/*
===========================================================================
Copyright (C) 2015 the OpenMoHAA team

This file is part of OpenMoHAA source code.

OpenMoHAA source code is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.

OpenMoHAA source code is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with OpenMoHAA source code; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
===========================================================================
*/

// sentient.h: Base class of entity that can carry other entities, and use weapons.
//

#ifndef __SENTIENT_H__
#define __SENTIENT_H__

#include "g_local.h"
#include "container.h"
#include "animate.h"
#include "vehicle.h"

#define LOCATION_MISS				-2
#define LOCATION_GENERAL			-1
#define LOCATION_HEAD				0
#define LOCATION_HELMET				1
#define LOCATION_NECK				2
#define LOCATION_TORSO_UPPER		3
#define LOCATION_TORSO_MID			4
#define LOCATION_TORSO_LOWER		5
#define LOCATION_PELVIS				6
#define LOCATION_R_ARM_UPPER		7
#define LOCATION_L_ARM_UPPER		8
#define LOCATION_R_LEG_UPPER		9
#define LOCATION_L_LEG_UPPER		10
#define LOCATION_R_ARM_LOWER		11
#define LOCATION_L_ARM_LOWER		12
#define LOCATION_R_LEG_LOWER		13
#define LOCATION_L_LEG_LOWER		14
#define LOCATION_R_HAND				15
#define LOCATION_L_HAND				16
#define LOCATION_R_FOOT				17
#define LOCATION_L_FOOT				18

extern Event EV_Sentient_Attack;
extern Event EV_Sentient_Charge;
extern Event EV_Sentient_ReleaseAttack;
extern Event EV_Sentient_GiveWeapon;
extern Event EV_Sentient_GiveAmmo;
extern Event EV_Sentient_GiveArmor;
extern Event EV_Sentient_GiveItem;
extern Event EV_Sentient_GiveTargetname;
extern Event EV_Sentient_GiveInventoryItem;
extern Event EV_Sentient_GiveHealth;
extern Event EV_Sentient_SetBloodModel;
extern Event EV_Sentient_UselessCheck;
extern Event EV_Sentient_TurnOffShadow;
extern Event EV_Sentient_TurnOnShadow;
extern Event EV_Sentient_UpdateOffsetColor;
extern Event EV_Sentient_JumpXY;
extern Event EV_Sentient_MeleeAttackStart;
extern Event EV_Sentient_MeleeAttackEnd;
extern Event EV_Sentient_BlockStart;
extern Event EV_Sentient_BlockEnd;
extern Event EV_Sentient_SetMouthAngle;
extern Event EV_Sentient_SpawnBloodyGibs;
extern Event EV_Sentient_StopOnFire;
extern Event EV_Sentient_UseItem;
extern Event EV_Sentient_UseLastWeapon;
extern Event EV_Sentient_UseWeaponClass;
extern Event EV_Sentient_ToggleItemUse;

// Shutup compiler
class Weapon;
class Item;
class InventoryItem;
class Ammo;
class Vehicle;
class VehicleTank;
class TurretGun;

#define MAX_ACTIVE_WEAPONS NUM_ACTIVE_WEAPONS
#define MAX_DAMAGE_MULTIPLIERS 19

#define TEAM_GERMAN		0
#define TEAM_AMERICAN	1

#define THREATBIAS_IGNOREME 0xFFFFE4C7

typedef SafePtr< Weapon > WeaponPtr;

class ActiveWeapon : public Class
   {
   public:
      WeaponPtr      weapon;
      weaponhand_t   hand;      
      ActiveWeapon();      
      void Archive( Archiver &arc );
   };

inline ActiveWeapon::ActiveWeapon
   (
   )

   {
   hand   = WEAPON_ERROR;
   }

inline void ActiveWeapon::Archive
   (
   Archiver &arc
   )

   {
   arc.ArchiveObjectPointer( ( Class ** )&weapon );
   ArchiveEnum( hand, weaponhand_t );
   }

class Sentient : public Animate
	{
	protected:
		Container<int> inventory;
		Container<Ammo *> ammo_inventory;
		float LMRF;
		WeaponPtr newWeapon;
		int poweruptype;
		int poweruptimer;
		Vector offset_color;
		Vector offset_delta;
		float offset_time;
		float charge_start_time;
		str blood_model;
		SafePtr<Weapon> activeWeaponList[ MAX_ACTIVE_WEAPONS ];
		ActiveWeapon newActiveWeapon;
		WeaponPtr holsteredWeapon;
		bool weapons_holstered_by_code;
		ActiveWeapon lastActiveWeapon;
		float m_fDamageMultipliers[ MAX_DAMAGE_MULTIPLIERS ];
		class SafePtr<Vehicle> m_pVehicle;
		SafePtr< TurretGun > m_pTurret;
		SafePtr< Entity > m_pLadder;
		str m_sHelmetSurface1;
		str m_sHelmetSurface2;
		str m_sHelmetTiki;
		float m_fHelmetSpeed;
		bool m_bDontDropWeapons;

		virtual void EventTake( Event *ev );
		virtual void EventFreeInventory( Event *ev );
		virtual void EventGiveAmmo( Event *ev );
		virtual void EventGiveItem( Event *ev );
		void SetBloodModel( Event *ev );
		virtual void EventGiveTargetname( Event *ev );

		void				EventGerman( Event *ev );
		void				EventAmerican( Event *ev );
		void				EventGetTeam( Event *ev );
		virtual void		ClearEnemies();
		void				EventGetThreatBias( Event *ev );
		void				EventSetThreatBias( Event *ev );
		void				SetDamageMult( Event *ev );
		void				SetupHelmet( str sHelmetTiki, float fSpeed, float fDamageMult, str sHelmetSurface1, str sHelmetSurface2 );
		void				EventSetupHelmet( Event *ev );
		void				EventPopHelmet( Event *ev );
		bool				WearingHelmet( void );
		int					CheckHitLocation( int iLocation );

		// Squad stuff
		bool				IsTeamMate( Sentient *pOther );
		void				JoinNearbySquads( float fJoinRadius = 1024.0f );
		void				MergeWithSquad( Sentient *pFriendly );
		void				DisbandSquadMate( Sentient *pExFriendly );
		bool				IsSquadMate( Sentient *pFriendly );

		virtual void ArmorDamage( Event *ev );
		virtual qboolean CanBlock( int meansofdeath, qboolean full_block );
		void			      AddBloodSpurt( Vector direction );
		qboolean				ShouldBleed( int meansofdeath, qboolean dead );
		qboolean				ShouldGib( int meansofdeath, float damage );
		str					GetBloodSpurtName( void );
		str					GetBloodSplatName( void );
		float					GetBloodSplatSize( void );
		str					GetGibName( void );
		virtual void TurnOffShadow( Event *ev );
		virtual void TurnOnShadow( Event *ev );
		virtual void WeaponKnockedFromHands( void );

		void		         UpdateOffsetColor( Event *ev );

		void              DetachAllActiveWeapons( void );
		void              AttachAllActiveWeapons( void );

		void              UpdateWeapons( void );
		qboolean          IsActiveWeapon( Weapon *weapon );
		void              ActivateWeapon( Weapon *weapon, weaponhand_t hand );
		void              ActivateNewWeapon( Event *ev );
		void              ActivateNewWeapon( void );
		void              DeactivateWeapon( Weapon *weapon );
		void              DeactivateWeapon( weaponhand_t hand );
		void              DeactivateWeapon( Event *ev );
		void				ActivateLastActiveWeapon( void );
		void              CheckAnimations( Event *ev );
		void				EventActivateLastActiveWeapon( Event *ev );
		void				EventDropItems( Event *ev );
		void				EventDontDropWeapons( Event *ev );
		void				EventUseItem( Event *ev );
		void				EventUseWeaponClass( Event *ev );
		void				EventToggleItem( Event *ev );
		void				ReloadWeapon( Event *ev );
		void				GetActiveWeap( Event *ev );
		void				GetNewActiveWeapon( Event *ev );

	public:
		Vector mTargetPos;
		float mAccuracy;
		SafePtr<Sentient> m_pNextSquadMate;
		SafePtr<Sentient> m_pPrevSquadMate;
		Sentient *m_NextSentient;
		Sentient *m_PrevSentient;
		int m_Team;
		int m_iAttackerCount;
		SafePtr<Entity> m_pLastAttacker;
		SafePtr<Sentient> m_Enemy;
		float m_fPlayerSightLevel;
		bool m_bIsDisguised;
		bool m_bHasDisguise;
		int m_ShowPapersTime;
		int m_iLastHitTime;
		int m_iThreatBias;
		Vector gunoffset;
		Vector eyeposition;
		int viewheight;
		Vector m_vViewVariation;
		int means_of_death;
		bool in_melee_attack;
		bool in_block;
		bool in_stun;
		bool on_fire;
		float on_fire_stop_time;
		float next_catch_on_fire_time;
		int on_fire_tagnums[ 3 ];
		SafePtr<Entity> fire_owner;
		bool attack_blocked;
		float attack_blocked_time;
		float max_mouth_angle;
		int max_gibs;
		float next_bleed_time;
		bool m_bFootOnGround_Right;
		bool m_bFootOnGround_Left;

		CLASS_PROTOTYPE( Sentient );

		Sentient();
		virtual				~Sentient();
		Vector				EyePosition( void );

		virtual Vector GunPosition( void );
		virtual Vector GunTarget( bool bNoCollision = false );
		void		         FireWeapon( Event *ev );
		void		         FireWeapon( int number, firemode_t mode );
		void		         StopFireWeapon( Event *ev );
		void		         ChargeWeapon( Event *ev );
		void		         ChargeWeapon( weaponhand_t hand, firemode_t mode );
		void		         ReleaseFireWeapon( Event *ev );
		void		         ReleaseFireWeapon( int number, firemode_t mode );
		void		         ChangeWeapon( Weapon *weapon, weaponhand_t hand );
		Weapon		      *GetActiveWeapon( weaponhand_t hand );
		Weapon		      *BestWeapon( Weapon *ignore = NULL, qboolean bGetItem = false, int iIgnoreClass = 0 );
		Weapon		      *WorstWeapon( Weapon *ignore = NULL, qboolean bGetItem = false, int iIgnoreClass = 0 );
		Weapon		      *NextWeapon( Weapon *weapon );
		Weapon		      *PreviousWeapon( Weapon *weapon );
		virtual void useWeapon( const char *weaponname, weaponhand_t hand );
		virtual void useWeapon( Weapon *weapon, weaponhand_t hand );
		qboolean          WeaponsOut( void );
		void              Holster( qboolean putaway );
		void              SafeHolster( qboolean putaway );
		bool              IsNewActiveWeapon( void );
		Weapon            *GetNewActiveWeapon( void );
		weaponhand_t      GetNewActiveWeaponHand( void );
		void              ClearNewActiveWeapon( void );
		int               NumWeapons( void );
		int               AmmoCount( str ammo_type );
		int               MaxAmmoCount( str ammo_type );
		int               AmmoIndex( str ammo_type );
		int               UseAmmo( str ammo_type, int amount );
		void              GiveAmmo( str type, int amount, int max_amount = -1 );
		Ammo              *FindAmmoByName( str name );
		Item              *giveItem( str itemname, int amount = 1 );
		void              takeItem( const char *itemname );
		void              takeAmmoType( const char *ammoname );
		void		         AddItem( Item *object );
		void		         RemoveItem( Item *object );
		void				RemoveWeapons( void );
		Weapon				*GetWeapon( int index );
		Item		         *FindItemByClassName( const char *classname );
		Item		         *FindItemByModelname( const char *modelname );
		Item              *FindItemByExternalName( const char *externalname );
		Item              *FindItem( const char *itemname );
		void		         FreeInventory( void );
		qboolean	         HasItem( const char *itemname );
		qboolean	         HasWeaponClass( int iWeaponClass );
		qboolean	         HasPrimaryWeapon( void );
		qboolean	         HasSecondaryWeapon( void );
		int               NumInventoryItems( void );
		Item              *NextItem( Item *item );
		Item              *PrevItem( Item *item );
		virtual void DropInventoryItems( void );
		void              ListInventory( void );

		bool				CanSee( Entity *ent, float fov, float vision_distance ) override;
		virtual void SetViewAngles( Vector angles );
		virtual Vector GetViewAngles( void );

		qboolean          PowerupActive( void );

		void setModel( const char *model ) override;
		void Archive( Archiver &arc ) override;
		void              ArchivePersistantData( Archiver &arc );
		void              DoubleArmor( void );
		virtual qboolean DoGib( int meansofdeath, Entity *inflictor );
		void              JumpXY( Event *ev );
		void              MeleeAttackStart( Event *ev );
		void              MeleeAttackEnd( Event *ev );
		void              BlockStart( Event *ev );
		void              BlockEnd( Event *ev );
		void              StunStart( Event *ev );
		void              StunEnd( Event *ev );
		void              SetAttackBlocked( bool blocked );
		void		         SetOffsetColor( float r, float g, float b, float time );
		virtual void ReceivedItem( Item * item );
		virtual void RemovedItem( Item * item );
		virtual void AmmoAmountChanged( Ammo * ammo, int inclip = 0 );
		void              AmmoAmountInClipChanged( str ammo_type, int amount );

		void				PutawayWeapon( Event *ev );
		void				WeaponCommand( Event *ev );
	
		VehicleTank			*GetVehicleTank( void );
	
		void				UpdateFootsteps( void );

		void					SetMaxMouthAngle( Event *ev );
		void					TryLightOnFire( int meansofdeath, Entity *attacker );
		void					OnFire( Event *ev );
		void					StopOnFire( Event *ev );
		void					SpawnBloodyGibs( Event *ev );
		void					SetMaxGibs( Event *ev );
		virtual void GetStateAnims( Container<const char *> *c );
		void              SpawnEffect( str modelname, Vector pos );
   };

inline bool Sentient::IsNewActiveWeapon
   (
   void 
   ) 
   
   { 
   return ( newActiveWeapon.weapon != NULL ); 
   }

inline weaponhand_t Sentient::GetNewActiveWeaponHand
   (
   void
   )
   
   {
   return newActiveWeapon.hand; 
   }

inline Weapon *Sentient::GetNewActiveWeapon
   (
   void
   )

   {
   return newActiveWeapon.weapon;
   }

inline void Sentient::ClearNewActiveWeapon
   (
   void 
   )

   {
	newActiveWeapon.weapon.Clear();
   newActiveWeapon.hand   = WEAPON_ERROR;
   }


typedef SafePtr<Sentient> SentientPtr;

extern Container<Sentient *> SentientList;

#endif /* sentient.h */