Shader "VG/VertexAnimation" {
    Properties {
        _Color ("Color", Color) = (1,1,0.7,1)
        _Diffuse ("Diffuse", 2D) = "white" {}
        _Normal ("Normal", 2D) = "bump" {}
        _Bright ("Bright", Range(0, 1)) = 1
        _VertexIntensity ("VertexIntensity", Range(0, 1)) = 0.02
        [HideInInspector]_Cutoff ("Alpha cutoff", Range(0,1)) = 0.5
    }
    SubShader {
        Tags {
            "Queue"="AlphaTest"
            "RenderType"="TransparentCutout"
        }
        Pass {
            Name "FORWARD"
            Tags {
                "LightMode"="ForwardBase"
            }
            Cull Off
            
            
            AlphaToMask On
            CGPROGRAM
            #pragma vertex vert
            #pragma fragment frag
            #define UNITY_PASS_FORWARDBASE
            #include "AutoLight.cginc"
            #include "Lighting.cginc"
            #pragma multi_compile_fwdbase_fullshadows
            #pragma multi_compile_fog

            uniform float4 _TimeEditor;
            uniform sampler2D _Diffuse; uniform float4 _Diffuse_ST;
            uniform sampler2D _Normal; uniform float4 _Normal_ST;
            uniform float _Bright;
            uniform float4 _Color;
            uniform float _VertexIntensity;
            struct VertexInput {
                float4 vertex : POSITION;
                float3 normal : NORMAL;
                float4 tangent : TANGENT;
                float2 texcoord0 : TEXCOORD0;
                float2 texcoord1 : TEXCOORD1;
                float2 texcoord2 : TEXCOORD2;
                float4 vertexColor : COLOR;
            };
            struct VertexOutput {
                float4 pos : SV_POSITION;
                float2 uv0 : TEXCOORD0;
                float2 uv1 : TEXCOORD1;
                float2 uv2 : TEXCOORD2;
                float4 posWorld : TEXCOORD3;
                float3 normalDir : TEXCOORD4;
                float3 tangentDir : TEXCOORD5;
                float3 bitangentDir : TEXCOORD6;
                float4 vertexColor : COLOR;
                LIGHTING_COORDS(7,8)
                UNITY_FOG_COORDS(9)
                #if defined(LIGHTMAP_ON) || defined(UNITY_SHOULD_SAMPLE_SH)
                    float4 ambientOrLightmapUV : TEXCOORD10;
                #endif
            };
            VertexOutput vert (VertexInput v) {
                VertexOutput o = (VertexOutput)0;
                o.uv0 = v.texcoord0;
                o.uv1 = v.texcoord1;
                o.uv2 = v.texcoord2;
                o.vertexColor = v.vertexColor;
                #ifdef LIGHTMAP_ON
                    o.ambientOrLightmapUV.xy = v.texcoord1.xy * unity_LightmapST.xy + unity_LightmapST.zw;
                    o.ambientOrLightmapUV.zw = 0;
                #elif UNITY_SHOULD_SAMPLE_SH
                #endif
                #ifdef DYNAMICLIGHTMAP_ON
                    o.ambientOrLightmapUV.zw = v.texcoord2.xy * unity_DynamicLightmapST.xy + unity_DynamicLightmapST.zw;
                #endif
                o.normalDir = UnityObjectToWorldNormal(v.normal);
                o.tangentDir = normalize( mul( unity_ObjectToWorld, float4( v.tangent.xyz, 0.0 ) ).xyz );
                o.bitangentDir = normalize(cross(o.normalDir, o.tangentDir) * v.tangent.w);
                float4 AllTime = _Time + _TimeEditor;
                v.vertex.xyz += (normalize((float3(1,0,0)+v.normal))*o.vertexColor.r*sin(((o.vertexColor.r*3.141592654)+AllTime.g))*_VertexIntensity);
                o.posWorld = mul(unity_ObjectToWorld, v.vertex);
                float3 lightColor = _LightColor0.rgb;
                o.pos = UnityObjectToClipPos( v.vertex );
                UNITY_TRANSFER_FOG(o,o.pos);
                TRANSFER_VERTEX_TO_FRAGMENT(o)
                return o;
            }
            float4 frag(VertexOutput i, float facing : VFACE) : COLOR {
                float isFrontFace = ( facing >= 0 ? 1 : 0 );
                float faceSign = ( facing >= 0 ? 1 : -1 );
                i.normalDir = normalize(i.normalDir);
                i.normalDir *= faceSign;
                float3x3 tangentTransform = float3x3( i.tangentDir, i.bitangentDir, i.normalDir);
                float3 viewDirection = normalize(_WorldSpaceCameraPos.xyz - i.posWorld.xyz);
                float3 _Normal_var = UnpackNormal(tex2D(_Normal,TRANSFORM_TEX(i.uv0, _Normal)));
                float3 normalLocal = _Normal_var.rgb;
                float3 normalDirection = normalize(mul( normalLocal, tangentTransform )); // Perturbed normals
                float3 viewReflectDirection = reflect( -viewDirection, normalDirection );
                float4 _Diffuse_var = tex2D(_Diffuse,TRANSFORM_TEX(i.uv0, _Diffuse));
                clip(_Diffuse_var.a - 0.5);
                float3 lightDirection = normalize(_WorldSpaceLightPos0.xyz);
                float3 lightColor = _LightColor0.rgb;
                float3 halfDirection = normalize(viewDirection+lightDirection);

                float attenuation = LIGHT_ATTENUATION(i);
                float3 attenColor = attenuation * _LightColor0.xyz;
                float gloss = 0.4;
                float specPow = exp2( gloss * 10.0 + 1.0 );
                UnityLight light;
                #ifdef LIGHTMAP_OFF
                    light.color = lightColor;
                    light.dir = lightDirection;
                    light.ndotl = LambertTerm (normalDirection, light.dir);
                #else
                    light.color = half3(0.f, 0.f, 0.f);
                    light.ndotl = 0.0f;
                    light.dir = half3(0.f, 0.f, 0.f);
                #endif
                UnityGIInput d;
                d.light = light;
                d.worldPos = i.posWorld.xyz;
                d.worldViewDir = viewDirection;
                d.atten = attenuation;
                #if defined(LIGHTMAP_ON) || defined(DYNAMICLIGHTMAP_ON)
                    d.ambient = 0;
                    d.lightmapUV = i.ambientOrLightmapUV;
                #else
                    d.ambient = i.ambientOrLightmapUV;
                #endif
                Unity_GlossyEnvironmentData ugls_en_data;
                ugls_en_data.roughness = 1.0 - gloss;
                ugls_en_data.reflUVW = viewReflectDirection;
                UnityGI gi = UnityGlobalIllumination(d, 1, normalDirection, ugls_en_data );
                lightDirection = gi.light.dir;
                lightColor = gi.light.color;
                float NdotL = saturate(dot( normalDirection, lightDirection ));
                float3 specularColor = float3(0.2,0.2,0.2);
                float3 directSpecular = attenColor * pow(max(0,dot(halfDirection,normalDirection)),specPow)*specularColor;
                float3 specular = directSpecular;

                NdotL = max(0.0,dot( normalDirection, lightDirection ));
                float3 directDiffuse = max( 0.0, NdotL) * attenColor;
                float3 indirectDiffuse = float3(0,0,0);
                indirectDiffuse += gi.indirect.diffuse;
                float3 diffuseColor = (_Color.rgb*_Diffuse_var.rgb);
                float3 diffuse = (directDiffuse + indirectDiffuse) * diffuseColor;
                float3 emissive = (_Diffuse_var.rgb*_Bright);

                float3 finalColor = diffuse + specular + emissive;
                fixed4 finalRGBA = fixed4(finalColor,(_Diffuse_var.a) * 2.0 - 1.0);
                UNITY_APPLY_FOG(i.fogCoord, finalRGBA);
                return finalRGBA;
            }
            ENDCG
        }
        Pass {
            Name "FORWARD_DELTA"
            Tags {
                "LightMode"="ForwardAdd"
            }
            Blend One One
            Cull Off
            
            
            CGPROGRAM
            #pragma vertex vert
            #pragma fragment frag
            #define UNITY_PASS_FORWARDADD
            #include "AutoLight.cginc"
            #include "Lighting.cginc"
            #pragma multi_compile_fog

            uniform float4 _TimeEditor;
            uniform sampler2D _Diffuse; uniform float4 _Diffuse_ST;
            uniform sampler2D _Normal; uniform float4 _Normal_ST;
            uniform float _Bright;
            uniform float4 _Color;
            uniform float _VertexIntensity;
            struct VertexInput {
                float4 vertex : POSITION;
                float3 normal : NORMAL;
                float4 tangent : TANGENT;
                float2 texcoord0 : TEXCOORD0;
                float2 texcoord1 : TEXCOORD1;
                float2 texcoord2 : TEXCOORD2;
                float4 vertexColor : COLOR;
            };
            struct VertexOutput {
                float4 pos : SV_POSITION;
                float2 uv0 : TEXCOORD0;
                float2 uv1 : TEXCOORD1;
                float2 uv2 : TEXCOORD2;
                float4 posWorld : TEXCOORD3;
                float3 normalDir : TEXCOORD4;
                float3 tangentDir : TEXCOORD5;
                float3 bitangentDir : TEXCOORD6;
                float4 vertexColor : COLOR;
                LIGHTING_COORDS(7,8)
                UNITY_FOG_COORDS(9)
            };
            VertexOutput vert (VertexInput v) {
                VertexOutput o = (VertexOutput)0;
                o.uv0 = v.texcoord0;
                o.uv1 = v.texcoord1;
                o.uv2 = v.texcoord2;
                o.vertexColor = v.vertexColor;
                o.normalDir = UnityObjectToWorldNormal(v.normal);
                o.tangentDir = normalize( mul( unity_ObjectToWorld, float4( v.tangent.xyz, 0.0 ) ).xyz );
                o.bitangentDir = normalize(cross(o.normalDir, o.tangentDir) * v.tangent.w);
                float4 AllTime = _Time + _TimeEditor;
                v.vertex.xyz += (normalize((float3(1,0,0)+v.normal))*o.vertexColor.r*sin(((o.vertexColor.r*3.141592654)+AllTime.g))*_VertexIntensity);
                o.posWorld = mul(unity_ObjectToWorld, v.vertex);
                float3 lightColor = _LightColor0.rgb;
                o.pos = UnityObjectToClipPos( v.vertex );
                UNITY_TRANSFER_FOG(o,o.pos);
                TRANSFER_VERTEX_TO_FRAGMENT(o)
                return o;
            }
            float4 frag(VertexOutput i, float facing : VFACE) : COLOR {
                float isFrontFace = ( facing >= 0 ? 1 : 0 );
                float faceSign = ( facing >= 0 ? 1 : -1 );
                i.normalDir = normalize(i.normalDir);
                i.normalDir *= faceSign;
                float3x3 tangentTransform = float3x3( i.tangentDir, i.bitangentDir, i.normalDir);
                float3 viewDirection = normalize(_WorldSpaceCameraPos.xyz - i.posWorld.xyz);
                float3 _Normal_var = UnpackNormal(tex2D(_Normal,TRANSFORM_TEX(i.uv0, _Normal)));
                float3 normalLocal = _Normal_var.rgb;
                float3 normalDirection = normalize(mul( normalLocal, tangentTransform )); // Perturbed normals
                float4 _Diffuse_var = tex2D(_Diffuse,TRANSFORM_TEX(i.uv0, _Diffuse));
                clip(_Diffuse_var.a - 0.5);
                float3 lightDirection = normalize(lerp(_WorldSpaceLightPos0.xyz, _WorldSpaceLightPos0.xyz - i.posWorld.xyz,_WorldSpaceLightPos0.w));
                float3 lightColor = _LightColor0.rgb;
                float3 halfDirection = normalize(viewDirection+lightDirection);

                float attenuation = LIGHT_ATTENUATION(i);
                float3 attenColor = attenuation * _LightColor0.xyz;
                float gloss = 0.4;
                float specPow = exp2( gloss * 10.0 + 1.0 );
                float NdotL = saturate(dot( normalDirection, lightDirection ));
                float3 specularColor = float3(0.2,0.2,0.2);
                float3 directSpecular = attenColor * pow(max(0,dot(halfDirection,normalDirection)),specPow)*specularColor;
                float3 specular = directSpecular;

                NdotL = max(0.0,dot( normalDirection, lightDirection ));
                float3 directDiffuse = max( 0.0, NdotL) * attenColor;
                float3 diffuseColor = (_Color.rgb*_Diffuse_var.rgb);
                float3 diffuse = directDiffuse * diffuseColor;

                float3 finalColor = diffuse + specular;
                fixed4 finalRGBA = fixed4(finalColor * 1,0);
                UNITY_APPLY_FOG(i.fogCoord, finalRGBA);
                return finalRGBA;
            }
            ENDCG
        }
        Pass {
            Name "ShadowCaster"
            Tags {
                "LightMode"="ShadowCaster"
            }
            Offset 1, 1
            Cull Off
            
            CGPROGRAM
            #pragma vertex vert
            #pragma fragment frag
            #define UNITY_PASS_SHADOWCASTER
            #include "Lighting.cginc"
            #pragma multi_compile_shadowcaster
            #pragma multi_compile_fog

            uniform float4 _TimeEditor;
            uniform sampler2D _Diffuse; uniform float4 _Diffuse_ST;
            uniform float _VertexIntensity;
            struct VertexInput {
                float4 vertex : POSITION;
                float3 normal : NORMAL;
                float2 texcoord0 : TEXCOORD0;
                float2 texcoord1 : TEXCOORD1;
                float2 texcoord2 : TEXCOORD2;
                float4 vertexColor : COLOR;
            };
            struct VertexOutput {
                V2F_SHADOW_CASTER;
                float2 uv0 : TEXCOORD1;
                float2 uv1 : TEXCOORD2;
                float2 uv2 : TEXCOORD3;
                float4 posWorld : TEXCOORD4;
                float3 normalDir : TEXCOORD5;
                float4 vertexColor : COLOR;
            };
            VertexOutput vert (VertexInput v) {
                VertexOutput o = (VertexOutput)0;
                o.uv0 = v.texcoord0;
                o.uv1 = v.texcoord1;
                o.uv2 = v.texcoord2;
                o.vertexColor = v.vertexColor;
                o.normalDir = UnityObjectToWorldNormal(v.normal);
                float4 AllTime = _Time + _TimeEditor;
                v.vertex.xyz += (normalize((float3(1,0,0)+v.normal))*o.vertexColor.r*sin(((o.vertexColor.r*3.141592654)+AllTime.g))*_VertexIntensity);
                o.posWorld = mul(unity_ObjectToWorld, v.vertex);
                o.pos = UnityObjectToClipPos( v.vertex );
                TRANSFER_SHADOW_CASTER(o)
                return o;
            }
            float4 frag(VertexOutput i, float facing : VFACE) : COLOR {
                float isFrontFace = ( facing >= 0 ? 1 : 0 );
                float faceSign = ( facing >= 0 ? 1 : -1 );
                i.normalDir = normalize(i.normalDir);
                i.normalDir *= faceSign;
                float3 viewDirection = normalize(_WorldSpaceCameraPos.xyz - i.posWorld.xyz);
                float3 normalDirection = i.normalDir;
                float4 _Diffuse_var = tex2D(_Diffuse,TRANSFORM_TEX(i.uv0, _Diffuse));
                clip(_Diffuse_var.a - 0.5);
                SHADOW_CASTER_FRAGMENT(i)
            }
            ENDCG
        }
        Pass {
            Name "Meta"
            Tags {
                "LightMode"="Meta"
            }
            Cull Off
            
            CGPROGRAM
            #pragma vertex vert
            #pragma fragment frag
            #define UNITY_PASS_META 1
            #include "Lighting.cginc"
            #include "UnityMetaPass.cginc"
            #pragma multi_compile_shadowcaster
            #pragma multi_compile_fog

            uniform float4 _TimeEditor;
            uniform sampler2D _Diffuse; uniform float4 _Diffuse_ST;
            uniform float _Bright;
            uniform float4 _Color;
            uniform float _VertexIntensity;
            struct VertexInput {
                float4 vertex : POSITION;
                float3 normal : NORMAL;
                float2 texcoord0 : TEXCOORD0;
                float2 texcoord1 : TEXCOORD1;
                float2 texcoord2 : TEXCOORD2;
                float4 vertexColor : COLOR;
            };
            struct VertexOutput {
                float4 pos : SV_POSITION;
                float2 uv0 : TEXCOORD0;
                float2 uv1 : TEXCOORD1;
                float2 uv2 : TEXCOORD2;
                float4 posWorld : TEXCOORD3;
                float3 normalDir : TEXCOORD4;
                float4 vertexColor : COLOR;
            };
            VertexOutput vert (VertexInput v) {
                VertexOutput o = (VertexOutput)0;
                o.uv0 = v.texcoord0;
                o.uv1 = v.texcoord1;
                o.uv2 = v.texcoord2;
                o.vertexColor = v.vertexColor;
                o.normalDir = UnityObjectToWorldNormal(v.normal);
                float4 AllTime = _Time + _TimeEditor;
                v.vertex.xyz += (normalize((float3(1,0,0)+v.normal))*o.vertexColor.r*sin(((o.vertexColor.r*3.141592654)+AllTime.g))*_VertexIntensity);
                o.posWorld = mul(unity_ObjectToWorld, v.vertex);
                o.pos = UnityMetaVertexPosition(v.vertex, v.texcoord1.xy, v.texcoord2.xy, unity_LightmapST, unity_DynamicLightmapST );
                return o;
            }
            float4 frag(VertexOutput i, float facing : VFACE) : SV_Target {
                float isFrontFace = ( facing >= 0 ? 1 : 0 );
                float faceSign = ( facing >= 0 ? 1 : -1 );
                i.normalDir = normalize(i.normalDir);
                i.normalDir *= faceSign;
                float3 viewDirection = normalize(_WorldSpaceCameraPos.xyz - i.posWorld.xyz);
                float3 normalDirection = i.normalDir;
                UnityMetaInput o;
                UNITY_INITIALIZE_OUTPUT( UnityMetaInput, o );
                
                float4 _Diffuse_var = tex2D(_Diffuse,TRANSFORM_TEX(i.uv0, _Diffuse));
                o.Emission = (_Diffuse_var.rgb*_Bright);
                float3 diffColor = (_Color.rgb*_Diffuse_var.rgb);
                float3 specColor = float3(0.2,0.2,0.2);
                float roughness = 1.0 - 0.4;
                o.Albedo = diffColor + specColor * roughness * roughness * 0.5;
                return UnityMetaFragment( o );
            }
            ENDCG
        }
    }
    FallBack "Transparent/Cutout/Diffuse"
}