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Garux
1599d0a64b
menus * View->Layers Browser (L) * Edit->Expand Selection To Layers (ctrl + q) * shift + q: move-to LayersMenu closes #133
87 lines
2.6 KiB
C++
87 lines
2.6 KiB
C++
/*
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Copyright (C) 2001-2006, William Joseph.
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All Rights Reserved.
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This file is part of GtkRadiant.
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GtkRadiant is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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GtkRadiant is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GtkRadiant; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#pragma once
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#include "scenelib.h"
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#include "string/string.h"
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#include <concepts>
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#define LAYERIDX0 0
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#define LAYERIDXPARENT -1
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template <typename F>
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concept LayerFunctor = std::invocable<F, Layer&> && std::is_void_v<std::invoke_result_t<F, Layer&>>;
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class Layer
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{
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public:
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CopiedString m_name;
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std::list<Layer> m_children;
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Layer *m_parent; // must be valid besides 0 in the root 'Layers' container
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int m_color[ 3 ]{}; // 0 0 0 = default gui color
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int m_parentIndex = LAYERIDXPARENT; // parent index during map loading // -1 parent = root
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int m_ownIndex = LAYERIDXPARENT; // own index for map writing and operator== set via update_ownIndices()
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Layer( const char *name, Layer *parent ) : m_name( name ), m_parent( parent ){
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}
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Layer( Layer&& ) noexcept = default; // no copy
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bool operator==( const Layer& other ) const {
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return m_name == other.m_name
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&& m_parent->m_ownIndex == const_cast<Layer*>( other.m_parent )->m_ownIndex
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&& !memcmp( m_color, other.m_color, sizeof( m_color ) )
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&& m_children == other.m_children;
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}
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private:
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void forEach( std::list<Layer>& layers, LayerFunctor auto&& functor ){
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for( Layer& layer : layers ){
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functor( layer );
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forEach( layer.m_children, functor );
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}
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}
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public:
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void forEach( LayerFunctor auto&& functor ){
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forEach( m_children, functor );
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}
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using iterator = decltype( m_children )::iterator;
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};
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class Layers : public Layer
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{
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public:
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STRING_CONSTANT( Name, "Layers" );
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Layer *m_currentLayer;
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Layers() : Layer( "", nullptr ){
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m_children.emplace_back( "0", this ); // add default layer
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m_currentLayer = &m_children.front();
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}
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Layers( Layers&& ) noexcept = default; // no copy
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void update_ownIndices(){
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forEach( [i = 0]( Layer& layer ) mutable { layer.m_ownIndex = i++; } );
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}
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};
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inline Layers* Node_getLayers( scene::Node& node ){
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return NodeTypeCast<Layers>::cast( node );
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}
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