public static LevelGrid Copy(this ILevelGrid level)
{
var copy = new LevelGrid(level.Width, level.Height);
for (int x = 0; x < level.Width; ++x)
{
for (int y = 0; y < level.Height; ++y)
{
copy.SetElement(x, y, level.GetElement(x, y));
}
}
return(copy);
}
public static LevelGrid FromString(string levelString)
{
if (string.IsNullOrWhiteSpace(levelString))
{
return(null);
}
var lines = levelString.Split(new string[] { Environment.NewLine, "\n" }, StringSplitOptions.RemoveEmptyEntries);
int longestLength = lines.Max(s => s.Length);
//use the longest line and line count as level dimensions
LevelGrid level = new LevelGrid(longestLength, lines.Length);
int y = level.Height - 1;
foreach (string sLine in lines)
{
int x = 0;
//each character is a grid element
foreach (char symbol in sLine)
{
ElementType type = ElementType.Floor;
switch (symbol)
{
case '#': type = ElementType.Wall; break;
case '-': type = ElementType.Floor; break;
case '@': type = ElementType.Man; break;
case '$': type = ElementType.Box; break;
case '.': type = ElementType.Goal; break;
case '*': type = ElementType.BoxOnGoal; break;
case '+': type = ElementType.ManOnGoal; break;
}
;
level.SetElement(x, y, type);
++x;
}
--y;
}
return(level);
}
public static void MovePlayer(this LevelGrid level, Point oldPos, Point newPos)
{
ElementType type = level.GetElement(oldPos);
switch (type)
{
case ElementType.Man: level.SetElement(oldPos, ElementType.Floor); break;
case ElementType.ManOnGoal: level.SetElement(oldPos, ElementType.Goal); break;
default: return;
}
ElementType type2 = level.GetElement(newPos);
switch (type2)
{
case ElementType.Floor: level.SetElement(newPos, ElementType.Man); break;
case ElementType.Goal: level.SetElement(newPos, ElementType.ManOnGoal); break;
default: return;
}
}
public static void MoveBox(this LevelGrid level, Point oldPos, Point newPos)
{
var type = level.GetElement(oldPos);
switch (type)
{
case ElementType.Box: level.SetElement(oldPos, ElementType.Floor); break;
case ElementType.BoxOnGoal: level.SetElement(oldPos, ElementType.Goal); break;
default: return;
}
var type2 = level.GetElement(newPos);
switch (type2)
{
case ElementType.Floor: level.SetElement(newPos, ElementType.Box); break;
case ElementType.Goal: level.SetElement(newPos, ElementType.BoxOnGoal); break;
default: return;
}
}
public LevelLogic(LevelGrid level)
{
levelStates.Add(level);
SetPlayerPos();
}
public static void SetElement(this LevelGrid level, Point position, ElementType type)
{
level.SetElement(position.X, position.Y, type);
}