weathermap

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<?php
        require_once 'Weathermap.class.php';
        
        // EDIT THESE!
        // Which file to read in (the big map)
        $input_mapfile = "configs/09-test.conf";
        // how big do you want your new maps to be?
        $desired_width = 640;
        $desired_height = 480;
                        
        $map = new WeatherMap;  
        $map->ReadConfig($input_mapfile);
        
        print "Size of source is ".$map->width."x".$map->height."\n";

        $rows = intval($map->height/$desired_height)+1;
        $cols = intval($map->width/$desired_width)+1;
        $num = $rows * $cols;
        
        
        if($num == 1)
        {
                print "This map is already within your constraints.\n";
        }
        else
        {
                print "We'll need to make $num ($cols x $rows) smaller maps\n";
                for($row=0;$row < $rows; $row++)
                {
                        for($col=0;$col<$cols; $col++)
                        {
                                print "=====================================\nMaking the submap $col,$row\n";
                                $min_x = $col*$desired_width;
                                $min_y = $row*$desired_height;
                                $max_x = ($col+1)*$desired_width;
                                $max_y = ($row+1)*$desired_height;
                                print "We'll read the map, and throw out everything not inside ($min_x,$min_y)->($max_x,$max_y)\n";
                                
                                $map = new WeatherMap;  
                                $map->ReadConfig($input_mapfile);
                                
                                foreach ($map->nodes as $node)
                                {
                                        $target = $node->name;                  
                                        if( ($node->x < $min_x) || ($node->x >= $max_x) ||
                                                ($node->y < $min_y) || ($node->y >= $max_y) )
                                        {
                                                
                                                print "$target falls outside of this map. Deleting it and links that use it.\n";
                                                
                                                foreach ($map->links as $link)
                                                {
                                                        if( ($target == $link->a->name) || ($target == $link->b->name) )
                                                        {
                                                                print "link $link->name uses it. Deleted.\n";
                                                                unset($map->links[$link->name]);
                                                        }
                                                }
                                                unset($map->nodes[$target]);
                                        }
                                        else
                                        {
                                                print "$target is OK, but will be moved for the new map from ".$node->x.",".$node->y." to ";
                                                $x = $node->x;
                                                $y = $node->y;
                                                
                                                $x = $node->x  - $min_x;
                                                $y = $node->y  - $min_y;
                                                $map->nodes[$target]->x = $x;
                                                $map->nodes[$target]->y = $y;
                                                print "$x,$y\n";
                                        }
                                }
                                $output_mapfile = $input_mapfile."-".$row."-".$col.".conf";
                                $map->width = $desired_width;
                                $map->height = $desired_height;
                                $map->background="";
                                $map->WriteConfig($output_mapfile);
                        }
                }
                
        }

?>