khanat-opennel-code/code/nel/src/3d/mesh_base_instance.cpp

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2010-05-06 00:08:41 +00:00
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
// Copyright (C) 2010 Winch Gate Property Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
#include "std3d.h"
#include "nel/3d/mesh_base_instance.h"
#include "nel/3d/mesh_base.h"
#include "nel/3d/scene.h"
#include "nel/3d/animation.h"
#include "nel/misc/debug.h"
#include "nel/3d/anim_detail_trav.h"
#include "nel/3d/texture_file.h"
#include "nel/3d/async_texture_manager.h"
#include <limits>
using namespace NLMISC;
namespace NL3D
{
// ***************************************************************************
CMeshBaseInstance::CMeshBaseInstance()
{
IAnimatable::resize(AnimValueLast);
_AsyncTextureToLoadRefCount= 0;
_AsyncTextureMode= false;
_AsyncTextureReady= true;
_AsyncTextureDirty= false;
_AsyncTextureDistance= 0;
_VPWindTreeFixed = false;
// I am a CMeshBaseInstance!!
CTransform::setIsMeshBaseInstance(true);
}
// ***************************************************************************
CMeshBaseInstance::~CMeshBaseInstance()
{
// If AsyncTextureMode, must disable. This ensure that async loading stop, and that no ref still exist
// in the AsyncTextureManager
if(_AsyncTextureMode)
enableAsyncTextureMode(false);
}
// ***************************************************************************
void CMeshBaseInstance::registerBasic()
{
CScene::registerModel(MeshBaseInstanceId, TransformShapeId, CMeshBaseInstance::creator);
}
// ***************************************************************************
void CMeshBaseInstance::registerToChannelMixer(CChannelMixer *chanMixer, const std::string &prefix)
{
uint32 i;
CTransformShape::registerToChannelMixer(chanMixer, prefix);
// Add any materials.
for (i = 0; i < _AnimatedMaterials.size(); i++)
{
// append material matname.*
_AnimatedMaterials[i].registerToChannelMixer(chanMixer, prefix + _AnimatedMaterials[i].getMaterialName() + ".");
}
// Add any morph
for (i = 0; i < _AnimatedMorphFactor.size(); i++)
{
_AnimatedMorphFactor[i].registerToChannelMixer(chanMixer, prefix + _AnimatedMorphFactor[i].getName());
}
}
// ***************************************************************************
ITrack* CMeshBaseInstance::getDefaultTrack (uint valueId)
{
// Pointer on the CMeshBase
CMeshBase* pMesh=(CMeshBase*)(IShape*)Shape;
// Switch the value
switch (valueId)
{
case CTransform::PosValue:
return pMesh->getDefaultPos();
case CTransform::RotEulerValue:
return pMesh->getDefaultRotEuler();
case CTransform::RotQuatValue:
return pMesh->getDefaultRotQuat();
case CTransform::ScaleValue:
return pMesh->getDefaultScale();
case CTransform::PivotValue:
return pMesh->getDefaultPivot();
default:
// Problem, new values ?
nlstop;
};
return NULL;
}
// ***************************************************************************
uint32 CMeshBaseInstance::getNbLightMap()
{
CMeshBase* pMesh=(CMeshBase*)(IShape*)Shape;
return (uint32)pMesh->_LightInfos.size();
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}
// ***************************************************************************
void CMeshBaseInstance::getLightMapName( uint32 nLightMapNb, std::string &LightMapName )
{
CMeshBase* pMesh=(CMeshBase*)(IShape*)Shape;
if( nLightMapNb >= pMesh->_LightInfos.size() )
return;
LightMapName = pMesh->_LightInfos[nLightMapNb].AnimatedLight;
}
// ***************************************************************************
uint32 CMeshBaseInstance::getNbBlendShape()
{
return (uint32)_AnimatedMorphFactor.size();
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}
// ***************************************************************************
void CMeshBaseInstance::getBlendShapeName (uint32 nBlendShapeNb, std::string &BlendShapeName )
{
if (nBlendShapeNb >= _AnimatedMorphFactor.size())
return;
BlendShapeName = _AnimatedMorphFactor[nBlendShapeNb].getName();
}
// ***************************************************************************
void CMeshBaseInstance::setBlendShapeFactor (const std::string &BlendShapeName, float rFactor)
{
for (uint32 i = 0; i < _AnimatedMorphFactor.size(); ++i)
if (BlendShapeName == _AnimatedMorphFactor[i].getName())
{
_AnimatedMorphFactor[i].setFactor (rFactor);
}
}
// ***************************************************************************
void CMeshBaseInstance::traverseHrc()
{
CMeshBase *mb = NLMISC::safe_cast<CMeshBase *>((IShape *) Shape);
// if the base instance uses automatic animations, we must also setup the date of the channel mixer controlling this object
if (mb->getAutoAnim())
{
// Unfreeze HRC for those models
CTransform *node = this;
while (node)
{
node->unfreezeHRC();
node = node->hrcGetParent();
}
// setup the channel mixer date
CChannelMixer *chanMix = getChannelMixer();
if (chanMix)
{
const CAnimation *anim = chanMix->getSlotAnimation(0);
/** We perform wrapping ourselves.
* We avoid using a playlist, to not create one more obj.
*/
if (anim)
{
// Animation offset are setuped before clipping, they will be used for detail too.
float animLength = anim->getEndTime() - anim->getBeginTime();
if (animLength > 0)
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{
float currTime = (TAnimationTime) getOwnerScene()->getCurrentTime();
float startTime = (uint) (currTime / animLength) * animLength;
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// Set the channel mixer date using the global date of the scene
chanMix->setSlotTime(0, anim->getBeginTime() + currTime - startTime);
}
else
{
chanMix->setSlotTime(0, anim->getBeginTime());
}
/** Eval non detail animation
*/
chanMix->eval(false);
}
}
}
CTransformShape::traverseHrc();
}
// ***************************************************************************
void CMeshBaseInstance::traverseAnimDetail()
{
CMeshBase *mb = NLMISC::safe_cast<CMeshBase *>((IShape *) Shape);
CTransformShape::traverseAnimDetail();
// update animated materials.
// test if animated materials must be updated.
if(IAnimatable::isTouched(CMeshBaseInstance::OwnerBit))
{
// must test / update all AnimatedMaterials.
for(uint i=0;i<_AnimatedMaterials.size();i++)
{
// This test and update the pointed material.
_AnimatedMaterials[i].update();
}
IAnimatable::clearFlag(CMeshBaseInstance::OwnerBit);
}
// Lightmap automatic animation
// Animated lightmap must have the same size than shape info lightmap.
const uint count0 = (uint)_AnimatedLightmap.size();
const uint count1 = (uint)mb->_LightInfos.size ();
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nlassert (count0 == count1);
if (count0 == count1)
{
for ( uint i = 0; i < count0; ++i )
{
CMeshBase::CLightMapInfoList &groupInfo = mb->_LightInfos[i];
std::list<CMeshBase::CLightMapInfoList::CMatStage>::iterator ite = groupInfo.StageList.begin ();
while (ite != groupInfo.StageList.end ())
{
sint animatedLightmap = _AnimatedLightmap[i];
if (animatedLightmap != -1)
{
CRGBA factor = getOwnerScene ()->getAnimatedLightFactor (animatedLightmap, groupInfo.LightGroup);
Materials[ite->MatId].setLightMapFactor ( ite->StageId, factor );
}
else
{
CRGBA factor = getOwnerScene ()->getLightmapGroupColor (groupInfo.LightGroup);
Materials[ite->MatId].setLightMapFactor ( ite->StageId, factor );
}
ite++;
}
}
}
}
// ***************************************************************************
void CMeshBaseInstance::selectTextureSet(uint id)
{
nlassert(Shape);
CMeshBase *mb = NLMISC::safe_cast<CMeshBase *>((IShape *) Shape);
const uint numMat = mb->getNbMaterial();
nlassert(numMat == Materials.size());
// see which material are selectable
for(uint k = 0; k < numMat; ++k)
{
CMaterial &mat = mb->getMaterial(k);
for(uint l = 0; l < IDRV_MAT_MAXTEXTURES; ++l)
{
if (mat.getTexture(uint8(l)) && mat.getTexture(uint8(l))->isSelectable())
{
// use a smartPtr so the textFile will be released if just used to set the name for AsyncTextures.
CSmartPtr<ITexture> texNSV= mat.getTexture(uint8(l))->buildNonSelectableVersion(id);
// std case: just replace the texture.
if(!_AsyncTextureMode)
{
Materials[k].setTexture(uint8(l), texNSV);
}
// Async case
else
{
// If texture file, must copy the texture name
if(AsyncTextures[k].IsTextureFile[l])
{
CTextureFile *textFile= safe_cast<CTextureFile*>((ITexture*)texNSV);
AsyncTextures[k].TextureNames[l]= textFile->getFileName();
}
// else replace the texture.
else
Materials[k].setTexture(uint8(l), texNSV);
}
}
}
}
// Flag the instance as AsyncTextureDirty if in this mode
if(_AsyncTextureMode)
{
setAsyncTextureDirty(true);
}
}
// ***************************************************************************
void CMeshBaseInstance::initAnimatedLightIndex (const CScene &scene)
{
/* Scan lightmaps used by the shape, and for each, bind the transform shape to an
* animated lightmap index from the scene. This index will be used at runtime to
* get quickly a lightmap factor. This index is not set in the CShape because
* the CShape can be used with several CScene.
*/
// For each lightmap in the shape
CMeshBase *pMB = static_cast<CMeshBase*> (static_cast<IShape*> (Shape));
const uint count = (uint)pMB->_LightInfos.size ();
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uint i;
// Resize the index array
_AnimatedLightmap.resize (count);
for (i=0; i<count; i++)
{
// The light info
CMeshBase::CLightMapInfoList &lightInfo = pMB->_LightInfos[i];
// Get the lightmap info
_AnimatedLightmap[i] = scene.getAnimatedLightNameToIndex (lightInfo.AnimatedLight);
}
// Must be traversed in AnimDetail, even if no channel mixer registered
CTransform::setIsForceAnimDetail (count != 0);
}
// ***************************************************************************
uint CMeshBaseInstance::getNumMaterial () const
{
return (uint)Materials.size ();
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}
// ***************************************************************************
const CMaterial *CMeshBaseInstance::getMaterial (uint materialId) const
{
return &(Materials[materialId]);
}
// ***************************************************************************
CMaterial *CMeshBaseInstance::getMaterial (uint materialId)
{
return &(Materials[materialId]);
}
// ***************************************************************************
bool CMeshBaseInstance::fastIntersect(const NLMISC::CVector &p0, const NLMISC::CVector &dir, float &dist2D, float &distZ, bool computeDist2D)
{
if(!Shape || !supportFastIntersect())
return false;
// Use the system geometry to test the intersection
CMeshBase *pMB = static_cast<CMeshBase*> (static_cast<IShape*> (Shape));
return pMB->getSystemGeometry().fastIntersect(getWorldMatrix(), p0, dir, dist2D, distZ, computeDist2D);
}
// ***************************************************************************
// ***************************************************************************
// Async texture loading
// ***************************************************************************
// ***************************************************************************
// ***************************************************************************
void CMeshBaseInstance::enableAsyncTextureMode(bool enable)
{
// if same, no-op.
if(_AsyncTextureMode==enable)
return;
_AsyncTextureMode= enable;
// if comes to async texture mode, must prepare AsyncTexturing
if(_AsyncTextureMode)
{
_AsyncTextureReady= true;
// For all TextureFiles in material
for(uint i=0;i<Materials.size();i++)
{
for(uint stage=0;stage<IDRV_MAT_MAXTEXTURES;stage++)
{
// test if really a CTextureFile
CTextureFile *text= dynamic_cast<CTextureFile*>(Materials[i].getTexture(uint8(stage)));
if(text)
{
// Must setup the AsyncTextures
AsyncTextures[i].IsTextureFile[stage]= true;
AsyncTextures[i].TextureNames[stage]= text->getFileName();
AsyncTextures[i].TextIds[stage]= std::numeric_limits<uint>::max();
// Now, must copy the textureFile, to Avoid writing in CMeshBase TextureFile descriptor !!!
CTextureFile *tf = new CTextureFile(*text);
// setup a dummy texture => Instance won't block rendering because texture not yet ready
tf->setFileName("blank.tga");
Materials[i].setTexture(uint8(stage), tf);
}
else
{
AsyncTextures[i].IsTextureFile[stage]= false;
}
}
}
// For convenience, flag the instance as Dirty.
setAsyncTextureDirty(true);
}
// else, AsyncTextureMode disabled
else
{
// first, must stop and release all textures in the async manager.
releaseCurrentAsyncTextures();
nlassert(_AsyncTextureToLoadRefCount==0);
// clear the array => ensure good work if enableAsyncTextureMode(true) is made later
contReset(_CurrentAsyncTextures);
// For all TextureFiles in material, copy User setup from AsyncTextures, to real fileName
for(uint i=0;i<Materials.size();i++)
{
for(uint stage=0;stage<IDRV_MAT_MAXTEXTURES;stage++)
{
// if an async texture file
if(AsyncTextures[i].IsTextureFile[stage])
{
// copy the texture name into the texture file.
CTextureFile *text= safe_cast<CTextureFile*>(Materials[i].getTexture(uint8(stage)));
text->setFileName(AsyncTextures[i].TextureNames[stage]);
// clear string space
AsyncTextures[i].TextureNames[stage].clear();
}
}
}
}
}
// ***************************************************************************
void CMeshBaseInstance::startAsyncTextureLoading(const NLMISC::CVector &position)
{
if(!getAsyncTextureMode())
return;
// If the async texutre manager is not setuped in the scene, abort.
CAsyncTextureManager *asyncTextMgr= getOwnerScene()->getAsyncTextureManager();
if(!asyncTextMgr)
return;
uint i;
/* for all new texture names to load, add them to the manager
NB: done first before release because of RefCount Management (in case of same texture name).
*/
for(i=0;i<AsyncTextures.size();i++)
{
for(uint stage=0;stage<IDRV_MAT_MAXTEXTURES;stage++)
{
if(AsyncTextures[i].IsTextureFile[stage])
{
uint id;
id= asyncTextMgr->addTextureRef(AsyncTextures[i].TextureNames[stage], this, position);
AsyncTextures[i].TextIds[stage]= id;
}
}
}
/* For all old textures (0 for the first time...), release them.
*/
releaseCurrentAsyncTextures();
// OK! bkup the setup
_CurrentAsyncTextures= AsyncTextures;
// texture async is not ready.
_AsyncTextureReady= false;
}
// ***************************************************************************
void CMeshBaseInstance::releaseCurrentAsyncTextures()
{
// If the async texutre manager is not setuped in the scene, abort.
CAsyncTextureManager *asyncTextMgr= getOwnerScene()->getAsyncTextureManager();
if(!asyncTextMgr)
return;
// release all texture in the manager
for(uint i=0;i<_CurrentAsyncTextures.size();i++)
{
for(uint stage=0;stage<IDRV_MAT_MAXTEXTURES;stage++)
{
if(_CurrentAsyncTextures[i].IsTextureFile[stage])
{
asyncTextMgr->releaseTexture(_CurrentAsyncTextures[i].TextIds[stage], this);
}
}
}
}
// ***************************************************************************
bool CMeshBaseInstance::isAsyncTextureReady()
{
// if ok, just quit
if(_AsyncTextureReady)
return true;
// test if async loading ended
if(_AsyncTextureToLoadRefCount==0)
{
// must copy all fileNames into the actual Texture Files. Those are the valid ones now!
for(uint i=0;i<_CurrentAsyncTextures.size();i++)
{
for(uint stage=0;stage<IDRV_MAT_MAXTEXTURES;stage++)
{
if(_CurrentAsyncTextures[i].IsTextureFile[stage])
{
// copy the texture name into the texture file.
CTextureFile *text= safe_cast<CTextureFile*>(Materials[i].getTexture(uint8(stage)));
// Since the texture is really uploaded in the driver, the true driver Texture Id will
// be bound to this texture.
text->setFileName(_CurrentAsyncTextures[i].TextureNames[stage]);
/* Since driver setup will only occurs when object become visible, it is a good idea to release
Old driver info, because it may points to old driver texture data (eg: old shared textureFile).
thus doing so release VRAM Texture Memory
*/
text->releaseDriverSetup();
}
}
}
// Ok, we are now ready.
_AsyncTextureReady= true;
return true;
}
else
return false;
}
// ***************************************************************************
sint CMeshBaseInstance::getAsyncTextureId(uint matId, uint stage) const
{
if(matId>=_CurrentAsyncTextures.size())
return -1;
if(!_CurrentAsyncTextures[matId].isTextureFile(stage))
return -1;
return _CurrentAsyncTextures[matId].TextIds[stage];
}
} // NL3D