MinecraftConsoles/Minecraft.World/EnderDragon.h

#pragma once
using namespace std;
#include "BossMob.h"

class BossMobPart;
class EnderCrystal;
class Node;
class BinaryHeap;
class Path;

class EnderDragon : public BossMob
{
public:
	eINSTANCEOF GetType() { return eTYPE_ENDERDRAGON; };
	static Entity *create(Level *level) { return new EnderDragon(level); }

private:
	static const int DATA_ID_SYNCHED_HEALTH = 16;

	// 4J Added for new behaviours
	static const int DATA_ID_SYNCHED_ACTION = 17;

	static const int positionsLength = 64; // 4J Stu - Defined this so that we can keep the positions array as a basic type array
public:
	double xTarget, yTarget, zTarget;

	double positions[positionsLength][3];
	int posPointer;

	//BossMobPart[] subEntities;
	vector<std::shared_ptr<Entity> > subEntities;
	std::shared_ptr<BossMobPart> head;
	std::shared_ptr<BossMobPart> neck; // 4J Added
	std::shared_ptr<BossMobPart> body;
	std::shared_ptr<BossMobPart> tail1;
	std::shared_ptr<BossMobPart> tail2;
	std::shared_ptr<BossMobPart> tail3;
	std::shared_ptr<BossMobPart> wing1;
	std::shared_ptr<BossMobPart> wing2;

	float oFlapTime;
	float flapTime;
	bool newTarget;
	bool inWall;

	// 4J Stu - Added for new dragon behaviour
private:
	int m_fireballCharge;
	float m_holdingPatternAngle;
	bool m_holdingPatternClockwise;
	int m_actionTicks;
	int m_sittingDamageReceived;
	int m_remainingCrystalsCount;
	int m_flameAttacks;

	int m_iGrowlTimer;

	double m_headYRot;
	AABB *m_acidArea;

	NodeArray *m_nodes;
	int m_nodeAdjacency[24];
	BinaryHeap *openSet;
	Path *m_currentPath;

	enum EEnderdragonAction
	{
		e_EnderdragonAction_HoldingPattern,
		e_EnderdragonAction_StrafePlayer,
		e_EnderdragonAction_LandingApproach,
		e_EnderdragonAction_Landing,
		e_EnderdragonAction_Takeoff,
		e_EnderdragonAction_Sitting_Flaming,
		e_EnderdragonAction_Sitting_Scanning,
		e_EnderdragonAction_Sitting_Attacking,
	};

	static const int CRYSTAL_COUNT;

	static const int FLAME_TICKS;
	static const float FLAME_ANGLE;
	static const int FLAME_PASSES;
	static const int FLAME_FREQUENCY;
	static const int FLAME_RANGE;

	static const int ATTACK_TICKS;

	static const int SITTING_ATTACK_Y_VIEW_RANGE;
	static const int SITTING_ATTACK_VIEW_RANGE;
	static const int SITTING_ATTACK_RANGE;
	static const int SITTING_POST_ATTACK_IDLE_TICKS;
	static const int SITTING_SCANNING_IDLE_TICKS;
	static const int SITTING_FLAME_ATTACKS_COUNT;

	// The percentage of max health that the dragon will take while in the "Sitting" states before flying away
	static const float SITTING_ALLOWED_DAMAGE_PERCENTAGE;

	static const int PODIUM_X_POS = 0;
	static const int PODIUM_Z_POS = 0;

private:
	std::shared_ptr<Entity> attackTarget;

public:
	int dragonDeathTime;

public:
	std::shared_ptr<EnderCrystal> nearestCrystal;

private:
	void _init();

public:
	EnderDragon(Level *level);
	virtual ~EnderDragon();

protected:
	virtual void defineSynchedData();

public:
	void getLatencyPos(doubleArray result, int step, float a);
	virtual void aiStep();

private:
	using BossMob::hurt;

	void checkCrystals();
	void checkAttack();
	void knockBack(vector<std::shared_ptr<Entity> > *entities);
	void hurt(vector<std::shared_ptr<Entity> > *entities);
	void findNewTarget();
	float rotWrap(double d);
	bool checkWalls(AABB *bb);

public:
	virtual bool hurt(std::shared_ptr<BossMobPart> bossMobPart, DamageSource *source, int damage);

protected:
	virtual void tickDeath();

private:
	void spawnExitPortal(int x, int z);

protected:
	virtual void checkDespawn();
	virtual int getHurtSound();
public:
	virtual vector<std::shared_ptr<Entity> > *getSubEntities();
	virtual bool isPickable();
	virtual int getSynchedHealth();

private:
	// 4J added for new dragon behaviour
	bool setSynchedAction(EEnderdragonAction action, bool force = false);
	EEnderdragonAction getSynchedAction();
	int findClosestNode(double tX, double tY, double tZ);
	int findClosestNode();
	Path *findPath(int startIndex, int endIndex, Node *finalNode  = NULL);
	Path *reconstruct_path(Node *from, Node *to);

	void strafeAttackTarget();
	void navigateToNextPathNode();

public:
	virtual void addAdditonalSaveData(CompoundTag *entityTag);
	virtual void readAdditionalSaveData(CompoundTag *tag);

public:
	void handleCrystalDestroyed(DamageSource *source);

	float getTilt(float a);
	double getHeadYOffset(float a);
	double getHeadYRotDiff(float a);
	double getHeadPartYOffset(int partIndex, doubleArray bodyPos, doubleArray partPos);
	double getHeadPartYRotDiff(int partIndex, doubleArray bodyPos, doubleArray partPos);
	Vec3 *getHeadLookVector(float a);
};