ActuallyAdditions/src/main/java/de/ellpeck/actuallyadditions/common/tile/TileEntityFluidCollector.java

package de.ellpeck.actuallyadditions.common.tile;

import de.ellpeck.actuallyadditions.common.util.Util;
import de.ellpeck.actuallyadditions.common.util.WorldUtil;
import net.minecraft.block.Block;
import net.minecraft.block.BlockLiquid;
import net.minecraft.block.state.IBlockState;
import net.minecraft.init.Blocks;
import net.minecraft.init.SoundEvents;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.util.EnumFacing;
import net.minecraft.util.EnumParticleTypes;
import net.minecraft.util.SoundCategory;
import net.minecraft.util.math.BlockPos;
import net.minecraft.world.WorldServer;
import net.minecraftforge.fluids.FluidRegistry;
import net.minecraftforge.fluids.FluidStack;
import net.minecraftforge.fluids.FluidTank;
import net.minecraftforge.fluids.IFluidBlock;
import net.minecraftforge.fluids.capability.IFluidHandler;

public class TileEntityFluidCollector extends TileEntityBase implements ISharingFluidHandler {

    public boolean isPlacer;
    public final FluidTank tank = new FluidTank(8 * Util.BUCKET) {
        @Override
        public boolean canFill() {
            return TileEntityFluidCollector.this.isPlacer;
        }

        @Override
        public boolean canDrain() {
            return !TileEntityFluidCollector.this.isPlacer;
        }
    };
    private int lastTankAmount;
    private int currentTime;
    private int lastCompare;

    public TileEntityFluidCollector(String name) {
        super(name);
    }

    public TileEntityFluidCollector() {
        this("fluidCollector");
        this.isPlacer = false;
    }

    @Override
    public boolean isRedstoneToggle() {
        return true;
    }

    @Override
    public void activateOnPulse() {
        this.doWork();
    }

    private void doWork() {
        IBlockState state = this.world.getBlockState(this.pos);
        EnumFacing sideToManipulate = WorldUtil.getDirectionByPistonRotation(state);
        BlockPos coordsBlock = this.pos.offset(sideToManipulate);

        IBlockState stateToBreak = this.world.getBlockState(coordsBlock);
        Block blockToBreak = stateToBreak.getBlock();
        if (!this.isPlacer && blockToBreak != null && blockToBreak.getMetaFromState(stateToBreak) == 0 && Util.BUCKET <= this.tank.getCapacity() - this.tank.getFluidAmount()) {
            if (blockToBreak instanceof IFluidBlock && ((IFluidBlock) blockToBreak).getFluid() != null) {
                if (this.tank.fillInternal(new FluidStack(((IFluidBlock) blockToBreak).getFluid(), Util.BUCKET), false) >= Util.BUCKET) {
                    this.tank.fillInternal(new FluidStack(((IFluidBlock) blockToBreak).getFluid(), Util.BUCKET), true);
                    this.world.setBlockToAir(coordsBlock);
                }
            } else if (blockToBreak == Blocks.LAVA || blockToBreak == Blocks.FLOWING_LAVA) {
                if (this.tank.fillInternal(new FluidStack(FluidRegistry.LAVA, Util.BUCKET), false) >= Util.BUCKET) {
                    this.tank.fillInternal(new FluidStack(FluidRegistry.LAVA, Util.BUCKET), true);
                    this.world.setBlockToAir(coordsBlock);
                }
            } else if (blockToBreak == Blocks.WATER || blockToBreak == Blocks.FLOWING_WATER) {
                if (this.tank.fillInternal(new FluidStack(FluidRegistry.WATER, Util.BUCKET), false) >= Util.BUCKET) {
                    this.tank.fillInternal(new FluidStack(FluidRegistry.WATER, Util.BUCKET), true);
                    this.world.setBlockToAir(coordsBlock);
                }
            }
        } else if (this.isPlacer && blockToBreak.isReplaceable(this.world, coordsBlock)) {
            if (this.tank.getFluidAmount() >= Util.BUCKET) {
                FluidStack stack = this.tank.getFluid();
                Block fluid = stack.getFluid().getBlock();
                if (fluid != null) {
                    BlockPos offsetPos = this.pos.offset(sideToManipulate);
                    boolean placeable = !(blockToBreak instanceof BlockLiquid) && !(blockToBreak instanceof IFluidBlock) && blockToBreak.isReplaceable(this.world, offsetPos);
                    if (placeable) {
                        this.tank.drainInternal(Util.BUCKET, true);

                        if (this.world.provider.doesWaterVaporize() && stack.getFluid().doesVaporize(stack)) {
                            this.world.playSound(null, offsetPos, SoundEvents.BLOCK_FIRE_EXTINGUISH, SoundCategory.BLOCKS, 0.5F, 2.6F + (this.world.rand.nextFloat() - this.world.rand.nextFloat()) * 0.8F);

                            if (this.world instanceof WorldServer) {
                                for (int l = 0; l < 8; ++l) {
                                    ((WorldServer) this.world).spawnParticle(EnumParticleTypes.SMOKE_LARGE, false, offsetPos.getX() + Math.random(), offsetPos.getY() + Math.random(), offsetPos.getZ() + Math.random(), 1, 0.0D, 0.0D, 0.0D, 0);
                                }
                            }
                        } else {
                            this.world.setBlockState(offsetPos, fluid.getDefaultState(), 3);
                        }
                    }
                }
            }
        }
    }

    @Override
    public int getComparatorStrength() {
        float calc = (float) this.tank.getFluidAmount() / (float) this.tank.getCapacity() * 15F;
        return (int) calc;
    }

    @Override
    public IFluidHandler getFluidHandler(EnumFacing facing) {
        return this.tank;
    }

    @Override
    public void writeSyncableNBT(NBTTagCompound compound, NBTType type) {
        super.writeSyncableNBT(compound, type);
        if (type != NBTType.SAVE_BLOCK) {
            compound.setInteger("CurrentTime", this.currentTime);
        }
        this.tank.writeToNBT(compound);
    }

    @Override
    public void readSyncableNBT(NBTTagCompound compound, NBTType type) {
        super.readSyncableNBT(compound, type);
        if (type != NBTType.SAVE_BLOCK) {
            this.currentTime = compound.getInteger("CurrentTime");
        }
        this.tank.readFromNBT(compound);
    }

    @Override
    public void updateEntity() {
        super.updateEntity();
        if (!this.world.isRemote) {
            if (!this.isRedstonePowered && !this.isPulseMode) {
                if (this.currentTime > 0) {
                    this.currentTime--;
                    if (this.currentTime <= 0) {
                        this.doWork();
                    }
                } else {
                    this.currentTime = 15;
                }
            }

            if (this.lastCompare != this.getComparatorStrength()) {
                this.lastCompare = this.getComparatorStrength();

                this.markDirty();
            }

            if (this.lastTankAmount != this.tank.getFluidAmount() && this.sendUpdateWithInterval()) {
                this.lastTankAmount = this.tank.getFluidAmount();
            }
        }
    }

    @Override
    public int getMaxFluidAmountToSplitShare() {
        return this.tank.getFluidAmount();
    }

    @Override
    public boolean doesShareFluid() {
        return !this.isPlacer;
    }

    @Override
    public EnumFacing[] getFluidShareSides() {
        return EnumFacing.values();
    }
}