tai i am starving (avoid checks for region data, temporary)

src/main/java/net/gensokyoreimagined/nitori/core/MixinRegionFileIOThread.java

@@ -0,0 +1,43 @@
+// Nitori Copyright (C) 2024 Gensokyo Reimagined
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+package net.gensokyoreimagined.nitori.core;
+
+import io.papermc.paper.chunk.system.io.RegionFileIOThread;
+import org.objectweb.asm.Opcodes;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Coerce;
+import org.spongepowered.asm.mixin.injection.Redirect;
+
+@Mixin(io.papermc.paper.chunk.system.io.RegionFileIOThread.class)
+public class MixinRegionFileIOThread {
+    // What if we didn't care about the region file calculation?
+    @Redirect(method = "loadDataAsyncInternal", at = @At(value = "FIELD", target = "Lio/papermc/paper/chunk/system/io/RegionFileIOThread$ImmediateCallbackCompletion;regionFileCalculation:Ljava/lang/Boolean;", opcode = Opcodes.GETFIELD))
+    private Boolean trickSkipCheck(@Coerce Object ignored) {
+        return Boolean.TRUE;
+    }
+
+    // What if we didn't need to set the region file calculation?
+    @Redirect(method = "loadDataAsyncInternal", at = @At(value = "FIELD", target = "Lio/papermc/paper/chunk/system/io/RegionFileIOThread$ImmediateCallbackCompletion;needsRegionFileTest:Z", opcode = Opcodes.GETFIELD))
+    private boolean trickSkipCheck2(@Coerce Object ignored) {
+        return false;
+    }
+
+    // What if we didn't check if the region file exists?
+    @Redirect(method = "loadDataAsyncInternal", at = @At(value = "INVOKE", target = "Lio/papermc/paper/chunk/system/io/RegionFileIOThread;doesRegionFileExist(IIZLio/papermc/paper/chunk/system/io/RegionFileIOThread$ChunkDataController;)Ljava/lang/Boolean;"))
+    private Boolean trickSkipCheck3(int chunkX, int chunkZ, boolean intendingToBlock, RegionFileIOThread.ChunkDataController taskController) {
+        return Boolean.TRUE;
+    }
+}

src/main/resources/mixins.core.json

@@ -25,6 +25,7 @@
     "MixinSpongeSIMD",
     "MixinWorldGenRegion",
     "ChunkMapMixin",
-    "ChunkMapMixin$TrackedEntity"
+    "ChunkMapMixin$TrackedEntity",
+    "MixinRegionFileIOThread"
   ]
 }