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
|
<!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>landscape_model.cpp</h1><a href="landscape__model_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 <vector></font>
00029 <font class="preprocessor">#include "<a class="code" href="hierarchical__timer_8h.html">nel/misc/hierarchical_timer.h</a>"</font>
00030 <font class="preprocessor">#include "<a class="code" href="landscape__model_8h.html">3d/landscape_model.h</a>"</font>
00031 <font class="preprocessor">#include "<a class="code" href="landscape_8h.html">3d/landscape.h</a>"</font>
00032 <font class="preprocessor">#include "<a class="code" href="cluster_8h.html">3d/cluster.h</a>"</font>
00033 <font class="preprocessor">#include "<a class="code" href="scene_8h.html">3d/scene.h</a>"</font>
00034 <font class="preprocessor">#include "<a class="code" href="light__trav_8h.html">3d/light_trav.h</a>"</font>
00035 <font class="keyword">using</font> <font class="keyword">namespace </font>std;
00036 <font class="keyword">using</font> <font class="keyword">namespace </font>NLMISC;
00037
<a name="l00038"></a><a class="code" href="landscape__model_8cpp.html#a0">00038</a> <font class="preprocessor">#define NL3D_MEM_LANDSCAPE NL_ALLOC_CONTEXT( 3dLand )</font>
00039 <font class="preprocessor"></font>
00040 <font class="keyword">namespace </font>NL3D
00041 {
00042
00043
00044
00045 <font class="comment">// ***************************************************************************</font>
<a name="l00046"></a><a class="code" href="classNL3D_1_1CLandscapeModel.html#d0">00046</a> <font class="keywordtype">void</font> CLandscapeModel::registerBasic()
00047 {
00048 CMOT::registerModel(<a class="code" href="namespaceNL3D.html#a72">LandscapeModelId</a>, <a class="code" href="namespaceNL3D.html#a276">TransformId</a>, CLandscapeModel::creator);
00049 CMOT::registerObs(<a class="code" href="namespaceNL3D.html#a25">ClipTravId</a>, <a class="code" href="namespaceNL3D.html#a72">LandscapeModelId</a>, CLandscapeClipObs::creator);
00050 CMOT::registerObs(<a class="code" href="namespaceNL3D.html#a232">RenderTravId</a>, <a class="code" href="namespaceNL3D.html#a72">LandscapeModelId</a>, CLandscapeRenderObs::creator);
00051 }
00052
00053
00054 <font class="comment">// ***************************************************************************</font>
<a name="l00055"></a><a class="code" href="classNL3D_1_1CLandscapeModel.html#b0">00055</a> CLandscapeModel::CLandscapeModel()
00056 {
00057 <a class="code" href="classNL3D_1_1CLandscapeModel.html#m0">Landscape</a>.init();
00058 <a class="code" href="classNL3D_1_1CLandscapeModel.html#o0">_ActiveAdditive</a>=<font class="keyword">false</font>;
00059 <a class="code" href="classNL3D_1_1CLandscapeModel.html#o1">_Additive</a>=1.f;
00060
00061 <font class="comment">// The model is renderable</font>
00062 CTransform::setIsRenderable(<font class="keyword">true</font>);
00063 }
00064
00065
00066 <font class="comment">// ***************************************************************************</font>
<a name="l00067"></a><a class="code" href="classNL3D_1_1CLandscapeModel.html#a4">00067</a> <font class="keywordtype">void</font> CLandscapeModel::initModel()
00068 {
00069 CTransform::initModel();
00070
00071 <font class="comment">// After creating the landscape (and so the VegetableManager in the ctor).</font>
00072 <font class="comment">// we must init correclty the VegetableManager.</font>
00073 <a class="code" href="classNL3D_1_1CLandscapeModel.html#m0">Landscape</a>.createVegetableBlendLayersModels(safe_cast<CScene*>(<a class="code" href="classNL3D_1_1IModel.html#n3">_OwnerMot</a>));
00074 }
00075
00076
00077 <font class="comment">// ***************************************************************************</font>
<a name="l00078"></a><a class="code" href="classNL3D_1_1CLandscapeClipObs.html#a0">00078</a> <font class="keywordtype">void</font> CLandscapeClipObs::init()
00079 {
00080 CTransformClipObs::init();
00081
00082 <font class="comment">// Enable the landscape to be clipped by the Cluster System.</font>
00083 CClipTrav *clipTrav= (CClipTrav*)<a class="code" href="classNL3D_1_1IObs.html#m1">Trav</a>;
00084 clipTrav->unlink(NULL, <a class="code" href="classNL3D_1_1IObs.html#m0">Model</a>);
00085 clipTrav->link(clipTrav->RootCluster, <a class="code" href="classNL3D_1_1IObs.html#m0">Model</a>);
00086 }
00087
00088 <font class="comment">// ***************************************************************************</font>
<a name="l00089"></a><a class="code" href="classNL3D_1_1CLandscapeClipObs.html#a1">00089</a> <font class="keywordtype">bool</font> CLandscapeClipObs::clip(IBaseClipObs *caller)
00090 {
00091 <a class="code" href="hierarchical__timer_8h.html#a4">H_AUTO</a>( NL3D_Landscape_Clip );
00092
00093 CLandscapeModel *landModel= (CLandscapeModel*)<a class="code" href="classNL3D_1_1IObs.html#m0">Model</a>;
00094 CClipTrav *clipTrav= (CClipTrav*)<a class="code" href="classNL3D_1_1IObs.html#m1">Trav</a>;
00095
00096 <font class="comment">// Before Landscape clip, must setup Driver, for good VB allocation.</font>
00097 landModel->Landscape.setDriver(clipTrav->RenderTrav->getDriver());
00098
00099 <font class="comment">// Use the unClipped pyramid (not changed by cluster System).</font>
00100 vector<CPlane> &pyramid= clipTrav->WorldFrustumPyramid;
00101
00102 <font class="comment">// We are sure that pyramid has normalized plane normals.</font>
00103 landModel->Landscape.clip(clipTrav->CamPos, pyramid);
00104
00105 <font class="comment">// Yes, this is ugly, but the clip pass is finished in render(), for clipping TessBlocks.</font>
00106 <font class="comment">// This saves an other Landscape patch traversal, so this is faster...</font>
00107 <font class="comment">// Order them in order which clip faster (first horizontal, then vertical).</font>
00108 landModel->CurrentPyramid[0]= pyramid[<a class="code" href="clip__trav_8h.html#a2">NL3D_CLIP_PLANE_LEFT</a>];
00109 landModel->CurrentPyramid[1]= pyramid[<a class="code" href="clip__trav_8h.html#a4">NL3D_CLIP_PLANE_RIGHT</a>];
00110 landModel->CurrentPyramid[2]= pyramid[<a class="code" href="clip__trav_8h.html#a3">NL3D_CLIP_PLANE_TOP</a>];
00111 landModel->CurrentPyramid[3]= pyramid[<a class="code" href="clip__trav_8h.html#a5">NL3D_CLIP_PLANE_BOTTOM</a>];
00112 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="tess__block_8h.html#a0">NL3D_TESSBLOCK_NUM_CLIP_PLANE</a>==4);
00113
00114 <font class="comment">// Well, always visible....</font>
00115 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00116 }
00117
00118 <font class="comment">// ***************************************************************************</font>
<a name="l00119"></a><a class="code" href="classNL3D_1_1CLandscapeRenderObs.html#a0">00119</a> <font class="keywordtype">void</font> CLandscapeRenderObs::traverse(IObs *caller)
00120 {
00121 <a class="code" href="landscape__model_8cpp.html#a0">NL3D_MEM_LANDSCAPE</a>
00122
00123 CLandscapeModel *landModel= (CLandscapeModel*)<a class="code" href="classNL3D_1_1IObs.html#m0">Model</a>;
00124
00125 CRenderTrav *trav= (CRenderTrav*)<a class="code" href="classNL3D_1_1IObs.html#m1">Trav</a>;
00126
00127 <font class="comment">// Change the landscape cetner. All Geomorphed pos (in VertexBuffer only or during VertexProgram)</font>
00128 <font class="comment">// substract this position.</font>
00129 landModel->Landscape.setPZBModelPosition(trav->CamPos);
00130
00131 <font class="comment">// setup the model matrix</font>
00132 CMatrix m;
00133 m.identity();
00134 <font class="comment">// ZBuffer Precion: set the modelMatrix to the current landscape PZBModelPosition.</font>
00135 <font class="comment">// NB: don't use trav->CamPos directly because setPZBModelPosition() may modify the position</font>
00136 m.setPos(landModel->Landscape.getPZBModelPosition());
00137 trav->getDriver()->setupModelMatrix(m);
00138
00139
00140 <font class="comment">// Scene Time/Lighting Mgt.</font>
00141 CScene *scene= dynamic_cast<CScene*>(landModel->_OwnerMot);
00142 <font class="keywordflow">if</font>(scene)
00143 {
00144 <font class="comment">// For vegetable, set the animation Time.</font>
00145 landModel->Landscape.setVegetableTime(scene->getCurrentTime());
00146
00147 <font class="comment">// For vegetable updateLighting, set the system Time.</font>
00148 landModel->Landscape.setVegetableUpdateLightingTime(scene->getCurrentSystemTime());
00149
00150 <font class="comment">// updateLighting</font>
00151 <a class="code" href="hierarchical__timer_8h.html#a2">H_BEFORE</a>( NL3D_Landscape_UpdateLighting );
00152 landModel->Landscape.updateLighting(scene->getCurrentSystemTime());
00153 <a class="code" href="hierarchical__timer_8h.html#a3">H_AFTER</a>( NL3D_Landscape_UpdateLighting );
00154
00155 <font class="comment">// if SceneLighting enabled</font>
00156 <font class="keywordflow">if</font>(scene->isLightingSystemEnabled())
00157 {
00158 <a class="code" href="hierarchical__timer_8h.html#a4">H_AUTO</a>( NL3D_Landscape_DynamicLighting );
00159
00160 <font class="comment">// For vegetable, set the lighting </font>
00161 landModel->Landscape.setupVegetableLighting(scene->getSunAmbient(), scene->getSunDiffuse(),
00162 scene->getSunDirection());
00163
00164 <font class="comment">// Landscape dynamic lighting: get all pointLights from scene and light landscape with them.</font>
00165 IBaseLightObs *lightObs= static_cast<IBaseLightObs*>(landModel->_LightObs);
00166 <font class="comment">// current visible Dynamic light list are registered in LightTrav::LightingManager</font>
00167 CLightTrav *lightTrav= (CLightTrav*)lightObs->Trav;
00168 <font class="comment">// Get all dynamic light list, and light landscape with it.</font>
00169 landModel->Landscape.computeDynamicLighting(lightTrav->LightingManager.getAllDynamicLightList());
00170 }
00171 }
00172
00173 <font class="comment">// First, refine.</font>
00174 <a class="code" href="hierarchical__timer_8h.html#a2">H_BEFORE</a>( NL3D_Landscape_Refine );
00175 landModel->Landscape.refine(trav->CamPos);
00176 <a class="code" href="hierarchical__timer_8h.html#a3">H_AFTER</a>( NL3D_Landscape_Refine );
00177
00178 <font class="comment">// then render.</font>
00179 <a class="code" href="hierarchical__timer_8h.html#a2">H_BEFORE</a>( NL3D_Landscape_Render );
00180 landModel->Landscape.render(trav->CamPos, trav->CamLook, landModel->CurrentPyramid, landModel->isAdditive ());
00181 <a class="code" href="hierarchical__timer_8h.html#a3">H_AFTER</a>( NL3D_Landscape_Render );
00182 }
00183
00184
00185
00186 } <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>
|
