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/*
*  hello.cpp
*
*  Created by Daisuke Nogami on Sep, 05.
*  opyright 2005 Daisuke Nogami [null-null.net]. Some rights reserved.
*/
 
 
#include "stdafx.h"
#include "hello.h"
 
void setView(){
  glClear( GL_COLOR_BUFFER_BIT );
  glLoadIdentity();
  glOrtho( 0.0, 1024, 0.0, 768, -1.0, 1.0 );
}
 
void glPrint( void* font, const char* str ){
  int i = 0;
    while( str[i] != '\0' ){
        glutBitmapCharacter( font, (int)str[i] );
        i++;
    }
}
 
void drawWeatherStatus(){
  glColor3f( 1, 1, 1 );
 
  glRasterPos3f( 20, 20, 0 );
  glPrint( GLUT_BITMAP_HELVETICA_18, ("at "+weather.getLocation()).c_str() );
  glRasterPos3f( 20, 45, 0 );
  glPrint( GLUT_BITMAP_HELVETICA_18, (weather.getCurrentDate()+"'s weather [after "+weather.getAddHours()+" hours]").c_str() );
  glRasterPos3f( 20, 185, 0 );
  glPrint( GLUT_BITMAP_HELVETICA_12, ("weahter: "+weather.getCurrentWeather()).c_str() );
  glRasterPos3f( 20, 165, 0 );
  glPrint( GLUT_BITMAP_HELVETICA_12, ("temperature[degreesC]: "+weather.getCurrentTemp()).c_str() );
  glRasterPos3f( 20, 145, 0 );
  glPrint( GLUT_BITMAP_HELVETICA_12, ("precipitation rate: "+weather.getCurrentPrecRate()+"mm").c_str() );
  glRasterPos3f( 20, 125, 0 );
  glPrint( GLUT_BITMAP_HELVETICA_12, ("humidity: "+weather.getCurrentHum()+"%").c_str() );
  glRasterPos3f( 20, 105, 0 );
  glPrint( GLUT_BITMAP_HELVETICA_12, ("wind direction: "+weather.getCurrentWinDir()).c_str() );
  glRasterPos3f( 20, 85, 0 );
  glPrint( GLUT_BITMAP_HELVETICA_12, ("wind speed: "+weather.getCurrentWinSpd()+"m/s").c_str() );
}
 
void display(void){
  setView();
 
  // update motion
  ds.proc();
  /*glBindTexture( GL_TEXTURE_2D, texName[1] );
	glTexSubImage2D(
		GL_TEXTURE_2D, 0, 0, 0, ds._cWidth, ds._cHeight,
		GL_RGB, GL_UNSIGNED_BYTE, ds.btmp
	);
 
	// draw motion
	glBlendFunc( GL_SRC_ALPHA, GL_ONE );
	glEnable( GL_BLEND );
	glEnable( GL_TEXTURE_2D );
	glDisable( GL_DEPTH_TEST );
	glColor3f( 0.0, 0.0, 0.392 );
	glBegin( GL_POLYGON );
	glTexCoord2f( 0.0f, 0.0f );
	glVertex2f( 0, 768 );
	glTexCoord2f( 1.0f, 0.0f );
	glVertex2f( 1024, 768 );
	glTexCoord2f( 1.0f, 1.0f );
	glVertex2f( 1024, 0 );
	glTexCoord2f( 0.0f, 1.0f );
	glVertex2f( 0,0 );
	glEnd();*/
 
  // attached by motion
  mfilter.attach( &cellset, &rfilter );
  mfilter.attach( &cellset, &asfilter );
 
  // update filter
  asfilter.update();
  asfilter.mappingTo( &cellset );
  rfilter.update();
  rfilter.mappingTo( &cellset );
 
  // draw onomatopoeia
  glBindTexture( GL_TEXTURE_2D, texName[0] );
  glBlendFunc( GL_SRC_ALPHA, GL_ONE );
  glEnable( GL_BLEND );
  glEnable( GL_TEXTURE_2D );
  glColor3f( 1.0, 1.0, 1.0 );
  cellset.update_and_draw();
 
  // draw weather status
  glDisable(GL_BLEND);
  glDisable(GL_TEXTURE_2D);
  drawWeatherStatus();
  
  glutSwapBuffers();
}
 
void init(void){
  glClearColor( 0.0, 0.0, 0.392, 1.0 );
  //glClearColor( 0.0, 0.0, 0.0, 1.0 );
 
  // generate texture
  glGenTextures( 2, texName );
 
  // onomatopoeia
  glBindTexture( GL_TEXTURE_2D, texName[0] );
  glTexImage2D(
    GL_TEXTURE_2D, 0 , GL_RGBA, onomato_img.width, onomato_img.height,
    0, GL_RGBA, GL_UNSIGNED_BYTE, onomato_img.data
  );
  glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR);
  glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR);
 
  // motion [from camera]
  glBindTexture( GL_TEXTURE_2D, texName[1] );
  glTexImage2D(
    GL_TEXTURE_2D, 0 , GL_RGB, ds._cHeight, ds._cHeight,
    0, GL_RGB, GL_UNSIGNED_BYTE, ds.btmp
  );
  glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR);
  glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR);
 
  // start thread
  weather.start();
  ds.start();
}
 
void resize( int w, int h ){
    glViewport( 0, 0, w, h );
    glLoadIdentity();
    glOrtho( 0.0, w, 0.0, h, -1.0, 1.0 );
}
 
void keyboard(unsigned char key, int x, int y){
  //printf( "key: %c\n", key );
  switch (key) {
    case 50://2
      // stop thread
      weather.signal();
      break;
    case 'q':
      asfilter.sync( 0, 1 );
      rfilter.sync( 0 );
      break;
    case 'w':
      asfilter.sync( 0, 4 );
      rfilter.sync( 0 );
      break;
    case 'e':
      asfilter.sync( 0, 8 );
      rfilter.sync( 0 );
      break;
    case 'r':
      asfilter.sync( 0, 1 );
      rfilter.sync( 4 );
      break;
    case 't':
      asfilter.sync( 0, 4 );
      rfilter.sync( 4 );
      break;
    case 'y':
      asfilter.sync( 0, 100 );
      rfilter.sync( 0 );
      break;
    case '\033':
      exit(0);
      break;
  }
}
 
void mouse( int button, int state, int x, int y ){
  //
}
 
void motion( int x, int y ){
  //
}
 
void timer( int val ){
  glutPostRedisplay();
  glutTimerFunc( 20, timer, 0 );
}
 
int main(int argc, char *argv[]){
  glutInit(&argc, argv);
  glutInitDisplayMode( GLUT_RGBA | GLUT_DOUBLE );
  glutCreateWindow(argv[0]);
 
  //glutInitWindowSize( 512, 384 );
  //glutReshapeWindow(512, 384);
  glutFullScreen();
 
  glutSetCursor(GLUT_CURSOR_NONE);
  glutDisplayFunc(display);
  //glutIdleFunc( display );
  glutTimerFunc( 20, timer, 0 );
  //glutReshapeFunc( resize );
  glutKeyboardFunc(keyboard);
  glutMouseFunc(mouse);
  glutMotionFunc(motion);
 
  init();
 
  glutMainLoop();
 
  return 0;
}