From 6a7ca1e518ca829ff02efa2fc5585c7f0e92e1c8 Mon Sep 17 00:00:00 2001
From: embeddedt <42941056+embeddedt@users.noreply.github.com>
Date: Fri, 10 Mar 2023 20:14:11 -0500
Subject: [PATCH] Remove unnecessary Files.exists call in
 ModFileResourcePack.getResource()

---
 .../resourcepacks/ModFileResourcePackMixin.java  | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/src/main/java/org/embeddedt/modernfix/mixin/perf/resourcepacks/ModFileResourcePackMixin.java b/src/main/java/org/embeddedt/modernfix/mixin/perf/resourcepacks/ModFileResourcePackMixin.java
index f4e7d0e9..15d99e15 100644
--- a/src/main/java/org/embeddedt/modernfix/mixin/perf/resourcepacks/ModFileResourcePackMixin.java
+++ b/src/main/java/org/embeddedt/modernfix/mixin/perf/resourcepacks/ModFileResourcePackMixin.java
@@ -3,6 +3,7 @@ package org.embeddedt.modernfix.mixin.perf.resourcepacks;
 import com.google.common.base.Joiner;
 import net.minecraft.server.packs.PackType;
 import net.minecraft.resources.ResourceLocation;
+import net.minecraft.server.packs.ResourcePackFileNotFoundException;
 import net.minecraftforge.fml.loading.moddiscovery.ModFile;
 import net.minecraftforge.fml.packs.ModFileResourcePack;
 import org.embeddedt.modernfix.util.FileUtil;
@@ -14,11 +15,11 @@ import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Inject;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
+import org.spongepowered.asm.mixin.injection.callback.LocalCapture;
 
 import java.io.IOException;
-import java.nio.file.FileSystem;
-import java.nio.file.Files;
-import java.nio.file.Path;
+import java.io.InputStream;
+import java.nio.file.*;
 import java.util.*;
 import java.util.function.Predicate;
 import java.util.stream.Collectors;
@@ -97,6 +98,15 @@ public abstract class ModFileResourcePackMixin {
         cir.setReturnValue(this.containedPaths.contains(FileUtil.normalize(path)));
     }
 
+    @Inject(method = "getResource(Ljava/lang/String;)Ljava/io/InputStream;", at = @At(value = "INVOKE", target = "Ljava/nio/file/Files;exists(Ljava/nio/file/Path;[Ljava/nio/file/LinkOption;)Z"), cancellable = true, locals = LocalCapture.CAPTURE_FAILHARD)
+    private void fasterGetResource(String resourcePath, CallbackInfoReturnable<InputStream> cir, Path path) throws IOException {
+        try {
+            cir.setReturnValue(Files.newInputStream(path, StandardOpenOption.READ));
+        } catch(NoSuchFileException e) {
+            throw new ResourcePackFileNotFoundException(this.modFile.getFilePath().toFile(), resourcePath);
+        }
+    }
+
     /**
      * @author embeddedt
      * @reason Use cached listing of mod resources