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authorneodarz <neodarz@neodarz.net>2018-08-11 20:21:34 +0200
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+<hr><h1>bone.cpp</h1><a href="bone_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001
+00007 <font class="comment">/* Copyright, 2001 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="bone_8h.html">3d/bone.h</a>"</font>
+00029
+00030
+00031 <font class="keyword">namespace </font>NL3D
+00032 {
+00033
+00034
+00035 <font class="comment">// ***************************************************************************</font>
+00036 <font class="comment">// ***************************************************************************</font>
+00037 <font class="comment">// CBoneBase</font>
+00038 <font class="comment">// ***************************************************************************</font>
+00039 <font class="comment">// ***************************************************************************</font>
+00040
+00041
+00042 <font class="comment">// ***************************************************************************</font>
+<a name="l00043"></a><a class="code" href="classNL3D_1_1CBoneBase.html#a0">00043</a> CBoneBase::CBoneBase() : DefaultPos(CVector(0,0,0)), DefaultRotEuler(CVector(0,0,0)),
+00044 DefaultScale(CVector(1,1,1)), DefaultPivot(CVector(0,0,0))
+00045 {
+00046 <a class="code" href="classNL3D_1_1CBoneBase.html#m2">FatherId</a>= -1;
+00047 <a class="code" href="classNL3D_1_1CBoneBase.html#m3">UnheritScale</a>= <font class="keyword">true</font>;
+00048 <font class="comment">// Default: never disable.</font>
+00049 <a class="code" href="classNL3D_1_1CBoneBase.html#m9">LodDisableDistance</a>= 0.f;
+00050 }
+00051
+00052
+00053 <font class="comment">// ***************************************************************************</font>
+<a name="l00054"></a><a class="code" href="classNL3D_1_1CBoneBase.html#a1">00054</a> <font class="keywordtype">void</font> CBoneBase::serial(<a class="code" href="classNLMISC_1_1IStream.html">NLMISC::IStream</a> &amp;f)
+00055 {
+00056 <font class="comment">/*</font>
+00057 <font class="comment"> Version 1:</font>
+00058 <font class="comment"> - LodDisableDistance</font>
+00059 <font class="comment"> */</font>
+00060 sint ver= f.<a class="code" href="classNLMISC_1_1IStream.html#a29">serialVersion</a>(1);
+00061
+00062 f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(<a class="code" href="classNL3D_1_1CBoneBase.html#m0">Name</a>);
+00063 f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(<a class="code" href="classNL3D_1_1CBoneBase.html#m1">InvBindPos</a>);
+00064 f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(<a class="code" href="classNL3D_1_1CBoneBase.html#m2">FatherId</a>);
+00065 f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(<a class="code" href="classNL3D_1_1CBoneBase.html#m3">UnheritScale</a>);
+00066
+00067 <font class="keywordflow">if</font>(ver&gt;=1)
+00068 f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(<a class="code" href="classNL3D_1_1CBoneBase.html#m9">LodDisableDistance</a>);
+00069 <font class="keywordflow">else</font>
+00070 {
+00071 <font class="comment">// Default: never disable.</font>
+00072 <a class="code" href="classNL3D_1_1CBoneBase.html#m9">LodDisableDistance</a>= 0.f;
+00073 }
+00074
+00075 f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(<a class="code" href="classNL3D_1_1CBoneBase.html#m4">DefaultPos</a>);
+00076 f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(<a class="code" href="classNL3D_1_1CBoneBase.html#m5">DefaultRotEuler</a>);
+00077 f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(<a class="code" href="classNL3D_1_1CBoneBase.html#m6">DefaultRotQuat</a>);
+00078 f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(<a class="code" href="classNL3D_1_1CBoneBase.html#m7">DefaultScale</a>);
+00079 f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(<a class="code" href="classNL3D_1_1CBoneBase.html#m8">DefaultPivot</a>);
+00080 }
+00081
+00082
+00083 <font class="comment">// ***************************************************************************</font>
+00084 <font class="comment">// ***************************************************************************</font>
+00085 <font class="comment">// CBone</font>
+00086 <font class="comment">// ***************************************************************************</font>
+00087 <font class="comment">// ***************************************************************************</font>
+00088
+00089
+00090 <font class="comment">// ***************************************************************************</font>
+<a name="l00091"></a><a class="code" href="classNL3D_1_1CBone.html#a0">00091</a> CBone::CBone(CBoneBase *boneBase)
+00092 {
+00093 <a class="code" href="debug_8h.html#a6">nlassert</a>(boneBase);
+00094 <a class="code" href="classNL3D_1_1CBone.html#o0">_BoneBase</a>= boneBase;
+00095
+00096 <font class="comment">// IAnimatable.</font>
+00097 IAnimatable::resize(<a class="code" href="classNL3D_1_1ITransformable.html#z872_0s10">AnimValueLast</a>);
+00098
+00099 ITransformable::setTransformMode(ITransformable::RotQuat);
+00100 ITransformable::setPos( ((<a class="code" href="namespaceNL3D.html#a14">CAnimatedValueVector</a>&amp;)<a class="code" href="classNL3D_1_1CBone.html#o0">_BoneBase</a>-&gt;DefaultPos.getValue()).Value );
+00101 ITransformable::setRotQuat( ((<a class="code" href="namespaceNL3D.html#a16">CAnimatedValueQuat</a>&amp;)<a class="code" href="classNL3D_1_1CBone.html#o0">_BoneBase</a>-&gt;DefaultRotQuat.getValue()).Value );
+00102 ITransformable::setScale( ((<a class="code" href="namespaceNL3D.html#a14">CAnimatedValueVector</a>&amp;)<a class="code" href="classNL3D_1_1CBone.html#o0">_BoneBase</a>-&gt;DefaultScale.getValue()).Value );
+00103 ITransformable::setPivot( ((<a class="code" href="namespaceNL3D.html#a14">CAnimatedValueVector</a>&amp;)<a class="code" href="classNL3D_1_1CBone.html#o0">_BoneBase</a>-&gt;DefaultPivot.getValue()).Value );
+00104
+00105 <font class="comment">// By default, the bone is not binded to a channelMixer.</font>
+00106 <a class="code" href="classNL3D_1_1CBone.html#o4">_PosChannelId</a>= -1;
+00107 <a class="code" href="classNL3D_1_1CBone.html#o5">_RotEulerChannelId</a>= -1;
+00108 <a class="code" href="classNL3D_1_1CBone.html#o6">_RotQuatChannelId</a>= -1;
+00109 <a class="code" href="classNL3D_1_1CBone.html#o7">_ScaleChannelId</a>= -1;
+00110 <a class="code" href="classNL3D_1_1CBone.html#o8">_PivotChannelId</a>= -1;
+00111 }
+00112
+00113 <font class="comment">// ***************************************************************************</font>
+<a name="l00114"></a><a class="code" href="classNL3D_1_1CBone.html#z387_0">00114</a> ITrack* CBone::getDefaultTrack (uint valueId)
+00115 {
+00116 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CBone.html#o0">_BoneBase</a>);
+00117
+00118 <font class="comment">// what value ?</font>
+00119 <font class="keywordflow">switch</font> (valueId)
+00120 {
+00121 <font class="keywordflow">case</font> <a class="code" href="classNL3D_1_1ITransformable.html#z872_0s5">PosValue</a>: <font class="keywordflow">return</font> &amp;<a class="code" href="classNL3D_1_1CBone.html#o0">_BoneBase</a>-&gt;DefaultPos;
+00122 <font class="keywordflow">case</font> <a class="code" href="classNL3D_1_1ITransformable.html#z872_0s6">RotEulerValue</a>: <font class="keywordflow">return</font> &amp;<a class="code" href="classNL3D_1_1CBone.html#o0">_BoneBase</a>-&gt;DefaultRotEuler;
+00123 <font class="keywordflow">case</font> <a class="code" href="classNL3D_1_1ITransformable.html#z872_0s7">RotQuatValue</a>: <font class="keywordflow">return</font> &amp;<a class="code" href="classNL3D_1_1CBone.html#o0">_BoneBase</a>-&gt;DefaultRotQuat;
+00124 <font class="keywordflow">case</font> <a class="code" href="classNL3D_1_1ITransformable.html#z872_0s8">ScaleValue</a>: <font class="keywordflow">return</font> &amp;<a class="code" href="classNL3D_1_1CBone.html#o0">_BoneBase</a>-&gt;DefaultScale;
+00125 <font class="keywordflow">case</font> <a class="code" href="classNL3D_1_1ITransformable.html#z872_0s9">PivotValue</a>: <font class="keywordflow">return</font> &amp;<a class="code" href="classNL3D_1_1CBone.html#o0">_BoneBase</a>-&gt;DefaultPivot;
+00126 }
+00127
+00128 <font class="comment">// No, only ITrnasformable values!</font>
+00129 <a class="code" href="debug_8h.html#a12">nlstop</a>;
+00130 <font class="comment">// Deriver note: else call BaseClass::getDefaultTrack(valueId);</font>
+00131
+00132 <font class="keywordflow">return</font> NULL;
+00133 }
+00134
+00135 <font class="comment">// ***************************************************************************</font>
+<a name="l00136"></a><a class="code" href="classNL3D_1_1CBone.html#z387_1">00136</a> <font class="keywordtype">void</font> CBone::registerToChannelMixer(CChannelMixer *chanMixer, <font class="keyword">const</font> std::string &amp;prefix)
+00137 {
+00138 <font class="comment">// For CBone, channels are detailled.</font>
+00139 <font class="comment">// Bkup each channelId (for disable).</font>
+00140 <a class="code" href="classNL3D_1_1CBone.html#o4">_PosChannelId</a>= <a class="code" href="classNL3D_1_1IAnimatable.html#b0">addValue</a>(chanMixer, <a class="code" href="classNL3D_1_1ITransformable.html#z872_0s5">PosValue</a>, <a class="code" href="classNL3D_1_1ITransformable.html#z872_0s4">OwnerBit</a>, prefix, <font class="keyword">true</font>);
+00141 <a class="code" href="classNL3D_1_1CBone.html#o5">_RotEulerChannelId</a>= <a class="code" href="classNL3D_1_1IAnimatable.html#b0">addValue</a>(chanMixer, <a class="code" href="classNL3D_1_1ITransformable.html#z872_0s6">RotEulerValue</a>, <a class="code" href="classNL3D_1_1ITransformable.html#z872_0s4">OwnerBit</a>, prefix, <font class="keyword">true</font>);
+00142 <a class="code" href="classNL3D_1_1CBone.html#o6">_RotQuatChannelId</a>= <a class="code" href="classNL3D_1_1IAnimatable.html#b0">addValue</a>(chanMixer, <a class="code" href="classNL3D_1_1ITransformable.html#z872_0s7">RotQuatValue</a>, <a class="code" href="classNL3D_1_1ITransformable.html#z872_0s4">OwnerBit</a>, prefix, <font class="keyword">true</font>);
+00143 <a class="code" href="classNL3D_1_1CBone.html#o7">_ScaleChannelId</a>= <a class="code" href="classNL3D_1_1IAnimatable.html#b0">addValue</a>(chanMixer, <a class="code" href="classNL3D_1_1ITransformable.html#z872_0s8">ScaleValue</a>, <a class="code" href="classNL3D_1_1ITransformable.html#z872_0s4">OwnerBit</a>, prefix, <font class="keyword">true</font>);
+00144 <a class="code" href="classNL3D_1_1CBone.html#o8">_PivotChannelId</a>= <a class="code" href="classNL3D_1_1IAnimatable.html#b0">addValue</a>(chanMixer, <a class="code" href="classNL3D_1_1ITransformable.html#z872_0s9">PivotValue</a>, <a class="code" href="classNL3D_1_1ITransformable.html#z872_0s4">OwnerBit</a>, prefix, <font class="keyword">true</font>);
+00145
+00146 <font class="comment">// Deriver note: if necessary, call BaseClass::registerToChannelMixer(chanMixer, prefix);</font>
+00147 }
+00148
+00149 <font class="comment">// ***************************************************************************</font>
+<a name="l00150"></a><a class="code" href="classNL3D_1_1CBone.html#a3">00150</a> <font class="keywordtype">void</font> CBone::compute(CBone *parent, <font class="keyword">const</font> CMatrix &amp;rootMatrix)
+00151 {
+00152 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CBone.html#o0">_BoneBase</a>);
+00153
+00154 <font class="comment">// Compute LocalSkeletonMatrix.</font>
+00155 <font class="comment">// Root case?</font>
+00156 <font class="keywordflow">if</font>(!parent)
+00157 {
+00158 <a class="code" href="classNL3D_1_1CBone.html#o1">_LocalSkeletonMatrix</a>= <a class="code" href="classNL3D_1_1ITransformable.html#a2">getMatrix</a>();
+00159 }
+00160 <font class="comment">// Else, son case, take world matrix from parent.</font>
+00161 <font class="keywordflow">else</font>
+00162 {
+00163 <font class="comment">// UnheritScale case.</font>
+00164 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CBone.html#o0">_BoneBase</a>-&gt;UnheritScale)
+00165 {
+00166 CMatrix invScaleComp;
+00167 CVector fatherScale;
+00168 CVector trans;
+00169
+00170 <font class="comment">// retrieve our translation</font>
+00171 <font class="keywordflow">if</font>( <a class="code" href="classNL3D_1_1ITransformable.html#z870_0">getTransformMode</a>()==ITransformable::DirectMatrix )
+00172 <a class="code" href="classNL3D_1_1ITransformable.html#a2">getMatrix</a>().getPos(trans);
+00173 <font class="keywordflow">else</font>
+00174 <a class="code" href="classNL3D_1_1ITransformable.html#z870_7">getPos</a>(trans);
+00175 <font class="comment">// retrieve scale from our father.</font>
+00176 parent-&gt;getScale(fatherScale);
+00177 <font class="comment">// inverse this scale.</font>
+00178 fatherScale.x= 1.0f / fatherScale.x;
+00179 fatherScale.y= 1.0f / fatherScale.y;
+00180 fatherScale.z= 1.0f / fatherScale.z;
+00181
+00182
+00183 <font class="comment">// Compute InverseScale compensation:</font>
+00184 <font class="comment">// with UnheritScale, formula per bone should be T*Sf-1*P*R*S*P-1.</font>
+00185 <font class="comment">// But getMatrix() return T*P*R*S*P-1.</font>
+00186 <font class="comment">// So we must compute T*Sf-1*T-1, in order to get wanted result.</font>
+00187 invScaleComp.scale(fatherScale);
+00188 <font class="comment">// Faster compute of the translation part: just "trans + fatherScale MUL -trans" where MUL is comp mul</font>
+00189 trans.x-= fatherScale.x * trans.x;
+00190 trans.y-= fatherScale.y * trans.y;
+00191 trans.z-= fatherScale.z * trans.z;
+00192 invScaleComp.setPos(trans);
+00193
+00194
+00195 <font class="comment">// And finally, we got ParentWM * T*Sf-1*P*R*S*P-1.</font>
+00196 <font class="comment">// Do: _LocalSkeletonMatrix= parent-&gt;_LocalSkeletonMatrix * invScaleComp * getMatrix()</font>
+00197 <font class="keyword">static</font> CMatrix tmp;
+00198 tmp.setMulMatrixNoProj( parent-&gt;_LocalSkeletonMatrix, invScaleComp );
+00199 <a class="code" href="classNL3D_1_1CBone.html#o1">_LocalSkeletonMatrix</a>.setMulMatrixNoProj( tmp, <a class="code" href="classNL3D_1_1ITransformable.html#a2">getMatrix</a>() );
+00200 }
+00201 <font class="comment">// Normal case.</font>
+00202 <font class="keywordflow">else</font>
+00203 {
+00204 <font class="comment">// Do: _LocalSkeletonMatrix= parent-&gt;_LocalSkeletonMatrix * getMatrix()</font>
+00205 <a class="code" href="classNL3D_1_1CBone.html#o1">_LocalSkeletonMatrix</a>.setMulMatrixNoProj( parent-&gt;_LocalSkeletonMatrix, <a class="code" href="classNL3D_1_1ITransformable.html#a2">getMatrix</a>() );
+00206 }
+00207 }
+00208
+00209 <font class="comment">// Compute WorldMatrix. Do: _WorldMatrix= rootMatrix * _LocalSkeletonMatrix</font>
+00210 <a class="code" href="classNL3D_1_1CBone.html#o2">_WorldMatrix</a>.setMulMatrixNoProj( rootMatrix, <a class="code" href="classNL3D_1_1CBone.html#o1">_LocalSkeletonMatrix</a> );
+00211
+00212 <font class="comment">// Compute BoneSkinMatrix. Do: _BoneSkinMatrix= _LocalSkeletonMatrix * _BoneBase-&gt;InvBindPos</font>
+00213 <a class="code" href="classNL3D_1_1CBone.html#o3">_BoneSkinMatrix</a>.setMulMatrixNoProj( <a class="code" href="classNL3D_1_1CBone.html#o1">_LocalSkeletonMatrix</a>, <a class="code" href="classNL3D_1_1CBone.html#o0">_BoneBase</a>-&gt;InvBindPos );
+00214 }
+00215
+00216
+00217 <font class="comment">// ***************************************************************************</font>
+<a name="l00218"></a><a class="code" href="classNL3D_1_1CBone.html#a4">00218</a> <font class="keywordtype">void</font> CBone::interpolateBoneSkinMatrix(<font class="keyword">const</font> CMatrix &amp;otherMatrix, <font class="keywordtype">float</font> interp)
+00219 {
+00220 CMatrix &amp;curMatrix= <a class="code" href="classNL3D_1_1CBone.html#o3">_BoneSkinMatrix</a>;
+00221
+00222 <font class="comment">// interpolate rot/scale. Just interpolate basis vectors</font>
+00223 CVector fatherI= otherMatrix.getI();
+00224 CVector curI= curMatrix.getI();
+00225 curI= fatherI*(1-interp) + curI*interp;
+00226 CVector fatherJ= otherMatrix.getJ();
+00227 CVector curJ= curMatrix.getJ();
+00228 curJ= fatherJ*(1-interp) + curJ*interp;
+00229 CVector fatherK= otherMatrix.getK();
+00230 CVector curK= curMatrix.getK();
+00231 curK= fatherK*(1-interp) + curK*interp;
+00232 <font class="comment">// replace rotation</font>
+00233 curMatrix.setRot(curI, curJ, curK);
+00234
+00235 <font class="comment">// interpolate pos</font>
+00236 CVector fatherPos= otherMatrix.getPos();
+00237 CVector curPos= curMatrix.getPos();
+00238 curPos= fatherPos*(1-interp) + curPos*interp;
+00239 curMatrix.setPos(curPos);
+00240 }
+00241
+00242
+00243 <font class="comment">// ***************************************************************************</font>
+<a name="l00244"></a><a class="code" href="classNL3D_1_1CBone.html#a8">00244</a> <font class="keywordtype">void</font> CBone::lodEnableChannels(CChannelMixer *chanMixer, <font class="keywordtype">bool</font> enable)
+00245 {
+00246 <a class="code" href="debug_8h.html#a6">nlassert</a>(chanMixer);
+00247
+00248 <font class="comment">// Lod Enable channels if they are correclty registered to the channelMixer.</font>
+00249 <font class="keywordflow">if</font>( <a class="code" href="classNL3D_1_1CBone.html#o4">_PosChannelId</a>&gt;=0 )
+00250 chanMixer-&gt;lodEnableChannel(<a class="code" href="classNL3D_1_1CBone.html#o4">_PosChannelId</a>, enable);
+00251 <font class="keywordflow">if</font>( <a class="code" href="classNL3D_1_1CBone.html#o5">_RotEulerChannelId</a>&gt;=0 )
+00252 chanMixer-&gt;lodEnableChannel(<a class="code" href="classNL3D_1_1CBone.html#o5">_RotEulerChannelId</a>, enable);
+00253 <font class="keywordflow">if</font>( <a class="code" href="classNL3D_1_1CBone.html#o6">_RotQuatChannelId</a>&gt;=0 )
+00254 chanMixer-&gt;lodEnableChannel(<a class="code" href="classNL3D_1_1CBone.html#o6">_RotQuatChannelId</a>, enable);
+00255 <font class="keywordflow">if</font>( <a class="code" href="classNL3D_1_1CBone.html#o7">_ScaleChannelId</a>&gt;=0 )
+00256 chanMixer-&gt;lodEnableChannel(<a class="code" href="classNL3D_1_1CBone.html#o7">_ScaleChannelId</a>, enable);
+00257 <font class="keywordflow">if</font>( <a class="code" href="classNL3D_1_1CBone.html#o8">_PivotChannelId</a>&gt;=0 )
+00258 chanMixer-&gt;lodEnableChannel(<a class="code" href="classNL3D_1_1CBone.html#o8">_PivotChannelId</a>, enable);
+00259
+00260 }
+00261
+00262
+00263 } <font class="comment">// NL3D</font>
+</pre></div>
+
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