initial trans flag heart particle impl :3

src/main/java/net/solaara/beeyourself/BeeYourself.java

@@ -4,11 +4,13 @@
 import net.fabricmc.fabric.api.item.v1.FabricItemSettings;
 import net.fabricmc.fabric.api.object.builder.v1.entity.FabricDefaultAttributeRegistry;
 import net.fabricmc.fabric.api.object.builder.v1.entity.FabricEntityTypeBuilder;
+import net.fabricmc.fabric.api.particle.v1.FabricParticleTypes;
 import net.minecraft.entity.EntityDimensions;
 import net.minecraft.entity.EntityType;
 import net.minecraft.entity.SpawnGroup;
 import net.minecraft.item.ItemGroup;
 import net.minecraft.item.SpawnEggItem;
+import net.minecraft.particle.DefaultParticleType;
 import net.minecraft.item.Item;
 import net.minecraft.util.Identifier;
 import net.minecraft.util.registry.Registry;
@@ -23,6 +25,8 @@ public class BeeYourself implements ModInitializer {
 	// That way, it's clear which mod wrote info, warnings, and errors.
 	public static final Logger LOGGER = LoggerFactory.getLogger("bee-yourself");
 
+	public static final DefaultParticleType TRANS_FLAG_HEART_PARTICLE = FabricParticleTypes.simple();
+
 	public static final EntityType<TransBeeEntity> TRANS_BEE = Registry.register(
 			Registry.ENTITY_TYPE,
 			new Identifier("beeyourself", "transbee"),
@@ -41,6 +45,8 @@ public void onInitialize() {
 		FabricDefaultAttributeRegistry.register(TRANS_BEE, TransBeeEntity.create_transbee_attributes());
 
 		Registry.register(Registry.ITEM, new Identifier("bee-yourself", "trans_bee_spawn_egg"), TRANS_BEE_SPAWN_EGG);
+		Registry.register(Registry.PARTICLE_TYPE, new Identifier("bee-yourself", "trans_flag_heart"),
+				TRANS_FLAG_HEART_PARTICLE);
 
 		LOGGER.info("BeeYourself onInitialize()");
 	}

src/main/java/net/solaara/beeyourself/BeeYourselfClient.java

@@ -4,10 +4,15 @@
 import net.fabricmc.api.ClientModInitializer;
 import net.fabricmc.api.EnvType;
 import net.fabricmc.api.Environment;
+import net.fabricmc.fabric.api.client.particle.v1.ParticleFactoryRegistry;
+import net.fabricmc.fabric.api.event.client.ClientSpriteRegistryCallback;
+import net.minecraft.client.particle.EmotionParticle.HeartFactory;
 import net.minecraft.client.render.entity.model.EntityModelLayer;
+import net.minecraft.screen.PlayerScreenHandler;
 import net.minecraft.util.Identifier;
 import net.solaara.beeyourself.transbee.TransBeeEntityModel;
 import net.solaara.beeyourself.transbee.TransBeeEntityRenderer;
+import net.solaara.beeyourself.transflagheart.TransFlagHeartParticle;
 
 @Environment(EnvType.CLIENT)
 public class BeeYourselfClient implements ClientModInitializer {
@@ -21,6 +26,9 @@ public void onInitializeClient() {
 					return new TransBeeEntityRenderer(context);
 				});
 
+		ParticleFactoryRegistry.getInstance().register(BeeYourself.TRANS_FLAG_HEART_PARTICLE,
+				TransFlagHeartParticle.Factory::new);
+
 		EntityModelLayerRegistry.register(MODEL_TRANSBEE_LAYER, TransBeeEntityModel::getTexturedModelData);
 	}
 

src/main/java/net/solaara/beeyourself/transbee/TransBeeEntity.java

@@ -76,9 +76,10 @@ public ActionResult interactMob(PlayerEntity player, Hand hand) {
 				double d = this.random.nextGaussian() * 0.2;
 				double e = this.random.nextGaussian() * 0.2;
 				double f = this.random.nextGaussian() * 0.2;
-				ModUtils.spawnForcedParticles((ServerWorld) world, ParticleTypes.HEART, this.getParticleX(1.0),
+				ModUtils.spawnForcedParticles((ServerWorld) world, BeeYourself.TRANS_FLAG_HEART_PARTICLE,
+						this.getParticleX(1.0),
 						this.getRandomBodyY() + 0.5,
-						this.getParticleZ(1.0), 7, d, e,
+						this.getParticleZ(1.0), 17, d, e,
 						f, 1);
 
 				this.setTarget(player);

src/main/java/net/solaara/beeyourself/transflagheart/TransFlagHeartParticle.java

@@ -0,0 +1,66 @@
+package net.solaara.beeyourself.transflagheart;
+
+import net.fabricmc.api.Environment;
+import net.fabricmc.api.EnvType;
+import net.minecraft.client.particle.Particle;
+import net.minecraft.client.particle.ParticleFactory;
+import net.minecraft.client.particle.ParticleTextureSheet;
+import net.minecraft.client.particle.SpriteBillboardParticle;
+import net.minecraft.client.particle.SpriteProvider;
+import net.minecraft.client.render.Tessellator;
+import net.minecraft.client.world.ClientWorld;
+import net.minecraft.particle.DefaultParticleType;
+import net.solaara.beeyourself.BeeYourself;
+
+@Environment(EnvType.CLIENT)
+public class TransFlagHeartParticle extends SpriteBillboardParticle {
+	// The sprite provider which is used to determine the particle's texture
+	private final SpriteProvider spriteProvider;
+	private final int variant;
+
+	TransFlagHeartParticle(ClientWorld world, double x, double y, double z, double velX, double velY, double velZ,
+			SpriteProvider spriteProvider) {
+		super(world, x, y, z);
+		this.spriteProvider = spriteProvider; // Sets the sprite provider from above to the sprite provider in the
+												// constructor parameters
+		this.x = x; // The x from the constructor parameters
+		this.y = y;
+		this.z = z;
+		this.alpha = 1.0f; // Setting the alpha to 1.0f means there will be no opacity change until the
+							// alpha value is changed
+		this.velocityMultiplier = 0.86F;
+		this.velocityX *= 0.01F;
+		this.velocityY *= 0.01F;
+		this.velocityZ *= 0.01F;
+		this.velocityY += 0.1;
+		this.scale *= 1.5F;
+		this.maxAge = 16;
+		this.collidesWithWorld = false;
+		this.setSpriteForAge(spriteProvider); // Required
+		this.variant = world.random.nextInt(1, 4);
+		var test = this.spriteProvider.getSprite(this.variant, this.variant);
+
+		BeeYourself.LOGGER.info("variant " + this.variant);
+		BeeYourself.LOGGER.info("variant " + test);
+	}
+
+	@Override
+	public ParticleTextureSheet getType() {
+		return ParticleTextureSheet.PARTICLE_SHEET_TRANSLUCENT;
+	}
+
+	@Environment(EnvType.CLIENT)
+	public static class Factory implements ParticleFactory<DefaultParticleType> {
+		// The factory used in a particle's registry
+		private final SpriteProvider spriteProvider;
+
+		public Factory(SpriteProvider spriteProvider) {
+			this.spriteProvider = spriteProvider;
+		}
+
+		public Particle createParticle(DefaultParticleType defaultParticleType, ClientWorld clientWorld, double x,
+				double y, double z, double velX, double velY, double velZ) {
+			return new TransFlagHeartParticle(clientWorld, x, y, z, velX, velY, velZ, this.spriteProvider);
+		}
+	}
+}

src/main/resources/assets/bee-yourself/particles/trans_flag_heart.json

@@ -0,0 +1,7 @@
+{
+  "textures": [
+    "bee-yourself:trans_flag_heart_1",
+    "bee-yourself:trans_flag_heart_2",
+    "bee-yourself:trans_flag_heart_3"
+  ]
+}