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viewport.cpp
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/*************************************************************************/
/* viewport.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "viewport.h"
#include "core/core_string_names.h"
#include "core/debugger/engine_debugger.h"
#include "core/object/message_queue.h"
#include "core/string/translation.h"
#include "core/templates/pair.h"
#include "scene/2d/audio_listener_2d.h"
#include "scene/2d/camera_2d.h"
#include "scene/2d/collision_object_2d.h"
#ifndef _3D_DISABLED
#include "scene/3d/audio_listener_3d.h"
#include "scene/3d/camera_3d.h"
#include "scene/3d/collision_object_3d.h"
#include "scene/3d/world_environment.h"
#endif // _3D_DISABLED
#include "scene/gui/control.h"
#include "scene/gui/label.h"
#include "scene/gui/popup.h"
#include "scene/gui/popup_menu.h"
#include "scene/gui/subviewport_container.h"
#include "scene/main/canvas_layer.h"
#include "scene/main/window.h"
#include "scene/resources/mesh.h"
#include "scene/resources/text_line.h"
#include "scene/resources/world_2d.h"
#include "scene/scene_string_names.h"
#include "servers/audio_server.h"
#include "servers/rendering/rendering_server_globals.h"
void ViewportTexture::setup_local_to_scene() {
Node *local_scene = get_local_scene();
if (!local_scene) {
return;
}
if (vp) {
vp->viewport_textures.erase(this);
}
vp = nullptr;
Node *vpn = local_scene->get_node(path);
ERR_FAIL_COND_MSG(!vpn, "ViewportTexture: Path to node is invalid.");
vp = Object::cast_to<Viewport>(vpn);
ERR_FAIL_COND_MSG(!vp, "ViewportTexture: Path to node does not point to a viewport.");
vp->viewport_textures.insert(this);
if (proxy_ph.is_valid()) {
RS::get_singleton()->texture_proxy_update(proxy, vp->texture_rid);
RS::get_singleton()->free(proxy_ph);
} else {
ERR_FAIL_COND(proxy.is_valid()); // Should be invalid.
proxy = RS::get_singleton()->texture_proxy_create(vp->texture_rid);
}
}
void ViewportTexture::set_viewport_path_in_scene(const NodePath &p_path) {
if (path == p_path) {
return;
}
path = p_path;
if (get_local_scene()) {
setup_local_to_scene();
}
}
NodePath ViewportTexture::get_viewport_path_in_scene() const {
return path;
}
int ViewportTexture::get_width() const {
ERR_FAIL_COND_V_MSG(!vp, 0, "Viewport Texture must be set to use it.");
return vp->size.width;
}
int ViewportTexture::get_height() const {
ERR_FAIL_COND_V_MSG(!vp, 0, "Viewport Texture must be set to use it.");
return vp->size.height;
}
Size2 ViewportTexture::get_size() const {
ERR_FAIL_COND_V_MSG(!vp, Size2(), "Viewport Texture must be set to use it.");
return vp->size;
}
RID ViewportTexture::get_rid() const {
if (proxy.is_null()) {
proxy_ph = RS::get_singleton()->texture_2d_placeholder_create();
proxy = RS::get_singleton()->texture_proxy_create(proxy_ph);
}
return proxy;
}
bool ViewportTexture::has_alpha() const {
return false;
}
Ref<Image> ViewportTexture::get_image() const {
ERR_FAIL_COND_V_MSG(!vp, Ref<Image>(), "Viewport Texture must be set to use it.");
return RS::get_singleton()->texture_2d_get(vp->texture_rid);
}
void ViewportTexture::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_viewport_path_in_scene", "path"), &ViewportTexture::set_viewport_path_in_scene);
ClassDB::bind_method(D_METHOD("get_viewport_path_in_scene"), &ViewportTexture::get_viewport_path_in_scene);
ADD_PROPERTY(PropertyInfo(Variant::NODE_PATH, "viewport_path", PROPERTY_HINT_NODE_PATH_VALID_TYPES, "SubViewport", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_NODE_PATH_FROM_SCENE_ROOT), "set_viewport_path_in_scene", "get_viewport_path_in_scene");
}
ViewportTexture::ViewportTexture() {
set_local_to_scene(true);
}
ViewportTexture::~ViewportTexture() {
if (vp) {
vp->viewport_textures.erase(this);
}
if (proxy_ph.is_valid()) {
RS::get_singleton()->free(proxy_ph);
}
if (proxy.is_valid()) {
RS::get_singleton()->free(proxy);
}
}
/////////////////////////////////////
// Aliases used to provide custom styles to tooltips in the default
// theme and editor theme.
// TooltipPanel is also used for custom tooltips, while TooltipLabel
// is only relevant for default tooltips.
class TooltipPanel : public PopupPanel {
GDCLASS(TooltipPanel, PopupPanel);
public:
TooltipPanel() {}
};
class TooltipLabel : public Label {
GDCLASS(TooltipLabel, Label);
public:
TooltipLabel() {}
};
/////////////////////////////////////
void Viewport::_sub_window_update_order() {
for (int i = 0; i < gui.sub_windows.size(); i++) {
RS::get_singleton()->canvas_item_set_draw_index(gui.sub_windows[i].canvas_item, i);
}
}
void Viewport::_sub_window_register(Window *p_window) {
ERR_FAIL_COND(!is_inside_tree());
for (int i = 0; i < gui.sub_windows.size(); i++) {
ERR_FAIL_COND(gui.sub_windows[i].window == p_window);
}
if (gui.sub_windows.size() == 0) {
subwindow_canvas = RS::get_singleton()->canvas_create();
RS::get_singleton()->viewport_attach_canvas(viewport, subwindow_canvas);
RS::get_singleton()->viewport_set_canvas_stacking(viewport, subwindow_canvas, SUBWINDOW_CANVAS_LAYER, 0);
}
SubWindow sw;
sw.canvas_item = RS::get_singleton()->canvas_item_create();
RS::get_singleton()->canvas_item_set_parent(sw.canvas_item, subwindow_canvas);
sw.window = p_window;
gui.sub_windows.push_back(sw);
_sub_window_grab_focus(p_window);
RenderingServer::get_singleton()->viewport_set_parent_viewport(p_window->viewport, viewport);
}
void Viewport::_sub_window_update(Window *p_window) {
int index = -1;
for (int i = 0; i < gui.sub_windows.size(); i++) {
if (gui.sub_windows[i].window == p_window) {
index = i;
break;
}
}
ERR_FAIL_COND(index == -1);
const SubWindow &sw = gui.sub_windows[index];
Transform2D pos;
pos.set_origin(p_window->get_position());
RS::get_singleton()->canvas_item_clear(sw.canvas_item);
Rect2i r = Rect2i(p_window->get_position(), sw.window->get_size());
if (!p_window->get_flag(Window::FLAG_BORDERLESS)) {
Ref<StyleBox> panel = p_window->get_theme_stylebox(SNAME("embedded_border"));
panel->draw(sw.canvas_item, r);
// Draw the title bar text.
Ref<Font> title_font = p_window->get_theme_font(SNAME("title_font"));
int font_size = p_window->get_theme_font_size(SNAME("title_font_size"));
Color title_color = p_window->get_theme_color(SNAME("title_color"));
int title_height = p_window->get_theme_constant(SNAME("title_height"));
int close_h_ofs = p_window->get_theme_constant(SNAME("close_h_ofs"));
int close_v_ofs = p_window->get_theme_constant(SNAME("close_v_ofs"));
TextLine title_text = TextLine(p_window->atr(p_window->get_title()), title_font, font_size, Dictionary(), TranslationServer::get_singleton()->get_tool_locale());
title_text.set_width(r.size.width - panel->get_minimum_size().x - close_h_ofs);
title_text.set_direction(p_window->is_layout_rtl() ? TextServer::DIRECTION_RTL : TextServer::DIRECTION_LTR);
int x = (r.size.width - title_text.get_size().x) / 2;
int y = (-title_height - title_text.get_size().y) / 2;
Color font_outline_color = p_window->get_theme_color(SNAME("title_outline_modulate"));
int outline_size = p_window->get_theme_constant(SNAME("title_outline_size"));
if (outline_size > 0 && font_outline_color.a > 0) {
title_text.draw_outline(sw.canvas_item, r.position + Point2(x, y), outline_size, font_outline_color);
}
title_text.draw(sw.canvas_item, r.position + Point2(x, y), title_color);
bool pressed = gui.subwindow_focused == sw.window && gui.subwindow_drag == SUB_WINDOW_DRAG_CLOSE && gui.subwindow_drag_close_inside;
Ref<Texture2D> close_icon = p_window->get_theme_icon(pressed ? "close_pressed" : "close");
close_icon->draw(sw.canvas_item, r.position + Vector2(r.size.width - close_h_ofs, -close_v_ofs));
}
RS::get_singleton()->canvas_item_add_texture_rect(sw.canvas_item, r, sw.window->get_texture()->get_rid());
}
void Viewport::_sub_window_grab_focus(Window *p_window) {
if (p_window == nullptr) {
// Release current focus.
if (gui.subwindow_focused) {
gui.subwindow_focused->_event_callback(DisplayServer::WINDOW_EVENT_FOCUS_OUT);
gui.subwindow_focused = nullptr;
gui.subwindow_drag = SUB_WINDOW_DRAG_DISABLED;
}
Window *this_window = Object::cast_to<Window>(this);
if (this_window) {
this_window->_event_callback(DisplayServer::WINDOW_EVENT_FOCUS_IN);
}
return;
}
int index = -1;
for (int i = 0; i < gui.sub_windows.size(); i++) {
if (gui.sub_windows[i].window == p_window) {
index = i;
break;
}
}
ERR_FAIL_COND(index == -1);
if (p_window->get_flag(Window::FLAG_NO_FOCUS)) {
// Can only move to foreground, but no focus granted.
SubWindow sw = gui.sub_windows[index];
gui.sub_windows.remove_at(index);
gui.sub_windows.push_back(sw);
index = gui.sub_windows.size() - 1;
_sub_window_update_order();
return;
}
if (gui.subwindow_focused) {
if (gui.subwindow_focused == p_window) {
return; // Nothing to do.
}
gui.subwindow_focused->_event_callback(DisplayServer::WINDOW_EVENT_FOCUS_OUT);
gui.subwindow_drag = SUB_WINDOW_DRAG_DISABLED;
} else {
Window *this_window = Object::cast_to<Window>(this);
if (this_window) {
this_window->_event_callback(DisplayServer::WINDOW_EVENT_FOCUS_OUT);
}
}
Window *old_focus = gui.subwindow_focused;
gui.subwindow_focused = p_window;
gui.subwindow_focused->_event_callback(DisplayServer::WINDOW_EVENT_FOCUS_IN);
{ // Move to foreground.
SubWindow sw = gui.sub_windows[index];
gui.sub_windows.remove_at(index);
gui.sub_windows.push_back(sw);
index = gui.sub_windows.size() - 1;
_sub_window_update_order();
}
if (old_focus) {
_sub_window_update(old_focus);
}
_sub_window_update(p_window);
}
void Viewport::_sub_window_remove(Window *p_window) {
for (int i = 0; i < gui.sub_windows.size(); i++) {
if (gui.sub_windows[i].window == p_window) {
RS::get_singleton()->free(gui.sub_windows[i].canvas_item);
gui.sub_windows.remove_at(i);
break;
}
}
if (gui.sub_windows.size() == 0) {
RS::get_singleton()->free(subwindow_canvas);
subwindow_canvas = RID();
}
if (gui.subwindow_focused == p_window) {
Window *parent_visible = p_window->get_parent_visible_window();
gui.subwindow_drag = SUB_WINDOW_DRAG_DISABLED;
gui.subwindow_focused->_event_callback(DisplayServer::WINDOW_EVENT_FOCUS_OUT);
if (parent_visible && parent_visible != this) {
gui.subwindow_focused = parent_visible;
gui.subwindow_focused->_event_callback(DisplayServer::WINDOW_EVENT_FOCUS_IN);
} else {
gui.subwindow_focused = nullptr;
Window *this_window = Object::cast_to<Window>(this);
if (this_window) {
this_window->_event_callback(DisplayServer::WINDOW_EVENT_FOCUS_IN);
}
}
}
RenderingServer::get_singleton()->viewport_set_parent_viewport(p_window->viewport, p_window->parent ? p_window->parent->viewport : RID());
}
void Viewport::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_ENTER_TREE: {
if (get_parent()) {
parent = get_parent()->get_viewport();
RenderingServer::get_singleton()->viewport_set_parent_viewport(viewport, parent->get_viewport_rid());
} else {
parent = nullptr;
}
current_canvas = find_world_2d()->get_canvas();
RenderingServer::get_singleton()->viewport_attach_canvas(viewport, current_canvas);
_update_audio_listener_2d();
#ifndef _3D_DISABLED
RenderingServer::get_singleton()->viewport_set_scenario(viewport, find_world_3d()->get_scenario());
_update_audio_listener_3d();
#endif // _3D_DISABLED
add_to_group("_viewports");
if (get_tree()->is_debugging_collisions_hint()) {
PhysicsServer2D::get_singleton()->space_set_debug_contacts(find_world_2d()->get_space(), get_tree()->get_collision_debug_contact_count());
contact_2d_debug = RenderingServer::get_singleton()->canvas_item_create();
RenderingServer::get_singleton()->canvas_item_set_parent(contact_2d_debug, find_world_2d()->get_canvas());
#ifndef _3D_DISABLED
PhysicsServer3D::get_singleton()->space_set_debug_contacts(find_world_3d()->get_space(), get_tree()->get_collision_debug_contact_count());
contact_3d_debug_multimesh = RenderingServer::get_singleton()->multimesh_create();
RenderingServer::get_singleton()->multimesh_allocate_data(contact_3d_debug_multimesh, get_tree()->get_collision_debug_contact_count(), RS::MULTIMESH_TRANSFORM_3D, false);
RenderingServer::get_singleton()->multimesh_set_visible_instances(contact_3d_debug_multimesh, 0);
RenderingServer::get_singleton()->multimesh_set_mesh(contact_3d_debug_multimesh, get_tree()->get_debug_contact_mesh()->get_rid());
contact_3d_debug_instance = RenderingServer::get_singleton()->instance_create();
RenderingServer::get_singleton()->instance_set_base(contact_3d_debug_instance, contact_3d_debug_multimesh);
RenderingServer::get_singleton()->instance_set_scenario(contact_3d_debug_instance, find_world_3d()->get_scenario());
RenderingServer::get_singleton()->instance_geometry_set_flag(contact_3d_debug_instance, RS::INSTANCE_FLAG_DRAW_NEXT_FRAME_IF_VISIBLE, true);
#endif // _3D_DISABLED
set_physics_process_internal(true);
}
} break;
case NOTIFICATION_READY: {
#ifndef _3D_DISABLED
if (audio_listener_3d_set.size() && !audio_listener_3d) {
AudioListener3D *first = nullptr;
for (Set<AudioListener3D *>::Element *E = audio_listener_3d_set.front(); E; E = E->next()) {
if (first == nullptr || first->is_greater_than(E->get())) {
first = E->get();
}
}
if (first) {
first->make_current();
}
}
if (camera_3d_set.size() && !camera_3d) {
// There are cameras but no current camera, pick first in tree and make it current.
Camera3D *first = nullptr;
for (Set<Camera3D *>::Element *E = camera_3d_set.front(); E; E = E->next()) {
if (first == nullptr || first->is_greater_than(E->get())) {
first = E->get();
}
}
if (first) {
first->make_current();
}
}
#endif // _3D_DISABLED
} break;
case NOTIFICATION_EXIT_TREE: {
_gui_cancel_tooltip();
RenderingServer::get_singleton()->viewport_set_scenario(viewport, RID());
RenderingServer::get_singleton()->viewport_remove_canvas(viewport, current_canvas);
if (contact_2d_debug.is_valid()) {
RenderingServer::get_singleton()->free(contact_2d_debug);
contact_2d_debug = RID();
}
if (contact_3d_debug_multimesh.is_valid()) {
RenderingServer::get_singleton()->free(contact_3d_debug_multimesh);
RenderingServer::get_singleton()->free(contact_3d_debug_instance);
contact_3d_debug_instance = RID();
contact_3d_debug_multimesh = RID();
}
remove_from_group("_viewports");
set_physics_process_internal(false);
RS::get_singleton()->viewport_set_active(viewport, false);
RenderingServer::get_singleton()->viewport_set_parent_viewport(viewport, RID());
} break;
case NOTIFICATION_INTERNAL_PHYSICS_PROCESS: {
if (!get_tree()) {
return;
}
if (get_tree()->is_debugging_collisions_hint() && contact_2d_debug.is_valid()) {
RenderingServer::get_singleton()->canvas_item_clear(contact_2d_debug);
RenderingServer::get_singleton()->canvas_item_set_draw_index(contact_2d_debug, 0xFFFFF); //very high index
Vector<Vector2> points = PhysicsServer2D::get_singleton()->space_get_contacts(find_world_2d()->get_space());
int point_count = PhysicsServer2D::get_singleton()->space_get_contact_count(find_world_2d()->get_space());
Color ccol = get_tree()->get_debug_collision_contact_color();
for (int i = 0; i < point_count; i++) {
RenderingServer::get_singleton()->canvas_item_add_rect(contact_2d_debug, Rect2(points[i] - Vector2(2, 2), Vector2(5, 5)), ccol);
}
}
#ifndef _3D_DISABLED
if (get_tree()->is_debugging_collisions_hint() && contact_3d_debug_multimesh.is_valid()) {
Vector<Vector3> points = PhysicsServer3D::get_singleton()->space_get_contacts(find_world_3d()->get_space());
int point_count = PhysicsServer3D::get_singleton()->space_get_contact_count(find_world_3d()->get_space());
RS::get_singleton()->multimesh_set_visible_instances(contact_3d_debug_multimesh, point_count);
for (int i = 0; i < point_count; i++) {
Transform3D point_transform;
point_transform.origin = points[i];
RS::get_singleton()->multimesh_instance_set_transform(contact_3d_debug_multimesh, i, point_transform);
}
}
#endif // _3D_DISABLED
} break;
case NOTIFICATION_WM_MOUSE_ENTER: {
gui.mouse_in_window = true;
} break;
case NOTIFICATION_WM_MOUSE_EXIT: {
gui.mouse_in_window = false;
_drop_physics_mouseover();
_drop_mouse_over();
// When the mouse exits the window, we want to end mouse_over, but
// not mouse_focus, because, for example, we want to continue
// dragging a scrollbar even if the mouse has left the window.
} break;
case NOTIFICATION_WM_WINDOW_FOCUS_OUT: {
_drop_physics_mouseover();
if (gui.mouse_focus && !gui.forced_mouse_focus) {
_drop_mouse_focus();
}
// When the window focus changes, we want to end mouse_focus, but
// not the mouse_over. Note: The OS will trigger a separate mouse
// exit event if the change in focus results in the mouse exiting
// the window.
} break;
}
}
void Viewport::_process_picking() {
if (!is_inside_tree()) {
return;
}
if (!physics_object_picking) {
return;
}
if (to_screen_rect != Rect2i() && Input::get_singleton()->get_mouse_mode() == Input::MOUSE_MODE_CAPTURED) {
return;
}
_drop_physics_mouseover(true);
#ifndef _3D_DISABLED
Vector2 last_pos(1e20, 1e20);
CollisionObject3D *last_object = nullptr;
ObjectID last_id;
PhysicsDirectSpaceState3D::RayResult result;
#endif // _3D_DISABLED
PhysicsDirectSpaceState2D *ss2d = PhysicsServer2D::get_singleton()->space_get_direct_state(find_world_2d()->get_space());
if (physics_has_last_mousepos) {
// If no mouse event exists, create a motion one. This is necessary because objects or camera may have moved.
// While this extra event is sent, it is checked if both camera and last object and last ID did not move.
// If nothing changed, the event is discarded to avoid flooding with unnecessary motion events every frame.
bool has_mouse_event = false;
for (const Ref<InputEvent> &m : physics_picking_events) {
if (m.is_valid()) {
has_mouse_event = true;
break;
}
}
if (!has_mouse_event) {
Ref<InputEventMouseMotion> mm;
mm.instantiate();
mm->set_device(InputEvent::DEVICE_ID_INTERNAL);
mm->set_global_position(physics_last_mousepos);
mm->set_position(physics_last_mousepos);
mm->set_alt_pressed(physics_last_mouse_state.alt);
mm->set_shift_pressed(physics_last_mouse_state.shift);
mm->set_ctrl_pressed(physics_last_mouse_state.control);
mm->set_meta_pressed(physics_last_mouse_state.meta);
mm->set_button_mask(physics_last_mouse_state.mouse_mask);
physics_picking_events.push_back(mm);
}
}
while (physics_picking_events.size()) {
Ref<InputEvent> ev = physics_picking_events.front()->get();
physics_picking_events.pop_front();
Vector2 pos;
bool is_mouse = false;
Ref<InputEventMouseMotion> mm = ev;
if (mm.is_valid()) {
pos = mm->get_position();
is_mouse = true;
physics_has_last_mousepos = true;
physics_last_mousepos = pos;
physics_last_mouse_state.alt = mm->is_alt_pressed();
physics_last_mouse_state.shift = mm->is_shift_pressed();
physics_last_mouse_state.control = mm->is_ctrl_pressed();
physics_last_mouse_state.meta = mm->is_meta_pressed();
physics_last_mouse_state.mouse_mask = mm->get_button_mask();
}
Ref<InputEventMouseButton> mb = ev;
if (mb.is_valid()) {
pos = mb->get_position();
is_mouse = true;
physics_has_last_mousepos = true;
physics_last_mousepos = pos;
physics_last_mouse_state.alt = mb->is_alt_pressed();
physics_last_mouse_state.shift = mb->is_shift_pressed();
physics_last_mouse_state.control = mb->is_ctrl_pressed();
physics_last_mouse_state.meta = mb->is_meta_pressed();
if (mb->is_pressed()) {
physics_last_mouse_state.mouse_mask |= mouse_button_to_mask(mb->get_button_index());
} else {
physics_last_mouse_state.mouse_mask &= ~mouse_button_to_mask(mb->get_button_index());
// If touch mouse raised, assume we don't know last mouse pos until new events come
if (mb->get_device() == InputEvent::DEVICE_ID_TOUCH_MOUSE) {
physics_has_last_mousepos = false;
}
}
}
Ref<InputEventKey> k = ev;
if (k.is_valid()) {
// Only for mask.
physics_last_mouse_state.alt = k->is_alt_pressed();
physics_last_mouse_state.shift = k->is_shift_pressed();
physics_last_mouse_state.control = k->is_ctrl_pressed();
physics_last_mouse_state.meta = k->is_meta_pressed();
continue;
}
Ref<InputEventScreenDrag> sd = ev;
if (sd.is_valid()) {
pos = sd->get_position();
}
Ref<InputEventScreenTouch> st = ev;
if (st.is_valid()) {
pos = st->get_position();
}
if (ss2d) {
// Send to 2D.
uint64_t frame = get_tree()->get_frame();
PhysicsDirectSpaceState2D::ShapeResult res[64];
for (Set<CanvasLayer *>::Element *E = canvas_layers.front(); E; E = E->next()) {
Transform2D canvas_transform;
ObjectID canvas_layer_id;
if (E->get()) {
// A descendant CanvasLayer.
canvas_transform = E->get()->get_transform();
canvas_layer_id = E->get()->get_instance_id();
} else {
// This Viewport's builtin canvas.
canvas_transform = get_canvas_transform();
canvas_layer_id = ObjectID();
}
Vector2 point = canvas_transform.affine_inverse().xform(pos);
PhysicsDirectSpaceState2D::PointParameters point_params;
point_params.position = point;
point_params.canvas_instance_id = canvas_layer_id;
point_params.collide_with_areas = true;
point_params.pick_point = true;
int rc = ss2d->intersect_point(point_params, res, 64);
for (int i = 0; i < rc; i++) {
if (res[i].collider_id.is_valid() && res[i].collider) {
CollisionObject2D *co = Object::cast_to<CollisionObject2D>(res[i].collider);
if (co && co->can_process()) {
bool send_event = true;
if (is_mouse) {
Map<ObjectID, uint64_t>::Element *F = physics_2d_mouseover.find(res[i].collider_id);
if (!F) {
physics_2d_mouseover.insert(res[i].collider_id, frame);
co->_mouse_enter();
} else {
F->get() = frame;
// It was already hovered, so don't send the event if it's faked.
if (mm.is_valid() && mm->get_device() == InputEvent::DEVICE_ID_INTERNAL) {
send_event = false;
}
}
Map<Pair<ObjectID, int>, uint64_t, PairSort<ObjectID, int>>::Element *SF = physics_2d_shape_mouseover.find(Pair(res[i].collider_id, res[i].shape));
if (!SF) {
physics_2d_shape_mouseover.insert(Pair(res[i].collider_id, res[i].shape), frame);
co->_mouse_shape_enter(res[i].shape);
} else {
SF->get() = frame;
}
}
if (send_event) {
co->_input_event_call(this, ev, res[i].shape);
}
}
}
}
}
if (is_mouse) {
_cleanup_mouseover_colliders(false, false, frame);
}
}
#ifndef _3D_DISABLED
bool captured = false;
if (physics_object_capture.is_valid()) {
CollisionObject3D *co = Object::cast_to<CollisionObject3D>(ObjectDB::get_instance(physics_object_capture));
if (co && camera_3d) {
_collision_object_3d_input_event(co, camera_3d, ev, Vector3(), Vector3(), 0);
captured = true;
if (mb.is_valid() && mb->get_button_index() == MouseButton::LEFT && !mb->is_pressed()) {
physics_object_capture = ObjectID();
}
} else {
physics_object_capture = ObjectID();
}
}
if (captured) {
// None.
} else if (pos == last_pos) {
if (last_id.is_valid()) {
if (ObjectDB::get_instance(last_id) && last_object) {
// Good, exists.
_collision_object_3d_input_event(last_object, camera_3d, ev, result.position, result.normal, result.shape);
if (last_object->get_capture_input_on_drag() && mb.is_valid() && mb->get_button_index() == MouseButton::LEFT && mb->is_pressed()) {
physics_object_capture = last_id;
}
}
}
} else {
if (camera_3d) {
Vector3 from = camera_3d->project_ray_origin(pos);
Vector3 dir = camera_3d->project_ray_normal(pos);
real_t far = camera_3d->far;
PhysicsDirectSpaceState3D *space = PhysicsServer3D::get_singleton()->space_get_direct_state(find_world_3d()->get_space());
if (space) {
PhysicsDirectSpaceState3D::RayParameters ray_params;
ray_params.from = from;
ray_params.to = from + dir * far;
ray_params.collide_with_areas = true;
ray_params.pick_ray = true;
bool col = space->intersect_ray(ray_params, result);
ObjectID new_collider;
if (col) {
CollisionObject3D *co = Object::cast_to<CollisionObject3D>(result.collider);
if (co && co->can_process()) {
_collision_object_3d_input_event(co, camera_3d, ev, result.position, result.normal, result.shape);
last_object = co;
last_id = result.collider_id;
new_collider = last_id;
if (co->get_capture_input_on_drag() && mb.is_valid() && mb->get_button_index() == MouseButton::LEFT && mb->is_pressed()) {
physics_object_capture = last_id;
}
}
}
if (is_mouse && new_collider != physics_object_over) {
if (physics_object_over.is_valid()) {
CollisionObject3D *co = Object::cast_to<CollisionObject3D>(ObjectDB::get_instance(physics_object_over));
if (co) {
co->_mouse_exit();
}
}
if (new_collider.is_valid()) {
CollisionObject3D *co = Object::cast_to<CollisionObject3D>(ObjectDB::get_instance(new_collider));
if (co) {
co->_mouse_enter();
}
}
physics_object_over = new_collider;
}
}
last_pos = pos;
}
}
#endif // _3D_DISABLED
}
}
RID Viewport::get_viewport_rid() const {
return viewport;
}
void Viewport::update_canvas_items() {
if (!is_inside_tree()) {
return;
}
_update_canvas_items(this);
}
void Viewport::_set_size(const Size2i &p_size, const Size2i &p_size_2d_override, const Rect2i &p_to_screen_rect, const Transform2D &p_stretch_transform, bool p_allocated) {
if (size == p_size && size_allocated == p_allocated && stretch_transform == p_stretch_transform && p_size_2d_override == size_2d_override && to_screen_rect == p_to_screen_rect) {
return;
}
size = p_size;
size_allocated = p_allocated;
size_2d_override = p_size_2d_override;
stretch_transform = p_stretch_transform;
to_screen_rect = p_to_screen_rect;
if (p_allocated) {
RS::get_singleton()->viewport_set_size(viewport, size.width, size.height);
} else {
RS::get_singleton()->viewport_set_size(viewport, 0, 0);
}
_update_global_transform();
update_canvas_items();
emit_signal(SNAME("size_changed"));
}
Size2i Viewport::_get_size() const {
return size;
}
Size2i Viewport::_get_size_2d_override() const {
return size_2d_override;
}
bool Viewport::_is_size_allocated() const {
return size_allocated;
}
Rect2 Viewport::get_visible_rect() const {
Rect2 r;
if (size == Size2()) {
r = Rect2(Point2(), DisplayServer::get_singleton()->window_get_size());
} else {
r = Rect2(Point2(), size);
}
if (size_2d_override != Size2i()) {
r.size = size_2d_override;
}
return r;
}
void Viewport::_update_audio_listener_2d() {
if (AudioServer::get_singleton()) {
AudioServer::get_singleton()->notify_listener_changed();
}
}
void Viewport::set_as_audio_listener_2d(bool p_enable) {
if (p_enable == is_audio_listener_2d_enabled) {
return;
}
is_audio_listener_2d_enabled = p_enable;
_update_audio_listener_2d();
}
bool Viewport::is_audio_listener_2d() const {
return is_audio_listener_2d_enabled;
}
AudioListener2D *Viewport::get_audio_listener_2d() const {
return audio_listener_2d;
}
void Viewport::enable_canvas_transform_override(bool p_enable) {
if (override_canvas_transform == p_enable) {
return;
}
override_canvas_transform = p_enable;
if (p_enable) {
RenderingServer::get_singleton()->viewport_set_canvas_transform(viewport, find_world_2d()->get_canvas(), canvas_transform_override);
} else {
RenderingServer::get_singleton()->viewport_set_canvas_transform(viewport, find_world_2d()->get_canvas(), canvas_transform);
}
}
bool Viewport::is_canvas_transform_override_enbled() const {
return override_canvas_transform;
}
void Viewport::set_canvas_transform_override(const Transform2D &p_transform) {
if (canvas_transform_override == p_transform) {
return;
}
canvas_transform_override = p_transform;
if (override_canvas_transform) {
RenderingServer::get_singleton()->viewport_set_canvas_transform(viewport, find_world_2d()->get_canvas(), canvas_transform_override);
}
}
Transform2D Viewport::get_canvas_transform_override() const {
return canvas_transform_override;
}
void Viewport::set_canvas_transform(const Transform2D &p_transform) {
canvas_transform = p_transform;
if (!override_canvas_transform) {
RenderingServer::get_singleton()->viewport_set_canvas_transform(viewport, find_world_2d()->get_canvas(), canvas_transform);
}
}
Transform2D Viewport::get_canvas_transform() const {
return canvas_transform;
}
void Viewport::_update_global_transform() {
Transform2D sxform = stretch_transform * global_canvas_transform;
RenderingServer::get_singleton()->viewport_set_global_canvas_transform(viewport, sxform);
}
void Viewport::set_global_canvas_transform(const Transform2D &p_transform) {
global_canvas_transform = p_transform;
_update_global_transform();
}
Transform2D Viewport::get_global_canvas_transform() const {
return global_canvas_transform;
}
void Viewport::_camera_2d_set(Camera2D *p_camera_2d) {
camera_2d = p_camera_2d;
}
void Viewport::_audio_listener_2d_set(AudioListener2D *p_listener) {
if (audio_listener_2d == p_listener) {
return;
} else if (audio_listener_2d) {
audio_listener_2d->clear_current();
}
audio_listener_2d = p_listener;
}
void Viewport::_audio_listener_2d_remove(AudioListener2D *p_listener) {
if (audio_listener_2d == p_listener) {
audio_listener_2d = nullptr;
}
}
void Viewport::_canvas_layer_add(CanvasLayer *p_canvas_layer) {
canvas_layers.insert(p_canvas_layer);
}
void Viewport::_canvas_layer_remove(CanvasLayer *p_canvas_layer) {
canvas_layers.erase(p_canvas_layer);
}
void Viewport::set_transparent_background(bool p_enable) {
transparent_bg = p_enable;
RS::get_singleton()->viewport_set_transparent_background(viewport, p_enable);
}
bool Viewport::has_transparent_background() const {
return transparent_bg;
}
void Viewport::set_world_2d(const Ref<World2D> &p_world_2d) {
if (world_2d == p_world_2d) {
return;
}
if (parent && parent->find_world_2d() == p_world_2d) {
WARN_PRINT("Unable to use parent world_2d as world_2d");
return;
}
if (is_inside_tree()) {
RenderingServer::get_singleton()->viewport_remove_canvas(viewport, current_canvas);
}
if (p_world_2d.is_valid()) {
world_2d = p_world_2d;
} else {
WARN_PRINT("Invalid world_2d");
world_2d = Ref<World2D>(memnew(World2D));
}
_update_audio_listener_2d();
if (is_inside_tree()) {
current_canvas = find_world_2d()->get_canvas();
RenderingServer::get_singleton()->viewport_attach_canvas(viewport, current_canvas);
}
}
Ref<World2D> Viewport::find_world_2d() const {