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godot/scene/main/canvas_layer.cpp

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/*************************************************************************/
/* canvas_layer.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2018 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 "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 Transform2D &p_xform) {
transform = p_xform;
locrotscale_dirty = true;
if (viewport.is_valid())
VisualServer::get_singleton()->viewport_set_canvas_transform(viewport, canvas->get_canvas(), transform);
}
Transform2D 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_rotation_degrees(real_t p_degrees) {
set_rotation(Math::deg2rad(p_degrees));
}
real_t CanvasLayer::get_rotation_degrees() const {
return Math::rad2deg(get_rotation());
}
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_rid();
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 = Object::cast_to<Viewport>(p_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_rid();
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(D_METHOD("set_layer", "layer"), &CanvasLayer::set_layer);
ClassDB::bind_method(D_METHOD("get_layer"), &CanvasLayer::get_layer);
ClassDB::bind_method(D_METHOD("set_transform", "transform"), &CanvasLayer::set_transform);
ClassDB::bind_method(D_METHOD("get_transform"), &CanvasLayer::get_transform);
ClassDB::bind_method(D_METHOD("set_offset", "offset"), &CanvasLayer::set_offset);
ClassDB::bind_method(D_METHOD("get_offset"), &CanvasLayer::get_offset);
ClassDB::bind_method(D_METHOD("set_rotation", "radians"), &CanvasLayer::set_rotation);
ClassDB::bind_method(D_METHOD("get_rotation"), &CanvasLayer::get_rotation);
ClassDB::bind_method(D_METHOD("set_rotation_degrees", "degrees"), &CanvasLayer::set_rotation_degrees);
ClassDB::bind_method(D_METHOD("get_rotation_degrees"), &CanvasLayer::get_rotation_degrees);
ClassDB::bind_method(D_METHOD("set_scale", "scale"), &CanvasLayer::set_scale);
ClassDB::bind_method(D_METHOD("get_scale"), &CanvasLayer::get_scale);
ClassDB::bind_method(D_METHOD("set_custom_viewport", "viewport"), &CanvasLayer::set_custom_viewport);
ClassDB::bind_method(D_METHOD("get_custom_viewport"), &CanvasLayer::get_custom_viewport);
ClassDB::bind_method(D_METHOD("get_world_2d"), &CanvasLayer::get_world_2d);
//ClassDB::bind_method(D_METHOD("get_viewport"),&CanvasLayer::get_viewport);
ADD_PROPERTY(PropertyInfo(Variant::INT, "layer", PROPERTY_HINT_RANGE, "-128,128,1"), "set_layer", "get_layer");
//ADD_PROPERTY( PropertyInfo(Variant::MATRIX32,"transform",PROPERTY_HINT_RANGE),"set_transform","get_transform") ;
ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "offset"), "set_offset", "get_offset");
ADD_PROPERTY(PropertyInfo(Variant::REAL, "rotation"), "set_rotation_degrees", "get_rotation_degrees");
ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "scale"), "set_scale", "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;
}
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