first commit

Minecraft.World/Spider.cpp

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+#include "stdafx.h"
+#include "net.minecraft.world.h"
+#include "net.minecraft.world.level.h"
+#include "net.minecraft.world.item.h"
+#include "net.minecraft.world.entity.item.h"
+#include "net.minecraft.world.entity.player.h"
+#include "net.minecraft.world.effect.h"
+#include "net.minecraft.world.entity.h"
+#include "com.mojang.nbt.h"
+#include "Spider.h"
+#include "..\Minecraft.Client\Textures.h"
+#include "SoundTypes.h"
+
+
+
+Spider::Spider(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();
+
+	this->textureIdx = TN_MOB_SPIDER; // 4J was L"/mob/spider.png";
+	this->setSize(1.4f, 0.9f);
+	runSpeed = 0.8f;
+}
+
+void Spider::defineSynchedData()
+{
+	Monster::defineSynchedData();
+
+	entityData->define(DATA_FLAGS_ID, (byte) 0);
+}
+
+void Spider::tick()
+{
+	Monster::tick();
+
+	if (!level->isClientSide)
+	{
+		// this is to synchronize the spiders' climb state
+		// in multiplayer (to stop them from "flashing")
+		setClimbing(horizontalCollision);
+	}
+}
+
+int Spider::getMaxHealth()
+{
+	return 16;
+}
+
+double Spider::getRideHeight()
+{
+	return bbHeight * 0.75 - 0.5f;
+}
+
+bool Spider::makeStepSound()
+{
+	return false;
+}
+
+shared_ptr<Entity> Spider::findAttackTarget()
+{
+#ifndef _FINAL_BUILD
+#ifdef _DEBUG_MENUS_ENABLED
+	if(app.GetMobsDontAttackEnabled())
+	{
+		return shared_ptr<Player>();
+	}
+#endif
+#endif
+
+	float br = getBrightness(1);
+	if (br < 0.5f)
+	{
+		double maxDist = 16;
+		return level->getNearestAttackablePlayer(shared_from_this(), maxDist);
+	}
+	return shared_ptr<Entity>();
+}
+
+int Spider::getAmbientSound()
+{
+	return eSoundType_MOB_SPIDER_AMBIENT;
+}
+
+int Spider::getHurtSound()
+{
+	return eSoundType_MOB_SPIDER_AMBIENT;
+}
+
+int Spider::getDeathSound()
+{
+	return eSoundType_MOB_SPIDER_DEATH;
+}
+
+void Spider::checkHurtTarget(shared_ptr<Entity> target, float d) 
+{
+	float br = getBrightness(1);
+	if (br > 0.5f && random->nextInt(100) == 0)
+	{
+		this->attackTarget = nullptr;
+		return;
+	}
+
+	if (d > 2 && d < 6 && random->nextInt(10) == 0)
+	{
+		if (onGround) 
+		{
+			double xdd = target->x - x;
+			double zdd = target->z - z;
+			float dd = (float) sqrt(xdd * xdd + zdd * zdd);
+			xd = (xdd / dd * 0.5f) * 0.8f + xd * 0.2f;
+			zd = (zdd / dd * 0.5f) * 0.8f + zd * 0.2f;
+			yd = 0.4f;
+		}
+	} 
+	else
+	{
+		Monster::checkHurtTarget(target, d);
+	}
+}
+
+int Spider::getDeathLoot()
+{
+	return Item::string->id;
+}
+
+void Spider::dropDeathLoot(bool wasKilledByPlayer, int playerBonusLevel)
+{
+	Monster::dropDeathLoot(wasKilledByPlayer, playerBonusLevel);
+
+	if (wasKilledByPlayer && (random->nextInt(3) == 0 || random->nextInt(1 + playerBonusLevel) > 0))
+	{
+		spawnAtLocation(Item::spiderEye_Id, 1);
+	}
+}
+
+/**
+ * The the spiders act as if they're always on a ladder, which enables them
+ * to climb walls.
+ */
+
+bool Spider::onLadder() 
+{
+	return isClimbing();
+}
+	
+void Spider::makeStuckInWeb()
+{
+	// do nothing - spiders don't get stuck in web
+}
+
+float Spider::getModelScale()
+{
+	return 1.0f;
+}
+
+MobType Spider::getMobType()
+{
+	return ARTHROPOD;
+}
+
+bool Spider::canBeAffected(MobEffectInstance *newEffect)
+{
+	if (newEffect->getId() == MobEffect::poison->id)
+	{
+		return false;
+	}
+	return Monster::canBeAffected(newEffect);
+}
+
+bool Spider::isClimbing()
+{
+	return (entityData->getByte(DATA_FLAGS_ID) & 0x1) != 0;
+}
+
+void Spider::setClimbing(bool value)
+{
+	byte flags = entityData->getByte(DATA_FLAGS_ID);
+	if (value)
+	{
+		flags |= 0x1;
+	}
+	else
+	{
+		flags &= ~0x1;
+	}
+	entityData->set(DATA_FLAGS_ID, flags);
+}