1 // splash.cxx -- draws the initial splash screen
3 // Written by Curtis Olson, started July 1998. (With a little looking
4 // at Freidemann's panel code.) :-)
6 // Copyright (C) 1997 Michele F. America - nomimarketing@mail.telepac.pt
8 // This program is free software; you can redistribute it and/or
9 // modify it under the terms of the GNU General Public License as
10 // published by the Free Software Foundation; either version 2 of the
11 // License, or (at your option) any later version.
13 // This program is distributed in the hope that it will be useful, but
14 // WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 // General Public License for more details.
18 // You should have received a copy of the GNU General Public License
19 // along with this program; if not, write to the Free Software
20 // Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 // (Log is kept at end of this file)
39 #include <Debug/fg_debug.h>
40 #include <Main/options.hxx>
41 #include <Objects/texload.h>
46 static GLuint splash_texid;
47 static GLubyte *splash_texbuf;
50 // Initialize the splash screen
51 void fgSplashInit ( void ) {
52 string tpath, fg_tpath;
55 fgPrintf( FG_GENERAL, FG_INFO, "Initializing splash screen\n");
57 xglGenTextures(1, &splash_texid);
58 xglBindTexture(GL_TEXTURE_2D, splash_texid);
59 #elif GL_EXT_texture_object
60 xglGenTexturesEXT(1, &splash_texid);
61 xglBindTextureEXT(GL_TEXTURE_2D, splash_texid);
66 xglTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
67 xglTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
68 xglTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
69 xglTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
71 // load in the texture data
72 tpath = current_options.get_fg_root() + "/Textures/Splash2.rgb";
75 read_rgb_texture(tpath.c_str(), &width, &height)) == NULL )
78 fg_tpath = tpath + ".gz";
80 read_rgb_texture(fg_tpath.c_str(), &width, &height)) == NULL )
82 fgPrintf( FG_GENERAL, FG_EXIT,
83 "Error in loading splash screen texture %s\n",
88 xglTexImage2D( GL_TEXTURE_2D, 0, GL_RGB, width, height, 0, GL_RGB,
89 GL_UNSIGNED_BYTE, (GLvoid *)(splash_texbuf) );
93 // Update the splash screen with progress specified from 0.0 to 1.0
94 void fgSplashUpdate ( double progress ) {
95 int xmin, ymin, xmax, ymax;
99 xmin = (640 - xsize) / 2;
102 ymin = (480 - ysize) / 2;
105 // first clear the screen;
106 xglClearColor(0.0, 0.0, 0.0, 1.0);
107 xglClear( GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT );
110 xglMatrixMode(GL_PROJECTION);
113 gluOrtho2D(0, 640, 0, 480);
114 xglMatrixMode(GL_MODELVIEW);
118 xglDisable(GL_DEPTH_TEST);
119 xglDisable(GL_LIGHTING);
120 xglEnable(GL_TEXTURE_2D);
121 #ifdef GL_VERSION_1_1
122 xglBindTexture(GL_TEXTURE_2D, splash_texid);
123 #elif GL_EXT_texture_object
124 xglBindTextureEXT(GL_TEXTURE_2D, splash_texid);
128 xglTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
130 xglBegin(GL_POLYGON);
131 xglTexCoord2f(0.0, 0.0); glVertex2f(xmin, ymin);
132 xglTexCoord2f(1.0, 0.0); glVertex2f(xmax, ymin);
133 xglTexCoord2f(1.0, 1.0); glVertex2f(xmax, ymax);
134 xglTexCoord2f(0.0, 1.0); glVertex2f(xmin, ymax);
139 xglEnable(GL_DEPTH_TEST);
140 xglEnable(GL_LIGHTING);
141 xglDisable(GL_TEXTURE_2D);
143 xglMatrixMode(GL_PROJECTION);
145 xglMatrixMode(GL_MODELVIEW);
151 // Revision 1.6 1998/10/17 01:34:25 curt
154 // Revision 1.5 1998/09/26 13:17:29 curt
155 // Clear screen to "black" before drawing splash screen.
157 // Revision 1.4 1998/08/27 17:02:08 curt
158 // Contributions from Bernie Bright <bbright@c031.aone.net.au>
159 // - use strings for fg_root and airport_id and added methods to return
161 // - inlined all access methods,
162 // - made the parsing functions private methods,
163 // - deleted some unused functions.
164 // - propogated some of these changes out a bit further.
166 // Revision 1.3 1998/08/25 16:59:10 curt
167 // Directory reshuffling.
169 // Revision 1.2 1998/07/13 21:01:40 curt
170 // Wrote access functions for current fgOPTIONS.
172 // Revision 1.1 1998/07/06 02:42:36 curt