[FEATURE] Butterfly data can now be edited via JSON

CHANGELOG.md

@@ -1,5 +1,8 @@
 ## Changelog
 
+### 2.1.0 (2024-01-28)
+-   Butterfly data can now be edited via JSON files
+
 ### 2.0.9 (2024-01-26)
 -   Fixed butterfly net achievements not working
 

gradle.properties

@@ -48,7 +48,7 @@ mod_name=Butterfly Mod
 # The license of the mod. Review your options at https://choosealicense.com/. All Rights Reserved is the default.
 mod_license=All Rights Reserved
 # The mod version. See https://semver.org/
-mod_version=2.0.9
+mod_version=2.1.0
 # The group ID for the mod. It is only important when publishing as an artifact to a Maven repository.
 # This should match the base package used for the mod sources.
 # See https://maven.apache.org/guides/mini/guide-naming-conventions.html

src/main/java/com/bokmcdok/butterflies/client/gui/screens/ButterflyBookScreen.java

@@ -398,7 +398,7 @@ public int getPageCount() {
         public FormattedText getPageRaw(int page) {
             if (pages != null) {
                 int butterflyIndex = pages.getInt((page - 1) / 2);
-                ButterflyData.Entry entry = ButterflyData.getEntry(butterflyIndex);
+                ButterflyData entry = ButterflyData.getEntry(butterflyIndex);
                 if (entry != null) {
                     //  Butterfly name
                     MutableComponent component = Component.translatable("entity.butterflies." + entry.entityId);

src/main/java/com/bokmcdok/butterflies/event/level/LevelEventListener.java

@@ -0,0 +1,74 @@
+package com.bokmcdok.butterflies.event.level;
+
+import com.bokmcdok.butterflies.ButterfliesMod;
+import com.bokmcdok.butterflies.world.ButterflyData;
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import com.mojang.logging.LogUtils;
+import net.minecraft.client.Minecraft;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.server.MinecraftServer;
+import net.minecraft.server.packs.resources.Resource;
+import net.minecraft.server.packs.resources.ResourceManager;
+import net.minecraftforge.event.level.LevelEvent;
+import net.minecraftforge.eventbus.api.SubscribeEvent;
+import net.minecraftforge.fml.common.Mod;
+import org.slf4j.Logger;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.util.Map;
+
+/**
+ * Listens for events on loading a level.
+ */
+@Mod.EventBusSubscriber(modid = ButterfliesMod.MODID, bus = Mod.EventBusSubscriber.Bus.FORGE)
+public class LevelEventListener {
+
+
+    // GSON build that can parse Butterfly entries.
+    private static final Gson GSON = (new GsonBuilder()).registerTypeAdapter(ButterflyData.class, new ButterflyData.Serializer()).create();
+
+    // Logger for reporting errors.
+    private static final Logger LOGGER = LogUtils.getLogger();
+
+    /**
+     * Load butterfly mod-specific data when a level loads.
+     * @param event The level load event.
+     */
+    @SubscribeEvent
+    public static void onLevelLoad(LevelEvent.Load event) {
+        LOGGER.debug("LevelEvent.Load");
+
+        // Get the resource manager.
+        ResourceManager resourceManager = null;
+        if (event.getLevel().isClientSide()) {
+            resourceManager = Minecraft.getInstance().getResourceManager();
+        } else {
+            MinecraftServer server = event.getLevel().getServer();
+            if (server != null) {
+                resourceManager = server.getResourceManager();
+            }
+        }
+
+        if (resourceManager == null) {
+            LOGGER.error("Failed to get Resource Manager");
+        } else {
+            // Get the butterfly JSON files
+            Map<ResourceLocation, Resource> resourceMap =
+                    resourceManager.listResources(ButterfliesMod.MODID, (x) -> x.getPath().endsWith(".json"));
+
+            // Parse each one and generate the data.
+            for (ResourceLocation location : resourceMap.keySet()) {
+                try {
+                    Resource resource = resourceMap.get(location);
+                    BufferedReader reader = resource.openAsReader();
+                    ButterflyData butterflyData = GSON.fromJson(reader, ButterflyData.class);
+                    ButterflyData.addButterfly(butterflyData);
+                } catch (IOException e) {
+                    LOGGER.error("Failed to load butterfly data: [" + location.toString() + "]", e);
+                }
+            }
+        }
+    }
+}