void UpdateReflectionTexture( ReflectionTextureItem item )
{
//changing during update
bool saveDrawDecorativeObjects = false;
Dictionary<HeightmapTerrain, bool> saveHeightmapTerrainsSimpleRenderingState =
new Dictionary<HeightmapTerrain, bool>();
//configure camera and entities
{
Camera camera = item.reflectionCamera;
Camera mainCamera = item.mainCamera;
camera.NearClipDistance = mainCamera.NearClipDistance;
camera.FarClipDistance = mainCamera.FarClipDistance;
camera.AspectRatio = mainCamera.AspectRatio;
camera.Fov = mainCamera.Fov;
camera.Position = mainCamera.Position;
camera.FixedUp = mainCamera.FixedUp;
camera.Direction = mainCamera.Direction;
Plane reflectionPlane = new Plane( Vec3.ZAxis, Position.Z );
camera.DisableReflection();
camera.EnableReflection( reflectionPlane );
//set clip planes
{
Plane clipPlane = new Plane( Vec3.ZAxis, Position.Z );
Plane[] clipPlanes = new Plane[ 5 ];
clipPlanes[ 0 ] = clipPlane;
Vec3 reflectedCameraPosition = camera.GetReflectionMatrix() * camera.Position;
Bounds bounds = new Bounds( Position );
bounds.Expand( new Vec3( Size.X, Size.Y, 0 ) * .5f );
Vec3 p0 = new Vec3( bounds.Minimum.X, bounds.Minimum.Y, Position.Z );
Vec3 p1 = new Vec3( bounds.Maximum.X, bounds.Minimum.Y, Position.Z );
Vec3 p2 = new Vec3( bounds.Maximum.X, bounds.Maximum.Y, Position.Z );
Vec3 p3 = new Vec3( bounds.Minimum.X, bounds.Maximum.Y, Position.Z );
clipPlanes[ 1 ] = Plane.FromPoints( reflectedCameraPosition, p0, p1 );
clipPlanes[ 2 ] = Plane.FromPoints( reflectedCameraPosition, p1, p2 );
clipPlanes[ 3 ] = Plane.FromPoints( reflectedCameraPosition, p2, p3 );
clipPlanes[ 4 ] = Plane.FromPoints( reflectedCameraPosition, p3, p0 );
camera.SetClipPlanesForAllGeometry( clipPlanes );
}
//set reflection level settings
if( DecorativeObjectManager.Instance != null )
saveDrawDecorativeObjects = DecorativeObjectManager.Instance.Visible;
camera.DrawStaticGeometry = true;
camera.DrawModels = true;
camera.DrawEffects = true;
if( (int)ReflectionLevel < (int)ReflectionLevels.OnlyStaticGeometry )
camera.DrawStaticGeometry = false;
if( (int)ReflectionLevel < (int)ReflectionLevels.OnlyModels )
camera.DrawModels = false;
if( (int)ReflectionLevel < (int)ReflectionLevels.ReflectAll )
{
camera.DrawEffects = false;
if( DecorativeObjectManager.Instance != null )
DecorativeObjectManager.Instance.Visible = false;
}
//activate simple rendering mode for terrains
foreach( HeightmapTerrain terrain in HeightmapTerrain.Instances )
{
saveHeightmapTerrainsSimpleRenderingState.Add( terrain, terrain.SimpleRendering );
terrain.SimpleRendering = true;
}
}
//get clip volumes
List<Box> clipVolumes = new List<Box>();
foreach( WaterPlaneClipVolume volume in WaterPlaneClipVolume.Instances )
{
if( volume.Editor_IsExcludedFromWorld() )
continue;
clipVolumes.Add( volume.GetBox() );
}
//bind clip volumes
if( clipVolumes.Count != 0 )
RenderingLowLevelMethodsImpl.PushClipVolumes( clipVolumes.ToArray() );
//render
item.reflectionRenderTexture.Update( false );
//unbind clip volumes
if( clipVolumes.Count != 0 )
RenderingLowLevelMethodsImpl.PopClipVolumes();
//restore entity settings
{
//RenderSystem.Instance.ResetScissorTest();
//restore simple rendering mode state for terrains
foreach( HeightmapTerrain terrain in HeightmapTerrain.Instances )
{
bool simpleRendering;
if( saveHeightmapTerrainsSimpleRenderingState.TryGetValue( terrain, out simpleRendering ) )
terrain.SimpleRendering = simpleRendering;
}
saveHeightmapTerrainsSimpleRenderingState.Clear();
//restore draw settings
if( DecorativeObjectManager.Instance != null )
DecorativeObjectManager.Instance.Visible = saveDrawDecorativeObjects;
}
}
ReflectionTextureItem CreateReflectionTextureItem( Viewport viewport )
{
ReflectionTextureItem item = new ReflectionTextureItem();
item.viewport = viewport;
item.mainCamera = viewport.ViewportCamera;
Vec2I textureSize = GetRequiredReflectionTextureSize( viewport );
//Log.Info( "CreateReflectionTextureItem: " + textureSize.ToString() );
//create render texture
string textureName = TextureManager.Instance.GetUniqueName( "WaterPlaneReflection" );
PixelFormat format = UseHDRTexture ? PixelFormat.Float16RGB : PixelFormat.R8G8B8;
item.reflectionTexture = TextureManager.Instance.Create( textureName, Texture.Type.Type2D,
textureSize, 1, 0, format, Texture.Usage.RenderTarget );
if( item.reflectionTexture == null )
{
Log.Warning( "WaterPlane: CreateReflectionTextureItem: Unable to create texture." );
return null;
}
item.hdrTexture = UseHDRTexture;
item.reflectionRenderTexture = item.reflectionTexture.GetBuffer().GetRenderTarget();
item.reflectionRenderTexture.AutoUpdate = false;
//uncomment it when need Soft-Particles for reflections
//item.reflectionRenderTexture.AllowAdditionalMRTs = true;
//create camera
item.reflectionCamera = SceneManager.Instance.CreateCamera(
SceneManager.Instance.GetUniqueCameraName( "WaterPlane" ) );
item.reflectionCamera.Purpose = Camera.Purposes.Special;
item.reflectionCamera.AllowMapCompositorManager = false;
item.reflectionCamera.AllowFrustumTestMode = true;
//add viewport
item.reflectionViewport = item.reflectionRenderTexture.AddViewport( item.reflectionCamera );
item.reflectionViewport.ShadowsEnabled = false;
item.reflectionViewport.MaterialScheme = MaterialSchemes.Low.ToString();
//add to list
reflectionTextureItems.Add( item );
return item;
}
void DestroyReflectionTextureItem( ReflectionTextureItem item )
{
//Log.Info( "DestroyReflectionTextureItem: " + item.reflectionTexture.Size.ToString() );
//remove reflection texture from material
if( material != null )
material.RemoveReflectionMapFromMaterial();
item.reflectionViewport.Dispose();
item.reflectionCamera.Dispose();
item.reflectionTexture.Dispose();
reflectionTextureItems.Remove( item );
}
