1 files changed, 99 insertions, 0 deletions
diff --git a/src/main/java/io/github/moulberry/notenoughupdates/miscfeatures/NPCRetexturing.java b/src/main/java/io/github/moulberry/notenoughupdates/miscfeatures/NPCRetexturing.java
new file mode 100644
index 00000000..465d3ea9
--- /dev/null
+++ b/src/main/java/io/github/moulberry/notenoughupdates/miscfeatures/NPCRetexturing.java
@@ -0,0 +1,99 @@
+package io.github.moulberry.notenoughupdates.miscfeatures;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.entity.AbstractClientPlayer;
+import net.minecraft.client.renderer.block.model.ModelBlock;
+import net.minecraft.client.resources.IResourceManager;
+import net.minecraft.client.resources.IResourceManagerReloadListener;
+import net.minecraft.client.resources.model.ModelRotation;
+import net.minecraft.util.ResourceLocation;
+
+import java.io.BufferedReader;
+import java.io.InputStreamReader;
+import java.nio.charset.StandardCharsets;
+import java.util.HashMap;
+import java.util.Map;
+
+public class NPCRetexturing implements IResourceManagerReloadListener {
+
+    private static final NPCRetexturing INSTANCE = new NPCRetexturing();
+
+    private static final ResourceLocation npcRetexturingJson = new ResourceLocation("notenoughupdates:npccustomtextures/config.json");
+
+    private final Gson gson = new GsonBuilder().create();
+
+    public static class Skin {
+        public ResourceLocation skinLocation;
+        public boolean skinny;
+
+        public Skin(ResourceLocation skinLocation, boolean skinny) {
+            this.skinLocation = skinLocation;
+            this.skinny = skinny;
+        }
+    }
+
+    private HashMap<AbstractClientPlayer, Skin> skinOverrideCache = new HashMap<>();
+    private HashMap<String, Skin> skinMap = new HashMap<>();
+
+    private boolean gettingSkin = false;
+
+    public Skin getSkin(AbstractClientPlayer player) {
+        if(gettingSkin) return null;
+
+        if(player.getUniqueID().version() == 4) return null;
+
+        if(skinOverrideCache.containsKey(player)) {
+            return skinOverrideCache.get(player);
+        }
+
+        gettingSkin = true;
+        ResourceLocation loc = player.getLocationSkin();
+        gettingSkin = false;
+
+        if(skinMap.containsKey(loc.getResourcePath())) {
+            Skin skin = skinMap.get(loc.getResourcePath());
+            skinOverrideCache.put(player, skin);
+            return skin;
+        }
+
+        skinOverrideCache.put(player, null);
+        return null;
+    }
+
+    public void tick() {
+        skinOverrideCache.clear();
+    }
+
+    @Override
+    public void onResourceManagerReload(IResourceManager resourceManager) {
+        skinMap.clear();
+
+        try(BufferedReader reader = new BufferedReader(new InputStreamReader(
+                Minecraft.getMinecraft().getResourceManager().getResource(npcRetexturingJson).getInputStream(), StandardCharsets.UTF_8))) {
+            JsonObject json = gson.fromJson(reader, JsonObject.class);
+
+            if(json == null) return;
+
+            for(Map.Entry<String, JsonElement> entry : json.entrySet()) {
+                if(entry.getValue().isJsonObject()) {
+                    JsonObject val = entry.getValue().getAsJsonObject();
+
+                    Skin skin = new Skin(new ResourceLocation(val.get("skin").getAsString()), val.get("skinny").getAsBoolean());
+                    skinMap.put("skins/"+entry.getKey(), skin);
+                }
+            }
+        } catch(Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+
+    public static NPCRetexturing getInstance() {
+        return INSTANCE;
+    }
+
+}