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00001 
+00007 /* Copyright, 2001 Nevrax Ltd.
+00008  *
+00009  * This file is part of NEVRAX NEL.
+00010  * NEVRAX NEL is free software; you can redistribute it and/or modify
+00011  * it under the terms of the GNU General Public License as published by
+00012  * the Free Software Foundation; either version 2, or (at your option)
+00013  * any later version.
+00014 
+00015  * NEVRAX NEL is distributed in the hope that it will be useful, but
+00016  * WITHOUT ANY WARRANTY; without even the implied warranty of
+00017  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+00018  * General Public License for more details.
+00019 
+00020  * You should have received a copy of the GNU General Public License
+00021  * along with NEVRAX NEL; see the file COPYING. If not, write to the
+00022  * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+00023  * MA 02111-1307, USA.
+00024  */
+00025 
+00026 #include "std3d.h"
+00027 
+00028 #include "3d/vegetable_blend_layer_model.h"
+00029 #include "3d/vegetable_manager.h"
+00030 #include "3d/vegetable_sort_block.h"
+00031 #include "3d/render_trav.h"
+00032 #include "3d/clip_trav.h"
+00033 #include "nel/misc/debug.h"
+00034 #include "nel/misc/hierarchical_timer.h"
+00035 
+00036 
+00037 using namespace NLMISC;
+00038 
+00039 namespace NL3D {
+00040 
+00041 
+00042 // ***************************************************************************
+00043 void    CVegetableBlendLayerModel::registerBasic()
+00044 {
+00045         CMOT::registerModel(VegetableBlendLayerModelId, TransformId, CVegetableBlendLayerModel::creator);
+00046         CMOT::registerObs(RenderTravId, VegetableBlendLayerModelId, CVegetableBlendLayerRenderObs::creator);
+00047         CMOT::registerObs(ClipTravId, VegetableBlendLayerModelId, CVegetableBlendLayerClipObs::creator);
+00048 }
+00049 
+00050 
+00051 // ***************************************************************************
+00052 CVegetableBlendLayerModel::CVegetableBlendLayerModel()
+00053 {
+00054         VegetableManager= NULL;
+00055 
+00056         // The model must always be renderer in transparency pass only.
+00057         setTransparency(true);
+00058         setOpacity(false);
+00059 
+00060         // The model is of course renderable
+00061         CTransform::setIsRenderable(true);
+00062 }
+00063 
+00064 
+00065 // ***************************************************************************
+00066 void    CVegetableBlendLayerModel::initModel()
+00067 {
+00068         CTransform::initModel();
+00069 
+00070         _HrcObs= safe_cast<CTransformHrcObs     *>(getObs(HrcTravId));
+00071 }
+00072 
+00073 
+00074 // ***************************************************************************
+00075 void    CVegetableBlendLayerModel::setWorldPos(const CVector &pos)
+00076 {
+00077         // setup directly in the hrcObs the local matrix.
+00078         _HrcObs->LocalMatrix.setPos(pos);
+00079 
+00080         // setup directly in the hrcObs the world matrix.
+00081         _HrcObs->WorldMatrix.setPos(pos);
+00082         
+00083 }
+00084 
+00085 
+00086 // ***************************************************************************
+00087 void    CVegetableBlendLayerModel::render(IDriver *driver)
+00088 {
+00089         H_AUTO( NL3D_Vegetable_Render );
+00090 
+00091         nlassert(VegetableManager);
+00092 
+00093         if(SortBlocks.size()==0)
+00094                 return;
+00095 
+00096         // Setup VegetableManager renderState (like pre-setuped material)
+00097         //==================
+00098         VegetableManager->setupRenderStateForBlendLayerModel(driver);
+00099 
+00100 
+00101         // Render SortBlocks of this layer
+00102         //==================
+00103         uint    rdrPass= NL3D_VEGETABLE_RDRPASS_UNLIT_2SIDED_ZSORT;
+00104 
+00105         // first time, activate the hard VB.
+00106         bool    precVBHardMode= true;
+00107         CVegetableVBAllocator   *vbAllocator= &VegetableManager->getVBAllocatorForRdrPassAndVBHardMode(rdrPass, 1);
+00108         vbAllocator->activate();
+00109 
+00110         // profile
+00111         CPrimitiveProfile       ppIn, ppOut;
+00112         driver->profileRenderedPrimitives(ppIn, ppOut);
+00113         uint    precNTriRdr= ppOut.NTriangles;
+00114 
+00115         // render from back to front the list setuped in CVegetableManager::render()
+00116         for(uint i=0; i<SortBlocks.size();i++)
+00117         {
+00118                 CVegetableSortBlock     *ptrSortBlock= SortBlocks[i];
+00119 
+00120                 // change of VertexBuffer (soft / hard) if needed.
+00121                 if(ptrSortBlock->ZSortHardMode != precVBHardMode)
+00122                 {
+00123                         // setup new VB for hardMode.
+00124                         CVegetableVBAllocator   *vbAllocator= &VegetableManager->getVBAllocatorForRdrPassAndVBHardMode(rdrPass, ptrSortBlock->ZSortHardMode);
+00125                         vbAllocator->activate();
+00126                         // prec.
+00127                         precVBHardMode= ptrSortBlock->ZSortHardMode;
+00128                 }
+00129 
+00130                 // render him. we are sure that size > 0, because tested before.
+00131                 driver->renderSimpleTriangles(
+00132                         ptrSortBlock->_SortedTriangleIndices[ptrSortBlock->_QuadrantId], 
+00133                         ptrSortBlock->_NTriangles);
+00134         }
+00135 
+00136         // add number of triangles rendered with vegetable manager.
+00137         driver->profileRenderedPrimitives(ppIn, ppOut);
+00138         VegetableManager->_NumVegetableFaceRendered+= ppOut.NTriangles-precNTriRdr;
+00139 
+00140 
+00141         // refresh list now!
+00142         // We must do it here, because if CVegetableManager::render() is no more called (eg: disabled),
+00143         // then the blend layers models must do nothing.
+00144         SortBlocks.clear();
+00145 
+00146 
+00147         // Reset RenderState.
+00148         //==================
+00149         VegetableManager->exitRenderStateForBlendLayerModel(driver);
+00150 
+00151 }
+00152 
+00153 
+00154 // ***************************************************************************
+00155 void    CVegetableBlendLayerRenderObs::traverse(IObs *caller)
+00156 {
+00157         CRenderTrav             *rTrav= safe_cast<CRenderTrav*>(Trav);
+00158         safe_cast<CVegetableBlendLayerModel*>(Model)->render(rTrav->getDriver());
+00159 }
+00160 
+00161 
+00162 } // NL3D
+
vegetable_blend_layer_model.cpp
