private void OnBeginCameraRenderingSRP(ScriptableRenderContext context, Camera cam)
{
ValidateMaterial();
SubmitRenderList(cam);
if (Profile == null)
{
return;
}
if (cam.cameraType != CameraType.Game && cam.cameraType != CameraType.SceneView)
{
return;
}
if (cam.name.EndsWith("Preview Camera"))
{
return;
}
if (ReflCameras.ContainsValue(cam))
{
//cam is a reflection camera
return;
}
else
{
if (Profile.EnableReflection)
{
RenderReflectionTextureSRP(context, cam);
}
if (Profile.EnableRefraction)
{
//RenderRefractionTextureSRP(context, cam);
}
}
}
private RenderTexture GetReflectionRt(Camera cam)
{
if (!ReflRenderTextures.ContainsKey(cam))
{
ReflRenderTextures.Add(cam, null);
}
int resolution = 128;
if (Profile != null)
{
resolution = Profile.ReflectionTextureResolution;
}
RenderTexture rt = ReflRenderTextures[cam];
if (rt == null)
{
rt = new RenderTexture(resolution, resolution, 16, RenderTextureFormat.ARGB32);
}
if (rt.width != resolution || rt.height != resolution)
{
Camera reflCam;
if (ReflCameras.TryGetValue(cam, out reflCam))
{
reflCam.targetTexture = null;
}
rt.Release();
PUtilities.DestroyObject(rt);
rt = new RenderTexture(resolution, resolution, 16, RenderTextureFormat.ARGB32);
}
rt.name = string.Format("~ReflectionRt_{0}_{1}", cam.name, resolution);
ReflRenderTextures[cam] = rt;
if (cam.stereoEnabled)
{
rt.Release();
}
return(rt);
}
private void OnWillRenderObject()
{
if (PCommon.CurrentRenderPipeline == PRenderPipelineType.Universal)
{
return;
}
if (Profile == null)
{
return;
}
Camera currentCam = Camera.current;
if (currentCam == null)
{
return;
}
if (currentCam.cameraType != CameraType.Game && currentCam.cameraType != CameraType.SceneView)
{
return;
}
if (currentCam.name.EndsWith("Preview Camera"))
{
return;
}
if (ReflCameras.ContainsValue(currentCam))
{
return;
}
if (Profile.EnableReflection)
{
RenderReflectionTexture(currentCam);
}
}
private void RenderReflectionTexture(Camera cam)
{
if (MeshType == PWaterMeshType.Spline)
{
return;
}
bool isBackface = cam.transform.position.y < transform.position.y;
if (isBackface)
{
return;
}
if (cam.stereoEnabled)
{
return;
}
//prepare reflection camera
if (!ReflCameras.ContainsKey(cam))
{
ReflCameras.Add(cam, null);
}
if (ReflCameras[cam] == null)
{
GameObject g = new GameObject();
g.name = "~ReflectionCamera_" + cam.name;
g.hideFlags = HideFlags.HideAndDontSave;
Camera rCam = g.AddComponent <Camera>();
rCam.enabled = false;
g.AddComponent <Skybox>();
g.AddComponent <FlareLayer>();
PUtilities.ResetTransform(g.transform, transform);
ReflCameras[cam] = rCam;
}
//define reflection plane by position & normal in world space
Vector3 planePos = transform.position;
Vector3 planeNormal = Vector3.up;
//disable pixel light if needed
int oldPixelLightCount = QualitySettings.pixelLightCount;
if (!Profile.EnableReflectionPixelLight)
{
QualitySettings.pixelLightCount = 0;
}
//set up camera and render
Camera reflectionCamera = ReflCameras[cam];
reflectionCamera.enabled = false;
reflectionCamera.targetTexture = GetReflectionRt(cam);
MatchCameraSettings(cam, reflectionCamera);
// Reflect camera around reflection plane
float d = -Vector3.Dot(planeNormal, planePos) - Profile.ReflectionClipPlaneOffset;
Vector4 reflectionPlane = new Vector4(planeNormal.x, planeNormal.y, planeNormal.z, d);
Matrix4x4 reflection = CalculateReflectionMatrix(reflectionPlane);
Vector3 oldpos = cam.transform.position;
Vector3 newpos = reflection.MultiplyPoint(oldpos);
reflectionCamera.worldToCameraMatrix = cam.worldToCameraMatrix * reflection;
// Setup oblique projection matrix so that near plane is our reflection
// plane. This way we clip everything below/above it for free.
bool isBackFace = cam.transform.position.y < transform.position.y;
Vector4 clipPlane = CameraSpacePlane(reflectionCamera, planePos, planeNormal, Profile.ReflectionClipPlaneOffset, isBackFace ? -1.0f : 1.0f);
reflectionCamera.projectionMatrix = cam.CalculateObliqueMatrix(clipPlane);
// Set custom culling matrix from the current camera
reflectionCamera.cullingMatrix = cam.projectionMatrix * cam.worldToCameraMatrix;
reflectionCamera.cullingMask = ~(1 << 4) & Profile.ReflectionLayers.value; // never render water layer
//reflectionCamera.targetTexture = m_ReflectionTexture;
bool oldCulling = GL.invertCulling;
GL.invertCulling = !oldCulling;
reflectionCamera.transform.position = newpos;
Vector3 euler = cam.transform.eulerAngles;
reflectionCamera.transform.eulerAngles = new Vector3(-euler.x, euler.y, euler.z);
reflectionCamera.Render();
reflectionCamera.transform.position = oldpos;
GL.invertCulling = oldCulling;
//restore pixel light
if (!Profile.EnableReflectionPixelLight)
{
QualitySettings.pixelLightCount = oldPixelLightCount;
}
}
private void RenderReflectionTextureSRP(ScriptableRenderContext context, Camera cam)
{
if (MeshType == PWaterMeshType.Spline)
{
return;
}
bool isBackface = cam.transform.position.y < transform.position.y;
if (isBackface)
{
return;
}
if (cam.stereoEnabled)
{
return;
}
//prepare reflection camera
if (!ReflCameras.ContainsKey(cam))
{
ReflCameras.Add(cam, null);
}
if (ReflCameras[cam] == null)
{
GameObject g = new GameObject();
g.name = "~ReflectionCamera_" + cam.name;
//g.hideFlags = HideFlags.HideAndDontSave;
Camera rCam = g.AddComponent <Camera>();
rCam.enabled = false;
g.AddComponent <Skybox>();
g.AddComponent <FlareLayer>();
////TODO: Remove on release
//if (cam.cameraType == CameraType.Game)
//{
// PCameraFrustumVisualizer vis = g.AddComponent<PCameraFrustumVisualizer>(); ;
// vis.drawGizmos = true;
// vis.leftEye = true;
// vis.rightEye = true;
// vis.monoEye = true;
// vis.alpha = 0.2f;
// vis.cam = rCam;
//}
PUtilities.ResetTransform(g.transform, transform);
ReflCameras[cam] = rCam;
}
//define reflection plane by position & normal in world space
Vector3 planePos = transform.position;
Vector3 planeNormal = transform.up;
int lastPixelLightCount = QualitySettings.pixelLightCount;
if (!Profile.EnableReflectionPixelLight)
{
QualitySettings.pixelLightCount = 0;
}
bool lastInvertCulling = GL.invertCulling;
GL.invertCulling = !lastInvertCulling;
//set up camera and render
Camera reflectionCamera = ReflCameras[cam];
reflectionCamera.enabled = false;
reflectionCamera.targetTexture = GetReflectionRt(cam);
MatchCameraSettings(cam, reflectionCamera);
// Reflect camera around reflection plane
float d = -Vector3.Dot(planeNormal, planePos) - Profile.ReflectionClipPlaneOffset;
Vector4 reflectionPlane = new Vector4(planeNormal.x, planeNormal.y, planeNormal.z, d);
Matrix4x4 reflection = CalculateReflectionMatrix(reflectionPlane, Camera.MonoOrStereoscopicEye.Mono);
Vector3 oldpos = cam.transform.position;
Vector3 newpos = reflection.MultiplyPoint(oldpos);
reflectionCamera.worldToCameraMatrix = cam.worldToCameraMatrix * reflection;
// Setup oblique projection matrix so that near plane is our reflection
// plane. This way we clip everything below/above it for free.
bool isBackFace = cam.transform.position.y < transform.position.y;
Vector4 clipPlane = CameraSpacePlane(reflectionCamera, planePos, planeNormal, Profile.ReflectionClipPlaneOffset, isBackFace && ShouldRenderBackface ? -1.0f : 1.0f);
Matrix4x4 obliqueMatrix = cam.CalculateObliqueMatrix(clipPlane);
reflectionCamera.projectionMatrix = obliqueMatrix;
// Set custom culling matrix from the current camera
reflectionCamera.cullingMatrix = cam.projectionMatrix * cam.worldToCameraMatrix;
reflectionCamera.cullingMask = ~(1 << 4) & Profile.ReflectionLayers.value; // never render water layer
reflectionCamera.transform.position = newpos;
Vector3 euler = cam.transform.eulerAngles;
reflectionCamera.transform.eulerAngles = new Vector3(-euler.x, euler.y, euler.z);
UniversalRenderPipeline.RenderSingleCamera(context, reflectionCamera);
QualitySettings.pixelLightCount = lastPixelLightCount;
GL.invertCulling = lastInvertCulling;
}
