Fix CustomBiomeRegistry#modify not handling particles

Author: Jsinco

build.gradle.kts

@@ -12,7 +12,7 @@ allprojects {
     apply(plugin = "com.gradleup.shadow")
 
     group = "me.outspending.biomesapi"
-    version = "0.0.19"
+    version = "0.0.20"
 
     tasks.withType<JavaCompile> {
         options.encoding = "UTF-8"

main/src/main/java/me/outspending/biomesapi/registry/CustomBiomeRegistry.java

@@ -134,6 +134,9 @@ public void modify(@NotNull CustomBiome customBiome) {
                 .build();
         BiomeSpecialEffects specialEffects = SPECIAL_EFFECTS_HANDLER.build(customBiome);
 
+        ParticleRenderer particleRenderer = customBiome.getParticleRenderer();
+        RENDERER_HANDLER.handle(particleRenderer, environmentAttributeMap);
+
 
         // Time to reflect
         try {

main/src/main/java/me/outspending/biomesapi/registry/handlers/ParticleRendererHandler.java

@@ -3,6 +3,7 @@
 import me.outspending.biomesapi.biome.CustomBiome;
 import me.outspending.biomesapi.registry.BuilderHandler;
 import me.outspending.biomesapi.renderer.ParticleRenderer;
+import net.minecraft.world.attribute.EnvironmentAttributeMap;
 import net.minecraft.world.attribute.EnvironmentAttributes;
 import net.minecraft.world.level.biome.Biome;
 import org.jetbrains.annotations.NotNull;
@@ -27,6 +28,20 @@ public void handle(ParticleRenderer value, @NotNull Biome.BiomeBuilder key) {
         key.setAttribute(EnvironmentAttributes.AMBIENT_PARTICLES, minecraftAmbientParticles);
     }
 
+    public void handle(ParticleRenderer value, @NotNull EnvironmentAttributeMap key) {
+        if (value == null) return;
+
+        List<net.minecraft.world.attribute.AmbientParticle> minecraftAmbientParticles = new ArrayList<>();
+
+        for (var entry : value.ambientParticles().entrySet()) {
+            minecraftAmbientParticles.add(
+                    new net.minecraft.world.attribute.AmbientParticle(entry.getKey().getSimpleParticle(), entry.getValue())
+            );
+        }
+
+        key.applyModifier(EnvironmentAttributes.AMBIENT_PARTICLES, minecraftAmbientParticles);
+    }
+
     @Override
     public ParticleRenderer build(@NotNull CustomBiome biome) {
         return null;