ViewEntity, idTech4.Renderer C# (CSharp) Code Examples

Example #1

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File: idGuiModel.cs Project: iainmckay/idtech4.net

		private void EmitSurface(GuiModelSurface surface, Matrix modelMatrix, Matrix modelViewMatrix, bool depthHack)
		{
			if(surface.VertexCount == 0)
			{
				// nothing in the surface
				return;
			}

			// copy verts and indexes
			Surface tri = new Surface();
			tri.Indexes = new int[surface.IndexCount];
			tri.Vertices = new Vertex[surface.VertexCount];

			_indexes.CopyTo(surface.FirstIndex, tri.Indexes, 0, surface.IndexCount);

			// we might be able to avoid copying these and just let them reference the list vars
			// but some things, like deforms and recursive
			// guis, need to access the verts in cpu space, not just through the vertex range
			_vertices.CopyTo(surface.FirstVertex, tri.Vertices, 0, surface.VertexCount);

			// move the verts to the vertex cache
			tri.AmbientCache = idE.RenderSystem.AllocateVertexCacheFrameTemporary(tri.Vertices);

			// if we are out of vertex cache, don't create the surface
			if(tri.AmbientCache == null)
			{
				return;
			}

			RenderEntityComponent renderEntity = new RenderEntityComponent();
			renderEntity.MaterialParameters[0] = surface.Color.X;
			renderEntity.MaterialParameters[1] = surface.Color.Y;
			renderEntity.MaterialParameters[2] = surface.Color.Z;
			renderEntity.MaterialParameters[3] = surface.Color.W;

			ViewEntity guiSpace = new ViewEntity();
			guiSpace.ModelMatrix = modelMatrix;
			guiSpace.ModelViewMatrix = modelViewMatrix;
			guiSpace.WeaponDepthHack = depthHack;

			// add the surface, which might recursively create another gui
			idE.RenderSystem.AddDrawSurface(tri, guiSpace, renderEntity, surface.Material, idE.RenderSystem.ViewDefinition.Scissor);
		}

Example #2

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File: idRenderWorld.cs Project: iainmckay/idtech4.net

		private idScreenRect ScreenRectangleFromWinding(idWinding winding, ViewEntity space)
		{
			idScreenRect rect = new idScreenRect();
			Vector3 v, ndc;

			View viewDef = idE.RenderSystem.ViewDefinition;

			for(int i = 0; i < winding.PointCount; i++)
			{
				idHelper.LocalPointToGlobal(space.ModelMatrix, winding[i], out v);
				idHelper.GlobalToNormalizedDeviceCoordinates(v, out ndc);

				float windowX = 0.5f * (1.0f + ndc.X) * (viewDef.ViewPort.X2 - viewDef.ViewPort.X1);
				float windowY = 0.5f * (1.0f + ndc.Y) * (viewDef.ViewPort.Y2 - viewDef.ViewPort.Y1);

				rect.AddPoint(windowX, windowY);
			}

			rect.Expand();
		
			return rect;
		}

Example #3

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File: idRenderWorld.cs Project: iainmckay/idtech4.net

		/// <summary>
		/// If the entityDef isn't already on the viewEntity list, create
		/// a viewEntity and add it to the list with an empty scissor rect.
		/// </summary>
		/// <remarks>
		/// This does not instantiate dynamic models for the entity yet.
		/// </remarks>
		/// <param name="def"></param>
		/// <returns></returns>
		private ViewEntity SetEntityDefViewEntity(idRenderEntity def)
		{
			if(def.ViewCount == idE.RenderSystem.ViewCount)
			{
				return def.ViewEntity;
			}

			def.ViewCount = idE.RenderSystem.ViewCount;

			// set the model and modelview matricies
			ViewEntity viewModel = new ViewEntity();
			viewModel.EntityDef = def;

			// the scissorRect will be expanded as the model bounds is accepted into visible portal chains
			viewModel.ScissorRectangle.Clear();

			// copy the model and weapon depth hack for back-end use
			viewModel.ModelDepthHack = def.Parameters.ModelDepthHack;
			viewModel.WeaponDepthHack = def.Parameters.WeaponDepthHack;

			viewModel.ModelMatrix = idHelper.AxisToModelMatrix(def.Parameters.Axis, def.Parameters.Origin);

			// we may not have a viewDef if we are just creating shadows at entity creation time
			if(idE.RenderSystem.ViewDefinition != null)
			{
				idHelper.ConvertMatrix(viewModel.ModelMatrix, idE.RenderSystem.ViewDefinition.WorldSpace.ModelViewMatrix, out viewModel.ModelViewMatrix);

				idE.RenderSystem.ViewDefinition.ViewEntities = new List<ViewEntity>();
				idE.RenderSystem.ViewDefinition.ViewEntities.Add(viewModel);
			}

			def.ViewEntity = viewModel;

			return viewModel;
		}

Example #4

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