init
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Gerard Gascón
commit
f5c1616018
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474
Assets/Pixel3D/Scripts/PostProcesser.cs
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474
Assets/Pixel3D/Scripts/PostProcesser.cs
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using UnityEngine;
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using UnityEngine.Rendering;
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[RequireComponent(typeof(Camera)),
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// RequireComponent(typeof(SceneColorSetup))
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]
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public class PostProcesser : MonoBehaviour
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{
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[Header("Grass Overlaying Shaders")]
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public LayerMask grassLayer;
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public ShaderState grassState = ShaderState.On;
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public Shader grassReplacementShader;
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public float alphaThreshold = 0.5f;
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private GameObject _grassCameraObject;
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[Header("Pixel Shader")]
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public ShaderState pixelState = ShaderState.On;
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public bool dynamicPixelSize = false;
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public int screenHeight = 192;
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public float pixelsPerUnit = 24f;
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[Range(1f / 32f, 1)] public float zoom = 0.125f;
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[Header("Outline Shader")]
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public ShaderState outlineState = ShaderState.On;
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public Color outlineColor = Color.black;
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public Color edgeColor = Color.white;
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public float depthThreshold = 0.02f;
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public float normalThreshold = 0.05f;
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public Vector3 normalEdgeBias = Vector3.one;
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public float angleThreshold = 0.5f;
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public int angleFactorScale = 7;
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[Header("Cloud Shader")]
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public ShaderState cloudState = ShaderState.On;
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public Texture2D cloudsFineDetail;
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public Texture2D cloudsMediumDetail;
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public Texture2D cloudsLargeDetail;
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public Light lightSource;
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public float cloudSpeed = 0.1f;
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[Range(0, 1)] public float cloudThickness = 0.5f;
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[Range(0, 1)] public float cloudCoverage = 0.5f;
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[Range(0, 360)] public float cloudDirection = 30f;
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public float cloudZoom = 10f;
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public enum ShaderState
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{
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On,
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Off,
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Debug,
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}
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void OnEnable()
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{
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// Camera.main.depthTextureMode = DepthTextureMode.MotionVectors | DepthTextureMode.DepthNormals | DepthTextureMode.Depth;
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Camera.main.depthTextureMode = DepthTextureMode.DepthNormals | DepthTextureMode.Depth;
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if (grassState != ShaderState.Debug)
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Camera.main.cullingMask = ~(1 << (int)Mathf.Log(grassLayer.value, 2));
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if (grassState == ShaderState.On && _grassCameraObject == null)
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{
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_grassCameraObject = new GameObject("GrassCamera");
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_grassCameraObject.transform.SetParent(Camera.main.transform);
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_grassCameraObject.AddComponent<Camera>();
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}
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}
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void OnDisable()
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{
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if (_grassCameraObject != null)
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{
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Destroy(_grassCameraObject);
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_grassCameraObject = null;
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}
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}
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void UpdateZoom()
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{
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if (Camera.main == null)
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return;
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Camera.main.orthographicSize = 1 / zoom;
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var farPlane = 20 / zoom;
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var pos = Camera.main.transform.localPosition;
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pos.z = -farPlane / 2;
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Camera.main.transform.SetLocalPositionAndRotation(pos, Quaternion.identity);
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Camera.main.farClipPlane = farPlane;
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}
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void OnValidate()
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{
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UpdateZoom();
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}
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void OnRenderImage(RenderTexture src, RenderTexture dest)
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{
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var outlineMaterial = CoreUtils.CreateEngineMaterial("Custom/PixelPerfectOutline");
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outlineMaterial.SetFloat("_DepthThreshold", depthThreshold);
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outlineMaterial.SetFloat("_AngleThreshold", angleThreshold);
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outlineMaterial.SetFloat("_AngleFactorScale", angleFactorScale);
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outlineMaterial.SetFloat("_NormalThreshold", normalThreshold);
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outlineMaterial.SetVector("_NormalEdgeBias", normalEdgeBias);
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outlineMaterial.SetInteger("_DebugOutline", outlineState == ShaderState.Debug ? 1 : 0);
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outlineMaterial.SetColor("_OutlineColor", outlineColor);
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outlineMaterial.SetColor("_EdgeColor", edgeColor);
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var grassBlendingMaterial = CoreUtils.CreateEngineMaterial("Custom/GrassBlending");
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grassBlendingMaterial.SetFloat("_AlphaThreshold", alphaThreshold);
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UpdateZoom();
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var pixelScreenHeight = screenHeight;
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if (dynamicPixelSize)
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{
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pixelScreenHeight = (int)(1 / zoom * pixelsPerUnit);
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}
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var pixelScreenWidth = (int)(pixelScreenHeight * Camera.main.aspect + 0.5f);
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var tempTex = RenderTexture.GetTemporary(src.descriptor);
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var grassTex = RenderTexture.GetTemporary(src.descriptor);
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var cloudTex = RenderTexture.GetTemporary(2048, 2048);
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var screenSize = new Vector2(Screen.width, Screen.height);
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if (pixelState == ShaderState.On)
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{
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src.filterMode = FilterMode.Point;
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tempTex.Release();
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tempTex.height = pixelScreenHeight;
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tempTex.width = pixelScreenWidth;
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tempTex.filterMode = FilterMode.Point;
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tempTex.Create();
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grassTex.Release();
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grassTex.height = pixelScreenHeight;
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grassTex.width = pixelScreenWidth;
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grassTex.filterMode = FilterMode.Point;
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grassTex.Create();
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screenSize = new Vector2(pixelScreenWidth, pixelScreenHeight);
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}
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else
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{
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src.filterMode = FilterMode.Bilinear;
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tempTex.filterMode = FilterMode.Bilinear;
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tempTex.Release();
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tempTex.Create();
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grassTex.filterMode = FilterMode.Bilinear;
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grassTex.Release();
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grassTex.Create();
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}
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if (cloudState == ShaderState.On)
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{
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var cloudMaterial = CoreUtils.CreateEngineMaterial("Custom/Clouds");
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cloudMaterial.SetFloat("_Speed", cloudSpeed);
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cloudMaterial.SetFloat("_Coverage", cloudCoverage);
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cloudMaterial.SetFloat("_Thickness", cloudThickness);
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cloudMaterial.SetFloat("_Direction", cloudDirection);
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cloudMaterial.SetTexture("_FineDetail", cloudsFineDetail);
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cloudMaterial.SetTexture("_MediumDetail", cloudsMediumDetail);
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cloudMaterial.SetTexture("_LargeDetail", cloudsLargeDetail);
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var cloudTexTemp = RenderTexture.GetTemporary(2048, 2048);
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cloudTexTemp.filterMode = FilterMode.Bilinear;
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cloudTexTemp.wrapMode = TextureWrapMode.Repeat;
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cloudTex.filterMode = FilterMode.Bilinear;
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cloudTex.wrapMode = TextureWrapMode.Repeat;
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Graphics.Blit(cloudTexTemp, cloudTex, cloudMaterial);
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RenderTexture.ReleaseTemporary(cloudTexTemp);
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lightSource.cookie = cloudTex;
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lightSource.cookieSize = cloudZoom;
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}
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else
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{
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lightSource.cookie = null;
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}
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outlineMaterial.SetVector("_ScreenSize", screenSize);
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Camera grassCamera = null;
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if (grassState == ShaderState.On)
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{
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grassCamera = _grassCameraObject.GetComponent<Camera>();
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grassCamera.enabled = false;
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}
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if (grassState == ShaderState.On && outlineState != ShaderState.Debug && grassCamera != null)
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{
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// var grassCameraObject = new GameObject("GrassCamera");
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// grassCameraObject.transform.SetParent(Camera.main.transform);
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// var grassCamera = _grassCameraObject.GetComponent<Camera>();
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grassCamera.CopyFrom(Camera.main);
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grassCamera.targetTexture = grassTex;
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grassCamera.cullingMask = -1;
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grassCamera.clearFlags = CameraClearFlags.Nothing;
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grassCamera.enabled = true;
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grassCamera.RenderWithShader(grassReplacementShader, "RenderType");
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grassCamera.enabled = false;
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// Destroy(grassCameraObject);
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grassBlendingMaterial.SetTexture("_GrassTex", grassTex);
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}
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if (outlineState != ShaderState.Off)
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{
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Graphics.Blit(src, tempTex, outlineMaterial);
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if (grassState == ShaderState.On && outlineState != ShaderState.Debug)
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Graphics.Blit(tempTex, dest, grassBlendingMaterial);
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else
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Graphics.Blit(tempTex, dest);
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}
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else if (grassState == ShaderState.On)
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{
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Graphics.Blit(src, tempTex, grassBlendingMaterial);
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Graphics.Blit(tempTex, dest);
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}
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else
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{
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Graphics.Blit(src, tempTex);
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Graphics.Blit(tempTex, dest);
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}
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if (grassCamera != null)
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grassCamera.targetTexture = null;
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RenderTexture.ReleaseTemporary(tempTex);
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RenderTexture.ReleaseTemporary(grassTex);
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RenderTexture.ReleaseTemporary(cloudTex);
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Graphics.SetRenderTarget(dest);
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}
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}
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// using UnityEngine;
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// using UnityEngine.Rendering;
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// [RequireComponent(typeof(Camera)),
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// RequireComponent(typeof(SceneColorSetup))]
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// public class PostProcesser : MonoBehaviour
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// {
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// [Header("Grass Overlaying Shaders")]
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// public LayerMask grassLayer;
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// public ShaderState grassState = ShaderState.On;
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// public Shader grassReplacementShader;
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// public float alphaThreshold = 0.5f;
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// private GameObject _grassCameraObject;
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// [Header("Pixel Shader")]
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// public ShaderState pixelState = ShaderState.On;
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// public bool dynamicPixelSize = false;
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// public int screenHeight = 192;
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// public float pixelsPerUnit = 24f;
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// [Range(1f / 32f, 1)] public float zoom = 0.125f;
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// [Header("Outline Shader")]
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// public ShaderState outlineState = ShaderState.On;
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// public Color outlineColor = Color.black;
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// public Color edgeColor = Color.white;
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// public float depthThreshold = 0.02f;
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// public float normalThreshold = 0.05f;
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// public Vector3 normalEdgeBias = Vector3.one;
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// public float angleThreshold = 0.5f;
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// public int angleFactorScale = 7;
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// [Header("Cloud Shader")]
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// public ShaderState cloudState = ShaderState.On;
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// public Texture2D cloudsFineDetail;
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// public Texture2D cloudsMediumDetail;
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// public Texture2D cloudsLargeDetail;
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// public Light lightSource;
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// public float cloudSpeed = 0.1f;
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// [Range(0, 1)] public float cloudThickness = 0.5f;
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// [Range(0, 1)] public float cloudCoverage = 0.5f;
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// [Range(0, 360)] public float cloudDirection = 30f;
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// public float cloudZoom = 10f;
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// public enum ShaderState
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// {
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// On,
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// Off,
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// Debug,
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// }
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// void OnEnable()
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// {
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// Camera.main.depthTextureMode = DepthTextureMode.DepthNormals;
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// if (grassState != ShaderState.Debug)
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// Camera.main.cullingMask = ~(1 << (int)Mathf.Log(grassLayer.value, 2));
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// if (grassState == ShaderState.On && _grassCameraObject == null)
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// {
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// _grassCameraObject = new GameObject("GrassCamera");
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// _grassCameraObject.transform.SetParent(Camera.main.transform);
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// _grassCameraObject.AddComponent<Camera>();
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// }
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// }
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// void OnDisable()
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// {
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// if (_grassCameraObject != null)
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// {
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// Destroy(_grassCameraObject);
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// _grassCameraObject = null;
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// }
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// }
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// void UpdateZoom()
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// {
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// if (Camera.main == null)
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// return;
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// Camera.main.orthographicSize = 1 / zoom;
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// var farPlane = 20 / zoom;
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// var pos = Camera.main.transform.localPosition;
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// pos.z = -farPlane / 2;
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// Camera.main.transform.SetLocalPositionAndRotation(pos, Quaternion.identity);
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// Camera.main.farClipPlane = farPlane;
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// }
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// void OnValidate()
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// {
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// UpdateZoom();
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// }
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// void OnRenderImage(RenderTexture src, RenderTexture dest)
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// {
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// var outlineMaterial = CoreUtils.CreateEngineMaterial("Custom/PixelPerfectOutline");
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// outlineMaterial.SetFloat("_DepthThreshold", depthThreshold);
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// outlineMaterial.SetFloat("_AngleThreshold", angleThreshold);
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// outlineMaterial.SetFloat("_AngleFactorScale", angleFactorScale);
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// outlineMaterial.SetFloat("_NormalThreshold", normalThreshold);
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// outlineMaterial.SetVector("_NormalEdgeBias", normalEdgeBias);
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// outlineMaterial.SetInteger("_DebugOutline", outlineState == ShaderState.Debug ? 1 : 0);
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// outlineMaterial.SetColor("_OutlineColor", outlineColor);
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// outlineMaterial.SetColor("_EdgeColor", edgeColor);
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// var grassBlendingMaterial = CoreUtils.CreateEngineMaterial("Custom/GrassBlending");
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// grassBlendingMaterial.SetFloat("_AlphaThreshold", alphaThreshold);
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// UpdateZoom();
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// var pixelScreenHeight = screenHeight;
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// if (dynamicPixelSize)
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// {
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// pixelScreenHeight = (int)(1 / zoom * pixelsPerUnit);
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// }
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// var pixelScreenWidth = (int)(pixelScreenHeight * Camera.main.aspect + 0.5f);
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// var tempTex = RenderTexture.GetTemporary(src.descriptor);
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// var grassTex = RenderTexture.GetTemporary(src.descriptor);
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// var cloudTex = RenderTexture.GetTemporary(2048, 2048);
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// var screenSize = new Vector2(Screen.width, Screen.height);
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// if (pixelState == ShaderState.On)
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// {
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// src.filterMode = FilterMode.Point;
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// tempTex.Release();
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// tempTex.height = pixelScreenHeight;
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// tempTex.width = pixelScreenWidth;
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// tempTex.filterMode = FilterMode.Point;
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// tempTex.Create();
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// grassTex.Release();
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// grassTex.height = pixelScreenHeight;
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// grassTex.width = pixelScreenWidth;
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// grassTex.filterMode = FilterMode.Point;
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// grassTex.Create();
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// screenSize = new Vector2(pixelScreenWidth, pixelScreenHeight);
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// }
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// else
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// {
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// src.filterMode = FilterMode.Bilinear;
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// tempTex.filterMode = FilterMode.Bilinear;
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// tempTex.Release();
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// tempTex.Create();
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// grassTex.filterMode = FilterMode.Bilinear;
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// grassTex.Release();
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// grassTex.Create();
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// }
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// if (cloudState == ShaderState.On)
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// {
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// var cloudMaterial = CoreUtils.CreateEngineMaterial("Custom/Clouds");
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// cloudMaterial.SetFloat("_Speed", cloudSpeed);
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// cloudMaterial.SetFloat("_Coverage", cloudCoverage);
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// cloudMaterial.SetFloat("_Thickness", cloudThickness);
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// cloudMaterial.SetFloat("_Direction", cloudDirection);
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// cloudMaterial.SetTexture("_FineDetail", cloudsFineDetail);
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// cloudMaterial.SetTexture("_MediumDetail", cloudsMediumDetail);
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// cloudMaterial.SetTexture("_LargeDetail", cloudsLargeDetail);
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// var cloudTexTemp = RenderTexture.GetTemporary(2048, 2048);
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// cloudTexTemp.filterMode = FilterMode.Bilinear;
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// cloudTexTemp.wrapMode = TextureWrapMode.Repeat;
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// cloudTex.filterMode = FilterMode.Bilinear;
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// cloudTex.wrapMode = TextureWrapMode.Repeat;
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// Graphics.Blit(cloudTexTemp, cloudTex, cloudMaterial);
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// RenderTexture.ReleaseTemporary(cloudTexTemp);
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// lightSource.cookie = cloudTex;
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// lightSource.cookieSize = cloudZoom;
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// }
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// else
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// {
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// lightSource.cookie = null;
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// }
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// outlineMaterial.SetVector("_ScreenSize", screenSize);
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// var grassCamera = _grassCameraObject.GetComponent<Camera>();
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// if (grassState == ShaderState.On && outlineState != ShaderState.Debug)
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// {
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// grassCamera.CopyFrom(Camera.main);
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// grassCamera.targetTexture = grassTex;
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// grassCamera.cullingMask = -1;
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// grassCamera.clearFlags = CameraClearFlags.Nothing;
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// grassCamera.RenderWithShader(grassReplacementShader, "RenderType");
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// grassBlendingMaterial.SetTexture("_GrassTex", grassTex);
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// }
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// if (outlineState != ShaderState.Off)
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// {
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// Graphics.Blit(src, tempTex, outlineMaterial);
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// if (grassState == ShaderState.On && outlineState != ShaderState.Debug)
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// Graphics.Blit(tempTex, dest, grassBlendingMaterial);
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// else
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// Graphics.Blit(tempTex, dest);
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// }
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// else if (grassState == ShaderState.On)
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// {
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// Graphics.Blit(src, tempTex, grassBlendingMaterial);
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// Graphics.Blit(tempTex, dest);
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// }
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// else
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// {
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// Graphics.Blit(src, tempTex);
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// Graphics.Blit(tempTex, dest);
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// }
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// if (grassCamera != null)
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// grassCamera.targetTexture = null;
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// RenderTexture.ReleaseTemporary(tempTex);
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// RenderTexture.ReleaseTemporary(grassTex);
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// RenderTexture.ReleaseTemporary(cloudTex);
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// Graphics.SetRenderTarget(dest);
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// }
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// }
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