/// <summary>
/// Prompts the user with a file dialog to select an existing map file.
/// </summary>
private void ButtonLoad_Click(object sender, EventArgs e)
{
// Declare temporary variables
OpenFileDialog openFileDialog;
// Initialize temporary variables
openFileDialog = new OpenFileDialog();
// Title the dialog
openFileDialog.Title = "Open a level file.";
// Filter files
openFileDialog.Filter = "Level Files | *.level";
// Show the dialog & get result
DialogResult result = openFileDialog.ShowDialog();
// If they load a file, open the editor form
if (result == DialogResult.OK)
{
// Load in player data
FileStream inStream = null;
StreamReader input = null;
try
{
// Open file for reading
inStream = File.OpenRead(openFileDialog.FileName);
input = new StreamReader(inStream);
// Read first lines for width and height data
String line = input.ReadLine();
String[] mapDetails = line.Split(',');
mapHeight = int.Parse(mapDetails[0]);
mapWidth = int.Parse(mapDetails[1]);
}
catch (Exception ex)
{
Console.WriteLine($"Error loading in data: {ex.Message}");
}
finally
{
if (input != null)
{
// Close the stream
input.Close();
}
else if (inStream != null)
{
// File opening may have failed
inStream.Close();
}
}
EditorForm editorForm = new EditorForm(mapHeight, mapWidth, openFileDialog.FileName);
editorForm.ShowDialog();
}
}
/// <summary>
/// Loads the files into the map.
/// </summary>
private void MapLoad()
{
if (fileName != null)
{
// Load in player data
FileStream inStream = null;
StreamReader input = null;
try
{
// Open file for reading
inStream = File.OpenRead(fileName);
input = new StreamReader(inStream);
// Read first lines for width and height data
String line = input.ReadLine();
String[] mapDetails = line.Split(',');
int loadHeight = int.Parse(mapDetails[0]);
int loadWidth = int.Parse(mapDetails[1]);
// Load new canvas if size does not match
if (loadHeight != height || loadWidth != width)
{
// Close stream
if (input != null)
{
// Close the stream
input.Close();
}
else if (inStream != null)
{
// File opening may have failed
inStream.Close();
}
// Close form
this.Close();
// Create new form
EditorForm editorForm = new EditorForm(loadHeight, loadWidth, fileName);
editorForm.Show();
return;
}
// Array for colors
List <int> colorData = new List <int>(loadHeight * loadWidth);
// Read remaining lines and add to list
line = null;
while ((line = input.ReadLine()) != null)
{
colorData.Add(int.Parse(line));
}
// Paint the loaded file
for (int i = 0; i < colorData.Count; i++)
{
pictureBoxes[i].BackColor = Color.FromArgb(colorData[i]);
}
this.Text = $"Level Editor - {fileName}";
// Alert a successful load
MessageBox.Show(
"File loaded successfully",
"File Loaded",
MessageBoxButtons.OK,
MessageBoxIcon.Information);
}
catch
{
// Alert an unsuccessful load
MessageBox.Show(
"Corrupted file!",
"Error Loading File",
MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
finally
{
if (input != null)
{
// Close the stream
input.Close();
}
else if (inStream != null)
{
// File opening may have failed
inStream.Close();
}
}
}
}
// Methods
/// <summary>
/// Creates a new map for the user to draw on.
/// </summary>
private void ButtonCreate_Click(object sender, EventArgs e)
{
// Declare temporary variables
string errorHeight;
string errorWidth;
// Initialize temporary variables
errorHeight = null;
errorWidth = null;
// Check height to see if it's an integer
if (!int.TryParse(textHeight.Text, out mapHeight))
{
errorHeight = "- Height was not an integer.";
}
// Check width to see if it's an integer
if (!int.TryParse(textWidth.Text, out mapWidth))
{
errorWidth = "- Width was not an integer.";
}
// Check height to see if it's within the range
if (errorHeight == null)
{
if (mapHeight < 10)
{
errorHeight = "- Height was too small. Minimum is 10";
}
else if (mapHeight > 30)
{
errorHeight = "- Height was too large. Maximum is 30";
}
}
// Check width to see if it's within the range
if (errorWidth == null)
{
if (mapWidth < 10)
{
errorWidth = "- Width was too small. Minimum is 10";
}
else if (mapWidth > 30)
{
errorWidth = "- Width was too large. Maximum is 30";
}
}
// If there are errors, present them to the user
if (errorHeight != null || errorWidth != null)
{
MessageBox.Show(
$"Errors:\n{errorWidth}\n{errorHeight}",
"Error creating map",
MessageBoxButtons.OK,
MessageBoxIcon.Error);
return;
}
// If there are no errors, create the map
EditorForm editorForm = new EditorForm(mapHeight, mapWidth);
editorForm.ShowDialog();
}