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 ) {
45 light_coverage = -1.0;
50 FGNewMat::FGNewMat ( const string &name )
52 FGNewMat( name, name );
57 FGNewMat::FGNewMat ( const string &mat_name, const string &tex_name )
59 material_name = mat_name;
60 texture_name = tex_name;
65 ambient[0] = ambient[1] = ambient[2] = ambient[3] = 1.0;
66 diffuse[0] = diffuse[1] = diffuse[2] = diffuse[3] = 1.0;
67 specular[0] = specular[1] = specular[2] = specular[3] = 1.0;
68 emission[0] = emission[1] = emission[2] = emission[3] = 1.0;
69 light_coverage = -1.0;
73 void FGNewMat::build_ssg_state( const string& path,
74 GLenum shade_model, bool texture_default )
76 FGPath tex_file( path );
77 tex_file.append( texture_name );
79 state = new ssgStateSelector(2);
82 textured = new ssgSimpleState();
85 nontextured = new ssgSimpleState();
88 // Set up the textured state
89 textured->setShadeModel( shade_model );
90 textured->enable( GL_LIGHTING );
91 textured->enable ( GL_CULL_FACE ) ;
92 textured->enable( GL_TEXTURE_2D );
93 textured->disable( GL_BLEND );
94 textured->disable( GL_ALPHA_TEST );
95 textured->setTexture( (char *)tex_file.c_str(), wrapu, wrapv );
96 // cout << "wrap u = " << wrapu << " wrapv = " << wrapv << endl;
97 textured->enable( GL_COLOR_MATERIAL );
98 textured->setColourMaterial( GL_AMBIENT_AND_DIFFUSE );
99 textured->setMaterial( GL_EMISSION, 0, 0, 0, 1 );
100 textured->setMaterial( GL_SPECULAR, 0, 0, 0, 1 );
102 // Set up the coloured state
103 nontextured->enable( GL_LIGHTING );
104 nontextured->setShadeModel( shade_model );
105 nontextured->enable ( GL_CULL_FACE ) ;
106 nontextured->disable( GL_TEXTURE_2D );
107 nontextured->disable( GL_BLEND );
108 nontextured->disable( GL_ALPHA_TEST );
109 nontextured->disable( GL_COLOR_MATERIAL );
111 /* cout << "ambient = " << ambient[0] << "," << ambient[1]
112 << "," << ambient[2] << endl; */
113 nontextured->setMaterial ( GL_AMBIENT,
114 ambient[0], ambient[1],
115 ambient[2], ambient[3] ) ;
116 nontextured->setMaterial ( GL_DIFFUSE,
117 diffuse[0], diffuse[1],
118 diffuse[2], diffuse[3] ) ;
119 nontextured->setMaterial ( GL_SPECULAR,
120 specular[0], specular[1],
121 specular[2], specular[3] ) ;
122 nontextured->setMaterial ( GL_EMISSION,
123 emission[0], emission[1],
124 emission[2], emission[3] ) ;
126 state->setStep( 0, textured ); // textured
127 state->setStep( 1, nontextured ); // untextured
129 // Choose the appropriate starting state.
130 if ( texture_default ) {
131 state->selectStep(0);
133 state->selectStep(1);
138 void FGNewMat::set_ssg_state( ssgSimpleState *s ) {
139 state = new ssgStateSelector(2);
144 nontextured = new ssgSimpleState();
147 // Set up the coloured state
148 nontextured->enable( GL_LIGHTING );
149 nontextured->setShadeModel( GL_FLAT );
150 nontextured->enable ( GL_CULL_FACE ) ;
151 nontextured->disable( GL_TEXTURE_2D );
152 nontextured->disable( GL_BLEND );
153 nontextured->disable( GL_ALPHA_TEST );
154 nontextured->disable( GL_COLOR_MATERIAL );
156 /* cout << "ambient = " << ambient[0] << "," << ambient[1]
157 << "," << ambient[2] << endl; */
158 nontextured->setMaterial ( GL_AMBIENT,
159 ambient[0], ambient[1],
160 ambient[2], ambient[3] ) ;
161 nontextured->setMaterial ( GL_DIFFUSE,
162 diffuse[0], diffuse[1],
163 diffuse[2], diffuse[3] ) ;
164 nontextured->setMaterial ( GL_SPECULAR,
165 specular[0], specular[1],
166 specular[2], specular[3] ) ;
167 nontextured->setMaterial ( GL_EMISSION,
168 emission[0], emission[1],
169 emission[2], emission[3] ) ;
171 state->setStep( 0, textured ); // textured
172 state->setStep( 1, nontextured ); // untextured
174 // Choose the appropriate starting state.
175 state->selectStep(0);
179 void FGNewMat::dump_info () {
180 FG_LOG( FG_TERRAIN, FG_INFO, "{" << endl << " texture = "
182 FG_LOG( FG_TERRAIN, FG_INFO, " xsize = " << xsize );
183 FG_LOG( FG_TERRAIN, FG_INFO, " ysize = " << ysize );
184 FG_LOG( FG_TERRAIN, FG_INFO, " ambient = " << ambient[0] << " "
185 << ambient[1] <<" "<< ambient[2] <<" "<< ambient[3] );
186 FG_LOG( FG_TERRAIN, FG_INFO, " diffuse = " << diffuse[0] << " "
187 << diffuse[1] << " " << diffuse[2] << " " << diffuse[3] );
188 FG_LOG( FG_TERRAIN, FG_INFO, " specular = " << specular[0] << " "
189 << specular[1] << " " << specular[2] << " " << specular[3]);
190 FG_LOG( FG_TERRAIN, FG_INFO, " emission = " << emission[0] << " "
191 << emission[1] << " " << emission[2] << " " << emission[3]);
192 FG_LOG( FG_TERRAIN, FG_INFO, " alpha = " << alpha << endl <<"}" );
198 FGNewMat::~FGNewMat ( void ) {
203 operator >> ( istream& in, FGNewMat& m )
209 if ( token == "texture" ) {
210 in >> token >> m.texture_name;
211 } else if ( token == "xsize" ) {
212 in >> token >> m.xsize;
213 } else if ( token == "ysize" ) {
214 in >> token >> m.ysize;
215 } else if ( token == "wrapu" ) {
216 in >> token >> m.wrapu;
217 } else if ( token == "wrapv" ) {
218 in >> token >> m.wrapv;
219 } else if ( token == "mipmap" ) {
220 in >> token >> m.mipmap;
221 } else if ( token == "ambient" ) {
222 in >> token >> m.ambient[0] >> m.ambient[1]
223 >> m.ambient[2] >> m.ambient[3];
224 } else if ( token == "diffuse" ) {
225 in >> token >> m.diffuse[0] >> m.diffuse[1]
226 >> m.diffuse[2] >> m.diffuse[3];
227 } else if ( token == "specular" ) {
228 in >> token >> m.specular[0] >> m.specular[1]
229 >> m.specular[2] >> m.specular[3];
230 } else if ( token == "emission" ) {
231 in >> token >> m.emission[0] >> m.emission[1]
232 >> m.emission[2] >> m.emission[3];
233 } else if ( token == "alpha" ) {
234 in >> token >> token;
235 if ( token == "yes" ) {
237 } else if ( token == "no" ) {
240 FG_LOG( FG_TERRAIN, FG_INFO, "Bad alpha value " << token );
242 } else if ( token == "light-coverage" ) {
243 in >> token >> m.light_coverage;
244 } else if ( token[0] == '}' ) {