// <MeshSystem asset_name="dude.fbx" asset_info="null" mesh_system_version="1" mesh_system_asset_version="0">
/// <summary>
///
/// </summary>
/// <param name="xElement"></param>
/// <returns></returns>
public static EZMMeshSystem Parse(System.Xml.Linq.XElement xElement)
{
EZMMeshSystem result = null;
if (xElement.Name == "MeshSystem")
{
result = new EZMMeshSystem();
{
var attr = xElement.Attribute("asset_name");
if (attr != null)
{
result.AssetName = attr.Value;
}
}
{
var attr = xElement.Attribute("asset_info");
if (attr != null)
{
result.AssetInfo = attr.Value;
}
}
{
var attr = xElement.Attribute("mesh_system_version");
if (attr != null)
{
result.Version = attr.Value;
}
}
{
var attr = xElement.Attribute("mesh_system_asset_version");
if (attr != null)
{
result.AssetVersion = attr.Value;
}
}
{
var skeletionRoot = xElement.Element("Skeletons");
if (skeletionRoot != null)
{
var xSkeletons = skeletionRoot.Elements("Skeleton");
var skeletons = new EZMSkeleton[xSkeletons.Count()];
int index = 0;
foreach (var xSkeleton in xSkeletons)
{
skeletons[index++] = EZMSkeleton.Parse(xSkeleton);
}
result.Skeletons = skeletons;
}
}
{
var animationRoot = xElement.Element("Animations");
if (animationRoot != null)
{
var xAnimations = animationRoot.Elements("Animation");
var animations = new EZMAnimation[xAnimations.Count()];
int index = 0;
foreach (var xAnimation in xAnimations)
{
var animation = EZMAnimation.Parse(xAnimation);
foreach (var animTrack in animation.AnimTracks)
{
string name = animTrack.BoneName;
if (name != null)
{
foreach (var skeleton in result.Skeletons)
{
EZMBone bone = null;
if (skeleton.nameBoneDict.TryGetValue(name, out bone))
{
if (animTrack.Bone != null)
{
throw new Exception("More than 1 bone for the animTrack!");
}
animTrack.Bone = bone;
//break;
}
}
}
}
animations[index++] = animation;
}
result.Animations = animations;
}
}
var nameMaterialDict = new Dictionary <string, EZMMaterial>();
{
var materialsRoot = xElement.Element("Materials");
if (materialsRoot != null)
{
var xMaterials = materialsRoot.Elements("Material");
var materials = new EZMMaterial[xMaterials.Count()];
int index = 0;
foreach (var xMaterial in xMaterials)
{
var material = EZMMaterial.Parse(xMaterial);
nameMaterialDict.Add(material.Name, material);
materials[index++] = material;
}
result.Materials = materials;
}
}
{
var meshesRoot = xElement.Element("Meshes");
if (meshesRoot != null)
{
var xMeshes = meshesRoot.Elements("Mesh");
var meshes = new EZMMesh[xMeshes.Count()];
int index = 0;
foreach (var xMesh in xMeshes)
{
EZMMesh mesh = EZMMesh.Parse(xMesh);
foreach (var meshSection in mesh.MeshSections)
{
string name = meshSection.MaterialName;
EZMMaterial material = null;
if (nameMaterialDict.TryGetValue(name, out material))
{
meshSection.Material = material;
}
}
EZMSkeleton[] skeletons = result.Skeletons;
if (skeletons.Length > 0)
{
if (string.IsNullOrEmpty(mesh.SkeletonName) ||
mesh.SkeletonName == "null")
{
mesh.Skeleton = skeletons[0];
}
else
{
foreach (var skeleton in skeletons)
{
if (mesh.SkeletonName == skeleton.Name)
{
mesh.Skeleton = skeleton;
break;
}
}
}
}
meshes[index++] = mesh;
}
result.Meshes = meshes;
}
}
}
return(result);
}
// <Skeleton name="skeleton" count="60">
/// <summary>
/// A collection of <see cref="EZMBone"/>s.
/// </summary>
/// <param name="xSkeletion"></param>
/// <returns></returns>
public static EZMSkeleton Parse(System.Xml.Linq.XElement xElement)
{
EZMSkeleton result = null;
if (xElement.Name == "Skeleton")
{
result = new EZMSkeleton();
{
var attr = xElement.Attribute("name");
if (attr != null)
{
result.Name = attr.Value;
}
}
{
var xBones = xElement.Elements("Bone");
{
var bones = new EZMBone[xBones.Count()];
var dict = new Dictionary <string, EZMBone>();
{
int index = 0;
foreach (var xBone in xBones)
{
var bone = EZMBone.Parse(xBone);
dict.Add(bone.Name, bone);
bones[index++] = bone;
}
}
result.nameBoneDict = dict;
result.Bones = bones;
}
{
// form a tree.
List <EZMBone> rootBones = new List <EZMBone>();
foreach (var item in result.Bones)
{
string parentName = item.ParentName;
EZMBone parent;
if ((parentName != null) && result.nameBoneDict.TryGetValue(parentName, out parent))
{
item.Parent = parent;
parent.children.Add(item);
}
else
{
rootBones.Add(item);
}
}
var orderedBones = new EZMBone[xBones.Count()];
{
// make sure bones are in 'parent - child' order.
int index = 0;
foreach (var item in rootBones)
{
Traverse(item, orderedBones, ref index);
}
}
// update absolute bone matrix.
EZMBone rootBone = orderedBones[0];
mat4 inverse = glm.inverse(rootBone.OriginalState.matrix);
for (int i = 0; i < orderedBones.Length; i++)
{
EZMBone bone = orderedBones[i];
//bone.State.UpdateCache();
EZMBone parent = bone.Parent;
if (parent == null)
{
bone.combinedMat = bone.state.matrix;
}
else
{
bone.combinedMat = parent.combinedMat * bone.state.matrix;
}
bone.offsetMat = glm.inverse(bone.combinedMat);
}
result.OrderedBones = orderedBones;
}
}
}
return(result);
}
public static AiScene Parse(this EZMFile ezmFile)
{
if (ezmFile == null)
{
throw new ArgumentNullException();
}
var aiScene = new AiScene();
aiScene.Fullname = ezmFile.Fullname;
// root node.
{
EZMSkeleton skeleton = ezmFile.MeshSystem.Skeletons[0];
EZMBone[] bones = skeleton.Bones;
aiScene.RootNode = Parse(bones[0]);
Match(aiScene.RootNode, bones[0]);
}
// meshes.
{
EZMMesh[] ezmMeshes = ezmFile.MeshSystem.Meshes;
var lstAiMesh = new List <AiMesh>();
for (int i = 0; i < ezmMeshes.Length; i++)
{
AiMesh[] aiMeshes = Parse(ezmMeshes[i]);
lstAiMesh.AddRange(aiMeshes);
}
aiScene.Meshes = lstAiMesh.ToArray();
}
// materials.
{
EZMMaterial[] ezmMaterials = ezmFile.MeshSystem.Materials;
var aiMaterials = new AiMaterial[ezmMaterials.Length];
for (int i = 0; i < aiMaterials.Length; i++)
{
aiMaterials[i] = Parse(ezmMaterials[i]);
}
aiScene.Materials = aiMaterials;
}
// animations.
{
EZMAnimation[] ezmAnimations = ezmFile.MeshSystem.Animations;
var aiAnimations = new AiAnimation[ezmAnimations.Length];
for (int i = 0; i < ezmAnimations.Length; i++)
{
aiAnimations[i] = Parse(ezmAnimations[i]);
}
aiScene.Animations = aiAnimations;
}
{
// init material indexes in mesh.
foreach (AiMesh aiMesh in aiScene.Meshes)
{
string name = aiMesh.materialName;
for (int i = 0; i < aiScene.Materials.Length; i++)
{
if (aiScene.Materials[i].Name == name)
{
aiMesh.MaterialIndex = i;
break;
}
}
}
}
{
// bones.
EZMSkeleton skeleton = ezmFile.MeshSystem.Skeletons[0];
EZMBone[] bones = skeleton.Bones;
var aiBones = new AiBone[bones.Length];
for (int i = 0; i < bones.Length; i++)
{
var aiBone = new AiBone();
var bone = bones[i];
//bone.
aiBones[i] = aiBone;
}
aiScene.RootNode = Parse(bones[0]);
Match(aiScene.RootNode, bones[0]);
}
return(aiScene);
}