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godot/scene/main/viewport.cpp

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GODOT IS OPEN SOURCE
2014-02-10 09:10:30 +08:00
/*************************************************************************/
/* viewport.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2014 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 "viewport.h"
#include "os/os.h"
#include "scene/3d/spatial.h"
//#include "scene/3d/camera.h"
#include "servers/spatial_sound_server.h"
#include "servers/spatial_sound_2d_server.h"
#include "scene/gui/control.h"
#include "scene/3d/camera.h"
#include "scene/3d/spatial_indexer.h"
int RenderTargetTexture::get_width() const {
ERR_FAIL_COND_V(!vp,0);
return vp->rect.size.width;
}
int RenderTargetTexture::get_height() const{
ERR_FAIL_COND_V(!vp,0);
return vp->rect.size.height;
}
Size2 RenderTargetTexture::get_size() const{
ERR_FAIL_COND_V(!vp,Size2());
return vp->rect.size;
}
RID RenderTargetTexture::get_rid() const{
ERR_FAIL_COND_V(!vp,RID());
return vp->render_target_texture_rid;
}
bool RenderTargetTexture::has_alpha() const{
return false;
}
void RenderTargetTexture::set_flags(uint32_t p_flags){
}
uint32_t RenderTargetTexture::get_flags() const{
return 0;
}
RenderTargetTexture::RenderTargetTexture(Viewport *p_vp){
vp=p_vp;
}
void Viewport::_update_stretch_transform() {
if (size_override_stretch && size_override) {
stretch_transform=Matrix32();
stretch_transform.scale(rect.size/(size_override_size+size_override_margin*2));
stretch_transform.elements[2]=size_override_margin;
} else {
stretch_transform=Matrix32();
}
_update_global_transform();
}
void Viewport::_update_rect() {
if (!is_inside_scene())
return;
Node *parent = get_parent();
if (!render_target && parent && parent->cast_to<Control>()) {
Control *c = parent->cast_to<Control>();
rect.pos=Point2();
rect.size=c->get_size();
}
VisualServer::ViewportRect vr;
vr.x=rect.pos.x;
vr.y=rect.pos.y;
if (render_target) {
vr.x=0;
vr.y=0;
}
vr.width=rect.size.width;
vr.height=rect.size.height;
VisualServer::get_singleton()->viewport_set_rect(viewport,vr);
if (canvas_item.is_valid()) {
VisualServer::get_singleton()->canvas_item_set_custom_rect(canvas_item,true,rect);
}
emit_signal("size_changed");
}
void Viewport::_parent_resized() {
_update_rect();
}
void Viewport::_parent_draw() {
}
void Viewport::_parent_visibility_changed() {
Node *parent = get_parent();
if (parent && parent->cast_to<Control>()) {
Control *c = parent->cast_to<Control>();
VisualServer::get_singleton()->canvas_item_set_visible(canvas_item,c->is_visible());
}
}
void Viewport::_vp_enter_scene() {
Node *parent = get_parent();
//none?
if (parent && parent->cast_to<Control>()) {
Control *cparent=parent->cast_to<Control>();
RID parent_ci = cparent->get_canvas_item();
ERR_FAIL_COND(!parent_ci.is_valid());
canvas_item = VisualServer::get_singleton()->canvas_item_create();
VisualServer::get_singleton()->canvas_item_set_parent(canvas_item,parent_ci);
VisualServer::get_singleton()->canvas_item_set_visible(canvas_item,false);
VisualServer::get_singleton()->canvas_item_attach_viewport(canvas_item,viewport);
parent->connect("resized",this,"_parent_resized");
parent->connect("visibility_changed",this,"_parent_visibility_changed");
} else if (!parent){
VisualServer::get_singleton()->viewport_attach_to_screen(viewport,0);
}
}
void Viewport::_vp_exit_scene() {
Node *parent = get_parent();
if (parent && parent->cast_to<Control>()) {
parent->disconnect("resized",this,"_parent_resized");
}
if (parent && parent->cast_to<Control>()) {
parent->disconnect("visibility_changed",this,"_parent_visibility_changed");
}
if (canvas_item.is_valid()) {
VisualServer::get_singleton()->free(canvas_item);
canvas_item=RID();
}
if (!parent) {
VisualServer::get_singleton()->viewport_detach(viewport);
}
}
void Viewport::update_worlds() {
if (!is_inside_scene())
return;
Rect2 xformed_rect = (global_canvas_transform * canvas_transform).affine_inverse().xform(get_visible_rect());
find_world_2d()->_update_viewport(this,xformed_rect);
find_world_2d()->_update();
find_world()->_update(get_scene()->get_frame());
}
void Viewport::_notification(int p_what) {
switch( p_what ) {
case NOTIFICATION_ENTER_SCENE: {
if (!render_target)
_vp_enter_scene();
this->parent=NULL;
Node *parent=get_parent();
if (parent) {
while(parent && !(this->parent=parent->cast_to<Viewport>())) {
parent=parent->get_parent();
}
}
current_canvas=find_world_2d()->get_canvas();
VisualServer::get_singleton()->viewport_set_scenario(viewport,find_world()->get_scenario());
VisualServer::get_singleton()->viewport_attach_canvas(viewport,current_canvas);
_update_listener();
_update_listener_2d();
_update_rect();
if (world_2d.is_valid()) {
find_world_2d()->_register_viewport(this,Rect2());
//best to defer this and not do it here, as it can annoy a lot of setup logic if user
//adds a node and then moves it, will get enter/exit screen/viewport notifications
//unnecesarily
// update_worlds();
}
add_to_group("_viewports");
} break;
case NOTIFICATION_READY: {
if (cameras.size() && !camera) {
//there are cameras but no current camera, pick first in tree and make it current
Camera *first=NULL;
for(Set<Camera*>::Element *E=cameras.front();E;E=E->next()) {
if (first==NULL || first->is_greater_than(E->get())) {
first=E->get();
}
}
if (first)
first->make_current();
}
} break;
case NOTIFICATION_EXIT_SCENE: {
if (world_2d.is_valid())
world_2d->_remove_viewport(this);
if (!render_target)
_vp_exit_scene();
VisualServer::get_singleton()->viewport_set_scenario(viewport,RID());
SpatialSoundServer::get_singleton()->listener_set_space(listener,RID());
VisualServer::get_singleton()->viewport_remove_canvas(viewport,current_canvas);
remove_from_group("_viewports");
} break;
}
}
RID Viewport::get_viewport() const {
return viewport;
}
void Viewport::set_rect(const Rect2& p_rect) {
if (rect==p_rect)
return;
rect=p_rect;
_update_rect();
_update_stretch_transform();
}
Rect2 Viewport::get_visible_rect() const {
Rect2 r;
if (rect.pos==Vector2() && rect.size==Size2()) {
r=Rect2( Point2(), Size2( OS::get_singleton()->get_video_mode().width, OS::get_singleton()->get_video_mode().height ) );
} else {
r=Rect2( rect.pos , rect.size );
}
if (size_override) {
r.size=size_override_size;
}
return r;
}
Rect2 Viewport::get_rect() const {
return rect;
}
void Viewport::_update_listener() {
if (is_inside_scene() && audio_listener && camera) {
SpatialSoundServer::get_singleton()->listener_set_space(listener,find_world()->get_sound_space());
} else {
SpatialSoundServer::get_singleton()->listener_set_space(listener,RID());
}
}
void Viewport::_update_listener_2d() {
if (is_inside_scene() && audio_listener_2d)
SpatialSound2DServer::get_singleton()->listener_set_space(listener_2d,find_world_2d()->get_sound_space());
else
SpatialSound2DServer::get_singleton()->listener_set_space(listener_2d,RID());
}
void Viewport::set_as_audio_listener(bool p_enable) {
if (p_enable==audio_listener)
return;
audio_listener=p_enable;
_update_listener();
}
bool Viewport::is_audio_listener() const {
return audio_listener;
}
void Viewport::set_as_audio_listener_2d(bool p_enable) {
if (p_enable==audio_listener_2d)
return;
audio_listener_2d=p_enable;
_update_listener_2d();
}
bool Viewport::is_audio_listener_2d() const {
return audio_listener_2d;
}
void Viewport::set_canvas_transform(const Matrix32& p_transform) {
canvas_transform=p_transform;
VisualServer::get_singleton()->viewport_set_canvas_transform(viewport,find_world_2d()->get_canvas(),canvas_transform);
Matrix32 xform = (global_canvas_transform * canvas_transform).affine_inverse();
Size2 ss = get_visible_rect().size;
SpatialSound2DServer::get_singleton()->listener_set_transform(listener_2d,Matrix32(0,xform.xform(ss*0.5)));
Vector2 ss2 = ss*xform.get_scale();
float panrange = MAX(ss2.x,ss2.y);
SpatialSound2DServer::get_singleton()->listener_set_param(listener_2d,SpatialSound2DServer::LISTENER_PARAM_PAN_RANGE,panrange);
}
Matrix32 Viewport::get_canvas_transform() const{
return canvas_transform;
}
void Viewport::_update_global_transform() {
Matrix32 sxform = stretch_transform * global_canvas_transform;
VisualServer::get_singleton()->viewport_set_global_canvas_transform(viewport,sxform);
Matrix32 xform = (sxform * canvas_transform).affine_inverse();
Size2 ss = get_visible_rect().size;
SpatialSound2DServer::get_singleton()->listener_set_transform(listener_2d,Matrix32(0,xform.xform(ss*0.5)));
Vector2 ss2 = ss*xform.get_scale();
float panrange = MAX(ss2.x,ss2.y);
SpatialSound2DServer::get_singleton()->listener_set_param(listener_2d,SpatialSound2DServer::LISTENER_PARAM_PAN_RANGE,panrange);
}
void Viewport::set_global_canvas_transform(const Matrix32& p_transform) {
global_canvas_transform=p_transform;
_update_global_transform();
}
Matrix32 Viewport::get_global_canvas_transform() const{
return global_canvas_transform;
}
void Viewport::_camera_transform_changed_notify() {
#ifndef _3D_DISABLED
if (camera)
SpatialSoundServer::get_singleton()->listener_set_transform(listener,camera->get_camera_transform());
#endif
}
void Viewport::_set_camera(Camera* p_camera) {
#ifndef _3D_DISABLED
if (camera==p_camera)
return;
if (camera && find_world().is_valid()) {
camera->notification(Camera::NOTIFICATION_LOST_CURRENT);
}
camera=p_camera;
if (camera)
VisualServer::get_singleton()->viewport_attach_camera(viewport,camera->get_camera());
else
VisualServer::get_singleton()->viewport_attach_camera(viewport,RID());
if (camera && find_world().is_valid()) {
camera->notification(Camera::NOTIFICATION_BECAME_CURRENT);
}
_update_listener();
_camera_transform_changed_notify();
#endif
}
void Viewport::set_transparent_background(bool p_enable) {
transparent_bg=p_enable;
VS::get_singleton()->viewport_set_transparent_background(viewport,p_enable);
}
bool Viewport::has_transparent_background() const {
return transparent_bg;
}
#if 0
void Viewport::set_world_2d(const Ref<World2D>& p_world_2d) {
world_2d=p_world_2d;
_update_listener_2d();
if (is_inside_scene()) {
if (current_canvas.is_valid())
VisualServer::get_singleton()->viewport_remove_canvas(viewport,current_canvas);
current_canvas=find_world_2d()->get_canvas();
VisualServer::get_singleton()->viewport_attach_canvas(viewport,current_canvas);
}
}
Ref<World2D> Viewport::find_world_2d() const{
if (world_2d.is_valid())
return world_2d;
else if (parent)
return parent->find_world_2d();
else
return Ref<World2D>();
}
#endif
Ref<World2D> Viewport::find_world_2d() const{
return world_2d;
}
void Viewport::_propagate_enter_world(Node *p_node) {
if (p_node!=this) {
if (!p_node->is_inside_scene()) //may not have entered scene yet
return;
Spatial *s = p_node->cast_to<Spatial>();
if (s) {
s->notification(Spatial::NOTIFICATION_ENTER_WORLD);
} else {
Viewport *v = p_node->cast_to<Viewport>();
if (v) {
if (v->world.is_valid())
return;
}
}
}
for(int i=0;i<p_node->get_child_count();i++) {
_propagate_enter_world(p_node->get_child(i));
}
}
void Viewport::_propagate_exit_world(Node *p_node) {
if (p_node!=this) {
if (!p_node->is_inside_scene()) //may have exited scene already
return;
Spatial *s = p_node->cast_to<Spatial>();
if (s) {
s->notification(Spatial::NOTIFICATION_EXIT_WORLD,false);
} else {
Viewport *v = p_node->cast_to<Viewport>();
if (v) {
if (v->world.is_valid())
return;
}
}
}
for(int i=0;i<p_node->get_child_count();i++) {
_propagate_exit_world(p_node->get_child(i));
}
}
void Viewport::set_world(const Ref<World>& p_world) {
if (world==p_world)
return;
if (is_inside_scene())
_propagate_exit_world(this);
#ifndef _3D_DISABLED
if (find_world().is_valid() && camera)
camera->notification(Camera::NOTIFICATION_LOST_CURRENT);
#endif
world=p_world;
if (is_inside_scene())
_propagate_enter_world(this);
#ifndef _3D_DISABLED
if (find_world().is_valid() && camera)
camera->notification(Camera::NOTIFICATION_BECAME_CURRENT);
#endif
//propagate exit
if (is_inside_scene()) {
VisualServer::get_singleton()->viewport_set_scenario(viewport,find_world()->get_scenario());
}
_update_listener();
}
Ref<World> Viewport::get_world() const{
return world;
}
Ref<World> Viewport::find_world() const{
if (world.is_valid())
return world;
else if (parent)
return parent->find_world();
else
return Ref<World>();
}
Camera* Viewport::get_camera() const {
return camera;
}
Matrix32 Viewport::get_final_transform() const {
return stretch_transform * global_canvas_transform;
}
void Viewport::set_size_override(bool p_enable, const Size2& p_size, const Vector2 &p_margin) {
if (size_override==p_enable && p_size==size_override_size)
return;
size_override=p_enable;
if (p_size.x>=0 || p_size.y>=0) {
size_override_size=p_size;
}
size_override_margin=p_margin;
_update_rect();
_update_stretch_transform();
}
Size2 Viewport::get_size_override() const {
return size_override_size;
}
bool Viewport::is_size_override_enabled() const {
return size_override;
}
void Viewport::set_size_override_stretch(bool p_enable) {
if (p_enable==size_override_stretch)
return;
size_override_stretch=p_enable;
if (size_override) {
_update_rect();
}
_update_stretch_transform();
}
bool Viewport::is_size_override_stretch_enabled() const {
return size_override;
}
void Viewport::set_as_render_target(bool p_enable){
if (render_target==p_enable)
return;
render_target=p_enable;
VS::get_singleton()->viewport_set_as_render_target(viewport,p_enable);
if (is_inside_scene()) {
if (p_enable)
_vp_exit_scene();
else
_vp_enter_scene();
}
if (p_enable) {
render_target_texture_rid = VS::get_singleton()->viewport_get_render_target_texture(viewport);
} else {
render_target_texture_rid=RID();
}
}
bool Viewport::is_set_as_render_target() const{
return render_target;
}
void Viewport::set_render_target_update_mode(RenderTargetUpdateMode p_mode){
render_target_update_mode=p_mode;
VS::get_singleton()->viewport_set_render_target_update_mode(viewport,VS::RenderTargetUpdateMode(p_mode));
}
Viewport::RenderTargetUpdateMode Viewport::get_render_target_update_mode() const{
return render_target_update_mode;
}
//RID get_render_target_texture() const;
void Viewport::queue_screen_capture(){
VS::get_singleton()->viewport_queue_screen_capture(viewport);
}
Image Viewport::get_screen_capture() const {
return VS::get_singleton()->viewport_get_screen_capture(viewport);
}
Ref<RenderTargetTexture> Viewport::get_render_target_texture() const {
return render_target_texture;
}
void Viewport::_bind_methods() {
ObjectTypeDB::bind_method(_MD("set_rect","rect"), &Viewport::set_rect);
ObjectTypeDB::bind_method(_MD("get_rect"), &Viewport::get_rect);
//ObjectTypeDB::bind_method(_MD("set_world_2d","world_2d:World2D"), &Viewport::set_world_2d);
//ObjectTypeDB::bind_method(_MD("get_world_2d:World2D"), &Viewport::get_world_2d);
ObjectTypeDB::bind_method(_MD("find_world_2d:World2D"), &Viewport::find_world_2d);
ObjectTypeDB::bind_method(_MD("set_world","world:World"), &Viewport::set_world);
ObjectTypeDB::bind_method(_MD("get_world:World"), &Viewport::get_world);
ObjectTypeDB::bind_method(_MD("find_world:World"), &Viewport::find_world);
ObjectTypeDB::bind_method(_MD("set_canvas_transform","xform"), &Viewport::set_canvas_transform);
ObjectTypeDB::bind_method(_MD("get_canvas_transform"), &Viewport::get_canvas_transform);
ObjectTypeDB::bind_method(_MD("set_global_canvas_transform","xform"), &Viewport::set_global_canvas_transform);
ObjectTypeDB::bind_method(_MD("get_global_canvas_transform"), &Viewport::get_global_canvas_transform);
ObjectTypeDB::bind_method(_MD("get_final_transform"), &Viewport::get_final_transform);
ObjectTypeDB::bind_method(_MD("get_visible_rect"), &Viewport::get_visible_rect);
ObjectTypeDB::bind_method(_MD("set_transparent_background","enable"), &Viewport::set_transparent_background);
ObjectTypeDB::bind_method(_MD("has_transparent_background"), &Viewport::has_transparent_background);
ObjectTypeDB::bind_method(_MD("_parent_visibility_changed"), &Viewport::_parent_visibility_changed);
ObjectTypeDB::bind_method(_MD("_parent_resized"), &Viewport::_parent_resized);
ObjectTypeDB::bind_method(_MD("set_size_override","enable","size","margin"), &Viewport::set_size_override,DEFVAL(Size2(-1,-1)),DEFVAL(Size2(0,0)));
ObjectTypeDB::bind_method(_MD("get_size_override"), &Viewport::get_size_override);
ObjectTypeDB::bind_method(_MD("is_size_override_enabled"), &Viewport::is_size_override_enabled);
ObjectTypeDB::bind_method(_MD("set_size_override_stretch","enabled"), &Viewport::set_size_override_stretch);
ObjectTypeDB::bind_method(_MD("is_size_override_stretch_enabled"), &Viewport::is_size_override_stretch_enabled);
ObjectTypeDB::bind_method(_MD("queue_screen_capture"), &Viewport::queue_screen_capture);
ObjectTypeDB::bind_method(_MD("get_screen_capture"), &Viewport::get_screen_capture);
ObjectTypeDB::bind_method(_MD("set_as_render_target","enable"), &Viewport::set_as_render_target);
ObjectTypeDB::bind_method(_MD("is_set_as_render_target"), &Viewport::is_set_as_render_target);
-Added ATITC texture support -Fixed bug of some tabs showing wrong names -Exported properties for viewport
2014-02-26 21:08:17 +08:00
ObjectTypeDB::bind_method(_MD("set_render_target_update_mode","mode"), &Viewport::set_render_target_update_mode);
ObjectTypeDB::bind_method(_MD("get_render_target_update_mode"), &Viewport::get_render_target_update_mode);
ObjectTypeDB::bind_method(_MD("get_render_target_texture:RenderTargetTexture"), &Viewport::get_render_target_texture);
GODOT IS OPEN SOURCE
2014-02-10 09:10:30 +08:00
ObjectTypeDB::bind_method(_MD("get_viewport"), &Viewport::get_viewport);
-Added ATITC texture support -Fixed bug of some tabs showing wrong names -Exported properties for viewport
2014-02-26 21:08:17 +08:00
GODOT IS OPEN SOURCE
2014-02-10 09:10:30 +08:00
ObjectTypeDB::bind_method(_MD("update_worlds"), &Viewport::update_worlds);
-Added ATITC texture support -Fixed bug of some tabs showing wrong names -Exported properties for viewport
2014-02-26 21:08:17 +08:00
ObjectTypeDB::bind_method(_MD("set_as_audio_listener","enable"), &Viewport::set_as_audio_listener);
ObjectTypeDB::bind_method(_MD("is_audio_listener","enable"), &Viewport::is_audio_listener);
ObjectTypeDB::bind_method(_MD("set_as_audio_listener_2d","enable"), &Viewport::set_as_audio_listener_2d);
ObjectTypeDB::bind_method(_MD("is_audio_listener_2d","enable"), &Viewport::is_audio_listener_2d);
ADD_PROPERTY( PropertyInfo(Variant::RECT2,"rect"), _SCS("set_rect"), _SCS("get_rect") );
GODOT IS OPEN SOURCE
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ADD_PROPERTY( PropertyInfo(Variant::OBJECT,"world",PROPERTY_HINT_RESOURCE_TYPE,"World"), _SCS("set_world"), _SCS("get_world") );
// ADD_PROPERTY( PropertyInfo(Variant::OBJECT,"world_2d",PROPERTY_HINT_RESOURCE_TYPE,"World2D"), _SCS("set_world_2d"), _SCS("get_world_2d") );
ADD_PROPERTY( PropertyInfo(Variant::BOOL,"transparent_bg"), _SCS("set_transparent_background"), _SCS("has_transparent_background") );
-Added ATITC texture support -Fixed bug of some tabs showing wrong names -Exported properties for viewport
2014-02-26 21:08:17 +08:00
ADD_PROPERTY( PropertyInfo(Variant::BOOL,"render_target/enabled"), _SCS("set_as_render_target"), _SCS("is_set_as_render_target") );
ADD_PROPERTY( PropertyInfo(Variant::INT,"render_target/update_mode",PROPERTY_HINT_ENUM,"Disabled,Once,When Visible,Always"), _SCS("set_render_target_update_mode"), _SCS("get_render_target_update_mode") );
ADD_PROPERTY( PropertyInfo(Variant::BOOL,"audio_listener/enable_2d"), _SCS("set_as_audio_listener_2d"), _SCS("is_audio_listener_2d") );
ADD_PROPERTY( PropertyInfo(Variant::BOOL,"audio_listener/enable_3d"), _SCS("set_as_audio_listener"), _SCS("is_audio_listener") );
GODOT IS OPEN SOURCE
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ADD_SIGNAL(MethodInfo("size_changed"));
-Added ATITC texture support -Fixed bug of some tabs showing wrong names -Exported properties for viewport
2014-02-26 21:08:17 +08:00
BIND_CONSTANT( RENDER_TARGET_UPDATE_DISABLED );
BIND_CONSTANT( RENDER_TARGET_UPDATE_ONCE );
BIND_CONSTANT( RENDER_TARGET_UPDATE_WHEN_VISIBLE );
BIND_CONSTANT( RENDER_TARGET_UPDATE_ALWAYS );
GODOT IS OPEN SOURCE
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}
Viewport::Viewport() {
world_2d = Ref<World2D>( memnew( World2D ));
viewport = VisualServer::get_singleton()->viewport_create();
listener=SpatialSoundServer::get_singleton()->listener_create();
audio_listener=false;
listener_2d=SpatialSound2DServer::get_singleton()->listener_create();
audio_listener_2d=false;
transparent_bg=false;
parent=NULL;
camera=NULL;
size_override=false;
size_override_stretch=false;
size_override_size=Size2(1,1);
render_target=false;
render_target_update_mode=RENDER_TARGET_UPDATE_WHEN_VISIBLE;
render_target_texture = Ref<RenderTargetTexture>( memnew( RenderTargetTexture(this) ) );
}
Viewport::~Viewport() {
VisualServer::get_singleton()->free( viewport );
SpatialSoundServer::get_singleton()->free(listener);
if (render_target_texture.is_valid())
render_target_texture->vp=NULL; //so if used, will crash
}
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