/// <summary>
/// c-tor - generic way for collecting resources
/// </summary>
/// <param name="meshInfo"></param>
/// assetName - just for debug output
public MyMesh(MyMeshPartInfo meshInfo, string assetName)
{
MyMaterialDescriptor matDesc = meshInfo.m_MaterialDesc;
if (matDesc != null)
{
string texName;
matDesc.Textures.TryGetValue("DiffuseTexture", out texName);
var material = new MyMeshMaterial();
material.Name = meshInfo.m_MaterialDesc.MaterialName;
material.DiffuseTexture = texName;
material.Textures = matDesc.Textures;
material.SpecularIntensity = meshInfo.m_MaterialDesc.SpecularIntensity;
material.SpecularPower = meshInfo.m_MaterialDesc.SpecularPower;
material.DrawTechnique = meshInfo.Technique;
material.GlassCW = meshInfo.m_MaterialDesc.GlassCW;
material.GlassCCW = meshInfo.m_MaterialDesc.GlassCCW;
material.GlassSmooth = meshInfo.m_MaterialDesc.GlassSmoothNormals;
Material = material;
}
else
{
//It is OK because ie. collision meshes dont have materials
Material = new MyMeshMaterial();
}
AssetName = assetName;
}
/// <summary>
/// ReadMeshParts
/// </summary>
/// <param name="reader"></param>
/// <returns></returns>
static List <MyMeshPartInfo> ReadMeshParts(BinaryReader reader, int version)
{
List <MyMeshPartInfo> list = new List <MyMeshPartInfo>();
int nCount = reader.ReadInt32();
for (int i = 0; i < nCount; ++i)
{
MyMeshPartInfo meshPart = new MyMeshPartInfo();
meshPart.Import(reader, version);
list.Add(meshPart);
}
return(list);
}
public void LoadBuffers(MyModelData modelData, string assetName = null)
{
System.Diagnostics.Debug.Assert(modelData.Sections.Count > 0, "Invalid object");
if (modelData.Sections.Count == 0)
return;
// create index buffer
{
m_trianglesCount = modelData.Indices.Count / 3;
m_Indices_16bit = new ushort[modelData.Indices.Count];
for (int i = 0; i < modelData.Indices.Count; ++i)
m_Indices_16bit[i] = (ushort)modelData.Indices[i];
m_indexBuffer = new IndexBuffer(MyRender.GraphicsDevice, m_Indices_16bit.Length * sizeof(short), Usage.WriteOnly, Pool.Default, true);
m_indexBuffer.SetData(m_Indices_16bit);
m_indexBuffer.Tag = this;
m_indexBufferSize = m_Indices_16bit.Length * sizeof(short);
SignResource(m_indexBuffer);
}
// create vertex buffer
{
m_verticesCount = modelData.Positions.Count;
m_vertices = new MyCompressedVertexNormal[m_verticesCount];
var vertexArray = new MyVertexFormatPositionNormalTextureTangent[m_verticesCount];
for (int i = 0; i < modelData.Positions.Count; ++i)
{
vertexArray[i].Position = modelData.Positions[i];
vertexArray[i].Normal = modelData.Normals[i];
vertexArray[i].Tangent = modelData.Tangents[i];
vertexArray[i].TexCoord = modelData.TexCoords[i];
m_vertices[i] = new MyCompressedVertexNormal()
{
Position = vertexArray[i].PositionPacked,
Normal = vertexArray[i].NormalPacked
};
}
m_vertexDeclaration = MyVertexFormatPositionNormalTextureTangent.VertexDeclaration;
m_vertexStride = MyVertexFormatPositionNormalTextureTangent.Stride;
m_vertexBufferSize = vertexArray.Length * m_vertexStride;
m_vertexBuffer = new VertexBuffer(MyRender.GraphicsDevice, m_vertexBufferSize, Usage.WriteOnly, VertexFormat.None, Pool.Default);
m_vertexBuffer.SetData(vertexArray);
m_vertexBuffer.Tag = this;
SignResource(m_vertexBuffer);
}
m_meshContainer.Clear();
// apply materials here
for (int s = 0; s < modelData.Sections.Count; ++s)
{
var mpi = new MyMeshPartInfo();
mpi.Technique = m_drawTechnique;
// Disabled, because it assert always when models are loaded before materials
//System.Diagnostics.Debug.Assert(MyRenderModels.Materials.ContainsKey(modelData.Sections[s].MaterialName), "Mesh material not present!");
if (MyRenderModels.Materials.ContainsKey(modelData.Sections[s].MaterialName))
mpi.m_MaterialDesc = MyRenderModels.Materials[modelData.Sections[s].MaterialName];
var start = modelData.Sections[s].IndexStart;
var end = start + modelData.Sections[s].TriCount*3;
for (int i = start; i < end; ++i)
mpi.m_indices.Add(modelData.Indices[i]);
m_meshContainer.Add(new MyRenderMesh(mpi, null)
{
IndexStart = modelData.Sections[s].IndexStart,
TriCount = modelData.Sections[s].TriCount
});
}
// store properties of this model
{
BoundingBox = modelData.AABB;
BoundingSphere = new BoundingSphere(modelData.AABB.Center, modelData.AABB.HalfExtents.Length());
BoundingBoxSize = BoundingBox.Size;
BoundingBoxSizeHalf = BoundingBox.HalfExtents;
ModelInfo = new MyModelInfo(m_trianglesCount, m_verticesCount, BoundingBoxSize);
PreloadTextures(LoadingMode.Immediate);
LoadState = Textures.LoadState.Loaded;
m_loadedContent = true;
m_loadedData = true;
}
}
/// <summary>
/// c-tor - generic way for collecting resources
/// </summary>
/// <param name="meshInfo"></param>
/// assetName - just for debug output
public MyRenderMesh(MyMeshPartInfo meshInfo, string assetName)
{
string contentDir = "";
if (Path.IsPathRooted(assetName) && assetName.ToLower().Contains("models"))
contentDir = assetName.Substring(0, assetName.ToLower().IndexOf("models"));
MyMaterialDescriptor matDesc = meshInfo.m_MaterialDesc;
if (matDesc != null)
{
bool hasNormalTexture = true;
string normalPath = null;
string diffusePath;
matDesc.Textures.TryGetValue("DiffuseTexture", out diffusePath);
matDesc.Textures.TryGetValue("NormalTexture", out normalPath);
if (String.IsNullOrEmpty(normalPath) && !String.IsNullOrEmpty(diffusePath))
{
if(String.IsNullOrEmpty(diffusePath))
{
diffusePath = null;
normalPath = null;
}
else
{
string ext = Path.GetExtension(diffusePath);
string deMatch = C_POSTFIX_DIFFUSE_EMISSIVE + ext;
string meMatch = C_POSTFIX_MASK_EMISSIVE + ext;
if (diffusePath.EndsWith(deMatch))
normalPath = diffusePath.Substring(0, diffusePath.Length - deMatch.Length) + C_POSTFIX_NORMAL_SPECULAR + ext;
else if (diffusePath.EndsWith(meMatch))
normalPath = diffusePath.Substring(0, diffusePath.Length - meMatch.Length) + C_POSTFIX_NORMAL_SPECULAR + ext;
else
normalPath = null;
}
}
Material = new MyRenderMeshMaterial(matDesc.MaterialName,
contentDir,
diffusePath,
normalPath,
matDesc.SpecularPower,
matDesc.SpecularIntensity,
hasNormalTexture,
matDesc.DiffuseColor,
matDesc.ExtraData);
Material.DrawTechnique = meshInfo.Technique;
m_assetName = assetName;
}
else
{
//It is OK because ie. collision meshes dont have materials
//MyCommonDebugUtils.AssertRelease(false, String.Format("Model {0} has bad material for mesh.", assetName));
Trace.TraceWarning("Model with null material: " + assetName);
//We define at least debug material
VRageMath.Vector3 color = VRageMath.Color.Pink.ToVector3();
Material = new MyRenderMeshMaterial("", "", @"Textures\Models\Debug\white_de.dds", @"Textures\Models\Debug\white_ns.dds", 0, 0, true, color, color);
}
}
/// <summary>
/// ReadMeshParts
/// </summary>
/// <param name="reader"></param>
/// <returns></returns>
private static List<MyMeshPartInfo> ReadMeshParts(BinaryReader reader)
{
var list = new List<MyMeshPartInfo>();
var nCount = reader.ReadInt32();
for (var i = 0; i < nCount; ++i)
{
var meshPart = new MyMeshPartInfo();
meshPart.Import(reader, 0); // TODO: test version detail
list.Add(meshPart);
}
return list;
}
