Add missing attributes data generators (#28)

* 1.13

* 1.14

* 1.15

* 1.16

* 1.17

* 1.18

* 1.19

* 1.19.2

* 1.20

* 1.20.4

* 1.20.5

* Updated 1.16+ to match attributes schema

* 1.21

* 1.21.3

1.16/src/main/java/dev/u9g/minecraftdatagenerator/generators/AttributesDataGenerator.java

@@ -0,0 +1,30 @@
+package dev.u9g.minecraftdatagenerator.generators;
+
+import com.google.gson.JsonArray;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+import dev.u9g.minecraftdatagenerator.mixin.ClampedEntityAttributeAccessor;
+import net.minecraft.entity.attribute.EntityAttribute;
+import net.minecraft.util.registry.Registry;
+
+public class AttributesDataGenerator implements IDataGenerator {
+    @Override
+    public String getDataName() {
+        return "attributes";
+    }
+
+    @Override
+    public JsonElement generateDataJson() {
+        JsonArray arr = new JsonArray();
+        for (EntityAttribute attribute : Registry.ATTRIBUTE) {
+            JsonObject obj = new JsonObject();
+            obj.addProperty("name", Registry.ATTRIBUTE.getId(attribute).getPath().split("\\.")[1]);
+            obj.addProperty("resource", Registry.ATTRIBUTE.getId(attribute).getPath());
+            obj.addProperty("min", ((ClampedEntityAttributeAccessor) attribute).getMinValue());
+            obj.addProperty("max", ((ClampedEntityAttributeAccessor) attribute).getMaxValue());
+            obj.addProperty("default", attribute.getDefaultValue());
+            arr.add(obj);
+        }
+        return arr;
+    }
+}

1.16/src/main/java/dev/u9g/minecraftdatagenerator/mixin/ClampedEntityAttributeAccessor.java

@@ -0,0 +1,14 @@
+package dev.u9g.minecraftdatagenerator.mixin;
+
+import net.minecraft.entity.attribute.ClampedEntityAttribute;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.gen.Accessor;
+
+@Mixin(ClampedEntityAttribute.class)
+public interface ClampedEntityAttributeAccessor {
+    @Accessor("minValue")
+    double getMinValue();
+
+    @Accessor("maxValue")
+    double getMaxValue();
+}

1.16/src/main/resources/minecraft-data-generator.mixins.json

@@ -5,6 +5,7 @@
   "compatibilityLevel": "JAVA_17",
   "mixins": [
     "BiomeEffectsAccessor",
+    "ClampedEntityAttributeAccessor",
     "EULAMixin",
     "MiningToolItemAccessor",
     "ReadyMixin",