map.zep

namespace Zafiro;

class Map
{

    public data = [];

    public map = [];

    public mask = [];

    public min = 0;

    public max = 0;

    public width = 0;

    public height = 0;

    public scale = 2;

    public brush = 5;

    public function __construct(int width, int height, int brush = null, int scale = null)
    {
        if !brush {
            let this->brush = (int) brush;
        }

        if !scale {
            let this->scale = (int) scale;
        }

        let this->width = (int) floor(width / this->scale);
        let this->height = (int) floor(height / this->scale);
    }

    public function setData(array data)
    {
        let this->data = data;
        return this;
    }

    public function generate()
    {
        int x, y, center, current, scale;
        var row, map;

        let scale = (double) this->scale;
        let center = (int) floor(this->width >> 1);

        let map = this->map;
        for row in this->data {

            let x = center + floor(row["x"] / scale);
            let y = (int)floor(row["y"] / scale);

            if !isset map[x][y] {
                let current = 0;
            } else {
                let current = (int) map[x][y];
            }

            let current += row["val"],
                map[x][y] = current;
        }
        let this->map = map;

        return map;
    }
}