protected Dictionary <Coord, Dictionary <Coord, int> > GetGraphEdges()
{
CellsListComponent cellsList = ecsManager.GetVSingletonComponent <CellsListComponent>();
List <Coord> cells = ecsManager.GetVComponentsFromList <PositionComponent>(cellsList.cellIds).Select(i => i.position).ToList();
Dictionary <Coord, Dictionary <Coord, int> > ret = new Dictionary <Coord, Dictionary <Coord, int> >();
TerrainCellFinderSystem cellFinderSystem = ecsManager.GetSystem <TerrainCellFinderSystem>();
foreach (var cell in cells)
{
if (cellFinderSystem.IsValidCell(cell))
{
ret[cell] = new Dictionary <Coord, int>();
foreach (var neighbour in cell.GetSurroundingCoords().FindAll(c => cellFinderSystem.IsValidCell(c)))
{
ret[cell][neighbour] = 1; // cost of moving to that cell
}
}
}
return(ret);
}
protected override void OnEnemySetupStart(VEntity entity)
{
CellScoresComponent CellScoresComponent = ecsManager.GetVSingletonComponent <CellScoresComponent>();
CellScoresComponent.cellScores = new Dictionary <Coord, int>();
CellsListComponent cellsList = ecsManager.GetVSingletonComponent <CellsListComponent>();
List <PositionComponent> positions = ecsManager.GetVComponentsFromList <PositionComponent>(cellsList.cellIds);
TerrainCellFinderSystem cellFinderSystem = ecsManager.GetSystem <TerrainCellFinderSystem>();
foreach (PositionComponent p in positions)
{
CellScoresComponent.cellScores.Add(p.position, 0);
}
// generically gets all entities that are targetable by the AI, has a position component, and ripples the scores the their positions.
List <VEntity> enemyTargets = ecsManager.FilterEntities(test: (ventity) => {
return(VEntityComponentSystemManager.HasVComponent <EnemyTargetComponent>(ventity) && VEntityComponentSystemManager.HasVComponent <PositionComponent>(ventity));
});
foreach (VEntity targetEntity in enemyTargets)
{
PositionComponent targetComponent = targetEntity.GetVComponent <PositionComponent>();
RippleScores(targetComponent.position, 5, CellScoresComponent.cellScores);
}
List <VEntity> enemies = ecsManager.GetSystem <UnitFinderSystem>().GetAllEnemyUnits().ToList();
foreach (VEntity enemy in enemies)
{
var availableDestinations = ecsManager.GetSystem <PathingSystem>().GetAvailableDestinations(VEntityComponentSystemManager.GetVComponent <PositionComponent>(enemy).position, 5);
var moveScores = new Dictionary <Coord, int>();
foreach (Coord cell in availableDestinations.Keys)
{
int s = 0;
foreach (Coord neighbor in cell.GetSurroundingCoords(true, false).FindAll(c => cellFinderSystem.IsValidCell(c)))
{
s += CellScoresComponent.cellScores[neighbor];
}
moveScores.Add(cell, s);
}
var sortedMoveScore = moveScores.OrderByDescending(x => x.Value);
// destination cell is where the unit is going to move to, defaulting to its original position
Coord destinationCell = VEntityComponentSystemManager.GetVComponent <PositionComponent>(enemy).position;
if (sortedMoveScore.Count() == 1)
{
destinationCell = sortedMoveScore.First().Key;
}
else if (sortedMoveScore.Count() > 1)
{
// randomly choose between the top two choices if there are more than 1
destinationCell = sortedMoveScore.ElementAt(Random.Range(0, 2)).Key;
}
ecsManager.ExecuteImmediateEvent("EnemyMove", component: new MovementEvent {
sourceId = enemy.id,
targetCoord = destinationCell
});
ecsManager.ExecuteImmediateEvent("QueueAction", component: new QueueActionEvent {
entityId = enemy.id
});
}
}
