2016-03-12 01:20:51 +01:00
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/* Copyright (c) 2002-2012 Croteam Ltd.
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This program is free software; you can redistribute it and/or modify
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it under the terms of version 2 of the GNU General Public License as published by
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the Free Software Foundation
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This program 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 along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */
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2016-03-11 14:57:17 +01:00
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#ifndef SE_INCL_SELECTION_H
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#define SE_INCL_SELECTION_H
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#ifdef PRAGMA_ONCE
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#pragma once
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#endif
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#include <Engine/Templates/DynamicContainer.h>
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/*
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* A selection of some objects that support selecting.
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*/
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template <class cType, unsigned long ulFlag>
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class CSelection : public CDynamicContainer<cType> {
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public:
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/* Deselect all objects. */
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void Clear(void);
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/* Destructor. */
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~CSelection(void) { Clear(); }
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/* Select one object. */
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void Select(cType &tToSelect);
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/* Deselect one object. */
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void Deselect(cType &tToDeselect);
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/* Test if one object is selected. */
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BOOL IsSelected(cType &tToSelect);
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/* Get first in selection. NULL if empty selection */
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cType *GetFirstInSelection(void);
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};
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// macro for implementing selecting features in a class
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#define IMPLEMENT_SELECTING(m_ulFlags) \
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inline void Select(unsigned long ulFlag) { \
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m_ulFlags |= ulFlag; \
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} \
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inline void Deselect(unsigned long ulFlag) { \
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m_ulFlags &= ~ulFlag; \
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} \
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inline BOOL IsSelected(unsigned long ulFlag) const { \
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return m_ulFlags & ulFlag; \
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}
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#endif /* include-once check. */
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