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godot/scene/2d/visibility_notifier_2d.cpp
Rémi Verschelde 5dbf1809c6 A Whole New World (clang-format edition) 
I can show you the code
Pretty, with proper whitespace
Tell me, coder, now when did
You last write readable code?

I can open your eyes
Make you see your bad indent
Force you to respect the style
The core devs agreed upon

A whole new world
A new fantastic code format
A de facto standard
With some sugar
Enforced with clang-format

A whole new world
A dazzling style we all dreamed of
And when we read it through
It's crystal clear
That now we're in a whole new world of code
2017-03-05 16:44:50 +01:00

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/*************************************************************************/
/* visibility_notifier_2d.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
/* */
/* 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 "visibility_notifier_2d.h"
#include "particles_2d.h"
#include "scene/2d/animated_sprite.h"
#include "scene/2d/physics_body_2d.h"
#include "scene/animation/animation_player.h"
#include "scene/scene_string_names.h"
#include "scene/scene_string_names.h"
void VisibilityNotifier2D::_enter_viewport(Viewport *p_viewport) {
ERR_FAIL_COND(viewports.has(p_viewport));
viewports.insert(p_viewport);
if (is_inside_tree() && get_tree()->is_editor_hint())
return;
if (viewports.size() == 1) {
emit_signal(SceneStringNames::get_singleton()->screen_entered);
_screen_enter();
}
emit_signal(SceneStringNames::get_singleton()->viewport_entered, p_viewport);
}
void VisibilityNotifier2D::_exit_viewport(Viewport *p_viewport) {
ERR_FAIL_COND(!viewports.has(p_viewport));
viewports.erase(p_viewport);
if (is_inside_tree() && get_tree()->is_editor_hint())
return;
emit_signal(SceneStringNames::get_singleton()->viewport_exited, p_viewport);
if (viewports.size() == 0) {
emit_signal(SceneStringNames::get_singleton()->screen_exited);
_screen_exit();
}
}
void VisibilityNotifier2D::set_rect(const Rect2 &p_rect) {
rect = p_rect;
if (is_inside_tree()) {
get_world_2d()->_update_notifier(this, get_global_transform().xform(rect));
if (get_tree()->is_editor_hint()) {
update();
item_rect_changed();
}
}
_change_notify("rect");
}
Rect2 VisibilityNotifier2D::get_item_rect() const {
return rect;
}
Rect2 VisibilityNotifier2D::get_rect() const {
return rect;
}
void VisibilityNotifier2D::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_ENTER_TREE: {
//get_world_2d()->
get_world_2d()->_register_notifier(this, get_global_transform().xform(rect));
} break;
case NOTIFICATION_TRANSFORM_CHANGED: {
//get_world_2d()->
get_world_2d()->_update_notifier(this, get_global_transform().xform(rect));
} break;
case NOTIFICATION_DRAW: {
if (get_tree()->is_editor_hint()) {
draw_rect(rect, Color(1, 0.5, 1, 0.2));
}
} break;
case NOTIFICATION_EXIT_TREE: {
get_world_2d()->_remove_notifier(this);
} break;
}
}
bool VisibilityNotifier2D::is_on_screen() const {
return viewports.size() > 0;
}
void VisibilityNotifier2D::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_rect", "rect"), &VisibilityNotifier2D::set_rect);
ClassDB::bind_method(D_METHOD("get_rect"), &VisibilityNotifier2D::get_rect);
ClassDB::bind_method(D_METHOD("is_on_screen"), &VisibilityNotifier2D::is_on_screen);
ADD_PROPERTY(PropertyInfo(Variant::RECT2, "rect"), "set_rect", "get_rect");
ADD_SIGNAL(MethodInfo("viewport_entered", PropertyInfo(Variant::OBJECT, "viewport", PROPERTY_HINT_RESOURCE_TYPE, "Viewport")));
ADD_SIGNAL(MethodInfo("viewport_exited", PropertyInfo(Variant::OBJECT, "viewport", PROPERTY_HINT_RESOURCE_TYPE, "Viewport")));
ADD_SIGNAL(MethodInfo("screen_entered"));
ADD_SIGNAL(MethodInfo("screen_exited"));
}
VisibilityNotifier2D::VisibilityNotifier2D() {
rect = Rect2(-10, -10, 20, 20);
set_notify_transform(true);
}
//////////////////////////////////////
void VisibilityEnabler2D::_screen_enter() {
for (Map<Node *, Variant>::Element *E = nodes.front(); E; E = E->next()) {
_change_node_state(E->key(), true);
}
if (enabler[ENABLER_PARENT_FIXED_PROCESS] && get_parent())
get_parent()->set_fixed_process(true);
if (enabler[ENABLER_PARENT_PROCESS] && get_parent())
get_parent()->set_process(true);
visible = true;
}
void VisibilityEnabler2D::_screen_exit() {
for (Map<Node *, Variant>::Element *E = nodes.front(); E; E = E->next()) {
_change_node_state(E->key(), false);
}
if (enabler[ENABLER_PARENT_FIXED_PROCESS] && get_parent())
get_parent()->set_fixed_process(false);
if (enabler[ENABLER_PARENT_PROCESS] && get_parent())
get_parent()->set_process(false);
visible = false;
}
void VisibilityEnabler2D::_find_nodes(Node *p_node) {
bool add = false;
Variant meta;
if (enabler[ENABLER_FREEZE_BODIES]) {
RigidBody2D *rb2d = p_node->cast_to<RigidBody2D>();
if (rb2d && ((rb2d->get_mode() == RigidBody2D::MODE_CHARACTER || (rb2d->get_mode() == RigidBody2D::MODE_RIGID && !rb2d->is_able_to_sleep())))) {
add = true;
meta = rb2d->get_mode();
}
}
if (enabler[ENABLER_PAUSE_ANIMATIONS]) {
AnimationPlayer *ap = p_node->cast_to<AnimationPlayer>();
if (ap) {
add = true;
}
}
if (enabler[ENABLER_PAUSE_ANIMATED_SPRITES]) {
AnimatedSprite *as = p_node->cast_to<AnimatedSprite>();
if (as) {
add = true;
}
}
if (enabler[ENABLER_PAUSE_PARTICLES]) {
Particles2D *ps = p_node->cast_to<Particles2D>();
if (ps) {
add = true;
}
}
if (add) {
p_node->connect(SceneStringNames::get_singleton()->tree_exited, this, "_node_removed", varray(p_node), CONNECT_ONESHOT);
nodes[p_node] = meta;
_change_node_state(p_node, false);
}
for (int i = 0; i < p_node->get_child_count(); i++) {
Node *c = p_node->get_child(i);
if (c->get_filename() != String())
continue; //skip, instance
_find_nodes(c);
}
}
void VisibilityEnabler2D::_notification(int p_what) {
if (p_what == NOTIFICATION_ENTER_TREE) {
if (get_tree()->is_editor_hint())
return;
Node *from = this;
//find where current scene starts
while (from->get_parent() && from->get_filename() == String())
from = from->get_parent();
_find_nodes(from);
if (enabler[ENABLER_PARENT_FIXED_PROCESS] && get_parent())
get_parent()->set_fixed_process(false);
if (enabler[ENABLER_PARENT_PROCESS] && get_parent())
get_parent()->set_process(false);
}
if (p_what == NOTIFICATION_EXIT_TREE) {
if (get_tree()->is_editor_hint())
return;
for (Map<Node *, Variant>::Element *E = nodes.front(); E; E = E->next()) {
if (!visible)
_change_node_state(E->key(), true);
E->key()->disconnect(SceneStringNames::get_singleton()->tree_exited, this, "_node_removed");
}
nodes.clear();
}
}
void VisibilityEnabler2D::_change_node_state(Node *p_node, bool p_enabled) {
ERR_FAIL_COND(!nodes.has(p_node));
{
RigidBody2D *rb = p_node->cast_to<RigidBody2D>();
if (rb) {
rb->set_sleeping(!p_enabled);
}
}
{
AnimationPlayer *ap = p_node->cast_to<AnimationPlayer>();
if (ap) {
ap->set_active(p_enabled);
}
}
{
AnimatedSprite *as = p_node->cast_to<AnimatedSprite>();
if (as) {
if (p_enabled)
as->play();
else
as->stop();
}
}
{
Particles2D *ps = p_node->cast_to<Particles2D>();
if (ps) {
ps->set_emitting(p_enabled);
}
}
}
void VisibilityEnabler2D::_node_removed(Node *p_node) {
if (!visible)
_change_node_state(p_node, true);
//changed to one shot, not needed
//p_node->disconnect(SceneStringNames::get_singleton()->exit_scene,this,"_node_removed");
nodes.erase(p_node);
}
String VisibilityEnabler2D::get_configuration_warning() const {
#ifdef TOOLS_ENABLED
if (is_inside_tree() && get_parent() && (get_parent()->get_filename() == String() && get_parent() != get_tree()->get_edited_scene_root())) {
return TTR("VisibilityEnable2D works best when used with the edited scene root directly as parent.");
}
#endif
return String();
}
void VisibilityEnabler2D::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_enabler", "enabler", "enabled"), &VisibilityEnabler2D::set_enabler);
ClassDB::bind_method(D_METHOD("is_enabler_enabled", "enabler"), &VisibilityEnabler2D::is_enabler_enabled);
ClassDB::bind_method(D_METHOD("_node_removed"), &VisibilityEnabler2D::_node_removed);
ADD_PROPERTYI(PropertyInfo(Variant::BOOL, "pause_animations"), "set_enabler", "is_enabler_enabled", ENABLER_PAUSE_ANIMATIONS);
ADD_PROPERTYI(PropertyInfo(Variant::BOOL, "freeze_bodies"), "set_enabler", "is_enabler_enabled", ENABLER_FREEZE_BODIES);
ADD_PROPERTYI(PropertyInfo(Variant::BOOL, "pause_particles"), "set_enabler", "is_enabler_enabled", ENABLER_PAUSE_PARTICLES);
ADD_PROPERTYI(PropertyInfo(Variant::BOOL, "pause_animated_sprites"), "set_enabler", "is_enabler_enabled", ENABLER_PAUSE_ANIMATED_SPRITES);
ADD_PROPERTYI(PropertyInfo(Variant::BOOL, "process_parent"), "set_enabler", "is_enabler_enabled", ENABLER_PARENT_PROCESS);
ADD_PROPERTYI(PropertyInfo(Variant::BOOL, "fixed_process_parent"), "set_enabler", "is_enabler_enabled", ENABLER_PARENT_FIXED_PROCESS);
BIND_CONSTANT(ENABLER_FREEZE_BODIES);
BIND_CONSTANT(ENABLER_PAUSE_ANIMATIONS);
BIND_CONSTANT(ENABLER_PAUSE_PARTICLES);
BIND_CONSTANT(ENABLER_PAUSE_ANIMATED_SPRITES);
BIND_CONSTANT(ENABLER_PARENT_PROCESS);
BIND_CONSTANT(ENABLER_PARENT_FIXED_PROCESS);
BIND_CONSTANT(ENABLER_MAX);
}
void VisibilityEnabler2D::set_enabler(Enabler p_enabler, bool p_enable) {
ERR_FAIL_INDEX(p_enabler, ENABLER_MAX);
enabler[p_enabler] = p_enable;
}
bool VisibilityEnabler2D::is_enabler_enabled(Enabler p_enabler) const {
ERR_FAIL_INDEX_V(p_enabler, ENABLER_MAX, false);
return enabler[p_enabler];
}
VisibilityEnabler2D::VisibilityEnabler2D() {
for (int i = 0; i < ENABLER_MAX; i++)
enabler[i] = true;
enabler[ENABLER_PARENT_PROCESS] = false;
enabler[ENABLER_PARENT_FIXED_PROCESS] = false;
visible = false;
}
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