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using System;
using UnityEngine;
using System.Collections.Generic;
using Object = UnityEngine.Object;
namespace FxProNS
{
[Serializable]
public class MobileDOFHelperParams
{
public Camera EffectCamera;
public Transform Target;
[Range(.01f, 1f)]
public float FocalLengthMultiplier = .33f;
[Range(.5f, 2f)]
public float DOFBlurSize = 1f;
public float NonTargetFocalDist = 1f;
}
public class MobileDOFHelper : Singleton<MobileDOFHelper>, IDisposable
{
private static Material _mat;
public static Material Mat
{
get
{
if (null == _mat)
{
Shader shader = XUtliPoolLib.ShaderManager.singleton.FindShader("MobileDOFPro", "Hidden/MobileDOFPro");
_mat = new Material(shader)
{
hideFlags = HideFlags.HideAndDontSave
};
}
return _mat;
}
}
private MobileDOFHelperParams _p;
public void SetParams(MobileDOFHelperParams p)
{
_p = p;
}
public void Init(bool searchForNonDepthmapAlphaObjects)
{
_p.FocalLengthMultiplier = Mathf.Clamp(_p.FocalLengthMultiplier, .01f, .99f);
if (_p.EffectCamera.depthTextureMode != DepthTextureMode.DepthNormals)
_p.EffectCamera.depthTextureMode = DepthTextureMode.Depth;
Mat.EnableKeyword("USE_CAMERA_DEPTH_TEXTURE");
Mat.DisableKeyword("DONT_USE_CAMERA_DEPTH_TEXTURE");
}
private void CalculateAndUpdateFocalDist()
{
if (null == _p.EffectCamera)
{
Debug.LogError("null == p.camera");
return;
}
float focalDist;
if (null != _p.Target)
{
Vector3 targetPosInViewportSpace = _p.EffectCamera.WorldToViewportPoint(_p.Target.position);
focalDist = targetPosInViewportSpace.z;
// float focalDist = (target.position - transform.position).magnitude / camera.farClipPlane;
}
else
{
focalDist = _p.NonTargetFocalDist;
// Debug.Log("focalDist: " + focalDist);
}
focalDist /= _p.EffectCamera.farClipPlane;
//focalDist *= _p.FocalDistMultiplier ;
Mat.SetFloat("_FocalDist", focalDist);
//Make sure that focalLength < focalDist
Mat.SetFloat("_FocalLength", focalDist * _p.FocalLengthMultiplier);
}
public void RenderMobileDOFBlur(RenderTexture src, RenderTexture dest)
{
//Graphics.Blit( src, dest );
//if (null == cocTexture)
//{
// Debug.LogError("null == cocTexture");
// return;
//}
//Mat.SetTexture("_COCTex", cocTexture);
// //Apply separable DOF
//Mat.SetFloat("", _p.FocalLengthMultiplier);
//Mat.SetFloat("", _p.FocalDistMultiplier);
CalculateAndUpdateFocalDist();
RenderTexture tempRt = RenderTextureManager.Instance.RequestRenderTexture(src.width, src.height, src.depth, src.format);
Mat.SetVector("_SeparableBlurOffsets", new Vector4(_p.DOFBlurSize, 0f, 0f, 0f));
Graphics.Blit(src, tempRt, Mat, 0);
Mat.SetVector("_SeparableBlurOffsets", new Vector4(0f, _p.DOFBlurSize, 0f, 0f));
Graphics.Blit(tempRt, dest, Mat, 0);
RenderTextureManager.Instance.ReleaseRenderTexture(tempRt);
}
public void SetBlurRadius(int radius)
{
Shader.DisableKeyword("BLUR_RADIUS_10");
Shader.DisableKeyword("BLUR_RADIUS_5");
Shader.DisableKeyword("BLUR_RADIUS_3");
Shader.DisableKeyword("BLUR_RADIUS_2");
Shader.DisableKeyword("BLUR_RADIUS_1");
if (radius != 10 && radius != 5 && radius != 3 && radius != 2 && radius != 1) radius = 5;
if (radius < 3) radius = 3;
//Debug.Log( "blur radius: " + radius );
Shader.EnableKeyword("BLUR_RADIUS_" + radius);
}
public void Dispose()
{
if (null != Mat)
Object.DestroyImmediate(Mat);
if (_p != null && _p.EffectCamera != null)
_p.EffectCamera.depthTextureMode = DepthTextureMode.None;
RenderTextureManager.Instance.Dispose();
}
}
}
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