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 SG_MATH_EXCEPTION_CLASH
34 #include <simgear/debug/logstream.hxx>
35 #include <simgear/misc/sg_path.hxx>
36 #include <simgear/misc/sgstream.hxx>
42 FGNewMat::FGNewMat ( void ) {
45 light_coverage = -1.0;
51 FGNewMat::FGNewMat ( const string &name )
53 FGNewMat( name, name );
58 FGNewMat::FGNewMat ( const string &mat_name, const string &tex_name )
60 material_name = mat_name;
61 texture_name = tex_name;
66 ambient[0] = ambient[1] = ambient[2] = ambient[3] = 1.0;
67 diffuse[0] = diffuse[1] = diffuse[2] = diffuse[3] = 1.0;
68 specular[0] = specular[1] = specular[2] = specular[3] = 1.0;
69 emission[0] = emission[1] = emission[2] = emission[3] = 1.0;
70 light_coverage = -1.0;
75 void FGNewMat::build_ssg_state( GLenum shade_model, bool texture_default,
78 state = new ssgStateSelector(2);
81 textured = new ssgSimpleState();
84 nontextured = new ssgSimpleState();
87 // Set up the textured state
88 textured->setShadeModel( shade_model );
89 textured->enable( GL_LIGHTING );
90 textured->enable ( GL_CULL_FACE ) ;
91 textured->enable( GL_TEXTURE_2D );
92 textured->disable( GL_BLEND );
93 textured->disable( GL_ALPHA_TEST );
94 if ( !defer_tex_load ) {
95 textured->setTexture( (char *)texture_name.c_str(), wrapu, wrapv );
96 texture_loaded = true;
98 texture_loaded = false;
100 // cout << "wrap u = " << wrapu << " wrapv = " << wrapv << endl;
101 textured->enable( GL_COLOR_MATERIAL );
102 textured->setColourMaterial( GL_AMBIENT_AND_DIFFUSE );
103 textured->setMaterial( GL_EMISSION, 0, 0, 0, 1 );
104 textured->setMaterial( GL_SPECULAR, 0, 0, 0, 1 );
106 // Set up the coloured state
107 nontextured->enable( GL_LIGHTING );
108 nontextured->setShadeModel( shade_model );
109 nontextured->enable ( GL_CULL_FACE ) ;
110 nontextured->disable( GL_TEXTURE_2D );
111 nontextured->disable( GL_BLEND );
112 nontextured->disable( GL_ALPHA_TEST );
113 nontextured->disable( GL_COLOR_MATERIAL );
115 /* cout << "ambient = " << ambient[0] << "," << ambient[1]
116 << "," << ambient[2] << endl; */
117 nontextured->setMaterial ( GL_AMBIENT,
118 ambient[0], ambient[1],
119 ambient[2], ambient[3] ) ;
120 nontextured->setMaterial ( GL_DIFFUSE,
121 diffuse[0], diffuse[1],
122 diffuse[2], diffuse[3] ) ;
123 nontextured->setMaterial ( GL_SPECULAR,
124 specular[0], specular[1],
125 specular[2], specular[3] ) ;
126 nontextured->setMaterial ( GL_EMISSION,
127 emission[0], emission[1],
128 emission[2], emission[3] ) ;
130 state->setStep( 0, textured ); // textured
131 state->setStep( 1, nontextured ); // untextured
133 // Choose the appropriate starting state.
134 if ( texture_default ) {
135 state->selectStep(0);
137 state->selectStep(1);
142 void FGNewMat::set_ssg_state( ssgSimpleState *s ) {
143 state = new ssgStateSelector(2);
148 nontextured = new ssgSimpleState();
151 // Set up the coloured state
152 nontextured->enable( GL_LIGHTING );
153 nontextured->setShadeModel( GL_FLAT );
154 nontextured->enable ( GL_CULL_FACE ) ;
155 nontextured->disable( GL_TEXTURE_2D );
156 nontextured->disable( GL_BLEND );
157 nontextured->disable( GL_ALPHA_TEST );
158 nontextured->disable( GL_COLOR_MATERIAL );
160 /* cout << "ambient = " << ambient[0] << "," << ambient[1]
161 << "," << ambient[2] << endl; */
162 nontextured->setMaterial ( GL_AMBIENT,
163 ambient[0], ambient[1],
164 ambient[2], ambient[3] ) ;
165 nontextured->setMaterial ( GL_DIFFUSE,
166 diffuse[0], diffuse[1],
167 diffuse[2], diffuse[3] ) ;
168 nontextured->setMaterial ( GL_SPECULAR,
169 specular[0], specular[1],
170 specular[2], specular[3] ) ;
171 nontextured->setMaterial ( GL_EMISSION,
172 emission[0], emission[1],
173 emission[2], emission[3] ) ;
175 state->setStep( 0, textured ); // textured
176 state->setStep( 1, nontextured ); // untextured
178 // Choose the appropriate starting state.
179 state->selectStep(0);
183 void FGNewMat::dump_info () {
184 SG_LOG( SG_TERRAIN, SG_INFO, "{" << endl << " texture = "
186 SG_LOG( SG_TERRAIN, SG_INFO, " xsize = " << xsize );
187 SG_LOG( SG_TERRAIN, SG_INFO, " ysize = " << ysize );
188 SG_LOG( SG_TERRAIN, SG_INFO, " ambient = " << ambient[0] << " "
189 << ambient[1] <<" "<< ambient[2] <<" "<< ambient[3] );
190 SG_LOG( SG_TERRAIN, SG_INFO, " diffuse = " << diffuse[0] << " "
191 << diffuse[1] << " " << diffuse[2] << " " << diffuse[3] );
192 SG_LOG( SG_TERRAIN, SG_INFO, " specular = " << specular[0] << " "
193 << specular[1] << " " << specular[2] << " " << specular[3]);
194 SG_LOG( SG_TERRAIN, SG_INFO, " emission = " << emission[0] << " "
195 << emission[1] << " " << emission[2] << " " << emission[3]);
196 SG_LOG( SG_TERRAIN, SG_INFO, " alpha = " << alpha << endl <<"}" );
202 FGNewMat::~FGNewMat ( void ) {
207 operator >> ( istream& in, FGNewMat& m )
213 if ( token == "texture" ) {
214 in >> token >> m.texture_name;
215 } else if ( token == "xsize" ) {
216 in >> token >> m.xsize;
217 } else if ( token == "ysize" ) {
218 in >> token >> m.ysize;
219 } else if ( token == "wrapu" ) {
220 in >> token >> m.wrapu;
221 } else if ( token == "wrapv" ) {
222 in >> token >> m.wrapv;
223 } else if ( token == "mipmap" ) {
224 in >> token >> m.mipmap;
225 } else if ( token == "ambient" ) {
226 in >> token >> m.ambient[0] >> m.ambient[1]
227 >> m.ambient[2] >> m.ambient[3];
228 } else if ( token == "diffuse" ) {
229 in >> token >> m.diffuse[0] >> m.diffuse[1]
230 >> m.diffuse[2] >> m.diffuse[3];
231 } else if ( token == "specular" ) {
232 in >> token >> m.specular[0] >> m.specular[1]
233 >> m.specular[2] >> m.specular[3];
234 } else if ( token == "emission" ) {
235 in >> token >> m.emission[0] >> m.emission[1]
236 >> m.emission[2] >> m.emission[3];
237 } else if ( token == "alpha" ) {
238 in >> token >> token;
239 if ( token == "yes" ) {
241 } else if ( token == "no" ) {
244 SG_LOG( SG_TERRAIN, SG_INFO, "Bad alpha value " << token );
246 } else if ( token == "light-coverage" ) {
247 in >> token >> m.light_coverage;
248 } else if ( token[0] == '}' ) {