fix saturation threshold not being respected for grass textures

src/main/kotlin/mods/betterfoliage/client/texture/GrassRegistry.kt

@@ -22,6 +22,7 @@ import net.minecraft.world.IBlockAccess
 import net.minecraftforge.common.MinecraftForge
 import net.minecraftforge.fml.relauncher.Side
 import net.minecraftforge.fml.relauncher.SideOnly
+import org.apache.logging.log4j.Level
 
 const val defaultGrassColor = 0
 
@@ -92,8 +93,16 @@ object StandardGrassSupport :
     }
 
     fun registerGrass(texture: TextureAtlasSprite, atlas: TextureMap) {
+        logger.log(Level.DEBUG, "$logName: texture ${texture.iconName}")
         val hsb = HSB.fromColor(texture.averageColor ?: defaultGrassColor)
-        val overrideColor = if (hsb.saturation > Config.shortGrass.saturationThreshold) hsb.copy(brightness = 0.8f).asColor else null
+        val overrideColor = if (hsb.saturation >= Config.shortGrass.saturationThreshold) {
+            logger.log(Level.DEBUG, "$logName:         saturation ${hsb.saturation} >= ${Config.shortGrass.saturationThreshold}, using texture color")
+            hsb.copy(brightness = 0.9f).asColor
+        } else {
+            logger.log(Level.DEBUG, "$logName:         saturation ${hsb.saturation} < ${Config.shortGrass.saturationThreshold}, using block color")
+            null
+        }
+
         textureToValue[texture] =  GrassInfo(texture, overrideColor)
     }
 }

src/main/kotlin/mods/octarinecore/Utils.kt

@@ -8,7 +8,10 @@ import java.lang.Math.*
 
 const val PI2 = 2.0 * PI
 
+/** Strip the given prefix off the start of the string, if present */
 inline fun String.stripStart(str: String) = if (startsWith(str)) substring(str.length) else this
+
+/** Strip the given prefix off the start of the resource path, if present */
 inline fun ResourceLocation.stripStart(str: String) = ResourceLocation(resourceDomain, resourcePath.stripStart(str))
 
 /** Mutating version of _map_. Replace each element of the list with the result of the given transformation. */

src/main/kotlin/mods/octarinecore/client/resource/Utils.kt

@@ -63,7 +63,7 @@ val BufferedImage.asStream: InputStream get() =
  * and the result transformed back to the RGB color space.
  */
 val TextureAtlasSprite.averageColor: Int? get() {
-    val locationNoDirs = ResourceLocation(iconName)
+    val locationNoDirs = ResourceLocation(iconName).stripStart("blocks/")
     val locationWithDirs = ResourceLocation(locationNoDirs.resourceDomain, "textures/blocks/%s.png".format(locationNoDirs.resourcePath))
     val image = resourceManager[locationWithDirs]?.loadImage() ?: return null