Files
oc2r/src/main/java/li/cil/oc2/common/blockentity/DiskDriveBlockEntity.java

286 lines
9.7 KiB
Java

package li.cil.oc2.common.blockentity;
import li.cil.oc2.api.bus.device.vm.VMDevice;
import li.cil.oc2.common.Config;
import li.cil.oc2.common.Constants;
import li.cil.oc2.common.block.DiskDriveBlock;
import li.cil.oc2.common.bus.device.item.AbstractBlockDeviceVMDevice;
import li.cil.oc2.common.capabilities.Capabilities;
import li.cil.oc2.common.container.TypedItemStackHandler;
import li.cil.oc2.common.item.FloppyItem;
import li.cil.oc2.common.network.Network;
import li.cil.oc2.common.network.message.DiskDriveFloppyMessage;
import li.cil.oc2.common.serialization.BlobStorage;
import li.cil.oc2.common.tags.ItemTags;
import li.cil.oc2.common.util.ItemStackUtils;
import li.cil.oc2.common.util.LocationSupplierUtils;
import li.cil.oc2.common.util.SoundEvents;
import li.cil.oc2.common.util.ThrottledSoundEmitter;
import li.cil.sedna.api.device.BlockDevice;
import li.cil.sedna.device.block.ByteBufferBlockDevice;
import net.minecraft.core.BlockPos;
import net.minecraft.core.Direction;
import net.minecraft.nbt.CompoundTag;
import net.minecraft.util.Mth;
import net.minecraft.world.entity.player.Player;
import net.minecraft.world.item.ItemStack;
import net.minecraft.world.level.block.entity.BlockEntity;
import net.minecraft.world.level.block.state.BlockState;
import net.minecraftforge.api.distmarker.Dist;
import net.minecraftforge.api.distmarker.OnlyIn;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import java.io.IOException;
import java.nio.MappedByteBuffer;
import java.nio.channels.FileChannel;
import java.time.Duration;
public final class DiskDriveBlockEntity extends ModBlockEntity {
private static final Logger LOGGER = LogManager.getLogger();
private static final String DATA_TAG_NAME = "data";
private static final ByteBufferBlockDevice EMPTY_BLOCK_DEVICE = ByteBufferBlockDevice.create(0, false);
///////////////////////////////////////////////////////////////////
private final DiskDriveItemStackHandler itemHandler = new DiskDriveItemStackHandler();
private final DiskDriveVMDevice device = new DiskDriveVMDevice();
private final ThrottledSoundEmitter accessSoundEmitter;
private final ThrottledSoundEmitter insertSoundEmitter;
private final ThrottledSoundEmitter ejectSoundEmitter;
///////////////////////////////////////////////////////////////////
public DiskDriveBlockEntity(final BlockPos pos, final BlockState state) {
super(BlockEntities.DISK_DRIVE.get(), pos, state);
this.accessSoundEmitter = new ThrottledSoundEmitter(LocationSupplierUtils.of(this),
SoundEvents.FLOPPY_ACCESS.get()).withMinInterval(Duration.ofSeconds(1));
this.insertSoundEmitter = new ThrottledSoundEmitter(LocationSupplierUtils.of(this),
SoundEvents.FLOPPY_INSERT.get()).withMinInterval(Duration.ofMillis(100));
this.ejectSoundEmitter = new ThrottledSoundEmitter(LocationSupplierUtils.of(this),
SoundEvents.FLOPPY_EJECT.get()).withMinInterval(Duration.ofMillis(100));
}
///////////////////////////////////////////////////////////////////
public VMDevice getDevice() {
return device;
}
public boolean canInsert(final ItemStack stack) {
return !stack.isEmpty() && ItemTags.DEVICES_FLOPPY.contains(stack.getItem());
}
public ItemStack insert(final ItemStack stack, @Nullable final Player player) {
if (stack.isEmpty() || !ItemTags.DEVICES_FLOPPY.contains(stack.getItem())) {
return stack;
}
eject(player);
insertSoundEmitter.play();
return itemHandler.insertItem(0, stack, false);
}
public boolean canEject() {
return !itemHandler.extractItem(0, 1, true).isEmpty();
}
public void eject(@Nullable final Player player) {
if (level == null) {
return;
}
final ItemStack stack = itemHandler.extractItem(0, 1, false);
if (!stack.isEmpty()) {
final Direction facing = getBlockState().getValue(DiskDriveBlock.FACING);
ejectSoundEmitter.play();
ItemStackUtils.spawnAsEntity(level, getBlockPos().relative(facing), stack, facing).ifPresent(entity -> {
if (player != null) {
entity.setNoPickUpDelay();
entity.setOwner(player.getUUID());
}
});
}
}
public ItemStack getFloppy() {
return itemHandler.getStackInSlot(0);
}
@OnlyIn(Dist.CLIENT)
public void setFloppyClient(final ItemStack stack) {
itemHandler.setStackInSlot(0, stack);
}
@Override
protected void collectCapabilities(final CapabilityCollector collector, @Nullable final Direction direction) {
collector.offer(Capabilities.ITEM_HANDLER, itemHandler);
}
@Override
public CompoundTag getUpdateTag() {
final CompoundTag tag = super.getUpdateTag();
tag.put(Constants.ITEMS_TAG_NAME, itemHandler.serializeNBT());
return tag;
}
@Override
public void handleUpdateTag(final CompoundTag tag) {
super.handleUpdateTag(tag);
itemHandler.deserializeNBT(tag.getCompound(Constants.ITEMS_TAG_NAME));
}
@Override
protected void saveAdditional(final CompoundTag tag) {
super.saveAdditional(tag);
tag.put(Constants.ITEMS_TAG_NAME, itemHandler.serializeNBT());
}
@Override
public void load(final CompoundTag tag) {
super.load(tag);
itemHandler.deserializeNBT(tag.getCompound(Constants.ITEMS_TAG_NAME));
}
///////////////////////////////////////////////////////////////////
private final class DiskDriveItemStackHandler extends TypedItemStackHandler {
public DiskDriveItemStackHandler() {
super(1, ItemTags.DEVICES_FLOPPY);
}
public ItemStack getStackInSlotRaw(final int slot) {
return super.getStackInSlot(slot);
}
@Override
@Nonnull
public ItemStack getStackInSlot(final int slot) {
final ItemStack stack = getStackInSlotRaw(slot);
exportDeviceDataToItemStack(stack);
return stack;
}
@Override
@Nonnull
public ItemStack extractItem(final int slot, final int amount, final boolean simulate) {
if (slot == 0 && !simulate && amount > 0) {
exportDeviceDataToItemStack(getStackInSlotRaw(0));
}
return super.extractItem(slot, amount, simulate);
}
@Override
public int getSlotLimit(final int slot) {
return 1;
}
@Override
protected void onContentsChanged(final int slot) {
super.onContentsChanged(slot);
if (level == null || level.isClientSide()) {
return;
}
final ItemStack stack = getStackInSlotRaw(slot);
if (stack.isEmpty()) {
device.removeBlockDevice();
} else {
final CompoundTag tag = ItemStackUtils.getOrCreateModDataTag(stack).getCompound(DATA_TAG_NAME);
device.updateBlockDevice(tag);
}
Network.sendToClientsTrackingBlockEntity(new DiskDriveFloppyMessage(DiskDriveBlockEntity.this), DiskDriveBlockEntity.this);
}
private void exportDeviceDataToItemStack(final ItemStack stack) {
if (stack.isEmpty()) {
return;
}
if (level == null || level.isClientSide()) {
return;
}
final CompoundTag tag = new CompoundTag();
device.exportToItemStack(tag);
ItemStackUtils.getOrCreateModDataTag(stack).put(DATA_TAG_NAME, tag);
}
}
private final class DiskDriveVMDevice extends AbstractBlockDeviceVMDevice<BlockDevice, BlockEntity> {
public DiskDriveVMDevice() {
super(DiskDriveBlockEntity.this);
}
public void updateBlockDevice(final CompoundTag tag) {
if (device == null) {
return;
}
if (blobHandle != null) {
BlobStorage.close(blobHandle);
blobHandle = null;
}
importFromItemStack(tag);
try {
device.setBlock(createBlockDevice());
} catch (final IOException e) {
LOGGER.error(e);
}
}
public void removeBlockDevice() {
if (device == null) {
return;
}
if (blobHandle != null) {
BlobStorage.close(blobHandle);
blobHandle = null;
}
try {
device.setBlock(EMPTY_BLOCK_DEVICE);
} catch (final IOException e) {
LOGGER.error(e);
}
}
@Override
protected BlockDevice createBlockDevice() throws IOException {
final ItemStack stack = itemHandler.getStackInSlotRaw(0);
if (stack.isEmpty() || !(stack.getItem() instanceof final FloppyItem floppy)) {
return EMPTY_BLOCK_DEVICE;
}
final int capacity = Mth.clamp(floppy.getCapacity(stack), 0, Config.maxFloppySize);
if (capacity <= 0) {
return EMPTY_BLOCK_DEVICE;
}
blobHandle = BlobStorage.validateHandle(blobHandle);
final FileChannel channel = BlobStorage.getOrOpen(blobHandle);
final MappedByteBuffer buffer = channel.map(FileChannel.MapMode.READ_WRITE, 0, capacity);
return ByteBufferBlockDevice.wrap(buffer, false);
}
@Override
protected void handleDataAccess() {
accessSoundEmitter.play();
}
}
}