public IEnumerator Evaluate(GameLevel gameLevel, int loopDepth, LevelLoop parentLoop)
{
// Main loop should always break out immediately upon finishing.
if (!gameLevel.MainLoop.ShouldContinue(gameLevel))
{
gameLevel.CompleteLevel();
yield break;
}
switch (this.Type)
{
case LoopType.Do:
do
{
yield return(EvaluateChildren(gameLevel, loopDepth, this));
}while (ShouldContinue(gameLevel));
yield break;
case LoopType.For:
for (this.Iterator = 0; ShouldContinue(gameLevel); this.Iterator++)
{
yield return(EvaluateChildren(gameLevel, loopDepth, this));
}
yield break;
case LoopType.While:
while (ShouldContinue(gameLevel))
{
yield return(EvaluateChildren(gameLevel, loopDepth, this));
}
yield break;
case LoopType.If:
if (ShouldContinue(gameLevel))
{
yield return(EvaluateChildren(gameLevel, loopDepth, this));
}
yield break;
case LoopType.None:
yield return(EvaluateChildren(gameLevel, loopDepth, this));
yield break;
}
gameLevel.UpdateLevelCode();
}
private IEnumerator EvaluateChildren(GameLevel gameLevel, int loopDepth, LevelLoop parentLoop)
{
// Main loop should always break out immediately upon finishing.
if (!gameLevel.MainLoop.ShouldContinue(gameLevel))
{
gameLevel.CompleteLevel();
yield break;
}
foreach (CodeStatement statement in this.Statements)
{
yield return(statement.Evaluate(gameLevel));
}
foreach (LevelLoop nestedLoop in this.NestedLoops)
{
yield return(nestedLoop.Evaluate(gameLevel, loopDepth + 1, parentLoop));
}
gameLevel.UpdateLevelCode();
yield return(null);
}
public string ToCode(GameLevel gameLevel, int loopDepth, LevelLoop parentLoop)
{
void GetScopeColor(bool breaks, StringBuilder stringBuilder)
{
// Determine color of loop code.
string colorCode = "#0F0";
if (breaks)
{
switch (this.Type)
{
case LoopType.None:
case LoopType.Do:
if (parentLoop != null &&
parentLoop.ShouldContinue(gameLevel))
{
colorCode = "#FF0";
}
else
{
colorCode = "#F00";
}
break;
case LoopType.For:
case LoopType.While:
case LoopType.If:
colorCode = "#F00";
break;
}
}
stringBuilder.Append($"<color={colorCode}>");
}
bool breakConditionMet = !ShouldContinue(gameLevel);
StringBuilder code = new StringBuilder();
if (parentLoop != null &&
parentLoop.ShouldContinue(gameLevel) &&
gameLevel.MainLoop.ShouldContinue(gameLevel))
{
GetScopeColor(breaks: breakConditionMet, stringBuilder: code);
}
// Determine how much to indent the loop code.
string indentTab = "";
for (int i = 0; i < loopDepth; i++)
{
indentTab += GameLevel.IndentString;
}
// Text for beginning of loop.
switch (this.Type)
{
case LoopType.Do:
code.Append("do\n")
.Append("{\n");
break;
case LoopType.While:
code.Append($"while ({this.BreakCondition.ToString(gameLevel)})\n")
.Append("{\n");
break;
case LoopType.For:
string iterator = ((char)(104 + loopDepth)).ToString(); // Starts at i
code.Append($"for ({iterator} = 0; {this.BreakCondition.ToString(gameLevel, iterator)}; {iterator}++)\n")
.Append("{\n");
break;
case LoopType.If:
code.Append($"if ({this.BreakCondition.ToString(gameLevel)})\n")
.Append("{\n");
break;
}
// Fill loop body with statements.
foreach (CodeStatement statement in this.Statements)
{
// Hack, first loop doesn't indent statements like it should.
string extraIndent = loopDepth == 0
? GameLevel.IndentString
: indentTab;
code.Append($"{extraIndent}{statement.ToCode()}\n");
}
// Add additional line between statements and any nested loops.
if (this.Statements.Count > 0 &&
this.NestedLoops.Count > 0)
{
code.Append("\n");
}
// Create code for nested loops.
foreach (LevelLoop nestedLoop in this.NestedLoops)
{
code.Append($"{nestedLoop.ToCode(gameLevel, loopDepth + 1, this)}\n");
}
// End of loop.
GetScopeColor(breaks: breakConditionMet, stringBuilder: code);
if (this.Type == LoopType.Do &&
this.BreakCondition != null)
{
code.Append("} while (" + this.BreakCondition.ToString(gameLevel) + ")");
}
else if (this.Type == LoopType.None)
{
}
else
{
code.Append("}");
}
code.Append("</color>");
// Apply indent to each line.
string[] codeLines = code.ToString().Split('\n');
for (int i = 0; i < codeLines.Length; i++)
{
codeLines[i] = indentTab + codeLines[i];
}
// Final code.
string result = string.Join("\n", codeLines);
if (parentLoop != null &&
!parentLoop.ShouldContinue(gameLevel))
{
result += "</color>";
}
return(result);
}
