private void LoadNif(string path)
{
nifPath = path;
try {
NifFile f = BSAArchive.LoadMesh(path);
if (f == null)
{
throw new ApplicationException("Failed to load nif: " + path);
}
nif = f;
} catch (ApplicationException ex) {
MessageBox.Show("An error occured while loading the nif: " + ex.Message, "Error");
return;
}
//Change camera radius
lightControl.Radius = nif.Radius;
camera.SetRadius(nif.Radius * 3.0f, 0, nif.Radius * 4.9f);
float aspect = (float)sampleFramework.BackBufferSurfaceDescription.Width / (float)sampleFramework.BackBufferSurfaceDescription.Height;
camera.SetProjectionParameters((float)Math.PI / 4, aspect, nif.Radius / 80, nif.Radius * 5);
//Change the subset control box
ComboBox cb = sampleUi.GetComboBox(SubsetControl);
cb.Clear();
cb.AddItem("Whole mesh", (int)-1);
for (int i = 0; i < nif.Subsets; i++)
{
cb.AddItem("Subset " + i, i);
}
}
private unsafe void BasicSetup(byte[] data, string tex0)
{
LoadReturn lr = Load(data, data.Length);
if (lr.Subsets <= 0)
{
throw new ApplicationException("Failed to load nif");
}
subsets = new Subset[lr.Subsets];
radius = lr.maxsize;
loadLog = new string(lr.log);
if (lr.FailedSubsets > 0)
{
System.Windows.Forms.MessageBox.Show("" + lr.FailedSubsets + " could not be rendered", "Warning");
}
string texFileName;
for (uint i = 0; i < subsets.Length; i++)
{
//Get basic info
GetInfo(i, out subsets[i].info);
GetMaterial(i, out subsets[i].mat);
GetTransform(i, out subsets[i].transform);
if (i == 0 && tex0 != null)
{
texFileName = tex0;
}
else if (subsets[i].info.containsTexture)
{
sbyte *charPtr;
GetTex(i, out charPtr);
texFileName = new string(charPtr);
}
else
{
texFileName = null;
}
//sanity check
//if(!subsets[i].info.containsTexCoords) throw new ApplicationException("Vertex texture coords are missing from subset "+i);
//if(!subsets[i].info.containsNormals) throw new ApplicationException("Vertex normals are missing from subset "+i);
//if(texFileName==null) throw new ApplicationException("No texture name was specified in subset "+i);
//Load textures
if (texFileName != null)
{
System.IO.Stream stream = BSAArchive.GetTexture(texFileName);
if (stream != null)
{
subsets[i].colorMap = TextureLoader.FromStream(device, stream);
SurfaceDescription desc = subsets[i].colorMap.GetLevelDescription(0);
subsets[i].data.cWidth = desc.Width;
subsets[i].data.cHeight = desc.Height;
subsets[i].data.cformat = desc.Format;
subsets[i].data.path = texFileName;
}
else
{
throw new ApplicationException("Could not load texture for subset " + i);
}
stream = BSAArchive.GetGlowTexture(texFileName);
if (stream != null)
{
subsets[i].glowMap = TextureLoader.FromStream(device, stream);
SurfaceDescription desc = subsets[i].glowMap.GetLevelDescription(0);
subsets[i].data.gWidth = desc.Width;
subsets[i].data.gHeight = desc.Height;
subsets[i].data.gformat = desc.Format;
}
else
{
subsets[i].data.gWidth = -1;
}
stream = BSAArchive.GetNormalTexture(texFileName);
if (stream != null)
{
subsets[i].normalMap = TextureLoader.FromStream(device, stream);
SurfaceDescription desc = subsets[i].normalMap.GetLevelDescription(0);
subsets[i].data.nWidth = desc.Width;
subsets[i].data.nHeight = desc.Height;
subsets[i].data.nformat = desc.Format;
}
else
{
subsets[i].data.nWidth = -1;
}
}
else
{
subsets[i].colorMap = null;
subsets[i].data.cWidth = -1;
subsets[i].data.gWidth = -1;
subsets[i].data.nWidth = -1;
}
//Get vertex information
VertexElement[] decl = new VertexElement[7];
decl[0] = new VertexElement(0, 0, DeclarationType.Float3, DeclarationMethod.Default, DeclarationUsage.Position, 0);
decl[1] = new VertexElement(0, 12, DeclarationType.Float3, DeclarationMethod.Default, DeclarationUsage.Tangent, 0);
decl[2] = new VertexElement(0, 24, DeclarationType.Float3, DeclarationMethod.Default, DeclarationUsage.BiNormal, 0);
decl[3] = new VertexElement(0, 36, DeclarationType.Float3, DeclarationMethod.Default, DeclarationUsage.Normal, 0);
decl[4] = new VertexElement(0, 48, DeclarationType.Float2, DeclarationMethod.Default, DeclarationUsage.TextureCoordinate, 0);
decl[5] = new VertexElement(0, 56, DeclarationType.Float4, DeclarationMethod.Default, DeclarationUsage.Color, 0);
decl[6] = VertexElement.VertexDeclarationEnd;
subsets[i].vDecl = new VertexDeclaration(device, decl);
if (subsets[i].info.containsTangentBinormal)
{
Mesh m = new Mesh(subsets[i].info.iCount / 3, subsets[i].info.vCount, MeshFlags.SystemMemory, decl, device);
subsets[i].vBuffer = new VertexBuffer(typeof(ConvertedVertex), subsets[i].info.vCount, device, Usage.WriteOnly, VertexFormats.None, Pool.Managed);
//ConvertedVertex[] cv=(ConvertedVertex[])subsets[i].vBuffer.Lock(0, LockFlags.None);
ConvertedVertex[] cv = (ConvertedVertex[])m.LockVertexBuffer(typeof(ConvertedVertex), LockFlags.None, subsets[i].info.vCount);
fixed(ConvertedVertex *cvPtr = cv)
{
GetVerticies(i, cvPtr);
}
m.UnlockVertexBuffer();
//subsets[i].vBuffer.Unlock();
//Indicies
subsets[i].iBuffer = new IndexBuffer(typeof(ushort), subsets[i].info.iCount, device, Usage.WriteOnly, Pool.Managed);
//ushort[] indicies=(ushort[])subsets[i].iBuffer.Lock(0, LockFlags.None);
ushort[] indicies = (ushort[])m.LockIndexBuffer(typeof(ushort), LockFlags.None, subsets[i].info.iCount);
fixed(ushort *iPtr = indicies)
{
GetIndicies(i, iPtr);
}
//subsets[i].iBuffer.Unlock();
m.UnlockIndexBuffer();
subsets[i].numTris = subsets[i].info.iCount / 3;
int[] adj = new int[subsets[i].info.iCount];
m.GenerateAdjacency(0.01f, adj);
m.ComputeTangent(0, 0, 0, 1, adj);
//m.ComputeTangentFrame(TangentOptions.CalculateNormals|TangentOptions.GenerateInPlace);
cv = (ConvertedVertex[])m.LockVertexBuffer(typeof(ConvertedVertex), LockFlags.ReadOnly, subsets[i].info.vCount);
ConvertedVertex[] cv2 = (ConvertedVertex[])subsets[i].vBuffer.Lock(0, LockFlags.None);
for (int j = 0; j < cv.Length; j++)
{
cv2[j] = cv[j];
}
m.UnlockVertexBuffer();
subsets[i].vBuffer.Unlock();
indicies = (ushort[])m.LockIndexBuffer(typeof(ushort), LockFlags.None, subsets[i].info.iCount);
ushort[] indicies2 = (ushort[])subsets[i].iBuffer.Lock(0, LockFlags.None);
for (int j = 0; j < indicies.Length; j++)
{
indicies2[j] = indicies[j];
}
m.UnlockIndexBuffer();
subsets[i].iBuffer.Unlock();
m.Dispose();
}
else
{
subsets[i].vBuffer = new VertexBuffer(typeof(ConvertedVertex), subsets[i].info.vCount, device, Usage.WriteOnly, VertexFormats.None, Pool.Managed);
ConvertedVertex[] cv = (ConvertedVertex[])subsets[i].vBuffer.Lock(0, LockFlags.None);
fixed(ConvertedVertex *cvPtr = cv)
{
GetVerticies(i, cvPtr);
}
subsets[i].vBuffer.Unlock();
//Indicies
subsets[i].iBuffer = new IndexBuffer(typeof(ushort), subsets[i].info.iCount, device, Usage.WriteOnly, Pool.Managed);
ushort[] indicies = (ushort[])subsets[i].iBuffer.Lock(0, LockFlags.None);
fixed(ushort *iPtr = indicies)
{
GetIndicies(i, iPtr);
}
subsets[i].iBuffer.Unlock();
subsets[i].numTris = subsets[i].info.iCount / 3;
}
}
int alphaCount = 0;
for (int i = 0; i < Subsets; i++)
{
if (subsets[i].info.hasalpha)
{
alphaCount++;
}
}
AlphaIndicies = new int[alphaCount];
alphaCount = 0;
for (int i = 0; i < Subsets; i++)
{
if (subsets[i].info.hasalpha)
{
AlphaIndicies[alphaCount++] = i;
}
}
}