144 lines
3.4 KiB
C++
144 lines
3.4 KiB
C++
/*
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This file is part of TTT3D - Steve's 3D TicTacToe Player.
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Copyright (C) 2001 Steve Baker
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TTT3D is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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TTT3D is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with TTT3D; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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For further information visit http://plib.sourceforge.net
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$Id: gfx.cxx 1465 2002-08-30 14:05:59Z wolfram_kuss $
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*/
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#include "p3d.h"
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static unsigned int lastGLUTKeystroke = 0 ;
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static void getGLUTSpecialKeystroke ( int key, int, int )
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{
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lastGLUTKeystroke = 256 + key ;
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}
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static void getGLUTKeystroke ( unsigned char key, int, int )
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{
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lastGLUTKeystroke = key ;
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}
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int getGLUTKeystroke ()
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{
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int k = lastGLUTKeystroke ;
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lastGLUTKeystroke = 0 ;
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return k ;
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}
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static void reshape ( int w, int h )
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{
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glViewport ( 0, 0, w, h ) ;
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}
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static void initWindow ( int w, int h )
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{
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int fake_argc = 1 ;
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char *fake_argv[3] ;
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fake_argv[0] = "TTT3D" ;
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fake_argv[1] = "TTT3D by Steve Baker." ;
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fake_argv[2] = NULL ;
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glutInitWindowPosition ( 0, 0 ) ;
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glutInitWindowSize ( w, h ) ;
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glutInit ( &fake_argc, fake_argv ) ;
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glutInitDisplayMode ( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH ) ;
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glutCreateWindow ( fake_argv[1] ) ;
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glutDisplayFunc ( ttt3dMainLoop ) ;
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glutKeyboardFunc ( getGLUTKeystroke ) ;
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glutSpecialFunc ( getGLUTSpecialKeystroke ) ;
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glutReshapeFunc ( reshape ) ;
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#ifndef WIN32
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glutIdleFunc ( glutPostRedisplay ) ;
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#endif
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}
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GFX::GFX ()
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{
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initWindow ( 640, 480 ) ;
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ssgInit () ;
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static int firsttime = 1 ;
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if ( firsttime )
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{
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firsttime = 0 ;
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initMaterials () ;
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}
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ssgSetFOV ( 75.0f, 0.0f ) ;
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ssgSetNearFar ( 0.01f, 10.0f ) ;
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sgCoord cam ;
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sgSetVec3 ( cam.xyz, 0, 0, 0 ) ;
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sgSetVec3 ( cam.hpr, 0, 0, 0 ) ;
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ssgSetCamera ( & cam ) ;
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}
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void GFX::update ()
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{
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sgVec3 sunposn ;
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sgVec4 skycol ;
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sgVec4 white = { 1.0, 1.0, 1.0, 1.0 } ;
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sgSetVec3 ( sunposn, -0.2f, -0.5f, 0.2f ) ;
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sgSetVec4 ( skycol, 0.4f, 0.4f, 0.8f, 1.0f ) ;
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ssgGetLight ( 0 ) -> setPosition ( sunposn ) ;
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ssgGetLight ( 0 ) -> setColour ( GL_AMBIENT , white ) ;
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ssgGetLight ( 0 ) -> setColour ( GL_DIFFUSE , white ) ;
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ssgGetLight ( 0 ) -> setColour ( GL_SPECULAR, white ) ;
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/* Clear the screen */
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glClearColor ( skycol[0], skycol[1], skycol[2], skycol[3] ) ;
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glClear ( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT ) ;
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glEnable ( GL_DEPTH_TEST ) ;
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glFogf ( GL_FOG_DENSITY, 3.0f / 100.0f ) ;
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glFogfv( GL_FOG_COLOR , skycol ) ;
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glFogf ( GL_FOG_START , 0.0 ) ;
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glFogi ( GL_FOG_MODE , GL_EXP ) ;
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glHint ( GL_FOG_HINT , GL_NICEST ) ;
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sgCoord cam ;
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sgSetVec3 ( cam.xyz, 0, 0, 0 ) ;
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sgSetVec3 ( cam.hpr, 0, 0, 0 ) ;
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ssgSetCamera ( & cam ) ;
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glEnable ( GL_FOG ) ;
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ssgCullAndDraw ( scene ) ;
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glDisable ( GL_FOG ) ;
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}
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void GFX::done ()
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{
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glutPostRedisplay () ;
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glutSwapBuffers () ;
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}
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