Unicopia/src/main/java/com/minelittlepony/unicopia/block/BlockCloudFarm.java

package com.minelittlepony.unicopia.block;

import java.util.List;

import javax.annotation.Nullable;

import com.minelittlepony.unicopia.CloudType;
import com.minelittlepony.unicopia.UBlocks;

import net.minecraft.block.state.IBlockState;
import net.minecraft.entity.Entity;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.util.BlockRenderLayer;
import net.minecraft.util.EnumFacing;
import net.minecraft.util.math.AxisAlignedBB;
import net.minecraft.util.math.BlockPos;
import net.minecraft.world.IBlockAccess;
import net.minecraft.world.World;

public class BlockCloudFarm extends UFarmland implements ICloudBlock {

    public BlockCloudFarm(String domain, String name) {
        super(domain, name);
    }

    @Override
    public boolean isTranslucent(IBlockState state) {
        return true;
    }

    @Override
    public boolean isAir(IBlockState state, IBlockAccess world, BlockPos pos) {
        return allowsFallingBlockToPass(state, world, pos);
    }

    @Override
    public BlockRenderLayer getRenderLayer() {
        return BlockRenderLayer.TRANSLUCENT;
    }

    @Override
    public boolean doesSideBlockRendering(IBlockState state, IBlockAccess world, BlockPos pos, EnumFacing face) {

        IBlockState beside = world.getBlockState(pos.offset(face));

        if (beside.getBlock() instanceof ICloudBlock) {
            ICloudBlock cloud = ((ICloudBlock)beside.getBlock());

            if ((face == EnumFacing.DOWN || face == EnumFacing.UP || cloud == this)) {
                if (cloud.getCloudMaterialType(beside) == getCloudMaterialType(state)) {
                    return true;
                }
            }
        }

        return super.doesSideBlockRendering(state, world, pos, face);
    }

    @Override
    public void onFallenUpon(World world, BlockPos pos, Entity entityIn, float fallDistance) {
        if (entityIn.isSneaking()) {
            super.onFallenUpon(world, pos, entityIn, fallDistance);
        } else {
            entityIn.fall(fallDistance, 0);
        }
    }

    @Override
    public void onLanded(World worldIn, Entity entity) {
        if (entity.isSneaking()) {
            super.onLanded(worldIn, entity);
        } else if (entity.motionY < 0) {
            if (Math.abs(entity.motionY) >= 0.25) {
                entity.motionY = -entity.motionY * 1.2;
            } else {
                entity.motionY = 0;
            }
        }
    }

    @Override
    public void onEntityCollision(World w, BlockPos pos, IBlockState state, Entity entity) {
        if (getCanInteract(state, entity)) {
            if (!entity.isSneaking() && Math.abs(entity.motionY) >= 0.25) {
                entity.motionY += 0.0155 * (entity.fallDistance < 1 ? 1 : entity.fallDistance);
            } else {
                entity.motionY = 0;
            }

            super.onEntityCollision(w, pos, state, entity);
        }
    }

    @Override
    public boolean canEntityDestroy(IBlockState state, IBlockAccess world, BlockPos pos, Entity entity) {
        return getCanInteract(state, entity) && super.canEntityDestroy(state, world, pos, entity);
    }

    @Deprecated
    public void addCollisionBoxToList(IBlockState state, World worldIn, BlockPos pos, AxisAlignedBB entityBox, List<AxisAlignedBB> collidingBoxes, @Nullable Entity entity, boolean p_185477_7_) {
        if (getCanInteract(state, entity)) {
            super.addCollisionBoxToList(state, worldIn, pos, entityBox, collidingBoxes, entity, p_185477_7_);
        }
    }

    @Deprecated
    @Override
    public float getPlayerRelativeBlockHardness(IBlockState state, EntityPlayer player, World worldIn, BlockPos pos) {
        if (CloudType.NORMAL.canInteract(player)) {
            return super.getPlayerRelativeBlockHardness(state, player, worldIn, pos);
        }
        return -1;
    }


    @Override
    public CloudType getCloudMaterialType(IBlockState blockState) {
        return CloudType.NORMAL;
    }

    @Override
    protected IBlockState getDirtState(World world, BlockPos pos, IBlockState state) {
        return UBlocks.cloud.getDefaultState();
    }
}