public HeatmapState(string player_name, int time_window_secs = 0)
{
time_window_picosec = time_window_secs * MetaData.SECOND_TO_PICO;
this.player_name = player_name;
heatmaps = new List <double[, ]> {
new double[8, 13], new double[16, 25], new double[32, 50], new double[64, 100]
};
sum = 0;
seed = new TimeInCell(-1, -1, -1, -1, -1, 0);
past_data = new LinkedList <TimeInCell>();
}
public IList <HeatMapData> update(PlayerData pData)
{
//correct x and y co-ordinates of playerdata.
double x = pData.pos_x < 0 ? 0 : pData.pos_x;
if (x > MetaData.LEN_X)
{
x = MetaData.LEN_X;
}
double y = pData.pos_y + MetaData.Y_OFFSET;
if (y < 0)
{
y = y * -1;
}
if (y > MetaData.LEN_Y)
{
y = MetaData.LEN_Y;
}
int x_index = ((int)Math.Floor(y / (MetaData.LEN_Y / 64)));
if (x_index >= 64)
{
x_index = 63;
}
int y_index = ((int)Math.Floor(x / (MetaData.LEN_X / 100)));
if (y_index >= 100)
{
y_index = 99;
}
TimeInCell new_seed = new TimeInCell(pData.ts, seed.curr_index_x, seed.curr_index_y, x_index, y_index, 0);
if (new_seed.prev_index_x == -1 && new_seed.prev_index_y == -1)
{
new_seed.prev_index_x = x_index;
new_seed.prev_index_y = y_index;
flush_ts = pData.ts;
}
else
{
new_seed.time_in_cell = (pData.ts - seed.ts) / MetaData.PICO_TO_MILI;
}
seed = new_seed;
return(updateHeatmaps(new_seed));
}
public IList <HeatMapData> updateHeatmaps(TimeInCell update)
{
IList <HeatMapData> output_list = new List <HeatMapData>();
//bool toFlush = false;
if (time_window_picosec > 0)
{
while (true)
{
var item = past_data.First;
if (item == null)
{
break;
}
if ((update.ts - item.Value.ts) > time_window_picosec)
{
for (int i = 0; i < 4; i++)
{
var heatmap = heatmaps[i];
int grid_factor = 1 << (4 - (i + 1));
heatmap[item.Value.prev_index_x / grid_factor, item.Value.prev_index_y / grid_factor]
-= item.Value.time_in_cell;
}
sum -= item.Value.time_in_cell;
past_data.RemoveFirst();
}
else
{
break;
}
}
past_data.AddLast(update);
}
for (int i = 0; i < 4; i++)
{
var heatmap = heatmaps[i];
int grid_factor = 1 << (4 - (i + 1));
heatmap[update.prev_index_x / grid_factor, update.prev_index_y / grid_factor] += update.time_in_cell;
}
sum += update.time_in_cell;
/*if ((update.ts - flush_ts) > MetaData.SECOND_TO_PICO)
* {
* toFlush = true;
* flush_ts = update.ts;
* }*/
//if (toFlush)
{
for (int i = 0; i < 4; i++)
{
HeatMapData data = new HeatMapData(i);
data.ts = update.ts;
data.player_name = player_name;
data.sum = sum;
data.gridType = i;
data.heatmap = (double[, ])heatmaps[i].Clone();
output_list.Add(data);
}
}
return(output_list);
}
