public AIMap(int width, int height, float horizontalSpan, float verticalSpan)
{
this.HorizontalSpan = horizontalSpan;
this.VerticalSpan = verticalSpan;
this.width = width;
this.height = height;
Vector3 startEdge = new Vector3();
startEdge.X = this.HorizontalSpan * -0.5f; // graphicsDevice.Viewport.Width * 0.5f;
startEdge.Y = this.VerticalSpan * -0.5f;// graphicsDevice.Viewport.Height * 0.5f;
float horizontalStep = (float)(this.HorizontalSpan / width);
float verticalStep = (float)(this.VerticalSpan / height);
nodes = new AINode[width, height];
for (int iWidth = 0; iWidth < width; iWidth++)
{
for (int iHeight = 0; iHeight < height; iHeight++)
{
AINode newNode = new AINode();
newNode.Parent = this;
newNode.Type = 1;// +iWidth;// / (iHeight + 1);
newNode.X = iWidth;
newNode.Y = iHeight;
newNode.Position = new Vector3(
startEdge.X + horizontalStep * (float)iWidth,
startEdge.Y + verticalStep * (float)iHeight,
0);
nodes[iWidth, iHeight] = newNode;
}
} // next iWidth
}
/// <summary>
/// Every time an actor changes its position, it remembers all map's nodes
/// he is in.
/// </summary>
public void UpdateLocationData()
{
// 1. remove itself from all previous AINodes
for (int index = 0; index < nodesIamIn.Count; index++)
{
// remove myself from AINode I was registered previously
nodesIamIn[index].Actors.Remove(this);
}
nodesIamIn.Clear();
// 2. add itself to all
// - get distance from the center of a map,
// - extract x and y components,
// - for each component calculate row and col
Vector3 vDistanceFromMapCenter = this.position - map.Position;
float xComponent = (vDistanceFromMapCenter.X / (map.HorizontalSpan / ((float)map.Width )));
float yComponent = (vDistanceFromMapCenter.Y / (map.VerticalSpan / ((float)map.Height )));
xComponent = (map.Width * 0.5f) + xComponent + 0.5f ;
yComponent = (map.Height * 0.5f) + yComponent +0.5f;
debugX = (int)xComponent;
debugY = (int)yComponent;
int indexX = (int)xComponent;
int indexY = (int)yComponent;
AINode desiredNode = map.Node(indexX, indexY);
// am I out of map?
desiredNode.Actors.Add(this);
nodesIamIn.Add(desiredNode);
}
public AIEdge(AINode startNode, AINode endNode)
{
this.startNode = startNode;
this.endNode = endNode;
}
