public void Dispose()
{
ReflectionTexture.Clear();
BgTexture.Clear();
SkyTexture.Clear();
Wallpaper.Clear();
}
/// <summary>
/// Read texture data and bg color from environments
/// </summary>
public void HandleEnvironments(RenderEnvironment.Usage usage)
{
SimulatedEnvironment simenv;
switch (usage)
{
case RenderEnvironment.Usage.Background:
if (BackgroundEnvironment != null)
{
simenv = BackgroundEnvironment.SimulateEnvironment(true);
if (simenv != null)
{
BgColor = simenv.BackgroundColor;
}
BitmapConverter.EnvironmentBitmapFromEvaluator(BackgroundEnvironment, BgTexture, Gamma);
}
else
{
BgColor = Color.Empty;
BgTexture.Clear();
}
break;
case RenderEnvironment.Usage.Skylighting:
if (SkylightEnvironment != null)
{
simenv = SkylightEnvironment.SimulateEnvironment(true);
if (simenv != null)
{
SkyColor = simenv.BackgroundColor;
}
BitmapConverter.EnvironmentBitmapFromEvaluator(SkylightEnvironment, SkyTexture, Gamma);
}
else
{
SkyColor = Color.Empty;
SkyTexture.Clear();
}
break;
case RenderEnvironment.Usage.ReflectionAndRefraction:
if (ReflectionEnvironment != null)
{
simenv = ReflectionEnvironment.SimulateEnvironment(true);
if (simenv != null)
{
ReflectionColor = simenv.BackgroundColor;
}
BitmapConverter.EnvironmentBitmapFromEvaluator(ReflectionEnvironment, ReflectionTexture, Gamma);
}
else
{
ReflectionColor = Color.Empty;
ReflectionTexture.Clear();
}
break;
}
}
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;
}
protected override void setRenderbuffers()
{
/*Attach 1 depthbuffer*/
base.genRenderbuffers(1);
base.bindFramebuffer(1);
base.bindRenderbuffer(1);
base.renderbufferStorage(RenderbufferStorage.Depth24Stencil8,
ReflectionTexture.GetTextureRezolution());
base.attachRenderbufferToFramebuffer(FramebufferAttachment.DepthStencilAttachment);
}
protected override void setFramebuffers()
{
/*Create 2 framebuffers :
* 1 - for reflection
* 2 - for refraction*/
base.genFramebuffers(2);
base.bindFramebuffer(1);
base.attachTextureToFramebuffer(FramebufferAttachment.ColorAttachment0, ReflectionTexture.GetTextureDescriptor());
base.bindFramebuffer(2);
base.attachTextureToFramebuffer(FramebufferAttachment.ColorAttachment0, RefractionTexture.GetTextureDescriptor());
base.attachTextureToFramebuffer(FramebufferAttachment.DepthStencilAttachment, DepthTexture.GetTextureDescriptor());
}
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);
}
