Deduplicate climate parameters

Author: embeddedt

common/src/main/java/org/embeddedt/modernfix/common/mixin/perf/deduplicate_climate_parameters/ParameterMixin.java

@@ -0,0 +1,15 @@
+package org.embeddedt.modernfix.common.mixin.perf.deduplicate_climate_parameters;
+
+import net.minecraft.world.level.biome.Climate;
+import org.embeddedt.modernfix.dedup.ClimateCache;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Redirect;
+
+@Mixin({ Climate.Parameter.class, Climate.ParameterPoint.class })
+public class ParameterMixin {
+    @Redirect(method = "*", at = @At(value = "NEW", target = "net/minecraft/world/level/biome/Climate$Parameter"), require = 0)
+    private static Climate.Parameter internParameterStatic(long min, long max) {
+        return ClimateCache.MFIX_INTERNER.intern(new Climate.Parameter(min, max));
+    }
+}

common/src/main/java/org/embeddedt/modernfix/dedup/ClimateCache.java

@@ -0,0 +1,9 @@
+package org.embeddedt.modernfix.dedup;
+
+import com.google.common.collect.Interner;
+import com.google.common.collect.Interners;
+import net.minecraft.world.level.biome.Climate;
+
+public class ClimateCache {
+    public static final Interner<Climate.Parameter> MFIX_INTERNER = Interners.newStrongInterner();
+}