1 // newmat.cxx -- class to handle material properties
3 // Written by Curtis Olson, started May 1998.
5 // Copyright (C) 1998 - 2000 Curtis L. Olson - curt@flightgear.org
7 // This program is free software; you can redistribute it and/or
8 // modify it under the terms of the GNU General Public License as
9 // published by the Free Software Foundation; either version 2 of the
10 // License, or (at your option) any later version.
12 // This program is distributed in the hope that it will be useful, but
13 // WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 // General Public License for more details.
17 // You should have received a copy of the GNU General Public License
18 // along with this program; if not, write to the Free Software
19 // Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
28 #include <simgear/compiler.h>
30 #ifdef FG_MATH_EXCEPTION_CLASH
34 #include <simgear/debug/logstream.hxx>
35 #include <simgear/misc/fgpath.hxx>
36 #include <simgear/misc/fgstream.hxx>
42 FGNewMat::FGNewMat ( void ) {
48 FGNewMat::FGNewMat ( const string &name )
50 FGNewMat( name, name );
55 FGNewMat::FGNewMat ( const string &mat_name, const string &tex_name )
57 material_name = mat_name;
58 texture_name = tex_name;
62 ambient[0] = ambient[1] = ambient[2] = ambient[3] = 1.0;
63 diffuse[0] = diffuse[1] = diffuse[2] = diffuse[3] = 1.0;
64 specular[0] = specular[1] = specular[2] = specular[3] = 1.0;
65 emission[0] = emission[1] = emission[2] = emission[3] = 1.0;
69 void FGNewMat::build_ssg_state( const string& path,
70 GLenum shade_model, bool texture_default )
72 FGPath tex_file( path );
73 tex_file.append( texture_name );
75 state = new ssgStateSelector(2);
76 textured = new ssgSimpleState();
77 nontextured = new ssgSimpleState();
79 // Set up the textured state
80 textured->setShadeModel( shade_model );
81 textured->enable ( GL_CULL_FACE ) ;
82 textured->enable( GL_TEXTURE_2D );
83 textured->disable( GL_BLEND );
84 textured->disable( GL_ALPHA_TEST );
85 textured->setTexture( (char *)tex_file.c_str(), wrapu, wrapv );
86 cout << "wrap u = " << wrapu << " wrapv = " << wrapv << endl;
87 textured->enable( GL_COLOR_MATERIAL );
88 textured->setColourMaterial( GL_AMBIENT_AND_DIFFUSE );
89 textured->setMaterial( GL_EMISSION, 0, 0, 0, 1 );
90 textured->setMaterial( GL_SPECULAR, 0, 0, 0, 1 );
92 // Set up the coloured state
93 nontextured->enable( GL_LIGHTING );
94 nontextured->setShadeModel( shade_model );
95 nontextured->enable ( GL_CULL_FACE ) ;
96 nontextured->disable( GL_TEXTURE_2D );
97 nontextured->disable( GL_BLEND );
98 nontextured->disable( GL_ALPHA_TEST );
99 nontextured->disable( GL_COLOR_MATERIAL );
101 /* cout << "ambient = " << ambient[0] << "," << ambient[1]
102 << "," << ambient[2] << endl; */
103 nontextured->setMaterial ( GL_AMBIENT,
104 ambient[0], ambient[1],
105 ambient[2], ambient[3] ) ;
106 nontextured->setMaterial ( GL_DIFFUSE,
107 diffuse[0], diffuse[1],
108 diffuse[2], diffuse[3] ) ;
109 nontextured->setMaterial ( GL_SPECULAR,
110 specular[0], specular[1],
111 specular[2], specular[3] ) ;
112 nontextured->setMaterial ( GL_EMISSION,
113 emission[0], emission[1],
114 emission[2], emission[3] ) ;
116 state->setStep( 0, textured ); // textured
117 state->setStep( 1, nontextured ); // untextured
119 // Choose the appropriate starting state.
120 if ( texture_default ) {
121 state->selectStep(0);
123 state->selectStep(1);
128 void FGNewMat::set_ssg_state( ssgSimpleState *s ) {
129 state = new ssgStateSelector(2);
131 nontextured = new ssgSimpleState();
133 // Set up the coloured state
134 nontextured->enable( GL_LIGHTING );
135 nontextured->setShadeModel( GL_FLAT );
136 nontextured->enable ( GL_CULL_FACE ) ;
137 nontextured->disable( GL_TEXTURE_2D );
138 nontextured->disable( GL_BLEND );
139 nontextured->disable( GL_ALPHA_TEST );
140 nontextured->disable( GL_COLOR_MATERIAL );
142 /* cout << "ambient = " << ambient[0] << "," << ambient[1]
143 << "," << ambient[2] << endl; */
144 nontextured->setMaterial ( GL_AMBIENT,
145 ambient[0], ambient[1],
146 ambient[2], ambient[3] ) ;
147 nontextured->setMaterial ( GL_DIFFUSE,
148 diffuse[0], diffuse[1],
149 diffuse[2], diffuse[3] ) ;
150 nontextured->setMaterial ( GL_SPECULAR,
151 specular[0], specular[1],
152 specular[2], specular[3] ) ;
153 nontextured->setMaterial ( GL_EMISSION,
154 emission[0], emission[1],
155 emission[2], emission[3] ) ;
157 state->setStep( 0, textured ); // textured
158 state->setStep( 1, nontextured ); // untextured
160 // Choose the appropriate starting state.
161 state->selectStep(0);
165 void FGNewMat::dump_info () {
166 FG_LOG( FG_TERRAIN, FG_INFO, "{" << endl << " texture = "
168 FG_LOG( FG_TERRAIN, FG_INFO, " xsize = " << xsize );
169 FG_LOG( FG_TERRAIN, FG_INFO, " ysize = " << ysize );
170 FG_LOG( FG_TERRAIN, FG_INFO, " ambient = " << ambient[0] << " "
171 << ambient[1] <<" "<< ambient[2] <<" "<< ambient[3] );
172 FG_LOG( FG_TERRAIN, FG_INFO, " diffuse = " << diffuse[0] << " "
173 << diffuse[1] << " " << diffuse[2] << " " << diffuse[3] );
174 FG_LOG( FG_TERRAIN, FG_INFO, " specular = " << specular[0] << " "
175 << specular[1] << " " << specular[2] << " " << specular[3]);
176 FG_LOG( FG_TERRAIN, FG_INFO, " emission = " << emission[0] << " "
177 << emission[1] << " " << emission[2] << " " << emission[3]);
178 FG_LOG( FG_TERRAIN, FG_INFO, " alpha = " << alpha << endl <<"}" );
184 FGNewMat::~FGNewMat ( void ) {
189 operator >> ( istream& in, FGNewMat& m )
195 if ( token == "texture" ) {
196 in >> token >> m.texture_name;
197 } else if ( token == "xsize" ) {
198 in >> token >> m.xsize;
199 } else if ( token == "ysize" ) {
200 in >> token >> m.ysize;
201 } else if ( token == "wrapu" ) {
202 in >> token >> m.wrapu;
203 } else if ( token == "wrapv" ) {
204 in >> token >> m.wrapv;
205 } else if ( token == "ambient" ) {
206 in >> token >> m.ambient[0] >> m.ambient[1]
207 >> m.ambient[2] >> m.ambient[3];
208 } else if ( token == "diffuse" ) {
209 in >> token >> m.diffuse[0] >> m.diffuse[1]
210 >> m.diffuse[2] >> m.diffuse[3];
211 } else if ( token == "specular" ) {
212 in >> token >> m.specular[0] >> m.specular[1]
213 >> m.specular[2] >> m.specular[3];
214 } else if ( token == "emission" ) {
215 in >> token >> m.emission[0] >> m.emission[1]
216 >> m.emission[2] >> m.emission[3];
217 } else if ( token == "alpha" ) {
218 in >> token >> token;
219 if ( token == "yes" ) {
221 } else if ( token == "no" ) {
224 FG_LOG( FG_TERRAIN, FG_INFO, "Bad alpha value " << token );
226 } else if ( token[0] == '}' ) {