Merge branch 'master' into 1.16

# Conflicts:
#	src/main/resources/carpet.mixins.json

src/main/java/carpet/mixins/ChunkMixin.java

@@ -11,6 +11,7 @@ import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
 @Mixin(Chunk.class)
 public abstract class ChunkMixin
 {
+    // failed to mixin into interface. need to mixin in two places that uses it
     @Inject(method = "markBlockForPostProcessing(Lnet/minecraft/util/math/BlockPos;)V",
         at =@At("HEAD"), cancellable = true)
     private void squashWarnings(BlockPos blockPos_1, CallbackInfo ci)

src/main/java/carpet/mixins/ChunkRegion_scarpetPlopMixin.java

@@ -0,0 +1,19 @@
+package carpet.mixins;
+
+import carpet.CarpetSettings;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.world.ChunkRegion;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+@Mixin(ChunkRegion.class)
+public class ChunkRegion_scarpetPlopMixin
+{
+    @Inject(method = "markBlockForPostProcessing", at = @At("HEAD"))
+    private void markOrNot(BlockPos blockPos, CallbackInfo ci)
+    {
+        if (CarpetSettings.skipGenerationChecks) ci.cancel();
+    }
+}

src/main/java/carpet/mixins/StructurePiece_scarpetPlopMixin.java

@@ -0,0 +1,22 @@
+package carpet.mixins;
+
+import carpet.CarpetSettings;
+import net.minecraft.structure.StructurePiece;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.world.chunk.Chunk;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Redirect;
+
+@Mixin(StructurePiece.class)
+public class StructurePiece_scarpetPlopMixin
+{
+    @Redirect(method = "addBlock", at = @At(
+            value = "INVOKE",
+            target = "Lnet/minecraft/world/chunk/Chunk;markBlockForPostProcessing(Lnet/minecraft/util/math/BlockPos;)V"
+    ))
+    private void markOrNot(Chunk chunk, BlockPos pos)
+    {
+        if (!CarpetSettings.skipGenerationChecks) chunk.markBlockForPostProcessing(pos);
+    }
+}