/// <summary>
/// Determine the starting position for the specified entity in the specified forest.
/// </summary>
/// <param name="forest"></param>
/// <param name="entity"></param>
protected virtual ForestEntity DetermineStartLocation(Forest forest, ForestEntity entity)
{
// Probably not the best algorithm.. potential for infinite loop if the forest is
// already full.
do
{
int x = r.Next(forest.Width),
y = r.Next(forest.Height);
// Look for an existing entity in the chosen random position.
ForestEntity existingInPosition = forest.GetEntityAtPosition(x, y);
if (existingInPosition == null || existingInPosition.IsEmpty)
{
// If position is empty, assign it and return.
entity.Location = new System.Drawing.Point(x, y);
return(entity);
}
}while (true);
}
/// <summary>
/// Draw the forest to the specified graphics surface.
/// </summary>
/// <param name="g"></param>
public void Draw(Graphics g)
{
float pX = 0, pY = 0;
long monthsRun = _forest.GetMonths(),
yearsRun = monthsRun / Forest.YEAR_LENGTH;
monthsRun = monthsRun % Forest.YEAR_LENGTH + 1;
string timeMsg = string.Format("Year: {0}, Month: {1}", yearsRun, monthsRun);
SizeF txtSize = g.MeasureString(timeMsg, _txtFont);
g.DrawString(timeMsg,
_txtFont,
Brushes.Black,
pX, pY);
pY += txtSize.Height;
for (int x = 0; x < _forest.Width; x++)
{
for (int y = 0; y < _forest.Height; y++)
{
Color c;
ForestEntity entity = _forest.GetEntityAtPosition(x, y);
c = entity.Color;
RectangleF bounds = new RectangleF(
pX + x * SQUARE_SCALE,
pY + y * SQUARE_SCALE,
1 * SQUARE_SCALE,
1 * SQUARE_SCALE);
using (SolidBrush brush = new SolidBrush(c))
g.FillRectangle(brush, bounds);
g.DrawRectangle(Pens.Black, bounds.X, bounds.Y, bounds.Width, bounds.Height);
}
}
}