ActuallyAdditions/src/main/java/de/ellpeck/actuallyadditions/mod/tile/TileEntityBase.java

package de.ellpeck.actuallyadditions.mod.tile;

import de.ellpeck.actuallyadditions.mod.ActuallyAdditions;
import de.ellpeck.actuallyadditions.mod.config.values.ConfigIntValues;
import de.ellpeck.actuallyadditions.mod.util.VanillaPacketDispatcher;
import de.ellpeck.actuallyadditions.mod.util.WorldUtil;
import net.minecraft.block.state.IBlockState;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.network.NetworkManager;
import net.minecraft.network.play.server.SPacketUpdateTileEntity;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.util.EnumFacing;
import net.minecraft.util.ITickable;
import net.minecraft.util.ResourceLocation;
import net.minecraft.util.math.BlockPos;
import net.minecraft.util.text.ITextComponent;
import net.minecraft.util.text.TextComponentTranslation;
import net.minecraft.world.World;
import net.minecraftforge.common.capabilities.Capability;
import net.minecraftforge.energy.CapabilityEnergy;
import net.minecraftforge.energy.IEnergyStorage;
import net.minecraftforge.fluids.capability.CapabilityFluidHandler;
import net.minecraftforge.fluids.capability.IFluidHandler;
import net.minecraftforge.fml.common.registry.GameRegistry;
import net.minecraftforge.items.CapabilityItemHandler;
import net.minecraftforge.items.IItemHandler;

public abstract class TileEntityBase extends TileEntity implements ITickable {

    public final String name;
    public boolean isRedstonePowered;
    public boolean isPulseMode;
    public boolean stopFromDropping;
    protected int ticksElapsed;
    protected TileEntity[] tilesAround = new TileEntity[6];
    protected boolean hasSavedDataOnChangeOrWorldStart;

    public TileEntityBase(String name) {
        this.name = name;
    }

    public static void init() {
        ActuallyAdditions.LOGGER.info("Registering TileEntities...");

        register(TileEntityCompost.class);
        register(TileEntityFeeder.class);
        register(TileEntityGiantChest.class);
        register(TileEntityGiantChestMedium.class);
        register(TileEntityGiantChestLarge.class);
        register(TileEntityGrinder.class);
        register(TileEntityFurnaceDouble.class);
        register(TileEntityInputter.class);
        register(TileEntityFishingNet.class);
        register(TileEntityFurnaceSolar.class);
        register(TileEntityHeatCollector.class);
        register(TileEntityItemRepairer.class);
        register(TileEntityBreaker.class);
        register(TileEntityDropper.class);
        register(TileEntityInputterAdvanced.class);
        register(TileEntityPlacer.class);
        register(TileEntityGrinderDouble.class);
        register(TileEntityCanolaPress.class);
        register(TileEntityFermentingBarrel.class);
        register(TileEntityOilGenerator.class);
        register(TileEntityCoalGenerator.class);
        register(TileEntityPhantomItemface.class);
        register(TileEntityPhantomLiquiface.class);
        register(TileEntityPhantomEnergyface.class);
        register(TileEntityPlayerInterface.class);
        register(TileEntityPhantomPlacer.class);
        register(TileEntityPhantomBreaker.class);
        register(TileEntityFluidCollector.class);
        register(TileEntityFluidPlacer.class);
        register(TileEntityLavaFactoryController.class);
        register(TileEntityCoffeeMachine.class);
        register(TileEntityPhantomBooster.class);
        register(TileEntityEnergizer.class);
        register(TileEntityEnervator.class);
        register(TileEntityXPSolidifier.class);
        register(TileEntitySmileyCloud.class);
        register(TileEntityLeafGenerator.class);
        register(TileEntityDirectionalBreaker.class);
        register(TileEntityRangedCollector.class);
        register(TileEntityAtomicReconstructor.class);
        register(TileEntityMiner.class);
        register(TileEntityFireworkBox.class);
        register(TileEntityPhantomRedstoneface.class);
        register(TileEntityLaserRelayItem.class);
        register(TileEntityLaserRelayEnergy.class);
        register(TileEntityLaserRelayEnergyAdvanced.class);
        register(TileEntityLaserRelayEnergyExtreme.class);
        register(TileEntityLaserRelayItemWhitelist.class);
        register(TileEntityItemViewer.class);
        register(TileEntityDisplayStand.class);
        register(TileEntityShockSuppressor.class);
        register(TileEntityEmpowerer.class);
        register(TileEntityLaserRelayFluids.class);
        register(TileEntityBioReactor.class);
        register(TileEntityFarmer.class);
        register(TileEntityItemViewerHopping.class);
        register(TileEntityBatteryBox.class);
    }

    private static void register(Class<? extends TileEntityBase> tileClass) {
        try {
            //This is hacky and dirty but it works so whatever
            ResourceLocation name = new ResourceLocation(ActuallyAdditions.MODID, tileClass.newInstance().name);
            GameRegistry.registerTileEntity(tileClass, name);
        } catch (Exception e) {
            ActuallyAdditions.LOGGER.fatal("Registering a TileEntity failed!", e);
        }
    }

    @Override
    public final NBTTagCompound writeToNBT(NBTTagCompound compound) {
        this.writeSyncableNBT(compound, NBTType.SAVE_TILE);
        return compound;
    }

    @Override
    public final void readFromNBT(NBTTagCompound compound) {
        this.readSyncableNBT(compound, NBTType.SAVE_TILE);
    }

    @Override
    public final SPacketUpdateTileEntity getUpdatePacket() {
        NBTTagCompound compound = new NBTTagCompound();
        this.writeSyncableNBT(compound, NBTType.SYNC);
        return new SPacketUpdateTileEntity(this.pos, -1, compound);
    }

    @Override
    public final void onDataPacket(NetworkManager net, SPacketUpdateTileEntity pkt) {
        this.readSyncableNBT(pkt.getNbtCompound(), NBTType.SYNC);
    }

    @Override
    public final NBTTagCompound getUpdateTag() {
        NBTTagCompound compound = new NBTTagCompound();
        this.writeSyncableNBT(compound, NBTType.SYNC);
        return compound;
    }

    @Override
    public final void handleUpdateTag(NBTTagCompound compound) {
        this.readSyncableNBT(compound, NBTType.SYNC);
    }

    public final void sendUpdate() {
        if (this.world != null && !this.world.isRemote) VanillaPacketDispatcher.dispatchTEToNearbyPlayers(this);
        /*
        if(this.world != null && !this.world.isRemote){
            NBTTagCompound compound = new NBTTagCompound();
            this.writeSyncableNBT(compound, NBTType.SYNC);

            NBTTagCompound data = new NBTTagCompound();
            data.setTag("Data", compound);
            data.setInteger("X", this.pos.getX());
            data.setInteger("Y", this.pos.getY());
            data.setInteger("Z", this.pos.getZ());
            PacketHandler.theNetwork.sendToAllTracking(new PacketServerToClient(data, PacketHandler.TILE_ENTITY_HANDLER), new TargetPoint(this.world.provider.getDimension(), this.getPos().getX(), this.getPos().getY(), this.getPos().getZ(), 0));
        }*/
    }

    public void writeSyncableNBT(NBTTagCompound compound, NBTType type) {
        if (type != NBTType.SAVE_BLOCK) super.writeToNBT(compound);

        if (type == NBTType.SAVE_TILE) {
            compound.setBoolean("Redstone", this.isRedstonePowered);
            compound.setInteger("TicksElapsed", this.ticksElapsed);
            compound.setBoolean("StopDrop", this.stopFromDropping);
        } else if (type == NBTType.SYNC && this.stopFromDropping) compound.setBoolean("StopDrop", this.stopFromDropping);

        if (this.isRedstoneToggle() && (type != NBTType.SAVE_BLOCK || this.isPulseMode)) {
            compound.setBoolean("IsPulseMode", this.isPulseMode);
        }
    }

    public void readSyncableNBT(NBTTagCompound compound, NBTType type) {
        if (type != NBTType.SAVE_BLOCK) super.readFromNBT(compound);

        if (type == NBTType.SAVE_TILE) {
            this.isRedstonePowered = compound.getBoolean("Redstone");
            this.ticksElapsed = compound.getInteger("TicksElapsed");
            this.stopFromDropping = compound.getBoolean("StopDrop");
        } else if (type == NBTType.SYNC) this.stopFromDropping = compound.getBoolean("StopDrop");

        if (this.isRedstoneToggle()) {
            this.isPulseMode = compound.getBoolean("IsPulseMode");
        }
    }

    @Override
    public boolean shouldRefresh(World world, BlockPos pos, IBlockState oldState, IBlockState newState) {
        return !oldState.getBlock().isAssociatedBlock(newState.getBlock());
    }

    public String getNameForTranslation() {
        return "container." + ActuallyAdditions.MODID + "." + this.name + ".name";
    }

    @Override
    public ITextComponent getDisplayName() {
        return new TextComponentTranslation(this.getNameForTranslation());
    }

    @Override
    public final void update() {
        this.updateEntity();
    }

    public int getComparatorStrength() {
        return 0;
    }

    private boolean shareEnergy = this instanceof ISharingEnergyProvider;
    private boolean shareFluid = this instanceof ISharingFluidHandler;

    public void updateEntity() {
        this.ticksElapsed++;

        if (!this.world.isRemote) {
            if (this.shareEnergy) {
                ISharingEnergyProvider provider = (ISharingEnergyProvider) this;
                if (provider.doesShareEnergy()) {
                    int total = provider.getEnergyToSplitShare();
                    if (total > 0) {
                        EnumFacing[] sides = provider.getEnergyShareSides();

                        int amount = total / sides.length;
                        if (amount <= 0) {
                            amount = total;
                        }

                        for (EnumFacing side : sides) {
                            TileEntity tile = this.tilesAround[side.ordinal()];
                            if (tile != null && provider.canShareTo(tile)) {
                                WorldUtil.doEnergyInteraction(this, tile, side, amount);
                            }
                        }
                    }
                }
            }

            if (this.shareFluid) {
                ISharingFluidHandler handler = (ISharingFluidHandler) this;
                if (handler.doesShareFluid()) {
                    int total = handler.getMaxFluidAmountToSplitShare();
                    if (total > 0) {
                        EnumFacing[] sides = handler.getFluidShareSides();

                        int amount = total / sides.length;
                        if (amount <= 0) {
                            amount = total;
                        }

                        for (EnumFacing side : sides) {
                            TileEntity tile = this.tilesAround[side.ordinal()];
                            if (tile != null) {
                                WorldUtil.doFluidInteraction(this, tile, side, amount);
                            }
                        }
                    }
                }
            }

            if (!this.hasSavedDataOnChangeOrWorldStart) {
                if (this.shouldSaveDataOnChangeOrWorldStart()) {
                    this.saveDataOnChangeOrWorldStart();
                }

                this.hasSavedDataOnChangeOrWorldStart = true;
            }
        }
    }

    public void saveDataOnChangeOrWorldStart() {
        for (EnumFacing side : EnumFacing.values()) {
            BlockPos pos = this.pos.offset(side);
            if (this.world.isBlockLoaded(pos)) {
                this.tilesAround[side.ordinal()] = this.world.getTileEntity(pos);
            }
        }
    }

    public boolean shouldSaveDataOnChangeOrWorldStart() {
        return this instanceof ISharingEnergyProvider || this instanceof ISharingFluidHandler;
    }

    public void setRedstonePowered(boolean powered) {
        this.isRedstonePowered = powered;
        this.markDirty();
    }

    public boolean canPlayerUse(EntityPlayer player) {
        return player.getDistanceSq(this.getPos().getX() + 0.5D, this.pos.getY() + 0.5D, this.pos.getZ() + 0.5D) <= 64 && !this.isInvalid() && this.world.getTileEntity(this.pos) == this;
    }

    protected boolean sendUpdateWithInterval() {
        if (this.ticksElapsed % ConfigIntValues.TILE_ENTITY_UPDATE_INTERVAL.getValue() == 0) {
            this.sendUpdate();
            return true;
        } else {
            return false;
        }
    }

    @Override
    public boolean hasCapability(Capability<?> capability, EnumFacing facing) {
        return this.getCapability(capability, facing) != null;
    }

    @SuppressWarnings("unchecked")
    @Override
    public <T> T getCapability(Capability<T> capability, EnumFacing facing) {
        if (capability == CapabilityItemHandler.ITEM_HANDLER_CAPABILITY) {
            IItemHandler handler = this.getItemHandler(facing);
            if (handler != null) { return (T) handler; }
        } else if (capability == CapabilityFluidHandler.FLUID_HANDLER_CAPABILITY) {
            IFluidHandler tank = this.getFluidHandler(facing);
            if (tank != null) { return (T) tank; }
        } else if (capability == CapabilityEnergy.ENERGY) {
            IEnergyStorage storage = this.getEnergyStorage(facing);
            if (storage != null) { return (T) storage; }
        }
        return super.getCapability(capability, facing);
    }

    public IFluidHandler getFluidHandler(EnumFacing facing) {
        return null;
    }

    public IEnergyStorage getEnergyStorage(EnumFacing facing) {
        return null;
    }

    public IItemHandler getItemHandler(EnumFacing facing) {
        return null;
    }

    public boolean isRedstoneToggle() {
        return false;
    }

    public void activateOnPulse() {

    }

    public boolean respondsToPulses() {
        return this.isRedstoneToggle() && this.isPulseMode;
    }

    public enum NBTType {
        /**
         * Use when normal writeToNBT/readToNBT is expected.
         */
        SAVE_TILE,
        /**
         * Use when data needs to be sent to the client.
         */
        SYNC,
        /**
         * Wat
         */
        SAVE_BLOCK
    }
}