public bool Initialze(DDX11 D3D, IntPtr windowHandle, DSystemConfiguration configuration)
{
// Create the user interface object.
UserInterface = new DUserInterface();
// Initialize the user interface object.
if (!UserInterface.Initialize(D3D, configuration))
{
return(false);
}
// Create the camera object
Camera = new DCamera();
// Initialize a base view matrix with the camera for 2D user interface rendering.
Camera.SetPosition(0.0f, 0.0f, -10.0f);
Camera.Render();
Camera.RenderBaseViewMatrix();
// Create the position object.
Position = new DPosition();
// Set the initial position and rotation of the viewer.28.0f, 5.0f, -10.0f
Position.SetPosition(512.0f, 30.0f, 1034.0f);
Position.SetRotation(0.0f, 180.0f, 0.0f);
// Create the light object.
Light = new DLight();
// Initialize the light object.
Light.SetDiffuseColor(1.0f, 1.0f, 1.0f, 1.0f);
Light.Direction = new Vector3(-0.5f, -1.0f, -0.5f);
// Create and initialize the frustum object.
Frustum = new DFrustum();
Frustum.Initialize(DSystemConfiguration.ScreenDepth);
// Create the sky dome object.
SkyDomeModel = new DSkyDome();
// Initialize the sky dome object.
if (!SkyDomeModel.Initialize(D3D.Device, "skydome.txt"))
{
return(false);
}
// Initialize the terrain object.
Terrain = new DTerrain();
// Initialize the ground model object.
if (!Terrain.Initialize(D3D.Device, "setupS2TutTerr08.txt"))
{
return(false);
}
// Set the UI to display by default.
DisplayUI = true;
// Set wire frame rendering initially to enabled.
WireFrame = false;
// Set the rendering of cell lines initially to enabled.
CellLines = true;
return(true);
}
public void Render(DeviceContext deviceContext, DFrustum frustum, DTerrainShader terrainShader)
{
// Reset the number of the triangles that are drawn for this frame.
DrawCount = 0;
// Render each node that is visible at the parent node and moving down the tree.
RenderNode(deviceContext, ParentNode, frustum, terrainShader);
}
private void RenderNode(DeviceContext deviceContext, DNodeType node, DFrustum frustum, DTerrainShader terrainShader)
{
// Check to see if the node can be viewed, height doesn't matter in a quad tree.
// If it can't be seen then none of its children can either, so don't continue down the tree, this is where the speed is gained.
if (!frustum.CheckCube(new SharpDX.Vector3(node.positionX, 0.0f, node.positionZ), (node.width / 2.0f))) // 63.7506409
{
return;
}
// If it can be seen then check all four child nodes to see if they can also be seen.
int count = 0;
for (int i = 0; i < 4; i++)
{ // parentNode.width > 0.0f && parentNode.Nodes[i].VertexBuffer != null
if (node.Nodes[i].width > 0.0f) //node.Nodes != null/ parentNode.Nodes[i].width > 0.0f
{
count++;
RenderNode(deviceContext, node.Nodes[i], frustum, terrainShader);
}
}
// If there were any children nodes then there is no need to continue as parent nodes won't contain any triangles to render.
if (count != 0)
{
return;
}
int vertexCount = node.TriangleCount * 3;
// Otherwise if this node can be seen and has triangles in it then render these triangles.
// Set vertex buffer stride and offset.
// Set the vertex buffer to active in the input assembler so it can be rendered.
deviceContext.InputAssembler.SetVertexBuffers(0, new VertexBufferBinding(node.VertexBuffer, Utilities.SizeOf <DTerrain.DVertexType>(), 0));
// Set the index buffer to active in the input assembler so it can be rendered.
deviceContext.InputAssembler.SetIndexBuffer(node.IndexBuffer, Format.R32_UInt, 0);
// Set the type of primitive that should be rendered from this vertex buffer, in this case triangles.
deviceContext.InputAssembler.PrimitiveTopology = PrimitiveTopology.TriangleList;
// Determine the number of indices in this node.
int indexCount = node.TriangleCount * 3;
// Call the terrain shader to render the polygons in this node.
terrainShader.RenderShader(deviceContext, indexCount);
// Increase the count of the number of polygons that have been rendered during this frame.
DrawCount += node.TriangleCount;
}
public bool RenderCell(DeviceContext deviceContext, int cellID, DFrustum frustum)
{
// Check if the cell is visible. If it is not visible then just return and don't render it.
if (!frustum.CheckRectangle2(TerrainCells[cellID].m_maxWidth, TerrainCells[cellID].m_maxHeight, TerrainCells[cellID].m_maxDepth, TerrainCells[cellID].m_minWidth, TerrainCells[cellID].m_minHeight, TerrainCells[cellID].m_minDepth))
{
// Increment the number of cells that were culled.
m_cellsCulled++;
return(false);
}
// If it is visible then render it.
TerrainCells[cellID].Render(deviceContext);
// Add the polygons in the cell to the render count.
m_renderCount += (TerrainCells[cellID].VertexCount / 3);
// Increment the number of cells that were actually drawn.
m_cellsDrawn++;
return(true);
}
// Methods.
public bool Initialize(DSystemConfiguration configuration, IntPtr windowHandle)
{
try
{
// Create the input object. The input object will be used to handle reading the keyboard and mouse input from the user.
Input = new DInput();
// Initialize the input object.
if (!Input.Initialize(configuration, windowHandle))
{
return(false);
}
// Create the Direct3D object.
D3D = new DDX11();
// Initialize the Direct3D object.
if (!D3D.Initialize(configuration, windowHandle))
{
return(false);
}
// Create the camera object
Camera = new DCamera();
// Initialize a base view matrix with the camera for 2D user interface rendering.
Camera.SetPosition(0.0f, 0.0f, -1.0f);
Camera.Render();
Matrix baseViewMatrix = Camera.ViewMatrix;
// Set the initial position of the camera. (Since the ViewMatrix is already created from a base position.)
Camera.SetPosition(50.0f, 18.0f, 7.0f);
// Create the model object.
TerrainModel = new DTerrain();
// Initialize the terrain object.
if (!TerrainModel.Initialize(D3D.Device, "heightMap01.bmp", "dirt03.bmp"))
{
return(false);
}
// Create the position object.
Position = new DPosition();
// Set the initial position of the viewer to the same as the initial camera position.
Position.SetPosition(Camera.GetPosition().X, Camera.GetPosition().Y, Camera.GetPosition().Z);
// Position.SetRotation(0.0f, 249.067368f, 0.0f);
// Create the fps object.
FPS = new DFPS();
// Initialize the fps object.
FPS.Initialize();
// Create the cpu object.
CPU = new DCPU();
// Initialize the cpu object.
CPU.Initialize();
// Create the text object.
Text = new DText();
// Initialize the text object.
if (!Text.Initialize(D3D.Device, D3D.DeviceContext, windowHandle, configuration.Width, configuration.Height, baseViewMatrix))
{
return(false);
}
// Set the video card information in the text object.
if (!Text.SetVideoCard(D3D.VideoCardDescription, D3D.VideoCardMemory, D3D.DeviceContext))
{
return(false);
}
// Create the color shader object.HeightMapTerrainShader
TerrainShader = new DTerrainShader();
// Initialize the color shader object.
if (!TerrainShader.Initialize(D3D.Device, windowHandle))
{
return(false);
}
// Create the light object.
Light = new DLight();
// Initialize the light object.
Light.SetAmbientColor(0.05f, 0.05f, 0.05f, 1.0f);
Light.SetDiffuseColor(1.0f, 1.0f, 1.0f, 1.0f);
Light.Direction = new Vector3(-0.5f, -1.0f, 0.0f);
// Create the frustum object.
Frustum = new DFrustum();
// Create the quad tree object.
QuadTree = new DQuadTree();
// Initialize the quad tree object.
if (!QuadTree.Initialize(TerrainModel, D3D.Device))
{
return(false);
}
return(true);
}
catch (Exception ex)
{
MessageBox.Show("Could not initialize Direct3D\nError is '" + ex.Message + "'");
return(false);
}
}
// Methods.
public bool Initialize(DSystemConfiguration configuration, IntPtr windowHandle)
{
try
{
// Create the Direct3D object.
D3D = new DDX11();
// Initialize the Direct3D object.
if (!D3D.Initialize(configuration, windowHandle))
{
return(false);
}
// Create the camera object
Camera = new DCamera();
// Initialize a base view matrix the camera for 2D user interface rendering.
Camera.SetPosition(0, 0, -1);
Camera.Render();
var baseViewMatrix = Camera.ViewMatrix;
// Create the text object.
Text = new DTextClass();
if (!Text.Initialize(D3D.Device, D3D.DeviceContext, windowHandle, configuration.Width, configuration.Height, baseViewMatrix))
{
return(false);
}
// Create the model class.
Model = new DModel();
// Initialize the model object.
if (!Model.Initialize(D3D.Device, "sphere.txt", "seafloor.bmp"))
{
MessageBox.Show("Could not initialize the model object", "Error", MessageBoxButtons.OK);
return(false);
}
// Create the light shader object.
LightShader = new DLightShader();
// Initialize the light shader object.
if (!LightShader.Initialize(D3D.Device, windowHandle))
{
MessageBox.Show("Could not initialize the light shader", "Error", MessageBoxButtons.OK);
return(false);
}
// Create the light object.
Light = new DLight();
// Initialize the light object.
Light.SetDirection(0.0f, 0.0f, 1.0f);
// Create the model list object.
ModelList = new DModelList();
// Initialize the model list object.
if (!ModelList.Initialize(25))
{
MessageBox.Show("Could not initialize the model list object", "Error", MessageBoxButtons.OK);
return(false);
}
// Create the frustum object.
Frustum = new DFrustum();
return(true);
}
catch (Exception ex)
{
MessageBox.Show("Could not initialize Direct3D\nError is '" + ex.Message + "'");
return(false);
}
}
