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<h1>csgfx/trianglestream.h</h1><a href="trianglestream_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> Copyright (C) 2006 by Jorrit Tyberghein</span>
<a name="l00003"></a>00003 <span class="comment"> (C) 2006 by Frank Richter</span>
<a name="l00004"></a>00004 <span class="comment"></span>
<a name="l00005"></a>00005 <span class="comment"> This library is free software; you can redistribute it and/or</span>
<a name="l00006"></a>00006 <span class="comment"> modify it under the terms of the GNU Library General Public</span>
<a name="l00007"></a>00007 <span class="comment"> License as published by the Free Software Foundation; either</span>
<a name="l00008"></a>00008 <span class="comment"> version 2 of the License, or (at your option) any later version.</span>
<a name="l00009"></a>00009 <span class="comment"></span>
<a name="l00010"></a>00010 <span class="comment"> This library is distributed in the hope that it will be useful,</span>
<a name="l00011"></a>00011 <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00012"></a>00012 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="l00013"></a>00013 <span class="comment"> Library General Public License for more details.</span>
<a name="l00014"></a>00014 <span class="comment"></span>
<a name="l00015"></a>00015 <span class="comment"> You should have received a copy of the GNU Library General Public</span>
<a name="l00016"></a>00016 <span class="comment"> License along with this library; if not, write to the Free</span>
<a name="l00017"></a>00017 <span class="comment"> Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.</span>
<a name="l00018"></a>00018 <span class="comment">*/</span>
<a name="l00019"></a>00019
<a name="l00020"></a>00020 <span class="preprocessor">#ifndef __CS_TRIANGLESTREAM_H__</span>
<a name="l00021"></a>00021 <span class="preprocessor"></span><span class="preprocessor">#define __CS_TRIANGLESTREAM_H__</span>
<a name="l00022"></a>00022 <span class="preprocessor"></span>
<a name="l00027"></a>00027 <span class="preprocessor">#include "<a class="code" href="graph3d_8h.html" title="3D graphics interface">ivideo/graph3d.h</a>"</span>
<a name="l00028"></a>00028 <span class="preprocessor">#include "<a class="code" href="rndbuf_8h.html" title="Render buffer interface.">ivideo/rndbuf.h</a>"</span>
<a name="l00029"></a>00029
<a name="l00030"></a>00030 <span class="keyword">namespace </span>CS
<a name="l00031"></a>00031 {
<a name="l00032"></a>00032
<a name="l00037"></a>00037 <span class="keyword">template</span><<span class="keyword">typename</span> T>
<a name="l00038"></a><a class="code" href="classCS_1_1TriangleIndicesStream.html">00038</a> <span class="keyword">class </span><a class="code" href="classCS_1_1TriangleIndicesStream.html" title="Helper class to extract triangles from an index buffer.">TriangleIndicesStream</a>
<a name="l00039"></a>00039 {
<a name="l00040"></a>00040 <span class="keywordtype">size_t</span> stride;
<a name="l00041"></a>00041 <span class="keyword">const</span> <a class="code" href="group__util.html#gdde6aaee8457bee49c2a92621fe22b79" title="unsigned 8-bit integer (0..255)">uint8</a>* index;
<a name="l00042"></a>00042 <span class="keyword">const</span> <a class="code" href="group__util.html#gdde6aaee8457bee49c2a92621fe22b79" title="unsigned 8-bit integer (0..255)">uint8</a>* indexEnd;
<a name="l00043"></a>00043 T old2, old1;
<a name="l00044"></a>00044 <span class="keywordtype">bool</span> stripFlag;
<a name="l00045"></a>00045 <span class="keywordtype">int</span> quadPart;
<a name="l00046"></a>00046
<a name="l00047"></a>00047 <a class="code" href="structiRenderBuffer.html" title="This is a general buffer.">iRenderBuffer</a>* buf;
<a name="l00048"></a>00048 <a class="code" href="group__gfx3d.html#g2e793d8189bb8566ed81c168875f452b" title="Type of components.">csRenderBufferComponentType</a> compType;
<a name="l00049"></a>00049 <a class="code" href="graph3d_8h.html#df2df8d75f18c8ea2351b8e2c8180420" title="Primitive type of a mesh.">csRenderMeshType</a> meshtype;
<a name="l00050"></a>00050
<a name="l00052"></a>00052 T GetNextIndex()
<a name="l00053"></a>00053 {
<a name="l00054"></a>00054 T r;
<a name="l00055"></a>00055 <span class="keywordflow">switch</span> (compType)
<a name="l00056"></a>00056 {
<a name="l00057"></a>00057 <span class="keywordflow">default</span>:
<a name="l00058"></a>00058 <a class="code" href="cssysdef_8h.html#c380bd47888ecfe73e7b7a40b6f827a1" title="Assertion.">CS_ASSERT</a>(<span class="keyword">false</span>);
<a name="l00059"></a>00059 <span class="keywordflow">case</span> <a class="code" href="group__gfx3d.html#gg2e793d8189bb8566ed81c168875f452b26ae57b4ddbceb9634861c68516a81d7">CS_BUFCOMP_BYTE</a>:
<a name="l00060"></a>00060 r = *(<span class="keywordtype">char</span>*)index;
<a name="l00061"></a>00061 <span class="keywordflow">break</span>;
<a name="l00062"></a>00062 <span class="keywordflow">case</span> <a class="code" href="group__gfx3d.html#gg2e793d8189bb8566ed81c168875f452b25702e67abcd7290c92062ce2a867a0c">CS_BUFCOMP_UNSIGNED_BYTE</a>:
<a name="l00063"></a>00063 r = *(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>*)index;
<a name="l00064"></a>00064 <span class="keywordflow">break</span>;
<a name="l00065"></a>00065 <span class="keywordflow">case</span> <a class="code" href="group__gfx3d.html#gg2e793d8189bb8566ed81c168875f452bab6038604aa2bd575bd4351c8343d3a0">CS_BUFCOMP_SHORT</a>:
<a name="l00066"></a>00066 r = *(<span class="keywordtype">short</span>*)index;
<a name="l00067"></a>00067 <span class="keywordflow">break</span>;
<a name="l00068"></a>00068 <span class="keywordflow">case</span> <a class="code" href="group__gfx3d.html#gg2e793d8189bb8566ed81c168875f452b93ac3748f171605ca85ad3dd9e1827fc">CS_BUFCOMP_UNSIGNED_SHORT</a>:
<a name="l00069"></a>00069 r = *(<span class="keywordtype">unsigned</span> <span class="keywordtype">short</span>*)index;
<a name="l00070"></a>00070 <span class="keywordflow">break</span>;
<a name="l00071"></a>00071 <span class="keywordflow">case</span> <a class="code" href="group__gfx3d.html#gg2e793d8189bb8566ed81c168875f452ba95b8898b542f169190e6a49ea7cf2b8">CS_BUFCOMP_INT</a>:
<a name="l00072"></a>00072 r = *(<span class="keywordtype">int</span>*)index;
<a name="l00073"></a>00073 <span class="keywordflow">break</span>;
<a name="l00074"></a>00074 <span class="keywordflow">case</span> <a class="code" href="group__gfx3d.html#gg2e793d8189bb8566ed81c168875f452b96a405b29bd36a67e0796c74424387de">CS_BUFCOMP_UNSIGNED_INT</a>:
<a name="l00075"></a>00075 r = *(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>*)index;
<a name="l00076"></a>00076 <span class="keywordflow">break</span>;
<a name="l00077"></a>00077 <span class="keywordflow">case</span> <a class="code" href="group__gfx3d.html#gg2e793d8189bb8566ed81c168875f452b5df131ffd6ead0cdfa3dc9eea6a78e73">CS_BUFCOMP_FLOAT</a>:
<a name="l00078"></a>00078 r = <a class="code" href="group__util.html#g91ad9478d81a7aaf2593e8d9c3d06a14" title="Shortcut for default unsigned int.">uint</a> (*(<span class="keywordtype">float</span>*)index);
<a name="l00079"></a>00079 <span class="keywordflow">break</span>;
<a name="l00080"></a>00080 <span class="keywordflow">case</span> <a class="code" href="group__gfx3d.html#gg2e793d8189bb8566ed81c168875f452bef38bb2295605b7e873b85cd273a66a1">CS_BUFCOMP_DOUBLE</a>:
<a name="l00081"></a>00081 r = <a class="code" href="group__util.html#g91ad9478d81a7aaf2593e8d9c3d06a14" title="Shortcut for default unsigned int.">uint</a> (*(<span class="keywordtype">double</span>*)index);
<a name="l00082"></a>00082 <span class="keywordflow">break</span>;
<a name="l00083"></a>00083 }
<a name="l00084"></a>00084 index += stride;
<a name="l00085"></a>00085 <span class="keywordflow">return</span> r;
<a name="l00086"></a>00086 }
<a name="l00087"></a>00087 T GetIndex (<span class="keywordtype">size_t</span> idx)
<a name="l00088"></a>00088 {
<a name="l00089"></a>00089 <span class="keywordflow">switch</span> (compType)
<a name="l00090"></a>00090 {
<a name="l00091"></a>00091 <span class="keywordflow">default</span>:
<a name="l00092"></a>00092 <a class="code" href="cssysdef_8h.html#c380bd47888ecfe73e7b7a40b6f827a1" title="Assertion.">CS_ASSERT</a>(<span class="keyword">false</span>);
<a name="l00093"></a>00093 <span class="keywordflow">case</span> <a class="code" href="group__gfx3d.html#gg2e793d8189bb8566ed81c168875f452b26ae57b4ddbceb9634861c68516a81d7">CS_BUFCOMP_BYTE</a>:
<a name="l00094"></a>00094 <span class="keywordflow">return</span> T (*(<span class="keywordtype">char</span>*)(index+idx*stride));
<a name="l00095"></a>00095 <span class="keywordflow">case</span> <a class="code" href="group__gfx3d.html#gg2e793d8189bb8566ed81c168875f452b25702e67abcd7290c92062ce2a867a0c">CS_BUFCOMP_UNSIGNED_BYTE</a>:
<a name="l00096"></a>00096 <span class="keywordflow">return</span> T (*(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>*)(index+idx*stride));
<a name="l00097"></a>00097 <span class="keywordflow">case</span> <a class="code" href="group__gfx3d.html#gg2e793d8189bb8566ed81c168875f452bab6038604aa2bd575bd4351c8343d3a0">CS_BUFCOMP_SHORT</a>:
<a name="l00098"></a>00098 <span class="keywordflow">return</span> T (*(<span class="keywordtype">short</span>*)(index+idx*stride));
<a name="l00099"></a>00099 <span class="keywordflow">case</span> <a class="code" href="group__gfx3d.html#gg2e793d8189bb8566ed81c168875f452b93ac3748f171605ca85ad3dd9e1827fc">CS_BUFCOMP_UNSIGNED_SHORT</a>:
<a name="l00100"></a>00100 <span class="keywordflow">return</span> T (*(<span class="keywordtype">unsigned</span> <span class="keywordtype">short</span>*)(index+idx*stride));
<a name="l00101"></a>00101 <span class="keywordflow">case</span> <a class="code" href="group__gfx3d.html#gg2e793d8189bb8566ed81c168875f452ba95b8898b542f169190e6a49ea7cf2b8">CS_BUFCOMP_INT</a>:
<a name="l00102"></a>00102 <span class="keywordflow">return</span> T (*(<span class="keywordtype">int</span>*)(index+idx*stride));
<a name="l00103"></a>00103 <span class="keywordflow">case</span> <a class="code" href="group__gfx3d.html#gg2e793d8189bb8566ed81c168875f452b96a405b29bd36a67e0796c74424387de">CS_BUFCOMP_UNSIGNED_INT</a>:
<a name="l00104"></a>00104 <span class="keywordflow">return</span> T (*(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>*)(index+idx*stride));
<a name="l00105"></a>00105 <span class="keywordflow">case</span> <a class="code" href="group__gfx3d.html#gg2e793d8189bb8566ed81c168875f452b5df131ffd6ead0cdfa3dc9eea6a78e73">CS_BUFCOMP_FLOAT</a>:
<a name="l00106"></a>00106 <span class="keywordflow">return</span> T (*(<span class="keywordtype">float</span>*)(index+idx*stride));
<a name="l00107"></a>00107 <span class="keywordflow">case</span> <a class="code" href="group__gfx3d.html#gg2e793d8189bb8566ed81c168875f452bef38bb2295605b7e873b85cd273a66a1">CS_BUFCOMP_DOUBLE</a>:
<a name="l00108"></a>00108 <span class="keywordflow">return</span> T (*(<span class="keywordtype">double</span>*)(index+idx*stride));
<a name="l00109"></a>00109 }
<a name="l00110"></a>00110 <span class="keywordflow">return</span> 0;
<a name="l00111"></a>00111 }
<a name="l00112"></a>00112 <span class="keyword">public</span>:
<a name="l00118"></a><a class="code" href="classCS_1_1TriangleIndicesStream.html#5afe8f2139400f9537f3453ac0f70f61">00118</a> <a class="code" href="classCS_1_1TriangleIndicesStream.html#5afe8f2139400f9537f3453ac0f70f61" title="Construct uninitialized triangle stream.">TriangleIndicesStream</a> () : old2(0), old1(0), buf (0) { }
<a name="l00127"></a><a class="code" href="classCS_1_1TriangleIndicesStream.html#340947171db7b1ddcb6418c186cc46df">00127</a> <a class="code" href="classCS_1_1TriangleIndicesStream.html#5afe8f2139400f9537f3453ac0f70f61" title="Construct uninitialized triangle stream.">TriangleIndicesStream</a> (<a class="code" href="structiRenderBuffer.html" title="This is a general buffer.">iRenderBuffer</a>* indices,
<a name="l00128"></a>00128 <a class="code" href="graph3d_8h.html#df2df8d75f18c8ea2351b8e2c8180420" title="Primitive type of a mesh.">csRenderMeshType</a> meshtype,
<a name="l00129"></a>00129 <span class="keywordtype">size_t</span> indexStart = 0,
<a name="l00130"></a>00130 <span class="keywordtype">size_t</span> indexEnd = (<span class="keywordtype">size_t</span>)~0) : old2(0), old1(0)
<a name="l00131"></a>00131 {
<a name="l00132"></a>00132 <a class="code" href="classCS_1_1TriangleIndicesStream.html#d00018f04234b881ee31f9e0fe702d60" title="Begin triangulation of an index buffer.">BeginTriangulate</a> (indices, meshtype, indexStart, indexEnd);
<a name="l00133"></a>00133 }
<a name="l00134"></a><a class="code" href="classCS_1_1TriangleIndicesStream.html#353965c85853556da4a24842aade6923">00134</a> <a class="code" href="classCS_1_1TriangleIndicesStream.html#353965c85853556da4a24842aade6923">~TriangleIndicesStream</a>()
<a name="l00135"></a>00135 {
<a name="l00136"></a>00136 <span class="keywordflow">if</span> (buf != 0) buf-><a class="code" href="structiRenderBuffer.html#52455e929de9ca42c4e85be85b9075ae" title="Releases the buffer.">Release</a> ();
<a name="l00137"></a>00137 }
<a name="l00138"></a>00138
<a name="l00147"></a><a class="code" href="classCS_1_1TriangleIndicesStream.html#d00018f04234b881ee31f9e0fe702d60">00147</a> <span class="keywordtype">void</span> <a class="code" href="classCS_1_1TriangleIndicesStream.html#d00018f04234b881ee31f9e0fe702d60" title="Begin triangulation of an index buffer.">BeginTriangulate</a> (<span class="keyword">const</span> <a class="code" href="group__util.html#gdde6aaee8457bee49c2a92621fe22b79" title="unsigned 8-bit integer (0..255)">uint8</a>* index, <span class="keyword">const</span> <a class="code" href="group__util.html#gdde6aaee8457bee49c2a92621fe22b79" title="unsigned 8-bit integer (0..255)">uint8</a>* indexEnd,
<a name="l00148"></a>00148 <span class="keywordtype">size_t</span> stride, <a class="code" href="group__gfx3d.html#g2e793d8189bb8566ed81c168875f452b" title="Type of components.">csRenderBufferComponentType</a> compType,
<a name="l00149"></a>00149 <a class="code" href="graph3d_8h.html#df2df8d75f18c8ea2351b8e2c8180420" title="Primitive type of a mesh.">csRenderMeshType</a> meshtype)
<a name="l00150"></a>00150 {
<a name="l00151"></a>00151 this->index = index;
<a name="l00152"></a>00152 this->indexEnd = indexEnd;
<a name="l00153"></a>00153 this->stride = stride;
<a name="l00154"></a>00154 stripFlag = <span class="keyword">false</span>;
<a name="l00155"></a>00155 quadPart = 0;
<a name="l00156"></a>00156 this->compType = compType;
<a name="l00157"></a>00157 this->meshtype = meshtype;
<a name="l00158"></a>00158
<a name="l00159"></a>00159 <span class="keywordflow">switch</span> (meshtype)
<a name="l00160"></a>00160 {
<a name="l00161"></a>00161 <span class="keywordflow">case</span> <a class="code" href="graph3d_8h.html#df2df8d75f18c8ea2351b8e2c81804204fad3831709890a09dc724e90443bfa6" title="Triangle strip.">CS_MESHTYPE_TRIANGLESTRIP</a>:
<a name="l00162"></a>00162 <span class="keywordflow">case</span> <a class="code" href="graph3d_8h.html#df2df8d75f18c8ea2351b8e2c81804202f963fcdc2a8c89c3c95c551b0377a92" title="Triangle fan.">CS_MESHTYPE_TRIANGLEFAN</a>:
<a name="l00163"></a>00163 {
<a name="l00164"></a>00164 old2 = GetNextIndex();
<a name="l00165"></a>00165 old1 = GetNextIndex();
<a name="l00166"></a>00166 <span class="keywordflow">break</span>;
<a name="l00167"></a>00167 }
<a name="l00168"></a>00168 <span class="keywordflow">default</span>:
<a name="l00169"></a>00169 ;
<a name="l00170"></a>00170 }
<a name="l00171"></a>00171 }
<a name="l00172"></a>00172
<a name="l00181"></a><a class="code" href="classCS_1_1TriangleIndicesStream.html#70568e6b97970d2cedde3954cbfa9c73">00181</a> <span class="keywordtype">void</span> <a class="code" href="classCS_1_1TriangleIndicesStream.html#d00018f04234b881ee31f9e0fe702d60" title="Begin triangulation of an index buffer.">BeginTriangulate</a> (<a class="code" href="structiRenderBuffer.html" title="This is a general buffer.">iRenderBuffer</a>* indices,
<a name="l00182"></a>00182 <a class="code" href="graph3d_8h.html#df2df8d75f18c8ea2351b8e2c8180420" title="Primitive type of a mesh.">csRenderMeshType</a> meshtype,
<a name="l00183"></a>00183 <span class="keywordtype">size_t</span> indexStart = 0,
<a name="l00184"></a>00184 <span class="keywordtype">size_t</span> indexEnd = (<span class="keywordtype">size_t</span>)~0)
<a name="l00185"></a>00185 {
<a name="l00186"></a>00186 <span class="keywordflow">if</span> (indexEnd == (<span class="keywordtype">size_t</span>)~0) indexEnd = indices-><a class="code" href="structiRenderBuffer.html#2c43d2f649e4725a8e86abfa5dfbfffe" title="Number of elements in a buffer.">GetElementCount</a>();
<a name="l00187"></a>00187
<a name="l00188"></a>00188 buf = indices;
<a name="l00189"></a>00189 <a class="code" href="group__util.html#gdde6aaee8457bee49c2a92621fe22b79" title="unsigned 8-bit integer (0..255)">uint8</a>* indexLock = (<a class="code" href="group__util.html#gdde6aaee8457bee49c2a92621fe22b79" title="unsigned 8-bit integer (0..255)">uint8</a>*)buf-><a class="code" href="structiRenderBuffer.html#7c03d7a103a3b83597386caf3f3c5c3b" title="Lock the buffer to allow reading or writing to it directly.">Lock</a> (<a class="code" href="group__gfx3d.html#gg6415ede5d389a1c56c44ddbc924c8fdc7c3697778fea9d548b1658261e9dff0b" title="Lock used for reading only from the buffer.">CS_BUF_LOCK_READ</a>);
<a name="l00190"></a>00190
<a name="l00191"></a>00191 <span class="keywordtype">size_t</span> stride = indices-><a class="code" href="structiRenderBuffer.html#77535f2913a88ee424d4bfe52e8a646d" title="Get the distance between two elements (in bytes, includes stride).">GetElementDistance</a>();
<a name="l00192"></a>00192 <a class="code" href="group__util.html#gdde6aaee8457bee49c2a92621fe22b79" title="unsigned 8-bit integer (0..255)">uint8</a>* tri = indexLock + indexStart*stride;
<a name="l00193"></a>00193 <span class="keyword">const</span> <a class="code" href="group__util.html#gdde6aaee8457bee49c2a92621fe22b79" title="unsigned 8-bit integer (0..255)">uint8</a>* triEnd = indexLock + indexEnd*stride;
<a name="l00194"></a>00194
<a name="l00195"></a>00195 <a class="code" href="classCS_1_1TriangleIndicesStream.html#d00018f04234b881ee31f9e0fe702d60" title="Begin triangulation of an index buffer.">BeginTriangulate</a> (tri, triEnd, stride, indices-><a class="code" href="structiRenderBuffer.html#23e7848455338c7636d6a97e5a09c7c8" title="Gets the component type (float, int, etc).">GetComponentType</a>(),
<a name="l00196"></a>00196 meshtype);
<a name="l00197"></a>00197 }
<a name="l00198"></a>00198
<a name="l00200"></a><a class="code" href="classCS_1_1TriangleIndicesStream.html#2c49df8a4680a3e91f93d2d411c4151b">00200</a> <span class="keywordtype">bool</span> <a class="code" href="classCS_1_1TriangleIndicesStream.html#2c49df8a4680a3e91f93d2d411c4151b" title="Returns whether a triangle is available.">HasNext</a>()<span class="keyword"> const</span>
<a name="l00201"></a>00201 <span class="keyword"> </span>{
<a name="l00202"></a>00202 <span class="keywordflow">return</span> (index < indexEnd);
<a name="l00203"></a>00203 }
<a name="l00204"></a>00204 <a class="code" href="cssysdef_8h.html#69b27a22db26f4a2bb7a26a85d2ab06b" title="A variant of CS_DEPRECATED_METHOD that also emits the message msg on compilers that...">CS_DEPRECATED_METHOD_MSG</a>(<span class="stringliteral">"Use HasNext() instead"</span>)
<a name="l00205"></a><a class="code" href="classCS_1_1TriangleIndicesStream.html#3469b5fec5f88faf5d506924338a4e31">00205</a> bool <a class="code" href="classCS_1_1TriangleIndicesStream.html#3469b5fec5f88faf5d506924338a4e31">HasNextTri</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classCS_1_1TriangleIndicesStream.html#2c49df8a4680a3e91f93d2d411c4151b" title="Returns whether a triangle is available.">HasNext</a>(); }
<a name="l00207"></a><a class="code" href="classCS_1_1TriangleIndicesStream.html#f6a1ae4a6c7331d1b270da7cac6c8a49">00207</a> <a class="code" href="structCS_1_1TriangleT.html" title="A templated triangle.">TriangleT<T></a> <a class="code" href="classCS_1_1TriangleIndicesStream.html#f6a1ae4a6c7331d1b270da7cac6c8a49" title="Fetches the next triangle from the buffer.">Next</a> ()
<a name="l00208"></a>00208 {
<a name="l00209"></a>00209 <a class="code" href="cssysdef_8h.html#c380bd47888ecfe73e7b7a40b6f827a1" title="Assertion.">CS_ASSERT</a> (index < indexEnd);
<a name="l00210"></a>00210 <a class="code" href="structCS_1_1TriangleT.html" title="A templated triangle.">TriangleT<T></a> t;
<a name="l00211"></a>00211 <span class="keywordflow">switch</span> (meshtype)
<a name="l00212"></a>00212 {
<a name="l00213"></a>00213 <span class="keywordflow">case</span> <a class="code" href="graph3d_8h.html#df2df8d75f18c8ea2351b8e2c818042094b4df90ff18151ccf452f3d4d4f611e" title="Triangles.">CS_MESHTYPE_TRIANGLES</a>:
<a name="l00214"></a>00214 {
<a name="l00215"></a>00215 t.<a class="code" href="structCS_1_1TriangleT.html#1aa32e15205b1a4387364e502fcaa5d3" title="Triangle vertices or edges.">a</a> = GetIndex (0);
<a name="l00216"></a>00216 t.<a class="code" href="structCS_1_1TriangleT.html#88196f79568eb32163bcc22f81048105" title="Triangle vertices or edges.">b</a> = GetIndex (1);
<a name="l00217"></a>00217 t.<a class="code" href="structCS_1_1TriangleT.html#a91e4ad17acaed80761f7762b3f6e747" title="Triangle vertices or edges.">c</a> = GetIndex (2);
<a name="l00218"></a>00218 index += 3*<a class="code" href="group__gfx3d.html#g542a5dba96bc9616b5857070afe19ef0" title="Sizes of individual buffer components in bytes.">csRenderBufferComponentSizes</a>[compType];
<a name="l00219"></a>00219 }
<a name="l00220"></a>00220 <span class="keywordflow">break</span>;
<a name="l00221"></a>00221 <span class="keywordflow">case</span> <a class="code" href="graph3d_8h.html#df2df8d75f18c8ea2351b8e2c81804204fad3831709890a09dc724e90443bfa6" title="Triangle strip.">CS_MESHTYPE_TRIANGLESTRIP</a>:
<a name="l00222"></a>00222 {
<a name="l00223"></a>00223 <span class="keyword">const</span> T cur = GetNextIndex();
<a name="l00224"></a>00224 t.<a class="code" href="structCS_1_1TriangleT.html#1aa32e15205b1a4387364e502fcaa5d3" title="Triangle vertices or edges.">a</a> = old1;
<a name="l00225"></a>00225 t.<a class="code" href="structCS_1_1TriangleT.html#88196f79568eb32163bcc22f81048105" title="Triangle vertices or edges.">b</a> = old2;
<a name="l00226"></a>00226 t.<a class="code" href="structCS_1_1TriangleT.html#a91e4ad17acaed80761f7762b3f6e747" title="Triangle vertices or edges.">c</a> = cur;
<a name="l00227"></a>00227 <span class="keywordflow">if</span> (stripFlag)
<a name="l00228"></a>00228 old2 = cur;
<a name="l00229"></a>00229 <span class="keywordflow">else</span>
<a name="l00230"></a>00230 old1 = cur;
<a name="l00231"></a>00231 stripFlag = !stripFlag;
<a name="l00232"></a>00232 }
<a name="l00233"></a>00233 <span class="keywordflow">break</span>;
<a name="l00234"></a>00234 <span class="keywordflow">case</span> <a class="code" href="graph3d_8h.html#df2df8d75f18c8ea2351b8e2c81804202f963fcdc2a8c89c3c95c551b0377a92" title="Triangle fan.">CS_MESHTYPE_TRIANGLEFAN</a>:
<a name="l00235"></a>00235 {
<a name="l00236"></a>00236 <span class="keyword">const</span> T cur = GetNextIndex();
<a name="l00237"></a>00237 t.<a class="code" href="structCS_1_1TriangleT.html#1aa32e15205b1a4387364e502fcaa5d3" title="Triangle vertices or edges.">a</a> = old2;
<a name="l00238"></a>00238 t.<a class="code" href="structCS_1_1TriangleT.html#88196f79568eb32163bcc22f81048105" title="Triangle vertices or edges.">b</a> = old1;
<a name="l00239"></a>00239 t.<a class="code" href="structCS_1_1TriangleT.html#a91e4ad17acaed80761f7762b3f6e747" title="Triangle vertices or edges.">c</a> = cur;
<a name="l00240"></a>00240 old1 = cur;
<a name="l00241"></a>00241 }
<a name="l00242"></a>00242 <span class="keywordflow">break</span>;
<a name="l00243"></a>00243 <span class="keywordflow">case</span> <a class="code" href="graph3d_8h.html#df2df8d75f18c8ea2351b8e2c81804207af9a68303966071a8d7ef158cbd1cfc" title="Quads.">CS_MESHTYPE_QUADS</a>:
<a name="l00244"></a>00244 {
<a name="l00245"></a>00245 <span class="keywordflow">if</span> (quadPart == 0)
<a name="l00246"></a>00246 {
<a name="l00247"></a>00247 t.<a class="code" href="structCS_1_1TriangleT.html#1aa32e15205b1a4387364e502fcaa5d3" title="Triangle vertices or edges.">a</a> = GetIndex (0);
<a name="l00248"></a>00248 t.<a class="code" href="structCS_1_1TriangleT.html#88196f79568eb32163bcc22f81048105" title="Triangle vertices or edges.">b</a> = GetIndex (1);
<a name="l00249"></a>00249 t.<a class="code" href="structCS_1_1TriangleT.html#a91e4ad17acaed80761f7762b3f6e747" title="Triangle vertices or edges.">c</a> = GetIndex (2);
<a name="l00250"></a>00250 }
<a name="l00251"></a>00251 <span class="keywordflow">else</span>
<a name="l00252"></a>00252 {
<a name="l00253"></a>00253 t.<a class="code" href="structCS_1_1TriangleT.html#1aa32e15205b1a4387364e502fcaa5d3" title="Triangle vertices or edges.">a</a> = GetIndex (0);
<a name="l00254"></a>00254 t.<a class="code" href="structCS_1_1TriangleT.html#88196f79568eb32163bcc22f81048105" title="Triangle vertices or edges.">b</a> = GetIndex (2);
<a name="l00255"></a>00255 t.<a class="code" href="structCS_1_1TriangleT.html#a91e4ad17acaed80761f7762b3f6e747" title="Triangle vertices or edges.">c</a> = GetIndex (3);
<a name="l00256"></a>00256 index += 4*<a class="code" href="group__gfx3d.html#g542a5dba96bc9616b5857070afe19ef0" title="Sizes of individual buffer components in bytes.">csRenderBufferComponentSizes</a>[compType];
<a name="l00257"></a>00257 }
<a name="l00258"></a>00258 quadPart ^= 1;
<a name="l00259"></a>00259 }
<a name="l00260"></a>00260 <span class="keywordflow">break</span>;
<a name="l00261"></a>00261 <span class="keywordflow">default</span>:
<a name="l00262"></a>00262 <a class="code" href="cssysdef_8h.html#98cf1ab82994ac8a7c2a25120f6f15d2" title="Same as CS_ASSERT(expr), but additionally prints msg to stderr.">CS_ASSERT_MSG</a>(<span class="stringliteral">"Unsupported mesh type"</span>, <span class="keyword">false</span>);
<a name="l00263"></a>00263 ;
<a name="l00264"></a>00264 }
<a name="l00265"></a>00265 <span class="keywordflow">return</span> t;
<a name="l00266"></a>00266 }
<a name="l00267"></a>00267 <a class="code" href="cssysdef_8h.html#69b27a22db26f4a2bb7a26a85d2ab06b" title="A variant of CS_DEPRECATED_METHOD that also emits the message msg on compilers that...">CS_DEPRECATED_METHOD_MSG</a>(<span class="stringliteral">"Use Next() instead"</span>)
<a name="l00268"></a><a class="code" href="classCS_1_1TriangleIndicesStream.html#c00af632a961fd7ec7bfaa818fd7c35c">00268</a> bool <a class="code" href="classCS_1_1TriangleIndicesStream.html#c00af632a961fd7ec7bfaa818fd7c35c">NextTriangle</a> (T& a, T& b, T& c)
<a name="l00269"></a>00269 {
<a name="l00270"></a>00270 <a class="code" href="structCS_1_1TriangleT.html" title="A templated triangle.">TriangleT<T></a> tri = <a class="code" href="classCS_1_1TriangleIndicesStream.html#f6a1ae4a6c7331d1b270da7cac6c8a49" title="Fetches the next triangle from the buffer.">Next</a> ();
<a name="l00271"></a>00271 a = tri.<a class="code" href="structCS_1_1TriangleT.html#1aa32e15205b1a4387364e502fcaa5d3" title="Triangle vertices or edges.">a</a>; b = tri.<a class="code" href="structCS_1_1TriangleT.html#88196f79568eb32163bcc22f81048105" title="Triangle vertices or edges.">b</a>; c = tri.<a class="code" href="structCS_1_1TriangleT.html#a91e4ad17acaed80761f7762b3f6e747" title="Triangle vertices or edges.">c</a>;
<a name="l00272"></a>00272 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00273"></a>00273 }
<a name="l00274"></a>00274 };
<a name="l00275"></a>00275
<a name="l00276"></a>00276 } <span class="comment">// namespace CS</span>
<a name="l00277"></a>00277
<a name="l00278"></a>00278 <span class="preprocessor">#endif // __CS_TRIANGLESTREAM_H__</span>
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