Fix #124

copycats-plus · Jul 27, 2024 · fe06802 · fe06802
1 parent 760a33a
commit fe06802
Showing 1 changed file with 24 additions and 1 deletion.
diff --git a/...om/copycatsplus/copycats/foundation/copycat/model/fabric/IntermediateMutableQuadView.java b/...om/copycatsplus/copycats/foundation/copycat/model/fabric/IntermediateMutableQuadView.java
@@ -1,5 +1,6 @@
 package com.copycatsplus.copycats.foundation.copycat.model.fabric;
 
+import com.copycatsplus.copycats.Copycats;
 import com.copycatsplus.copycats.compat.Mods;
 import com.copycatsplus.copycats.compat.fabric.IndiumMutableQuadView;
 import net.fabricmc.fabric.api.renderer.v1.mesh.MutableQuadView;
@@ -8,6 +9,8 @@
 import org.apache.commons.lang3.NotImplementedException;
 import org.jetbrains.annotations.ApiStatus;
 
+import java.util.concurrent.atomic.AtomicBoolean;
+
 @SuppressWarnings("UnstableApiUsage")
 @ApiStatus.Internal
 public class IntermediateMutableQuadView extends MutableQuadViewImpl {
@@ -21,7 +24,27 @@ public void emitDirectly() {
         throw new NotImplementedException("IntermediateMutableQuadView.emitDirectly() is not implemented");
     }
 
+    /**
+     * Embeddium registers a stub for Indium but does not provide Indium classes,
+     * so classes need to be checked for existence at runtime.
+     */
+    private static final AtomicBoolean indiumAvailable = new AtomicBoolean(true);
+
     public static MutableQuadView create() {
-        return Mods.INDIUM.<MutableQuadView>runIfInstalled(() -> IndiumMutableQuadView::new).orElseGet(IntermediateMutableQuadView::new);
+        if (!indiumAvailable.get()) {
+            return new IntermediateMutableQuadView();
+        }
+        return Mods.INDIUM.<MutableQuadView>runIfInstalled(() -> {
+            try {
+                IndiumMutableQuadView instance = new IndiumMutableQuadView();
+                return () -> instance;
+            } catch (NoClassDefFoundError t) {
+                if (indiumAvailable.compareAndSet(true, false)) {
+                    Copycats.LOGGER.warn("Failed to load Indium classes, falling back to Fabric API");
+                    t.printStackTrace();
+                }
+                return IntermediateMutableQuadView::new;
+            }
+        }).orElseGet(IntermediateMutableQuadView::new);
     }
 }