SlightlyVanilla/src/main/java/com/thebrokenrail/slightlyvanilla/mixin/MixinNetherPortalBlockAreaHelper.java

package com.thebrokenrail.slightlyvanilla.mixin;

import com.thebrokenrail.slightlyvanilla.SlightlyVanilla;
import net.minecraft.block.Block;
import net.minecraft.block.BlockState;
import net.minecraft.block.Blocks;
import net.minecraft.block.NetherPortalBlock;
import org.spongepowered.asm.mixin.Mixin;
import org.spongepowered.asm.mixin.injection.At;
import org.spongepowered.asm.mixin.injection.Redirect;

@SuppressWarnings("unused")
@Mixin(NetherPortalBlock.AreaHelper.class)
public class MixinNetherPortalBlockAreaHelper {
    @SuppressWarnings("UnresolvedMixinReference")
    @Redirect(at = @At(value = "INVOKE", target = "Lnet/minecraft/block/BlockState;getBlock()Lnet/minecraft/block/Block;"), method = "*")
    public Block redirectBlock(BlockState state) {
        Block block = state.getBlock();
        if (block.isIn(SlightlyVanilla.EXTRA_PORTAL_BLOCKS_TAG) && SlightlyVanilla.getConfig().cryingObsidianNetherPortal) {
            return Blocks.OBSIDIAN;
        } else {
            return block;
        }
    }
}