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ejcoumans
254
Extras/FCollada/FCDocument/FCDEffectTechnique.cpp
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254
Extras/FCollada/FCDocument/FCDEffectTechnique.cpp
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/*
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Copyright (C) 2005-2006 Feeling Software Inc.
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MIT License: http://www.opensource.org/licenses/mit-license.php
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*/
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#include "StdAfx.h"
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#include "FCDocument/FCDocument.h"
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#include "FCDocument/FCDEffectCode.h"
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#include "FCDocument/FCDEffectPass.h"
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#include "FCDocument/FCDEffectProfileFX.h"
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#include "FCDocument/FCDEffectParameter.h"
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#include "FCDocument/FCDEffectParameterFactory.h"
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#include "FCDocument/FCDEffectParameterList.h"
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#include "FCDocument/FCDEffectTechnique.h"
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#include "FCDocument/FCDLibrary.h"
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#include "FCDocument/FCDImage.h"
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#include "FUtils/FUDaeParser.h"
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#include "FUtils/FUDaeWriter.h"
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using namespace FUDaeParser;
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using namespace FUDaeWriter;
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FCDEffectTechnique::FCDEffectTechnique(FCDocument* document, FCDEffectProfileFX *_parent) : FCDObject(document, "FCDEffectTechnique")
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{
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parent = _parent;
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parameters = new FCDEffectParameterList(GetDocument(), true);;
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}
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FCDEffectTechnique::~FCDEffectTechnique()
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{
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CLEAR_POINTER_VECTOR(codes);
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CLEAR_POINTER_VECTOR(passes);
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SAFE_DELETE(parameters);
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parent = NULL;
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}
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// Adds a new pass to this effect technique.
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FCDEffectPass* FCDEffectTechnique::AddPass()
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{
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FCDEffectPass* pass = new FCDEffectPass(GetDocument(), this);
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passes.push_back(pass);
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return pass;
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}
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// Releases a pass contaied within this effect technique.
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void FCDEffectTechnique::ReleasePass(FCDEffectPass* pass)
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{
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FCDEffectPassList::iterator it = std::find(passes.begin(), passes.end(), pass);
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if (it != passes.end())
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{
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delete *it;
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passes.erase(it);
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}
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}
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// Adds a new code inclusion to this effect profile.
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FCDEffectCode* FCDEffectTechnique::AddCode()
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{
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FCDEffectCode* code = new FCDEffectCode(GetDocument());
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codes.push_back(code);
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return code;
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}
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// Releases a code inclusion contained within this effect profile.
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void FCDEffectTechnique::ReleaseCode(FCDEffectCode* code)
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{
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FCDEffectCodeList::iterator itC = std::find(codes.begin(), codes.end(), code);
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if (itC != codes.end())
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{
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delete *itC;
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codes.erase(itC);
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}
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}
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FCDEffectTechnique* FCDEffectTechnique::Clone(FCDEffectProfileFX* newParent)
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{
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FCDEffectTechnique* clone = new FCDEffectTechnique(GetDocument(), newParent);
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clone->name = name;
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SAFE_DELETE(clone->parameters);
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clone->parameters = parameters->Clone();
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// Clone the codes: need to happen before the passes are cloned
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clone->codes.reserve(codes.size());
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for (FCDEffectCodeList::const_iterator itC = codes.begin(); itC != codes.end(); ++itC)
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{
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clone->codes.push_back((*itC)->Clone());
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}
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// Clone the passes
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for (FCDEffectPassList::iterator itP = passes.begin(); itP != passes.end(); ++itP)
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{
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clone->passes.push_back((*itP)->Clone(clone));
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}
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return clone;
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}
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const string& FCDEffectTechnique::GetDaeId() const
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{
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return parent->GetDaeId();
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}
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void FCDEffectTechnique::AddParameter(FCDEffectParameter* parameter)
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{
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parameters->push_back(parameter);
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}
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// Flatten this effect technique: merge the parameter modifiers and generators
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void FCDEffectTechnique::Flatten()
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{
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for (FCDEffectParameterList::iterator itP = parameters->begin(); itP != parameters->end();)
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{
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FCDEffectParameterList generators(GetDocument());
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if ((*itP)->IsModifier())
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{
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// Overwrite the generators
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FindParametersByReference((*itP)->GetReference(), generators);
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for (FCDEffectParameterList::iterator itQ = generators.begin(); itQ != generators.end(); ++itQ)
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{
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if ((*itQ)->IsGenerator())
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{
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(*itP)->Overwrite(*itQ);
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}
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}
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SAFE_DELETE(*itP);
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parameters->erase(itP);
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}
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else
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{
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++itP;
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}
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}
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}
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FUStatus FCDEffectTechnique::LoadFromXML(xmlNode* techniqueNode, xmlNode* profileNode)
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{
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FUStatus status;
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if (!IsEquivalent(techniqueNode->name, DAE_TECHNIQUE_ELEMENT))
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{
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return status.Warning(FS("Technique contains unknown element."), techniqueNode->line);
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}
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string techniqueName = ReadNodeProperty(techniqueNode, DAE_SID_ATTRIBUTE);
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name = TO_FSTRING(techniqueName);
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// Look for the pass and parameter elements
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SAFE_DELETE(parameters);
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parameters = new FCDEffectParameterList(GetDocument(), true);
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for (xmlNode* child = techniqueNode->children; child != NULL; child = child->next)
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{
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if (child->type != XML_ELEMENT_NODE) continue;
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if (IsEquivalent(child->name, DAE_PASS_ELEMENT))
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{
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FCDEffectPass* pass = AddPass();
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status.AppendStatus(pass->LoadFromXML(child, techniqueNode, profileNode));
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}
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else if (IsEquivalent(child->name, DAE_FXCMN_NEWPARAM_ELEMENT) || IsEquivalent(child->name, DAE_FXCMN_SETPARAM_ELEMENT))
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{
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AddParameter(FCDEffectParameterFactory::LoadFromXML(GetDocument(), child, &status));
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}
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else if (IsEquivalent(child->name, DAE_FXCMN_CODE_ELEMENT) || IsEquivalent(child->name, DAE_FXCMN_INCLUDE_ELEMENT))
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{
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FCDEffectCode* code = new FCDEffectCode(GetDocument());
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codes.push_back(code);
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status.AppendStatus(code->LoadFromXML(child));
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}
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else if (IsEquivalent(child->name, DAE_IMAGE_ELEMENT))
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{
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FCDImage* image = GetDocument()->GetImageLibrary()->AddEntity();
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status.AppendStatus(image->LoadFromXML(child));
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}
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}
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return status;
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}
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// Write out the effect techniques to the COLLADA xml node tree
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xmlNode* FCDEffectTechnique::WriteToXML(xmlNode* parentNode) const
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{
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xmlNode* techniqueNode = AddChild(parentNode, DAE_TECHNIQUE_ELEMENT);
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const_cast<FCDEffectTechnique*>(this)->name = TO_FSTRING(AddNodeSid(techniqueNode, !name.empty() ? TO_STRING(name).c_str() : "common"));
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// Write out the code/includes
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for (FCDEffectCodeList::const_iterator itC = codes.begin(); itC != codes.end(); ++itC)
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{
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(*itC)->WriteToXML(techniqueNode);
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}
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// Write out the effect parameters at this level
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for (FCDEffectParameterList::const_iterator itP = parameters->begin(); itP != parameters->end(); ++itP)
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{
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(*itP)->WriteToXML(techniqueNode);
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}
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// Write out the passes.
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// In COLLADA 1.4: there should always be at least one pass.
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if (!passes.empty())
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{
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for (FCDEffectPassList::const_iterator itP = passes.begin(); itP != passes.end(); ++itP)
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{
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(*itP)->WriteToXML(techniqueNode);
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}
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}
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else
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{
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UNUSED(xmlNode* dummyPassNode =) AddChild(techniqueNode, DAE_PASS_ELEMENT);
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}
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return techniqueNode;
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}
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// Look for the parameter with the given reference.
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const FCDEffectParameter* FCDEffectTechnique::FindParameter(const char* ref) const
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{
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return parameters->FindReference(ref);
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}
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// Look for the effect parameter with the correct semantic, in order to bind/set its value
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FCDEffectParameter* FCDEffectTechnique::FindParameterBySemantic(const string& semantic)
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{
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return parameters->FindSemantic(semantic);
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}
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void FCDEffectTechnique::FindParametersBySemantic(const string& semantic, FCDEffectParameterList& _parameters)
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{
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for (FCDEffectParameterList::iterator it = parameters->begin(); it != parameters->end(); ++it)
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{
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if ((*it)->GetSemantic() == semantic) _parameters.push_back(*it);
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}
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}
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void FCDEffectTechnique::FindParametersByReference(const string& reference, FCDEffectParameterList& _parameters)
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{
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for (FCDEffectParameterList::iterator it = parameters->begin(); it != parameters->end(); ++it)
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{
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if ((*it)->GetReference() == reference) _parameters.push_back(*it);
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}
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}
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FCDEffectCode* FCDEffectTechnique::FindCode(const string& sid)
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{
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for (FCDEffectCodeList::iterator itC = codes.begin(); itC != codes.end(); ++itC)
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{
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if ((*itC)->GetSid() == sid) return (*itC);
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}
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return NULL;
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}
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const FCDEffectCode* FCDEffectTechnique::FindCode(const string& sid) const
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{
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for (FCDEffectCodeList::const_iterator itC = codes.begin(); itC != codes.end(); ++itC)
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{
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if ((*itC)->GetSid() == sid) return (*itC);
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}
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return NULL;
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}
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