139 lines
4.3 KiB
C++
139 lines
4.3 KiB
C++
/*************************************************************************/
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/* parallax_layer.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "parallax_layer.h"
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#include "parallax_background.h"
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void ParallaxLayer::set_motion_scale(const Size2& p_scale) {
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motion_scale=p_scale;
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}
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Size2 ParallaxLayer::get_motion_scale() const {
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return motion_scale;
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}
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void ParallaxLayer::_update_mirroring() {
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if (!get_parent())
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return;
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ParallaxBackground *pb = get_parent()->cast_to<ParallaxBackground>();
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if (pb) {
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RID c = pb->get_world_2d()->get_canvas();
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RID ci = get_canvas_item();
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VisualServer::get_singleton()->canvas_set_item_mirroring(c,ci,mirroring);
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}
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}
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void ParallaxLayer::set_mirroring(const Size2& p_mirroring) {
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mirroring=p_mirroring;
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_update_mirroring();
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}
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Size2 ParallaxLayer::get_mirroring() const{
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return mirroring;
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}
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void ParallaxLayer::_notification(int p_what) {
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switch(p_what) {
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case NOTIFICATION_ENTER_SCENE: {
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orig_offset=get_pos();
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orig_scale=get_scale();
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_update_mirroring();
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} break;
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}
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}
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void ParallaxLayer::set_base_offset_and_scale(const Point2& p_offset,float p_scale) {
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if (!is_inside_scene())
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return;
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if (get_scene()->is_editor_hint())
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return;
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Point2 new_ofs = ((orig_offset+p_offset)*motion_scale)*p_scale;
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if (mirroring.x) {
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while( new_ofs.x>=0) {
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new_ofs.x -= mirroring.x*p_scale;
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}
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while(new_ofs.x < -mirroring.x*p_scale) {
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new_ofs.x += mirroring.x*p_scale;
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}
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}
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if (mirroring.y) {
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while( new_ofs.y>=0) {
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new_ofs.y -= mirroring.y*p_scale;
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}
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while(new_ofs.y < -mirroring.y*p_scale) {
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new_ofs.y += mirroring.y*p_scale;
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}
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}
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set_pos(new_ofs);
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set_scale(Vector2(1,1)*p_scale);
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}
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void ParallaxLayer::_bind_methods() {
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ObjectTypeDB::bind_method(_MD("set_motion_scale","scale"),&ParallaxLayer::set_motion_scale);
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ObjectTypeDB::bind_method(_MD("get_motion_scale"),&ParallaxLayer::get_motion_scale);
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ObjectTypeDB::bind_method(_MD("set_mirroring","mirror"),&ParallaxLayer::set_mirroring);
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ObjectTypeDB::bind_method(_MD("get_mirroring"),&ParallaxLayer::get_mirroring);
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ADD_PROPERTY( PropertyInfo(Variant::VECTOR2,"motion/scale"),_SCS("set_motion_scale"),_SCS("get_motion_scale"));
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ADD_PROPERTY( PropertyInfo(Variant::VECTOR2,"motion/mirroring"),_SCS("set_mirroring"),_SCS("get_mirroring"));
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}
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ParallaxLayer::ParallaxLayer()
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{
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motion_scale=Size2(1,1);
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}
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