Biomes O' Plenty startup crash fix (#73)

src/main/java/com/falsepattern/endlessids/mixin/mixins/common/bop/BOPBiomesMixin.java

@@ -0,0 +1,25 @@
+package com.falsepattern.endlessids.mixin.mixins.common.bop;
+
+import biomesoplenty.common.core.BOPBiomes;
+import biomesoplenty.common.world.BOPBiomeManager;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Overwrite;
+
+import net.minecraft.world.biome.BiomeGenBase;
+
+@Mixin(value = BOPBiomes.class,
+       remap = false)
+public abstract class BOPBiomesMixin {
+    /**
+     * @author FalsePattern
+     * @reason Suppress NPE
+     */
+    @Overwrite
+    private static void disableRiver(BiomeGenBase biome) {
+        try {
+            BOPBiomeManager.overworldRiverBiomes[biome.biomeID] = biome;
+        } catch (Throwable t) {
+            t.printStackTrace();
+        }
+    }
+}

src/main/java/com/falsepattern/endlessids/mixin/plugin/Mixin.java

@@ -81,6 +81,7 @@ public enum Mixin implements IMixin {
     //endregion AntiIDConflict->common
     //region BoP->common
     BOPBiomeManagerMixin(Side.COMMON, require(TargetedMod.BOP), "bop.BOPBiomeManagerMixin"),
+    BOPBiomesMixin(Side.COMMON, require(TargetedMod.BOP), "bop.BOPBiomesMixin"),
     //endregion BoP->common
     //region BiomeTweaker->common
     BiomeEventHandlerMixin(Side.COMMON, require(TargetedMod.BIOMETWEAKER), "biometweaker.BiomeEventHandlerMixin"),