新增unity的牛逼shader和熊猫超级shader

Unity C++脚本/NBShader/NB_FX/XuanXuanRenderUtility/Runtime/ShaderFlagsBase.cs

@@ -0,0 +1,89 @@
+using System;
+using UnityEngine;
+
+namespace NBShader
+{
+    public abstract class ShaderFlagsBase
+    {
+
+        private Material _material;
+
+        public Material material
+        {
+            get { return _material; }
+        }
+
+        protected ShaderFlagsBase(Material material)
+        {
+            _material = material;
+        }
+
+        public void SetMaterial(Material material)
+        {
+            _material = material;
+        }
+
+        public Material GetMaterial()
+        {
+            return _material;
+        }
+
+        public abstract int GetShaderFlagsId(int index = 0);
+        protected abstract string GetShaderFlagsName(int index = 0);
+
+        private void SetIntValue(Material material, int flagBits, int index = 0)
+        {
+#if UNITY_EDITOR
+            material.SetInteger(GetShaderFlagsId(index), flagBits);
+#else
+        material.SetInteger(GetShaderFlagsId(index), flagBits);
+#endif
+        }
+
+        public void SetFlagBits(int flagBits, MaterialPropertyBlock propertyBlock = null, int index = 0)
+        {
+            if (propertyBlock is null)
+            {
+                if (_material is null) return;
+                int flags = _material.GetInteger(GetShaderFlagsId(index));
+                SetIntValue(_material, flags | flagBits, index);
+            }
+            else
+            {
+                int flags = propertyBlock.GetInt(GetShaderFlagsId(index));
+                propertyBlock.SetInt(GetShaderFlagsId(index), flags | flagBits);
+            }
+        }
+
+        public void ClearFlagBits(int flagBits, MaterialPropertyBlock propertyBlock = null, int index = 0)
+        {
+            if (propertyBlock is null)
+            {
+                if (_material is null) return;
+                int flags = _material.GetInteger(GetShaderFlagsId(index));
+                SetIntValue(_material, flags & ~flagBits, index);
+            }
+            else
+            {
+                int flags = propertyBlock.GetInteger(GetShaderFlagsId(index));
+                propertyBlock.SetInteger(GetShaderFlagsId(index), flags & ~flagBits);
+            }
+        }
+
+        public bool CheckFlagBits(int flagBits, MaterialPropertyBlock propertyBlock = null, int index = 0)
+        {
+            int flags = 0;
+            if (propertyBlock is null)
+            {
+                if (_material is null) throw new NullReferenceException("material");
+                flags = _material.GetInteger(GetShaderFlagsId(index));
+            }
+            else
+            {
+                flags = propertyBlock.GetInteger(GetShaderFlagsId(index));
+            }
+
+            return (flags & flagBits) != 0;
+        }
+    }
+}