Initial commit

1 files changed, 91 insertions, 0 deletions

diff --git a/Minecraft.World/ArrowAttackGoal.cpp b/Minecraft.World/ArrowAttackGoal.cpp
new file mode 100644
index 00000000..23a2d2ac
--- /dev/null
+++ b/Minecraft.World/ArrowAttackGoal.cpp
@@ -0,0 +1,91 @@
+#include "stdafx.h"
+#include "net.minecraft.world.entity.ai.control.h"
+#include "net.minecraft.world.entity.ai.navigation.h"
+#include "net.minecraft.world.entity.ai.sensing.h"
+#include "net.minecraft.world.entity.projectile.h"
+#include "net.minecraft.world.entity.h"
+#include "net.minecraft.world.level.h"
+#include "net.minecraft.world.phys.h"
+#include "SoundTypes.h"
+#include "ArrowAttackGoal.h"
+
+ArrowAttackGoal::ArrowAttackGoal(Mob *mob, float speed, int projectileType, int attackInterval)
+{
+	// 4J Init
+	target = weak_ptr<Mob>();
+	attackTime = 0;
+	seeTime = 0;
+
+	this->mob = mob;
+	this->level = mob->level;
+	this->speed = speed;
+	this->projectileType = projectileType;
+	this->attackInterval = attackInterval;
+	setRequiredControlFlags(Control::MoveControlFlag | Control::LookControlFlag);
+}
+
+bool ArrowAttackGoal::canUse()
+{
+	shared_ptr<Mob> bestTarget = mob->getTarget();
+	if (bestTarget == NULL) return false;
+	target = weak_ptr<Mob>(bestTarget);
+	return true;
+}
+
+bool ArrowAttackGoal::canContinueToUse()
+{
+	return target.lock() != NULL && (canUse() || !mob->getNavigation()->isDone());
+}
+
+void ArrowAttackGoal::stop()
+{
+	target = weak_ptr<Mob>();
+}
+
+void ArrowAttackGoal::tick()
+{
+	double attackRadiusSqr = 10 * 10;
+	shared_ptr<Mob> tar = target.lock();
+	double targetDistSqr = mob->distanceToSqr(tar->x, tar->bb->y0, tar->z);
+	bool canSee = mob->getSensing()->canSee(tar);
+
+	if (canSee)
+	{
+		++seeTime;
+	}
+	else seeTime = 0;
+
+	if (targetDistSqr > attackRadiusSqr || seeTime < 20) mob->getNavigation()->moveTo(tar, speed);
+	else mob->getNavigation()->stop();
+
+	mob->getLookControl()->setLookAt(tar, 30, 30);
+
+	attackTime = max(attackTime - 1, 0);
+	if (attackTime > 0) return;
+	if (targetDistSqr > attackRadiusSqr || !canSee) return;
+	fireAtTarget();
+	attackTime = attackInterval;
+}
+
+void ArrowAttackGoal::fireAtTarget()
+{
+	shared_ptr<Mob> tar = target.lock();
+	if (projectileType == ArrowType)
+	{
+		shared_ptr<Arrow> arrow = shared_ptr<Arrow>( new Arrow(level, dynamic_pointer_cast<Mob>(mob->shared_from_this()), tar, 1.60f, 12) );
+		level->playSound(mob->shared_from_this(), eSoundType_RANDOM_BOW, 1.0f, 1 / (mob->getRandom()->nextFloat() * 0.4f + 0.8f));
+		level->addEntity(arrow);
+	}
+	else if (projectileType == SnowballType)
+	{
+		shared_ptr<Snowball> snowball = shared_ptr<Snowball>( new Snowball(level, dynamic_pointer_cast<Mob>(mob->shared_from_this())) );
+		double xd = tar->x - mob->x;
+		double yd = (tar->y + tar->getHeadHeight() - 1.1f) - snowball->y;
+		double zd = tar->z - mob->z;
+		float yo = sqrt(xd * xd + zd * zd) * 0.2f;
+		snowball->shoot(xd, yd + yo, zd, 1.60f, 12);
+
+		level->playSound(mob->shared_from_this(), eSoundType_RANDOM_BOW, 1.0f, 1 / (mob->getRandom()->nextFloat() * 0.4f + 0.8f));
+		level->addEntity(snowball);
+	}
+}
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