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doxygen="_cgi:http://www.nevrax.org/cgi-bin/nel-search.cgi" href="http://www.nevrax.org/cgi-bin/nel-search.cgi">Search</a> </center> +<hr><h1>transform_shape.cpp</h1><a href="transform__shape_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001 +00007 <font class="comment">/* Copyright, 2000 Nevrax Ltd.</font> +00008 <font class="comment"> *</font> +00009 <font class="comment"> * This file is part of NEVRAX NEL.</font> +00010 <font class="comment"> * NEVRAX NEL is free software; you can redistribute it and/or modify</font> +00011 <font class="comment"> * it under the terms of the GNU General Public License as published by</font> +00012 <font class="comment"> * the Free Software Foundation; either version 2, or (at your option)</font> +00013 <font class="comment"> * any later version.</font> +00014 <font class="comment"></font> +00015 <font class="comment"> * NEVRAX NEL is distributed in the hope that it will be useful, but</font> +00016 <font class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</font> +00017 <font class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</font> +00018 <font class="comment"> * General Public License for more details.</font> +00019 <font class="comment"></font> +00020 <font class="comment"> * You should have received a copy of the GNU General Public License</font> +00021 <font class="comment"> * along with NEVRAX NEL; see the file COPYING. If not, write to the</font> +00022 <font class="comment"> * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,</font> +00023 <font class="comment"> * MA 02111-1307, USA.</font> +00024 <font class="comment"> */</font> +00025 +00026 <font class="preprocessor">#include "<a class="code" href="std3d_8h.html">std3d.h</a>"</font> +00027 +00028 <font class="preprocessor">#include "<a class="code" href="hierarchical__timer_8h.html">nel/misc/hierarchical_timer.h</a>"</font> +00029 <font class="preprocessor">#include "<a class="code" href="debug_8h.html">nel/misc/debug.h</a>"</font> +00030 <font class="preprocessor">#include "<a class="code" href="driver_8h.html">3d/driver.h</a>"</font> +00031 <font class="preprocessor">#include "<a class="code" href="transform__shape_8h.html">3d/transform_shape.h</a>"</font> +00032 <font class="preprocessor">#include "<a class="code" href="skeleton__model_8h.html">3d/skeleton_model.h</a>"</font> +00033 <font class="preprocessor">#include "<a class="code" href="mesh__base__instance_8h.html">3d/mesh_base_instance.h</a>"</font> +00034 <font class="preprocessor">#include "<a class="code" href="clip__trav_8h.html">3d/clip_trav.h</a>"</font> +00035 <font class="preprocessor">#include "<a class="code" href="render__trav_8h.html">3d/render_trav.h</a>"</font> +00036 <font class="preprocessor">#include "<a class="code" href="load__balancing__trav_8h.html">3d/load_balancing_trav.h</a>"</font> +00037 +<a name="l00038"></a><a class="code" href="transform__shape_8cpp.html#a0">00038</a> <font class="preprocessor">#define NL3D_MEM_INSTANCE NL_ALLOC_CONTEXT( 3dInst )</font> +00039 <font class="preprocessor"></font> +00040 <font class="keyword">using</font> <font class="keyword">namespace </font>NLMISC; +00041 +00042 +00043 <font class="keyword">namespace </font>NL3D +00044 { +00045 +00046 +00047 <font class="comment">// ***************************************************************************</font> +<a name="l00048"></a><a class="code" href="classNL3D_1_1CTransformShape.html#d0">00048</a> <font class="keywordtype">void</font> CTransformShape::registerBasic() +00049 { +00050 CMOT::registerModel(<a class="code" href="namespaceNL3D.html#a277">TransformShapeId</a>, <a class="code" href="namespaceNL3D.html#a276">TransformId</a>, CTransformShape::creator); +00051 CMOT::registerObs(<a class="code" href="namespaceNL3D.html#a25">ClipTravId</a>, <a class="code" href="namespaceNL3D.html#a277">TransformShapeId</a>, CTransformShapeClipObs::creator); +00052 CMOT::registerObs(<a class="code" href="namespaceNL3D.html#a232">RenderTravId</a>, <a class="code" href="namespaceNL3D.html#a277">TransformShapeId</a>, CTransformShapeRenderObs::creator); +00053 CMOT::registerObs(<a class="code" href="namespaceNL3D.html#a93">LoadBalancingTravId</a>, <a class="code" href="namespaceNL3D.html#a277">TransformShapeId</a>, CTransformShapeLoadBalancingObs::creator); +00054 } +00055 +00056 +00057 <font class="comment">// ***************************************************************************</font> +<a name="l00058"></a><a class="code" href="classNL3D_1_1CTransformShape.html#b0">00058</a> CTransformShape::CTransformShape() +00059 { +00060 <a class="code" href="classNL3D_1_1CTransformShape.html#o0">_NumTrianglesAfterLoadBalancing</a>= 100; +00061 <a class="code" href="classNL3D_1_1CTransformShape.html#o1">_CurrentLightContribution</a>= NULL; +00062 <a class="code" href="classNL3D_1_1CTransformShape.html#o2">_CurrentUseLocalAttenuation</a>= <font class="keyword">false</font>; +00063 <a class="code" href="classNL3D_1_1CTransformShape.html#o3">_DistMax</a> = -1.f; +00064 <font class="comment">// By default all transformShape are LoadBalancable</font> +00065 CTransform::setIsLoadbalancable(<font class="keyword">true</font>); +00066 +00067 <font class="comment">// The model is renderable</font> +00068 CTransform::setIsRenderable(<font class="keyword">true</font>); +00069 } +00070 +00071 +00072 <font class="comment">// ***************************************************************************</font> +<a name="l00073"></a><a class="code" href="classNL3D_1_1CTransformShape.html#z857_0">00073</a> <font class="keywordtype">float</font> CTransformShape::getNumTriangles (<font class="keywordtype">float</font> distance) +00074 { +00075 <font class="comment">// Call shape method</font> +00076 <font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CTransformShape.html#m0">Shape</a>->getNumTriangles (distance); +00077 } +00078 +00079 +00080 <font class="comment">// ***************************************************************************</font> +<a name="l00081"></a><a class="code" href="classNL3D_1_1CTransformShape.html#a0">00081</a> <font class="keywordtype">void</font> CTransformShape::getAABBox(<a class="code" href="classNLMISC_1_1CAABBox.html">NLMISC::CAABBox</a> &bbox)<font class="keyword"> const</font> +00082 <font class="keyword"></font>{ +00083 <font class="keywordflow">if</font>(Shape) +00084 { +00085 <a class="code" href="classNL3D_1_1CTransformShape.html#m0">Shape</a>->getAABBox(bbox); +00086 } +00087 <font class="keywordflow">else</font> +00088 { +00089 bbox.<a class="code" href="classNLMISC_1_1CAABBox.html#z263_0">setCenter</a>(CVector::Null); +00090 bbox.<a class="code" href="classNLMISC_1_1CAABBox.html#z263_1">setHalfSize</a>(CVector::Null); +00091 } +00092 } +00093 +00094 +00095 <font class="comment">// ***************************************************************************</font> +<a name="l00096"></a><a class="code" href="classNL3D_1_1CTransformShape.html#b2">00096</a> <font class="keywordtype">void</font> CTransformShape::setupCurrentLightContribution(CLightContribution *lightContrib, <font class="keywordtype">bool</font> useLocalAtt) +00097 { +00098 <a class="code" href="classNL3D_1_1CTransformShape.html#o1">_CurrentLightContribution</a>= lightContrib; +00099 <a class="code" href="classNL3D_1_1CTransformShape.html#o2">_CurrentUseLocalAttenuation</a>= useLocalAtt; +00100 } +00101 +00102 <font class="comment">// ***************************************************************************</font> +<a name="l00103"></a><a class="code" href="classNL3D_1_1CTransformShape.html#z858_0">00103</a> <font class="keywordtype">void</font> CTransformShape::changeLightSetup(CRenderTrav *rdrTrav) +00104 { +00105 <font class="comment">// setup the instance lighting.</font> +00106 rdrTrav->changeLightSetup(<a class="code" href="classNL3D_1_1CTransformShape.html#o1">_CurrentLightContribution</a>, <a class="code" href="classNL3D_1_1CTransformShape.html#o2">_CurrentUseLocalAttenuation</a>); +00107 } +00108 +00109 +00110 <font class="comment">// ***************************************************************************</font> +<a name="l00111"></a><a class="code" href="classNL3D_1_1CTransformShape.html#a1">00111</a> uint CTransformShape::getNumMaterial ()<font class="keyword"> const</font> +00112 <font class="keyword"></font>{ +00113 <font class="keywordflow">return</font> 0; +00114 } +00115 +00116 +00117 <font class="comment">// ***************************************************************************</font> +<a name="l00118"></a><a class="code" href="classNL3D_1_1CTransformShape.html#a2">00118</a> <font class="keyword">const</font> CMaterial *CTransformShape::getMaterial (uint materialId)<font class="keyword"> const</font> +00119 <font class="keyword"></font>{ +00120 <font class="keywordflow">return</font> NULL; +00121 } +00122 +00123 +00124 <font class="comment">// ***************************************************************************</font> +<a name="l00125"></a><a class="code" href="classNL3D_1_1CTransformShape.html#a3">00125</a> CMaterial *CTransformShape::getMaterial (uint materialId) +00126 { +00127 <font class="keywordflow">return</font> NULL; +00128 } +00129 +00130 +00131 <font class="comment">// ***************************************************************************</font> +<a name="l00132"></a><a class="code" href="classNL3D_1_1CTransformShapeClipObs.html#a0">00132</a> <font class="keywordtype">bool</font> CTransformShapeClipObs::clip(IBaseClipObs *caller) +00133 { +00134 CClipTrav *trav= (CClipTrav*)<a class="code" href="classNL3D_1_1IObs.html#m1">Trav</a>; +00135 CTransformShape *m= (CTransformShape*)<a class="code" href="classNL3D_1_1IObs.html#m0">Model</a>; +00136 +00137 <font class="comment">// reset</font> +00138 <a class="code" href="classNL3D_1_1CTransformShapeClipObs.html#o0">_ClipDueToDistMax</a>= <font class="keyword">false</font>; +00139 +00140 <font class="keywordflow">if</font>(m->Shape) +00141 { +00142 <font class="comment">// first test DistMax (faster).</font> +00143 <font class="keywordtype">float</font> maxDist = m->getDistMax(); +00144 <font class="comment">// if DistMax test enabled</font> +00145 <font class="keywordflow">if</font>(maxDist!=-1) +00146 { +00147 <font class="comment">// Calc the distance</font> +00148 <font class="keywordtype">float</font> sqrDist = (trav->CamPos - m->getMatrix().getPos()).sqrnorm (); +00149 maxDist*=maxDist; +00150 +00151 <font class="comment">// if dist > maxDist, skip</font> +00152 <font class="keywordflow">if</font> (sqrDist > maxDist) +00153 { +00154 <font class="comment">// flag this state</font> +00155 <a class="code" href="classNL3D_1_1CTransformShapeClipObs.html#o0">_ClipDueToDistMax</a>= <font class="keyword">true</font>; +00156 <font class="comment">// Ok, not shown</font> +00157 <font class="keywordflow">return</font> <font class="keyword">false</font>; +00158 } +00159 } +00160 +00161 <font class="comment">// Else finer clip with pyramid, only if needed</font> +00162 <font class="keywordflow">if</font>(trav->ForceNoFrustumClip) +00163 <font class="keywordflow">return</font> <font class="keyword">true</font>; +00164 <font class="keywordflow">else</font> +00165 <font class="keywordflow">return</font> m->Shape->clip(trav->WorldPyramid, <a class="code" href="classNL3D_1_1IBaseClipObs.html#m0">HrcObs</a>->WorldMatrix); +00166 } +00167 <font class="keywordflow">else</font> +00168 <font class="keywordflow">return</font> <font class="keyword">false</font>; +00169 } +00170 +00171 +00172 <font class="comment">// ***************************************************************************</font> +<a name="l00173"></a><a class="code" href="classNL3D_1_1CTransformShapeRenderObs.html#a0">00173</a> <font class="keywordtype">void</font> CTransformShapeRenderObs::traverse(IObs *caller) +00174 { +00175 <a class="code" href="transform__shape_8cpp.html#a0">NL3D_MEM_INSTANCE</a> +00176 <a class="code" href="hierarchical__timer_8h.html#a4">H_AUTO</a>( NL3D_TrShape_Render ); +00177 +00178 CTransformShape *m= (CTransformShape*)<a class="code" href="classNL3D_1_1IObs.html#m0">Model</a>; +00179 +00180 +00181 <font class="comment">// Compute the current lighting setup for this instance</font> +00182 <font class="comment">//===================</font> +00183 +00184 <font class="comment">// if the transform is lightable (ie not a fully lightmaped model), setup lighting</font> +00185 <font class="keywordflow">if</font>(m->isLightable()) +00186 { +00187 <font class="comment">// useLocalAttenuation for this shape ??</font> +00188 <font class="keywordflow">if</font>(m->Shape) +00189 m->_CurrentUseLocalAttenuation= m->Shape->useLightingLocalAttenuation (); +00190 <font class="keywordflow">else</font> +00191 m->_CurrentUseLocalAttenuation= <font class="keyword">false</font>; +00192 +00193 <font class="comment">// Get HrcObs.</font> +00194 CTransformHrcObs *hrcObs= (CTransformHrcObs*)<a class="code" href="classNL3D_1_1IBaseRenderObs.html#m0">HrcObs</a>; +00195 +00196 <font class="comment">// the std case is to take my model lightContribution</font> +00197 <font class="keywordflow">if</font>(hrcObs->_AncestorSkeletonModel==NULL) +00198 m->_CurrentLightContribution= &m->getLightContribution(); +00199 <font class="comment">// but if skinned/sticked (directly or not) to a skeleton, take its.</font> +00200 <font class="keywordflow">else</font> +00201 m->_CurrentLightContribution= &hrcObs->_AncestorSkeletonModel->getLightContribution(); +00202 } +00203 <font class="comment">// else must disable the lightSetup</font> +00204 <font class="keywordflow">else</font> +00205 { +00206 <font class="comment">// setting NULL will disable all lights</font> +00207 m->_CurrentLightContribution= NULL; +00208 m->_CurrentUseLocalAttenuation= <font class="keyword">false</font>; +00209 } +00210 +00211 +00212 <font class="comment">// render the shape.</font> +00213 <font class="comment">//=================</font> +00214 <font class="keywordflow">if</font>(m->Shape) +00215 { +00216 CRenderTrav *rdrTrav= (CRenderTrav*)<a class="code" href="classNL3D_1_1IObs.html#m1">Trav</a>; +00217 <font class="keywordtype">bool</font> currentPassOpaque= rdrTrav->isCurrentPassOpaque(); +00218 +00219 <font class="comment">// shape must be rendered in a CMeshBlockManager ??</font> +00220 <font class="keywordtype">float</font> polygonCount; +00221 IMeshGeom *meshGeom= NULL; +00222 <font class="comment">// true only if in pass opaque</font> +00223 <font class="keywordflow">if</font>( currentPassOpaque ) +00224 meshGeom= m->Shape->supportMeshBlockRendering(m, polygonCount); +00225 +00226 <font class="comment">// if ok, add the meshgeom to the block manager.</font> +00227 <font class="keywordflow">if</font>(meshGeom) +00228 { +00229 CMeshBaseInstance *inst= safe_cast<CMeshBaseInstance*>(m); +00230 rdrTrav->MeshBlockManager.addInstance(meshGeom, inst, polygonCount); +00231 } +00232 <font class="comment">// else render it.</font> +00233 <font class="keywordflow">else</font> +00234 { +00235 <font class="comment">// setup the lighting</font> +00236 m->changeLightSetup( rdrTrav ); +00237 +00238 <font class="comment">// render the shape.</font> +00239 IDriver *drv= rdrTrav->getDriver(); +00240 m->Shape->render( drv, m, currentPassOpaque ); +00241 } +00242 } +00243 } +00244 +00245 +00246 <font class="comment">// ***************************************************************************</font> +<a name="l00247"></a><a class="code" href="classNL3D_1_1CTransformShapeLoadBalancingObs.html#a0">00247</a> <font class="keywordtype">void</font> CTransformShapeLoadBalancingObs::traverse(IObs *caller) +00248 { +00249 CLoadBalancingTrav *loadTrav= (CLoadBalancingTrav*)<a class="code" href="classNL3D_1_1IObs.html#m1">Trav</a>; +00250 <font class="keywordflow">if</font>(loadTrav->getLoadPass()==0) +00251 <a class="code" href="classNL3D_1_1CTransformShapeLoadBalancingObs.html#b0">traversePass0</a>(); +00252 <font class="keywordflow">else</font> +00253 <a class="code" href="classNL3D_1_1CTransformShapeLoadBalancingObs.html#b1">traversePass1</a>(); +00254 +00255 <font class="comment">// There is no reason to do a hierarchy for LoadBalancing. => no traverseSons()</font> +00256 } +00257 +00258 +00259 +00260 <font class="comment">// ***************************************************************************</font> +<a name="l00261"></a><a class="code" href="classNL3D_1_1CTransformShapeLoadBalancingObs.html#b0">00261</a> <font class="keywordtype">void</font> CTransformShapeLoadBalancingObs::traversePass0() +00262 { +00263 CLoadBalancingTrav *loadTrav= (CLoadBalancingTrav*)<a class="code" href="classNL3D_1_1IObs.html#m1">Trav</a>; +00264 CTransformShape *trans= static_cast<CTransformShape*>(Model); +00265 CSkeletonModel *skeleton= trans->getSkeletonModel(); +00266 +00267 <font class="comment">// World Model position</font> +00268 <font class="keyword">const</font> CVector *modelPos; +00269 +00270 <font class="comment">// If this isntance is binded or skinned to a skeleton, take the world matrix of this one as</font> +00271 <font class="comment">// center for LoadBalancing Resolution.</font> +00272 <font class="keywordflow">if</font>(skeleton) +00273 { +00274 <font class="comment">// Take the root bone of the skeleton as reference (bone 0)</font> +00275 <font class="comment">// And so get our position.</font> +00276 modelPos= &skeleton->Bones[0].getWorldMatrix().getPos(); +00277 } +00278 <font class="keywordflow">else</font> +00279 { +00280 <font class="comment">// get our position from </font> +00281 modelPos= &<a class="code" href="classNL3D_1_1IBaseLoadBalancingObs.html#m0">HrcObs</a>->WorldMatrix.getPos(); +00282 } +00283 +00284 +00285 <font class="comment">// Then compute distance from camera.</font> +00286 <font class="keywordtype">float</font> modelDist= ( loadTrav->CamPos - *modelPos).norm(); +00287 +00288 +00289 <font class="comment">// Get the number of triangles this model use now.</font> +00290 <a class="code" href="classNL3D_1_1CTransformShapeLoadBalancingObs.html#n0">_FaceCount</a>= trans->getNumTriangles(modelDist); +00291 <a class="code" href="classNL3D_1_1IBaseLoadBalancingObs.html#m2">LoadBalancingGroup</a>->addNbFacesPass0(<a class="code" href="classNL3D_1_1CTransformShapeLoadBalancingObs.html#n0">_FaceCount</a>); +00292 } +00293 +00294 +00295 <font class="comment">// ***************************************************************************</font> +<a name="l00296"></a><a class="code" href="classNL3D_1_1CTransformShapeLoadBalancingObs.html#b1">00296</a> <font class="keywordtype">void</font> CTransformShapeLoadBalancingObs::traversePass1() +00297 { +00298 CTransformShape *trans= static_cast<CTransformShape*>(Model); +00299 +00300 +00301 <font class="comment">// Set the result into the isntance.</font> +00302 trans->_NumTrianglesAfterLoadBalancing= <a class="code" href="classNL3D_1_1IBaseLoadBalancingObs.html#m2">LoadBalancingGroup</a>->computeModelNbFace(<a class="code" href="classNL3D_1_1CTransformShapeLoadBalancingObs.html#n0">_FaceCount</a>); +00303 +00304 } +00305 +00306 +00307 } <font class="comment">// NL3D</font> +</pre></div> + +<!-- footer --> +<BR><FONT Size=+5> </FONT> +</TD> +<TD WIDTH=15><IMG SRC=http://www.nevrax.org/inc/img/pixel.gif WIDTH=15 HEIGHT=15 BORDER=0 ALT=""></TD> +</TR> +</TABLE> +</BODY> +</HTML> |