Initial commit

1 files changed, 152 insertions, 0 deletions

diff --git a/Minecraft.World/ControlledByPlayerGoal.cpp b/Minecraft.World/ControlledByPlayerGoal.cpp
new file mode 100644
index 00000000..1e035494
--- /dev/null
+++ b/Minecraft.World/ControlledByPlayerGoal.cpp
@@ -0,0 +1,152 @@
+#include "stdafx.h"
+#include "net.minecraft.world.entity.h"
+#include "net.minecraft.world.entity.ai.control.h"
+#include "net.minecraft.world.entity.player.h"
+#include "net.minecraft.world.item.h"
+#include "net.minecraft.world.level.h"
+#include "net.minecraft.world.level.tile.h"
+#include "net.minecraft.world.level.pathfinder.h"
+#include "ControlledByPlayerGoal.h"
+
+ControlledByPlayerGoal::ControlledByPlayerGoal(Mob *mob, float maxSpeed, float walkSpeed)
+{
+	this->mob = mob;
+	this->maxSpeed = maxSpeed;
+	this->walkSpeed = walkSpeed;
+	speed = 0;
+	boosting = false;
+	boostTime = 0;
+	boostTimeTotal = 0;
+	setRequiredControlFlags(Control::MoveControlFlag | Control::JumpControlFlag | Control::LookControlFlag);
+}
+
+void ControlledByPlayerGoal::start()
+{
+	speed = 0;
+
+	// 4J Stu - Need to initialise this otherwise the pig will never move if you jump on before another goal has made it move and set the speed
+	if(mob->getSpeed() < walkSpeed) mob->setSpeed(walkSpeed);
+}
+
+void ControlledByPlayerGoal::stop()
+{
+	boosting = false;
+	speed = 0;
+}
+
+bool ControlledByPlayerGoal::canUse()
+{
+	shared_ptr<Player> player = dynamic_pointer_cast<Player>( mob->rider.lock() );
+	return mob->isAlive() && player && (boosting || mob->canBeControlledByRider());
+}
+
+void ControlledByPlayerGoal::tick()
+{
+	shared_ptr<Player> player = dynamic_pointer_cast<Player>(mob->rider.lock());
+	PathfinderMob *pig = (PathfinderMob *)mob;
+
+	float yrd = Mth::wrapDegrees(player->yRot - mob->yRot) * 0.5f;
+	if (yrd > 5) yrd = 5;
+	if (yrd < -5) yrd = -5;
+
+	mob->yRot = Mth::wrapDegrees(mob->yRot + yrd);
+	if (speed < maxSpeed) speed += (maxSpeed - speed) * 0.01f;
+	if (speed > maxSpeed) speed = maxSpeed;
+
+	int x = Mth::floor(mob->x);
+	int y = Mth::floor(mob->y);
+	int z = Mth::floor(mob->z);
+	float moveSpeed = speed;
+	if (boosting)
+	{
+		if (boostTime++ > boostTimeTotal)
+		{
+			boosting = false;
+		}
+		moveSpeed += moveSpeed * 1.15f * Mth::sin((float) boostTime / boostTimeTotal * PI);
+	}
+
+	float friction = 0.91f;
+	if (mob->onGround)
+	{
+		friction = 0.6f * 0.91f;
+		int t = mob->level->getTile(x,y,z);
+		if (t > 0)
+		{
+			friction = Tile::tiles[t]->friction * 0.91f;
+		}
+	}
+	float friction2 = (0.6f * 0.6f * 0.91f * 0.91f * 0.6f * 0.91f) / (friction * friction * friction);
+	float sin = Mth::sin(pig->yRot * PI / 180);
+	float cos = Mth::cos(pig->yRot * PI / 180);
+	float aproxSpeed = pig->getSpeed() * friction2;
+	float dist = max((int)moveSpeed, 1);
+	dist = aproxSpeed / dist;
+	float normMoveSpeed = moveSpeed * dist;
+	float xa = -(normMoveSpeed * sin);
+	float za = normMoveSpeed * cos;
+
+	if (Mth::abs(xa) > Mth::abs(za))
+	{
+		if (xa < 0) xa -= mob->bbWidth / 2.0f;
+		if (xa > 0) xa += mob->bbWidth / 2.0f;
+		za = 0;
+	}
+	else
+	{
+		xa = 0;
+		if (za < 0) za -= mob->bbWidth / 2.0f;
+		if (za > 0) za += mob->bbWidth / 2.0f;
+	}
+
+	int xt = Mth::floor(mob->x + xa);
+	int zt = Mth::floor(mob->z + za);
+
+	Node *size = new Node(Mth::floor(mob->bbWidth + 1), Mth::floor(mob->bbHeight + player->bbHeight + 1), Mth::floor(mob->bbWidth + 1));
+
+	if (x != xt || z != zt)
+	{
+		if (PathFinder::isFree(mob, xt, y, zt, size, false, false, true) == PathFinder::TYPE_BLOCKED
+			&& PathFinder::isFree(mob, x, y + 1, z, size, false, false, true) == PathFinder::TYPE_OPEN
+			&& PathFinder::isFree(mob, xt, y + 1, zt, size, false, false, true) == PathFinder::TYPE_OPEN)
+		{
+			pig->getJumpControl()->jump();
+		}
+	}
+
+	if (!player->abilities.instabuild && speed >= maxSpeed * 0.5f && mob->getRandom()->nextFloat() < 0.006f && !boosting)
+	{
+		shared_ptr<ItemInstance> carriedItem = player->getCarriedItem();
+
+		if (carriedItem != NULL && carriedItem->id == Item::carrotOnAStick_Id)
+		{
+			carriedItem->hurt(1, player);
+
+			if (carriedItem->count == 0)
+			{
+				shared_ptr<ItemInstance> replacement = shared_ptr<ItemInstance>(new ItemInstance(Item::fishingRod));
+				replacement->setTag(carriedItem->tag);
+				player->inventory->items[player->inventory->selected] = replacement;
+			}
+		}
+	}
+
+	mob->travel(0, moveSpeed);
+}
+
+bool ControlledByPlayerGoal::isBoosting()
+{
+	return boosting;
+}
+
+void ControlledByPlayerGoal::boost()
+{
+	boosting = true;
+	boostTime = 0;
+	boostTimeTotal = mob->getRandom()->nextInt(MAX_BOOST_TIME + MIN_BOOST_TIME + 1) + MIN_BOOST_TIME;
+}
+
+bool ControlledByPlayerGoal::canBoost()
+{
+	return !isBoosting() && speed > maxSpeed * 0.3f;
+}
\ No newline at end of file