Ensure grass rendering respects air block checks and update project Java home in gradle properties.

gradle.properties

@@ -9,3 +9,5 @@ mcp_mappings = stable_39
 
 kotlin_version = 1.3.40
 forgelin_version = 1.8.4
+
+org.gradle.java.home=C:\\Users\\catma\\.jdks\\corretto-1.8.0_482

src/main/kotlin/mods/betterfoliage/client/render/RenderGrass.kt

@@ -102,6 +102,10 @@ class RenderGrass : AbstractBlockRenderingHandler(BetterFoliageMod.MOD_ID) {
         }
 
         if (!Config.shortGrass.grassEnabled) return true
+
+        val stateAbove = ctx.blockState(up1)
+        if (!stateAbove.block.isAir(stateAbove, ctx.world!!, ctx.pos.up())) return true
+
         if (isSnowed && !Config.shortGrass.snowEnabled) return true
         if (ctx.blockState(up1).isOpaqueCube) return true
         if (Config.shortGrass.population < 64 && noise[ctx.pos] >= Config.shortGrass.population) return true