/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program 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.

 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 */
/**************************************************************************
 *                                     様様様様様様様様様様様様様様様様様 *
 *                                             Nayma Software srl         *
 *                    e                -= We create much MORE than ALL =- *
 *        u-        z$$$c        '.    様様様様様様様様様様様様様様様様様 *
 *      .d"        d$$$$$b        "b.                                     *
 *   .z$*         d$$$$$$$L        ^*$c.                                  *
 *  #$$$.         $$$$$$$$$         .$$$" Project: Roasted Moths........  *
 *    ^*$b       4$$$$$$$$$F      .d$*"                                   *
 *      ^$$.     4$$$$$$$$$F     .$P"     Module:  GfxEngine.CPP........  *
 *        *$.    '$$$$$$$$$     4$P 4                                     *
 *     J   *$     "$$$$$$$"     $P   r    Author:  Giovanni Bajo........  *
 *    z$   '$$$P*4c.*$$$*.z@*R$$$    $.                                   *
 *   z$"    ""       #$F^      ""    '$c                                  *
 *  z$$beu     .ue="  $  "=e..    .zed$$c                                 *
 *      "#$e z$*"   .  `.   ^*Nc e$""                                     *
 *         "$$".  .r"   ^4.  .^$$"                                        *
 *          ^.@*"6L=\ebu^+C$"*b."                                         *
 *        "**$.  "c 4$$$  J"  J$P*"    OS:  [ ] DOS  [X] WIN95  [ ] PORT  *
 *            ^"--.^ 9$"  .--""      COMP:  [ ] WATCOM  [X] VISUAL C++    *
 *                    "                     [ ] EIFFEL  [ ] GCC/GXX/DJGPP *
 *                                                                        *
 * This source code is Copyright (C) Nayma Software.  ALL RIGHTS RESERVED *
 *                                                                        *
 **************************************************************************/

#ifndef TONY_GFXENGINE_H
#define TONY_GFXENGINE_H

#include "common/scummsys.h"
#include "common/system.h"
#include "common/rect.h"
#include "tony/mpal/memory.h"
#include "tony/game.h"
#include "tony/gfxcore.h"
#include "tony/input.h"
#include "tony/inventory.h"
#include "tony/tonychar.h"
#include "tony/utils.h"

namespace Tony {

class RMGfxEngine {
private:
    RMGfxTargetBuffer m_bigBuf;
	RMInput m_input;
	RMPointer m_point;
	RMLocation m_loc;
	RMOptionScreen m_opt;
	RMTony m_tony;
	RMInventory m_inv;
	RMInterface m_inter;
	RMTextItemName m_itemName;

	bool m_bOption;
	bool m_bLocationLoaded;

	bool m_bInput;
	bool m_bAlwaysDrawMouse;

	int m_nCurLoc;
	RMTonyAction m_curAction;
	int	m_curActionObj;
	OSystem::MutexRef csMainLoop;

	int m_nWipeType;
	HANDLE m_hWipeEvent;
	int m_nWipeStep;

	bool m_bMustEnterMenu;
protected:
	static void ItemIrq(uint32 dwItem, int nPattern, int nStatus);
	void InitForNewLocation(int nLoc, RMPoint ptTonyStart, RMPoint start);
public:
	bool m_bWiping;
	Common::Rect m_rcWipeEllipse;
	bool m_bGUIOption;
	bool m_bGUIInterface;
	bool m_bGUIInventory;
public:
    RMGfxEngine();
    virtual ~RMGfxEngine();

	// Draw the next frame
	void DoFrame(bool bDrawLocation);

	// Initialises the graphics engine
	void Init();

	// Closes the graphics engine
	void Close(void);

	// Warns when changing
	void SwitchFullscreen(bool bFull);

	// Warn that we are guided by the GDI
	void GDIControl(bool bCon);

	// Warns when entering or exits the options menu
	void OpenOptionScreen(int type);

	// Enables or disables mouse input
	void EnableInput(void);
	void DisableInput(void);

	// Enables and disables mouse draw
	void EnableMouse(void);
	void DisableMouse(void);

	operator byte *() { return (byte *)m_bigBuf; }

	// Link to the custom function list
	void InitCustomDll(void);

	// Link to graphic task
	void LinkGraphicTask(RMGfxTask *task) { m_bigBuf.AddPrim(new RMGfxPrimitive(task)); };

	// Manage a location
	HANDLE LoadLocation(int nLoc, RMPoint ptTonyStart, RMPoint start);
	HANDLE UnloadLocation(bool bDoOnExit=true);

	// Freeze and unfreeze
	void Freeze(void);
	void Unfreeze(void);

	// State management
	void SaveState(const char *fn, byte *curThumb, const char *name, bool bFastCompress = false);
	void LoadState(const char *fn);

	// Selects a location
	void SelectLocation(RMPoint ptTonyStart=RMPoint(-1,-1), RMPoint start=RMPoint(-1,-1));

	// Pauses sound
	void PauseSound(bool bPause);

	// Wipe
	void InitWipe(int type);
	void CloseWipe(void);
	void WaitWipeEnd(void);

	void SetPalesati(bool bpal) { m_inter.SetPalesati(bpal); }
};

} // End of namespace Tony

#endif