private void SetupCommandBufferForCamera(Camera camera)
{
#if !UNITY_SERVER
if (camera == null)
{
return;
}
WeatherMakerCameraProperties props = GetCameraProperties(camera);
WeatherMakerCameraType cameraType = WeatherMakerScript.GetCameraType(camera);
Camera baseCamera = WeatherMakerCommandBufferManagerScript.BaseCamera;
UpdateDeferredShadingKeyword(camera);
CalculateMatrixes(camera, baseCamera);
CalculateFrustumCorners(camera);
Shader.SetGlobalMatrixArray(WMS._WeatherMakerInverseView, inverseView);
Shader.SetGlobalMatrixArray(WMS._WeatherMakerInverseProj, inverseProj);
Shader.SetGlobalMatrixArray(WMS._WeatherMakerView, view);
Shader.SetGlobalVectorArray(WMS._WeatherMakerCameraFrustumCorners, cameraFrustumCorners);
Shader.SetGlobalVector(WMS._WeatherMakerCameraOriginOffset, props.OriginOffsetCumulative);
Shader.SetGlobalVector(WMS._WeatherMakerCameraPosComputeShader, camera.transform.position);
if (cameraType == WeatherMakerCameraType.CubeMap)
{
Shader.SetGlobalFloat(WMS._WeatherMakerCameraRenderMode, 2.0f);
}
else if (cameraType == WeatherMakerCameraType.Reflection)
{
Shader.SetGlobalFloat(WMS._WeatherMakerCameraRenderMode, 1.0f);
}
else
{
Shader.SetGlobalFloat(WMS._WeatherMakerCameraRenderMode, 0.0f);
}
#endif
}
/// <summary>
/// Update global shader values for a compute shader
/// </summary>
/// <param name="shader">Compute shader</param>
/// <param name="camera">Camera</param>
public void UpdateShaderPropertiesForCamera(ComputeShader shader, Camera camera)
{
#if !UNITY_SERVER
if (shader == null || camera == null)
{
return;
}
WeatherMakerCameraProperties cameraProps = GetCameraProperties(camera);
shader.SetVector(WMS._WeatherMakerCameraOriginOffset, cameraProps.OriginOffsetCumulative);
shader.SetVector(WMS._WeatherMakerCameraPosComputeShader, camera.transform.position);
#endif
}
private void CheckOriginOffset(Camera camera)
{
if (!Application.isPlaying || camera.cameraType != CameraType.Game ||
WeatherMakerScript.GetCameraType(camera) != WeatherMakerCameraType.Normal || OriginOffsetDistance <= 0.0f || WeatherMakerScript.Instance == null)
{
return;
}
// check for a camera too far away from origin, when this happens adjust the camera close to the origin and
// move the root transform that contains the camera by the same offset
WeatherMakerCameraProperties props = GetCameraProperties(camera);
Vector3 pos = camera.transform.position;
Vector3 originOffset = Vector3.zero;
if (Mathf.Abs(pos.x) > OriginOffsetDistance || Mathf.Abs(pos.y) > OriginOffsetDistance || Mathf.Abs(pos.z) > OriginOffsetDistance)
{
originOffset -= pos;
}
if (originOffset != Vector3.zero)
{
// temporal reprojections don't do well with a large jump in camera position, I think it is something with the change in view or projection
// matrix, more research and debugging is needed, for now we force the next frame to do a full re-render
foreach (WeatherMakerCommandBuffer buf in commandBuffers)
{
if (buf.ReprojectionState != null)
{
buf.ReprojectionState.NeedsFirstFrameHandling = true;
}
}
props.OriginOffsetCumulative += originOffset;
props.OriginOffsetCurrent = originOffset;
OriginOffsetChanged.Invoke(props);
if (OriginOffsetAutoAdjustAll)
{
for (int i = 0; i < UnityEngine.SceneManagement.SceneManager.sceneCount; i++)
{
UnityEngine.SceneManagement.SceneManager.GetSceneAt(i).GetRootGameObjects(rootObjects);
foreach (GameObject obj in rootObjects)
{
Transform t = obj.transform;
if (t.transform != WeatherMakerScript.Instance.transform && t.GetComponentInChildren <Canvas>() == null)
{
t.position += originOffset;
}
}
rootObjects.Clear();
}
}
UnityEngine.Debug.LogFormat("Adjusted origin offset, current: {0}, cumulative: {1}.", props.OriginOffsetCurrent, props.OriginOffsetCumulative);
}
}
/// <summary>
/// Get weather maker camera properties
/// </summary>
/// <param name="camera">Camera</param>
/// <returns>Properties or null if camera is null</returns>
public WeatherMakerCameraProperties GetCameraProperties(Camera camera)
{
if (camera != null)
{
foreach (WeatherMakerCameraProperties props in cameraProps)
{
if (props.Camera == camera)
{
return(props);
}
}
WeatherMakerCameraProperties newProps = new WeatherMakerCameraProperties(camera);
cameraProps.Add(newProps);
return(newProps);
}
return(null);
}
