/*************************************************************************/ /* viewport_container.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 "viewport_container.h" #include "core/engine.h" #include "scene/main/viewport.h" Size2 ViewportContainer::get_minimum_size() const { if (stretch) return Size2(); Size2 ms; for (int i = 0; i < get_child_count(); i++) { Viewport *c = Object::cast_to<Viewport>(get_child(i)); if (!c) continue; Size2 minsize = c->get_size(); ms.width = MAX(ms.width, minsize.width); ms.height = MAX(ms.height, minsize.height); } return ms; } void ViewportContainer::set_stretch(bool p_enable) { stretch = p_enable; queue_sort(); update(); } bool ViewportContainer::is_stretch_enabled() const { return stretch; } void ViewportContainer::set_stretch_shrink(int p_shrink) { ERR_FAIL_COND(p_shrink < 1); if (shrink == p_shrink) return; shrink = p_shrink; if (!stretch) return; for (int i = 0; i < get_child_count(); i++) { Viewport *c = Object::cast_to<Viewport>(get_child(i)); if (!c) continue; c->set_size(get_size() / shrink); } update(); } int ViewportContainer::get_stretch_shrink() const { return shrink; } void ViewportContainer::_notification(int p_what) { if (p_what == NOTIFICATION_RESIZED) { if (!stretch) return; for (int i = 0; i < get_child_count(); i++) { Viewport *c = Object::cast_to<Viewport>(get_child(i)); if (!c) continue; c->set_size(get_size() / shrink); } } if (p_what == NOTIFICATION_ENTER_TREE || p_what == NOTIFICATION_VISIBILITY_CHANGED) { for (int i = 0; i < get_child_count(); i++) { Viewport *c = Object::cast_to<Viewport>(get_child(i)); if (!c) continue; if (is_visible_in_tree()) c->set_update_mode(Viewport::UPDATE_ALWAYS); else c->set_update_mode(Viewport::UPDATE_DISABLED); } } if (p_what == NOTIFICATION_DRAW) { for (int i = 0; i < get_child_count(); i++) { Viewport *c = Object::cast_to<Viewport>(get_child(i)); if (!c) continue; if (stretch) draw_texture_rect(c->get_texture(), Rect2(Vector2(), get_size() * Size2(1, -1))); else draw_texture_rect(c->get_texture(), Rect2(Vector2(), c->get_size() * Size2(1, -1))); } } } void ViewportContainer::_input(const Ref<InputEvent> &p_event) { if (Engine::get_singleton()->is_editor_hint()) return; Transform2D xform = get_global_transform(); if (stretch) { Transform2D scale_xf; scale_xf.scale(Vector2(shrink, shrink)); xform *= scale_xf; } Ref<InputEvent> ev = p_event->xformed_by(xform.affine_inverse()); for (int i = 0; i < get_child_count(); i++) { Viewport *c = Object::cast_to<Viewport>(get_child(i)); if (!c || c->is_input_disabled()) continue; c->input(ev); } } void ViewportContainer::_bind_methods() { ClassDB::bind_method(D_METHOD("_input", "event"), &ViewportContainer::_input); ClassDB::bind_method(D_METHOD("set_stretch", "enable"), &ViewportContainer::set_stretch); ClassDB::bind_method(D_METHOD("is_stretch_enabled"), &ViewportContainer::is_stretch_enabled); ClassDB::bind_method(D_METHOD("set_stretch_shrink", "amount"), &ViewportContainer::set_stretch_shrink); ClassDB::bind_method(D_METHOD("get_stretch_shrink"), &ViewportContainer::get_stretch_shrink); ADD_PROPERTY(PropertyInfo(Variant::BOOL, "stretch"), "set_stretch", "is_stretch_enabled"); ADD_PROPERTY(PropertyInfo(Variant::INT, "stretch_shrink"), "set_stretch_shrink", "get_stretch_shrink"); } ViewportContainer::ViewportContainer() { stretch = false; shrink = 1; set_process_input(true); }