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Add TagsDataGenerator to supersede obsolete materials.json with modern tag system for multiple Minecraft versions #56

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Add TagsDataGenerator to supersede obsolete materials.json with modern tag system for multiple Minecraft versions #56

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26d1cea
Initial plan
Copilot Sep 8, 2025
05dc391
Add TagsDataGenerator for Minecraft 1.21.8
Copilot Sep 8, 2025
5409fcc
Copy TagsDataGenerator to all Minecraft versions for broader compatib…
Copilot Sep 25, 2025
5ea2566
Remove TagsDataGenerator from incompatible older versions, keep worki…
Copilot Sep 25, 2025
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76 changes: 76 additions & 0 deletions mc/1.20.5/src/main/java/dev/u9g/minecraftdatagenerator/generators/TagsDataGenerator.java
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package dev.u9g.minecraftdatagenerator.generators;

import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import dev.u9g.minecraftdatagenerator.util.DGU;
import net.minecraft.core.Holder;
import net.minecraft.core.HolderSet;
import net.minecraft.core.Registry;
import net.minecraft.core.registries.Registries;
import net.minecraft.resources.ResourceLocation;
import net.minecraft.tags.TagKey;
import net.minecraft.world.entity.EntityType;
import net.minecraft.world.item.Item;
import net.minecraft.world.level.block.Block;
import net.minecraft.world.level.material.Fluid;

import java.util.List;
import java.util.stream.Collectors;

public class TagsDataGenerator implements IDataGenerator {

@Override
public String getDataName() {
return "tags";
}

@Override
public JsonElement generateDataJson() {
JsonObject root = new JsonObject();

// Generate block tags
JsonObject blockTags = new JsonObject();
generateTagsForRegistry(DGU.getWorld().registryAccess().lookupOrThrow(Registries.BLOCK), blockTags);
root.add("block", blockTags);

// Generate item tags
JsonObject itemTags = new JsonObject();
generateTagsForRegistry(DGU.getWorld().registryAccess().lookupOrThrow(Registries.ITEM), itemTags);
root.add("item", itemTags);

// Generate fluid tags
JsonObject fluidTags = new JsonObject();
generateTagsForRegistry(DGU.getWorld().registryAccess().lookupOrThrow(Registries.FLUID), fluidTags);
root.add("fluid", fluidTags);

// Generate entity type tags
JsonObject entityTypeTags = new JsonObject();
generateTagsForRegistry(DGU.getWorld().registryAccess().lookupOrThrow(Registries.ENTITY_TYPE), entityTypeTags);
root.add("entity_type", entityTypeTags);

return root;
}

private <T> void generateTagsForRegistry(Registry<T> registry, JsonObject output) {
registry.getTags().forEach(namedSet -> {
TagKey<T> tagKey = namedSet.key();
String tagName = tagKey.location().toString();

JsonArray tagContents = new JsonArray();

// Get all holders in this tag
List<Holder<T>> holders = namedSet.stream().collect(Collectors.toList());

for (Holder<T> holder : holders) {
// Get the resource location of the entry
ResourceLocation location = registry.getKey(holder.value());
if (location != null) {
tagContents.add(location.toString());
}
}

output.add(tagName, tagContents);
});
}
}
76 changes: 76 additions & 0 deletions mc/1.21.3/src/main/java/dev/u9g/minecraftdatagenerator/generators/TagsDataGenerator.java
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Original file line number Diff line number Diff line change
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package dev.u9g.minecraftdatagenerator.generators;

import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import dev.u9g.minecraftdatagenerator.util.DGU;
import net.minecraft.core.Holder;
import net.minecraft.core.HolderSet;
import net.minecraft.core.Registry;
import net.minecraft.core.registries.Registries;
import net.minecraft.resources.ResourceLocation;
import net.minecraft.tags.TagKey;
import net.minecraft.world.entity.EntityType;
import net.minecraft.world.item.Item;
import net.minecraft.world.level.block.Block;
import net.minecraft.world.level.material.Fluid;

import java.util.List;
import java.util.stream.Collectors;

public class TagsDataGenerator implements IDataGenerator {

@Override
public String getDataName() {
return "tags";
}

@Override
public JsonElement generateDataJson() {
JsonObject root = new JsonObject();

// Generate block tags
JsonObject blockTags = new JsonObject();
generateTagsForRegistry(DGU.getWorld().registryAccess().lookupOrThrow(Registries.BLOCK), blockTags);
root.add("block", blockTags);

// Generate item tags
JsonObject itemTags = new JsonObject();
generateTagsForRegistry(DGU.getWorld().registryAccess().lookupOrThrow(Registries.ITEM), itemTags);
root.add("item", itemTags);

// Generate fluid tags
JsonObject fluidTags = new JsonObject();
generateTagsForRegistry(DGU.getWorld().registryAccess().lookupOrThrow(Registries.FLUID), fluidTags);
root.add("fluid", fluidTags);

// Generate entity type tags
JsonObject entityTypeTags = new JsonObject();
generateTagsForRegistry(DGU.getWorld().registryAccess().lookupOrThrow(Registries.ENTITY_TYPE), entityTypeTags);
root.add("entity_type", entityTypeTags);

return root;
}

private <T> void generateTagsForRegistry(Registry<T> registry, JsonObject output) {
registry.getTags().forEach(namedSet -> {
TagKey<T> tagKey = namedSet.key();
String tagName = tagKey.location().toString();

JsonArray tagContents = new JsonArray();

// Get all holders in this tag
List<Holder<T>> holders = namedSet.stream().collect(Collectors.toList());

for (Holder<T> holder : holders) {
// Get the resource location of the entry
ResourceLocation location = registry.getKey(holder.value());
if (location != null) {
tagContents.add(location.toString());
}
}

output.add(tagName, tagContents);
});
}
}
76 changes: 76 additions & 0 deletions mc/1.21.5/src/main/java/dev/u9g/minecraftdatagenerator/generators/TagsDataGenerator.java
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Original file line number Diff line number Diff line change
@@ -0,0 +1,76 @@
package dev.u9g.minecraftdatagenerator.generators;

import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import dev.u9g.minecraftdatagenerator.util.DGU;
import net.minecraft.core.Holder;
import net.minecraft.core.HolderSet;
import net.minecraft.core.Registry;
import net.minecraft.core.registries.Registries;
import net.minecraft.resources.ResourceLocation;
import net.minecraft.tags.TagKey;
import net.minecraft.world.entity.EntityType;
import net.minecraft.world.item.Item;
import net.minecraft.world.level.block.Block;
import net.minecraft.world.level.material.Fluid;

import java.util.List;
import java.util.stream.Collectors;

public class TagsDataGenerator implements IDataGenerator {

@Override
public String getDataName() {
return "tags";
}

@Override
public JsonElement generateDataJson() {
JsonObject root = new JsonObject();

// Generate block tags
JsonObject blockTags = new JsonObject();
generateTagsForRegistry(DGU.getWorld().registryAccess().lookupOrThrow(Registries.BLOCK), blockTags);
root.add("block", blockTags);

// Generate item tags
JsonObject itemTags = new JsonObject();
generateTagsForRegistry(DGU.getWorld().registryAccess().lookupOrThrow(Registries.ITEM), itemTags);
root.add("item", itemTags);

// Generate fluid tags
JsonObject fluidTags = new JsonObject();
generateTagsForRegistry(DGU.getWorld().registryAccess().lookupOrThrow(Registries.FLUID), fluidTags);
root.add("fluid", fluidTags);

// Generate entity type tags
JsonObject entityTypeTags = new JsonObject();
generateTagsForRegistry(DGU.getWorld().registryAccess().lookupOrThrow(Registries.ENTITY_TYPE), entityTypeTags);
root.add("entity_type", entityTypeTags);

return root;
}

private <T> void generateTagsForRegistry(Registry<T> registry, JsonObject output) {
registry.getTags().forEach(namedSet -> {
TagKey<T> tagKey = namedSet.key();
String tagName = tagKey.location().toString();

JsonArray tagContents = new JsonArray();

// Get all holders in this tag
List<Holder<T>> holders = namedSet.stream().collect(Collectors.toList());

for (Holder<T> holder : holders) {
// Get the resource location of the entry
ResourceLocation location = registry.getKey(holder.value());
if (location != null) {
tagContents.add(location.toString());
}
}

output.add(tagName, tagContents);
});
}
}
76 changes: 76 additions & 0 deletions mc/1.21.6/src/main/java/dev/u9g/minecraftdatagenerator/generators/TagsDataGenerator.java
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Original file line number Diff line number Diff line change
@@ -0,0 +1,76 @@
package dev.u9g.minecraftdatagenerator.generators;

import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import dev.u9g.minecraftdatagenerator.util.DGU;
import net.minecraft.core.Holder;
import net.minecraft.core.HolderSet;
import net.minecraft.core.Registry;
import net.minecraft.core.registries.Registries;
import net.minecraft.resources.ResourceLocation;
import net.minecraft.tags.TagKey;
import net.minecraft.world.entity.EntityType;
import net.minecraft.world.item.Item;
import net.minecraft.world.level.block.Block;
import net.minecraft.world.level.material.Fluid;

import java.util.List;
import java.util.stream.Collectors;

public class TagsDataGenerator implements IDataGenerator {

@Override
public String getDataName() {
return "tags";
}

@Override
public JsonElement generateDataJson() {
JsonObject root = new JsonObject();

// Generate block tags
JsonObject blockTags = new JsonObject();
generateTagsForRegistry(DGU.getWorld().registryAccess().lookupOrThrow(Registries.BLOCK), blockTags);
root.add("block", blockTags);

// Generate item tags
JsonObject itemTags = new JsonObject();
generateTagsForRegistry(DGU.getWorld().registryAccess().lookupOrThrow(Registries.ITEM), itemTags);
root.add("item", itemTags);

// Generate fluid tags
JsonObject fluidTags = new JsonObject();
generateTagsForRegistry(DGU.getWorld().registryAccess().lookupOrThrow(Registries.FLUID), fluidTags);
root.add("fluid", fluidTags);

// Generate entity type tags
JsonObject entityTypeTags = new JsonObject();
generateTagsForRegistry(DGU.getWorld().registryAccess().lookupOrThrow(Registries.ENTITY_TYPE), entityTypeTags);
root.add("entity_type", entityTypeTags);

return root;
}

private <T> void generateTagsForRegistry(Registry<T> registry, JsonObject output) {
registry.getTags().forEach(namedSet -> {
TagKey<T> tagKey = namedSet.key();
String tagName = tagKey.location().toString();

JsonArray tagContents = new JsonArray();

// Get all holders in this tag
List<Holder<T>> holders = namedSet.stream().collect(Collectors.toList());

for (Holder<T> holder : holders) {
// Get the resource location of the entry
ResourceLocation location = registry.getKey(holder.value());
if (location != null) {
tagContents.add(location.toString());
}
}

output.add(tagName, tagContents);
});
}
}
76 changes: 76 additions & 0 deletions mc/1.21.7/src/main/java/dev/u9g/minecraftdatagenerator/generators/TagsDataGenerator.java
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Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,76 @@
package dev.u9g.minecraftdatagenerator.generators;

import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import dev.u9g.minecraftdatagenerator.util.DGU;
import net.minecraft.core.Holder;
import net.minecraft.core.HolderSet;
import net.minecraft.core.Registry;
import net.minecraft.core.registries.Registries;
import net.minecraft.resources.ResourceLocation;
import net.minecraft.tags.TagKey;
import net.minecraft.world.entity.EntityType;
import net.minecraft.world.item.Item;
import net.minecraft.world.level.block.Block;
import net.minecraft.world.level.material.Fluid;

import java.util.List;
import java.util.stream.Collectors;

public class TagsDataGenerator implements IDataGenerator {

@Override
public String getDataName() {
return "tags";
}

@Override
public JsonElement generateDataJson() {
JsonObject root = new JsonObject();

// Generate block tags
JsonObject blockTags = new JsonObject();
generateTagsForRegistry(DGU.getWorld().registryAccess().lookupOrThrow(Registries.BLOCK), blockTags);
root.add("block", blockTags);

// Generate item tags
JsonObject itemTags = new JsonObject();
generateTagsForRegistry(DGU.getWorld().registryAccess().lookupOrThrow(Registries.ITEM), itemTags);
root.add("item", itemTags);

// Generate fluid tags
JsonObject fluidTags = new JsonObject();
generateTagsForRegistry(DGU.getWorld().registryAccess().lookupOrThrow(Registries.FLUID), fluidTags);
root.add("fluid", fluidTags);

// Generate entity type tags
JsonObject entityTypeTags = new JsonObject();
generateTagsForRegistry(DGU.getWorld().registryAccess().lookupOrThrow(Registries.ENTITY_TYPE), entityTypeTags);
root.add("entity_type", entityTypeTags);

return root;
}

private <T> void generateTagsForRegistry(Registry<T> registry, JsonObject output) {
registry.getTags().forEach(namedSet -> {
TagKey<T> tagKey = namedSet.key();
String tagName = tagKey.location().toString();

JsonArray tagContents = new JsonArray();

// Get all holders in this tag
List<Holder<T>> holders = namedSet.stream().collect(Collectors.toList());

for (Holder<T> holder : holders) {
// Get the resource location of the entry
ResourceLocation location = registry.getKey(holder.value());
if (location != null) {
tagContents.add(location.toString());
}
}

output.add(tagName, tagContents);
});
}
}
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