aboutsummaryrefslogtreecommitdiff
path: root/docs/doxygen/nel/mesh__blender_8cpp-source.html
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--docs/doxygen/nel/mesh__blender_8cpp-source.html275
1 files changed, 275 insertions, 0 deletions
diff --git a/docs/doxygen/nel/mesh__blender_8cpp-source.html b/docs/doxygen/nel/mesh__blender_8cpp-source.html
new file mode 100644
index 00000000..11c6821c
--- /dev/null
+++ b/docs/doxygen/nel/mesh__blender_8cpp-source.html
@@ -0,0 +1,275 @@
+<!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="http://www.nevrax.org/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="http://www.nevrax.org/inc/img/pixel.gif" WIDTH="16" HEIGHT="16" BORDER=0 ALT=""></TD>
+ <TD WIDTH=140 BGCOLOR=#dddddd><IMG SRC="http://www.nevrax.org/inc/img/pixel.gif" WIDTH="140" HEIGHT="16" BORDER=0 ALT=""></TD>
+ <TD WIDTH=16><IMG SRC="http://www.nevrax.org/inc/img/pixel.gif" WIDTH="16" HEIGHT="16" BORDER=0 ALT=""></TD>
+ <TD><IMG width=6 height=14 SRC="http://www.nevrax.org/inc/img/reddots.gif" ALT="#" VSPACE=2 HSPACE=2 BORDER=0 ></TD><TD VALIGN=middle>&nbsp;<A CLASS=uplinks HREF=http://www.nevrax.org><b>Home</B></FONT></A>&nbsp;&nbsp;&nbsp;</TD>
+ <TD><IMG width=6 height=14 SRC="http://www.nevrax.org/inc/img/reddots.gif" ALT="#" VSPACE=2 HSPACE=2 BORDER=0 ></TD><TD VALIGN=middle>&nbsp;<A CLASS=uplinks HREF=http://www.nevrax.com><b>nevrax.com</B></FONT></A>&nbsp;&nbsp;&nbsp;</TD>
+ </TR>
+</TABLE>
+
+<!-- banner Nevrax -->
+<TABLE CELLSPACING=0 CELLPADDING=0 BORDER=0 WIDTH=100%>
+ <TR><TD BGCOLOR="#000000" BACKGROUND="http://www.nevrax.org/inc/img/black_banner.jpg"><A HREF="http://www.nevrax.org"><IMG SRC="http://www.nevrax.org/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="http://www.nevrax.org/inc/img/pixel.gif" WIDTH="16" HEIGHT="10" BORDER=0 ALT=""></TD>
+ <TD WIDTH=140 BGCOLOR=#dddddd VALIGN=TOP ALIGN=middle><IMG SRC="http://www.nevrax.org/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="http://www.nevrax.org/news/" TITLE="Rubrique news"><img width=13 height=15 hspace=5 border=0 src=http://www.nevrax.org/inc/img/picto-news.gif ALT=#></A></td><td><a class='linkbox' href="http://www.nevrax.org/news/" TITLE="News">News</a></td></tr>
+ <tr><td ALIGN=middle><a class='linkbox' href="http://www.nevrax.org/mail/" TITLE="Rubrique mail"><img width=15 height=11 hspace=5 border=0 src=http://www.nevrax.org/inc/img/picto-mail.gif ALT=#></A></td><td><a class='linkbox' href="http://www.nevrax.org/mail/" TITLE="Mailing list archive">Mailing-list</a></td></tr>
+ <tr><td ALIGN=middle><a class='linkbox' href="http://www.nevrax.org/docs/" TITLE="Rubrique docs"><img width=14 height=16 hspace=5 border=0 src=http://www.nevrax.org/inc/img/picto-docs.gif ALT=#></A></td><td><a class='linkbox' href="http://www.nevrax.org/docs/" TITLE="Documentation">Documentation</a></td></tr>
+ <tr><td ALIGN=middle><a class='linkbox' href="http://www.nevrax.org/cvs/" TITLE="Rubrique cvs"><img width=13 height=17 hspace=5 border=0 src=http://www.nevrax.org/inc/img/picto-cvs.gif ALT=#></A></td><td><a class='linkbox' href="http://www.nevrax.org/cvs/" TITLE="CVS Web">CVS</a></td></tr>
+ <tr><td ALIGN=middle><a class='linkbox' href="http://www.nevrax.org/bugs/" TITLE="Rubrique bugs"><img width=20 height=16 hspace=5 border=0 src=http://www.nevrax.org/inc/img/picto-bugs.gif ALT=#></A></td><td><a class='linkbox' href="http://www.nevrax.org/bugs/" TITLE="Bugtracking">Bugs</a></td></tr>
+ <tr><td ALIGN=middle><a class='linkbox' href="http://www.nevrax.org/GPL.php3" TITLE="Rubrique license"><img width=18 height=12 hspace=5 border=0 src=http://www.nevrax.org/inc/img/picto-gpl.gif ALT=#></A></td><td><a class='linkbox' href="http://www.nevrax.org/GPL.php3" TITLE="License">License</a></td></tr>
+ </TABLE>
+ </TD></TR></TABLE></TD></TR></TABLE>
+ <!------ End Box ------>
+
+ </TD>
+ <TD WIDTH=15><IMG SRC="http://www.nevrax.org/inc/img/pixel.gif" WIDTH="16" HEIGHT="16" BORDER=0 ALT=""></TD>
+ <TD ALIGN=left valign=top><IMG SRC="http://www.nevrax.org/inc/img/pixel.gif" WIDTH="140" HEIGHT="10" BORDER=0 ALT="">
+
+<!-- title -->
+<TABLE background="http://www.nevrax.org/inc/img/redline.gif" CELLSPACING=0 CELLPADDING=0 BORDER=0 width=100%><tr><td>
+<A HREF="http://www.nevrax.org/docs/"><img src="http://www.nevrax.org/inc/img/t_docs.gif" ALT="Docs" HEIGHT=20 BORDER=0></A>
+</td><td><IMG SRC="http://www.nevrax.org/inc/img/pixel.gif" WIDTH="1" HEIGHT="1" BORDER=0 ALT="">
+</td></tr></table>
+&nbsp;
+
+<!-- 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="http://www.nevrax.org/inc/img/reddots.gif"></TD>
+ <TD><B>Documentation</B></TD>
+ <TD ALIGN=RIGHT>&nbsp;</td>
+</tr></table>
+<!-- Generated by Doxygen 1.2.14 -->
+<center>
+<a class="qindex" href="index.html">Main Page</a> &nbsp; <a class="qindex" href="namespaces.html">Namespace List</a> &nbsp; <a class="qindex" href="hierarchy.html">Class Hierarchy</a> &nbsp; <a class="qindex" href="classes.html">Alphabetical List</a> &nbsp; <a class="qindex" href="annotated.html">Compound List</a> &nbsp; <a class="qindex" href="files.html">File List</a> &nbsp; <a class="qindex" href="namespacemembers.html">Namespace Members</a> &nbsp; <a class="qindex" href="functions.html">Compound Members</a> &nbsp; <a class="qindex" href="globals.html">File Members</a> &nbsp; <a class="qindex" href="pages.html">Related Pages</a> &nbsp; <a class="qindexRef" doxygen="_cgi:http://www.nevrax.org/cgi-bin/nel-search.cgi" href="http://www.nevrax.org/cgi-bin/nel-search.cgi">Search</a> &nbsp; </center>
+<hr><h1>mesh_blender.cpp</h1><a href="mesh__blender_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="mesh__blender_8h.html">3d/mesh_blender.h</a>"</font>
+00029 <font class="preprocessor">#include "<a class="code" href="driver_8h.html">3d/driver.h</a>"</font>
+00030 <font class="preprocessor">#include "<a class="code" href="fast__floor_8h.html">3d/fast_floor.h</a>"</font>
+00031
+00032
+00033 <font class="keyword">namespace </font>NL3D {
+00034
+00035
+00036 <font class="comment">// ***************************************************************************</font>
+<a name="l00037"></a><a class="code" href="classNL3D_1_1CMeshBlender.html#a1">00037</a> <font class="keywordtype">void</font> CMeshBlender::prepareRenderForGlobalAlpha(CMaterial &amp;material, IDriver *drv, <font class="keywordtype">float</font> globalAlpha, uint8 globalAlphaInt, <font class="keywordtype">bool</font> gaDisableZWrite)
+00038 {
+00039 <font class="comment">// Disable ZWrite??</font>
+00040 <font class="keywordflow">if</font>(gaDisableZWrite)
+00041 {
+00042 <font class="comment">// Backup and set new the zwrite</font>
+00043 <a class="code" href="classNL3D_1_1CMeshBlender.html#o1">_BkZWrite</a>=material.getZWrite ();
+00044 material.setZWrite (<font class="keyword">false</font>);
+00045 }
+00046
+00047 <font class="comment">// Backup blend</font>
+00048 <a class="code" href="classNL3D_1_1CMeshBlender.html#o2">_BkBlend</a>=material.getBlend ();
+00049 material.setBlend (<font class="keyword">true</font>);
+00050
+00051 <font class="comment">// Backup opacity and blend</font>
+00052 <a class="code" href="classNL3D_1_1CMeshBlender.html#o0">_BkOpacity</a>= material.getOpacity ();
+00053 <a class="code" href="classNL3D_1_1CMeshBlender.html#o3">_BkSrcBlend</a>= material.getSrcBlend();
+00054 <a class="code" href="classNL3D_1_1CMeshBlender.html#o4">_BkDstBlend</a>= material.getDstBlend();
+00055
+00056 <font class="comment">// 2 ways: if Blend Constant Color is supported or not.</font>
+00057 <font class="keywordflow">if</font>(drv-&gt;supportBlendConstantColor())
+00058 {
+00059 <font class="comment">// Set opacity to 255 =&gt; If AlphaTest is used, AlphaTexture will be multiplied by 1.</font>
+00060 material.setOpacity ( 255 );
+00061
+00062 <font class="comment">// set the Blend constant Alpha.</font>
+00063 drv-&gt;setBlendConstantColor( CRGBA(0,0,0, globalAlphaInt) );
+00064
+00065 <font class="comment">// Active Blend with Blend Constant Alpha .</font>
+00066 material.setSrcBlend(CMaterial::blendConstantAlpha);
+00067
+00068 <font class="comment">// Don't set dest if we are in additive blend mode</font>
+00069 <font class="keywordflow">if</font> ((<a class="code" href="classNL3D_1_1CMeshBlender.html#o2">_BkBlend</a> == <font class="keyword">false</font>) || (<a class="code" href="classNL3D_1_1CMeshBlender.html#o4">_BkDstBlend</a> != CMaterial::one))
+00070 material.setDstBlend(CMaterial::blendConstantInvAlpha);
+00071
+00072 <font class="comment">// if material is Alpha Test, no-op. Keep same threshold, since Use Alpha of the BlendConstantColor</font>
+00073 <font class="comment">// to do the alpha-blending.</font>
+00074 }
+00075 <font class="comment">// not supported, ugly way: modify Opacity, and alpha threshold</font>
+00076 <font class="keywordflow">else</font>
+00077 {
+00078 <font class="comment">// New opacity</font>
+00079 material.setOpacity (globalAlphaInt);
+00080
+00081 <font class="comment">// must ensure Std Blend.</font>
+00082 material.setSrcBlend(CMaterial::srcalpha);
+00083
+00084 <font class="comment">// Don't set dest if we are in additive blend mode</font>
+00085 <font class="keywordflow">if</font> ((<a class="code" href="classNL3D_1_1CMeshBlender.html#o2">_BkBlend</a> == <font class="keyword">false</font>) || (<a class="code" href="classNL3D_1_1CMeshBlender.html#o4">_BkDstBlend</a> != CMaterial::one))
+00086 material.setDstBlend(CMaterial::invsrcalpha);
+00087
+00088 <font class="comment">// if material is Alpha Test, must modulate AlphaTest limit to avoid Pop effects</font>
+00089 <font class="keywordflow">if</font>(material.getAlphaTest())
+00090 {
+00091 <a class="code" href="classNL3D_1_1CMeshBlender.html#o5">_BkAlphaTestThreshold</a>= material.getAlphaTestThreshold();
+00092 material.setAlphaTestThreshold(<a class="code" href="classNL3D_1_1CMeshBlender.html#o5">_BkAlphaTestThreshold</a> * globalAlpha);
+00093 }
+00094 }
+00095
+00096 }
+00097
+00098 <font class="comment">// ***************************************************************************</font>
+<a name="l00099"></a><a class="code" href="classNL3D_1_1CMeshBlender.html#a2">00099</a> <font class="keywordtype">void</font> CMeshBlender::restoreRender(CMaterial &amp;material, IDriver *drv, <font class="keywordtype">bool</font> gaDisableZWrite)
+00100 {
+00101 <font class="comment">// Resetup backuped zwrite</font>
+00102 <font class="keywordflow">if</font>(gaDisableZWrite)
+00103 {
+00104 material.setZWrite (<a class="code" href="classNL3D_1_1CMeshBlender.html#o1">_BkZWrite</a>);
+00105 }
+00106
+00107 <font class="comment">// Resetup backuped blend</font>
+00108 material.setBlend (<a class="code" href="classNL3D_1_1CMeshBlender.html#o2">_BkBlend</a>);
+00109
+00110 <font class="comment">// Resetup backuped opacity and blend factors</font>
+00111 material.setOpacity (<a class="code" href="classNL3D_1_1CMeshBlender.html#o0">_BkOpacity</a>);
+00112 material.setSrcBlend(<a class="code" href="classNL3D_1_1CMeshBlender.html#o3">_BkSrcBlend</a>);
+00113 material.setDstBlend(<a class="code" href="classNL3D_1_1CMeshBlender.html#o4">_BkDstBlend</a>);
+00114
+00115 <font class="comment">// 2 ways: if Blend Constant Color is supported or not.</font>
+00116 <font class="keywordflow">if</font>(drv-&gt;supportBlendConstantColor())
+00117 {
+00118 <font class="comment">// nop</font>
+00119 }
+00120 <font class="keywordflow">else</font>
+00121 {
+00122 <font class="comment">// Resetup backuped AlphaTest threshold</font>
+00123 <font class="keywordflow">if</font>(material.getAlphaTest())
+00124 {
+00125 material.setAlphaTestThreshold(<a class="code" href="classNL3D_1_1CMeshBlender.html#o5">_BkAlphaTestThreshold</a>);
+00126 }
+00127 }
+00128 }
+00129
+00130
+00131 <font class="comment">// ***************************************************************************</font>
+<a name="l00132"></a><a class="code" href="classNL3D_1_1CMeshBlender.html#a3">00132</a> <font class="keywordtype">void</font> CMeshBlender::prepareRenderForGlobalAlphaCoarseMesh(CMaterial &amp;material, IDriver *drv, <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a> color, <font class="keywordtype">float</font> globalAlpha, <font class="keywordtype">bool</font> gaDisableZWrite)
+00133 {
+00134 <font class="comment">// Don't need to bkup some values, because CoarseMesh.</font>
+00135
+00136 uint8 globalAlphaInt= (uint8)<a class="code" href="namespaceNL3D.html#a362">OptFastFloor</a>(255 * globalAlpha);
+00137
+00138 <font class="comment">// Disable ZWrite??</font>
+00139 <font class="keywordflow">if</font>(gaDisableZWrite)
+00140 material.setZWrite (<font class="keyword">false</font>);
+00141 <font class="comment">// Enable blend</font>
+00142 material.setBlend (<font class="keyword">true</font>);
+00143
+00144 <font class="comment">// bkup color and blend factors.</font>
+00145 <a class="code" href="classNL3D_1_1CMeshBlender.html#o6">_BkupColor</a>= material.getColor();
+00146 <a class="code" href="classNL3D_1_1CMeshBlender.html#o3">_BkSrcBlend</a>= material.getSrcBlend();
+00147 <a class="code" href="classNL3D_1_1CMeshBlender.html#o4">_BkDstBlend</a>= material.getDstBlend();
+00148
+00149 <font class="comment">// 2 ways: if Blend Constant Color is supported or not.</font>
+00150 <font class="keywordflow">if</font>(drv-&gt;supportBlendConstantColor())
+00151 {
+00152 <font class="comment">// Set opacity to 255 =&gt; AlphaTexture will be multiplied by 1.</font>
+00153 color.<a class="code" href="classNLMISC_1_1CRGBA.html#m3">A</a>= 255;
+00154 <font class="comment">// change color</font>
+00155 material.setColor ( color );
+00156
+00157 <font class="comment">// set the Blend constant Alpha.</font>
+00158 drv-&gt;setBlendConstantColor( CRGBA(0,0,0, globalAlphaInt) );
+00159
+00160 <font class="comment">// Active Blend with Blend Constant Alpha .</font>
+00161 material.setSrcBlend(CMaterial::blendConstantAlpha);
+00162 material.setDstBlend(CMaterial::blendConstantInvAlpha);
+00163 }
+00164 <font class="keywordflow">else</font>
+00165 {
+00166 <font class="comment">// Set current Alpha blend transparency (in color becausematerial is unlit)</font>
+00167 color.<a class="code" href="classNLMISC_1_1CRGBA.html#m3">A</a>= globalAlphaInt;
+00168 <font class="comment">// change color</font>
+00169 material.setColor ( color );
+00170
+00171 <font class="comment">// Active Blend with Blend Constant Alpha .</font>
+00172 material.setSrcBlend(CMaterial::srcalpha);
+00173 material.setDstBlend(CMaterial::invsrcalpha);
+00174
+00175 <font class="comment">// must modulate AlphaTest limit to avoid Pop effects</font>
+00176 material.setAlphaTestThreshold(0.5f * globalAlpha);
+00177 }
+00178 }
+00179
+00180 <font class="comment">// ***************************************************************************</font>
+<a name="l00181"></a><a class="code" href="classNL3D_1_1CMeshBlender.html#a4">00181</a> <font class="keywordtype">void</font> CMeshBlender::restoreRenderCoarseMesh(CMaterial &amp;material, IDriver *drv, <font class="keywordtype">bool</font> gaDisableZWrite)
+00182 {
+00183 <font class="comment">// Resetup backuped color and blend factors</font>
+00184 material.setColor ( <a class="code" href="classNL3D_1_1CMeshBlender.html#o6">_BkupColor</a> );
+00185 material.setSrcBlend(<a class="code" href="classNL3D_1_1CMeshBlender.html#o3">_BkSrcBlend</a>);
+00186 material.setDstBlend(<a class="code" href="classNL3D_1_1CMeshBlender.html#o4">_BkDstBlend</a>);
+00187
+00188 <font class="comment">// ReEnable ZWrite??</font>
+00189 <font class="keywordflow">if</font>(gaDisableZWrite)
+00190 material.setZWrite (<font class="keyword">true</font>);
+00191 <font class="comment">// Reset blend</font>
+00192 material.setBlend (<font class="keyword">false</font>);
+00193
+00194 <font class="comment">// 2 ways: if Blend Constant Color is supported or not.</font>
+00195 <font class="keywordflow">if</font>(drv-&gt;supportBlendConstantColor())
+00196 {
+00197 <font class="comment">// nop</font>
+00198 }
+00199 <font class="keywordflow">else</font>
+00200 {
+00201 <font class="comment">// reset AlphaTest limit</font>
+00202 material.setAlphaTestThreshold(0.5f);
+00203 }
+00204 }
+00205
+00206 } <font class="comment">// NL3D</font>
+</pre></div>
+
+<!-- footer -->
+<BR><FONT Size=+5>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; </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>