public void Shutdown()
{
// Release the position object.
Position = null;
// Release the light object.
Light = null;
// Release the fps object.
FPS = null;
// Release the camera object.
Camera = null;
// Release the text object.
Text?.Shutdown();
Text = null;
// Release the cpu object.
CPU?.Shutdown();
CPU = null;
// Release the water shader object.
WaterShader?.ShutDown();
WaterShader = null;
// Release the water object.
WaterModel?.ShutDown();
WaterModel = null;
// Release the reflection shader object.
ReflectionShader?.ShutDown();
ReflectionShader = null;
// Release the reflection render to texture object.
ReflectionTexture?.Shutdown();
ReflectionTexture = null;
// Release the refraction render to texture object.
RefractionTexture?.Shutdown();
RefractionTexture = null;
// Release the sky plane shader object.
SkyPlaneShader?.ShutDown();
SkyPlaneShader = null;
// Release the sky plane object.
SkyPlane?.ShurDown();
SkyPlane = null;
// Release the sky dome shader object.
SkyDomeShader?.ShutDown();
SkyDomeShader = null;
// Release the sky dome object.
SkyDome?.ShutDown();
SkyDome = null;
// Release the terrain shader object.
TerrainShader?.ShutDown();
TerrainShader = null;
// Release the tree object.
TerrainModel?.ShutDown();
TerrainModel = null;
// Release the input object.
Input?.Shutdown();
Input = null;
// Release the Direct3D object.
D3D?.ShutDown();
D3D = null;
}
private bool Render()
{
// Clear the scene.
D3D.BeginScene(0.0f, 0.0f, 0.0f, 1.0f);
// Generate the view matrix based on the camera's position.
Camera.Render();
// Get the world, view, projection, ortho, base view and reflection matrices from the camera and Direct3D objects.
Matrix worldMatrix = D3D.WorldMatrix;
Matrix viewCameraMatrix = Camera.ViewMatrix;
Matrix projectionMatrix = D3D.ProjectionMatrix;
Matrix orthoMatrix = D3D.OrthoMatrix;
Matrix baseViewMatrix = Camera.BaseViewMatrix;
Matrix reflectionMatrix = Camera.ReflectionViewMatrix;
// Get the position of the camera.
Vector3 cameraPosition = Camera.GetPosition();
// Translate the sky dome to be centered around the camera position.
Matrix.Translation(cameraPosition.X, cameraPosition.Y, cameraPosition.Z, out worldMatrix);
// Turn off back face culling and the Z buffer.
D3D.TurnOffCulling();
D3D.TurnZBufferOff();
// Render the sky dome using the sky dome shader.
SkyDome.Render(D3D.DeviceContext);
if (!SkyDomeShader.Render(D3D.DeviceContext, SkyDome.IndexCount, worldMatrix, viewCameraMatrix, projectionMatrix, SkyDome.ApexColour, SkyDome.CenterColour))
{
return(false);
}
// Turn back face culling back on.
D3D.TurnOnCulling();
// Enable additive blending so the clouds blend with the sky dome color.
D3D.EnableSecondBlendState();
// Render the sky plane using the sky plane shader.
SkyPlane.Render(D3D.DeviceContext);
if (!SkyPlaneShader.Render(D3D.DeviceContext, SkyPlane.IndexCount, worldMatrix, viewCameraMatrix, projectionMatrix, SkyPlane.CloudTexture.TextureResource, SkyPlane.PerturbTexture.TextureResource, SkyPlane.m_Translation, SkyPlane.m_Scale, SkyPlane.m_Brightness))
{
return(false);
}
// Turn off blending.
D3D.TurnOffAlphaBlending();
// Turn the Z buffer back on.
D3D.TurnZBufferOn();
// Reset the world matrix.
worldMatrix = D3D.WorldMatrix;
// Render the terrain using the terrain shader.
TerrainModel.Render(D3D.DeviceContext);
if (!TerrainShader.Render(D3D.DeviceContext, TerrainModel.IndexCount, worldMatrix, viewCameraMatrix, projectionMatrix, TerrainModel.ColorTexture.TextureResource, TerrainModel.NormalMapTexture.TextureResource, Light.DiffuseColour, Light.Direction, 2.0f))
{
return(false);
}
// Translate to the location of the water and render it.
Matrix.Translation(240.0f, WaterModel.WaterHeight, 250.0f, out worldMatrix);
WaterModel.Render(D3D.DeviceContext);
if (!WaterShader.Render(D3D.DeviceContext, WaterModel.IndexCount, worldMatrix, viewCameraMatrix, projectionMatrix, reflectionMatrix, ReflectionTexture.ShaderResourceView, RefractionTexture.ShaderResourceView, WaterModel.Texture.TextureResource, Camera.GetPosition(), WaterModel.NormalMapTiling, WaterModel.WaterTranslation, WaterModel.ReflectRefractScale, WaterModel.RefractionTint, Light.Direction, WaterModel.SpecularShininess))
{
return(false);
}
// Reset the world matrix.
worldMatrix = D3D.WorldMatrix;
// Turn off the Z buffer to begin all 2D rendering.
D3D.TurnZBufferOff();
// Turn on the alpha blending before rendering the text.
D3D.TurnOnAlphaBlending();
// Render the text user interface elements.
Text.Render(D3D.DeviceContext, worldMatrix, orthoMatrix);
// Turn off alpha blending after rendering the text.
D3D.TurnOffAlphaBlending();
// Turn the Z buffer back on now that all 2D rendering has completed.
D3D.TurnZBufferOn();
// Present the rendered scene to the screen.
D3D.EndScene();
return(true);
}
private bool RenderReflectionToTexture()
{
// Setup a clipping plane based on the height of the water to clip everything below it.
Vector4 clipPlane = new Vector4(0.0f, 1.0f, 0.0f, -WaterModel.WaterHeight);
// Set the render target to be the reflection render to texture.
ReflectionTexture.SetRenderTarget(D3D.DeviceContext);
// Clear the reflection render to texture.
ReflectionTexture.ClearRenderTarget(D3D.DeviceContext, 0.0f, 0.0f, 0.0f, 1.0f);
// Use the camera to render the reflection and create a reflection view matrix.
Camera.RenderReflection(WaterModel.WaterHeight);
// Get the camera reflection view matrix instead of the normal view matrix.
Matrix reflectionViewMatrix = Camera.ReflectionViewMatrix;
// Get the world and projection matrices from the d3d object.
Matrix worldMatrix = D3D.WorldMatrix;
Matrix projectionMatrix = D3D.ProjectionMatrix;
// Get the position of the camera.
Vector3 cameraPosition = Camera.GetPosition();
// Invert the Y coordinate of the camera around the water plane height for the reflected camera position.
cameraPosition.Y = -cameraPosition.Y + (WaterModel.WaterHeight * 2.0f);
// Translate the sky dome and sky plane to be centered around the reflected camera position.
Matrix.Translation(cameraPosition.X, cameraPosition.Y, cameraPosition.Z, out worldMatrix);
// Turn off back face culling and the Z buffer.
D3D.TurnOffCulling();
D3D.TurnZBufferOff();
// Render the sky dome using the reflection view matrix.
SkyDome.Render(D3D.DeviceContext);
if (!SkyDomeShader.Render(D3D.DeviceContext, SkyDome.IndexCount, worldMatrix, reflectionViewMatrix, projectionMatrix, SkyDome.ApexColour, SkyDome.CenterColour))
{
return(false);
}
// Enable back face culling.
D3D.TurnOnCulling();
// Enable additive blending so the clouds blend with the sky dome color.
D3D.EnableSecondBlendState();
// Render the sky plane using the sky plane shader.
SkyPlane.Render(D3D.DeviceContext);
if (!SkyPlaneShader.Render(D3D.DeviceContext, SkyPlane.IndexCount, worldMatrix, reflectionViewMatrix, projectionMatrix, SkyPlane.CloudTexture.TextureResource, SkyPlane.PerturbTexture.TextureResource, SkyPlane.m_Translation, SkyPlane.m_Scale, SkyPlane.m_Brightness))
{
return(false);
}
// Turn off blending and enable the Z buffer again.
D3D.TurnOffAlphaBlending();
D3D.TurnZBufferOn();
// Reset the world matrix.
worldMatrix = D3D.WorldMatrix;
// Render the terrain using the reflection view matrix and reflection clip plane.
TerrainModel.Render(D3D.DeviceContext);
if (!ReflectionShader.Render(D3D.DeviceContext, TerrainModel.IndexCount, worldMatrix, reflectionViewMatrix, projectionMatrix, TerrainModel.ColorTexture.TextureResource, TerrainModel.NormalMapTexture.TextureResource, Light.DiffuseColour, Light.Direction, 2.0f, clipPlane))
{
return(false);
}
// Reset the render target back to the original back buffer and not the render to texture anymore.
D3D.SetBackBufferRenderTarget();
// Reset the viewport back to the original.
D3D.ResetViewPort();
return(true);
}
private bool RenderGraphics()
{
// Clear the scene.
D3D.BeginScene(0.0f, 0.0f, 0.0f, 1.0f);
// Generate the view matrix based on the camera's position.
Camera.Render();
// Get the world, view, projection, and ortho matrices from the camera and Direct3D objects.
Matrix worldMatrix = D3D.WorldMatrix;
Matrix cameraViewMatrix = Camera.ViewMatrix;
Matrix projectionMatrix = D3D.ProjectionMatrix;
Matrix orthoD3DMatrix = D3D.OrthoMatrix;
// Get the position of the camera.
Vector3 cameraPostion = Camera.GetPosition();
// Translate the sky dome to be centered around the camera position.
Matrix.Translation(cameraPostion.X, cameraPostion.Y, cameraPostion.Z, out worldMatrix);
// Turn off back face culling.
D3D.TurnOffCulling();
// Turn off the Z buffer.
D3D.TurnZBufferOff();
// Render the sky dome using the sky dome shader.
SkyDome.Render(D3D.DeviceContext);
if (!SkyDomeShader.Render(D3D.DeviceContext, SkyDome.IndexCount, worldMatrix, cameraViewMatrix, projectionMatrix, SkyDome.ApexColour, SkyDome.CenterColour))
{
return(false);
}
// Turn back face culling back on.
D3D.TurnOnCulling();
// Enable additive blending so the clouds blend with the sky dome color.
D3D.EnableSecondBlendState();
// Render the sky plane using the sky plane shader.
SkyPlane.Render(D3D.DeviceContext);
if (!SkyPlaneShader.Render(D3D.DeviceContext, SkyPlane.IndexCount, worldMatrix, cameraViewMatrix, projectionMatrix, SkyPlane.CloudTexture.TextureResource, SkyPlane.PerturbTexture.TextureResource, SkyPlane.m_Translation, SkyPlane.m_Scale, SkyPlane.m_Brightness))
{
return(false);
}
// Turn off blending
D3D.TurnOffAlphaBlending();
// Turn the Z buffer back on.
D3D.TurnZBufferOn();
// Reset the world matrix.
worldMatrix = D3D.WorldMatrix;
// Render the terrain buffers.
TerrainModel.Render(D3D.DeviceContext);
// Render the model using the color shader.
if (!TerrainShader.Render(D3D.DeviceContext, TerrainModel.IndexCount, worldMatrix, cameraViewMatrix, projectionMatrix, Light.AmbientColor, Light.DiffuseColour, Light.Direction, TerrainModel.Texture.TextureResource))
{
return(false);
}
//// Turn off the Z buffer to begin all 2D rendering.
D3D.TurnZBufferOff();
//// Turn on the alpha blending before rendering the text.
D3D.TurnOnAlphaBlending();
// Render the text user interface elements.
if (!Text.Render(D3D.DeviceContext, worldMatrix, orthoD3DMatrix))
{
return(false);
}
//// Turn off alpha blending after rendering the text.
D3D.TurnOffAlphaBlending();
//// Turn the Z buffer back on now that all 2D rendering has completed.
D3D.TurnZBufferOn();
// Present the rendered scene to the screen.
D3D.EndScene();
return(true);
}