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<hr><h1>computed_string.cpp</h1><a href="computed__string_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001
00007 <font class="comment">/* Copyright, 2000 Nevrax Ltd.</font>
00008 <font class="comment"> *</font>
00009 <font class="comment"> * This file is part of NEVRAX NEL.</font>
00010 <font class="comment"> * NEVRAX NEL is free software; you can redistribute it and/or modify</font>
00011 <font class="comment"> * it under the terms of the GNU General Public License as published by</font>
00012 <font class="comment"> * the Free Software Foundation; either version 2, or (at your option)</font>
00013 <font class="comment"> * any later version.</font>
00014 <font class="comment"></font>
00015 <font class="comment"> * NEVRAX NEL is distributed in the hope that it will be useful, but</font>
00016 <font class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</font>
00017 <font class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</font>
00018 <font class="comment"> * General Public License for more details.</font>
00019 <font class="comment"></font>
00020 <font class="comment"> * You should have received a copy of the GNU General Public License</font>
00021 <font class="comment"> * along with NEVRAX NEL; see the file COPYING. If not, write to the</font>
00022 <font class="comment"> * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,</font>
00023 <font class="comment"> * MA 02111-1307, USA.</font>
00024 <font class="comment"> */</font>
00025
00026 <font class="preprocessor">#include "<a class="code" href="std3d_8h.html">std3d.h</a>"</font>
00027
00028 <font class="preprocessor">#include "<a class="code" href="computed__string_8h.html">3d/computed_string.h</a>"</font>
00029 <font class="preprocessor">#include "<a class="code" href="texture_8h.html">3d/texture.h</a>"</font>
00030 <font class="preprocessor">#include "<a class="code" href="primitive__block_8h.html">3d/primitive_block.h</a>"</font>
00031 <font class="preprocessor">#include "<a class="code" href="material_8h.html">3d/material.h</a>"</font>
00032
00033 <font class="preprocessor">#include "<a class="code" href="smart__ptr_8h.html">nel/misc/smart_ptr.h</a>"</font>
00034 <font class="preprocessor">#include "<a class="code" href="debug_8h.html">nel/misc/debug.h</a>"</font>
00035
00036 <font class="preprocessor">#include "<a class="code" href="file_8h.html">nel/misc/file.h</a>"</font>
00037
00038 <font class="keyword">using</font> <font class="keyword">namespace </font>std;
00039
00040 <font class="keyword">namespace </font>NL3D {
00041
00042
00043
00044 <font class="comment">/*------------------------------------------------------------------*\</font>
00045 <font class="comment"> getHotSpotVector()</font>
00046 <font class="comment">\*------------------------------------------------------------------*/</font>
<a name="l00047"></a><a class="code" href="structNL3D_1_1CComputedString.html#a1">00047</a> CVector CComputedString::getHotSpotVector(THotSpot hotspot)
00048 {
00049 CVector hotspotVector(0,0,0);
00050
00051 <font class="keywordflow">if</font>(hotspot==<a class="code" href="structNL3D_1_1CComputedString.html#s10s1">MiddleLeft</a>)
00052 hotspotVector = CVector(0,0,-<a class="code" href="structNL3D_1_1CComputedString.html#m4">StringHeight</a>/2);
00053
00054 <font class="keywordflow">if</font>(hotspot==<a class="code" href="structNL3D_1_1CComputedString.html#s10s2">TopLeft</a>)
00055 hotspotVector = CVector(0,0,-<a class="code" href="structNL3D_1_1CComputedString.html#m4">StringHeight</a>);
00056
00057 <font class="keywordflow">if</font>(hotspot==<a class="code" href="structNL3D_1_1CComputedString.html#s10s3">MiddleBottom</a>)
00058 hotspotVector = CVector(-<a class="code" href="structNL3D_1_1CComputedString.html#m3">StringWidth</a>/2,0,0);
00059
00060 <font class="keywordflow">if</font>(hotspot==<a class="code" href="structNL3D_1_1CComputedString.html#s10s4">MiddleMiddle</a>)
00061 hotspotVector = CVector(-<a class="code" href="structNL3D_1_1CComputedString.html#m3">StringWidth</a>/2,0,-<a class="code" href="structNL3D_1_1CComputedString.html#m4">StringHeight</a>/2);
00062
00063 <font class="keywordflow">if</font>(hotspot==<a class="code" href="structNL3D_1_1CComputedString.html#s10s5">MiddleTop</a>)
00064 hotspotVector = CVector(-<a class="code" href="structNL3D_1_1CComputedString.html#m3">StringWidth</a>/2,0,-<a class="code" href="structNL3D_1_1CComputedString.html#m4">StringHeight</a>);
00065
00066 <font class="keywordflow">if</font>(hotspot==<a class="code" href="structNL3D_1_1CComputedString.html#s10s6">BottomRight</a>)
00067 hotspotVector = CVector(-<a class="code" href="structNL3D_1_1CComputedString.html#m3">StringWidth</a>,0,0);
00068
00069 <font class="keywordflow">if</font>(hotspot==<a class="code" href="structNL3D_1_1CComputedString.html#s10s7">MiddleRight</a>)
00070 hotspotVector = CVector(-<a class="code" href="structNL3D_1_1CComputedString.html#m3">StringWidth</a>,0,-<a class="code" href="structNL3D_1_1CComputedString.html#m4">StringHeight</a>/2);
00071
00072 <font class="keywordflow">if</font>(hotspot==<a class="code" href="structNL3D_1_1CComputedString.html#s10s8">TopRight</a>)
00073 hotspotVector = CVector(-<a class="code" href="structNL3D_1_1CComputedString.html#m3">StringWidth</a>,0,-<a class="code" href="structNL3D_1_1CComputedString.html#m4">StringHeight</a>);
00074
00075 <font class="keywordflow">return</font> hotspotVector;
00076 }
00077
00078
00079 <font class="comment">/*------------------------------------------------------------------*\</font>
00080 <font class="comment"> render2D()</font>
00081 <font class="comment">\*------------------------------------------------------------------*/</font>
<a name="l00082"></a><a class="code" href="structNL3D_1_1CComputedString.html#a2">00082</a> <font class="keywordtype">void</font> CComputedString::render2D (IDriver& driver,
00083 <font class="keywordtype">float</font> <a class="code" href="driver__opengl__extension__def_8h.html#a231">x</a>, <font class="keywordtype">float</font> <a class="code" href="driver__opengl__extension__def_8h.html#a233">z</a>,
00084 THotSpot hotspot,
00085 <font class="keywordtype">float</font> scaleX, <font class="keywordtype">float</font> scaleZ,
00086 <font class="keywordtype">float</font> rotateY
00087 )
00088 {
00089 <font class="keywordflow">if</font> (<a class="code" href="structNL3D_1_1CComputedString.html#m0">Vertices</a>.getNumVertices() == 0)
00090 <font class="keywordflow">return</font>;
00091 <font class="comment">//x*=ResX/ResY;</font>
00092 <a class="code" href="driver__opengl__extension__def_8h.html#a231">x</a>*=(float)4/3;
00093
00094 driver.setFrustum(0, 4.0f/3.0f, 0, 1, -1, 1, <font class="keyword">false</font>); <font class="comment">// resX/resY</font>
00095
00096 <font class="comment">// Computing hotspot translation vector</font>
00097 CVector hotspotVector = <a class="code" href="structNL3D_1_1CComputedString.html#a1">getHotSpotVector</a>(hotspot);
00098
00099 <font class="comment">// tansformation matrix initialized to identity</font>
00100 CMatrix <a class="code" href="driver__opengl__extension__def_8h.html#a237">matrix</a>;
00101 <a class="code" href="driver__opengl__extension__def_8h.html#a237">matrix</a>.identity();
00102
00103 <font class="comment">// view matrix <-> identity</font>
00104 driver.setupViewMatrix(<a class="code" href="driver__opengl__extension__def_8h.html#a237">matrix</a>);
00105
00106 <font class="comment">// model matrix :</font>
00107 <font class="comment">// centering to hotspot, then scaling, rotating, and translating.</font>
00108 <a class="code" href="driver__opengl__extension__def_8h.html#a237">matrix</a>.translate(CVector(<a class="code" href="driver__opengl__extension__def_8h.html#a231">x</a>,0,<a class="code" href="driver__opengl__extension__def_8h.html#a233">z</a>));
00109 <a class="code" href="driver__opengl__extension__def_8h.html#a237">matrix</a>.rotateY(rotateY);
00110 <a class="code" href="driver__opengl__extension__def_8h.html#a237">matrix</a>.scale(CVector(scaleX,1,scaleZ));
00111 <a class="code" href="driver__opengl__extension__def_8h.html#a237">matrix</a>.translate(hotspotVector);
00112 driver.setupModelMatrix(<a class="code" href="driver__opengl__extension__def_8h.html#a237">matrix</a>);
00113
00114 driver.activeVertexBuffer(<a class="code" href="structNL3D_1_1CComputedString.html#m0">Vertices</a>);
00115
00116 <font class="comment">// rendering each primitives </font>
00117 <a class="code" href="structNL3D_1_1CComputedString.html#m1">Material</a>->setZFunc (CMaterial::always);
00118 <a class="code" href="structNL3D_1_1CComputedString.html#m1">Material</a>->setZWrite (<font class="keyword">false</font>);
00119 <a class="code" href="structNL3D_1_1CComputedString.html#m1">Material</a>->setColor (<a class="code" href="structNL3D_1_1CComputedString.html#m2">Color</a>);
00120 driver.renderQuads (*<a class="code" href="structNL3D_1_1CComputedString.html#m1">Material</a>, 0, <a class="code" href="structNL3D_1_1CComputedString.html#m0">Vertices</a>.getNumVertices()/4);
00121 }
00122
00123
00124 <font class="comment">/*------------------------------------------------------------------*\</font>
00125 <font class="comment"> render3D()</font>
00126 <font class="comment">\*------------------------------------------------------------------*/</font>
<a name="l00127"></a><a class="code" href="structNL3D_1_1CComputedString.html#a3">00127</a> <font class="keywordtype">void</font> CComputedString::render3D (IDriver& driver,CMatrix <a class="code" href="driver__opengl__extension__def_8h.html#a237">matrix</a>,THotSpot hotspot)
00128 {
00129 <font class="keywordflow">if</font> (<a class="code" href="structNL3D_1_1CComputedString.html#m0">Vertices</a>.getNumVertices() == 0)
00130 <font class="keywordflow">return</font>;
00131 <font class="comment">// Computing hotspot translation vector</font>
00132 CVector hotspotVector = <a class="code" href="structNL3D_1_1CComputedString.html#a1">getHotSpotVector</a>(hotspot);
00133 <a class="code" href="driver__opengl__extension__def_8h.html#a237">matrix</a>.translate(hotspotVector);
00134
00135 driver.setupModelMatrix(<a class="code" href="driver__opengl__extension__def_8h.html#a237">matrix</a>);
00136 driver.activeVertexBuffer(<a class="code" href="structNL3D_1_1CComputedString.html#m0">Vertices</a>);
00137
00138 <font class="comment">// Rendering each primitive blocks</font>
00139 <a class="code" href="structNL3D_1_1CComputedString.html#m1">Material</a>->setZFunc (CMaterial::lessequal);
00140 <a class="code" href="structNL3D_1_1CComputedString.html#m1">Material</a>->setZWrite (<font class="keyword">true</font>);
00141 <a class="code" href="structNL3D_1_1CComputedString.html#m1">Material</a>->setColor (<a class="code" href="structNL3D_1_1CComputedString.html#m2">Color</a>);
00142 driver.renderQuads (*<a class="code" href="structNL3D_1_1CComputedString.html#m1">Material</a>,0,<a class="code" href="structNL3D_1_1CComputedString.html#m0">Vertices</a>.getNumVertices()/4);
00143 }
00144
00145
00146 } <font class="comment">// NL3D</font>
</pre></div>
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