protected override bool IntegrateChild(AssetManager assets, LayoutTreeNode childNode)
{
switch (childNode.Key)
{
case "Path":
#if DEBUG
if (Convert.ToInt32(childNode.KeyExtension) != Path.Count)
Console.WriteLine("LevelBuilder WARNING: Ribbon path points are not in order.");
#endif
Path.Add(ExtendedConvert.ToVector2(childNode.Value));
return true;
case "Start":
Start = Convert.ToSingle(childNode.Value);
return true;
case "End":
End = Convert.ToSingle(childNode.Value);
return true;
case "Loop":
Loop = Convert.ToBoolean(childNode.Value);
return true;
case "Complete":
Complete = Convert.ToBoolean(childNode.Value);
return true;
}
return false;
}
protected override void IntegrationPostprocess(LayoutTreeNode node)
{
if (worldNumber == 0)
Console.WriteLine("LevelBuilder WARNING: A level was built in World 0.");
if (levelNumber == 0)
Console.WriteLine("LevelBuilder WARNING: A 0th level was built.");
}
protected override bool IntegrateChild(AssetManager assets, LayoutTreeNode childNode)
{
if (childNode.Key == "Component")
{
spriteComponent = ExtendedConvert.ToEnum<SpriteComponents>(childNode.Value);
spriteComponentSet = true;
return true;
}
return false;
}
protected override void IntegrationPostprocess(LayoutTreeNode node)
{
if (spriteComponentSet && shape != null)
{
switch (shape)
{
case "Sinusoid":
AnimationCurve = new SineAnimationCurve(spriteComponent, new Sinusoid(amplitude, period, phase, dcOffset));
return;
}
}
}
protected override bool IntegrateChild(AssetManager assets, LayoutTreeNode childNode)
{
switch (childNode.Key)
{
case "Ribbons":
RibbonStorage ribbon = new RibbonStorage();
ribbon.Integrate(null, childNode);
ribbons.Add(ribbon);
return true;
case "World":
worldNumber = Convert.ToInt32(childNode.Value);
return true;
case "Level":
levelNumber = Convert.ToInt32(childNode.Value);
return true;
}
return false;
}
protected override bool IntegrateChild(AssetManager assets, LayoutTreeNode childNode)
{
switch (childNode.Key)
{
case "Shape":
shape = childNode.Value;
return true;
case "Amplitude":
amplitude = Convert.ToSingle(childNode.Value);
return true;
case "Period":
period = Convert.ToSingle(childNode.Value);
return true;
case "Phase":
phase = Convert.ToSingle(childNode.Value);
return true;
case "DCOffset":
dcOffset = Convert.ToSingle(childNode.Value);
return true;
}
return base.IntegrateChild(assets, childNode);
}
/// <summary>
/// Applies a node of a layout tree to this object.
/// </summary>
/// <param name="assets">The AssetManager associated with the game; use null if unused by the tree.</param>
/// <param name="node">The node to apply.</param>
public void Integrate(AssetManager assets, LayoutTreeNode node)
{
IntegrationPreprocess(node);
if (node.KeyExtension == null)
LayoutName = node.Key;
else
LayoutName = node.KeyExtension;
#if DEBUG
//Verify that we're working with the right class
String typeName = GetType().Name;
if (typeName != node.Value)
Console.WriteLine("LayoutEngine WARNING: We were given {0} but expected {1}.", node.Value, typeName);
#endif
foreach (LayoutTreeNode childNode in node.Children)
{
bool success = IntegrateChild(assets, childNode);
#if DEBUG
if (!success)
Console.WriteLine("LayoutEngine WARNING: {0} hasn't been implemented yet.", childNode.Key);
#endif
}
IntegrationPostprocess(node);
}
protected override void IntegrationPreprocess(LayoutTreeNode node)
{
ribbons = new List<RibbonStorage>();
}
protected override bool IntegrateChild(AssetManager assets, LayoutTreeNode childNode)
{
bool orderError = false;
switch (childNode.Key)
{
case "Texture":
sprite = new Sprite(assets.GetAnimatedTexture(childNode.Value));
return true;
case "Position":
if (sprite != null)
{
sprite.Position = ExtendedConvert.ToVector2(childNode.Value);
return true;
}
else
orderError = true;
break;
case "Rotation":
if (sprite != null)
{
sprite.Rotation = Convert.ToSingle(childNode.Value);
return true;
}
else
orderError = true;
break;
case "Scale":
if (sprite != null)
{
sprite.Scale = ExtendedConvert.ToVector2(childNode.Value);
return true;
}
else
orderError = true;
break;
case "Color":
if (sprite != null)
{
sprite.Color = ExtendedConvert.ToColor(childNode.Value);
return true;
}
else
orderError = true;
break;
case "Anchor":
if (sprite != null)
{
sprite.Anchor = ExtendedConvert.ToEnum<Anchor>(childNode.Value);
return true;
}
else
orderError = true;
break;
case "Animation":
if (sprite != null)
{
AnimationCurveElement animationCurve = null;
switch (childNode.Value)
{
case "PeriodicCurve":
animationCurve = new PeriodicAnimationCurveElement();
break;
}
if (animationCurve != null)
{
animationCurve.Integrate(assets, childNode);
if (animationCurve.AnimationCurve != null)
{
sprite.PushAnimationCurve(animationCurve.AnimationCurve);
return true;
}
#if DEBUG
Console.WriteLine("LayoutEngine WARNING: An animation is missing an element.");
return true;
#endif
}
}
else
orderError = true;
break;
}
if (orderError)
{
#if DEBUG
Console.WriteLine("ContextElement WARNING: Tried to set {0}'s {1} field before the Texture was specified.", LayoutName, childNode.Key);
#endif
return true;
}
return false;
}
protected override bool IntegrateChild(AssetManager assets, LayoutTreeNode childNode)
{
bool orderError = false;
switch (childNode.Key)
{
case "Font":
font = assets.GetFont(childNode.Value);
if (text != null)
sprite = new TextSprite(font, text);
return true;
case "Text":
text = childNode.Value;
if (font != null)
sprite = new TextSprite(font, text);
return true;
case "Position":
if (sprite != null)
{
sprite.Position = ExtendedConvert.ToVector2(childNode.Value);
return true;
}
else
orderError = true;
break;
case "Rotation":
if (sprite != null)
{
sprite.Rotation = Convert.ToSingle(childNode.Value);
return true;
}
else
orderError = true;
break;
case "Scale":
if (sprite != null)
{
sprite.Scale = ExtendedConvert.ToVector2(childNode.Value);
return true;
}
else
orderError = true;
break;
case "Color":
if (sprite != null)
{
sprite.Color = ExtendedConvert.ToColor(childNode.Value);
return true;
}
else
orderError = true;
break;
case "Anchor":
if (sprite != null)
{
sprite.Anchor = ExtendedConvert.ToEnum<Anchor>(childNode.Value);
return true;
}
else
orderError = true;
break;
}
if (orderError)
{
#if DEBUG
Console.WriteLine("ContextElement WARNING: Tried to set {0}'s {1} field before the Text and Font were specified.", LayoutName, childNode.Key);
#endif
return true;
}
return false;
}
protected override bool IntegrateChild(AssetManager assets, LayoutTreeNode childNode)
{
switch (childNode.Key)
{
case "BGColor":
BackgroundColor = ExtendedConvert.ToColor(childNode.Value);
return true;
case "Elements":
ContextElement contextElement = ContextHelper.ContextFromName(childNode.Value);
if (contextElement != null)
{
contextElement.SetComponents(this);
contextElement.Integrate(assets, childNode);
elements.Add(contextElement);
return true;
}
break;
}
return false;
}
protected override bool IntegrateChild(AssetManager assets, LayoutTreeNode childNode)
{
switch (childNode.Key)
{
case "Transform":
switch (childNode.Value)
{
case "UITransform":
transform = new UITransform();
return true;
}
break;
case "Elements":
ContextElement contextElement = ContextHelper.ContextFromName(childNode.Value);
if (contextElement != null)
{
contextElement.SetComponents(UnderlyingContext);
contextElement.Integrate(assets, childNode);
elements.Add(contextElement);
return true;
}
break;
}
return false;
}
static void Parse(String sourceString, LayoutTreeNode node)
{
List<String> cSourceStrings = new List<string>();
// Make the child source strings
int bracketLevel = 0;
int startIndex = 0;
int length = 0;
for (int i = 0; i < sourceString.Length; i++)
{
length++;
if (sourceString[i] == '(')
bracketLevel++;
else if (sourceString[i] == ')')
{
// We're about to close the first bracket, so do stuff
if (bracketLevel == 1)
{
cSourceStrings.Add(sourceString.Substring(startIndex, length));
startIndex += length;
length = 0;
}
bracketLevel--;
}
}
if (bracketLevel != 0)
{
#if DEBUG
Console.WriteLine("LayoutEngine WARNING: At least one mismatched bracket found in parent key {0}.", node.Key);
#endif
return;
}
// Parse each child source string
for (int i = 0; i < cSourceStrings.Count; i++)
{
string cSourceString = cSourceStrings[i];
int equals = cSourceString.IndexOf('=');
// Base case: No equals - no key/value
if (equals == -1)
return;
string key = cSourceString.Substring(0, equals);
int leftBracket = cSourceString.IndexOf('(');
int rightBracket = cSourceString.LastIndexOf(')');
if (leftBracket == -1 || rightBracket == -1)
{
#if DEBUG
Console.WriteLine("LayoutEngine WARNING: Key {0} is missing a bracket.", key);
#endif
return;
}
string value = cSourceString.Substring(equals + 1, leftBracket - equals - 1);
LayoutTreeNode currentNode = new LayoutTreeNode(key, value);
node.Children.AddLast(currentNode);
Parse(cSourceString.Substring(leftBracket + 1, rightBracket - leftBracket - 1), currentNode);
}
}
protected override void IntegrationPreprocess(LayoutTreeNode node)
{
elements = new List<ContextElement>();
}
protected override bool IntegrateChild(AssetManager assets, LayoutTreeNode childNode)
{
return false;
}
protected override void IntegrationPreprocess(LayoutTreeNode node)
{
Path = new List<Vector2>();
}
static void SaveNode(LayoutTreeNode node, List<string> strings, string indent)
{
strings.Add(String.Format("{0}{1}{2} = {3}{4}",
indent,
node.Key,
node.KeyExtension != null ? String.Format("[{0}]", node.KeyExtension) : "",
node.Value,
node.Children.Count == 0 ? ";" : ""));
if (node.Children.Count > 0)
{
strings.Add(String.Format("{0}(", indent));
string newIndent = indent + " ";
foreach (LayoutTreeNode n in node.Children)
SaveNode(n, strings, newIndent);
strings.Add(String.Format("{0})", indent));
}
}
/// <summary> /// A method that is called once for every child of the node applied to this object. /// </summary> /// <param name="node">A single child of the node applied to this object.</param> protected abstract bool IntegrateChild(AssetManager assets, LayoutTreeNode childNode);
protected override void IntegrationPostprocess(LayoutTreeNode node)
{
contexts[currentContext].Initialize();
}
protected override bool IntegrateChild(AssetManager assets, LayoutTreeNode childNode)
{
switch (childNode.Key)
{
case "InitialContext":
for (int i = 0; i < contexts.Count; i++)
{
if (contexts[i].LayoutName == childNode.Value)
{
currentContext = i;
return true;
}
}
Console.WriteLine("LayoutEngine WARNING: Couldn't find a context named {0}. Make sure the context has been created first.", childNode.Value);
return true;
case "Contexts":
Context gameContext = new Context();
gameContext.AssetManager = assets;
gameContext.Canvas = canvas;
gameContext.InputController = input;
gameContext.StorageManager = storage;
gameContext.Integrate(assets, childNode);
contexts.Add(gameContext);
return true;
}
return false;
}
protected override void IntegrationPreprocess(LayoutTreeNode node)
{
contexts = new List<Context>(node.Children.Count);
}
/// <summary>
/// An overridable method that is run immediately before a node's children are applied.
/// </summary>
/// <param name="node">The node to be applied to this object.</param>
protected virtual void IntegrationPreprocess(LayoutTreeNode node)
{
}
public static LayoutTree BuildLayout(Text source)
{
int length = source.Length;
StringBuilder processed = new StringBuilder();
for (int i = 0; i < length; i++)
{
String preprocessed = source[i];
// State flags
bool quote = false;
bool array = false;
bool script = false;
bool comment = false;
bool followsRightBracket = false;
// Filter out all non-quote whitespace, turn
// semicolons into empty brackets, and clear comments.
for (int j = 0; j < preprocessed.Length; j++)
{
if (quote && preprocessed[j] != '\"')
{
processed.Append(preprocessed[j]);
continue;
}
switch (preprocessed[j])
{
case '\"':
quote = !quote;
break;
case '[':
array = true;
processed.Append('[');
break;
case ']':
array = false;
processed.Append(']');
break;
case ' ':
break;
case ',':
if (array)
processed.Append(',');
else if (!followsRightBracket)
processed.Append("()");
break;
case ')':
processed.Append("())");
followsRightBracket = true;
break;
case '#':
comment = true;
break;
default:
processed.Append(preprocessed[j]);
followsRightBracket = false;
break;
}
if (comment)
break;
}
#if DEBUG
if (quote)
Console.WriteLine("LayoutEngine WARNING: No matching endquote on line {0}.", i);
#endif
}
// Dummy node because the root has not yet been born
LayoutTreeNode dummy = new LayoutTreeNode("dummy", "dummy");
Parse(processed.ToString(), dummy);
LayoutTree layoutTree = new LayoutTree();
layoutTree.Root = dummy.Children.First.Value;
#if DEBUG
Console.WriteLine("------------\r\n" + layoutTree.RepresentativeString + "------------");
if (dummy.Children.Count > 1)
Console.WriteLine("LayoutEngine WARNING: {0} top-level nodes found... the last {1} will be ignored.", dummy.Children.Count, dummy.Children.Count - 1);
#endif
return layoutTree;
}
