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authorneodarz <neodarz@neodarz.net>2018-08-11 20:21:34 +0200
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+<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>-&gt;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> &amp;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>-&gt;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-&gt;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-&gt;Shape)
+00141 {
+00142 <font class="comment">// first test DistMax (faster).</font>
+00143 <font class="keywordtype">float</font> maxDist = m-&gt;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-&gt;CamPos - m-&gt;getMatrix().getPos()).sqrnorm ();
+00149 maxDist*=maxDist;
+00150
+00151 <font class="comment">// if dist &gt; maxDist, skip</font>
+00152 <font class="keywordflow">if</font> (sqrDist &gt; 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-&gt;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-&gt;Shape-&gt;clip(trav-&gt;WorldPyramid, <a class="code" href="classNL3D_1_1IBaseClipObs.html#m0">HrcObs</a>-&gt;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-&gt;isLightable())
+00186 {
+00187 <font class="comment">// useLocalAttenuation for this shape ??</font>
+00188 <font class="keywordflow">if</font>(m-&gt;Shape)
+00189 m-&gt;_CurrentUseLocalAttenuation= m-&gt;Shape-&gt;useLightingLocalAttenuation ();
+00190 <font class="keywordflow">else</font>
+00191 m-&gt;_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-&gt;_AncestorSkeletonModel==NULL)
+00198 m-&gt;_CurrentLightContribution= &amp;m-&gt;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-&gt;_CurrentLightContribution= &amp;hrcObs-&gt;_AncestorSkeletonModel-&gt;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-&gt;_CurrentLightContribution= NULL;
+00208 m-&gt;_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-&gt;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-&gt;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-&gt;Shape-&gt;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&lt;CMeshBaseInstance*&gt;(m);
+00230 rdrTrav-&gt;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-&gt;changeLightSetup( rdrTrav );
+00237
+00238 <font class="comment">// render the shape.</font>
+00239 IDriver *drv= rdrTrav-&gt;getDriver();
+00240 m-&gt;Shape-&gt;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-&gt;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. =&gt; 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&lt;CTransformShape*&gt;(Model);
+00265 CSkeletonModel *skeleton= trans-&gt;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= &amp;skeleton-&gt;Bones[0].getWorldMatrix().getPos();
+00277 }
+00278 <font class="keywordflow">else</font>
+00279 {
+00280 <font class="comment">// get our position from </font>
+00281 modelPos= &amp;<a class="code" href="classNL3D_1_1IBaseLoadBalancingObs.html#m0">HrcObs</a>-&gt;WorldMatrix.getPos();
+00282 }
+00283
+00284
+00285 <font class="comment">// Then compute distance from camera.</font>
+00286 <font class="keywordtype">float</font> modelDist= ( loadTrav-&gt;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-&gt;getNumTriangles(modelDist);
+00291 <a class="code" href="classNL3D_1_1IBaseLoadBalancingObs.html#m2">LoadBalancingGroup</a>-&gt;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&lt;CTransformShape*&gt;(Model);
+00299
+00300
+00301 <font class="comment">// Set the result into the isntance.</font>
+00302 trans-&gt;_NumTrianglesAfterLoadBalancing= <a class="code" href="classNL3D_1_1IBaseLoadBalancingObs.html#m2">LoadBalancingGroup</a>-&gt;computeModelNbFace(<a class="code" href="classNL3D_1_1CTransformShapeLoadBalancingObs.html#n0">_FaceCount</a>);
+00303
+00304 }
+00305
+00306
+00307 } <font class="comment">// NL3D</font>
+</pre></div>
+
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