✨ Add water shader by Atlas and, flip some faces and experiment with animations

Assets/Bakery/ftUnlitTerrain.shader

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+Shader "Hidden/ftUnlitTerrain"
+{
+    Properties
+    {
+        _MainTex ("Albedo", 2D) = "white" { }
+        _TerrainHolesTexture("Holes Map (RGB)", 2D) = "white" {}
+    }
+	SubShader
+	{
+        Pass
+        {
+            Name "META"
+            Tags {"LightMode"="Meta"}
+            Cull Off
+            CGPROGRAM
+
+            #include"UnityStandardMeta.cginc"
+
+            float4 frag_meta2 (v2f_meta i): SV_Target
+            {
+                UnityMetaInput o;
+                UNITY_INITIALIZE_OUTPUT(UnityMetaInput, o);
+                o.Albedo = tex2D(_MainTex, i.uv);
+                return UnityMetaFragment(o);
+            }
+
+            #pragma vertex vert_meta
+            #pragma fragment frag_meta2
+            ENDCG
+        }
+
+        Tags {"Queue" = "Overlay+1" "RenderType"="TransparentCutout"}
+        ZTest Always
+		Pass
+		{
+			CGPROGRAM
+			#pragma vertex vs
+			#pragma fragment ps
+			#include "UnityCG.cginc"
+
+            #pragma multi_compile __ _ALPHATEST_ON
+
+            sampler2D _MainTex;
+
+#ifdef _ALPHATEST_ON
+            sampler2D _TerrainHolesTexture;
+
+            void ClipHoles(float2 uv)
+            {
+                float hole = tex2D(_TerrainHolesTexture, uv).r;
+                clip(hole == 0.0f ? -1 : 1);
+            }
+#endif
+
+			struct pi
+			{
+				float4 Position : SV_POSITION;
+				float2 TexCoords : TEXCOORD0;
+			};
+
+			void vs(in appdata_full IN, out pi OUT)
+			{
+                OUT.Position = UnityObjectToClipPos(IN.vertex);
+				OUT.TexCoords = IN.texcoord.xy;
+			}
+
+			float4 ps( in pi IN ) : COLOR
+			{
+#ifdef _ALPHATEST_ON
+                ClipHoles(IN.TexCoords);
+#endif
+				float4 tex = tex2D(_MainTex, IN.TexCoords);
+                tex.a = 1;
+                return tex;
+			}
+			ENDCG
+		}
+	}
+    Dependency "BaseMapShader"    = "Hidden/ftUnlitTerrain"
+    Dependency "BaseMapGenShader" = "Hidden/TerrainEngine/Splatmap/Diffuse-BaseGen"
+}