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Bug
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Resolution: Unresolved
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None
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Minecraft 1.8-pre1, Minecraft 1.8, Minecraft 1.8.3, Minecraft 1.8.5, 1.19, 1.19.2, 1.19.3, 1.20.1, 1.20.2, 1.20.4, 1.21
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Confirmed
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Mob behaviour
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Low
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Platform
/summon minecraft:chicken ~1 ~ ~1 {NoAI:1b,EggLayTime:1}
Considering the mob should have no AI, eggs really should not appear.
Code Analysis
Code analysis done by Thumpbacker
Doing a check for the isNoAi() bool in the aiStep() method fixes this issue
Current Code
net/minecraft/world/entity/animal/Chicken.java
public void aiStep() { super.aiStep(); this.oFlap = this.flap; this.oFlapSpeed = this.flapSpeed; this.flapSpeed += (this.onGround ? -1.0F : 4.0F) * 0.3F; this.flapSpeed = Mth.clamp(this.flapSpeed, 0.0F, 1.0F); if (!this.onGround && this.flapping < 1.0F) { this.flapping = 1.0F; } this.flapping *= 0.9F; Vec3 vec3 = this.getDeltaMovement(); if (!this.onGround && vec3.y < 0.0D) { this.setDeltaMovement(vec3.multiply(1.0D, 0.6D, 1.0D)); } this.flap += this.flapping * 2.0F; if (!this.level.isClientSide && this.isAlive() && !this.isBaby() && !this.isChickenJockey() && --this.eggTime <= 0) { this.playSound(SoundEvents.CHICKEN_EGG, 1.0F, (this.random.nextFloat() - this.random.nextFloat()) * 0.2F + 1.0F); this.spawnAtLocation(Items.EGG); this.gameEvent(GameEvent.ENTITY_PLACE); this.eggTime = this.random.nextInt(6000) + 6000; } }
Fixed Code
net/minecraft/world/entity/animal/Chicken.java
public void aiStep() { super.aiStep(); this.oFlap = this.flap; this.oFlapSpeed = this.flapSpeed; this.flapSpeed += (this.onGround ? -1.0F : 4.0F) * 0.3F; this.flapSpeed = Mth.clamp(this.flapSpeed, 0.0F, 1.0F); if (!this.onGround && this.flapping < 1.0F) { this.flapping = 1.0F; } this.flapping *= 0.9F; Vec3 vec3 = this.getDeltaMovement(); if (!this.onGround && vec3.y < 0.0D) { this.setDeltaMovement(vec3.multiply(1.0D, 0.6D, 1.0D)); } this.flap += this.flapping * 2.0F; //Adding a check if the isNoAi bool fixes MC-69151 if (!this.level.isClientSide && this.isAlive() && !this.isBaby() && !this.isChickenJockey() && --this.eggTime <= 0 && !isNoAi()) { this.playSound(SoundEvents.CHICKEN_EGG, 1.0F, (this.random.nextFloat() - this.random.nextFloat()) * 0.2F + 1.0F); this.spawnAtLocation(Items.EGG); this.gameEvent(GameEvent.ENTITY_PLACE); this.eggTime = this.random.nextInt(6000) + 6000; } }
- is duplicated by
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- Resolved