1 files changed, 21 insertions, 0 deletions
diff --git a/src/main/java/cc/polyfrost/oneconfig/internal/mixin/OptifineConfigMixin.java b/src/main/java/cc/polyfrost/oneconfig/internal/mixin/OptifineConfigMixin.java
new file mode 100644
index 0000000..bc1d400
--- /dev/null
+++ b/src/main/java/cc/polyfrost/oneconfig/internal/mixin/OptifineConfigMixin.java
@@ -0,0 +1,21 @@
+package cc.polyfrost.oneconfig.internal.mixin;
+
+import cc.polyfrost.oneconfig.internal.plugin.OptifineConfigHook;
+import org.spongepowered.asm.mixin.Dynamic;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Pseudo;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
+
+@Pseudo
+@Mixin(targets = "Config", remap = false)
+public class OptifineConfigMixin {
+    @Dynamic("OptiFine")
+    @Inject(method = "isFastRender", at = @At("HEAD"), cancellable = true)
+    private static void cancelFastRender(CallbackInfoReturnable<Boolean> cir) {
+        if (OptifineConfigHook.shouldNotApplyFastRender()) {
+            cir.setReturnValue(false);
+        }
+    }
+}