1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
|
<!doctype html public "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">
<HTML>
<HEAD>
<TITLE>nevrax.org : docs</TITLE>
<LINK REL=stylesheet TYPE="text/css" HREF="/inc/css/nevrax.css">
<link href="doxygen.css" rel="stylesheet" type="text/css">
</HEAD>
<BODY MARGINHEIGHT="0" MARGINWIDTH="0">
<!-- uplinks -->
<TABLE CELLSPACING=0 CELLPADDING=0 BORDER=0>
<TR>
<TD WIDTH=16><IMG SRC="/inc/img/pixel.gif" WIDTH="16" HEIGHT="16" BORDER=0 ALT=""></TD>
<TD WIDTH=140 BGCOLOR=#dddddd><IMG SRC="/inc/img/pixel.gif" WIDTH="140" HEIGHT="16" BORDER=0 ALT=""></TD>
<TD WIDTH=16><IMG SRC="/inc/img/pixel.gif" WIDTH="16" HEIGHT="16" BORDER=0 ALT=""></TD>
<TD><IMG width=6 height=14 SRC="/inc/img/reddots.gif" ALT="#" VSPACE=2 HSPACE=2 BORDER=0 ></TD><TD VALIGN=middle> <A CLASS=uplinks HREF='/'><b>Home</B></FONT></A> </TD>
<TD><IMG width=6 height=14 SRC="/inc/img/reddots.gif" ALT="#" VSPACE=2 HSPACE=2 BORDER=0 ></TD><TD VALIGN=middle> <A CLASS=uplinks HREF=><b>nevrax.com</B></FONT></A> </TD>
</TR>
</TABLE>
<!-- banner Nevrax -->
<TABLE CELLSPACING=0 CELLPADDING=0 BORDER=0 WIDTH=100%>
<TR><TD BGCOLOR="#000000" BACKGROUND="/inc/img/black_banner.jpg"><A HREF=""><IMG SRC="/inc/img/nevrax.gif" WIDTH="170" HEIGHT="45" BORDER=0 ALT="Nevrax" ></A></TD></TR>
</TABLE>
<!-- main table -->
<TABLE CELLSPACING=0 CELLPADDING=0 BORDER=0 height=100%>
<TR>
<TD WIDTH=16><IMG SRC="/inc/img/pixel.gif" WIDTH="16" HEIGHT="10" BORDER=0 ALT=""></TD>
<TD WIDTH=140 BGCOLOR=#dddddd VALIGN=TOP ALIGN=middle><IMG SRC="/inc/img/pixel.gif" WIDTH="140" HEIGHT="10" BORDER=0 ALT="">
<!------ Begin Box ------>
<TABLE BORDER=0 CELLSPACING=0 CELLPADDING=0 BGCOLOR=black><TR><TD><TABLE border=0 cellspacing=2 cellpadding=0 width=120><tr><TD ALIGN=middle bgcolor=black>
<FONT COLOR=white FACE="sans-serif"><B>Nevrax.org</B></FONT></TD></TR><tr><td colspan=2 bgcolor=#FFFFFF>
<TABLE cellspacing=0 cellpadding=1 border=0>
<tr><td ALIGN=middle><a class='linkbox' href="/news/" TITLE="Rubrique news"><img width=13 height=15 hspace=5 border=0 src=/inc/img/picto-news.gif ALT=#></A></td><td><a class='linkbox' href="/news/" TITLE="News">News</a></td></tr>
<tr><td ALIGN=middle><a class='linkbox' href="/mail/" TITLE="Rubrique mail"><img width=15 height=11 hspace=5 border=0 src=/inc/img/picto-mail.gif ALT=#></A></td><td><a class='linkbox' href="/mail/" TITLE="Mailing list archive">Mailing-list</a></td></tr>
<tr><td ALIGN=middle><a class='linkbox' href="/docs/" TITLE="Rubrique docs"><img width=14 height=16 hspace=5 border=0 src=/inc/img/picto-docs.gif ALT=#></A></td><td><a class='linkbox' href="/docs/" TITLE="Documentation">Documentation</a></td></tr>
<tr><td ALIGN=middle><a class='linkbox' href="/cvs/" TITLE="Rubrique cvs"><img width=13 height=17 hspace=5 border=0 src=/inc/img/picto-cvs.gif ALT=#></A></td><td><a class='linkbox' href="/cvs/" TITLE="CVS Web">CVS</a></td></tr>
<tr><td ALIGN=middle><a class='linkbox' href="/bugs/" TITLE="Rubrique bugs"><img width=20 height=16 hspace=5 border=0 src=/inc/img/picto-bugs.gif ALT=#></A></td><td><a class='linkbox' href="/bugs/" TITLE="Bugtracking">Bugs</a></td></tr>
<tr><td ALIGN=middle><a class='linkbox' href="/GPL.php3" TITLE="Rubrique license"><img width=18 height=12 hspace=5 border=0 src=/inc/img/picto-gpl.gif ALT=#></A></td><td><a class='linkbox' href="/GPL.php3" TITLE="License">License</a></td></tr>
</TABLE>
</TD></TR></TABLE></TD></TR></TABLE>
<!------ End Box ------>
</TD>
<TD WIDTH=15><IMG SRC="/inc/img/pixel.gif" WIDTH="16" HEIGHT="16" BORDER=0 ALT=""></TD>
<TD ALIGN=left valign=top><IMG SRC="/inc/img/pixel.gif" WIDTH="140" HEIGHT="10" BORDER=0 ALT="">
<!-- title -->
<TABLE background="/inc/img/redline.gif" CELLSPACING=0 CELLPADDING=0 BORDER=0 width=100%><tr><td>
<A HREF="/docs/"><img src="/inc/img/t_docs.gif" ALT="Docs" HEIGHT=20 BORDER=0></A>
</td><td><IMG SRC="/inc/img/pixel.gif" WIDTH="1" HEIGHT="1" BORDER=0 ALT="">
</td></tr></table>
<!-- block -->
<TABLE bgcolor="#dddddd" CELLSPACING=0 CELLPADDING=0 BORDER=0 width=100%><tr><td width=1% valign=middle><img width=6 height=14 hspace=2 vspace=2 src="/inc/img/reddots.gif"></TD>
<TD><B>Documentation</B></TD>
<TD ALIGN=RIGHT> </td>
</tr></table>
<!-- Generated by Doxygen 1.2.14 -->
<center>
<a class="qindex" href="index.html">Main Page</a> <a class="qindex" href="namespaces.html">Namespace List</a> <a class="qindex" href="hierarchy.html">Class Hierarchy</a> <a class="qindex" href="classes.html">Alphabetical List</a> <a class="qindex" href="annotated.html">Compound List</a> <a class="qindex" href="files.html">File List</a> <a class="qindex" href="namespacemembers.html">Namespace Members</a> <a class="qindex" href="functions.html">Compound Members</a> <a class="qindex" href="globals.html">File Members</a> <a class="qindex" href="pages.html">Related Pages</a> <a class="qindexRef" doxygen="_cgi:/cgi-bin/nel-search.cgi" href="/cgi-bin/nel-search.cgi">Search</a> </center>
<hr><h1>mesh_multi_lod_instance.cpp</h1><a href="mesh__multi__lod__instance_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001
00007 <font class="comment">/* Copyright, 2001 Nevrax Ltd.</font>
00008 <font class="comment"> *</font>
00009 <font class="comment"> * This file is part of NEVRAX NEL.</font>
00010 <font class="comment"> * NEVRAX NEL is free software; you can redistribute it and/or modify</font>
00011 <font class="comment"> * it under the terms of the GNU General Public License as published by</font>
00012 <font class="comment"> * the Free Software Foundation; either version 2, or (at your option)</font>
00013 <font class="comment"> * any later version.</font>
00014 <font class="comment"></font>
00015 <font class="comment"> * NEVRAX NEL is distributed in the hope that it will be useful, but</font>
00016 <font class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</font>
00017 <font class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</font>
00018 <font class="comment"> * General Public License for more details.</font>
00019 <font class="comment"></font>
00020 <font class="comment"> * You should have received a copy of the GNU General Public License</font>
00021 <font class="comment"> * along with NEVRAX NEL; see the file COPYING. If not, write to the</font>
00022 <font class="comment"> * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,</font>
00023 <font class="comment"> * MA 02111-1307, USA.</font>
00024 <font class="comment"> */</font>
00025
00026 <font class="preprocessor">#include "<a class="code" href="std3d_8h.html">std3d.h</a>"</font>
00027
00028 <font class="preprocessor">#include "<a class="code" href="mesh__multi__lod__instance_8h.html">3d/mesh_multi_lod_instance.h</a>"</font>
00029 <font class="preprocessor">#include "<a class="code" href="mesh__multi__lod_8h.html">3d/mesh_multi_lod.h</a>"</font>
00030 <font class="preprocessor">#include "<a class="code" href="coarse__mesh__manager_8h.html">3d/coarse_mesh_manager.h</a>"</font>
00031 <font class="preprocessor">#include "<a class="code" href="scene_8h.html">3d/scene.h</a>"</font>
00032
00033 <font class="preprocessor">#include "<a class="code" href="debug_8h.html">nel/misc/debug.h</a>"</font>
00034
00035 <font class="keyword">using</font> <font class="keyword">namespace </font>NLMISC;
00036
00037 <font class="keyword">namespace </font>NL3D
00038 {
00039
00040 <font class="comment">// ***************************************************************************</font>
00041
<a name="l00042"></a><a class="code" href="classNL3D_1_1CMeshMultiLodInstance.html#a0">00042</a> CMeshMultiLodInstance::CMeshMultiLodInstance ()
00043 {
00044 <font class="comment">// No flags</font>
00045 <a class="code" href="classNL3D_1_1CMeshMultiLodInstance.html#o2">Flags</a>=0;
00046 <a class="code" href="classNL3D_1_1CMeshMultiLodInstance.html#o7">_CoarseMeshDistance</a> = -1.f;
00047 }
00048
00049 <font class="comment">// ***************************************************************************</font>
00050
<a name="l00051"></a><a class="code" href="classNL3D_1_1CMeshMultiLodInstance.html#a1">00051</a> CMeshMultiLodInstance::~CMeshMultiLodInstance ()
00052 {
00053 <font class="comment">// delete instances from manager</font>
00054 <a class="code" href="classNL3D_1_1CMeshMultiLodInstance.html#a3">deleteCoarseInstances</a>();
00055 }
00056
00057
00058 <font class="comment">// ***************************************************************************</font>
00059
<a name="l00060"></a><a class="code" href="classNL3D_1_1CMeshMultiLodInstance.html#d0">00060</a> <font class="keywordtype">void</font> CMeshMultiLodInstance::registerBasic()
00061 {
00062 CMOT::registerModel (<a class="code" href="namespaceNL3D.html#a144">MeshMultiLodInstanceId</a>, <a class="code" href="namespaceNL3D.html#a140">MeshBaseInstanceId</a>, CMeshMultiLodInstance::creator);
00063 CMOT::registerObs (<a class="code" href="namespaceNL3D.html#a93">LoadBalancingTravId</a>, <a class="code" href="namespaceNL3D.html#a144">MeshMultiLodInstanceId</a>, CMeshMultiLodBalancingObs::creator);
00064 CMOT::registerObs (<a class="code" href="namespaceNL3D.html#a25">ClipTravId</a>, <a class="code" href="namespaceNL3D.html#a144">MeshMultiLodInstanceId</a>, CMeshMultiLodClipObs::creator);
00065 }
00066
00067
00068 <font class="comment">// ***************************************************************************</font>
<a name="l00069"></a><a class="code" href="classNL3D_1_1CMeshMultiLodInstance.html#a3">00069</a> <font class="keywordtype">void</font> CMeshMultiLodInstance::deleteCoarseInstances()
00070 {
00071 <font class="comment">// If at least one coarse instance is created</font>
00072 <font class="keywordflow">if</font>( <a class="code" href="classNL3D_1_1CMeshMultiLodInstance.html#o2">Flags</a> & (<a class="code" href="classNL3D_1_1CMeshMultiLodInstance.html#s3s1">Coarse0Loaded</a>|<a class="code" href="classNL3D_1_1CMeshMultiLodInstance.html#s3s2">Coarse1Loaded</a>) )
00073 {
00074 <font class="comment">// Cast shape</font>
00075 <a class="code" href="classNL3D_1_1CMeshMultiLodInstance.html#l0">CMeshMultiLod</a> *shape=safe_cast<CMeshMultiLod*> ((IShape*)<a class="code" href="classNL3D_1_1CTransformShape.html#m0">Shape</a>);
00076
00077 <font class="comment">// Manager pointer</font>
00078 CCoarseMeshManager *manager;
00079
00080 <font class="comment">// Get the manager</font>
00081 <font class="keywordflow">if</font> (shape->isStatic ())
00082 manager=<a class="code" href="classNL3D_1_1CMeshBaseInstance.html#a1">getScene</a>()->getStaticCoarseMeshManager ();
00083 <font class="keywordflow">else</font>
00084 manager=<a class="code" href="classNL3D_1_1CMeshBaseInstance.html#a1">getScene</a>()->getDynamicCoarseMeshManager ();
00085
00086 <font class="comment">// Manager ok ?</font>
00087 <font class="keywordflow">if</font> (manager)
00088 {
00089 <font class="comment">// Coarse mesh loaded ?</font>
00090 <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CMeshMultiLodInstance.html#o2">Flags</a>&<a class="code" href="classNL3D_1_1CMeshMultiLodInstance.html#s3s1">Coarse0Loaded</a>)
00091 {
00092 manager->removeMesh (<a class="code" href="classNL3D_1_1CMeshMultiLodInstance.html#o3">CoarseMeshId</a>[0]);
00093 <a class="code" href="classNL3D_1_1CMeshMultiLodInstance.html#o2">Flags</a>&= ~<a class="code" href="classNL3D_1_1CMeshMultiLodInstance.html#s3s1">Coarse0Loaded</a>;
00094 }
00095 <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CMeshMultiLodInstance.html#o2">Flags</a>&<a class="code" href="classNL3D_1_1CMeshMultiLodInstance.html#s3s2">Coarse1Loaded</a>)
00096 {
00097 manager->removeMesh (<a class="code" href="classNL3D_1_1CMeshMultiLodInstance.html#o3">CoarseMeshId</a>[1]);
00098 <a class="code" href="classNL3D_1_1CMeshMultiLodInstance.html#o2">Flags</a>&= ~<a class="code" href="classNL3D_1_1CMeshMultiLodInstance.html#s3s2">Coarse1Loaded</a>;
00099 }
00100 }
00101 }
00102 }
00103
00104
00105 <font class="comment">// ***************************************************************************</font>
<a name="l00106"></a><a class="code" href="classNL3D_1_1CMeshMultiLodInstance.html#c0">00106</a> CRGBA CMeshMultiLodInstance::getCoarseMeshLighting()
00107 {
00108 CScene *scene= <a class="code" href="classNL3D_1_1CMeshBaseInstance.html#a1">getScene</a>();
00109 <a class="code" href="debug_8h.html#a6">nlassert</a>(scene);
00110
00111 <font class="comment">// compute his sun contribution result, and update</font>
00112 CRGBA sunContrib= scene->getSunDiffuse();
00113 <font class="comment">// simulate/average diffuse lighting over the mesh by dividing diffuse by 2.</font>
00114 sunContrib.modulateFromuiRGBOnly(sunContrib, <a class="code" href="classNL3D_1_1CMeshMultiLodInstance.html#a4">getLightContribution</a>().SunContribution/2 );
00115 <font class="comment">// Add Ambient</font>
00116 sunContrib.addRGBOnly(sunContrib, scene->getSunAmbient());
00117 sunContrib.A= 255;
00118
00119 <font class="keywordflow">return</font> sunContrib;
00120 }
00121
00122
00123 <font class="comment">// ***************************************************************************</font>
<a name="l00124"></a><a class="code" href="classNL3D_1_1CMeshMultiLodClipObs.html#a0">00124</a> <font class="keywordtype">bool</font> CMeshMultiLodClipObs::clip(IBaseClipObs *caller)
00125 {
00126 <font class="comment">// Call Base method. If clipped</font>
00127 <font class="keywordflow">if</font>( !CTransformShapeClipObs::clip(caller) )
00128 {
00129 <font class="comment">// If the clip is due to a DistMax reason, must delete Coarses instances.</font>
00130 <font class="keywordflow">if</font>(CTransformShapeClipObs::isLastClipDueToDistMax())
00131 {
00132 CMeshMultiLodInstance *inst= (CMeshMultiLodInstance*)<a class="code" href="classNL3D_1_1IObs.html#m0">Model</a>;
00133 inst->deleteCoarseInstances();
00134 }
00135
00136 <font class="comment">// return result of clip</font>
00137 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00138 }
00139 <font class="keywordflow">else</font>
00140 <font class="comment">// return result of clip</font>
00141 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00142 }
00143
00144
00145 <font class="comment">// ***************************************************************************</font>
<a name="l00146"></a><a class="code" href="classNL3D_1_1CMeshMultiLodClipObs.html#a1">00146</a> <font class="keywordtype">void</font> CMeshMultiLodClipObs::forceClip(TClipReason clipReason)
00147 {
00148 <font class="comment">// If the clip is due to a DistMax reason, must delete Coarses instances.</font>
00149 <font class="keywordflow">if</font>(clipReason == IBaseClipObs::DistMaxClip)
00150 {
00151 CMeshMultiLodInstance *inst= (CMeshMultiLodInstance*)<a class="code" href="classNL3D_1_1IObs.html#m0">Model</a>;
00152 inst->deleteCoarseInstances();
00153 }
00154
00155 <font class="comment">// Call Base method (traverse Sons)</font>
00156 CTransformShapeClipObs::forceClip(clipReason);
00157 }
00158
00159
00160 <font class="comment">// ***************************************************************************</font>
00161
<a name="l00162"></a><a class="code" href="classNL3D_1_1CMeshMultiLodBalancingObs.html#a0">00162</a> <font class="keywordtype">void</font> CMeshMultiLodBalancingObs::traverse(IObs *caller)
00163 {
00164 <font class="comment">// Call previous</font>
00165 CTransformShapeLoadBalancingObs::traverse (caller);
00166
00167 <font class="comment">// If this is the second pass of LoadBalancing, choose the Lods, according to getNumTrianglesAfterLoadBalancing()</font>
00168 CLoadBalancingTrav *loadTrav= (CLoadBalancingTrav*)<a class="code" href="classNL3D_1_1IObs.html#m1">Trav</a>;
00169 <font class="keywordflow">if</font>(loadTrav->getLoadPass()==1)
00170 {
00171 <font class="comment">// Get a pointer on the model</font>
00172 CMeshMultiLodInstance *model=safe_cast<CMeshMultiLodInstance*> (Model);
00173
00174 <font class="comment">// Get a pointer on the shape</font>
00175 CMeshMultiLod *shape=safe_cast<CMeshMultiLod*> ((IShape*)model->Shape);
00176
00177 <font class="comment">// Reset render pass</font>
00178 model->setTransparency(<font class="keyword">false</font>);
00179 model->setOpacity(<font class="keyword">false</font>);
00180
00181 <font class="comment">// Get the wanted number of polygons</font>
00182 <font class="keywordtype">float</font> polygonCount=model->getNumTrianglesAfterLoadBalancing ();
00183
00184 <font class="comment">// Look for the good slot</font>
00185 uint meshCount=shape->_MeshVector.size();
00186 model->Lod0=0;
00187 <font class="keywordflow">if</font> (meshCount>1)
00188 {
00189 <font class="comment">// Look for good i</font>
00190 <font class="keywordflow">while</font> ( polygonCount < shape->_MeshVector[model->Lod0].EndPolygonCount )
00191 {
00192 model->Lod0++;
00193 <font class="keywordflow">if</font> (model->Lod0==meshCount-1)
00194 <font class="keywordflow">break</font>;
00195 }
00196 }
00197
00198 <font class="comment">// The slot</font>
00199 CMeshMultiLod::CMeshSlot &slot=shape->_MeshVector[model->Lod0];
00200
00201 <font class="comment">// Get the distance with polygon count</font>
00202 <font class="keywordtype">float</font> distance=(polygonCount-slot.B)/slot.A;
00203
00204 <font class="comment">// Get the final polygon count</font>
00205 <font class="keywordflow">if</font> (slot.MeshGeom)
00206 model->PolygonCountLod0=slot.MeshGeom->getNumTriangles (distance);
00207
00208 <font class="comment">// Second slot in use ?</font>
00209 model->Lod1=0xffffffff;
00210
00211 <font class="comment">// The next slot</font>
00212 CMeshMultiLod::CMeshSlot *nextSlot=NULL;
00213
00214 <font class="comment">// Next slot exist ?</font>
00215 <font class="keywordflow">if</font> (model->Lod0!=meshCount-1)
00216 {
00217 nextSlot=&(shape->_MeshVector[model->Lod0+1]);
00218 }
00219
00220 <font class="comment">// Max dist before blend</font>
00221 <font class="keywordtype">float</font> startBlend;
00222 <font class="keywordflow">if</font> (nextSlot)
00223 startBlend=slot.DistMax-nextSlot->BlendLength;
00224 <font class="keywordflow">else</font>
00225 startBlend=slot.DistMax-slot.BlendLength;
00226
00227 <font class="comment">// In blend zone ?</font>
00228 <font class="keywordflow">if</font> ( startBlend < distance )
00229 {
00230 <font class="comment">// Alpha factor for main Lod</font>
00231 model->BlendFactor = (slot.DistMax-distance)/(slot.DistMax-startBlend);
00232 <font class="keywordflow">if</font> (model->BlendFactor<0)
00233 model->BlendFactor=0;
00234 <a class="code" href="debug_8h.html#a6">nlassert</a> (model->BlendFactor<=1);
00235
00236 <font class="comment">// Render this mesh</font>
00237 <font class="keywordflow">if</font> (slot.MeshGeom)
00238 {
00239 <font class="keywordflow">if</font> (slot.Flags&CMeshMultiLod::CMeshSlot::BlendOut)
00240 {
00241 <font class="comment">// Render the geom mesh with alpha blending with goodPolyCount</font>
00242 model->setTransparency(<font class="keyword">true</font>);
00243 model->Flags|=CMeshMultiLodInstance::Lod0Blend;
00244 }
00245 <font class="keywordflow">else</font>
00246 {
00247 <font class="comment">// Render the geom mesh without alpha blending with goodPolyCount</font>
00248 model->setTransparency (slot.isTransparent());
00249 model->setOpacity (slot.isOpaque());
00250 model->Flags&=~CMeshMultiLodInstance::Lod0Blend;
00251 }
00252 }
00253 <font class="keywordflow">else</font>
00254 model->Lod0=0xffffffff;
00255
00256 <font class="comment">// Next mesh, BlendIn actived ?</font>
00257 <font class="keywordflow">if</font> (nextSlot && shape->_MeshVector[model->Lod0+1].MeshGeom && (nextSlot->Flags&CMeshMultiLod::CMeshSlot::BlendIn))
00258 {
00259 <font class="comment">// Render the geom mesh with alpha blending with nextSlot->BeginPolygonCount</font>
00260 model->PolygonCountLod1=nextSlot->MeshGeom->getNumTriangles (distance);
00261 model->Lod1=model->Lod0+1;
00262 model->setTransparency(<font class="keyword">true</font>);
00263 }
00264 }
00265 <font class="keywordflow">else</font>
00266 {
00267 <font class="keywordflow">if</font> (slot.MeshGeom)
00268 {
00269 <font class="comment">// Render without blend with goodPolyCount</font>
00270 model->setTransparency (slot.isTransparent());
00271 model->setOpacity (slot.isOpaque());
00272 model->Flags&=~CMeshMultiLodInstance::Lod0Blend;
00273 }
00274 <font class="keywordflow">else</font>
00275 model->Lod0=0xffffffff;
00276 }
00277 }
00278 }
00279
00280 <font class="comment">// ***************************************************************************</font>
<a name="l00281"></a><a class="code" href="classNL3D_1_1CMeshMultiLodInstance.html#a2">00281</a> <font class="keywordtype">void</font> CMeshMultiLodInstance::changeMRMDistanceSetup(<font class="keywordtype">float</font> distanceFinest, <font class="keywordtype">float</font> distanceMiddle, <font class="keywordtype">float</font> distanceCoarsest)
00282 {
00283 <font class="keywordflow">if</font>(Shape)
00284 {
00285 <font class="comment">// Get a pointer on the shape.</font>
00286 <a class="code" href="classNL3D_1_1CMeshMultiLodInstance.html#l0">CMeshMultiLod</a> *pMesh =safe_cast<CMeshMultiLod*> ((IShape*)<a class="code" href="classNL3D_1_1CTransformShape.html#m0">Shape</a>);
00287 <font class="comment">// Affect the mesh directly.</font>
00288 pMesh->changeMRMDistanceSetup(distanceFinest, distanceMiddle, distanceCoarsest);
00289 }
00290 }
00291
00292
00293 <font class="comment">// ***************************************************************************</font>
<a name="l00294"></a><a class="code" href="classNL3D_1_1CMeshMultiLodInstance.html#a7">00294</a> <font class="keywordtype">float</font> CMeshMultiLodInstance::getNumTriangles (<font class="keywordtype">float</font> distance)
00295 {
00296 <a class="code" href="classNL3D_1_1CMeshMultiLodInstance.html#l0">CMeshMultiLod</a> *shape = safe_cast<CMeshMultiLod*> ((IShape*)<a class="code" href="classNL3D_1_1CTransformShape.html#m0">Shape</a>);
00297 <font class="keywordflow">return</font> shape->getNumTrianglesWithCoarsestDist(distance, <a class="code" href="classNL3D_1_1CMeshMultiLodInstance.html#o7">_CoarseMeshDistance</a>);
00298 }
00299
00300 } <font class="comment">// NL3D</font>
</pre></div>
<!-- footer -->
<BR><FONT Size=+5> </FONT>
</TD>
<TD WIDTH=15><IMG SRC=/inc/img/pixel.gif WIDTH=15 HEIGHT=15 BORDER=0 ALT=""></TD>
</TR>
</TABLE>
</BODY>
</HTML>
|
