godot/scene/main/canvas_layer.cpp
Juan Linietsky 118eed485e ObjectTypeDB was renamed to ClassDB. Types are meant to be more generic to Variant.
All usages of "type" to refer to classes were renamed to "class"
ClassDB has been exposed to GDScript.
OBJ_TYPE() macro is now GDCLASS()
2017-01-02 23:03:46 -03:00

310 lines
8.9 KiB
C++

/*************************************************************************/
/* canvas_layer.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 "canvas_layer.h"
#include "viewport.h"
void CanvasLayer::set_layer(int p_xform) {
layer=p_xform;
if (viewport.is_valid())
VisualServer::get_singleton()->viewport_set_canvas_layer(viewport,canvas->get_canvas(),layer);
}
int CanvasLayer::get_layer() const{
return layer;
}
void CanvasLayer::set_transform(const Matrix32& p_xform) {
transform=p_xform;
locrotscale_dirty=true;
if (viewport.is_valid())
VisualServer::get_singleton()->viewport_set_canvas_transform(viewport,canvas->get_canvas(),transform);
}
Matrix32 CanvasLayer::get_transform() const {
return transform;
}
void CanvasLayer::_update_xform() {
transform.set_rotation_and_scale(rot,scale);
transform.set_origin(ofs);
if (viewport.is_valid())
VisualServer::get_singleton()->viewport_set_canvas_transform(viewport,canvas->get_canvas(),transform);
}
void CanvasLayer::_update_locrotscale() {
ofs=transform.elements[2];
rot=transform.get_rotation();
scale=transform.get_scale();
locrotscale_dirty=false;
}
void CanvasLayer::set_offset(const Vector2& p_offset) {
if (locrotscale_dirty)
_update_locrotscale();
ofs=p_offset;
_update_xform();
}
Vector2 CanvasLayer::get_offset() const {
if (locrotscale_dirty)
const_cast<CanvasLayer*>(this)->_update_locrotscale();
return ofs;
}
void CanvasLayer::set_rotation(real_t p_radians) {
if (locrotscale_dirty)
_update_locrotscale();
rot=p_radians;
_update_xform();
}
real_t CanvasLayer::get_rotation() const {
if (locrotscale_dirty)
const_cast<CanvasLayer*>(this)->_update_locrotscale();
return rot;
}
void CanvasLayer::set_rotationd(real_t p_degrees) {
set_rotation(Math::deg2rad(p_degrees));
}
real_t CanvasLayer::get_rotationd() const {
return Math::rad2deg(get_rotation());
}
// Kept for compatibility after rename to {s,g}et_rotationd.
// Could be removed after a couple releases.
void CanvasLayer::_set_rotationd(real_t p_degrees) {
WARN_PRINT("Deprecated method CanvasLayer._set_rotationd(): This method was renamed to set_rotationd. Please adapt your code accordingly, as the old method will be obsoleted.");
set_rotationd(p_degrees);
}
real_t CanvasLayer::_get_rotationd() const {
WARN_PRINT("Deprecated method CanvasLayer._get_rotationd(): This method was renamed to get_rotationd. Please adapt your code accordingly, as the old method will be obsoleted.");
return get_rotationd();
}
void CanvasLayer::set_scale(const Vector2& p_scale) {
if (locrotscale_dirty)
_update_locrotscale();
scale=p_scale;
_update_xform();
}
Vector2 CanvasLayer::get_scale() const {
if (locrotscale_dirty)
const_cast<CanvasLayer*>(this)->_update_locrotscale();
return scale;
}
Ref<World2D> CanvasLayer::get_world_2d() const {
return canvas;
}
void CanvasLayer::_notification(int p_what) {
switch(p_what) {
case NOTIFICATION_ENTER_TREE: {
if (custom_viewport && ObjectDB::get_instance(custom_viewport_id)) {
vp=custom_viewport;
} else {
vp=Node::get_viewport();
}
ERR_FAIL_COND(!vp);
viewport=vp->get_viewport();
VisualServer::get_singleton()->viewport_attach_canvas(viewport,canvas->get_canvas());
VisualServer::get_singleton()->viewport_set_canvas_layer(viewport,canvas->get_canvas(),layer);
VisualServer::get_singleton()->viewport_set_canvas_transform(viewport,canvas->get_canvas(),transform);
} break;
case NOTIFICATION_EXIT_TREE: {
VisualServer::get_singleton()->viewport_remove_canvas(viewport,canvas->get_canvas());
viewport=RID();
} break;
}
}
Size2 CanvasLayer::get_viewport_size() const {
if (!is_inside_tree())
return Size2(1,1);
Rect2 r = vp->get_visible_rect();
return r.size;
}
RID CanvasLayer::get_viewport() const {
return viewport;
}
void CanvasLayer::set_custom_viewport(Node *p_viewport) {
ERR_FAIL_NULL(p_viewport);
if (is_inside_tree()) {
VisualServer::get_singleton()->viewport_remove_canvas(viewport,canvas->get_canvas());
viewport=RID();
}
custom_viewport=p_viewport->cast_to<Viewport>();
if (custom_viewport) {
custom_viewport_id=custom_viewport->get_instance_ID();
} else {
custom_viewport_id=0;
}
if (is_inside_tree()) {
if (custom_viewport)
vp=custom_viewport;
else
vp=Node::get_viewport();
viewport = vp->get_viewport();
VisualServer::get_singleton()->viewport_attach_canvas(viewport,canvas->get_canvas());
VisualServer::get_singleton()->viewport_set_canvas_layer(viewport,canvas->get_canvas(),layer);
VisualServer::get_singleton()->viewport_set_canvas_transform(viewport,canvas->get_canvas(),transform);
}
}
Node* CanvasLayer::get_custom_viewport() const {
return custom_viewport;
}
void CanvasLayer::reset_sort_index() {
sort_index=0;
}
int CanvasLayer::get_sort_index() {
return sort_index++;
}
void CanvasLayer::_bind_methods() {
ClassDB::bind_method(_MD("set_layer","layer"),&CanvasLayer::set_layer);
ClassDB::bind_method(_MD("get_layer"),&CanvasLayer::get_layer);
ClassDB::bind_method(_MD("set_transform","transform"),&CanvasLayer::set_transform);
ClassDB::bind_method(_MD("get_transform"),&CanvasLayer::get_transform);
ClassDB::bind_method(_MD("set_offset","offset"),&CanvasLayer::set_offset);
ClassDB::bind_method(_MD("get_offset"),&CanvasLayer::get_offset);
ClassDB::bind_method(_MD("set_rotation","radians"),&CanvasLayer::set_rotation);
ClassDB::bind_method(_MD("get_rotation"),&CanvasLayer::get_rotation);
ClassDB::bind_method(_MD("set_rotationd","degrees"),&CanvasLayer::set_rotationd);
ClassDB::bind_method(_MD("get_rotationd"),&CanvasLayer::get_rotationd);
// TODO: Obsolete those two methods (old name) properly (GH-4397)
ClassDB::bind_method(_MD("_set_rotationd","degrees"),&CanvasLayer::_set_rotationd);
ClassDB::bind_method(_MD("_get_rotationd"),&CanvasLayer::_get_rotationd);
ClassDB::bind_method(_MD("set_scale","scale"),&CanvasLayer::set_scale);
ClassDB::bind_method(_MD("get_scale"),&CanvasLayer::get_scale);
ClassDB::bind_method(_MD("set_custom_viewport","viewport:Viewport"),&CanvasLayer::set_custom_viewport);
ClassDB::bind_method(_MD("get_custom_viewport:Viewport"),&CanvasLayer::get_custom_viewport);
ClassDB::bind_method(_MD("get_world_2d:World2D"),&CanvasLayer::get_world_2d);
// ClassDB::bind_method(_MD("get_viewport"),&CanvasLayer::get_viewport);
ADD_PROPERTY( PropertyInfo(Variant::INT,"layer",PROPERTY_HINT_RANGE,"-128,128,1"),_SCS("set_layer"),_SCS("get_layer") );
//ADD_PROPERTY( PropertyInfo(Variant::MATRIX32,"transform",PROPERTY_HINT_RANGE),_SCS("set_transform"),_SCS("get_transform") );
ADD_PROPERTY( PropertyInfo(Variant::VECTOR2,"offset"),_SCS("set_offset"),_SCS("get_offset") );
ADD_PROPERTY( PropertyInfo(Variant::REAL,"rotation"),_SCS("set_rotationd"),_SCS("get_rotationd") );
ADD_PROPERTY( PropertyInfo(Variant::VECTOR2,"scale"),_SCS("set_scale"),_SCS("get_scale") );
}
CanvasLayer::CanvasLayer() {
vp=NULL;
scale=Vector2(1,1);
rot=0;
locrotscale_dirty=false;
layer=1;
canvas = Ref<World2D>( memnew(World2D) );
custom_viewport=NULL;
custom_viewport_id=0;
sort_index=0;
}