/************************************************************************/
/* Properties */
/************************************************************************/
#endregion
#region Methods
/************************************************************************/
/* Methods */
/************************************************************************/
public override void Load(System.IO.Stream stream)
{
GraphicsDevice device = GraphicsMgr.Instance.Device;
if (device == null)
{
throw new Exception("Invalid graphic device");
}
BinaryReader reader = new BinaryReader(stream);
//read magic number
uint magicNumber = reader.ReadUInt32();
//read vertex buffer
uint vbSize = reader.ReadUInt32();
byte[] vbData = reader.ReadBytes((int)vbSize);
this.vertexBuffer = new VertexBuffer(device, (int)vbSize, ResourceUsage.WriteOnly, ResourceManagementMode.Automatic);
this.vertexBuffer.SetData <byte>(vbData);
//read index buffer
uint ibSize = reader.ReadUInt32();
byte[] ibData = new byte[ibSize];
reader.Read(ibData, 0, (int)ibSize);
this.indexBuffer = new IndexBuffer(device, (int)ibSize, ResourceUsage.WriteOnly, ResourceManagementMode.Automatic, IndexElementSize.SixteenBits);
this.indexBuffer.SetData <byte>(ibData);
//read meshes
uint meshCount = reader.ReadUInt32();
this.meshList = new EnvMesh[meshCount];
for (int i = 0; i < this.meshList.Length; i++)
{
EnvMesh mesh = new EnvMesh();
mesh.vertexBufferOffset = reader.ReadUInt32();
mesh.indexOffset = reader.ReadUInt32();
mesh.vertexFormat = reader.ReadUInt32();
mesh.vertexCount = reader.ReadUInt32();
mesh.primCount = reader.ReadUInt32();
mesh.primType = reader.ReadByte();
mesh.vertexStride = reader.ReadByte();
mesh.pad0 = reader.ReadByte();
mesh.pad1 = reader.ReadByte();
//get vertex declaration for vertex format
mesh.vertexDeclaration = GraphicsMgr.Instance.GetVertexDeclaration(mesh.vertexFormat);
//add mesh to list
this.meshList[i] = mesh;
}
}
public void Render(GraphicsDevice device)
{
device.PixelShader = this.pixelShader;
device.VertexShader = this.vertexShader;
device.SetVertexShaderConstant((int)GraphicsMgr.VSConstant.WorldMatrix, Matrix.Identity);
device.SetVertexShaderConstant((int)GraphicsMgr.VSConstant.WorldInvTransMatrix, Matrix.Identity);
Vector4 lightDir = new Vector4(-0.5f, -0.5f, 0.0f, 1.0f);
lightDir.Normalize();
lightDir = -lightDir;
device.SetPixelShaderConstant(1, lightDir);
Vector4 ambient = new Vector4(0.0f, 0.0f, 0.0f, 0.2f);
device.SetPixelShaderConstant(0, ambient);
Vector4 dirLightColor = new Vector4(1.0f, 1.0f, 1.0f, 1.0f);
device.SetPixelShaderConstant(2, dirLightColor);
device.Textures[0] = this.texture;
device.SamplerStates[0].MinFilter = TextureFilter.Linear;
device.SamplerStates[0].MagFilter = TextureFilter.Linear;
device.SamplerStates[0].MipFilter = TextureFilter.Linear;
device.RenderState.DepthBufferEnable = true;
device.RenderState.CullMode = CullMode.CullClockwiseFace;
device.RenderState.DepthBufferWriteEnable = true;
device.RenderState.AlphaBlendEnable = true;
device.RenderState.SourceBlend = Blend.One;
device.RenderState.DestinationBlend = Blend.Zero;
device.RenderState.ColorWriteChannels = ColorWriteChannels.All;
device.RenderState.AlphaTestEnable = false;
//draw all the meshes
device.Indices = this.indexBuffer;
for (int i = 0; i < this.meshList.Length; i++)
{
EnvMesh mesh = this.meshList[i];
device.Vertices[0].SetSource(this.vertexBuffer, (int)mesh.vertexBufferOffset, (int)mesh.vertexStride);
device.VertexDeclaration = mesh.vertexDeclaration;
device.DrawIndexedPrimitives(PrimitiveType.TriangleList, 0, 0, (int)mesh.vertexCount, (int)mesh.indexOffset, (int)mesh.primCount);
}
}
