first commit

Minecraft.World/RandomStrollGoal.cpp

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+#include "stdafx.h"
+#include "net.minecraft.world.entity.h"
+#include "net.minecraft.world.entity.ai.control.h"
+#include "net.minecraft.world.entity.ai.navigation.h"
+#include "net.minecraft.world.entity.ai.util.h"
+#include "net.minecraft.world.phys.h"
+#include "SharedConstants.h"
+#include "RandomStrollGoal.h"
+
+RandomStrollGoal::RandomStrollGoal(PathfinderMob *mob, float speed)
+{
+	this->mob = mob;
+	this->speed = speed;
+	setRequiredControlFlags(Control::MoveControlFlag | Control::LookControlFlag);
+}
+
+bool RandomStrollGoal::canUse()
+{
+	// 4J - altered a little so we can do some more random strolling when appropriate, to try and move any animals that aren't confined to a fenced-off region far enough to determine we can despawn them
+	if (mob->getNoActionTime() < SharedConstants::TICKS_PER_SECOND * 5)
+	{
+		if (mob->getRandom()->nextInt(120) == 0)
+		{
+			Vec3 *pos = RandomPos::getPos(dynamic_pointer_cast<PathfinderMob>(mob->shared_from_this()), 10, 7);
+			if (pos == NULL) return false;
+			wantedX = pos->x;
+			wantedY = pos->y;
+			wantedZ = pos->z;
+			return true;
+		}
+	}
+	else
+	{
+		// This entity wouldn't normally be randomly strolling. However, if our management system says that it should do, then do. Don't
+		// bother waiting for random conditions to be met before picking a direction though as the point here is to see if it is possible to
+		// stroll out of a given area and so waiting around is just wasting time
+
+		if( mob->isExtraWanderingEnabled() )
+		{
+			Vec3 *pos = RandomPos::getPos(dynamic_pointer_cast<PathfinderMob>(mob->shared_from_this()), 10, 7,mob->getWanderingQuadrant());
+			if (pos == NULL) return false;
+			wantedX = pos->x;
+			wantedY = pos->y;
+			wantedZ = pos->z;
+			return true;
+		}
+
+	}
+	return false;
+}
+
+bool RandomStrollGoal::canContinueToUse()
+{
+	return !mob->getNavigation()->isDone();
+}
+
+void RandomStrollGoal::start()
+{
+	mob->getNavigation()->moveTo(wantedX, wantedY, wantedZ, speed);
+}