Commit | Line | Data |
---|---|---|
7fd59977 | 1 | /*********************************************************************** |
2 | ||
3 | FONCTION : | |
4 | ---------- | |
5 | File OpenGl_telem_util : | |
6 | ||
7 | ||
8 | REMARQUES: | |
9 | ---------- | |
10 | ||
11 | ||
12 | HISTORIQUE DES MODIFICATIONS : | |
13 | -------------------------------- | |
14 | xx-xx-xx : xxx ; Creation. | |
15 | 07-02-96 : FMN ; - Ajout trace | |
16 | - Suppression code inutile | |
17 | 08-03-96 : FMN ; - Ajout include manquant | |
18 | 01-04-96 : CAL ; Integration MINSK portage WNT | |
19 | 15-04-96 : CAL ; Integration travail PIXMAP de Jim ROTH | |
20 | 22-04-96 : FMN ; Ajout TelReadImage TelDrawImage | |
21 | 10-05-96 : CAL ; Ajout d'un nouveau delta dans les copies | |
22 | de pixels (voir CALL_DEF_DELTA) | |
23 | 25-06-96 : FMN ; Suppression utilisation de glScissor. | |
24 | 02-07-96 : FMN ; Suppression WSWSHeight et WSWSWidth | |
25 | Suppression glViewport inutile. | |
26 | 18-07-96 : FMN ; Suppression TelFlush inutile. | |
27 | 08-07-96 : FMN ; Suppression de OPENGL_DEBUG inutile avec la nouvelle | |
28 | version de ogldebug. | |
29 | 24-10-96 : CAL ; Portage WNT | |
30 | 23-01-97 : CAL ; Suppression de TelClearViews dans TelCopyBuffers | |
31 | 30-01-97 : FMN ; Ajout commentaires + WNT. | |
32 | 12-02-97 : FMN ; Suppression TelEnquireFacilities() | |
33 | 22-04-97 : FMN ; Ajout affichage du cadre pour la copie de buffer | |
34 | 30-06-97 : FMN ; Suppression OpenGl_telem_light.h | |
35 | 18-07-97 : FMN ; Utilisation de la toolkit sur les lights | |
36 | 07-10-97 : FMN ; Simplification WNT + correction Transient | |
37 | 05-12-97 : FMN ; PRO11168: Suppression TglActiveWs pour project/unproject | |
38 | 23-12-97 : FMN ; Suppression TelSetFrontFaceAttri et TelSetBackFaceAttri | |
39 | 30-12-97 : FMN ; CTS18312: Correction back material | |
40 | 04-05-98 : CAL ; Contournement bug SGI octane bavure de pixels (PRO12899) | |
41 | 30-09-98 : CAL ; Optimisation pour eviter de charger inutilement | |
42 | les matrices de la vue. | |
43 | 19-10-98 : FMN ; Suppression de glPixelTransferi dans TelEnable() car cela | |
44 | rentre en conflit avec l'utilisation d'une image de fond. | |
45 | 02.14.100 : JR : Warnings on WNT truncations from double to float | |
46 | 08-03-01 : GG ; BUC60823 Avoid crash in the normal computation method | |
47 | when a face has confused or aligned points. | |
48 | ||
49 | ************************************************************************/ | |
50 | ||
51 | #define IMP190100 /*GG To avoid too many REDRAW in immediat mode, | |
52 | // Add TelMakeFrontAndBackBufCurrent() function | |
53 | */ | |
54 | #define QTOCC_PATCH | |
55 | ||
56 | /*----------------------------------------------------------------------*/ | |
57 | /* | |
58 | * Includes | |
59 | */ | |
60 | ||
61 | #include <string.h> | |
62 | #include <stdio.h> | |
63 | #include <stdlib.h> | |
64 | ||
65 | #ifndef WNT | |
66 | # include <X11/Xlib.h> | |
67 | #else | |
68 | # define STRICT | |
69 | # include <windows.h> | |
70 | #endif /* WNT */ | |
71 | ||
72 | ||
73 | #include <GL/gl.h> | |
74 | #include <GL/glu.h> | |
75 | #ifndef WNT | |
76 | #include <GL/glx.h> | |
77 | #endif /* WNT */ | |
78 | ||
7fd59977 | 79 | #include <OpenGl_tgl_all.hxx> |
7fd59977 | 80 | #include <OpenGl_telem_util.hxx> |
2166f0fa SK |
81 | #include <InterfaceGraphic_Graphic3d.hxx> |
82 | #include <InterfaceGraphic_Visual3d.hxx> | |
7fd59977 | 83 | |
7fd59977 | 84 | #define GPRECIS 0.000001 |
85 | Tint TelGetPolygonNormal(tel_point pnts, Tint* indexs, Tint npnt, Tfloat *norm ) { | |
86 | Tint status=0; | |
87 | ||
88 | norm[0] = norm[1] = norm[2] = 0.; | |
89 | if( npnt > 2 ) { | |
90 | Tfloat a[3], b[3], c[3]; | |
91 | Tint i,j,i0,ii=0,jj; | |
92 | ||
93 | i0 = 0; if( indexs ) i0 = indexs[0]; | |
94 | for( i=1 ; i<npnt ; i++ ) { | |
95 | ii = i; if( indexs ) ii = indexs[i]; | |
96 | vecsub( a, pnts[ii].xyz, pnts[i0].xyz ); | |
97 | if( vecmg2(a) > GPRECIS ) break; | |
98 | } | |
99 | if( i < npnt-1 ) { | |
100 | for( j=i+1 ; j<npnt ; j++ ) { | |
101 | jj = j; if( indexs ) jj = indexs[j]; | |
102 | vecsub( b, pnts[jj].xyz, pnts[i0].xyz ); | |
103 | vecsub( c, pnts[jj].xyz, pnts[ii].xyz ); | |
104 | if( (vecmg2(b) > GPRECIS) && (vecmg2(c) > GPRECIS) ) break; | |
105 | } | |
106 | if( j < npnt ) { | |
107 | Tfloat d; | |
108 | veccrs( norm, a, b ); | |
109 | d = vecnrmd( norm, d ); | |
110 | status = (d > 0.) ? 1 : 0; | |
111 | } | |
112 | } | |
113 | } | |
114 | #ifdef DEB | |
115 | if( !status ) | |
116 | printf(" *** OpenGl_TelGetPolygonNormal.has found confused or aligned points\n"); | |
117 | #endif | |
118 | ||
119 | return status; | |
120 | } | |
121 | ||
122 | Tint TelGetNormal(Tfloat *data1, Tfloat *data2, Tfloat *data3, Tfloat *norm ) { | |
123 | Tfloat a[3], b[3]; | |
124 | Tint status=0; | |
125 | ||
126 | norm[0] = norm[1] = norm[2] = 0.; | |
127 | vecsub( a, data2, data1 ); | |
128 | vecsub( b, data3, data2 ); | |
129 | if( (vecmg2(a) > GPRECIS) && (vecmg2(b) > GPRECIS) ) { | |
130 | Tfloat d; | |
131 | veccrs( norm, a, b ); | |
132 | d = vecnrmd( norm, d ); | |
133 | status = (d > 0.) ? 1 : 0; | |
134 | } | |
135 | #ifdef DEB | |
136 | if( !status ) | |
137 | printf(" *** OpenGl_TelGetNormal.has found confused or aligned points\n"); | |
138 | #endif | |
139 | ||
140 | return status; | |
141 | } | |
7fd59977 | 142 | |
2166f0fa | 143 | void TelMultiplymat3 (Tmatrix3 c, Tmatrix3 a, Tmatrix3 b) |
7fd59977 | 144 | { |
145 | Tint row, col, i; | |
146 | Tmatrix3 res; | |
147 | Tint dim = 4; | |
148 | ||
149 | /* on multiplie d'abord les 2 matrices dim x dim */ | |
150 | for (row = 0; row < dim; row++) { | |
151 | for (col = 0; col < dim; col++) { | |
152 | Tfloat sum = ( float )0.0; | |
153 | for (i = 0; i < dim; i++) | |
154 | sum += a[row][i] * b[i][col]; | |
155 | res[row][col] = sum; | |
156 | } | |
157 | } | |
158 | ||
159 | /* on copie ensuite le resultat */ | |
160 | matcpy (c, res); | |
161 | ||
162 | return; | |
163 | } |