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siege-song/Data/Assets/Enviro - Sky and Weather/Core/Scripts/EnviroReflectionProbe.cs

694 lines
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C#
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using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Rendering;
#if ENVIRO_HDRP
using UnityEngine.Rendering.HighDefinition;
#endif
[AddComponentMenu("Enviro/Reflection Probe")]
[RequireComponent(typeof(ReflectionProbe)), ExecuteInEditMode]
public class EnviroReflectionProbe : MonoBehaviour
{
#region Public Var
#region Standalone Settings
public bool standalone = false;
public bool updateReflectionOnGameTime = true;
public float reflectionsUpdateTreshhold = 0.025f;
public bool useTimeSlicing = true;
#endregion
public Camera renderCam;
public bool useEnviroEffects = true;
[HideInInspector]
public ReflectionProbe myProbe;
public bool customRendering = false;
#if ENVIRO_HD
public EnviroVolumeCloudsQuality customCloudsQuality;
#if !ENVIRO_HDRP
private EnviroSkyRendering eSky;
#endif
public bool useFog = false;
#endif
#endregion
#region Private Var
// Privates
public Camera bakingCam;
private bool currentMode = false;
private int currentRes;
private RenderTexture cubemap;
private RenderTexture finalCubemap;
private RenderTexture mirrorTexture;
private RenderTexture renderTexture;
private GameObject renderCamObj;
private Material mirror = null;
private Material bakeMat = null;
private Material convolutionMat;
private Coroutine refreshing;
private int renderID;
#if ENVIRO_HDRP
public HDProbe hdprobe;
#endif
private static Quaternion[] orientations = new Quaternion[]
{
Quaternion.LookRotation(Vector3.right, Vector3.down),
Quaternion.LookRotation(Vector3.left, Vector3.down),
Quaternion.LookRotation(Vector3.up, Vector3.forward),
Quaternion.LookRotation(Vector3.down, Vector3.back),
Quaternion.LookRotation(Vector3.forward, Vector3.down),
Quaternion.LookRotation(Vector3.back, Vector3.down)
};
private double lastRelfectionUpdate;
#endregion
////////
void OnEnable()
{
myProbe = GetComponent<ReflectionProbe>();
#if ENVIRO_HDRP
if (EnviroSkyMgr.instance != null)
{
hdprobe = GetComponent<HDProbe>();
if(!standalone && myProbe != null)
myProbe.enabled = true;
if (customRendering)
{
if (hdprobe != null)
{
hdprobe.mode = ProbeSettings.Mode.Custom;
CreateCubemap();
CreateTexturesAndMaterial();
CreateRenderCamera();
currentRes = myProbe.resolution;
StartCoroutine(RefreshFirstTime());
}
}
else
{
if (hdprobe != null)
{
hdprobe.mode = ProbeSettings.Mode.Realtime;
hdprobe.realtimeMode = ProbeSettings.RealtimeMode.OnDemand;
hdprobe.RequestRenderNextUpdate();
}
}
}
#else
if (!standalone && myProbe != null)
myProbe.enabled = true;
if (customRendering)
{
myProbe.mode = ReflectionProbeMode.Custom;
myProbe.refreshMode = ReflectionProbeRefreshMode.ViaScripting;
CreateCubemap();
CreateTexturesAndMaterial();
CreateRenderCamera();
currentRes = myProbe.resolution;
StartCoroutine(RefreshFirstTime());
}
else
{
myProbe.mode = ReflectionProbeMode.Realtime;
myProbe.refreshMode = ReflectionProbeRefreshMode.ViaScripting;
myProbe.RenderProbe();
}
#endif
}
void OnDisable()
{
Cleanup();
if (!standalone && myProbe != null)
myProbe.enabled = false;
RenderSettings.defaultReflectionMode = UnityEngine.Rendering.DefaultReflectionMode.Skybox;
}
private void Cleanup()
{
if (refreshing != null)
StopCoroutine(refreshing);
if (cubemap != null)
{
if (renderCam != null)
renderCam.targetTexture = null;
DestroyImmediate(cubemap);
}
if (renderCamObj != null)
DestroyImmediate(renderCamObj);
if (mirrorTexture != null)
DestroyImmediate(mirrorTexture);
if (renderTexture != null)
DestroyImmediate(renderTexture);
}
// Creation
private void CreateRenderCamera()
{
if (renderCamObj == null)
{
renderCamObj = new GameObject();
renderCamObj.name = "Reflection Probe Cam";
renderCamObj.hideFlags = HideFlags.HideAndDontSave;
renderCam = renderCamObj.AddComponent<Camera>();
renderCam.gameObject.SetActive(true);
renderCam.cameraType = CameraType.Reflection;
renderCam.fieldOfView = 90;
renderCam.farClipPlane = myProbe.farClipPlane;
renderCam.nearClipPlane = myProbe.nearClipPlane;
renderCam.clearFlags = (CameraClearFlags)myProbe.clearFlags;
renderCam.backgroundColor = myProbe.backgroundColor;
renderCam.allowHDR = myProbe.hdr;
renderCam.targetTexture = cubemap;
renderCam.enabled = false;
#if VEGETATION_STUDIO_PRO
// VegetationStudioManager.Instance.AddCamera(renderCam);
#endif
#if ENVIRO_HD && !ENVIRO_HDRP
if (EnviroSkyMgr.instance != null && EnviroSkyMgr.instance.currentEnviroSkyVersion == EnviroSkyMgr.EnviroSkyVersion.HD)
{
eSky = renderCamObj.AddComponent<EnviroSkyRendering>();
eSky.isAddionalCamera = true;
eSky.useGlobalRenderingSettings = false;
eSky.customRenderingSettings.useVolumeClouds = EnviroSkyMgr.instance.useVolumeClouds;
eSky.customRenderingSettings.useVolumeLighting = false;
eSky.customRenderingSettings.useDistanceBlur = false;
eSky.customRenderingSettings.useFog = EnviroSkyMgr.instance.ReflectionSettings.globalReflectionUseFog;
if (customCloudsQuality != null)
eSky.customRenderingSettings.customCloudsQuality = customCloudsQuality;
}
#endif
}
}
private void UpdateCameraSettings()
{
if (renderCam != null)
{
renderCam.cullingMask = myProbe.cullingMask;
#if ENVIRO_HD && !ENVIRO_HDRP
if (EnviroSkyMgr.instance != null && EnviroSkyMgr.instance.currentEnviroSkyVersion == EnviroSkyMgr.EnviroSkyVersion.HD)
{
if (eSky != null)
{
if (customCloudsQuality != null)
eSky.customRenderingSettings.customCloudsQuality = customCloudsQuality;
eSky.customRenderingSettings.useVolumeClouds = EnviroSkyMgr.instance.useVolumeClouds;
eSky.customRenderingSettings.useFog = useFog;
}
}
#endif
}
}
private Camera CreateBakingCamera()
{
GameObject tempCam = new GameObject();
tempCam.name = "Reflection Probe Cam";
Camera cam = tempCam.AddComponent<Camera>();
cam.enabled = false;
cam.gameObject.SetActive(true);
cam.cameraType = CameraType.Reflection;
cam.fieldOfView = 90;
cam.farClipPlane = myProbe.farClipPlane;
cam.nearClipPlane = myProbe.nearClipPlane;
cam.cullingMask = myProbe.cullingMask;
cam.clearFlags = (CameraClearFlags)myProbe.clearFlags;
cam.backgroundColor = myProbe.backgroundColor;
cam.allowHDR = myProbe.hdr;
cam.targetTexture = cubemap;
#if ENVIRO_HD && !ENVIRO_HDRP
if (EnviroSkyMgr.instance != null && EnviroSkyMgr.instance.currentEnviroSkyVersion == EnviroSkyMgr.EnviroSkyVersion.HD)
{
EnviroSkyRendering eSky = tempCam.AddComponent<EnviroSkyRendering>();
eSky.isAddionalCamera = true;
eSky.useGlobalRenderingSettings = false;
eSky.customRenderingSettings.useVolumeClouds = true;
eSky.customRenderingSettings.useVolumeLighting = false;
eSky.customRenderingSettings.useDistanceBlur = false;
eSky.customRenderingSettings.useFog = true;
}
#endif
tempCam.hideFlags = HideFlags.HideAndDontSave;
return cam;
}
private void CreateCubemap()
{
if (cubemap != null && myProbe.resolution == currentRes)
return;
if (cubemap != null)
{
cubemap.Release();
DestroyImmediate(cubemap);
}
if (finalCubemap != null)
{
finalCubemap.Release();
DestroyImmediate(finalCubemap);
}
int resolution = myProbe.resolution;
currentRes = resolution;
RenderTextureFormat format = myProbe.hdr ? RenderTextureFormat.DefaultHDR : RenderTextureFormat.Default;
cubemap = new RenderTexture(resolution, resolution, 16, format, RenderTextureReadWrite.Linear);
cubemap.dimension = TextureDimension.Cube;
cubemap.useMipMap = true;
cubemap.autoGenerateMips = false;
cubemap.name = "Enviro Reflection Temp Cubemap";
cubemap.filterMode = FilterMode.Trilinear;
cubemap.Create();
finalCubemap = new RenderTexture(resolution, resolution, 16, format, RenderTextureReadWrite.Linear);
finalCubemap.dimension = TextureDimension.Cube;
finalCubemap.useMipMap = true;
finalCubemap.autoGenerateMips = false;
finalCubemap.name = "Enviro Reflection Final Cubemap";
finalCubemap.filterMode = FilterMode.Trilinear;
finalCubemap.Create();
}
//Create the textures
private void CreateTexturesAndMaterial()
{
if (mirror == null)
mirror = new Material(Shader.Find("Hidden/Enviro/ReflectionProbe"));
if (convolutionMat == null)
convolutionMat = new Material(Shader.Find("Hidden/CubeBlurEnviro"));
int resolution = myProbe.resolution;
RenderTextureFormat format = myProbe.hdr ? RenderTextureFormat.DefaultHDR : RenderTextureFormat.Default;
if (mirrorTexture == null || mirrorTexture.width != resolution || mirrorTexture.height != resolution)
{
if (mirrorTexture != null)
DestroyImmediate(mirrorTexture);
mirrorTexture = new RenderTexture(resolution, resolution, 16, format, RenderTextureReadWrite.Linear);
mirrorTexture.useMipMap = true;
mirrorTexture.autoGenerateMips = false;
mirrorTexture.name = "Enviro Reflection Mirror Texture";
mirrorTexture.Create();
}
if (renderTexture == null || renderTexture.width != resolution || renderTexture.height != resolution)
{
if (renderTexture != null)
DestroyImmediate(renderTexture);
renderTexture = new RenderTexture(resolution, resolution, 16, format, RenderTextureReadWrite.Linear);
renderTexture.useMipMap = true;
renderTexture.autoGenerateMips = false;
renderTexture.name = "Enviro Reflection Target Texture";
renderTexture.Create();
}
}
// Refresh Methods
public void RefreshReflection(bool timeSlice = false)
{
#if ENVIRO_HDRP
if (customRendering)
{
if (refreshing != null)
return;
CreateTexturesAndMaterial();
if (renderCam == null)
CreateRenderCamera();
UpdateCameraSettings();
renderCam.transform.position = transform.position;
renderCam.targetTexture = renderTexture;
if (Application.isPlaying)
{
if (!timeSlice)
refreshing = StartCoroutine(RefreshInstant(renderTexture, mirrorTexture));
else
refreshing = StartCoroutine(RefreshOvertime(renderTexture, mirrorTexture));
}
else
{
refreshing = StartCoroutine(RefreshInstant(renderTexture, mirrorTexture));
}
}
else
{
if(hdprobe != null)
hdprobe.RequestRenderNextUpdate();
}
#else
if (customRendering)
{
if (refreshing != null)
return;
CreateTexturesAndMaterial();
if (renderCam == null)
CreateRenderCamera();
UpdateCameraSettings();
renderCam.transform.position = transform.position;
renderCam.targetTexture = renderTexture;
if (Application.isPlaying)
{
if (!timeSlice)
refreshing = StartCoroutine(RefreshInstant(renderTexture, mirrorTexture));
else
refreshing = StartCoroutine(RefreshOvertime(renderTexture, mirrorTexture));
}
else
{
refreshing = StartCoroutine(RefreshInstant(renderTexture, mirrorTexture));
}
}
else
{
//myProbe.RenderProbe();
StartCoroutine(RefreshUnity());
}
#endif
}
IEnumerator RefreshFirstTime()
{
yield return null;
RefreshReflection(false);
RefreshReflection(false);
}
public IEnumerator RefreshUnity()
{
yield return null;
myProbe.RenderProbe();
}
public IEnumerator RefreshInstant(RenderTexture renderTex, RenderTexture mirrorTex)
{
CreateCubemap();
yield return null;
for (int face = 0; face < 6; face++)
{
renderCam.transform.rotation = orientations[face];
renderCam.Render();
if(mirrorTex != null)
{
Graphics.Blit(renderTex, mirrorTex, mirror);
Graphics.CopyTexture(mirrorTex, 0, 0, cubemap, face, 0);
}
}
ConvolutionCubemap();
#if ENVIRO_HDRP
hdprobe.SetTexture(ProbeSettings.Mode.Custom, finalCubemap);
#else
myProbe.customBakedTexture = finalCubemap;
#endif
refreshing = null;
}
/// <summary>
/// Update Reflections with Time Slicing
/// </summary>
public IEnumerator RefreshOvertime(RenderTexture renderTex, RenderTexture mirrorTex)
{
CreateCubemap();
for (int face = 0; face < 6; face++)
{
yield return null;
//yield return new WaitForSeconds(1f);
// print("Bake Face " + face.ToString());
renderCam.transform.rotation = orientations[face];
renderCam.Render();
if(mirrorTex != null)
{
Graphics.Blit(renderTex, mirrorTex, mirror);
Graphics.CopyTexture(mirrorTex, 0, 0, cubemap, face, 0);
}
//ClearTextures();
}
ConvolutionCubemap();
#if ENVIRO_HDRP
hdprobe.SetTexture(ProbeSettings.Mode.Custom, finalCubemap);
#else
myProbe.customBakedTexture = finalCubemap;
#endif
refreshing = null;
}
#if ENVIRO_HD
/// <summary>
/// Bakes one face per time into a render texture
/// </summary>
/// <param name="face"></param>
/// <param name="res"></param>
/// <returns></returns>
public RenderTexture BakeCubemapFace(int face, int res)
{
if (bakeMat == null)
bakeMat = new Material(Shader.Find("Hidden/Enviro/BakeCubemap"));
if (bakingCam == null)
bakingCam = CreateBakingCamera();
bakingCam.transform.rotation = orientations[face];
RenderTexture temp = RenderTexture.GetTemporary(res, res, 0, RenderTextureFormat.ARGBFloat);
bakingCam.targetTexture = temp;
bakingCam.Render();
RenderTexture tex = new RenderTexture(res, res, 0, RenderTextureFormat.ARGBFloat);
Graphics.Blit(temp, tex, bakeMat);
RenderTexture.ReleaseTemporary(temp);
return tex;
}
#endif
private void ClearTextures()
{
RenderTexture rt = RenderTexture.active;
RenderTexture.active = renderTexture;
GL.Clear(true, true, Color.clear);
RenderTexture.active = mirrorTexture;
GL.Clear(true, true, Color.clear);
RenderTexture.active = rt;
}
//This is not a proper convolution and very hacky to get anywhere near of unity realtime reflection probe mip convolution.
private void ConvolutionCubemap()
{
int mipCount = 7;
GL.PushMatrix();
GL.LoadOrtho();
cubemap.GenerateMips();
float texel = 1f;
switch(finalCubemap.width)
{
case 16:
texel = 1f;
break;
case 32:
texel = 1f;
break;
case 64:
texel = 2f;
break;
case 128:
texel = 4f;
break;
case 256:
texel = 8f;
break;
case 512:
texel = 14f;
break;
case 1024:
texel = 30f;
break;
case 2048:
texel = 60f;
break;
}
float res = finalCubemap.width;
for (int mip = 0; mip < mipCount + 1; mip++)
{
//Copy each face
Graphics.CopyTexture(cubemap, 0, mip, finalCubemap, 0, mip);
Graphics.CopyTexture(cubemap, 1, mip, finalCubemap, 1, mip);
Graphics.CopyTexture(cubemap, 2, mip, finalCubemap, 2, mip);
Graphics.CopyTexture(cubemap, 3, mip, finalCubemap, 3, mip);
Graphics.CopyTexture(cubemap, 4, mip, finalCubemap, 4, mip);
Graphics.CopyTexture(cubemap, 5, mip, finalCubemap, 5, mip);
int dstMip = mip + 1;
if (dstMip == mipCount)
break;
float texelSize = (texel * dstMip) / res;
convolutionMat.SetTexture("_MainTex", finalCubemap);
convolutionMat.SetFloat("_Texel", texelSize);
convolutionMat.SetFloat("_Level", mip);
convolutionMat.SetPass(0);
res *= 0.75f;
// Positive X
Graphics.SetRenderTarget(cubemap, dstMip, CubemapFace.PositiveX);
GL.Begin(GL.QUADS);
GL.TexCoord3(1, 1, 1);
GL.Vertex3(0, 0, 1);
GL.TexCoord3(1, -1, 1);
GL.Vertex3(0, 1, 1);
GL.TexCoord3(1, -1, -1);
GL.Vertex3(1, 1, 1);
GL.TexCoord3(1, 1, -1);
GL.Vertex3(1, 0, 1);
GL.End();
// Negative X
Graphics.SetRenderTarget(cubemap, dstMip, CubemapFace.NegativeX);
GL.Begin(GL.QUADS);
GL.TexCoord3(-1, 1, -1);
GL.Vertex3(0, 0, 1);
GL.TexCoord3(-1, -1, -1);
GL.Vertex3(0, 1, 1);
GL.TexCoord3(-1, -1, 1);
GL.Vertex3(1, 1, 1);
GL.TexCoord3(-1, 1, 1);
GL.Vertex3(1, 0, 1);
GL.End();
// Positive Y
Graphics.SetRenderTarget(cubemap, dstMip, CubemapFace.PositiveY);
GL.Begin(GL.QUADS);
GL.TexCoord3(-1, 1, -1);
GL.Vertex3(0, 0, 1);
GL.TexCoord3(-1, 1, 1);
GL.Vertex3(0, 1, 1);
GL.TexCoord3(1, 1, 1);
GL.Vertex3(1, 1, 1);
GL.TexCoord3(1, 1, -1);
GL.Vertex3(1, 0, 1);
GL.End();
// Negative Y
Graphics.SetRenderTarget(cubemap, dstMip, CubemapFace.NegativeY);
GL.Begin(GL.QUADS);
GL.TexCoord3(-1, -1, 1);
GL.Vertex3(0, 0, 1);
GL.TexCoord3(-1, -1, -1);
GL.Vertex3(0, 1, 1);
GL.TexCoord3(1, -1, -1);
GL.Vertex3(1, 1, 1);
GL.TexCoord3(1, -1, 1);
GL.Vertex3(1, 0, 1);
GL.End();
// Positive Z
Graphics.SetRenderTarget(cubemap, dstMip, CubemapFace.PositiveZ);
GL.Begin(GL.QUADS);
GL.TexCoord3(-1, 1, 1);
GL.Vertex3(0, 0, 1);
GL.TexCoord3(-1, -1, 1);
GL.Vertex3(0, 1, 1);
GL.TexCoord3(1, -1, 1);
GL.Vertex3(1, 1, 1);
GL.TexCoord3(1, 1, 1);
GL.Vertex3(1, 0, 1);
GL.End();
// Negative Z
Graphics.SetRenderTarget(cubemap, dstMip, CubemapFace.NegativeZ);
GL.Begin(GL.QUADS);
GL.TexCoord3(1, 1, -1);
GL.Vertex3(0, 0, 1);
GL.TexCoord3(1, -1, -1);
GL.Vertex3(0, 1, 1);
GL.TexCoord3(-1, -1, -1);
GL.Vertex3(1, 1, 1);
GL.TexCoord3(-1, 1, -1);
GL.Vertex3(1, 0, 1);
GL.End();
}
GL.PopMatrix();
}
private void UpdateStandaloneReflection()
{
if ((EnviroSkyMgr.instance.GetCurrentTimeInHours() > lastRelfectionUpdate + reflectionsUpdateTreshhold || EnviroSkyMgr.instance.GetCurrentTimeInHours() < lastRelfectionUpdate - reflectionsUpdateTreshhold) && updateReflectionOnGameTime)
{
lastRelfectionUpdate = EnviroSkyMgr.instance.GetCurrentTimeInHours();
RefreshReflection(!useTimeSlicing);
//print("Update Probe: " + gameObject.name);
}
}
private void Update()
{
if (currentMode != customRendering)
{
currentMode = customRendering;
if (customRendering)
{
OnEnable();
}
else
{
OnEnable();
Cleanup();
}
}
if (EnviroSkyMgr.instance != null && standalone)
{
UpdateStandaloneReflection();
}
}
}
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