private MtlMaterial GetMaterial(string mtlFile)
{
CultureInfo infos = CultureInfo.InvariantCulture;
MtlMaterial material = new MtlMaterial();
using (StreamReader reader = new StreamReader(mtlFile))
{
while (true)
{
string l = reader.ReadLine();
if (reader.EndOfStream)
{
break;
}
if (l.Contains("map_Ka "))
{
break;
}
if (l.Contains("Ns "))
{
material.Ns_SpecularPower = float.Parse(l.Replace("Ns ", "").Trim(), infos);
}
if (l.Contains("Ni "))
{
material.Ni_OpticalDensity = float.Parse(l.Replace("Ni ", "").Trim(), infos);
}
if (l.Contains("\td "))
{
material.d_Transparency = float.Parse(l.Replace("d ", "").Trim(), infos);
}
if (l.Contains("Tr "))
{
material.Tr_Transparency = float.Parse(l.Replace("Tr ", "").Trim(), infos);
}
if (l.Contains("Tf "))
{
var val = l.Replace("Tf ", "").Trim().Split(' ').Select(s => float.Parse(s, infos)).ToArray();
material.Tf_TransmissionFilter = new Vector3(val[0], val[1], val[2]);
}
if (l.Contains("Ka "))
{
var val = l.Replace("Ka ", "").Trim().Split(' ').Select(s => float.Parse(s, infos)).ToArray();
material.Ka_AmbientColor = new Color4(val[0], val[1], val[2], 1);
}
if (l.Contains("Kd "))
{
var val = l.Replace("Kd ", "").Trim().Split(' ').Select(s => float.Parse(s, infos)).ToArray();
material.Kd_DiffuseColor = new Color4(val[0], val[1], val[2], 1);
}
if (l.Contains("Ks "))
{
var val = l.Replace("Ks ", "").Trim().Split(' ').Select(s => float.Parse(s, infos)).ToArray();
material.Ks_SpecularColor = new Color4(val[0], val[1], val[2], 1);
}
if (l.Contains("Ke "))
{
var val = l.Replace("Ke ", "").Trim().Split(' ').Select(s => float.Parse(s, infos)).ToArray();
material.Ke_EmissiveColor = new Color4(val[0], val[1], val[2], 0);
}
}
}
return(material);
}
public EarthFromOBJ(DeviceContext dx11Context)
{
_dx11Context = dx11Context;
World = Matrix.Translation(0, 100, -5000);
_light.Color = Color4.White;
const string obj = "3DModelsFiles\\Earth\\earth.obj";
const string mtl = "3DModelsFiles\\Earth\\earth.mtl";
const string jpg = "3DModelsFiles\\Earth\\earthmap.jpg";
const string shadersFile = "Shaders\\EarthT.hlsl";
Tuple <List <Face>, List <uint> > tuple = GetFaces(obj);
_facesCount = tuple.Item2.Count;
_vertexBuffer = Buffer.Create(dx11Context.Device, BindFlags.VertexBuffer, tuple.Item1.ToArray());
_indexBuffer = Buffer.Create(dx11Context.Device, BindFlags.IndexBuffer, tuple.Item2.ToArray());
_vertexBinding = new VertexBufferBinding(_vertexBuffer, Utilities.SizeOf <Face>(), 0);
MtlMaterial material = GetMaterial(mtl);
_materialsBuffer = Buffer.Create(_dx11Context.Device, BindFlags.ConstantBuffer, ref material);
_constantBuffer = new Buffer(_dx11Context.Device, Utilities.SizeOf <Matrices>(), ResourceUsage.Default, BindFlags.ConstantBuffer, CpuAccessFlags.None, ResourceOptionFlags.None, 0);
_lightBuffer = new Buffer(_dx11Context.Device, Utilities.SizeOf <Light>(), ResourceUsage.Default, BindFlags.ConstantBuffer, CpuAccessFlags.None, ResourceOptionFlags.None, 0);
_textureResourse = _dx11Context.LoadTextureFromFile(jpg);
_textureResourse1 = _dx11Context.LoadTextureFromFile("3DModelsFiles\\Earth\\map.jpg");
_textureResourse2 = _dx11Context.LoadTextureFromFile("3DModelsFiles\\Earth\\map1.jpg");
SamplerStateDescription description = SamplerStateDescription.Default();
description.Filter = Filter.MinMagMipLinear;
description.AddressU = TextureAddressMode.Wrap;
description.AddressV = TextureAddressMode.Wrap;
description.AddressW = TextureAddressMode.Wrap;
_samplerState = new SamplerState(_dx11Context.Device, description);
//Загружаем шейдеры из файлов
InputElement[] inputElements = new InputElement[]
{
new InputElement("SV_Position", 0, Format.R32G32B32_Float, 0, 0),
new InputElement("NORMAL", 0, Format.R32G32B32_Float, 12, 0),
new InputElement("TEXCOORD", 0, Format.R32G32B32_Float, 24, 0)
};
ShaderFlags shaderFlags = ShaderFlags.None;
#if DEBUG
shaderFlags = ShaderFlags.Debug;
#endif
using (var vertexShaderByteCode = ShaderBytecode.CompileFromFile(shadersFile, "VS", "vs_5_0", shaderFlags))
{
//Синатура храянящая сведения о том какие входные переменные есть у шейдера
_inputSignature = ShaderSignature.GetInputSignature(vertexShaderByteCode);
_vertexShader = new VertexShader(_dx11Context.Device, vertexShaderByteCode);
}
using (var pixelShaderByteCode = ShaderBytecode.CompileFromFile(shadersFile, "PS", "ps_5_0", shaderFlags))
{
_pixelShader = new PixelShader(_dx11Context.Device, pixelShaderByteCode);
}
using (var pixelShaderByteCode = ShaderBytecode.CompileFromFile(shadersFile, "HS", "hs_5_0", shaderFlags))
{
_hShader = new HullShader(_dx11Context.Device, pixelShaderByteCode);
}
using (var pixelShaderByteCode = ShaderBytecode.CompileFromFile(shadersFile, "DS", "ds_5_0", shaderFlags))
{
_dShader = new DomainShader(_dx11Context.Device, pixelShaderByteCode);
}
_inputLayout = new InputLayout(_dx11Context.Device, _inputSignature, inputElements);
RasterizerStateDescription rasterizerStateDescription = RasterizerStateDescription.Default();
rasterizerStateDescription.CullMode = CullMode.None;
rasterizerStateDescription.FillMode = FillMode.Solid;
DepthStencilStateDescription DStateDescripshion = DepthStencilStateDescription.Default();
DStateDescripshion.IsDepthEnabled = true;
_DState = new DepthStencilState(_dx11Context.Device, DStateDescripshion);
_rasterizerState = new RasterizerState(_dx11Context.Device, rasterizerStateDescription);
_light.Direction = new Vector3(1f, -1f, 1f);
}
