/// <summary>
/// Parsea el string "[-8.00202,-6.87125,0]" y devuelve un array de 3 floats.
/// Sin invertir nada
/// </summary>
/// <param name="text"></param>
/// <returns></returns>
public static float[] parseFloat3Array(string text)
{
string aux = text.Substring(1, text.Length - 2);
string[] n = aux.Split(new char[] { ',' });
return(new float[] { TgcParserUtils.parseFloat(n[0]), TgcParserUtils.parseFloat(n[1]), TgcParserUtils.parseFloat(n[2]) });
}
/// <summary>
/// Parsea el string "[4,2,1]" y devuelve un array de 3 int.
/// Invierte las coordenadas (x,y,z) a (x,z,y), de formato 3DsMAX a DirectX
/// </summary>
/// <param name="text"></param>
/// <returns></returns>
public static int[] parseInt3ArrayAdapted(string text)
{
int[] array = TgcParserUtils.parseInt3Array(text);
int aux = array[1];
array[1] = array[2];
array[2] = aux;
return(array);
}
/// <summary>
/// Parsea el string "[-8.00202,-6.87125,0]" y devuelve un array de 3 floats.
/// Invierte las coordenadas (x,y,z) a (x,z,y), de formato 3DsMAX a DirectX
/// </summary>
/// <param name="text"></param>
/// <returns></returns>
public static float[] parseFloat3ArrayAdapted(string text)
{
float[] array = TgcParserUtils.parseFloat3Array(text);
float aux = array[1];
array[1] = array[2];
array[2] = aux;
return(array);
}
private void parseStandardMaterial(TgcMaterialData material, XmlElement matNode)
{
material.name = matNode.Attributes["name"].InnerText;
material.type = matNode.Attributes["type"].InnerText;
//Valores de Material
string ambientStr = matNode.GetElementsByTagName("ambient")[0].InnerText;
material.ambientColor = TgcParserUtils.parseFloat4Array(ambientStr);
TgcParserUtils.divFloatArrayValues(ref material.ambientColor, 255f);
string diffuseStr = matNode.GetElementsByTagName("diffuse")[0].InnerText;
material.diffuseColor = TgcParserUtils.parseFloat4Array(diffuseStr);
TgcParserUtils.divFloatArrayValues(ref material.diffuseColor, 255f);
string specularStr = matNode.GetElementsByTagName("specular")[0].InnerText;
material.specularColor = TgcParserUtils.parseFloat4Array(specularStr);
TgcParserUtils.divFloatArrayValues(ref material.specularColor, 255f);
string opacityStr = matNode.GetElementsByTagName("opacity")[0].InnerText;
material.opacity = TgcParserUtils.parseFloat(opacityStr) / 100f;
XmlNode alphaBlendEnableNode = matNode.GetElementsByTagName("alphaBlendEnable")[0];
if (alphaBlendEnableNode != null)
{
string alphaBlendEnableStr = alphaBlendEnableNode.InnerText;
material.alphaBlendEnable = bool.Parse(alphaBlendEnableStr);
}
//Valores de Bitmap
XmlNode bitmapNode = matNode.GetElementsByTagName("bitmap")[0];
if (bitmapNode != null)
{
material.fileName = bitmapNode.InnerText;
//TODO: formatear correctamente TILING y OFFSET
string uvTilingStr = bitmapNode.Attributes["uvTiling"].InnerText;
material.uvTiling = TgcParserUtils.parseFloat2Array(uvTilingStr);
string uvOffsetStr = bitmapNode.Attributes["uvOffset"].InnerText;
material.uvOffset = TgcParserUtils.parseFloat2Array(uvOffsetStr);
}
else
{
material.fileName = null;
material.uvTiling = null;
material.uvOffset = null;
}
}
/// <summary>
/// Parsea un flujo continuo de floats de la forma: -74.1818 0.0 1.01613 -49.6512 0.0 1.01613...
/// </summary>
/// <param name="text">flujo de floats</param>
/// <param name="count">cantidad de valores dentro del flujo</param>
/// <returns></returns>
public static float[] parseFloatStream(string text, int count)
{
float[] array = new float[count];
string[] textArray = text.Split(new char[] { ' ' });
for (int i = 0; i < count; i++)
{
array[i] = TgcParserUtils.parseFloat(textArray[i]);
}
return(array);
}
/// <summary>
/// Levanta la informacion del XML
/// </summary>
/// <param name="xmlString">contenido del XML</param>
/// <returns></returns>
public TgcSceneData parseSceneFromString(string xmlString)
{
XmlDocument dom = new XmlDocument();
dom.LoadXml(xmlString);
XmlElement root = dom.DocumentElement;
string sceneName = root.GetElementsByTagName("name")[0].InnerText;
TgcSceneData tgcSceneData = new TgcSceneData();
tgcSceneData.name = sceneName;
//Ver si tiene exportacion de texturas
XmlNode texturesExportNode = root.GetElementsByTagName("texturesExport")[0];
bool texturesExportEnabled = bool.Parse(texturesExportNode.Attributes["enabled"].InnerText);
if (texturesExportEnabled)
{
tgcSceneData.texturesDir = texturesExportNode.Attributes["dir"].InnerText;
}
//Ver si tiene LightMaps
XmlNode lightmapsExportNode = root.GetElementsByTagName("lightmapExport")[0];
tgcSceneData.lightmapsEnabled = bool.Parse(lightmapsExportNode.Attributes["enabled"].InnerText);
if (tgcSceneData.lightmapsEnabled)
{
tgcSceneData.lightmapsDir = lightmapsExportNode.Attributes["dir"].InnerText;
}
//sceneBoundingBox, si está
XmlNodeList sceneBoundingBoxNodes = root.GetElementsByTagName("sceneBoundingBox");
if (sceneBoundingBoxNodes != null && sceneBoundingBoxNodes.Count == 1)
{
XmlNode sceneBoundingBoxNode = sceneBoundingBoxNodes[0];
tgcSceneData.pMin = TgcParserUtils.parseFloat3Array(sceneBoundingBoxNode.Attributes["min"].InnerText);
tgcSceneData.pMax = TgcParserUtils.parseFloat3Array(sceneBoundingBoxNode.Attributes["max"].InnerText);
}
//Parsear Texturas
XmlNodeList materialNodes = root.GetElementsByTagName("materials")[0].ChildNodes;
tgcSceneData.materialsData = new TgcMaterialData[materialNodes.Count];
int i = 0;
foreach (XmlElement matNode in materialNodes)
{
//determinar tipo de Material
TgcMaterialData material = new TgcMaterialData();
material.type = matNode.Attributes["type"].InnerText;
//Standard Material
if (material.type.Equals(TgcMaterialData.StandardMaterial))
{
parseStandardMaterial(material, matNode);
}
//Multi Material
else if (material.type.Equals(TgcMaterialData.MultiMaterial))
{
material.name = matNode.Attributes["name"].InnerText;
XmlNodeList subMaterialsNodes = matNode.GetElementsByTagName("subM");
material.subMaterials = new TgcMaterialData[subMaterialsNodes.Count];
for (int j = 0; j < subMaterialsNodes.Count; j++)
{
TgcMaterialData subMaterial = new TgcMaterialData();
parseStandardMaterial(subMaterial, (XmlElement)subMaterialsNodes[j]);
material.subMaterials[j] = subMaterial;
}
}
tgcSceneData.materialsData[i++] = material;
}
//Parsear Meshes
XmlNodeList meshesNodes = root.GetElementsByTagName("meshes")[0].ChildNodes;
tgcSceneData.meshesData = new TgcMeshData[meshesNodes.Count];
i = 0;
int count;
foreach (XmlElement meshNode in meshesNodes)
{
TgcMeshData meshData = new TgcMeshData();
tgcSceneData.meshesData[i++] = meshData;
//parser y convertir valores
meshData.name = meshNode.Attributes["name"].InnerText;
meshData.materialId = int.Parse(meshNode.Attributes["matId"].InnerText);
meshData.color = TgcParserUtils.parseFloat3Array(meshNode.Attributes["color"].InnerText);
meshData.lightmap = meshNode.Attributes["lightmap"].InnerText;
//type
XmlAttribute typeAttr = meshNode.Attributes["type"];
meshData.instanceType = TgcMeshData.ORIGINAL;
if (typeAttr != null)
{
meshData.instanceType = typeAttr.InnerText;
}
//type
XmlAttribute layerAttr = meshNode.Attributes["layer"];
if (layerAttr != null)
{
meshData.layerName = layerAttr.InnerText;
}
//visibility
float visibility = TgcParserUtils.parseFloat(meshNode.Attributes["visibility"].InnerText);
meshData.alphaBlending = visibility != 1.0f ? true : false;
//parsear boundingBox
XmlNodeList boundingBoxNodes = meshNode.GetElementsByTagName("boundingBox");
if (boundingBoxNodes != null && boundingBoxNodes.Count == 1)
{
XmlNode boundingBoxNode = boundingBoxNodes[0];
meshData.pMin = TgcParserUtils.parseFloat3Array(boundingBoxNode.Attributes["min"].InnerText);
meshData.pMax = TgcParserUtils.parseFloat3Array(boundingBoxNode.Attributes["max"].InnerText);
}
//parsear datos de mesh Original
if (meshData.instanceType.Equals(TgcMeshData.ORIGINAL))
{
//parsear coordinatesIdx
XmlNode coordinatesIdxNode = meshNode.GetElementsByTagName("coordinatesIdx")[0];
count = int.Parse(coordinatesIdxNode.Attributes["count"].InnerText);
meshData.coordinatesIndices = TgcParserUtils.parseIntStream(coordinatesIdxNode.InnerText, count);
//parsear textCoordsIdx
XmlNode textCoordsIdxNode = meshNode.GetElementsByTagName("textCoordsIdx")[0];
count = int.Parse(textCoordsIdxNode.Attributes["count"].InnerText);
meshData.texCoordinatesIndices = TgcParserUtils.parseIntStream(textCoordsIdxNode.InnerText, count);
//parsear colorsIdx
XmlNode colorsIdxNode = meshNode.GetElementsByTagName("colorsIdx")[0];
count = int.Parse(colorsIdxNode.Attributes["count"].InnerText);
meshData.colorIndices = TgcParserUtils.parseIntStream(colorsIdxNode.InnerText, count);
//parsear matIds
//TODO: ver bien como calcula esto el SCRIPT de Exportacion
if (meshData.materialId != -1)
{
XmlNode matIdsNode = meshNode.GetElementsByTagName("matIds")[0];
count = int.Parse(matIdsNode.Attributes["count"].InnerText);
meshData.materialsIds = TgcParserUtils.parseIntStream(matIdsNode.InnerText, count);
}
//parsear textCoordsLightMapIdx
meshData.lightmapEnabled = tgcSceneData.lightmapsEnabled && (meshData.lightmap.Trim()).Length > 0;
if (meshData.lightmapEnabled)
{
XmlNode textCoordsLightMapIdxNode = meshNode.GetElementsByTagName("textCoordsLightMapIdx")[0];
count = int.Parse(textCoordsLightMapIdxNode.Attributes["count"].InnerText);
meshData.texCoordinatesIndicesLightMap = TgcParserUtils.parseIntStream(textCoordsLightMapIdxNode.InnerText, count);
}
//parsear vertices
XmlNode verticesNode = meshNode.GetElementsByTagName("vertices")[0];
count = int.Parse(verticesNode.Attributes["count"].InnerText);
meshData.verticesCoordinates = TgcParserUtils.parseFloatStream(verticesNode.InnerText, count);
//parsear normals
XmlNode normalsNode = meshNode.GetElementsByTagName("normals")[0];
count = int.Parse(normalsNode.Attributes["count"].InnerText);
meshData.verticesNormals = TgcParserUtils.parseFloatStream(normalsNode.InnerText, count);
//parsear texCoords
XmlNode texCoordsNode = meshNode.GetElementsByTagName("texCoords")[0];
count = int.Parse(texCoordsNode.Attributes["count"].InnerText);
meshData.textureCoordinates = TgcParserUtils.parseFloatStream(texCoordsNode.InnerText, count);
//parsear colors
XmlNode colorsNode = meshNode.GetElementsByTagName("colors")[0];
count = int.Parse(colorsNode.Attributes["count"].InnerText);
float[] colorsArray = TgcParserUtils.parseFloatStream(colorsNode.InnerText, count);
//convertir a formato DirectX
meshData.verticesColors = new int[count / 3];
for (int j = 0; j < meshData.verticesColors.Length; j++)
{
meshData.verticesColors[j] = Color.FromArgb(
(int)colorsArray[j * 3],
(int)colorsArray[j * 3 + 1],
(int)colorsArray[j * 3 + 2]).ToArgb();
}
//parsear texCoordsLightMap
if (meshData.lightmapEnabled)
{
XmlNode texCoordsLightMapNode = meshNode.GetElementsByTagName("texCoordsLightMap")[0];
count = int.Parse(texCoordsLightMapNode.Attributes["count"].InnerText);
meshData.textureCoordinatesLightMap = TgcParserUtils.parseFloatStream(texCoordsLightMapNode.InnerText, count);
}
}
//parsear datos de mesh Instancia
else if (meshData.instanceType.Equals(TgcMeshData.INSTANCE))
{
//originalMesh
XmlNode originalMeshNode = meshNode.GetElementsByTagName("originalMesh")[0];
meshData.originalMesh = TgcParserUtils.parseInt(originalMeshNode.InnerText);
//transform
XmlNode transformNode = meshNode.GetElementsByTagName("transform")[0];
meshData.position = TgcParserUtils.parseFloat3Array(transformNode.Attributes["pos"].InnerText);
meshData.rotation = TgcParserUtils.parseFloat4Array(transformNode.Attributes["rotQuat"].InnerText);
meshData.scale = TgcParserUtils.parseFloat3Array(transformNode.Attributes["scale"].InnerText);
}
//Parsear userProperties, si hay
XmlNodeList userPropsNodes = meshNode.GetElementsByTagName("userProps");
if (userPropsNodes != null && userPropsNodes.Count == 1)
{
meshData.userProperties = new Dictionary <string, string>();
XmlElement userPropsNode = (XmlElement)userPropsNodes[0];
foreach (XmlElement prop in userPropsNode.ChildNodes)
{
meshData.userProperties.Add(prop.Name, prop.InnerText);
}
}
}
//Parsear PortalRendering, si hay información
XmlNodeList portalRenderingNodes = root.GetElementsByTagName("portalRendering");
if (portalRenderingNodes != null && portalRenderingNodes.Count == 1)
{
XmlElement portalRenderingNode = (XmlElement)portalRenderingNodes[0];
TgcPortalRenderingParser portalParser = new TgcPortalRenderingParser();
tgcSceneData.portalData = portalParser.parseFromXmlNode(portalRenderingNode);
}
return(tgcSceneData);
}
/// <summary>
/// Carga la escena a partir de un objeto TgcSceneData ya parseado
/// </summary>
/// <param name="sceneData">Objeto con datos de la escena ya parseados</param>
/// <param name="mediaPath">Path a partir del cual hay que buscar los recursos de escena (Texturas, LightMaps, etc.)</param>
/// <returns></returns>
public TgcScene loadScene(TgcSceneData sceneData, string mediaPath)
{
TgcScene tgcScene = new TgcScene(sceneData.name, null);
//Cargar Texturas
TgcSceneLoaderMaterialAux[] materialsArray = new TgcSceneLoaderMaterialAux[sceneData.materialsData.Length];
for (int i = 0; i < sceneData.materialsData.Length; i++)
{
TgcMaterialData materialData = sceneData.materialsData[i];
string texturesPath = mediaPath + sceneData.texturesDir + "\\";
//Crear StandardMaterial
if (materialData.type.Equals(TgcMaterialData.StandardMaterial))
{
materialsArray[i] = createTextureAndMaterial(materialData, texturesPath);
}
//Crear MultiMaterial
else if (materialData.type.Equals(TgcMaterialData.MultiMaterial))
{
TgcSceneLoaderMaterialAux matAux = new TgcSceneLoaderMaterialAux();
materialsArray[i] = matAux;
matAux.subMaterials = new TgcSceneLoaderMaterialAux[materialData.subMaterials.Length];
for (int j = 0; j < materialData.subMaterials.Length; j++)
{
matAux.subMaterials[j] = createTextureAndMaterial(materialData.subMaterials[j], texturesPath);
}
}
}
//Cargar Meshes
for (int i = 0; i < sceneData.meshesData.Length; i++)
{
TgcMeshData meshData = sceneData.meshesData[i];
TgcMesh tgcMesh = null;
//Crear malla original
if (meshData.instanceType.Equals(TgcMeshData.ORIGINAL))
{
//Crear mesh que no tiene Material, con un color simple
if (meshData.materialId == -1)
{
tgcMesh = crearMeshSoloColor(meshData);
}
//Para los que si tienen Material
else
{
//Crear MeshFormat que soporte LightMaps
if (meshData.lightmapEnabled)
{
tgcMesh = crearMeshDiffuseMapLightmap(sceneData, mediaPath, materialsArray, meshData);
}
//Formato de Mesh con Textura pero sin Lightmap
else
{
tgcMesh = crearMeshDiffuseMap(materialsArray, meshData);
}
}
}
//Crear malla instancia
else if (meshData.instanceType.Equals(TgcMeshData.INSTANCE))
{
tgcMesh = crearMeshInstance(meshData, tgcScene.Meshes);
}
//Crear BoundingBox, aprovechar lo que viene del XML o crear uno por nuestra cuenta
if (meshData.pMin != null && meshData.pMax != null)
{
tgcMesh.BoundingBox = new TgcBoundingBox(
TgcParserUtils.float3ArrayToVector3(meshData.pMin),
TgcParserUtils.float3ArrayToVector3(meshData.pMax),
tgcMesh.Position,
tgcMesh.Scale
);
}
else
{
tgcMesh.createBoundingBox();
}
//Cargar layer
tgcMesh.Layer = meshData.layerName;
//Cargar AlphaBlending
tgcMesh.AlphaBlendEnable = meshData.alphaBlending;
//agregar mesh a escena
tgcMesh.Enabled = true;
tgcScene.Meshes.Add(tgcMesh);
//Cargar userProperties, si hay
tgcMesh.UserProperties = meshData.userProperties;
}
//BoundingBox del escenario, utilizar el que viene del XML o crearlo nosotros
if (sceneData.pMin != null && sceneData.pMax != null)
{
tgcScene.BoundingBox = new TgcBoundingBox(
new Vector3(sceneData.pMin[0], sceneData.pMin[1], sceneData.pMin[2]),
new Vector3(sceneData.pMax[0], sceneData.pMax[1], sceneData.pMax[2])
);
}
else
{
List <TgcBoundingBox> boundingBoxes = new List <TgcBoundingBox>();
foreach (TgcMesh mesh in tgcScene.Meshes)
{
boundingBoxes.Add(mesh.BoundingBox);
}
tgcScene.BoundingBox = TgcBoundingBox.computeFromBoundingBoxes(boundingBoxes);
}
//Cargar parte de PortalRendering, solo hay información
if (sceneData.portalData != null)
{
TgcPortalRenderingLoader portalLoader = new TgcPortalRenderingLoader();
tgcScene.PortalRendering = portalLoader.loadFromData(tgcScene, sceneData.portalData);
}
return(tgcScene);
}
