/// <summary>
/// Carga una animación a un modelo ya cargado, a partir del string del XML.
/// La animación se agrega al modelo.
/// </summary>
/// <param name="mesh">Modelo ya cargado</param>
/// <param name="xmlString">contenido del XML</param>
public TgcKeyFrameAnimation loadAnimationFromString(TgcKeyFrameMesh mesh, string xmlString)
{
TgcKeyFrameParser parser = new TgcKeyFrameParser();
TgcKeyFrameAnimationData animationData = parser.parseAnimationFromString(xmlString);
return(loadAnimation(mesh, animationData));
}
/// <summary>
/// Levanta la informacion de una animacion a partir del XML
/// </summary>
/// <param name="xmlString">Contenido que el XML</param>
public TgcKeyFrameAnimationData parseAnimationFromString(string xmlString)
{
XmlDocument dom = new XmlDocument();
dom.LoadXml(xmlString);
XmlElement root = dom.DocumentElement;
TgcKeyFrameAnimationData animation = new TgcKeyFrameAnimationData();
//Parsear informacion general de animation
XmlElement animationNode = (XmlElement)root.GetElementsByTagName("animation")[0];
animation.name = animationNode.Attributes["name"].InnerText;
animation.verticesCount = int.Parse(animationNode.Attributes["verticesCount"].InnerText);
animation.framesCount = int.Parse(animationNode.Attributes["framesCount"].InnerText);
animation.keyFramesCount = int.Parse(animationNode.Attributes["keyFramesCount"].InnerText);
animation.frameRate = int.Parse(animationNode.Attributes["frameRate"].InnerText);
animation.startFrame = int.Parse(animationNode.Attributes["startFrame"].InnerText);
animation.endFrame = int.Parse(animationNode.Attributes["endFrame"].InnerText);
//Parsear boundingBox, si esta
XmlNodeList boundingBoxNodes = animationNode.GetElementsByTagName("boundingBox");
if (boundingBoxNodes != null && boundingBoxNodes.Count == 1)
{
XmlNode boundingBoxNode = boundingBoxNodes[0];
animation.pMin = TgcParserUtils.parseFloat3Array(boundingBoxNode.Attributes["min"].InnerText);
animation.pMax = TgcParserUtils.parseFloat3Array(boundingBoxNode.Attributes["max"].InnerText);
}
XmlNodeList frameNodes = animationNode.GetElementsByTagName("frame");
animation.keyFrames = new TgcKeyFrameFrameData[frameNodes.Count];
int i = 0;
foreach (XmlElement frameNode in frameNodes)
{
TgcKeyFrameFrameData frame = new TgcKeyFrameFrameData();
int frameNumber = (int)TgcParserUtils.parseFloat(frameNode.Attributes["time"].InnerText);
frame.relativeTime = (float)frameNumber / animation.framesCount;
//parsear vertices
frame.verticesCoordinates = TgcParserUtils.parseFloatStream(frameNode.InnerText, animation.verticesCount);
animation.keyFrames[i++] = frame;
}
return(animation);
}
/// <summary>
/// Devuelve el cuadro actual de animacion
/// </summary>
/// <returns></returns>
private int getCurrentFrame()
{
float position = currentTime / animationTimeLenght;
TgcKeyFrameAnimationData data = currentAnimation.Data;
for (int i = 0; i < data.keyFrames.Length; i++)
{
if (position < data.keyFrames[i].relativeTime)
{
return(i - 1);
}
}
return(data.keyFrames.Length - 2);
}
/// <summary>
/// Levanta la informacion de una animacion a partir del XML
/// </summary>
/// <param name="xmlString">Contenido que el XML</param>
public TgcKeyFrameAnimationData parseAnimationFromString(string xmlString)
{
XmlDocument dom = new XmlDocument();
dom.LoadXml(xmlString);
XmlElement root = dom.DocumentElement;
TgcKeyFrameAnimationData animation = new TgcKeyFrameAnimationData();
//Parsear informacion general de animation
XmlElement animationNode = (XmlElement)root.GetElementsByTagName("animation")[0];
animation.name = animationNode.Attributes["name"].InnerText;
animation.verticesCount = int.Parse(animationNode.Attributes["verticesCount"].InnerText);
animation.framesCount = int.Parse(animationNode.Attributes["framesCount"].InnerText);
animation.keyFramesCount = int.Parse(animationNode.Attributes["keyFramesCount"].InnerText);
animation.frameRate = int.Parse(animationNode.Attributes["frameRate"].InnerText);
animation.startFrame = int.Parse(animationNode.Attributes["startFrame"].InnerText);
animation.endFrame = int.Parse(animationNode.Attributes["endFrame"].InnerText);
//Parsear boundingBox, si esta
XmlNodeList boundingBoxNodes = animationNode.GetElementsByTagName("boundingBox");
if (boundingBoxNodes != null && boundingBoxNodes.Count == 1)
{
XmlNode boundingBoxNode = boundingBoxNodes[0];
animation.pMin = TgcParserUtils.parseFloat3Array(boundingBoxNode.Attributes["min"].InnerText);
animation.pMax = TgcParserUtils.parseFloat3Array(boundingBoxNode.Attributes["max"].InnerText);
}
XmlNodeList frameNodes = animationNode.GetElementsByTagName("frame");
animation.keyFrames = new TgcKeyFrameFrameData[frameNodes.Count];
int i = 0;
foreach (XmlElement frameNode in frameNodes)
{
TgcKeyFrameFrameData frame = new TgcKeyFrameFrameData();
int frameNumber = (int)TgcParserUtils.parseFloat(frameNode.Attributes["time"].InnerText);
frame.relativeTime = (float)frameNumber / animation.framesCount;
//parsear vertices
frame.verticesCoordinates = TgcParserUtils.parseFloatStream(frameNode.InnerText, animation.verticesCount);
animation.keyFrames[i++] = frame;
}
return animation;
}
/// <summary>
/// Carga una animación a un modelo ya cargado, a partir de un objeto TgcKeyFrameAnimationData ya parseado
/// La animación se agrega al modelo.
/// </summary>
/// <param name="mesh">Modelo ya cargado</param>
/// <param name="animationData">Objeto de animacion con datos ya cargados</param>
public TgcKeyFrameAnimation loadAnimation(TgcKeyFrameMesh mesh, TgcKeyFrameAnimationData animationData)
{
//BoundingBox de la animación, aprovechar lo que viene en el XML o utilizar el de la malla estática
TgcBoundingBox boundingBox = null;
if (animationData.pMin != null && animationData.pMax != null)
{
boundingBox = new TgcBoundingBox(
TgcParserUtils.float3ArrayToVector3(animationData.pMin),
TgcParserUtils.float3ArrayToVector3(animationData.pMax));
}
else
{
boundingBox = mesh.BoundingBox;
}
TgcKeyFrameAnimation animation = new TgcKeyFrameAnimation(animationData, boundingBox);
mesh.Animations.Add(animationData.name, animation);
return animation;
}
/// <summary>
/// Carga una animación a un modelo ya cargado, a partir de un objeto TgcKeyFrameAnimationData ya parseado
/// La animación se agrega al modelo.
/// </summary>
/// <param name="mesh">Modelo ya cargado</param>
/// <param name="animationData">Objeto de animacion con datos ya cargados</param>
public TgcKeyFrameAnimation loadAnimation(TgcKeyFrameMesh mesh, TgcKeyFrameAnimationData animationData)
{
//BoundingBox de la animación, aprovechar lo que viene en el XML o utilizar el de la malla estática
TgcBoundingBox boundingBox = null;
if (animationData.pMin != null && animationData.pMax != null)
{
boundingBox = new TgcBoundingBox(
TgcParserUtils.float3ArrayToVector3(animationData.pMin),
TgcParserUtils.float3ArrayToVector3(animationData.pMax));
}
else
{
boundingBox = mesh.BoundingBox;
}
TgcKeyFrameAnimation animation = new TgcKeyFrameAnimation(animationData, boundingBox);
mesh.Animations.Add(animationData.name, animation);
return(animation);
}
public TgcKeyFrameAnimation(TgcKeyFrameAnimationData data, TgcBoundingBox boundingBox)
{
this.data = data;
this.boundingBox = boundingBox;
}
public TgcKeyFrameAnimation(TgcKeyFrameAnimationData data, TgcBoundingBox boundingBox)
{
this.data = data;
this.boundingBox = boundingBox;
}
