package com.drnickenstein.testmod.world.features;



import java.util.Random;
import java.util.function.Function;

import com.mojang.datafixers.Dynamic;

import net.minecraft.util.Mirror;
import net.minecraft.util.ResourceLocation;
import net.minecraft.util.Rotation;
import net.minecraft.util.math.BlockPos;
import net.minecraft.util.math.MutableBoundingBox;
import net.minecraft.world.IWorld;
import net.minecraft.world.gen.ChunkGenerator;
import net.minecraft.world.gen.GenerationSettings;
import net.minecraft.world.gen.Heightmap;
import net.minecraft.world.gen.feature.Feature;
import net.minecraft.world.gen.feature.NoFeatureConfig;
import net.minecraft.world.gen.feature.template.BlockIgnoreStructureProcessor;
import net.minecraft.world.gen.feature.template.IntegrityProcessor;
import net.minecraft.world.gen.feature.template.PlacementSettings;
import net.minecraft.world.gen.feature.template.Template;
import net.minecraft.world.server.ServerWorld;

public class RubberForestPondFeature extends Feature<NoFeatureConfig>
{

	private static final ResourceLocation STRUCTURE_POND_1 = new ResourceLocation("humlands:pond/pond_1");
	private static final ResourceLocation STRUCTURE_POND_2 = new ResourceLocation("humlands:pond/pond_2");
	//private static final ResourceLocation STRUCTURE_POND_3 = new ResourceLocation("humlands:pond/pond_3");
	//private static final ResourceLocation STRUCTURE_POND_4 = new ResourceLocation("humlands:pond/pond_4");

	private static final ResourceLocation[] PONDS = new ResourceLocation[]
			{
					STRUCTURE_POND_1,
					STRUCTURE_POND_2,
			        //STRUCTURE_POND_3,
			        //STRUCTURE_POND_4
			};


	public RubberForestPondFeature(Function<Dynamic<?>, ? extends NoFeatureConfig> p_i49873_1_)
	{
		super(p_i49873_1_);
	}

	public boolean place(IWorld worldIn, ChunkGenerator<? extends GenerationSettings> generator, Random rand,
			BlockPos pos, NoFeatureConfig config) {
		Random random = worldIn.getRandom();
		Rotation[] arotation = Rotation.values();
		Rotation rotation = arotation[random.nextInt(arotation.length)];
		Template template = ((ServerWorld) worldIn.getWorld()).getSaveHandler().getStructureTemplateManager()
				.getTemplateDefaulted(PONDS[random.nextInt(PONDS.length)]);


		PlacementSettings placementsettings = (new PlacementSettings()).setRotation(rotation)
				//.setBoundingBox defines until where the structure should spawn, for example here it's max 25600 X, 256 Y and 25600 Z
				.setBoundingBox(new MutableBoundingBox((0 - 25600), (0 - 25600), (0 - 25600), 25600, 256, 25600))
				.setRandom(random)
				.addProcessor(BlockIgnoreStructureProcessor.AIR_AND_STRUCTURE_BLOCK);
		// j k l are respectively x y z , and define the width, height and depth of the structure
		BlockPos blockpos = template.transformedSize(rotation);
		int j = random.nextInt(20 - 0);
		int k = random.nextInt(20 - 0);
		int l = 256;
		for (int i1 = 0; i1 < blockpos.getX(); ++i1) {
			for (int j1 = 0; j1 < blockpos.getZ(); ++j1) {
				l = Math.min(l,
						worldIn.getHeight(Heightmap.Type.WORLD_SURFACE_WG, pos.getX(), pos.getZ()));
			}
		}
		//This is what actually generates the structure
		BlockPos blockpos1 = template.getZeroPositionWithTransform(
				new BlockPos(pos.add(j, 0, k).getX(), l, pos.add(j, 0, k).getZ()), Mirror.NONE, rotation);
		IntegrityProcessor integrityprocessor = new IntegrityProcessor(0.9F);
		placementsettings.clearProcessors().addProcessor(integrityprocessor);
		template.addBlocksToWorld(worldIn, blockpos1, placementsettings, 4);
		placementsettings.func_215220_b(integrityprocessor);
		return true;


  }
}