private static bool DrawSubGridHandle(SubGrid subGrid, SubGrid activeSubGrid, Color subGridColor)
{
Vector2Int subGridOriginPosition = subGrid.GetOriginCoordinate();
Vector3 subGridWorldPosition = subGrid.GetNavGrid().GetOriginWorldPosition() + new Vector3(subGridOriginPosition.x, 0, subGridOriginPosition.y);
Vector3[] vertexs =
{
subGridWorldPosition, //Bottom-Left
subGridWorldPosition + new Vector3(subGrid.Width, 0, 0), //Bottom-Right
subGridWorldPosition + new Vector3(subGrid.Width, 0, subGrid.Height), //Top-Right
subGridWorldPosition + new Vector3(0, 0, subGrid.Height) //Top-Left
};
Handles.DrawSolidRectangleWithOutline(vertexs, subGridColor, Color.black);
if (subGrid.Equals(activeSubGrid))
{
return(false);
}
float centerX = vertexs[0].x + ((vertexs[1].x - vertexs[0].x) / 2f);
float centerZ = vertexs[0].z + ((vertexs[3].z - vertexs[0].z) / 2f);
Vector3 centerPosition = new Vector3(centerX, vertexs[0].y, centerZ);
float buttonSize = 6f;
if (Handles.Button(centerPosition, Quaternion.LookRotation(Vector3.up), buttonSize, buttonSize, Handles.RectangleHandleCap))
{
return(true);
}
return(false);
}
//Divides the provided subgrid using the provided devisions
private static List <SubGrid> DivideSubGrid(SubGrid currentSubGrid, NavGrid navGrid, Vector2 divisions)
{
int width = currentSubGrid.Width;
int height = currentSubGrid.Height;
List <SubGrid> newSubGrids = new List <SubGrid>();
float widthDivisions = divisions.x;
float heightDivisions = divisions.y;
Vector2Int originCoordinate = currentSubGrid.GetOriginCoordinate();
Vector2Int currentCoordinate = originCoordinate;
int xSize = Mathf.CeilToInt(width / widthDivisions);
int ySize = Mathf.CeilToInt(height / heightDivisions);
for (int y = 0; y < heightDivisions; y++)
{
//Correct ySize on the final row
if (y == heightDivisions - 1)
{
ySize = height - Mathf.RoundToInt(currentCoordinate.y - originCoordinate.y);
}
currentCoordinate.x = originCoordinate.x;
for (int x = 0; x < widthDivisions; x++)
{
SubGrid newSubGrid;
//Correct xSize on the final column
if (x == widthDivisions - 1)
{
newSubGrid = new SubGrid(navGrid, currentSubGrid, currentCoordinate, width - Mathf.RoundToInt(currentCoordinate.x - originCoordinate.x), ySize);
}
else
{
newSubGrid = new SubGrid(navGrid, currentSubGrid, currentCoordinate, xSize, ySize);
}
currentSubGrid.AddChildSubGrid(newSubGrid);
newSubGrids.Add(newSubGrid);
currentCoordinate.x += xSize;
}
currentCoordinate.y += ySize;
}
return(newSubGrids);
}
private void DrawNodeHandles(NavGridTool tool, SubGrid subGrid)
{
float NODE_SIZE = 0.45f;
NavGrid navGrid = subGrid.GetNavGrid();
Vector2Int subGridOriginPosition = subGrid.GetOriginCoordinate();
Vector3 subGridWorldPosition = navGrid.GetOriginWorldPosition() + new Vector3(subGridOriginPosition.x, 0, subGridOriginPosition.y);
int width = subGrid.Width;
int height = subGrid.Height;
//Draw each node
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
Vector2Int nodeCoordinates =
new Vector2Int(
subGridOriginPosition.x + x,
subGridOriginPosition.y + y
);
Handles.color = tool.ChooseNodeColor(nodeCoordinates);
if (currentMode == Mode.EDIT)
{
//Draw nodes as buttons and watch for input
if (Handles.Button(subGridWorldPosition + new Vector3(x, 0, y), Quaternion.LookRotation(Vector3.up), NODE_SIZE, NODE_SIZE, Handles.CubeHandleCap))
{
HandleNodeClick(subGrid, nodeCoordinates);
}
}
}
}
}