private void AddSponzaAtriumObjects()
{
ObjParser parser = new ObjParser();
using (FileStream objStream = File.OpenRead(AssetHelper.GetPath("Models/SponzaAtrium/sponza.obj")))
{
ObjFile atriumFile = parser.Parse(objStream);
MtlFile atriumMtls;
using (FileStream mtlStream = File.OpenRead(AssetHelper.GetPath("Models/SponzaAtrium/sponza.mtl")))
{
atriumMtls = new MtlParser().Parse(mtlStream);
}
foreach (ObjFile.MeshGroup group in atriumFile.MeshGroups)
{
Vector3 scale = new Vector3(0.1f);
ConstructedMeshInfo mesh = atriumFile.GetMesh(group);
MaterialDefinition materialDef = atriumMtls.Definitions[mesh.MaterialName];
ImageSharpTexture overrideTextureData = null;
ImageSharpTexture alphaTexture = null;
MaterialPropsAndBuffer materialProps = CommonMaterials.Brick;
if (materialDef.DiffuseTexture != null)
{
string texturePath = AssetHelper.GetPath("Models/SponzaAtrium/" + materialDef.DiffuseTexture);
overrideTextureData = LoadTexture(texturePath, true);
}
if (materialDef.AlphaMap != null)
{
string texturePath = AssetHelper.GetPath("Models/SponzaAtrium/" + materialDef.AlphaMap);
alphaTexture = LoadTexture(texturePath, false);
}
if (materialDef.Name.Contains("vase"))
{
materialProps = CommonMaterials.Vase;
}
if (group.Name == "sponza_117")
{
MirrorMesh.Plane = Plane.CreateFromVertices(
atriumFile.Positions[group.Faces[0].Vertex0.PositionIndex] * scale.X,
atriumFile.Positions[group.Faces[0].Vertex1.PositionIndex] * scale.Y,
atriumFile.Positions[group.Faces[0].Vertex2.PositionIndex] * scale.Z);
materialProps = CommonMaterials.Reflective;
}
AddTexturedMesh(
mesh,
overrideTextureData,
alphaTexture,
materialProps,
Vector3.Zero,
Quaternion.Identity,
scale,
group.Name);
}
}
}
private static ConstructedMeshInfo LoadTeapotMesh()
{
if (_teapotMesh == null)
{
string path = Path.Combine(AppContext.BaseDirectory, "Assets", "Models", "Teapot.obj");
using (var fs = File.OpenRead(path))
{
_teapotMesh = new ObjParser().Parse(fs).GetFirstMesh();
}
}
return(_teapotMesh);
}
public PreviewScene(RenderContext rc, ConstructedMeshInfo previewItem)
{
_rc = rc;
ResourceFactory factory = rc.ResourceFactory;
_fb = factory.CreateFramebuffer(Width, Height);
_projection = factory.CreateConstantBuffer(ShaderConstantType.Matrix4x4);
UpdateProjectionData();
_view = factory.CreateConstantBuffer(ShaderConstantType.Matrix4x4);
_view.SetData(Matrix4x4.CreateLookAt(Vector3.UnitZ * 7f + Vector3.UnitY * 1.5f, Vector3.Zero, Vector3.UnitY));
_lightProjection = factory.CreateConstantBuffer(ShaderConstantType.Matrix4x4);
_lightProjection.SetData(Matrix4x4.CreateOrthographicOffCenter(-18, 18, -18, 18, -10, 60f));
_lightView = factory.CreateConstantBuffer(ShaderConstantType.Matrix4x4);
_lightView.SetData(Matrix4x4.CreateLookAt(-_lightDirection * 20f, Vector3.Zero, Vector3.UnitY));
_lightInfo = factory.CreateConstantBuffer(ShaderConstantType.Float4);
_lightInfo.SetData(new Vector4(_lightDirection, 1));
_standardPipelineStage = new StandardPipelineStage(rc, "Standard", _fb);
_shadowMapStage = new ShadowMapStage(rc, "ShadowMap_Preview");
_stages = new PipelineStage[]
{
_shadowMapStage,
_standardPipelineStage,
};
SceneBuffers.Add("ProjectionMatrix", _projection);
SceneBuffers.Add("ViewMatrix", _view);
SceneBuffers.Add("LightProjMatrix", _lightProjection);
SceneBuffers.Add("LightViewMatrix", _lightView);
SceneBuffers.Add("LightInfo", _lightInfo);
_floor = CreatePreviewModel(PlaneModel.Vertices, PlaneModel.Indices);
_floor.WorldMatrix.Data = Matrix4x4.CreateScale(10f, 1f, 10f);
_previewItem = CreatePreviewModel(previewItem.Vertices, previewItem.Indices);
_previewItem.WorldMatrix.Data = Matrix4x4.CreateTranslation(0, 1.5f, 0);
_visiblityManager = new FlatListVisibilityManager();
_visiblityManager.AddRenderItem(_floor);
_visiblityManager.AddRenderItem(_previewItem);
}
private void AddSponzaAtriumObjects(CommandList cl)
{
ObjParser parser = new ObjParser();
using (FileStream objStream = File.OpenRead(AssetHelper.GetPath("Models/SponzaAtrium/sponza.obj")))
{
ObjFile atriumFile = parser.Parse(objStream);
MtlFile atriumMtls;
using (FileStream mtlStream = File.OpenRead(AssetHelper.GetPath("Models/SponzaAtrium/sponza.mtl")))
{
atriumMtls = new MtlParser().Parse(mtlStream);
}
foreach (ObjFile.MeshGroup group in atriumFile.MeshGroups)
{
ConstructedMeshInfo mesh = atriumFile.GetMesh(group);
MaterialDefinition materialDef = atriumMtls.Definitions[mesh.MaterialName];
ImageSharpTexture overrideTextureData = null;
ImageSharpTexture alphaTexture = null;
MaterialPropsAndBuffer materialProps = CommonMaterials.Brick;
if (materialDef.DiffuseTexture != null)
{
string texturePath = AssetHelper.GetPath("Models/SponzaAtrium/" + materialDef.DiffuseTexture);
overrideTextureData = LoadTexture(texturePath, true);
}
if (materialDef.AlphaMap != null)
{
string texturePath = AssetHelper.GetPath("Models/SponzaAtrium/" + materialDef.AlphaMap);
alphaTexture = LoadTexture(texturePath, false);
}
if (materialDef.Name.Contains("vase"))
{
materialProps = CommonMaterials.Vase;
}
AddTexturedMesh(cl, mesh, overrideTextureData, alphaTexture, materialProps, Vector3.Zero, Quaternion.Identity, new Vector3(0.1f));
}
}
}
