public Square(ControlNode TL, ControlNode TR, ControlNode BR, ControlNode BL)
{
this.TL = TL;
this.TR = TR;
this.BL = BL;
this.BR = BR;
this.L = BL.above;
this.T = TL.right;
this.R = BR.above;
this.B = BL.right;
if (TL.isActive)
{
configuration += 8;
}
if (TR.isActive)
{
configuration += 4;
}
if (BL.isActive)
{
configuration += 1;
}
if (BR.isActive)
{
configuration += 2;
}
}
public SquareGrid(float[,] map, float squareSize)
{
//Init
int nodeCountX = map.GetLength(0);
int nodeCountZ = map.GetLength(1);
float halfMapWidthX = nodeCountX * squareSize * 0.5f;
float halfMapWidthZ = nodeCountZ * squareSize * 0.5f;
float halfSquareSize = squareSize * 0.5f;
//Step 1. Create the control nodes which have a position and a state if they are active or not
//These can be reused between squares, so better to create them once from a memory perspective
ControlNode[,] controlNodes = new ControlNode[nodeCountX, nodeCountZ];
for (int x = 0; x < nodeCountX; x++)
{
for (int z = 0; z < nodeCountZ; z++)
{
//Center the map around (0,0)
float xPos = -halfMapWidthX + x * squareSize + halfSquareSize;
float zPos = -halfMapWidthZ + z * squareSize + halfSquareSize;
MyVector2 pos = new MyVector2(xPos, zPos);
bool isActive = map[x, z] >= 1f - Mathf.Epsilon;
controlNodes[x, z] = new ControlNode(pos, isActive, squareSize, map[x, z]);
}
}
//Step 2. Create the squares which consists of 4 control nodes, so there will be 1 less square than nodes
squares = new Square[nodeCountX - 1, nodeCountZ - 1];
for (int x = 0; x < nodeCountX - 1; x++)
{
for (int z = 0; z < nodeCountZ - 1; z++)
{
//The control nodes were created from BL
ControlNode BL = controlNodes[x + 0, z + 0];
ControlNode BR = controlNodes[x + 1, z + 0];
ControlNode TR = controlNodes[x + 1, z + 1];
ControlNode TL = controlNodes[x + 0, z + 1];
squares[x, z] = new Square(TL, TR, BR, BL);
}
}
}
