private static bool TryGetGridForMap(int mapId, out PlayerAvoidanceGrid grid)
{
for (var i = 0; i < grids.Count; i++)
{
if (grids[i].mapId == mapId)
{
grid = grids[i];
return(true);
}
}
grid = new PlayerAvoidanceGrid();
return(false);
}
private static int CalculatePathCostInCell(PlayerAvoidanceGrid grid, int cellIndex)
{
var sources = grid.sources;
var pathCostSum = 0;
for (int i = 0; i < sources.Count; i++)
{
if (sources[i].cellIndex == cellIndex)
{
pathCostSum += sources[i].addedCost;
}
}
return(pathCostSum);
}
public static void AddAvoidanceSource(Thing source, int pathCost)
{
AssertMap(source);
pathCost = Mathf.Max(0, pathCost);
if (!TryGetGridForMap(source.Map.uniqueID, out PlayerAvoidanceGrid grid))
{
grid = new PlayerAvoidanceGrid(source.Map);
grids.Add(grid);
}
var cellIndex = CellIndicesUtility.CellToIndex(source.Position, source.Map.Size.x);
var previousCost = CalculatePathCostInCell(grid, cellIndex);
var currentCost = Mathf.Min(byte.MaxValue, previousCost + pathCost);
grid.byteGrid[cellIndex] = (byte)currentCost;
grid.sources.Add(new AvoidanceSource(source.thingIDNumber, cellIndex, currentCost - previousCost));
}
