//========= Copyright (c) 1996-2002, Valve LLC, All rights reserved. ============
//
// Purpose: 
//
// $NoKeywords: $
//=============================================================================

#pragma once
#if !defined(HUD_SPECTATOR_H)
#define HUD_SPECTATOR_H

#include "cl_entity.h"
#include "interpolation.h"

#define INSET_OFF			0
#define	INSET_CHASE_FREE		1
#define	INSET_IN_EYE			2
#define	INSET_MAP_FREE			3
#define	INSET_MAP_CHASE			4

#define MAX_SPEC_HUD_MESSAGES		8

#define OVERVIEW_TILE_SIZE		128		// don't change this
#define OVERVIEW_MAX_LAYERS		1

extern void VectorAngles( const float *forward, float *angles );
extern "C" void NormalizeAngles( float *angles );

//-----------------------------------------------------------------------------
// Purpose: Handles the drawing of the spectator stuff (camera & top-down map and all the things on it )
//-----------------------------------------------------------------------------

typedef struct overviewInfo_s
{
	char		map[64];	// cl.levelname or empty
	vec3_t		origin;		// center of map
	float		zoom;		// zoom of map images
	int		layers;		// how may layers do we have
	float		layersHeights[OVERVIEW_MAX_LAYERS];
	char		layersImages[OVERVIEW_MAX_LAYERS][255];
	qboolean	rotated;	// are map images rotated (90 degrees) ?

	int		insetWindowX;
	int		insetWindowY;
	int		insetWindowHeight;
	int		insetWindowWidth;
} overviewInfo_t;

typedef struct overviewEntity_s
{
	HSPRITE					hSprite;
	struct cl_entity_s *	entity;
	double					killTime;
} overviewEntity_t;

typedef struct cameraWayPoint_s
{
	float	time;
	vec3_t	position;
	vec3_t	angle;
	float	fov;
	int	flags;
} cameraWayPoint_t;

#define	 MAX_OVERVIEW_ENTITIES		128
#define	 MAX_CAM_WAYPOINTS		32

class CHudSpectator : public CHudBase
{
public:
	void Reset();
	int  ToggleInset( bool allowOff );
	void CheckSettings();
	void InitHUDData( void );
	bool AddOverviewEntityToList( HSPRITE sprite, cl_entity_t * ent, double killTime );
	void DeathMessage( int victim );
	bool AddOverviewEntity( int type, struct cl_entity_s *ent, const char *modelname );
	void CheckOverviewEntities();
	void DrawOverview();
	void DrawOverviewEntities();
	void GetMapPosition( float *returnvec );
	void DrawOverviewLayer();
	void LoadMapSprites();
	bool ParseOverviewFile();
	bool IsActivePlayer( cl_entity_t *ent );
	void SetModes( int iMainMode, int iInsetMode );
	void HandleButtonsDown( int ButtonPressed );
	void HandleButtonsUp( int ButtonPressed );
	void FindNextPlayer( bool bReverse );
	void FindPlayer( const char *name );
	void DirectorMessage( int iSize, void *pbuf );
	void SetSpectatorStartPosition();
	int Init();
	int VidInit();

	int Draw( float flTime );

	void	AddWaypoint( float time, vec3_t pos, vec3_t angle, float fov, int flags );
	void	SetCameraView( vec3_t pos, vec3_t angle, float fov );
	float	GetFOV();
	bool	GetDirectorCamera( vec3_t &position, vec3_t &angle );
	void	SetWayInterpolation( cameraWayPoint_t *prev, cameraWayPoint_t *start, cameraWayPoint_t *end, cameraWayPoint_t *next );


	int m_iDrawCycle;
	client_textmessage_t	m_HUDMessages[MAX_SPEC_HUD_MESSAGES];
	char			m_HUDMessageText[MAX_SPEC_HUD_MESSAGES][128];
	int			m_lastHudMessage;
	overviewInfo_t		m_OverviewData;
	overviewEntity_t	m_OverviewEntities[MAX_OVERVIEW_ENTITIES];
	int			m_iObserverFlags;
	int			m_iSpectatorNumber;

	float			m_mapZoom;		// zoom the user currently uses
	vec3_t			m_mapOrigin;	// origin where user rotates around
	cvar_t			*m_drawnames;
	cvar_t			*m_drawcone;
	cvar_t			*m_drawstatus;
	cvar_t			*m_autoDirector;
	cvar_t			*m_pip;

	qboolean			m_chatEnabled;

	qboolean			m_IsInterpolating;
	int				m_ChaseEntity;	// if != 0, follow this entity with viewangles
	int				m_WayPoint;	// current waypoint 1
	int				m_NumWayPoints;	// current number of waypoints
	vec3_t				m_cameraOrigin;	// a help camera
	vec3_t				m_cameraAngles;	// and it's angles
	CInterpolation			m_WayInterpolation;

private:
	vec3_t		m_vPlayerPos[MAX_PLAYERS];
	HSPRITE		m_hsprPlayerBlue;
	HSPRITE		m_hsprPlayerRed;
	HSPRITE		m_hsprPlayer;
	HSPRITE		m_hsprCamera;
	HSPRITE		m_hsprPlayerDead;
	HSPRITE		m_hsprViewcone;
	HSPRITE		m_hsprUnkownMap;
	HSPRITE		m_hsprBeam;
	HSPRITE		m_hCrosshair;

	wrect_t		m_crosshairRect;

	struct model_s	*m_MapSprite;	// each layer image is saved in one sprite, where each tile is a sprite frame
	float		m_flNextObserverInput;
	float		m_FOV;
	float		m_zoomDelta;
	float		m_moveDelta;
	int		m_lastPrimaryObject;
	int		m_lastSecondaryObject;
	cameraWayPoint_t	m_CamPath[MAX_CAM_WAYPOINTS];
};
#endif // SPECTATOR_H