mirror of
https://github.com/ptitSeb/Serious-Engine
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123 lines
2.9 KiB
C++
123 lines
2.9 KiB
C++
/* 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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#include "stdh.h"
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#include <Engine/Base/Relations.h>
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#include <Engine/Base/ListIterator.inl>
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/////////////////////////////////////////////////////////////////////
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// CRelationSrc
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// Construction/destruction.
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CRelationSrc::CRelationSrc(void)
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{
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}
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CRelationSrc::~CRelationSrc(void)
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{
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Clear();
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}
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void CRelationSrc::Clear(void)
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{
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// just delete all links, they will unlink on destruction
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FORDELETELIST(CRelationLnk, rl_lnSrc, *this, itlnk) {
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delete &*itlnk;
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}
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}
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/////////////////////////////////////////////////////////////////////
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// CRelationDst
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// Construction/destruction.
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CRelationDst::CRelationDst(void)
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{
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}
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CRelationDst::~CRelationDst(void)
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{
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Clear();
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}
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void CRelationDst::Clear(void)
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{
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// just delete all links, they will unlink on destruction
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FORDELETELIST(CRelationLnk, rl_lnDst, *this, itlnk) {
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delete &*itlnk;
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}
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}
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/////////////////////////////////////////////////////////////////////
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// CRelationLnk
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// Construction/destruction.
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CRelationLnk::CRelationLnk(void)
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{
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}
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CRelationLnk::~CRelationLnk(void)
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{
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// unlink from both domain and codomain members
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rl_lnSrc.Remove();
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rl_lnDst.Remove();
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}
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// Get the domain member of this pair.
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CRelationSrc &CRelationLnk::GetSrc(void)
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{
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return *rl_prsSrc;
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}
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// Get the codomain member of this pair.
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CRelationDst &CRelationLnk::GetDst(void)
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{
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return *rl_prdDst;
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}
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// Global functions for creating relations.
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void AddRelationPair(CRelationSrc &rsSrc, CRelationDst &rdDst)
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{
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// create a new link
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CRelationLnk &lnk = *new CRelationLnk;
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lnk.rl_prsSrc = &rsSrc;
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lnk.rl_prdDst = &rdDst;
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// add the link to the domain and codomain members
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rsSrc.AddTail(lnk.rl_lnSrc);
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rdDst.AddTail(lnk.rl_lnDst);
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}
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void AddRelationPairTailTail(CRelationSrc &rsSrc, CRelationDst &rdDst)
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{
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// create a new link
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CRelationLnk &lnk = *new CRelationLnk;
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lnk.rl_prsSrc = &rsSrc;
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lnk.rl_prdDst = &rdDst;
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// add the link to the domain and codomain members
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rsSrc.AddTail(lnk.rl_lnSrc);
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rdDst.AddTail(lnk.rl_lnDst);
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}
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void AddRelationPairHeadHead(CRelationSrc &rsSrc, CRelationDst &rdDst)
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{
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// create a new link
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CRelationLnk &lnk = *new CRelationLnk;
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lnk.rl_prsSrc = &rsSrc;
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lnk.rl_prdDst = &rdDst;
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// add the link to the domain and codomain members
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rsSrc.AddHead(lnk.rl_lnSrc);
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rdDst.AddHead(lnk.rl_lnDst);
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}
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