first commit

Minecraft.World/EnderDragon.h

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+#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<shared_ptr<Entity> > subEntities;
+	shared_ptr<BossMobPart> head;
+	shared_ptr<BossMobPart> neck; // 4J Added
+	shared_ptr<BossMobPart> body;
+	shared_ptr<BossMobPart> tail1;
+	shared_ptr<BossMobPart> tail2;
+	shared_ptr<BossMobPart> tail3;
+	shared_ptr<BossMobPart> wing1;
+	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:
+	shared_ptr<Entity> attackTarget;
+
+public:
+	int dragonDeathTime;
+
+public:
+	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<shared_ptr<Entity> > *entities);
+	void hurt(vector<shared_ptr<Entity> > *entities);
+	void findNewTarget();
+	float rotWrap(double d);
+	bool checkWalls(AABB *bb);
+
+public:
+	virtual bool hurt(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<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);
+};