fix shaderforge lightmap (shadowmask, baked-indirect and subtractive)

shaderforge-fixlightmap.patch

commit 3a23cbafc92f5dc4b3a1ab04b4a06d0d7733b66f
Author: xiaobin83 <[email protected]>
Date:   Wed Nov 15 18:02:07 2017 +0800

    fix lightmap issue

diff --git a/Assets/ShaderForge/Editor/Code/_Evaluator/SF_Evaluator.cs b/Assets/ShaderForge/Editor/Code/_Evaluator/SF_Evaluator.cs
index 282d252..59fbd9d 100644
--- a/Assets/ShaderForge/Editor/Code/_Evaluator/SF_Evaluator.cs
+++ b/Assets/ShaderForge/Editor/Code/_Evaluator/SF_Evaluator.cs
@@ -1107,7 +1107,16 @@ namespace ShaderForge {
 					}
 				}
 
-				lmbStr = "float3 directDiffuse = " + lmbStr + " * attenColor";
+				if (HasGIData())
+				{
+
+					lmbStr = "float3 directDiffuse = " + lmbStr + " * gi.light.color";
+				}
+				else
+				{
+					lmbStr = "float3 directDiffuse = " + lmbStr + " * attenColor";
+				}
+
 				lmbStr += ";";
 				App( lmbStr );
 			}
@@ -1942,13 +1951,17 @@ namespace ShaderForge {
 			}
 
 		}
+		
+		bool HasGIData()
+		{
+			return ( currentPass == PassType.FwdBase || currentPass == PassType.Deferred ) && ( ps.catLighting.lightMode == SFPSC_Lighting.LightMode.PBL || ps.catLighting.reflectprobed || LightmappedAndLit() );
+		}
 
 
 		void CalcGIdata(){
 
 
-			if( ( currentPass == PassType.FwdBase || currentPass == PassType.Deferred ) && ( ps.catLighting.lightMode == SFPSC_Lighting.LightMode.PBL || ps.catLighting.reflectprobed || LightmappedAndLit() ) ) {
-
+			if (HasGIData()) {
 
 				AppDebug("GI Data");
 
@@ -1960,19 +1973,19 @@ namespace ShaderForge {
 					App( "light.ndotl = max(0,dot(normalDirection,light.dir));" );
 				} else {
 					App( "UnityLight light;" );
-					App( "#ifdef LIGHTMAP_OFF" );
-					scope++;
+					//App( "#ifdef LIGHTMAP_OFF" );
+					//scope++;
 					App( "light.color = lightColor;" );
 					App( "light.dir = lightDirection;" );
 					App( "light.ndotl = LambertTerm (normalDirection, light.dir);" );
-					scope--;
-					App( "#else" );
-					scope++;
-					App( "light.color = half3(0.f, 0.f, 0.f);" );
-					App( "light.ndotl = 0.0f;" );
-					App( "light.dir = half3(0.f, 0.f, 0.f);" );
-					scope--;
-					App( "#endif" );
+					//scope--;
+					//App( "#else" );
+					//scope++;
+					//App( "light.color = half3(0.f, 0.f, 0.f);" );
+					//App( "light.ndotl = 0.0f;" );
+					//App( "light.dir = half3(0.f, 0.f, 0.f);" );
+					//scope--;
+					//App( "#endif" );
 				}