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 ) {
49 FGNewMat::FGNewMat ( const string &name )
51 FGNewMat( name, name );
56 FGNewMat::FGNewMat ( const string &mat_name, const string &tex_name )
58 material_name = mat_name;
59 texture_name = tex_name;
64 ambient[0] = ambient[1] = ambient[2] = ambient[3] = 1.0;
65 diffuse[0] = diffuse[1] = diffuse[2] = diffuse[3] = 1.0;
66 specular[0] = specular[1] = specular[2] = specular[3] = 1.0;
67 emission[0] = emission[1] = emission[2] = emission[3] = 1.0;
71 void FGNewMat::build_ssg_state( const string& path,
72 GLenum shade_model, bool texture_default )
74 FGPath tex_file( path );
75 tex_file.append( texture_name );
77 state = new ssgStateSelector(2);
80 textured = new ssgSimpleState();
83 nontextured = new ssgSimpleState();
86 // Set up the textured state
87 textured->setShadeModel( shade_model );
88 textured->enable( GL_LIGHTING );
89 textured->enable ( GL_CULL_FACE ) ;
90 textured->enable( GL_TEXTURE_2D );
91 textured->disable( GL_BLEND );
92 textured->disable( GL_ALPHA_TEST );
93 textured->setTexture( (char *)tex_file.c_str(), wrapu, wrapv );
94 // cout << "wrap u = " << wrapu << " wrapv = " << wrapv << endl;
95 textured->enable( GL_COLOR_MATERIAL );
96 textured->setColourMaterial( GL_AMBIENT_AND_DIFFUSE );
97 textured->setMaterial( GL_EMISSION, 0, 0, 0, 1 );
98 textured->setMaterial( GL_SPECULAR, 0, 0, 0, 1 );
100 // Set up the coloured state
101 nontextured->enable( GL_LIGHTING );
102 nontextured->setShadeModel( shade_model );
103 nontextured->enable ( GL_CULL_FACE ) ;
104 nontextured->disable( GL_TEXTURE_2D );
105 nontextured->disable( GL_BLEND );
106 nontextured->disable( GL_ALPHA_TEST );
107 nontextured->disable( GL_COLOR_MATERIAL );
109 /* cout << "ambient = " << ambient[0] << "," << ambient[1]
110 << "," << ambient[2] << endl; */
111 nontextured->setMaterial ( GL_AMBIENT,
112 ambient[0], ambient[1],
113 ambient[2], ambient[3] ) ;
114 nontextured->setMaterial ( GL_DIFFUSE,
115 diffuse[0], diffuse[1],
116 diffuse[2], diffuse[3] ) ;
117 nontextured->setMaterial ( GL_SPECULAR,
118 specular[0], specular[1],
119 specular[2], specular[3] ) ;
120 nontextured->setMaterial ( GL_EMISSION,
121 emission[0], emission[1],
122 emission[2], emission[3] ) ;
124 state->setStep( 0, textured ); // textured
125 state->setStep( 1, nontextured ); // untextured
127 // Choose the appropriate starting state.
128 if ( texture_default ) {
129 state->selectStep(0);
131 state->selectStep(1);
136 void FGNewMat::set_ssg_state( ssgSimpleState *s ) {
137 state = new ssgStateSelector(2);
142 nontextured = new ssgSimpleState();
145 // Set up the coloured state
146 nontextured->enable( GL_LIGHTING );
147 nontextured->setShadeModel( GL_FLAT );
148 nontextured->enable ( GL_CULL_FACE ) ;
149 nontextured->disable( GL_TEXTURE_2D );
150 nontextured->disable( GL_BLEND );
151 nontextured->disable( GL_ALPHA_TEST );
152 nontextured->disable( GL_COLOR_MATERIAL );
154 /* cout << "ambient = " << ambient[0] << "," << ambient[1]
155 << "," << ambient[2] << endl; */
156 nontextured->setMaterial ( GL_AMBIENT,
157 ambient[0], ambient[1],
158 ambient[2], ambient[3] ) ;
159 nontextured->setMaterial ( GL_DIFFUSE,
160 diffuse[0], diffuse[1],
161 diffuse[2], diffuse[3] ) ;
162 nontextured->setMaterial ( GL_SPECULAR,
163 specular[0], specular[1],
164 specular[2], specular[3] ) ;
165 nontextured->setMaterial ( GL_EMISSION,
166 emission[0], emission[1],
167 emission[2], emission[3] ) ;
169 state->setStep( 0, textured ); // textured
170 state->setStep( 1, nontextured ); // untextured
172 // Choose the appropriate starting state.
173 state->selectStep(0);
177 void FGNewMat::dump_info () {
178 FG_LOG( FG_TERRAIN, FG_INFO, "{" << endl << " texture = "
180 FG_LOG( FG_TERRAIN, FG_INFO, " xsize = " << xsize );
181 FG_LOG( FG_TERRAIN, FG_INFO, " ysize = " << ysize );
182 FG_LOG( FG_TERRAIN, FG_INFO, " ambient = " << ambient[0] << " "
183 << ambient[1] <<" "<< ambient[2] <<" "<< ambient[3] );
184 FG_LOG( FG_TERRAIN, FG_INFO, " diffuse = " << diffuse[0] << " "
185 << diffuse[1] << " " << diffuse[2] << " " << diffuse[3] );
186 FG_LOG( FG_TERRAIN, FG_INFO, " specular = " << specular[0] << " "
187 << specular[1] << " " << specular[2] << " " << specular[3]);
188 FG_LOG( FG_TERRAIN, FG_INFO, " emission = " << emission[0] << " "
189 << emission[1] << " " << emission[2] << " " << emission[3]);
190 FG_LOG( FG_TERRAIN, FG_INFO, " alpha = " << alpha << endl <<"}" );
196 FGNewMat::~FGNewMat ( void ) {
201 operator >> ( istream& in, FGNewMat& m )
207 if ( token == "texture" ) {
208 in >> token >> m.texture_name;
209 } else if ( token == "xsize" ) {
210 in >> token >> m.xsize;
211 } else if ( token == "ysize" ) {
212 in >> token >> m.ysize;
213 } else if ( token == "wrapu" ) {
214 in >> token >> m.wrapu;
215 } else if ( token == "wrapv" ) {
216 in >> token >> m.wrapv;
217 } else if ( token == "mipmap" ) {
218 in >> token >> m.mipmap;
219 } else if ( token == "ambient" ) {
220 in >> token >> m.ambient[0] >> m.ambient[1]
221 >> m.ambient[2] >> m.ambient[3];
222 } else if ( token == "diffuse" ) {
223 in >> token >> m.diffuse[0] >> m.diffuse[1]
224 >> m.diffuse[2] >> m.diffuse[3];
225 } else if ( token == "specular" ) {
226 in >> token >> m.specular[0] >> m.specular[1]
227 >> m.specular[2] >> m.specular[3];
228 } else if ( token == "emission" ) {
229 in >> token >> m.emission[0] >> m.emission[1]
230 >> m.emission[2] >> m.emission[3];
231 } else if ( token == "alpha" ) {
232 in >> token >> token;
233 if ( token == "yes" ) {
235 } else if ( token == "no" ) {
238 FG_LOG( FG_TERRAIN, FG_INFO, "Bad alpha value " << token );
240 } else if ( token[0] == '}' ) {