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
|
<!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=http://www.nevrax.com><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>deform_2d.cpp</h1><a href="deform__2d_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001
00007 <font class="comment">/* Copyright, 2000, 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="deform__2d_8h.html">3d/deform_2d.h</a>"</font>
00029
00030
00031
00032 <font class="preprocessor">#include <vector></font>
00033 <font class="preprocessor">#include "<a class="code" href="vector__2f_8h.html">nel/misc/vector_2f.h</a>"</font>
00034 <font class="preprocessor">#include "<a class="code" href="smart__ptr_8h.html">nel/misc/smart_ptr.h</a>"</font>
00035 <font class="preprocessor">#include "<a class="code" href="heat__haze_8h.html">3d/heat_haze.h</a>"</font>
00036 <font class="preprocessor">#include "<a class="code" href="quad__effect_8h.html">3d/quad_effect.h</a>"</font>
00037 <font class="preprocessor">#include "<a class="code" href="texture__blank_8h.html">3d/texture_blank.h</a>"</font>
00038 <font class="preprocessor">#include "<a class="code" href="driver_8h.html">3d/driver.h</a>"</font>
00039 <font class="preprocessor">#include "<a class="code" href="dru_8h.html">3d/dru.h</a>"</font>
00040 <font class="preprocessor">#include "<a class="code" href="material_8h.html">3d/material.h</a>"</font>
00041
00042 <font class="keyword">namespace </font>NL3D {
00043
00044
00045
<a name="l00046"></a><a class="code" href="classNL3D_1_1CDeform2d.html#q0">00046</a> uint CDeform2d::_Width;
<a name="l00047"></a><a class="code" href="classNL3D_1_1CDeform2d.html#q1">00047</a> uint CDeform2d::_Height;
<a name="l00048"></a><a class="code" href="classNL3D_1_1CDeform2d.html#q2">00048</a> uint CDeform2d::_XGranularity;
<a name="l00049"></a><a class="code" href="classNL3D_1_1CDeform2d.html#q3">00049</a> uint CDeform2d::_YGranularity;
<a name="l00050"></a><a class="code" href="classNL3D_1_1CDeform2d.html#q4">00050</a> uint CDeform2d::_XQuad;
<a name="l00051"></a><a class="code" href="classNL3D_1_1CDeform2d.html#q5">00051</a> uint CDeform2d::_YQuad;
<a name="l00052"></a><a class="code" href="classNL3D_1_1CDeform2d.html#q6">00052</a> <a class="code" href="classNLMISC_1_1CSmartPtr.html">NLMISC::CSmartPtr<ITexture></a> CDeform2d::_Tex;
00053
00054
<a name="l00055"></a><a class="code" href="classNL3D_1_1CDeform2d.html#d1">00055</a> <font class="keywordtype">void</font> CDeform2d::setupBuffer(uint <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>, uint <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>, uint xGranularity, uint yGranularity
00056 , uint xQuad, uint yQuad)
00057 {
00058 <a class="code" href="classNL3D_1_1CDeform2d.html#q0">_Width</a> = <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>;
00059 <a class="code" href="classNL3D_1_1CDeform2d.html#q1">_Height</a> = <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>;
00060 <a class="code" href="classNL3D_1_1CDeform2d.html#q2">_XGranularity</a> = xGranularity;
00061 <a class="code" href="classNL3D_1_1CDeform2d.html#q3">_YGranularity</a> = yGranularity;
00062 <a class="code" href="classNL3D_1_1CDeform2d.html#q4">_XQuad</a> = xQuad;
00063 <a class="code" href="classNL3D_1_1CDeform2d.html#q5">_YQuad</a> = yQuad;
00064
00065 uint realWidth = <a class="code" href="namespaceNLMISC.html#a223">NLMISC::raiseToNextPowerOf2</a>(<a class="code" href="classNL3D_1_1CDeform2d.html#q0">_Width</a>);
00066 uint realHeight= <a class="code" href="namespaceNLMISC.html#a223">NLMISC::raiseToNextPowerOf2</a>(<a class="code" href="classNL3D_1_1CDeform2d.html#q1">_Height</a>);
00067
00068 <a class="code" href="classNL3D_1_1CDeform2d.html#q6">_Tex</a> = <font class="keyword">new</font> CTextureBlank;
00069 <a class="code" href="classNL3D_1_1CDeform2d.html#q6">_Tex</a>->resize(realWidth, realHeight, CBitmap::RGBA);
00070 }
00071
00072
00073
00074
00076 <font class="keyword">static</font> <font class="keyword">inline</font> <font class="keywordtype">void</font> <a class="code" href="namespaceNL3D.html#a322">computePerturbation</a>(<font class="keyword">const</font> <font class="keywordtype">float</font> <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, <font class="keyword">const</font> <font class="keywordtype">float</font> <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>, <font class="keywordtype">float</font> &dx, <font class="keywordtype">float</font> &dy)
00077 {
00078 <font class="comment">// dummy func for now</font>
00079 <font class="comment">/* dx = 0.05f * (float) (rand() * (1.F / RAND_MAX));</font>
00080 <font class="comment"> dy = 0.05f * (float) (rand() * (1.F / RAND_MAX));*/</font>
00081 dx= 0.f;
00082 dy = 0.f;
00083 }
00084
<a name="l00085"></a><a class="code" href="classNL3D_1_1CDeform2d.html#d0">00085</a> <font class="keywordtype">void</font> CDeform2d::doDeform(<font class="keyword">const</font> TPoint2DVect &surf, IDriver *drv, IPerturbUV *uvp)
00086 {
00087
00088 <a class="code" href="debug_8h.html#a6">nlassert</a>(uvp);
00089
00090 <font class="keyword">typedef</font> CQuadEffect::TPoint2DVect <a class="code" href="classNL3D_1_1CDeform2d.html#s0">TPoint2DVect</a>;
00091 <a class="code" href="classNL3D_1_1CDeform2d.html#s0">TPoint2DVect</a> dest;
00092
00093 CQuadEffect::processPoly(surf, (<font class="keywordtype">float</font>) <a class="code" href="classNL3D_1_1CDeform2d.html#q2">_XGranularity</a>, (<font class="keywordtype">float</font>) <a class="code" href="classNL3D_1_1CDeform2d.html#q3">_YGranularity</a>, dest);
00094
00095 uint realWidth = <a class="code" href="namespaceNLMISC.html#a223">NLMISC::raiseToNextPowerOf2</a>(<a class="code" href="classNL3D_1_1CDeform2d.html#q0">_Width</a>);
00096 uint realHeight= <a class="code" href="namespaceNLMISC.html#a223">NLMISC::raiseToNextPowerOf2</a>(<a class="code" href="classNL3D_1_1CDeform2d.html#q1">_Height</a>);
00097
00098
00099 <font class="comment">// draw the poly contour</font>
00100 <font class="comment">/*for (uint k = 0; k < dest.size(); ++k)</font>
00101 <font class="comment"> {</font>
00102 <font class="comment"> CDRU::drawLine(dest[k].x, dest[k].y, dest[(k + 1) % dest.size()].x, dest[(k + 1) % dest.size()].y, *drv, CRGBA::Red);</font>
00103 <font class="comment"> }*/</font>
00104
00105
00106
00107
00108 <font class="keyword">static</font> CMaterial mat;
00109 mat.setDoubleSided(<font class="keyword">true</font>);
00110 mat.setLighting(<font class="keyword">false</font>);
00111 mat.setZFunc(CMaterial::always);
00112 <font class="comment">/* mat.setColor(CRGBA::Red);</font>
00113 <font class="comment"> mat.texEnvOpRGB(0, CMaterial::Add); */</font>
00114
00115 <font class="keyword">static</font> CVertexBuffer vb;
00116 vb.setVertexFormat(CVertexBuffer::PositionFlag | CVertexBuffer::TexCoord0Flag);
00117
00118
00119
00120 drv->setFrustum(0, (<font class="keywordtype">float</font>) <a class="code" href="classNL3D_1_1CDeform2d.html#q0">_Width</a>, 0, (<font class="keywordtype">float</font>) <a class="code" href="classNL3D_1_1CDeform2d.html#q1">_Height</a>, -1, 1, <font class="keyword">false</font>);
00121 drv->setupViewMatrix(CMatrix::Identity);
00122 drv->setupModelMatrix(CMatrix::Identity);
00123
00124
00125 <font class="keyword">const</font> <font class="keywordtype">float</font> iDu = 1.f / <a class="code" href="classNL3D_1_1CDeform2d.html#q0">_Width</a>;
00126 <font class="keyword">const</font> <font class="keywordtype">float</font> iDv = 1.f / <a class="code" href="classNL3D_1_1CDeform2d.html#q1">_Height</a>;
00127 <font class="keyword">const</font> <font class="keywordtype">float</font> widthRatio = <a class="code" href="classNL3D_1_1CDeform2d.html#q0">_Width</a> / (float) realWidth;
00128 <font class="keyword">const</font> <font class="keywordtype">float</font> heightRatio = <a class="code" href="classNL3D_1_1CDeform2d.html#q1">_Height</a> / (float) realHeight;
00129
00130
00131 <font class="keywordtype">float</font> u, u2, <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>;
00132 <font class="keywordtype">float</font> du, dv;
00133
00134 TPoint2DVect::const_iterator it;
00135
00136 <font class="comment">// get back datas from frame buffer</font>
00137 <font class="keywordflow">for</font> (it = dest.begin(); it != dest.end(); ++it)
00138 {
00139 drv->copyFrameBufferToTexture(<a class="code" href="classNL3D_1_1CDeform2d.html#q6">_Tex</a>, 0, (uint32) it->x,(uint32) it->y, (uint32) it->x, (uint32) it->y, <a class="code" href="classNL3D_1_1CDeform2d.html#q2">_XGranularity</a>, <a class="code" href="classNL3D_1_1CDeform2d.html#q3">_YGranularity</a>);
00140 }
00141
00142
00146 vb.setNumVertices(dest.size() << 2);
00147 mat.setTexture(0, <a class="code" href="classNL3D_1_1CDeform2d.html#q6">_Tex</a>);
00148 uint k = 0; <font class="comment">// current index in the vertex buffer</font>
00149 <font class="keywordflow">for</font> (it = dest.begin(); it != dest.end(); ++it, k += 4)
00150 {
00151
00152 <font class="comment">// \todo optimize this by a direct access to the vertex buffer (if needed)</font>
00153 <font class="comment">// blit data to frame buffer and apply deformations</font>
00154
00155 vb.setVertexCoord(k, <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>(it->x, 0, it->y));
00156 vb.setVertexCoord(k + 1, <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>(it->x + <a class="code" href="classNL3D_1_1CDeform2d.html#q2">_XGranularity</a>, 0, it->y));
00157 vb.setVertexCoord(k + 2, <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>(it->x + _XGranularity, 0, it-><a class="code" href="classNLMISC_1_1CVector.html#m1">y</a> + <a class="code" href="classNL3D_1_1CDeform2d.html#q3">_YGranularity</a>));
00158 vb.setVertexCoord(k + 3, <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>(it->x , 0, it->y + <a class="code" href="classNL3D_1_1CDeform2d.html#q3">_YGranularity</a>));
00159
00160 <font class="comment">// perturbation of the uv coordinates</font>
00161
00162 u = it->x * iDu;
00163 <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a> = it->y * iDv;
00164 uvp->perturbUV(u, <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>, du, dv);
00165 vb.setTexCoord(k, 0, (u + du) * widthRatio, (<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a> + dv) * heightRatio );
00166
00167 u2 = (it->x + _XGranularity) * iDu;
00168 uvp->perturbUV(u2, <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>, du, dv);
00169 vb.setTexCoord(k + 1, 0, (u2 + du) * widthRatio, (<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a> + dv) * heightRatio );
00170
00171 <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a> = (it->y + <a class="code" href="classNL3D_1_1CDeform2d.html#q3">_YGranularity</a>) * iDv;
00172 uvp->perturbUV(u2, <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>, du, dv);
00173 vb.setTexCoord(k + 2, 0, (u2 + du) * widthRatio, (<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a> + dv) * heightRatio );
00174
00175 uvp->perturbUV(u, <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>, du, dv);
00176 vb.setTexCoord(k + 3, 0, (u + du) * widthRatio, (<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a> + dv) * heightRatio );
00177 }
00178
00179 drv->activeVertexBuffer(vb);
00180 drv->renderQuads(mat, 0, dest.size());
00181 }
00182
00183 } <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>
|
