// Upgrade NOTE: replaced 'mul(UNITY_MATRIX_MVP,*)' with 'UnityObjectToClipPos(*)'

Shader "ParticleEffect_Shader/(Shader) Normal Alpha Blended" {
		Properties{
			[HDR]_TintColor("Tint Color",Color) = ( 0.5, 0.5, 0.5, 0.5 )
			_AllColorFactor("All Color Factor",float) = 1.0
			_ColorRedFactor("Color Red Factor", float) = 1.0
			_ColorGreenFactor("Color Green Factor", float) = 1.0
			_ColorBlueFactor("Color Blue Factor",float) = 1.0
			_MainTex("Particle Texture",2D) = "white" {}
			_InvFade("Soft Particles Factor",Range(0.01,3.0)) = 1.0
		}

			Category{
					Tags{"Queue" = "Transparent" "IgnoreProjector" = "True" "RenderType" = "Transparent"  }
						Blend SrcAlpha OneMinusSrcAlpha 
						ColorMask RGB 
						Cull Off 
						Lighting Off 
						ZWrite Off 

					SubShader{
						Pass{
							CGPROGRAM
							#pragma vertex vert 
							#pragma fragment frag 
							#pragma target 3.0
							#pragma multi_compile_particles 
							#pragma multi_compile_fog 

							#include "UnityCG.cginc"

							sampler2D _MainTex; 
							fixed4 _TintColor;
							float _AllColorFactor;
							float _ColorRedFactor;
							float _ColorGreenFactor;
							float _ColorBlueFactor;


							struct appdata_t { 
								float4 vertex : POSITION;
								fixed4 color : COLOR;
								float2 texcoord : TEXCOORD0;
							};

							struct v2f { 
								float4 vertex : SV_POSITION;
								fixed4 color : COLOR;
								float2 texcoord : TEXCOORD0;
								UNITY_FOG_COORDS(1)
								#ifdef SOFTPARTICLES_ON
									float4 projPos : TEXCOORD2;
								#endif
							};

							float4 _MainTex_ST;

							v2f vert(appdata_t v) { 
								v2f o;
								o.vertex = UnityObjectToClipPos(v.vertex);

								#ifdef SOFTPARTICLES_ON
									o.projPos = ComputeScreenPos(o.vertex);
									COMPUTE_EYEDEPTH(o.projPos.z);
								#endif
									o.color = v.color;
									o.texcoord = TRANSFORM_TEX(v.texcoord, _MainTex);
									UNITY_TRANSFER_FOG(o, o.vertex);
									return o;
							}

							sampler2D _CameraDepthTexture;
							float _InvFade;
							fixed4 frag(v2f i) : COLOR 
							{
                                #ifdef SOFTPARTICLES_ON
                                    float sceneZ = LinearEyeDepth(UNITY_SAMPLE_DEPTH(tex2Dproj(_CameraDepthTexture,UNITY_PROJ_COORD(i.projPos))));
                                    float partZ = i.projPos.z;
                                    float fade = saturate(_InvFade * (sceneZ - partZ));
                                    i.color.a *= fade;
                                #endif

								fixed4 tex = tex2D(_MainTex,i.texcoord);
								tex = fixed4(tex.r * _ColorRedFactor, tex.g * _ColorGreenFactor, tex.b * _ColorBlueFactor, tex.a);
								fixed4 res = _AllColorFactor * i.color * _TintColor * tex;
								UNITY_APPLY_FOG(i.texcoord, res);
								return res;
							}
							ENDCG
						}
					}
	}
}