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Datapack Support
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‎README.md‎

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@@ -31,6 +31,40 @@ You can also override per dimension:
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Per-dimension values take priority when set; use 0 to fall back to the global border.
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### Datapack Structures Import
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Import a datapack URL so its custom structures appear on the SeedMap. Datapack structures render as solid colored squares (one color per structure) and show up in the datapack toggle list so you can enable/disable them like vanilla features. You can also right‑click a datapack structure and mark it complete/incomplete (a green tick is drawn on the icon).
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Datapack structures load differently to vanilla: vanilla features are built-in, while datapack structures are parsed from the provided pack and then cached. They load in the background and appear progressively as tiles are processed.
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Version mismatch handling: if the server version doesn't match the client, SeedMapper avoids loading registries that frequently fail across versions (notably enchantments and enchantment providers). This lets the worldgen data load even when other datapack content is incompatible.
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Caching scope: datapack structures are cached for the current game session. Switching dimensions or servers keeps the cached structures available, but restarting the game will reload them.
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Import a datapack:
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- ```/sm:datapack import <url>```
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Save the last imported URL for the current server (by IP):
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- ```/sm:datapack save```
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Load the saved URL for the current server:
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- ```/sm:datapack load```
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Read the current datapack URL (last imported or saved for this server):
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- ```/sm:datapack read```
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Change the datapack structure color scheme (applies immediately):
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- ```/sm:datapack colorscheme 1``` - current scheme
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- ```/sm:datapack colorscheme 2``` - secondary scheme
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- ```/sm:datapack colorscheme 3``` - third scheme
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Enable or disable auto-loading on join:
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- ```/sm:datapack autoload true```
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- ```/sm:datapack autoload false```
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Autoload uses the saved URL for the server you are joining. Save is keyed by the server address, so each server can keep its own datapack URL.
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![Datapack](https://i.imgur.com/8coATaJ.png)
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### Double Click Recenter
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Double clicking anywhere on the map will recenter the map to the players location.
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‎src/main/java/dev/xpple/seedmapper/SeedMapper.java‎

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@@ -19,6 +19,7 @@
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import dev.xpple.seedmapper.command.commands.SeedMapCommand;
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import dev.xpple.seedmapper.command.commands.SourceCommand;
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import dev.xpple.seedmapper.command.commands.StopTaskCommand;
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import dev.xpple.seedmapper.command.commands.DatapackImportCommand;
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import dev.xpple.seedmapper.config.Configs;
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import dev.xpple.seedmapper.config.DurationAdapter;
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import dev.xpple.seedmapper.config.MapFeatureAdapter;
@@ -114,6 +115,7 @@ private static void registerCommands(CommandDispatcher<FabricClientCommandSource
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DiscordCommand.register(dispatcher);
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SampleCommand.register(dispatcher);
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ExportLootCommand.register(dispatcher);
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DatapackImportCommand.register(dispatcher);
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// ESP config command
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dev.xpple.seedmapper.command.commands.EspConfigCommand.register(dispatcher);
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}

‎src/main/java/dev/xpple/seedmapper/command/commands/DatapackImportCommand.java‎

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@@ -0,0 +1,191 @@
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package dev.xpple.seedmapper.command.commands;
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import com.github.cubiomes.Cubiomes;
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import com.mojang.brigadier.Command;
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import com.mojang.brigadier.StringReader;
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import com.mojang.brigadier.arguments.BoolArgumentType;
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import com.mojang.brigadier.arguments.IntegerArgumentType;
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import com.mojang.brigadier.arguments.StringArgumentType;
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import com.mojang.brigadier.context.CommandContext;
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import com.mojang.brigadier.exceptions.CommandSyntaxException;
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import dev.xpple.seedmapper.command.CustomClientCommandSource;
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import dev.xpple.seedmapper.config.Configs;
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import dev.xpple.seedmapper.datapack.DatapackStructureManager;
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import dev.xpple.seedmapper.util.SeedIdentifier;
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import dev.xpple.seedmapper.util.WorldIdentifier;
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import dev.xpple.seedmapper.command.arguments.DimensionArgument;
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import dev.xpple.seedmapper.seedmap.SeedMapScreen;
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import dev.xpple.seedmapper.seedmap.SeedMapMinimapManager;
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import net.fabricmc.fabric.api.client.command.v2.FabricClientCommandSource;
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import net.minecraft.client.Minecraft;
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import net.minecraft.network.chat.Component;
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import net.minecraft.server.permissions.PermissionSet;
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import static net.fabricmc.fabric.api.client.command.v2.ClientCommandManager.argument;
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import static net.fabricmc.fabric.api.client.command.v2.ClientCommandManager.literal;
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public class DatapackImportCommand {
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private static final String COMMAND = "sm:datapack";
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public static void register(com.mojang.brigadier.CommandDispatcher<FabricClientCommandSource> dispatcher) {
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dispatcher.register(literal(COMMAND)
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.then(literal("import")
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.then(argument("url", StringArgumentType.greedyString())
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.executes(DatapackImportCommand::execute)))
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.then(literal("autoload")
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.then(argument("enabled", BoolArgumentType.bool())
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.executes(DatapackImportCommand::toggleAutoload)))
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.then(literal("save")
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.executes(DatapackImportCommand::save))
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.then(literal("load")
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.executes(DatapackImportCommand::load))
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.then(literal("read")
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.executes(DatapackImportCommand::read))
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.then(literal("colorscheme")
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.then(argument("scheme", IntegerArgumentType.integer(1, 3))
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.executes(DatapackImportCommand::setColorScheme))));
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}
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@SuppressWarnings("unused")
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private static int execute(CommandContext<FabricClientCommandSource> context) {
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CustomClientCommandSource source = CustomClientCommandSource.of(context.getSource());
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String url = StringArgumentType.getString(context, "url").trim();
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return importUrl(source, url);
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}
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private static int toggleAutoload(CommandContext<FabricClientCommandSource> context) {
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CustomClientCommandSource source = CustomClientCommandSource.of(context.getSource());
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boolean enabled = BoolArgumentType.getBool(context, "enabled");
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Configs.DatapackAutoload = enabled;
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Configs.save();
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source.sendFeedback(Component.translatable("seedMap.datapackImport.autoloadSet", enabled));
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return Command.SINGLE_SUCCESS;
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}
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private static int save(CommandContext<FabricClientCommandSource> context) {
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CustomClientCommandSource source = CustomClientCommandSource.of(context.getSource());
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String url = DatapackStructureManager.getLastImportedUrl();
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if (url == null || url.isBlank()) {
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source.sendError(Component.translatable("seedMap.datapackImport.save.noImported"));
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return Command.SINGLE_SUCCESS;
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}
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java.nio.file.Path cachePath = DatapackStructureManager.getLastImportedCachePath();
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if (!Configs.saveDatapackForCurrentServer(url, cachePath)) {
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source.sendError(Component.translatable("seedMap.datapackImport.save.noServer"));
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return Command.SINGLE_SUCCESS;
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}
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source.sendFeedback(Component.translatable("seedMap.datapackImport.save.success"));
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return Command.SINGLE_SUCCESS;
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}
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private static int load(CommandContext<FabricClientCommandSource> context) {
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CustomClientCommandSource source = CustomClientCommandSource.of(context.getSource());
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String url = Configs.getSavedDatapackUrlForCurrentServer();
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java.nio.file.Path cachePath = Configs.getSavedDatapackCachePathForCurrentServer();
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if ((url == null || url.isBlank()) && cachePath == null) {
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source.sendError(Component.translatable("seedMap.datapackImport.load.none"));
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return Command.SINGLE_SUCCESS;
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}
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return importSavedWithFallback(source, url, cachePath);
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}
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private static int read(CommandContext<FabricClientCommandSource> context) {
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CustomClientCommandSource source = CustomClientCommandSource.of(context.getSource());
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String url = DatapackStructureManager.getLastImportedUrl();
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if (url == null || url.isBlank()) {
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url = Configs.getSavedDatapackUrlForCurrentServer();
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}
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if (url == null || url.isBlank()) {
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source.sendError(Component.translatable("seedMap.datapackImport.read.none"));
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return Command.SINGLE_SUCCESS;
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}
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source.sendFeedback(Component.translatable("seedMap.datapackImport.read.current", url));
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return Command.SINGLE_SUCCESS;
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}
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private static int setColorScheme(CommandContext<FabricClientCommandSource> context) {
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CustomClientCommandSource source = CustomClientCommandSource.of(context.getSource());
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int scheme = IntegerArgumentType.getInteger(context, "scheme");
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Configs.DatapackColorScheme = scheme;
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Configs.save();
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DatapackStructureManager.clearColorSchemeCache();
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source.sendFeedback(Component.translatable("seedMap.datapackImport.colorschemeSet", scheme));
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try {
114+
int generatorFlags = source.getGeneratorFlags();
115+
SeedMapScreen.reopenIfOpen(generatorFlags);
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SeedMapMinimapManager.refreshIfOpenWithGeneratorFlags(generatorFlags);
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} catch (CommandSyntaxException ignored) {
118+
SeedMapScreen.reopenIfOpen(0);
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SeedMapMinimapManager.refreshIfOpenWithGeneratorFlags(0);
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}
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return Command.SINGLE_SUCCESS;
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}
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public static int importUrl(CustomClientCommandSource source, String url) {
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if (url.isBlank()) {
126+
source.sendError(Component.translatable("seedMap.datapackImport.status.invalidUrl"));
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return Command.SINGLE_SUCCESS;
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}
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130+
SeedIdentifier seed = Configs.Seed;
131+
if (seed == null) {
132+
source.sendError(Component.translatable("seedMap.datapackImport.noSeed"));
133+
return Command.SINGLE_SUCCESS;
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}
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136+
int dimension;
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try {
138+
String dimensionPath = source.getWorld().dimension().identifier().getPath();
139+
dimension = DimensionArgument.dimension().parse(new StringReader(dimensionPath));
140+
} catch (CommandSyntaxException e) {
141+
source.sendError(Component.translatable("seedMap.datapackImport.dimensionError"));
142+
return Command.SINGLE_SUCCESS;
143+
}
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WorldIdentifier identifier = new WorldIdentifier(seed.seed(), dimension, seed.version(), seed.generatorFlags());
146+
source.sendFeedback(Component.translatable("seedMap.datapackImport.started"));
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DatapackStructureManager.importDatapack(identifier, url, source::sendFeedback, source::sendError);
148+
return Command.SINGLE_SUCCESS;
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}
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private static int importSavedWithFallback(CustomClientCommandSource source, String url, java.nio.file.Path cachePath) {
152+
SeedIdentifier seed = Configs.Seed;
153+
if (seed == null) {
154+
source.sendError(Component.translatable("seedMap.datapackImport.noSeed"));
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return Command.SINGLE_SUCCESS;
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}
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158+
int dimension;
159+
try {
160+
String dimensionPath = source.getWorld().dimension().identifier().getPath();
161+
dimension = DimensionArgument.dimension().parse(new StringReader(dimensionPath));
162+
} catch (CommandSyntaxException e) {
163+
source.sendError(Component.translatable("seedMap.datapackImport.dimensionError"));
164+
return Command.SINGLE_SUCCESS;
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}
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167+
WorldIdentifier identifier = new WorldIdentifier(seed.seed(), dimension, seed.version(), seed.generatorFlags());
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source.sendFeedback(Component.translatable("seedMap.datapackImport.started"));
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DatapackStructureManager.importDatapackWithFallback(identifier, cachePath, url, source::sendFeedback, source::sendError);
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return Command.SINGLE_SUCCESS;
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}
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public static void importUrlForCurrentServer(String url) {
174+
Minecraft minecraft = Minecraft.getInstance();
175+
if (minecraft == null || minecraft.player == null || minecraft.level == null) {
176+
return;
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}
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CustomClientCommandSource source = new CustomClientCommandSource(
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minecraft.getConnection(),
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minecraft,
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minecraft.player,
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minecraft.player.position(),
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minecraft.player.getRotationVector(),
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minecraft.level,
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PermissionSet.NO_PERMISSIONS,
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new java.util.HashMap<>()
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);
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java.nio.file.Path cachePath = Configs.getSavedDatapackCachePathForCurrentServer();
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importSavedWithFallback(source, url, cachePath);
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}
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}

‎src/main/java/dev/xpple/seedmapper/config/Configs.java‎

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Original file line numberDiff line numberDiff line change
@@ -71,6 +71,22 @@ private static Component displaySavedSeeds() {
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@Config
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public static boolean AutoApplySeedCrackerSeed = true;
7373

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@Config
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public static boolean DatapackAutoload = false;
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@Config
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public static Map<String, String> DatapackSavedUrls = new HashMap<>();
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@Config
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public static Map<String, String> DatapackSavedCachePaths = new HashMap<>();
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@Config(setter = @Config.Setter("setDatapackColorScheme"))
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public static int DatapackColorScheme = 1;
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private static void setDatapackColorScheme(int scheme) {
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DatapackColorScheme = Math.clamp(scheme, 1, 3);
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}
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7490
public static String getCurrentServerKey() {
7591
Minecraft minecraft = Minecraft.getInstance();
7692
if (minecraft == null || minecraft.getConnection() == null || minecraft.getConnection().getConnection() == null) {
@@ -80,6 +96,62 @@ public static String getCurrentServerKey() {
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return remoteAddress != null ? remoteAddress.toString() : null;
8197
}
8298

99+
public static String getSavedDatapackUrlForCurrentServer() {
100+
String key = getCurrentServerKey();
101+
if (key == null) {
102+
return null;
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}
104+
String url = DatapackSavedUrls.get(key);
105+
return (url == null || url.isBlank()) ? null : url;
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}
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public static java.nio.file.Path getSavedDatapackCachePathForCurrentServer() {
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String key = getCurrentServerKey();
110+
if (key == null) {
111+
return null;
112+
}
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String raw = DatapackSavedCachePaths.get(key);
114+
if (raw == null || raw.isBlank()) {
115+
return null;
116+
}
117+
return java.nio.file.Path.of(raw);
118+
}
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120+
public static boolean saveDatapackUrlForCurrentServer(String url) {
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String key = getCurrentServerKey();
122+
if (key == null || url == null || url.isBlank()) {
123+
return false;
124+
}
125+
String trimmed = url.trim();
126+
DatapackSavedUrls.put(key, trimmed);
127+
save();
128+
return true;
129+
}
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public static boolean saveDatapackForCurrentServer(String url, java.nio.file.Path cachePath) {
132+
String key = getCurrentServerKey();
133+
if (key == null || url == null || url.isBlank()) {
134+
return false;
135+
}
136+
String trimmed = url.trim();
137+
DatapackSavedUrls.put(key, trimmed);
138+
if (cachePath != null) {
139+
DatapackSavedCachePaths.put(key, cachePath.toString());
140+
}
141+
save();
142+
return true;
143+
}
144+
145+
public static void removeDatapackUrlForCurrentServer() {
146+
String key = getCurrentServerKey();
147+
if (key == null) {
148+
return;
149+
}
150+
DatapackSavedUrls.remove(key);
151+
DatapackSavedCachePaths.remove(key);
152+
save();
153+
}
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83155
public static void applySeedForCurrentServer(long seed, boolean storeAsSavedSeed) {
84156
SeedIdentifier identifier = new SeedIdentifier(seed);
85157
String key = getCurrentServerKey();
@@ -261,6 +333,13 @@ private static Component getPlayerDirectionArrowComment() {
261333
return Component.translatable("config.showPlayerDirectionArrow.comment");
262334
}
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336+
@Config(comment = "getShowDatapackStructuresComment")
337+
public static boolean ShowDatapackStructures = true;
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339+
private static Component getShowDatapackStructuresComment() {
340+
return Component.translatable("config.showDatapackStructures.comment");
341+
}
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264343
@Config(comment = "getManualWaypointCompassOverlayComment")
265344
public static boolean ManualWaypointCompassOverlay = false;
266345

@@ -330,6 +409,45 @@ public static void setSeedMapCompletedStructures(String worldIdentifier, java.ut
330409
SeedMapCompletedStructures.put(worldIdentifier, String.join(",", entries));
331410
}
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412+
@Config
413+
public static Map<String, String> DatapackStructureDisabled = new HashMap<>();
414+
415+
public static java.util.Set<String> getDatapackStructureDisabled(String worldIdentifier) {
416+
if (worldIdentifier == null || worldIdentifier.isBlank()) {
417+
return new java.util.HashSet<>();
418+
}
419+
String raw = DatapackStructureDisabled.get(worldIdentifier);
420+
if (raw == null || raw.isBlank()) {
421+
return new java.util.HashSet<>();
422+
}
423+
java.util.Set<String> entries = new java.util.HashSet<>();
424+
for (String part : raw.split(",")) {
425+
if (!part.isBlank()) {
426+
entries.add(part.trim());
427+
}
428+
}
429+
return entries;
430+
}
431+
432+
public static void setDatapackStructureDisabled(String worldIdentifier, java.util.Set<String> entries) {
433+
if (worldIdentifier == null || worldIdentifier.isBlank()) {
434+
return;
435+
}
436+
if (entries == null || entries.isEmpty()) {
437+
DatapackStructureDisabled.remove(worldIdentifier);
438+
return;
439+
}
440+
DatapackStructureDisabled.put(worldIdentifier, String.join(",", entries));
441+
}
442+
443+
public static boolean isDatapackStructureEnabled(String worldIdentifier, String structureId) {
444+
if (structureId == null || structureId.isBlank()) {
445+
return true;
446+
}
447+
java.util.Set<String> disabled = getDatapackStructureDisabled(worldIdentifier);
448+
return !disabled.contains(structureId);
449+
}
450+
333451
public static void applyWaypointCompassOverlaySetting() {
334452
try {
335453
dev.xpple.simplewaypoints.config.Configs.waypointMarkerRenderLimit = 0;

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