tutorial:persistent_states
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tutorial:persistent_states [2025/03/12 17:18] – added bac comments lakazatong | tutorial:persistent_states [2025/03/13 14:52] (current) – world.getServer() only once, harmonized MOD_ID lakazatong | ||
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<code java> | <code java> | ||
import net.minecraft.nbt.NbtCompound; | import net.minecraft.nbt.NbtCompound; | ||
+ | import net.minecraft.registry.RegistryWrapper; | ||
import net.minecraft.server.MinecraftServer; | import net.minecraft.server.MinecraftServer; | ||
+ | import net.minecraft.server.world.ServerWorld; | ||
import net.minecraft.world.PersistentState; | import net.minecraft.world.PersistentState; | ||
- | import net.minecraft.world.PersistentStateManager; | ||
import net.minecraft.world.World; | import net.minecraft.world.World; | ||
Line 129: | Line 130: | ||
@Override | @Override | ||
- | public NbtCompound writeNbt(NbtCompound nbt) { | + | public NbtCompound writeNbt(NbtCompound nbt, RegistryWrapper.WrapperLookup registries) { |
nbt.putInt(" | nbt.putInt(" | ||
return nbt; | return nbt; | ||
Line 152: | Line 153: | ||
return state; | return state; | ||
} | } | ||
- | | + | |
public static StateSaverAndLoader createNew() { | public static StateSaverAndLoader createNew() { | ||
StateSaverAndLoader state = new StateSaverAndLoader(); | StateSaverAndLoader state = new StateSaverAndLoader(); | ||
Line 174: | Line 175: | ||
// ... (Previously written code) | // ... (Previously written code) | ||
- | private static Type< | + | private static |
StateSaverAndLoader:: | StateSaverAndLoader:: | ||
StateSaverAndLoader:: | StateSaverAndLoader:: | ||
Line 182: | Line 183: | ||
public static StateSaverAndLoader getServerState(MinecraftServer server) { | public static StateSaverAndLoader getServerState(MinecraftServer server) { | ||
// (Note: arbitrary choice to use ' | // (Note: arbitrary choice to use ' | ||
- | | + | |
+ | assert serverWorld != null; | ||
// The first time the following ' | // The first time the following ' | ||
// stores it inside the ' | // stores it inside the ' | ||
// ' | // ' | ||
- | StateSaverAndLoader state = persistentStateManager.getOrCreate(type, | + | StateSaverAndLoader state = serverWorld.getPersistentStateManager().getOrCreate(type, |
// If state is not marked dirty, when Minecraft closes, ' | // If state is not marked dirty, when Minecraft closes, ' | ||
Line 205: | Line 207: | ||
<code java> | <code java> | ||
import net.minecraft.nbt.NbtCompound; | import net.minecraft.nbt.NbtCompound; | ||
+ | import net.minecraft.registry.RegistryWrapper; | ||
import net.minecraft.server.MinecraftServer; | import net.minecraft.server.MinecraftServer; | ||
+ | import net.minecraft.server.world.ServerWorld; | ||
import net.minecraft.world.PersistentState; | import net.minecraft.world.PersistentState; | ||
- | import net.minecraft.world.PersistentStateManager; | ||
import net.minecraft.world.World; | import net.minecraft.world.World; | ||
Line 215: | Line 218: | ||
@Override | @Override | ||
- | public NbtCompound writeNbt(NbtCompound nbt) { | + | public NbtCompound writeNbt(NbtCompound nbt, RegistryWrapper.WrapperLookup registries) { |
nbt.putInt(" | nbt.putInt(" | ||
return nbt; | return nbt; | ||
Line 225: | Line 228: | ||
return state; | return state; | ||
} | } | ||
- | | + | |
public static StateSaverAndLoader createNew() { | public static StateSaverAndLoader createNew() { | ||
StateSaverAndLoader state = new StateSaverAndLoader(); | StateSaverAndLoader state = new StateSaverAndLoader(); | ||
Line 232: | Line 235: | ||
} | } | ||
- | private static Type< | + | private static |
StateSaverAndLoader:: | StateSaverAndLoader:: | ||
StateSaverAndLoader:: | StateSaverAndLoader:: | ||
Line 240: | Line 243: | ||
public static StateSaverAndLoader getServerState(MinecraftServer server) { | public static StateSaverAndLoader getServerState(MinecraftServer server) { | ||
// (Note: arbitrary choice to use ' | // (Note: arbitrary choice to use ' | ||
- | | + | |
+ | assert serverWorld != null; | ||
// The first time the following ' | // The first time the following ' | ||
// stores it inside the ' | // stores it inside the ' | ||
// ' | // ' | ||
- | StateSaverAndLoader state = persistentStateManager.getOrCreate(type, | + | StateSaverAndLoader state = serverWorld.getPersistentStateManager().getOrCreate(type, |
// If state is not marked dirty, when Minecraft closes, ' | // If state is not marked dirty, when Minecraft closes, ' | ||
Line 264: | Line 268: | ||
import net.fabricmc.api.ModInitializer; | import net.fabricmc.api.ModInitializer; | ||
import net.fabricmc.fabric.api.event.player.PlayerBlockBreakEvents; | import net.fabricmc.fabric.api.event.player.PlayerBlockBreakEvents; | ||
- | import net.fabricmc.fabric.api.networking.v1.PacketByteBufs; | + | import net.fabricmc.fabric.api.networking.v1.PayloadTypeRegistry; |
- | import net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents; | + | |
import net.fabricmc.fabric.api.networking.v1.ServerPlayNetworking; | import net.fabricmc.fabric.api.networking.v1.ServerPlayNetworking; | ||
import net.minecraft.block.Blocks; | import net.minecraft.block.Blocks; | ||
- | import net.minecraft.network.PacketByteBuf; | ||
import net.minecraft.server.MinecraftServer; | import net.minecraft.server.MinecraftServer; | ||
import net.minecraft.server.network.ServerPlayerEntity; | import net.minecraft.server.network.ServerPlayerEntity; | ||
- | import net.minecraft.util.Identifier; | ||
public class ExampleMod implements ModInitializer { | public class ExampleMod implements ModInitializer { | ||
- | public static final String MOD_ID = "your_unique_mod_id_change_me_please"; | + | public static final String MOD_ID = "examplemod"; |
- | public | + | public |
+ | PayloadTypeRegistry.playS2C().register(DirtBrokenPayload.ID, DirtBrokenPayload.CODEC); | ||
- | @Override | ||
- | public void onInitialize() { | ||
PlayerBlockBreakEvents.AFTER.register((world, | PlayerBlockBreakEvents.AFTER.register((world, | ||
if (state.getBlock() == Blocks.GRASS_BLOCK || state.getBlock() == Blocks.DIRT) { | if (state.getBlock() == Blocks.GRASS_BLOCK || state.getBlock() == Blocks.DIRT) { | ||
- | StateSaverAndLoader serverState = StateSaverAndLoader.getServerState(world.getServer()); | ||
- | // Increment the amount of dirt blocks that have been broken | ||
- | serverState.totalDirtBlocksBroken += 1; | ||
- | |||
// Send a packet to the client | // Send a packet to the client | ||
MinecraftServer server = world.getServer(); | MinecraftServer server = world.getServer(); | ||
+ | assert server != null; | ||
- | | + | |
- | | + | StateSaverAndLoader serverState |
+ | serverState.totalDirtBlocksBroken | ||
ServerPlayerEntity playerEntity = server.getPlayerManager().getPlayer(player.getUuid()); | ServerPlayerEntity playerEntity = server.getPlayerManager().getPlayer(player.getUuid()); | ||
server.execute(() -> { | server.execute(() -> { | ||
- | ServerPlayNetworking.send(playerEntity, | + | |
+ | | ||
}); | }); | ||
} | } | ||
Line 379: | Line 378: | ||
public class ExampleMod implements ModInitializer { | public class ExampleMod implements ModInitializer { | ||
- | public static final String MOD_ID = "your_unique_mod_id_change_me_please"; | + | public static final String MOD_ID = "examplemod"; |
public static final Identifier DIRT_BROKEN = new Identifier(MOD_ID, | public static final Identifier DIRT_BROKEN = new Identifier(MOD_ID, | ||
Line 387: | Line 386: | ||
PlayerBlockBreakEvents.AFTER.register((world, | PlayerBlockBreakEvents.AFTER.register((world, | ||
if (state.getBlock() == Blocks.GRASS_BLOCK || state.getBlock() == Blocks.DIRT) { | if (state.getBlock() == Blocks.GRASS_BLOCK || state.getBlock() == Blocks.DIRT) { | ||
- | StateSaverAndLoader serverState = StateSaverAndLoader.getServerState(world.getServer()); | + | |
+ | MinecraftServer server = world.getServer(); | ||
+ | assert server != null; | ||
+ | |||
+ | | ||
// Increment the amount of dirt blocks that have been broken | // Increment the amount of dirt blocks that have been broken | ||
serverState.totalDirtBlocksBroken += 1; | serverState.totalDirtBlocksBroken += 1; | ||
Line 393: | Line 396: | ||
PlayerData playerState = StateSaverAndLoader.getPlayerState(player); | PlayerData playerState = StateSaverAndLoader.getPlayerState(player); | ||
playerState.dirtBlocksBroken += 1; | playerState.dirtBlocksBroken += 1; | ||
- | |||
- | // Send a packet to the client | ||
- | MinecraftServer server = world.getServer(); | ||
PacketByteBuf data = PacketByteBufs.create(); | PacketByteBuf data = PacketByteBufs.create(); | ||
Line 614: | Line 614: | ||
public class ExampleMod implements ModInitializer { | public class ExampleMod implements ModInitializer { | ||
- | public static final String MOD_ID = "your_unique_mod_id_change_me_please"; | + | public static final String MOD_ID = "examplemod"; |
public static final Identifier DIRT_BROKEN = new Identifier(MOD_ID, | public static final Identifier DIRT_BROKEN = new Identifier(MOD_ID, | ||
Line 633: | Line 633: | ||
PlayerBlockBreakEvents.AFTER.register((world, | PlayerBlockBreakEvents.AFTER.register((world, | ||
if (state.getBlock() == Blocks.GRASS_BLOCK || state.getBlock() == Blocks.DIRT) { | if (state.getBlock() == Blocks.GRASS_BLOCK || state.getBlock() == Blocks.DIRT) { | ||
- | StateSaverAndLoader serverState = StateSaverAndLoader.getServerState(world.getServer()); | + | |
+ | MinecraftServer server = world.getServer(); | ||
+ | assert server != null; | ||
+ | |||
+ | | ||
// Increment the amount of dirt blocks that have been broken | // Increment the amount of dirt blocks that have been broken | ||
serverState.totalDirtBlocksBroken += 1; | serverState.totalDirtBlocksBroken += 1; | ||
Line 639: | Line 643: | ||
PlayerData playerState = StateSaverAndLoader.getPlayerState(player); | PlayerData playerState = StateSaverAndLoader.getPlayerState(player); | ||
playerState.dirtBlocksBroken += 1; | playerState.dirtBlocksBroken += 1; | ||
- | |||
- | // Send a packet to the client | ||
- | MinecraftServer server = world.getServer(); | ||
PacketByteBuf data = PacketByteBufs.create(); | PacketByteBuf data = PacketByteBufs.create(); | ||
Line 881: | Line 882: | ||
public class ExampleMod implements ModInitializer { | public class ExampleMod implements ModInitializer { | ||
- | public static final String MOD_ID = "your_unique_mod_id_change_me_please"; | + | public static final String MOD_ID = "examplemod"; |
public static final Identifier DIRT_BROKEN = new Identifier(MOD_ID, | public static final Identifier DIRT_BROKEN = new Identifier(MOD_ID, | ||
Line 900: | Line 901: | ||
PlayerBlockBreakEvents.AFTER.register((world, | PlayerBlockBreakEvents.AFTER.register((world, | ||
if (state.getBlock() == Blocks.GRASS_BLOCK || state.getBlock() == Blocks.DIRT) { | if (state.getBlock() == Blocks.GRASS_BLOCK || state.getBlock() == Blocks.DIRT) { | ||
- | StateSaverAndLoader serverState = StateSaverAndLoader.getServerState(world.getServer()); | + | |
+ | MinecraftServer server = world.getServer(); | ||
+ | assert server != null; | ||
+ | |||
+ | | ||
// Increment the amount of dirt blocks that have been broken | // Increment the amount of dirt blocks that have been broken | ||
serverState.totalDirtBlocksBroken += 1; | serverState.totalDirtBlocksBroken += 1; | ||
Line 906: | Line 911: | ||
PlayerData playerState = StateSaverAndLoader.getPlayerState(player); | PlayerData playerState = StateSaverAndLoader.getPlayerState(player); | ||
playerState.dirtBlocksBroken += 1; | playerState.dirtBlocksBroken += 1; | ||
- | |||
- | // Send a packet to the client | ||
- | MinecraftServer server = world.getServer(); | ||
PacketByteBuf data = PacketByteBufs.create(); | PacketByteBuf data = PacketByteBufs.create(); |
tutorial/persistent_states.1741799907.txt.gz · Last modified: 2025/03/12 17:18 by lakazatong