/*****************************************************************************
 *
 * STATUSWRL.C - Nagios 3-D (VRML) Network Status View
 *
 * Copyright (c) 1999-2006 Ethan Galstad (nagios@nagios.org)
 * Last Modified: 03-27-2006
 *
 * Description:
 *
 * This CGI will dynamically create a 3-D VRML model of all hosts that are
 * being monitored on your network.
 *
 * License:
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 *****************************************************************************/

#include "../include/config.h"
#include "../include/common.h"
#include "../include/objects.h"
#include "../include/statusdata.h"

#include "../include/cgiutils.h"
#include "../include/getcgi.h"
#include "../include/cgiauth.h"

extern char main_config_file[MAX_FILENAME_LENGTH];
extern char url_html_path[MAX_FILENAME_LENGTH];
extern char url_images_path[MAX_FILENAME_LENGTH];
extern char url_logo_images_path[MAX_FILENAME_LENGTH];

extern char *statuswrl_include;

extern host *host_list;
extern service *service_list;
extern hostextinfo *hostextinfo_list;

extern int default_statuswrl_layout_method;


#define NAGIOS_VRML_IMAGE               "nagiosvrml.png"

#define DEFAULT_NODE_WIDTH		0.5
#define DEFAULT_HORIZONTAL_SPACING	1.0
#define DEFAULT_VERTICAL_SPACING	1.0

/* needed for auto-layout modes */
#define DEFAULT_NODE_HEIGHT             0.5
#define DEFAULT_NODE_HSPACING           1.0
#define DEFAULT_NODE_VSPACING           1.0
#define CIRCULAR_DRAWING_RADIUS         5.0

#define LAYOUT_USER_SUPPLIED            0
#define LAYOUT_COLLAPSED_TREE           2
#define LAYOUT_BALANCED_TREE            3
#define LAYOUT_CIRCULAR                 4


void calculate_host_coords(void);
void calculate_world_bounds(void);
void display_world(void);
void write_global_vrml_data(void);
void draw_process_icon(void);
void draw_host(hostextinfo *);
void draw_host_links(void);
void draw_host_link(host *,double,double,double,double,double,double);
void document_header(void);
int process_cgivars(void);

int number_of_host_layer_members(host *,int);
int max_child_host_layer_members(host *);
int host_child_depth_separation(host *, host *);
int max_child_host_drawing_width(host *);

void calculate_balanced_tree_coords(host *,int,int);
void calculate_circular_coords(void);
void calculate_circular_layer_coords(host *,double,double,int,int);


authdata current_authdata;

float link_radius=0.016;

float floor_width=0.0;
float floor_depth=0.0;

double min_z_coord=0.0;
double min_x_coord=0.0;