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doxygen="_cgi:http://www.nevrax.org/cgi-bin/nel-search.cgi" href="http://www.nevrax.org/cgi-bin/nel-search.cgi">Search</a> </center> +<hr><h1>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> + +<!-- footer --> +<BR><FONT Size=+5> </FONT> +</TD> +<TD WIDTH=15><IMG SRC=http://www.nevrax.org/inc/img/pixel.gif WIDTH=15 HEIGHT=15 BORDER=0 ALT=""></TD> +</TR> +</TABLE> +</BODY> +</HTML> |