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<a class="qindex" href="index.html">Main Page</a> <a class="qindex" href="namespaces.html">Namespace List</a> <a class="qindex" href="hierarchy.html">Class Hierarchy</a> <a class="qindex" href="classes.html">Alphabetical List</a> <a class="qindex" href="annotated.html">Compound List</a> <a class="qindex" href="files.html">File List</a> <a class="qindex" href="namespacemembers.html">Namespace Members</a> <a class="qindex" href="functions.html">Compound Members</a> <a class="qindex" href="globals.html">File Members</a> <a class="qindex" href="pages.html">Related Pages</a> <a class="qindexRef" doxygen="_cgi:/cgi-bin/nel-search.cgi" href="/cgi-bin/nel-search.cgi">Search</a> </center>
<hr><h1>water_model.cpp</h1><a href="water__model_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001
00007 <font class="comment">/* Copyright, 2000, 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="vector__2d_8h.html">nel/misc/vector_2d.h</a>"</font>
00029 <font class="preprocessor">#include "<a class="code" href="vector__h_8h.html">nel/misc/vector_h.h</a>"</font>
00030 <font class="preprocessor">#include "<a class="code" href="hierarchical__timer_8h.html">nel/misc/hierarchical_timer.h</a>"</font>
00031 <font class="preprocessor">#include "<a class="code" href="animation__time_8h.html">nel/3d/animation_time.h</a>"</font>
00032 <font class="preprocessor">#include "<a class="code" href="water__model_8h.html">3d/water_model.h</a>"</font>
00033 <font class="preprocessor">#include "<a class="code" href="water__shape_8h.html">3d/water_shape.h</a>"</font>
00034 <font class="preprocessor">#include "<a class="code" href="water__pool__manager_8h.html">3d/water_pool_manager.h</a>"</font>
00035 <font class="preprocessor">#include "<a class="code" href="water__height__map_8h.html">3d/water_height_map.h</a>"</font>
00036 <font class="preprocessor">#include "<a class="code" href="dru_8h.html">3d/dru.h</a>"</font>
00037 <font class="preprocessor">#include "<a class="code" href="scene_8h.html">3d/scene.h</a>"</font>
00038 <font class="preprocessor">#include "<a class="code" href="driver_8h.html">3d/driver.h</a>"</font>
00039 <font class="preprocessor">#include "<a class="code" href="render__trav_8h.html">3d/render_trav.h</a>"</font>
00040 <font class="preprocessor">#include "<a class="code" href="anim__detail__trav_8h.html">3d/anim_detail_trav.h</a>"</font>
00041
00042
00043
00044
00045 <font class="keyword">namespace </font>NL3D {
00046
00047
00048 <font class="comment">//=======================================================================</font>
00049
<a name="l00050"></a><a class="code" href="classNL3D_1_1CWaterModel.html#a0">00050</a> CWaterModel::CWaterModel() : _Scene(NULL)
00051 {
00052 <a class="code" href="classNL3D_1_1CTransform.html#a1">setOpacity</a>(<font class="keyword">false</font>);
00053 <a class="code" href="classNL3D_1_1CTransform.html#a0">setTransparency</a>(<font class="keyword">true</font>);
00054 <a class="code" href="classNL3D_1_1CTransform.html#a4">setOrderingLayer</a>(1);
00055 }
00056
00057 <font class="comment">//=======================================================================</font>
00058
<a name="l00059"></a><a class="code" href="classNL3D_1_1CWaterModel.html#d0">00059</a> <font class="keywordtype">void</font> CWaterModel::registerBasic()
00060 {
00061 CMOT::registerModel(<a class="code" href="namespaceNL3D.html#a310">WaterModelClassId</a>, <a class="code" href="namespaceNL3D.html#a277">TransformShapeId</a>, CWaterModel::creator);
00062 CMOT::registerObs(<a class="code" href="namespaceNL3D.html#a232">RenderTravId</a>, <a class="code" href="namespaceNL3D.html#a310">WaterModelClassId</a>, CWaterRenderObs::creator);
00063 }
00064
00065
00066 <font class="comment">//=======================================================================</font>
00067
<a name="l00068"></a><a class="code" href="classNL3D_1_1CWaterModel.html#a1">00068</a> ITrack* CWaterModel::getDefaultTrack (uint valueId)
00069 {
00070 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CTransformShape.html#m0">Shape</a>);
00071 <a class="code" href="classNL3D_1_1CWaterModel.html#l1">CWaterShape</a> *ws = NLMISC::safe_cast<CWaterShape *>((IShape *) <a class="code" href="classNL3D_1_1CTransformShape.html#m0">Shape</a>);
00072 <font class="keywordflow">switch</font> (valueId)
00073 {
00074 <font class="keywordflow">case</font> <a class="code" href="classNL3D_1_1ITransformable.html#z872_0s5">PosValue</a>: <font class="keywordflow">return</font> ws->getDefaultPos(); <font class="keywordflow">break</font>;
00075 <font class="keywordflow">case</font> <a class="code" href="classNL3D_1_1ITransformable.html#z872_0s8">ScaleValue</a>: <font class="keywordflow">return</font> ws->getDefaultScale(); <font class="keywordflow">break</font>;
00076 <font class="keywordflow">case</font> <a class="code" href="classNL3D_1_1ITransformable.html#z872_0s7">RotQuatValue</a>: <font class="keywordflow">return</font> ws->getDefaultRotQuat(); <font class="keywordflow">break</font>;
00077 <font class="keywordflow">default</font>: <font class="comment">// delegate to parent</font>
00078 <font class="keywordflow">return</font> CTransformShape::getDefaultTrack(valueId);
00079 <font class="keywordflow">break</font>;
00080 }
00081 }
00082
00083 <font class="comment">//=======================================================================</font>
00084
<a name="l00085"></a><a class="code" href="classNL3D_1_1CWaterModel.html#a2">00085</a> uint32 CWaterModel::getWaterHeightMapID()<font class="keyword"> const</font>
00086 <font class="keyword"></font>{
00087 <a class="code" href="classNL3D_1_1CWaterModel.html#l1">CWaterShape</a> *ws = NLMISC::safe_cast<CWaterShape *>((IShape *) <a class="code" href="classNL3D_1_1CTransformShape.html#m0">Shape</a>);
00088 <font class="keywordflow">return</font> ws->_WaterPoolID;
00089 }
00090
00091 <font class="comment">//=======================================================================</font>
00092
<a name="l00093"></a><a class="code" href="classNL3D_1_1CWaterModel.html#a3">00093</a> <font class="keywordtype">float</font> CWaterModel::getHeightFactor()<font class="keyword"> const</font>
00094 <font class="keyword"></font>{
00095 <a class="code" href="classNL3D_1_1CWaterModel.html#l1">CWaterShape</a> *ws = NLMISC::safe_cast<CWaterShape *>((IShape *) <a class="code" href="classNL3D_1_1CTransformShape.html#m0">Shape</a>);
00096 <font class="keywordflow">return</font> ws->_WaveHeightFactor;
00097 }
00098
00099
00100 <font class="comment">//=======================================================================</font>
00101
<a name="l00102"></a><a class="code" href="classNL3D_1_1CWaterModel.html#a4">00102</a> <font class="keywordtype">float</font> CWaterModel::getHeight(<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector2f.html">NLMISC::CVector2f</a> &pos)
00103 {
00104 <a class="code" href="classNL3D_1_1CWaterModel.html#l1">CWaterShape</a> *ws = NLMISC::safe_cast<CWaterShape *>((IShape *) <a class="code" href="classNL3D_1_1CTransformShape.html#m0">Shape</a>);
00105 CWaterHeightMap &whm = <a class="code" href="namespaceNL3D.html#a480">GetWaterPoolManager</a>().getPoolByID(ws->_WaterPoolID);
00106 <font class="keyword">const</font> <font class="keywordtype">float</font> <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a> = whm.getHeight(pos);
00107 <font class="keywordflow">return</font> <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a> * ws->_WaveHeightFactor + this-><a class="code" href="classNL3D_1_1ITransformable.html#z870_7">getPos</a>().z;
00108 }
00109
00110 <font class="comment">//=======================================================================</font>
00111
<a name="l00112"></a><a class="code" href="classNL3D_1_1CWaterModel.html#a5">00112</a> <font class="keywordtype">float</font> CWaterModel::getAttenuatedHeight(<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector2f.html">NLMISC::CVector2f</a> &pos, <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &viewer)
00113 {
00114 <a class="code" href="classNL3D_1_1CWaterModel.html#l1">CWaterShape</a> *ws = NLMISC::safe_cast<CWaterShape *>((IShape *) <a class="code" href="classNL3D_1_1CTransformShape.html#m0">Shape</a>);
00115 CWaterHeightMap &whm = <a class="code" href="namespaceNL3D.html#a480">GetWaterPoolManager</a>().getPoolByID(ws->_WaterPoolID);
00116 <font class="keyword">const</font> <font class="keywordtype">float</font> maxDist = whm.getUnitSize() * (whm.getSize() >> 1);
00117 <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> planePos(pos.<a class="code" href="classNLMISC_1_1CVector2f.html#m0">x</a>, pos.<a class="code" href="classNLMISC_1_1CVector2f.html#m1">y</a>, this->getPos().z);
00118 <font class="keyword">const</font> <font class="keywordtype">float</font> userDist = (planePos - viewer).norm();
00119
00120 <font class="keywordflow">if</font> (userDist > maxDist)
00121 {
00122 <font class="keywordflow">return</font> this-><a class="code" href="classNL3D_1_1ITransformable.html#z870_7">getPos</a>().z;
00123 }
00124 <font class="keywordflow">else</font>
00125 {
00126 <font class="keyword">const</font> <font class="keywordtype">float</font> <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a> = whm.getHeight(pos);
00127 <font class="keywordflow">return</font> ws->_WaveHeightFactor * <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a> * (1.f - userDist / maxDist) + this-><a class="code" href="classNL3D_1_1ITransformable.html#z870_7">getPos</a>().z;
00128 }
00129 }
00130
00131
00132 <font class="comment">//=======================================================================</font>
00133
00134 <font class="comment">// perform a bilinear on 4 values</font>
00135 <font class="comment">// 0---1</font>
00136 <font class="comment">// | |</font>
00137 <font class="comment">// 3---2</font>
00138 <font class="keyword">static</font> <font class="keywordtype">float</font> <font class="keyword">inline</font> <a class="code" href="namespaceNL3D.html#a475">BilinFilter</a>(<font class="keywordtype">float</font> v0, <font class="keywordtype">float</font> v1, <font class="keywordtype">float</font> v2, <font class="keywordtype">float</font> v3, <font class="keywordtype">float</font> u, <font class="keywordtype">float</font> <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>)
00139 {
00140 <font class="keywordtype">float</font> g = <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a> * v3 + (1.f - <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>) * v0;
00141 <font class="keywordtype">float</font> h = <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a> * v2 + (1.f - <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>) * v1;
00142 <font class="keywordflow">return</font> u * h + (1.f - u) * g;
00143 }
00144
00145
00146
00147 <font class="comment">//=======================================================================</font>
00148
00150 <font class="keyword">static</font> <font class="keywordtype">void</font> <font class="keyword">inline</font> <a class="code" href="namespaceNL3D.html#a476">FillWaterVB</a>(uint8 *&vbPointer, <font class="keywordtype">float</font> <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, <font class="keywordtype">float</font> <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>, <font class="keywordtype">float</font> <a class="code" href="driver__opengl__extension__def_8h.html#a366">z</a>, <font class="keywordtype">float</font> nx, <font class="keywordtype">float</font> ny)
00151 {
00152 * (<font class="keywordtype">float</font> *) vbPointer = <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>;
00153 ((<font class="keywordtype">float</font> *) vbPointer)[1] = <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>;
00154 ((<font class="keywordtype">float</font> *) vbPointer)[2] = <a class="code" href="driver__opengl__extension__def_8h.html#a366">z</a>;
00155 *((<font class="keywordtype">float</font> *) (vbPointer + 3 * <font class="keyword">sizeof</font>(float))) = nx;
00156 *((<font class="keywordtype">float</font> *) (vbPointer + 4 * <font class="keyword">sizeof</font>(float))) = ny;
00157 vbPointer += 5 * <font class="keyword">sizeof</font>(float);
00158 }
00159
00160 <font class="comment">//***************************************************************************************************************</font>
00161
00162
00164 <font class="preprocessor">#ifdef NL_OS_WINDOWS</font>
00165 <font class="preprocessor"></font> __forceinline
00166 <font class="preprocessor">#endif</font>
00167 <font class="preprocessor"></font><font class="keyword">static</font> <font class="keywordtype">void</font> <a class="code" href="namespaceNL3D.html#a477">SetupWaterVertex</a>( sint qLeft,
00168 sint qRight,
00169 sint qUp,
00170 sint qDown,
00171 sint qSubLeft,
00172 sint qSubDown,
00173 <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &inter,
00174 <font class="keywordtype">float</font> invWaterRatio,
00175 sint doubleWaterHeightMapSize,
00176 CWaterHeightMap &whm,
00177 uint8 *&vbPointer,
00178 <font class="keywordtype">float</font> offsetX,
00179 <font class="keywordtype">float</font> offsetY
00180 )
00181 {
00182 <font class="keyword">const</font> <font class="keywordtype">float</font> wXf = invWaterRatio * (inter.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a> + offsetX);
00183 <font class="keyword">const</font> <font class="keywordtype">float</font> wYf = invWaterRatio * (inter.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a> + offsetY);
00184
00185 sint wx = (sint) floorf(wXf);
00186 sint wy = (sint) floorf(wYf);
00187
00188
00189
00190 <font class="keywordflow">if</font> (!
00191 (wx >= qLeft && wx < qRight && wy < qUp && wy >= qDown)
00192 )
00193 {
00194 <font class="comment">// no perturbation is visible</font>
00195 <a class="code" href="namespaceNL3D.html#a476">FillWaterVB</a>(vbPointer, inter.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>, inter.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>, 0, 0, 0);
00196 }
00197 <font class="keywordflow">else</font>
00198 {
00199
00200
00201 <font class="comment">// filter height and gradient at the given point</font>
00202 <font class="keyword">const</font> sint <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a> = doubleWaterHeightMapSize;
00203
00204
00205 <font class="keyword">const</font> uint xm = (uint) (wx - qSubLeft);
00206 <font class="keyword">const</font> uint ym = (uint) (wy - qSubDown);
00207 <font class="keyword">const</font> sint <a class="code" href="driver__opengl__extension__def_8h.html#a378">offset</a> = xm + <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a> * ym;
00208 <font class="keyword">const</font> <font class="keywordtype">float</font> *ptWater = whm.getPointer() + <a class="code" href="driver__opengl__extension__def_8h.html#a378">offset</a>;
00209
00210 <font class="comment">/* float epsilon = 10E-5f;</font>
00211 <font class="comment"> if (ptWater[0] > epsilon || ptWater[0] < epsilon </font>
00212 <font class="comment"> || ptWater[1] > epsilon || ptWater[1] < epsilon </font>
00213 <font class="comment"> || ptWater[stride] > epsilon || ptWater[stride] < epsilon</font>
00214 <font class="comment"> || ptWater[stride + 1] > epsilon || ptWater[stride + 1] < epsilon</font>
00215 <font class="comment"> )</font>
00216 <font class="comment"> {*/</font>
00217
00218 <font class="keywordtype">float</font> deltaU = wXf - wx;
00219 <font class="keywordtype">float</font> deltaV = wYf - wy;
00220 <a class="code" href="debug_8h.html#a6">nlassert</a>(deltaU >= 0.f && deltaU <= 1.f && deltaV >= 0.f && deltaV <= 1.f);
00221 <font class="keyword">const</font> <font class="keywordtype">float</font> *ptWaterPrev = whm.getPrevPointer() + <a class="code" href="driver__opengl__extension__def_8h.html#a378">offset</a>;
00222
00223
00224
00225 <font class="keywordtype">float</font> g0x, g1x, g2x, g3x; <font class="comment">// x gradient for current </font>
00226 <font class="keywordtype">float</font> g0xp, g1xp, g2xp, g3xp;
00227
00228 <font class="keywordtype">float</font> gradCurrX, gradCurrY;
00229
00230 <font class="keywordtype">float</font> g0y, g1y, g2y, g3y; <font class="comment">// y gradient for previous map</font>
00231 <font class="keywordtype">float</font> g0yp, g1yp, g2yp, g3yp;
00232
00233 <font class="keywordtype">float</font> gradPrevX, gradPrevY;
00234
00236
00237 g0x = ptWater[ 1] - ptWater[ - 1];
00238 g1x = ptWater[ 2] - ptWater[ 0 ];
00239 g2x = ptWater[ 2 + <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>] - ptWater[ <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>];
00240 g3x = ptWater[ 1 + <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>] - ptWater[ - 1 + <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>];
00241
00242 gradCurrX = <a class="code" href="namespaceNL3D.html#a475">BilinFilter</a>(g0x, g1x, g2x, g3x, deltaU, deltaV);
00243
00244
00245 g0y = ptWater[ <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>] - ptWater[ - <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>];
00246 g1y = ptWater[ <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a> + 1] - ptWater[ - <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a> + 1];
00247 g2y = ptWater[ (<a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a> << 1) + 1] - ptWater[ 1];
00248 g3y = ptWater[ (<a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a> << 1)] - ptWater[0];
00249
00250 gradCurrY = <a class="code" href="namespaceNL3D.html#a475">BilinFilter</a>(g0y, g1y, g2y, g3y, deltaU, deltaV);
00251
00253
00254 g0xp = ptWaterPrev[ 1] - ptWaterPrev[ - 1];
00255 g1xp = ptWaterPrev[ 2] - ptWaterPrev[ 0 ];
00256 g2xp = ptWaterPrev[ 2 + <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>] - ptWaterPrev[ + <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>];
00257 g3xp = ptWaterPrev[ 1 + <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>] - ptWaterPrev[ - 1 + <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>];
00258
00259 gradPrevX = <a class="code" href="namespaceNL3D.html#a475">BilinFilter</a>(g0xp, g1xp, g2xp, g3xp, deltaU, deltaV);
00260
00261
00262 g0yp = ptWaterPrev[ <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>] - ptWaterPrev[ - <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>];
00263 g1yp = ptWaterPrev[ <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a> + 1] - ptWaterPrev[ - <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a> + 1];
00264 g2yp = ptWaterPrev[ (<a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a> << 1) + 1] - ptWaterPrev[ 1 ];
00265 g3yp = ptWaterPrev[ (<a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a> << 1)] - ptWaterPrev[ 0 ];
00266
00267 gradPrevY = <a class="code" href="namespaceNL3D.html#a475">BilinFilter</a>(g0yp, g1yp, g2yp, g3yp, deltaU, deltaV);
00268
00269
00271 <font class="keywordtype">float</font> h = <a class="code" href="namespaceNL3D.html#a475">BilinFilter</a>(ptWater[ 0 ], ptWater[ + 1], ptWater[ 1 + <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>], ptWater[<a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>], deltaU, deltaV);
00272
00274 <font class="keywordtype">float</font> hPrev = <a class="code" href="namespaceNL3D.html#a475">BilinFilter</a>(ptWaterPrev[ 0 ], ptWaterPrev[ 1], ptWaterPrev[ 1 + <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>], ptWaterPrev[<a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>], deltaU, deltaV);
00275
00276
00277 <font class="keywordtype">float</font> timeRatio = whm.getBufferRatio();
00278
00279
00280 <a class="code" href="namespaceNL3D.html#a476">FillWaterVB</a>(vbPointer, inter.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>, inter.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>, timeRatio * h + (1.f - timeRatio) * hPrev,
00281 4.5f * (timeRatio * gradCurrX + (1.f - timeRatio) * gradPrevX),
00282 4.5f * (timeRatio * gradCurrY + (1.f - timeRatio) * gradPrevY)
00283 );
00284
00285
00286
00287 <font class="comment">//NLMISC::CVector2f *ptGrad = whm.getGradPointer() + offset;</font>
00288
00289
00290
00291
00292
00293 <font class="comment">/* float dh1 = deltaV * ptWater[stride] + (1.f - deltaV) * ptWater[0];</font>
00294 <font class="comment"> float dh2 = deltaV * ptWater[stride + 1] + (1.f - deltaV) * ptWater[1];</font>
00295 <font class="comment"> float h = deltaU * dh2 + (1.f - deltaU ) * dh1;</font>
00296 <font class="comment"></font>
00297 <font class="comment"> </font>
00298 <font class="comment"> float gR = deltaV * ptGrad[stride + 1].x + (1.f - deltaV) * ptGrad[1].x;</font>
00299 <font class="comment"> float gL = deltaV * ptGrad[stride].x + (1.f - deltaV) * ptGrad[0].x;</font>
00300 <font class="comment"></font>
00301 <font class="comment"> float grU = 4.5f * (deltaU * gR + (1.f - deltaU) * gL);</font>
00302 <font class="comment"></font>
00303 <font class="comment"> gR = deltaV * ptGrad[stride + 1].y + (1.f - deltaV) * ptGrad[1].y;</font>
00304 <font class="comment"> gL = deltaV * ptGrad[stride].y + (1.f - deltaV) * ptGrad[0].y;</font>
00305 <font class="comment"></font>
00306 <font class="comment"> float grV = 4.5f * (deltaU * gR + (1.f - deltaU) * gL);</font>
00307 <font class="comment"></font>
00308 <font class="comment"> vb.setValueFloat3Ex (Water_VB_POS, vbIndex, inter.x, inter.y, h);</font>
00309 <font class="comment"> vb.setValueFloat2Ex (Water_VB_DX, vbIndex, grU, grV);</font>
00310 <font class="comment"> */</font>
00311 <font class="comment">/*}</font>
00312 <font class="comment"> else</font>
00313 <font class="comment"> {</font>
00314 <font class="comment"> // no perturbation is visible</font>
00315 <font class="comment"> FillWaterVB(vbPointer, inter.x, inter.y, 0, 0, 0); </font>
00316 <font class="comment"> }*/</font>
00317 }
00318 }
00319
00320 <font class="comment">//*********************************************************</font>
00321 <font class="comment">// compute a rotation matrix from the K and the up vector</font>
00322 <font class="keyword">static</font> <font class="keywordtype">void</font> <a class="code" href="namespaceNL3D.html#a478">ComputeUpMatrix</a>(<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &J, <a class="code" href="classNLMISC_1_1CMatrix.html">NLMISC::CMatrix</a> &dest, <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CMatrix.html">NLMISC::CMatrix</a> &defaultMat)
00323 {
00324 <font class="comment">// if the J vector is oriented toward K, we must use another vector to compute the matrix</font>
00325 <font class="keyword">const</font> <font class="keywordtype">float</font> JdotK = J.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a>;
00326 <font class="keywordflow">if</font> ( (1.0f - fabsf(J.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a>)) < 10E-6)
00327 {
00328 dest.<a class="code" href="classNLMISC_1_1CMatrix.html#z290_1">setRot</a>(defaultMat.<a class="code" href="classNLMISC_1_1CMatrix.html#z291_0">getRot</a>());
00329 }
00330 <font class="keywordflow">else</font>
00331 {
00332 <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> up = (<a class="code" href="classNLMISC_1_1CVector.html#p3">NLMISC::CVector::K</a> - JdotK * J).normed();
00333 <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> right = J ^ up;
00334 dest.<a class="code" href="classNLMISC_1_1CMatrix.html#z290_1">setRot</a>(right, J, up);
00335 }
00336 }
00337
00338 <font class="comment">//*************************************************************</font>
00339 <font class="comment">// draw a 2d polygon after a transformation</font>
00340 <font class="keyword">static</font> <font class="keywordtype">void</font> <a class="code" href="namespaceNL3D.html#a479">DrawPoly2D</a>(CVertexBuffer &vb, IDriver *drv, <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CMatrix.html">NLMISC::CMatrix</a> &mat, <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CPolygon.html">NLMISC::CPolygon</a> &p)
00341 {
00342 uint k;
00343
00344 <font class="keywordflow">for</font> (k = 0; k < p.<a class="code" href="classNLMISC_1_1CPolygon.html#m0">Vertices</a>.size(); ++k)
00345 {
00346 <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> tPos = mat * <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>(p.<a class="code" href="classNLMISC_1_1CPolygon.html#m0">Vertices</a>[k].x, p.<a class="code" href="classNLMISC_1_1CPolygon.html#m0">Vertices</a>[k].y, 0);
00347 vb.setValueFloat3Ex (<a class="code" href="namespaceNL3D.html#a308">WATER_VB_POS</a>, k, tPos.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>, tPos.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>, tPos.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a>);
00348 vb.setValueFloat2Ex (<a class="code" href="namespaceNL3D.html#a309">WATER_VB_DX</a>, k, 0, 0);
00349 }
00350 <font class="keyword">static</font> std::vector<uint32> ib;
00351 ib.resize(3 * p.<a class="code" href="classNLMISC_1_1CPolygon.html#m0">Vertices</a>.size());
00352
00353 <font class="keywordflow">for</font> (k = 0; k < p.<a class="code" href="classNLMISC_1_1CPolygon.html#m0">Vertices</a>.size() - 2; ++k)
00354 {
00355 ib[ k * 3 ] = 0;
00356 ib[ k * 3 + 1 ] = k + 1;
00357 ib[ k * 3 + 2 ] = k + 2;
00358 }
00359 drv->renderSimpleTriangles(&ib[0], p.<a class="code" href="classNLMISC_1_1CPolygon.html#m0">Vertices</a>.size() - 2);
00360 }
00361
00362 <font class="comment">//***************************************************************************************************************</font>
00363
<a name="l00364"></a><a class="code" href="classNL3D_1_1CWaterRenderObs.html#a0">00364</a> <font class="keywordtype">void</font> CWaterRenderObs::traverse(IObs *caller)
00365 {
00366 <a class="code" href="hierarchical__timer_8h.html#a4">H_AUTO</a>( NL3D_Water_Render );
00367
00368 CRenderTrav *trav = NLMISC::safe_cast<CRenderTrav *>(Trav);
00369 CWaterModel *m = NLMISC::safe_cast<CWaterModel *>(Model);
00370 CWaterShape *shape = NLMISC::safe_cast<CWaterShape *>((IShape *) m->Shape);
00371 IDriver *drv = trav->getDriver();
00372 <font class="keyword">const</font> std::vector<CPlane> &worldPyramid = ((NLMISC::safe_cast<CClipTrav *>(<a class="code" href="classNL3D_1_1IBaseRenderObs.html#m1">ClipObs</a>->Trav))->WorldFrustumPyramid);
00373
00374 <font class="keywordflow">if</font> (shape->_GridSizeTouched)
00375 {
00376 shape->setupVertexBuffer();
00377 }
00378
00379
00380 <font class="comment">// inverted object world matrix</font>
00381 <font class="comment">//NLMISC::CMatrix invObjMat = HrcObs->WorldMatrix.inverted();</font>
00382
00383 <font class="comment">// viewer pos in world space</font>
00384 <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &obsPos = <font class="comment">/*invObjMat **/</font> trav->CamPos;
00385
00386 <font class="comment">// camera matrix in world space</font>
00387 <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CMatrix.html">NLMISC::CMatrix</a> &camMat = trav->CamMatrix;
00388
00389 <font class="comment">// view matrix (inverted cam matrix)</font>
00390 <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CMatrix.html">NLMISC::CMatrix</a> &viewMat = trav->ViewMatrix;
00391
00392 <font class="comment">// compute the camera matrix such as there is no rotation around the y axis</font>
00393 <a class="code" href="classNLMISC_1_1CMatrix.html">NLMISC::CMatrix</a> camMatUp;
00394 <a class="code" href="namespaceNL3D.html#a478">ComputeUpMatrix</a>(camMat.<a class="code" href="classNLMISC_1_1CMatrix.html#z291_8">getJ</a>(), camMatUp, camMat);
00395 camMatUp.<a class="code" href="classNLMISC_1_1CMatrix.html#z290_6">setPos</a>(camMat.<a class="code" href="classNLMISC_1_1CMatrix.html#z291_4">getPos</a>());
00396
00397 <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CMatrix.html">NLMISC::CMatrix</a> matViewUp = camMatUp.<a class="code" href="classNLMISC_1_1CMatrix.html#z293_7">inverted</a>();
00398
00399 <font class="comment">// plane z pos in world</font>
00400 <font class="keyword">const</font> <font class="keywordtype">float</font> zHeight = <a class="code" href="classNL3D_1_1IBaseRenderObs.html#m0">HrcObs</a>->WorldMatrix.getPos().z;
00401
00402 <font class="keyword">const</font> sint numStepX = CWaterShape::getScreenXGridSize();
00403 <font class="keyword">const</font> sint numStepY = CWaterShape::getScreenYGridSize();
00404
00405 <font class="keyword">const</font> <font class="keywordtype">float</font> invNumStepX = 1.f / numStepX;
00406 <font class="keyword">const</font> <font class="keywordtype">float</font> invNumStepY = 1.f / numStepY;
00407
00408 <font class="keyword">const</font> uint rotBorderSize = (shape->_MaxGridSize + (shape->_XGridBorder << 1) - numStepX) >> 1;
00409
00410 <font class="keyword">const</font> sint isAbove = obsPos.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a> > zHeight ? 1 : 0;
00411
00412
00413
00414 <font class="comment">//==================//</font>
00415 <font class="comment">// polygon clipping //</font>
00416 <font class="comment">//==================//</font>
00417
00418 uint k;
00419 <font class="keyword">static</font> <a class="code" href="classNLMISC_1_1CPolygon.html">NLMISC::CPolygon</a> clippedPoly, endClippedPoly;
00420 clippedPoly.<a class="code" href="classNLMISC_1_1CPolygon.html#m0">Vertices</a>.resize(shape->_Poly.Vertices.size());
00421 <font class="keywordflow">for</font> (k = 0; k < shape->_Poly.Vertices.size(); ++k)
00422 {
00423 clippedPoly.<a class="code" href="classNLMISC_1_1CPolygon.html#m0">Vertices</a>[k].set(shape->_Poly.Vertices[k].x,
00424 shape->_Poly.Vertices[k].y,
00425 0
00426 );
00427 }
00428
00429 endClippedPoly = clippedPoly;
00430
00431
00432 <font class="comment">// Build the view pyramid. We need to rebuild it because we use a wider one to avoid holes on the border of the screen</font>
00433
00434 <font class="keyword">static</font> <a class="code" href="classNLMISC_1_1CPlane.html">NLMISC::CPlane</a> plvect[6];
00435
00436 <font class="keyword">const</font> <font class="keywordtype">float</font> borderFactor = 0.67f; <font class="comment">// we must avoid numerical imprecision as well as the rotation case (must divide by sqrt(2))</font>
00437 <font class="keyword">const</font> <font class="keywordtype">float</font> fRight = trav->Right * (2.f * borderFactor * (float) CWaterShape::_XGridBorder + (float) numStepX) / numStepX;
00438 <font class="keyword">const</font> <font class="keywordtype">float</font> fTop = trav->Top * (2.f * borderFactor * (float) CWaterShape::_YGridBorder + (float) numStepY) / numStepY;
00439
00440 <font class="comment">// build pyramid corners</font>
00441 <font class="keyword">const</font> <font class="keywordtype">float</font> nearDist = trav->Near;
00442 <font class="keyword">const</font> <font class="keywordtype">float</font> farDist = trav->Far;
00443 <font class="keyword">const</font> <font class="keywordtype">float</font> transitionDist = shape->_TransitionRatio * farDist;
00444
00445 <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> pfoc(0,0,0);
00446 <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> lb(-fRight, nearDist, - fTop );
00447 <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> lt(-fRight, nearDist, fTop );
00448 <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> rb( fRight, nearDist, -fTop );
00449 <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> rt(fRight, nearDist, fTop );
00450
00451 <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> lbfarDist(-fRight, transitionDist, -fTop);
00452 <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> ltfarDist(-fRight, transitionDist, fTop );
00453 <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> rtfarDist(fRight , transitionDist, fTop );
00454
00455
00456 plvect[0].<a class="code" href="classNLMISC_1_1CPlane.html#z305_0">make</a>(lt, lb, rt); <font class="comment">// near plane</font>
00457 plvect[1].<a class="code" href="classNLMISC_1_1CPlane.html#z305_0">make</a>(lbfarDist, ltfarDist, rtfarDist); <font class="comment">// far plane</font>
00458
00459 plvect[2].<a class="code" href="classNLMISC_1_1CPlane.html#z305_0">make</a>(pfoc, lt, lb);
00460 plvect[3].<a class="code" href="classNLMISC_1_1CPlane.html#z305_0">make</a>(pfoc, rt, lt);
00461 plvect[4].<a class="code" href="classNLMISC_1_1CPlane.html#z305_0">make</a>(pfoc, rb, rt);
00462 plvect[5].<a class="code" href="classNLMISC_1_1CPlane.html#z305_0">make</a>(pfoc, lb, rb);
00463
00464
00465 <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CMatrix.html">NLMISC::CMatrix</a> pyramidMat = viewMat * <a class="code" href="classNL3D_1_1IBaseRenderObs.html#m0">HrcObs</a>->WorldMatrix;
00466 <font class="keywordflow">for</font> (k = 0; k < worldPyramid.size(); ++k)
00467 {
00468 plvect[k] = plvect[k] * pyramidMat; <font class="comment">// put the plane in object space</font>
00469 }
00470
00471 clippedPoly.<a class="code" href="classNLMISC_1_1CPolygon.html#a3">clip</a>(plvect, 6); <font class="comment">// get the tesselated part of the poly </font>
00472
00473 <font class="comment">// modify the pyramid to get the transition part of the poly (no tesselated)</font>
00474 plvect[0].<a class="code" href="classNLMISC_1_1CPlane.html#m3">d</a> += (transitionDist - nearDist);
00475 <font class="comment">// plvect[1].d -= (farDist - transitionDist);</font>
00476 <font class="comment">// dont clip by far plane (done by driver)</font>
00477 endClippedPoly.<a class="code" href="classNLMISC_1_1CPolygon.html#a3">clip</a>(plvect, 1);
00478 endClippedPoly.<a class="code" href="classNLMISC_1_1CPolygon.html#a3">clip</a>(plvect + 2, 4);
00479
00480
00481
00483 <font class="keywordflow">if</font> (clippedPoly.<a class="code" href="classNLMISC_1_1CPolygon.html#m0">Vertices</a>.size() == 0 && endClippedPoly.<a class="code" href="classNLMISC_1_1CPolygon.html#m0">Vertices</a>.size() == 0)
00484 {
00485 <font class="keywordflow">return</font>;
00486 }
00487
00488
00489 <a class="code" href="classNLMISC_1_1CMatrix.html">NLMISC::CMatrix</a> modelMat;
00490 modelMat.<a class="code" href="classNLMISC_1_1CMatrix.html#z290_6">setPos</a>(<a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>(obsPos.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>, obsPos.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>, zHeight));
00491 drv->setupModelMatrix(modelMat);
00492
00493
00494 <font class="comment">//==================//</font>
00495 <font class="comment">// material setup //</font>
00496 <font class="comment">//==================//</font>
00497
00498 CWaterHeightMap &whm = <a class="code" href="namespaceNL3D.html#a480">GetWaterPoolManager</a>().getPoolByID(shape->_WaterPoolID);
00499 <a class="code" href="classNL3D_1_1CWaterRenderObs.html#c0">setupMaterialNVertexShader</a>(drv, shape, obsPos, isAbove > 0, whm.getUnitSize() * (whm.getSize() >> 1), zHeight);
00500
00501 <font class="comment">//setAttenuationFactor(drv, false, obsPos, camMat.getJ(), farDist);</font>
00502 <font class="comment">//disableAttenuation(drv);</font>
00503
00504
00505 <font class="comment">//================================//</font>
00506 <font class="comment">// Vertex buffer setup //</font>
00507 <font class="comment">//================================//</font>
00508
00509 drv->activeVertexBuffer(shape->_VB);
00510
00511 <font class="comment">//================================//</font>
00512 <font class="comment">// tesselated part of the poly //</font>
00513 <font class="comment">//================================//</font>
00514
00515 <font class="keywordflow">if</font> (clippedPoly.<a class="code" href="classNLMISC_1_1CPolygon.html#m0">Vertices</a>.size())
00516 {
00517
00518 <font class="comment">//======================================//</font>
00519 <font class="comment">// Polygon projection on the near plane //</font>
00520 <font class="comment">//======================================//</font>
00521
00522 <font class="keyword">static</font> <a class="code" href="classNLMISC_1_1CPolygon2D.html">NLMISC::CPolygon2D</a> projPoly; <font class="comment">// projected poly</font>
00523 projPoly.<a class="code" href="classNLMISC_1_1CPolygon2D.html#m0">Vertices</a>.resize(clippedPoly.<a class="code" href="classNLMISC_1_1CPolygon.html#m0">Vertices</a>.size());
00524 <font class="keyword">const</font> <font class="keywordtype">float</font> Near = trav->Near;
00525 <font class="keyword">const</font> <font class="keywordtype">float</font> xFactor = (numStepX >> 1) * Near / trav->Right;
00526 <font class="keyword">const</font> <font class="keywordtype">float</font> xOffset = (float) (numStepX >> 1) + 0.5f;
00527 <font class="keyword">const</font> <font class="keywordtype">float</font> yFactor = - (numStepX >> 1) * Near / trav->Top;
00528 <font class="keyword">const</font> <font class="keywordtype">float</font> yOffset = (float) (numStepY >> 1) - 0.5f * isAbove;
00529
00530 <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CMatrix.html">NLMISC::CMatrix</a> projMat = matViewUp * <a class="code" href="classNL3D_1_1IBaseRenderObs.html#m0">HrcObs</a>->WorldMatrix;
00531 <font class="keywordflow">for</font> (k = 0; k < clippedPoly.<a class="code" href="classNLMISC_1_1CPolygon.html#m0">Vertices</a>.size(); ++k)
00532 {
00533 <font class="comment">// project points in the view</font>
00534 <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a> = projMat * clippedPoly.<a class="code" href="classNLMISC_1_1CPolygon.html#m0">Vertices</a>[k];
00535 <font class="keywordtype">float</font> invY = 1.f / t.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>;
00536 projPoly.<a class="code" href="classNLMISC_1_1CPolygon2D.html#m0">Vertices</a>[k].set(xFactor * t.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a> * invY + xOffset, yFactor * t.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a> * invY + yOffset);
00537 }
00538
00539
00540
00541 <font class="comment">//=============================================//</font>
00542 <font class="comment">// compute borders of poly at a low resolution //</font>
00543 <font class="comment">//=============================================//</font>
00544
00545 <a class="code" href="classNLMISC_1_1CPolygon2D.html#s2">NLMISC::CPolygon2D::TRasterVect</a> rasters;
00546 sint startY;
00547 projPoly.<a class="code" href="classNLMISC_1_1CPolygon2D.html#a7">computeBorders</a>(rasters, startY);
00548
00549 <font class="keywordflow">if</font> (rasters.size())
00550 {
00551 <font class="comment">//===========================//</font>
00552 <font class="comment">// perform Water animation //</font>
00553 <font class="comment">//===========================// </font>
00554
00555 <font class="keyword">const</font> <font class="keywordtype">float</font> WaterRatio = whm.getUnitSize();
00556 <font class="keyword">const</font> <font class="keywordtype">float</font> invWaterRatio = 1.f / WaterRatio;
00557 <font class="keyword">const</font> uint WaterHeightMapSize = whm.getSize();
00558 <font class="keyword">const</font> uint doubleWaterHeightMapSize = (WaterHeightMapSize << 1);
00559
00560
00561 sint64 idate = (NLMISC::safe_cast<CHrcTrav *>(<a class="code" href="classNL3D_1_1IBaseRenderObs.html#m0">HrcObs</a>->Trav))->CurrentDate;
00562
00563
00564
00565 <font class="keywordflow">if</font> (idate != whm.Date)
00566 {
00567 whm.setUserPos((sint) (obsPos.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a> * invWaterRatio) - (WaterHeightMapSize >> 1),
00568 (sint) (obsPos.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a> * invWaterRatio) - (WaterHeightMapSize >> 1)
00569 );
00570 <a class="code" href="debug_8h.html#a6">nlassert</a>(m->_Scene); <font class="comment">// this object should have been created from a CWaterShape!</font>
00571 whm.animate((<font class="keywordtype">float</font>) (m->_Scene->getEllapsedTime()));
00572 whm.Date = idate;
00573 }
00574
00575 <font class="comment">//float startDate = (float) (1000.f * NLMISC::CTime::ticksToSecond(NLMISC::CTime::getPerformanceTime()));</font>
00576
00577 <font class="comment">//=====================================//</font>
00578 <font class="comment">// compute heightmap useful area //</font>
00579 <font class="comment">//=====================================//</font>
00580
00588 sint mapPosX, mapPosY;
00589
00592 whm.getUserPos(mapPosX, mapPosY);
00593
00594 <font class="keyword">const</font> uint mapBorder = 3;
00595 <font class="comment">/*const sint qRight = (sint) mapPosX + (WaterHeightMapSize >> 1) - mapBorder;</font>
00596 <font class="comment"> sint qLeft = (sint) mapPosX - (WaterHeightMapSize >> 1);</font>
00597 <font class="comment"> const sint qUp = (sint) mapPosY + (WaterHeightMapSize >> 1) - mapBorder;</font>
00598 <font class="comment"> sint qDown = (sint) mapPosY - (WaterHeightMapSize >> 1); */</font>
00599
00600
00601 <font class="keyword">const</font> sint qRight = (sint) mapPosX + WaterHeightMapSize - mapBorder;
00602 sint qLeft = (sint) mapPosX;
00603 <font class="keyword">const</font> sint qUp = (sint) mapPosY + WaterHeightMapSize - mapBorder;
00604 sint qDown = (sint) mapPosY;
00605
00607 <font class="keyword">const</font> sint qSubLeft = qLeft - (uint) qLeft % WaterHeightMapSize;
00608 <font class="keyword">const</font> sint qSubDown = qDown - (uint) qDown % WaterHeightMapSize;
00609
00610 qLeft += mapBorder;
00611 qDown += mapBorder;
00612
00613
00614
00615
00616 <font class="comment">//==============================================//</font>
00617 <font class="comment">// setup rays to be traced, and their increment //</font>
00618 <font class="comment">//==============================================//</font>
00619
00620
00621 <font class="comment">// compute camera rays in world space</font>
00622 CVector currHV = trav->Left * camMatUp.<a class="code" href="classNLMISC_1_1CMatrix.html#z291_7">getI</a>() + trav->Near * camMatUp.<a class="code" href="classNLMISC_1_1CMatrix.html#z291_8">getJ</a>() + trav->Top * camMatUp.<a class="code" href="classNLMISC_1_1CMatrix.html#z291_9">getK</a>(); <font class="comment">// current border vector, incremented at each line</font>
00623 CVector currV; <font class="comment">// current ray vector</font>
00624 CVector xStep = (trav->Right - trav->Left) * invNumStepX * camMatUp.<a class="code" href="classNLMISC_1_1CMatrix.html#z291_7">getI</a>(); <font class="comment">// xStep for the ray vector</font>
00625 CVector yStep = (trav->Bottom - trav->Top) * invNumStepY * camMatUp.<a class="code" href="classNLMISC_1_1CMatrix.html#z291_9">getK</a>(); <font class="comment">// yStep for the ray vector</font>
00626
00627
00628
00629 <font class="comment">//===============================================//</font>
00630 <font class="comment">// perform display //</font>
00631 <font class="comment">//===============================================//</font>
00632
00633 <font class="comment">// scale currHV at the top of the poly</font>
00634 currHV += (startY - 0.5f * isAbove) * yStep;
00635
00636 <font class="comment">// current index buffer used. We swap each time a row has been drawn</font>
00637 std::vector<uint32> *currIB = &CWaterShape::_IBUpDown, *otherIB = &CWaterShape::_IBDownUp;
00638
00639
00640 sint vIndex = 0; <font class="comment">// index in vertices </font>
00641
00642 <font class="comment">// current raster position</font>
00643 sint oldStartX, oldEndX, realStartX, realEndX;
00644 <font class="comment">//float invNearWidth = numStepX / (trav->Right - trav->Left);</font>
00645
00646 <font class="comment">//nlinfo("size = %d, maxSize = ", rasters.size(), numStepY);</font>
00647
00648
00649 <font class="keyword">const</font> uint wqHeight = rasters.size();
00650 <font class="keywordflow">if</font> (wqHeight)
00651 {
00652 <font class="comment">// denominator of the intersection equation</font>
00653 <font class="keyword">const</font> <font class="keywordtype">float</font> denom = - obsPos.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a> + zHeight;
00654 <font class="comment">// test the upper raster</font>
00655 <font class="comment">// if it is above the horizon, we modify it to reach the correct location</font>
00656 <font class="keyword">const</font> <font class="keywordtype">float</font> horizonEpsilon = 10E-4f; <font class="comment">// we must be a little below the horizon</font>
00657
00658 <font class="comment">// distance from the viewer along the traced ray</font>
00659 <font class="keywordtype">float</font> <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>;
00660
00661
00662
00663
00664 NLMISC::CPolygon2D::TRasterVect::const_iterator it = rasters.begin();
00665 <font class="keywordflow">for</font> (uint <a class="code" href="namespaceNLAISCRIPT.html#a20">l</a> = 0; <a class="code" href="namespaceNLAISCRIPT.html#a20">l</a> <= wqHeight; ++<a class="code" href="namespaceNLAISCRIPT.html#a20">l</a>)
00666 {
00667 <font class="comment">//nlinfo("start = %d, end = %d", it->first, it->second); </font>
00668 <font class="keyword">const</font> sint startX = it->first;
00669 <font class="keyword">const</font> sint endX = (it->second + 1);
00670
00671 <a class="code" href="debug_8h.html#a6">nlassert</a>(startX >= - (sint) rotBorderSize);
00672 <a class="code" href="debug_8h.html#a6">nlassert</a>(endX <= (sint) (numStepX + rotBorderSize));
00673
00674 <font class="keywordflow">if</font> (<a class="code" href="namespaceNLAISCRIPT.html#a20">l</a> != 0)
00675 {
00676 realStartX = <a class="code" href="bit__set_8cpp.html#a0">std::min</a>(startX, oldStartX);
00677 realEndX = std::max(endX, oldEndX);
00678 }
00679 <font class="keywordflow">else</font>
00680 {
00681 realStartX = startX;
00682 realEndX = endX;
00683 }
00684
00685
00686 <font class="comment">// current view vector</font>
00687 currV = currHV + (realStartX - 0.5f) * xStep;
00688
00689 <font class="keywordflow">if</font> (<a class="code" href="namespaceNLAISCRIPT.html#a20">l</a> == 0)
00690 {
00691 <font class="keywordflow">if</font> (isAbove)
00692 {
00693 <font class="comment">// test wether the first row is out of horizon.</font>
00694 <font class="comment">// if this is the case, we make a correction</font>
00695 <font class="keywordflow">if</font> (denom * currV.z <= 0)
00696 {
00697 <font class="comment">// correct for the first line only by adding a y offset</font>
00698 currV += yStep * ((denom > 0 ? horizonEpsilon : - horizonEpsilon) - currV.z) / yStep.z;
00699 }
00700
00701 <font class="comment">// now, for the transition, check wether the first raster does not go over the transition dist</font>
00702
00703 <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a> = denom / currV.z;
00704 <font class="keyword">const</font> <font class="keywordtype">float</font> VJ = camMat.<a class="code" href="classNLMISC_1_1CMatrix.html#z291_8">getJ</a>() * currV;
00705 <font class="keywordflow">if</font> ( <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a> * VJ > transitionDist)
00706 {
00707 <font class="keywordtype">float</font> delta = (1.f / yStep.z) * ( denom * VJ / transitionDist - currV.z);
00708 <font class="comment">// correct the first line to reach that position</font>
00709 currV += delta * yStep;
00710 }
00711 }
00712 }
00713
00714
00715 uint8 *vbPointer = (uint8 *) shape->_VB.getVertexCoordPointer() + shape->_VB.getVertexSize() * (vIndex + realStartX + rotBorderSize);
00716
00717
00718 <font class="keywordflow">for</font> (sint k = realStartX; k <= realEndX; ++k)
00719 {
00720 <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a> = denom / currV.z;
00721 <font class="comment">// compute intersection with plane </font>
00722 CVector inter = <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a> * currV;
00723 inter.z += obsPos.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a>;
00724 <a class="code" href="namespaceNL3D.html#a477">SetupWaterVertex</a>(qLeft, qRight, qUp, qDown, qSubLeft, qSubDown, inter, invWaterRatio, doubleWaterHeightMapSize, whm, vbPointer, obsPos.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>, obsPos.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>);
00725 currV += xStep;
00726 }
00727
00728 <font class="keywordflow">if</font> (<a class="code" href="namespaceNLAISCRIPT.html#a20">l</a> != 0) <font class="comment">// 2 line of the ib done ?</font>
00729 {
00730 sint count = oldEndX - oldStartX;
00731 <font class="keywordflow">if</font> (count > 0)
00732 {
00733 drv->renderSimpleTriangles(&((*currIB)[(oldStartX + rotBorderSize) * 6]),
00734 2 * count );
00735 }
00736 }
00737
00738 oldStartX = startX;
00739 oldEndX = endX;
00740 currHV += yStep;
00741 vIndex = (numStepX + 2 * rotBorderSize + 1) - vIndex; <font class="comment">// swap first row and second row</font>
00742 std::swap(currIB, otherIB);
00743 <font class="keywordflow">if</font> (<a class="code" href="namespaceNLAISCRIPT.html#a20">l</a> < (wqHeight - 1))
00744 {
00745 ++it;
00746 }
00747 <font class="keywordflow">else</font>
00748 {
00749 <font class="keywordflow">if</font> (!isAbove)
00750 {
00751 <font class="comment">// last line</font>
00752 <font class="comment">// test wether we are out of horizon</font>
00753 <font class="keywordflow">if</font> (denom * currHV.z <= 0)
00754 {
00755 <font class="comment">// correct for the first line only by adding a y offset</font>
00756 currHV += yStep * ((denom > 0 ? horizonEpsilon : - horizonEpsilon) - currHV.z) / yStep.z;
00757 }
00758
00759 <font class="comment">// now, for the transition, check wether the first raster does not go over the transition dist</font>
00760
00761 <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a> = denom / currHV.z;
00762 <font class="keyword">const</font> <font class="keywordtype">float</font> VJ = camMat.<a class="code" href="classNLMISC_1_1CMatrix.html#z291_8">getJ</a>() * currHV;
00763 <font class="keywordflow">if</font> ( <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a> * VJ > transitionDist)
00764 {
00765 <font class="keywordtype">float</font> delta = (1.f / yStep.z) * ( denom * VJ / transitionDist - currHV.z);
00766 <font class="comment">// correct the first line to reach that position</font>
00767 currHV += delta * yStep;
00768 }
00769 }
00770
00771 }
00772 }
00773
00774 }
00775 <font class="comment">//nlinfo("display: %f ms", (float) (1000.f * NLMISC::CTime::ticksToSecond(NLMISC::CTime::getPerformanceTime()) - startDate));</font>
00776 }
00777 }
00778
00779 <font class="comment">//=========================================//</font>
00780 <font class="comment">// display end poly //</font>
00781 <font class="comment">//=========================================//</font>
00782
00783 <font class="keywordflow">if</font> (endClippedPoly.<a class="code" href="classNLMISC_1_1CPolygon.html#m0">Vertices</a>.size() != 0)
00784 {
00785 CMatrix mtx; <font class="comment">/*= HrcObs->WorldMatrix;*/</font>
00786 <font class="comment">// mtx.setPos(NLMISC::CVector(-obsPos.x, -obsPos.y, obsPos.z));</font>
00787
00788 mtx.setPos(<a class="code" href="classNL3D_1_1IBaseRenderObs.html#m0">HrcObs</a>->WorldMatrix.getPos() + <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>(-obsPos.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>, -obsPos.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>, 0));
00789 <font class="comment">// set right obsever position</font>
00790 drv->setConstant(7, 0, 0, obsPos.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a> <font class="comment">/* - zHeight*/</font> , 0.f);
00791 <font class="comment">//setAttenuationFactor(drv, true, obsPos, camMat.getJ(), farDist); </font>
00792 <a class="code" href="namespaceNL3D.html#a479">DrawPoly2D</a>(shape->_VB, drv, mtx, endClippedPoly);
00793 }
00794
00795 <font class="comment">/*if (endTransitionClippedPoly.Vertices.size() != 0)</font>
00796 <font class="comment"> { </font>
00797 <font class="comment"> disableAttenuation(drv); </font>
00798 <font class="comment"> DrawPoly2D(shape->_VB, drv, HrcObs->WorldMatrix, endTransitionClippedPoly);</font>
00799 <font class="comment"> }*/</font>
00800
00801
00802 <font class="keywordflow">if</font> (drv->isVertexProgramSupported())
00803 {
00804 <font class="keywordtype">bool</font> result = drv->activeVertexProgram(NULL);
00805 <font class="keywordflow">if</font> (!result) <a class="code" href="debug_8h.html#a2">nlwarning</a>(<font class="stringliteral">"no vertex program setupped"</font>);
00806 }
00807
00808
00809 this-><a class="code" href="classNL3D_1_1IObs.html#z620_0">traverseSons</a>();
00810 }
00811
00812 <font class="comment">//***********************</font>
00813 <font class="comment">// Water MATERIAL SETUP //</font>
00814 <font class="comment">//***********************</font>
00815
<a name="l00816"></a><a class="code" href="classNL3D_1_1CWaterRenderObs.html#c0">00816</a> <font class="keywordtype">void</font> CWaterRenderObs::setupMaterialNVertexShader(IDriver *drv, CWaterShape *shape, <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &obsPos, <font class="keywordtype">bool</font> above, <font class="keywordtype">float</font> maxDist, <font class="keywordtype">float</font> zHeight)
00817 {
00818 CMaterial WaterMat;
00819 WaterMat.setLighting(<font class="keyword">false</font>);
00820 WaterMat.setDoubleSided(<font class="keyword">true</font>);
00821 WaterMat.setColor(<a class="code" href="classNLMISC_1_1CRGBA.html#p7">NLMISC::CRGBA::White</a>);
00822
00823 WaterMat.setBlend(<font class="keyword">true</font>);
00824 WaterMat.setSrcBlend(CMaterial::srcalpha);
00825 WaterMat.setDstBlend(CMaterial::invsrcalpha);
00826 WaterMat.setZWrite(<font class="keyword">true</font>);
00827
00828 <font class="keywordflow">if</font> (drv->isVertexProgramSupported())
00829 {
00830 <font class="keyword">const</font> uint cstOffset = 4; <font class="comment">// 4 places for the matrix</font>
00831 <a class="code" href="classNLMISC_1_1CVectorH.html">NLMISC::CVectorH</a> cst[13];
00832
00833
00834 <font class="comment">//=========================//</font>
00835 <font class="comment">// setup Water material //</font>
00836 <font class="comment">//=========================//</font>
00837
00838 uint alphaMapStage, envMapStage;
00839 WaterMat.setColor(<a class="code" href="classNLMISC_1_1CRGBA.html#p7">NLMISC::CRGBA::White</a>);
00840
00841 <font class="keywordtype">bool</font> useBumpedVersion = <font class="keyword">false</font>;
00842 <font class="keywordtype">bool</font> useEMBM = <font class="keyword">false</font>;
00843 <font class="keywordflow">if</font> (drv->getNbTextureStages() >= 4 && (drv->supportTextureShaders() || drv->supportEMBM()))
00844 {
00845 <font class="keywordflow">if</font> (drv->supportTextureShaders())
00846 {
00847 useBumpedVersion = <font class="keyword">true</font>;
00848 }
00849 <font class="keywordflow">else</font> <font class="comment">// must support EMBM on stages 0 and 1</font>
00850 {
00851 <font class="keywordflow">if</font> (drv->isEMBMSupportedAtStage(0) && drv->isEMBMSupportedAtStage(1))
00852 {
00853 useBumpedVersion = <font class="keyword">true</font>;
00854 useEMBM = <font class="keyword">true</font>;
00855 }
00856 }
00857 }
00858
00859
00860 <font class="keywordflow">if</font> (!useBumpedVersion)
00861 {
00862 WaterMat.texEnvOpRGB(0, CMaterial::Modulate);
00863 alphaMapStage = 1;
00864 envMapStage = 0;
00865 }
00866 <font class="keywordflow">else</font>
00867 {
00868 shape->updateHeightMapNormalizationFactors();
00869
00870 <font class="comment">// setup bump proj matrix </font>
00871 <font class="keyword">const</font> <font class="keywordtype">float</font> idMat[] = {0.25f * shape->_HeightMapNormalizationFactor[0], 0, 0, 0.25f * shape->_HeightMapNormalizationFactor[0]};
00872 <font class="keyword">const</font> <font class="keywordtype">float</font> idMat2[] = {shape->_HeightMapNormalizationFactor[1], 0, 0, shape->_HeightMapNormalizationFactor[1]};
00873
00874 WaterMat.setTexture(0, shape->_BumpMap[0]);
00875 WaterMat.setTexture(1, shape->_BumpMap[1]);
00876 WaterMat.texEnvOpRGB(2, CMaterial::Replace);
00877 alphaMapStage = 3;
00878 envMapStage = 2;
00879
00880 <font class="comment">// Version with texture shaders</font>
00881 <font class="keywordflow">if</font> (!useEMBM)
00882 {
00883 drv->setMatrix2DForTextureOffsetAddrMode(1, idMat);
00884 drv->setMatrix2DForTextureOffsetAddrMode(2, idMat2);
00885
00886
00887 <font class="comment">//if (shape->_BumpMap[0]->supportSharing()) nlinfo(shape->_BumpMap[0]->getShareName().c_str());</font>
00888 <font class="comment">//if (shape->_BumpMap[1]->supportSharing()) nlinfo(shape->_BumpMap[1]->getShareName().c_str());</font>
00889
00890 <font class="comment">/*WaterMat.texEnvOpRGB(1, CMaterial::Replace);</font>
00891 <font class="comment"> WaterMat.texEnvOpRGB(1, CMaterial::Replace);*/</font>
00892 WaterMat.enableTexAddrMode();
00893 WaterMat.setTexAddressingMode(0, CMaterial::FetchTexture);
00894 WaterMat.setTexAddressingMode(1, CMaterial::OffsetTexture);
00895 WaterMat.setTexAddressingMode(2, CMaterial::OffsetTexture);
00896 WaterMat.setTexAddressingMode(3, shape->_ColorMap ? CMaterial::FetchTexture : CMaterial::TextureOff);
00897 }
00898 <font class="keywordflow">else</font> <font class="comment">// version with EMBM</font>
00899 {
00900 drv->setEMBMMatrix(0, idMat2);
00901 drv->setEMBMMatrix(1, idMat2);
00902 WaterMat.texEnvOpRGB(0, CMaterial::EMBM);
00903 <font class="comment">//WaterMat.texEnvOpRGB(0, CMaterial::Replace);</font>
00904 <font class="comment">//WaterMat.texEnvOpRGB(0, CMaterial::EMBM);</font>
00905 WaterMat.texEnvOpRGB(1, CMaterial::EMBM);
00906 WaterMat.setTexture(0, NULL);
00907 }
00908 }
00909
00910
00911 <font class="keywordflow">if</font> (!above && shape->_EnvMap[1])
00912 {
00913 WaterMat.setTexture(envMapStage, shape->_EnvMap[1]);
00914 <font class="comment">//if (shape->_EnvMap[1]->supportSharing()) nlinfo(shape->_EnvMap[1]->getShareName().c_str());</font>
00915 }
00916 <font class="keywordflow">else</font>
00917 {
00918 WaterMat.setTexture(envMapStage, shape->_EnvMap[0]);
00919 }
00920 shape->envMapUpdate();
00921
00922
00923 <font class="keywordflow">if</font> (shape->_ColorMap)
00924 {
00925 WaterMat.setTexture(alphaMapStage, shape->_ColorMap);
00926 <font class="comment">//if (shape->_ColorMap->supportSharing()) nlinfo(shape->_ColorMap->getShareName().c_str());</font>
00927
00928
00929 <font class="comment">// setup 2x3 matrix for lookup in diffuse map</font>
00930 cst[13 - cstOffset].<a class="code" href="classNLMISC_1_1CVectorH.html#a4">set</a>(shape->_ColorMapMatColumn0.x, shape->_ColorMapMatColumn1.x, 0, shape->_ColorMapMatColumn0.x * obsPos.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a> + shape->_ColorMapMatColumn1.x * obsPos.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a> + shape->_ColorMapMatPos.x);
00931 cst[14 - cstOffset].<a class="code" href="classNLMISC_1_1CVectorH.html#a4">set</a>(shape->_ColorMapMatColumn0.y, shape->_ColorMapMatColumn1.y, 0, shape->_ColorMapMatColumn0.y * obsPos.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a> + shape->_ColorMapMatColumn1.y * obsPos.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a> + shape->_ColorMapMatPos.y);
00932 WaterMat.texEnvOpRGB(alphaMapStage, CMaterial::Modulate);
00933 WaterMat.texEnvOpAlpha(alphaMapStage, CMaterial::Modulate);
00934 }
00935 <font class="keywordflow">else</font>
00936 {
00937 cst[13 - cstOffset].<a class="code" href="classNLMISC_1_1CVectorH.html#a4">set</a>(0, 0, 0, 0);
00938 cst[14 - cstOffset].<a class="code" href="classNLMISC_1_1CVectorH.html#a4">set</a>(0, 0, 0, 0);
00939 }
00940
00941 cst[16 - cstOffset].<a class="code" href="classNLMISC_1_1CVectorH.html#a4">set</a>(0.1f, 0.1f, 0.1f, 0.1f); <font class="comment">// used to avoid imprecision when performing a RSQ to get distance from the origin</font>
00942 <font class="comment">// cst[16 - cstOffset].set(0.0f, 0.0f, 0.0f, 0.0f); // used to avoid imprecision when performing a RSQ to get distance from the origin</font>
00943
00944
00945
00946
00947 cst[5 - cstOffset].<a class="code" href="classNLMISC_1_1CVectorH.html#a4">set</a>(0.f, 0.f, 0.f, 0.f); <font class="comment">// claping negative values to 0</font>
00948
00949 <font class="comment">// slope of attenuation of normal / height with distance </font>
00950 <font class="keyword">const</font> <font class="keywordtype">float</font> invMaxDist = shape->_WaveHeightFactor / maxDist;
00951 cst[6 - cstOffset].<a class="code" href="classNLMISC_1_1CVectorH.html#a4">set</a>(invMaxDist, shape->_WaveHeightFactor, 0, 0);
00952
00953 <font class="comment">/*cst[6 - cstOffset].set(invMaxDist, invMaxDist, invMaxDist, invMaxDist); // upcoming light vectorshape->_WaveHeightFactor </font>
00954 <font class="comment"> cst[15 - cstOffset].set(shape->_WaveHeightFactor, shape->_WaveHeightFactor, shape->_WaveHeightFactor, shape->_WaveHeightFactor);</font>
00955 <font class="comment"> */</font>
00956
00957
00958
00959
00961 drv->setConstantMatrix(0, IDriver::ModelViewProjection, IDriver::Identity);
00962
00963 <font class="comment">// retrieve current time</font>
00964 <font class="keywordtype">float</font> date = 0.001f * <a class="code" href="classNLMISC_1_1CTime.html#d1">NLMISC::CTime::getLocalTime</a>();
00965 <font class="comment">// set bumpmaps pos</font>
00966 cst[9 - cstOffset].<a class="code" href="classNLMISC_1_1CVectorH.html#a4">set</a>(obsPos.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a> * shape->_HeightMapScale[0].x + date * shape->_HeightMapSpeed[0].x, shape->_HeightMapScale[0].y * obsPos.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a> + date * shape->_HeightMapSpeed[0].y, 0.f, 0.f); <font class="comment">// bump map 0 offset</font>
00967 cst[10 - cstOffset].<a class="code" href="classNLMISC_1_1CVectorH.html#a4">set</a>(shape->_HeightMapScale[0].x, shape->_HeightMapScale[0].y, 0, 0); <font class="comment">// bump map 0 scale</font>
00968 cst[11 - cstOffset].<a class="code" href="classNLMISC_1_1CVectorH.html#a4">set</a>(shape->_HeightMapScale[1].x * obsPos.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a> + date * shape->_HeightMapSpeed[1].x, shape->_HeightMapScale[1].y * obsPos.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a> + date * shape->_HeightMapSpeed[0].y, 0.f, 0.f); <font class="comment">// bump map 1 offset</font>
00969 cst[12 - cstOffset].<a class="code" href="classNLMISC_1_1CVectorH.html#a4">set</a>(shape->_HeightMapScale[1].x, shape->_HeightMapScale[1].y, 0, 0); <font class="comment">// bump map 1 scale</font>
00970
00971
00972
00973
00974
00975
00976 cst[4 - cstOffset].<a class="code" href="classNLMISC_1_1CVectorH.html#a4">set</a>(1.f, 1.f, 1.f, 1.f); <font class="comment">// use with min man, and to get the 1 constant </font>
00977 cst[7 - cstOffset].<a class="code" href="classNLMISC_1_1CVectorH.html#a4">set</a>(0, 0, obsPos.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a> - zHeight, 0.f);
00978 cst[8 - cstOffset].<a class="code" href="classNLMISC_1_1CVectorH.html#a4">set</a>(0.5f, 0.5f, 0.f, 0.f); <font class="comment">// used to scale reflected ray into the envmap</font>
00979
00980
00981
00982
00984 drv->setConstant(4, <font class="keyword">sizeof</font>(cst) / <font class="keyword">sizeof</font>(cst[0]), (<font class="keywordtype">float</font> *) &cst[0]);
00985
00986 shape->initVertexProgram();
00987 <font class="keywordtype">bool</font> result;
00988 <font class="keywordflow">if</font> (useBumpedVersion)
00989 {
00990 <font class="keywordflow">if</font> (!useEMBM)
00991 {
00992 result = shape->getColorMap() ? drv->activeVertexProgram((shape->_VertexProgramBump2Diffuse).get())
00993 : drv->activeVertexProgram((shape->_VertexProgramBump2).get());
00994 }
00995 <font class="keywordflow">else</font>
00996 {
00997 result = shape->getColorMap() ? drv->activeVertexProgram((shape->_VertexProgramBump1Diffuse).get())
00998 : drv->activeVertexProgram((shape->_VertexProgramBump1).get());
00999 }
01000 }
01001 <font class="keywordflow">else</font>
01002 {
01003 result = shape->getColorMap() ? drv->activeVertexProgram((shape->_VertexProgramNoBumpDiffuse).get())
01004 : drv->activeVertexProgram((shape->_VertexProgramNoBump).get());
01005 }
01006 <font class="keywordflow">if</font> (!result) <a class="code" href="debug_8h.html#a2">nlwarning</a>(<font class="stringliteral">"no vertex program setupped"</font>);
01007 }
01008 <font class="keywordflow">else</font>
01009 {
01010 WaterMat.setColor(<a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a>(0, 32, 190, 128));
01011 }
01012
01013
01014 <font class="comment">// temp for test</font>
01015 <font class="comment">/* WaterMat = CMaterial();</font>
01016 <font class="comment"> WaterMat.initUnlit();</font>
01017 <font class="comment"> WaterMat.setDoubleSided(true);</font>
01018 <font class="comment"> WaterMat.setColor(CRGBA::Red);</font>
01019 <font class="comment"></font>
01020 <font class="comment"></font>
01021 <font class="comment"> WaterMat.texEnvOpRGB(0, CMaterial::Replace);</font>
01022 <font class="comment"> WaterMat.texEnvOpAlpha(0, CMaterial::Replace);</font>
01023 <font class="comment"> WaterMat.texEnvArg0RGB(0, CMaterial::Diffuse, CMaterial::SrcColor);</font>
01024 <font class="comment"> WaterMat.texEnvArg0Alpha(0, CMaterial::Diffuse, CMaterial::SrcAlpha);</font>
01025 <font class="comment"> */</font>
01026
01027 drv->setupMaterial(WaterMat);
01028 }
01029
01030 <font class="comment">//=======================================================================================</font>
01031 <font class="comment">// wave maker implementation</font>
01032 <font class="comment">//=======================================================================================</font>
01033
01034
<a name="l01035"></a><a class="code" href="classNL3D_1_1CWaveMakerModel.html#a0">01035</a> CWaveMakerModel::CWaveMakerModel() : _Time(0), _Scene(NULL)
01036 {
01037 <font class="comment">// AnimDetail behavior: Must be traversed in AnimDetail, even if no channel mixer registered</font>
01038 CTransform::setIsForceAnimDetail(<font class="keyword">true</font>);
01039 }
01040
01041 <font class="comment">//================================================</font>
01042
<a name="l01043"></a><a class="code" href="classNL3D_1_1CWaveMakerModel.html#d0">01043</a> <font class="keywordtype">void</font> CWaveMakerModel::registerBasic()
01044 {
01045 CMOT::registerModel(<a class="code" href="namespaceNL3D.html#a311">WaveMakerModelClassId</a>, <a class="code" href="namespaceNL3D.html#a277">TransformShapeId</a>, CWaveMakerModel::creator);
01046 CMOT::registerObs(<a class="code" href="namespaceNL3D.html#a3">AnimDetailTravId</a>, <a class="code" href="namespaceNL3D.html#a311">WaveMakerModelClassId</a>, CWaveMakerDetailObs::creator);
01047 }
01048
01049 <font class="comment">//================================================</font>
01050
<a name="l01051"></a><a class="code" href="classNL3D_1_1CWaveMakerModel.html#a1">01051</a> ITrack* CWaveMakerModel::getDefaultTrack (uint valueId)
01052 {
01053 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CTransformShape.html#m0">Shape</a>);
01054 <a class="code" href="classNL3D_1_1CWaveMakerModel.html#l1">CWaveMakerShape</a> *ws = NLMISC::safe_cast<CWaveMakerShape *>((IShape *) <a class="code" href="classNL3D_1_1CTransformShape.html#m0">Shape</a>);
01055 <font class="keywordflow">switch</font> (valueId)
01056 {
01057 <font class="keywordflow">case</font> <a class="code" href="classNL3D_1_1ITransformable.html#z872_0s5">PosValue</a>: <font class="keywordflow">return</font> ws->getDefaultPos(); <font class="keywordflow">break</font>;
01058 <font class="keywordflow">default</font>: <font class="comment">// delegate to parent</font>
01059 <font class="keywordflow">return</font> CTransformShape::getDefaultTrack(valueId);
01060 <font class="keywordflow">break</font>;
01061 }
01062 }
01063
01064 <font class="comment">//================================================</font>
01065
<a name="l01066"></a><a class="code" href="classNL3D_1_1CWaveMakerDetailObs.html#a0">01066</a> <font class="keywordtype">void</font> CWaveMakerDetailObs::traverse(IObs *caller)
01067 {
01068 CTransformAnimDetailObs::traverse(caller);
01070 CWaveMakerModel *wmm = NLMISC::safe_cast<CWaveMakerModel *>(Model);
01071 <a class="code" href="debug_8h.html#a6">nlassert</a>(wmm->_Scene);
01073 CWaveMakerShape *wms = NLMISC::safe_cast<CWaveMakerShape *>((IShape *) wmm->Shape);
01074 <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> worldPos = this-><a class="code" href="classNL3D_1_1IBaseAnimDetailObs.html#m1">ClipObs</a>->HrcObs->WorldMatrix.getPos();
01075 <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector2f.html">NLMISC::CVector2f</a> pos2d(worldPos.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>, worldPos.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>);
01077 CWaterHeightMap &whm = <a class="code" href="namespaceNL3D.html#a480">GetWaterPoolManager</a>().getPoolByID(wms->_PoolID);
01078 <font class="comment">// get the time delta </font>
01079 <font class="keyword">const</font> <a class="code" href="namespaceNL3D.html#a1">TAnimationTime</a> deltaT = <a class="code" href="bit__set_8cpp.html#a0">std::min</a>(wmm->_Scene->getEllapsedTime(), (TAnimationTime) whm.getPropagationTime());
01080 wmm->_Time += deltaT;
01081 <font class="keywordflow">if</font> (!wms->_ImpulsionMode)
01082 {
01083 whm.perturbate(pos2d, wms->_Intensity * cosf(2.f / wms->_Period * (<font class="keywordtype">float</font>) NLMISC::Pi * wmm->_Time), wms->_Radius);
01084 }
01085 <font class="keywordflow">else</font>
01086 {
01087 <font class="keywordflow">if</font> (wmm->_Time > wms->_Period)
01088 {
01089 wmm->_Time -= wms->_Period;
01090 whm.perturbate(pos2d, wms->_Intensity, wms->_Radius);
01091 }
01092 }
01093 this-><a class="code" href="classNL3D_1_1IObs.html#z620_0">traverseSons</a>();
01094 }
01095
01096
01097 } <font class="comment">// NL3D</font>
</pre></div>
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