c74350c4fe
builds with no messages at all (and no performance impact) by using the -DFG_NDEBUG flag.
180 lines
5 KiB
C++
180 lines
5 KiB
C++
// splash.cxx -- draws the initial splash screen
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//
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// Written by Curtis Olson, started July 1998. (With a little looking
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// at Freidemann's panel code.) :-)
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//
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// Copyright (C) 1997 Michele F. America - nomimarketing@mail.telepac.pt
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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// $Id$
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// (Log is kept at end of this file)
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#ifdef HAVE_WINDOWS_H
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# include <windows.h>
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#endif
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#include <GL/glut.h>
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#include <XGL/xgl.h>
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#include <string.h>
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#include <Debug/logstream.hxx>
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#include <Main/options.hxx>
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#include <Objects/texload.h>
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#include "splash.hxx"
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static GLuint splash_texid;
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static GLubyte *splash_texbuf;
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// Initialize the splash screen
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void fgSplashInit ( void ) {
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string tpath, fg_tpath;
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int width, height;
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FG_LOG( FG_GENERAL, FG_INFO, "Initializing splash screen" );
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#ifdef GL_VERSION_1_1
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xglGenTextures(1, &splash_texid);
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xglBindTexture(GL_TEXTURE_2D, splash_texid);
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#elif GL_EXT_texture_object
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xglGenTexturesEXT(1, &splash_texid);
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xglBindTextureEXT(GL_TEXTURE_2D, splash_texid);
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#else
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# error port me
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#endif
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xglTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
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xglTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
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xglTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
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xglTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
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// load in the texture data
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tpath = current_options.get_fg_root() + "/Textures/Splash2.rgb";
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if ( (splash_texbuf =
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read_rgb_texture(tpath.c_str(), &width, &height)) == NULL )
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{
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// Try compressed
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fg_tpath = tpath + ".gz";
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if ( (splash_texbuf =
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read_rgb_texture(fg_tpath.c_str(), &width, &height)) == NULL )
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{
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FG_LOG( FG_GENERAL, FG_ALERT,
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"Error in loading splash screen texture " << tpath );
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exit(-1);
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}
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}
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xglTexImage2D( GL_TEXTURE_2D, 0, GL_RGB, width, height, 0, GL_RGB,
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GL_UNSIGNED_BYTE, (GLvoid *)(splash_texbuf) );
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}
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// Update the splash screen with progress specified from 0.0 to 1.0
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void fgSplashUpdate ( double progress ) {
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int xmin, ymin, xmax, ymax;
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int xsize = 480;
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int ysize = 380;
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xmin = (640 - xsize) / 2;
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xmax = xmin + xsize;
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ymin = (480 - ysize) / 2;
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ymax = ymin + ysize;
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// first clear the screen;
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xglClearColor(0.0, 0.0, 0.0, 1.0);
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xglClear( GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT );
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// now draw the logo
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xglMatrixMode(GL_PROJECTION);
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xglPushMatrix();
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xglLoadIdentity();
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gluOrtho2D(0, 640, 0, 480);
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xglMatrixMode(GL_MODELVIEW);
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xglPushMatrix();
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xglLoadIdentity();
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xglDisable(GL_DEPTH_TEST);
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xglDisable(GL_LIGHTING);
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xglEnable(GL_TEXTURE_2D);
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#ifdef GL_VERSION_1_1
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xglBindTexture(GL_TEXTURE_2D, splash_texid);
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#elif GL_EXT_texture_object
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xglBindTextureEXT(GL_TEXTURE_2D, splash_texid);
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#else
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# error port me
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#endif
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xglTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
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xglBegin(GL_POLYGON);
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xglTexCoord2f(0.0, 0.0); glVertex2f(xmin, ymin);
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xglTexCoord2f(1.0, 0.0); glVertex2f(xmax, ymin);
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xglTexCoord2f(1.0, 1.0); glVertex2f(xmax, ymax);
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xglTexCoord2f(0.0, 1.0); glVertex2f(xmin, ymax);
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xglEnd();
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xglutSwapBuffers();
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xglEnable(GL_DEPTH_TEST);
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xglEnable(GL_LIGHTING);
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xglDisable(GL_TEXTURE_2D);
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xglMatrixMode(GL_PROJECTION);
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xglPopMatrix();
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xglMatrixMode(GL_MODELVIEW);
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xglPopMatrix();
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}
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// $Log$
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// Revision 1.7 1998/11/06 21:18:14 curt
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// Converted to new logstream debugging facility. This allows release
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// builds with no messages at all (and no performance impact) by using
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// the -DFG_NDEBUG flag.
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//
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// Revision 1.6 1998/10/17 01:34:25 curt
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// C++ ifying ...
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//
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// Revision 1.5 1998/09/26 13:17:29 curt
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// Clear screen to "black" before drawing splash screen.
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//
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// Revision 1.4 1998/08/27 17:02:08 curt
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// Contributions from Bernie Bright <bbright@c031.aone.net.au>
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// - use strings for fg_root and airport_id and added methods to return
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// them as strings,
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// - inlined all access methods,
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// - made the parsing functions private methods,
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// - deleted some unused functions.
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// - propogated some of these changes out a bit further.
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//
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// Revision 1.3 1998/08/25 16:59:10 curt
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// Directory reshuffling.
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//
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// Revision 1.2 1998/07/13 21:01:40 curt
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// Wrote access functions for current fgOPTIONS.
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//
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// Revision 1.1 1998/07/06 02:42:36 curt
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// Initial revision.
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//
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