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godot/scene/main/canvas_layer.cpp

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/*************************************************************************/
/* canvas_layer.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 "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_rotation) {
if (locrotscale_dirty)
_update_locrotscale();
rot=p_rotation;
_update_xform();
}
real_t CanvasLayer::get_rotation() const {
if (locrotscale_dirty)
const_cast<CanvasLayer*>(this)->_update_locrotscale();
return rot;
}
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: {
Node *n = this;
vp=NULL;
while(n) {
if (n->cast_to<Viewport>()) {
vp = n->cast_to<Viewport>();
break;
}
n=n->get_parent();
}
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_rotationd(real_t p_rotation) {
set_rotation(Math::deg2rad(p_rotation));
}
real_t CanvasLayer::_get_rotationd() const {
return Math::rad2deg(get_rotation());
}
void CanvasLayer::_bind_methods() {
ObjectTypeDB::bind_method(_MD("set_layer","layer"),&CanvasLayer::set_layer);
ObjectTypeDB::bind_method(_MD("get_layer"),&CanvasLayer::get_layer);
ObjectTypeDB::bind_method(_MD("set_transform","transform"),&CanvasLayer::set_transform);
ObjectTypeDB::bind_method(_MD("get_transform"),&CanvasLayer::get_transform);
ObjectTypeDB::bind_method(_MD("set_offset","offset"),&CanvasLayer::set_offset);
ObjectTypeDB::bind_method(_MD("get_offset"),&CanvasLayer::get_offset);
ObjectTypeDB::bind_method(_MD("set_rotation","rotation"),&CanvasLayer::set_rotation);
ObjectTypeDB::bind_method(_MD("get_rotation"),&CanvasLayer::get_rotation);
ObjectTypeDB::bind_method(_MD("_set_rotationd","rotationd"),&CanvasLayer::_set_rotationd);
ObjectTypeDB::bind_method(_MD("_get_rotationd"),&CanvasLayer::_get_rotationd);
ObjectTypeDB::bind_method(_MD("set_scale","scale"),&CanvasLayer::set_scale);
ObjectTypeDB::bind_method(_MD("get_scale"),&CanvasLayer::get_scale);
ObjectTypeDB::bind_method(_MD("get_world_2d:Canvas"),&CanvasLayer::get_world_2d);
ObjectTypeDB::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) );
}
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