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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>patchdlm_context.cpp</h1><a href="patchdlm__context_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001 +00007 <font class="comment">/* Copyright, 2000-2002 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="patchdlm__context_8h.html">3d/patchdlm_context.h</a>"</font> +00029 <font class="preprocessor">#include "<a class="code" href="patch_8h.html">3d/patch.h</a>"</font> +00030 <font class="preprocessor">#include "<a class="code" href="bezier__patch_8h.html">3d/bezier_patch.h</a>"</font> +00031 <font class="preprocessor">#include "<a class="code" href="point__light_8h.html">3d/point_light.h</a>"</font> +00032 <font class="preprocessor">#include "<a class="code" href="texture__dlm_8h.html">3d/texture_dlm.h</a>"</font> +00033 <font class="preprocessor">#include "<a class="code" href="fast__floor_8h.html">3d/fast_floor.h</a>"</font> +00034 <font class="preprocessor">#include "<a class="code" href="tile__far__bank_8h.html">3d/tile_far_bank.h</a>"</font> +00035 <font class="preprocessor">#include "<a class="code" href="landscape_8h.html">3d/landscape.h</a>"</font> +00036 <font class="preprocessor">#include "<a class="code" href="system__info_8h.html">nel/misc/system_info.h</a>"</font> +00037 <font class="preprocessor">#include "<a class="code" href="fast__mem_8h.html">nel/misc/fast_mem.h</a>"</font> +00038 +00039 +00040 <font class="keyword">using</font> <font class="keyword">namespace </font>std; +00041 <font class="keyword">using</font> <font class="keyword">namespace </font>NLMISC; +00042 +00043 <font class="keyword">namespace </font>NL3D +00044 { +00045 +00046 <font class="comment">// ***************************************************************************</font> +00047 <font class="comment">// ***************************************************************************</font> +00048 <font class="comment">// ***************************************************************************</font> +00049 +00050 +00051 <font class="comment">// ***************************************************************************</font> +<a name="l00052"></a><a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#a0">00052</a> <font class="keywordtype">void</font> CPatchDLMPointLight::compile(<font class="keyword">const</font> CPointLight &pl, <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a> landDiffMat, <font class="keywordtype">float</font> maxAttEnd) +00053 { +00054 <a class="code" href="debug_8h.html#a6">nlassert</a>(maxAttEnd>0); +00055 +00056 <font class="comment">// copy color</font> +00057 <a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m0">R</a>= (float) (( pl.getDiffuse().R*(landDiffMat.<a class="code" href="classNLMISC_1_1CRGBA.html#m0">R</a>+1) ) >>8); +00058 <a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m1">G</a>= (float) (( pl.getDiffuse().G*(landDiffMat.<a class="code" href="classNLMISC_1_1CRGBA.html#m1">G</a>+1) ) >>8); +00059 <a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m2">B</a>= (float) (( pl.getDiffuse().B*(landDiffMat.<a class="code" href="classNLMISC_1_1CRGBA.html#m2">B</a>+1) ) >>8); +00060 <font class="comment">// Copy Spot/Pos/Dir.</font> +00061 <a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m3">IsSpot</a>= pl.getType() == CPointLight::SpotLight; +00062 <a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m4">Pos</a>= pl.getPosition(); +00063 <a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m5">Dir</a>= pl.getSpotDirection(); +00064 +00065 <font class="comment">// compute spot params</font> +00066 <font class="keywordflow">if</font>(IsSpot) +00067 { +00068 <a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m6">CosMax</a>= cosf(pl.getSpotAngleBegin()); +00069 <a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m7">CosMin</a>= cosf(pl.getSpotAngleEnd()); +00070 } +00071 <font class="keywordflow">else</font> +00072 { +00073 <font class="comment">// with tesse Values, we have always (cosSpot-CosMin) * OOCosDelta > 1.0f</font> +00074 <a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m6">CosMax</a>= -1; +00075 <a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m7">CosMin</a>= -2; +00076 } +00077 <a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m8">OOCosDelta</a>= 1.f / (<a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m6">CosMax</a>-<a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m7">CosMin</a>); +00078 +00079 <font class="comment">// compute att params</font> +00080 <a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m9">AttMax</a>= pl.getAttenuationEnd(); +00081 <a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m10">AttMin</a>= pl.getAttenuationBegin(); +00082 <font class="comment">// infinite pointLight?</font> +00083 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m9">AttMax</a>==0) +00084 { +00085 <a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m9">AttMax</a>= maxAttEnd; +00086 <a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m10">AttMin</a>= maxAttEnd*0.99f; +00087 } +00088 <font class="comment">// To big pointLigt?</font> +00089 <font class="keywordflow">else</font> <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m9">AttMax</a>>maxAttEnd) +00090 { +00091 <a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m9">AttMax</a>= maxAttEnd; +00092 <a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m10">AttMin</a>= <a class="code" href="bit__set_8cpp.html#a0">min</a>(<a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m10">AttMin</a>, maxAttEnd*0.99f); +00093 } +00094 <font class="comment">// compile distance</font> +00095 <a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m11">OOAttDelta</a>= 1.f / (<a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m10">AttMin</a>-<a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m9">AttMax</a>); +00096 +00097 +00098 <font class="comment">// Compute bounding sphere.</font> +00099 <font class="comment">// If not a spot or if angleMin>Pi/2</font> +00100 <font class="keywordflow">if</font>(!<a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m3">IsSpot</a> || <a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m7">CosMin</a><0) +00101 { +00102 <font class="comment">// Take sphere of pointlight sphere</font> +00103 <a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m12">BSphere</a>.<a class="code" href="classNLMISC_1_1CBSphere.html#m0">Center</a>= <a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m4">Pos</a>; +00104 <a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m12">BSphere</a>.<a class="code" href="classNLMISC_1_1CBSphere.html#m1">Radius</a>= <a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m9">AttMax</a>; +00105 <font class="comment">// The bbox englobe the sphere.</font> +00106 <a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m13">BBox</a>.<a class="code" href="classNLMISC_1_1CAABBox.html#z263_0">setCenter</a>(<a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m4">Pos</a>); +00107 <a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m13">BBox</a>.<a class="code" href="classNLMISC_1_1CAABBox.html#z263_1">setHalfSize</a>(CVector(<a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m9">AttMax</a>, <a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m9">AttMax</a>, <a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m9">AttMax</a>)); +00108 } +00109 <font class="keywordflow">else</font> +00110 { +00111 <font class="comment">// Compute BSphere.</font> +00112 <font class="comment">//==============</font> +00113 +00114 <font class="comment">// compute sinus of AngleMin</font> +00115 <font class="keywordtype">float</font> sinMin= sqrtf(1-<a class="code" href="namespaceNLMISC.html#a214">sqr</a>(<a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m7">CosMin</a>)); +00116 +00117 <font class="comment">// Test 2 centers: Center of radius along Dir: Pos+Dir*AttMax/2, and intersection of end cone with line (Pos,Dir)</font> +00118 <font class="comment">// Don't know why but I think they are sufficiently good :)</font> +00119 <font class="comment">// See below for computing of those centers.</font> +00120 +00121 <font class="comment">/* compute radius of each sphere by taking max of 3 distances: distance to spotLight center, distance</font> +00122 <font class="comment"> to spotLight forward extremity, and distance to spotLight circle interstion Cone/Sphere. (named DCCS)</font> +00123 <font class="comment"> NB: Do the compute with radius=1 at first, then multiply later.</font> +00124 <font class="comment"> */</font> +00125 <font class="keywordtype">float</font> radius1= 0.5f; <font class="comment">// =max(0.5, 0.5); max distance to spot center and extremity center :)</font> +00126 <font class="comment">// for distance DCCS, this is the hypothenuse of (cosMin-0.5) + sinMin.</font> +00127 <font class="keywordtype">float</font> dccs= sqrtf( <a class="code" href="namespaceNLMISC.html#a214">sqr</a>(<a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m7">CosMin</a>-0.5f) + <a class="code" href="namespaceNLMISC.html#a214">sqr</a>(sinMin)); +00128 <font class="comment">// take the bigger.</font> +00129 radius1= max(radius1, dccs ); +00130 +00131 <font class="comment">// Same reasoning for center2.</font> +00132 <font class="keywordtype">float</font> radius2= max(<a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m7">CosMin</a>, 1-<a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m7">CosMin</a>); <font class="comment">// max distance to spot center and extremity center :)</font> +00133 <font class="comment">// for distance DCCS, it is simply sinMin!!</font> +00134 dccs= sinMin; +00135 <font class="comment">// take the bigger.</font> +00136 radius2= max(radius2, dccs ); +00137 +00138 +00139 <font class="comment">// Then take the center which gives the smaller sphere</font> +00140 <font class="keywordflow">if</font>(radius1<radius2) +00141 { +00142 <a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m12">BSphere</a>.<a class="code" href="classNLMISC_1_1CBSphere.html#m0">Center</a>= <a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m4">Pos</a> + (<a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m5">Dir</a>*0.5f*<a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m9">AttMax</a>); +00143 <font class="comment">// radius1 E [0,1], must take real size.</font> +00144 <a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m12">BSphere</a>.<a class="code" href="classNLMISC_1_1CBSphere.html#m1">Radius</a>= radius1 * <a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m9">AttMax</a>; +00145 } +00146 <font class="keywordflow">else</font> +00147 { +00148 <a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m12">BSphere</a>.<a class="code" href="classNLMISC_1_1CBSphere.html#m0">Center</a>= <a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m4">Pos</a> + (<a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m5">Dir</a>*<a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m7">CosMin</a>*<a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m9">AttMax</a>); +00149 <font class="comment">// radius2 E [0,1], must take real size.</font> +00150 <a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m12">BSphere</a>.<a class="code" href="classNLMISC_1_1CBSphere.html#m1">Radius</a>= radius2 * <a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m9">AttMax</a>; +00151 } +00152 +00153 +00154 <font class="comment">// Compute BBox.</font> +00155 <font class="comment">//==============</font> +00156 +00157 <font class="comment">// just take bbox of the sphere, even if not optimal.</font> +00158 <a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m13">BBox</a>.<a class="code" href="classNLMISC_1_1CAABBox.html#z263_0">setCenter</a>(<a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m12">BSphere</a>.<a class="code" href="classNLMISC_1_1CBSphere.html#m0">Center</a>); +00159 <font class="keywordtype">float</font> rad= <a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m12">BSphere</a>.<a class="code" href="classNLMISC_1_1CBSphere.html#m1">Radius</a>; +00160 <a class="code" href="classNL3D_1_1CPatchDLMPointLight.html#m13">BBox</a>.<a class="code" href="classNLMISC_1_1CAABBox.html#z263_1">setHalfSize</a>( CVector(rad, rad, rad) ); +00161 } +00162 } +00163 +00164 +00165 <font class="comment">// ***************************************************************************</font> +00166 <font class="comment">// ***************************************************************************</font> +00167 <font class="comment">// ***************************************************************************</font> +00168 +00169 +00170 <font class="comment">// ***************************************************************************</font> +<a name="l00171"></a><a class="code" href="classNL3D_1_1CPatchDLMContext.html#a0">00171</a> CPatchDLMContext::CPatchDLMContext() +00172 { +00173 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o0">_Patch</a>= NULL; +00174 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o1">_DLMTexture</a>= NULL; +00175 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o2">_DLMContextList</a>= NULL; +00176 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#m12">OldPointLightCount</a>= 0; +00177 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#m13">CurPointLightCount</a>= 0; +00178 <font class="comment">// By default there is crash in textures</font> +00179 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o6">_IsSrcTextureFullBlack</a>= <font class="keyword">false</font>; +00180 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o7">_IsDstTextureFullBlack</a>= <font class="keyword">false</font>; +00181 } +00182 +00183 +00184 <font class="comment">// ***************************************************************************</font> +<a name="l00185"></a><a class="code" href="classNL3D_1_1CPatchDLMContext.html#a1">00185</a> CPatchDLMContext::~CPatchDLMContext() +00186 { +00187 <font class="comment">// release the lightmap in the texture</font> +00188 <font class="keywordflow">if</font>(_DLMTexture) +00189 { +00190 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o1">_DLMTexture</a>->releaseLightMap(<a class="code" href="classNL3D_1_1CPatchDLMContext.html#m0">TextPosX</a>, <a class="code" href="classNL3D_1_1CPatchDLMContext.html#m1">TextPosY</a>); +00191 } +00192 <font class="comment">// exit</font> +00193 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o0">_Patch</a>= NULL; +00194 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o1">_DLMTexture</a>= NULL; +00195 +00196 <font class="comment">// remove it from list.</font> +00197 <font class="keywordflow">if</font>(_DLMContextList) +00198 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o2">_DLMContextList</a>->remove(<font class="keyword">this</font>); +00199 } +00200 +00201 +00202 <font class="comment">// ***************************************************************************</font> +00203 <font class="preprocessor">#ifdef NL_DLM_TILE_RES</font> +00204 <font class="preprocessor"></font><font class="comment">// if tileRes defined, still start to clip at tessBlockLevel.</font> +00205 <font class="preprocessor">#define NL_DLM_CLIP_FACTOR 2</font> +00206 <font class="preprocessor"></font><font class="preprocessor">#else</font> +00207 <font class="preprocessor"></font><font class="comment">// start to clip at tessBlockLevel (same as dlm map precision)</font> +<a name="l00208"></a><a class="code" href="patchdlm__context_8cpp.html#a0">00208</a> <font class="preprocessor">#define NL_DLM_CLIP_FACTOR 1</font> +00209 <font class="preprocessor"></font><font class="preprocessor">#endif</font> +00210 <font class="preprocessor"></font> +<a name="l00211"></a><a class="code" href="patchdlm__context_8cpp.html#a1">00211</a> <font class="preprocessor">#define NL_DLM_CLIP_NUM_LEVEL 3</font> +00212 <font class="preprocessor"></font> +00213 <font class="comment">// ***************************************************************************</font> +<a name="l00214"></a><a class="code" href="classNL3D_1_1CPatchDLMContext.html#a2">00214</a> <font class="keywordtype">bool</font> CPatchDLMContext::generate(CPatch *patch, CTextureDLM *textureDLM, CPatchDLMContextList *ctxList) +00215 { +00216 <a class="code" href="debug_8h.html#a6">nlassert</a>(patch); +00217 <a class="code" href="debug_8h.html#a6">nlassert</a>(textureDLM); +00218 <a class="code" href="debug_8h.html#a6">nlassert</a>(ctxList); +00219 +00220 <font class="comment">// keep info on patch/landscape.</font> +00221 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o0">_Patch</a>= patch; +00222 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o1">_DLMTexture</a>= textureDLM; +00223 <font class="comment">// append to the list.</font> +00224 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o2">_DLMContextList</a>= ctxList; +00225 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o2">_DLMContextList</a>->append(<font class="keyword">this</font>); +00226 +00227 <font class="comment">// Get Texture Size info; </font> +00228 <font class="preprocessor">#ifdef NL_DLM_TILE_RES</font> +00229 <font class="preprocessor"></font> <font class="comment">// get coord at cornes of tiles</font> +00230 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#m2">Width</a>= (<a class="code" href="classNL3D_1_1CPatchDLMContext.html#o0">_Patch</a>->getOrderS())+1; +00231 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#m3">Height</a>= (<a class="code" href="classNL3D_1_1CPatchDLMContext.html#o0">_Patch</a>->getOrderT())+1; +00232 <font class="preprocessor">#else</font> +00233 <font class="preprocessor"></font> <font class="comment">// get coord at cornes of tessBlocks</font> +00234 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#m2">Width</a>= (<a class="code" href="classNL3D_1_1CPatchDLMContext.html#o0">_Patch</a>->getOrderS()/2)+1; +00235 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#m3">Height</a>= (<a class="code" href="classNL3D_1_1CPatchDLMContext.html#o0">_Patch</a>->getOrderT()/2)+1; +00236 <font class="preprocessor">#endif</font> +00237 <font class="preprocessor"></font> +00238 <font class="comment">// Allocate space in texture</font> +00239 <font class="keywordflow">if</font>(!<a class="code" href="classNL3D_1_1CPatchDLMContext.html#o1">_DLMTexture</a>->createLightMap(<a class="code" href="classNL3D_1_1CPatchDLMContext.html#m2">Width</a>, <a class="code" href="classNL3D_1_1CPatchDLMContext.html#m3">Height</a>, <a class="code" href="classNL3D_1_1CPatchDLMContext.html#m0">TextPosX</a>, <a class="code" href="classNL3D_1_1CPatchDLMContext.html#m1">TextPosY</a>)) +00240 { +00241 <font class="comment">// Mark as not allocated.</font> +00242 <font class="comment">// NB: the context still work with NULL _DLMTexture, but do nothing (excpetionnal case)</font> +00243 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o1">_DLMTexture</a>= NULL; +00244 } +00245 +00246 <font class="comment">// If the lightmap is correclty allocated in the global texture, compute UVBias.</font> +00247 <font class="keywordflow">if</font>(_DLMTexture) +00248 { +00249 <font class="comment">// Compute patch UV matrix from pixels. Must map to center of pixels.</font> +00250 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#m4">DLMUScale</a>= (float)(<a class="code" href="classNL3D_1_1CPatchDLMContext.html#m2">Width</a>-1) / (float)<a class="code" href="classNL3D_1_1CPatchDLMContext.html#o1">_DLMTexture</a>->getWidth(); +00251 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#m5">DLMVScale</a>= (float)(<a class="code" href="classNL3D_1_1CPatchDLMContext.html#m3">Height</a>-1) / (float)<a class="code" href="classNL3D_1_1CPatchDLMContext.html#o1">_DLMTexture</a>->getHeight(); +00252 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#m6">DLMUBias</a>= ((float)<a class="code" href="classNL3D_1_1CPatchDLMContext.html#m0">TextPosX</a>+0.5f) / (float)<a class="code" href="classNL3D_1_1CPatchDLMContext.html#o1">_DLMTexture</a>->getWidth(); +00253 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#m7">DLMVBias</a>= ((float)<a class="code" href="classNL3D_1_1CPatchDLMContext.html#m1">TextPosY</a>+0.5f) / (float)<a class="code" href="classNL3D_1_1CPatchDLMContext.html#o1">_DLMTexture</a>->getHeight(); +00254 } +00255 <font class="keywordflow">else</font> +00256 { +00257 <font class="comment">// Build UVBias such that the UVs point to Black</font> +00258 <font class="comment">// NB: TextureDLM ensure that point (MaxX,MaxY) of texture is black.</font> +00259 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#m4">DLMUScale</a>= 0; +00260 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#m5">DLMVScale</a>= 0; +00261 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#m6">DLMUBias</a>= 1; +00262 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#m7">DLMVBias</a>= 1; +00263 } +00264 +00265 <font class="comment">// TestYoyo: to see lightmap usage in the big texture</font> +00266 <font class="comment">/*DLMUScale= _Patch->getOrderS();</font> +00267 <font class="comment"> DLMVScale= _Patch->getOrderT();</font> +00268 <font class="comment"> DLMUBias= 0;</font> +00269 <font class="comment"> DLMVBias= 0;*/</font> +00270 +00271 +00272 <font class="comment">// Bound 8bits UV for Vegetable. This is to ensure vegetable Dlm UVs won't peek in neighbor lightmaps.</font> +00273 sint tmpU, tmpV; +00274 <font class="comment">// Bound U minimum</font> +00275 tmpU= (sint)ceil ( (<a class="code" href="classNL3D_1_1CPatchDLMContext.html#m6">DLMUBias</a>) * 255 ); +00276 <a class="code" href="namespaceNLMISC.html#a215">clamp</a>(tmpU, 0, 255); +00277 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#m8">MinU8</a>= tmpU; +00278 <font class="comment">// Bound U maximum</font> +00279 tmpU= (sint)floor( (<a class="code" href="classNL3D_1_1CPatchDLMContext.html#m6">DLMUBias</a>+<a class="code" href="classNL3D_1_1CPatchDLMContext.html#m4">DLMUScale</a>) * 255 ); +00280 <a class="code" href="namespaceNLMISC.html#a215">clamp</a>(tmpU, (sint)<a class="code" href="classNL3D_1_1CPatchDLMContext.html#m8">MinU8</a>, 255); +00281 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#m9">MaxU8</a>= tmpU; +00282 <font class="comment">// Bound V minimum</font> +00283 tmpV= (sint)ceil ( (<a class="code" href="classNL3D_1_1CPatchDLMContext.html#m7">DLMVBias</a>) * 255 ); +00284 <a class="code" href="namespaceNLMISC.html#a215">clamp</a>(tmpV, 0, 255); +00285 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#m10">MinV8</a>= tmpV; +00286 <font class="comment">// Bound V maximum</font> +00287 tmpV= (sint)floor( (<a class="code" href="classNL3D_1_1CPatchDLMContext.html#m7">DLMVBias</a>+<a class="code" href="classNL3D_1_1CPatchDLMContext.html#m5">DLMVScale</a>) * 255 ); +00288 <a class="code" href="namespaceNLMISC.html#a215">clamp</a>(tmpV, (sint)<a class="code" href="classNL3D_1_1CPatchDLMContext.html#m10">MinV8</a>, 255); +00289 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#m11">MaxV8</a>= tmpV; +00290 +00291 +00292 <font class="comment">// Allocate RAM Lightmap</font> +00293 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o4">_LightMap</a>.<a class="code" href="classNLMISC_1_1CObjectVector.html#z301_1">resize</a>(<a class="code" href="classNL3D_1_1CPatchDLMContext.html#m2">Width</a>*<a class="code" href="classNL3D_1_1CPatchDLMContext.html#m3">Height</a>); +00294 +00295 <font class="comment">// generate Vertices: pos and normals</font> +00296 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o3">_Vertices</a>.<a class="code" href="classNLMISC_1_1CObjectVector.html#z301_1">resize</a>(<a class="code" href="classNL3D_1_1CPatchDLMContext.html#m2">Width</a>*<a class="code" href="classNL3D_1_1CPatchDLMContext.html#m3">Height</a>); +00297 <font class="keywordtype">float</font> <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>; +00298 <font class="keywordtype">float</font> ds= 1.0f / (<a class="code" href="classNL3D_1_1CPatchDLMContext.html#m2">Width</a>-1); +00299 <font class="keywordtype">float</font> dt= 1.0f / (<a class="code" href="classNL3D_1_1CPatchDLMContext.html#m3">Height</a>-1); +00300 <font class="comment">// eval all the patch.</font> +00301 <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>= 0; +00302 uint <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>,<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>; +00303 <font class="keywordflow">for</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>=0; <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a><<a class="code" href="classNL3D_1_1CPatchDLMContext.html#m3">Height</a>; <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>++, <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>+=dt) +00304 { +00305 <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>= 0; +00306 <font class="keywordflow">for</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>=0; <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a><<a class="code" href="classNL3D_1_1CPatchDLMContext.html#m2">Width</a>; <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>++, <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>+=ds) +00307 { +00308 CVertex &vert= <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o3">_Vertices</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*<a class="code" href="classNL3D_1_1CPatchDLMContext.html#m2">Width</a>+<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>]; +00309 <font class="comment">// NB: use the bezier patch, and don't take Noise into account, for speed reason.</font> +00310 CBezierPatch *bpatch= <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o0">_Patch</a>->unpackIntoCache(); +00311 <font class="comment">// Eval pos.</font> +00312 vert.Pos= bpatch->eval(<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>); +00313 <font class="comment">// Eval Normal.</font> +00314 vert.Normal= bpatch->evalNormal(<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>); +00315 } +00316 } +00317 +00318 <font class="comment">// Build bounding Spheres QuadTree</font> +00319 <font class="comment">//============</font> +00320 +00321 <font class="comment">// Size of the cluster array (at level 0)</font> +00322 uint bsx, bsy; +00323 <font class="preprocessor">#ifdef NL_DLM_TILE_RES</font> +00324 <font class="preprocessor"></font> <font class="comment">// level 0 is at tile level.</font> +00325 bsx= max(1, (<a class="code" href="classNL3D_1_1CPatchDLMContext.html#o0">_Patch</a>->getOrderS())/<a class="code" href="patchdlm__context_8cpp.html#a0">NL_DLM_CLIP_FACTOR</a> ); +00326 bsy= max(1, (<a class="code" href="classNL3D_1_1CPatchDLMContext.html#o0">_Patch</a>->getOrderT())/<a class="code" href="patchdlm__context_8cpp.html#a0">NL_DLM_CLIP_FACTOR</a> ); +00327 <font class="preprocessor">#else</font> +00328 <font class="preprocessor"></font> <font class="comment">// level 0 is at tessBlock level.</font> +00329 bsx= max(1, (<a class="code" href="classNL3D_1_1CPatchDLMContext.html#o0">_Patch</a>->getOrderS()/2)/<a class="code" href="patchdlm__context_8cpp.html#a0">NL_DLM_CLIP_FACTOR</a> ); +00330 bsy= max(1, (<a class="code" href="classNL3D_1_1CPatchDLMContext.html#o0">_Patch</a>->getOrderT()/2)/<a class="code" href="patchdlm__context_8cpp.html#a0">NL_DLM_CLIP_FACTOR</a> ); +00331 <font class="preprocessor">#endif</font> +00332 <font class="preprocessor"></font> +00333 <font class="comment">// resize bboxes for level 0.</font> +00334 <font class="keyword">static</font> vector<CAABBox> tmpBBoxes[<a class="code" href="patchdlm__context_8cpp.html#a1">NL_DLM_CLIP_NUM_LEVEL</a>]; +00335 tmpBBoxes[0].resize(bsx * bsy); +00336 +00337 <font class="comment">// Extend all leaves clusters BBoxes with patch coordinates</font> +00338 <font class="keywordflow">for</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>=0;<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a><bsy;<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>++) +00339 { +00340 <font class="comment">// For Y, compute how many patch Positions used to extend bbox.</font> +00341 uint beginY= <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*<a class="code" href="patchdlm__context_8cpp.html#a0">NL_DLM_CLIP_FACTOR</a>; +00342 uint endY= <a class="code" href="bit__set_8cpp.html#a0">min</a>( (<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>+1)*<a class="code" href="patchdlm__context_8cpp.html#a0">NL_DLM_CLIP_FACTOR</a>+1, <a class="code" href="classNL3D_1_1CPatchDLMContext.html#m3">Height</a>); +00343 <font class="keywordflow">for</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>=0;<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a><bsx;<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>++) +00344 { +00345 <font class="comment">// For X, compute how many patch Positions used to extend bbox.</font> +00346 uint beginX= <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>*<a class="code" href="patchdlm__context_8cpp.html#a0">NL_DLM_CLIP_FACTOR</a>; +00347 uint endX= <a class="code" href="bit__set_8cpp.html#a0">min</a>((<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>+1)*<a class="code" href="patchdlm__context_8cpp.html#a0">NL_DLM_CLIP_FACTOR</a>+1, <a class="code" href="classNL3D_1_1CPatchDLMContext.html#m2">Width</a>); +00348 <font class="comment">// Build a bbox.</font> +00349 CAABBox bbox; +00350 bbox.setCenter(<a class="code" href="classNL3D_1_1CPatchDLMContext.html#o3">_Vertices</a>[beginY*<a class="code" href="classNL3D_1_1CPatchDLMContext.html#m2">Width</a> + beginX].Pos); +00351 <font class="keywordflow">for</font>(uint yi= beginY; yi<endY; yi++) +00352 { +00353 <font class="keywordflow">for</font>(uint xi= beginX; xi<endX; xi++) +00354 { +00355 bbox.extend(<a class="code" href="classNL3D_1_1CPatchDLMContext.html#o3">_Vertices</a>[yi*<a class="code" href="classNL3D_1_1CPatchDLMContext.html#m2">Width</a> + xi].Pos); +00356 } +00357 } +00358 <font class="comment">// Set the BBox info.</font> +00359 tmpBBoxes[0][<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*bsx + <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>]= bbox; +00360 } +00361 } +00362 +00363 <font class="comment">// build parent BSpheres for quadTree hierarchy</font> +00364 uint curLevel= 0; +00365 uint nextLevel= 1; +00366 uint nextBsx= max(1U, bsx/2); +00367 uint nextBsy= max(1U, bsy/2); +00368 <font class="comment">// the number of cluster Sons, and descendants this cluster level owns.</font> +00369 uint tmpClusterNumToSkip[<a class="code" href="patchdlm__context_8cpp.html#a1">NL_DLM_CLIP_NUM_LEVEL</a>]; +00370 <font class="comment">// width for this cluster level.</font> +00371 uint tmpClusterWidth[<a class="code" href="patchdlm__context_8cpp.html#a1">NL_DLM_CLIP_NUM_LEVEL</a>]; +00372 <font class="comment">// Number of sons per line/column</font> +00373 uint tmpClusterWSon[<a class="code" href="patchdlm__context_8cpp.html#a1">NL_DLM_CLIP_NUM_LEVEL</a>]; +00374 uint tmpClusterHSon[<a class="code" href="patchdlm__context_8cpp.html#a1">NL_DLM_CLIP_NUM_LEVEL</a>]; +00375 <font class="comment">// Fill level 0 info</font> +00376 tmpClusterNumToSkip[0]= 0; +00377 tmpClusterWidth[0]= bsx; +00378 tmpClusterWSon[0]= 0; +00379 tmpClusterHSon[0]= 0; +00380 uint finalClusterSize= bsx * bsy; +00381 +00382 <font class="comment">// If the next level has 1x1 cases, it is not usefull (since same sphere as entire Patch)</font> +00383 <font class="keywordflow">while</font>(nextBsx * nextBsy > 1 && nextLevel<<a class="code" href="patchdlm__context_8cpp.html#a1">NL_DLM_CLIP_NUM_LEVEL</a> ) +00384 { +00385 finalClusterSize+= nextBsx * nextBsy; +00386 +00387 uint wSon= (bsx/nextBsx); +00388 uint hSon= (bsy/nextBsy); +00389 <font class="comment">// compute cluster level info.</font> +00390 tmpClusterWidth[nextLevel]= nextBsx; +00391 tmpClusterWSon[nextLevel]= wSon; +00392 tmpClusterHSon[nextLevel]= hSon; +00393 <font class="comment">// NB: level 0 has 0 sons to skip, hence level1 must skip (1+0)*4= 4 (wSon==hSon==2)</font> +00394 <font class="comment">// level2 must skip (1+4)*4= 20 (wSon==hSon==2)</font> +00395 tmpClusterNumToSkip[nextLevel]= (1+tmpClusterNumToSkip[curLevel]) * wSon * hSon; +00396 +00397 <font class="comment">// alloc bboxes.</font> +00398 tmpBBoxes[nextLevel].resize(nextBsx * nextBsy); +00399 +00400 <font class="comment">// For all cluster of upper level, build bb, as union of finers clusters</font> +00401 <font class="keywordflow">for</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>=0;<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a><nextBsy;<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>++) +00402 { +00403 <font class="keywordflow">for</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>=0;<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a><nextBsx;<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>++) +00404 { +00405 <font class="comment">// compute coordinate in curLevel tmpBBoxes to look</font> +00406 uint x2= <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>*wSon; +00407 uint y2= <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*hSon; +00408 <font class="comment">// Build a bbox for 4 (or 2) children clusters</font> +00409 <font class="keywordflow">if</font>(wSon>1 && hSon>1) +00410 { +00411 CAABBox bbox1; +00412 CAABBox bbox2; +00413 bbox1= CAABBox::computeAABBoxUnion( +00414 tmpBBoxes[curLevel][y2*bsx + x2], tmpBBoxes[curLevel][y2*bsx + x2+1]); +00415 bbox2= CAABBox::computeAABBoxUnion( +00416 tmpBBoxes[curLevel][(y2+1)*bsx + x2], tmpBBoxes[curLevel][(y2+1)*bsx + x2+1]); +00417 <font class="comment">// final father bbox.</font> +00418 tmpBBoxes[nextLevel][<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*nextBsx + <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>]= CAABBox::computeAABBoxUnion(bbox1, bbox2); +00419 } +00420 <font class="keywordflow">else</font> <font class="keywordflow">if</font>(wSon==1) +00421 { +00422 CAABBox bbox1; +00423 bbox1= CAABBox::computeAABBoxUnion( +00424 tmpBBoxes[curLevel][y2*bsx + x2], tmpBBoxes[curLevel][(y2+1)*bsx + x2]); +00425 <font class="comment">// final father bbox.</font> +00426 tmpBBoxes[nextLevel][<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*nextBsx + <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>]= bbox1; +00427 } +00428 <font class="keywordflow">else</font> <font class="keywordflow">if</font>(hSon==1) +00429 { +00430 CAABBox bbox1; +00431 bbox1= CAABBox::computeAABBoxUnion( +00432 tmpBBoxes[curLevel][y2*bsx + x2], tmpBBoxes[curLevel][y2*bsx + x2+1]); +00433 <font class="comment">// final father bbox.</font> +00434 tmpBBoxes[nextLevel][<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*nextBsx + <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>]= bbox1; +00435 } +00436 <font class="keywordflow">else</font> +00437 <font class="comment">// impossible...</font> +00438 <a class="code" href="debug_8h.html#a12">nlstop</a>; +00439 } +00440 } +00441 +00442 <font class="comment">// upper level.</font> +00443 bsx= nextBsx; +00444 bsy= nextBsy; +00445 nextBsx= max(1U, nextBsx/2); +00446 nextBsy= max(1U, nextBsy/2); +00447 curLevel++; +00448 nextLevel++; +00449 } +00450 +00451 +00452 <font class="comment">// Resize clusters with size according to all levels</font> +00453 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o5">_Clusters</a>.<a class="code" href="classNLMISC_1_1CObjectVector.html#z301_1">resize</a>(finalClusterSize); +00454 uint iDstCluster= 0; +00455 +00456 <font class="comment">// Fill cluster hierarchy, in _Clusters.</font> +00457 uint numLevels= nextLevel; +00458 <font class="comment">// NB: the principle is recursive, but it is "iterated", with a stack-like: tmpClusterX and tmpClusterY;</font> +00459 uint tmpClusterX[<a class="code" href="patchdlm__context_8cpp.html#a1">NL_DLM_CLIP_NUM_LEVEL</a>]; +00460 uint tmpClusterY[<a class="code" href="patchdlm__context_8cpp.html#a1">NL_DLM_CLIP_NUM_LEVEL</a>]; +00461 uint tmpClusterXMin[<a class="code" href="patchdlm__context_8cpp.html#a1">NL_DLM_CLIP_NUM_LEVEL</a>]; +00462 uint tmpClusterYMin[<a class="code" href="patchdlm__context_8cpp.html#a1">NL_DLM_CLIP_NUM_LEVEL</a>]; +00463 uint tmpClusterXMax[<a class="code" href="patchdlm__context_8cpp.html#a1">NL_DLM_CLIP_NUM_LEVEL</a>]; +00464 uint tmpClusterYMax[<a class="code" href="patchdlm__context_8cpp.html#a1">NL_DLM_CLIP_NUM_LEVEL</a>]; +00465 <font class="comment">// we start at curLevel (the highest Level), and we must fill all the squares of this level</font> +00466 tmpClusterX[curLevel]= 0; +00467 tmpClusterY[curLevel]= 0; +00468 tmpClusterXMin[curLevel]= 0; +00469 tmpClusterYMin[curLevel]= 0; +00470 tmpClusterXMax[curLevel]= bsx; +00471 tmpClusterYMax[curLevel]= bsy; +00472 <font class="comment">// while the "root" level is not pop</font> +00473 <font class="keywordflow">while</font>(curLevel < numLevels) +00474 { +00475 <font class="comment">// If we ended with this level (all lines done).</font> +00476 <font class="keywordflow">if</font>(tmpClusterY[curLevel] >= tmpClusterYMax[curLevel]) +00477 { +00478 <font class="comment">// Ok, finished with this level, pop up.</font> +00479 curLevel++; +00480 <font class="comment">// skip.</font> +00481 <font class="keywordflow">continue</font>; +00482 } +00483 +00484 <a class="code" href="debug_8h.html#a6">nlassert</a>(iDstCluster<<a class="code" href="classNL3D_1_1CPatchDLMContext.html#o5">_Clusters</a>.<a class="code" href="classNLMISC_1_1CObjectVector.html#z302_0">size</a>()); +00485 +00486 <font class="comment">// get the bbox from current position.</font> +00487 CAABBox bbox= tmpBBoxes[curLevel][ tmpClusterY[curLevel] * tmpClusterWidth[curLevel] + tmpClusterX[curLevel] ]; +00488 <font class="comment">// Fill _Clusters for this square.</font> +00489 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o5">_Clusters</a>[iDstCluster].BSphere.Center= bbox.getCenter(); +00490 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o5">_Clusters</a>[iDstCluster].BSphere.Radius= bbox.getRadius(); +00491 <font class="comment">// If leaf level, fill special info</font> +00492 <font class="keywordflow">if</font>(curLevel == 0) +00493 { +00494 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o5">_Clusters</a>[iDstCluster].NSkips= 0; +00495 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o5">_Clusters</a>[iDstCluster].X= tmpClusterX[0]; +00496 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o5">_Clusters</a>[iDstCluster].Y= tmpClusterY[0]; +00497 } +00498 <font class="comment">// else, set total number of sons to skips if "invisible"</font> +00499 <font class="keywordflow">else</font> +00500 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o5">_Clusters</a>[iDstCluster].NSkips= tmpClusterNumToSkip[curLevel]; +00501 +00502 <font class="comment">// next dst cluster</font> +00503 iDstCluster ++; +00504 +00505 +00506 <font class="comment">// If not Leaf level, recurs. First pass, use curLevel params (tmpClusterX...)</font> +00507 <font class="keywordflow">if</font>(curLevel > 0) +00508 { +00509 <font class="comment">// compute info for next level.</font> +00510 tmpClusterXMin[curLevel-1]= tmpClusterX[curLevel] * tmpClusterWSon[curLevel]; +00511 tmpClusterYMin[curLevel-1]= tmpClusterY[curLevel] * tmpClusterHSon[curLevel]; +00512 tmpClusterXMax[curLevel-1]= (tmpClusterX[curLevel]+1) * tmpClusterWSon[curLevel]; +00513 tmpClusterYMax[curLevel-1]= (tmpClusterY[curLevel]+1) * tmpClusterHSon[curLevel]; +00514 <font class="comment">// begin iteration of child level</font> +00515 tmpClusterX[curLevel-1]= tmpClusterXMin[curLevel-1]; +00516 tmpClusterY[curLevel-1]= tmpClusterYMin[curLevel-1]; +00517 } +00518 +00519 +00520 <font class="comment">// next square for this level</font> +00521 tmpClusterX[curLevel]++; +00522 <font class="comment">// if ended for X.</font> +00523 <font class="keywordflow">if</font>(tmpClusterX[curLevel] >= tmpClusterXMax[curLevel]) +00524 { +00525 <font class="comment">// reset X.</font> +00526 tmpClusterX[curLevel]= tmpClusterXMin[curLevel]; +00527 <font class="comment">// next line.</font> +00528 tmpClusterY[curLevel]++; +00529 } +00530 +00531 +00532 <font class="comment">// If not Leaf level, recurs. Second pass, after tmpClusterX and tmpClusterY of curLevel are changed</font> +00533 <font class="keywordflow">if</font>(curLevel > 0) +00534 { +00535 <font class="comment">// descend in hierarchy. (recurs)</font> +00536 curLevel--; +00537 } +00538 +00539 } +00540 +00541 <font class="comment">// All dst clusters must have been filled</font> +00542 <a class="code" href="debug_8h.html#a6">nlassert</a>(iDstCluster == <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o5">_Clusters</a>.<a class="code" href="classNLMISC_1_1CObjectVector.html#z302_0">size</a>()); +00543 +00544 +00545 <font class="comment">// PreProcess Patch TileColors.</font> +00546 <font class="comment">//============</font> +00547 <font class="comment">// Verify that a CTileColor is nothing more than a 565 color.</font> +00548 <a class="code" href="debug_8h.html#a6">nlassert</a>(<font class="keyword">sizeof</font>(CTileColor)==<font class="keyword">sizeof</font>(uint16)); +00549 <font class="preprocessor">#ifndef NL_DLM_TILE_RES</font> +00550 <font class="preprocessor"></font> +00551 <font class="comment">// retrieve patch tileColor pointer.</font> +00552 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CPatchDLMContext.html#o0">_Patch</a>->TileColors.size()>0); +00553 CTileColor *tileColor= &<a class="code" href="classNL3D_1_1CPatchDLMContext.html#o0">_Patch</a>->TileColors[0]; +00554 +00555 <font class="comment">// skip 1 tiles colors per column and per row</font> +00556 uint wTileColor= <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o0">_Patch</a>->getOrderS()+1; +00557 CTileColor *tcOrigin= tileColor; +00558 <font class="comment">// alloc _LowResTileColors at same resolution than lightmap</font> +00559 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o8">_LowResTileColors</a>.<a class="code" href="classNLMISC_1_1CObjectVector.html#z301_1">resize</a>(<a class="code" href="classNL3D_1_1CPatchDLMContext.html#m2">Width</a>*<a class="code" href="classNL3D_1_1CPatchDLMContext.html#m3">Height</a>); +00560 uint16 *dstLRtc= &<a class="code" href="classNL3D_1_1CPatchDLMContext.html#o8">_LowResTileColors</a>[0]; +00561 +00562 <font class="comment">// For all lines of dst.</font> +00563 <font class="keywordflow">for</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>=0;<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a><<a class="code" href="classNL3D_1_1CPatchDLMContext.html#m3">Height</a>;<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>++) +00564 { +00565 <font class="comment">// tileColor start of line.</font> +00566 tileColor= tcOrigin + <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*2* wTileColor; +00567 sint npix= <a class="code" href="classNL3D_1_1CPatchDLMContext.html#m2">Width</a>; +00568 <font class="comment">// for all pixels at corner of tessBlock.</font> +00569 <font class="keywordflow">for</font>(;npix>0; npix--, tileColor+=2, dstLRtc++) +00570 { +00571 *dstLRtc= tileColor->Color565; +00572 } +00573 +00574 } +00575 <font class="preprocessor">#endif</font> +00576 <font class="preprocessor"></font> +00577 +00578 <font class="comment">// compute the TextureFar used for Far dynamic lightmaping.</font> +00579 <font class="comment">//============</font> +00580 <font class="comment">// NB: simpler to compute it at generate() time, even if not necessarly needed for near</font> +00581 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#c0">computeTextureFar</a>(); +00582 +00583 +00584 <font class="comment">// fill texture with Black</font> +00585 <font class="comment">//============</font> +00586 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#a3">clearLighting</a>(); +00587 +00588 <font class="keywordflow">return</font> <font class="keyword">true</font>; +00589 } +00590 +00591 <font class="comment">// ***************************************************************************</font> +<a name="l00592"></a><a class="code" href="classNL3D_1_1CPatchDLMContext.html#a3">00592</a> <font class="keywordtype">void</font> CPatchDLMContext::clearLighting() +00593 { +00594 <font class="comment">// If the srcTexture is not already black.</font> +00595 <font class="keywordflow">if</font>(!<a class="code" href="classNL3D_1_1CPatchDLMContext.html#o6">_IsSrcTextureFullBlack</a>) +00596 { +00597 <font class="comment">// Reset Lightmap with black.</font> +00598 uint count= <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o4">_LightMap</a>.<a class="code" href="classNLMISC_1_1CObjectVector.html#z302_0">size</a>(); +00599 <font class="keywordflow">if</font>(count>0) +00600 { +00601 memset(&<a class="code" href="classNL3D_1_1CPatchDLMContext.html#o4">_LightMap</a>[0], 0, count * <font class="keyword">sizeof</font>(CRGBA)); +00602 } +00603 +00604 <font class="comment">// Now the src lightmap is fully black</font> +00605 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o6">_IsSrcTextureFullBlack</a>= <font class="keyword">true</font>; +00606 } +00607 } +00608 +00609 +00610 <font class="comment">// ***************************************************************************</font> +00611 +00612 <font class="comment">// TestYoyo: I thought this code was better, but actually, this is not the case</font> +00613 <font class="comment">/*</font> +00614 <font class="comment">static float NL3D_Val1= 1.f;</font> +00615 <font class="comment">inline void __stdcall fastClamp01(float &x)</font> +00616 <font class="comment">{</font> +00617 <font class="comment"> __asm</font> +00618 <font class="comment"> {</font> +00619 <font class="comment"> mov esi, x</font> +00620 <font class="comment"> mov eax, [esi]</font> +00621 <font class="comment"></font> +00622 <font class="comment"> // clamp to 0.</font> +00623 <font class="comment"> cmp eax, 0x80000001 // set carry if sign bit is set.</font> +00624 <font class="comment"> sbb ecx, ecx // if attDist is negative, ecx==0 , else 0xFFFFFFFF.</font> +00625 <font class="comment"> and eax, ecx // if attDist is negative, eax=0, else unchanged</font> +00626 <font class="comment"></font> +00627 <font class="comment"> // clamp eax to 1 (NB: now we are sure eax>=0).</font> +00628 <font class="comment"> cmp eax, NL3D_Val1 // set carry if < Val1.</font> +00629 <font class="comment"> sbb ecx, ecx // if < Val1, ecx==0xFFFFFFFF, else 0.</font> +00630 <font class="comment"> and eax, ecx // if < Val1, ecx= eax, else ecx=0</font> +00631 <font class="comment"> not ecx</font> +00632 <font class="comment"> and ecx, NL3D_Val1 // if > Val1, ecx== Val1, else ecx= 0.</font> +00633 <font class="comment"> add eax, ecx // finally, eax= val clamped to 1.</font> +00634 <font class="comment"></font> +00635 <font class="comment"> // store.</font> +00636 <font class="comment"> mov [esi], eax</font> +00637 <font class="comment"> }</font> +00638 <font class="comment">}*/</font> +00639 +00640 <font class="comment">// faster to do a simple clamp ???</font> +00641 <font class="keyword">inline</font> <font class="keywordtype">void</font> <a class="code" href="namespaceNL3D.html#a397">fastClamp01</a>(<font class="keywordtype">float</font> &<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>) +00642 { +00643 <a class="code" href="namespaceNLMISC.html#a215">clamp</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, 0.f, 1.f); +00644 } +00645 +00646 +00647 <font class="comment">// ***************************************************************************</font> +<a name="l00648"></a><a class="code" href="classNL3D_1_1CPatchDLMContext.html#a4">00648</a> <font class="keywordtype">void</font> CPatchDLMContext::addPointLightInfluence(<font class="keyword">const</font> CPatchDLMPointLight &pl) +00649 { +00650 uint nverts= <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o3">_Vertices</a>.<a class="code" href="classNLMISC_1_1CObjectVector.html#z302_0">size</a>(); +00651 <a class="code" href="debug_8h.html#a6">nlassert</a>(nverts==<a class="code" href="classNL3D_1_1CPatchDLMContext.html#o4">_LightMap</a>.<a class="code" href="classNLMISC_1_1CObjectVector.html#z302_0">size</a>()); +00652 +00653 <font class="keywordflow">if</font>(nverts==0) +00654 <font class="keywordflow">return</font>; +00655 CVertex *vert= &<a class="code" href="classNL3D_1_1CPatchDLMContext.html#o3">_Vertices</a>[0]; +00656 +00657 +00658 <font class="comment">// precise clip: parse the quadTree of sphere</font> +00659 <font class="comment">//================</font> +00660 uint i, <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>,<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>; +00661 uint startX, startY, endX, endY; +00662 startX= 0xFFFFFFFF; +00663 startY= 0xFFFFFFFF; +00664 endX= 0; +00665 endY= 0; +00666 <font class="keywordflow">for</font>(i=0;i<<a class="code" href="classNL3D_1_1CPatchDLMContext.html#o5">_Clusters</a>.<a class="code" href="classNLMISC_1_1CObjectVector.html#z302_0">size</a>();) +00667 { +00668 <font class="comment">// If the sphere intersect pl, </font> +00669 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CPatchDLMContext.html#o5">_Clusters</a>[i].BSphere.intersect(pl.BSphere) ) +00670 { +00671 <font class="comment">// if this cluster is a leaf, extend start/end</font> +00672 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CPatchDLMContext.html#o5">_Clusters</a>[i].NSkips==0) +00673 { +00674 <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>= <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o5">_Clusters</a>[i].X; +00675 <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>= <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o5">_Clusters</a>[i].Y; +00676 startX= <a class="code" href="bit__set_8cpp.html#a0">min</a>(startX, <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>); +00677 startY= <a class="code" href="bit__set_8cpp.html#a0">min</a>(startY, <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>); +00678 endX= max(endX, <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>+1); +00679 endY= max(endY, <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>+1); +00680 } +00681 <font class="comment">// go to next cluster (a brother, a parent or a son)</font> +00682 i++; +00683 } +00684 <font class="keywordflow">else</font> +00685 { +00686 <font class="comment">// if this cluster is a leaf, just go to next cluster (a parent or a brother)</font> +00687 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CPatchDLMContext.html#o5">_Clusters</a>[i].NSkips==0) +00688 i++; +00689 <font class="comment">// else, go to next brother or parent (NSkips say how to go)</font> +00690 <font class="keywordflow">else</font> +00691 i+= <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o5">_Clusters</a>[i].NSkips; +00692 } +00693 } +00694 <font class="comment">// if never intersect, just quit.</font> +00695 <font class="keywordflow">if</font>(startX==0xFFFFFFFF) +00696 <font class="keywordflow">return</font>; +00697 +00698 <font class="comment">// get vertices in array to process.</font> +00699 startX*=<a class="code" href="patchdlm__context_8cpp.html#a0">NL_DLM_CLIP_FACTOR</a>; +00700 startY*=<a class="code" href="patchdlm__context_8cpp.html#a0">NL_DLM_CLIP_FACTOR</a>; +00701 endX= <a class="code" href="bit__set_8cpp.html#a0">min</a>(endX*<a class="code" href="patchdlm__context_8cpp.html#a0">NL_DLM_CLIP_FACTOR</a>+1, <a class="code" href="classNL3D_1_1CPatchDLMContext.html#m2">Width</a>); +00702 endY= <a class="code" href="bit__set_8cpp.html#a0">min</a>(endY*<a class="code" href="patchdlm__context_8cpp.html#a0">NL_DLM_CLIP_FACTOR</a>+1, <a class="code" href="classNL3D_1_1CPatchDLMContext.html#m3">Height</a>); +00703 +00704 <font class="comment">// TestYoyo only.</font> +00705 <font class="comment">/*extern uint YOYO_LandDLCount;</font> +00706 <font class="comment"> YOYO_LandDLCount+= (endX - startX) * (endY - startY);*/</font> +00707 +00708 <font class="comment">// process all vertices</font> +00709 <font class="comment">//================</font> +00710 <font class="keywordtype">float</font> <a class="code" href="driver__opengl__extension__def_8h.html#a385">r</a>,g,b; +00711 CRGBA *dst= &<a class="code" href="classNL3D_1_1CPatchDLMContext.html#o4">_LightMap</a>[0]; +00712 CVertex *originVert= vert; +00713 CRGBA *originDst= dst; +00714 +00715 <font class="comment">// TestYoyo: finally, precache does not seems to impact final result.</font> +00716 <font class="comment">// precache loading, for better cache use. NB: precache the entire line, ignoring clip result.</font> +00717 <font class="comment">// Precache only if interesting.</font> +00718 <font class="comment">/*if( (endX - startX)*4>=Width && (endY-startY)>=2)</font> +00719 <font class="comment"> {</font> +00720 <font class="comment"> vert= originVert + startY*Width;</font> +00721 <font class="comment"> dst= originDst + startY*Width;</font> +00722 <font class="comment"> uint nPixelLine= (endY-startY)*Width;</font> +00723 <font class="comment"> CFastMem::precacheBest(vert, nPixelLine * sizeof(CVertex));</font> +00724 <font class="comment"> CFastMem::precacheBest(dst, nPixelLine * sizeof(CRGBA));</font> +00725 <font class="comment"> }*/</font> +00726 +00727 <font class="comment">// Start 24 precision, for faster compute.</font> +00728 <a class="code" href="namespaceNL3D.html#a364">OptFastFloorBegin24</a>(); +00729 +00730 <font class="comment">// If the pointLight is a spot, compute is more complex/slower</font> +00731 <font class="keywordflow">if</font>(pl.IsSpot) +00732 { +00733 <font class="keywordflow">for</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>=startY; <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a><endY; <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>++) +00734 { +00735 nverts= endX - startX; +00736 +00737 vert= originVert + startX + <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*<a class="code" href="classNL3D_1_1CPatchDLMContext.html#m2">Width</a>; +00738 dst= originDst + startX + <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*<a class="code" href="classNL3D_1_1CPatchDLMContext.html#m2">Width</a>; +00739 <font class="keywordflow">for</font>(;nverts>0; nverts--, vert++, dst++) +00740 { +00741 CVector dirToP= vert->Pos - pl.Pos; +00742 <font class="keywordtype">float</font> dist= dirToP.norm(); +00743 dirToP/= dist; +00744 +00745 <font class="comment">// compute cos for pl. attenuation</font> +00746 <font class="keywordtype">float</font> cosSpot= dirToP * pl.Dir; +00747 <font class="keywordtype">float</font> attSpot= (cosSpot-pl.CosMin) * pl.OOCosDelta; +00748 <a class="code" href="namespaceNL3D.html#a397">fastClamp01</a>(attSpot); +00749 +00750 <font class="comment">// distance attenuation</font> +00751 <font class="keywordtype">float</font> attDist= (dist-pl.AttMax) * pl.OOAttDelta; +00752 <a class="code" href="namespaceNL3D.html#a397">fastClamp01</a>(attDist); +00753 +00754 <font class="comment">// compute diffuse lighting</font> +00755 <font class="keywordtype">float</font> diff= -(vert->Normal * dirToP); +00756 <a class="code" href="namespaceNL3D.html#a397">fastClamp01</a>(diff); +00757 +00758 <font class="comment">// compute colors.</font> +00759 diff*= attSpot * attDist; +00760 <a class="code" href="driver__opengl__extension__def_8h.html#a385">r</a>= pl.R*diff; +00761 g= pl.G*diff; +00762 b= pl.B*diff; +00763 +00764 CRGBA col; +00765 col.R= (uint8)<a class="code" href="namespaceNL3D.html#a366">OptFastFloor24</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a385">r</a>); +00766 col.G= (uint8)<a class="code" href="namespaceNL3D.html#a366">OptFastFloor24</a>(g); +00767 col.B= (uint8)<a class="code" href="namespaceNL3D.html#a366">OptFastFloor24</a>(b); +00768 +00769 <font class="comment">// add to map.</font> +00770 <font class="preprocessor">#ifdef NL_OS_WINDOWS</font> +00771 <font class="preprocessor"></font> <font class="comment">// Fast AddClamp.</font> +00772 __asm +00773 { +00774 mov esi, dst +00775 +00776 mov al, [esi]dst.R +00777 add al, col.R +00778 sbb cl, cl +00779 or al, cl +00780 mov [esi]dst.R, al +00781 +00782 mov al, [esi]dst.G +00783 add al, col.G +00784 sbb cl, cl +00785 or al, cl +00786 mov [esi]dst.G, al +00787 +00788 mov al, [esi]dst.B +00789 add al, col.B +00790 sbb cl, cl +00791 or al, cl +00792 mov [esi]dst.B, al +00793 } +00794 <font class="preprocessor">#else</font> +00795 <font class="preprocessor"></font> <font class="comment">// add and clamp to map.</font> +00796 dst->addRGBOnly(*dst, col); +00797 <font class="preprocessor">#endif</font> +00798 <font class="preprocessor"></font> } +00799 } +00800 } +00801 <font class="comment">// else, pointLight with no Spot cone attenuation</font> +00802 <font class="keywordflow">else</font> +00803 { +00804 <font class="comment">// TestYoyo</font> +00805 <font class="comment">/*extern void YOYO_startDLMItCount();</font> +00806 <font class="comment"> YOYO_startDLMItCount();*/</font> +00807 +00808 <font class="comment">// Compute lightmap pixels of interest </font> +00809 <font class="keywordflow">for</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>=startY; <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a><endY; <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>++) +00810 { +00811 nverts= endX - startX; +00812 +00813 vert= originVert + startX + <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*<a class="code" href="classNL3D_1_1CPatchDLMContext.html#m2">Width</a>; +00814 dst= originDst + startX + <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*<a class="code" href="classNL3D_1_1CPatchDLMContext.html#m2">Width</a>; +00815 <font class="keywordflow">for</font>(;nverts>0; nverts--, vert++, dst++) +00816 { +00817 CVector dirToP= vert->Pos - pl.Pos; +00818 <font class="keywordtype">float</font> dist= dirToP.norm(); +00819 <font class="keywordtype">float</font> OODist= 1.0f / dist; +00820 dirToP*= OODist; +00821 +00822 <font class="comment">// distance attenuation</font> +00823 <font class="keywordtype">float</font> attDist= (dist-pl.AttMax) * pl.OOAttDelta; +00824 <a class="code" href="namespaceNL3D.html#a397">fastClamp01</a>(attDist); +00825 +00826 <font class="comment">// compute diffuse lighting</font> +00827 <font class="keywordtype">float</font> diff= -(vert->Normal * dirToP); +00828 <a class="code" href="namespaceNL3D.html#a397">fastClamp01</a>(diff); +00829 +00830 <font class="comment">// compute colors.</font> +00831 diff*= attDist; +00832 <a class="code" href="driver__opengl__extension__def_8h.html#a385">r</a>= pl.R*diff; +00833 g= pl.G*diff; +00834 b= pl.B*diff; +00835 +00836 CRGBA col; +00837 col.R= (uint8)<a class="code" href="namespaceNL3D.html#a366">OptFastFloor24</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a385">r</a>); +00838 col.G= (uint8)<a class="code" href="namespaceNL3D.html#a366">OptFastFloor24</a>(g); +00839 col.B= (uint8)<a class="code" href="namespaceNL3D.html#a366">OptFastFloor24</a>(b); +00840 +00841 <font class="comment">// add to map.</font> +00842 <font class="preprocessor">#ifdef NL_OS_WINDOWS</font> +00843 <font class="preprocessor"></font> <font class="comment">// Fast AddClamp.</font> +00844 __asm +00845 { +00846 mov esi, dst +00847 +00848 mov al, [esi]dst.R +00849 add al, col.R +00850 sbb cl, cl +00851 or al, cl +00852 mov [esi]dst.R, al +00853 +00854 mov al, [esi]dst.G +00855 add al, col.G +00856 sbb cl, cl +00857 or al, cl +00858 mov [esi]dst.G, al +00859 +00860 mov al, [esi]dst.B +00861 add al, col.B +00862 sbb cl, cl +00863 or al, cl +00864 mov [esi]dst.B, al +00865 } +00866 <font class="preprocessor">#else</font> +00867 <font class="preprocessor"></font> <font class="comment">// add and clamp to map.</font> +00868 dst->addRGBOnly(*dst, col); +00869 <font class="preprocessor">#endif</font> +00870 <font class="preprocessor"></font> } +00871 } +00872 +00873 <font class="comment">// TestYoyo</font> +00874 <font class="comment">/*extern void YOYO_endDLMItCount();</font> +00875 <font class="comment"> YOYO_endDLMItCount();*/</font> +00876 } +00877 +00878 <font class="comment">// Stop 24 bit precision</font> +00879 <a class="code" href="namespaceNL3D.html#a365">OptFastFloorEnd24</a>(); +00880 +00881 <font class="comment">// Src texture is modified, hence it can't be black.</font> +00882 <font class="comment">//==============</font> +00883 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o6">_IsSrcTextureFullBlack</a>= <font class="keyword">false</font>; +00884 } +00885 +00886 +00887 <font class="comment">// ***************************************************************************</font> +<a name="l00888"></a><a class="code" href="classNL3D_1_1CPatchDLMContext.html#a5">00888</a> <font class="keywordtype">void</font> CPatchDLMContext::compileLighting(TCompileType compType, CRGBA modulateCte) +00889 { +00890 <font class="comment">// If srcTexture is full black, and if dst texture is already full black too, don't need to update dst texture</font> +00891 <font class="keywordflow">if</font>(! (<a class="code" href="classNL3D_1_1CPatchDLMContext.html#o6">_IsSrcTextureFullBlack</a> && <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o7">_IsDstTextureFullBlack</a>) ) +00892 { +00893 <font class="comment">// if lightMap allocated</font> +00894 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CPatchDLMContext.html#o4">_LightMap</a>.<a class="code" href="classNLMISC_1_1CObjectVector.html#z302_0">size</a>()>0 && <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o1">_DLMTexture</a>) +00895 { +00896 <font class="comment">// If the srcTexture is full black (ie no pointLight influence touch it), </font> +00897 <font class="keywordflow">if</font>(_IsSrcTextureFullBlack) +00898 { +00899 <font class="comment">// reset the texture to full black.</font> +00900 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o1">_DLMTexture</a>->fillRect(<a class="code" href="classNL3D_1_1CPatchDLMContext.html#m0">TextPosX</a>, <a class="code" href="classNL3D_1_1CPatchDLMContext.html#m1">TextPosY</a>, <a class="code" href="classNL3D_1_1CPatchDLMContext.html#m2">Width</a>, <a class="code" href="classNL3D_1_1CPatchDLMContext.html#m3">Height</a>, 0); +00901 } +00902 <font class="comment">// else the srcTexture is not full black (ie some pointLight influence touch it), </font> +00903 <font class="keywordflow">else</font> +00904 { +00905 <font class="comment">// if must modulate with tileColor</font> +00906 <font class="keywordflow">if</font>(compType == <a class="code" href="classNL3D_1_1CPatchDLMContext.html#s4s0">ModulateTileColor</a>) +00907 { +00908 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CPatchDLMContext.html#o0">_Patch</a>->TileColors.size()>=0); +00909 <font class="preprocessor"> #ifdef NL_DLM_TILE_RES</font> +00910 <font class="preprocessor"></font> <font class="comment">// retrieve userColor pointer.</font> +00911 uint16 *tileColor= (uint16*)(&<a class="code" href="classNL3D_1_1CPatchDLMContext.html#o0">_Patch</a>->TileColors[0]); +00912 <font class="preprocessor"> #else</font> +00913 <font class="preprocessor"></font> uint16 *tileColor= (uint16*)(&<a class="code" href="classNL3D_1_1CPatchDLMContext.html#o8">_LowResTileColors</a>[0]); +00914 <font class="preprocessor"> #endif</font> +00915 <font class="preprocessor"></font> +00916 <font class="comment">// modulate and fill dest.</font> +00917 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o1">_DLMTexture</a>->modulateAndfillRect565(<a class="code" href="classNL3D_1_1CPatchDLMContext.html#m0">TextPosX</a>, <a class="code" href="classNL3D_1_1CPatchDLMContext.html#m1">TextPosY</a>, <a class="code" href="classNL3D_1_1CPatchDLMContext.html#m2">Width</a>, <a class="code" href="classNL3D_1_1CPatchDLMContext.html#m3">Height</a>, &<a class="code" href="classNL3D_1_1CPatchDLMContext.html#o4">_LightMap</a>[0], tileColor); +00918 } +00919 <font class="comment">// else if must modulate with textureFar</font> +00920 <font class="keywordflow">else</font> <font class="keywordflow">if</font>(compType == <a class="code" href="classNL3D_1_1CPatchDLMContext.html#s4s1">ModulateTextureFar</a>) +00921 { +00922 <font class="comment">// modulate and fill dest.</font> +00923 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o1">_DLMTexture</a>->modulateAndfillRect8888(<a class="code" href="classNL3D_1_1CPatchDLMContext.html#m0">TextPosX</a>, <a class="code" href="classNL3D_1_1CPatchDLMContext.html#m1">TextPosY</a>, <a class="code" href="classNL3D_1_1CPatchDLMContext.html#m2">Width</a>, <a class="code" href="classNL3D_1_1CPatchDLMContext.html#m3">Height</a>, &<a class="code" href="classNL3D_1_1CPatchDLMContext.html#o4">_LightMap</a>[0], &<a class="code" href="classNL3D_1_1CPatchDLMContext.html#o9">_TextureFar</a>[0]); +00924 } +00925 <font class="comment">// else if must modulate with constante</font> +00926 <font class="keywordflow">else</font> <font class="keywordflow">if</font>(compType == <a class="code" href="classNL3D_1_1CPatchDLMContext.html#s4s2">ModulateConstant</a>) +00927 { +00928 <font class="comment">// modulate and fill dest.</font> +00929 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o1">_DLMTexture</a>->modulateConstantAndfillRect(<a class="code" href="classNL3D_1_1CPatchDLMContext.html#m0">TextPosX</a>, <a class="code" href="classNL3D_1_1CPatchDLMContext.html#m1">TextPosY</a>, <a class="code" href="classNL3D_1_1CPatchDLMContext.html#m2">Width</a>, <a class="code" href="classNL3D_1_1CPatchDLMContext.html#m3">Height</a>, &<a class="code" href="classNL3D_1_1CPatchDLMContext.html#o4">_LightMap</a>[0], modulateCte); +00930 } +00931 <font class="comment">// else, no Modulate.</font> +00932 <font class="keywordflow">else</font> +00933 { +00934 <font class="comment">// just copy lightmap to texture</font> +00935 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o1">_DLMTexture</a>->copyRect(<a class="code" href="classNL3D_1_1CPatchDLMContext.html#m0">TextPosX</a>, <a class="code" href="classNL3D_1_1CPatchDLMContext.html#m1">TextPosY</a>, <a class="code" href="classNL3D_1_1CPatchDLMContext.html#m2">Width</a>, <a class="code" href="classNL3D_1_1CPatchDLMContext.html#m3">Height</a>, &<a class="code" href="classNL3D_1_1CPatchDLMContext.html#o4">_LightMap</a>[0]); +00936 } +00937 } +00938 } +00939 +00940 +00941 <font class="comment">// copy full black state</font> +00942 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o7">_IsDstTextureFullBlack</a>= <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o6">_IsSrcTextureFullBlack</a>; +00943 } +00944 } +00945 +00946 +00947 <font class="comment">// ***************************************************************************</font> +<a name="l00948"></a><a class="code" href="classNL3D_1_1CPatchDLMContext.html#a7">00948</a> uint CPatchDLMContext::getMemorySize()<font class="keyword"> const</font> +00949 <font class="keyword"></font>{ +00950 uint size= <font class="keyword">sizeof</font>(CPatchDLMContext); +00951 size+= <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o3">_Vertices</a>.<a class="code" href="classNLMISC_1_1CObjectVector.html#z302_0">size</a>() * <font class="keyword">sizeof</font>(CVertex); +00952 size+= <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o4">_LightMap</a>.<a class="code" href="classNLMISC_1_1CObjectVector.html#z302_0">size</a>() * <font class="keyword">sizeof</font>(CRGBA); +00953 size+= <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o5">_Clusters</a>.<a class="code" href="classNLMISC_1_1CObjectVector.html#z302_0">size</a>() * <font class="keyword">sizeof</font>(CCluster); +00954 size+= <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o9">_TextureFar</a>.<a class="code" href="classNLMISC_1_1CObjectVector.html#z302_0">size</a>() * <font class="keyword">sizeof</font>(CRGBA); +00955 <font class="preprocessor">#ifndef NL_DLM_TILE_RES</font> +00956 <font class="preprocessor"></font> size+= <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o8">_LowResTileColors</a>.<a class="code" href="classNLMISC_1_1CObjectVector.html#z302_0">size</a>() * <font class="keyword">sizeof</font>(uint16); +00957 <font class="preprocessor">#endif</font> +00958 <font class="preprocessor"></font> +00959 <font class="keywordflow">return</font> size; +00960 } +00961 +00962 +00963 <font class="comment">// ***************************************************************************</font> +<a name="l00964"></a><a class="code" href="classNL3D_1_1CPatchDLMContext.html#c0">00964</a> <font class="keywordtype">void</font> CPatchDLMContext::computeTextureFar() +00965 { +00966 <font class="comment">// First compute Far at order1 Level (ie 2x2 pixels per tiles).</font> +00967 <font class="comment">//==================</font> +00968 <font class="keyword">static</font> vector<CRGBA> tileFars; +00969 <font class="comment">// Get the FarBank from landscape.</font> +00970 CTileFarBank &farBank= <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o0">_Patch</a>->getLandscape()->TileFarBank; +00971 <font class="comment">// size of the texture.</font> +00972 uint os= <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o0">_Patch</a>->getOrderS(); +00973 uint ot= <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o0">_Patch</a>->getOrderT(); +00974 <font class="comment">// resize tmp texture. keep a border of 1 pixel around this texture (for average with border)</font> +00975 uint tfWidth= os*2+2; +00976 uint tfHeight= ot*2+2; +00977 uint tfSize= tfWidth * tfHeight; +00978 tileFars.resize(tfSize); +00979 CRGBA *dst= &tileFars[0]; +00980 +00981 <font class="comment">// default: fill dst with black (for possible non-existing tiles).</font> +00982 memset(dst, 0, tfSize*<font class="keyword">sizeof</font>(CRGBA)); +00983 +00984 <font class="comment">// For all tiles.</font> +00985 uint <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>; +00986 <font class="keywordflow">for</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>=0; <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a><ot; <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>++) +00987 { +00988 <font class="keywordflow">for</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>=0;<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a><os;<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>++) +00989 { +00990 <font class="comment">// get the tile from patch.</font> +00991 CTileElement &tileElm= <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o0">_Patch</a>->Tiles[<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*os + <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>]; +00992 +00993 <font class="comment">// For all layers</font> +00994 <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><3;<a class="code" href="namespaceNLAISCRIPT.html#a20">l</a>++) +00995 { +00996 uint16 tileId= tileElm.Tile[0]; +00997 <font class="keywordflow">if</font> (tileId!=<a class="code" href="tile__element_8h.html#a12">NL_TILE_ELM_LAYER_EMPTY</a>) +00998 { +00999 <font class="comment">// Get the read only pointer on the far tile</font> +01000 <font class="keyword">const</font> CTileFarBank::CTileFar* pTile= farBank.getTile (tileId); +01001 <font class="comment">// if exist.</font> +01002 <font class="keywordflow">if</font>(pTile && pTile->isFill (CTileFarBank::diffuse)) +01003 { +01004 <font class="comment">// get tile element information.</font> +01005 sint nRot= tileElm.getTileOrient(<a class="code" href="namespaceNLAISCRIPT.html#a20">l</a>); +01006 <font class="keywordtype">bool</font> is256x256; +01007 uint8 uvOff; +01008 tileElm.getTile256Info(is256x256, uvOff); +01009 +01010 <font class="comment">// compute src pixel</font> +01011 <font class="keyword">const</font> CRGBA *srcPixel= pTile->getPixels(CTileFarBank::diffuse, CTileFarBank::order1); +01012 <font class="comment">// compute src info, for this tile rot and 256x256 context.</font> +01013 sint srcDeltaX; +01014 sint srcDeltaY; +01015 srcPixel= <a class="code" href="classNL3D_1_1CPatchDLMContext.html#f0">computeTileFarSrcDeltas</a>(nRot, is256x256, uvOff, srcPixel, srcDeltaX, srcDeltaY); +01016 +01017 <font class="comment">// compute dst coordinate. start writing at pixel (1,1)</font> +01018 CRGBA *dstPixel= dst + (<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*2+1)*tfWidth + <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>*2+1; +01019 +01020 <font class="keywordflow">if</font>(<a class="code" href="namespaceNLAISCRIPT.html#a20">l</a>==0) +01021 { +01022 <font class="comment">// copy the tile content to the texture.</font> +01023 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#f1">copyTileToTexture</a>(srcPixel, srcDeltaX, srcDeltaY, dstPixel, tfWidth); +01024 } +01025 <font class="keywordflow">else</font> +01026 { +01027 <font class="comment">// blend the tile content to the texture.</font> +01028 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#f2">blendTileToTexture</a>(srcPixel, srcDeltaX, srcDeltaY, dstPixel, tfWidth); +01029 } +01030 } +01031 <font class="keywordflow">else</font> +01032 <font class="comment">// go to next tile.</font> +01033 <font class="keywordflow">break</font>; +01034 } +01035 <font class="keywordflow">else</font> +01036 <font class="comment">// go to next tile.</font> +01037 <font class="keywordflow">break</font>; +01038 } +01039 } +01040 } +01041 +01042 <font class="comment">/* copy borders pixels from border of current patch</font> +01043 <font class="comment"> NB: this is not correct, but visually sufficient.</font> +01044 <font class="comment"> To look on neighbor would be more complex.</font> +01045 <font class="comment"> */</font> +01046 +01047 <font class="comment">// copy lines up and down.</font> +01048 <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>= tfHeight-1; +01049 <font class="keywordflow">for</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>=1;<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a><tfWidth-1;<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>++) +01050 { +01051 <font class="comment">// copy line 0 from line 1.</font> +01052 dst[0*tfWidth + <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>]= dst[1*tfWidth + <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>]; +01053 <font class="comment">// copy last line from last line-1.</font> +01054 dst[<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*tfWidth + <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>]= dst[(<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>-1)*tfWidth + <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>]; +01055 } +01056 +01057 <font class="comment">// copy column left and right</font> +01058 <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>= tfWidth-1; +01059 <font class="keywordflow">for</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>=1;<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a><tfHeight-1;<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>++) +01060 { +01061 <font class="comment">// copy column 0 from column 1.</font> +01062 dst[<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*tfWidth + 0]= dst[<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*tfWidth + 1]; +01063 <font class="comment">// copy last column from last column-1.</font> +01064 dst[<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*tfWidth + <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>]= dst[<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*tfWidth + <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>-1]; +01065 } +01066 +01067 <font class="comment">// copy 4 corners</font> +01068 <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>= tfWidth-1; +01069 <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>= tfHeight-1; +01070 <font class="comment">// top-left corner</font> +01071 dst[0]= dst[1]; +01072 <font class="comment">// top-right corner</font> +01073 dst[<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>]= dst[<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>-1]; +01074 <font class="comment">// bottom-left corner</font> +01075 dst[<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*tfWidth + 0]= dst[<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*tfWidth + 1]; +01076 <font class="comment">// bottom-right corner</font> +01077 dst[<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*tfWidth + <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>]= dst[<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*tfWidth + <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>-1]; +01078 +01079 +01080 <font class="comment">// Average to DLM resolution (ie OrderS+1, OrderT+1)</font> +01081 <font class="comment">//==================</font> +01082 <font class="comment">// resize _TextureFar.</font> +01083 <a class="code" href="classNL3D_1_1CPatchDLMContext.html#o9">_TextureFar</a>.<a class="code" href="classNLMISC_1_1CObjectVector.html#z301_1">resize</a>(<a class="code" href="classNL3D_1_1CPatchDLMContext.html#m2">Width</a>*<a class="code" href="classNL3D_1_1CPatchDLMContext.html#m3">Height</a>); +01084 CRGBA *<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>= &tileFars[0]; +01085 dst= &<a class="code" href="classNL3D_1_1CPatchDLMContext.html#o9">_TextureFar</a>[0]; +01086 +01087 <font class="comment">// for all pixels of dst texture.</font> +01088 <font class="keywordflow">for</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>=0;<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a><<a class="code" href="classNL3D_1_1CPatchDLMContext.html#m3">Height</a>;<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>++) +01089 { +01090 <font class="keywordflow">for</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>=0;<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a><<a class="code" href="classNL3D_1_1CPatchDLMContext.html#m2">Width</a>;<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>++, dst++) +01091 { +01092 <font class="comment">// compute coordinate in tileFars.</font> +01093 uint x2, y2; +01094 <font class="preprocessor">#ifdef NL_DLM_TILE_RES</font> +01095 <font class="preprocessor"></font> x2= <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a> * 2; +01096 y2= <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a> * 2; +01097 <font class="preprocessor">#else</font> +01098 <font class="preprocessor"></font> <font class="comment">// easiest method: sample every 2 tiles.</font> +01099 x2= <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a> * 4; +01100 y2= <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a> * 4; +01101 <font class="preprocessor">#endif</font> +01102 <font class="preprocessor"></font> +01103 <font class="comment">// Average the 4 pixels around this tile corner</font> +01104 dst->avg4RGBOnly(<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>[y2*tfWidth + x2], +01105 <a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>[y2*tfWidth + x2+1], +01106 <a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>[(y2+1)*tfWidth + x2], +01107 <a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>[(y2+1)*tfWidth + x2+1]); +01108 } +01109 } +01110 +01111 +01112 <font class="comment">// Modulate result with TileColors.</font> +01113 <font class="comment">//==================</font> +01114 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CPatchDLMContext.html#o0">_Patch</a>->TileColors.size()>=0); +01115 <font class="preprocessor"> #ifdef NL_DLM_TILE_RES</font> +01116 <font class="preprocessor"></font> <font class="comment">// retrieve userColor pointer.</font> +01117 uint16 *tileColor= (uint16*)(&<a class="code" href="classNL3D_1_1CPatchDLMContext.html#o0">_Patch</a>->TileColors[0]); +01118 <font class="preprocessor"> #else</font> +01119 <font class="preprocessor"></font> uint16 *tileColor= (uint16*)(&<a class="code" href="classNL3D_1_1CPatchDLMContext.html#o8">_LowResTileColors</a>[0]); +01120 <font class="preprocessor"> #endif</font> +01121 <font class="preprocessor"></font> +01122 <font class="comment">// For all pixels</font> +01123 dst= &<a class="code" href="classNL3D_1_1CPatchDLMContext.html#o9">_TextureFar</a>[0]; +01124 <font class="keywordflow">for</font>(sint n= <a class="code" href="classNL3D_1_1CPatchDLMContext.html#m2">Width</a>*<a class="code" href="classNL3D_1_1CPatchDLMContext.html#m3">Height</a>; n>0; n--, dst++, tileColor++) +01125 { +01126 uint16 tc= *tileColor; +01127 <font class="comment">// modulate R.</font> +01128 dst->R= ( (tc>>11) * dst->R)>>5; +01129 <font class="comment">// modulate G.</font> +01130 dst->G= (((tc>>5)&63) * dst->G)>>6; +01131 <font class="comment">// modulate B.</font> +01132 dst->B= ( (tc&31) * dst->B)>>5; +01133 } +01134 +01135 } +01136 +01137 +01138 +01139 <font class="comment">// ***************************************************************************</font> +<a name="l01140"></a><a class="code" href="classNL3D_1_1CPatchDLMContext.html#f0">01140</a> <font class="keyword">const</font> CRGBA *CPatchDLMContext::computeTileFarSrcDeltas(sint nRot, <font class="keywordtype">bool</font> is256x256, uint8 uvOff, <font class="keyword">const</font> CRGBA *srcPixel, sint &srcDeltaX, sint &srcDeltaY) +01141 { +01142 <font class="comment">// NB: code copied from CTextureFar::rebuildRectangle()</font> +01143 +01144 <font class="comment">// The tileSize at order1 is 2.</font> +01145 uint tileSize= 2; +01146 +01147 <font class="comment">// Source size</font> +01148 sint sourceSize; +01149 +01150 <font class="comment">// Source offset (for 256)</font> +01151 uint sourceOffset=0; +01152 +01153 <font class="comment">// 256 ?</font> +01154 <font class="keywordflow">if</font> (is256x256) +01155 { +01156 <font class="comment">// On the left ?</font> +01157 <font class="keywordflow">if</font> (uvOff&0x02) +01158 sourceOffset+=tileSize; +01159 +01160 <font class="comment">// On the bottom ?</font> +01161 <font class="keywordflow">if</font> ((uvOff==1)||(uvOff==2)) +01162 sourceOffset+=2*tileSize*tileSize; +01163 +01164 <font class="comment">// Yes, 256</font> +01165 sourceSize=tileSize<<1; +01166 } +01167 <font class="keywordflow">else</font> +01168 { +01169 <font class="comment">// No, 128</font> +01170 sourceSize=tileSize; +01171 } +01172 +01173 <font class="comment">// Compute offset and deltas</font> +01174 <font class="keywordflow">switch</font> (nRot) +01175 { +01176 <font class="keywordflow">case</font> 0: +01177 <font class="comment">// Source pointers</font> +01178 srcPixel= srcPixel+sourceOffset; +01179 +01180 <font class="comment">// Source delta</font> +01181 srcDeltaX=1; +01182 srcDeltaY=sourceSize; +01183 <font class="keywordflow">break</font>; +01184 <font class="keywordflow">case</font> 1: +01185 { +01186 <font class="comment">// Source pointers</font> +01187 uint newOffset=sourceOffset+(tileSize-1); +01188 srcPixel=srcPixel+newOffset; +01189 +01190 <font class="comment">// Source delta</font> +01191 srcDeltaX=sourceSize; +01192 srcDeltaY=-1; +01193 } +01194 <font class="keywordflow">break</font>; +01195 <font class="keywordflow">case</font> 2: +01196 { +01197 <font class="comment">// Destination pointer</font> +01198 uint newOffset=sourceOffset+(tileSize-1)*sourceSize+tileSize-1; +01199 srcPixel=srcPixel+newOffset; +01200 +01201 <font class="comment">// Source delta</font> +01202 srcDeltaX=-1; +01203 srcDeltaY=-sourceSize; +01204 } +01205 <font class="keywordflow">break</font>; +01206 <font class="keywordflow">case</font> 3: +01207 { +01208 <font class="comment">// Destination pointer</font> +01209 uint newOffset=sourceOffset+(tileSize-1)*sourceSize; +01210 srcPixel=srcPixel+newOffset; +01211 +01212 <font class="comment">// Source delta</font> +01213 srcDeltaX=-sourceSize; +01214 srcDeltaY=1; +01215 } +01216 <font class="keywordflow">break</font>; +01217 } +01218 +01219 <font class="keywordflow">return</font> srcPixel; +01220 } +01221 +01222 +01223 <font class="comment">// ***************************************************************************</font> +<a name="l01224"></a><a class="code" href="classNL3D_1_1CPatchDLMContext.html#f1">01224</a> <font class="keywordtype">void</font> CPatchDLMContext::copyTileToTexture(<font class="keyword">const</font> CRGBA *srcPixel, sint srcDeltaX, sint srcDeltaY, CRGBA *dstPixel, uint dstStride) +01225 { +01226 <font class="comment">// copy the 2x2 tile to the texture.</font> +01227 +01228 <font class="comment">// first line.</font> +01229 dstPixel[0]= srcPixel[0]; +01230 dstPixel[1]= srcPixel[srcDeltaX]; +01231 <font class="comment">// second line.</font> +01232 dstPixel[0+dstStride]= srcPixel[srcDeltaY]; +01233 dstPixel[1+dstStride]= srcPixel[srcDeltaY+srcDeltaX]; +01234 } +01235 +01236 <font class="comment">// ***************************************************************************</font> +<a name="l01237"></a><a class="code" href="classNL3D_1_1CPatchDLMContext.html#f2">01237</a> <font class="keywordtype">void</font> CPatchDLMContext::blendTileToTexture(<font class="keyword">const</font> CRGBA *srcPixel, sint srcDeltaX, sint srcDeltaY, CRGBA *dstPixel, uint dstStride) +01238 { +01239 <font class="comment">// blend the 2x2 tile with the texture.</font> +01240 CRGBA *dst; +01241 CRGBA <a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>; +01242 +01243 <font class="comment">// first line.</font> +01244 dst= &dstPixel[0]; <a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>= srcPixel[0]; +01245 dst->blendFromuiRGBOnly(*dst, <a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>.A); +01246 +01247 dst= &dstPixel[1]; <a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>= srcPixel[srcDeltaX]; +01248 dst->blendFromuiRGBOnly(*dst, <a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>.A); +01249 +01250 <font class="comment">// second line.</font> +01251 dst= &dstPixel[0+dstStride]; <a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>= srcPixel[srcDeltaY]; +01252 dst->blendFromuiRGBOnly(*dst, <a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>.A); +01253 +01254 dst= &dstPixel[1+dstStride]; <a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>= srcPixel[srcDeltaY+srcDeltaX]; +01255 dst->blendFromuiRGBOnly(*dst, <a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>.A); +01256 } +01257 +01258 +01259 } <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> |