// Placement
/**
* Can place settlements only when there are no neighbouring settlements, and if connected to a road that player already owns.
* In setup mode, can place settlements not connected to a road.
*/
public bool CanPlaceSettlement(Player player, int col, int row, BoardGrid.VertexSpecifier vertexSpec)
{
// Check if there are any adjacent building -- Spacing requirement
List <Vertex> adjacentVertices = boardGrid.GetAdjacentVerticesFromVertex(col, row, vertexSpec);
foreach (Vertex adjacentVertex in adjacentVertices)
{
if (adjacentVertex.settlement != null)
{
return(false);
}
}
// Check if connected to a road owned by this player
bool validRoadNearby = false;
List <Edge> adjacentEdges = boardGrid.GetAdjacentEdgesFromVertex(col, row, vertexSpec);
foreach (Edge adjacentEdge in adjacentEdges)
{
if (adjacentEdge.road != null)
{
if (adjacentEdge.road.ownerId == player.GetId())
{
validRoadNearby = true;
}
}
}
if (!validRoadNearby && player.freeSettlements <= 0)
{
return(false);
}
// Check if cost requirements met
if (!player.CanAffordResourceTransaction(1, 1, 1, 1, 0) && player.freeSettlements <= 0)
{
return(false);
}
// Check to see if tile contains a building and have enough settlements in store
if (boardGrid.GetVertex(col, row, vertexSpec).settlement == null && player.storeSettlementNum > 0)
{
return(true);
}
else
{
return(false);
}
}