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 ) {
47 FGNewMat::FGNewMat ( const string &name )
49 FGNewMat( name, name );
54 FGNewMat::FGNewMat ( const string &mat_name, const string &tex_name )
56 material_name = mat_name;
57 texture_name = tex_name;
60 ambient[0] = ambient[1] = ambient[2] = ambient[3] = 1.0;
61 diffuse[0] = diffuse[1] = diffuse[2] = diffuse[3] = 1.0;
62 specular[0] = specular[1] = specular[2] = specular[3] = 1.0;
63 emission[0] = emission[1] = emission[2] = emission[3] = 1.0;
67 void FGNewMat::build_ssg_state( const string& path,
68 GLenum shade_model, bool texture_default )
70 FGPath tex_file( path );
71 tex_file.append( texture_name );
73 state = new ssgStateSelector(2);
74 textured = new ssgSimpleState();
75 nontextured = new ssgSimpleState();
77 // Set up the textured state
78 textured->setShadeModel( shade_model );
79 textured->enable ( GL_CULL_FACE ) ;
80 textured->enable( GL_TEXTURE_2D );
81 textured->disable( GL_BLEND );
82 textured->disable( GL_ALPHA_TEST );
83 textured->setTexture( (char *)tex_file.c_str() );
84 textured->enable( GL_COLOR_MATERIAL );
85 textured->setColourMaterial( GL_AMBIENT_AND_DIFFUSE );
86 textured->setMaterial( GL_EMISSION, 0, 0, 0, 1 );
87 textured->setMaterial( GL_SPECULAR, 0, 0, 0, 1 );
89 // Set up the coloured state
90 nontextured->enable( GL_LIGHTING );
91 nontextured->setShadeModel( shade_model );
92 nontextured->enable ( GL_CULL_FACE ) ;
93 nontextured->disable( GL_TEXTURE_2D );
94 nontextured->disable( GL_BLEND );
95 nontextured->disable( GL_ALPHA_TEST );
96 nontextured->disable( GL_COLOR_MATERIAL );
98 /* cout << "ambient = " << ambient[0] << "," << ambient[1]
99 << "," << ambient[2] << endl; */
100 nontextured->setMaterial ( GL_AMBIENT,
101 ambient[0], ambient[1],
102 ambient[2], ambient[3] ) ;
103 nontextured->setMaterial ( GL_DIFFUSE,
104 diffuse[0], diffuse[1],
105 diffuse[2], diffuse[3] ) ;
106 nontextured->setMaterial ( GL_SPECULAR,
107 specular[0], specular[1],
108 specular[2], specular[3] ) ;
109 nontextured->setMaterial ( GL_EMISSION,
110 emission[0], emission[1],
111 emission[2], emission[3] ) ;
113 state->setStep( 0, textured ); // textured
114 state->setStep( 1, nontextured ); // untextured
116 // Choose the appropriate starting state.
117 if ( texture_default ) {
118 state->selectStep(0);
120 state->selectStep(1);
125 void FGNewMat::set_ssg_state( ssgSimpleState *s ) {
126 state = new ssgStateSelector(2);
128 nontextured = new ssgSimpleState();
130 // Set up the coloured state
131 nontextured->enable( GL_LIGHTING );
132 nontextured->setShadeModel( GL_FLAT );
133 nontextured->enable ( GL_CULL_FACE ) ;
134 nontextured->disable( GL_TEXTURE_2D );
135 nontextured->disable( GL_BLEND );
136 nontextured->disable( GL_ALPHA_TEST );
137 nontextured->disable( GL_COLOR_MATERIAL );
139 /* cout << "ambient = " << ambient[0] << "," << ambient[1]
140 << "," << ambient[2] << endl; */
141 nontextured->setMaterial ( GL_AMBIENT,
142 ambient[0], ambient[1],
143 ambient[2], ambient[3] ) ;
144 nontextured->setMaterial ( GL_DIFFUSE,
145 diffuse[0], diffuse[1],
146 diffuse[2], diffuse[3] ) ;
147 nontextured->setMaterial ( GL_SPECULAR,
148 specular[0], specular[1],
149 specular[2], specular[3] ) ;
150 nontextured->setMaterial ( GL_EMISSION,
151 emission[0], emission[1],
152 emission[2], emission[3] ) ;
154 state->setStep( 0, textured ); // textured
155 state->setStep( 1, nontextured ); // untextured
157 // Choose the appropriate starting state.
158 state->selectStep(0);
162 void FGNewMat::dump_info () {
163 FG_LOG( FG_TERRAIN, FG_INFO, "{" << endl << " texture = "
165 FG_LOG( FG_TERRAIN, FG_INFO, " xsize = " << xsize );
166 FG_LOG( FG_TERRAIN, FG_INFO, " ysize = " << ysize );
167 FG_LOG( FG_TERRAIN, FG_INFO, " ambient = " << ambient[0] << " "
168 << ambient[1] <<" "<< ambient[2] <<" "<< ambient[3] );
169 FG_LOG( FG_TERRAIN, FG_INFO, " diffuse = " << diffuse[0] << " "
170 << diffuse[1] << " " << diffuse[2] << " " << diffuse[3] );
171 FG_LOG( FG_TERRAIN, FG_INFO, " specular = " << specular[0] << " "
172 << specular[1] << " " << specular[2] << " " << specular[3]);
173 FG_LOG( FG_TERRAIN, FG_INFO, " emission = " << emission[0] << " "
174 << emission[1] << " " << emission[2] << " " << emission[3]);
175 FG_LOG( FG_TERRAIN, FG_INFO, " alpha = " << alpha << endl <<"}" );
181 FGNewMat::~FGNewMat ( void ) {
186 operator >> ( istream& in, FGNewMat& m )
192 if ( token == "texture" ) {
193 in >> token >> m.texture_name;
194 } else if ( token == "xsize" ) {
195 in >> token >> m.xsize;
196 } else if ( token == "ysize" ) {
197 in >> token >> m.ysize;
198 } else if ( token == "ambient" ) {
199 in >> token >> m.ambient[0] >> m.ambient[1]
200 >> m.ambient[2] >> m.ambient[3];
201 } else if ( token == "diffuse" ) {
202 in >> token >> m.diffuse[0] >> m.diffuse[1]
203 >> m.diffuse[2] >> m.diffuse[3];
204 } else if ( token == "specular" ) {
205 in >> token >> m.specular[0] >> m.specular[1]
206 >> m.specular[2] >> m.specular[3];
207 } else if ( token == "emission" ) {
208 in >> token >> m.emission[0] >> m.emission[1]
209 >> m.emission[2] >> m.emission[3];
210 } else if ( token == "alpha" ) {
211 in >> token >> token;
212 if ( token == "yes" ) {
214 } else if ( token == "no" ) {
217 FG_LOG( FG_TERRAIN, FG_INFO, "Bad alpha value " << token );
219 } else if ( token[0] == '}' ) {