
			BKE_report(op->reports, RPT_ERROR, "Unable to determine ABC sequence length");
			return OPERATOR_CANCELLED;
		}
	}

	bool ok = ABC_import(C, filename, scale, is_sequence, set_frame_range,
	                     sequence_len, offset, validate_meshes,
	                     as_background_job);

	return as_background_job || ok ? OPERATOR_FINISHED : OPERATOR_CANCELLED;
}

/* Set the new frame number */
static void change_frame_apply(bContext *C, wmOperator *op)
{
  Main *bmain = CTX_data_main(C);
  Scene *scene = CTX_data_scene(C);
  float frame = RNA_float_get(op->ptr, "frame");
  bool do_snap = RNA_boolean_get(op->ptr, "snap");

  if (do_snap) {
    if (CTX_wm_space_seq(C)) {
      frame = BKE_sequencer_find_next_prev_edit(scene, frame, SEQ_SIDE_BOTH, true, false, false);
    }
    else {
      frame = BKE_scene_frame_snap_by_seconds(scene, 1.0, frame);
    }
  }

  /* set the new frame number */
  if (scene->r.flag & SCER_SHOW_SUBFRAME) {
    CFRA = (int)frame;
    SUBFRA = frame - (int)frame;
  }
  else {
    CFRA = round_fl_to_int(frame);
    SUBFRA = 0.0f;
  }
  FRAMENUMBER_MIN_CLAMP(CFRA);

  /* do updates */
  BKE_sound_seek_scene(bmain, scene);
  WM_event_add_notifier(C, NC_SCENE | ND_FRAME, scene);
}

static int actkeys_clean_exec(bContext *C, wmOperator *op)
{
	bAnimContext ac;
	float thresh;
	bool clean_chan;
	
	/* get editor data */
	if (ANIM_animdata_get_context(C, &ac) == 0)
		return OPERATOR_CANCELLED;
		
	if (ELEM(ac.datatype, ANIMCONT_GPENCIL, ANIMCONT_MASK)) {
		BKE_report(op->reports, RPT_ERROR, "Not implemented");
		return OPERATOR_PASS_THROUGH;
	}
		
	/* get cleaning threshold */
	thresh = RNA_float_get(op->ptr, "threshold");
	clean_chan = RNA_boolean_get(op->ptr, "channels");
	
	/* clean keyframes */
	clean_action_keys(&ac, thresh, clean_chan);
	
	/* set notifier that keyframes have changed */
	WM_event_add_notifier(C, NC_ANIMATION | ND_KEYFRAME | NA_EDITED, NULL);
	
	return OPERATOR_FINISHED;
}

static int lattice_select_random_exec(bContext *C, wmOperator *op)
{
	Object *obedit = CTX_data_edit_object(C);
	Lattice *lt = ((Lattice *)obedit->data)->editlatt->latt;

	const float randfac = RNA_float_get(op->ptr, "percent") / 100.0f;
	const int seed = RNA_int_get(op->ptr, "seed");
	const bool select = (RNA_enum_get(op->ptr, "action") == SEL_SELECT);

	RNG *rng = BLI_rng_new_srandom(seed);

	int tot;
	BPoint *bp;

	tot = lt->pntsu * lt->pntsv * lt->pntsw;
	bp = lt->def;
	while (tot--) {
		if (!bp->hide) {
			if (BLI_rng_get_float(rng) < randfac) {
				bpoint_select_set(bp, select);
			}
		}
		bp++;
	}

	if (select == false) {
		lt->actbp = LT_ACTBP_NONE;
	}

	BLI_rng_free(rng);

	WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obedit->data);

	return OPERATOR_FINISHED;
}

static int create_primitive_from_points(bContext *C, wmOperator *op, const float (*points)[2],
                                        int num_points, char handle_type)
{
	ScrArea *sa = CTX_wm_area(C);
	Scene *scene = CTX_data_scene(C);
	Mask *mask;
	MaskLayer *mask_layer;
	MaskSpline *new_spline;
	float scale, location[2], frame_size[2];
	int i, width, height;
	int size = RNA_float_get(op->ptr, "size");

	ED_mask_get_size(sa, &width, &height);
	scale = (float)size / max_ii(width, height);

	/* Get location in mask space. */
	frame_size[0] = width;
	frame_size[1] = height;
	RNA_float_get_array(op->ptr, "location", location);
	location[0] /= width;
	location[1] /= height;
	BKE_mask_coord_from_frame(location, location, frame_size);

	/* Make it so new primitive is centered to mouse location. */
	location[0] -= 0.5f * scale;
	location[1] -= 0.5f * scale;

	mask_layer = ED_mask_layer_ensure(C);
	mask = CTX_data_edit_mask(C);

	ED_mask_select_toggle_all(mask, SEL_DESELECT);

	new_spline = BKE_mask_spline_add(mask_layer);
	new_spline->flag = MASK_SPLINE_CYCLIC | SELECT;
	new_spline->tot_point = num_points;
	new_spline->points = MEM_recallocN(new_spline->points,
	                                   sizeof(MaskSplinePoint) * new_spline->tot_point);

	mask_layer->act_spline = new_spline;
	mask_layer->act_point = NULL;

	for (i = 0; i < num_points; i++) {
		MaskSplinePoint *new_point = &new_spline->points[i];

		copy_v2_v2(new_point->bezt.vec[1], points[i]);
		mul_v2_fl(new_point->bezt.vec[1], scale);
		add_v2_v2(new_point->bezt.vec[1], location);

		new_point->bezt.h1 = handle_type;
		new_point->bezt.h2 = handle_type;
		BKE_mask_point_select_set(new_point, true);
	}

	WM_event_add_notifier(C, NC_MASK | NA_EDITED, mask);

	/* TODO: only update this spline */
	BKE_mask_update_display(mask, CFRA);

	return OPERATOR_FINISHED;
}

static void create_subd_mesh(Mesh *mesh, BL::Mesh b_mesh, PointerRNA *cmesh, const vector<uint>& used_shaders)
{
	/* create subd mesh */
	SubdMesh sdmesh;

	/* create vertices */
	BL::Mesh::vertices_iterator v;

	for(b_mesh.vertices.begin(v); v != b_mesh.vertices.end(); ++v)
		sdmesh.add_vert(get_float3(v->co()));

	/* create faces */
	BL::Mesh::faces_iterator f;

	for(b_mesh.faces.begin(f); f != b_mesh.faces.end(); ++f) {
		int4 vi = get_int4(f->vertices_raw());
		int n= (vi[3] == 0)? 3: 4;
		//int shader = used_shaders[f->material_index()];

		if(n == 4)
			sdmesh.add_face(vi[0], vi[1], vi[2], vi[3]);
		/*else
			sdmesh.add_face(vi[0], vi[1], vi[2]);*/
	}

	/* finalize subd mesh */
	sdmesh.link_boundary();

	/* subdivide */
	DiagSplit dsplit;
	dsplit.camera = NULL;
	dsplit.dicing_rate = RNA_float_get(cmesh, "dicing_rate");

	sdmesh.tesselate(&dsplit, false, mesh, used_shaders[0], true);
}

static int add_primitive_cube_exec(bContext *C, wmOperator *op)
{
	Object *obedit;
	BMEditMesh *em;
	float loc[3], rot[3], mat[4][4], dia;
	bool enter_editmode;
	bool was_editmode;
	unsigned int layer;

	ED_object_add_generic_get_opts(C, op, loc, rot, &enter_editmode, &layer, NULL);
	obedit = make_prim_init(C, CTX_DATA_(BLF_I18NCONTEXT_ID_MESH, "Cube"), &dia, mat, &was_editmode, loc, rot, layer);
	em = BKE_editmesh_from_object(obedit);

	if (!EDBM_op_call_and_selectf(
	        em, op, "verts.out", false,
	        "create_cube matrix=%m4 size=%f",
	        mat, RNA_float_get(op->ptr, "radius") * 2.0f))
	{
		return OPERATOR_CANCELLED;
	}

	/* BMESH_TODO make plane side this: M_SQRT2 - plane (diameter of 1.41 makes it unit size) */
	make_prim_finish(C, obedit, was_editmode, enter_editmode);

	return OPERATOR_FINISHED;
}

static int add_primitive_cone_exec(bContext *C, wmOperator *op)
{
	int enter_editmode;
	unsigned int layer;
	float loc[3], rot[3];
	
	if(!ED_object_add_generic_get_opts(C, op, loc, rot, &enter_editmode, &layer))
		return OPERATOR_CANCELLED;

	make_prim_ext(C, loc, rot, enter_editmode, layer,
			PRIM_CONE, RNA_int_get(op->ptr, "vertices"), 0, 0,
			RNA_float_get(op->ptr,"radius"), RNA_float_get(op->ptr, "depth"),
			0, RNA_boolean_get(op->ptr, "cap_end"));

	return OPERATOR_FINISHED;
}