// 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);
}
}
/**
* Obtain a world coordinate for a vertex from a grid coordinate.
*/
public Vector3 GetPositionOfVertexCoordinate(int col, int row, BoardGrid.VertexSpecifier vertexSpec)
{
Vector3 pos = GetPositionOfFaceCoordinate(col, row);
switch (vertexSpec)
{
case BoardGrid.VertexSpecifier.L:
pos = pos + new Vector3(-gridHeight / 2, 0, 0.28f * gridHeight);
break;
case BoardGrid.VertexSpecifier.R:
pos = pos + new Vector3(gridHeight / 2, 0, -0.28f * gridHeight);
break;
}
return(pos);
}
/**
* Can only place cities the player has the resources, and only to upgrade an existing settlement.
*/
public bool CanPlaceCity(Player player, int col, int row, BoardGrid.VertexSpecifier vertexSpec)
{
// Check if cost requirements met (there is no such thing as a free city)
if (!player.CanAffordResourceTransaction(0, 0, 2, 0, 3))
{
return(false);
}
Vertex vertex = boardGrid.GetVertex(col, row, vertexSpec);
// Check to see if vertex contains a settlement and have enough cities in store
if (vertex.settlement != null && !vertex.settlement.isCity && vertex.settlement.ownerId.Equals(player.GetId()) && player.storeCityNum > 0) // If it is this player's settlement
{
return(true);
}
else
{
return(false);
}
}
