/// <summary>
/// Loads a Fantasy Life ZMDL model.
/// Note that ZMDL must start at offset 0x0 (don't try using it for ZMDLs inside containers).
/// </summary>
/// <param name="data">Stream of the ZMDL file.</param>
/// <returns></returns>
public static RenderBase.OModelGroup load(Stream data)
{
BinaryReader input = new BinaryReader(data);
RenderBase.OModelGroup models = new RenderBase.OModelGroup();
RenderBase.OModel model = new RenderBase.OModel();
model.name = "model";
string zmdlMagic = IOUtils.readString(input, 0, 4);
data.Seek(0x20, SeekOrigin.Begin);
uint materialsOffset = input.ReadUInt32();
uint skeletonOffset = input.ReadUInt32();
uint modelOffset = input.ReadUInt32();
ushort materialsCount = input.ReadUInt16();
ushort bonesCount = input.ReadUInt16();
ushort modelObjectsCount = input.ReadUInt16();
ushort unknowCount = input.ReadUInt16();
//Materials
List <byte> materialObjectBinding = new List <byte>();
for (int materialIndex = 0; materialIndex < materialsCount; materialIndex++)
{
RenderBase.OMaterial material = new RenderBase.OMaterial();
material.name = IOUtils.readString(input, (uint)(materialsOffset + materialIndex * 0xb4));
data.Seek(materialsOffset + (materialIndex * 0xb4) + 0x94, SeekOrigin.Begin);
uint textureReferenceOffset = input.ReadUInt32();
uint objectReferenceIndexOffset = input.ReadUInt32();
data.Seek(objectReferenceIndexOffset, SeekOrigin.Begin);
materialObjectBinding.Add(input.ReadByte());
material.name0 = IOUtils.readString(input, textureReferenceOffset);
data.Seek(textureReferenceOffset + 0x40, SeekOrigin.Begin);
while ((data.Position & 3) != 0)
{
input.ReadByte(); //Align Word
}
data.Seek(0x30, SeekOrigin.Current); //Unknown matrix (possibly UV transform)
input.ReadUInt32();
input.ReadByte();
input.ReadByte();
byte wrap = input.ReadByte();
input.ReadByte();
model.material.Add(material);
}
//Skeleton
for (int boneIndex = 0; boneIndex < bonesCount; boneIndex++)
{
RenderBase.OBone bone = new RenderBase.OBone();
bone.name = IOUtils.readString(input, (uint)(skeletonOffset + boneIndex * 0xcc));
data.Seek(skeletonOffset + (boneIndex * 0xcc) + 0x40, SeekOrigin.Begin);
data.Seek(0x64, SeekOrigin.Current); //Unknow matrices, probably transform and other stuff
bone.translation = new RenderBase.OVector3(input.ReadSingle(), input.ReadSingle(), input.ReadSingle());
bone.rotation = new RenderBase.OVector3(input.ReadSingle(), input.ReadSingle(), input.ReadSingle());
bone.scale = new RenderBase.OVector3(input.ReadSingle(), input.ReadSingle(), input.ReadSingle());
bone.absoluteScale = new RenderBase.OVector3(bone.scale);
bone.parentId = input.ReadInt16();
input.ReadUInt16();
model.skeleton.Add(bone);
}
//Meshes
for (int objIndex = 0; objIndex < modelObjectsCount; objIndex++)
{
RenderBase.OMesh obj = new RenderBase.OMesh();
obj.name = string.Format("mesh_{0}", objIndex);
data.Seek(modelOffset + objIndex * 0xc4, SeekOrigin.Begin);
attributeEntry[] attributes = new attributeEntry[9];
for (int attribute = 0; attribute < 9; attribute++)
{
attributes[attribute].floats = new RenderBase.OVector4(
input.ReadSingle(),
input.ReadSingle(),
input.ReadSingle(),
input.ReadSingle());
attributes[attribute].offset = input.ReadByte() * 4;
attributes[attribute].attributeLength = input.ReadByte();
attributes[attribute].stride = input.ReadUInt16() * 4;
if (attributes[attribute].attributeLength > 0)
{
switch (attribute)
{
case aNormal: obj.hasNormal = true; break;
case aColor: obj.hasColor = true; break;
case aTex0: obj.texUVCount = 1; break;
case aNode: obj.hasNode = true; break;
case aWeight: obj.hasWeight = true; break;
}
}
}
int vertexStride = attributes[8].stride;
uint facesHeaderOffset = input.ReadUInt32();
uint facesHeaderEntries = input.ReadUInt32();
uint vertexBufferOffset = input.ReadUInt32();
uint vertexBufferLength = input.ReadUInt32() * 4;
for (int faceIndex = 0; faceIndex < facesHeaderEntries; faceIndex++)
{
data.Seek(facesHeaderOffset + faceIndex * 0x14, SeekOrigin.Begin);
uint boneNodesOffset = input.ReadUInt32();
uint boneNodesEntries = input.ReadUInt32();
uint indexBufferOffset = input.ReadUInt32();
uint indexBufferPrimitiveCount = input.ReadUInt32();
input.ReadUInt32();
data.Seek(boneNodesOffset, SeekOrigin.Begin);
List <byte> nodeList = new List <byte>();
for (int n = 0; n < boneNodesEntries; n++)
{
nodeList.Add(input.ReadByte());
}
data.Seek(indexBufferOffset, SeekOrigin.Begin);
for (int face = 0; face < indexBufferPrimitiveCount; face++)
{
ushort index = input.ReadUInt16();
RenderBase.OVertex vertex = new RenderBase.OVertex();
vertex.diffuseColor = 0xffffffff;
long position = data.Position;
long vertexOffset = vertexBufferOffset + index * vertexStride;
data.Seek(vertexOffset + attributes[aPosition].offset, SeekOrigin.Begin);
vertex.position = new RenderBase.OVector3(input.ReadSingle(), input.ReadSingle(), input.ReadSingle());
if (attributes[aNormal].attributeLength > 0)
{
data.Seek(vertexOffset + attributes[aNormal].offset, SeekOrigin.Begin);
vertex.normal = new RenderBase.OVector3(input.ReadSingle(), input.ReadSingle(), input.ReadSingle());
}
if (attributes[aColor].attributeLength > 0)
{
data.Seek(vertexOffset + attributes[aColor].offset, SeekOrigin.Begin);
uint r = MeshUtils.saturate(input.ReadSingle() * 0xff);
uint g = MeshUtils.saturate(input.ReadSingle() * 0xff);
uint b = MeshUtils.saturate(input.ReadSingle() * 0xff);
uint a = MeshUtils.saturate(input.ReadSingle() * 0xff);
vertex.diffuseColor = b | (g << 8) | (r << 16) | (a << 24);
}
if (attributes[aTex0].attributeLength > 0)
{
data.Seek(vertexOffset + attributes[aTex0].offset, SeekOrigin.Begin);
vertex.texture0 = new RenderBase.OVector2(input.ReadSingle(), input.ReadSingle());
}
for (int boneIndex = 0; boneIndex < attributes[aNode].attributeLength; boneIndex++)
{
data.Seek(vertexOffset + attributes[aNode].offset + (boneIndex * 4), SeekOrigin.Begin);
vertex.node.Add(nodeList[(int)input.ReadSingle()]);
}
for (int boneWeight = 0; boneWeight < attributes[aWeight].attributeLength; boneWeight++)
{
data.Seek(vertexOffset + attributes[aWeight].offset + (boneWeight * 4), SeekOrigin.Begin);
vertex.weight.Add(input.ReadSingle());
}
MeshUtils.calculateBounds(model, vertex);
obj.vertices.Add(vertex);
data.Seek(position, SeekOrigin.Begin);
}
}
int materialId = materialObjectBinding.IndexOf((byte)objIndex);
if (materialId > -1)
{
obj.materialId = (ushort)materialId;
}
model.mesh.Add(obj);
}
data.Close();
models.model.Add(model);
return(models);
}
public static RenderBase.OModelGroup load(string fileName)
{
FileStream data = new FileStream(fileName, FileMode.Open);
BinaryReader input = new BinaryReader(data);
RenderBase.OModelGroup models;
RenderBase.OModel model;
string extension = Path.GetExtension(fileName).ToLower();
string bchFile = fileName.Replace(extension, ".bch");
bool isBCHLoaded = false;
if (File.Exists(bchFile))
{
models = BCH.load(bchFile);
model = models.model[0];
models.model.Clear();
isBCHLoaded = true;
}
else
{
models = new RenderBase.OModelGroup();
model = new RenderBase.OModel();
model.name = "model";
model.material.Add(new RenderBase.OMaterial());
}
ushort format = input.ReadUInt16();
bool isDataWithinHeader = format == 4;
input.ReadUInt16(); //-1?
uint contentFlags = input.ReadUInt32();
bool hasNameTable = (contentFlags & 2) > 0;
uint mode = input.ReadUInt32();
uint meshCount = input.ReadUInt32();
List <vtxEntry> vtxDescriptors = new List <vtxEntry>();
List <idxEntry> idxDescriptors = new List <idxEntry>();
for (int i = 0; i < meshCount; i++)
{
if (mode == 1 && i == 0)
{
vtxDescriptors.Add(getVtxDescriptor(input));
}
uint facesCount = input.ReadUInt32();
for (int j = 0; j < facesCount; j++)
{
idxEntry face = new idxEntry();
face.meshIndex = i;
uint nodesCount = input.ReadUInt32();
for (int k = 0; k < nodesCount; k++)
{
face.nodeList.Add(input.ReadUInt32());
}
face.primitiveCount = input.ReadUInt32();
if (hasNameTable)
{
face.nameId = input.ReadUInt32();
}
if (isDataWithinHeader)
{
face.buffer = new ushort[face.primitiveCount];
for (int k = 0; k < face.primitiveCount; k++)
{
face.buffer[k] = input.ReadUInt16();
}
alignWord(input);
}
idxDescriptors.Add(face);
}
if (mode == 0)
{
if (isDataWithinHeader)
{
vtxEntry desc = getVtxDescriptor(input);
desc.buffer = new byte[desc.length];
input.Read(desc.buffer, 0, desc.buffer.Length);
vtxDescriptors.Add(desc);
alignWord(input);
}
else
{
vtxDescriptors.Add(getVtxDescriptor(input));
}
}
}
List <string> objNameTable = new List <string>();
if (hasNameTable)
{
for (int i = 0; i < meshCount; i++)
{
byte index = input.ReadByte();
objNameTable.Add(IOUtils.readString(input, (uint)data.Position, true));
}
}
if (!isDataWithinHeader)
{
align(input);
}
byte[] vtxBuffer = null;
vtxEntry currVertex = null;
int faceIndex = 0;
for (int i = 0; i < meshCount; i++)
{
if (mode == 0 || i == 0)
{
currVertex = vtxDescriptors[i];
if (!isDataWithinHeader)
{
vtxBuffer = new byte[vtxDescriptors[i].length];
input.Read(vtxBuffer, 0, vtxBuffer.Length);
align(input);
}
else
{
vtxBuffer = currVertex.buffer;
}
}
RenderBase.OMesh obj;
if (isBCHLoaded)
{
obj = model.mesh[0];
model.mesh.RemoveAt(0);
}
else
{
obj = new RenderBase.OMesh();
obj.name = "mesh_" + i.ToString();
}
for (int j = 0; j < currVertex.attributes.Count; j++)
{
switch (currVertex.attributes[j].type)
{
case vtxAttributeType.normal: obj.hasNormal = true; break;
case vtxAttributeType.color: obj.hasColor = true; break;
case vtxAttributeType.textureCoordinate0: obj.texUVCount = 1; break;
case vtxAttributeType.textureCoordinate1: obj.texUVCount = 2; break;
case vtxAttributeType.boneIndex: obj.hasNode = true; break;
case vtxAttributeType.boneWeight: obj.hasWeight = true; break;
}
}
for (;;)
{
int indexBufferPos = 0;
for (int j = 0; j < idxDescriptors[faceIndex].primitiveCount; j++)
{
ushort index;
if (isDataWithinHeader)
{
index = idxDescriptors[faceIndex].buffer[indexBufferPos++];
}
else
{
index = input.ReadUInt16();
}
RenderBase.OVertex vertex = new RenderBase.OVertex();
vertex.diffuseColor = 0xffffffff;
for (int k = 0; k < currVertex.attributes.Count; k++)
{
vtxAttribute att = currVertex.attributes[k];
int pos = (int)(index * currVertex.stride + att.offset);
float scale = att.scale;
switch (currVertex.attributes[k].type)
{
case vtxAttributeType.position: vertex.position = getVector3(vtxBuffer, pos, att.format, scale); break;
case vtxAttributeType.normal: vertex.normal = getVector3(vtxBuffer, pos, att.format, scale); break;
case vtxAttributeType.color:
RenderBase.OVector4 c = getVector4(vtxBuffer, pos, att.format, scale);
uint r = MeshUtils.saturate(c.x * 0xff);
uint g = MeshUtils.saturate(c.y * 0xff);
uint b = MeshUtils.saturate(c.z * 0xff);
uint a = MeshUtils.saturate(c.w * 0xff);
vertex.diffuseColor = b | (g << 8) | (r << 16) | (a << 24);
break;
case vtxAttributeType.textureCoordinate0: vertex.texture0 = getVector2(vtxBuffer, pos, att.format, scale); break;
case vtxAttributeType.textureCoordinate1: vertex.texture1 = getVector2(vtxBuffer, pos, att.format, scale); break;
case vtxAttributeType.boneIndex:
byte n0 = vtxBuffer[pos];
byte n1 = vtxBuffer[pos + 1];
vertex.node.Add((int)idxDescriptors[faceIndex].nodeList[n0]);
vertex.node.Add((int)idxDescriptors[faceIndex].nodeList[n1]);
break;
case vtxAttributeType.boneWeight:
RenderBase.OVector2 w = getVector2(vtxBuffer, pos, att.format, scale);
vertex.weight.Add(w.x);
vertex.weight.Add(w.y);
break;
}
}
MeshUtils.calculateBounds(model, vertex);
obj.vertices.Add(vertex);
}
faceIndex++;
if (!isDataWithinHeader)
{
align(input);
}
if (faceIndex >= idxDescriptors.Count)
{
break;
}
if (idxDescriptors[faceIndex].meshIndex == i)
{
continue;
}
break;
}
model.mesh.Add(obj);
}
models.model.Add(model);
data.Close();
return(models);
}
