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-rw-r--r--src/3rdparty/assimp/code/ColladaParser.cpp4907
1 files changed, 2612 insertions, 2295 deletions
diff --git a/src/3rdparty/assimp/code/ColladaParser.cpp b/src/3rdparty/assimp/code/ColladaParser.cpp
index 5369ee64c..aec57e684 100644
--- a/src/3rdparty/assimp/code/ColladaParser.cpp
+++ b/src/3rdparty/assimp/code/ColladaParser.cpp
@@ -3,12 +3,12 @@
Open Asset Import Library (assimp)
---------------------------------------------------------------------------
-Copyright (c) 2006-2012, assimp team
+Copyright (c) 2006-2016, assimp team
All rights reserved.
-Redistribution and use of this software in source and binary forms,
-with or without modification, are permitted provided that the following
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
conditions are met:
* Redistributions of source code must retain the above
@@ -25,16 +25,16 @@ contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
---------------------------------------------------------------------------
*/
@@ -43,235 +43,317 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* @brief Implementation of the Collada parser helper
*/
-#include "AssimpPCH.h"
+
#ifndef ASSIMP_BUILD_NO_COLLADA_IMPORTER
+#include <sstream>
+#include <stdarg.h>
#include "ColladaParser.h"
#include "fast_atof.h"
#include "ParsingUtils.h"
+#include "StringUtils.h"
+#include <assimp/DefaultLogger.hpp>
+#include <assimp/IOSystem.hpp>
+#include <assimp/light.h>
+#include "TinyFormatter.h"
+
+#include <memory>
+
using namespace Assimp;
using namespace Assimp::Collada;
+using namespace Assimp::Formatter;
// ------------------------------------------------------------------------------------------------
// Constructor to be privately used by Importer
ColladaParser::ColladaParser( IOSystem* pIOHandler, const std::string& pFile)
- : mFileName( pFile)
+ : mFileName( pFile )
+ , mReader( NULL )
+ , mDataLibrary()
+ , mAccessorLibrary()
+ , mMeshLibrary()
+ , mNodeLibrary()
+ , mImageLibrary()
+ , mEffectLibrary()
+ , mMaterialLibrary()
+ , mLightLibrary()
+ , mCameraLibrary()
+ , mControllerLibrary()
+ , mRootNode( NULL )
+ , mAnims()
+ , mUnitSize( 1.0f )
+ , mUpDirection( UP_Y )
+ , mFormat(FV_1_5_n ) // We assume the newest file format by default
{
- mRootNode = NULL;
- mUnitSize = 1.0f;
- mUpDirection = UP_Z;
-
- // We assume the newest file format by default
- mFormat = FV_1_5_n;
-
- // open the file
- boost::scoped_ptr<IOStream> file( pIOHandler->Open( pFile));
- if( file.get() == NULL)
- throw DeadlyImportError( "Failed to open file " + pFile + ".");
-
- // generate a XML reader for it
- boost::scoped_ptr<CIrrXML_IOStreamReader> mIOWrapper( new CIrrXML_IOStreamReader( file.get()));
- mReader = irr::io::createIrrXMLReader( mIOWrapper.get());
- if( !mReader)
- ThrowException( "Collada: Unable to open file.");
-
- // start reading
- ReadContents();
+ // validate io-handler instance
+ if ( NULL == pIOHandler ) {
+ throw DeadlyImportError("IOSystem is NULL." );
+ }
+
+ // open the file
+ std::unique_ptr<IOStream> file( pIOHandler->Open(pFile ) );
+ if (file.get() == NULL) {
+ throw DeadlyImportError( "Failed to open file " + pFile + "." );
+ }
+
+ // generate a XML reader for it
+ std::unique_ptr<CIrrXML_IOStreamReader> mIOWrapper(new CIrrXML_IOStreamReader(file.get()));
+ mReader = irr::io::createIrrXMLReader( mIOWrapper.get());
+ if (!mReader) {
+ ThrowException("Collada: Unable to open file.");
+ }
+
+ // start reading
+ ReadContents();
}
// ------------------------------------------------------------------------------------------------
// Destructor, private as well
ColladaParser::~ColladaParser()
{
- delete mReader;
- for( NodeLibrary::iterator it = mNodeLibrary.begin(); it != mNodeLibrary.end(); ++it)
- delete it->second;
- for( MeshLibrary::iterator it = mMeshLibrary.begin(); it != mMeshLibrary.end(); ++it)
- delete it->second;
+ delete mReader;
+ for( NodeLibrary::iterator it = mNodeLibrary.begin(); it != mNodeLibrary.end(); ++it)
+ delete it->second;
+ for( MeshLibrary::iterator it = mMeshLibrary.begin(); it != mMeshLibrary.end(); ++it)
+ delete it->second;
}
// ------------------------------------------------------------------------------------------------
// Read bool from text contents of current element
bool ColladaParser::ReadBoolFromTextContent()
{
- const char* cur = GetTextContent();
- return (!ASSIMP_strincmp(cur,"true",4) || '0' != *cur);
+ const char* cur = GetTextContent();
+ return (!ASSIMP_strincmp(cur,"true",4) || '0' != *cur);
}
// ------------------------------------------------------------------------------------------------
// Read float from text contents of current element
float ColladaParser::ReadFloatFromTextContent()
{
- const char* cur = GetTextContent();
- return fast_atof(cur);
+ const char* cur = GetTextContent();
+ return fast_atof(cur);
}
// ------------------------------------------------------------------------------------------------
// Reads the contents of the file
void ColladaParser::ReadContents()
{
- while( mReader->read())
- {
- // handle the root element "COLLADA"
- if( mReader->getNodeType() == irr::io::EXN_ELEMENT)
- {
- if( IsElement( "COLLADA"))
- {
- // check for 'version' attribute
- const int attrib = TestAttribute("version");
- if (attrib != -1) {
- const char* version = mReader->getAttributeValue(attrib);
-
- if (!::strncmp(version,"1.5",3)) {
- mFormat = FV_1_5_n;
- DefaultLogger::get()->debug("Collada schema version is 1.5.n");
- }
- else if (!::strncmp(version,"1.4",3)) {
- mFormat = FV_1_4_n;
- DefaultLogger::get()->debug("Collada schema version is 1.4.n");
- }
- else if (!::strncmp(version,"1.3",3)) {
- mFormat = FV_1_3_n;
- DefaultLogger::get()->debug("Collada schema version is 1.3.n");
- }
- }
+ while( mReader->read())
+ {
+ // handle the root element "COLLADA"
+ if( mReader->getNodeType() == irr::io::EXN_ELEMENT)
+ {
+ if( IsElement( "COLLADA"))
+ {
+ // check for 'version' attribute
+ const int attrib = TestAttribute("version");
+ if (attrib != -1) {
+ const char* version = mReader->getAttributeValue(attrib);
+
+ if (!::strncmp(version,"1.5",3)) {
+ mFormat = FV_1_5_n;
+ DefaultLogger::get()->debug("Collada schema version is 1.5.n");
+ }
+ else if (!::strncmp(version,"1.4",3)) {
+ mFormat = FV_1_4_n;
+ DefaultLogger::get()->debug("Collada schema version is 1.4.n");
+ }
+ else if (!::strncmp(version,"1.3",3)) {
+ mFormat = FV_1_3_n;
+ DefaultLogger::get()->debug("Collada schema version is 1.3.n");
+ }
+ }
- ReadStructure();
- } else
- {
- DefaultLogger::get()->debug( boost::str( boost::format( "Ignoring global element <%s>.") % mReader->getNodeName()));
- SkipElement();
- }
- } else
- {
- // skip everything else silently
- }
- }
+ ReadStructure();
+ } else
+ {
+ DefaultLogger::get()->debug( format() << "Ignoring global element <" << mReader->getNodeName() << ">." );
+ SkipElement();
+ }
+ } else
+ {
+ // skip everything else silently
+ }
+ }
}
// ------------------------------------------------------------------------------------------------
// Reads the structure of the file
void ColladaParser::ReadStructure()
{
- while( mReader->read())
- {
- // beginning of elements
- if( mReader->getNodeType() == irr::io::EXN_ELEMENT)
- {
- if( IsElement( "asset"))
- ReadAssetInfo();
- else if( IsElement( "library_animations"))
- ReadAnimationLibrary();
- else if( IsElement( "library_controllers"))
- ReadControllerLibrary();
- else if( IsElement( "library_images"))
- ReadImageLibrary();
- else if( IsElement( "library_materials"))
- ReadMaterialLibrary();
- else if( IsElement( "library_effects"))
- ReadEffectLibrary();
- else if( IsElement( "library_geometries"))
- ReadGeometryLibrary();
- else if( IsElement( "library_visual_scenes"))
- ReadSceneLibrary();
- else if( IsElement( "library_lights"))
- ReadLightLibrary();
- else if( IsElement( "library_cameras"))
- ReadCameraLibrary();
- else if( IsElement( "library_nodes"))
- ReadSceneNode(NULL); /* some hacking to reuse this piece of code */
- else if( IsElement( "scene"))
- ReadScene();
- else
- SkipElement();
- }
- else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END)
- {
- break;
- }
- }
+ while( mReader->read())
+ {
+ // beginning of elements
+ if( mReader->getNodeType() == irr::io::EXN_ELEMENT)
+ {
+ if( IsElement( "asset"))
+ ReadAssetInfo();
+ else if( IsElement( "library_animations"))
+ ReadAnimationLibrary();
+ else if (IsElement("library_animation_clips"))
+ ReadAnimationClipLibrary();
+ else if( IsElement( "library_controllers"))
+ ReadControllerLibrary();
+ else if( IsElement( "library_images"))
+ ReadImageLibrary();
+ else if( IsElement( "library_materials"))
+ ReadMaterialLibrary();
+ else if( IsElement( "library_effects"))
+ ReadEffectLibrary();
+ else if( IsElement( "library_geometries"))
+ ReadGeometryLibrary();
+ else if( IsElement( "library_visual_scenes"))
+ ReadSceneLibrary();
+ else if( IsElement( "library_lights"))
+ ReadLightLibrary();
+ else if( IsElement( "library_cameras"))
+ ReadCameraLibrary();
+ else if( IsElement( "library_nodes"))
+ ReadSceneNode(NULL); /* some hacking to reuse this piece of code */
+ else if( IsElement( "scene"))
+ ReadScene();
+ else
+ SkipElement();
+ }
+ else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END)
+ {
+ break;
+ }
+ }
+
+ PostProcessRootAnimations();
}
// ------------------------------------------------------------------------------------------------
// Reads asset informations such as coordinate system informations and legal blah
void ColladaParser::ReadAssetInfo()
{
- if( mReader->isEmptyElement())
- return;
-
- while( mReader->read())
- {
- if( mReader->getNodeType() == irr::io::EXN_ELEMENT)
- {
- if( IsElement( "unit"))
- {
- // read unit data from the element's attributes
- const int attrIndex = TestAttribute( "meter");
- if (attrIndex == -1) {
- mUnitSize = 1.f;
- }
- else {
- mUnitSize = mReader->getAttributeValueAsFloat( attrIndex);
- }
-
- // consume the trailing stuff
- if( !mReader->isEmptyElement())
- SkipElement();
- }
- else if( IsElement( "up_axis"))
- {
- // read content, strip whitespace, compare
- const char* content = GetTextContent();
- if( strncmp( content, "X_UP", 4) == 0)
- mUpDirection = UP_X;
- else if( strncmp( content, "Y_UP", 4) == 0)
- mUpDirection = UP_Y;
- else
- mUpDirection = UP_Z;
-
- // check element end
- TestClosing( "up_axis");
- } else
- {
- SkipElement();
- }
- }
- else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END)
- {
- if( strcmp( mReader->getNodeName(), "asset") != 0)
- ThrowException( "Expected end of <asset> element.");
+ if( mReader->isEmptyElement())
+ return;
+
+ while( mReader->read())
+ {
+ if( mReader->getNodeType() == irr::io::EXN_ELEMENT)
+ {
+ if( IsElement( "unit"))
+ {
+ // read unit data from the element's attributes
+ const int attrIndex = TestAttribute( "meter");
+ if (attrIndex == -1) {
+ mUnitSize = 1.f;
+ }
+ else {
+ mUnitSize = mReader->getAttributeValueAsFloat( attrIndex);
+ }
- break;
- }
- }
+ // consume the trailing stuff
+ if( !mReader->isEmptyElement())
+ SkipElement();
+ }
+ else if( IsElement( "up_axis"))
+ {
+ // read content, strip whitespace, compare
+ const char* content = GetTextContent();
+ if( strncmp( content, "X_UP", 4) == 0)
+ mUpDirection = UP_X;
+ else if( strncmp( content, "Z_UP", 4) == 0)
+ mUpDirection = UP_Z;
+ else
+ mUpDirection = UP_Y;
+
+ // check element end
+ TestClosing( "up_axis");
+ } else
+ {
+ SkipElement();
+ }
+ }
+ else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END)
+ {
+ if( strcmp( mReader->getNodeName(), "asset") != 0)
+ ThrowException( "Expected end of <asset> element.");
+
+ break;
+ }
+ }
}
// ------------------------------------------------------------------------------------------------
-// Reads the animation library
-void ColladaParser::ReadAnimationLibrary()
+// Reads the animation clips
+void ColladaParser::ReadAnimationClipLibrary()
{
if (mReader->isEmptyElement())
return;
- while( mReader->read())
+ while (mReader->read())
{
- if( mReader->getNodeType() == irr::io::EXN_ELEMENT)
+ if (mReader->getNodeType() == irr::io::EXN_ELEMENT)
{
- if( IsElement( "animation"))
- {
- // delegate the reading. Depending on the inner elements it will be a container or a anim channel
- ReadAnimation( &mAnims);
- } else
+ if (IsElement("animation_clip"))
+ {
+ // optional name given as an attribute
+ std::string animName;
+ int indexName = TestAttribute("name");
+ int indexID = TestAttribute("id");
+ if (indexName >= 0)
+ animName = mReader->getAttributeValue(indexName);
+ else if (indexID >= 0)
+ animName = mReader->getAttributeValue(indexID);
+ else
+ animName = std::string("animation_") + std::to_string(mAnimationClipLibrary.size());
+
+ std::pair<std::string, std::vector<std::string> > clip;
+
+ clip.first = animName;
+
+ while (mReader->read())
+ {
+ if (mReader->getNodeType() == irr::io::EXN_ELEMENT)
+ {
+ if (IsElement("instance_animation"))
+ {
+ int indexUrl = TestAttribute("url");
+ if (indexUrl >= 0)
+ {
+ const char* url = mReader->getAttributeValue(indexUrl);
+ if (url[0] != '#')
+ ThrowException("Unknown reference format");
+
+ url++;
+
+ clip.second.push_back(url);
+ }
+ }
+ else
+ {
+ // ignore the rest
+ SkipElement();
+ }
+ }
+ else if (mReader->getNodeType() == irr::io::EXN_ELEMENT_END)
+ {
+ if (strcmp(mReader->getNodeName(), "animation_clip") != 0)
+ ThrowException("Expected end of <animation_clip> element.");
+
+ break;
+ }
+ }
+
+ if (clip.second.size() > 0)
+ {
+ mAnimationClipLibrary.push_back(clip);
+ }
+ }
+ else
{
// ignore the rest
SkipElement();
}
}
- else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END)
+ else if (mReader->getNodeType() == irr::io::EXN_ELEMENT_END)
{
- if( strcmp( mReader->getNodeName(), "library_animations") != 0)
- ThrowException( "Expected end of <library_animations> element.");
+ if (strcmp(mReader->getNodeName(), "library_animation_clips") != 0)
+ ThrowException("Expected end of <library_animation_clips> element.");
break;
}
@@ -279,113 +361,205 @@ void ColladaParser::ReadAnimationLibrary()
}
// ------------------------------------------------------------------------------------------------
-// Reads an animation into the given parent structure
-void ColladaParser::ReadAnimation( Collada::Animation* pParent)
+// Re-build animations from animation clip library, if present, otherwise combine single-channel animations
+void ColladaParser::PostProcessRootAnimations()
{
- if( mReader->isEmptyElement())
- return;
-
- // an <animation> element may be a container for grouping sub-elements or an animation channel
- // this is the channel collection by ID, in case it has channels
- typedef std::map<std::string, AnimationChannel> ChannelMap;
- ChannelMap channels;
- // this is the anim container in case we're a container
- Animation* anim = NULL;
-
- // optional name given as an attribute
- std::string animName;
- int indexName = TestAttribute( "name");
- int indexID = TestAttribute( "id");
- if( indexName >= 0)
- animName = mReader->getAttributeValue( indexName);
- else if( indexID >= 0)
- animName = mReader->getAttributeValue( indexID);
- else
- animName = "animation";
-
- while( mReader->read())
+ if (mAnimationClipLibrary.size() > 0)
{
- if( mReader->getNodeType() == irr::io::EXN_ELEMENT)
+ Animation temp;
+
+ for (AnimationClipLibrary::iterator it = mAnimationClipLibrary.begin(); it != mAnimationClipLibrary.end(); ++it)
{
- // we have subanimations
- if( IsElement( "animation"))
+ std::string clipName = it->first;
+
+ Animation *clip = new Animation();
+ clip->mName = clipName;
+
+ temp.mSubAnims.push_back(clip);
+
+ for (std::vector<std::string>::iterator a = it->second.begin(); a != it->second.end(); ++a)
{
- // create container from our element
- if( !anim)
+ std::string animationID = *a;
+
+ AnimationLibrary::iterator animation = mAnimationLibrary.find(animationID);
+
+ if (animation != mAnimationLibrary.end())
{
- anim = new Animation;
- anim->mName = animName;
- pParent->mSubAnims.push_back( anim);
- }
+ Animation *pSourceAnimation = animation->second;
- // recurse into the subelement
- ReadAnimation( anim);
- }
- else if( IsElement( "source"))
- {
- // possible animation data - we'll never know. Better store it
- ReadSource();
- }
- else if( IsElement( "sampler"))
- {
- // read the ID to assign the corresponding collada channel afterwards.
- int indexID = GetAttribute( "id");
- std::string id = mReader->getAttributeValue( indexID);
- ChannelMap::iterator newChannel = channels.insert( std::make_pair( id, AnimationChannel())).first;
-
- // have it read into a channel
- ReadAnimationSampler( newChannel->second);
- }
- else if( IsElement( "channel"))
- {
- // the binding element whose whole purpose is to provide the target to animate
- // Thanks, Collada! A directly posted information would have been too simple, I guess.
- // Better add another indirection to that! Can't have enough of those.
- int indexTarget = GetAttribute( "target");
- int indexSource = GetAttribute( "source");
- const char* sourceId = mReader->getAttributeValue( indexSource);
- if( sourceId[0] == '#')
- sourceId++;
- ChannelMap::iterator cit = channels.find( sourceId);
- if( cit != channels.end())
- cit->second.mTarget = mReader->getAttributeValue( indexTarget);
-
- if( !mReader->isEmptyElement())
- SkipElement();
- }
- else
- {
- // ignore the rest
- SkipElement();
+ pSourceAnimation->CollectChannelsRecursively(clip->mChannels);
+ }
}
}
- else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END)
- {
- if( strcmp( mReader->getNodeName(), "animation") != 0)
- ThrowException( "Expected end of <animation> element.");
- break;
- }
- }
+ mAnims = temp;
- // it turned out to have channels - add them
- if( !channels.empty())
+ // Ensure no double deletes.
+ temp.mSubAnims.clear();
+ }
+ else
{
- // special filtering for stupid exporters packing each channel into a separate animation
- if( channels.size() == 1)
- {
- pParent->mChannels.push_back( channels.begin()->second);
- } else
- {
- // else create the animation, if not done yet, and store the channels
- if( !anim)
+ mAnims.CombineSingleChannelAnimations();
+ }
+}
+
+// ------------------------------------------------------------------------------------------------
+// Reads the animation library
+void ColladaParser::ReadAnimationLibrary()
+{
+ if (mReader->isEmptyElement())
+ return;
+
+ while( mReader->read())
+ {
+ if( mReader->getNodeType() == irr::io::EXN_ELEMENT)
+ {
+ if( IsElement( "animation"))
+ {
+ // delegate the reading. Depending on the inner elements it will be a container or a anim channel
+ ReadAnimation( &mAnims);
+ } else
+ {
+ // ignore the rest
+ SkipElement();
+ }
+ }
+ else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END)
+ {
+ if( strcmp( mReader->getNodeName(), "library_animations") != 0)
+ ThrowException( "Expected end of <library_animations> element.");
+
+ break;
+ }
+ }
+}
+
+// ------------------------------------------------------------------------------------------------
+// Reads an animation into the given parent structure
+void ColladaParser::ReadAnimation( Collada::Animation* pParent)
+{
+ if( mReader->isEmptyElement())
+ return;
+
+ // an <animation> element may be a container for grouping sub-elements or an animation channel
+ // this is the channel collection by ID, in case it has channels
+ typedef std::map<std::string, AnimationChannel> ChannelMap;
+ ChannelMap channels;
+ // this is the anim container in case we're a container
+ Animation* anim = NULL;
+
+ // optional name given as an attribute
+ std::string animName;
+ std::string animID;
+ int indexName = TestAttribute( "name");
+ int indexID = TestAttribute( "id");
+
+ if (indexID >= 0)
+ animID = mReader->getAttributeValue(indexID);
+
+ if( indexName >= 0)
+ animName = mReader->getAttributeValue( indexName);
+ else if( indexID >= 0)
+ animName = animID;
+ else
+ animName = "animation";
+
+ while( mReader->read())
+ {
+ if( mReader->getNodeType() == irr::io::EXN_ELEMENT)
+ {
+ // we have subanimations
+ if( IsElement( "animation"))
+ {
+ // create container from our element
+ if( !anim)
+ {
+ anim = new Animation;
+ anim->mName = animName;
+ pParent->mSubAnims.push_back( anim);
+ }
+
+ // recurse into the subelement
+ ReadAnimation( anim);
+ }
+ else if( IsElement( "source"))
+ {
+ // possible animation data - we'll never know. Better store it
+ ReadSource();
+ }
+ else if( IsElement( "sampler"))
+ {
+ // read the ID to assign the corresponding collada channel afterwards.
+ int indexID = GetAttribute( "id");
+ std::string id = mReader->getAttributeValue( indexID);
+ ChannelMap::iterator newChannel = channels.insert( std::make_pair( id, AnimationChannel())).first;
+
+ // have it read into a channel
+ ReadAnimationSampler( newChannel->second);
+ }
+ else if( IsElement( "channel"))
+ {
+ // the binding element whose whole purpose is to provide the target to animate
+ // Thanks, Collada! A directly posted information would have been too simple, I guess.
+ // Better add another indirection to that! Can't have enough of those.
+ int indexTarget = GetAttribute( "target");
+ int indexSource = GetAttribute( "source");
+ const char* sourceId = mReader->getAttributeValue( indexSource);
+ if( sourceId[0] == '#')
+ sourceId++;
+ ChannelMap::iterator cit = channels.find( sourceId);
+ if( cit != channels.end())
+ cit->second.mTarget = mReader->getAttributeValue( indexTarget);
+
+ if( !mReader->isEmptyElement())
+ SkipElement();
+ }
+ else
+ {
+ // ignore the rest
+ SkipElement();
+ }
+ }
+ else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END)
+ {
+ if( strcmp( mReader->getNodeName(), "animation") != 0)
+ ThrowException( "Expected end of <animation> element.");
+
+ break;
+ }
+ }
+
+ // it turned out to have channels - add them
+ if( !channels.empty())
+ {
+ // FIXME: Is this essentially doing the same as "single-anim-node" codepath in
+ // ColladaLoader::StoreAnimations? For now, this has been deferred to after
+ // all animations and all clips have been read. Due to handling of
+ // <library_animation_clips> this cannot be done here, as the channel owner
+ // is lost, and some exporters make up animations by referring to multiple
+ // single-channel animations from an <instance_animation>.
+/*
+ // special filtering for stupid exporters packing each channel into a separate animation
+ if( channels.size() == 1)
+ {
+ pParent->mChannels.push_back( channels.begin()->second);
+ } else
+*/
+ {
+ // else create the animation, if not done yet, and store the channels
+ if( !anim)
+ {
+ anim = new Animation;
+ anim->mName = animName;
+ pParent->mSubAnims.push_back( anim);
+ }
+ for( ChannelMap::const_iterator it = channels.begin(); it != channels.end(); ++it)
+ anim->mChannels.push_back( it->second);
+
+ if (indexID >= 0)
{
- anim = new Animation;
- anim->mName = animName;
- pParent->mSubAnims.push_back( anim);
+ mAnimationLibrary[animID] = anim;
}
- for( ChannelMap::const_iterator it = channels.begin(); it != channels.end(); ++it)
- anim->mChannels.push_back( it->second);
}
}
}
@@ -394,24 +568,24 @@ void ColladaParser::ReadAnimation( Collada::Animation* pParent)
// Reads an animation sampler into the given anim channel
void ColladaParser::ReadAnimationSampler( Collada::AnimationChannel& pChannel)
{
- while( mReader->read())
- {
- if( mReader->getNodeType() == irr::io::EXN_ELEMENT)
- {
- if( IsElement( "input"))
- {
- int indexSemantic = GetAttribute( "semantic");
- const char* semantic = mReader->getAttributeValue( indexSemantic);
- int indexSource = GetAttribute( "source");
- const char* source = mReader->getAttributeValue( indexSource);
- if( source[0] != '#')
- ThrowException( "Unsupported URL format");
- source++;
-
- if( strcmp( semantic, "INPUT") == 0)
- pChannel.mSourceTimes = source;
- else if( strcmp( semantic, "OUTPUT") == 0)
- pChannel.mSourceValues = source;
+ while( mReader->read())
+ {
+ if( mReader->getNodeType() == irr::io::EXN_ELEMENT)
+ {
+ if( IsElement( "input"))
+ {
+ int indexSemantic = GetAttribute( "semantic");
+ const char* semantic = mReader->getAttributeValue( indexSemantic);
+ int indexSource = GetAttribute( "source");
+ const char* source = mReader->getAttributeValue( indexSource);
+ if( source[0] != '#')
+ ThrowException( "Unsupported URL format");
+ source++;
+
+ if( strcmp( semantic, "INPUT") == 0)
+ pChannel.mSourceTimes = source;
+ else if( strcmp( semantic, "OUTPUT") == 0)
+ pChannel.mSourceValues = source;
else if( strcmp( semantic, "IN_TANGENT") == 0)
pChannel.mInTanValues = source;
else if( strcmp( semantic, "OUT_TANGENT") == 0)
@@ -419,61 +593,61 @@ void ColladaParser::ReadAnimationSampler( Collada::AnimationChannel& pChannel)
else if( strcmp( semantic, "INTERPOLATION") == 0)
pChannel.mInterpolationValues = source;
- if( !mReader->isEmptyElement())
- SkipElement();
- }
- else
- {
- // ignore the rest
- SkipElement();
- }
- }
- else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END)
- {
- if( strcmp( mReader->getNodeName(), "sampler") != 0)
- ThrowException( "Expected end of <sampler> element.");
-
- break;
- }
- }
+ if( !mReader->isEmptyElement())
+ SkipElement();
+ }
+ else
+ {
+ // ignore the rest
+ SkipElement();
+ }
+ }
+ else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END)
+ {
+ if( strcmp( mReader->getNodeName(), "sampler") != 0)
+ ThrowException( "Expected end of <sampler> element.");
+
+ break;
+ }
+ }
}
// ------------------------------------------------------------------------------------------------
// Reads the skeleton controller library
void ColladaParser::ReadControllerLibrary()
{
- if (mReader->isEmptyElement())
- return;
-
- while( mReader->read())
- {
- if( mReader->getNodeType() == irr::io::EXN_ELEMENT)
- {
- if( IsElement( "controller"))
- {
- // read ID. Ask the spec if it's neccessary or optional... you might be surprised.
- int attrID = GetAttribute( "id");
- std::string id = mReader->getAttributeValue( attrID);
+ if (mReader->isEmptyElement())
+ return;
+
+ while( mReader->read())
+ {
+ if( mReader->getNodeType() == irr::io::EXN_ELEMENT)
+ {
+ if( IsElement( "controller"))
+ {
+ // read ID. Ask the spec if it's necessary or optional... you might be surprised.
+ int attrID = GetAttribute( "id");
+ std::string id = mReader->getAttributeValue( attrID);
- // create an entry and store it in the library under its ID
- mControllerLibrary[id] = Controller();
+ // create an entry and store it in the library under its ID
+ mControllerLibrary[id] = Controller();
- // read on from there
- ReadController( mControllerLibrary[id]);
- } else
- {
- // ignore the rest
- SkipElement();
- }
- }
- else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END)
- {
- if( strcmp( mReader->getNodeName(), "library_controllers") != 0)
- ThrowException( "Expected end of <library_controllers> element.");
-
- break;
- }
- }
+ // read on from there
+ ReadController( mControllerLibrary[id]);
+ } else
+ {
+ // ignore the rest
+ SkipElement();
+ }
+ }
+ else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END)
+ {
+ if( strcmp( mReader->getNodeName(), "library_controllers") != 0)
+ ThrowException( "Expected end of <library_controllers> element.");
+
+ break;
+ }
+ }
}
// ------------------------------------------------------------------------------------------------
@@ -483,13 +657,13 @@ void ColladaParser::ReadController( Collada::Controller& pController)
// initial values
pController.mType = Skin;
pController.mMethod = Normalized;
- while( mReader->read())
- {
- if( mReader->getNodeType() == irr::io::EXN_ELEMENT)
- {
- // two types of controllers: "skin" and "morph". Only the first one is relevant, we skip the other
- if( IsElement( "morph"))
- {
+ while( mReader->read())
+ {
+ if( mReader->getNodeType() == irr::io::EXN_ELEMENT)
+ {
+ // two types of controllers: "skin" and "morph". Only the first one is relevant, we skip the other
+ if( IsElement( "morph"))
+ {
pController.mType = Morph;
int baseIndex = GetAttribute("source");
pController.mMeshId = mReader->getAttributeValue(baseIndex) + 1;
@@ -499,35 +673,35 @@ void ColladaParser::ReadController( Collada::Controller& pController)
if (strcmp(method, "RELATIVE") == 0)
pController.mMethod = Relative;
}
- }
- else if( IsElement( "skin"))
- {
- // read the mesh it refers to. According to the spec this could also be another
- // controller, but I refuse to implement every single idea they've come up with
- int sourceIndex = GetAttribute( "source");
- pController.mMeshId = mReader->getAttributeValue( sourceIndex) + 1;
- }
- else if( IsElement( "bind_shape_matrix"))
- {
- // content is 16 floats to define a matrix... it seems to be important for some models
- const char* content = GetTextContent();
-
- // read the 16 floats
- for( unsigned int a = 0; a < 16; a++)
- {
- // read a number
- content = fast_atoreal_move<float>( content, pController.mBindShapeMatrix[a]);
- // skip whitespace after it
- SkipSpacesAndLineEnd( &content);
- }
-
- TestClosing( "bind_shape_matrix");
- }
+ }
+ else if( IsElement( "skin"))
+ {
+ // read the mesh it refers to. According to the spec this could also be another
+ // controller, but I refuse to implement every single idea they've come up with
+ int sourceIndex = GetAttribute( "source");
+ pController.mMeshId = mReader->getAttributeValue( sourceIndex) + 1;
+ }
+ else if( IsElement( "bind_shape_matrix"))
+ {
+ // content is 16 floats to define a matrix... it seems to be important for some models
+ const char* content = GetTextContent();
+
+ // read the 16 floats
+ for( unsigned int a = 0; a < 16; a++)
+ {
+ // read a number
+ content = fast_atoreal_move<float>( content, pController.mBindShapeMatrix[a]);
+ // skip whitespace after it
+ SkipSpacesAndLineEnd( &content);
+ }
+
+ TestClosing( "bind_shape_matrix");
+ }
else if( IsElement( "source"))
{
// data array - we have specialists to handle this
ReadSource();
- }
+ }
else if( IsElement( "joints"))
{
ReadControllerJoints( pController);
@@ -535,14 +709,14 @@ void ColladaParser::ReadController( Collada::Controller& pController)
else if( IsElement( "vertex_weights"))
{
ReadControllerWeights( pController);
- }
- else if ( IsElement( "targets" ))
- {
- while (mReader->read()) {
- if( mReader->getNodeType() == irr::io::EXN_ELEMENT) {
- if ( IsElement( "input")) {
- int semanticsIndex = GetAttribute("semantic");
- int sourceIndex = GetAttribute("source");
+ }
+ else if ( IsElement( "targets" ))
+ {
+ while (mReader->read()) {
+ if( mReader->getNodeType() == irr::io::EXN_ELEMENT) {
+ if ( IsElement( "input")) {
+ int semanticsIndex = GetAttribute("semantic");
+ int sourceIndex = GetAttribute("source");
const char *semantics = mReader->getAttributeValue(semanticsIndex);
const char *source = mReader->getAttributeValue(sourceIndex);
@@ -562,979 +736,1052 @@ void ColladaParser::ReadController( Collada::Controller& pController)
}
}
}
- else
- {
- // ignore the rest
- SkipElement();
- }
- }
- else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END)
- {
- if( strcmp( mReader->getNodeName(), "controller") == 0)
- break;
+ else
+ {
+ // ignore the rest
+ SkipElement();
+ }
+ }
+ else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END)
+ {
+ if( strcmp( mReader->getNodeName(), "controller") == 0)
+ break;
else if( strcmp( mReader->getNodeName(), "skin") != 0 && strcmp( mReader->getNodeName(), "morph") != 0)
- ThrowException( "Expected end of <controller> element.");
- }
- }
+ ThrowException( "Expected end of <controller> element.");
+ }
+ }
}
// ------------------------------------------------------------------------------------------------
// Reads the joint definitions for the given controller
void ColladaParser::ReadControllerJoints( Collada::Controller& pController)
{
- while( mReader->read())
- {
- if( mReader->getNodeType() == irr::io::EXN_ELEMENT)
- {
- // Input channels for joint data. Two possible semantics: "JOINT" and "INV_BIND_MATRIX"
- if( IsElement( "input"))
- {
- int indexSemantic = GetAttribute( "semantic");
- const char* attrSemantic = mReader->getAttributeValue( indexSemantic);
- int indexSource = GetAttribute( "source");
- const char* attrSource = mReader->getAttributeValue( indexSource);
-
- // local URLS always start with a '#'. We don't support global URLs
- if( attrSource[0] != '#')
- ThrowException( boost::str( boost::format( "Unsupported URL format in \"%s\" in source attribute of <joints> data <input> element") % attrSource));
- attrSource++;
-
- // parse source URL to corresponding source
- if( strcmp( attrSemantic, "JOINT") == 0)
- pController.mJointNameSource = attrSource;
- else if( strcmp( attrSemantic, "INV_BIND_MATRIX") == 0)
- pController.mJointOffsetMatrixSource = attrSource;
- else
- ThrowException( boost::str( boost::format( "Unknown semantic \"%s\" in <joints> data <input> element") % attrSemantic));
-
- // skip inner data, if present
- if( !mReader->isEmptyElement())
- SkipElement();
- }
- else
- {
- // ignore the rest
- SkipElement();
- }
- }
- else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END)
- {
- if( strcmp( mReader->getNodeName(), "joints") != 0)
- ThrowException( "Expected end of <joints> element.");
-
- break;
- }
- }
+ while( mReader->read())
+ {
+ if( mReader->getNodeType() == irr::io::EXN_ELEMENT)
+ {
+ // Input channels for joint data. Two possible semantics: "JOINT" and "INV_BIND_MATRIX"
+ if( IsElement( "input"))
+ {
+ int indexSemantic = GetAttribute( "semantic");
+ const char* attrSemantic = mReader->getAttributeValue( indexSemantic);
+ int indexSource = GetAttribute( "source");
+ const char* attrSource = mReader->getAttributeValue( indexSource);
+
+ // local URLS always start with a '#'. We don't support global URLs
+ if( attrSource[0] != '#')
+ ThrowException( format() << "Unsupported URL format in \"" << attrSource << "\" in source attribute of <joints> data <input> element" );
+ attrSource++;
+
+ // parse source URL to corresponding source
+ if( strcmp( attrSemantic, "JOINT") == 0)
+ pController.mJointNameSource = attrSource;
+ else if( strcmp( attrSemantic, "INV_BIND_MATRIX") == 0)
+ pController.mJointOffsetMatrixSource = attrSource;
+ else
+ ThrowException( format() << "Unknown semantic \"" << attrSemantic << "\" in <joints> data <input> element" );
+
+ // skip inner data, if present
+ if( !mReader->isEmptyElement())
+ SkipElement();
+ }
+ else
+ {
+ // ignore the rest
+ SkipElement();
+ }
+ }
+ else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END)
+ {
+ if( strcmp( mReader->getNodeName(), "joints") != 0)
+ ThrowException( "Expected end of <joints> element.");
+
+ break;
+ }
+ }
}
// ------------------------------------------------------------------------------------------------
// Reads the joint weights for the given controller
void ColladaParser::ReadControllerWeights( Collada::Controller& pController)
{
- // read vertex count from attributes and resize the array accordingly
- int indexCount = GetAttribute( "count");
- size_t vertexCount = (size_t) mReader->getAttributeValueAsInt( indexCount);
- pController.mWeightCounts.resize( vertexCount);
-
- while( mReader->read())
- {
- if( mReader->getNodeType() == irr::io::EXN_ELEMENT)
- {
- // Input channels for weight data. Two possible semantics: "JOINT" and "WEIGHT"
- if( IsElement( "input") && vertexCount > 0 )
- {
- InputChannel channel;
-
- int indexSemantic = GetAttribute( "semantic");
- const char* attrSemantic = mReader->getAttributeValue( indexSemantic);
- int indexSource = GetAttribute( "source");
- const char* attrSource = mReader->getAttributeValue( indexSource);
- int indexOffset = TestAttribute( "offset");
- if( indexOffset >= 0)
- channel.mOffset = mReader->getAttributeValueAsInt( indexOffset);
-
- // local URLS always start with a '#'. We don't support global URLs
- if( attrSource[0] != '#')
- ThrowException( boost::str( boost::format( "Unsupported URL format in \"%s\" in source attribute of <vertex_weights> data <input> element") % attrSource));
- channel.mAccessor = attrSource + 1;
-
- // parse source URL to corresponding source
- if( strcmp( attrSemantic, "JOINT") == 0)
- pController.mWeightInputJoints = channel;
- else if( strcmp( attrSemantic, "WEIGHT") == 0)
- pController.mWeightInputWeights = channel;
- else
- ThrowException( boost::str( boost::format( "Unknown semantic \"%s\" in <vertex_weights> data <input> element") % attrSemantic));
-
- // skip inner data, if present
- if( !mReader->isEmptyElement())
- SkipElement();
- }
- else if( IsElement( "vcount") && vertexCount > 0 )
- {
- // read weight count per vertex
- const char* text = GetTextContent();
- size_t numWeights = 0;
- for( std::vector<size_t>::iterator it = pController.mWeightCounts.begin(); it != pController.mWeightCounts.end(); ++it)
- {
- if( *text == 0)
- ThrowException( "Out of data while reading <vcount>");
-
- *it = strtoul10( text, &text);
- numWeights += *it;
- SkipSpacesAndLineEnd( &text);
- }
+ // read vertex count from attributes and resize the array accordingly
+ int indexCount = GetAttribute( "count");
+ size_t vertexCount = (size_t) mReader->getAttributeValueAsInt( indexCount);
+ pController.mWeightCounts.resize( vertexCount);
+
+ while( mReader->read())
+ {
+ if( mReader->getNodeType() == irr::io::EXN_ELEMENT)
+ {
+ // Input channels for weight data. Two possible semantics: "JOINT" and "WEIGHT"
+ if( IsElement( "input") && vertexCount > 0 )
+ {
+ InputChannel channel;
+
+ int indexSemantic = GetAttribute( "semantic");
+ const char* attrSemantic = mReader->getAttributeValue( indexSemantic);
+ int indexSource = GetAttribute( "source");
+ const char* attrSource = mReader->getAttributeValue( indexSource);
+ int indexOffset = TestAttribute( "offset");
+ if( indexOffset >= 0)
+ channel.mOffset = mReader->getAttributeValueAsInt( indexOffset);
+
+ // local URLS always start with a '#'. We don't support global URLs
+ if( attrSource[0] != '#')
+ ThrowException( format() << "Unsupported URL format in \"" << attrSource << "\" in source attribute of <vertex_weights> data <input> element" );
+ channel.mAccessor = attrSource + 1;
+
+ // parse source URL to corresponding source
+ if( strcmp( attrSemantic, "JOINT") == 0)
+ pController.mWeightInputJoints = channel;
+ else if( strcmp( attrSemantic, "WEIGHT") == 0)
+ pController.mWeightInputWeights = channel;
+ else
+ ThrowException( format() << "Unknown semantic \"" << attrSemantic << "\" in <vertex_weights> data <input> element" );
+
+ // skip inner data, if present
+ if( !mReader->isEmptyElement())
+ SkipElement();
+ }
+ else if( IsElement( "vcount") && vertexCount > 0 )
+ {
+ // read weight count per vertex
+ const char* text = GetTextContent();
+ size_t numWeights = 0;
+ for( std::vector<size_t>::iterator it = pController.mWeightCounts.begin(); it != pController.mWeightCounts.end(); ++it)
+ {
+ if( *text == 0)
+ ThrowException( "Out of data while reading <vcount>");
- TestClosing( "vcount");
+ *it = strtoul10( text, &text);
+ numWeights += *it;
+ SkipSpacesAndLineEnd( &text);
+ }
- // reserve weight count
- pController.mWeights.resize( numWeights);
- }
- else if( IsElement( "v") && vertexCount > 0 )
- {
- // read JointIndex - WeightIndex pairs
- const char* text = GetTextContent();
+ TestClosing( "vcount");
- for( std::vector< std::pair<size_t, size_t> >::iterator it = pController.mWeights.begin(); it != pController.mWeights.end(); ++it)
- {
- if( *text == 0)
- ThrowException( "Out of data while reading <vertex_weights>");
- it->first = strtoul10( text, &text);
- SkipSpacesAndLineEnd( &text);
- if( *text == 0)
- ThrowException( "Out of data while reading <vertex_weights>");
- it->second = strtoul10( text, &text);
- SkipSpacesAndLineEnd( &text);
- }
+ // reserve weight count
+ pController.mWeights.resize( numWeights);
+ }
+ else if( IsElement( "v") && vertexCount > 0 )
+ {
+ // read JointIndex - WeightIndex pairs
+ const char* text = GetTextContent();
- TestClosing( "v");
- }
- else
- {
- // ignore the rest
- SkipElement();
- }
- }
- else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END)
- {
- if( strcmp( mReader->getNodeName(), "vertex_weights") != 0)
- ThrowException( "Expected end of <vertex_weights> element.");
+ for( std::vector< std::pair<size_t, size_t> >::iterator it = pController.mWeights.begin(); it != pController.mWeights.end(); ++it)
+ {
+ if( *text == 0)
+ ThrowException( "Out of data while reading <vertex_weights>");
+ it->first = strtoul10( text, &text);
+ SkipSpacesAndLineEnd( &text);
+ if( *text == 0)
+ ThrowException( "Out of data while reading <vertex_weights>");
+ it->second = strtoul10( text, &text);
+ SkipSpacesAndLineEnd( &text);
+ }
- break;
- }
- }
+ TestClosing( "v");
+ }
+ else
+ {
+ // ignore the rest
+ SkipElement();
+ }
+ }
+ else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END)
+ {
+ if( strcmp( mReader->getNodeName(), "vertex_weights") != 0)
+ ThrowException( "Expected end of <vertex_weights> element.");
+
+ break;
+ }
+ }
}
// ------------------------------------------------------------------------------------------------
// Reads the image library contents
void ColladaParser::ReadImageLibrary()
{
- if( mReader->isEmptyElement())
- return;
-
- while( mReader->read())
- {
- if( mReader->getNodeType() == irr::io::EXN_ELEMENT) {
- if( IsElement( "image"))
- {
- // read ID. Another entry which is "optional" by design but obligatory in reality
- int attrID = GetAttribute( "id");
- std::string id = mReader->getAttributeValue( attrID);
+ if( mReader->isEmptyElement())
+ return;
- // create an entry and store it in the library under its ID
- mImageLibrary[id] = Image();
+ while( mReader->read())
+ {
+ if( mReader->getNodeType() == irr::io::EXN_ELEMENT) {
+ if( IsElement( "image"))
+ {
+ // read ID. Another entry which is "optional" by design but obligatory in reality
+ int attrID = GetAttribute( "id");
+ std::string id = mReader->getAttributeValue( attrID);
- // read on from there
- ReadImage( mImageLibrary[id]);
- } else
- {
- // ignore the rest
- SkipElement();
- }
- }
- else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) {
- if( strcmp( mReader->getNodeName(), "library_images") != 0)
- ThrowException( "Expected end of <library_images> element.");
+ // create an entry and store it in the library under its ID
+ mImageLibrary[id] = Image();
- break;
- }
- }
+ // read on from there
+ ReadImage( mImageLibrary[id]);
+ } else
+ {
+ // ignore the rest
+ SkipElement();
+ }
+ }
+ else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) {
+ if( strcmp( mReader->getNodeName(), "library_images") != 0)
+ ThrowException( "Expected end of <library_images> element.");
+
+ break;
+ }
+ }
}
// ------------------------------------------------------------------------------------------------
// Reads an image entry into the given image
void ColladaParser::ReadImage( Collada::Image& pImage)
{
- while( mReader->read())
- {
- if( mReader->getNodeType() == irr::io::EXN_ELEMENT){
- // Need to run different code paths here, depending on the Collada XSD version
- if (IsElement("image")) {
+ while( mReader->read())
+ {
+ if( mReader->getNodeType() == irr::io::EXN_ELEMENT){
+ // Need to run different code paths here, depending on the Collada XSD version
+ if (IsElement("image")) {
SkipElement();
}
- else if( IsElement( "init_from"))
- {
- if (mFormat == FV_1_4_n)
- {
- // FIX: C4D exporter writes empty <init_from/> tags
- if (!mReader->isEmptyElement()) {
- // element content is filename - hopefully
- const char* sz = TestTextContent();
- if (sz)pImage.mFileName = sz;
- TestClosing( "init_from");
- }
- if (!pImage.mFileName.length()) {
- pImage.mFileName = "unknown_texture";
- }
- }
- else if (mFormat == FV_1_5_n)
- {
- // make sure we skip over mip and array initializations, which
- // we don't support, but which could confuse the loader if
- // they're not skipped.
- int attrib = TestAttribute("array_index");
- if (attrib != -1 && mReader->getAttributeValueAsInt(attrib) > 0) {
- DefaultLogger::get()->warn("Collada: Ignoring texture array index");
- continue;
- }
+ else if( IsElement( "init_from"))
+ {
+ if (mFormat == FV_1_4_n)
+ {
+ // FIX: C4D exporter writes empty <init_from/> tags
+ if (!mReader->isEmptyElement()) {
+ // element content is filename - hopefully
+ const char* sz = TestTextContent();
+ if (sz)pImage.mFileName = sz;
+ TestClosing( "init_from");
+ }
+ if (!pImage.mFileName.length()) {
+ pImage.mFileName = "unknown_texture";
+ }
+ }
+ else if (mFormat == FV_1_5_n)
+ {
+ // make sure we skip over mip and array initializations, which
+ // we don't support, but which could confuse the loader if
+ // they're not skipped.
+ int attrib = TestAttribute("array_index");
+ if (attrib != -1 && mReader->getAttributeValueAsInt(attrib) > 0) {
+ DefaultLogger::get()->warn("Collada: Ignoring texture array index");
+ continue;
+ }
- attrib = TestAttribute("mip_index");
- if (attrib != -1 && mReader->getAttributeValueAsInt(attrib) > 0) {
- DefaultLogger::get()->warn("Collada: Ignoring MIP map layer");
- continue;
- }
+ attrib = TestAttribute("mip_index");
+ if (attrib != -1 && mReader->getAttributeValueAsInt(attrib) > 0) {
+ DefaultLogger::get()->warn("Collada: Ignoring MIP map layer");
+ continue;
+ }
- // TODO: correctly jump over cube and volume maps?
- }
- }
- else if (mFormat == FV_1_5_n)
- {
- if( IsElement( "ref"))
- {
- // element content is filename - hopefully
- const char* sz = TestTextContent();
- if (sz)pImage.mFileName = sz;
- TestClosing( "ref");
- }
- else if( IsElement( "hex") && !pImage.mFileName.length())
- {
- // embedded image. get format
- const int attrib = TestAttribute("format");
- if (-1 == attrib)
- DefaultLogger::get()->warn("Collada: Unknown image file format");
- else pImage.mEmbeddedFormat = mReader->getAttributeValue(attrib);
-
- const char* data = GetTextContent();
-
- // hexadecimal-encoded binary octets. First of all, find the
- // required buffer size to reserve enough storage.
- const char* cur = data;
- while (!IsSpaceOrNewLine(*cur)) cur++;
-
- const unsigned int size = (unsigned int)(cur-data) * 2;
- pImage.mImageData.resize(size);
- for (unsigned int i = 0; i < size;++i)
- pImage.mImageData[i] = HexOctetToDecimal(data+(i<<1));
-
- TestClosing( "hex");
- }
- }
- else
- {
- // ignore the rest
- SkipElement();
- }
- }
- else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) {
- if( strcmp( mReader->getNodeName(), "image") == 0)
- break;
- }
- }
+ // TODO: correctly jump over cube and volume maps?
+ }
+ }
+ else if (mFormat == FV_1_5_n)
+ {
+ if( IsElement( "ref"))
+ {
+ // element content is filename - hopefully
+ const char* sz = TestTextContent();
+ if (sz)pImage.mFileName = sz;
+ TestClosing( "ref");
+ }
+ else if( IsElement( "hex") && !pImage.mFileName.length())
+ {
+ // embedded image. get format
+ const int attrib = TestAttribute("format");
+ if (-1 == attrib)
+ DefaultLogger::get()->warn("Collada: Unknown image file format");
+ else pImage.mEmbeddedFormat = mReader->getAttributeValue(attrib);
+
+ const char* data = GetTextContent();
+
+ // hexadecimal-encoded binary octets. First of all, find the
+ // required buffer size to reserve enough storage.
+ const char* cur = data;
+ while (!IsSpaceOrNewLine(*cur)) cur++;
+
+ const unsigned int size = (unsigned int)(cur-data) * 2;
+ pImage.mImageData.resize(size);
+ for (unsigned int i = 0; i < size;++i)
+ pImage.mImageData[i] = HexOctetToDecimal(data+(i<<1));
+
+ TestClosing( "hex");
+ }
+ }
+ else
+ {
+ // ignore the rest
+ SkipElement();
+ }
+ }
+ else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) {
+ if( strcmp( mReader->getNodeName(), "image") == 0)
+ break;
+ }
+ }
}
// ------------------------------------------------------------------------------------------------
// Reads the material library
void ColladaParser::ReadMaterialLibrary()
{
- if( mReader->isEmptyElement())
- return;
+ if( mReader->isEmptyElement())
+ return;
+
+ std::map<std::string, int> names;
+ while( mReader->read())
+ {
+ if( mReader->getNodeType() == irr::io::EXN_ELEMENT)
+ {
+ if( IsElement( "material"))
+ {
+ // read ID. By now you probably know my opinion about this "specification"
+ int attrID = GetAttribute( "id");
+ std::string id = mReader->getAttributeValue( attrID);
- while( mReader->read())
- {
- if( mReader->getNodeType() == irr::io::EXN_ELEMENT)
- {
- if( IsElement( "material"))
- {
- // read ID. By now you propably know my opinion about this "specification"
- int attrID = GetAttribute( "id");
- std::string id = mReader->getAttributeValue( attrID);
+ std::string name;
+ int attrName = TestAttribute("name");
+ if (attrName >= 0)
+ name = mReader->getAttributeValue( attrName);
- // create an entry and store it in the library under its ID
- ReadMaterial(mMaterialLibrary[id] = Material());
- } else
- {
- // ignore the rest
- SkipElement();
- }
- }
- else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END)
- {
- if( strcmp( mReader->getNodeName(), "library_materials") != 0)
- ThrowException( "Expected end of <library_materials> element.");
+ // create an entry and store it in the library under its ID
+ mMaterialLibrary[id] = Material();
- break;
- }
- }
+ if( !name.empty())
+ {
+ std::map<std::string, int>::iterator it = names.find( name);
+ if( it != names.end())
+ {
+ std::ostringstream strStream;
+ strStream << ++it->second;
+ name.append( " " + strStream.str());
+ }
+ else
+ {
+ names[name] = 0;
+ }
+
+ mMaterialLibrary[id].mName = name;
+ }
+
+ ReadMaterial( mMaterialLibrary[id]);
+ } else
+ {
+ // ignore the rest
+ SkipElement();
+ }
+ }
+ else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END)
+ {
+ if( strcmp( mReader->getNodeName(), "library_materials") != 0)
+ ThrowException( "Expected end of <library_materials> element.");
+
+ break;
+ }
+ }
}
// ------------------------------------------------------------------------------------------------
// Reads the light library
void ColladaParser::ReadLightLibrary()
{
- if( mReader->isEmptyElement())
- return;
+ if( mReader->isEmptyElement())
+ return;
- while( mReader->read())
- {
- if( mReader->getNodeType() == irr::io::EXN_ELEMENT) {
- if( IsElement( "light"))
- {
- // read ID. By now you propably know my opinion about this "specification"
- int attrID = GetAttribute( "id");
- std::string id = mReader->getAttributeValue( attrID);
+ while( mReader->read())
+ {
+ if( mReader->getNodeType() == irr::io::EXN_ELEMENT) {
+ if( IsElement( "light"))
+ {
+ // read ID. By now you probably know my opinion about this "specification"
+ int attrID = GetAttribute( "id");
+ std::string id = mReader->getAttributeValue( attrID);
- // create an entry and store it in the library under its ID
- ReadLight(mLightLibrary[id] = Light());
+ // create an entry and store it in the library under its ID
+ ReadLight(mLightLibrary[id] = Light());
- } else
- {
- // ignore the rest
- SkipElement();
- }
- }
- else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) {
- if( strcmp( mReader->getNodeName(), "library_lights") != 0)
- ThrowException( "Expected end of <library_lights> element.");
-
- break;
- }
- }
+ } else
+ {
+ // ignore the rest
+ SkipElement();
+ }
+ }
+ else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) {
+ if( strcmp( mReader->getNodeName(), "library_lights") != 0)
+ ThrowException( "Expected end of <library_lights> element.");
+
+ break;
+ }
+ }
}
// ------------------------------------------------------------------------------------------------
// Reads the camera library
void ColladaParser::ReadCameraLibrary()
{
- if( mReader->isEmptyElement())
- return;
+ if( mReader->isEmptyElement())
+ return;
- while( mReader->read())
- {
- if( mReader->getNodeType() == irr::io::EXN_ELEMENT) {
- if( IsElement( "camera"))
- {
- // read ID. By now you propably know my opinion about this "specification"
- int attrID = GetAttribute( "id");
- std::string id = mReader->getAttributeValue( attrID);
-
- // create an entry and store it in the library under its ID
- Camera& cam = mCameraLibrary[id];
- attrID = TestAttribute( "name");
- if (attrID != -1)
- cam.mName = mReader->getAttributeValue( attrID);
+ while( mReader->read())
+ {
+ if( mReader->getNodeType() == irr::io::EXN_ELEMENT) {
+ if( IsElement( "camera"))
+ {
+ // read ID. By now you probably know my opinion about this "specification"
+ int attrID = GetAttribute( "id");
+ std::string id = mReader->getAttributeValue( attrID);
- ReadCamera(cam);
+ // create an entry and store it in the library under its ID
+ Camera& cam = mCameraLibrary[id];
+ attrID = TestAttribute( "name");
+ if (attrID != -1)
+ cam.mName = mReader->getAttributeValue( attrID);
- } else
- {
- // ignore the rest
- SkipElement();
- }
- }
- else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) {
- if( strcmp( mReader->getNodeName(), "library_cameras") != 0)
- ThrowException( "Expected end of <library_cameras> element.");
+ ReadCamera(cam);
- break;
- }
- }
+ } else
+ {
+ // ignore the rest
+ SkipElement();
+ }
+ }
+ else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) {
+ if( strcmp( mReader->getNodeName(), "library_cameras") != 0)
+ ThrowException( "Expected end of <library_cameras> element.");
+
+ break;
+ }
+ }
}
// ------------------------------------------------------------------------------------------------
// Reads a material entry into the given material
void ColladaParser::ReadMaterial( Collada::Material& pMaterial)
{
- while( mReader->read())
- {
- if( mReader->getNodeType() == irr::io::EXN_ELEMENT) {
- if (IsElement("material")) {
+ while( mReader->read())
+ {
+ if( mReader->getNodeType() == irr::io::EXN_ELEMENT) {
+ if (IsElement("material")) {
SkipElement();
}
- else if( IsElement( "instance_effect"))
- {
- // referred effect by URL
- int attrUrl = GetAttribute( "url");
- const char* url = mReader->getAttributeValue( attrUrl);
- if( url[0] != '#')
- ThrowException( "Unknown reference format");
+ else if( IsElement( "instance_effect"))
+ {
+ // referred effect by URL
+ int attrUrl = GetAttribute( "url");
+ const char* url = mReader->getAttributeValue( attrUrl);
+ if( url[0] != '#')
+ ThrowException( "Unknown reference format");
- pMaterial.mEffect = url+1;
+ pMaterial.mEffect = url+1;
- SkipElement();
- } else
- {
- // ignore the rest
- SkipElement();
- }
- }
- else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) {
- if( strcmp( mReader->getNodeName(), "material") != 0)
- ThrowException( "Expected end of <material> element.");
-
- break;
- }
- }
+ SkipElement();
+ } else
+ {
+ // ignore the rest
+ SkipElement();
+ }
+ }
+ else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) {
+ if( strcmp( mReader->getNodeName(), "material") != 0)
+ ThrowException( "Expected end of <material> element.");
+
+ break;
+ }
+ }
}
// ------------------------------------------------------------------------------------------------
// Reads a light entry into the given light
void ColladaParser::ReadLight( Collada::Light& pLight)
{
- while( mReader->read())
- {
- if( mReader->getNodeType() == irr::io::EXN_ELEMENT) {
+ while( mReader->read())
+ {
+ if( mReader->getNodeType() == irr::io::EXN_ELEMENT) {
if (IsElement("light")) {
SkipElement();
}
- else if (IsElement("spot")) {
- pLight.mType = aiLightSource_SPOT;
- }
- else if (IsElement("ambient")) {
- pLight.mType = aiLightSource_AMBIENT;
- }
- else if (IsElement("directional")) {
- pLight.mType = aiLightSource_DIRECTIONAL;
- }
- else if (IsElement("point")) {
- pLight.mType = aiLightSource_POINT;
- }
- else if (IsElement("color")) {
- // text content contains 3 floats
- const char* content = GetTextContent();
-
- content = fast_atoreal_move<float>( content, (float&)pLight.mColor.r);
- SkipSpacesAndLineEnd( &content);
-
- content = fast_atoreal_move<float>( content, (float&)pLight.mColor.g);
- SkipSpacesAndLineEnd( &content);
-
- content = fast_atoreal_move<float>( content, (float&)pLight.mColor.b);
- SkipSpacesAndLineEnd( &content);
-
- TestClosing( "color");
- }
- else if (IsElement("constant_attenuation")) {
- pLight.mAttConstant = ReadFloatFromTextContent();
- TestClosing("constant_attenuation");
- }
- else if (IsElement("linear_attenuation")) {
- pLight.mAttLinear = ReadFloatFromTextContent();
- TestClosing("linear_attenuation");
- }
- else if (IsElement("quadratic_attenuation")) {
- pLight.mAttQuadratic = ReadFloatFromTextContent();
- TestClosing("quadratic_attenuation");
- }
- else if (IsElement("falloff_angle")) {
- pLight.mFalloffAngle = ReadFloatFromTextContent();
- TestClosing("falloff_angle");
- }
- else if (IsElement("falloff_exponent")) {
- pLight.mFalloffExponent = ReadFloatFromTextContent();
- TestClosing("falloff_exponent");
- }
- // FCOLLADA extensions
- // -------------------------------------------------------
- else if (IsElement("outer_cone")) {
- pLight.mOuterAngle = ReadFloatFromTextContent();
- TestClosing("outer_cone");
- }
- // ... and this one is even deprecated
- else if (IsElement("penumbra_angle")) {
- pLight.mPenumbraAngle = ReadFloatFromTextContent();
- TestClosing("penumbra_angle");
- }
- else if (IsElement("intensity")) {
- pLight.mIntensity = ReadFloatFromTextContent();
- TestClosing("intensity");
- }
- else if (IsElement("falloff")) {
- pLight.mOuterAngle = ReadFloatFromTextContent();
- TestClosing("falloff");
- }
- else if (IsElement("hotspot_beam")) {
- pLight.mFalloffAngle = ReadFloatFromTextContent();
- TestClosing("hotspot_beam");
- }
- }
- else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) {
- if( strcmp( mReader->getNodeName(), "light") == 0)
- break;
- }
- }
+ else if (IsElement("spot")) {
+ pLight.mType = aiLightSource_SPOT;
+ }
+ else if (IsElement("ambient")) {
+ pLight.mType = aiLightSource_AMBIENT;
+ }
+ else if (IsElement("directional")) {
+ pLight.mType = aiLightSource_DIRECTIONAL;
+ }
+ else if (IsElement("point")) {
+ pLight.mType = aiLightSource_POINT;
+ }
+ else if (IsElement("color")) {
+ // text content contains 3 floats
+ const char* content = GetTextContent();
+
+ content = fast_atoreal_move<float>( content, (float&)pLight.mColor.r);
+ SkipSpacesAndLineEnd( &content);
+
+ content = fast_atoreal_move<float>( content, (float&)pLight.mColor.g);
+ SkipSpacesAndLineEnd( &content);
+
+ content = fast_atoreal_move<float>( content, (float&)pLight.mColor.b);
+ SkipSpacesAndLineEnd( &content);
+
+ TestClosing( "color");
+ }
+ else if (IsElement("constant_attenuation")) {
+ pLight.mAttConstant = ReadFloatFromTextContent();
+ TestClosing("constant_attenuation");
+ }
+ else if (IsElement("linear_attenuation")) {
+ pLight.mAttLinear = ReadFloatFromTextContent();
+ TestClosing("linear_attenuation");
+ }
+ else if (IsElement("quadratic_attenuation")) {
+ pLight.mAttQuadratic = ReadFloatFromTextContent();
+ TestClosing("quadratic_attenuation");
+ }
+ else if (IsElement("falloff_angle")) {
+ pLight.mFalloffAngle = ReadFloatFromTextContent();
+ TestClosing("falloff_angle");
+ }
+ else if (IsElement("falloff_exponent")) {
+ pLight.mFalloffExponent = ReadFloatFromTextContent();
+ TestClosing("falloff_exponent");
+ }
+ // FCOLLADA extensions
+ // -------------------------------------------------------
+ else if (IsElement("outer_cone")) {
+ pLight.mOuterAngle = ReadFloatFromTextContent();
+ TestClosing("outer_cone");
+ }
+ // ... and this one is even deprecated
+ else if (IsElement("penumbra_angle")) {
+ pLight.mPenumbraAngle = ReadFloatFromTextContent();
+ TestClosing("penumbra_angle");
+ }
+ else if (IsElement("intensity")) {
+ pLight.mIntensity = ReadFloatFromTextContent();
+ TestClosing("intensity");
+ }
+ else if (IsElement("falloff")) {
+ pLight.mOuterAngle = ReadFloatFromTextContent();
+ TestClosing("falloff");
+ }
+ else if (IsElement("hotspot_beam")) {
+ pLight.mFalloffAngle = ReadFloatFromTextContent();
+ TestClosing("hotspot_beam");
+ }
+ // OpenCOLLADA extensions
+ // -------------------------------------------------------
+ else if (IsElement("decay_falloff")) {
+ pLight.mOuterAngle = ReadFloatFromTextContent();
+ TestClosing("decay_falloff");
+ }
+ }
+ else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) {
+ if( strcmp( mReader->getNodeName(), "light") == 0)
+ break;
+ }
+ }
}
// ------------------------------------------------------------------------------------------------
// Reads a camera entry into the given light
void ColladaParser::ReadCamera( Collada::Camera& pCamera)
{
- while( mReader->read())
- {
- if( mReader->getNodeType() == irr::io::EXN_ELEMENT) {
- if (IsElement("camera")) {
+ while( mReader->read())
+ {
+ if( mReader->getNodeType() == irr::io::EXN_ELEMENT) {
+ if (IsElement("camera")) {
SkipElement();
}
- else if (IsElement("orthographic")) {
- pCamera.mOrtho = true;
- }
- else if (IsElement("xfov") || IsElement("xmag")) {
- pCamera.mHorFov = ReadFloatFromTextContent();
- TestClosing((pCamera.mOrtho ? "xmag" : "xfov"));
- }
- else if (IsElement("yfov") || IsElement("ymag")) {
- pCamera.mVerFov = ReadFloatFromTextContent();
- TestClosing((pCamera.mOrtho ? "ymag" : "yfov"));
- }
- else if (IsElement("aspect_ratio")) {
- pCamera.mAspect = ReadFloatFromTextContent();
- TestClosing("aspect_ratio");
- }
- else if (IsElement("znear")) {
- pCamera.mZNear = ReadFloatFromTextContent();
- TestClosing("znear");
- }
- else if (IsElement("zfar")) {
- pCamera.mZFar = ReadFloatFromTextContent();
- TestClosing("zfar");
- }
- }
- else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) {
- if( strcmp( mReader->getNodeName(), "camera") == 0)
- break;
- }
- }
+ else if (IsElement("orthographic")) {
+ pCamera.mOrtho = true;
+ }
+ else if (IsElement("xfov") || IsElement("xmag")) {
+ pCamera.mHorFov = ReadFloatFromTextContent();
+ TestClosing((pCamera.mOrtho ? "xmag" : "xfov"));
+ }
+ else if (IsElement("yfov") || IsElement("ymag")) {
+ pCamera.mVerFov = ReadFloatFromTextContent();
+ TestClosing((pCamera.mOrtho ? "ymag" : "yfov"));
+ }
+ else if (IsElement("aspect_ratio")) {
+ pCamera.mAspect = ReadFloatFromTextContent();
+ TestClosing("aspect_ratio");
+ }
+ else if (IsElement("znear")) {
+ pCamera.mZNear = ReadFloatFromTextContent();
+ TestClosing("znear");
+ }
+ else if (IsElement("zfar")) {
+ pCamera.mZFar = ReadFloatFromTextContent();
+ TestClosing("zfar");
+ }
+ }
+ else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) {
+ if( strcmp( mReader->getNodeName(), "camera") == 0)
+ break;
+ }
+ }
}
// ------------------------------------------------------------------------------------------------
// Reads the effect library
void ColladaParser::ReadEffectLibrary()
{
- if (mReader->isEmptyElement()) {
- return;
- }
-
- while( mReader->read())
- {
- if( mReader->getNodeType() == irr::io::EXN_ELEMENT) {
- if( IsElement( "effect"))
- {
- // read ID. Do I have to repeat my ranting about "optional" attributes?
- int attrID = GetAttribute( "id");
- std::string id = mReader->getAttributeValue( attrID);
-
- // create an entry and store it in the library under its ID
- mEffectLibrary[id] = Effect();
- // read on from there
- ReadEffect( mEffectLibrary[id]);
- } else
- {
- // ignore the rest
- SkipElement();
- }
- }
- else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) {
- if( strcmp( mReader->getNodeName(), "library_effects") != 0)
- ThrowException( "Expected end of <library_effects> element.");
-
- break;
- }
- }
+ if (mReader->isEmptyElement()) {
+ return;
+ }
+
+ while( mReader->read())
+ {
+ if( mReader->getNodeType() == irr::io::EXN_ELEMENT) {
+ if( IsElement( "effect"))
+ {
+ // read ID. Do I have to repeat my ranting about "optional" attributes?
+ int attrID = GetAttribute( "id");
+ std::string id = mReader->getAttributeValue( attrID);
+
+ // create an entry and store it in the library under its ID
+ mEffectLibrary[id] = Effect();
+ // read on from there
+ ReadEffect( mEffectLibrary[id]);
+ } else
+ {
+ // ignore the rest
+ SkipElement();
+ }
+ }
+ else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) {
+ if( strcmp( mReader->getNodeName(), "library_effects") != 0)
+ ThrowException( "Expected end of <library_effects> element.");
+
+ break;
+ }
+ }
}
// ------------------------------------------------------------------------------------------------
// Reads an effect entry into the given effect
void ColladaParser::ReadEffect( Collada::Effect& pEffect)
{
- // for the moment we don't support any other type of effect.
- while( mReader->read())
- {
- if( mReader->getNodeType() == irr::io::EXN_ELEMENT)
- {
- if( IsElement( "profile_COMMON"))
- ReadEffectProfileCommon( pEffect);
- else
- SkipElement();
- }
- else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END)
- {
- if( strcmp( mReader->getNodeName(), "effect") != 0)
- ThrowException( "Expected end of <effect> element.");
-
- break;
- }
- }
+ // for the moment we don't support any other type of effect.
+ while( mReader->read())
+ {
+ if( mReader->getNodeType() == irr::io::EXN_ELEMENT)
+ {
+ if( IsElement( "profile_COMMON"))
+ ReadEffectProfileCommon( pEffect);
+ else
+ SkipElement();
+ }
+ else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END)
+ {
+ if( strcmp( mReader->getNodeName(), "effect") != 0)
+ ThrowException( "Expected end of <effect> element.");
+
+ break;
+ }
+ }
}
// ------------------------------------------------------------------------------------------------
// Reads an COMMON effect profile
void ColladaParser::ReadEffectProfileCommon( Collada::Effect& pEffect)
{
- while( mReader->read())
- {
- if( mReader->getNodeType() == irr::io::EXN_ELEMENT)
- {
- if( IsElement( "newparam")) {
- // save ID
- int attrSID = GetAttribute( "sid");
- std::string sid = mReader->getAttributeValue( attrSID);
- pEffect.mParams[sid] = EffectParam();
- ReadEffectParam( pEffect.mParams[sid]);
- }
- else if( IsElement( "technique") || IsElement( "extra"))
- {
- // just syntactic sugar
- }
+ while( mReader->read())
+ {
+ if( mReader->getNodeType() == irr::io::EXN_ELEMENT)
+ {
+ if( IsElement( "newparam")) {
+ // save ID
+ int attrSID = GetAttribute( "sid");
+ std::string sid = mReader->getAttributeValue( attrSID);
+ pEffect.mParams[sid] = EffectParam();
+ ReadEffectParam( pEffect.mParams[sid]);
+ }
+ else if( IsElement( "technique") || IsElement( "extra"))
+ {
+ // just syntactic sugar
+ }
- /* Shading modes */
- else if( IsElement( "phong"))
- pEffect.mShadeType = Shade_Phong;
- else if( IsElement( "constant"))
- pEffect.mShadeType = Shade_Constant;
- else if( IsElement( "lambert"))
- pEffect.mShadeType = Shade_Lambert;
- else if( IsElement( "blinn"))
- pEffect.mShadeType = Shade_Blinn;
-
- /* Color + texture properties */
- else if( IsElement( "emission"))
- ReadEffectColor( pEffect.mEmissive, pEffect.mTexEmissive);
- else if( IsElement( "ambient"))
- ReadEffectColor( pEffect.mAmbient, pEffect.mTexAmbient);
- else if( IsElement( "diffuse"))
- ReadEffectColor( pEffect.mDiffuse, pEffect.mTexDiffuse);
- else if( IsElement( "specular"))
- ReadEffectColor( pEffect.mSpecular, pEffect.mTexSpecular);
- else if( IsElement( "reflective")) {
- ReadEffectColor( pEffect.mReflective, pEffect.mTexReflective);
- }
- else if( IsElement( "transparent")) {
- ReadEffectColor( pEffect.mTransparent,pEffect.mTexTransparent);
- }
- else if( IsElement( "shininess"))
- ReadEffectFloat( pEffect.mShininess);
- else if( IsElement( "reflectivity"))
- ReadEffectFloat( pEffect.mReflectivity);
-
- /* Single scalar properties */
- else if( IsElement( "transparency"))
- ReadEffectFloat( pEffect.mTransparency);
- else if( IsElement( "index_of_refraction"))
- ReadEffectFloat( pEffect.mRefractIndex);
-
- // GOOGLEEARTH/OKINO extensions
- // -------------------------------------------------------
- else if( IsElement( "double_sided"))
- pEffect.mDoubleSided = ReadBoolFromTextContent();
-
- // FCOLLADA extensions
- // -------------------------------------------------------
- else if( IsElement( "bump")) {
- aiColor4D dummy;
- ReadEffectColor( dummy,pEffect.mTexBump);
- }
+ else if( mFormat == FV_1_4_n && IsElement( "image"))
+ {
+ // read ID. Another entry which is "optional" by design but obligatory in reality
+ int attrID = GetAttribute( "id");
+ std::string id = mReader->getAttributeValue( attrID);
- // MAX3D extensions
- // -------------------------------------------------------
- else if( IsElement( "wireframe")) {
- pEffect.mWireframe = ReadBoolFromTextContent();
- TestClosing( "wireframe");
- }
- else if( IsElement( "faceted")) {
- pEffect.mFaceted = ReadBoolFromTextContent();
- TestClosing( "faceted");
- }
- else
- {
- // ignore the rest
- SkipElement();
- }
- }
- else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) {
- if( strcmp( mReader->getNodeName(), "profile_COMMON") == 0)
- {
- break;
- }
- }
- }
+ // create an entry and store it in the library under its ID
+ mImageLibrary[id] = Image();
+
+ // read on from there
+ ReadImage( mImageLibrary[id]);
+ }
+
+ /* Shading modes */
+ else if( IsElement( "phong"))
+ pEffect.mShadeType = Shade_Phong;
+ else if( IsElement( "constant"))
+ pEffect.mShadeType = Shade_Constant;
+ else if( IsElement( "lambert"))
+ pEffect.mShadeType = Shade_Lambert;
+ else if( IsElement( "blinn"))
+ pEffect.mShadeType = Shade_Blinn;
+
+ /* Color + texture properties */
+ else if( IsElement( "emission"))
+ ReadEffectColor( pEffect.mEmissive, pEffect.mTexEmissive);
+ else if( IsElement( "ambient"))
+ ReadEffectColor( pEffect.mAmbient, pEffect.mTexAmbient);
+ else if( IsElement( "diffuse"))
+ ReadEffectColor( pEffect.mDiffuse, pEffect.mTexDiffuse);
+ else if( IsElement( "specular"))
+ ReadEffectColor( pEffect.mSpecular, pEffect.mTexSpecular);
+ else if( IsElement( "reflective")) {
+ ReadEffectColor( pEffect.mReflective, pEffect.mTexReflective);
+ }
+ else if( IsElement( "transparent")) {
+ pEffect.mHasTransparency = true;
+
+ const char* opaque = mReader->getAttributeValueSafe("opaque");
+
+ if(::strcmp(opaque, "RGB_ZERO") == 0 || ::strcmp(opaque, "RGB_ONE") == 0) {
+ pEffect.mRGBTransparency = true;
+ }
+
+ // In RGB_ZERO mode, the transparency is interpreted in reverse, go figure...
+ if(::strcmp(opaque, "RGB_ZERO") == 0 || ::strcmp(opaque, "A_ZERO") == 0) {
+ pEffect.mInvertTransparency = true;
+ }
+
+ ReadEffectColor( pEffect.mTransparent,pEffect.mTexTransparent);
+ }
+ else if( IsElement( "shininess"))
+ ReadEffectFloat( pEffect.mShininess);
+ else if( IsElement( "reflectivity"))
+ ReadEffectFloat( pEffect.mReflectivity);
+
+ /* Single scalar properties */
+ else if( IsElement( "transparency"))
+ ReadEffectFloat( pEffect.mTransparency);
+ else if( IsElement( "index_of_refraction"))
+ ReadEffectFloat( pEffect.mRefractIndex);
+
+ // GOOGLEEARTH/OKINO extensions
+ // -------------------------------------------------------
+ else if( IsElement( "double_sided"))
+ pEffect.mDoubleSided = ReadBoolFromTextContent();
+
+ // FCOLLADA extensions
+ // -------------------------------------------------------
+ else if( IsElement( "bump")) {
+ aiColor4D dummy;
+ ReadEffectColor( dummy,pEffect.mTexBump);
+ }
+
+ // MAX3D extensions
+ // -------------------------------------------------------
+ else if( IsElement( "wireframe")) {
+ pEffect.mWireframe = ReadBoolFromTextContent();
+ TestClosing( "wireframe");
+ }
+ else if( IsElement( "faceted")) {
+ pEffect.mFaceted = ReadBoolFromTextContent();
+ TestClosing( "faceted");
+ }
+ else
+ {
+ // ignore the rest
+ SkipElement();
+ }
+ }
+ else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) {
+ if( strcmp( mReader->getNodeName(), "profile_COMMON") == 0)
+ {
+ break;
+ }
+ }
+ }
}
// ------------------------------------------------------------------------------------------------
// Read texture wrapping + UV transform settings from a profile==Maya chunk
void ColladaParser::ReadSamplerProperties( Sampler& out )
{
- if (mReader->isEmptyElement()) {
- return;
- }
+ if (mReader->isEmptyElement()) {
+ return;
+ }
+
+ while( mReader->read())
+ {
+ if( mReader->getNodeType() == irr::io::EXN_ELEMENT) {
+
+ // MAYA extensions
+ // -------------------------------------------------------
+ if( IsElement( "wrapU")) {
+ out.mWrapU = ReadBoolFromTextContent();
+ TestClosing( "wrapU");
+ }
+ else if( IsElement( "wrapV")) {
+ out.mWrapV = ReadBoolFromTextContent();
+ TestClosing( "wrapV");
+ }
+ else if( IsElement( "mirrorU")) {
+ out.mMirrorU = ReadBoolFromTextContent();
+ TestClosing( "mirrorU");
+ }
+ else if( IsElement( "mirrorV")) {
+ out.mMirrorV = ReadBoolFromTextContent();
+ TestClosing( "mirrorV");
+ }
+ else if( IsElement( "repeatU")) {
+ out.mTransform.mScaling.x = ReadFloatFromTextContent();
+ TestClosing( "repeatU");
+ }
+ else if( IsElement( "repeatV")) {
+ out.mTransform.mScaling.y = ReadFloatFromTextContent();
+ TestClosing( "repeatV");
+ }
+ else if( IsElement( "offsetU")) {
+ out.mTransform.mTranslation.x = ReadFloatFromTextContent();
+ TestClosing( "offsetU");
+ }
+ else if( IsElement( "offsetV")) {
+ out.mTransform.mTranslation.y = ReadFloatFromTextContent();
+ TestClosing( "offsetV");
+ }
+ else if( IsElement( "rotateUV")) {
+ out.mTransform.mRotation = ReadFloatFromTextContent();
+ TestClosing( "rotateUV");
+ }
+ else if( IsElement( "blend_mode")) {
- while( mReader->read())
- {
- if( mReader->getNodeType() == irr::io::EXN_ELEMENT) {
+ const char* sz = GetTextContent();
+ // http://www.feelingsoftware.com/content/view/55/72/lang,en/
+ // NONE, OVER, IN, OUT, ADD, SUBTRACT, MULTIPLY, DIFFERENCE, LIGHTEN, DARKEN, SATURATE, DESATURATE and ILLUMINATE
+ if (0 == ASSIMP_strincmp(sz,"ADD",3))
+ out.mOp = aiTextureOp_Add;
- // MAYA extensions
- // -------------------------------------------------------
- if( IsElement( "wrapU")) {
- out.mWrapU = ReadBoolFromTextContent();
- TestClosing( "wrapU");
- }
- else if( IsElement( "wrapV")) {
- out.mWrapV = ReadBoolFromTextContent();
- TestClosing( "wrapV");
- }
- else if( IsElement( "mirrorU")) {
- out.mMirrorU = ReadBoolFromTextContent();
- TestClosing( "mirrorU");
- }
- else if( IsElement( "mirrorV")) {
- out.mMirrorV = ReadBoolFromTextContent();
- TestClosing( "mirrorV");
- }
- else if( IsElement( "repeatU")) {
- out.mTransform.mScaling.x = ReadFloatFromTextContent();
- TestClosing( "repeatU");
- }
- else if( IsElement( "repeatV")) {
- out.mTransform.mScaling.y = ReadFloatFromTextContent();
- TestClosing( "repeatV");
- }
- else if( IsElement( "offsetU")) {
- out.mTransform.mTranslation.x = ReadFloatFromTextContent();
- TestClosing( "offsetU");
- }
- else if( IsElement( "offsetV")) {
- out.mTransform.mTranslation.y = ReadFloatFromTextContent();
- TestClosing( "offsetV");
- }
- else if( IsElement( "rotateUV")) {
- out.mTransform.mRotation = ReadFloatFromTextContent();
- TestClosing( "rotateUV");
- }
- else if( IsElement( "blend_mode")) {
-
- const char* sz = GetTextContent();
- // http://www.feelingsoftware.com/content/view/55/72/lang,en/
- // NONE, OVER, IN, OUT, ADD, SUBTRACT, MULTIPLY, DIFFERENCE, LIGHTEN, DARKEN, SATURATE, DESATURATE and ILLUMINATE
- if (0 == ASSIMP_strincmp(sz,"ADD",3))
- out.mOp = aiTextureOp_Add;
-
- else if (0 == ASSIMP_strincmp(sz,"SUBTRACT",8))
- out.mOp = aiTextureOp_Subtract;
-
- else if (0 == ASSIMP_strincmp(sz,"MULTIPLY",8))
- out.mOp = aiTextureOp_Multiply;
-
- else {
- DefaultLogger::get()->warn("Collada: Unsupported MAYA texture blend mode");
- }
- TestClosing( "blend_mode");
- }
- // OKINO extensions
- // -------------------------------------------------------
- else if( IsElement( "weighting")) {
- out.mWeighting = ReadFloatFromTextContent();
- TestClosing( "weighting");
- }
- else if( IsElement( "mix_with_previous_layer")) {
- out.mMixWithPrevious = ReadFloatFromTextContent();
- TestClosing( "mix_with_previous_layer");
- }
- // MAX3D extensions
- // -------------------------------------------------------
- else if( IsElement( "amount")) {
- out.mWeighting = ReadFloatFromTextContent();
- TestClosing( "amount");
- }
- }
- else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) {
- if( strcmp( mReader->getNodeName(), "technique") == 0)
- break;
- }
- }
+ else if (0 == ASSIMP_strincmp(sz,"SUBTRACT",8))
+ out.mOp = aiTextureOp_Subtract;
+
+ else if (0 == ASSIMP_strincmp(sz,"MULTIPLY",8))
+ out.mOp = aiTextureOp_Multiply;
+
+ else {
+ DefaultLogger::get()->warn("Collada: Unsupported MAYA texture blend mode");
+ }
+ TestClosing( "blend_mode");
+ }
+ // OKINO extensions
+ // -------------------------------------------------------
+ else if( IsElement( "weighting")) {
+ out.mWeighting = ReadFloatFromTextContent();
+ TestClosing( "weighting");
+ }
+ else if( IsElement( "mix_with_previous_layer")) {
+ out.mMixWithPrevious = ReadFloatFromTextContent();
+ TestClosing( "mix_with_previous_layer");
+ }
+ // MAX3D extensions
+ // -------------------------------------------------------
+ else if( IsElement( "amount")) {
+ out.mWeighting = ReadFloatFromTextContent();
+ TestClosing( "amount");
+ }
+ }
+ else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) {
+ if( strcmp( mReader->getNodeName(), "technique") == 0)
+ break;
+ }
+ }
}
// ------------------------------------------------------------------------------------------------
// Reads an effect entry containing a color or a texture defining that color
void ColladaParser::ReadEffectColor( aiColor4D& pColor, Sampler& pSampler)
{
- if (mReader->isEmptyElement())
- return;
+ if (mReader->isEmptyElement())
+ return;
- // Save current element name
- const std::string curElem = mReader->getNodeName();
+ // Save current element name
+ const std::string curElem = mReader->getNodeName();
- while( mReader->read())
- {
- if( mReader->getNodeType() == irr::io::EXN_ELEMENT) {
- if( IsElement( "color"))
- {
- // text content contains 4 floats
- const char* content = GetTextContent();
+ while( mReader->read())
+ {
+ if( mReader->getNodeType() == irr::io::EXN_ELEMENT) {
+ if( IsElement( "color"))
+ {
+ // text content contains 4 floats
+ const char* content = GetTextContent();
- content = fast_atoreal_move<float>( content, (float&)pColor.r);
- SkipSpacesAndLineEnd( &content);
+ content = fast_atoreal_move<float>( content, (float&)pColor.r);
+ SkipSpacesAndLineEnd( &content);
- content = fast_atoreal_move<float>( content, (float&)pColor.g);
- SkipSpacesAndLineEnd( &content);
+ content = fast_atoreal_move<float>( content, (float&)pColor.g);
+ SkipSpacesAndLineEnd( &content);
- content = fast_atoreal_move<float>( content, (float&)pColor.b);
- SkipSpacesAndLineEnd( &content);
+ content = fast_atoreal_move<float>( content, (float&)pColor.b);
+ SkipSpacesAndLineEnd( &content);
- content = fast_atoreal_move<float>( content, (float&)pColor.a);
- SkipSpacesAndLineEnd( &content);
- TestClosing( "color");
- }
- else if( IsElement( "texture"))
- {
- // get name of source textur/sampler
- int attrTex = GetAttribute( "texture");
- pSampler.mName = mReader->getAttributeValue( attrTex);
-
- // get name of UV source channel. Specification demands it to be there, but some exporters
- // don't write it. It will be the default UV channel in case it's missing.
- attrTex = TestAttribute( "texcoord");
- if( attrTex >= 0 )
- pSampler.mUVChannel = mReader->getAttributeValue( attrTex);
- //SkipElement();
- }
- else if( IsElement( "technique"))
- {
- const int _profile = GetAttribute( "profile");
- const char* profile = mReader->getAttributeValue( _profile );
+ content = fast_atoreal_move<float>( content, (float&)pColor.a);
+ SkipSpacesAndLineEnd( &content);
+ TestClosing( "color");
+ }
+ else if( IsElement( "texture"))
+ {
+ // get name of source textur/sampler
+ int attrTex = GetAttribute( "texture");
+ pSampler.mName = mReader->getAttributeValue( attrTex);
+
+ // get name of UV source channel. Specification demands it to be there, but some exporters
+ // don't write it. It will be the default UV channel in case it's missing.
+ attrTex = TestAttribute( "texcoord");
+ if( attrTex >= 0 )
+ pSampler.mUVChannel = mReader->getAttributeValue( attrTex);
+ //SkipElement();
+
+ // as we've read texture, the color needs to be 1,1,1,1
+ pColor = aiColor4D(1.f, 1.f, 1.f, 1.f);
+ }
+ else if( IsElement( "technique"))
+ {
+ const int _profile = GetAttribute( "profile");
+ const char* profile = mReader->getAttributeValue( _profile );
- // Some extensions are quite useful ... ReadSamplerProperties processes
- // several extensions in MAYA, OKINO and MAX3D profiles.
- if (!::strcmp(profile,"MAYA") || !::strcmp(profile,"MAX3D") || !::strcmp(profile,"OKINO"))
- {
- // get more information on this sampler
- ReadSamplerProperties(pSampler);
- }
- else SkipElement();
- }
- else if( !IsElement( "extra"))
- {
- // ignore the rest
- SkipElement();
- }
- }
- else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END){
- if (mReader->getNodeName() == curElem)
- break;
- }
- }
+ // Some extensions are quite useful ... ReadSamplerProperties processes
+ // several extensions in MAYA, OKINO and MAX3D profiles.
+ if (!::strcmp(profile,"MAYA") || !::strcmp(profile,"MAX3D") || !::strcmp(profile,"OKINO"))
+ {
+ // get more information on this sampler
+ ReadSamplerProperties(pSampler);
+ }
+ else SkipElement();
+ }
+ else if( !IsElement( "extra"))
+ {
+ // ignore the rest
+ SkipElement();
+ }
+ }
+ else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END){
+ if (mReader->getNodeName() == curElem)
+ break;
+ }
+ }
}
// ------------------------------------------------------------------------------------------------
// Reads an effect entry containing a float
void ColladaParser::ReadEffectFloat( float& pFloat)
{
- while( mReader->read())
- {
- if( mReader->getNodeType() == irr::io::EXN_ELEMENT){
- if( IsElement( "float"))
- {
- // text content contains a single floats
- const char* content = GetTextContent();
- content = fast_atoreal_move<float>( content, pFloat);
- SkipSpacesAndLineEnd( &content);
+ while( mReader->read())
+ {
+ if( mReader->getNodeType() == irr::io::EXN_ELEMENT){
+ if( IsElement( "float"))
+ {
+ // text content contains a single floats
+ const char* content = GetTextContent();
+ content = fast_atoreal_move<float>( content, pFloat);
+ SkipSpacesAndLineEnd( &content);
- TestClosing( "float");
- } else
- {
- // ignore the rest
- SkipElement();
- }
- }
- else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END){
- break;
- }
- }
+ TestClosing( "float");
+ } else
+ {
+ // ignore the rest
+ SkipElement();
+ }
+ }
+ else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END){
+ break;
+ }
+ }
}
// ------------------------------------------------------------------------------------------------
-// Reads an effect parameter specification of any kind
+// Reads an effect parameter specification of any kind
void ColladaParser::ReadEffectParam( Collada::EffectParam& pParam)
{
- while( mReader->read())
- {
- if( mReader->getNodeType() == irr::io::EXN_ELEMENT) {
- if( IsElement( "surface"))
- {
- // image ID given inside <init_from> tags
- TestOpening( "init_from");
- const char* content = GetTextContent();
- pParam.mType = Param_Surface;
- pParam.mReference = content;
- TestClosing( "init_from");
-
- // don't care for remaining stuff
- SkipElement( "surface");
- }
- else if( IsElement( "sampler2D"))
- {
- // surface ID is given inside <source> tags
- TestOpening( "source");
- const char* content = GetTextContent();
- pParam.mType = Param_Sampler;
- pParam.mReference = content;
- TestClosing( "source");
-
- // don't care for remaining stuff
- SkipElement( "sampler2D");
- } else
- {
- // ignore unknown element
- SkipElement();
- }
- }
- else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) {
- break;
- }
- }
+ while( mReader->read())
+ {
+ if( mReader->getNodeType() == irr::io::EXN_ELEMENT) {
+ if( IsElement( "surface"))
+ {
+ // image ID given inside <init_from> tags
+ TestOpening( "init_from");
+ const char* content = GetTextContent();
+ pParam.mType = Param_Surface;
+ pParam.mReference = content;
+ TestClosing( "init_from");
+
+ // don't care for remaining stuff
+ SkipElement( "surface");
+ }
+ else if( IsElement( "sampler2D") && (FV_1_4_n == mFormat || FV_1_3_n == mFormat))
+ {
+ // surface ID is given inside <source> tags
+ TestOpening( "source");
+ const char* content = GetTextContent();
+ pParam.mType = Param_Sampler;
+ pParam.mReference = content;
+ TestClosing( "source");
+
+ // don't care for remaining stuff
+ SkipElement( "sampler2D");
+ }
+ else if( IsElement( "sampler2D"))
+ {
+ // surface ID is given inside <instance_image> tags
+ TestOpening( "instance_image");
+ int attrURL = GetAttribute("url");
+ const char* url = mReader->getAttributeValue( attrURL);
+ if( url[0] != '#')
+ ThrowException( "Unsupported URL format in instance_image");
+ url++;
+ pParam.mType = Param_Sampler;
+ pParam.mReference = url;
+ SkipElement( "sampler2D");
+ } else
+ {
+ // ignore unknown element
+ SkipElement();
+ }
+ }
+ else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) {
+ break;
+ }
+ }
}
// ------------------------------------------------------------------------------------------------
// Reads the geometry library contents
void ColladaParser::ReadGeometryLibrary()
{
- if( mReader->isEmptyElement())
- return;
+ if( mReader->isEmptyElement())
+ return;
+
+ while( mReader->read())
+ {
+ if( mReader->getNodeType() == irr::io::EXN_ELEMENT)
+ {
+ if( IsElement( "geometry"))
+ {
+ // read ID. Another entry which is "optional" by design but obligatory in reality
+ int indexID = GetAttribute( "id");
+ std::string id = mReader->getAttributeValue( indexID);
- while( mReader->read())
- {
- if( mReader->getNodeType() == irr::io::EXN_ELEMENT)
- {
- if( IsElement( "geometry"))
- {
- // read ID. Another entry which is "optional" by design but obligatory in reality
- int indexID = GetAttribute( "id");
- std::string id = mReader->getAttributeValue( indexID);
+ // TODO: (thom) support SIDs
+ // ai_assert( TestAttribute( "sid") == -1);
- // TODO: (thom) support SIDs
- // ai_assert( TestAttribute( "sid") == -1);
+ // create a mesh and store it in the library under its ID
+ Mesh* mesh = new Mesh;
+ mMeshLibrary[id] = mesh;
- // create a mesh and store it in the library under its ID
- Mesh* mesh = new Mesh;
- mMeshLibrary[id] = mesh;
-
// read the mesh name if it exists
const int nameIndex = TestAttribute("name");
if(nameIndex != -1)
@@ -1542,167 +1789,167 @@ void ColladaParser::ReadGeometryLibrary()
mesh->mName = mReader->getAttributeValue(nameIndex);
}
- // read on from there
- ReadGeometry( mesh);
- } else
- {
- // ignore the rest
- SkipElement();
- }
- }
- else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END)
- {
- if( strcmp( mReader->getNodeName(), "library_geometries") != 0)
- ThrowException( "Expected end of <library_geometries> element.");
-
- break;
- }
- }
+ // read on from there
+ ReadGeometry( mesh);
+ } else
+ {
+ // ignore the rest
+ SkipElement();
+ }
+ }
+ else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END)
+ {
+ if( strcmp( mReader->getNodeName(), "library_geometries") != 0)
+ ThrowException( "Expected end of <library_geometries> element.");
+
+ break;
+ }
+ }
}
// ------------------------------------------------------------------------------------------------
// Reads a geometry from the geometry library.
void ColladaParser::ReadGeometry( Collada::Mesh* pMesh)
{
- if( mReader->isEmptyElement())
- return;
-
- while( mReader->read())
- {
- if( mReader->getNodeType() == irr::io::EXN_ELEMENT)
- {
- if( IsElement( "mesh"))
- {
- // read on from there
- ReadMesh( pMesh);
- } else
- {
- // ignore the rest
- SkipElement();
- }
- }
- else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END)
- {
- if( strcmp( mReader->getNodeName(), "geometry") != 0)
- ThrowException( "Expected end of <geometry> element.");
-
- break;
- }
- }
+ if( mReader->isEmptyElement())
+ return;
+
+ while( mReader->read())
+ {
+ if( mReader->getNodeType() == irr::io::EXN_ELEMENT)
+ {
+ if( IsElement( "mesh"))
+ {
+ // read on from there
+ ReadMesh( pMesh);
+ } else
+ {
+ // ignore the rest
+ SkipElement();
+ }
+ }
+ else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END)
+ {
+ if( strcmp( mReader->getNodeName(), "geometry") != 0)
+ ThrowException( "Expected end of <geometry> element.");
+
+ break;
+ }
+ }
}
// ------------------------------------------------------------------------------------------------
// Reads a mesh from the geometry library
void ColladaParser::ReadMesh( Mesh* pMesh)
{
- if( mReader->isEmptyElement())
- return;
-
- while( mReader->read())
- {
- if( mReader->getNodeType() == irr::io::EXN_ELEMENT)
- {
- if( IsElement( "source"))
- {
- // we have professionals dealing with this
- ReadSource();
- }
- else if( IsElement( "vertices"))
- {
- // read per-vertex mesh data
- ReadVertexData( pMesh);
- }
- else if( IsElement( "triangles") || IsElement( "lines") || IsElement( "linestrips")
- || IsElement( "polygons") || IsElement( "polylist") || IsElement( "trifans") || IsElement( "tristrips"))
- {
- // read per-index mesh data and faces setup
- ReadIndexData( pMesh);
- } else
- {
- // ignore the rest
- SkipElement();
- }
- }
- else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END)
- {
- if( strcmp( mReader->getNodeName(), "technique_common") == 0)
- {
- // end of another meaningless element - read over it
- }
- else if( strcmp( mReader->getNodeName(), "mesh") == 0)
- {
- // end of <mesh> element - we're done here
- break;
- } else
- {
- // everything else should be punished
- ThrowException( "Expected end of <mesh> element.");
- }
- }
- }
+ if( mReader->isEmptyElement())
+ return;
+
+ while( mReader->read())
+ {
+ if( mReader->getNodeType() == irr::io::EXN_ELEMENT)
+ {
+ if( IsElement( "source"))
+ {
+ // we have professionals dealing with this
+ ReadSource();
+ }
+ else if( IsElement( "vertices"))
+ {
+ // read per-vertex mesh data
+ ReadVertexData( pMesh);
+ }
+ else if( IsElement( "triangles") || IsElement( "lines") || IsElement( "linestrips")
+ || IsElement( "polygons") || IsElement( "polylist") || IsElement( "trifans") || IsElement( "tristrips"))
+ {
+ // read per-index mesh data and faces setup
+ ReadIndexData( pMesh);
+ } else
+ {
+ // ignore the rest
+ SkipElement();
+ }
+ }
+ else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END)
+ {
+ if( strcmp( mReader->getNodeName(), "technique_common") == 0)
+ {
+ // end of another meaningless element - read over it
+ }
+ else if( strcmp( mReader->getNodeName(), "mesh") == 0)
+ {
+ // end of <mesh> element - we're done here
+ break;
+ } else
+ {
+ // everything else should be punished
+ ThrowException( "Expected end of <mesh> element.");
+ }
+ }
+ }
}
// ------------------------------------------------------------------------------------------------
-// Reads a source element
+// Reads a source element
void ColladaParser::ReadSource()
{
- int indexID = GetAttribute( "id");
- std::string sourceID = mReader->getAttributeValue( indexID);
-
- while( mReader->read())
- {
- if( mReader->getNodeType() == irr::io::EXN_ELEMENT)
- {
- if( IsElement( "float_array") || IsElement( "IDREF_array") || IsElement( "Name_array"))
- {
- ReadDataArray();
- }
- else if( IsElement( "technique_common"))
- {
- // I don't care for your profiles
- }
- else if( IsElement( "accessor"))
- {
- ReadAccessor( sourceID);
- } else
- {
- // ignore the rest
- SkipElement();
- }
- }
- else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END)
- {
- if( strcmp( mReader->getNodeName(), "source") == 0)
- {
- // end of <source> - we're done
- break;
- }
- else if( strcmp( mReader->getNodeName(), "technique_common") == 0)
- {
- // end of another meaningless element - read over it
- } else
- {
- // everything else should be punished
- ThrowException( "Expected end of <source> element.");
- }
- }
- }
+ int indexID = GetAttribute( "id");
+ std::string sourceID = mReader->getAttributeValue( indexID);
+
+ while( mReader->read())
+ {
+ if( mReader->getNodeType() == irr::io::EXN_ELEMENT)
+ {
+ if( IsElement( "float_array") || IsElement( "IDREF_array") || IsElement( "Name_array"))
+ {
+ ReadDataArray();
+ }
+ else if( IsElement( "technique_common"))
+ {
+ // I don't care for your profiles
+ }
+ else if( IsElement( "accessor"))
+ {
+ ReadAccessor( sourceID);
+ } else
+ {
+ // ignore the rest
+ SkipElement();
+ }
+ }
+ else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END)
+ {
+ if( strcmp( mReader->getNodeName(), "source") == 0)
+ {
+ // end of <source> - we're done
+ break;
+ }
+ else if( strcmp( mReader->getNodeName(), "technique_common") == 0)
+ {
+ // end of another meaningless element - read over it
+ } else
+ {
+ // everything else should be punished
+ ThrowException( "Expected end of <source> element.");
+ }
+ }
+ }
}
// ------------------------------------------------------------------------------------------------
// Reads a data array holding a number of floats, and stores it in the global library
void ColladaParser::ReadDataArray()
{
- std::string elmName = mReader->getNodeName();
- bool isStringArray = (elmName == "IDREF_array" || elmName == "Name_array");
+ std::string elmName = mReader->getNodeName();
+ bool isStringArray = (elmName == "IDREF_array" || elmName == "Name_array");
bool isEmptyElement = mReader->isEmptyElement();
- // read attributes
- int indexID = GetAttribute( "id");
- std::string id = mReader->getAttributeValue( indexID);
- int indexCount = GetAttribute( "count");
- unsigned int count = (unsigned int) mReader->getAttributeValueAsInt( indexCount);
- const char* content = TestTextContent();
+ // read attributes
+ int indexID = GetAttribute( "id");
+ std::string id = mReader->getAttributeValue( indexID);
+ int indexCount = GetAttribute( "count");
+ unsigned int count = (unsigned int) mReader->getAttributeValueAsInt( indexCount);
+ const char* content = TestTextContent();
// read values and store inside an array in the data library
mDataLibrary[id] = Data();
@@ -1710,43 +1957,43 @@ void ColladaParser::ReadDataArray()
data.mIsStringArray = isStringArray;
// some exporters write empty data arrays, but we need to conserve them anyways because others might reference them
- if (content)
- {
- if( isStringArray)
- {
- data.mStrings.reserve( count);
- std::string s;
+ if (content)
+ {
+ if( isStringArray)
+ {
+ data.mStrings.reserve( count);
+ std::string s;
- for( unsigned int a = 0; a < count; a++)
- {
- if( *content == 0)
- ThrowException( "Expected more values while reading IDREF_array contents.");
+ for( unsigned int a = 0; a < count; a++)
+ {
+ if( *content == 0)
+ ThrowException( "Expected more values while reading IDREF_array contents.");
- s.clear();
- while( !IsSpaceOrNewLine( *content))
- s += *content++;
- data.mStrings.push_back( s);
+ s.clear();
+ while( !IsSpaceOrNewLine( *content))
+ s += *content++;
+ data.mStrings.push_back( s);
- SkipSpacesAndLineEnd( &content);
- }
- } else
- {
- data.mValues.reserve( count);
+ SkipSpacesAndLineEnd( &content);
+ }
+ } else
+ {
+ data.mValues.reserve( count);
- for( unsigned int a = 0; a < count; a++)
- {
- if( *content == 0)
- ThrowException( "Expected more values while reading float_array contents.");
-
- float value;
- // read a number
- content = fast_atoreal_move<float>( content, value);
- data.mValues.push_back( value);
- // skip whitespace after it
- SkipSpacesAndLineEnd( &content);
- }
- }
- }
+ for( unsigned int a = 0; a < count; a++)
+ {
+ if( *content == 0)
+ ThrowException( "Expected more values while reading float_array contents.");
+
+ float value;
+ // read a number
+ content = fast_atoreal_move<float>( content, value);
+ data.mValues.push_back( value);
+ // skip whitespace after it
+ SkipSpacesAndLineEnd( &content);
+ }
+ }
+ }
// test for closing tag
if( !isEmptyElement )
@@ -1757,1037 +2004,1102 @@ void ColladaParser::ReadDataArray()
// Reads an accessor and stores it in the global library
void ColladaParser::ReadAccessor( const std::string& pID)
{
- // read accessor attributes
- int attrSource = GetAttribute( "source");
- const char* source = mReader->getAttributeValue( attrSource);
- if( source[0] != '#')
- ThrowException( boost::str( boost::format( "Unknown reference format in url \"%s\" in source attribute of <accessor> element.") % source));
- int attrCount = GetAttribute( "count");
- unsigned int count = (unsigned int) mReader->getAttributeValueAsInt( attrCount);
- int attrOffset = TestAttribute( "offset");
- unsigned int offset = 0;
- if( attrOffset > -1)
- offset = (unsigned int) mReader->getAttributeValueAsInt( attrOffset);
- int attrStride = TestAttribute( "stride");
- unsigned int stride = 1;
- if( attrStride > -1)
- stride = (unsigned int) mReader->getAttributeValueAsInt( attrStride);
-
- // store in the library under the given ID
- mAccessorLibrary[pID] = Accessor();
- Accessor& acc = mAccessorLibrary[pID];
- acc.mCount = count;
- acc.mOffset = offset;
- acc.mStride = stride;
- acc.mSource = source+1; // ignore the leading '#'
- acc.mSize = 0; // gets incremented with every param
-
- // and read the components
- while( mReader->read())
- {
- if( mReader->getNodeType() == irr::io::EXN_ELEMENT)
- {
- if( IsElement( "param"))
- {
- // read data param
- int attrName = TestAttribute( "name");
- std::string name;
- if( attrName > -1)
- {
- name = mReader->getAttributeValue( attrName);
-
- // analyse for common type components and store it's sub-offset in the corresponding field
-
- /* Cartesian coordinates */
- if( name == "X") acc.mSubOffset[0] = acc.mParams.size();
- else if( name == "Y") acc.mSubOffset[1] = acc.mParams.size();
- else if( name == "Z") acc.mSubOffset[2] = acc.mParams.size();
-
- /* RGBA colors */
- else if( name == "R") acc.mSubOffset[0] = acc.mParams.size();
- else if( name == "G") acc.mSubOffset[1] = acc.mParams.size();
- else if( name == "B") acc.mSubOffset[2] = acc.mParams.size();
- else if( name == "A") acc.mSubOffset[3] = acc.mParams.size();
-
- /* UVWQ (STPQ) texture coordinates */
- else if( name == "S") acc.mSubOffset[0] = acc.mParams.size();
- else if( name == "T") acc.mSubOffset[1] = acc.mParams.size();
- else if( name == "P") acc.mSubOffset[2] = acc.mParams.size();
- // else if( name == "Q") acc.mSubOffset[3] = acc.mParams.size();
- /* 4D uv coordinates are not supported in Assimp */
-
- /* Generic extra data, interpreted as UV data, too*/
- else if( name == "U") acc.mSubOffset[0] = acc.mParams.size();
- else if( name == "V") acc.mSubOffset[1] = acc.mParams.size();
- //else
- // DefaultLogger::get()->warn( boost::str( boost::format( "Unknown accessor parameter \"%s\". Ignoring data channel.") % name));
- }
+ // read accessor attributes
+ int attrSource = GetAttribute( "source");
+ const char* source = mReader->getAttributeValue( attrSource);
+ if( source[0] != '#')
+ ThrowException( format() << "Unknown reference format in url \"" << source << "\" in source attribute of <accessor> element." );
+ int attrCount = GetAttribute( "count");
+ unsigned int count = (unsigned int) mReader->getAttributeValueAsInt( attrCount);
+ int attrOffset = TestAttribute( "offset");
+ unsigned int offset = 0;
+ if( attrOffset > -1)
+ offset = (unsigned int) mReader->getAttributeValueAsInt( attrOffset);
+ int attrStride = TestAttribute( "stride");
+ unsigned int stride = 1;
+ if( attrStride > -1)
+ stride = (unsigned int) mReader->getAttributeValueAsInt( attrStride);
+
+ // store in the library under the given ID
+ mAccessorLibrary[pID] = Accessor();
+ Accessor& acc = mAccessorLibrary[pID];
+ acc.mCount = count;
+ acc.mOffset = offset;
+ acc.mStride = stride;
+ acc.mSource = source+1; // ignore the leading '#'
+ acc.mSize = 0; // gets incremented with every param
+
+ // and read the components
+ while( mReader->read())
+ {
+ if( mReader->getNodeType() == irr::io::EXN_ELEMENT)
+ {
+ if( IsElement( "param"))
+ {
+ // read data param
+ int attrName = TestAttribute( "name");
+ std::string name;
+ if( attrName > -1)
+ {
+ name = mReader->getAttributeValue( attrName);
+
+ // analyse for common type components and store it's sub-offset in the corresponding field
+
+ /* Cartesian coordinates */
+ if( name == "X") acc.mSubOffset[0] = acc.mParams.size();
+ else if( name == "Y") acc.mSubOffset[1] = acc.mParams.size();
+ else if( name == "Z") acc.mSubOffset[2] = acc.mParams.size();
+
+ /* RGBA colors */
+ else if( name == "R") acc.mSubOffset[0] = acc.mParams.size();
+ else if( name == "G") acc.mSubOffset[1] = acc.mParams.size();
+ else if( name == "B") acc.mSubOffset[2] = acc.mParams.size();
+ else if( name == "A") acc.mSubOffset[3] = acc.mParams.size();
+
+ /* UVWQ (STPQ) texture coordinates */
+ else if( name == "S") acc.mSubOffset[0] = acc.mParams.size();
+ else if( name == "T") acc.mSubOffset[1] = acc.mParams.size();
+ else if( name == "P") acc.mSubOffset[2] = acc.mParams.size();
+ // else if( name == "Q") acc.mSubOffset[3] = acc.mParams.size();
+ /* 4D uv coordinates are not supported in Assimp */
+
+ /* Generic extra data, interpreted as UV data, too*/
+ else if( name == "U") acc.mSubOffset[0] = acc.mParams.size();
+ else if( name == "V") acc.mSubOffset[1] = acc.mParams.size();
+ //else
+ // DefaultLogger::get()->warn( format() << "Unknown accessor parameter \"" << name << "\". Ignoring data channel." );
+ }
- // read data type
- int attrType = TestAttribute( "type");
- if( attrType > -1)
- {
- // for the moment we only distinguish between a 4x4 matrix and anything else.
- // TODO: (thom) I don't have a spec here at work. Check if there are other multi-value types
- // which should be tested for here.
- std::string type = mReader->getAttributeValue( attrType);
- if( type == "float4x4")
- acc.mSize += 16;
- else
- acc.mSize += 1;
- }
+ // read data type
+ int attrType = TestAttribute( "type");
+ if( attrType > -1)
+ {
+ // for the moment we only distinguish between a 4x4 matrix and anything else.
+ // TODO: (thom) I don't have a spec here at work. Check if there are other multi-value types
+ // which should be tested for here.
+ std::string type = mReader->getAttributeValue( attrType);
+ if( type == "float4x4")
+ acc.mSize += 16;
+ else
+ acc.mSize += 1;
+ }
- acc.mParams.push_back( name);
+ acc.mParams.push_back( name);
- // skip remaining stuff of this element, if any
- SkipElement();
- } else
- {
- ThrowException( boost::str( boost::format( "Unexpected sub element <%s> in tag <accessor>") % mReader->getNodeName()));
- }
- }
- else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END)
- {
- if( strcmp( mReader->getNodeName(), "accessor") != 0)
- ThrowException( "Expected end of <accessor> element.");
- break;
- }
- }
+ // skip remaining stuff of this element, if any
+ SkipElement();
+ } else
+ {
+ ThrowException( format() << "Unexpected sub element <" << mReader->getNodeName() << "> in tag <accessor>" );
+ }
+ }
+ else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END)
+ {
+ if( strcmp( mReader->getNodeName(), "accessor") != 0)
+ ThrowException( "Expected end of <accessor> element.");
+ break;
+ }
+ }
}
// ------------------------------------------------------------------------------------------------
// Reads input declarations of per-vertex mesh data into the given mesh
void ColladaParser::ReadVertexData( Mesh* pMesh)
{
- // extract the ID of the <vertices> element. Not that we care, but to catch strange referencing schemes we should warn about
- int attrID= GetAttribute( "id");
- pMesh->mVertexID = mReader->getAttributeValue( attrID);
-
- // a number of <input> elements
- while( mReader->read())
- {
- if( mReader->getNodeType() == irr::io::EXN_ELEMENT)
- {
- if( IsElement( "input"))
- {
- ReadInputChannel( pMesh->mPerVertexData);
- } else
- {
- ThrowException( boost::str( boost::format( "Unexpected sub element <%s> in tag <vertices>") % mReader->getNodeName()));
- }
- }
- else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END)
- {
- if( strcmp( mReader->getNodeName(), "vertices") != 0)
- ThrowException( "Expected end of <vertices> element.");
-
- break;
- }
- }
+ // extract the ID of the <vertices> element. Not that we care, but to catch strange referencing schemes we should warn about
+ int attrID= GetAttribute( "id");
+ pMesh->mVertexID = mReader->getAttributeValue( attrID);
+
+ // a number of <input> elements
+ while( mReader->read())
+ {
+ if( mReader->getNodeType() == irr::io::EXN_ELEMENT)
+ {
+ if( IsElement( "input"))
+ {
+ ReadInputChannel( pMesh->mPerVertexData);
+ } else
+ {
+ ThrowException( format() << "Unexpected sub element <" << mReader->getNodeName() << "> in tag <vertices>" );
+ }
+ }
+ else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END)
+ {
+ if( strcmp( mReader->getNodeName(), "vertices") != 0)
+ ThrowException( "Expected end of <vertices> element.");
+
+ break;
+ }
+ }
}
// ------------------------------------------------------------------------------------------------
// Reads input declarations of per-index mesh data into the given mesh
void ColladaParser::ReadIndexData( Mesh* pMesh)
{
- std::vector<size_t> vcount;
- std::vector<InputChannel> perIndexData;
-
- // read primitive count from the attribute
- int attrCount = GetAttribute( "count");
- size_t numPrimitives = (size_t) mReader->getAttributeValueAsInt( attrCount);
-
- // material subgroup
- int attrMaterial = TestAttribute( "material");
- SubMesh subgroup;
- if( attrMaterial > -1)
- subgroup.mMaterial = mReader->getAttributeValue( attrMaterial);
- subgroup.mNumFaces = numPrimitives;
- pMesh->mSubMeshes.push_back( subgroup);
-
- // distinguish between polys and triangles
- std::string elementName = mReader->getNodeName();
- PrimitiveType primType = Prim_Invalid;
- if( IsElement( "lines"))
- primType = Prim_Lines;
- else if( IsElement( "linestrips"))
- primType = Prim_LineStrip;
- else if( IsElement( "polygons"))
- primType = Prim_Polygon;
- else if( IsElement( "polylist"))
- primType = Prim_Polylist;
- else if( IsElement( "triangles"))
- primType = Prim_Triangles;
- else if( IsElement( "trifans"))
- primType = Prim_TriFans;
- else if( IsElement( "tristrips"))
- primType = Prim_TriStrips;
-
- ai_assert( primType != Prim_Invalid);
-
- // also a number of <input> elements, but in addition a <p> primitive collection and propably index counts for all primitives
- while( mReader->read())
- {
- if( mReader->getNodeType() == irr::io::EXN_ELEMENT)
- {
- if( IsElement( "input"))
- {
- ReadInputChannel( perIndexData);
- }
- else if( IsElement( "vcount"))
- {
- if( !mReader->isEmptyElement())
- {
- if (numPrimitives) // It is possible to define a mesh without any primitives
- {
- // case <polylist> - specifies the number of indices for each polygon
- const char* content = GetTextContent();
- vcount.reserve( numPrimitives);
- for( unsigned int a = 0; a < numPrimitives; a++)
- {
- if( *content == 0)
- ThrowException( "Expected more values while reading <vcount> contents.");
- // read a number
- vcount.push_back( (size_t) strtoul10( content, &content));
- // skip whitespace after it
- SkipSpacesAndLineEnd( &content);
- }
- }
-
- TestClosing( "vcount");
- }
- }
- else if( IsElement( "p"))
- {
- if( !mReader->isEmptyElement())
- {
- // now here the actual fun starts - these are the indices to construct the mesh data from
- ReadPrimitives( pMesh, perIndexData, numPrimitives, vcount, primType);
- }
- } else
- {
- ThrowException( boost::str( boost::format( "Unexpected sub element <%s> in tag <%s>") % mReader->getNodeName() % elementName));
- }
- }
- else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END)
- {
- if( mReader->getNodeName() != elementName)
- ThrowException( boost::str( boost::format( "Expected end of <%s> element.") % elementName));
+ std::vector<size_t> vcount;
+ std::vector<InputChannel> perIndexData;
+
+ // read primitive count from the attribute
+ int attrCount = GetAttribute( "count");
+ size_t numPrimitives = (size_t) mReader->getAttributeValueAsInt( attrCount);
+ // some mesh types (e.g. tristrips) don't specify primitive count upfront,
+ // so we need to sum up the actual number of primitives while we read the <p>-tags
+ size_t actualPrimitives = 0;
+
+ // material subgroup
+ int attrMaterial = TestAttribute( "material");
+ SubMesh subgroup;
+ if( attrMaterial > -1)
+ subgroup.mMaterial = mReader->getAttributeValue( attrMaterial);
+
+ // distinguish between polys and triangles
+ std::string elementName = mReader->getNodeName();
+ PrimitiveType primType = Prim_Invalid;
+ if( IsElement( "lines"))
+ primType = Prim_Lines;
+ else if( IsElement( "linestrips"))
+ primType = Prim_LineStrip;
+ else if( IsElement( "polygons"))
+ primType = Prim_Polygon;
+ else if( IsElement( "polylist"))
+ primType = Prim_Polylist;
+ else if( IsElement( "triangles"))
+ primType = Prim_Triangles;
+ else if( IsElement( "trifans"))
+ primType = Prim_TriFans;
+ else if( IsElement( "tristrips"))
+ primType = Prim_TriStrips;
+
+ ai_assert( primType != Prim_Invalid);
+
+ // also a number of <input> elements, but in addition a <p> primitive collection and probably index counts for all primitives
+ while( mReader->read())
+ {
+ if( mReader->getNodeType() == irr::io::EXN_ELEMENT)
+ {
+ if( IsElement( "input"))
+ {
+ ReadInputChannel( perIndexData);
+ }
+ else if( IsElement( "vcount"))
+ {
+ if( !mReader->isEmptyElement())
+ {
+ if (numPrimitives) // It is possible to define a mesh without any primitives
+ {
+ // case <polylist> - specifies the number of indices for each polygon
+ const char* content = GetTextContent();
+ vcount.reserve( numPrimitives);
+ for( unsigned int a = 0; a < numPrimitives; a++)
+ {
+ if( *content == 0)
+ ThrowException( "Expected more values while reading <vcount> contents.");
+ // read a number
+ vcount.push_back( (size_t) strtoul10( content, &content));
+ // skip whitespace after it
+ SkipSpacesAndLineEnd( &content);
+ }
+ }
- break;
- }
- }
+ TestClosing( "vcount");
+ }
+ }
+ else if( IsElement( "p"))
+ {
+ if( !mReader->isEmptyElement())
+ {
+ // now here the actual fun starts - these are the indices to construct the mesh data from
+ actualPrimitives += ReadPrimitives(pMesh, perIndexData, numPrimitives, vcount, primType);
+ }
+ }
+ else if (IsElement("extra"))
+ {
+ SkipElement("extra");
+ } else
+ {
+ ThrowException( format() << "Unexpected sub element <" << mReader->getNodeName() << "> in tag <" << elementName << ">" );
+ }
+ }
+ else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END)
+ {
+ if( mReader->getNodeName() != elementName)
+ ThrowException( format() << "Expected end of <" << elementName << "> element." );
+
+ break;
+ }
+ }
+
+#ifdef ASSIMP_BUILD_DEBUG
+ if (primType != Prim_TriFans && primType != Prim_TriStrips &&
+ primType != Prim_Lines) { // this is ONLY to workaround a bug in SketchUp 15.3.331 where it writes the wrong 'count' when it writes out the 'lines'.
+ ai_assert(actualPrimitives == numPrimitives);
+ }
+#endif
+
+ // only when we're done reading all <p> tags (and thus know the final vertex count) can we commit the submesh
+ subgroup.mNumFaces = actualPrimitives;
+ pMesh->mSubMeshes.push_back(subgroup);
}
// ------------------------------------------------------------------------------------------------
-// Reads a single input channel element and stores it in the given array, if valid
+// Reads a single input channel element and stores it in the given array, if valid
void ColladaParser::ReadInputChannel( std::vector<InputChannel>& poChannels)
{
- InputChannel channel;
-
- // read semantic
- int attrSemantic = GetAttribute( "semantic");
- std::string semantic = mReader->getAttributeValue( attrSemantic);
- channel.mType = GetTypeForSemantic( semantic);
-
- // read source
- int attrSource = GetAttribute( "source");
- const char* source = mReader->getAttributeValue( attrSource);
- if( source[0] != '#')
- ThrowException( boost::str( boost::format( "Unknown reference format in url \"%s\" in source attribute of <input> element.") % source));
- channel.mAccessor = source+1; // skipping the leading #, hopefully the remaining text is the accessor ID only
-
- // read index offset, if per-index <input>
- int attrOffset = TestAttribute( "offset");
- if( attrOffset > -1)
- channel.mOffset = mReader->getAttributeValueAsInt( attrOffset);
-
- // read set if texture coordinates
- if(channel.mType == IT_Texcoord || channel.mType == IT_Color){
- int attrSet = TestAttribute("set");
- if(attrSet > -1){
- attrSet = mReader->getAttributeValueAsInt( attrSet);
- if(attrSet < 0)
- ThrowException( boost::str( boost::format( "Invalid index \"%i\" in set attribute of <input> element") % (attrSet)));
-
- channel.mIndex = attrSet;
- }
- }
-
- // store, if valid type
- if( channel.mType != IT_Invalid)
- poChannels.push_back( channel);
-
- // skip remaining stuff of this element, if any
- SkipElement();
+ InputChannel channel;
+
+ // read semantic
+ int attrSemantic = GetAttribute( "semantic");
+ std::string semantic = mReader->getAttributeValue( attrSemantic);
+ channel.mType = GetTypeForSemantic( semantic);
+
+ // read source
+ int attrSource = GetAttribute( "source");
+ const char* source = mReader->getAttributeValue( attrSource);
+ if( source[0] != '#')
+ ThrowException( format() << "Unknown reference format in url \"" << source << "\" in source attribute of <input> element." );
+ channel.mAccessor = source+1; // skipping the leading #, hopefully the remaining text is the accessor ID only
+
+ // read index offset, if per-index <input>
+ int attrOffset = TestAttribute( "offset");
+ if( attrOffset > -1)
+ channel.mOffset = mReader->getAttributeValueAsInt( attrOffset);
+
+ // read set if texture coordinates
+ if(channel.mType == IT_Texcoord || channel.mType == IT_Color){
+ int attrSet = TestAttribute("set");
+ if(attrSet > -1){
+ attrSet = mReader->getAttributeValueAsInt( attrSet);
+ if(attrSet < 0)
+ ThrowException( format() << "Invalid index \"" << (attrSet) << "\" in set attribute of <input> element" );
+
+ channel.mIndex = attrSet;
+ }
+ }
+
+ // store, if valid type
+ if( channel.mType != IT_Invalid)
+ poChannels.push_back( channel);
+
+ // skip remaining stuff of this element, if any
+ SkipElement();
}
// ------------------------------------------------------------------------------------------------
// Reads a <p> primitive index list and assembles the mesh data into the given mesh
-void ColladaParser::ReadPrimitives( Mesh* pMesh, std::vector<InputChannel>& pPerIndexChannels,
- size_t pNumPrimitives, const std::vector<size_t>& pVCount, PrimitiveType pPrimType)
+size_t ColladaParser::ReadPrimitives( Mesh* pMesh, std::vector<InputChannel>& pPerIndexChannels,
+ size_t pNumPrimitives, const std::vector<size_t>& pVCount, PrimitiveType pPrimType)
{
- // determine number of indices coming per vertex
- // find the offset index for all per-vertex channels
- size_t numOffsets = 1;
- size_t perVertexOffset = SIZE_MAX; // invalid value
- BOOST_FOREACH( const InputChannel& channel, pPerIndexChannels)
- {
- numOffsets = std::max( numOffsets, channel.mOffset+1);
- if( channel.mType == IT_Vertex)
- perVertexOffset = channel.mOffset;
- }
-
- // determine the expected number of indices
- size_t expectedPointCount = 0;
- switch( pPrimType)
- {
- case Prim_Polylist:
- {
- BOOST_FOREACH( size_t i, pVCount)
- expectedPointCount += i;
- break;
- }
- case Prim_Lines:
- expectedPointCount = 2 * pNumPrimitives;
- break;
- case Prim_Triangles:
- expectedPointCount = 3 * pNumPrimitives;
- break;
- default:
- // other primitive types don't state the index count upfront... we need to guess
- break;
- }
-
- // and read all indices into a temporary array
- std::vector<size_t> indices;
- if( expectedPointCount > 0)
- indices.reserve( expectedPointCount * numOffsets);
-
- if (pNumPrimitives > 0) // It is possible to not contain any indicies
- {
- const char* content = GetTextContent();
- while( *content != 0)
- {
- // read a value.
- // Hack: (thom) Some exporters put negative indices sometimes. We just try to carry on anyways.
- int value = std::max( 0, strtol10( content, &content));
- indices.push_back( size_t( value));
- // skip whitespace after it
- SkipSpacesAndLineEnd( &content);
- }
- }
-
- // complain if the index count doesn't fit
- if( expectedPointCount > 0 && indices.size() != expectedPointCount * numOffsets)
- ThrowException( "Expected different index count in <p> element.");
- else if( expectedPointCount == 0 && (indices.size() % numOffsets) != 0)
+ // determine number of indices coming per vertex
+ // find the offset index for all per-vertex channels
+ size_t numOffsets = 1;
+ size_t perVertexOffset = SIZE_MAX; // invalid value
+ for( const InputChannel& channel : pPerIndexChannels)
+ {
+ numOffsets = std::max( numOffsets, channel.mOffset+1);
+ if( channel.mType == IT_Vertex)
+ perVertexOffset = channel.mOffset;
+ }
+
+ // determine the expected number of indices
+ size_t expectedPointCount = 0;
+ switch( pPrimType)
+ {
+ case Prim_Polylist:
+ {
+ for( size_t i : pVCount)
+ expectedPointCount += i;
+ break;
+ }
+ case Prim_Lines:
+ expectedPointCount = 2 * pNumPrimitives;
+ break;
+ case Prim_Triangles:
+ expectedPointCount = 3 * pNumPrimitives;
+ break;
+ default:
+ // other primitive types don't state the index count upfront... we need to guess
+ break;
+ }
+
+ // and read all indices into a temporary array
+ std::vector<size_t> indices;
+ if( expectedPointCount > 0)
+ indices.reserve( expectedPointCount * numOffsets);
+
+ if (pNumPrimitives > 0) // It is possible to not contain any indices
+ {
+ const char* content = GetTextContent();
+ while( *content != 0)
+ {
+ // read a value.
+ // Hack: (thom) Some exporters put negative indices sometimes. We just try to carry on anyways.
+ int value = std::max( 0, strtol10( content, &content));
+ indices.push_back( size_t( value));
+ // skip whitespace after it
+ SkipSpacesAndLineEnd( &content);
+ }
+ }
+
+ // complain if the index count doesn't fit
+ if( expectedPointCount > 0 && indices.size() != expectedPointCount * numOffsets) {
+ if (pPrimType == Prim_Lines) {
+ // HACK: We just fix this number since SketchUp 15.3.331 writes the wrong 'count' for 'lines'
+ ReportWarning( "Expected different index count in <p> element, %d instead of %d.", indices.size(), expectedPointCount * numOffsets);
+ pNumPrimitives = (indices.size() / numOffsets) / 2;
+ } else
+ ThrowException( "Expected different index count in <p> element.");
+
+ } else if( expectedPointCount == 0 && (indices.size() % numOffsets) != 0)
ThrowException( "Expected different index count in <p> element.");
- // find the data for all sources
+ // find the data for all sources
for( std::vector<InputChannel>::iterator it = pMesh->mPerVertexData.begin(); it != pMesh->mPerVertexData.end(); ++it)
- {
+ {
InputChannel& input = *it;
- if( input.mResolved)
- continue;
-
- // find accessor
- input.mResolved = &ResolveLibraryReference( mAccessorLibrary, input.mAccessor);
- // resolve accessor's data pointer as well, if neccessary
- const Accessor* acc = input.mResolved;
- if( !acc->mData)
- acc->mData = &ResolveLibraryReference( mDataLibrary, acc->mSource);
- }
- // and the same for the per-index channels
+ if( input.mResolved)
+ continue;
+
+ // find accessor
+ input.mResolved = &ResolveLibraryReference( mAccessorLibrary, input.mAccessor);
+ // resolve accessor's data pointer as well, if necessary
+ const Accessor* acc = input.mResolved;
+ if( !acc->mData)
+ acc->mData = &ResolveLibraryReference( mDataLibrary, acc->mSource);
+ }
+ // and the same for the per-index channels
for( std::vector<InputChannel>::iterator it = pPerIndexChannels.begin(); it != pPerIndexChannels.end(); ++it)
{
InputChannel& input = *it;
- if( input.mResolved)
- continue;
-
- // ignore vertex pointer, it doesn't refer to an accessor
- if( input.mType == IT_Vertex)
- {
- // warn if the vertex channel does not refer to the <vertices> element in the same mesh
- if( input.mAccessor != pMesh->mVertexID)
- ThrowException( "Unsupported vertex referencing scheme.");
- continue;
- }
-
- // find accessor
- input.mResolved = &ResolveLibraryReference( mAccessorLibrary, input.mAccessor);
- // resolve accessor's data pointer as well, if neccessary
- const Accessor* acc = input.mResolved;
- if( !acc->mData)
- acc->mData = &ResolveLibraryReference( mDataLibrary, acc->mSource);
- }
-
-
- // now assemble vertex data according to those indices
- std::vector<size_t>::const_iterator idx = indices.begin();
-
- // For continued primitives, the given count does not come all in one <p>, but only one primitive per <p>
- size_t numPrimitives = pNumPrimitives;
- if( pPrimType == Prim_TriFans || pPrimType == Prim_Polygon)
- numPrimitives = 1;
+ if( input.mResolved)
+ continue;
+
+ // ignore vertex pointer, it doesn't refer to an accessor
+ if( input.mType == IT_Vertex)
+ {
+ // warn if the vertex channel does not refer to the <vertices> element in the same mesh
+ if( input.mAccessor != pMesh->mVertexID)
+ ThrowException( "Unsupported vertex referencing scheme.");
+ continue;
+ }
+
+ // find accessor
+ input.mResolved = &ResolveLibraryReference( mAccessorLibrary, input.mAccessor);
+ // resolve accessor's data pointer as well, if necessary
+ const Accessor* acc = input.mResolved;
+ if( !acc->mData)
+ acc->mData = &ResolveLibraryReference( mDataLibrary, acc->mSource);
+ }
+
+ // For continued primitives, the given count does not come all in one <p>, but only one primitive per <p>
+ size_t numPrimitives = pNumPrimitives;
+ if( pPrimType == Prim_TriFans || pPrimType == Prim_Polygon)
+ numPrimitives = 1;
+ // For continued primitives, the given count is actually the number of <p>'s inside the parent tag
+ if ( pPrimType == Prim_TriStrips){
+ size_t numberOfVertices = indices.size() / numOffsets;
+ numPrimitives = numberOfVertices - 2;
+ }
+
+ pMesh->mFaceSize.reserve( numPrimitives);
+ pMesh->mFacePosIndices.reserve( indices.size() / numOffsets);
+
+ size_t polylistStartVertex = 0;
+ for (size_t currentPrimitive = 0; currentPrimitive < numPrimitives; currentPrimitive++)
+ {
+ // determine number of points for this primitive
+ size_t numPoints = 0;
+ switch( pPrimType)
+ {
+ case Prim_Lines:
+ numPoints = 2;
+ for (size_t currentVertex = 0; currentVertex < numPoints; currentVertex++)
+ CopyVertex(currentVertex, numOffsets, numPoints, perVertexOffset, pMesh, pPerIndexChannels, currentPrimitive, indices);
+ break;
+ case Prim_Triangles:
+ numPoints = 3;
+ for (size_t currentVertex = 0; currentVertex < numPoints; currentVertex++)
+ CopyVertex(currentVertex, numOffsets, numPoints, perVertexOffset, pMesh, pPerIndexChannels, currentPrimitive, indices);
+ break;
+ case Prim_TriStrips:
+ numPoints = 3;
+ ReadPrimTriStrips(numOffsets, perVertexOffset, pMesh, pPerIndexChannels, currentPrimitive, indices);
+ break;
+ case Prim_Polylist:
+ numPoints = pVCount[currentPrimitive];
+ for (size_t currentVertex = 0; currentVertex < numPoints; currentVertex++)
+ CopyVertex(polylistStartVertex + currentVertex, numOffsets, 1, perVertexOffset, pMesh, pPerIndexChannels, 0, indices);
+ polylistStartVertex += numPoints;
+ break;
+ case Prim_TriFans:
+ case Prim_Polygon:
+ numPoints = indices.size() / numOffsets;
+ for (size_t currentVertex = 0; currentVertex < numPoints; currentVertex++)
+ CopyVertex(currentVertex, numOffsets, numPoints, perVertexOffset, pMesh, pPerIndexChannels, currentPrimitive, indices);
+ break;
+ default:
+ // LineStrip is not supported due to expected index unmangling
+ ThrowException( "Unsupported primitive type.");
+ break;
+ }
+
+ // store the face size to later reconstruct the face from
+ pMesh->mFaceSize.push_back( numPoints);
+ }
+
+ // if I ever get my hands on that guy who invented this steaming pile of indirection...
+ TestClosing( "p");
+ return numPrimitives;
+}
- pMesh->mFaceSize.reserve( numPrimitives);
- pMesh->mFacePosIndices.reserve( indices.size() / numOffsets);
+void ColladaParser::CopyVertex(size_t currentVertex, size_t numOffsets, size_t numPoints, size_t perVertexOffset, Mesh* pMesh, std::vector<InputChannel>& pPerIndexChannels, size_t currentPrimitive, const std::vector<size_t>& indices){
+ // calculate the base offset of the vertex whose attributes we ant to copy
+ size_t baseOffset = currentPrimitive * numOffsets * numPoints + currentVertex * numOffsets;
- for( size_t a = 0; a < numPrimitives; a++)
- {
- // determine number of points for this primitive
- size_t numPoints = 0;
- switch( pPrimType)
- {
- case Prim_Lines:
- numPoints = 2;
- break;
- case Prim_Triangles:
- numPoints = 3;
- break;
- case Prim_Polylist:
- numPoints = pVCount[a];
- break;
- case Prim_TriFans:
- case Prim_Polygon:
- numPoints = indices.size() / numOffsets;
- break;
- default:
- // LineStrip and TriStrip not supported due to expected index unmangling
- ThrowException( "Unsupported primitive type.");
- break;
- }
+ // don't overrun the boundaries of the index list
+ size_t maxIndexRequested = baseOffset + numOffsets - 1;
+ ai_assert(maxIndexRequested < indices.size());
- // store the face size to later reconstruct the face from
- pMesh->mFaceSize.push_back( numPoints);
-
- // gather that number of vertices
- for( size_t b = 0; b < numPoints; b++)
- {
- // read all indices for this vertex. Yes, in a hacky local array
- ai_assert( numOffsets < 20 && perVertexOffset < 20);
- size_t vindex[20];
- for( size_t offsets = 0; offsets < numOffsets; ++offsets)
- vindex[offsets] = *idx++;
-
- // extract per-vertex channels using the global per-vertex offset
- for( std::vector<InputChannel>::iterator it = pMesh->mPerVertexData.begin(); it != pMesh->mPerVertexData.end(); ++it)
- ExtractDataObjectFromChannel( *it, vindex[perVertexOffset], pMesh);
- // and extract per-index channels using there specified offset
- for( std::vector<InputChannel>::iterator it = pPerIndexChannels.begin(); it != pPerIndexChannels.end(); ++it)
- ExtractDataObjectFromChannel( *it, vindex[it->mOffset], pMesh);
-
- // store the vertex-data index for later assignment of bone vertex weights
- pMesh->mFacePosIndices.push_back( vindex[perVertexOffset]);
- }
- }
+ // extract per-vertex channels using the global per-vertex offset
+ for (std::vector<InputChannel>::iterator it = pMesh->mPerVertexData.begin(); it != pMesh->mPerVertexData.end(); ++it)
+ ExtractDataObjectFromChannel(*it, indices[baseOffset + perVertexOffset], pMesh);
+ // and extract per-index channels using there specified offset
+ for (std::vector<InputChannel>::iterator it = pPerIndexChannels.begin(); it != pPerIndexChannels.end(); ++it)
+ ExtractDataObjectFromChannel(*it, indices[baseOffset + it->mOffset], pMesh);
+ // store the vertex-data index for later assignment of bone vertex weights
+ pMesh->mFacePosIndices.push_back(indices[baseOffset + perVertexOffset]);
+}
- // if I ever get my hands on that guy who invented this steaming pile of indirection...
- TestClosing( "p");
+void ColladaParser::ReadPrimTriStrips(size_t numOffsets, size_t perVertexOffset, Mesh* pMesh, std::vector<InputChannel>& pPerIndexChannels, size_t currentPrimitive, const std::vector<size_t>& indices){
+ if (currentPrimitive % 2 != 0){
+ //odd tristrip triangles need their indices mangled, to preserve winding direction
+ CopyVertex(1, numOffsets, 1, perVertexOffset, pMesh, pPerIndexChannels, currentPrimitive, indices);
+ CopyVertex(0, numOffsets, 1, perVertexOffset, pMesh, pPerIndexChannels, currentPrimitive, indices);
+ CopyVertex(2, numOffsets, 1, perVertexOffset, pMesh, pPerIndexChannels, currentPrimitive, indices);
+ }
+ else {//for non tristrips or even tristrip triangles
+ CopyVertex(0, numOffsets, 1, perVertexOffset, pMesh, pPerIndexChannels, currentPrimitive, indices);
+ CopyVertex(1, numOffsets, 1, perVertexOffset, pMesh, pPerIndexChannels, currentPrimitive, indices);
+ CopyVertex(2, numOffsets, 1, perVertexOffset, pMesh, pPerIndexChannels, currentPrimitive, indices);
+ }
}
// ------------------------------------------------------------------------------------------------
-// Extracts a single object from an input channel and stores it in the appropriate mesh data array
+// Extracts a single object from an input channel and stores it in the appropriate mesh data array
void ColladaParser::ExtractDataObjectFromChannel( const InputChannel& pInput, size_t pLocalIndex, Mesh* pMesh)
{
- // ignore vertex referrer - we handle them that separate
- if( pInput.mType == IT_Vertex)
- return;
-
- const Accessor& acc = *pInput.mResolved;
- if( pLocalIndex >= acc.mCount)
- ThrowException( boost::str( boost::format( "Invalid data index (%d/%d) in primitive specification") % pLocalIndex % acc.mCount));
-
- // get a pointer to the start of the data object referred to by the accessor and the local index
- const float* dataObject = &(acc.mData->mValues[0]) + acc.mOffset + pLocalIndex* acc.mStride;
-
- // assemble according to the accessors component sub-offset list. We don't care, yet,
- // what kind of object exactly we're extracting here
- float obj[4];
- for( size_t c = 0; c < 4; ++c)
- obj[c] = dataObject[acc.mSubOffset[c]];
-
- // now we reinterpret it according to the type we're reading here
- switch( pInput.mType)
- {
- case IT_Position: // ignore all position streams except 0 - there can be only one position
- if( pInput.mIndex == 0)
- pMesh->mPositions.push_back( aiVector3D( obj[0], obj[1], obj[2]));
- else
- DefaultLogger::get()->error("Collada: just one vertex position stream supported");
- break;
- case IT_Normal:
- // pad to current vertex count if necessary
- if( pMesh->mNormals.size() < pMesh->mPositions.size()-1)
- pMesh->mNormals.insert( pMesh->mNormals.end(), pMesh->mPositions.size() - pMesh->mNormals.size() - 1, aiVector3D( 0, 1, 0));
-
- // ignore all normal streams except 0 - there can be only one normal
- if( pInput.mIndex == 0)
- pMesh->mNormals.push_back( aiVector3D( obj[0], obj[1], obj[2]));
- else
- DefaultLogger::get()->error("Collada: just one vertex normal stream supported");
- break;
- case IT_Tangent:
- // pad to current vertex count if necessary
- if( pMesh->mTangents.size() < pMesh->mPositions.size()-1)
- pMesh->mTangents.insert( pMesh->mTangents.end(), pMesh->mPositions.size() - pMesh->mTangents.size() - 1, aiVector3D( 1, 0, 0));
-
- // ignore all tangent streams except 0 - there can be only one tangent
- if( pInput.mIndex == 0)
- pMesh->mTangents.push_back( aiVector3D( obj[0], obj[1], obj[2]));
- else
- DefaultLogger::get()->error("Collada: just one vertex tangent stream supported");
- break;
- case IT_Bitangent:
- // pad to current vertex count if necessary
- if( pMesh->mBitangents.size() < pMesh->mPositions.size()-1)
- pMesh->mBitangents.insert( pMesh->mBitangents.end(), pMesh->mPositions.size() - pMesh->mBitangents.size() - 1, aiVector3D( 0, 0, 1));
-
- // ignore all bitangent streams except 0 - there can be only one bitangent
- if( pInput.mIndex == 0)
- pMesh->mBitangents.push_back( aiVector3D( obj[0], obj[1], obj[2]));
- else
- DefaultLogger::get()->error("Collada: just one vertex bitangent stream supported");
- break;
- case IT_Texcoord:
- // up to 4 texture coord sets are fine, ignore the others
- if( pInput.mIndex < AI_MAX_NUMBER_OF_TEXTURECOORDS)
- {
- // pad to current vertex count if necessary
- if( pMesh->mTexCoords[pInput.mIndex].size() < pMesh->mPositions.size()-1)
- pMesh->mTexCoords[pInput.mIndex].insert( pMesh->mTexCoords[pInput.mIndex].end(),
- pMesh->mPositions.size() - pMesh->mTexCoords[pInput.mIndex].size() - 1, aiVector3D( 0, 0, 0));
-
- pMesh->mTexCoords[pInput.mIndex].push_back( aiVector3D( obj[0], obj[1], obj[2]));
- if (0 != acc.mSubOffset[2] || 0 != acc.mSubOffset[3]) /* hack ... consider cleaner solution */
- pMesh->mNumUVComponents[pInput.mIndex]=3;
- } else
- {
- DefaultLogger::get()->error("Collada: too many texture coordinate sets. Skipping.");
- }
- break;
- case IT_Color:
- // up to 4 color sets are fine, ignore the others
- if( pInput.mIndex < AI_MAX_NUMBER_OF_COLOR_SETS)
- {
- // pad to current vertex count if necessary
- if( pMesh->mColors[pInput.mIndex].size() < pMesh->mPositions.size()-1)
- pMesh->mColors[pInput.mIndex].insert( pMesh->mColors[pInput.mIndex].end(),
- pMesh->mPositions.size() - pMesh->mColors[pInput.mIndex].size() - 1, aiColor4D( 0, 0, 0, 1));
+ // ignore vertex referrer - we handle them that separate
+ if( pInput.mType == IT_Vertex)
+ return;
+
+ const Accessor& acc = *pInput.mResolved;
+ if( pLocalIndex >= acc.mCount)
+ ThrowException( format() << "Invalid data index (" << pLocalIndex << "/" << acc.mCount << ") in primitive specification" );
+
+ // get a pointer to the start of the data object referred to by the accessor and the local index
+ const float* dataObject = &(acc.mData->mValues[0]) + acc.mOffset + pLocalIndex* acc.mStride;
+
+ // assemble according to the accessors component sub-offset list. We don't care, yet,
+ // what kind of object exactly we're extracting here
+ float obj[4];
+ for( size_t c = 0; c < 4; ++c)
+ obj[c] = dataObject[acc.mSubOffset[c]];
+
+ // now we reinterpret it according to the type we're reading here
+ switch( pInput.mType)
+ {
+ case IT_Position: // ignore all position streams except 0 - there can be only one position
+ if( pInput.mIndex == 0)
+ pMesh->mPositions.push_back( aiVector3D( obj[0], obj[1], obj[2]));
+ else
+ DefaultLogger::get()->error("Collada: just one vertex position stream supported");
+ break;
+ case IT_Normal:
+ // pad to current vertex count if necessary
+ if( pMesh->mNormals.size() < pMesh->mPositions.size()-1)
+ pMesh->mNormals.insert( pMesh->mNormals.end(), pMesh->mPositions.size() - pMesh->mNormals.size() - 1, aiVector3D( 0, 1, 0));
+
+ // ignore all normal streams except 0 - there can be only one normal
+ if( pInput.mIndex == 0)
+ pMesh->mNormals.push_back( aiVector3D( obj[0], obj[1], obj[2]));
+ else
+ DefaultLogger::get()->error("Collada: just one vertex normal stream supported");
+ break;
+ case IT_Tangent:
+ // pad to current vertex count if necessary
+ if( pMesh->mTangents.size() < pMesh->mPositions.size()-1)
+ pMesh->mTangents.insert( pMesh->mTangents.end(), pMesh->mPositions.size() - pMesh->mTangents.size() - 1, aiVector3D( 1, 0, 0));
+
+ // ignore all tangent streams except 0 - there can be only one tangent
+ if( pInput.mIndex == 0)
+ pMesh->mTangents.push_back( aiVector3D( obj[0], obj[1], obj[2]));
+ else
+ DefaultLogger::get()->error("Collada: just one vertex tangent stream supported");
+ break;
+ case IT_Bitangent:
+ // pad to current vertex count if necessary
+ if( pMesh->mBitangents.size() < pMesh->mPositions.size()-1)
+ pMesh->mBitangents.insert( pMesh->mBitangents.end(), pMesh->mPositions.size() - pMesh->mBitangents.size() - 1, aiVector3D( 0, 0, 1));
+
+ // ignore all bitangent streams except 0 - there can be only one bitangent
+ if( pInput.mIndex == 0)
+ pMesh->mBitangents.push_back( aiVector3D( obj[0], obj[1], obj[2]));
+ else
+ DefaultLogger::get()->error("Collada: just one vertex bitangent stream supported");
+ break;
+ case IT_Texcoord:
+ // up to 4 texture coord sets are fine, ignore the others
+ if( pInput.mIndex < AI_MAX_NUMBER_OF_TEXTURECOORDS)
+ {
+ // pad to current vertex count if necessary
+ if( pMesh->mTexCoords[pInput.mIndex].size() < pMesh->mPositions.size()-1)
+ pMesh->mTexCoords[pInput.mIndex].insert( pMesh->mTexCoords[pInput.mIndex].end(),
+ pMesh->mPositions.size() - pMesh->mTexCoords[pInput.mIndex].size() - 1, aiVector3D( 0, 0, 0));
+
+ pMesh->mTexCoords[pInput.mIndex].push_back( aiVector3D( obj[0], obj[1], obj[2]));
+ if (0 != acc.mSubOffset[2] || 0 != acc.mSubOffset[3]) /* hack ... consider cleaner solution */
+ pMesh->mNumUVComponents[pInput.mIndex]=3;
+ } else
+ {
+ DefaultLogger::get()->error("Collada: too many texture coordinate sets. Skipping.");
+ }
+ break;
+ case IT_Color:
+ // up to 4 color sets are fine, ignore the others
+ if( pInput.mIndex < AI_MAX_NUMBER_OF_COLOR_SETS)
+ {
+ // pad to current vertex count if necessary
+ if( pMesh->mColors[pInput.mIndex].size() < pMesh->mPositions.size()-1)
+ pMesh->mColors[pInput.mIndex].insert( pMesh->mColors[pInput.mIndex].end(),
+ pMesh->mPositions.size() - pMesh->mColors[pInput.mIndex].size() - 1, aiColor4D( 0, 0, 0, 1));
- aiColor4D result(0, 0, 0, 1);
- for (size_t i = 0; i < pInput.mResolved->mSize; ++i)
- {
- result[i] = obj[pInput.mResolved->mSubOffset[i]];
- }
- pMesh->mColors[pInput.mIndex].push_back(result);
- } else
- {
- DefaultLogger::get()->error("Collada: too many vertex color sets. Skipping.");
- }
+ aiColor4D result(0, 0, 0, 1);
+ for (size_t i = 0; i < pInput.mResolved->mSize; ++i)
+ {
+ result[i] = obj[pInput.mResolved->mSubOffset[i]];
+ }
+ pMesh->mColors[pInput.mIndex].push_back(result);
+ } else
+ {
+ DefaultLogger::get()->error("Collada: too many vertex color sets. Skipping.");
+ }
- break;
- default:
- // IT_Invalid and IT_Vertex
- ai_assert(false && "shouldn't ever get here");
- }
+ break;
+ default:
+ // IT_Invalid and IT_Vertex
+ ai_assert(false && "shouldn't ever get here");
+ }
}
// ------------------------------------------------------------------------------------------------
// Reads the library of node hierarchies and scene parts
void ColladaParser::ReadSceneLibrary()
{
- if( mReader->isEmptyElement())
- return;
-
- while( mReader->read())
- {
- if( mReader->getNodeType() == irr::io::EXN_ELEMENT)
- {
- // a visual scene - generate root node under its ID and let ReadNode() do the recursive work
- if( IsElement( "visual_scene"))
- {
- // read ID. Is optional according to the spec, but how on earth should a scene_instance refer to it then?
- int indexID = GetAttribute( "id");
- const char* attrID = mReader->getAttributeValue( indexID);
-
- // read name if given.
- int indexName = TestAttribute( "name");
- const char* attrName = "unnamed";
- if( indexName > -1)
- attrName = mReader->getAttributeValue( indexName);
-
- // create a node and store it in the library under its ID
- Node* node = new Node;
- node->mID = attrID;
- node->mName = attrName;
- mNodeLibrary[node->mID] = node;
-
- ReadSceneNode( node);
- } else
- {
- // ignore the rest
- SkipElement();
- }
- }
- else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END)
- {
- if( strcmp( mReader->getNodeName(), "library_visual_scenes") == 0)
- //ThrowException( "Expected end of \"library_visual_scenes\" element.");
-
- break;
- }
- }
+ if( mReader->isEmptyElement())
+ return;
+
+ while( mReader->read())
+ {
+ if( mReader->getNodeType() == irr::io::EXN_ELEMENT)
+ {
+ // a visual scene - generate root node under its ID and let ReadNode() do the recursive work
+ if( IsElement( "visual_scene"))
+ {
+ // read ID. Is optional according to the spec, but how on earth should a scene_instance refer to it then?
+ int indexID = GetAttribute( "id");
+ const char* attrID = mReader->getAttributeValue( indexID);
+
+ // read name if given.
+ int indexName = TestAttribute( "name");
+ const char* attrName = "unnamed";
+ if( indexName > -1)
+ attrName = mReader->getAttributeValue( indexName);
+
+ // create a node and store it in the library under its ID
+ Node* node = new Node;
+ node->mID = attrID;
+ node->mName = attrName;
+ mNodeLibrary[node->mID] = node;
+
+ ReadSceneNode( node);
+ } else
+ {
+ // ignore the rest
+ SkipElement();
+ }
+ }
+ else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END)
+ {
+ if( strcmp( mReader->getNodeName(), "library_visual_scenes") == 0)
+ //ThrowException( "Expected end of \"library_visual_scenes\" element.");
+
+ break;
+ }
+ }
}
// ------------------------------------------------------------------------------------------------
// Reads a scene node's contents including children and stores it in the given node
void ColladaParser::ReadSceneNode( Node* pNode)
{
- // quit immediately on <bla/> elements
- if( mReader->isEmptyElement())
- return;
-
- while( mReader->read())
- {
- if( mReader->getNodeType() == irr::io::EXN_ELEMENT)
- {
- if( IsElement( "node"))
- {
- Node* child = new Node;
- int attrID = TestAttribute( "id");
- if( attrID > -1)
- child->mID = mReader->getAttributeValue( attrID);
- int attrSID = TestAttribute( "sid");
- if( attrSID > -1)
- child->mSID = mReader->getAttributeValue( attrSID);
-
- int attrName = TestAttribute( "name");
- if( attrName > -1)
- child->mName = mReader->getAttributeValue( attrName);
-
- // TODO: (thom) support SIDs
- // ai_assert( TestAttribute( "sid") == -1);
-
- if (pNode)
- {
- pNode->mChildren.push_back( child);
- child->mParent = pNode;
- }
- else
- {
- // no parent node given, probably called from <library_nodes> element.
- // create new node in node library
- mNodeLibrary[child->mID] = child;
- }
+ // quit immediately on <bla/> elements
+ if( mReader->isEmptyElement())
+ return;
+
+ while( mReader->read())
+ {
+ if( mReader->getNodeType() == irr::io::EXN_ELEMENT)
+ {
+ if( IsElement( "node"))
+ {
+ Node* child = new Node;
+ int attrID = TestAttribute( "id");
+ if( attrID > -1)
+ child->mID = mReader->getAttributeValue( attrID);
+ int attrSID = TestAttribute( "sid");
+ if( attrSID > -1)
+ child->mSID = mReader->getAttributeValue( attrSID);
+
+ int attrName = TestAttribute( "name");
+ if( attrName > -1)
+ child->mName = mReader->getAttributeValue( attrName);
+
+ // TODO: (thom) support SIDs
+ // ai_assert( TestAttribute( "sid") == -1);
+
+ if (pNode)
+ {
+ pNode->mChildren.push_back( child);
+ child->mParent = pNode;
+ }
+ else
+ {
+ // no parent node given, probably called from <library_nodes> element.
+ // create new node in node library
+ mNodeLibrary[child->mID] = child;
+ }
- // read on recursively from there
- ReadSceneNode( child);
- continue;
- }
- // For any further stuff we need a valid node to work on
- else if (!pNode)
- continue;
-
- if( IsElement( "lookat"))
- ReadNodeTransformation( pNode, TF_LOOKAT);
- else if( IsElement( "matrix"))
- ReadNodeTransformation( pNode, TF_MATRIX);
- else if( IsElement( "rotate"))
- ReadNodeTransformation( pNode, TF_ROTATE);
- else if( IsElement( "scale"))
- ReadNodeTransformation( pNode, TF_SCALE);
- else if( IsElement( "skew"))
- ReadNodeTransformation( pNode, TF_SKEW);
- else if( IsElement( "translate"))
- ReadNodeTransformation( pNode, TF_TRANSLATE);
- else if( IsElement( "render") && pNode->mParent == NULL && 0 == pNode->mPrimaryCamera.length())
- {
- // ... scene evaluation or, in other words, postprocessing pipeline,
- // or, again in other words, a turing-complete description how to
- // render a Collada scene. The only thing that is interesting for
- // us is the primary camera.
- int attrId = TestAttribute("camera_node");
- if (-1 != attrId)
- {
- const char* s = mReader->getAttributeValue(attrId);
- if (s[0] != '#')
- DefaultLogger::get()->error("Collada: Unresolved reference format of camera");
- else
- pNode->mPrimaryCamera = s+1;
- }
- }
- else if( IsElement( "instance_node"))
- {
- // find the node in the library
- int attrID = TestAttribute( "url");
- if( attrID != -1)
- {
- const char* s = mReader->getAttributeValue(attrID);
- if (s[0] != '#')
- DefaultLogger::get()->error("Collada: Unresolved reference format of node");
- else
- {
- pNode->mNodeInstances.push_back(NodeInstance());
- pNode->mNodeInstances.back().mNode = s+1;
- }
- }
- }
- else if( IsElement( "instance_geometry") || IsElement( "instance_controller"))
- {
- // Reference to a mesh or controller, with possible material associations
- ReadNodeGeometry( pNode);
- }
- else if( IsElement( "instance_light"))
- {
- // Reference to a light, name given in 'url' attribute
- int attrID = TestAttribute("url");
- if (-1 == attrID)
- DefaultLogger::get()->warn("Collada: Expected url attribute in <instance_light> element");
- else
- {
- const char* url = mReader->getAttributeValue( attrID);
- if( url[0] != '#')
- ThrowException( "Unknown reference format in <instance_light> element");
+ // read on recursively from there
+ ReadSceneNode( child);
+ continue;
+ }
+ // For any further stuff we need a valid node to work on
+ else if (!pNode)
+ continue;
+
+ if( IsElement( "lookat"))
+ ReadNodeTransformation( pNode, TF_LOOKAT);
+ else if( IsElement( "matrix"))
+ ReadNodeTransformation( pNode, TF_MATRIX);
+ else if( IsElement( "rotate"))
+ ReadNodeTransformation( pNode, TF_ROTATE);
+ else if( IsElement( "scale"))
+ ReadNodeTransformation( pNode, TF_SCALE);
+ else if( IsElement( "skew"))
+ ReadNodeTransformation( pNode, TF_SKEW);
+ else if( IsElement( "translate"))
+ ReadNodeTransformation( pNode, TF_TRANSLATE);
+ else if( IsElement( "render") && pNode->mParent == NULL && 0 == pNode->mPrimaryCamera.length())
+ {
+ // ... scene evaluation or, in other words, postprocessing pipeline,
+ // or, again in other words, a turing-complete description how to
+ // render a Collada scene. The only thing that is interesting for
+ // us is the primary camera.
+ int attrId = TestAttribute("camera_node");
+ if (-1 != attrId)
+ {
+ const char* s = mReader->getAttributeValue(attrId);
+ if (s[0] != '#')
+ DefaultLogger::get()->error("Collada: Unresolved reference format of camera");
+ else
+ pNode->mPrimaryCamera = s+1;
+ }
+ }
+ else if( IsElement( "instance_node"))
+ {
+ // find the node in the library
+ int attrID = TestAttribute( "url");
+ if( attrID != -1)
+ {
+ const char* s = mReader->getAttributeValue(attrID);
+ if (s[0] != '#')
+ DefaultLogger::get()->error("Collada: Unresolved reference format of node");
+ else
+ {
+ pNode->mNodeInstances.push_back(NodeInstance());
+ pNode->mNodeInstances.back().mNode = s+1;
+ }
+ }
+ }
+ else if( IsElement( "instance_geometry") || IsElement( "instance_controller"))
+ {
+ // Reference to a mesh or controller, with possible material associations
+ ReadNodeGeometry( pNode);
+ }
+ else if( IsElement( "instance_light"))
+ {
+ // Reference to a light, name given in 'url' attribute
+ int attrID = TestAttribute("url");
+ if (-1 == attrID)
+ DefaultLogger::get()->warn("Collada: Expected url attribute in <instance_light> element");
+ else
+ {
+ const char* url = mReader->getAttributeValue( attrID);
+ if( url[0] != '#')
+ ThrowException( "Unknown reference format in <instance_light> element");
- pNode->mLights.push_back(LightInstance());
- pNode->mLights.back().mLight = url+1;
- }
- }
- else if( IsElement( "instance_camera"))
- {
- // Reference to a camera, name given in 'url' attribute
- int attrID = TestAttribute("url");
- if (-1 == attrID)
- DefaultLogger::get()->warn("Collada: Expected url attribute in <instance_camera> element");
- else
- {
- const char* url = mReader->getAttributeValue( attrID);
- if( url[0] != '#')
- ThrowException( "Unknown reference format in <instance_camera> element");
+ pNode->mLights.push_back(LightInstance());
+ pNode->mLights.back().mLight = url+1;
+ }
+ }
+ else if( IsElement( "instance_camera"))
+ {
+ // Reference to a camera, name given in 'url' attribute
+ int attrID = TestAttribute("url");
+ if (-1 == attrID)
+ DefaultLogger::get()->warn("Collada: Expected url attribute in <instance_camera> element");
+ else
+ {
+ const char* url = mReader->getAttributeValue( attrID);
+ if( url[0] != '#')
+ ThrowException( "Unknown reference format in <instance_camera> element");
- pNode->mCameras.push_back(CameraInstance());
- pNode->mCameras.back().mCamera = url+1;
- }
- }
- else
- {
- // skip everything else for the moment
- SkipElement();
- }
- }
- else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) {
- break;
- }
- }
+ pNode->mCameras.push_back(CameraInstance());
+ pNode->mCameras.back().mCamera = url+1;
+ }
+ }
+ else
+ {
+ // skip everything else for the moment
+ SkipElement();
+ }
+ }
+ else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) {
+ break;
+ }
+ }
}
// ------------------------------------------------------------------------------------------------
// Reads a node transformation entry of the given type and adds it to the given node's transformation list.
void ColladaParser::ReadNodeTransformation( Node* pNode, TransformType pType)
{
- if( mReader->isEmptyElement())
- return;
+ if( mReader->isEmptyElement())
+ return;
- std::string tagName = mReader->getNodeName();
+ std::string tagName = mReader->getNodeName();
- Transform tf;
- tf.mType = pType;
-
- // read SID
- int indexSID = TestAttribute( "sid");
- if( indexSID >= 0)
- tf.mID = mReader->getAttributeValue( indexSID);
+ Transform tf;
+ tf.mType = pType;
- // how many parameters to read per transformation type
- static const unsigned int sNumParameters[] = { 9, 4, 3, 3, 7, 16 };
- const char* content = GetTextContent();
+ // read SID
+ int indexSID = TestAttribute( "sid");
+ if( indexSID >= 0)
+ tf.mID = mReader->getAttributeValue( indexSID);
- // read as many parameters and store in the transformation
- for( unsigned int a = 0; a < sNumParameters[pType]; a++)
- {
- // read a number
- content = fast_atoreal_move<float>( content, tf.f[a]);
- // skip whitespace after it
- SkipSpacesAndLineEnd( &content);
- }
+ // how many parameters to read per transformation type
+ static const unsigned int sNumParameters[] = { 9, 4, 3, 3, 7, 16 };
+ const char* content = GetTextContent();
+
+ // read as many parameters and store in the transformation
+ for( unsigned int a = 0; a < sNumParameters[pType]; a++)
+ {
+ // read a number
+ content = fast_atoreal_move<float>( content, tf.f[a]);
+ // skip whitespace after it
+ SkipSpacesAndLineEnd( &content);
+ }
- // place the transformation at the queue of the node
- pNode->mTransforms.push_back( tf);
+ // place the transformation at the queue of the node
+ pNode->mTransforms.push_back( tf);
- // and consume the closing tag
- TestClosing( tagName.c_str());
+ // and consume the closing tag
+ TestClosing( tagName.c_str());
}
// ------------------------------------------------------------------------------------------------
// Processes bind_vertex_input and bind elements
void ColladaParser::ReadMaterialVertexInputBinding( Collada::SemanticMappingTable& tbl)
{
- while( mReader->read())
- {
- if( mReader->getNodeType() == irr::io::EXN_ELEMENT) {
- if( IsElement( "bind_vertex_input"))
- {
- Collada::InputSemanticMapEntry vn;
-
- // effect semantic
- int n = GetAttribute("semantic");
- std::string s = mReader->getAttributeValue(n);
-
- // input semantic
- n = GetAttribute("input_semantic");
- vn.mType = GetTypeForSemantic( mReader->getAttributeValue(n) );
-
- // index of input set
- n = TestAttribute("input_set");
- if (-1 != n)
- vn.mSet = mReader->getAttributeValueAsInt(n);
-
- tbl.mMap[s] = vn;
- }
- else if( IsElement( "bind")) {
- DefaultLogger::get()->warn("Collada: Found unsupported <bind> element");
- }
- }
- else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) {
- if( strcmp( mReader->getNodeName(), "instance_material") == 0)
- break;
- }
- }
+ while( mReader->read())
+ {
+ if( mReader->getNodeType() == irr::io::EXN_ELEMENT) {
+ if( IsElement( "bind_vertex_input"))
+ {
+ Collada::InputSemanticMapEntry vn;
+
+ // effect semantic
+ int n = GetAttribute("semantic");
+ std::string s = mReader->getAttributeValue(n);
+
+ // input semantic
+ n = GetAttribute("input_semantic");
+ vn.mType = GetTypeForSemantic( mReader->getAttributeValue(n) );
+
+ // index of input set
+ n = TestAttribute("input_set");
+ if (-1 != n)
+ vn.mSet = mReader->getAttributeValueAsInt(n);
+
+ tbl.mMap[s] = vn;
+ }
+ else if( IsElement( "bind")) {
+ DefaultLogger::get()->warn("Collada: Found unsupported <bind> element");
+ }
+ }
+ else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) {
+ if( strcmp( mReader->getNodeName(), "instance_material") == 0)
+ break;
+ }
+ }
}
// ------------------------------------------------------------------------------------------------
// Reads a mesh reference in a node and adds it to the node's mesh list
void ColladaParser::ReadNodeGeometry( Node* pNode)
{
- // referred mesh is given as an attribute of the <instance_geometry> element
- int attrUrl = GetAttribute( "url");
- const char* url = mReader->getAttributeValue( attrUrl);
- if( url[0] != '#')
- ThrowException( "Unknown reference format");
-
- Collada::MeshInstance instance;
- instance.mMeshOrController = url+1; // skipping the leading #
-
- if( !mReader->isEmptyElement())
- {
- // read material associations. Ignore additional elements inbetween
- while( mReader->read())
- {
- if( mReader->getNodeType() == irr::io::EXN_ELEMENT)
- {
- if( IsElement( "instance_material"))
- {
- // read ID of the geometry subgroup and the target material
- int attrGroup = GetAttribute( "symbol");
- std::string group = mReader->getAttributeValue( attrGroup);
- int attrMaterial = GetAttribute( "target");
- const char* urlMat = mReader->getAttributeValue( attrMaterial);
- Collada::SemanticMappingTable s;
- if( urlMat[0] == '#')
- urlMat++;
-
- s.mMatName = urlMat;
-
- // resolve further material details + THIS UGLY AND NASTY semantic mapping stuff
- if( !mReader->isEmptyElement())
- ReadMaterialVertexInputBinding(s);
-
- // store the association
- instance.mMaterials[group] = s;
- }
- }
- else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END)
- {
- if( strcmp( mReader->getNodeName(), "instance_geometry") == 0
- || strcmp( mReader->getNodeName(), "instance_controller") == 0)
- break;
- }
- }
- }
+ // referred mesh is given as an attribute of the <instance_geometry> element
+ int attrUrl = GetAttribute( "url");
+ const char* url = mReader->getAttributeValue( attrUrl);
+ if( url[0] != '#')
+ ThrowException( "Unknown reference format");
+
+ Collada::MeshInstance instance;
+ instance.mMeshOrController = url+1; // skipping the leading #
+
+ if( !mReader->isEmptyElement())
+ {
+ // read material associations. Ignore additional elements inbetween
+ while( mReader->read())
+ {
+ if( mReader->getNodeType() == irr::io::EXN_ELEMENT)
+ {
+ if( IsElement( "instance_material"))
+ {
+ // read ID of the geometry subgroup and the target material
+ int attrGroup = GetAttribute( "symbol");
+ std::string group = mReader->getAttributeValue( attrGroup);
+ int attrMaterial = GetAttribute( "target");
+ const char* urlMat = mReader->getAttributeValue( attrMaterial);
+ Collada::SemanticMappingTable s;
+ if( urlMat[0] == '#')
+ urlMat++;
+
+ s.mMatName = urlMat;
+
+ // resolve further material details + THIS UGLY AND NASTY semantic mapping stuff
+ if( !mReader->isEmptyElement())
+ ReadMaterialVertexInputBinding(s);
+
+ // store the association
+ instance.mMaterials[group] = s;
+ }
+ }
+ else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END)
+ {
+ if( strcmp( mReader->getNodeName(), "instance_geometry") == 0
+ || strcmp( mReader->getNodeName(), "instance_controller") == 0)
+ break;
+ }
+ }
+ }
- // store it
- pNode->mMeshes.push_back( instance);
+ // store it
+ pNode->mMeshes.push_back( instance);
}
// ------------------------------------------------------------------------------------------------
// Reads the collada scene
void ColladaParser::ReadScene()
{
- if( mReader->isEmptyElement())
- return;
+ if( mReader->isEmptyElement())
+ return;
- while( mReader->read())
- {
- if( mReader->getNodeType() == irr::io::EXN_ELEMENT) {
- if( IsElement( "instance_visual_scene"))
- {
- // should be the first and only occurence
- if( mRootNode)
- ThrowException( "Invalid scene containing multiple root nodes in <instance_visual_scene> element");
-
- // read the url of the scene to instance. Should be of format "#some_name"
- int urlIndex = GetAttribute( "url");
- const char* url = mReader->getAttributeValue( urlIndex);
- if( url[0] != '#')
- ThrowException( "Unknown reference format in <instance_visual_scene> element");
-
- // find the referred scene, skip the leading #
- NodeLibrary::const_iterator sit = mNodeLibrary.find( url+1);
- if( sit == mNodeLibrary.end())
- ThrowException( "Unable to resolve visual_scene reference \"" + std::string(url) + "\" in <instance_visual_scene> element.");
- mRootNode = sit->second;
- } else {
- SkipElement();
- }
- }
- else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END){
- break;
- }
- }
+ while( mReader->read())
+ {
+ if( mReader->getNodeType() == irr::io::EXN_ELEMENT) {
+ if( IsElement( "instance_visual_scene"))
+ {
+ // should be the first and only occurrence
+ if( mRootNode)
+ ThrowException( "Invalid scene containing multiple root nodes in <instance_visual_scene> element");
+
+ // read the url of the scene to instance. Should be of format "#some_name"
+ int urlIndex = GetAttribute( "url");
+ const char* url = mReader->getAttributeValue( urlIndex);
+ if( url[0] != '#')
+ ThrowException( "Unknown reference format in <instance_visual_scene> element");
+
+ // find the referred scene, skip the leading #
+ NodeLibrary::const_iterator sit = mNodeLibrary.find( url+1);
+ if( sit == mNodeLibrary.end())
+ ThrowException( "Unable to resolve visual_scene reference \"" + std::string(url) + "\" in <instance_visual_scene> element.");
+ mRootNode = sit->second;
+ } else {
+ SkipElement();
+ }
+ }
+ else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END){
+ break;
+ }
+ }
}
// ------------------------------------------------------------------------------------------------
// Aborts the file reading with an exception
-void ColladaParser::ThrowException( const std::string& pError) const
+AI_WONT_RETURN void ColladaParser::ThrowException( const std::string& pError) const
{
- throw DeadlyImportError( boost::str( boost::format( "Collada: %s - %s") % mFileName % pError));
+ throw DeadlyImportError( format() << "Collada: " << mFileName << " - " << pError );
}
+void ColladaParser::ReportWarning(const char* msg,...)
+{
+ ai_assert(NULL != msg);
+
+ va_list args;
+ va_start(args,msg);
+
+ char szBuffer[3000];
+ const int iLen = vsprintf(szBuffer,msg,args);
+ ai_assert(iLen > 0);
+
+ va_end(args);
+ DefaultLogger::get()->warn("Validation warning: " + std::string(szBuffer,iLen));
+}
+
// ------------------------------------------------------------------------------------------------
// Skips all data until the end node of the current element
void ColladaParser::SkipElement()
{
- // nothing to skip if it's an <element />
- if( mReader->isEmptyElement())
- return;
+ // nothing to skip if it's an <element />
+ if( mReader->isEmptyElement())
+ return;
- // reroute
- SkipElement( mReader->getNodeName());
+ // reroute
+ SkipElement( mReader->getNodeName());
}
// ------------------------------------------------------------------------------------------------
// Skips all data until the end node of the given element
void ColladaParser::SkipElement( const char* pElement)
{
- // copy the current node's name because it'a pointer to the reader's internal buffer,
- // which is going to change with the upcoming parsing
- std::string element = pElement;
- while( mReader->read())
- {
- if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END)
- if( mReader->getNodeName() == element)
- break;
- }
+ // copy the current node's name because it'a pointer to the reader's internal buffer,
+ // which is going to change with the upcoming parsing
+ std::string element = pElement;
+ while( mReader->read())
+ {
+ if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END)
+ if( mReader->getNodeName() == element)
+ break;
+ }
}
// ------------------------------------------------------------------------------------------------
// Tests for an opening element of the given name, throws an exception if not found
void ColladaParser::TestOpening( const char* pName)
{
- // read element start
- if( !mReader->read())
- ThrowException( boost::str( boost::format( "Unexpected end of file while beginning of <%s> element.") % pName));
- // whitespace in front is ok, just read again if found
- if( mReader->getNodeType() == irr::io::EXN_TEXT)
- if( !mReader->read())
- ThrowException( boost::str( boost::format( "Unexpected end of file while reading beginning of <%s> element.") % pName));
-
- if( mReader->getNodeType() != irr::io::EXN_ELEMENT || strcmp( mReader->getNodeName(), pName) != 0)
- ThrowException( boost::str( boost::format( "Expected start of <%s> element.") % pName));
+ // read element start
+ if( !mReader->read())
+ ThrowException( format() << "Unexpected end of file while beginning of <" << pName << "> element." );
+ // whitespace in front is ok, just read again if found
+ if( mReader->getNodeType() == irr::io::EXN_TEXT)
+ if( !mReader->read())
+ ThrowException( format() << "Unexpected end of file while reading beginning of <" << pName << "> element." );
+
+ if( mReader->getNodeType() != irr::io::EXN_ELEMENT || strcmp( mReader->getNodeName(), pName) != 0)
+ ThrowException( format() << "Expected start of <" << pName << "> element." );
}
// ------------------------------------------------------------------------------------------------
// Tests for the closing tag of the given element, throws an exception if not found
void ColladaParser::TestClosing( const char* pName)
{
- // check if we're already on the closing tag and return right away
- if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END && strcmp( mReader->getNodeName(), pName) == 0)
- return;
-
- // if not, read some more
- if( !mReader->read())
- ThrowException( boost::str( boost::format( "Unexpected end of file while reading end of <%s> element.") % pName));
- // whitespace in front is ok, just read again if found
- if( mReader->getNodeType() == irr::io::EXN_TEXT)
- if( !mReader->read())
- ThrowException( boost::str( boost::format( "Unexpected end of file while reading end of <%s> element.") % pName));
-
- // but this has the be the closing tag, or we're lost
- if( mReader->getNodeType() != irr::io::EXN_ELEMENT_END || strcmp( mReader->getNodeName(), pName) != 0)
- ThrowException( boost::str( boost::format( "Expected end of <%s> element.") % pName));
+ // check if we're already on the closing tag and return right away
+ if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END && strcmp( mReader->getNodeName(), pName) == 0)
+ return;
+
+ // if not, read some more
+ if( !mReader->read())
+ ThrowException( format() << "Unexpected end of file while reading end of <" << pName << "> element." );
+ // whitespace in front is ok, just read again if found
+ if( mReader->getNodeType() == irr::io::EXN_TEXT)
+ if( !mReader->read())
+ ThrowException( format() << "Unexpected end of file while reading end of <" << pName << "> element." );
+
+ // but this has the be the closing tag, or we're lost
+ if( mReader->getNodeType() != irr::io::EXN_ELEMENT_END || strcmp( mReader->getNodeName(), pName) != 0)
+ ThrowException( format() << "Expected end of <" << pName << "> element." );
}
// ------------------------------------------------------------------------------------------------
// Returns the index of the named attribute or -1 if not found. Does not throw, therefore useful for optional attributes
int ColladaParser::GetAttribute( const char* pAttr) const
{
- int index = TestAttribute( pAttr);
- if( index != -1)
- return index;
+ int index = TestAttribute( pAttr);
+ if( index != -1)
+ return index;
- // attribute not found -> throw an exception
- ThrowException( boost::str( boost::format( "Expected attribute \"%s\" for element <%s>.") % pAttr % mReader->getNodeName()));
- return -1;
+ // attribute not found -> throw an exception
+ ThrowException( format() << "Expected attribute \"" << pAttr << "\" for element <" << mReader->getNodeName() << ">." );
+ return -1;
}
// ------------------------------------------------------------------------------------------------
// Tests the present element for the presence of one attribute, returns its index or throws an exception if not found
int ColladaParser::TestAttribute( const char* pAttr) const
{
- for( int a = 0; a < mReader->getAttributeCount(); a++)
- if( strcmp( mReader->getAttributeName( a), pAttr) == 0)
- return a;
+ for( int a = 0; a < mReader->getAttributeCount(); a++)
+ if( strcmp( mReader->getAttributeName( a), pAttr) == 0)
+ return a;
- return -1;
+ return -1;
}
// ------------------------------------------------------------------------------------------------
// Reads the text contents of an element, throws an exception if not given. Skips leading whitespace.
const char* ColladaParser::GetTextContent()
{
- const char* sz = TestTextContent();
- if(!sz) {
- ThrowException( "Invalid contents in element \"n\".");
- }
- return sz;
+ const char* sz = TestTextContent();
+ if(!sz) {
+ ThrowException( "Invalid contents in element \"n\".");
+ }
+ return sz;
}
// ------------------------------------------------------------------------------------------------
// Reads the text contents of an element, returns NULL if not given. Skips leading whitespace.
const char* ColladaParser::TestTextContent()
{
- // present node should be the beginning of an element
- if( mReader->getNodeType() != irr::io::EXN_ELEMENT || mReader->isEmptyElement())
- return NULL;
+ // present node should be the beginning of an element
+ if( mReader->getNodeType() != irr::io::EXN_ELEMENT || mReader->isEmptyElement())
+ return NULL;
- // read contents of the element
- if( !mReader->read() )
- return NULL;
- if( mReader->getNodeType() != irr::io::EXN_TEXT)
- return NULL;
+ // read contents of the element
+ if( !mReader->read() )
+ return NULL;
+ if( mReader->getNodeType() != irr::io::EXN_TEXT)
+ return NULL;
- // skip leading whitespace
- const char* text = mReader->getNodeData();
- SkipSpacesAndLineEnd( &text);
+ // skip leading whitespace
+ const char* text = mReader->getNodeData();
+ SkipSpacesAndLineEnd( &text);
- return text;
+ return text;
}
// ------------------------------------------------------------------------------------------------
// Calculates the resulting transformation fromm all the given transform steps
aiMatrix4x4 ColladaParser::CalculateResultTransform( const std::vector<Transform>& pTransforms) const
{
- aiMatrix4x4 res;
-
- for( std::vector<Transform>::const_iterator it = pTransforms.begin(); it != pTransforms.end(); ++it)
- {
- const Transform& tf = *it;
- switch( tf.mType)
- {
- case TF_LOOKAT:
+ aiMatrix4x4 res;
+
+ for( std::vector<Transform>::const_iterator it = pTransforms.begin(); it != pTransforms.end(); ++it)
+ {
+ const Transform& tf = *it;
+ switch( tf.mType)
+ {
+ case TF_LOOKAT:
{
aiVector3D pos( tf.f[0], tf.f[1], tf.f[2]);
aiVector3D dstPos( tf.f[3], tf.f[4], tf.f[5]);
@@ -2795,77 +3107,82 @@ aiMatrix4x4 ColladaParser::CalculateResultTransform( const std::vector<Transform
aiVector3D dir = aiVector3D( dstPos - pos).Normalize();
aiVector3D right = (dir ^ up).Normalize();
- res *= aiMatrix4x4(
- right.x, up.x, -dir.x, pos.x,
+ res *= aiMatrix4x4(
+ right.x, up.x, -dir.x, pos.x,
right.y, up.y, -dir.y, pos.y,
right.z, up.z, -dir.z, pos.z,
0, 0, 0, 1);
- break;
+ break;
}
- case TF_ROTATE:
- {
- aiMatrix4x4 rot;
- float angle = tf.f[3] * float( AI_MATH_PI) / 180.0f;
- aiVector3D axis( tf.f[0], tf.f[1], tf.f[2]);
- aiMatrix4x4::Rotation( angle, axis, rot);
- res *= rot;
- break;
- }
- case TF_TRANSLATE:
- {
- aiMatrix4x4 trans;
- aiMatrix4x4::Translation( aiVector3D( tf.f[0], tf.f[1], tf.f[2]), trans);
- res *= trans;
- break;
- }
- case TF_SCALE:
- {
- aiMatrix4x4 scale( tf.f[0], 0.0f, 0.0f, 0.0f, 0.0f, tf.f[1], 0.0f, 0.0f, 0.0f, 0.0f, tf.f[2], 0.0f,
- 0.0f, 0.0f, 0.0f, 1.0f);
- res *= scale;
- break;
- }
- case TF_SKEW:
- // TODO: (thom)
- ai_assert( false);
- break;
- case TF_MATRIX:
- {
- aiMatrix4x4 mat( tf.f[0], tf.f[1], tf.f[2], tf.f[3], tf.f[4], tf.f[5], tf.f[6], tf.f[7],
- tf.f[8], tf.f[9], tf.f[10], tf.f[11], tf.f[12], tf.f[13], tf.f[14], tf.f[15]);
- res *= mat;
- break;
- }
- default:
- ai_assert( false);
- break;
- }
- }
+ case TF_ROTATE:
+ {
+ aiMatrix4x4 rot;
+ float angle = tf.f[3] * float( AI_MATH_PI) / 180.0f;
+ aiVector3D axis( tf.f[0], tf.f[1], tf.f[2]);
+ aiMatrix4x4::Rotation( angle, axis, rot);
+ res *= rot;
+ break;
+ }
+ case TF_TRANSLATE:
+ {
+ aiMatrix4x4 trans;
+ aiMatrix4x4::Translation( aiVector3D( tf.f[0], tf.f[1], tf.f[2]), trans);
+ res *= trans;
+ break;
+ }
+ case TF_SCALE:
+ {
+ aiMatrix4x4 scale( tf.f[0], 0.0f, 0.0f, 0.0f, 0.0f, tf.f[1], 0.0f, 0.0f, 0.0f, 0.0f, tf.f[2], 0.0f,
+ 0.0f, 0.0f, 0.0f, 1.0f);
+ res *= scale;
+ break;
+ }
+ case TF_SKEW:
+ // TODO: (thom)
+ ai_assert( false);
+ break;
+ case TF_MATRIX:
+ {
+ aiMatrix4x4 mat( tf.f[0], tf.f[1], tf.f[2], tf.f[3], tf.f[4], tf.f[5], tf.f[6], tf.f[7],
+ tf.f[8], tf.f[9], tf.f[10], tf.f[11], tf.f[12], tf.f[13], tf.f[14], tf.f[15]);
+ res *= mat;
+ break;
+ }
+ default:
+ ai_assert( false);
+ break;
+ }
+ }
- return res;
+ return res;
}
// ------------------------------------------------------------------------------------------------
// Determines the input data type for the given semantic string
-Collada::InputType ColladaParser::GetTypeForSemantic( const std::string& pSemantic)
+Collada::InputType ColladaParser::GetTypeForSemantic( const std::string& semantic)
{
- if( pSemantic == "POSITION")
- return IT_Position;
- else if( pSemantic == "TEXCOORD")
- return IT_Texcoord;
- else if( pSemantic == "NORMAL")
- return IT_Normal;
- else if( pSemantic == "COLOR")
- return IT_Color;
- else if( pSemantic == "VERTEX")
- return IT_Vertex;
- else if( pSemantic == "BINORMAL" || pSemantic == "TEXBINORMAL")
- return IT_Bitangent;
- else if( pSemantic == "TANGENT" || pSemantic == "TEXTANGENT")
- return IT_Tangent;
-
- DefaultLogger::get()->warn( boost::str( boost::format( "Unknown vertex input type \"%s\". Ignoring.") % pSemantic));
- return IT_Invalid;
+ if ( semantic.empty() ) {
+ DefaultLogger::get()->warn( format() << "Vertex input type is empty." );
+ return IT_Invalid;
+ }
+
+ if( semantic == "POSITION")
+ return IT_Position;
+ else if( semantic == "TEXCOORD")
+ return IT_Texcoord;
+ else if( semantic == "NORMAL")
+ return IT_Normal;
+ else if( semantic == "COLOR")
+ return IT_Color;
+ else if( semantic == "VERTEX")
+ return IT_Vertex;
+ else if( semantic == "BINORMAL" || semantic == "TEXBINORMAL")
+ return IT_Bitangent;
+ else if( semantic == "TANGENT" || semantic == "TEXTANGENT")
+ return IT_Tangent;
+
+ DefaultLogger::get()->warn( format() << "Unknown vertex input type \"" << semantic << "\". Ignoring." );
+ return IT_Invalid;
}
#endif // !! ASSIMP_BUILD_NO_DAE_IMPORTER