Add shaders

Sources/Shaders/Mountains.shader

@@ -0,0 +1,82 @@
+Shader "Sun_Temple/Mountains" {
+    Properties {
+
+        _TerrainNormal ("Terrain Normal map (overall)", 2D) = "bump" {}
+
+        _MainTex ("Layer_A Albedo (RGB)", 2D) = "white" {}       
+        _BumpMap ("LAYER_A Normal", 2D) = "bump" {}
+        _baseTiling("LAYER_A Tiling", float ) = 1
+
+
+        _layer1Tex ("LAYER_B Albedo (RGB) Smoothness (A)", 2D) = "white" {}       
+        _layer1Norm("LAYER_B Normal", 2D) = "bump" {}
+        _layer1Tiling("LAYER_B Tiling", float) = 1
+
+        _BlendMask("BLEND_Mask", 2D) = "white" {}
+    }
+
+    CGINCLUDE
+        #define _GLOSSYENV 1
+        #define UNITY_SETUP_BRDF_INPUT MetallicSetup
+    ENDCG
+    
+    SubShader {
+        Tags { "RenderType"="Opaque" "Queue" = "Geometry" }
+        LOD 500
+ 
+        CGPROGRAM
+        #include "UnityPBSLighting.cginc"
+        #pragma surface surf Standard fullforwardshadows noforwardadd nolightmap
+        #pragma target 3.0
+       
+
+        sampler2D _MainTex, _BumpMap, _layer1Tex, _layer1Norm, _BlendMask, _TerrainNormal;
+        half _BlendMaskInvert, _layer1Tiling, _baseTiling;
+
+
+
+        struct Input {
+            half2 uv_MainTex; 
+            half2 uv_BumpMap;         
+        };
+
+
+        void surf (Input IN, inout SurfaceOutputStandard o) {       
+            
+            // Base layer textures
+            half3 layerA_albedo = tex2D (_MainTex, IN.uv_MainTex * _baseTiling );
+            half3 layerA_normal = UnpackNormal(tex2D (_BumpMap, IN.uv_BumpMap * _baseTiling)); 
+
+
+
+            half3 terrainNormal = UnpackNormal(tex2D (_TerrainNormal, IN.uv_BumpMap));           
+ 
+
+            // Layer1 Textures
+            half3 layerB_albedo = tex2D (_layer1Tex, IN.uv_MainTex * _layer1Tiling);
+            half3 layerB_normal = UnpackNormal(tex2D(_layer1Norm, IN.uv_MainTex * _layer1Tiling));
+            
+            
+
+            // Blend Mask
+            half blendMask = tex2D(_BlendMask, IN.uv_MainTex).r;      
+
+
+            // Blended textures
+            half3 blendedAlbedo = lerp(layerB_albedo, layerA_albedo, blendMask);     
+            half3 blendedNormal = lerp(layerB_normal, layerA_normal, blendMask);
+            half3 finalNormal = terrainNormal + half3(blendedNormal.r, blendedNormal.g, 0);
+       
+
+
+
+            o.Albedo = blendedAlbedo; 
+            o.Normal = finalNormal.rgb;    
+            o.Metallic = 0;
+            o.Smoothness = 0;       
+
+        }
+        ENDCG
+    } 
+    FallBack "Bumped Specular"
+}