path: root/engines/tony/font.h

/* 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
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 * 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.
 *
 */
/**************************************************************************
 *                                     ���������������������������������� *
 *                                             Nayma Software srl         *
 *                    e                -= We create much MORE than ALL =- *
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 *      .d"        d$$$$$b        "b.                                     *
 *   .z$*         d$$$$$$$L        ^*$c.                                  *
 *  #$$$.         $$$$$$$$$         .$$$" Project: Roasted Moths........  *
 *    ^*$b       4$$$$$$$$$F      .d$*"                                   *
 *      ^$$.     4$$$$$$$$$F     .$P"     Module:  Font.CPP.............  *
 *        *$.    '$$$$$$$$$     4$P 4                                     *
 *     J   *$     "$$$$$$$"     $P   r    Author:  Giovanni Bajo........  *
 *    z$   '$$$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_FONT_H
#define TONY_FONT_H

#include "common/system.h"
#include "common/coroutines.h"
#include "tony/gfxcore.h"
#include "tony/resid.h"

namespace Tony {

class RMInput;
class RMInventory;
class RMItem;
class RMLoc;
class RMLocation;
class RMPointer;

/**
 * Gestisce un font, in cui ha varie surface per ogni lettera
 */
class RMFont : public RMGfxTaskSetPrior {
protected:
    int nLetters;
    RMGfxSourceBuffer8RLEByte *m_letter;
public:
    int m_fontDimx,m_fontDimy;

private:
    int m_dimx,m_dimy;

    class RMFontPrimitive : public RMGfxPrimitive {
    public:
        RMFontPrimitive() : RMGfxPrimitive() {}
        RMFontPrimitive(RMGfxTask *task) : RMGfxPrimitive(task) {}
		virtual ~RMFontPrimitive() { }
        virtual RMGfxPrimitive *Duplicate() { return new RMFontPrimitive(*this); }

        int m_nChar;
    };

protected:
    // Caricamento del font
    void Load(uint32 resID, int nChars, int dimx, int dimy, uint32 palResID = RES_F_PAL);
    void Load(const byte *buf, int nChars, int dimx, int dimy, uint32 palResID = RES_F_PAL);

    // Scaricamente del font (anche da distruttore)
    void Unload(void);

protected:
    // Conversione (da overloadare)
    virtual int ConvertToLetter(int nChar) = 0;

    // Lunghezza dei caratteri (da overloadare)
    virtual int LetterLength(int nChar, int nNext=0) = 0;

public:
    virtual int LetterHeight(void) = 0;

public:
    RMFont();
    virtual ~RMFont();

    // Inizializzazione e chiusura 
    virtual void Init(void) = 0;
    virtual void Close(void);

    // Funzione del task da overloadare
    void Draw(RMGfxTargetBuffer &bigBug, RMGfxPrimitive *prim);

    // Crea una primitiva per una lettera
    RMGfxPrimitive *MakeLetterPrimitive(byte bChar, int& nLength);

    // Lunghezza in pixel di una stringa con il font corrente
    int StringLen(RMString text);
    int StringLen(char bChar, char bNext=0);
};


class RMFontColor : public virtual RMFont {
private:
    byte m_r,m_g,m_b;

public:
    RMFontColor();
	virtual ~RMFontColor();
    virtual void SetBaseColor(byte r, byte g, byte b);
};


class RMFontWithTables : public virtual RMFont {
protected:
    int cTable[256];
    int lTable[256];
    int lDefault;
    int hDefault;
    signed char l2Table[256][256];

protected:
    // Overload dei metodi
    int ConvertToLetter(int nChar) { return cTable[nChar]; }
    int LetterLength(int nChar, int nNext=0) { return (nChar!=-1 ? lTable[nChar]+l2Table[nChar][nNext] : lDefault); }
    
public:
    int LetterHeight() { return hDefault; }
	virtual ~RMFontWithTables() {}
};


class RMFontParla : public RMFontColor, public RMFontWithTables {
public:
    void Init(void);
	virtual ~RMFontParla() {}
};

class RMFontObj : public RMFontColor, public RMFontWithTables {
private:
    void SetBothCase(int nChar, int nNext, signed char spiazz);

public:
    void Init(void);
	virtual ~RMFontObj() {}
};

class RMFontMacc : public RMFontColor, public RMFontWithTables {
public:
    void Init(void);
	virtual ~RMFontMacc() {}
};

class RMFontCredits : public RMFontColor, public RMFontWithTables {
public:
    void Init(void);
	virtual ~RMFontCredits() {}
    virtual void SetBaseColor(byte r, byte g, byte b) {}
};

/**
 * Gestisce una scritta su schermo, con tutte le possibilita' di formattazione disponibile
 */
class RMText : public RMGfxWoodyBuffer {
private:
    static RMFontColor *m_fonts[4];
    static RMGfxClearTask m_clear;
	static OSystem::MutexRef m_cs;
    int maxLineLength;

public:
    enum HORALIGN {
		HLEFT,
		HLEFTPAR,
		HCENTER,
		HRIGHT
    };

    enum VERALIGN {
		VTOP,
		VCENTER,
		VBOTTOM
    };

private:
	HORALIGN aHorType;
    VERALIGN aVerType;
    byte m_r,m_g,m_b;

protected:
    virtual void ClipOnScreen(RMGfxPrimitive* prim);

public:
    RMText();
    virtual ~RMText();
	static void Unload();

    // Setta il tipo di allineamento
    void SetAlignType(HORALIGN aHor, VERALIGN aVer) { aHorType=aHor; aVerType=aVer; }
    
    // Setta la lunghezza massima di una linea in pixel (utilizzato per formattare il testo)
    void SetMaxLineLength(int max);

    // Scrive un testo
    void WriteText(RMString text, int font, int *time = NULL);
    void WriteText(RMString text, RMFontColor* font, int *time = NULL);

    // Overloading della funzione ereditata da RMGfxTask per decidere
    // quando eliminare un oggetto dalla OTLIST
    virtual bool RemoveThis(void);

    // Overloading del Draw per centrare la scritta, se necessario
    virtual void Draw(RMGfxTargetBuffer& bigBuf, RMGfxPrimitive* prim);

    // Setta il colore di base
    void SetColor(byte r, byte g, byte b) { m_r=r; m_g=g; m_b=b; }
};

/**
 * Gestisce il testo di un dialogo 
 */
class RMTextDialog : public RMText {
  protected:
    int m_startTime;
    int m_time;
    bool m_bSkipStatus;
    RMPoint dst;
    uint32 hEndDisplay;
    bool m_bShowed;
	bool m_bForceTime;
    bool m_bForceNoTime;
	uint32 hCustomSkip;
    uint32 hCustomSkip2;
    RMInput *m_input;
	bool m_bAlwaysDisplay;
	bool m_bNoTab;

  public:
    RMTextDialog();
    virtual ~RMTextDialog();

    // Scrive un testo
    void WriteText(RMString text, int font, int *time=NULL);
    void WriteText(RMString text, RMFontColor* font, int *time=NULL);

    // Overloading della funzione ereditata da RMGfxTask per decidere
    // quando eliminare un oggetto dalla OTLIST
    virtual void RemoveThis(CORO_PARAM, bool &result);

    // Overloading della funzione di deregistrazione, utilizzata per capire
    // quando ci leviamo di torno
    virtual void Unregister(void);

    // Overloading del Draw per centrare la scritta, se necessario
    virtual void Draw(RMGfxTargetBuffer& bigBuf, RMGfxPrimitive* prim);

    // Setta la posizione
    void SetPosition(RMPoint pt) { dst=pt; }

    // Aspetta che venga finita la visualizzazione
    void WaitForEndDisplay(CORO_PARAM);
    void SetCustomSkipHandle(uint32 hCustomSkip);
    void SetCustomSkipHandle2(uint32 hCustomSkip);
    void SetSkipStatus(bool bEnabled);
	void SetForcedTime(uint32 dwTime);
	void SetNoTab(void);
	void ForceTime(void);
	void ForceNoTime(void);
	void SetAlwaysDisplay(void);
    
    // Setta il dispositivo di input, per permettere skip da mouse
    void SetInput(RMInput* input);

    void Show(void);
    void Hide(CORO_PARAM);
};

class RMTextDialogScrolling : public RMTextDialog {
protected:
    RMLocation *curLoc;
    RMPoint startScroll;

    virtual void ClipOnScreen(RMGfxPrimitive* prim);

public:
    RMTextDialogScrolling();
    RMTextDialogScrolling(RMLocation* loc);
	virtual ~RMTextDialogScrolling();

    virtual void Draw(RMGfxTargetBuffer& bigBuf, RMGfxPrimitive* prim);
};


/****************************************************************************\
*       class RMTextItemName
*       --------------------
* Description: Gestisce il nome dell'oggetto selezionato su schermo
\****************************************************************************/

class RMTextItemName : protected RMText {
protected:
    RMPoint m_mpos;
    RMPoint m_curscroll;
    RMItem *m_item;
    RMString m_itemName;

public:
    RMTextItemName();
	virtual ~RMTextItemName();
    
    void SetMouseCoord(RMPoint m) { m_mpos=m; }

    void DoFrame(CORO_PARAM, RMGfxTargetBuffer &bigBuf, RMLocation &loc, RMPointer &ptr, RMInventory &inv);
    virtual void Draw(RMGfxTargetBuffer& bigBuf, RMGfxPrimitive* prim);

    RMPoint GetHotspot();
    RMItem *GetSelectedItem();
    bool IsItemSelected();
    bool IsNormalItemSelected();

    virtual bool RemoveThis() { return true; }
};


/**
 * Gestisce la schermata di scelta delle voci di un dialogo
 */
class RMDialogChoice : public RMGfxWoodyBuffer {
private:
    int m_curSelection;
    int m_numChoices;
    RMText* m_drawedStrings;
    RMPoint *m_ptDrawStrings;
    int m_curAdded;
    bool m_bShow;
    RMGfxSourceBuffer8 DlgText;
    RMGfxSourceBuffer8 DlgTextLine;
    RMPoint m_ptDrawPos;
    uint32 hUnreg;
    bool bRemoveFromOT;

protected:
    void Prepare(void);
    void SetSelected(int pos);
  
public:
    bool RemoveThis(void);
    void Draw(RMGfxTargetBuffer& bigBuf, RMGfxPrimitive* prim);
    void Unregister(void);

public:
    // Inizializzazione
    RMDialogChoice();
    virtual ~RMDialogChoice();

    // Inizializzazione e chiusura
    void Init(void);
    void Close(void);
  
    // Setta il numero delle frasi possibili, che dovranno essere poi aggiunte 
    // con AddChoice()
    void SetNumChoices(int num);

    // Aggiunge una stringa con la scelta
    void AddChoice(RMString string);

    // Mostra e nasconde la scelta, con eventuali animazioni
    // NOTA: Se non viene passato parametro alla Show(), � obbligo del 
    // chiamante assicurarsi che la classe venga inserita alla OTlist
    void Show(CORO_PARAM, RMGfxTargetBuffer* bigBuf = NULL);
    void Hide(CORO_PARAM);

    // Polling di aggiornamento
    void DoFrame(RMPoint ptMousePos);

    // Ritorna la voce attualmente selezionata, o -1 se nessuna � selezionata
    int GetSelection(void);
};

} // End of namespace Tony

#endif