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blender-archive/source/blender/editors/space_view3d/view3d_view.c
Campbell Barton 91346755ce Cleanup: use '#' prefix for issues instead of 'T' 
Match the convention from Gitea instead of Phabricator's T for tasks.
2023-02-12 14:56:05 +11:00

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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2008 Blender Foundation. All rights reserved. */
/** \file
* \ingroup spview3d
*/
#include "MEM_guardedalloc.h"
#include "BLI_linklist.h"
#include "BLI_listbase.h"
#include "BLI_math.h"
#include "BLI_rect.h"
#include "BKE_action.h"
#include "BKE_context.h"
#include "BKE_global.h"
#include "BKE_gpencil_modifier.h"
#include "BKE_idprop.h"
#include "BKE_layer.h"
#include "BKE_lib_id.h"
#include "BKE_main.h"
#include "BKE_modifier.h"
#include "BKE_object.h"
#include "BKE_report.h"
#include "BKE_scene.h"
#include "DEG_depsgraph_query.h"
#include "UI_resources.h"
#include "GPU_matrix.h"
#include "GPU_select.h"
#include "GPU_state.h"
#include "WM_api.h"
#include "ED_object.h"
#include "ED_screen.h"
#include "DRW_engine.h"
#include "RNA_access.h"
#include "RNA_define.h"
#include "view3d_intern.h" /* own include */
#include "view3d_navigate.h"
/* -------------------------------------------------------------------- */
/** \name Camera to View Operator
* \{ */
static int view3d_camera_to_view_exec(bContext *C, wmOperator *UNUSED(op))
{
const Depsgraph *depsgraph = CTX_data_ensure_evaluated_depsgraph(C);
View3D *v3d;
ARegion *region;
RegionView3D *rv3d;
ObjectTfmProtectedChannels obtfm;
ED_view3d_context_user_region(C, &v3d, &region);
rv3d = region->regiondata;
ED_view3d_lastview_store(rv3d);
BKE_object_tfm_protected_backup(v3d->camera, &obtfm);
ED_view3d_to_object(depsgraph, v3d->camera, rv3d->ofs, rv3d->viewquat, rv3d->dist);
BKE_object_tfm_protected_restore(v3d->camera, &obtfm, v3d->camera->protectflag);
DEG_id_tag_update(&v3d->camera->id, ID_RECALC_TRANSFORM);
rv3d->persp = RV3D_CAMOB;
WM_event_add_notifier(C, NC_OBJECT | ND_TRANSFORM, v3d->camera);
return OPERATOR_FINISHED;
}
static bool view3d_camera_to_view_poll(bContext *C)
{
View3D *v3d;
ARegion *region;
if (ED_view3d_context_user_region(C, &v3d, &region)) {
RegionView3D *rv3d = region->regiondata;
if (v3d && v3d->camera && BKE_id_is_editable(CTX_data_main(C), &v3d->camera->id)) {
if (rv3d && (RV3D_LOCK_FLAGS(rv3d) & RV3D_LOCK_ANY_TRANSFORM) == 0) {
if (rv3d->persp != RV3D_CAMOB) {
return true;
}
}
}
}
return false;
}
void VIEW3D_OT_camera_to_view(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Align Camera to View";
ot->description = "Set camera view to active view";
ot->idname = "VIEW3D_OT_camera_to_view";
/* api callbacks */
ot->exec = view3d_camera_to_view_exec;
ot->poll = view3d_camera_to_view_poll;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Camera Fit Frame to Selected Operator
* \{ */
/* unlike VIEW3D_OT_view_selected this is for framing a render and not
* meant to take into account vertex/bone selection for eg. */
static int view3d_camera_to_view_selected_exec(bContext *C, wmOperator *op)
{
Main *bmain = CTX_data_main(C);
Depsgraph *depsgraph = CTX_data_ensure_evaluated_depsgraph(C);
Scene *scene = CTX_data_scene(C);
View3D *v3d = CTX_wm_view3d(C); /* can be NULL */
Object *camera_ob = v3d ? v3d->camera : scene->camera;
if (camera_ob == NULL) {
BKE_report(op->reports, RPT_ERROR, "No active camera");
return OPERATOR_CANCELLED;
}
if (ED_view3d_camera_to_view_selected(bmain, depsgraph, scene, camera_ob)) {
WM_event_add_notifier(C, NC_OBJECT | ND_TRANSFORM, camera_ob);
return OPERATOR_FINISHED;
}
return OPERATOR_CANCELLED;
}
void VIEW3D_OT_camera_to_view_selected(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Camera Fit Frame to Selected";
ot->description = "Move the camera so selected objects are framed";
ot->idname = "VIEW3D_OT_camera_to_view_selected";
/* api callbacks */
ot->exec = view3d_camera_to_view_selected_exec;
ot->poll = ED_operator_scene_editable;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Object as Camera Operator
* \{ */
static void sync_viewport_camera_smoothview(bContext *C,
View3D *v3d,
Object *ob,
const int smooth_viewtx)
{
Main *bmain = CTX_data_main(C);
for (bScreen *screen = bmain->screens.first; screen != NULL; screen = screen->id.next) {
for (ScrArea *area = screen->areabase.first; area != NULL; area = area->next) {
for (SpaceLink *space_link = area->spacedata.first; space_link != NULL;
space_link = space_link->next) {
if (space_link->spacetype == SPACE_VIEW3D) {
View3D *other_v3d = (View3D *)space_link;
if (other_v3d == v3d) {
continue;
}
if (other_v3d->camera == ob) {
continue;
}
if (v3d->scenelock) {
ListBase *lb = (space_link == area->spacedata.first) ? &area->regionbase :
&space_link->regionbase;
for (ARegion *other_region = lb->first; other_region != NULL;
other_region = other_region->next) {
if (other_region->regiontype == RGN_TYPE_WINDOW) {
if (other_region->regiondata) {
RegionView3D *other_rv3d = other_region->regiondata;
if (other_rv3d->persp == RV3D_CAMOB) {
Object *other_camera_old = other_v3d->camera;
other_v3d->camera = ob;
ED_view3d_lastview_store(other_rv3d);
ED_view3d_smooth_view(C,
other_v3d,
other_region,
smooth_viewtx,
&(const V3D_SmoothParams){
.camera_old = other_camera_old,
.camera = other_v3d->camera,
.ofs = other_rv3d->ofs,
.quat = other_rv3d->viewquat,
.dist = &other_rv3d->dist,
.lens = &other_v3d->lens,
/* No undo because this switches cameras. */
.undo_str = NULL,
});
}
else {
other_v3d->camera = ob;
}
}
}
}
}
}
}
}
}
}
static int view3d_setobjectascamera_exec(bContext *C, wmOperator *op)
{
View3D *v3d;
ARegion *region;
RegionView3D *rv3d;
Scene *scene = CTX_data_scene(C);
Object *ob = CTX_data_active_object(C);
const int smooth_viewtx = WM_operator_smooth_viewtx_get(op);
/* no NULL check is needed, poll checks */
ED_view3d_context_user_region(C, &v3d, &region);
rv3d = region->regiondata;
if (ob) {
Object *camera_old = (rv3d->persp == RV3D_CAMOB) ? V3D_CAMERA_SCENE(scene, v3d) : NULL;
rv3d->persp = RV3D_CAMOB;
v3d->camera = ob;
if (v3d->scenelock && scene->camera != ob) {
scene->camera = ob;
DEG_id_tag_update(&scene->id, ID_RECALC_COPY_ON_WRITE);
}
/* unlikely but looks like a glitch when set to the same */
if (camera_old != ob) {
ED_view3d_lastview_store(rv3d);
ED_view3d_smooth_view(C,
v3d,
region,
smooth_viewtx,
&(const V3D_SmoothParams){
.camera_old = camera_old,
.camera = v3d->camera,
.ofs = rv3d->ofs,
.quat = rv3d->viewquat,
.dist = &rv3d->dist,
.lens = &v3d->lens,
/* No undo because this switches cameras. */
.undo_str = NULL,
});
}
if (v3d->scenelock) {
sync_viewport_camera_smoothview(C, v3d, ob, smooth_viewtx);
WM_event_add_notifier(C, NC_SCENE, scene);
}
WM_event_add_notifier(C, NC_OBJECT | ND_DRAW, scene);
}
return OPERATOR_FINISHED;
}
bool ED_operator_rv3d_user_region_poll(bContext *C)
{
View3D *v3d_dummy;
ARegion *region_dummy;
return ED_view3d_context_user_region(C, &v3d_dummy, &region_dummy);
}
void VIEW3D_OT_object_as_camera(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Set Active Object as Camera";
ot->description = "Set the active object as the active camera for this view or scene";
ot->idname = "VIEW3D_OT_object_as_camera";
/* api callbacks */
ot->exec = view3d_setobjectascamera_exec;
ot->poll = ED_operator_rv3d_user_region_poll;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Window and View Matrix Calculation
* \{ */
void view3d_winmatrix_set(Depsgraph *depsgraph,
ARegion *region,
const View3D *v3d,
const rcti *rect)
{
RegionView3D *rv3d = region->regiondata;
rctf full_viewplane;
float clipsta, clipend;
bool is_ortho;
is_ortho = ED_view3d_viewplane_get(
depsgraph, v3d, rv3d, region->winx, region->winy, &full_viewplane, &clipsta, &clipend, NULL);
rv3d->is_persp = !is_ortho;
#if 0
printf("%s: %d %d %f %f %f %f %f %f\n",
__func__,
winx,
winy,
full_viewplane.xmin,
full_viewplane.ymin,
full_viewplane.xmax,
full_viewplane.ymax,
clipsta,
clipend);
#endif
/* Note the code here was tweaked to avoid an apparent compiler bug in clang 13 (see #91680). */
rctf viewplane;
if (rect) {
/* Smaller viewplane subset for selection picking. */
viewplane.xmin = full_viewplane.xmin +
(BLI_rctf_size_x(&full_viewplane) * (rect->xmin / (float)region->winx));
viewplane.ymin = full_viewplane.ymin +
(BLI_rctf_size_y(&full_viewplane) * (rect->ymin / (float)region->winy));
viewplane.xmax = full_viewplane.xmin +
(BLI_rctf_size_x(&full_viewplane) * (rect->xmax / (float)region->winx));
viewplane.ymax = full_viewplane.ymin +
(BLI_rctf_size_y(&full_viewplane) * (rect->ymax / (float)region->winy));
}
else {
viewplane = full_viewplane;
}
if (is_ortho) {
GPU_matrix_ortho_set(
viewplane.xmin, viewplane.xmax, viewplane.ymin, viewplane.ymax, clipsta, clipend);
}
else {
GPU_matrix_frustum_set(
viewplane.xmin, viewplane.xmax, viewplane.ymin, viewplane.ymax, clipsta, clipend);
}
/* update matrix in 3d view region */
GPU_matrix_projection_get(rv3d->winmat);
}
static void obmat_to_viewmat(RegionView3D *rv3d, Object *ob)
{
float bmat[4][4];
rv3d->view = RV3D_VIEW_USER; /* don't show the grid */
normalize_m4_m4(bmat, ob->object_to_world);
invert_m4_m4(rv3d->viewmat, bmat);
/* view quat calculation, needed for add object */
mat4_normalized_to_quat(rv3d->viewquat, rv3d->viewmat);
}
void view3d_viewmatrix_set(Depsgraph *depsgraph,
const Scene *scene,
const View3D *v3d,
RegionView3D *rv3d,
const float rect_scale[2])
{
if (rv3d->persp == RV3D_CAMOB) { /* obs/camera */
if (v3d->camera) {
Object *ob_camera_eval = DEG_get_evaluated_object(depsgraph, v3d->camera);
obmat_to_viewmat(rv3d, ob_camera_eval);
}
else {
quat_to_mat4(rv3d->viewmat, rv3d->viewquat);
rv3d->viewmat[3][2] -= rv3d->dist;
}
}
else {
bool use_lock_ofs = false;
/* should be moved to better initialize later on XXX */
if (RV3D_LOCK_FLAGS(rv3d) & RV3D_LOCK_ROTATION) {
ED_view3d_lock(rv3d);
}
quat_to_mat4(rv3d->viewmat, rv3d->viewquat);
if (rv3d->persp == RV3D_PERSP) {
rv3d->viewmat[3][2] -= rv3d->dist;
}
if (v3d->ob_center) {
Object *ob_eval = DEG_get_evaluated_object(depsgraph, v3d->ob_center);
float vec[3];
copy_v3_v3(vec, ob_eval->object_to_world[3]);
if (ob_eval->type == OB_ARMATURE && v3d->ob_center_bone[0]) {
bPoseChannel *pchan = BKE_pose_channel_find_name(ob_eval->pose, v3d->ob_center_bone);
if (pchan) {
copy_v3_v3(vec, pchan->pose_mat[3]);
mul_m4_v3(ob_eval->object_to_world, vec);
}
}
translate_m4(rv3d->viewmat, -vec[0], -vec[1], -vec[2]);
use_lock_ofs = true;
}
else if (v3d->ob_center_cursor) {
float vec[3];
copy_v3_v3(vec, scene->cursor.location);
translate_m4(rv3d->viewmat, -vec[0], -vec[1], -vec[2]);
use_lock_ofs = true;
}
else {
translate_m4(rv3d->viewmat, rv3d->ofs[0], rv3d->ofs[1], rv3d->ofs[2]);
}
/* lock offset */
if (use_lock_ofs) {
float persmat[4][4], persinv[4][4];
float vec[3];
/* we could calculate the real persmat/persinv here
* but it would be unreliable so better to later */
mul_m4_m4m4(persmat, rv3d->winmat, rv3d->viewmat);
invert_m4_m4(persinv, persmat);
mul_v2_v2fl(vec, rv3d->ofs_lock, rv3d->is_persp ? rv3d->dist : 1.0f);
vec[2] = 0.0f;
if (rect_scale) {
/* Since 'RegionView3D.winmat' has been calculated and this function doesn't take the
* 'ARegion' we don't know about the region size.
* Use 'rect_scale' when drawing a sub-region to apply 2D offset,
* scaled by the difference between the sub-region and the region size.
*/
vec[0] /= rect_scale[0];
vec[1] /= rect_scale[1];
}
mul_mat3_m4_v3(persinv, vec);
translate_m4(rv3d->viewmat, vec[0], vec[1], vec[2]);
}
/* end lock offset */
}
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name OpenGL Select Utilities
* \{ */
void view3d_opengl_select_cache_begin(void)
{
GPU_select_cache_begin();
}
void view3d_opengl_select_cache_end(void)
{
GPU_select_cache_end();
}
struct DrawSelectLoopUserData {
uint pass;
uint hits;
GPUSelectResult *buffer;
uint buffer_len;
const rcti *rect;
eGPUSelectMode gpu_select_mode;
};
static bool drw_select_loop_pass(eDRWSelectStage stage, void *user_data)
{
bool continue_pass = false;
struct DrawSelectLoopUserData *data = user_data;
if (stage == DRW_SELECT_PASS_PRE) {
GPU_select_begin(
data->buffer, data->buffer_len, data->rect, data->gpu_select_mode, data->hits);
/* always run POST after PRE. */
continue_pass = true;
}
else if (stage == DRW_SELECT_PASS_POST) {
int hits = GPU_select_end();
if (data->pass == 0) {
/* quirk of GPU_select_end, only take hits value from first call. */
data->hits = hits;
}
if (data->gpu_select_mode == GPU_SELECT_NEAREST_FIRST_PASS) {
data->gpu_select_mode = GPU_SELECT_NEAREST_SECOND_PASS;
continue_pass = (hits > 0);
}
data->pass += 1;
}
else {
BLI_assert(0);
}
return continue_pass;
}
eV3DSelectObjectFilter ED_view3d_select_filter_from_mode(const Scene *scene, const Object *obact)
{
if (scene->toolsettings->object_flag & SCE_OBJECT_MODE_LOCK) {
if (obact && (obact->mode & OB_MODE_ALL_WEIGHT_PAINT) &&
BKE_object_pose_armature_get((Object *)obact)) {
return VIEW3D_SELECT_FILTER_WPAINT_POSE_MODE_LOCK;
}
return VIEW3D_SELECT_FILTER_OBJECT_MODE_LOCK;
}
return VIEW3D_SELECT_FILTER_NOP;
}
/** Implement #VIEW3D_SELECT_FILTER_OBJECT_MODE_LOCK. */
static bool drw_select_filter_object_mode_lock(Object *ob, void *user_data)
{
const Object *obact = user_data;
return BKE_object_is_mode_compat(ob, obact->mode);
}
/**
* Implement #VIEW3D_SELECT_FILTER_WPAINT_POSE_MODE_LOCK for special case when
* we want to select pose bones (this doesn't switch modes).
*/
static bool drw_select_filter_object_mode_lock_for_weight_paint(Object *ob, void *user_data)
{
LinkNode *ob_pose_list = user_data;
return ob_pose_list && (BLI_linklist_index(ob_pose_list, DEG_get_original_object(ob)) != -1);
}
int view3d_opengl_select_ex(ViewContext *vc,
GPUSelectResult *buffer,
uint buffer_len,
const rcti *input,
eV3DSelectMode select_mode,
eV3DSelectObjectFilter select_filter,
const bool do_material_slot_selection)
{
struct bThemeState theme_state;
const wmWindowManager *wm = CTX_wm_manager(vc->C);
Depsgraph *depsgraph = vc->depsgraph;
Scene *scene = vc->scene;
View3D *v3d = vc->v3d;
ARegion *region = vc->region;
rcti rect;
int hits = 0;
BKE_view_layer_synced_ensure(scene, vc->view_layer);
const bool use_obedit_skip = (BKE_view_layer_edit_object_get(vc->view_layer) != NULL) &&
(vc->obedit == NULL);
const bool is_pick_select = (U.gpu_flag & USER_GPU_FLAG_NO_DEPT_PICK) == 0;
const bool do_passes = ((is_pick_select == false) &&
(select_mode == VIEW3D_SELECT_PICK_NEAREST));
const bool use_nearest = (is_pick_select && select_mode == VIEW3D_SELECT_PICK_NEAREST);
bool draw_surface = true;
eGPUSelectMode gpu_select_mode;
/* case not a box select */
if (input->xmin == input->xmax) {
/* seems to be default value for bones only now */
BLI_rcti_init_pt_radius(&rect, (const int[2]){input->xmin, input->ymin}, 12);
}
else {
rect = *input;
}
if (is_pick_select) {
if (select_mode == VIEW3D_SELECT_PICK_NEAREST) {
gpu_select_mode = GPU_SELECT_PICK_NEAREST;
}
else if (select_mode == VIEW3D_SELECT_PICK_ALL) {
gpu_select_mode = GPU_SELECT_PICK_ALL;
}
else {
gpu_select_mode = GPU_SELECT_ALL;
}
}
else {
if (do_passes) {
gpu_select_mode = GPU_SELECT_NEAREST_FIRST_PASS;
}
else {
gpu_select_mode = GPU_SELECT_ALL;
}
}
/* Re-use cache (rect must be smaller than the cached)
* other context is assumed to be unchanged */
if (GPU_select_is_cached()) {
GPU_select_begin(buffer, buffer_len, &rect, gpu_select_mode, 0);
GPU_select_cache_load_id();
hits = GPU_select_end();
goto finally;
}
/* Important to use 'vc->obact', not 'BKE_view_layer_active_object_get(vc->view_layer)' below,
* so it will be NULL when hidden. */
struct {
DRW_ObjectFilterFn fn;
void *user_data;
} object_filter = {NULL, NULL};
switch (select_filter) {
case VIEW3D_SELECT_FILTER_OBJECT_MODE_LOCK: {
Object *obact = vc->obact;
if (obact && obact->mode != OB_MODE_OBJECT) {
object_filter.fn = drw_select_filter_object_mode_lock;
object_filter.user_data = obact;
}
break;
}
case VIEW3D_SELECT_FILTER_WPAINT_POSE_MODE_LOCK: {
Object *obact = vc->obact;
BLI_assert(obact && (obact->mode & OB_MODE_ALL_WEIGHT_PAINT));
/* While this uses 'alloca' in a loop (which we typically avoid),
* the number of items is nearly always 1, maybe 2..3 in rare cases. */
LinkNode *ob_pose_list = NULL;
if (obact->type == OB_GPENCIL) {
GpencilVirtualModifierData virtualModifierData;
const GpencilModifierData *md = BKE_gpencil_modifiers_get_virtual_modifierlist(
obact, &virtualModifierData);
for (; md; md = md->next) {
if (md->type == eGpencilModifierType_Armature) {
ArmatureGpencilModifierData *agmd = (ArmatureGpencilModifierData *)md;
if (agmd->object && (agmd->object->mode & OB_MODE_POSE)) {
BLI_linklist_prepend_alloca(&ob_pose_list, agmd->object);
}
}
}
}
else {
VirtualModifierData virtualModifierData;
const ModifierData *md = BKE_modifiers_get_virtual_modifierlist(obact,
&virtualModifierData);
for (; md; md = md->next) {
if (md->type == eModifierType_Armature) {
ArmatureModifierData *amd = (ArmatureModifierData *)md;
if (amd->object && (amd->object->mode & OB_MODE_POSE)) {
BLI_linklist_prepend_alloca(&ob_pose_list, amd->object);
}
}
}
}
object_filter.fn = drw_select_filter_object_mode_lock_for_weight_paint;
object_filter.user_data = ob_pose_list;
break;
}
case VIEW3D_SELECT_FILTER_NOP:
break;
}
/* Tools may request depth outside of regular drawing code. */
UI_Theme_Store(&theme_state);
UI_SetTheme(SPACE_VIEW3D, RGN_TYPE_WINDOW);
/* All of the queries need to be perform on the drawing context. */
DRW_opengl_context_enable();
G.f |= G_FLAG_PICKSEL;
/* Important we use the 'viewmat' and don't re-calculate since
* the object & bone view locking takes 'rect' into account, see: #51629. */
ED_view3d_draw_setup_view(
wm, vc->win, depsgraph, scene, region, v3d, vc->rv3d->viewmat, NULL, &rect);
if (!XRAY_ACTIVE(v3d)) {
GPU_depth_test(GPU_DEPTH_LESS_EQUAL);
}
/* If in xray mode, we select the wires in priority. */
if (XRAY_ACTIVE(v3d) && use_nearest) {
/* We need to call "GPU_select_*" API's inside DRW_draw_select_loop
* because the OpenGL context created & destroyed inside this function. */
struct DrawSelectLoopUserData drw_select_loop_user_data = {
.pass = 0,
.hits = 0,
.buffer = buffer,
.buffer_len = buffer_len,
.rect = &rect,
.gpu_select_mode = gpu_select_mode,
};
draw_surface = false;
DRW_draw_select_loop(depsgraph,
region,
v3d,
use_obedit_skip,
draw_surface,
use_nearest,
do_material_slot_selection,
&rect,
drw_select_loop_pass,
&drw_select_loop_user_data,
object_filter.fn,
object_filter.user_data);
hits = drw_select_loop_user_data.hits;
/* FIX: This cleanup the state before doing another selection pass.
* (see #56695) */
GPU_select_cache_end();
}
if (hits == 0) {
/* We need to call "GPU_select_*" API's inside DRW_draw_select_loop
* because the OpenGL context created & destroyed inside this function. */
struct DrawSelectLoopUserData drw_select_loop_user_data = {
.pass = 0,
.hits = 0,
.buffer = buffer,
.buffer_len = buffer_len,
.rect = &rect,
.gpu_select_mode = gpu_select_mode,
};
/* If are not in wireframe mode, we need to use the mesh surfaces to check for hits */
draw_surface = (v3d->shading.type > OB_WIRE) || !XRAY_ENABLED(v3d);
DRW_draw_select_loop(depsgraph,
region,
v3d,
use_obedit_skip,
draw_surface,
use_nearest,
do_material_slot_selection,
&rect,
drw_select_loop_pass,
&drw_select_loop_user_data,
object_filter.fn,
object_filter.user_data);
hits = drw_select_loop_user_data.hits;
}
G.f &= ~G_FLAG_PICKSEL;
ED_view3d_draw_setup_view(
wm, vc->win, depsgraph, scene, region, v3d, vc->rv3d->viewmat, NULL, NULL);
if (!XRAY_ACTIVE(v3d)) {
GPU_depth_test(GPU_DEPTH_NONE);
}
DRW_opengl_context_disable();
UI_Theme_Restore(&theme_state);
finally:
if (hits < 0) {
printf("Too many objects in select buffer\n"); /* XXX make error message */
}
return hits;
}
int view3d_opengl_select(ViewContext *vc,
GPUSelectResult *buffer,
uint buffer_len,
const rcti *input,
eV3DSelectMode select_mode,
eV3DSelectObjectFilter select_filter)
{
return view3d_opengl_select_ex(vc, buffer, buffer_len, input, select_mode, select_filter, false);
}
int view3d_opengl_select_with_id_filter(ViewContext *vc,
GPUSelectResult *buffer,
const uint buffer_len,
const rcti *input,
eV3DSelectMode select_mode,
eV3DSelectObjectFilter select_filter,
uint select_id)
{
int hits = view3d_opengl_select(vc, buffer, buffer_len, input, select_mode, select_filter);
/* Selection sometimes uses -1 for an invalid selection ID, remove these as they
* interfere with detection of actual number of hits in the selection. */
if (hits > 0) {
hits = GPU_select_buffer_remove_by_id(buffer, hits, select_id);
}
return hits;
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Local View Operators
* \{ */
static uint free_localview_bit(Main *bmain)
{
ScrArea *area;
bScreen *screen;
ushort local_view_bits = 0;
/* Sometimes we lose a local-view: when an area is closed.
* Check all areas: which local-views are in use? */
for (screen = bmain->screens.first; screen; screen = screen->id.next) {
for (area = screen->areabase.first; area; area = area->next) {
SpaceLink *sl = area->spacedata.first;
for (; sl; sl = sl->next) {
if (sl->spacetype == SPACE_VIEW3D) {
View3D *v3d = (View3D *)sl;
if (v3d->localvd) {
local_view_bits |= v3d->local_view_uuid;
}
}
}
}
}
for (int i = 0; i < 16; i++) {
if ((local_view_bits & (1 << i)) == 0) {
return (1 << i);
}
}
return 0;
}
static bool view3d_localview_init(const Depsgraph *depsgraph,
wmWindowManager *wm,
wmWindow *win,
Main *bmain,
const Scene *scene,
ViewLayer *view_layer,
ScrArea *area,
const bool frame_selected,
const int smooth_viewtx,
ReportList *reports)
{
View3D *v3d = area->spacedata.first;
float min[3], max[3], box[3];
float size = 0.0f;
uint local_view_bit;
bool ok = false;
if (v3d->localvd) {
return ok;
}
INIT_MINMAX(min, max);
local_view_bit = free_localview_bit(bmain);
if (local_view_bit == 0) {
/* TODO(dfelinto): We can kick one of the other 3D views out of local view
* specially if it is not being used. */
BKE_report(reports, RPT_ERROR, "No more than 16 local views");
ok = false;
}
else {
BKE_view_layer_synced_ensure(scene, view_layer);
Object *obedit = BKE_view_layer_edit_object_get(view_layer);
if (obedit) {
BKE_view_layer_synced_ensure(scene, view_layer);
LISTBASE_FOREACH (Base *, base, BKE_view_layer_object_bases_get(view_layer)) {
base->local_view_bits &= ~local_view_bit;
}
FOREACH_BASE_IN_EDIT_MODE_BEGIN (scene, view_layer, v3d, base_iter) {
BKE_object_minmax(base_iter->object, min, max, false);
base_iter->local_view_bits |= local_view_bit;
ok = true;
}
FOREACH_BASE_IN_EDIT_MODE_END;
}
else {
BKE_view_layer_synced_ensure(scene, view_layer);
LISTBASE_FOREACH (Base *, base, BKE_view_layer_object_bases_get(view_layer)) {
if (BASE_SELECTED(v3d, base)) {
BKE_object_minmax(base->object, min, max, false);
base->local_view_bits |= local_view_bit;
ok = true;
}
else {
base->local_view_bits &= ~local_view_bit;
}
}
}
sub_v3_v3v3(box, max, min);
size = max_fff(box[0], box[1], box[2]);
}
if (ok == false) {
return false;
}
ARegion *region;
v3d->localvd = MEM_mallocN(sizeof(View3D), "localview");
memcpy(v3d->localvd, v3d, sizeof(View3D));
v3d->local_view_uuid = local_view_bit;
for (region = area->regionbase.first; region; region = region->next) {
if (region->regiontype == RGN_TYPE_WINDOW) {
RegionView3D *rv3d = region->regiondata;
bool ok_dist = true;
/* New view values. */
Object *camera_old = NULL;
float dist_new, ofs_new[3];
rv3d->localvd = MEM_mallocN(sizeof(RegionView3D), "localview region");
memcpy(rv3d->localvd, rv3d, sizeof(RegionView3D));
if (frame_selected) {
float mid[3];
mid_v3_v3v3(mid, min, max);
negate_v3_v3(ofs_new, mid);
if (rv3d->persp == RV3D_CAMOB) {
rv3d->persp = RV3D_PERSP;
camera_old = v3d->camera;
}
if (rv3d->persp == RV3D_ORTHO) {
if (size < 0.0001f) {
ok_dist = false;
}
}
if (ok_dist) {
dist_new = ED_view3d_radius_to_dist(
v3d, region, depsgraph, rv3d->persp, true, (size / 2) * VIEW3D_MARGIN);
if (rv3d->persp == RV3D_PERSP) {
/* Don't zoom closer than the near clipping plane. */
dist_new = max_ff(dist_new, v3d->clip_start * 1.5f);
}
}
ED_view3d_smooth_view_ex(depsgraph,
wm,
win,
area,
v3d,
region,
smooth_viewtx,
&(const V3D_SmoothParams){
.camera_old = camera_old,
.ofs = ofs_new,
.quat = rv3d->viewquat,
.dist = ok_dist ? &dist_new : NULL,
.lens = &v3d->lens,
/* No undo because this doesn't move the camera. */
.undo_str = NULL,
});
}
}
}
return ok;
}
static void view3d_localview_exit(const Depsgraph *depsgraph,
wmWindowManager *wm,
wmWindow *win,
const Scene *scene,
ViewLayer *view_layer,
ScrArea *area,
const bool frame_selected,
const int smooth_viewtx)
{
View3D *v3d = area->spacedata.first;
if (v3d->localvd == NULL) {
return;
}
BKE_view_layer_synced_ensure(scene, view_layer);
LISTBASE_FOREACH (Base *, base, BKE_view_layer_object_bases_get(view_layer)) {
if (base->local_view_bits & v3d->local_view_uuid) {
base->local_view_bits &= ~v3d->local_view_uuid;
}
}
Object *camera_old = v3d->camera;
Object *camera_new = v3d->localvd->camera;
v3d->local_view_uuid = 0;
v3d->camera = v3d->localvd->camera;
MEM_freeN(v3d->localvd);
v3d->localvd = NULL;
MEM_SAFE_FREE(v3d->runtime.local_stats);
LISTBASE_FOREACH (ARegion *, region, &area->regionbase) {
if (region->regiontype == RGN_TYPE_WINDOW) {
RegionView3D *rv3d = region->regiondata;
if (rv3d->localvd == NULL) {
continue;
}
if (frame_selected) {
Object *camera_old_rv3d, *camera_new_rv3d;
camera_old_rv3d = (rv3d->persp == RV3D_CAMOB) ? camera_old : NULL;
camera_new_rv3d = (rv3d->localvd->persp == RV3D_CAMOB) ? camera_new : NULL;
rv3d->view = rv3d->localvd->view;
rv3d->persp = rv3d->localvd->persp;
rv3d->camzoom = rv3d->localvd->camzoom;
ED_view3d_smooth_view_ex(depsgraph,
wm,
win,
area,
v3d,
region,
smooth_viewtx,
&(const V3D_SmoothParams){
.camera_old = camera_old_rv3d,
.camera = camera_new_rv3d,
.ofs = rv3d->localvd->ofs,
.quat = rv3d->localvd->viewquat,
.dist = &rv3d->localvd->dist,
/* No undo because this doesn't move the camera. */
.undo_str = NULL,
});
}
MEM_freeN(rv3d->localvd);
rv3d->localvd = NULL;
}
}
}
static int localview_exec(bContext *C, wmOperator *op)
{
const Depsgraph *depsgraph = CTX_data_ensure_evaluated_depsgraph(C);
const int smooth_viewtx = WM_operator_smooth_viewtx_get(op);
wmWindowManager *wm = CTX_wm_manager(C);
wmWindow *win = CTX_wm_window(C);
Main *bmain = CTX_data_main(C);
Scene *scene = CTX_data_scene(C);
ViewLayer *view_layer = CTX_data_view_layer(C);
ScrArea *area = CTX_wm_area(C);
View3D *v3d = CTX_wm_view3d(C);
bool frame_selected = RNA_boolean_get(op->ptr, "frame_selected");
bool changed;
if (v3d->localvd) {
view3d_localview_exit(
depsgraph, wm, win, scene, view_layer, area, frame_selected, smooth_viewtx);
changed = true;
}
else {
changed = view3d_localview_init(depsgraph,
wm,
win,
bmain,
scene,
view_layer,
area,
frame_selected,
smooth_viewtx,
op->reports);
}
if (changed) {
DEG_id_type_tag(bmain, ID_OB);
ED_area_tag_redraw(area);
/* Unselected objects become selected when exiting. */
if (v3d->localvd == NULL) {
DEG_id_tag_update(&scene->id, ID_RECALC_SELECT);
WM_event_add_notifier(C, NC_SCENE | ND_OB_SELECT, scene);
}
else {
DEG_id_tag_update(&scene->id, ID_RECALC_BASE_FLAGS);
}
return OPERATOR_FINISHED;
}
return OPERATOR_CANCELLED;
}
void VIEW3D_OT_localview(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Local View";
ot->description = "Toggle display of selected object(s) separately and centered in view";
ot->idname = "VIEW3D_OT_localview";
/* api callbacks */
ot->exec = localview_exec;
ot->flag = OPTYPE_UNDO; /* localview changes object layer bitflags */
ot->poll = ED_operator_view3d_active;
RNA_def_boolean(ot->srna,
"frame_selected",
true,
"Frame Selected",
"Move the view to frame the selected objects");
}
static int localview_remove_from_exec(bContext *C, wmOperator *op)
{
View3D *v3d = CTX_wm_view3d(C);
Main *bmain = CTX_data_main(C);
Scene *scene = CTX_data_scene(C);
ViewLayer *view_layer = CTX_data_view_layer(C);
bool changed = false;
BKE_view_layer_synced_ensure(scene, view_layer);
LISTBASE_FOREACH (Base *, base, BKE_view_layer_object_bases_get(view_layer)) {
if (BASE_SELECTED(v3d, base)) {
base->local_view_bits &= ~v3d->local_view_uuid;
ED_object_base_select(base, BA_DESELECT);
if (base == view_layer->basact) {
view_layer->basact = NULL;
}
changed = true;
}
}
if (changed) {
DEG_tag_on_visible_update(bmain, false);
DEG_id_tag_update(&scene->id, ID_RECALC_SELECT);
WM_event_add_notifier(C, NC_SCENE | ND_OB_SELECT, scene);
WM_event_add_notifier(C, NC_SCENE | ND_OB_ACTIVE, scene);
return OPERATOR_FINISHED;
}
BKE_report(op->reports, RPT_ERROR, "No object selected");
return OPERATOR_CANCELLED;
}
static bool localview_remove_from_poll(bContext *C)
{
if (CTX_data_edit_object(C) != NULL) {
return false;
}
View3D *v3d = CTX_wm_view3d(C);
return v3d && v3d->localvd;
}
void VIEW3D_OT_localview_remove_from(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Remove from Local View";
ot->description = "Move selected objects out of local view";
ot->idname = "VIEW3D_OT_localview_remove_from";
/* api callbacks */
ot->exec = localview_remove_from_exec;
ot->poll = localview_remove_from_poll;
ot->flag = OPTYPE_UNDO;
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Local Collections
* \{ */
static uint free_localcollection_bit(Main *bmain, ushort local_collections_uuid, bool *r_reset)
{
ScrArea *area;
bScreen *screen;
ushort local_view_bits = 0;
/* Check all areas: which local-views are in use? */
for (screen = bmain->screens.first; screen; screen = screen->id.next) {
for (area = screen->areabase.first; area; area = area->next) {
SpaceLink *sl = area->spacedata.first;
for (; sl; sl = sl->next) {
if (sl->spacetype == SPACE_VIEW3D) {
View3D *v3d = (View3D *)sl;
if (v3d->flag & V3D_LOCAL_COLLECTIONS) {
local_view_bits |= v3d->local_collections_uuid;
}
}
}
}
}
/* First try to keep the old uuid. */
if (local_collections_uuid && ((local_collections_uuid & local_view_bits) == 0)) {
return local_collections_uuid;
}
/* Otherwise get the first free available. */
for (int i = 0; i < 16; i++) {
if ((local_view_bits & (1 << i)) == 0) {
*r_reset = true;
return (1 << i);
}
}
return 0;
}
static void local_collections_reset_uuid(LayerCollection *layer_collection,
const ushort local_view_bit)
{
if (layer_collection->flag & LAYER_COLLECTION_HIDE) {
layer_collection->local_collections_bits &= ~local_view_bit;
}
else {
layer_collection->local_collections_bits |= local_view_bit;
}
LISTBASE_FOREACH (LayerCollection *, child, &layer_collection->layer_collections) {
local_collections_reset_uuid(child, local_view_bit);
}
}
static void view3d_local_collections_reset(Main *bmain, const uint local_view_bit)
{
LISTBASE_FOREACH (Scene *, scene, &bmain->scenes) {
LISTBASE_FOREACH (ViewLayer *, view_layer, &scene->view_layers) {
LISTBASE_FOREACH (LayerCollection *, layer_collection, &view_layer->layer_collections) {
local_collections_reset_uuid(layer_collection, local_view_bit);
}
}
}
}
bool ED_view3d_local_collections_set(Main *bmain, struct View3D *v3d)
{
if ((v3d->flag & V3D_LOCAL_COLLECTIONS) == 0) {
return true;
}
bool reset = false;
v3d->flag &= ~V3D_LOCAL_COLLECTIONS;
uint local_view_bit = free_localcollection_bit(bmain, v3d->local_collections_uuid, &reset);
if (local_view_bit == 0) {
return false;
}
v3d->local_collections_uuid = local_view_bit;
v3d->flag |= V3D_LOCAL_COLLECTIONS;
if (reset) {
view3d_local_collections_reset(bmain, local_view_bit);
}
return true;
}
void ED_view3d_local_collections_reset(struct bContext *C, const bool reset_all)
{
Main *bmain = CTX_data_main(C);
uint local_view_bit = ~(0);
bool do_reset = false;
/* Reset only the ones that are not in use. */
LISTBASE_FOREACH (bScreen *, screen, &bmain->screens) {
LISTBASE_FOREACH (ScrArea *, area, &screen->areabase) {
LISTBASE_FOREACH (SpaceLink *, sl, &area->spacedata) {
if (sl->spacetype == SPACE_VIEW3D) {
View3D *v3d = (View3D *)sl;
if (v3d->local_collections_uuid) {
if (v3d->flag & V3D_LOCAL_COLLECTIONS) {
local_view_bit &= ~v3d->local_collections_uuid;
}
else {
do_reset = true;
}
}
}
}
}
}
if (do_reset) {
view3d_local_collections_reset(bmain, local_view_bit);
}
else if (reset_all && (do_reset || (local_view_bit != ~(0)))) {
view3d_local_collections_reset(bmain, ~(0));
View3D v3d = {.local_collections_uuid = ~(0)};
BKE_layer_collection_local_sync(CTX_data_scene(C), CTX_data_view_layer(C), &v3d);
DEG_id_tag_update(&CTX_data_scene(C)->id, ID_RECALC_BASE_FLAGS);
}
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name XR Functionality
* \{ */
#ifdef WITH_XR_OPENXR
static void view3d_xr_mirror_begin(RegionView3D *rv3d)
{
/* If there is no session yet, changes below should not be applied! */
BLI_assert(WM_xr_session_exists(&((wmWindowManager *)G_MAIN->wm.first)->xr));
rv3d->runtime_viewlock |= RV3D_LOCK_ANY_TRANSFORM;
/* Force perspective view. This isn't reset but that's not really an issue. */
rv3d->persp = RV3D_PERSP;
}
static void view3d_xr_mirror_end(RegionView3D *rv3d)
{
rv3d->runtime_viewlock &= ~RV3D_LOCK_ANY_TRANSFORM;
}
void ED_view3d_xr_mirror_update(const ScrArea *area, const View3D *v3d, const bool enable)
{
ARegion *region_rv3d;
BLI_assert(v3d->spacetype == SPACE_VIEW3D);
if (ED_view3d_area_user_region(area, v3d, &region_rv3d)) {
if (enable) {
view3d_xr_mirror_begin(region_rv3d->regiondata);
}
else {
view3d_xr_mirror_end(region_rv3d->regiondata);
}
}
}
void ED_view3d_xr_shading_update(wmWindowManager *wm, const View3D *v3d, const Scene *scene)
{
if (v3d->runtime.flag & V3D_RUNTIME_XR_SESSION_ROOT) {
View3DShading *xr_shading = &wm->xr.session_settings.shading;
/* Flags that shouldn't be overridden by the 3D View shading. */
int flag_copy = 0;
if (v3d->shading.type != OB_SOLID) {
/* Don't set V3D_SHADING_WORLD_ORIENTATION for solid shading since it results in distorted
* lighting when the view matrix has a scale factor. */
flag_copy |= V3D_SHADING_WORLD_ORIENTATION;
}
BLI_assert(WM_xr_session_exists(&wm->xr));
if (v3d->shading.type == OB_RENDER) {
if (!(BKE_scene_uses_blender_workbench(scene) || BKE_scene_uses_blender_eevee(scene))) {
/* Keep old shading while using Cycles or another engine, they are typically not usable in
* VR. */
return;
}
}
if (xr_shading->prop) {
IDP_FreeProperty(xr_shading->prop);
xr_shading->prop = NULL;
}
/* Copy shading from View3D to VR view. */
const int old_xr_shading_flag = xr_shading->flag;
*xr_shading = v3d->shading;
xr_shading->flag = (xr_shading->flag & ~flag_copy) | (old_xr_shading_flag & flag_copy);
if (v3d->shading.prop) {
xr_shading->prop = IDP_CopyProperty(xr_shading->prop);
}
}
}
bool ED_view3d_is_region_xr_mirror_active(const wmWindowManager *wm,
const View3D *v3d,
const ARegion *region)
{
return (v3d->flag & V3D_XR_SESSION_MIRROR) &&
/* The free region (e.g. the camera region in quad-view) is always
* the last in the list base. We don't want any other to be affected. */
!region->next && //
WM_xr_session_is_ready(&wm->xr);
}
#endif
/** \} */
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