From b691c43c44ff180d10e7d4a9afc83b98551ff586 Mon Sep 17 00:00:00 2001
From: daoge_cmd <3523206925@qq.com>
Date: Sun, 1 Mar 2026 12:16:08 +0800
Subject: Initial commit

---
 Minecraft.World/Creeper.cpp | 169 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 169 insertions(+)
 create mode 100644 Minecraft.World/Creeper.cpp

(limited to 'Minecraft.World/Creeper.cpp')

diff --git a/Minecraft.World/Creeper.cpp b/Minecraft.World/Creeper.cpp
new file mode 100644
index 00000000..3f6c66a7
--- /dev/null
+++ b/Minecraft.World/Creeper.cpp
@@ -0,0 +1,169 @@
+#include "stdafx.h"
+#include "net.minecraft.world.level.h"
+#include "net.minecraft.world.level.tile.h"
+#include "net.minecraft.world.item.h"
+#include "net.minecraft.world.entity.h"
+#include "net.minecraft.world.entity.ai.goal.h"
+#include "net.minecraft.world.entity.ai.goal.target.h"
+#include "net.minecraft.world.entity.ai.navigation.h"
+#include "net.minecraft.world.entity.animal.h"
+#include "net.minecraft.world.entity.player.h"
+#include "net.minecraft.world.damagesource.h"
+#include "GeneralStat.h"
+#include "Skeleton.h"
+#include "Creeper.h"
+#include "Arrow.h"
+#include "..\Minecraft.Client\Textures.h"
+#include "SoundTypes.h"
+
+
+
+void Creeper::_init()
+{
+	swell = 0;
+	oldSwell = 0;
+}
+
+Creeper::Creeper(Level *level) : Monster( level )
+{
+	// 4J Stu - This function call had to be moved here from the Entity ctor to ensure that
+	// the derived version of the function is called
+	this->defineSynchedData();
+
+	// 4J Stu - This function call had to be moved here from the Entity ctor to ensure that the derived version of the function is called
+	health = getMaxHealth();
+
+	_init();
+	
+    this->textureIdx = TN_MOB_CREEPER;	// 4J was L"/mob/creeper.png";
+
+	goalSelector.addGoal(1, new FloatGoal(this));
+	goalSelector.addGoal(2, new SwellGoal(this));
+	goalSelector.addGoal(3, new AvoidPlayerGoal(this, typeid(Ozelot), 6, 0.25f, 0.30f));
+	goalSelector.addGoal(4, new MeleeAttackGoal(this, 0.25f, false));
+	goalSelector.addGoal(5, new RandomStrollGoal(this, 0.20f));
+	goalSelector.addGoal(6, new LookAtPlayerGoal(this, typeid(Player), 8));
+	goalSelector.addGoal(6, new RandomLookAroundGoal(this));
+
+	targetSelector.addGoal(1, new NearestAttackableTargetGoal(this, typeid(Player), 16, 0, true));
+	targetSelector.addGoal(2, new HurtByTargetGoal(this, false));
+}
+
+bool Creeper::useNewAi()
+{
+	return true;
+}
+
+int Creeper::getMaxHealth()
+{
+	return 20;
+}
+
+void Creeper::defineSynchedData()
+{
+    Monster::defineSynchedData();
+
+    entityData->define(DATA_SWELL_DIR, (byte) -1);
+    entityData->define(DATA_IS_POWERED, (byte) 0);
+}
+
+void Creeper::addAdditonalSaveData(CompoundTag *entityTag)
+{
+    Monster::addAdditonalSaveData(entityTag);
+    if (entityData->getByte(DATA_IS_POWERED) == 1) entityTag->putBoolean(L"powered", true);
+}
+
+void Creeper::readAdditionalSaveData(CompoundTag *tag)
+{
+    Monster::readAdditionalSaveData(tag);
+    entityData->set(DATA_IS_POWERED, (byte) (tag->getBoolean(L"powered") ? 1 : 0));
+}
+
+void Creeper::tick()
+{
+    oldSwell = swell;
+    if (isAlive())
+	{
+        int swellDir = getSwellDir();
+        if (swellDir > 0 && swell == 0)
+		{
+            level->playSound(shared_from_this(), eSoundType_RANDOM_FUSE, 1, 0.5f);
+        }
+        swell += swellDir;
+        if (swell < 0) swell = 0;
+		if (swell >= MAX_SWELL)
+		{
+			swell = MAX_SWELL;
+			if (!level->isClientSide)
+			{
+				bool destroyBlocks = true; //level.getGameRules().getBoolean(GameRules.RULE_MOBGRIEFING);
+				if (isPowered()) level->explode(shared_from_this(), x, y, z, 6, destroyBlocks);
+				else level->explode(shared_from_this(), x, y, z, 3,destroyBlocks);
+				remove();
+			}
+		}
+    }
+    Monster::tick();
+}
+
+int Creeper::getHurtSound()
+{
+    return eSoundType_MOB_CREEPER_HURT;
+}
+
+int Creeper::getDeathSound()
+{
+    return eSoundType_MOB_CREEPER_DEATH;
+}
+
+void Creeper::die(DamageSource *source)
+{
+    Monster::die(source);
+
+    if ( dynamic_pointer_cast<Skeleton>(source->getEntity()) != NULL )
+	{
+        spawnAtLocation(Item::record_01_Id + random->nextInt(12), 1);
+    }
+
+	shared_ptr<Player> player = dynamic_pointer_cast<Player>(source->getEntity());
+	if ( (dynamic_pointer_cast<Arrow>(source->getDirectEntity()) != NULL) && (player != NULL) )
+	{
+		player->awardStat(GenericStats::archer(), GenericStats::param_archer());
+	}
+}
+
+bool Creeper::doHurtTarget(shared_ptr<Entity> target)
+{
+	return true;
+}
+
+bool Creeper::isPowered()
+{
+    return entityData->getByte(DATA_IS_POWERED) == 1;
+}
+
+float Creeper::getSwelling(float a)
+{
+    return (oldSwell + (swell - oldSwell) * a) / (MAX_SWELL - 2);
+}
+
+int Creeper::getDeathLoot()
+{
+    return Item::sulphur->id;
+}
+
+int Creeper::getSwellDir()
+{
+    return (int) (char) entityData->getByte(DATA_SWELL_DIR);
+}
+
+void Creeper::setSwellDir(int dir)
+{
+    entityData->set(DATA_SWELL_DIR, (byte) dir);
+}
+
+void Creeper::thunderHit(const LightningBolt *lightningBolt) 
+{
+    Monster::thunderHit(lightningBolt);
+    entityData->set(DATA_IS_POWERED, (byte) 1);
+}
-- 
cgit v1.2.3