/// @name Snake Target Probe
using System;
using System.Linq;
using System.Collections.Generic;

const int MIN_X = 37, MAX_X = 59, MIN_Y = 29, MAX_Y = 51;

bool InBoard(dynamic i)
    => i != null && i.Location.X >= MIN_X && i.Location.X <= MAX_X && i.Location.Y >= MIN_Y && i.Location.Y <= MAX_Y;

var map = new Dictionary<long, (int kind, int x, int y, int state)>();
foreach (var i in FloorItems)
{
    if (!InBoard(i)) continue;
    map[i.Id] = ((int)i.Kind, i.Location.X, i.Location.Y, (int)i.State);
}

Log("Snake Target Probe started");
Log("Watching board item state/move changes...");

while (Run)
{
    Delay(100);

    foreach (var i in FloorItems)
    {
        if (!InBoard(i)) continue;

        int kind = (int)i.Kind;
        int x = i.Location.X;
        int y = i.Location.Y;
        int state = (int)i.State;

        if (!map.TryGetValue(i.Id, out var prev))
        {
            map[i.Id] = (kind, x, y, state);
            Log($"add id={i.Id} kind={kind} pos=({x},{y}) state={state}");
            continue;
        }

        if (prev.x != x || prev.y != y || prev.state != state)
        {
            Log($"chg id={i.Id} kind={kind} ({prev.x},{prev.y})/{prev.state} -> ({x},{y})/{state}");
            map[i.Id] = (kind, x, y, state);
        }
    }
}