public override bool ImageEffect_RenderImage(RenderTexture source, RenderTexture destination, RenderBuffer depthBuffer)
{
if (!ImageEffects.ImageEffectManager.AdvanceImangeEffectEnabled)
{
return(false);
}
list.Clear();
foreach (KeyValuePair <Renderer, GlowObject> pair in VolumetricLightObject.list)
{
VolumetricLightObject node = (VolumetricLightObject)pair.Value;
Vector3 prjpos = m_Camera.WorldToViewportPoint(node.transform.position);
if (prjpos.x > -1.1f && prjpos.x < 1.1f && prjpos.y > -1.1f && prjpos.y < 1.1f && prjpos.z > 0.0f)
{
list.Add(node);
}
}
list.Sort((x, y) => - x.CompareTo(y));
deltaTime += (Time.deltaTime - deltaTime) * 0.02f;
float deltaValue = deltaTime * 1000.0f;
int LimitNumber = 10;
if (deltaValue > 60.0f)
{
LimitNumber = 2;
}
else if (deltaValue > 45.0f)
{
LimitNumber = 3;
}
else if (deltaValue > 30.0f)
{
LimitNumber = 4;
}
if (list.Count > LimitNumber)
{
list.RemoveRange(LimitNumber, list.Count - LimitNumber);
}
if (VolumetricLightObject.list.Count <= 0 || !IsOnValidLOD())
{
return(false);
}
mat.SetFloat("_sw", Screen.width);
mat.SetFloat("_sh", Screen.height);
RenderTexture temp1 = RenderTexture.GetTemporary(source.width / div1, source.height / div1, 0);
RenderTexture temp2 = RenderTexture.GetTemporary(source.width / div2, source.height / div2, 0);
RenderTexture lastact = RenderTexture.active;
RenderTexture.active = temp2;
GL.Clear(false, true, Color.black);
RenderTexture.active = lastact;
foreach (VolumetricLightObject n in list)
{
drawmask(source, temp1, temp2, depthBuffer, mat, n);
}
mat.SetPass(2);
mat.SetTexture("_AlphaTex", temp2);
Graphics.Blit(source, destination, mat, 2);
RenderTexture.ReleaseTemporary(temp1);
RenderTexture.ReleaseTemporary(temp2);
return(true);
}
public void drawmask(RenderTexture source, RenderTexture temp1, RenderTexture temp2, RenderBuffer depthBuffer, Material mat, VolumetricLightObject node)
{
Camera cam = m_Camera;
//Transform camtr = cam.transform;
Matrix4x4 viewmatrix = cam.worldToCameraMatrix;
Matrix4x4 prjmatrix = GL.GetGPUProjectionMatrix(cam.projectionMatrix, false);
Matrix4x4 viewprjmatrix = prjmatrix * viewmatrix;
Matrix4x4 invviewprjmatrix = viewprjmatrix.inverse;
mat.SetMatrix("_invviewprjmatrix", invviewprjmatrix);
Vector3 prjpos = viewprjmatrix.MultiplyPoint(node.transform.position);
//var camPos = camtr.position;
//mat.SetVector("_CameraWS", camPos);
mat.SetPass(0);
Vector3 worldpos = node.transform.position + node.offset;
Vector3 screenpt = m_Camera.WorldToScreenPoint(worldpos);
Vector4 pt1 = new Vector4(screenpt.x, screenpt.y, screenpt.z, 1.0f);
mat.SetVector("_lightscreenpt", pt1);
Vector3 prjpt = m_Camera.WorldToViewportPoint(worldpos);
Vector4 pt2 = new Vector4(prjpt.x, prjpt.y, prjpt.z, 1.0f);
mat.SetVector("_lightprjpt", pt2);
float maxsize = Mathf.Max(Screen.width, Screen.height);
mat.SetFloat("_rstart", node.rangestart * maxsize);
mat.SetFloat("_rend", node.rangeend * maxsize);
mat.SetColor("_color", node.color);
mat.SetFloat("_strength", node.strength);
mat.SetFloat("_depth", prjpos.z + node.depthbias);
mat.SetFloat("_Cutoff", node.AlphaCutoff);
Vector3 screenpt2 = m_Camera.WorldToScreenPoint(worldpos + Vector3.Normalize(node.dir) * 10.0f);
Vector3 screendir = Vector3.Normalize(screenpt2 - screenpt);
Vector4 dir = new Vector4(screendir.x, screendir.y, screendir.z, 1.0f);
mat.SetVector("_dir", dir);
if (div1 > 1)
{
Graphics.SetRenderTarget(temp1);
}
else
{
Graphics.SetRenderTarget(temp1.colorBuffer, depthBuffer);
}
GL.Clear(false, true, Color.black);
Graphics.Blit(source, mat, 0);
mat.SetPass(1);
float Weight = 1.0f;
float Exposure = 0.05f;
mat.SetFloat("Exposure", Exposure);
mat.SetFloat("Density", node.Density);
mat.SetFloat("Weight", Weight);
mat.SetFloat("Decay", node.Decay);
mat.SetTexture("_AlphaTex", temp1);
Graphics.Blit(source, temp2, mat, 1);
}