Differential D2917 Diff 9602 source/blender/editors/space_view3d/view3d_manipulator_camera.c

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source/blender/editors/space_view3d/view3d_manipulator_camera.c

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#include "UI_resources.h"		#include "UI_resources.h"

#include "MEM_guardedalloc.h"		#include "MEM_guardedalloc.h"

#include "RNA_access.h"		#include "RNA_access.h"

#include "WM_api.h"		#include "WM_api.h"
#include "WM_types.h"		#include "WM_types.h"
		#include "WM_message.h"

#include "view3d_intern.h" /* own include */		#include "view3d_intern.h" /* own include */


/* -------------------------------------------------------------------- */		/* -------------------------------------------------------------------- */

/** \name Camera Manipulators		/** \name Camera Manipulators
* \{ */		* \{ */

struct CameraWidgetGroup {		struct CameraWidgetGroup {
wmManipulator *dop_dist;		wmManipulator *dop_dist;
wmManipulator *focal_len;		wmManipulator *focal_len;
wmManipulator *ortho_scale;		wmManipulator *ortho_scale;
};		};

static bool WIDGETGROUP_camera_poll(const bContext C, wmManipulatorGroupType UNUSED(wgt))		static bool WIDGETGROUP_camera_poll(const bContext C, wmManipulatorGroupType UNUSED(wgt))
{		{
Object *ob = CTX_data_active_object(C);		Object *ob = CTX_data_active_object(C);

return (ob && ob->type == OB_CAMERA);		return (ob && ob->type == OB_CAMERA);
}		}

static void cameragroup_property_setup(wmManipulator widget, Object ob, Camera *ca, const bool is_ortho)
{
const float scale[3] = {1.0f / len_v3(ob->obmat[0]), 1.0f / len_v3(ob->obmat[1]), 1.0f / len_v3(ob->obmat[2])};
const float scale_fac = ca->drawsize;
const float drawsize = is_ortho ?
(0.5f * ca->ortho_scale) :
(scale_fac / ((scale[0] + scale[1] + scale[2]) / 3.0f));
const float half_sensor = 0.5f * ((ca->sensor_fit == CAMERA_SENSOR_FIT_VERT) ? ca->sensor_y : ca->sensor_x);
const char *propname = is_ortho ? "ortho_scale" : "lens";

PointerRNA camera_ptr;
float min, max, range;
float step, precision;

RNA_pointer_create(&ca->id, &RNA_Camera, ca, &camera_ptr);

/* get property range */
PropertyRNA *prop = RNA_struct_find_property(&camera_ptr, propname);
RNA_property_float_ui_range(&camera_ptr, prop, &min, &max, &step, &precision);
range = max - min;

ED_manipulator_arrow3d_set_range_fac(widget, is_ortho ? (scale_fac * range) : (drawsize * range / half_sensor));
}

static void WIDGETGROUP_camera_setup(const bContext C, wmManipulatorGroup mgroup)		static void WIDGETGROUP_camera_setup(const bContext C, wmManipulatorGroup mgroup)
{		{
Object *ob = CTX_data_active_object(C);		Object *ob = CTX_data_active_object(C);
Camera *ca = ob->data;
float dir[3];		float dir[3];

const wmManipulatorType *wt_arrow = WM_manipulatortype_find("MANIPULATOR_WT_arrow_3d", true);		const wmManipulatorType *wt_arrow = WM_manipulatortype_find("MANIPULATOR_WT_arrow_3d", true);

struct CameraWidgetGroup *camgroup = MEM_callocN(sizeof(struct CameraWidgetGroup), __func__);		struct CameraWidgetGroup *camgroup = MEM_callocN(sizeof(struct CameraWidgetGroup), __func__);
mgroup->customdata = camgroup;		mgroup->customdata = camgroup;

negate_v3_v3(dir, ob->obmat[2]);		negate_v3_v3(dir, ob->obmat[2]);
Show All 15 Lines	* - logic/calculations are similar to BKE_camera_view_frame_ex, better keep in sync */
wmManipulator *mpr;		wmManipulator *mpr;
mpr = camgroup->focal_len = WM_manipulator_new_ptr(wt_arrow, mgroup, NULL);		mpr = camgroup->focal_len = WM_manipulator_new_ptr(wt_arrow, mgroup, NULL);
mpr->flag \|= WM_MANIPULATOR_DRAW_NO_SCALE;		mpr->flag \|= WM_MANIPULATOR_DRAW_NO_SCALE;
RNA_enum_set(mpr->ptr, "draw_style", ED_MANIPULATOR_ARROW_STYLE_CONE);		RNA_enum_set(mpr->ptr, "draw_style", ED_MANIPULATOR_ARROW_STYLE_CONE);
RNA_enum_set(mpr->ptr, "draw_options", ED_MANIPULATOR_ARROW_STYLE_CONSTRAINED);		RNA_enum_set(mpr->ptr, "draw_options", ED_MANIPULATOR_ARROW_STYLE_CONSTRAINED);

UI_GetThemeColor3fv(TH_MANIPULATOR_PRIMARY, mpr->color);		UI_GetThemeColor3fv(TH_MANIPULATOR_PRIMARY, mpr->color);
UI_GetThemeColor3fv(TH_MANIPULATOR_HI, mpr->color_hi);		UI_GetThemeColor3fv(TH_MANIPULATOR_HI, mpr->color_hi);
cameragroup_property_setup(mpr, ob, ca, false);

mpr = camgroup->ortho_scale = WM_manipulator_new_ptr(wt_arrow, mgroup, NULL);		mpr = camgroup->ortho_scale = WM_manipulator_new_ptr(wt_arrow, mgroup, NULL);
mpr->flag \|= WM_MANIPULATOR_DRAW_NO_SCALE;		mpr->flag \|= WM_MANIPULATOR_DRAW_NO_SCALE;
RNA_enum_set(mpr->ptr, "draw_style", ED_MANIPULATOR_ARROW_STYLE_CONE);		RNA_enum_set(mpr->ptr, "draw_style", ED_MANIPULATOR_ARROW_STYLE_CONE);
RNA_enum_set(mpr->ptr, "draw_options", ED_MANIPULATOR_ARROW_STYLE_CONSTRAINED);		RNA_enum_set(mpr->ptr, "draw_options", ED_MANIPULATOR_ARROW_STYLE_CONSTRAINED);

UI_GetThemeColor3fv(TH_MANIPULATOR_PRIMARY, mpr->color);		UI_GetThemeColor3fv(TH_MANIPULATOR_PRIMARY, mpr->color);
UI_GetThemeColor3fv(TH_MANIPULATOR_HI, mpr->color_hi);		UI_GetThemeColor3fv(TH_MANIPULATOR_HI, mpr->color_hi);
cameragroup_property_setup(mpr, ob, ca, true);
}		}
}		}

static void WIDGETGROUP_camera_refresh(const bContext C, wmManipulatorGroup mgroup)		static void WIDGETGROUP_camera_refresh(const bContext C, wmManipulatorGroup mgroup)
{		{
if (!mgroup->customdata)		if (!mgroup->customdata)
return;		return;

struct CameraWidgetGroup *camgroup = mgroup->customdata;		struct CameraWidgetGroup *camgroup = mgroup->customdata;
Object *ob = CTX_data_active_object(C);		Object *ob = CTX_data_active_object(C);
Camera *ca = ob->data;		Camera *ca = ob->data;
PointerRNA camera_ptr;		PointerRNA camera_ptr;
float dir[3];		float dir[3];

		const float ob_scale_inv[3] = {
		1.0f / len_v3(ob->obmat[0]),
		1.0f / len_v3(ob->obmat[1]),
		1.0f / len_v3(ob->obmat[2]),
		};
		const float ob_scale_uniform_inv = (ob_scale_inv[0] + ob_scale_inv[1] + ob_scale_inv[2]) / 3.0f;

RNA_pointer_create(&ca->id, &RNA_Camera, ca, &camera_ptr);		RNA_pointer_create(&ca->id, &RNA_Camera, ca, &camera_ptr);

negate_v3_v3(dir, ob->obmat[2]);		negate_v3_v3(dir, ob->obmat[2]);

if (ca->flag & CAM_SHOWLIMITS) {		if (ca->flag & CAM_SHOWLIMITS) {
WM_manipulator_set_matrix_location(camgroup->dop_dist, ob->obmat[3]);		WM_manipulator_set_matrix_location(camgroup->dop_dist, ob->obmat[3]);
WM_manipulator_set_matrix_rotation_from_yz_axis(camgroup->dop_dist, ob->obmat[1], dir);		WM_manipulator_set_matrix_rotation_from_yz_axis(camgroup->dop_dist, ob->obmat[1], dir);
WM_manipulator_set_scale(camgroup->dop_dist, ca->drawsize);		WM_manipulator_set_scale(camgroup->dop_dist, ca->drawsize);
WM_manipulator_set_flag(camgroup->dop_dist, WM_MANIPULATOR_HIDDEN, false);		WM_manipulator_set_flag(camgroup->dop_dist, WM_MANIPULATOR_HIDDEN, false);

/* need to set property here for undo. TODO would prefer to do this in _init */		/* need to set property here for undo. TODO would prefer to do this in _init */
WM_manipulator_target_property_def_rna(camgroup->dop_dist, "offset", &camera_ptr, "dof_distance", -1);		WM_manipulator_target_property_def_rna(camgroup->dop_dist, "offset", &camera_ptr, "dof_distance", -1);
}		}
else {		else {
WM_manipulator_set_flag(camgroup->dop_dist, WM_MANIPULATOR_HIDDEN, true);		WM_manipulator_set_flag(camgroup->dop_dist, WM_MANIPULATOR_HIDDEN, true);
}		}

/* TODO - make focal length/ortho scale widget optional */		/* TODO - make focal length/ortho ob_scale_inv widget optional */
if (true) {		if (true) {
const bool is_ortho = (ca->type == CAM_ORTHO);		const bool is_ortho = (ca->type == CAM_ORTHO);
float offset[3];		float offset[3];
float aspect[2];		float aspect[2];

wmManipulator *widget = is_ortho ? camgroup->ortho_scale : camgroup->focal_len;		wmManipulator *widget = is_ortho ? camgroup->ortho_scale : camgroup->focal_len;
WM_manipulator_set_flag(widget, WM_MANIPULATOR_HIDDEN, false);		WM_manipulator_set_flag(widget, WM_MANIPULATOR_HIDDEN, false);
WM_manipulator_set_flag(is_ortho ? camgroup->focal_len : camgroup->ortho_scale, WM_MANIPULATOR_HIDDEN, true);		WM_manipulator_set_flag(is_ortho ? camgroup->focal_len : camgroup->ortho_scale, WM_MANIPULATOR_HIDDEN, true);
Show All 11 Lines	if (true) {
const int sensor_fit = BKE_camera_sensor_fit(ca->sensor_fit, aspx, aspy);		const int sensor_fit = BKE_camera_sensor_fit(ca->sensor_fit, aspx, aspy);
aspect[0] = (sensor_fit == CAMERA_SENSOR_FIT_HOR) ? 1.0f : aspx / aspy;		aspect[0] = (sensor_fit == CAMERA_SENSOR_FIT_HOR) ? 1.0f : aspx / aspy;
aspect[1] = (sensor_fit == CAMERA_SENSOR_FIT_HOR) ? aspy / aspx : 1.0f;		aspect[1] = (sensor_fit == CAMERA_SENSOR_FIT_HOR) ? aspy / aspx : 1.0f;

unit_m4(widget->matrix_basis);		unit_m4(widget->matrix_basis);
WM_manipulator_set_matrix_location(widget, ob->obmat[3]);		WM_manipulator_set_matrix_location(widget, ob->obmat[3]);
WM_manipulator_set_matrix_rotation_from_yz_axis(widget, ob->obmat[1], dir);		WM_manipulator_set_matrix_rotation_from_yz_axis(widget, ob->obmat[1], dir);

{
float scale_matrix;		float scale_matrix;
		{
if (is_ortho) {		if (is_ortho) {
scale_matrix = ca->ortho_scale * 0.5f;		scale_matrix = ca->ortho_scale * 0.5f;
}		}
else {		else {
const float scale[3] = {		scale_matrix = ca->drawsize / ob_scale_uniform_inv;
1.0f / len_v3(ob->obmat[0]),
1.0f / len_v3(ob->obmat[1]),
1.0f / len_v3(ob->obmat[2]),
};
scale_matrix = ca->drawsize / ((scale[0] + scale[1] + scale[2]) / 3.0f);
}		}
mul_v3_fl(widget->matrix_basis[0], scale_matrix);		mul_v3_fl(widget->matrix_basis[0], scale_matrix);
mul_v3_fl(widget->matrix_basis[1], scale_matrix);		mul_v3_fl(widget->matrix_basis[1], scale_matrix);
}		}

RNA_float_set_array(widget->ptr, "aspect", aspect);		RNA_float_set_array(widget->ptr, "aspect", aspect);

WM_manipulator_set_matrix_offset_location(widget, offset);		WM_manipulator_set_matrix_offset_location(widget, offset);

		const char *propname = is_ortho ? "ortho_scale" : "lens";
		PropertyRNA *prop = RNA_struct_find_property(&camera_ptr, propname);
		const wmManipulatorPropertyType *mpr_prop_type = WM_manipulatortype_target_property_find(widget->type, "offset");

		{
		WM_manipulator_target_property_clear_rna_ptr(widget, mpr_prop_type);

		const float half_sensor = 0.5f * ((ca->sensor_fit == CAMERA_SENSOR_FIT_VERT) ? ca->sensor_y : ca->sensor_x);
		float min, max, range;
		float step, precision;

		/* get property range */
		RNA_property_float_ui_range(&camera_ptr, prop, &min, &max, &step, &precision);
		range = max - min;

		ED_manipulator_arrow3d_set_range_fac(
		widget, is_ortho ?
		(ca->drawsize * range) :
		(scale_matrix * range / half_sensor));

		}

/* need to set property here for undo. TODO would prefer to do this in _init */		/* need to set property here for undo. TODO would prefer to do this in _init */
WM_manipulator_target_property_def_rna(camgroup->focal_len, "offset", &camera_ptr, "lens", -1);		WM_manipulator_target_property_def_rna_ptr(widget, mpr_prop_type, &camera_ptr, prop, -1);
WM_manipulator_target_property_def_rna(camgroup->ortho_scale, "offset", &camera_ptr, "ortho_scale", -1);		}
		}

		static void WIDGETGROUP_camera_draw_prepare(const bContext C, wmManipulatorGroup mgroup)
		{
		struct CameraWidgetGroup *camgroup = mgroup->customdata;
		ARegion *ar = CTX_wm_region(C);
		Object *ob = CTX_data_active_object(C);
		Camera *ca = ob->data;

		const bool is_ortho = (ca->type == CAM_ORTHO);

		wmManipulator *mpr = is_ortho ? camgroup->ortho_scale : camgroup->focal_len;

		/* explicit property use */
		struct wmMsgBus *mbus = CTX_wm_message_bus(C);

		wmMsgSubscribeValue msg_sub_value_mpr_tag_refresh = {
		.owner = ar,
		.user_data = mpr->parent_mgroup->parent_mmap,
		.notify = WM_manipulator_do_msg_notify_tag_refresh,
		};

		{
		extern PropertyRNA rna_Camera_dof_distance;
		extern PropertyRNA rna_Camera_draw_size;
		extern PropertyRNA rna_Camera_ortho_scale;
		extern PropertyRNA rna_Camera_sensor_fit;
		extern PropertyRNA rna_Camera_sensor_width;
		extern PropertyRNA rna_Camera_shift_x;
		extern PropertyRNA rna_Camera_shift_y;
		extern PropertyRNA rna_Camera_type;
		const PropertyRNA *props[] = {
		&rna_Camera_dof_distance,
		&rna_Camera_draw_size,
		&rna_Camera_ortho_scale,
		&rna_Camera_sensor_fit,
		&rna_Camera_sensor_width,
		&rna_Camera_shift_x,
		&rna_Camera_shift_y,
		&rna_Camera_type,
		};

		PointerRNA idptr;
		RNA_id_pointer_create(&ca->id, &idptr);

		for (int i = 0; i < ARRAY_SIZE(props); i++) {
		WM_msg_subscribe_rna(mbus, &idptr, props[i], &msg_sub_value_mpr_tag_refresh);
		}
		}

		/* Subscribe to render settings */
		{
		WM_msg_subscribe_rna_anon_prop(mbus, RenderSettings, resolution_x, &msg_sub_value_mpr_tag_refresh);
		WM_msg_subscribe_rna_anon_prop(mbus, RenderSettings, resolution_y, &msg_sub_value_mpr_tag_refresh);
		WM_msg_subscribe_rna_anon_prop(mbus, RenderSettings, pixel_aspect_x, &msg_sub_value_mpr_tag_refresh);
		WM_msg_subscribe_rna_anon_prop(mbus, RenderSettings, pixel_aspect_y, &msg_sub_value_mpr_tag_refresh);
}		}
}		}

void VIEW3D_WGT_camera(wmManipulatorGroupType *wgt)		void VIEW3D_WGT_camera(wmManipulatorGroupType *wgt)
{		{
wgt->name = "Camera Widgets";		wgt->name = "Camera Widgets";
wgt->idname = "VIEW3D_WGT_camera";		wgt->idname = "VIEW3D_WGT_camera";

wgt->flag = (WM_MANIPULATORGROUPTYPE_PERSISTENT \|		wgt->flag = (WM_MANIPULATORGROUPTYPE_PERSISTENT \|
WM_MANIPULATORGROUPTYPE_3D \|		WM_MANIPULATORGROUPTYPE_3D \|
WM_MANIPULATORGROUPTYPE_DEPTH_3D);		WM_MANIPULATORGROUPTYPE_DEPTH_3D);

wgt->poll = WIDGETGROUP_camera_poll;		wgt->poll = WIDGETGROUP_camera_poll;
wgt->setup = WIDGETGROUP_camera_setup;		wgt->setup = WIDGETGROUP_camera_setup;
wgt->refresh = WIDGETGROUP_camera_refresh;		wgt->refresh = WIDGETGROUP_camera_refresh;
		wgt->draw_prepare = WIDGETGROUP_camera_draw_prepare;
}		}

/** \} */		/** \} */

/* -------------------------------------------------------------------- */		/* -------------------------------------------------------------------- */

/** \name CameraView Manipulators		/** \name CameraView Manipulators
* \{ */		* \{ */
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