Implement 0005-lithium-fast-util.patch

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

@@ -0,0 +1,70 @@
+// 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 net.minecraft.core.Direction;
+import net.minecraft.world.phys.AABB;
+import org.spongepowered.asm.mixin.Final;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Overwrite;
+import org.spongepowered.asm.mixin.Shadow;
+
+@Mixin(AABB.class)
+public class MixinAABB {
+    @Shadow @Final public double minX;
+    @Shadow @Final public double minY;
+    @Shadow @Final public double minZ;
+    @Shadow @Final public double maxX;
+    @Shadow @Final public double maxY;
+    @Shadow @Final public double maxZ;
+
+    /*
+     * Note: did not impelment the static constructor in the original patch, as it is not needed for the patch to work
+     */
+
+    /**
+     * @author DoggySazHi
+     * @reason Implementation of 0005-lithium-fast-util.patch, requires a overwrite to avoid calling `axis.choose`
+     */
+    @Overwrite
+    public double min(Direction.Axis axis) {
+        return switch (axis.ordinal()) {
+            case 0 -> // X
+                    this.minX;
+            case 1 -> // Y
+                    this.minY;
+            case 2 -> // Z
+                    this.minZ;
+            default -> throw new IllegalArgumentException();
+        };
+    }
+
+    /**
+     * @author DoggySazHi
+     * @reason Implementation of 0005-lithium-fast-util.patch, requires a overwrite to avoid calling `axis.choose`
+     */
+    @Overwrite
+    public double max(Direction.Axis axis) {
+        return switch (axis.ordinal()) {
+            case 0 -> // X
+                    this.maxX;
+            case 1 -> // Y
+                    this.maxY;
+            case 2 -> // Z
+                    this.maxZ;
+            default -> throw new IllegalArgumentException();
+        };
+    }
+}

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

@@ -0,0 +1,46 @@
+// 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 net.minecraft.core.Direction;
+import net.minecraft.util.RandomSource;
+import org.spongepowered.asm.mixin.Final;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Overwrite;
+import org.spongepowered.asm.mixin.Shadow;
+
+@Mixin(Direction.class)
+public class MixinDirection {
+    @Shadow @Final private static Direction[] VALUES;
+    @Shadow @Final private int oppositeIndex;
+
+    /**
+     * @author DoggySazHi
+     * @reason Implementation of 0005-lithium-fast-util.patch, requires a overwrite to avoid calling `from3DDataValue`
+     */
+    @Overwrite
+    public Direction getOpposite() {
+        return VALUES[this.oppositeIndex];
+    }
+
+    /**
+     * @author DoggySazHi
+     * @reason Implementation of 0005-lithium-fast-util.patch, requires a overwrite to avoid calling `Util.getRandom`
+     */
+    @Overwrite
+    public static Direction getRandom(RandomSource random) {
+        return VALUES[random.nextInt(VALUES.length)];
+    }
+}

src/main/resources/mixins.core.json

@@ -7,6 +7,8 @@
   "compatibilityLevel": "JAVA_17",
   "server": [
     "ChunkMapMixin",
-    "MixinSpongeSIMD"
+    "MixinSpongeSIMD",
+    "MixinAABB",
+    "MixinDirection"
   ]
 }