/*****************************************************************************
The Dark Mod GPL Source Code

This file is part of the The Dark Mod Source Code, originally based
on the Doom 3 GPL Source Code as published in 2011.

The Dark Mod 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 3 of the License,
or (at your option) any later version. For details, see LICENSE.TXT.

Project: The Dark Mod (http://www.thedarkmod.com/)

******************************************************************************/

#ifndef __GAME_PLAYERVIEW_H__
#define __GAME_PLAYERVIEW_H__

/*
===============================================================================

  Player view.

===============================================================================
*/

// screenBlob_t are for the on-screen damage claw marks, etc
typedef struct {
	const idMaterial *	material;
	float				x, y, w, h;
	float				s1, t1, s2, t2;
	int					finishTime;
	int					startFadeTime;
	float				driftAmount;
} screenBlob_t;

#define	MAX_SCREEN_BLOBS	8

class idPlayerView {
public:
						idPlayerView();

	void				Save( idSaveGame *savefile ) const;
	void				Restore( idRestoreGame *savefile );

	void				SetPlayerEntity( class idPlayer *playerEnt );

	void				ClearEffects( void );

	void				DamageImpulse( idVec3 localKickDir, const idDict *damageDef );

	void				WeaponFireFeedback( const idDict *weaponDef );

	idAngles			AngleOffset( void ) const;			// returns the current kick angle

	idMat3				ShakeAxis( void ) const;			// returns the current shake angle

	void				CalculateShake( void );

	// this may involve rendering to a texture and displaying
	// that with a warp model or in double vision mode
	void				RenderPlayerView( idUserInterface *hud );

	void				Fade( idVec4 color, int time );

	void				Flash( idVec4 color, int time );

	void				AddBloodSpray( float duration );

	// Events invoked by the engine on reloadImages or vid_restart
	void				OnReloadImages();
	void				OnVidRestart();

private:
	void				SingleView( idUserInterface *hud, const renderView_t *view, bool drawHUD = true);
	void				PeekView(const renderView_t *view); // grayman #4882
	void				DoubleVision( idUserInterface *hud, const renderView_t *view, int offset );
	void				BerserkVision( idUserInterface *hud, const renderView_t *view );
	void				InfluenceVision( idUserInterface *hud, const renderView_t *view );
	void				ScreenFade();

	screenBlob_t *		GetScreenBlob();

	screenBlob_t		screenBlobs[MAX_SCREEN_BLOBS];

	int					dvFinishTime;		// double vision will be stopped at this time
	const idMaterial *	dvMaterial;			// material to take the double vision screen shot

	int					kickFinishTime;		// view kick will be stopped at this time
	idAngles			kickAngles;			

	class dnImageWrapper
	{
	private:	
		// Changed const idStr to idStr, so that compiler can provide a default implementation for the assignment operator. 
		// E.g. copying contents of idPlayerView object to another would be impossible otherwise.
		idStr m_strImage;
		const idMaterial *m_matImage;

	public:
		dnImageWrapper( const char *a_strImage ) : 
		m_strImage			( a_strImage ),
		m_matImage			( declManager->FindMaterial(a_strImage) )
		{
		}
		ID_INLINE operator const char * () const
		{
			return m_strImage.c_str();
		}
		ID_INLINE operator const idMaterial *() const
		{
			return m_matImage;
		}
	};

	class dnPostProcessManager
	{
	private:
		/*int					m_iScreenHeight;
		int					m_iScreenWidth;
		int					m_iScreenHeightPowOf2;
		int					m_iScreenWidthPowOf2;
		float				m_fShiftScale_x;
		float				m_fShiftScale_y;

		int					m_nFramesToUpdateCookedData; // After these number of frames Cooked data will be updated. 0 means no update.

		bool				m_bForceUpdateOnCookedData;

		dnImageWrapper m_imageCurrentRender;
		dnImageWrapper m_imageBloom;
		
		// Every channel of this image will have a cooked mathematical data. 
		dnImageWrapper		m_imageCookedMath;
		const idMaterial*	m_matCookMath_pass1;
		const idMaterial*	m_matCookMath_pass2;

		const idMaterial *m_matBrightPass;
		const idMaterial *m_matGaussBlurX;
		const idMaterial *m_matGaussBlurY;

		const idMaterial *m_matFinalScenePass;*/

		int					m_ImageAnisotropyHandle;

	public:
		dnPostProcessManager();
		~dnPostProcessManager();

		// Methods
		//void Initialize	();					// This method should be invoked when idPlayerView::Restore is called.
		void Update		();						// Called Every Frame. 

		// Lets the cooked data update the next frame (if activated)
		//void ScheduleCookedDataUpdate	();

	private:
		// Following methods should not be called by any other object, but itself.
		void UpdateBackBufferParameters	();		
		void RenderDebugTextures		();		
		void UpdateCookedData			();
		void UpdateInteractionShader	(); 	// Chooses between the various VFP files according to the CVAR settings. Only call this if settings got changed.
		void Hook_BufferCommandText( cmdExecution_t a_eType, const char *a_pcText );	// Source Hook for idCmdSystem::BufferCommandText - JC.
	};

	dnPostProcessManager m_postProcessManager;

	const idMaterial *	tunnelMaterial;		// health tunnel vision
	const idMaterial *	bloodSprayMaterial; // blood spray
	const idMaterial *	lagoMaterial;		// lagometer drawing
	float				lastDamageTime;		// accentuate the tunnel effect for a while

	idVec4				fadeColor;			// fade color
	idVec4				fadeToColor;		// color to fade to
	idVec4				fadeFromColor;		// color to fade from
	float				fadeRate;			// fade rate
	int					fadeTime;			// fade time

	idAngles			shakeAng;			// from the sound sources

	idPlayer *			player;
	renderView_t		view;
};

#endif /* !__GAME_PLAYERVIEW_H__ */