first commit

Minecraft.World/PlayGoal.cpp

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+#include "stdafx.h"
+#include "net.minecraft.world.entity.ai.control.h"
+#include "net.minecraft.world.entity.ai.util.h"
+#include "net.minecraft.world.entity.ai.navigation.h"
+#include "net.minecraft.world.entity.npc.h"
+#include "net.minecraft.world.entity.h"
+#include "net.minecraft.world.level.h"
+#include "net.minecraft.world.phys.h"
+#include "BasicTypeContainers.h"
+#include "PlayGoal.h"
+
+PlayGoal::PlayGoal(Villager *mob, float speed)
+{
+	followFriend = weak_ptr<Mob>();
+	wantedX = wantedY = wantedZ = 0.0;
+	playTime = 0;
+
+	this->mob = mob;
+	this->speed = speed;
+	setRequiredControlFlags(Control::MoveControlFlag);
+}
+
+bool PlayGoal::canUse()
+{
+	if (mob->getAge() >= 0) return false;
+	if (mob->getRandom()->nextInt(400) != 0) return false;
+
+	vector<shared_ptr<Entity> > *children = mob->level->getEntitiesOfClass(typeid(Villager), mob->bb->grow(6, 3, 6));
+	double closestDistSqr = Double::MAX_VALUE;
+	//for (Entity c : children)
+	for(AUTO_VAR(it, children->begin()); it != children->end(); ++it)
+	{
+		shared_ptr<Entity> c = *it;
+		if (c.get() == mob) continue;
+		shared_ptr<Villager> friendV = dynamic_pointer_cast<Villager>(c);
+		if (friendV->isChasing()) continue;
+		if (friendV->getAge() >= 0) continue;
+		double distSqr = friendV->distanceToSqr(mob->shared_from_this());
+		if (distSqr > closestDistSqr) continue;
+		closestDistSqr = distSqr;
+		followFriend = weak_ptr<Mob>(friendV);
+	}
+	delete children;
+
+	if (followFriend.lock() == NULL)
+	{
+		Vec3 *pos = RandomPos::getPos(dynamic_pointer_cast<PathfinderMob>(mob->shared_from_this()), 16, 3);
+		if (pos == NULL) return false;
+	}
+	return true;
+}
+
+bool PlayGoal::canContinueToUse()
+{
+	return playTime > 0 && followFriend.lock() != NULL;
+}
+
+void PlayGoal::start()
+{
+	if (followFriend.lock() != NULL) mob->setChasing(true);
+	playTime = 1000;
+}
+
+void PlayGoal::stop()
+{
+	mob->setChasing(false);
+	followFriend = weak_ptr<Mob>();
+}
+
+void PlayGoal::tick()
+{
+	--playTime;
+	if (followFriend.lock() != NULL)
+	{
+		if (mob->distanceToSqr(followFriend.lock()) > 2 * 2) mob->getNavigation()->moveTo(followFriend.lock(), speed);
+	}
+	else
+	{
+		if (mob->getNavigation()->isDone())
+		{
+			Vec3 *pos = RandomPos::getPos(dynamic_pointer_cast<PathfinderMob>(mob->shared_from_this()), 16, 3);
+			if (pos == NULL) return;
+			mob->getNavigation()->moveTo(pos->x, pos->y, pos->z, speed);
+		}
+	}
+}