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, 100.0f, 1084.0f);
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 = false;
// Set the user locked to the terrain height for movement.
HeightLocked = true;
return(true);
}
public bool Render(DDX11 direct3D, DShaderManager shaderManager, DTextureManager textureManager)
{
// Generate the view matrix based on the camera's position.
Camera.Render();
// Get the world, view, and projection matrices from the camera and d3d objects.
Matrix worldMatrix = direct3D.WorldMatrix;
Matrix viewCameraMatrix = Camera.ViewMatrix;
Matrix projectionMatrix = direct3D.ProjectionMatrix;
Matrix baseViewMatrix = Camera.BaseViewMatrix;
Matrix orthoMatrix = direct3D.OrthoMatrix;
// Construct the frustum.
Frustum.ConstructFrustum(projectionMatrix, viewCameraMatrix);
// Clear the buffers to begin the scene.
direct3D.BeginScene(0.0f, 0.0f, 0.0f, 1.0f);
// Turn off back face culling and turn off the Z buffer.
direct3D.TurnOffCulling();
direct3D.TurnZBufferOff();
// Translate the sky dome to be centered around the camera position.
Matrix.Translation(Camera.GetPosition().X, Camera.GetPosition().Y, Camera.GetPosition().Z, out worldMatrix);
// Render the sky dome using the sky dome shader.
SkyDomeModel.Render(direct3D.DeviceContext);
if (!shaderManager.RenderSkyDomeShader(direct3D.DeviceContext, SkyDomeModel.IndexCount, worldMatrix, viewCameraMatrix, projectionMatrix, SkyDomeModel.m_apexColor, SkyDomeModel.m_centerColor))
{
return(false);
}
// Reset the world matrix.
worldMatrix = direct3D.WorldMatrix;
// Turn the Z buffer back and back face culling on.
direct3D.TurnZBufferOn();
direct3D.TurnOnCulling();
// Turn on wire frame rendering of the terrain if needed.
if (WireFrame)
{
direct3D.EnableWireFrame();
}
// Render the terrain cells (and cell lines if needed).
for (int i = 0; i < Terrain.m_CellCount; i++)
{
// Render each terrain cell if it is visible only.
if (Terrain.RenderCell(direct3D.DeviceContext, i, Frustum))
{
// Render the cell buffers using the terrain shader.
if (!shaderManager.RenderTerrainShader(direct3D.DeviceContext, Terrain.GetCellIndexCount(i), worldMatrix, viewCameraMatrix, projectionMatrix, textureManager.TextureArray[0].TextureResource, textureManager.TextureArray[1].TextureResource, textureManager.TextureArray[2].TextureResource, textureManager.TextureArray[3].TextureResource, Light.Direction, Light.DiffuseColour))
{
return(false);
}
// If needed then render the bounding box around this terrain cell using the color shader.
if (CellLines)
{
Terrain.RenderCellLines(direct3D.DeviceContext, i);
if (!shaderManager.RenderColorShader(direct3D.DeviceContext, Terrain.GetCellLinesIndexCount(i), worldMatrix, viewCameraMatrix, projectionMatrix))
{
return(false);
}
}
}
}
// Turn off wire frame rendering of the terrain if it was on.
if (WireFrame)
{
direct3D.DisableWireFrame();
}
// Update the render counts in the UI.
if (!UserInterface.UpdateRenderCountStrings(Terrain.m_renderCount, Terrain.m_cellsDrawn, Terrain.m_cellsCulled, direct3D.DeviceContext))
{
return(false);
}
// Render the user interface.
if (DisplayUI)
{
if (!UserInterface.Render(direct3D, shaderManager, worldMatrix, baseViewMatrix, orthoMatrix))
{
return(false);
}
}
// Present the rendered scene to the screen.
direct3D.EndScene();
return(true);
}
