pov.cpp

行人模拟

//
// pedsim - A microscopic pedestrian simulation system. 
// Copyright (c) 2003 - 2004 by Christian Gloor
//                              
// You can redistribute and/or modify this program under the terms of
// the GNU General Public License.  See copying.txt for details.
// 

#include <stdio.h>
#include <iostream> // cout ...
#include <fstream> // files
#include <string>   // strncpy

#include "pov.h"
#include "agent.h"
#include "functions.h"

using namespace std;

extern AgentContainer a;

// ----------------------------------------------------
// Name: newfile
// Description: opens a new file and adds pov intro
// Introduced: chgloor Monday, January  5, 2004  1:43:21
// ----------------------------------------------------
void Tpov::newfile(long systemtime) {
  file.open (filename, ios::out);

  file << "// Frame " << systemtime << endl << endl;
  file << "#include \"colors.inc\"" << endl;
  //file << "#include \"tree.inc\"" << endl;
  file << "#include \"scene.inc\"" << endl;
  file << "#include \"objects.inc\"" << endl;
  
  file << endl;

  file << "blob {" << endl;
  file << "threshold .1" << endl;

}

// --------------------------------------------------
// Name: Tpov
// Purpose: Constructor. Initializes open files etc
// Introduced: chgloor Monday, December 29, 2003 12:26:47
// --------------------------------------------------
Tpov::Tpov(char *pfilename) {
  strncpy(filename, pfilename, sizeof(filename));
  newfile(0);
}


// --------------------------------------------------
// Name: draw_position
// Purpose: draws an agent
// Introduced: chgloor Monday, June 30, 2003 14:27:24
// --------------------------------------------------
void Tpov::draw_position(int id, int type, double color, double x, double y, double direction, double sword) {
  direction = 360.0f * direction / 3.1415;

  type = 4; // debug

  if (type==0) { 
    file << "object { sword  rotate <0,0," << sword << "> translate <0,0,0.3> rotate <0," << -direction+180 << ",0> translate <" << x << ",0.8," << y << ">}" << endl;
    file << "cylinder { <" << x << ", 0, " << y << ">, <" << x << ", 1, " << y << ">, 0.3 texture { pigment { color rgb<" << color/2 << "," << color/2 << ",0> } } }" << endl; 
    file << "object { head rotate <0," << -direction+180 << ",0> translate <" << x << ", 1.3, " << y << "> }" << endl;
    file << "sphere { <" << x << "*4, 1.55*10, " << y << "*4>, 1 scale <0.25,0.1,0.25> texture { pigment { color rgb<" << color << "," << color << ",0> } } }" << endl; 
  }
  if (type==1) {
    file << "object { sword  rotate <0,0," << sword << "> translate <0,0,0.3> rotate <0," << -direction << ",0> translate <" << x << ",0.8," << y << ">}" << endl;
    file << "cylinder { <" << x << ", 0, " << y << ">, <" << x << ", 1, " << y << ">, 0.3 texture { pigment { color rgb<" << color/2 << "," << 0 << ",0> } } }" << endl; 
    file << "object { head rotate <0," << -direction << ",0> translate <" << x << ", 1.3, " << y << "> }" << endl;
    file << "sphere { <" << x << "*4, 1.55*10, " << y << "*4>, 1 scale <0.25,0.1,0.25> texture { pigment { color rgb<" << color << "," << 0 << ",0> } } }" << endl; 
  }
  if (type==2) {
    file << "sphere { <" << x << ", 0.15, " << y << ">, 0.3 texture { pigment { color rgb<" << color/2 << "," << color/2 << ",0>  } } }" << endl; 
    file << "object { sword  rotate <0,90,0> rotate <0,0,90> translate <0,0,0.5> rotate <0," << -direction+180 << ",0> translate <" << x << ",0," << y << ">}" << endl;
  }
  if (type==3) {
    file << "sphere { <" << x << ", 0.15, " << y << ">, 0.3 texture { pigment { color rgb<" << color/2 << "," << 0 << ",0>  } } }" << endl; 
    file << "object { sword  rotate <0,90,0> rotate <0,0,90> translate <0,0,0.5> rotate <0," << -direction << ",0> translate <" << x << ",0," << y << ">}" << endl;
  }
  if (type==4) {    
    file << "   sphere { <" << x << ", 0.15," << y << ">, .2, 1 texture { pigment { color rgb<" << color/2 << "," << 1 << ",0>  } } }" << endl;     
    file << "   sphere { <" << x+.6 << ", 0.15," << y << ">, 0.2, 1 texture { pigment { color rgb<" << color/2 << "," << 0 << ",0>  } } }" << endl;     
    file << "   sphere { <" << x << ", 0.15," << y+.6 << ">, 0.2, 1 texture { pigment { color rgb<" << color/2 << "," << 0 << ",0>  } } }" << endl;    
    file << "   sphere { <" << x-.6 << ", 0.15," << y-.6 << ">, 0.2, 1 texture { pigment { color rgb<" << color/2 << "," << 0 << ",0>  } } }" << endl;     
    file << "   sphere { <" << x << ", 0.15," << y -.6<< ">, 0.2, 1 texture { pigment { color rgb<" << color/2 << "," << 0 << ",0>  } } }" << endl; 
    file << "   sphere { <" << x+.9 << ", 0.1," << y << ">, 0.1, 1 texture { pigment { color rgb<" << color/2 << "," << 0 << ",0>  } } }" << endl;     
    file << "   sphere { <" << x << ", 0.1," << y+.9 << ">, 0.1, 1 texture { pigment { color rgb<" << color/2 << "," << 0 << ",0>  } } }" << endl;    
    file << "   sphere { <" << x-.9 << ", 0.1," << y << ">, 0.1, 1 texture { pigment { color rgb<" << color/2 << "," << 0 << ",0>  } } }" << endl;     
    file << "   sphere { <" << x << ", 0.1," << y-.9<< ">, 0.1, 1 texture { pigment { color rgb<" << color/2 << "," << 0 << ",0>  } } }" << endl; 
  }

  if ((id % 30) == 0) { // torch
    if (type<2) file << "object { torch rotate <0,0,0> translate <0,0,-0.5> rotate <0," << -direction << ",0> translate <" << x << ", 0.7, " << y << ">}" << endl;
  }
  if ((id % 30) == 31) { // banner
    if (type<2) file << "object { banner rotate <0,0,0> translate <0,0,-0.5> rotate <0," << -direction << ",0> translate <" << x << ", 0.7, " << y << ">}" << endl;
  }
}
// --------------------------------------------------
// Name: draw_tree
// Purpose: draws a tree
// Introduced: chgloor Wednesday, January  7, 2004 13:46:04
// --------------------------------------------------
void Tpov::draw_tree(int id, double size, double rotation, double x, double y) {
  //  file << "object { Entire_Tree rotate y*" << rotation << " scale " << size << " translate <" << x << ",0," << y <<">}" << endl;
};


// ----------------------------------------------------
// Name: render_frame
// Description: 
// Introduced: chgloor Monday, January  5, 2004  1:08:41
// Return value: 
// ----------------------------------------------------
void Tpov::render_frame(long timestep, bool render) {  
  char command[200];
  char temp[30];

  file << "}" << endl;
  
  if (render == true) {
    //    strcpy(command, "povray output.pov +W640 +H480 +D -V +Opov/frame");
    strcpy(command, "povray output.pov +W800 +H600 +D -V +Opov/frame");
    sprintf(temp, "%.5ld",timestep);
    strcat(command,temp);
    strcat(command, ".png &> pov.out");
    system(command);
    
    strcpy(command, "convert pov/frame");
    sprintf(temp, "%.5ld",timestep);
    strcat(command,temp);
    strcat(command, ".png pov/frame");
    strcat(command,temp);
    strcat(command, ".jpg");
    system(command);
  }
  
  strcpy(command, "mv output.pov pov/frame");
  sprintf(temp, "%.5ld",timestep);
  strcat(command,temp);
  strcat(command, ".pov");
  system(command);
  
  file.close();
  newfile(timestep);
}